驱鼠器（HDS-A01）

AIR-SUPPORTED BUILDING

An air-supported building (100) comprises an air-supported envelope main body (10), a cable (30) provided at a surface of the air-supported envelope main body (10), a solar thin film (20) and a connection structure (40). The solar thin film (20) is laid horizontally over the surface of the air-supported envelope main body (10), and is connected to the cable (30) by means of the connection structure (40). The air-supported building realizes combination of a pliable structure with solar power generation techniques.

AIR-SUPPORTED BUILDING AND PLAYBACK SYSTEM

An air-supported building, comprising an inner membrane (210), an outer membrane (220), an inflation and pressurization system (300), anchoring systems (400), and a membrane reinforcing system (500); the inner membrane (210) and the outer membrane (220) are provided on a building foundation (100), and the inner membrane (210) and the building foundation (100) enclose a first space (110); the outer membrane (220) surrounds the inner membrane (210), and the inner membrane (210) and the outer membrane (220) enclose a second space (120); the inflation and pressurization system (300) is used for inflating the first space (110) and the second space (120); the anchoring systems (400) are used for connecting the inner membrane (210) to the building foundation (100) and connecting the outer membrane (220) to the building foundation (100); and the membrane reinforcing system (500) is provided outside the outer membrane (220), and the outer membrane (220) is connected to the membrane reinforcing system ...

电池模具装置（便于脱模及型号多变）

BOTTOM SEALING DEVICE OF AIR FILM STRUCTURE AND AIR FILM STRUCTURE

A bottom sealing device of an air film structure, installed on a base (200) and used for sealing a gap between a pre-processed film material (100) in an air film structure and the base (200), and comprising: an angle steel (300), which is disposed above the base (200), an air film fixing part (110) being sandwiched between the angle steel (300) and the top (210) of the base (200); a sealing curtain (400), comprising a first connecting part (410) and a second connecting part (420), the first connecting part (410) being connected to the air film fixing part (110), the second connecting part (420) extending first from the first connecting part (410) along the top (210) of the base (200) and into the air film structure, and then extending downward along a side (220) of the base (200) and fitting on the side (220); and a first fixing device (500) that sequentially passes through the angle steel (300), the air film fixing part (110) and the top (210), and which is fixed and locked on the base ...

AIR-TIGHT DOOR SYSTEM AND AIR-TIGHT DOOR CONTROL METHOD

An air-tight door system and a control method therefor. The air-tight door comprises a first door (M1), a second door (M2), a first door detection module (S1, S2, P1), a second door detection module (S3, S4, P2) and a controller (K). The air-tight door control method comprises: the first and second detection modules (S1, S2, P1, S3, S4, P2) detect whether the first door (M1) and the second door (M2) are completely closed; and the controller (K) controls opening and closing of the first door (M1) and the second door (M2) according to whether the first and second doors (M1, M2) are completely closed. The air-tight door system and the control method therefor ensure that at least one door is in the closed state at any time, thereby further improving air-tightness and device safety.

Convenient patient's gown jacket of changing

... 本实用新型公开了一种方便更换的病员服上衣，该病员服上衣上至少一侧的肩缝附近、后袖窿附近和摆缝附近处开设有开襟，所述开设在肩缝附近的开襟、开设在后袖窿附近的开襟和开设在摆缝附近的开襟自领口贯通至病员服上衣的底边，形成所述方便更换的病员服上衣的完整开襟，各部分开襟的门襟和里襟上相对应的部位设置有用于扣紧开襟的连接件。通过在病员服上衣的两侧或一侧设置自领口贯通至上衣底边的开襟，本实用新型提供的病员服上衣可以避免换衣时病号的频繁翻动，减少了病号的换衣时间和翻身时的痛苦，降低了医务人员的劳动强度。 ...

AIR-SUPPORTED BUILDING AND EXTERNALLY CONNECTED AIR DUCT STRUCTURE THEREOF

An air-supported building, comprising a membrane body (200) which is provided with a pipe wall (410) on the inner side thereof, the pipe wall (410) and the membrane body (200) together forming an inner ventilation duct (201), the pipe wall (410) being provided with, at the portion that has a remote distance from the bottom, a plurality of vents (411) spaced apart from one another. An externally connected air duct structure (500) of the air-supported building comprises an externally connected air duct (510), suspenders (530) and balance bars (540); one end of each suspender (530) is connected to a suspending point (220) that is provided on the inner side of the membrane body (200), and the other end thereof is connected to the balance bar (540); the balance bars (540) are connected to the externally connected air duct (510); one end of the externally connected air duct (510) is in communication with a port (412) on the pipe wall (410); and the periphery of the externally connected air duct ...

Airtight sealing cable device

The invention provides an air-tight sealing cable device which comprises a socket and an adapter which are arranged oppositely. The corrugated pipe assembly comprises an upper end cover, a lower end cover and a metal corrugated pipe, the socket is connected with one end of the metal corrugated pipe through the lower end cover, and the adapter seat is connected with the other end of the metal corrugated pipe through the upper end cover; and the wire bundle is arranged in the corrugated pipe assembly. The socket is connected with the corrugated pipe assembly, and the adapter is connected with the corrugated pipe assembly, so that the cable device is integrated, the overall strength of the cable device is improved, and the reliability of airplane wire harness butt joint can be ensured. The metal corrugated pipe has high and low temperature resistance and aging resistance, and the metal corrugated pipe of the corrugated pipe assembly provides protection for the wire bundle. The upper end cover ...

Time difference extraction filtering method based on multi-station direction finding, medium and device

The invention provides a time difference extraction filtering method based on multi-station direction finding, a medium and a device. The method comprises the following steps: S1, calculating and generating an angle threshold; s2, calculating and generating a direction finding angle-detection time arrangement mapping table; s3, setting a maximum positioning included angle; s4, calculating a fuzzy time difference window; and S5, applying the generated angle threshold, the direction finding angle-interception time arrangement mapping table, the maximum positioning included angle and the fuzzy time difference window to time difference extraction and filtering. According to the method, a series of processing methods such as deployment coordinates, reconnaissance ranges and angle measurement relations of all the direction-finding positioning stations, angle threshold forming and time sequence arrangement are fully utilized, the time difference positioning capacity is greatly improved, and compared ...

GAS FILM

Disclosed is a gas film (10), comprising a plurality of gas film units (100) and a connector (200). Each gas film unit (100) comprises an outer film (110), an inner film (120) and a thermal insulating layer (130). The thermal insulating layer (130) comprises a first film layer (131), a second film layer (132) and a thermal insulating material layer (133). The first film layer (131) and the second film layer (132) are connected at an edge to form a vacuum receiving chamber for containing the thermal insulating material layer (133). The gas film (10) has a good thermal insulation performance.

External damping device for suspension cable of suspension bridge

The invention discloses an external damping device for a sling of a suspension bridge, and relates to the technical field of damping vibration attenuation devices. The dowel bar assembly comprises a lower dowel bar assembly, one end of the lower dowel bar assembly is used for being connected with the bottom of the sling, the other end of the lower dowel bar assembly is rotationally connected with the middle of the dowel lever, and the dowel lever is divided into a resisting arm and a power arm; one end of the upper dowel bar assembly is used for being connected with the sling, and the other end of the upper dowel bar assembly is rotationally connected with the end of the resisting arm; the damping structure is arranged at the end of the power arm and used for being fixed to the main beam. When the device is used, the characteristic that the displacement of the bottom of the sling is small and almost zero is utilized, the middle rotating point of the force transmission lever serves as a ...

INFLATABLE BUILDING AND DOOR STRUCTURE THEREFOR

A door structure (200) for an inflatable building (10) and an inflatable building (10). The door structure (200) for an inflatable building (10) comprises a mounting base (220), a first door assembly (240), a second door assembly (260) and a third door assembly (280); the mounting base (220) is provided with an entrance, an exit and a passage (222) connecting the entrance to the exit; the first door assembly (240) is provided at the entrance, the second door assembly (260) is provided at the exit, and the third door assembly (280) is provided in the passage (222), between the first door assembly (240) and the second door assembly (260). The inflatable building (10) comprises an inflatable building body (100) and said door structure (200). The first door assembly (240), the second door assembly (260) and the third door assembly (280) of the door structure (200) of the inflatable building (10) are not opened simultaneously, which can reduce the leakage of air, providing an excellent thermal ...

AIR-SUPPORTED STRUCTURE, AND FOUNDATION BASE AND DOOR STRUCTURE THEREOF

Disclosed are an air-supported structure and a foundation base and door structure thereof, the door structure (200) comprising a mounting base (220), a first door assembly (240) and a second door assembly (260). The mounting base (220) is connected to an air membrane body (20), and the mounting base (220) is provided with an entrance (222) and an exit (224) as well as a chamber (226) communicating the entrance (222) and the exit (224). The entrance (222) is used to communicate with the outside, and the exit (224) is used to communicate with the interior of the air membrane body (20). The first door assembly (240) comprises a first membrane (242) and a first zip fastener (244), the first membrane (242) being mounted on the mounting base (220) for sealing the entrance (222), and the first zip fastener (244) being arranged on the first membrane (242) to enable the first membrane (242) to be opened and closed. The second door assembly (260) comprises a second membrane (262) and a second zip ...

AIR-SUPPORTED MEMBRANE AND MANUFACTURING METHOD THEREFOR

Disclosed is an air-supported membrane (10), comprising a membrane body (100), an adhesive strip (200), a first blocking sheet (300) and a ventilation duct (400). A through hole (110) is provided in the membrane body (100). The adhesive strip (200) is arranged on the membrane body (100). The adhesive strip (200) surrounds the through hole (110), and an installation hole (310) in communication with the through hole (110) is provided in the first blocking sheet (300). The first blocking sheet (300) is connected to the adhesive strip (200), and the ventilation duct (400) penetrates through the through hole (110) and the installation hole (310).

Automatic testing method based on IOS system

The invention discloses an automatic testing method based on an IOS system, and relates to the field of software testing, which comprises the following steps: S1, Windows system equipment is in communication connection with tested equipment, the Windows system equipment is used as a Client end, and the tested equipment is an ISO system; s2, the Client end obtains related information of the tested equipment through the basic information of the IOS system; s3, the server side is installed by the Client side according to the related information to serve as an IOS system of the tested equipment; s4, the Client side displays that the tested equipment is online; s5, the Client side sends a test task to the server side; s6, the server side executes the test task according to the details of the test task, collects test result data after the test is completed, and returns the test result data to the Client side; and the Client end and the server end realize communication between the windows system ...

Method for detecting crack of bridge deck slab

The invention relates to a method for detecting cracks of a bridge deck slab, which comprises the following steps of: firstly, selecting detection parts: selecting fatigue cracks at key positions in a steel box girder, and detecting points including weld cracks of a U rib and the bridge deck slab and cracks at bolting positions of high-strength bolts; selecting a damaged part of a bridge deck pavement layer; determining the position of a welding seam and cleaning a detection surface; positioning and marking the diaphragm plate and the U-shaped rib; the TOFD technology is adopted to detect whether cracks are generated at the top plate part corresponding to the U rib weld joint along the snapping line position; magnetic powder is adopted to confirm the upper surface of the through crack, and length and width measurement is carried out after an obvious phenomenon occurs; and finally judging the image and confirming a detection result. The method is high in detection speed, good in reliability ...

PNEUMATIC MEMBRANE BUILDING BOTTOM FIXING DEVICE AND PNEUMATIC MEMBRANE BUILDING

Provided are an pneumatic membrane building bottom fixing device, comprising a base body (200), an angle steel (300) arranged on the base body (200), a check curtain (400) connected with the angle steel (300), a first fixing device (500) and a second fixing device (600). The angle steel (300) comprises a bottom plate (310) and a side plate (320) which are arranged at an included angle. A film fixing portion (110) is sandwiched between the bottom plate (310) and the base (200). The check curtain (400) comprises a mounting body (410) jointed and fixed to the side plate (320), a first extending body (420) extending upwardly from one end of the mounting body (410) and a second extending body (430) extending downwardly from the other end of the mounting body (410). The pneumatic membrane fixing portion (110) is located between a first end (310) and a mounting portion (210). The first fixing device (500) sequentially passes through the bottom plate (310), the pneumatic membrane fixing portion ...

Needle assembly for liquid application device

The invention provides a needle assembly for a liquid applying device. The needle assembly comprises a needle shell, a needle bundle and an elastic tubular component. The needle shell comprises a body part, the body part is provided with a longitudinal channel, and the longitudinal channel comprises an upper opening end and a lower opening end. The elastic tubular member includes an upper end portion connected to the needle housing, a lower end portion connected to the needle bundle, an elastic tube portion connecting the upper end portion and the lower end portion, and a helical ridge extending on an outer surface of the elastic tube portion, or the elastic tube portion includes a first portion separated by a boundary and a second portion thinner than the first portion, the boundary spirally extends from the upper end part to the lower end part on the outer surface of the elastic tube part, or two inclined ridges which are oppositely arranged and obliquely extend are arranged on the outer ...

AIR-SUPPORTED FABRIC MEMBER

An air-supported fabric member (10), comprising multiple fabric units (100) and connection pieces (200). A fabric unit (100) comprises an outer fabric member (110), an inner fabric member (120), a first thermal insulation material layer (130), and a second thermal insulation material layer (140). The outer fabric member (110) and the inner fabric member (120) are spaced apart. A portion of the second thermal insulation material layer (140) is stacked with the first thermal insulation material layer (130), and another portion thereof extends beyond an edge of the first thermal insulation material layer (130). The air-supported fabric member (10) of the present invention provides an excellent thermal insulation effect.

GAME ROLE CONTROL METHOD AND CONTROL METHOD FOR VIRTUAL CONTROL COMPONENT

A game role control method, comprising: in response to a screen sliding operation of a user, acquiring a user initial indication position p1; monitoring a screen sliding operation track of the user, acquiring a user current indication position p2; calculating a movement distance length |u| ＝ |p2 - p1| between the user current indication position p2 and the user initial indication position p1; comparing the movement distance length |u| with a first pre-set threshold value S1, and when the movement distance length |u| is greater than the first pre-set threshold value S1, calculating a new position p1' ＝ p2 - (p2 - p1)/|u|*S1*k, k being a pre-set constant and k ＞ 0, and updating the user initial indication position p1 to be the new position p1'; and generating an operation instruction for controlling a game role according to a vector u ＝ p2 - p1. Also provided is a control method for a virtual control component. The operation of the control method is more flexible and smooth, thereby greatly ...

LIQUID LEVEL GAS FILM STRUCTURE

Provided is a liquid level gas film structure for covering the liquid level of a pond, comprising: a substrate (1), an inner film (3) and an outer film (2). The substrate (1) is sealingly fixed on the ground surrounding the pond. The inner film (3) and the outer film (2) are sealingly fixed on the substrate (1), wherein the outer film (2) is provided with an air supply port. The air supply port supplies air to the inside of the film, and the outer film (2) lifts so as to form a gas film space.

AIR-SUPPORTED MEMBRANE

Disclosed is an air-supported membrane (10), comprising a membrane body (100), a counterweight bag (200), a door (300), a connector (400) and door counterweights (500), wherein the counterweight bag (200) is connected to the membrane body (100); the connector (400) comprises a connecting body (410) and an extension (420) extending outwards from the connecting body (410), with the connecting body (410) being respectively connected to the membrane body (100), the counterweight bag (200) and the door (300), and the extension (420) being connected to the counterweight bag (200); and the door counterweights (500) abut against the extension (420).

Cooling tower water distribution uniformity testing method and matched testing device

The invention discloses a cooling tower water distribution uniformity testing method and a matched testing device.The testing method comprises the following steps that by moving the position of a water spraying testing device, the water spraying amount of all water collecting units at different positions can be obtained, and finally the water spraying uniform distribution coefficient at the same water spraying height is obtained through calculation; the distance between the water outlet of the spray head and the water collecting unit is adjusted through the lifting device for many times, the water spraying amount of each water collecting unit under different water spraying heights can be obtained, and therefore the linear relation that the water spraying uniform distribution coefficient of the spray head changes along with the spraying height under the experiment spraying interval condition is obtained; the distance between the nozzles is changed for multiple times, so that the variation ...

AIR-SUPPORTED FABRIC MEMBER

An air-supported fabric member (10), comprising fabric units (100) and connection pieces (200). The number of the fabric units (100) is plural, and any two adjacent fabric units (100) are connected by means of a connection piece (200). A fabric unit (100) comprises: an outer fabric member (110); an inner fabric member (120) spaced apart from the outer fabric member (110); a first thermal insulation material layer (130) provided between the outer fabric member (110) and the inner fabric member (120); and a second thermal insulation material layer (140) fixed to the side of the inner fabric member (120) facing the first thermal insulation material layer (130) and covering the inner fabric member (120). The air-supported fabric member of the present invention enables formation of a continuous thermal insulation structure in the fabric unit, thus effectively improving a thermal insulation effect of the air-supported fabric member.

AIR CONDITIONER CONTROL METHOD AND DEVICE, STORAGE MEDIUM, AND PROCESSOR

An air conditioner control method and device, a storage medium, and a processor. The method comprises: receiving a first scenario parameter corresponding to a first air conditioner (S102); determining a first configuration parameter from an association rule according to the first scenario parameter, wherein the association rule is established according to multiple groups of data, the multiple groups of data comprises a configuration parameter by which a predetermined user configures the air conditioner in a predetermined scenario and a scenario parameter in the predetermined scenario, the configuration parameter and the scenario parameter having appeared in the past, and the association rule is used for indicating a configuration parameter having the highest probability of occurrence in the data when the first scenario parameter appears (S104); and sending the first configuration parameter, wherein the first configuration parameter is used for controlling operation of the first air conditioner ...

Protective power generation device of sea-crossing pier

The invention discloses a protective power generation device of a sea-crossing pier, relates to the technical field of bridge engineering, and provides a floating enclosure device which can be arranged on the sea-crossing pier in a floating and sleeving mode. The power generation conversion device is inserted into the floating enclosure device in a penetrating manner, and a power conversion wheel is arranged at the bottom of the power generation conversion device; the cantilever device is slidably arranged on the sea-crossing pier in a sleeving mode and located below the floating enclosure device; one end of the flexible steel cable is fixedly connected with the additional balance weight, the other end of the flexible steel cable is fixedly connected with the cantilever device, the additional balance weight falls down in the circumferential direction of the cantilever device, and the power conversion wheel is wound around the middle of the flexible steel cable; when waves enable the floating ...

INFLATION AND PRESSURIZATION SYSTEM AND AIR SUPPORTED BUILDING

An inflation and pressurization system is used to inflate a two-layer air supported building. The two-layer air supported building comprises a first space (110) collectively defined by an inner layer film (210) and a building foundation (100), and a second space (120) collectively defined by the inner layer film (210) and an outer layer film (220). The inflation and pressurization system (300) comprises: a first airtight chamber (361), wherein a first air supply port (311), and a first ventilation port (3131) used to supply air to the first airtight chamber (361) are provided in the first airtight chamber (361), and the first air supply port (311) communicates with the first space (110); a first fan group (324) used to supply air to the first airtight chamber (361); a second airtight chamber (362), wherein a second air supply port (312), and a second ventilation port (3132) used to supply air to the second airtight chamber (362) are provided in the second airtight chamber (362), and the ...

Ultralow-frequency tuning lever mass inertial damper and parameter design method thereof

The invention relates to the technical field of bridge vibration reduction, in particular to an ultralow-frequency tuning lever mass inertial mass damper and a parameter design method thereof, and the damper comprises a lever, a mass block, a spring and an inerter mechanism. The middle of the lever is rotatably arranged on a structure to be subjected to vibration reduction, and the lever is divided into a power arm and a resisting arm. The mass block is arranged on the power arm; one end of the spring is connected with the resisting arm, and the other end is connected with the to-be-damped structure; the inerter mechanism comprises an arc-shaped rack, a rotating shaft, a flywheel and a gear; the rotating shaft is rotationally connected with the power arm; the flywheel is arranged on the rotating shaft; the gear is arranged on the rotating shaft, the arc-shaped rack is fixedly arranged and matched with the gear, and when the power arm swings, the gear rotates relative to the arc-shaped rack ...

VEHICLE POSITION DETECTING METHOD AND VEHICLE POSITION DETECTING SYSTEM

A vehicle position detecting method comprises the steps of: continuously detecting a detecting area and generating a sensing signal by a sensor (S100); continuously determining whether a sudden change is generated in the sensing signal, and starting timing if the sudden change is generated (S200); stopping timing when it reaches a preset time, and determining whether a vehicle is present in the sensing area or not if the sensing signal received when the timing is stopped is not restored to the sensing signal that is before the sudden change (S300); the sudden change referring to that the sensing signal variation per unit time exceeds a preset range. A vehicle position detecting system is also provided.

AIR CONDITIONER CONTROL METHOD AND DEVICE, AND AIR CONDITIONING DEVICE

An air conditioner control method, comprising: obtaining object information of at least one of objects within a preset region (S102); processing the object information of the at least one object by using a preset model to obtain operation data of the air conditioning device corresponding to the at least one object (S104), wherein the preset model is obtained by using a plurality of sets of data by means of neural network learning and training, and each set of the plurality of sets of data comprises the object information and the operation data corresponding to the object information; and controlling the air conditioning device to adjust an environment parameter of a sub region where the object is located according to the operation data corresponding to the at least one object (S106). In addition, further disclosed are an air conditioner control device and an air conditioning device.

Non-isolated measuring circuit and measuring method for alternating-current voltage signal containing direct-current bias

The invention relates to the technical field of alternating-current voltage measurement, in particular to a non-isolated measuring circuit and method for an alternating-current voltage signal containing direct-current bias. The measuring circuit comprises a sampling circuit, a high-pass filtering circuit, a proportional amplifying circuit and a multi-feedback low-pass filtering and level boosting circuit. The sampling circuit can adjust the level of a signal to be measured to a level range allowed by the measuring circuit, the high-pass filter circuit can filter direct-current bias in an input signal, meanwhile, the proportional amplification circuit is adopted to properly amplify the amplitude of an alternating-current signal output by the high-pass filter circuit, and the multi-feedback low-pass filter circuit is adopted to amplify the amplitude of the alternating-current signal output by the high-pass filter circuit. The method comprises the following steps: filtering high-frequency ...

COMBINED AIR PASSAGE FOR AIR-SUPPORTED BUILDING AND AIR-SUPPORTED BUILDING

Provided are a combined air passage for an air-supported building and an air-supported building. The combined air passage for an air-supported building comprises: a composite passage (21), wherein the composite passage (21) comprises an intermediate air inlet port (211) and an intermediate air outlet port (212); an air inlet passage (24), wherein one end of the air inlet passage (24) is in communication with the intermediate air inlet port (211); an air blowing device (22), wherein an air outlet port of the air blowing device (22) is in communication with the other end of the air inlet passage (24), and an air inlet port of the air blowing device (22) is in communication with an outdoor space; a temperature adjustment device (23), wherein an air inlet port of the temperature adjustment device (23) is in communication with the intermediate air outlet port (212), and an air outlet port of the temperature adjustment device (23) is in communication with an indoor space. The above method realizes ...

Timing method and device, equipment and storage medium

The invention discloses a timing method, device and equipment and a storage medium, and belongs to the technical field of timing. The method comprises the steps of obtaining a second timestamp of a current calibration period and a first timestamp at a timing start moment, obtaining a first time difference between the first timestamp and the second timestamp, and obtaining a timing result according to a timing number and the first time difference. Therefore, compared with one addition or one subtraction operation of a timer in the prior art, the precision of a timestamp timing mode adopted by the method is obviously higher, each minimum timing unit at least comprises two calibration periods, namely, the timing result is obtained through at least two times of timestamp calculation, so that the timing result is continuously calibrated, and the accuracy of the timing result is improved. Therefore, the timing error can be reduced, the displayed time is more accurate, and the situation of accuracy ...

AIR-INFLATION PRESSURIZATION SYSTEM AND AIR-SUPPORTED MEMBRANE STRUCTURE

An air-inflation pressurization system, applied to inflate a dual-layer air-supported membrane structure. The dual-layer air-supported membrane structure comprises a first space (110) enclosed with an inner membrane (210) and a structure foundation (100) as well as a second space (120) enclosed with the inner membrane (210) and an outer membrane (220). The air-inflation pressurization system (300) comprises: an air-tight chamber (310), the air-tight chamber (310) being provided with a first air supply port (311), a second air supply port (312), and an air vent (313) for enabling air intake of the air-tight chamber (310), the first air supply port (311) being communicated with the first space (110), and the second air supply port (312) being communicated with the second space (120); and a fan set (320) for supplying air for the air-tight chamber (310). Also provided is an air-supported membrane structure inflated by using the air-inflation pressurization system. Inflating the air-supported ...

High-reliability power-consumption-saving focusing locking and unlocking control method

The invention relates to a high-reliability and power-consumption-saving focusing locking and unlocking control method, which comprises the following steps of: performing power-on control on a single phase of a focusing motor by adopting two control branches to realize locking and unlocking of the motor before a satellite is launched and injected into an orbit and imaging, the second control branch is a focusing locking and unlocking circuit; before a satellite is launched into an orbit, the first control branch is not powered up, and a single-phase coil of the focusing motor is grounded and conducted through the second control branch to realize locking of the focusing motor; after a satellite is launched into an orbit, the second control branch circuit acts, the single-phase coil of the focusing motor is not grounded any more, meanwhile, the first control branch circuit is powered up, and the first control branch circuit controls the focusing motor to complete focusing according to use ...

Miniaturized surface wave test system

The invention discloses a miniaturized surface wave test system, which comprises a miniature darkroom, a transmitting antenna, a receiving antenna and a to-be-tested material bracket, one surface of the miniature darkroom can be opened or is provided with an operation hole; the transmitting antenna and the receiving antenna are symmetrically arranged in the miniature darkroom and are arranged on the to-be-tested material bracket through the antenna bracket; the transmitting antenna and the receiving antenna each comprise two metal sheets, one ends of the two metal sheets are attached, and the other ends of the two metal sheets are bent to form an opening. A material to be tested is arranged between the two openings; the transmitting antenna is connected with the transmitting radio frequency cable adapter through a transmitting radio frequency cable, and the receiving antenna is connected with the receiving radio frequency cable adapter through a receiving radio frequency cable; and the ...

Insulation resistance value control method and device of fuel cell vehicle, vehicle and medium

The invention relates to the technical field of fuel cell automobiles, in particular to an insulation resistance value control method and device of a fuel cell automobile, a vehicle and a medium, and the method comprises the following steps: detecting the actual conductivity of a hydrothermal management loop; calculating an insulation resistance value of the fuel cell system according to the actual conductivity, and judging whether the insulation resistance value is smaller than a preset resistance value corresponding to the current working state of the fuel cell automobile; if the insulation resistance value is smaller than the preset resistance value corresponding to the current working state, the deionization assembly is controlled to work according to a control strategy corresponding to the current working state, and the deionization assembly is controlled to stop working until the insulation resistance value is larger than or equal to the preset resistance value corresponding to the ...

AIR-SUPPORTED MEMBRANE STRUCTURE AND COMBINED AIR DUCT THEREFOR

Disclosed are a combined air duct (100), and an air-supported membrane structure comprising the combined air duct (100). The combined air duct (100) comprises a complex channel (110), a dehumidifying air duct (120), a temperature adjusting air duct (130), an air supply device (140), a dehumidifying device (150) and an air conditioning device (160), wherein the complex channel (110) comprises a complex channel body (111), a first protruding channel (113), a second protruding channel (115) and a third protruding channel (117), and the complex channel body (111) is arranged inside a body (200) of the air-supported membrane structure; the dehumidifying air duct (120) comprises a dehumidifying air duct body (121) and a fourth protruding channel (123) in communication with each other; the temperature adjusting air duct (130) comprises a temperature adjusting air duct body (132) and a fifth protruding channel (134) in communication with each other; the air supply device (140) is in communication ...

AIR-SUPPORTED STRUCTURE, AND AIR SUPPLY PIPELINE STRUCTURE THEREOF

An air-supported structure (10), and air supply pipeline structure (300) thereof. The air-supported structure (10) comprises a fan (100), and a structural fabric main body (200). The air supply pipeline structure (300) comprises an expandable and contractible air supply pipe (310), a support frame (320), and a fastening ring. During operation of the fan (100), an airflow from the fan (100) passes through the expandable and contractible air supply pipe (310) and then an air inlet (210), and enters an internal cavity of the structural fabric main body (200). The structural fabric main body (200) has a stable shape after inflated. The air supply pipeline (310) is located above the ground. Therefore, the present invention enables fast and convenient air supply to an internal cavity of the structural fabric main body (200) without establishing an underground air supply pipe, thus reducing construction complexity and costs.

GAS FILM REINFORCING CABLE AND GAS FILM BUILDING

Provided are a gas film reinforcing cable and gas film building. The gas film reinforcing cable comprises a connection assembly (100), multiple fixing assemblies (400) installed on a base body (20), a cable (200) connected between the connection assembly (100) and the fixating assembly (400), and at least one additional cable (300). The additional cable (300) is connected between the cable (200) and the connection assembly (100) or between the cable (200) and the corresponding fixing assembly (400). The length of the cable (200) is extended by the additional cable (300) so that the gas-film reinforced cable can adjust a gas film pressing force, and that the force of the gas-film reinforced cable is uniformly extended, enabling a longer service life.

Fusion sensing method and system based on multi-source vehicle-mounted equipment

The invention relates to the technical field of fusion perception, in particular to a fusion perception method and system based on multi-source vehicle-mounted equipment. The method comprises the following steps: acquiring environment data around a vehicle and vehicle state data; performing time synchronization on the acquired environment data and the vehicle state data; performing feature extraction on the environment data after time synchronization; and fusing the extracted features of the environment data and the vehicle state data by using a fusion algorithm to obtain a sensing result. According to the invention, global tracking is carried out on a target detected by multiple sensors, so that the functions of environment perception, obstacle detection, trajectory prediction, early warning information, navigation and the like can be effectively realized. The equipment can identify a front sidewalk, a traffic roadside identifier, a traffic signal lamp, a road terrain and road condition ...

AIR FILM BUILDING AND BASEMENT THEREOF

An air film building basement comprises multiple basement modules (110). The multiple basement modules (110) are used to be placed on the ground end to end. The basement modules (110) comprise straight structure and L-shaped structure. The basement is low in construction cost, short in construction period and suitable for always moving or the situation in which original ground surface can not be modified or damaged.

Drilling tool for controlling torque transmission

The invention relates to a tool for reducing friction and torsion and orienting during well drilling in petroleum and natural gas, in particular to a well drilling tool for controlling torque transmission. The invention aims to provide a drilling tool for controlling torque transmission aiming at the problems in the prior art, and the drilling tool comprises an upper joint, an upper outer shell, a flange nut, an upper sealing bearing, a transmission mandrel, a large sealing ring, a small sealing ring, a torque transmission cylinder, a thick spring, a connecting cylinder, a thin spring, a separation circular ring, a lower outer shell and a lower joint; the tool is placed at a certain underground position, the tool can control partial rotation and overall rotation of a drill column, when acceleration and stable inclination are needed, the tool is started to achieve composite drilling, and the underground drill column and a drilling tool integrally rotate; when angle-increasing orientation ...

AIR-SUPPORTED MEMBRANE

Disclosed is an air-supported membrane (10), comprising a membrane body (100), a counterweight bag (200), a filler (300), a connecting plate (400) and fasteners (500), wherein the membrane body (100) is provided with a first fixing position (110); the counterweight bag (200) is provided with a receiving cavity (210), a second fixing position (220) and an opening (230), with both the receiving cavity (210) and the second fixing position (220) being in communication with the opening (230); the filler (300) is located within the receiving cavity (210); the connecting plate (400) is provided with installation holes (410), and the connecting plate (400) abuts against one of the membrane body (100) and the counterweight bag (200); and the fasteners (500) sequentially penetrate through the installation holes (410), the first fixing position (110) and the second fixing position (220) to connect the membrane body (100), the counterweight bag (200) and the connecting plate (400) together.

AIR DOME CONSTRUCTION AND EMERGENCY LIGHTING LAMP THEREOF

An air dome construction (10) and an emergency lighting lamp (200) thereof, comprising: a lamp housing (210) provided with a light outlet (211); a connecting member (220) connected between the lamp housing (210) and an air dome (100), wherein the connecting member (220) may hang the lamp housing (210) on the air dome (100); a first light-emitting unit (240), which is disposed inside the lamp housing (210) and disposed facing the air dome (100), wherein light emitted by the first light-emitting unit (240) passes through the light outlet (211) and is emitted toward a side of the connector (220) and irradiated on the air dome (100); a plurality of second light-emitting units (230), which are uniformly distributed on a side of the lamp housing (210) facing away from the air dome (100); and a power supply, which is mounted on the lamp housing (210), the power supply being electrically connected to the second light-emitting unit (230) and being capable of supplying power to the second light-emitting ...

Method and device for determining multiply-add sum, electronic equipment and storage medium

The invention provides a multiply-add-sum determination method and device, electronic equipment and a storage medium, and relates to the technical field of computers.The method comprises the steps that at least one target fragment is determined based on at least one set of operands; each group of operands comprises a first operand and a second operand; the data precision of the first operand is q bits, and the data precision of the second operand is p bits; q and p are positive integers; generating a target product flag bit of at least one target product based on each target fragment; generating the weight of each target product based on each target product flag bit and the symbol flag bit corresponding to each group of operands; and based on each target product and the weight of each target product, determining a multiplication-addition sum corresponding to the at least one group of operands. According to the method provided by the invention, redundant calculation is reduced, so that the ...

Microwave wireless energy transmission and battery combined power supply method applied to unmanned aerial vehicle

The invention discloses a microwave wireless energy transmission and battery combined power supply method applied to an unmanned aerial vehicle, and the method comprises the steps: obtaining an unmanned aerial vehicle battery rated output voltage range and an unmanned aerial vehicle load working voltage range, and respectively recording the ranges as V2-V3 and V4-V5; setting an output voltage value of the output end of the microwave wireless energy transfer system of the unmanned aerial vehicle as V1, wherein the value satisfies V5gt; v1gt; v3gt; v2 > = V4; a direct-current voltage boosting and stabilizing module is additionally arranged at the output end of the unmanned aerial vehicle microwave wireless energy transmission system and used for adjusting the output voltage value of the output end of the unmanned aerial vehicle microwave wireless energy transmission system so that the output voltage value can be stabilized at a set value V1. The positive and negative electrodes of the output ...

Expression replacement method, terminal equipment and storage medium

The invention discloses an expression replacement method. The method comprises the following steps of S10, judging an obtained character string str; s20, an array array is initialized; s30, the parameters are initialized; s40, firstly judging whether the subscript index is equal to the array length count-1 or not; s50, the elements of the array array are spliced; s60, the elements of the subscript index are spliced, and a character string ss2 is formed; s70, when the subscript index is larger than count-1, the circulation is ended; and S80, returning a result of the result of the character string. The method has the beneficial effects that the emoji expression position corresponding to the character string can be found, and the emoji expression is replaced by the required character, so that the occurrence of messy codes is reduced.

AIR-SUPPORTED MEMBRANE STRUCTURE AND INTERNAL VENTILATION DUCT FOR SAME

An internal ventilation duct system for an air-supported membrane structure, comprising: a duct wall (410), which is arranged on an inner side of an air-supported membrane main body (200); an internal ventilation duct (201), jointly formed by the duct wall (410) and the air-supported membrane main body (200); an air inlet (210), provided on the air-supported membrane main body (200), air sent by a blower (100) entering the internal ventilation duct (201) by means of said air inlet (210); and a plurality of air outlets (411), arranged at an interval on the duct wall (410) at a position that is away from a bottom portion thereof. Also provided is an air supported membrane structure which comprises the internal ventilation duct structure. The positions of the air outlets of the present structure are relatively high up, which serves to avoid interfering with activities of personnel underneath, and to prevent a local flow rate from becoming too high.

COLD STORAGE SYSTEM, AIR FILM BUILDING AND EMERGENCY DOOR STRUCTURE THEREOF

A cold storage system, air film building (10) and emergency door structure (200) thereof, the emergency door structure (200) comprising a mounting base (220), a first door assembly (240), a second door assembly, (260) and a soft connection film (280); both the first door assembly (240) and the second door assembly (260) are connected to the mounting base (220) and are disposed at an entrance and an exit respectively; the soft connection film (280) is located at a connection between the exit and the interior of an air film body (100), and the soft connection film (280) is connected to the exterior of the mounting base (220) and the exterior of the air film body (100) respectively so as to seal a space between the mounting base (220) and the air film body (100). The air film building (10) comprises the air film body (100) and the emergency door structure (200). The cold storage system comprises the air film building (10) and a refrigeration device, the refrigeration device being disposed ...

Storage subassembly and have refrigeration plant of this storage subassembly

... 本实用新型提出了一种储藏组件及具有该储藏组件的制冷设备，包括：容器，所述容器包括底部以及多个从所述底部向上延伸的壁以形成容纳空间；分隔件，用于将所述容纳空间分隔成至少两个储存区域，所述分隔件可选择地安装于多个安装位置中任意一个以调节所述储存区域的容积，其特征在于，至少一个所述壁上设有多个通孔，所述分隔件具有插入部，所述插入部适于插入任意一个通孔以将分隔件安装于与通孔对应的安装位置。如此用户可以根据存放食物的品种或大小而轻易调整分隔件的安装位置，从而更加有效地利用整个容器的容纳空间。此外本实用新型还提出了一种具有上述储藏组件的制冷设备。 ...

Stay cable damper and combined type stay cable damping device

The invention discloses a stay cable damper and a combined stay cable damping device, and relates to the technical field of structural vibration.The device comprises a cable clamp used for being arranged on a stay cable in a clamped mode; the stay cable is sleeved with the containing box, a gap is reserved between the stay cable and the containing box, and the containing box is provided with an annular containing space used for containing viscous materials; and the insertion plate assembly is arranged on the outer side of the cable clamp, and the insertion plate assembly is inserted into the viscous material. When the stay cable damper is used, the cable clamp is arranged on a stay cable in a clamping mode, the stay cable is sleeved with the containing box, a gap is reserved between the containing box and the stay cable, the containing box does not vibrate when the stay cable vibrates, the containing box is provided with a containing space arranged on the outer side of the stay cable in ...

Device for measuring water level in pipeline

The invention provides a device for measuring the water level in a pipeline, a well lid is arranged on the pipeline, the well lid comprises a well lid body, the device is fixed on the lower surface of the well lid body, the device comprises a mounting box body, a main control module, a connecting rod and a laser ranging module, the main control module comprises a main control chip and a power supply, and the main control chip is connected with the connecting rod. A power interface of the main control chip is electrically connected with the power supply, and the main control chip and the power supply are fixedly arranged in the mounting box body; one end of the connecting rod is fixed at the central part of the bottom of the mounting box body; and the laser ranging module is fixed at the other end of the connecting rod and is in communication connection with the main control chip. The invention can provide a novel device for measuring the water level in the pipeline so as to achieve the ...

Heart rate PPI effective data detection method and device, equipment and storage medium

The invention relates to the technical field of heart rate acquisition, and discloses a heart rate PPI effective data detection method, device and equipment and a storage medium, and the method comprises the following steps: acquiring a current distance through a distance sensor; determining whether a user is worn or not according to the current distance; under the condition that the user is worn, the use state of the user is collected through the gravity sensor; when the use state is a motion state, heart rate data are collected; and acquiring peak point time interval data of effective peaks according to the heart rate data. Whether heart rate data is collected or not is determined by judging whether a user wears the device or not and judging the motion state of the user, meanwhile, invalid data are removed through traversal to obtain effective heart rate PPI data, detection of the effective heart rate PPI data is achieved, and therefore the effectiveness of the heart rate PPI data can ...

Fuel cell engine net power control method, device, equipment and medium

The invention relates to the technical field of vehicle fuel cell engine control, and provides a fuel cell engine net power control method, device and equipment and a medium, and the method comprises the steps: obtaining a net power request value and a net power real-time output value of a fuel cell engine; determining the power load state of the fuel cell engine according to the net power request value and the net power real-time output value; according to the net power request value and the net power real-time output value, obtaining a first control parameter corresponding to the up-loading amplitude and a second control parameter corresponding to the down-loading amplitude, and according to the net power request value, obtaining a third control parameter corresponding to the steady-state power; calling the first control parameter or the second control parameter or the third control parameter as an actual control parameter according to the power load state; and according to the actual ...

Bridge shock absorption and energy consumption device and bridge with shock absorption device

The invention discloses a bridge shock absorption and energy consumption device and a bridge with the shock absorption device, and relates to the technical field of bridge engineering.The device comprises at least one amplification assembly, and the amplification assembly comprises at least one swing dowel bar and a swing rotating shaft perpendicularly penetrating through the middles of all the swing dowel bars; the axial direction of the swing rotating shaft is arranged in the longitudinal direction of the main beam, the swing rotating shaft and the pier column are relatively fixed in the transverse direction, the swing rotating shaft divides the swing dowel bar into a connecting section and an amplifying section, and the end of the connecting section generates transverse displacement along with transverse vibration of the main beam. The upper side of the metal damping assembly is connected with the end of the amplification section and used for providing a damping effect. The swing dowel ...

FULL-BRIDGE MMC ACTIVATION CONTROL METHOD, SYSTEM, AND STORAGE MEDIUM

A full-bridge modular multilevel converter (MMC) activation control method and system: each phase bridge arm among a three-phase bridge arm comprises at least two sub-bridge arms, and each sub-bridge arm comprises thereon a full-bridge MMC sub-module; the direction of a current which flows through each sub-bridge arm is detected (S301); a working state of an auxiliary circuit breaker on a corresponding sub-bridge arm, which is connected in parallel to a full-bridge MMC sub-module, is determined according to the detected current direction (S302); whether the full-bridge MMC sub-module on the corresponding sub-bridge arm continues to carry out charging is determined by means of the working state of the auxiliary circuit breaker (S303). As such, direct current bus voltage will not experience significant sudden changes during unlocking, greatly reducing impact current during unlocking, and improving the security and reliability of a system.

CONSTRUCTION METHOD OF AIR FILM BUILDING AND TENSION ADJUSTING STRUCTURE FOR CONSTRUCTION METHOD, AND AIR FILM BUILDING BASE

A construction method of an air film building and a tension adjusting structure for the construction method, and an air film building foundation. A tension adjusting structure (100) comprises a base (110), a support piece (120), and a movable arm (130), wherein the support piece (120) is fixedly provided on the base (110); one end of the movable arm (130) is used for being connected to a first flexible connection piece (30), and the other end of the movable arm (130) is used for being connected to a second flexible connection piece (40). By using a tightening device to adjust the first flexible connection piece (30), the second flexible connection piece (40) can form a slope on the ground or is approximately parallel to a top surface of an air film building foundation (10) and is in a tension state; the slope or a plane formed by a plurality of the second flexible connection pieces (40) can stably convey an air film body (20) to the top surface of the air film building foundation (10), ...

BASE SECURING DEVICE FOR AIR-SUPPORTED STRUCTURE, AND AIR-SUPPORTED STRUCTURE

A base securing device for an air-supported structure, the device comprising a base body (200), a pressing board (300), and a first securing device (500). The base body (200) comprises a base portion (220) and a mounting portion (210). The mounting portion (210) is an inclined surface arranged in a direction of a structural fabric securing portion (110). The structural fabric securing portion (110) is arranged on the mounting portion (210). The pressing board (300) is a planar board, and has one end portion disposed on the structural fabric securing portion (110). The structural fabric securing portion (110) is located between a first end portion (310) and the mounting portion (210). The first securing device (500) passes through the first end portion (310), the structural fabric securing portion (110), and the mounting portion (210) sequentially, and connects the structural fabric securing portion (110) and the pressing board (300) to the base body (200). An air-supported structure comprises ...

TRANSIENT VOLTAGE CONTROL METHOD AND APPARATUS FOR ULTRA-HIGH-VOLTAGE HYBRID DIRECT-CURRENT POWER TRANSMISSION SYSTEM

A transient voltage control method and apparatus for an ultra-high-voltage hybrid direct-current power transmission system. The method comprises: superimposing an LCC direct-current voltage reference value Udcref output by upper control onto a voltage adjustment amount ΔUdcLCC processed by a transient voltage controller, and outputting a final LCC direct-current voltage reference value; after calculating the difference between a direct-current voltage actual value UdcLCC and the final LCC direct-current voltage reference value, inputting same into a PI controller for adjustment, and outputting a cosine value of a trigger angle; and by means of inverse cosine calculation, outputting a trigger angle of an inverter station. In the method, after a fault in an alternating-current system is cleared, an LCC transient voltage controller appropriately reduces a voltage reference value according to a VSC overvoltage situation and a voltage drop of a direct-current line, such that during a system ...

Hinge device of vault door

The utility model discloses a hinge device of a vault door, which comprises a door frame, a door body and hinges, the door body is embedded in the side wall of the inner cavity of the door frame, the top and the bottom of the left side wall of the door body are respectively and correspondingly provided with two hinges, and a connecting rod is arranged between the hinges. The door body is connected to the inner cavity of the door frame through the upper hinge and the lower hinge, the connecting rods arranged between the hinges improve the stability of the hinges, the situation that the door body deforms and inclines in the hinge fixing direction is prevented, and the fixing bases above and below the hinges further improve the stability of hinge connection. The driving device on the outer side of the door frame drives the driven wheel on the connecting rod to rotate so as to drive the connecting rod to rotate, automatic door opening and closing of the door body can be achieved, the use convenience ...

Drainage control method, device and equipment of hydrogen fuel cell and medium

The invention discloses a drainage control method of a hydrogen fuel cell, which comprises the following steps: acquiring real-time current of the hydrogen fuel cell, and obtaining a real-time current integral value based on the real-time current; whether the water and hydrogen discharging electromagnetic valve meets the opening condition or not is judged based on the real-time current integral value; when the water and hydrogen discharging electromagnetic valve meets the opening condition, the water discharging time is determined based on the real-time current and a pre-constructed current-water discharging time incidence relation list or graph; and controlling the water and hydrogen discharge electromagnetic valve according to the water discharge time so as to complete water discharge control of the hydrogen fuel cell. According to the method, correction factor calibration in equivalent current integral correction and integral threshold determination under multiple working conditions ...

Hydrogen storage system of fuel cell and fuel cell vehicle

The invention discloses a hydrogen storage system of a fuel cell, which comprises a hydrogen storage bottle and a bottle opening valve, the bottle opening valve is connected with the hydrogen storage bottle, so that a closed space is formed in the hydrogen storage bottle; the temperature sensor is integrated on the hydrogen storage bottle and is used for collecting the temperature of hydrogen in the hydrogen storage bottle; the first pressure sensor is used for collecting the pressure of hydrogen in the hydrogen storage bottle; the high-pressure pipeline is respectively connected with the at least one bottleneck valve and the fuel cell and is used for conveying the hydrogen to the fuel cell; the first controller is used for controlling the opening and closing state of the bottle opening valve; and the second controller is used for sending a control instruction to the first controller according to the working request of the fuel cell. The temperature sensor is separated from the bottle opening ...

BALL SPORTS FACILITY MANAGEMENT METHOD AND SYSTEM, INDICATION DEVICE, AND ELECTRONIC APPARATUS

Provided are a ball sports facility management method and system, indication device, and electronic apparatus, the method comprising: sending a booking inquiry request to a server (21); receiving booking information with respect to a court corresponding to an indication device (22) and returned by the server (21) according to the booking inquiry request; obtaining a current time; displaying a first color by an indicator light (301) of the indication device (22), when the current time reaches or exceeds a booking start time, and when a duration between the current time and a booking end time is greater than a first duration threshold; displaying a second color by the indicator light (301) of the indication device (22) when the duration between the current time and the booking end time is less than or equal to the first duration threshold but is greater than a second duration threshold; and displaying a third color by the indicator light (301) of the indication device (22) when the duration ...

BOTTOM FIXING DEVICE FOR AIR FILM BUILDING, AND AIR FILM BUILDING

A bottom fixing device for an air film building is mounted on a base (200), and is used for fixing a preprocessed film material (100) and a steel cable (700). The film material (100) comprises an air film fixing portion (110) and an air film body (120). The bottom fixing device for an air film building comprises an angle steel section (300), a first fixing device (500), and a second fixing device (600). The angle steel section (300) comprises a bottom plate (310) and side plates (320) between which an included angle greater than 90° and less than or equal to 150° is formed, and is disposed on the base (200). The air film fixing portion (110) is sandwiched between the bottom plate (310) and the base (200). The first fixing device (500) sequentially passes through the bottom plate (310), the air film fixing portion (110) and the base (200), and is fastened to the base (200). The second fixing device (600) comprises a connection rod (620). The connection rod (620) is disposed on the side plates ...

FLEXIBLE DIRECT-CURRENT POWER DISTRIBUTION NETWORK SINGLE-POLE GROUND FAULT RECOGNITION METHOD AND APPARATUS, AND STORAGE MEDIUM

A flexible direct-current power distribution network single-pole ground fault recognition method and apparatus, and a computer storage medium. The method comprises: 1) acquiring a current in and a voltage to ground at a positive direct-current bus on an outlet of a converter, a current in and a voltage to ground at a negative direct-current bus, a positive current of a direct-current line connected to the positive direct-current bus and a negative current of a direct-current line connected to the negative direct-current bus (101); and 2) when the absolute value of the sum of the voltage to ground at the positive direct-current bus on the outlet of the converter and the voltage to ground at the negative direct-current bus is greater than a pre-set voltage threshold, and a differential current change rate between the current in the positive direct-current bus on the outlet of the converter and the positive current in a direct-current line connected to the positive direct-current bus, or between ...

Method of purification selection breeding of Pingwu red chicken

... 本发明公开了种平武红鸡的提纯选育方法，采用大群体高淘汰的表型选育方式，通过个体表型选择，筛淘羽色、胫色和肤色等非保种群特征个体，从而实现保种群致性提升。经选育平武红鸡的表型杂合率由G0世代的31.38％分别降至G1、G2、G3世代的1.55％、0.88％和0.34％，平武红鸡种群的外观致性显著提升；平武红鸡种蛋受精率由81.1％提升至91.23％，孵化率也超过85％；从种群体尺测定和体重测定结果来看，群体致性明显提升。此种提纯选育方式具有提纯速度快、效果好等优点。经过3个世代的选育，平武红鸡纯度提升明显，为平武红鸡的保种、挖掘与利用等奠定了基础。 ...

Two-dimensional code generation method and device, processor and electronic authentication system

The invention provides a two-dimensional code generation method and device, a processor and an electronic authentication system. The method comprises the steps that a digital certificate and a digital signature of a two-dimensional code issuing user are acquired, the digital certificate is obtained by registering the two-dimensional code issuing user on a security authentication platform, the digital certificate comprises a public key and identity information of the two-dimensional code issuing user, and the digital signature is a signature encrypted through a private key of the two-dimensional code issuing user; and encoding the two-dimensional code bearing information, the digital certificate and the digital signature to generate the two-dimensional code. According to the two-dimensional code generation method, the digital certificate and the digital signature of the two-dimensional code issuing user are added into the two-dimensional code, so that the identity of the two-dimensional ...

Preparation and application of recycled fiber concrete of timing belt

The invention provides preparation and application of recycled fiber concrete for a timing belt, and the recycled fiber concrete is prepared from the following raw materials in parts by weight: 710 parts of cement, 230 parts of recycled fiber, 350 parts of aggregate, 8 parts of a water reducing agent, 260 parts of water, 370 parts of fly ash, 18 parts of a defoaming agent and 75 parts of a viscosity reducer, the recycled fiber of the timing belt is combined with the concrete, and the problems that the concrete is low in tensile strength and easy to crack are solved. The service life is prolonged, potential safety hazards are prevented, meanwhile, the timing belt recycled fiber concrete is applied to preparation of cement prefabricated parts, the tensile strength of the prefabricated parts is enhanced, cracking is prevented, the strength of the concrete is enhanced while recycled fibers are consumed, and on the premise that it is guaranteed that the performance of the concrete meets the ...

Target state determination method, determination system, and storage medium

The embodiment of the invention provides a target state judgment method and system and a storage medium, and belongs to the technical field of automatic driving. The method comprises the steps that in the parking process, moving track information of a target is collected and judged in real time; based on a track point caching algorithm, moving track information of the judgment target is cached; based on the cached moving track information of the judgment target, respectively executing moving state judgment corresponding to the judgment target; and performing dynamic and static state judgment on the current judgment target based on the moving state of the current judgment target. According to the scheme, the problem that in the low-speed state, due to the fact that the sensor cannot accurately sense the moving state of the low-speed target, the dynamic and static states of the target are judged mistakenly is solved.

Intelligent force measuring support and rapid sensor replacement method thereof

The invention relates to an intelligent force measuring support and a rapid sensor replacement method thereof, and the support comprises a sensor backing plate which is provided with an accommodation groove; the support body is arranged in the containing groove and used for being connected with a main beam. The force measuring sensor is arranged at the bottom of the accommodating groove and is used for monitoring the stress condition of the support main body; when the support body is embedded into the containing groove and makes contact with the force transducer, the height of the portion, sinking into the containing groove, of the support body is smaller than the thickness of the replacement base plate. When the force transducer needs to be replaced, only the main beam needs to be supported to remove the pressure borne by the replacement base plate, or the main beam is jacked up by 1-2 mm to separate the sensor base plate from the replacement base plate, then the replacement base plate ...

Multidirectional ultralow-frequency tuned mass damper and parameter setting method thereof

The invention relates to the technical field of bridge engineering, in particular to a multidirectional ultralow-frequency tuned mass damper and a parameter setting method thereof. The multidirectional ultralow-frequency tuned mass damper comprises a mass block, a swing assembly and a damping piece. The swing assembly comprises at least one swing piece, the swing piece comprises a tension spring and a swing rope, the ends of the tension spring and the swing rope are connected, the other end of the tension spring is connected with the mass block, and the other end of the swing rope is used for being connected with a to-be-damped structure. The damping piece is used for providing damping for the mass block. The parameter setting method comprises the following steps that parameters of a tension spring and a mass block are determined according to the vertical control frequency of a structure to be subjected to vibration reduction; and the length of the swing rope is determined according to ...

Emergency braking method and system based on psychological characteristics of driver

The invention relates to the technical field of automobile safety, in particular to an emergency braking method and system based on psychological characteristics of a driver, and the method comprises the steps: building a vehicle braking distance model according to a driving data set NGSIM; establishing a braking safety distance model according to the driving state of the front vehicle and the vehicle braking distance model; acquiring actual driving data of a driver; wherein the actual driving data comprises vehicle speed and brake pedal displacement; determining the driving style of the driver according to the actual driving data; and according to the driving style and a braking safety distance model, establishing a braking safety distance model based on the driving style, and determining a corresponding braking safety distance. When the braking safety distance is calculated, the driving style of the driver is considered, the corresponding braking safety distance is provided according ...

MMC energy storage system hybrid modulation method

The invention belongs to the technical field of MMC energy storage system modulation, and particularly relates to an MMC energy storage system hybrid modulation method, which comprises the following steps that: Np sub-modules are modulated by adopting CPS-PWM, Np belongs to [0, Nc], and the rest Nc-NP sub-modules are modulated by adopting NLM; the Nc sub-modules are all modulated by adopting CPS-PWM (pulse width modulation); the characteristics of few switching times of nearest level modulation (NLM) and excellent harmonic characteristics output by carrier phase-shift modulation (CPS-PWM) are considered; when all the sub-modules are configured to be NLM modulation, the hybrid modulation strategy is completely consistent with the NLM; when only one sub-module is configured to be PWM modulation, the PWM modulation is equivalent to the traditional HPWM modulation; similarly, when all the sub-modules are configured to be CPS-PWM modulation, the hybrid modulation strategy is upgraded to be cascaded ...

Intelligent building supervision system based on big data and cloud computing

The invention discloses an intelligent building supervision system based on big data and cloud computing, and belongs to the technical field of intelligent buildings. By performing data acquisition on the target in the building and dividing the area where the target is located, reliable data support can be provided for subsequent target state analysis of the building; whether the corresponding internal storage state is normal or not is judged by analyzing the weight change condition during internal storage of the target, and whether the external environment of the target is abnormal or not is judged by processing and analyzing the shot image outside the target; and finally, targeted supervision and analysis alarm are carried out on the screened targets with the internal abnormity and the external abnormity. The method and the device are used for solving the technical problem that the overall effect of building health supervision is not good due to the fact that real-time monitoring and ...

Application of avicularin in preparation of medicine/health care product for preventing and treating osteoporosis

The invention discloses application of avicularin in preparation of medicines/health care products for preventing and treating osteoporosis, the avicularin is a plant flavonoid compound and a quercetin derivative with biological activity, is derived from various plants including lespedeza, crabapple and guava, and has the effects of oxidation resistance, allergy resistance, inflammation resistance, tumor resistance and liver protection activity. According to the application disclosed by the invention, in-vitro research shows that the avicularin inhibits the generation of osteoclasts induced by RANKL, and further, the avicularin down-regulates the expression of related genes and proteins of the osteoclasts; the related proteins are C-FOS (C-Focal Oscillation Sequence), CTSK (Choleblast Shift Keying), the related genes are CTSK, MMP9 and TRAP; in-vivo research shows that the avicularin can relieve bone loss of castrated mice; therefore, the avicularin can be used as an effective component ...

Power load state identification method, system, equipment and medium

The invention provides a power load state identification method, system and device, and a medium. The method comprises the following steps: obtaining net power request values of a plurality of continuous sampling moments and an actual power value in a neighborhood time range of each sampling moment; if the change quantity of the net power request value is within a preset change range, determining a power control error according to the net power request value and the actual power value, and comparing the power control error with a preset error threshold value, so as to control the actual power value when the power control error is smaller than the preset error threshold value within a preset first time limit. And determining that the power load state of the fuel cell engine at the current sampling moment reaches a steady state, the net power request value variation being the difference between the net power request value at the current sampling moment and the net power request value at the ...

Voltage class optimization method and device for offshore wind power flexible direct current sending-out system

The invention relates to a voltage class optimization method and device for an offshore wind power flexible direct current sending-out system, and direct current voltage class optimization design is carried out based on a genetic algorithm by taking economical efficiency optimization as a target. The main equipment parameters and the system cost are calculated within the direct-current voltage and sub-module capacitance average voltage range meeting the main equipment type selection requirement, the direct-current voltage level with the lowest system cost and the sub-module capacitance average voltage are selected, and the situation that the voltage level excessively depends on the direct-current cable parameters is avoided. According to the technical scheme provided by the invention, the population aggregation degree is monitored in the genetic iteration process, and the population with relatively high aggregation degree is reinitialized in the last stage of evolution, so that over assimilation ...

Preparation and application of stone chip concrete

The invention provides preparation and application of stone chip concrete, which is prepared from the following raw materials in parts by weight: 200 parts of Portland cement, 175 parts of limestone stone chips, 260 parts of broken stone, 75 parts of slag powder, 13 parts of surfactant, 9 parts of polytetrafluoroethylene fiber, 10 parts of water reducing agent and 150 parts of water. As the price of the stone chips is lower than that of the sandstone, the cost of the material is reduced, and the material has better weather resistance and bending resistance. The invention introduces application of stone chip concrete in preparation of cement prefabricated parts, and realizes energy conservation and emission reduction in the concrete industry on the premise of ensuring that the concrete performance meets the design and construction requirements.

Catwalk anti-collision device and adjacent catwalk structure

The invention discloses a catwalk anti-collision device and an adjacent catwalk structure, and relates to the technical field of suspension bridge catwalk construction.The catwalk anti-collision device comprises a first sliding structure used for being connected with a first catwalk; the second sliding structure is used for being connected with a second catwalk, and the second catwalk and the first catwalk are arranged in a spaced mode; the spacing structure is located between the first catwalk and the second catwalk, one end of the spacing structure is slidably connected with the first catwalk in the longitudinal bridge direction through a first sliding structure, and the other end of the spacing structure is slidably connected with the second catwalk in the bridge height direction through a second sliding structure. One end of the spacing structure is slidably connected with the first catwalk through the first sliding structure, the other end of the spacing structure is slidably connected ...

Data display method and device, intelligent wearable equipment and storage medium

The invention provides a data display method and device, intelligent wearing equipment and a storage medium, and relates to the field of data display. The method comprises the steps of obtaining to-be-displayed data; and controlling the magnetofluid display screen to display the to-be-displayed data. According to the invention, the data display mode is more diversified.

Method for carrying out impedance amplitude-frequency characteristic scanning on RTDS model based on positive and negative zero domains

The embodiment of the invention provides a method for carrying out impedance amplitude-frequency characteristic scanning on an RTDS model based on positive and negative zero domains. The method comprises the following steps: constructing a power grid model in a real-time digital simulation system RTDS; creating a functional block for generating a harmonic voltage signal; a script is created, the frequency of the harmonic voltage is modified in a stepping mode within a specific frequency range, and harmonic voltage injection can be conducted once every time the frequency is modified; the functional block injects harmonic waves into a specified port of the power grid model, executes the script, detects voltage and current output by the specified port, and stores voltage and current data files; and voltage and current data files are read by adopting matlab, and impedance amplitudes and phase angles under different frequencies are calculated. Due to the fact that the Fourier transform link ...

RTDS simulation method and device for optimizing equivalent AC voltage source

The invention relates to the field of power system simulation, and discloses an RTDS simulation method and device for optimizing an equivalent AC voltage source, and the device comprises a steady state discrimination module and an AC voltage control module. The steady state judgment module is used for judging whether the system reaches a steady state or not; the AC voltage module is used for controlling an equivalent AC voltage source; calculating an AC voltage value of an actual project, and subtracting the AC voltage value from a target AC voltage value to obtain a voltage error; carrying out closed-loop control on the voltage error through an integration link so as to eliminate the error, and transmitting a voltage signal after the error is eliminated to an equivalent alternating-current voltage source; the size of the time constant of the integration link is selected according to the system state: when the system reaches a steady state, a larger time constant is selected; otherwise, ...

New energy power generation system containing energy storage and control method thereof

The invention relates to a new energy power generation system containing energy storage and a control method thereof, and belongs to the technical field of wind power generation. After the new energy power generation system containing energy storage is started, the new energy power generation system is controlled to enter stable operation, and after the power generation system is in stable operation, control modes of a machine-side converter, a grid-side converter and an energy storage battery are adjusted according to the state of SOC of the energy storage battery, so that the power generation system is in a corresponding stable operation mode. Wherein the stable operation mode comprises at least two of a maximum power supporting mode, a first limited power supporting mode, a second limited power supporting mode and an energy storage charging and discharging mode, the power generation system operates according to the energy storage electric quantity, the influence of fluctuation of a draught ...

Butt joint device in heat supply pipeline ditch and construction method of butt joint device

According to the butt joint device in the heat supply pipeline ditch and the construction method of the butt joint device, when used, the butt joint device is erected on the pipeline ditch, the pipeline clamp is in a suspended state, and the walking wheels are arranged at the bottom of the slope edge hanging plate, so that after butt joint work of pipeline welding is completed, the pipeline clamp and a pipeline are detached, and the butt joint work is completed. A worker can push the pull rod in a ditch, so that the slope edge hanging plate moves to a next pipeline butt joint port through the walking wheels in the extending direction of the pipeline, the slope edge hanging plate is more suitable for welding, transporting and moving of pipelines in various pipe ditches with narrow spaces, labor is saved during moving, and the working efficiency is improved. In addition, the risk that the floor type pipeline butt joint device accidentally falls off and hurts the human body and the pipe body ...

Distributed photovoltaic power generation array and adjustable support thereof

The invention discloses a distributed photovoltaic power generation array, and relates to the related technical field of photovoltaic power generation, the distributed photovoltaic power generation array comprises a photovoltaic power generation member, the photovoltaic power generation member comprises a middle solar panel and an end solar panel, and a splicing assembly is connected between the middle solar panel and the end solar panel; the splicing assembly comprises a T-shaped block and a T-shaped groove plate, the T-shaped block and the T-shaped groove plate are fixedly connected to the surfaces of the two sides of the middle solar panel respectively, the side edges, opposite to the middle solar panel, of the two end solar panels are fixedly provided with the T-shaped block and the T-shaped groove plate respectively, and the T-shaped block is inserted into the inner wall of the T-shaped groove plate. According to the invention, the T-shaped blocks and the T-shaped groove plates which ...

Ship collision prevention device based on multi-stage buckling energy dissipation of metal damper

The invention relates to a ship collision prevention device based on multi-stage buckling energy dissipation of metal dampers, and belongs to the field of bridge safety. The ship collision prevention device comprises an annular steel hoop and multiple sections of steel buoyancy tanks, the annular steel hoop is arranged on the periphery of a pier, a rubber fender is installed at the end, close to the outer wall of the pier, of the annular steel hoop, and the steel buoyancy tanks are arranged on the periphery of the annular steel hoop and connected with the annular steel hoop at intervals through connecting pieces. Every two adjacent sections of steel buoyancy tanks are connected through a metal damper, and each section of steel buoyancy tank forms an annular structure surrounding the annular steel hoop. The metal damper of the device has the multi-stage buckling energy dissipation function, after the device is collided, parts of the metal damper can automatically reset, durability is high ...

Blind zone early warning method and system based on vehicle and road information fusion

The invention relates to the technical field of automobile safety, in particular to a blind area early warning method and system based on vehicle and road information fusion, and the method comprises the steps: obtaining the first distance information between an obstacle in a blind area and a vehicle according to the image data of the blind area of the vehicle; according to the radar data of the vehicle blind area, obtaining second distance information between an obstacle in the blind area and the vehicle; determining weight coefficients of the first distance information and the second distance information based on the atmospheric visibility of the position of the vehicle; according to the weight coefficients of the first distance information and the second distance information, the first distance information and the second distance information are processed, and the relative distance between the obstacle in the blind area and the vehicle is obtained; when the relative distance information ...

Surface pretreatment device for forged pipe fitting machining

The invention discloses a surface pretreatment device for forged pipe fitting machining, and belongs to the technical field of forged pipe fittings, the surface pretreatment device comprises a mounting table, the upper surface of the mounting table is rotatably connected with a gear ring in a limiting manner, and a fixed seat is fixedly mounted on the inner side of the gear ring on the upper surface of the mounting table; a cutting mechanism for simultaneously pretreating the surfaces of a plurality of forged pipe fittings in an annular array is arranged on the fixed seat; the cutting mechanism comprises a plurality of mounting seats which are in limited sliding connection with the fixed seat and are arranged in an annular array, clamping seats for fixing forged pipe fittings are rotationally connected to the mounting seats, mounting grooves are formed in the upper surface of the fixed seat, mounting columns are fixedly mounted in the mounting grooves, and tool aprons corresponding to the ...

MMC control method, electronic equipment, storage medium and direct current power transmission system

The invention belongs to the technical field of flexible direct-current power transmission, and particularly relates to an MMC control method, electronic equipment, a storage medium and a direct-current power transmission system. The MMC uses a virtual synchronous machine control strategy and comprises a virtual rotor mechanical equation part, a virtual excitation control part, a voltage outer loop control part and a current inner loop control part. A current instruction of the current inner loop control part is no longer only a voltage outer loop output value, but a feedforward value is superposed on the basis of the voltage outer loop output value, a value obtained after an active power given value is processed is superposed on a d-axis current instruction value, and a value obtained after a reactive power given value is processed is superposed on a q-axis current instruction value. The power regulation speed is increased, the purpose of rapid power tracking is achieved, power frequency ...

Vehicle high-precision positioning method and system under satellite signal shielding

The invention relates to the technical field of positioning, in particular to a vehicle high-precision positioning method and system under satellite signal shielding. The method comprises the following steps: acquiring positioning information of a current vehicle; calculating a navigation satellite elevation angle and an azimuth angle according to the obtained positioning information; acquiring images around a road; calculating elevation angles and azimuth angles of the building and the tree according to the acquired images around the road; according to the technical scheme, the elevation angles and azimuth angles of the buildings and the trees relative to the vehicle can be calculated by identifying the contour lines of the surrounding buildings and the trees, so that the current line-of-sight and non-line-of-sight satellite signals can be accurately identified in real time.

Graded ship collision prevention device and design method

The invention discloses a graded ship collision prevention device and a design method, and relates to the technical field of bridge structure protection. The air bags can be inflated and deflated and are divided into two groups which are respectively attached to the two collision faces of the steel buoyancy tank; the top of each air bag is provided with a safety valve in a normally-closed state. The safety valve is opened when the bearing capacity of the air bag reaches the ultimate bearing capacity; and the two outer protective plates are respectively arranged on the collision meeting sides of the two groups of air bags. The invention further discloses a design method of the graded ship collision prevention device, the air bag completely absorbs collision energy of a small typical tonnage ship, and the air bag and the steel buoyancy tank 1 jointly absorb collision energy of a large typical tonnage ship. According to the graded ship collision prevention device and the design method, the ...

Electric power pole tower

The invention discloses an electric power tower which comprises an electric power tower body, a plurality of transverse rods are fixed to the surface of the outer wall of the electric power tower body, a mounting frame is fixed to the outer wall of the top of the electric power tower body, and the electric power tower further comprises an anti-falling device, a protection device and a friction increasing device. Wherein the anti-falling device comprises a concentric-square-shaped frame, a partition plate, a through groove, a limiting plate, a U-shaped sliding frame, a screw rod, two sliding blocks and a buffering assembly, the concentric-square-shaped frame is fixed to the surface of the outer wall of the electric power tower body, the partition plate is fixed to the middle of the inner wall of the concentric-square-shaped frame, and the through groove is formed in the side, away from the electric power tower body, of the concentric-square-shaped frame; the limiting plates are hinged to ...

Task processing method based on CPU and GPU, electronic equipment and storage medium

The invention provides a task processing method based on a CPU and a GPU, electronic equipment and a storage medium. The method comprises the steps that a CPU obtains a data set corresponding to a to-be-processed task, wherein the data set comprises at least one of an image collected by a camera, radar data, map data and motion information of a vehicle; the CPU preprocesses the data set and sends the preprocessed data set to the GPU; and the GPU calls an algorithm model corresponding to the to-be-processed task, and executes the to-be-processed task based on the preprocessed data set through the algorithm model to obtain an execution result. Therefore, when the CPU and the GPU cooperatively execute the tasks, the algorithm model can be flexibly called according to different tasks so as to realize execution of various types of tasks, the task execution efficiency can be improved, and the problem that the types of tasks cooperatively executed by the CPU and the GPU are single can be improved ...

Data processing method and device, electronic equipment and storage medium

The embodiment of the invention provides a data processing method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining target data; obtaining a grading rule and a classification rule written based on a declarative language, wherein the grading rule comprises at least one of grading the target data according to the times of accessing the target data by the user, grading the target data according to keywords contained in the target data, and grading the target data according to the source of the target data; the classification rule comprises classification of the target data according to the data type of the target data; grading the target data according to a grading rule; and classifying the target data according to the classification rule. Grading and classifying rules are set based on declarative languages, and data can be graded and classified in multiple dimensions.

Webpage application cache management method and device, equipment and storage medium

The invention discloses a webpage application cache management method and device, equipment and a storage medium, and relates to the technical field of webpage application cache management, the method comprises the following steps: obtaining a sequence arrangement table of cache components, the sequence arrangement table comprising all cache components in a current webpage application; if the number of the components in the sequential arrangement table exceeds a component number threshold value, determining the cache components to be destroyed; and destroying the to-be-destroyed cache component. When the number of the cache components in the webpage application is too large, the cache components to be destroyed are destroyed, the number of the cache components in the server is controlled, the storage resources occupied by the cache components are controlled, the storage resources operated by the webpage application are guaranteed, and the problem that when the number of the current browsed ...

Data synchronization method and device, terminal equipment and storage medium

The invention discloses a data synchronization method and apparatus, a terminal device and a storage medium. The method comprises the steps of obtaining user data of a first device; performing format conversion and parameter addition on the user data to obtain target format data; uploading the target format data to a server, so that the server analyzes the target format data to obtain target analysis data; and the target analysis data is synchronized to the second device through the server, so that data intercommunication between different devices can be realized without greatly modifying the original code logic of the software, and the development complexity of the telephone watch software is reduced.

Intelligent building environment safety management system based on multi-dimensional data

The invention discloses an intelligent building environment safety management system based on multi-dimensional data, and belongs to the technical field of intelligent buildings. By implementing monitoring and data statistics of different dimensions from the aspect of the building and the aspect of the surrounding environment, reliable data support can be provided for subsequent safety analysis and management of different positions of the building; according to the method, various data of each sub-region in different aspects are integrated to obtain corresponding threat coefficients, and the threat coefficients are analyzed and classified to realize screening and marking of local different traffic state regions, so that reliable data support can be provided for dynamic management of subsequent different sub-regions; the method is used for solving the technical problem that the overall effect of building environment safety management is not good due to the fact that monitoring and safety ...

Control system of stage suspender and lifting platform

The invention provides a control system for a stage suspender and a lifting platform, and relates to the technical field of stage control. The control system for the stage suspender and the lifting platform comprises a stage operation module, the stage operation module is in bidirectional connection with a stage simulation module, the stage operation module and the stage simulation module are connected with a data processing module, the data processing module is connected with an upper computer, and the upper computer is connected with a control management module. The stage operation module is arranged in the system and comprises the stage suspender module and the lifting platform module, so that when a user uses the system, a stage scene pole, a lamp pole and a curtain can be adjusted through the stage suspender module, and meanwhile, lifting and rotating of a stage can be achieved in a matched mode; the comprehensiveness of the overall performance of the stage is improved, the stage control ...