ADJUSTABLE ELECTROMAGNETIC RELEASE

An adjustable electromagnetic release. A magnetic yoke (102) is fixed on a bracket (109); a conductor (104) passes through the bracket and the yoke and is mounted on the bracket; a shaft (107) is mounted on the top of the bracket and is positioned above the conductor; a push rod (103) is mounted on the shaft and rotates with the shaft responsive to the bracket; an armature (101) is fixed on the push rod; the armature and the yoke are spaced apart; two adjusting mechanisms are mounted on the shaft and mounted on both sides of the push rod between the push rod and the bracket; a torsion spring (120) surrounds the shaft and is positioned in the adjusting mechanism; the adjusting mechanism contacts with the push rod; an adjusting rod (110) is provided with a plurality of adjusting surfaces (115) which contact with the adjusting mechanism and can move in the longitudinal direction. The spring force of the torsion spring enable the push rod rotates towards the direction of the armature and the yoke apart. When large current passes through the conductor, the armature and the yoke attract each other under the electromagnetic force; When the electromagnetic force is greater than the spring force, the push rod rotates towards the direction of the armature and the yoke attracted; the push rod strikes the release mechanism to release and cut off the circuit; the electromagnetic force disappears; and the push rod resets under the spring force of the torsion spring.

Circuit breaker actuating mechanism and its lever anti-slip structure

The invention is concerned with the antiskid structure of the lever of the circuit breaker operating mechanism, includes the side sheet subassembly, on the side sheet of the operating mechanism where the rotation feet of the lever is in touch with the side plate can turn to; and the antiskid structure also includes the lever subassembly, on the rotation feet of the lever, cooperates with the circuit breaker operating mechanism's side sheet and its subassembly limit the rotation foot of the lever sliding to the medal or the forth. The antiskid structure provides the inter-bound movement betweens the lever and the side sheet support, limits the rotation foot of the lever sliding to the medal or the forth, and reduces the contact surface and the frictional resistance by using the small convex stage, improves the product life cycle.

ADJUSTABLE ELECTROMAGNETIC RELEASE

An adjustable electromagnetic release. A magnetic yoke (102) is fixed on a bracket (109); a conductor (104) passes through the bracket and the yoke and is mounted on the bracket; a shaft (107) is mounted on the top of the bracket and is positioned above the conductor; a push rod (103) is mounted on the shaft and rotates with the shaft responsive to the bracket; an armature (101) is fixed on the push rod; the armature and the yoke are spaced apart; two adjusting mechanisms are mounted on the shaft and mounted on both sides of the push rod between the push rod and the bracket; a torsion spring (120) surrounds the shaft and is positioned in the adjusting mechanism; the adjusting mechanism contacts with the push rod; an adjusting rod (110) is provided with a plurality of adjusting surfaces (115) which contact with the adjusting mechanism and can move in the longitudinal direction. The spring force of the torsion spring enable the push rod rotates towards the direction of the armature and the ...

Method for preparing watermelon peel sauce

The invention relates to a watermelon peel sauce, which is characterized in that the raw materials are matched according to the following proportion (unit: gram): 500 grams of watermelon peel, 50 grams of peanut, 50 grams of walnut, 50 grams of sesame, 100 grams of minced garlic, 50 grams of edible salt, 10 grams of paprika powder, 100 grams of soy sauce and 80 grams of white spirit. The production not only features good taste and crispy and excellent mouthfeel but also has the functions of smoothing Qi and enriching the blood, relieving cough and reducing sputum, moistening lung and tonifying kidney, nourishing skin, cooling heat down and diminishing inflammation, lowering blood pressure and resisting scorbutic; in addition, the product can promote metabolism of human body, soften and expand blood vessel, thus reducing deposit of cholesterol on the artery wall.

CHANGEABLE OPERATION MECHANISM

An exchange operating mechanism comprises a contactor carrier (102), a connecting rod (105), a connecting shaft (106), a cantilever (114), and an exchange mechanism. A moveable contactor (121) is fixed in the contactor carrier (102). The contactor carrier (102) is rotated around a shaft (122) to make the moveable contactor (121) be separated from or contacted to a fixed contactor (104). The bottom end of the connecting rod (105) is connected to the contactor carrier (102). The top end of the connecting rod (105) is connected to the cantilever (114) via the connecting shaft (106). The exchange mechanism is connected to the cantilever (114) via a main shaft (103). The action of the exchange mechanism drives the cantilever (114) by the main shaft (103) and drives the contactor carrier (102) by the connecting shaft (106) and the connecting rod (105) to make the moveable contactor (121) be separated from or contacted to the fixed contactor (104), thereby opening or closing a switch. The exchange ...

Mounting structure and mounting method of coaxial attenuator

The invention relates to the technical field of attenuator installation, in particular to an installation structure and an installation method of a coaxial attenuator. The mounting structure of the coaxial attenuator comprises a mounting plate and a supporting unit, the number of the supporting units is two pairs, the two pairs of supporting units are symmetrically installed on the installing plate, each supporting unit comprises an adjusting block and supports, the adjusting blocks are slidably connected with the installing plate in the Y direction, each pair of supporting units comprises two supports, the two supports are symmetrically installed on the adjusting blocks, and the adjusting blocks are slidably connected with the installing plate in the Y direction. The support is slidably connected with the adjusting block in the X direction, and a V-shaped groove used for clamping an attenuator is formed in the inner side of the support. The mounting structure can meet the mounting requirements ...

Two-level latch mechanism for operation mechanism of circuit breaker

A two-level latch mechanism for an operation mechanism of a circuit breaker is provided. The operation mechanism includes: a tripping component, a left side plate, a right side plate, a latch, a half shaft, a lever, and a main shaft. The tripping component, the latch and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The tripping component, the latch, the half shaft, the lever, and the main shaft move in linkage. The tripping component includes a tripping buckle and a latch surface is disposed on a second end of the tripping buckle. The tripping component, the latch component and the half shaft component form a two-level latch.

Two-stage brush type sealing structure capable of actively controlling inter-stage pressure drop distribution

The invention discloses a two-stage brush type sealing structure capable of actively controlling interstage pressure drop distribution, which comprises a first-stage brush type sealing element, a second-stage brush type sealing element and an axial pressure equalizing hole opening degree adjusting structure, and is characterized in that the first-stage brush type sealing element and the second-stage brush type sealing element are arranged along the axial direction of a rotor and respectively comprise a front baffle plate, a brush wire bundle and a rear baffle plate; axial pressure equalizing holes are evenly formed in a rear baffle of the second-stage brush type sealing piece in the circumferential direction of the rear baffle, and the axial pressure equalizing hole opening degree adjusting structure is installed at the rear end of the rear baffle of the second-stage brush type sealing piece and used for adjusting the opening degree of the axial pressure equalizing holes. The two-stage ...

Jump and detain subassembly with stop device

The utility model discloses a jump and detain subassembly with stop device jumps the knot unit mount and in the operating device of circuit breaker, jumps the knot subassembly and include: jump and detain, go up connecting rod and lower connecting rod. Going up the connecting rod riveting and buckling in the jump, lower connecting rod is riveted on last connecting rod, jumps to buckle to have spacing hole, and spacing pin is riveted in spacing hole, and the moving range of connecting rod is gone up in the restriction of spacing pin to the operating device's of subassembly linkage stroke is detained in restriction and jump. The utility model discloses a jump the knot subassembly and limit the stroke of operating device at combined floodgate process and trip-free in-process with the spacing pin of riveting in spacing pinhole to simple structure realizes effectively spacingly.

Remote controller capable of supporting microphone function

The invention relates to the technical field of remote controllers, in particular to a remote controller capable of supporting a microphone function. A remote controller capable of supporting a microphone function comprises a chipset with a Bluetooth function, a control signal board connected with the chipset and a power supply module for supplying power to the chipset, and is characterized in that a signal control key and an infrared module are arranged on the control signal board, the infrared module is connected with the chipset, and the power supply module is connected with the chipset. And a control signal generated by the signal control key is transmitted from the infrared module after being converted by the chipset. According to the product, the microphone is combined with the remote controller, so that the market blank of the existing product is filled, the use of a user is greatly facilitated, the expenditure is saved for the terminal user, the resource utilization rate is better ...

Gynaecology uses cleaning device

The utility model discloses a gynaecology uses cleaning device, including the storage water tank, set up raceway that is linked together at the well cartridge bag at storage water tank middle part, the heating device who sets up in the storage water tank bottom, pressure device, setting and the cleaning device who sets up at the raceway tip at the inside thermometer of storage water tank, with the storage water tank, the storage water tank is the double -deck insulation material of cavity, the storage water tank includes the box, with the end cover of box phase -match setting, set up scale on the box, can dismantle the setting at the well cartridge bag support at box middle part, set up at the thermometer socket on well cartridge bag support top and set up the switch in box one side. The utility model discloses a cartridge bag support in setting up can be placed with pruritus vulvae, secretion peculiar smell, secretion increase three kinds of different diseases autocratic traditional chinese ...

Method for measuring phase equilibrium condition of gas hydrate in porous medium

Pawpaw lotus root starch and manufacturing method thereof

The invention provides pawpaw lotus root starch and a manufacturing method thereof. The method comprises the following steps: firstly, pretreating, secondarily fiberizing, depositing and drying and baking lotus root to obtain lotus root powder; secondly, cleaning, slicing, drying, baking, crushing and baking the pawpaw to obtain pawpaw powder; and finally, mixing the lotus root powder and the pawpaw powder in proportion to obtain the pawpaw lotus root starch. The pawpaw lotus root starch and the manufacturing method thereof have the advantages that: the products manufactured by the method have rich nutrition and good taste, have the functions of invigorating spleen and promoting digestion, relieving constipation and arresting diarrhea, whitening and nourishing skins, clearing heat and cooling blood and the like, can prolong life and improve immunity capability of human bodies if the powder is taken regularly.

Hydrogen storage device valve protection cover and installation method

The invention discloses a hydrogen storage device valve protection cover and an installation method, and belongs to pressure container protection equipment. Comprising an upper cap and a lower holding ring. The upper cover cap comprises a cylindrical structure body part with an open lower end face and a closed upper end face, and a plurality of semi-closed holes formed in the lower part of the body part; the lower holding ring comprises a hoop installed below the hydrogen storage container valve and a plurality of limiting plates which are arranged on the inner surface of the hoop, exposed out of the upper surface of the hoop and aligned with the holes. According to the hydrogen storage device gate valve, part protection is independently conducted on the hydrogen storage device gate valve, high pertinence is achieved, the containing cavity is formed through the upper cover cap and the lower embracing ring, effective protection can be formed on the valve body and the joint of the hydrogen ...

Traditional Chinese medicine composition for shortening mare luteal phase

The invention provides a traditional Chinese medicine composition for shortening mare luteal phase, and the traditional Chinese medicine composition comprises the following raw materials: toosendan fruit, bupleurum, semen litchi, fennel, frankincense, notopterygium and radix angelicae pubescentis. The traditional Chinese medicine composition uses the therapeutic principle of warming spleen and stomach for dispelling cold and benefiting qi for lifting yang, and is reasonable in prescription, simple in preparation process and wide in scope of application. The traditional Chinese medicine composition is prepared from pure Chinese herbal medicines, and is wide in source, low in cost, high in cure rate, free of medicine residue, and free of toxic and side effects. In particularly, after super fine crushing, maximum destruction of plant cell walls can be realized by the traditional Chinese medicine composition, and the traditional Chinese medicine composition solves the deficiency that traditional ...

Pharmaceutical composition for treating equine verminosis

The invention provides a pharmaceutical composition for treating equine verminosis, which comprises the following active pharmaceutical ingredients: toosendan fruit, radix bupleuri, lychee seed, fennel, frankincense, notopterygium root and heracleum hemsleyanum michaux. By using the treatment principles of warming the middle-jiao, dispelling cold, invigorating qi and invigorating vital function, the composition has the advantages of reasonable formula, simple preparation technique and wide application range. The composition is prepared from pure Chinese medicinal herbs, and thus, has the advantages of wide sources, low cost, high cure rate, no drug residue and no toxic or side effect; and especially, superfine grinding maximally destroys the plant cell walls, so the composition overcomes the defects of high coarse fiber content and difficulty in leaching effective components in the traditional medicinal powder, and can be absorbed by horses more easily. The composition has obvious actions ...

Exchange operating mechanism

A changeable mechanism includes a contact support, a connecting rod, a connecting shaft, a cantilever, and a changeable component. The contact support has a moving contact therein, and rotates about a shaft. The connecting rod bottom end is connected to the contact support, the connecting rod top end is connected to a cantilever through a connecting shaft. The changeable component is connected to and drives the cantilever through a main shaft, and drives the contact support to rotate through the connecting shaft and connecting rod. Rotation of the contact support makes the moving contact and static contact separate or in contact to realize opening or closing a circuit breaker. The changeable mechanism may switch between a manual operation mechanism and an electrical operation mechanism of a MCB. The changeable component does not dispose the electrical operation mechanism outside the MCB, so that height and volume of the MCB is reduced.

Operating device's of circuit breaker locking device

The utility model discloses an operating device's of circuit breaker locking device, this locking device comprises the bearing of jumping knot, sheet metal component and install on the sheet metal component. The jump is buckled has the hasp face, and the arc surface is drawn together to this hasp bread. The sheet metal component can rotate, and the bearing is installed on the sheet metal component, bearing and the contact of hasp face. The utility model discloses an arc surface is drawn together to operating device's of circuit breaker locking device's hasp bread, and this arc surface makes the arm of force of spring force to remain unchanged to reduce the risk that the auto-lock appears.

Connection and separation method of hydrogen storage bottle and hydrogenation device and hydrogen charging method

The invention discloses a connection and disconnection method of a hydrogen storage bottle and a hydrogenation device and a hydrogen filling method, and relates to the field of hydrogen production and hydrogenation. The hydrogen charging method comprises the following steps: pushing a hydrogen storage cylinder to be charged with hydrogen into the gas cylinder bin until the quick-mounting male joint is mounted on the quick-mounting female joint, and locking after the quick-mounting male joint is in place, so that a gas path is communicated, and the butt joint of the hydrogen storage cylinder and the hydrogenation device is completed; turning on a switch of a hydrogen production module, starting an electrolytic cell to start hydrogen production, and charging a hydrogen storage bottle with hydrogen; after it is detected that hydrogen filling of the hydrogen storage bottle is completed, the hydrogen production module is closed; the button is pressed down, the opening and closing sliding sleeve ...

Hydrogen power system and vehicle thereof

The invention discloses a hydrogen power system and a vehicle thereof, and belongs to the field of hydrogen energy application. Comprising a box body arranged on a vehicle, an air inlet formed in the windward side of the box body and a flow guide cover arranged in front of the air inlet. The air inlet is formed in the leeside of the box body, the air outlet is formed in the leeside of the box body, and the fuel cell is placed on an air channel formed by the air inlet and the air outlet in the box body. The air guide cover is arranged at the air inlet, the air guide cover can play a role in drainage and water prevention, cold air can still enter the box body through the opening in the lower portion of the air guide part, a complete air channel is formed, and heat dissipation cannot be affected.

Hydrogen path butt joint device

The invention discloses a hydrogen path docking device, and belongs to the field of hydrogen energy application. Comprising a connecting block, a pressure reducing valve, a mounting plate, an elastic piece, a quick-assembly female connector and a shifting button. According to the hydrogen storage device, the pressure reducing valve is fixedly mounted on the connecting block, so that the pressure reducing valve and the quick-assembly female joint horizontally move along with the connecting block in the central axis direction of the hydrogen storage device, the quick-assembly female joint and the quick-assembly male joint are disassembled and assembled, and due to the fact that the hydrogen storage device is fixed in position and the weight of the pressure reducing valve of the connecting block is relatively small, the quick-assembly female joint and the quick-assembly male joint can be disassembled and assembled conveniently. The whole butt joint device is high in structural stability, and ...

Circuit breaker rotating dual-breakpoint contact system and spring protection structure

The invention discloses a spring protection structure for the revolving double-gap contacts system of the breaker and comprises a rotor which is provided with a moving contact of the revolving double-gap contacts system of the breaker and an axis of the moving contact, the rotor comprises an isolation board which is positioned between the moving contact and a contact spring, and the rotor also comprises a group of location parts; a protective case provided with a group of location position matching with the location parts on the rotor and limiting an enclosed space and enclosing the contact spring in the enclosed space limited by the protective case and the rotor. The invention discloses a revolving double-gap contacts system of the breaker. Through the matching of the rotor and the protective case, the invention separates the moving contact from the lateral contact spring on the two sides, and metal particles produced by the arc or the arc erosion contact cannot fly to and burn the contact ...

Adjustable electromagnetic release

An apparatus having a conductor passing through a magnetic yoke and is mounted on the bracket, in which the magnetic yoke is fixed on the bracket as well. Above the conductor, a shaft is mounted on the top of the bracket. A push rod is mounted on the shaft and rotates with the shaft about the bracket. An armature, spaced apart from the magnetic yoke, is fixed on the push rod. Adjusting mechanisms are mounted on both sides of the shaft between the push rod and the bracket. Within the adjusting mechanism, a torsion spring is around the shaft. An adjusting rod is provided with a plurality of adjusting surfaces which makes contact with the adjusting mechanism. A spring force of the torsion spring enables the push rod to rotate towards a direction which makes the armature and the magnetic yoke separate.

Artificial insemination method for frozen semen of equine animals

The invention discloses an artificial insemination method for frozen semen of equine animals. The artificial insemination method includes steps of estrus control, ovulation control, semen acquisition, semen detection, semen processing, semen freezing and artificial insemination. According to the technical scheme, the artificial insemination method in an embodiment of the invention has the advantages that when the artificial insemination method is implemented, imported excellent stallions are selected to be used as male parents, imported excellent maria are selected to be used as female parents, domestic maria are selected to be used as surrogacy maria, the imported maria are pregnant with offspring of the imported stallions by the aid of the artificial insemination method according to physiological characteristics and ovulation laws of the maria, and then the domestic maria carry out surrogacy via embryo transfer; 6-12 effective embryos can be produced by each donor mare in each year by ...

Traffic scene restoration method and system based on multi-source mobile video fusion

The invention discloses a traffic scene restoration method and system based on multi-source mobile video fusion, and relates to the technical field of vehicle tracking and intelligent traffic, and the method comprises the steps: collecting traffic videos outside vehicles through vehicle-mounted cameras installed on all vehicles, thereby obtaining multi-source mobile videos; the vehicle-mounted processing unit extracts a first feature of a vehicle in the traffic video, and uploads the first feature of the vehicle and the corresponding traffic video to the cloud platform; the cloud platform extracts a second feature of the vehicle according to the traffic video and the first feature of the vehicle in the traffic video, judges whether the vehicle has an accident, and performs semantic annotation on the traffic video according to a judgment result of the vehicle; accident features are input, and traffic videos marked with the accident features are retrieved in the cloud platform according to ...

Uropoiesis is urethral catheterization device for surgery

The utility model discloses an uropoiesis is urethral catheterization device for surgery, including the catheter tube core inside with arranging the catheter in, the one end that the tube core stretches out the catheter is equipped with the handle, is equipped with the elastic ring on the one end inner wall of catheter, is equipped with the flushing pipe in the tube core, and the flushing pipe links to each other with the elastic ring, even has the urine contact tube on the catheter, and the end -to -end connection of urine contact tube has an album urine bag, still is equipped with gasbag and ventilative device on the urine contact tube. The setting of elastic ring can prevent catheter landing from the urethra, is equipped with the flushing pipe, can accomplish the urethra and wash, avoids relapseing the intubate again, has reduced the misery for patient, and in addition, the compression through the gasbag produces atmospheric pressure and takes urine out, and during the gasbag compression ...

ADJUSTABLE ELECTROMAGNETIC RELEASE

The present invention discloses an adjustable electromagnetic release. A magnetic yoke is fixed on a bracket. A conductor passes through the bracket and the magnetic yoke and is mounted on the bracket. A shaft is mounted on the top of the bracket and is above the conductor. A push rod is mounted on the shaft and rotates with the shaft about the bracket. An armature is fixed on the push rod, the armature and the magnetic yoke are spaced apart. Adjusting mechanisms are mounted on the shaft. The adjusting mechanisms are mounted between the push rod and the bracket and on both sides of the push rod. A torsion spring is surrounded on the shaft and is within the adjusting mechanism. The adjusting mechanism contacts with the push rod. An adjusting rod is provided with a plurality of adjusting surfaces which contact with the adjusting mechanism. The adjusting rod is able to move along the longitudinal direction. The spring force of the torsion spring enables the push rod rotates towards a direction which makes the armature and the magnetic yoke separate. When large current passes through the conductor, the armature and the magnetic yoke attract each other under the electromagnetic force. When the electromagnetic force is larger than the spring force, the push rod rotates towards a direction which makes the armature and the magnetic yoke close. The push rod strikes the release mechanism to release and cut off the circuit. The electromagnetic force disappears, the push rod resets under the spring force of the torsion spring.

Mutual-inductor unit

The utility model discloses a mutual-inductor unit for circuit breaker, this mutual-inductor unit include quiet iron core subassembly and move the iron core subassembly, move the iron core subassembly and can rotate for quiet iron core subassembly, and quiet iron core subassembly forms first magnetic circuit, move the common second magnetic circuit that is used for suppressing the energy that forms of iron core subassembly and quiet iron core subassembly, and second magnetic circuit and first magnetic circuit be not on the coplanar, move the iron core subassembly and rotate the operating device who triggers the circuit breaker. Adopt two air gap couplings between this mutual-inductor unit's the iron core subassembly to avoid because alternate electric current disturbs the uneven phenomenon of the suction that leads to. This mutual-inductor has the second magnetic circuit and realizes that the energy restraines, and the second magnetic circuit is located different planes with first magnetic ...

Interlocking device for circuit breaker

An interlocking device for a circuit breaker comprises a control assembly and an interlocking assembly which are connected with each other in a driving manner. The control assembly can be connected with a connecting rod assembly and a cam assembly of an energy storage operation mechanism of the circuit breaker in a latching manner, thereby controlling the energy storage operation mechanism to finish a switching-on/switching-off operation. A switching-off latch of the control assembly is connected with the connecting rod assembly, and a switching-on latch of the control assembly is connected with the cam assembly. A switching-on guide rod of the interlocking assembly is connected with the control assembly in a driving manner, such that the switching-on latch actuates, and a switching-off guide rod of the interlocking assembly is connected with the control assembly in a driving manner, such that the switching-off latch actuates. One end of a switching-on half-shaft is connected with the switching-on ...

Circuit breaker exchanges formula operating device

The utility model provides a circuit breaker exchanges formula operating device, the coupled linking of contact system of exchange formula operating device and circuit breaker, it is manual operating device or energy storage operating device to exchange formula operating device, contact ystem installation in one side of circuit breaker, the opposite side of circuit breaker still includes the dropout system. Exchange formula operating device is equipped with the coupling connecting rod that can drive the moving contact action including the pivot subassembly that is used for driving the divide -shut brake in the contact system to the pivot subassembly can with correspond the coupling connecting rod direct drive that sets up and be connected, exchange formula operating device still including being used for the control assembly that threads off and operate, control assembly can with correspond the dropout system drive that sets up and be connected, the accessible control assembly of dropout ...

Traditional Chinese medicine composition for promoting head delivery of mares at late pregnancy

The invention provides a traditional Chinese medicine composition for promoting head delivery of mares at late pregnancy, which comprises the following active pharmaceutical ingredients: motherwort, dichroa root, betel nut, Cacumen Biotae, honeycomb, eucommia and Radix Ophiopogonis. By using the treatment principles of activating blood circulation to dissipate blood stasis, nourishing yin and supplementing blood, the composition has the advantages of reasonable formula, simple preparation technique and wide application range. The composition is prepared from pure Chinese medicinal herbs, and thus, has the advantages of wide sources, low cost, high cure rate, no drug residue and no toxic or side effect; and especially, superfine grinding maximally destroys the plant cell walls, so the composition overcomes the defects of high coarse fiber content and difficulty in leaching effective components in the traditional medicinal powder, and can be absorbed by horses more easily. The composition ...

Test fixture and method for power probe detection assembly

The invention belongs to the technical field of microwave and millimeter wave testing, and particularly relates to a testing clamp and method for a power probe detection assembly. The invention discloses a test fixture for a power probe detection assembly. The test fixture comprises a base, a detection assembly fixing device and a flexible metal wire pressing device, the detection assembly fixing device is fixed on the outer side of the base; the flexible metal wire pressing device is fixed on the inner side of the base; the flexible metal wire pressing device comprises a guide seat and a pressing block. And the pressing block can move in the vertical direction and is matched with the guide seat to press and fix the flexible metal wire. According to the test fixture and method for the power probe detection assembly, interconnection between the power probe detection assembly and the power probe printed board is achieved in a pressing connection mode, operation is easy and convenient, and ...

Low-temperature equus animal oocyte preserving liquid

The invention discloses a low-temperature equus animal oocyte preserving liquid which comprises a sodium lactate mixture liquid, penicillin, streptomycin as well as one, two or three of bovine serum albumin, neonatal bovine serum and inactivated equine serum; a preparation method of the preserving liquid comprises the following steps: putting the sodium lactate mixture liquid into an incubator of 37 DEG C for 0.5-6 hours for later use, adding penicillin, streptomycin as well as one, two or three of bovine serum albumin, neonatal bovine serum and inactivated equine serum into the sodium lactate mixture liquid according to the content of the components, so as to obtain the preserving liquid. The preserving liquid is applicable to low-temperature preservation of oocyte of horses, cattle and donkeys. The preserving liquid has the beneficial effects that the materials are easily available, the effects of low price, simplicity in preparation, convenience in use and the like are achieved, and ...

Traditional Chinese medicine composition for treatment of mare persistant corpus luteum

The invention provides a traditional Chinese medicine composition for treatment of mare persistant corpus luteum, and the traditional Chinese medicine composition comprises the following raw materials: toosendan fruit, bupleurum, semen litchi, fennel, frankincense, notopterygium and radix angelicae pubescentis. The traditional Chinese medicine composition uses the therapeutic principle of warming spleen and stomach for dispelling cold and benefiting qi for lifting yang, and is reasonable in prescription, simple in preparation process and wide in scope of application. The traditional Chinese medicine composition is prepared from pure Chinese herbal medicines, and is wide in source, low in cost, high in cure rate, free of medicine residue, and free of toxic and side effects. In particularly, after super fine crushing, maximum destruction of plant cell walls can be realized by the traditional Chinese medicine composition, and the traditional Chinese medicine composition solves the deficiency ...

Medicine composition for treating teetering of rear legs of equus animals

The invention provides a medicine composition for treating teetering of rear legs of equus animals. The medicine composition comprises the following raw medicines: incised notopterygium rhizome and root, doubleteeth pubescent angelica root, pangolin scales, cortex eucommiae, musk, antler and angelica sinensis. The medicine composition has the beneficial effects that the medicine composition takes promoting blood circulation to remove blood stasis and dredging the channels as the treatment principles, has reasonable components, has simple preparation processes and has a wide range of application; the medicine composition is prepared from pure Chinese herbal medicines, has a wide source, is low in cost, has a high cure rate and does not have medicine residues or toxic or side effect; in particular, plant cell walls are furthest destroyed after superfine grinding, thus overcoming the defects that traditional medicine powder has high content of crude fibers and active ingredients are hard to ...

Circuit breaker actuating mechanism and its lever anti-slip structure

The invention is concerned with the antiskid structure of the lever of the circuit breaker operating mechanism, includes the side sheet subassembly, on the side sheet of the operating mechanism where the rotation feet of the lever is in touch with the side plate can turn to; and the antiskid structure also includes the lever subassembly, on the rotation feet of the lever, cooperates with the circuit breaker operating mechanism's side sheet and its subassembly limit the rotation foot of the lever sliding to the medal or the forth. The antiskid structure provides the inter-bound movement betweens the lever and the side sheet support, limits the rotation foot of the lever sliding to the medal or the forth, and reduces the contact surface and the frictional resistance by using the small convex stage, improves the product life cycle.

Rotation double-breakpoint contact system of circuit breaker and its rotor

The present invention discloses a rotor for circuit-breaker rotary double-breakpoint contact system. It is characterized by that the shaft of moving contact of said double-breakpoint contact system is contacted with side edge of said rotor, when the contact system makes gate-opening and gate-closing operation, the shaft of moving contact is slided along the side edge of the described rotor. The contour of said rotor said edge includes first curved surface and second curved surface, said second curved surface has the curvature different from that of first curved surface, between first curved surface and second curved surface a transition surface is formed, in which when the contact system makes gate-opening and gate-closing operation, the gap between the shaft of moving contact and first curved surface is greater than the gap between the shaft of moving contact and second curved surface. Said invention also provides a circuit-breaker rotary double-breakpoint contact system utilizing above-mentioned ...

Medicine composition for controlling estrus synchronization of maria

The invention provides a medicine composition for controlling estrus synchronization of maria. The medicine composition comprises the following raw medicines: Chinese angelica, motherwort herb, prepared rhizome of rehmannia, dried tangerine peel, white peony root, Chinese yam and dwarf lilyturf tuber. The medicine composition has the beneficial effects that the medicine composition takes warming the spleen and stomach for dispelling cold and benefiting qi and raising Yang as the treatment principles, has reasonable components, has simple preparation processes and has a wide range of application; the medicine composition is prepared from pure Chinese herbal medicines, has a wide source, is low in cost, has a high cure rate and does not have medicine residues or toxic or side effect; in particular, plant cell walls are furthest destroyed after superfine grinding, thus overcoming the defects that traditional medicine powder has high content of crude fibers and active ingredients are hard to ...

Big inclination mobile belt conveyor

The utility model relates to a conveyor technical field, concretely relates to big inclination mobile belt conveyor, which comprises a frame, the conveyer belt is equipped with in the frame, the frame has the walking wheel, the inclination of conveyer belt slope section is 25 - 90, the conveyer belt both sides are equipped with the flange, interval a plurality of baffles of having arranged on the conveyer belt, this conveyer is applicable to big inclination and carries, be suitable for angle 25 - 90, complete machine drive control walking part has been developed to equipment, and improves the production efficiency, the adaptability of equipment at the scene has been increased, equipment adopts the protection casing totally enclosed outward, the material of carrying does not have the leakage, operational environment has been protected.

Interchange type operating mechanism

The invention provides an interchange type operating mechanism. The interchange type operating mechanism comprises a contact supporting piece, a connecting rod, a connecting shaft, a cantilever and an interchange mechanism. A moving contact is installed in the contact supporting piece, the contact supporting piece rotates around a shaft, and then the moving contact is separated from or makes contact with a static contact. The bottom end of the connecting rod is connected with the contact supporting piece, and the top end of the connecting rod is connected to the cantilever through the connecting shaft. The interchange mechanism is connected with the cantilever through a main shaft, the interchange mechanism moves to drive the cantilever to move through the main shaft and drive the contact supporting piece to rotate through the connecting shaft and the connecting rod, the moving contact is separated from or makes contact with the static contact, switching-off or switching-on is achieved, ...

Position limit structure for motive contact module of breaker operation machine

The invention discloses a limiting structure of moving contact module of breaker actuating mechanism. The breaker actuating mechanism has a fixed part at the lower end of a first side plate and a second side plate. The fixed part is limited to a first lower end of the first side plate and a second lower end of the second side plate. The first lower end and the second lower end limit the position of the actuating mechanism when the breaker actuating mechanism carries out operations of opening and releasing. The technical proposal of the invention does not increase spare parts and lowers the consumption of connecting mechanism itself. With a novel structure, the invention realizes position limiting of the actuating mechanism and enhances the reliability of position limiting.

Frozen semen diluent of equus animals and preparation method thereof

The invention discloses a frozen semen diluent of equus animals and a preparation method thereof. The diluent at least comprises a basic solution prepared from the following raw materials: D-lactose monohydrate, prostaglandin, EDTA (Ethylene Diamine Tetraacetic Acid), a bee pollen aqueous solution, hyaluronic acid and squalane. The diluent also comprises egg yolk liquid, glycerin, penicillin and streptomycin. The preparation method comprises the following steps: (1) preparing the bee pollen aqueous solution; (2) preparing the basic solution; (3) adding the egg yolk liquid, the glycerin, the penicillin and/or the streptomycin. By adopting the technical scheme, the preparation method disclosed by the invention has the benefits that the bee pollen aqueous solution, the hyaluronic acid, the squalane and the like are creatively combined for preparation of the frozen semen diluent of the equus animals to ensure that the forming of large ice crystals in semen freezing process is prevented to the ...

Radio frequency spring assembly's rivet hot anchor clamps

The utility model discloses a radio frequency spring assembly's rivet hot anchor clamps belongs to the manufacturing field of RF switch, the positive pressure or negative pressure device comprises a cavity, a cover plate, a screw, reset spring, pin and studdle, the apron sets up the top at the cavity, the apron is pinned spacingly through the cotter hole on it, through the screw hole on it by thefix with screw, reset spring sets up on the screw, studdle is disposed under the cavity, close the connection soon through the screw thread, and enclose into a vestibule, the cushion has set graduallydown in the vestibule from bottom to top, supporting spring, go up the cushion, go up the cushion, the cushion links together through supporting spring down. The utility model discloses on can preventing radio frequency spring assembly's the post that generates heat of push rod adhesion on hot riveting machine, can absorb the impact of the post that falls to generate heat, radio frequency inex has been ...

Fusion welding isolation mechanism for operation mechanism of circuit breaker

A fusion welding isolation mechanism for an operating mechanism of a circuit breaker is provided. The operating mechanism of circuit breaker includes: a tripping component, a left side, a right side plate, a latch, a half shaft, a lever, and a main shaft. The tripping component, the latch, and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The tripping component, the latch, the half shaft, the lever, and the main shaft move in linkage. The lever and the main shaft are provided with isolation devices for preventing an operation handle from an opening operation when a moving contact is subject to fusion welding.

Circuit breaker rotating dual-breakpoint contact system and spring protection structure

The invention discloses a spring protection structure for the revolving double-gap contacts system of the breaker and comprises a rotor which is provided with a moving contact of the revolving double-gap contacts system of the breaker and an axis of the moving contact, the rotor comprises an isolation board which is positioned between the moving contact and a contact spring, and the rotor also comprises a group of location parts; a protective case provided with a group of location position matching with the location parts on the rotor and limiting an enclosed space and enclosing the contact spring in the enclosed space limited by the protective case and the rotor. The invention discloses a revolving double-gap contacts system of the breaker. Through the matching of the rotor and the protective case, the invention separates the moving contact from the lateral contact spring on the two sides, and metal particles produced by the arc or the arc erosion contact cannot fly to and burn the contact ...

Energy storage device and energy storage system

The invention provides an energy storage device and an energy storage system, the energy storage device comprises at least one battery cluster and at least one cluster fuse, the battery cluster comprises a plurality of battery packs connected in series, each battery pack comprises a battery and a circuit breaker, and the circuit breaker is connected with the positive electrode of the battery and the positive electrode of the battery pack or connected with the negative electrode of the battery and the negative electrode of the battery pack. And in response to the condition that the charging current or the discharging current of any battery in the battery cluster is higher than the set current threshold value, at least one circuit breaker in the battery cluster is switched off. By utilizing the energy storage device provided by the invention, the maintenance isolation and fault protection of each battery can be realized on the premise of not increasing the system cost.

Circuit breaker tripping mechanism

A tripping mechanism for a circuit breaker comprises a connecting rod assembly and a control assembly, wherein one end of the connecting rod assembly is connected with a rotating shaft assembly for driving the circuit breaker to be switched off in a driving manner, and the other end of the connecting rod assembly is provided with a jump pin which can be connected with the control assembly in a latching manner, and the jump pin is also provided with a U-shaped groove. The control assembly comprises a switching-off latch which is rotatably mounted. The end part of the switching-off latch can be connected with the U-shaped groove in a latching and limiting manner, and the circuit breaker triggers the end part of the switching-off latch to be tripped from the U-shaped groove when being switched off, and therefore the rotating shaft assembly connected with the connecting rod assembly drives the circuit breaker to be switched off. The tripping mechanism for the circuit breaker, which is provided ...

Medicine composition for inducing mare to excessively ovulate and application method thereof

The invention discloses a medicine composition for inducing a mare to excessively ovulate and an application method thereof. The medicine composition comprises a traditional Chinese medicine composed of following medicinal raw materials: herba epimedii, leonurus sibiricus, fructus cnidii, semen cuscutae, fructus ligustri lucidi, carthamus tinctorius and cyperus rotundus. The medicine composition further comprises follicle-stimulating hormones and/or human chorionic gonadotropin. The medicine composition has the beneficial effects that the traditional Chinese medicine can be used for improving the ovulation number of the mare to 2.6 ova on average from 1.12 ova on average to realize the excessive ovulation of the mare; the medicine composition can also be used together with an exogenous hormone; a method based on both traditional Chinese medicines and Western medicines is adopted so that the defects that the excessive ovulation is difficult to realize because the ovulation site of a mare ...

Breaker handle subassembly

The utility model provides a breaker handle subassembly, includes the handle, it is the handle operating portion that can be used to apply external force that the one end of handle is the handle driving portion other end that is connected with the circuit breaker, and it can be for rotate handle's extra long handle to install on the handle operating portion. The utility model provides an use simple and convenient, save space, expand stable breaker handle subassembly.

Method for measuring phase equilibrium condition of gas hydrate in porous medium

The invention provides a method for measuring gas hydrate phase equilibrium condition in porous medium. The method comprises the following steps: setting a tubular reactor filled with water-containing porous medium, and setting the temperature inside the reactor as to-be-measured experimental temperature; introducing experimental gas in the reactor to ensure that system pressure inside the reactor reaches a first experimental pressure; during maintaining constant system pressure inside the reactor, continuously introducing experimental gas in the reactor from a gas inlet at one end of the tubular reactor and ensuring that the experimental gas flows out from a gas outlet at the other end of the reactor after flowing through the water-containing porous medium; judging whether the experimental process generates hydrate; and then, changing the system pressure to repeat flowing experiment till determining the minimum pressure under which hydrate can be generated at the set experimental temperature ...

Pharmaceutical composition for treating equine hernia pain

The invention provides a pharmaceutical composition for treating equine hernia pain, which comprises the following active pharmaceutical ingredients: toosendan fruit, radix bupleuri, lychee seed, fennel, frankincense, notopterygium root and heracleum hemsleyanum michaux. By using the treatment principles of warming the middle-jiao, dispelling cold, invigorating qi and invigorating vital function, the composition has the advantages of reasonable formula, simple preparation technique and wide application range. The composition is prepared from pure Chinese medicinal herbs, and thus, has the advantages of wide sources, low cost, high cure rate, no drug residue and no toxic or side effect; and especially, superfine grinding maximally destroys the plant cell walls, so the composition overcomes the defects of high coarse fiber content and difficulty in leaching effective components in the traditional medicinal powder, and can be absorbed by horses more easily. The composition has obvious actions ...

Artificial insemination method for fresh semen of equus animals

The invention discloses an artificial insemination method for fresh semen of equus animals. The artificial insemination method includes the steps of oestrus regulation, ovulation regulation, semen collection, semen detection, semen processing and artificial insemination. According to the technical scheme, the artificial insemination method has the advantages that an imported fine stallion is selected to serve as a male parent, an imported fine mare is selected to serve as a female parent, and a domestic mare is selected to serve as a surrogacy mare; according to physiological characteristics of the mare and ovulation regularity, the imported mare is enabled to breed descendants thereof and the imported stallion by adopting the artificial insemination method, and embryos are transplanted to the domestic mare for surrogacy. By the artificial insemination method, each donor mare is enabled to have an annual reproduction of 6-12 effective embryos, and the success rate of fresh embryo artificial ...

Electric magnet backup protection apparatus

The embodiment of the invention discloses a backup protection device of an electromagnet . A first yoke iron is fixed on the upper part of a first bracket; a second bracket and an armature are rotatably fixed on the middle part of the first bracket; the second bracket is fixed to the first bracket through a first rotating shaft; the armature is fixed to the second bracket; a spring connects the first bracket and the second bracket; and the spring force of the spring enables the armature and the yoke iron to be separated from each other. When short circuit fault occurs, a current travels through the backup protection device of the electromagnet, and the electromagnetic force between the yoke iron and the armature enables the both to be absorbed by each other. The backup protection device has a small volume, and can be completely used in a small capacity plastic shell circuit breaker. The device can directly acts on the back surface of a pull rod of the circuit breaker, thereby greatly reducing ...

Adjustable electromagnetic release

The invention discloses an adjustable electromagnetic release. A magnet yoke is fixed to a support, and a conductor penetrates through the support and the magnet yoke and is mounted on the support. A shaft is arranged at the top of the support and above the conductor. A push rod is arranged on the shaft and rotates along with the shaft relative to the support, an armature is fixed to the push rod, and the armature and the magnet yoke are arranged in a spaced mode. Adjusting mechanisms are arranged at the positions, on the two sides of the push rod and between the push rod and the support, of the shaft, the shaft is sleeved with torsional springs, the torsional springs are arranged in the adjusting mechanisms, and the adjusting mechanisms are in contact with the push rod. A plurality of adjusting faces in contact with the adjusting mechanisms are arranged on an adjusting rod, and the adjusting rod can move in the length direction. The spring force of the torsional springs enables the push ...

FUSION WELDING ISOLATION MECHANISM FOR OPERATION MECHANISM OF CIRCUIT BREAKER

A fusion welding isolation mechanism for an operating mechanism of a circuit breaker is provided. The operating mechanism of circuit breaker includes: a tripping component, a left side, a right side plate, a latch, a half shaft, a lever, and a main shaft. The tripping component, the latch, and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The tripping component, the latch, the half shaft, the lever, and the main shaft move in linkage. The lever and the main shaft are provided with isolation devices for preventing an operation handle from an opening operation when a moving contact is subject to fusion welding. 1. A fusion welding isolation mechanism for operation mechanism of circuit breaker , wherein the operation mechanism of circuit breaker comprises: a tripping component , a left side plate component , a right side plate component , a latch component , a half shaft component , a lever component and a main shaft component;the tripping component, the latch component and the lever component are mounted between the left side plate component and the right side plate component, the half shaft component and the main shaft component penetrate through the left side plate component and the right side plate component and extend out of the left side plate component and the right side plate component;the tripping component, the latch component, the half shaft component, the lever component and the main shaft component move in linkage;the lever component and the main shaft component are provided with isolation devices for preventing an operation handle from an opening operation when a moving contact is subject to fusion welding.2. The fusion welding isolation mechanism for operation mechanism of circuit breaker according to claim 1 , wherein the main shaft component comprises a main shaft ...

Top-lid translation-sealing type self-unloading garbage cart

The utility model relates to a top-lid translation-sealing type self-unloading garbage cart, belonging to a cart which is especially suitable for collecting garbage or material which has pollution for the environment. A carriage is a rectangle. Both sides on the upper edge of the carriage are welded with two longitudinal groove-shaped slide ways, and the carriage is arranged on a chassis. The upper side of the carriage is covered by a bow-shaped top cover assembly. The inner sides of longitudinal beams on both sides of the carriage are provided with support bearings, guide bearings, and guide bars. Front and rear edges are provided with supporting seats connected with steel cables. The top cover respectively contacts to the groove-shaped slide ways of the carriage or an awning arranged on the top part of an operator cabin via the guide bars and pulley wheels. Supporting guide pulley wheels and steel cable guide pulley wheels are arranged on the awning. The top cover assembly is driven to ...

Mounting structure for energy storage assembly of circuit breaker

A mounting structure for an energy storage assembly of a circuit breaker comprises an energy storage lever and an energy storage spring, wherein one end of the energy storage lever is an energy storage end which is connected with the energy storage spring, and the other end of the energy storage lever is a driving end. An external force can be applied to the driving end, such that the energy storage lever rotates around a lever fulcrum in the middle of the energy storage lever, thereby extruding the energy storage spring at the energy storage end to finish energy storage. One end of the energy storage spring is connected and mounted with the energy storage lever, and the other end of the energy storage spring is mounted in a base support. An energy storage mounting shaft which can be considered as a rotating fulcrum is also arranged in the middle of the energy storage lever. The driving end is stressed, such that the energy storage lever rotates around the energy storage mounting shaft.

Medicine composition for treating diarrhea of equus animals

The invention provides a medicine composition for treating diarrhea of equus animals. The medicine composition comprises the following raw medicines: wild chrysanthemum, lotuses, jasmines and mung beans. The medicine composition has the beneficial effects that the medicine composition takes clearing away heat and toxic materials and regulating the middle warmer and invigorating the stomach as the treatment principles, has reasonable components, has simple preparation processes and has a wide range of application; the medicine composition is prepared from pure Chinese herbal medicines, has a wide source, is low in cost, has a high cure rate and does not have medicine residues or toxic or side effect; in particular, plant cell walls are furthest destroyed after superfine grinding, thus overcoming the defects that traditional medicine powder has high content of crude fibers and active ingredients are hard to dissolve out and being easier to absorb by horses; the medicine composition has obvious ...

Contact arc-supression system of circuit breaker and its mixed arc-chutes

The present invention discloses a mixed type arc-extinguishing chamber, it includes a group of grid plate. It also includes fixing plates, said fixing plates are respectively mounted at two sides of said grid plate; and partition boards, said partition boards are mounted at two sides of said grid plate respectively, said partition boards are fixed on the grid plate by means of fixing plates, and said partition boards are made up by using aerogenic insulating material. Said invention also discloses a contact arc-extinguishing system utilizing above-mentioned mixed arc-extinguishing chamber.

Pharmaceutical composition for treating equine cold

The invention provides a pharmaceutical composition for treating equine cold, which comprises the following active pharmaceutical ingredients: toosendan fruit, radix bupleuri, lychee seed, fennel, frankincense, notopterygium root and heracleum hemsleyanum michaux. By using the treatment principles of warming the middle-jiao, dispelling cold, invigorating qi and invigorating vital function, the composition has the advantages of reasonable formula, simple preparation technique and wide application range. The composition is prepared from pure Chinese medicinal herbs, and thus, has the advantages of wide sources, low cost, high cure rate, no drug residue and no toxic or side effect; and especially, superfine grinding maximally destroys the plant cell walls, so the composition overcomes the defects of high coarse fiber content and difficulty in leaching effective components in the traditional medicinal powder, and can be absorbed by horses more easily. The composition has obvious actions on ...

Operation mechanism of circuit breaker

An operation mechanism of a circuit breaker includes: a tripping component; a left side plate; a right side plate; a latch; a half shaft; a lever; and a main shaft. The tripping component, the latch, the half shaft and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The lever includes a sheet metal bending piece. The sheet metal bending piece is bent to form a top wall and two side walls. The tripping component, the latch, the half shaft, the lever and the main shaft move in linkage. The tripping and the latch form a two-level latch. The operation mechanism of the circuit breaker is manual operation.

EXCHANGE OPERATING MECHANISM

The present invention discloses a changeable mechanism, the changeable mechanism comprises a support contact, a connecting rod, a connecting shaft, a cantilever and a changeable component. The support contact is provided with a moving contact therein, the support contact rotates about a shaft to make the moving contact be separated from or in contact with a static contact. The bottom end of the connecting rod is connected to the contact support, the top end of the connecting rod is connected to a cantilever through a connecting shaft. The changeable component is connected to the cantilever through a main shaft, the changeable component acts and drives the cantilever to act through the main shaft, and further drives the contact support to rotate through the connecting shaft and the connecting rod. The rotation of the contact support makes the moving contact and the static contact to be separated from or in contact with each other so as to realize opening or closing of a circuit breaker. The changeable component is a manual operation mechanism or an energy storage mechanism. The changeable operation mechanism of the present invention may realize a convenient switch between a manual operation mechanism and an electrical operation mechanism of a MCB. The changeable component does not dispose the electrical operation mechanism outside the MCB, so that the height and volume of the MCB is reduced. 1. A changeable mechanism , comprising:{'b': 102', '113', '102', '122', '113', '104, 'a support contact (), provided with a moving contact () therein, the support contact () rotating about a shaft () to make the moving contact () be separated from or in contact with a static contact ();'}{'b': 105', '105', '102', '105', '114', '106, 'a connecting rod (), the bottom end of the connecting rod () being connected to the contact support (), the top end of the connecting rod () being connected to a cantilever () through a connecting shaft ();'}{'b': 114', '103', '114', '103', '102', ' ...

Novel interference suppression type brush seal

The invention discloses a novel interference suppression type brush seal which comprises a brush seal part and an interference suppression hole opening degree adjusting structure, the brush seal part comprises a front baffle, a brush wire bundle and a rear baffle, interference suppression holes are evenly formed in the portion, close to a rotor, of the front baffle in the circumferential direction of the front baffle, and the interference suppression hole opening degree adjusting structure is installed at the front end of the front baffle. Comprising an outer gear disc, a planetary gear and an inner gear disc, the inner gear disc is arranged in front of the front baffle in a matched mode, corresponding holes matched with the interference suppression holes in the front baffle are formed in the inner gear disc, and the outer gear disc is connected to the outer portion of the inner gear disc in a meshed mode through the planetary gear. The novel disturbance suppression type brush seal is simple ...

Circuit breaker energy storage operating mechanism

An energy storage operation mechanism for a circuit breaker comprises a side plate assembly, a connecting rod assembly, a cam assembly, an energy storage assembly, a rotating shaft assembly and a control assembly. A rotatable driving shaft is mounted in the side plate assembly. The connecting rod assembly and the cam assembly are mounted on the driving shaft. The energy storage assembly and the rotating shaft assembly are mounted at one side of the driving shaft, and the control assembly is mounted at the other side of the driving shaft. The connecting rod assembly is connected with the rotating shaft assembly. The cam assembly can be in contact and connection with the energy storage assembly to push the energy storage assembly to store energy. The control assembly can be connected with the connecting rod assembly and the cam assembly in a latching manner. The energy storage operation mechanism for the circuit breaker, which is provided by the present invention, is compact in structure ...

Switching device and power supply and distribution system

The invention discloses a switching device and a power supply and distribution system, so as to achieve the quick protection of the power supply and distribution system and improve the safety of the power supply and distribution system. The switching device comprises a circuit breaker, a conveying mechanism and at least two driving generators, wherein the circuit breaker is used for connecting or disconnecting electrical connection; the at least two driving generators are adjacently arranged, and each driving generator is used for driving the circuit breaker to be disconnected; the conveying mechanism is used for moving one driving generator to replace the position of the other adjacent driving generator.

Hydrogen storage device, preparation method and hydrogen power vehicle

The invention discloses a hydrogen storage device, a preparation method and a hydrogen power vehicle, and belongs to the field of hydrogen storage equipment. The hydrogen storage device comprises a bottle body, a hydrogen storage material placed in the bottle body, and an elastic piece which is arranged in the bottle body, is completely or partially embedded in the hydrogen storage material and has an elastic porous structure. According to the hydrogen storage device, the porous elastic part is arranged in the hydrogen storage device, when hydrogen is charged, the hydrogen storage material can expand towards the porous elastic part, the pressure of the bottle body is relieved, stress concentration generated on the bottle body due to hydrogen absorption expansion of the hydrogen storage material is avoided, the service life of the hydrogen storage device is prolonged, and the safety of the hydrogen storage device is improved; and the porous characteristic of the elastic piece can play a ...

Stored energy operating mecha nism of circuit breaker

The utility model provides a stored energy operating mecha nism of circuit breaker, is including the motor that is used for making the automatic energy storage of stored energy operating mecha nism, the motor install the one side at stored energy operating mecha nism, stored energy operating mecha nism on install the drive shaft of being connected with electromotor drive, the drive shaft can drive the stored energy operating mecha nism energy storage. The curb plate subassembly one side at stored energy operating mecha nism is installed to the motor, still install the many location axles that are used for spacing installation and fixed connection on the lateral wall of curb plate subassembly, the location axle include first location axle and second location spool to be equipped with on the lateral wall of motor and correspond first locating hole, second locating hole and the third locating hole of being connected respectively with first location axle, second location axle and drive shaft ...

Electric magnet backup protection apparatus

The embodiment of the invention discloses a backup protection device of an electromagnet . A first yoke iron is fixed on the upper part of a first bracket; a second bracket and an armature are rotatably fixed on the middle part of the first bracket; the second bracket is fixed to the first bracket through a first rotating shaft; the armature is fixed to the second bracket; a spring connects the first bracket and the second bracket; and the spring force of the spring enables the armature and the yoke iron to be separated from each other. When short circuit fault occurs, a current travels through the backup protection device of the electromagnet, and the electromagnetic force between the yoke iron and the armature enables the both to be absorbed by each other. The backup protection device has a small volume, and can be completely used in a small capacity plastic shell circuit breaker. The device can directly acts on the back surface of a pull rod of the circuit breaker, thereby greatly reducing ...

Hydrogen energy equipment, management system and control method

The invention provides hydrogen energy equipment, a management system and a control method, and the hydrogen energy equipment comprises a cabinet body which is provided with a containing space; the hydrogen production device is placed in the accommodating space to prepare hydrogen; the hydrogen charging devices are placed in the accommodating space, and each hydrogen charging device is connected with a hydrogen outlet pipeline of the hydrogen production device; at least one storage space is formed in the hydrogen exchange device, and the storage space is provided with a storage opening facing the outside; and the hydrogen storage device is put in or taken out from the storage opening, when the hydrogen storage device is put in the storage space, the hydrogen exchange device locks and stabilizes the hydrogen storage device, and the hydrogen storage space is in one-to-one correspondence with the hydrogen charging devices. After the technical scheme is adopted, the occupied area of the hydrogen ...

Manual-automatic integrated electrical switch, photovoltaic inverter and power equipment

The invention provides a manual-automatic integrated electrical switch, a photovoltaic inverter and power equipment. The electrical switch comprises a rotating shaft and a rotating mechanism, the rotating mechanism is used for driving the rotating shaft to rotate clockwise or anticlockwise to enable the electrical switch to be switched on or switched off, the rotating mechanism comprises a ratchet wheel, a pawl, an annular transmission wheel and a clutch wheel, the ratchet wheel fixedly sleeves the rotating shaft, and the clutch wheel is in transmission connection with the ratchet wheel. The pawl is in transmission connection with the ratchet and the annular transmission wheel; the clutch wheel is used for driving the ratchet wheel to rotate the rotating shaft and disconnecting engagement between ratchets and pawls of the ratchet wheel; the annular transmission wheel is used for driving the ratchet wheel to rotate the rotating shaft and the clutch wheel through the pawl. According to the ...

Medicine composition for treating coughs and runny noses of equus animals

The invention provides a medicine composition for treating coughs and runny noses of equus animals. The medicine composition comprises the following raw medicines: sappan wood, incised notopterygium rhizome and root, India madder root, akebia stem and virgate wormwood herb. The medicine composition has the beneficial effects that the medicine composition takes diminishing inflammation and reducing internal heat and promoting the circulation of qi to disperse blood stasis as the treatment principles, has reasonable components, has simple preparation processes and has a wide range of application; the medicine composition is prepared from pure Chinese herbal medicines, has a wide source, is low in cost, has a high cure rate and does not have medicine residues or toxic or side effect; in particular, plant cell walls are furthest destroyed after superfine grinding, thus overcoming the defects that traditional medicine powder has high content of crude fibers and active ingredients are hard to ...

Microwave switch matrix and layout method thereof

The invention discloses a microwave switch matrix and a layout method thereof, the switch matrix is a 2 * 4 switch matrix unit composed of four single-pole double-throw switches, two single-pole four-throw switches and a semi-rigid cable assembly, the four single-pole double-throw switches are arranged in a row at equal intervals, and the two single-pole four-throw switches are arranged in a column; the common ends of the four single-pole double-throw switches are symmetrical about the common end connecting line of the two single-pole four-throw switches in pairs, and the common ends of the two single-pole four-throw switches are symmetrical about the common end connecting line of the four single-pole double-throw switches. The ports of the single-pole double-throw switches and the ports of the single-pole four-throw switches are in one-to-one correspondence, the distances between the two ports in correspondence are equal, and the two ports are connected through the same semi-rigid cable ...

Hydrogen production and charging system and control method thereof

The invention provides a hydrogen production and charging system and a control method thereof, and the system comprises a plurality of hydrogen production devices which are placed in a containing space and are used for producing hydrogen; the hydrogen charging device is placed in a containing space, and the hydrogen charging device is connected with a hydrogen outlet pipeline of the hydrogen production device; the hydrogen storage device is connected with the hydrogen charging device to receive hydrogen and store the hydrogen prepared by the hydrogen production device; wherein the hydrogen charging device controls the turn-off state of the hydrogen charging device so as to control any hydrogen production device to charge any hydrogen storage device with hydrogen. After the technical scheme is adopted, on the premise of fully meeting the application scene of mass hydrogen filling, the effects of controllable hydrogen production and filling, low energy consumption, low operation cost, safety ...

OPERATION MECHANISM OF CIRCUIT BREAKER

An operation mechanism of a circuit breaker includes: a tripping component; a left side plate; a right side plate; a latch; a half shaft; a lever; and a main shaft. The tripping component, the latch, the half shaft and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The lever includes a sheet metal bending piece. The sheet metal bending piece is bent to form a top wall and two side walls. The tripping component, the latch, the half shaft, the lever and the main shaft move in linkage. The tripping and the latch form a two-level latch. The operation mechanism of the circuit breaker is manual operation. 1. An operation mechanism of circuit breaker , comprising: a tripping component , a left side plate component , a right side plate component , a latch component , a half shaft component , a lever component and a main shaft component;the tripping component, the latch component and the lever component are mounted between the left side plate component and the right side plate component, the half shaft component and the main shaft component penetrate through the left side plate component and the right side plate component and extend out of the left side plate component and the right side plate component;the lever component comprises a sheet metal bending piece, the sheet metal bending piece being bent to form a top wall and two side walls;the tripping component, the latch component, the half shaft component, the lever component and the main shaft component move in linkage.2. The operation mechanism of circuit breaker according to claim 1 , wherein the tripping component claim 1 , the latch component and the half shaft component form a two-level latch; the tripping component is provided with a limiting device for limiting a stroke of the operation mechanism during a closing process and a ...

TWO-LEVEL LATCH MECHANISM FOR OPERATION MECHANISM OF CIRCUIT BREAKER

A two-level latch mechanism for an operation mechanism of a circuit breaker is provided. The operation mechanism includes: a tripping component, a left side plate, a right side plate, a latch, a half shaft, a lever, and a main shaft. The tripping component, the latch and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The tripping component, the latch, the half shaft, the lever, and the main shaft move in linkage. The tripping component includes a tripping buckle and a latch surface is disposed on a second end of the tripping buckle. The tripping component, the latch component and the half shaft component form a two-level latch. 1. A two-level latch mechanism for operation mechanism of circuit breaker , wherein the operation mechanism of circuit breaker comprises: a tripping component , a left side plate component , a right side plate component , a latch component , a half shaft component , a lever component and a main shaft component;the tripping component, the latch component and the lever component are mounted between the left side plate component and the right side plate component, the half shaft component and the main shaft component penetrate through the left side plate component and the right side plate component and extend out of the left side plate component and the right side plate component;the tripping component, the latch component, the half shaft component, the lever component and the main shaft component move in linkage;wherein the tripping component comprises a tripping buckle, a latch surface is provide on a second end of the tripping buckle; the latch component comprises a sheet metal piece rotating about a rotation shaft and a bearing mounted on the sheet metal piece; the bearing is in contact with the latch surface, and the latch component limits the tripping ...

CIRCUIT BREAKER ENERGY STORAGE OPERATING MECHANISM

An energy storage operation mechanism for a circuit breaker comprises a side plate assembly, a connecting rod assembly, a cam assembly, an energy storage assembly, a rotating shaft assembly and a control assembly. A rotatable driving shaft is mounted in the side plate assembly. The connecting rod assembly and the cam assembly are mounted on the driving shaft. The energy storage assembly and the rotating shaft assembly are mounted at one side of the driving shaft, and the control assembly is mounted at the other side of the driving shaft. The connecting rod assembly is connected with the rotating shaft assembly. The cam assembly can be in contact and connection with the energy storage assembly to push the energy storage assembly to store energy. The control assembly can be connected with the connecting rod assembly and the cam assembly in a latching manner. The energy storage operation mechanism for the circuit breaker, which is provided by the present invention, is compact in structure and high in reliability. 1. An energy storage operation mechanism for a circuit breaker , comprising a side plate assembly , a connecting rod assembly , a cam assembly , an energy storage assembly , a rotating shaft assembly and a control assembly , wherein a rotatable driving shaft is arranged in the side plate assembly; the connecting rod assembly and the cam assembly are arranged on the driving shaft;the energy storage assembly and the rotating shaft assembly are arranged at one side of the driving shaft, and the control assembly is arranged at the other side of the driving shaft; the connecting rod assembly is connected with the rotating shaft assembly; the cam assembly can be in contact and connection with the energy storage assembly to push the energy storage assembly to store energy; the control assembly can be connected with the connecting rod assembly and the cam assembly in a latching manner.2. The energy storage operation mechanism for the circuit breaker according to claim ...

INTERLOCKING DEVICE FOR CIRCUIT BREAKER

An interlocking device for a circuit breaker comprises a control assembly and an interlocking assembly which are connected with each other in a driving manner. The control assembly can be connected with a connecting rod assembly and a cam assembly of an energy storage operation mechanism of the circuit breaker in a latching manner, thereby controlling the energy storage operation mechanism to finish a switching-on/switching-off operation. A switching-off latch of the control assembly is connected with the connecting rod assembly, and a switching-on latch of the control assembly is connected with the cam assembly. A switching-on guide rod of the interlocking assembly is connected with the control assembly in a driving manner, such that the switching-on latch actuates, and a switching-off guide rod of the interlocking assembly is connected with the control assembly in a driving manner, such that the switching-off latch actuates. One end of a switching-on half-shaft is connected with the switching-on latch in a driving manner, and the other end of the switching-on half-shaft and the driving guide rod face each other. The interlocking device for the circuit breaker, which is provided by the present invention, is compact in structure, accurate in control and stable in action. 1. An interlocking device for a circuit breaker , comprising a control assembly and an interlocking assembly which are connected with each other in a driving manner; the control assembly can be connected with a connecting rod assembly and a cam assembly of an energy storage operation mechanism of the circuit breaker in a latching manner , thereby controlling the energy storage operation mechanism to finish a switching-on/switching-off operation; the control assembly comprises a switching-off semi-half , a switching-off latch , a switching-on half-shaft and a switching-on latch; the interlocking assembly comprises a switching-on guide rod , a switching-off guide rod and a driving guide rod;the ...

MOUNTING STRUCTURE FOR ENERGY STORAGE ASSEMBLY OF CIRCUIT BREAKER

A mounting structure for an energy storage assembly of a circuit breaker comprises an energy storage lever and an energy storage spring, wherein one end of the energy storage lever is an energy storage end which is connected with the energy storage spring, and the other end of the energy storage lever is a driving end. An external force can be applied to the driving end, such that the energy storage lever rotates around a lever fulcrum in the middle of the energy storage lever, thereby extruding the energy storage spring at the energy storage end to finish energy storage. One end of the energy storage spring is connected and mounted with the energy storage lever, and the other end of the energy storage spring is mounted in a base support. An energy storage mounting shaft which can be considered as a rotating fulcrum is also arranged in the middle of the energy storage lever. The driving end is stressed, such that the energy storage lever rotates around the energy storage mounting shaft. The mounting structure for the energy storage assembly of the circuit breaker, which is provided by the present invention, is simple in mounting process, stable in connection structure and high in assembly accuracy. 1. A mounting structure for an energy storage assembly of a circuit breaker , comprising an energy storage lever and an energy storage spring , wherein one end of the energy storage lever is an energy storage end which is connected with the energy storage spring , and the other end of the energy storage lever is a driving end; an external force can be applied to the driving end , such that the energy storage lever rotates around a lever fulcrum in the middle of the energy storage lever , thereby extruding the energy storage spring at the energy storage end to finish energy storage; one end of the energy storage spring is connected and mounted with the energy storage lever and the other end of the energy storage spring is mounted in a base support; an energy storage ...

CIRCUIT BREAKER TRIPPING MECHANISM

A tripping mechanism for a circuit breaker comprises a connecting rod assembly and a control assembly, wherein one end of the connecting rod assembly is connected with a rotating shaft assembly for driving the circuit breaker to be switched off in a driving manner, and the other end of the connecting rod assembly is provided with a jump pin which can be connected with the control assembly in a latching manner, and the jump pin is also provided with a U-shaped groove. The control assembly comprises a switching-off latch which is rotatably mounted. The end part of the switching-off latch can be connected with the U-shaped groove in a latching and limiting manner, and the circuit breaker triggers the end part of the switching-off latch to be tripped from the U-shaped groove when being switched off, and therefore the rotating shaft assembly connected with the connecting rod assembly drives the circuit breaker to be switched off. The tripping mechanism for the circuit breaker, which is provided by the present invention, is stable in latching, simple in structure and accurate in action. 1. A tripping mechanism for a circuit breaker , comprising a connecting rod assembly and a control assembly , wherein one end of the connecting rod assembly is connected with a rotating shaft assembly for driving the circuit breaker to be switched off in a driving manner , and the other end of the connecting rod assembly is provided with a jump pin which can be connected with the control assembly in a latching manner; the jump pin is also provided with a U-shaped groove; the control assembly comprises a switching-off latch which is rotatably mounted; the end part of the switching-off latch can be connected with the U-shaped groove in a latching and limiting manner , and the circuit breaker triggers the end part of the switching-off latch to be tripped from the U-shaped groove when being switched off , and therefore the rotating shaft assembly connected with the connecting rod assembly ...

Thermomagnetic protection device, thermal protection component and magnetic protection component

Secondary latch mechanism for operating mechanism of circuit breaker

Operating mechanism for circuit breaker

This application provides an operation mechanism for a circuit breaker, comprising an operation assembly, a transmission mechanism and a locking mechanism, the operation assembly comprising a support member and a rotating member rotatably mounted to the support member, and the rotating member comprising a first limit position and a second limit position in a rotation direction. In the operation mechanism for the circuit breaker of this application, the transmission chain and the locking chain are formed by providing the operation assembly, the transmission mechanism, and the locking mechanism. The arc extinguishing device is provided downwards, that is, also extends along the length direction of the circuit breaker extends. Compared with the arc extinguishing mechanism extinguishing device in the prior art that extends along the height direction of the circuit breaker, the arc extinguishing device of this application can occupy a larger space and thus break higher short-circuit currents.

Circuit breaker

A circuit breaker, comprising a housing, an operation assembly, an arc extinguishing device, and a transmission mechanism. The housing has, in a first direction, a bottom and a top opposite to each other, an accommodation portion recessed from the top to the bottom, and an accommodation cavity semi-surrounding the accommodation portion; a rotating wheel and a movable contact connected to the rotating wheel are provided in the accommodation cavity close to the top and adjacent to the accommodation portion in a second direction, wherein the first direction intersects the second direction; the operation assembly is rotatably and detachably connected to the top of the housing; the arc extinguishing device comprises an arc extinguishing chamber located in the accommodation cavity and close to the bottom of the housing. The circuit breaker can avoid interference between the transmission mechanism and other components while increasing the size of the arc extinguishing chamber.

Power supply system and switch unit

This application provides a power supply system and a switch unit. The power supply system includes a control unit, a switch, a direct current source, and a power change unit. The switch includes a switch unit and an operation mechanism. The operation mechanism is configured to receive a switch-off signal and control the switch unit to be turned on or off. The switch unit includes a first static contact, a movable contact, and a first arc extinguishing structure. When the switch unit is turned off, the movable contact rotates about a rotation center relative to the first static contact by a first included angle to be separated from the first static contact, to generate a first arc. The first arc extinguishing structure includes a first arc extinguishing end part and a second arc extinguishing end part. A connection line between the first arc extinguishing end part and the rotation center of the movable contact is a first line. A connection line between the second arc extinguishing end part and the rotation center of the movable contact is a second line. An included angle between the first line and the second line is a second included angle. An angle value of the second included angle is greater than or equal to an angle value of the first included angle. The first arc extinguishing structure of the switch unit provided in this application can effectively extinguish an arc.

Power supply system and switch unit

A power supply system includes a switch unit and an operating mechanism. The switch unit includes: an arc-extinguishing functional component, a fixed contact assembly, a moving contact, and a first magnet assembly. The arc-extinguishing functional component is located inside the arc-extinguishing functional component and can move relative to the fixed contact assembly. The operating mechanism controls the switch unit to be opened when receiving a switch-off signal, so that the moving contact is separated from the fixed contact assembly. An electric arc is formed between the moving contact and the fixed contact assembly in a separation process. Directions of at least some magnetic induction lines of the first magnet assembly intersect a current direction of the electric arc to drive the electric arc to move towards the arc-extinguishing functional component. The first magnet assembly includes a first magnet and a second magnet that are spaced apart.

Power mechanism, switch, power conversion apparatus, and power supply system

A power mechanism, a switch, a power conversion apparatus, and a power supply system. The switch includes a contact component, a knob, and a power mechanism connected between the contact component and the knob. The power mechanism includes a fastening bracket, a knob connector, a contact connector, a transmission component, a trip unit, and a cradle. Both the knob connector and the contact connector are rotatively connected to the fastening bracket, and rotation centers of the knob connector and the contact connector are collinear. The transmission component is configured to implement power transmission between the knob connector and the contact connector. The trip unit is configured to receive a switch-off signal, to implement tripping of the trip unit and the cradle. The transmission component is driven to move by using the cradle, to separate the movable contact from the static contact, so that the switch is switched off.

Power mechanism, switch, power conversion apparatus, and power supply system

A power mechanism, a switch, a power conversion apparatus, and a power supply system are disclosed. The switch includes a contact component, a knob, and a power mechanism connected between the contact component and the knob. The power mechanism includes a fastening bracket, a knob connector, a contact connector, a transmission component, a trip unit, and a cradle. Both the knob connector and the contact connector are rotatively connected to the fastening bracket, and rotation centers of the knob connector and the contact connector are collinear. The transmission component is configured to implement power transmission between the knob connector and the contact connector. The trip unit is configured to receive a switch-off signal, to implement tripping of the trip unit and the cradle. The transmission component is driven to move by using the cradle, to separate the movable contact from the static contact, so that the switch is switched off. The switch provided in this application has advantages of a compact structure and a small size.

Assembly platform with protective structure for prefabricated segments of concrete tower of wind turbine

An assembly platform with a protective structure for prefabricated segments of a concrete tower of a wind turbine is provided according to the present application, which includes a central frame, the central frame is in a regular octagonal shape and each side of the central frame is provided with a supporting beam, a vertical protective device and a transverse protective device are arranged between any two adjacent ones of the supporting beams, a mounting-adjustment device is arranged on a top of the central frame, a multi-stage telescopic ladder is arranged on the top of the mounting-adjustment device, and a fixing device is arranged at an end of the multi-stage telescopic ladder. The vertical protective device includes sliding members, mounting members and a gauze protection member. The sliding members are symmetrically arranged at the top of an inner wall of the supporting beam, each of the mounting members is arranged at an actuating end of the sliding member and is configured to mount a shaft tube, and the gauze protection member is arranged between shaft tubes. The transverse protective device includes multiple protective plates, and two ends of each protective plate are connected with the adjacent supporting beams by disassembly-assembly members. The mounting-adjustment device includes a mounting-adjustment member and telescopic members. The fixing device is configured to fix the multi-stage telescopic ladder to the top of the prefabricated segment. The assembly platform with a protective structure for prefabricated segments of a concrete tower of a wind turbine is provided according to the present application, which facilitates protecting the life safety of workers.

Power mechanism, switch, power conversion apparatus, and power supply system

A power mechanism, a switch, a power conversion apparatus, and a power supply system are disclosed. The switch includes a contact component, a knob, and a power mechanism connected between the contact component and the knob. The power mechanism includes a fastening bracket, 5 a knob connector, a contact connector, a transmission component, a trip unit, and a cradle. Both the knob connector and the contact connector are rotatively connected to the fastening bracket, and rotation centers of the knob connector and the contact connector are collinear. The transmission component is configured to implement power transmission between the knob connector and the contact connector. The trip unit is configured to receive a switch-off signal, to implement tripping 0 of the trip unit and the cradle. The transmission component is driven to move by using the cradle, to separate the movable contact from the static contact, so that the switch is switched off. The switch provided in this application may have advantages of a compact structure and a small size. 1/21 Power supply system Power conversion unit Switch Control unit Direct current source FIG. 1 100 22 2 21 /31 231 3 FIG. 2

Katkaisimen energianvarastointimekanismi

Power supply system and switch unit

A power supply system includes a control unit, a switch, a direct current source, and a power change unit. The switch includes a switch unit and an operation mechanism. The operation mechanism is configured to receive a switch-off signal and control the switch unit to be turned on or off. The switch unit includes a first static contact, a movable contact, and a first arc extinguishing structure. When the switch unit is turned off, the movable contact rotates about a rotation center relative to the first static contact by a first included angle to be separated from the first static contact, to generate a first arc. The first arc extinguishing structure includes a first arc extinguishing end part and a second arc extinguishing end part. A connection line between the first arc extinguishing end part and the rotation center of the movable contact is a first line.

Power supply system and switch unit

This application provides a power supply system and a switch unit. The power supply system includes a switch (1). The switch includes the switch unit (10) and an operating mechanism (11). The switch unit includes: an arc-extinguishing functional component (140), a fixed contact assembly (120), a moving contact (130), and a first magnet assembly (110). The arc-extinguishing functional component is located inside the arc-extinguishing functional component and is capable of moving relative to the fixed contact assembly. The operating mechanism controls the switch unit to be opened when receiving a switchoff signal, so that the moving contact is separated from the fixed contact assembly. An electric arc is formed between the moving contact and the fixed contact assembly in a separation process. Directions of at least some magnetic induction lines of the first magnet assembly intersect a current direction of the electric arc to drive the electric arc to move towards the arc-extinguishing functional component. The first magnet assembly includes a first magnet (111) and a second magnet (112) that are spaced apart. The first magnet and the second magnet are both configured to increase a movement path of the electric arc and increase a contact area between the electric arc and the arc-extinguishing functional component, thereby improving cooling effect of the arc-extinguishing functional component on the electric arc.

Hydrogen energy folding bicycle

Operating mechanism for circuit breaker