去离子器(筒式)

用于调节燃气热水器水温的图形用户界面

MAGNESIUM ALLOY SHEET OF LOW COST, FINE GRAINS, AND WEAK TEXTURE, AND MANUFACTURING METHOD THEREFOR

Disclosed is a Mg-Ca-Zn-Zr magnesium alloy sheet, which comprises the following chemical components in percentage by weight: 0.5%-1.0% of Ca, 0.4%-1.0% of Zn, 0.5%-1.0% of Zr and the balance being Mg and inevitable impurities, wherein the average grain size of the magnesium alloy sheet is ≤ 10 μm, the texture strength of the base surface is ≤ 5, and after annealing at 250-400°C, the texture structure of the base surface is ≤ 3; the ultimate draw ratio at room temperature is higher than that of AZ31; the grain size is obviously less than the average grain size of the AZ31B sheet manufactured under the same conditions; and the sheet texture is significantly weakened. The magnesium alloy has simple composition without precious alloy elements, the process is widely applicable, the production cost is low, and the magnesium alloy sheet can be used as a plate for components such as an inner plate of an automobile door, an inner plate of an engine cover, an inner plate of a trunk lid, an interior ...

TERMINAL NETWORK SEARCH METHOD, TERMINAL AND READABLE STORAGE MEDIUM

A terminal network search method, a terminal and a readable storage medium. The method comprises: after it is determined, according to data collected by a preset sensor combination, that a terminal is currently located in a target scene, and when it is detected that the terminal is currently leaving the target scene, triggering the terminal to search a network according to the network service of the current protocol of the terminal so as to recover a network state of the terminal.

Dietary exercise intelligent management and control system and method for type 2 diabetes patients

The invention belongs to the technical field of diet and exercise management, and particularly relates to an intelligent management and control system and method for diet and exercise of patients with type 2 diabetes mellitus, and the method comprises the steps: a user inputs personal information, and the system calculates the ratio of three elements, namely calorie, carbon water, protein and fat nutrition which can be eaten by the user every day, and provides a reference standard for a three-meal recipe; the system prompts the user to take exercises through voice at seven o'clock in the morning, and selectable exercise items are displayed on the display; a user selects favorite exercise items according to personal preferences, and the system can automatically play teaching videos; the system prompts the user to measure blood sugar by voice at eight o'clock in the morning, measures the user, and suggests the dosage today according to the measurement result; the system reminds the user to ...

Metering abnormal data screening device based on electricity utilization information acquisition system

The invention provides a metering abnormal data screening device based on an electricity utilization information acquisition system, and the device comprises a starting module, an information acquisition module, a data classification storage module, a device abnormity analysis module, a data abnormity analysis module, and a cloud computing storage module. The time when the information acquisition module starts an information acquisition task is determined, the information acquisition module is used for completing the data acquisition task and storing the acquired data into the data classification storage module, and the data classification storage module is used for automatically performing classification storage according to data types and storing the data in the database; then, according to different exception types, the data exception types are sent to the device exception analysis module and the data exception analysis module for big data analysis, and for complex calculation, a cloud ...

Space-based video data transmission system of carrier rocket

The invention provides a space-based video data transmission system for a carrier rocket. The space-based video data transmission system comprises a camera device, an image compression encoder, a transmitter, space-based measurement and control equipment, a battery, telemetering equipment, a telemetering antenna and a phased-array antenna, the camera device is connected with the image compressor, and acquired image data are encoded through the image compressor and converted into digital signals; the image compressor is connected with the telemetering equipment, digital signals are transmitted into the telemetering equipment and inserted into a frame format of a whole rocket in the telemetering equipment, and at the moment, image data exist in a relay wave channel; and the telemetering equipment is connected with the transmitter and the space-based measurement and control equipment. According to the invention, rapid adjustment of a single-path or multi-path image data communication link ...

Carbonization-cured high-strength coal gangue-based low-carbon baking-free grass planting brick and preparation method thereof

The invention relates to a carbonized and cured high-strength coal gangue-based low-carbon unfired grass planting brick and a preparation method thereof. The carbonized and cured high-strength coal gangue-based low-carbon unfired grass planting brick is prepared from the following raw materials in parts by weight: 260 to 520 parts of coal gangue-based geopolymer, 624 to 936 parts of coal gangue fine aggregate, 1144 to 1714 parts of slurry-coated coal gangue coarse aggregate and 200 to 300 parts of water. Through the synergistic effect of all the raw material components, the prepared carbonized and cured high-strength coal gangue-based low-carbon unfired grass planting brick is high in strength, good in durability such as freezing resistance, weather resistance, carbonization resistance and water resistance, high in coal gangue utilization rate, low in carbon emission, good in plant adaptability and good in environmental coordination, and conforms to the concepts of circular economy and ...

Adjustable clamping device and icing wind tunnel test system

The invention belongs to the technical field of aerospace, and particularly relates to an adjustable clamping device and an icing wind tunnel test system, and the device comprises a first support and a second support which are arranged at an interval; the first rod body and the second rod body are arranged between the first support and the second support, and the first rod body and the second rod body are arranged in parallel; the third rod body is erected between the first rod body and the second rod body, and the angle of the third rod body relative to the first rod body and the second rod body is adjustable; the inclination angle adjusting assembly is arranged on the third rod body, and the output end of the inclination angle adjusting assembly is provided with a first connecting piece used for being detachably connected with a test piece. According to the invention, a mode of main bottom support and auxiliary side support frame support is adopted, the integrity of a flow field environment ...

Image processing method and device, electronic equipment and storage medium

The embodiment of the invention discloses an image processing method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a target drawing viewpoint of a target main body when the triggering operation of the target main body is detected; based on a pre-generated target sphere grid model, determining a target grid region to which the target drawing viewpoint belongs, and determining a target interpolation image corresponding to the target drawing viewpoint according to at least one optical flow information group of the target grid region; and issuing the target interpolation image to the target client so as to display the target interpolation image corresponding to the trigger operation on the target client. According to the technical scheme, the technical effects that the target views of the target article under different viewpoints are determined based on the pre-constructed target sphere grid model and are displayed on the display interface ...

A COMPOSITE ANTI-CORROSION LINING COMPRISING WATERBORNE EPOXY COVER LAYER AND USE THEREOF

Disclosed is a composite anti-corrosion lining comprising waterborne epoxy painting cover layer. Said composite anti-corrosion lining is composed of a cement mortar lining layer and a waterborne epoxy painting cover layer coated on the cement mortar lining layer. A method for manufacturing the composite anti-corrosion lining and a cast iron pipe and a cast iron pipe assembly having the composite anti-corrosion lining are provided. The composite anti-corrosion lining can inhibit precipitation of alkali substance and harmful components in the cement mortar; the waterborne epoxy paint can seal water in the cement mortar to prevent crack from producing; the composite anti-corrosion lining has both the active anti-corrosion performance of the cement mortar lining and the passive anti-corrosion performance of an organic coating, and can reduce roughness coefficient of the cement mortar lining; and the composite anti-corrosion lining can undergo the change of water pressure during water delivery ...

Video processing method and device, equipment, medium and program product

The invention provides a video processing method and device, equipment, a medium and a program product. According to the video processing method provided by the invention, in response to the trigger instruction, the target image is obtained, the target image is the previous video frame of the reference image, the reference image is the video frame currently obtained by the image sensor, then the background area in the target image is utilized to complement and fill the target area where the target object is located in the reference image, and the target image is obtained. According to the method, a reference image and a target object are processed to generate a processed image, so that only two adjacent frames are adopted for completion processing, the completion effect can be ensured, the real-time performance of completion processing can be ensured, and finally, the processed image is displayed as a current video frame, so that the processed image is an image obtained after at least part ...

Investment portfolio risk management method

The invention discloses an investment portfolio risk management method, which comprises a machine body, the surface of the machine body is provided with a display screen and a touch screen, one side of the machine body is provided with a storage device, the storage device comprises a storage box, the storage box is slidably connected with the machine body, and the surface of the storage box is fixedly connected with a handle. A clamping block is fixedly connected to one side of the storage box, a first hole is formed in the surface of the clamping block, a sliding rod is fixedly connected to the side, close to the clamping block, of the machine body, a rotating plate is rotationally connected to the surface of the sliding rod, and the rotating plate is connected with the first hole in the surface of the clamping block in a clamped mode. The side, away from the storage box, of the extension spring is fixedly connected with the machine body, and by arranging the storage device, recording ...

Solid organic fertilizer raw material turning fermentation device and method

The invention relates to the technical field of organic fertilizer production, in particular to a solid organic fertilizer raw material turning fermentation device and method, and the solid organic fertilizer raw material turning fermentation device comprises a rack, a turning device, an auxiliary control device and a cleaning device; the material turning device comprises a rotating frame, a material turning rake and a first rotation driving assembly, the rotating frame is rotationally installed on the rack, the material turning rake is rotationally installed on the rotating frame, and the first rotation driving assembly is installed on the rack and used for driving the rotating frame to rotate; the auxiliary control mechanism is installed on the machine frame and used for controlling the material turning rake to be switched between a material turning state and a cleaning state, the cleaning device is installed on the machine frame and used for cleaning the material turning rake, and when ...

Marketing activity index system construction method and device, storage medium and server

The invention discloses a marketing activity index system construction method and device, a storage medium and a server. The method for constructing the index system of the marketing activity comprises the following steps: acquiring original data of the marketing activity from a front end; executing preset data processing and dimension table association operation on the original data to form a data detail table; determining themes and indexes corresponding to the themes according to pre-configured business process characteristics of the marketing activity; and performing aggregation calculation on the data detail table based on the theme and the corresponding index to obtain a plurality of theme index wide tables. The technical problems of high cost, low efficiency and poor universality caused by the fact that different data processing flows need to be manually designed, developed and tested due to the fact that operation targets and indexes concerned by operation of different marketing ...

Driving control protection method for solar wing of space station

The invention discloses a space station solar wing driving control protection method. The method comprises software protection, hardware protection and transmission chain protection. Software protection is topmost layer protection, hardware protection is bottommost layer protection, transmission chain protection is middle layer protection, and the three layers of protection are organically combined. The software protection comprises automatic stalling protection after communication abnormity, solar wing maximum acceleration protection and friction resistance increase grading protection; the hardware protection comprises motor overcurrent protection, brake overcurrent protection and clutch overcurrent protection; transmission chain protection is action constraint protection among a motor, a brake, a clutch, a driving locking mechanism and a switching locking mechanism which are designed for protecting a transmission device of a solar wing of a space station. Aiming at the specific structural ...

SPIGOT-AND-SOCKET PIPE JOINT HAVING ANCHORING FUNCTION, INSTALLATION METHOD AND INSTALLATION CARD

A spigot-and-socket pipe joint having an anchoring function; a retaining ring (2) of the joint has a separated structure and comprises a plurality of stoppers (1); two or more fixing holes (4) for installing a rubber support piece (5) are disposed on the outer diameter surface of each stopper (1). During installation, first, installing the stoppers (1) one by one into stopper positions (7) forming an integral piece, then, installing the spigot (8) into the socket (9). In the installation process, when protruding to pass through the retaining ring (2), the spigot (8) pushes the stoppers (1) to move backward and compress the rubber support piece (5) on the retaining ring (2), and after protruding to pass through the retaining ring (2), the spigot (8) is pulled back to enable the stoppers (1) to tightly press against the outer surface of the spigot (8) under the action of the rubber support piece (5). The spigot-and-socket pipe joint having an anchoring function has a simple structure, good ...

Semiconductor structure and forming method

The technical scheme of the invention provides a semiconductor structure and a forming method thereof, and the semiconductor structure comprises a substrate which comprises an epitaxial layer; the first doped regions are located in the epitaxial layer, and the first doped regions are distributed in a high-low staggered manner; the well region extends into the epitaxial layer from the surface of the epitaxial layer; the source region separately extends into the well region from the surface of the well region; the second doped region is located between the adjacent source regions and extends into the well region from the surface of the well region or extends out of the well region; the first gate structure and the second gate structure are alternately distributed in the source electrode, the well region and the epitaxial layer, each of the first gate structure and the second gate structure comprises a gate electrode, and the first gate structure further comprises a pseudo gate located below ...

BELL AND SPIGOT TYPE PIPE JOINT, MOUNTING AND DISMOUNTING METHODS THEREOF, MOUNTING CLAMP AND DISMOUNTING TOOL

A bell and spigot type pipe joint. A baffle ring of the joint is in a split-type structure and comprises multiple baffle blocks (1). On an outer diameter surface of each baffle block, two or multiple fixing holes are arranged, used for mounting flexible support bodies (5). During mounting, the baffle blocks are mounted into a baffle block cartridge one by one and spliced into a whole first. Finally, a spigot is mounted into a bell end. In a mounting process, when the spigot protrudes and passes through the baffle ring, the baffle blocks are pushed to move backward and compress the flexible support bodies on the baffle ring. After the spigot protrudes and passes through the baffle ring, baffle blocks are tightly compressed on an outer surface of the spigot under an effect of the flexible support bodies through pulling back the spigot. The bell and spigot type pipe joint in the present invention is simple in a structure, convenient in mounting and dismounting, strong in a slippage-preventing ...

Inhibition device suitable for electric arc spreading in protection dead zone of transformer substation

The invention discloses a suppression device suitable for electric arc spreading in a transformer substation protection dead zone, which comprises an insulating coating and a pair of metal outer sheaths, the insulating coating is arranged in the middle of a wire in the transformer substation protection dead zone, and the pair of metal outer sheaths are connected to the wire and are symmetrically arranged at two ends of the insulating coating. According to the invention, the insulating coating is coated in the middle of the wire in the protection dead zone of the transformer substation, and the metal outer sheaths are respectively mounted at the two ends of the insulating coating, so that the arc root movement is inhibited in a metal outer sheath-insulating coating-metal outer sheath combination mode. When the root of the electric arc spreads to the position, severe high temperature is mainly applied to the metal outer sheath to protect the metal wire, and due to the inhibition effect of ...

ANTICORROSIVE COATING FOR BURIED BLACK METAL-BASED PIPELINE AND METHOD FOR SPRAYING SAME

Provided is an anticorrosive composite coating for a buried black metal-based pipeline. The anticorrosive coating comprises a zinc-aluminum-rare earth alloy layer, a zinc-aluminum-rare earth pseudoalloy layer, or a zinc-aluminum-magnesium-rare earth multicomponent pseudoalloy layer. The zinc-aluminum-rare earth alloy layer comprises the following materials by weight percentage: Al: 4.7%-60%, RE: 0.02%-5%, the balance being zinc; the zinc-aluminum-rare earth pseudo-alloy layer comprises the following materials by weight percentage: Al: 5%-60%, RE: 0.02%-10%, the balance being zinc; the zinc-aluminum-magnesium-rare earth metal coating comprises the following materials by weight percentage: Al: 5%-85%, RE: 0.01%-5%, Zn: 30%-95%, and Mg: 0.05%-10%. The coating has low porosity, a good self-closing effect, a stable anticorrosive property, low manufacturing costs, and good economic applicability etc., and can be used in strongly corrosive soil environments.

一种真空脱气精炼的方法及设备

... 本发明提供一种真空脱气精炼的方法及其设备，其将真空室底部的浸渍管插入钢液中，在上升浸渍管中通入驱动气体，钢包中的钢液通过上升及下降浸渍管而流经真空室，完成循环，本发明的特征在于，在至少一根浸渍管的外围安装至少一个磁场发生器，该磁场发生器能产生一与钢液循环方向相一致的电磁力，该电磁力与驱动气体一起驱动钢液循环流动，从而增大钢液循环流量，提高精炼效率。 ...

Performance test system for manufactured and processed copper core low-voltage cable

The invention relates to the technical field of cable mechanical performance testing, in particular to a copper core low-voltage cable performance testing system after manufacturing and processing, which comprises a double-item detection mechanism, a joint control mechanism, a base and a vertical plate bracket, and is characterized in that the base is fixedly connected with two fixed plates, and a reciprocating screw rod is rotatably arranged between the two fixed plates; wherein one fixing plate is provided with a servo motor, the driving end of the servo motor is fixedly connected with the reciprocating lead screw, the bottom of the vertical plate support is fixedly connected with two sliding blocks, one sliding block is in threaded connection with the reciprocating lead screw, and the other sliding block is in sliding connection with the base. According to the invention, bending tests can be carried out on a plurality of parts of the cable, so that a plurality of bending test results ...

Water heater with go out water mixed flow device

... 本实用新型公开种带有出水混流装置的热水器，包括内胆，进水管，出水管，电加热管，在内胆内设置出水混流装置，所述出水混流装置包括夹具体、虹吸管，所述虹吸管的端连通所述出水管的出水口，所述虹吸管的另端连通内胆的中层或下层水体。本实用新型的混水装置使内胆内中层或下层的冷水/温水因为虹吸现象被引导至出水口，与顶层的热水同流出，从而达到上部的热水与下部的冷水/温水混合，可大幅度提高热水输出时间。 ...

Multi-stage conditioning system and method for dynamic periodic signals

The invention relates to the field of signal processing, and discloses a multi-stage conditioning system and method for dynamic periodic signals, the multi-stage conditioning system for the dynamic periodic signals comprises a signal pre-processing module, an adjustable gain module and a signal processing module; the signal pre-processing module attenuates the input periodic analog signal when the amplitude of the input periodic analog signal exceeds the input range of the adjustable gain module; the adjustable gain module is controlled by the signal processing module to change the amplification factor; and the signal processing module realizes analog-to-digital conversion, gain control and data calculation. According to the invention, the adjustable gain module controls the amplitude of the output signal to be between alpha times and beta times of the power supply voltage of the operational amplifier by adjusting the amplification factor, so that the situation that the signal is too small ...

Base station value evaluation method and device, electronic equipment and storage medium

The invention provides a base station value evaluation method and device, electronic equipment and a storage medium, relates to the field of network communication, and is used for improving the accuracy of base station value evaluation. The method comprises the following steps: acquiring communication data of a plurality of resident users of a target base station; based on the communication data of each resident user, determining a subdivided group to which each resident user belongs; the target base station corresponds to a plurality of subdivided groups; one subdivided group comprises a plurality of resident users with the same communication service type; based on the resident users included in each subdivided group, determining the value of each subdivided group; and determining the value of the target base station based on the value of each subdivided group.

Method and system for configuring transformer of booster station of power plant

The invention discloses a method and system for configuring a transformer of a booster station of a power plant, and belongs to the technical field of power system simulation. The method comprises the following steps: acquiring typical configuration data of main wiring of the booster station of the power plant, and building a simulation model of the booster station of the power plant based on the configuration data; controlling the simulation model to simulate a dead zone fault of the booster station of the power plant according to a preset simulation time sequence, obtaining fault simulation data, and determining a configuration scheme of the newly-added mutual inductor of the booster station of the power plant based on the simulation data; the configuration scheme is used for configuring the booster station of the power plant. According to the configuration scheme provided by the invention, after configuration is completed, when the dead zone of the transformer of the booster station ...

Split type temperature control system and method of modem for rotor system ground test

The invention provides a split type temperature control system and method of a modem for a rotor system ground test, the temperature control system comprises a constant temperature box and a semiconductor refrigeration control box, a semiconductor refrigeration device is arranged in the constant temperature box, and the hot end of the semiconductor refrigeration device is in contact with a supercooled water pipe; a fiber bragg grating temperature sensor connected with the fiber bragg grating demodulator is arranged outside the constant temperature box; a temperature sensor is further arranged in the inner cavity of the constant-temperature box; a control system is arranged in the semiconductor refrigeration control box; the control system adjusts the circulating temperature of semiconductor refrigeration and supercooled oil according to the difference value between the internal and external temperature sensors and the target temperature so as to stabilize the temperature in the constant ...

Oil stain and fingerprint resistant coating paint

The invention discloses an oil stain and fingerprint resistant coating paint, which is composed of an acrylic coating and an oil stain resistant auxiliary agent, the grinding fineness of the acrylic coating is 10-11 [mu] m, and the weight ratio of the acrylic coating to the oil stain resistant auxiliary agent is 1: (0.1-0.2). According to the invention, the conventional alkyd resin coating is improved into the acrylic resin coating, the grinding fineness of the resin is increased, so that the paint can be mutually filled and occluded during drying arrangement, the auxiliaries and the acrylic resin coating are fully fused in proportion during use, and the coating can be effectively isolated in the coating arrangement drying process, so that matt powder sinks; the paint surface forms a smooth coating state; a protective layer is formed to prevent oil stains from permeating downwards; the paint film coating is changed, so that the tolerance of the construction operation environment is wider ...

Rock sample manufacturing method capable of reflecting angle and roughness of structural surface

The invention discloses a manufacturing method of a rock sample capable of reflecting the angle and roughness of a structural surface. The manufacturing method comprises a similar material proportioning method and a mold manufacturing method. Sample similar materials are proportioned according to main mineral components of mother rock, structural surface roughness information is obtained through a three-dimensional scanner, a mold three-dimensional model is designed through modeling software, a sample preparation mold is obtained through a 3D printing technology, after the mold is assembled, a lower half sample is poured firstly, and after the lower half sample is finally set, an upper half sample is poured; therefore, the structural surface-containing rock sample reflecting different angle and roughness information is manufactured. The method can be used for manufacturing rock similar material samples with different structural plane angles and roughness according with the international ...

Modularized waste heat boiler

The invention relates to a modularized waste heat boiler which is located between a waste gas pipe and a gas outlet pipe, the waste heat boiler comprises a superheater module, an evaporator module, an economizer module and a steam pocket, the superheater module comprises a plurality of protection plates, and a pipeline corresponding to a superheater and a header are both installed in a space defined by the multiple protection plates. The structures of protective plates of the evaporator module and the economizer module are the same as the structure of a protective plate of the superheater module, the space defined by the protective plates corresponding to the superheater module is communicated with a waste gas pipe, and the space defined by the protective plates corresponding to the economizer module is communicated with a gas outlet pipe. The space defined by the protective plates corresponding to the evaporator module, the space defined by the protective plates corresponding to the economizer ...

Wide pole piece unreeling anti-shake belt circuit

The invention discloses a wide-width pole piece unwinding anti-shake belt path which comprises an unwinding mechanism, a winding mechanism, a driving mechanism and a driving mechanism. The tape splicing platform is arranged at the downstream of a tape path of the unwinding mechanism, and the tape splicing platform is used for receiving the pole piece provided by the unwinding mechanism; the tension roller is arranged at the downstream of the tape path of the tape splicing platform and is used for providing tension for the pole piece; the advancing deviation rectifying mechanism is arranged at the downstream of the driving path of the tension roller, and the advancing deviation rectifying mechanism is used for conducting advancing deviation rectifying on the pole piece; the pole piece caching mechanism is arranged at the downstream of the driving path of the advancing deviation rectifying mechanism, and the pole piece caching mechanism is used for caching the pole piece; and the anti-shake ...

Knowledge ware is examined to discharge

... 一种水流量检知器，包括外壳、水流转子组件和霍尔元件。所述水流转子组件固定于外壳内且包括磁转子、塑料转子及塑料叶片。磁转子位于塑料转子及塑料叶片之间且相对于塑料转子和塑料叶片能够旋转，磁转子设有金属轴件，所述霍尔元件设于外壳外并电磁感应磁转子。所述塑料转子和塑料叶片分别设有与金属轴件连接的容纳孔，容纳孔内固设有金属物质。本实用新型水流量检知器通过容纳孔内固设金属物质，避免了磁转子的金属轴件对塑料转子及塑料叶片内部的磨损。 ...

Battery pack and vehicle

The embodiment of the utility model provides a battery pack, and belongs to the technical field of battery heat preservation. The battery pack comprises a battery and a shell, the shell comprises a first shell and a second shell, the first shell is located in the second shell, a vacuum interlayer is formed between the first shell and the second shell, and the battery is located in the first shell. According to the scheme, the first shell protects the battery from being influenced by the air pressure of the vacuum environment, and the vacuum interlayer formed between the first shell and the second shell is used for isolating heat conduction and heat radiation, so that the heat preservation performance of the battery is enhanced.

Photoacoustic spectrum measurement system capable of eliminating cross influence

The invention discloses a photoacoustic spectrum measurement system capable of eliminating cross influence, and relates to the technical field of power equipment detection. Comprising a convergent mirror, an infrared window, a chopper, an infrared optical filter and a photoacoustic cell which are sequentially arranged along an optical path. The infrared window is in sealed connection with the convergent mirror to form a sealed gas cavity capable of sealing gas; mixed gas with a certain concentration is sealed in a closed gas cavity between the convergent mirror and the infrared window, and the mixed gas is also contained in the convergent mirror. After the light source passes through the high-concentration mixed gas, certain light energy can be absorbed by the mixed gas, so that the purpose of weakening other gas signals which possibly generate cross interference except for the wavelength corresponding to the gas to be detected is achieved. The light converged by the light source passes ...

Vibration reduction integrated anti-explosion driving steering wheel device with high bearing capacity and low mounting height

The invention discloses a vibration reduction integrated anti-explosion active steering wheel device with high bearing capacity and low mounting height. The vibration reduction integrated anti-explosion active steering wheel device comprises a vibration reduction assembly, a steering assembly and a driving assembly. The vibration reduction assembly comprises a linear bearing, a guide optical shaft and a vibration reduction structure, vibration reduction is achieved through the vibration reduction structure, meanwhile, the function of connecting the steering assembly and the driving assembly is achieved, and the overall height of the anti-explosion active steering wheel device is reduced; the steering assembly comprises an explosion-proof motor, a speed reducer, a gear, a speed reducer mounting seat, a slewing bearing and a mechanical limiting block and is used for transmitting and continuously increasing torque, providing torque for active steering of the device and limiting the steering ...

Medium-and-large-sized full-header-type splicing module integrally-assembled gas-fired hot water boiler

The invention discloses a medium-and-large-sized full-header-type splicing module integrated gas-fired hot water boiler which sequentially comprises a hearth module, a convection module and a heat exchanger module, the hearth module and the convection module are horizontally arranged in a boiler body side by side, the heat exchanger module is arranged outside the boiler body, and an ultra-low NOx burner is arranged at the front end of the hearth module. A single or two-body module integral design is adopted, a hearth is large, low-nitrogen and high-efficiency combustion is realized, a furnace body is compact, a full-membrane wall is adopted, and two convection banks are environment-friendly and energy-saving.

Shield tunnel vertical jacking device and using method

The invention relates to the field of vertical jacking devices, in particular to a shield tunnel vertical jacking device and a using method.The shield tunnel vertical jacking device comprises a pipe jacking machine head and a jacking device body, the jacking device body is arranged below the pipe jacking machine head and used for providing tunneling force for the pipe jacking machine head, and a pipe jacking piece is arranged between the jacking device body and the pipe jacking machine head. The jacking device is used for transmitting tunneling force of the jacking device to a pipe jacking machine head, and is characterized in that a support is arranged between the pipe jacking machine head and the jacking device and comprises an upper supporting frame and a lower supporting frame, supporting devices are arranged on the upper supporting frame and the lower supporting frame and used for bearing pipe jacking pieces, a horizontal cross beam is installed on one side of the lower supporting ...

Nondestructive testing device for weld joints on inner wall of atmospheric storage tank

The invention relates to the field of storage tank detection, in particular to an atmospheric storage tank inner wall weld joint nondestructive testing device which comprises a vehicle body provided with a placement groove and a first motor arranged in the placement groove. A plurality of surface sliding grooves are formed in the side surface of the vertical rod; one end of the rotating shaft is fixedly connected with an output shaft of the first motor; the sliding block is in sliding connection with the surface sliding groove; the detection assembly comprises an ultrasonic flaw detection probe and at least one hinge rod, the hinge rod is hinged to the end face of the linkage plate, and the ultrasonic flaw detection probe is arranged at one end of the hinge rod; the driving part is used for driving the sliding block to slide; the unfolding part is used for enabling the hinge rod to rotate around the hinge point; and the rotating part is used for driving the linkage plate to rotate. By means ...

Field turning and splicing row optimization control method for automatic driving agricultural machine

The invention relates to a field turning and turning spliced row optimization control method for an automatic driving agricultural machine. A complete turning and turning path is decomposed into an operation path, a first section of arc path, a row crossing linear path, a second section of linear path and a next operation path; the distance from a point to a straight line is used as a judgment basis for agricultural machine path switching; taking the course angle variation or the steering track characteristic information as a judgment basis for ending the steering arc section of the agricultural machine; taking the ratio of the actual turning radius to the target turning radius as a ground slip coefficient; only the heading deviation of the agricultural machine is adjusted on the cross-row linear path section; and the target steering angle and the arc end point position are corrected on the second turning arc road section, and the deflection angle of the guide wheel is corrected. By optimizing ...

Vacuum unlimited-gas-volume insulating oil-gas separation device and method

The invention discloses a vacuum infinite-gas-volume insulating oil-gas separation device and method, and relates to the field of automation of power systems. Comprising a gas-liquid separation unit and a gas analysis module. A gas inlet end and a gas outlet end of a vacuum degassing chamber in the gas analysis module are respectively connected with a gas-liquid separation unit; a first connecting end of the vacuum degassing chamber is connected with an inlet of the gas collecting chamber through a sixth electromagnetic valve and a first gas balancing pump in sequence; a second connecting end of the vacuum degassing chamber is connected with an outlet of the gas collecting chamber through a seventh electromagnetic valve; and a pressure sensor is arranged in the gas collection chamber. According to the scheme, the degassing state of the oil is a vacuum state, the adjustable range of the vacuum degree is 10KPa-101KPa, the concentration of micro-content gas (such as acetylene, ethane, ethylene ...

Control cabinet

The invention discloses a control cabinet which comprises a cabinet body, a supporting plate and a lifting assembly. The lifting assembly comprises a lifting motor, a cross rod and a plurality of screw rods; the cross rod is horizontally arranged and is rotatably arranged in the cabinet body; the lifting motor is arranged on the cabinet body, is in transmission connection with the cross rod and is used for driving the cross rod to rotate; the supporting plate is arranged in the cabinet body in a lifting mode, and a plurality of threaded grooves are formed in the supporting plate. The multiple screw rods are arranged in the threaded grooves in a one-to-one correspondence mode and are connected with the threaded grooves and the cross rods in an engaged mode; and each screw rod is vertically arranged and is rotatably connected with the cabinet body. By arranging the lifting assembly, lifting of the supporting plate can be controlled after electrical components are installed on the supporting ...

Network equipment control method and device, electronic equipment and storage medium

The invention provides a network equipment control method and device, electronic equipment and a storage medium, relates to the technical field of communication, and is used for ensuring basic signal coverage and not influencing user access while reducing the energy consumption cost of a base station. The method comprises the following steps: determining a target area according to the coverage range of each network device; the target area is located in a common coverage range of the target number of network devices; the target number is greater than or equal to a preset threshold; obtaining the user number and the resource utilization rate of each network device in the target area, and determining a control strategy according to the user number and the resource utilization rate of each network device; the control strategy is used for controlling on or off of each network device in the plurality of network devices.

SNP (Single Nucleotide Polymorphism) molecular marker related to lambing number character of sheep and application of SNP molecular marker

The invention relates to the technical field of molecular markers, and particularly discloses an SNP (Single Nucleotide Polymorphism) molecular marker related to a sheep lambing number character and application thereof. The SNP molecular marker related to the lambing number character of the sheep contains a nucleotide sequence of which the polymorphism at the 100th site is A/G, wherein the nucleotide sequence is shown as SEQ ID NO.1. The SNP molecular marker has the genotype of the 100th polymorphic site of AA or GA, which corresponds to the large lambing number of sheep; the genotype is GG, and the lambing amount of the sheep is small correspondingly. Whether the sheep is a multi-fetal variety or not can be judged according to the genotype information of the GNAQ, and a theoretical basis is provided for large-scale molecular breeding of the sheep.

Motor system identification method based on neural network fitting model class mechanism form conversion

The invention discloses a motor system identification method based on neural network fitting model class mechanism form conversion. The method realizes mechanical characteristic parameter identification of a permanent magnet synchronous motor (all the motors refer to the same type). And learning the evolution rule of the state of the motor system under the controlled action by adopting a neural network, and fitting to obtain the mechanical characteristics of the motor. And converting the neural network model into a motor mechanical characteristic mechanism/class mechanism model in a state transition form through approximate conversion ways such as dynamic linearization and local linearization. And dynamic learning of the neural network is utilized to realize real-time and accurate continuous self-learning identification and tracking of partial parameters of the motor. The method can solve the problems of real-time accurate modeling and mathematical expression of an unknown, time-varying ...

Photomultiplier tube protection device for spaceborne space particle detector

The invention relates to a photomultiplier protection device for a spaceborne space particle detector. The photomultiplier protection device comprises a first mounting seat, a second mounting seat and a first protection structure, wherein the first protection structure comprises a first semi-circular groove and a second semi-circular groove, the first semi-circular groove is formed in the first mounting seat, and the second semi-circular groove is formed in the second mounting seat. And when the first mounting seat and the second mounting seat are correspondingly overlapped, the first semicircular groove and the second semicircular groove are combined to form a first protection groove matched with the photomultiplier. When the protection device is used, in the earlier stage of installation, the first installation base and the second installation base are separated independent components, during installation, the photomultiplier is placed in the first semicircular groove of the first installation ...

Pipeline burying device and method for water conservancy project

The invention discloses a pipeline burying device and method for a water conservancy project, and belongs to the technical field of pipeline burying. Comprising a top plate and further comprises two symmetrically-arranged supporting columns fixedly installed below the top plate, pushing blocks are installed in the supporting columns in a sliding mode, a first lead screw is rotatably installed between the pushing blocks on the two sides, and two symmetrically-arranged clamps are connected to the first lead screw in a threaded mode; a second lead screw is rotationally mounted on the supporting column, the upper end of the second lead screw penetrates out of the top plate and is in transmission connection with the motor through a belt, and a push block is mounted on the second lead screw in a threaded mode; the pressing block is installed below the supporting column in a sliding mode, and a brush plate is jointly and rotationally installed between the pressing block and the supporting column ...

Semiconductor structure and forming method thereof

The invention provides a semiconductor structure and a forming method thereof, and the semiconductor structure comprises a semiconductor substrate, an epitaxial layer is formed on the surface of the semiconductor substrate, and the semiconductor substrate comprises a first region and a second region; the at least one first ion implantation region is located on the epitaxial layer, and the volume of the at least one first ion implantation region is reduced in the direction from the first region to the second region; the second ion implantation region is located in the epitaxial layer of the first region, and the second ion implantation region partially covers the at least one first ion implantation region; and the at least one third ion implantation region is located in the epitaxial layer of the second region. According to the semiconductor structure and the forming method thereof provided by the invention, the volume of the at least one first ion implantation region is reduced from the ...

Respirator joint support device

... 本实用新型公开了一种呼吸机接头的支撑装置，包括主体，主体包括用于承载呼吸机接头的承载段以及与承载段相连的液体容纳段，承载段的内部设置有承载段空腔，承载段的两端设置有与承载段空腔连通的通孔；液体容纳段设置有液体容纳腔，液体容纳段的一端设置有与液体容纳腔连通的通孔，承载段空腔与液体容纳腔连通；承载段设置有连接装置，承载段与液体容纳段可拆卸连接；夹头将主体固定在所需的位置，承载段用于承载呼吸机接头，使呼吸机接头不会翻转；液体容纳段用于收集呼吸机机头以及呼吸及管道内的水，使得水不会流到床上或者病人身上或者地上；承载段与液体容纳段卡接，使得液体容纳段可以拆下更换或者倒水。 ...

Utensil pressure boost and gas heater who preheats

... 一种具增压和预热的燃气热水器，包括壳体、控制装置、水泵、进水接头、出水接头和换热管路。所述控制装置、水泵和换热管路设置于壳体内，换热管路连接于进水接头和出水接头之间，进水接头和出水接头设置于壳体上且露出于壳体外。所述壳体外设有连接于进水接头的进水管路和连接于出水接头的出水管路，出水点设置在出水管路上。所述壳体外还设有回水管路和三通阀。所述三通阀包括能够与外界供水管连接的第一流道口、与进水管路连接的第二流道口及与回水管路连接的第三流道口。所述回水管路的一端与出水管路的末端相连，回水管路的另外一端连接于三通阀的第三流道口，回水管路上设有朝向出水管路止逆的单向阀。本实用新型同时具有增压和预热功能。 ...

Online measurement and control method and system for circulating grain drying process based on total weight detection

The invention discloses a circulating type grain drying process online measurement and control method and system based on total weight detection, a grain inlet and outlet elevator is started to complete grain feeding operation, and then a hot-air blower, a combustion chamber and a grain discharging mechanism are started in sequence to dry to-be-dried grains in a drying machine main body; when to-be-dried grains are dried, the predicted falling height of the grain material level after the ith round of drying circulation is calculated, the rolling accumulation average of the predicted falling height of the material level is compared with the falling height of the target material level, and then the falling height of the material level of the next round of drying circulation of the drying machine body is controlled. And the actual material level height after drying and the target material level height are controlled to be within the error range. The grain drying process can be accurately controlled ...

Friction pile stake side soil pressure continuous monitor device and friction pile monitoring system

... 本实用新型涉及岩土工程中原位侧向土压力测试技术领域，提供抗滑桩桩侧土压力连续监测装置与抗滑桩监测系统。其中，抗滑桩桩侧土压力连续监测装置，包括压力监测单元；压力监测单元设置在抗滑桩的前侧和/或后侧，包括与护壁平行的承压垫板、承载面板和挡板；承压垫板贴设在所述护壁的外侧，承压垫板的外侧设置有承载面板，且承压垫板和承载面板之间夹设有面积小于承压垫板和承载面板的压力传感器，压力传感器用于实时显示不同阶段当前z深度处的压力值P；承压垫板的内侧面通过传力轴与挡板连接，且挡板设置在抗滑桩的钢筋笼中。该装置系统在保证监测数据可靠、连续的前提下实现对抗滑桩施工、成桩使用全过程的长期监测。 ...

Expansive soil embankment reinforcing structure and construction method thereof

The invention provides an expansive soil embankment reinforcing structure and a construction method thereof, an embankment is formed by layered filling on the ground, and the expansive soil embankment reinforcing structure sequentially comprises an expansive soil layer I, a capillary geotextile layer I, an expansive soil layer II, a capillary geotextile layer II, a gravel layer and an asphalt concrete pavement from bottom to top; covering the surface of the embankment slope with a cultivating and planting soil layer, and planting vetiveria zizanioides on the cultivating and planting soil layer to form a vetiveria zizanioides planting layer; a drainage ditch is arranged at the slope bottom of the embankment slope and is parallel to the road surface, and a sand cushion layer is arranged at the bottom of the drainage ditch.

Material dehydrator

The invention discloses a material dehydrator, and belongs to the technical field of dehydration treatment.The material dehydrator comprises an extrusion barrel, a rotary extrusion device and a supporting frame, a plurality of water leakage holes are distributed in the side wall of the extrusion barrel, the rotary extrusion device comprises an extrusion plate, extrusion strips and a threaded shaft, the extrusion strips are evenly distributed at the top end of the extrusion plate in the circumferential direction, and the threaded shaft is connected with the extrusion plate. The threaded shaft is fixedly installed at the bottom end of the extrusion plate, the extrusion plate is in clearance fit with the inner wall of the extrusion barrel, and the threaded shaft penetrates through the bottom of the extrusion barrel and is in threaded fit with the bottom of the extrusion barrel. The threaded shaft rotates in the bottom of the extrusion barrel, the extrusion plate is driven to rotate in the ...

High-temperature-resistant surface acoustic wave device with flexible mica substrate and manufacturing method of high-temperature-resistant surface acoustic wave device

The invention discloses a high-temperature-resistant surface acoustic wave device based on a flexible mica substrate and a manufacturing method, and relates to the technical field of surface acoustic wave devices, and the key points of the technical scheme are that the high-temperature-resistant surface acoustic wave device based on the flexible mica substrate structurally comprises the flexible substrate, a buffer layer, a piezoelectric film, an interdigital electrode and a protective layer from bottom to top in sequence. A high-temperature-resistant mica flexible substrate is adopted, a high-quality AlN piezoelectric film is prepared through introduction of a buffer layer, a nanoscale metal Pt interdigital electrode is designed and processed, and an Al2O3 protection layer is supplemented, so that a flexible high-frequency surface acoustic wave device which stably works in a high-temperature environment of 800 DEG C or above is realized.

Partitioned power supply protection device for carrier rocket

The invention provides a partitioned power supply protection device for a carrier rocket. The partitioned power supply protection device comprises m DC/DC modules which are connected in parallel, each DC/DC module is connected in series with n fusing protectors which are connected in parallel; the primary power supply is respectively connected with the m DC/DC modules; the primary power supply outputs different voltage values through the DC/DC module to form voltage partitions, and then outputs the voltage partitions through the fusing protector to form a secondary power supply. Through reasonable design of the number of the fusing protectors and division of protection areas, the method has the advantages of low cost, high reliability, easiness in expansion, easiness in implementation and the like. Compared with the conventional on-rocket power supply protection technology, when short circuit occurs, the fault area is smaller, and the influence on the whole function is smaller.

Process template management method and electronic equipment

The invention provides a process template management method and electronic equipment. The method comprises the steps that a new process is created, the process comprises a plurality of nodes and dependency data and function information of the process, node metadata and process metadata are extracted from the process, the node metadata and the process metadata are stored as JSON format files, the JSON format files are filtered, function information of the process is obtained, and the function information of the process is stored in the JSON format files. Determining self-defined nodes and a process template of the process according to the JSON format file, generating a node template according to the self-defined nodes, checking dependency data of the process template, marking the process template as an available template if the dependency data of the process template meets a preset condition, and instantiating the available template. According to the method and the device, the process template ...

Safety control device for sublevel landing area of solid carrier rocket

The invention provides a safety control device for a sublevel landing area of a solid carrier rocket. The safety control device comprises a solid boosting safety controller, a safety mechanism, an electric detonator, a detonating cord and an energy-gathered explosive cord. On the basis that additional executing mechanisms and systems are reduced as much as possible, residual fuel of the solid booster is fully utilized, and the purpose that the falling area of the booster is controllable is achieved. By adopting a dual-redundancy electric detonator mechanism, explosion leakage caused by a single detonation line fault can be effectively avoided, and the reliability of the system is improved. Compared with the prior art, the method is lower in cost and easier to implement.

Cable fault detection system and detection method

The invention discloses a cable fault detection system and method, and belongs to the technical field of cable fault detection, and the system comprises a detection module, an initialization information collection module, an information data processing module, a comparison module, a judgment module, and a sample data iteration updating module. The detection module, the initialization information acquisition module, the information data processing module, the comparison module, the judgment module and the sample data iteration updating module are wirelessly connected with one another, the voltage is detected through the first detection unit, whether the cable breaks down or not is judged according to the detection result of the voltage, and when the voltage is stable, the detection module is connected with the comparison module, and the detection module is connected with the comparison module. Influence items, current and resistance are detected through the detection unit, and external influence ...

Power grid bearing capacity evaluation method and device and electronic equipment

The invention discloses a power grid bearing capacity evaluation method and device and electronic equipment. The method comprises the following steps: acquiring output data of a plurality of access schemes for accessing a renewable distributed power supply to a power grid and load data of power grid nodes; based on the output data and the load data, calculating the net load consumption proportion of the power equipment of the power grid, and determining the resource bearing capacity of the power grid; calculating the power flow distribution uniformity of the power grid according to the transmission power and the load rate of the branches of the power grid, and determining the resource bearing capacity of the power grid; the resource bearing capacity and the safety bearing capacity serve as evaluation indexes of the power grid bearing capacity after the renewable distributed power supply is connected to the power grid; calculating a comprehensive weight set of evaluation indexes of the power ...

Gas insulation cabinet welding fixture device and using method thereof

The invention discloses a gas insulation cabinet welding fixture device and a using method thereof, an inner core positioning mechanism, a side plate positioning mechanism and a coaming positioning mechanism are arranged on a turnover fixture platform, and the inner core positioning mechanism is provided with a movable water-cooling side plate supporting plate, a movable water-cooling front side coaming supporting plate and a discharging mechanism; an upper water-cooling block, a rear water-cooling block, a front first water-cooling block, a front second water-cooling block and a main linear driving mechanism are arranged on the side plate positioning mechanism; the coaming positioning mechanism comprises a top rear side coaming pressing mechanism and a front side coaming pressing mechanism; under the mutual matching action of the mechanisms, the side plates and the surrounding plates of the gas insulation cabinet can be accurately pressed and positioned, and in the welding process, the ...

Global unique identifier generation method and device, electronic equipment and storage medium

The embodiment of the invention provides a globally unique identifier generation method and device, electronic equipment and a storage medium. The globally unique identifier generation method comprises the steps of receiving a globally unique identifier generation request of target data; generating a machine identifier of a machine to which the target data belongs by using a raft algorithm; randomly generating a sequence identifier and a sub-table identifier; and generating a global unique identifier of the target data based on the machine identifier, the sequence identifier and the sub-table identifier. The machine identifier of the machine to which the target data belongs is generated by using the raft algorithm, and then the global unique identifier is generated without depending on third-party software, so that additional deployment of resources is not needed, and the global unique identifier is generated under the condition of deploying fewer resources.

Steam generation control system

... 种蒸汽发生控制系统，除了包括底盘及固定于底盘上方的上盖外，还包括位于上盖上方的旋转钮，所述旋转钮能够相对于上盖在圆周方向上运动。所述上盖设有上下贯通的若干第蒸汽出气孔，所述旋转钮设有上下贯通的若干第二蒸汽出气孔，所述第二蒸汽出气孔在上下方向上对应于第蒸汽出气孔且能够与第蒸汽出气孔部分重叠。本实用新型蒸汽发生控制系统通过旋转钮上的第二蒸汽出气孔来改变上盖上第蒸汽出气孔的大小以此来改变蒸汽湿度，实现了蒸汽湿度的可调及可控。 ...

Preheating device before extrusion of aluminum sheath of smooth aluminum sheath cable

The invention relates to a preheating device before extrusion of an aluminum sheath of a smooth aluminum sheath cable, which comprises a hollow box body, through holes for the cable to pass through are respectively formed in two side walls of the box body, an inner cavity of the box body is provided with an induction coil, the induction coil and the through holes are coaxially arranged, the inner cavity of the box body is provided with a transformer used for being connected with a power supply, and the transformer is connected with the power supply. One end of the induction coil is electrically connected with a positive wiring terminal of the transformer, and the other end of the induction coil is electrically connected with a negative wiring terminal of the transformer. The device has the effect of uniformly adding the cable aluminum sheath.

Molecular marker related to thermo-sensitive genic male sterility character of rice and application of molecular marker

The invention discloses a molecular marker related to the thermo-sensitive genic male sterility character of rice and application of the molecular marker, and relates to the technical field of biology. The invention provides a molecular marker dCAPS-1 related to the thermo-sensitive genic male sterility character of rice, and the dCAPS-1 is characterized in that a primer pair N1 is used for amplifying rice genome DNA to obtain a 242bp amplified fragment, and the 242bp amplified fragment is subjected to NdeI enzyme digestion to obtain a 25bp fragment and a 217bp fragment. The invention also provides a molecular marker dCAPS-2 related to the thermo-sensitive genic male sterility character of the rice, and the dCAPS-2 is a 246bp amplified fragment obtained by amplifying a rice genome DNA (Deoxyribonucleic Acid) by using a primer pair E1, and a 22bp fragment and a 224bp fragment are obtained after enzyme digestion of an EcoRI enzyme. The molecular marker provided by the invention is significantly ...

Man-machine integrated intelligent agricultural machine automatic driving formation transition system and method

The invention discloses a man-machine fusion intelligent agricultural machinery automatic driving formation transition system and method, and the system is installed on a vehicle piloting host and a plurality of following slaves, and the piloting host and each following slave are respectively provided with a same driving state collection system. A formation control terminal system, a router main station and a main machine WiFi module which are connected in sequence are further arranged on the navigation main machine, each following slave machine is provided with a slave machine WiFi module which is in wireless communication with the main machine WiFi module, and all collected information is transmitted to the formation control terminal system through the router main station. A vehicle-mounted computer in the formation control terminal system obtains a machine adjustment decision following a slave computer, a pilot host operator transmits a human decision to the vehicle-mounted computer ...

Bridge structure operation and maintenance safety assessment method under high slope condition

The invention discloses a bridge structure operation and maintenance safety evaluation method under a high slope condition, and relates to the technical field of bridge structures, soil layer conditions are analyzed, a first slope stability coefficient Xo and a second slope stability coefficient Xt of a slope soil layer are determined, and the stability of the slope soil layer is evaluated; a slope soil layer safety coefficient PAs is obtained, when the slope soil layer safety coefficient PAs is larger than a threshold value, a soil layer landslide model is established, and the maximum horizontal displacement Zy of a slope soil layer is predicted through finite element analysis; the influence of slope displacement on a bridge pile foundation is analyzed, and a bridge safety risk value PQs is obtained; determining a slope-bridge correlation coefficient Qar according to the value of the slope-bridge correlation coefficient Qar; according to a slope-bridge correlation coefficient Qar as an ...