Agreement self -adaptation electric automobile direct current fills electric pile system

... 本实用新型公开了种协议自适应电动汽车直流充电桩系统，包括EPC?9200，还包括与所述EPC?9200连接的人机交互模块、数据采集模块、充电管理模块、接口转换模块、配电管理模块和上位机交互模块。该系统在保证对电动汽车快速安全充电的基础上，能够对电动汽车充电过程电池的状态进行实时监测，并对电池的各项参数进行采集呈现，用户可以参考电池状态制定个性化的充电方案，为用户提供了多元化的交互方式。 ...

Flexible reference electrode and preparation method thereof

The invention belongs to the technical field of electrode preparation, and discloses a flexible reference electrode and a preparation method thereof. Carbon cloth and graphene oxide serve as a substrate of a reference electrode, a silver layer is deposited on the flexible graphene oxide/carbon cloth substrate through an electrochemical method, a petal-shaped Ag/AgCl reference electrode is prepared through an electrochemical chlorination method, and the graphene oxide/carbon cloth Ag/AgCl is coated with a layer of conductive hydrogel serving as an encapsulating film. The prepared conductive hydrogel/graphene oxide/carbon cloth-Ag/AgCl reference electrode has excellent conductivity, stability and ion permeability, is long in service life and good in electrode performance, can be compared favorably with a commercial electrode, and can be applied to efficient detection of ethanol.

Remote logging operation method and system

The invention provides a remote logging operation method and system. The method comprises the following steps: establishing a remote data acquisition unit and a well site data acquisition unit; the remote data acquisition unit and the well site data acquisition unit are communicated based on a remote transmission network; the remote data acquisition unit issues a control instruction to the well site data acquisition unit, simultaneously acquires data and sends logging data to the real-time database, so that remote logging data acquisition is realized, and well site logging equipment and data acquisition can be controlled at a remote end under the condition of not depending on well site operation logging acquisition software; the system not only collects data of ground equipment and downhole instruments of a logging system, but also supports remote control operation and data collection of the logging winch, the number of well site operation engineers and the number of winch workers can be ...

VEHICLE SHARING METHOD AND SERVER

Disclosed by the present solution are a vehicle sharing method and a server, the vehicle sharing method comprising: receiving a shared use agreement of a vehicle, the shared use agreement comprising a standardized constraint for in-vehicle occupant information; when detected that a user uses the vehicle, controlling a vehicle-mounted device of the vehicle to collect in-vehicle occupant information; determining whether the in-vehicle occupant information collected by the vehicle-mounted device conforms to the standardized constraint for in-vehicle occupant information in the shared use agreement; if not, sending non-compliance prompt information to a vehicle owner terminal of the vehicle, and handing over authority for controlling the vehicle-mounted device of the vehicle to collect in-vehicle occupant information to the vehicle owner terminal; controlling the vehicle to execute a corresponding operation according to the degree of non-compliance of the in-vehicle occupant information. By ...

煮烤一体机

Preparation method of ceramic tile with non-slip effect and ceramic tile

The invention relates to the technical field of ceramic tiles, and particularly discloses a preparation method of a ceramic tile with an anti-slip effect and the ceramic tile. The method comprises the following steps: step 1, pressing a green body, and drying at the drying temperature of 200 DEG C; 2, after water is sprayed on the green body, overglaze is sprayed, the specific gravity of the overglaze is 1.85 g/cm < 3 >, and the glazing amount is 380 g/m < 2 >; 3, the temperature of the green body is kept to 70 DEG C, a pattern is printed in an ink-jet mode, digital anti-slip ink and digital anti-fouling ink are sequentially printed, the ink amount of the digital anti-slip ink is 35 g/m < 2 >, and the ink amount of the digital anti-fouling ink is 38 g/m < 2 >; 4, drying is conducted, then high-temperature firing is conducted, the firing temperature is 1195 DEG C, and the firing time is 65 min; and step 5, after firing, lightly polishing and edging to obtain the ceramic tile with the non-slip ...

Pump outlet loading loop pressure adjusting system and method

The invention belongs to the field of hydraulic systems, and relates to a pump outlet loading loop pressure regulating system and method, which comprises a pipeline communicated with an oil tank, and a flow regulating valve group, a flow measuring component and a filtering device communicated with the oil tank which are sequentially arranged on the pipeline, the flow control valve group comprises three pneumatic film flow control valves which are arranged in parallel; the filtering device is provided with a low-temperature oil return filter and a high-temperature oil return filter which are connected in parallel; and the flow regulating valve group, the flow measuring component and the filtering device are communicated with a control program. The loop adopts the flow valve to adjust the pressure of the pump outlet, and has the advantages of compact structure, light weight, sensitive action, streamline fluid channel, small pressure drop loss, large valve capacity, accurate flow characteristic ...

Gas atomization spraying disc for preparing nano-particle reinforced metal powder

The invention discloses a gas atomization spray disc for preparing nano-particle reinforced metal powder, and relates to the technical field of metal powder processing, the gas atomization spray disc comprises a rotating seat, a spray disc and a liquid outlet assembly; the rotating seat is disc-shaped, and a rotating column is coaxially fixed at the bottom of the rotating seat; the rotating column is a cylindrical hard column body, and a spraying disc is fixed to one side of the lower half portion of the rotating column. Upper and lower end surfaces of the spraying disc are vertical to the axis of the rotating column; the lower end face of the spraying disc is a fixing plate. The liquid outlet assembly comprises a liquid outlet pipe and a triangular spray head; the liquid outlet pipe coaxially penetrates into the rotating seat and the rotating column and penetrates into the spraying disc from one side of the rotating column, and the tail end of the liquid outlet pipe is vertically and downwards ...

New energy automobile battery management system aging test method and equipment

The invention discloses a new energy automobile battery management system aging test method and equipment, and the method comprises the steps: inputting the BMS information of a to-be-tested BMS, and putting the to-be-tested BMS into an equipment clamp; circularly switching the BMS to carry out an aging test; checking the tracing state of the BMS, and monitoring the aging test process of the BMS; and after the test is completed, outputting a BMS test result, and taking out the tested BMS. The equipment comprises a test bench, a high-temperature aging oven, a fixing clamp and a test module. The test efficiency and the automation level are remarkably improved, the whole test process is more economical, efficient and reliable, and the method can be widely applied to aging test scenes of large-batch new energy automobile battery management systems.

Small-sized stirring machine capable of uniformly mixing

The present invention relates to the technical field of stirrers, and discloses a uniform mixing small-sized stirrer, the uniform mixing small-sized stirrer comprises a shell, a fluted disc, a gear ring and a plurality of transmission gears, a motor device and a transmission are arranged above the outer side of a stirring cavity in the shell and are used for driving the fluted disc to rotate, the fluted disc is rotatably mounted on the top surface in the shell, and the transmission gears are arranged on the fluted disc. The gear ring is fixedly installed on the top face of the interior of the shell, and the transmission gear is located between the gear ring and the gear disc. According to the small stirring machine with the uniform mixing function, through the combined design of the gear disc, the gear ring and the transmission gear and the combined design of the linkage rod, the supporting rod, the stirring disc, the stirring rod and the scraping disc, the stirring efficiency is improved ...

METHOD AND DEVICE FOR PROCESSING SHORT LINK, AND SHORT LINK SERVER

A method and device for processing a short link and a short link server, the method comprises: receiving, from a requester, an access request for a short link, the access request comprising a first short link web address (210); extracting a first short link code and a first designated web address code from the first short link web address (220); if the short link code cannot be retrieved from a database or the retrieved short link code has expired, obtaining a corresponding designated web address according to the first designated web address code, and jumping to the designated web address (230). By means of the method, it is possible to jump to different customized designated web addresses according to different designated web address codes, such that various designated web address codes can map different designated web addresses under a same domain name, thus making short link processing more flexible while saving storage space.

METHOD FOR DATA TRANSMISSION AND EQUIPMENT THEREOF

A method for data transmission and equipment thereof are provided, wherein the data transmission method includes the following steps: when the base station supports several wireless standards, the Radio Equipment RE of the base station determines the wireless standards of the RE's two ports respectively; and uses said two ports to transmit the data of the corresponding wireless standard respectively. By using the technical solution provided by the embodiment of the present invention, the base station can support several wireless standards, and can transmit the service data and the control data of multi-standard service data normally.

设备标识牌(环形穿梭车铭牌)

虹膜采集模块

Thermometer and sensor test bench

... 本实用新型公开了一种温度表及传感器试验台，旨在提供一种便于控制模拟温度环境的温度表及传感器试验台，解决了模拟温度环境不易控制和调节的问题，其技术方案要点是包括壳体、供传感器连接用以显示的仪表、与仪表通讯连接的工业计算机，还包括供传感器放置并模拟环境温度的恒温槽装置，所述恒温槽装置包括水浴箱、设置于水浴箱底部的搅拌电机、所述水浴箱连接有升温循环水管，所述升温循环水管上设有提供水循环动力的循环泵和供水循环提供热量的加热器，所述水浴箱上还连接有降温循环水管，所述降温循环水管上设有为水浴箱提供冷水的储水箱和用于回收温水的回收箱，达到了模拟温度环境稳定，温度调节方便、快速，便于温度传感器的调节和检测的效果。 ...

Logging curve feature learning method and system based on deep neural network

The invention provides a logging curve feature learning method and system based on a deep neural network, and the method comprises the steps: screening logging data, carrying out the preprocessing of the logging data, building a neural network model, carrying out the self-supervision training of the neural network model according to the preprocessed logging data, and carrying out the self-supervision training of the neural network model. And performing curve feature calculation according to the trained neural network model, and finally evaluating the curve features. According to the method, the depth correlation between the logging curves is analyzed, the features of more dimensions are obtained from a small number of logging curves, dimension raising analysis of the logging curves is achieved, and the precision of the model is improved; according to the method, the purpose of establishing the feature model for the real distribution condition of the logging data can be achieved; according ...

电子点火模块沾药自动生产工艺及装备

... 一种电子点火模块沾药自动生产工艺及装备，属于军工及民用爆破领域，沾药方法包括以下步骤:1将混合均匀的药剂装入药剂容器内；2将电子点火模块装入模具内；3供胶系统自动添加粘合剂；搅药装置和刮平装置将容器内的药剂搅匀刮平；4检测系统检测药液高度，抓取装置抓取模具将点火模块头部侵入药剂内，侵入深度根据药剂浓度设置；5抓取装置带动模具在药剂内运动后脱出药剂；6通过调整抓取装置角度让药剂在点火模块处形成水滴状；7药剂晾至药头定型；8调整抓取模具重复步骤4-步骤7，直至药头形状能够满足使用要求。优点在于：采用群模沾药提高效率，采用定容、定量，提高产品稳定性、一致性，实现人机隔离，提高安全性。 ...

HOURGLASS TYPE AIR SPRING ASSEMBLY

A hourglass type air spring assembly, comprising an upper cover plate (1), an air bag (2), an upper end plate (3), and a lower end plate (4). The periphery of the upper cover plate (1) is connected with the periphery of the upper end plate (3) by means of the air bag (2); a low-position hourglass elastomer (5) and a high-position elastomer (6) which are integrally formed are connected between the upper end plate (3) and the lower end plate (4); an annular notch (7) is formed between the low-position hourglass elastomer (5) and the high-position elastomer (6); and an annular rigid partition plate (8) fitted with the annular notch (7) is provided in the annular notch (7). The air spring assembly has the advantages of being simple in structure, convenient in installation, low in heavy-load vertical rigidity and high in comfort and stability.

Fingerprint comparison method and device, storage medium and equipment

The invention discloses a fingerprint comparison method and device, a storage medium and equipment, and belongs to the field of fingerprint identification. The method comprises the following steps: calculating 2-neighbor structure representation of each minutia point in a first group of minutia points and a second group of minutia points; calculating a local similarity matrix of the first group of minutiae and the second group of minutiae; selecting a plurality of elements from the local similarity matrix according to a sequence from large to small, and obtaining corresponding matching pairs; calculating a matching certainty similarity matrix of each matching pair; for each matching determinacy similarity matrix, selecting a matching minutia pair and calculating a matching score; and calculating a total matching score according to all the matching scores. According to the method, distance difference and angle difference information and limited box information are fused to calculate a matching ...

High-low voltage power distribution cabinet convenient to install

The invention discloses a high-low voltage power distribution cabinet convenient to install, which comprises a high-low voltage power distribution cabinet, rotating grooves are formed in the four corners of the bottom end of the high-low voltage power distribution cabinet along the front-back direction, two first sliding grooves are formed in the four corners of the bottom end of the high-low voltage power distribution cabinet along the front-back direction, and the two first sliding grooves are respectively positioned on the left and right sides of the rotating grooves; the two ends of the guide rod are arranged on the front side and the rear side of an inner cavity of the first sliding groove correspondingly. And the first spring is connected to the front side of the outer wall of the guide rod in a sleeving mode, and the front end of the first spring is clamped to the front side of the inner cavity of the first sliding groove. The high-low voltage power distribution cabinet can be stably ...

STRIPPING AND WIRE-SEPARATING SHAPING MACHINE

A stripping and wire-separating shaping machine, comprising a rack (1), a first driving member (2), a first support member (3) and a cutter assembly; the first driving member (2) is mounted on the rack (1) and drives the first support member (3) in an X-axis direction, the cutter assembly is provided on the first support member (3), and the cutter assembly comprises an upper cutter mechanism (4) and a lower cutter mechanism (5) fitting with each other; said machine further comprises a wire-separating assembly (6) provided on the cutter assembly, the rack (1) or the first support member (3), the wire-separating assembly (6) comprising a second driving member (61), an ejector pin assembly (62) and a third driving member (63); and the second driving member (61) drives the ejector pin assembly (62) in a Z-axis direction, the third driving member (63) drives the ejector pin assembly (62) in the X-axis direction, and the ejector pin assembly (62) is provided close to a cutter edge of the cutter ...

LOAD BALANCING SYSTEM, METHOD, AND DEVICE

The present application discloses a load balancing system, method, and device for resolving the issue in which communication efficiency is low in existing load balancing mechanisms. The method comprises: a load balancing device receiving a first message transmitted by a client device and requesting the establishment of a first TCP connection; transmitting the first message to a server device; receiving a second message transmitted by the client device and requesting establishment of a second TCP connection; determining, according to a token of the server device in the second message, a destination device of the second message to be the server device, and transmitting the second message to the server device so as to establish the second TCP connection between the client device and the server device. Thus, multipath transport control can be realized in a load balancing mode, improving communication efficiency.

BUILDING INTERCOM ACCESS CONTROL SYSTEM AND INDOOR INTERCOM

The embodiments of the present application relate to the technical field of intercoms, and disclose a building intercom access control system and an indoor intercom. Said system comprises a building intercom provided at the entrance of the building, and indoor intercoms provided in the rooms of the residents; the building intercom is used for acquiring, when a calling signal is detected, visitor information corresponding to the calling signal, and sending the acquired information to the indoor intercom of the resident corresponding to the calling signal; the indoor intercoms each comprises a signal access module, a first main control module and a first communication module; the signal access module is used for sending information , which is acquired by the building intercom, to the first main control module; the first main control module is used for processing the information and sending the processed information to the first communication module; and the first communication module is used ...

Multi -functional spareribs cutting equipment

... 本实用新型涉及肉制品加工设备领域，具体涉及一种多功能排骨切割设备。该多功能排骨切割设备包括工作台和电动切割装置，工作台中间设有一沿纵向运动的滑动台板，该滑动台板上设置有定位装置和一压杆机构，压杆机构以可拆卸方式铰接在滑动台板上；压杆机构包括前端绕铰接轴转动的压杆，压杆前端侧壁上开有放置待切排骨的置肉槽，压杆后端设有向下运动的限位装置；定位装置包括固定在滑动台板上的横向板、定位块、通过横向板横向运动的定位杆和对定位杆限位的固定螺钉。本实用新型解决了切口不整齐的问题和实现在排骨切割中骨断肉不断的效果，且生产效率高，生产一致性好。此外还避免了传统的直接铡刀或锯子存在的安全隐患，适合流水线生产。 ...

Manufacturing method of neodymium iron boron with high comprehensive performance

The invention discloses a manufacturing method of neodymium iron boron with high comprehensive performance, relates to the technical field of neodymium iron boron magnetic materials, and aims to obtain a neodymium iron boron product with the advantages of salt resistance, moisture resistance, pressure resistance, less thermal demagnetization and the like through an environment-friendly method. The method comprises the steps that two or more kinds of metal are mixed and smelted and then prepared into alloy powder through an atomization method, then the alloy powder is prepared into slurry, and the surface of a neodymium iron boron blank is evenly coated with the slurry in a spraying mode and dried; the neodymium iron boron blank coated with the slurry is put into an annealing furnace and annealed, and heat treatment is conducted for 3 h to 7 h under the condition of 450 DEG C to 550 DEG C; and the discharged product is ground to a required size by using a grinding machine, pickled and dried ...

Industrial user-oriented active and reactive multi-element joint probability prediction method and system

The invention belongs to the field of multivariate joint probability prediction, and relates to an industrial user-oriented active and reactive multivariate joint probability prediction method and system, and the method comprises the steps: taking active power data as a target variable, and taking electricity price data, voltage data, calendar effect variable data and active power data as first prediction factors; obtaining a single prediction quantile of the active power through a probability active power prediction model; taking the reactive power data as a target variable, taking the electricity price data, the voltage data, the calendar effect variable data and the active power data as first prediction factors, and obtaining a single prediction quantile of reactive power through a probability reactive power prediction model; and taking the active power prediction quantile and the reactive power prediction quantile as second prediction factors, taking the active power data and the reactive ...

Method for synthesizing oxalate and co-producing alkyl carbonate from alkyl oxalate

The invention discloses a method for synthesizing oxalate and co-producing alkyl carbonate from alkyl oxalate, which comprises the following steps: (1) adding the alkyl oxalate and a metal compound into a container A, and fully mixing; (2) the alkyl carbonate generated by the reaction flows out from the upper part of the container A, and is condensed, rectified and purified to obtain an alkyl carbonate product; and (3) carrying out solid-liquid separation on a solid-liquid mixture flowing out from the lower part of the container A, returning a liquid-phase material to the container A for recycling, and carrying out post-processing on the separated solid material to obtain an oxalate product. In the technical field of chemical engineering, multi-product output is achieved, the technological method is simple and novel, industrialization is easy, raw materials are recycled and reutilized, economic benefits are high, and a new way is provided for comprehensive utilization industrialization ...

Large excavator start-stop control system and control method

The invention discloses a large excavator start-stop control system and method, and belongs to the technical field of engineering machinery control, and the large excavator start-stop control system comprises a man-machine interaction platform, a dual-engine system, a dual-power supply system, a power supply relay, a complete machine load and the like. Start-stop control and safety protection functions, including conventional start, conventional stop, emergency start, emergency stop and the like, of a double-engine system of a large excavator in multiple modes can be realized, isolation/parallel state switching of a double-storage-battery power supply system can be realized, the functions of double-power-supply independent operation and compensation voltage sharing are realized, and the safety of the double-engine system of the large excavator is improved. And the energy-saving performance, the safety and the reliability of the system are further improved.

EMERGENCY AIR SPRING ASSEMBLY

Disclosed is an emergency air spring assembly, comprising an upper cover board (1), an air bag (2), an upper end plate (3) and a lower end plate (4); the periphery of the upper end plate (3) is connected with the periphery of the lower end plate (4) by means of the air bag (2); a sand glass elastomer (5) is connected between the upper cover board (1) and the upper end plate (3); and a plurality of steel springs (6) are pressed in a circumferential direction of the sand glass elastomer (5) between the upper cover board (1) and the upper end plate (3).

HEATING DEVICE AND ELECTRONIC CIGARETTE

A heating device and an electronic cigarette. The heating device is used for heating the cartridge of an electronic cigarette, and comprises a heating element (1) and a support member (2) used for supporting the heating member (1). The heating element (1) and the support member (2) are integrally formed. The heating element (1) and the support member (2) are integrally formed, and therefore, there is no assembly gap therebetween, thereby avoiding the impact on the normal operation of the electronic cigarette due to leakage of the e-liquid generated by heating the cartridge to the interior of the electronic cigarette.

METHOD FOR DETERMINING NUMBER OF PUFFS OF ELECTRONIC CIGARETTE, AND ELECTRONIC CIGARETTE

A method for determining the number of puffs of an electronic cigarette, and an electronic cigarette. The method comprises the following steps: setting a target temperature of a heat-generating body of an electronic cigarette, acquiring, by means of detection, a current temperature of the heat-generating body, and determining a temperature difference according to the target temperature and the current temperature; when the temperature difference is less than a start threshold value, repeatedly collecting the temperature difference; when the temperature difference is greater than the start threshold value, beginning to integrate the temperature difference in terms of time, stopping integration when the temperature difference is less than the start threshold value, and determining a current integral value; and confirming the number of puffs once when the current integral value exceeds a determination threshold value, and not counting the number of puffs when the current integral value is ...

ELECTRONIC CIGARETTE KIT

An electronic cigarette kit, comprising a housing (1), a heating element (2), a main board (3), a battery (4) and a cigarette cap component (5), wherein the main board (3) and the battery (4) are arranged in the housing (1); the heating element (2) and the battery (4) are both electrically connected to the main board (3), and the cigarette cap component (5) is detachably connected to the housing (1). The cigarette cap component (5) comprises a cigarette cartridge bin (51) which is slidably connected onto the housing (1), and a rotating component (52) rotatably connected onto the housing (1); a first cavity (511) having an upward opening is formed on the cigarette cartridge bin (51), and a through hole (512) is formed in the bottom wall of the first cavity (511); the heating element (2) may penetrate the through hole (512) so as to heat a cigarette cartridge (10) placed in the first cavity (511), and the rotation of the rotating component (52) may drive the cigarette cartridge bin (51) to ...

Peelable coating and preparation method thereof

The present invention provides a peelable coating and a preparation method thereof, the peelable coating comprising: 60-80 parts by mass of a water-based resin emulsion; 1-5 parts by mass of modified carbon fiber; 5-10 parts by mass of a filler; and 2-5.6 parts by mass of an auxiliary agent. Wherein the surface of the modified carbon fiber is coated with a silane coupling agent. According to the peelable coating provided by the embodiment of the invention, the modified carbon fibers in the coating can improve the mechanical property of the peelable coating, so that the coating has higher impact resistance, adhesive force and tensile strength, a coating film has better continuity and integrity, and the protection and peeling performance of the coating film can be improved; the problem of temporary protection of surface coatings of segmented splicing and folding parts of ships, port machinery and the like is solved, the work amount of secondary rust removal and tracking supplementary coating ...

Nucleic acid aptamer targeting p53-R175H, protein targeting degradation chimera of nucleic acid aptamer and application of nucleic acid aptamer and protein targeting degradation chimera

The invention belongs to the technical field of biological medicines, and relates to a p53-R175H-targeted nucleic acid aptamer, a protein targeted degradation chimera thereof and application of the aptamer and the protein targeted degradation chimera. The DNA aptamer of the chimera is degraded in a targeted mode through the protein of the targeted p53-R175H, the DNA aptamer is connected with a ligand of E3 ubiquitin ligase through a connecting molecule, and the DNA aptamer is the aptamer of the targeted p53-R175H. The p53-R175H-targeting protein targeted degradation chimera provided by the invention is higher in affinity and high in serum stability, so that precise medical treatment on p53-R175H mutation tumors is realized.

High-pressure hydrogen filling gun for hydrogen fuel cell automobile and use method of high-pressure hydrogen filling gun

The invention discloses a hydrogen fuel cell automobile high-pressure hydrogen filling gun and a using method thereof.An inlet of the high-pressure hydrogen filling gun is connected with a high-pressure hydrogen pipeline in a hydrogen filling machine through a hydrogen filling pipeline, a check valve element is arranged in an outlet of the high-pressure hydrogen filling gun, and the check valve element is in sealed butt joint with a gas receiving nozzle through a gas receiving nozzle sealing ring; and the high-pressure hydrogen filling gun is in sealing fit with a hydrogen fuel cell automobile gas receiving nozzle, and the gas receiving nozzle is arranged at the hydrogenation inlet end of the hydrogen fuel cell automobile. The filling gun is simple in structure, small in size and convenient to operate and has an obvious operation in-place indication mark, a filtering device is arranged at a gun inlet, a dust cover is arranged on a gun head, the problem that cavity parts are prone to being ...

Method for detecting water content of vinasse

According to the vinasse moisture content detection method based on the near infrared spectrum, data preprocessing and analysis are conducted through measurement of the near infrared reflection spectrum in combination with a physicochemical metrology method, a vinasse moisture content prediction model is established, and then rapid and accurate measurement of the vinasse moisture content is achieved. The method has the advantages that rapid and nondestructive detection can be realized without consuming chemical reagents, the near-infrared spectrum test means has better test stability, the detection result has higher repeatability, and in the near-infrared band, the test signal can be transmitted in the optical fiber in a long distance, so that the method is suitable for large-scale popularization and application. Therefore, long-distance data transmission can be performed through the optical fiber, automation and integration of the whole detection process are realized, parallel processing ...

OSCILLATION START-UP WIND SPEED EVALUATION METHOD AND TYPE SELECTION METHOD FOR COMPOSITE INSULATOR

An oscillation start-up wind speed evaluation method and a type selection method for a composite insulator, comprising: performing finite element simulation on a composite insulator to acquire wind pressure distribution cloud pictures of upper and lower surfaces of an umbrella skirt (3); selecting a positive wind pressure concentration region which comprises a first umbrella skirt edge in a wind pressure distribution cloud picture of a lower surface; selecting a negative wind pressure concentration region which covers the positive wind pressure concentration region in the wind pressure distribution cloud picture of the lower surface, and manufacturing a loading plate of which the shape is consistent with that of the negative wind pressure concentration region; pasting the loading plate onto a corresponding position on the surface of the umbrella skirt (3), loading a weight on the loading plate so as to make the umbrella skirt (3) deform, measuring the deformation, and then computing a unit ...

DEVICE FOR DISASSEMBLING LIQUID CRYSTAL DISPLAY

Provided is a device for disassembling a liquid crystal display, comprising a carrying table (20), a disassembling support (30), a separating part (31) and a driving component (50). The carrying table (20) comprises a carrying surface (A). The carrying surface (A) is provided to carry the liquid crystal display (101) to be disassembled. The liquid crystal display (101) to be disassembled comprises a display panel (10) and a backlight module (11) glued to each other. The separating part (31) is located above the carrying table (20) and mounted on the disassembling support (30). Under the driving of the driving component (50), the separating part (31) moves in a first direction and enters a gap between the display panel (10) and the backlight module (11). The first direction intersects the extending direction of the separating part. The problem that a display panel and a backlight module are difficult to disassemble can be solved by the device for disassembling a liquid crystal display.

ROAD TRAFFIC DATA RECORDING METHOD AND VEHICLE-MOUNTED DEVICE

Disclosed are a road traffic data recording method and a vehicle-mounted device. The road traffic data recording method comprises: obtaining location information of a vehicle; obtaining road traffic environment data of the vehicle according to the location information; calculating and analyzing the road traffic environment data to determine whether a traffic abnormality exists; if yes, classifying and extracting the road traffic environment data according to privacy degree levels, and generating the classified and extracted road traffic environment data into first data according to a preset rule; and submitting the first data to a blockchain node server so that the blockchain node server registers the first data in a blockchain. Embodiments of the present solution ensures the transmission accuracy and timeliness of road traffic abnormality data, protects user privacy, and also creates economic values for users, thereby improving the enthusiasm of the users to upload road environment data ...

WIND RESISTANCE TYPE COMPOSITE INSULATOR AND MOLD THEREOF

Disclosed by the present invention are a wind resistance type composite insulator and a mold thereof. For a structural parameter value range of a ±1100 kV wind resistance type composite insulator in a strong wind region, an optimal design is given, and nine preferential umbrella type structures are given. According to the present invention, structural parameters and the umbrella type structures of the ±1100 kV wind resistance type composite insulator in the strong wind region are optimized, thresholds of the structural parameters are quantitatively regulated, the design and processing of related products may be well guided, the industrial gap is effectively filled, and great application value and market prospects are achieved.

Wheel pair running -in test machine

... 本实用新型公开了一种轮对磨合试验机,包括机架，设置在机架两侧并用于固定机车轮对的固定机构，用于驱动轮对转动的轮对转动机构，以及液压站，所述支撑机构包括：分别设置在机架两侧用于托住轮对的安装架底部的支撑座，以及用于在所述安装架安放在支撑座上后将其压紧于支撑座的压紧机构。本实用新型能够同时实现轮对与安装架的磨合。 ...

Manufacturing method of multi-layer integrated multi-mode implantable sensor

The invention relates to a manufacturing method of a multi-layer integrated multi-mode implantable sensor, and belongs to the technical field of physiological detection. The problems that in the prior art, a multi-mode sensor mostly adopts a plane type distribution mode, the area is large, and the integration degree is low are solved. The method comprises the following steps: providing a first flexible substrate; preparing a pressure sensor and a corresponding lead wire on the first flexible substrate to obtain a first sensing layer; preparing a second flexible substrate on the first sensing layer, and preparing a non-exposed flexible sensor and a corresponding lead wire on the second flexible substrate to obtain a second sensing layer; preparing a third flexible substrate on the second sensing layer, and preparing an exposed flexible sensor and a corresponding lead wire on the third flexible substrate to obtain a third sensing layer; the first sensing layer, the second sensing layer and ...

Vertical rod stacking device for ring lock type scaffold production

The invention discloses a vertical rod stacking device for ring lock type scaffold production and relates to the technical field of scaffolds.A stacking mechanism is rotationally installed on one side of the top end of a base, a discharging mechanism is slidably installed on the other side of the top end of the base, and a sorting mechanism is installed on one side of the discharging mechanism. The weight of the steel pipes stacked in a single layer can be limited and adjusted, the length and the bending degree of the stacked steel pipes in the transferring process are detected through the sorting mechanism, tracking type fixed-length conveying of the steel pipes is achieved through the discharging mechanism, the three mechanisms are matched, loading, quality inspection and discharging are integrated, the application range of the device is greatly widened, and the production efficiency is improved. The device can be applied to loading, receiving and conveying work of various columnar materials ...

ANTI-PD-L1 ANTIBODY AND USE THEREOF

Provided in the present invention are a PD-L1 antibody and a use thereof; the antibody or an active fragment thereof does not block the binding of PD-1 with PD-L1, and specifically targets the IgC-like region of PD-L1. The non-blocking PD-L1 antibody of the present invention can circumvent SPD-L1 to the maximum extent, and has the activity of inducing ADCC/CDC functional effects whilst also having excellent anti-tumour activity.

Short video release information detection method and system, and cloud platform

The invention relates to the technical field of short video and information detection, and relates to a short video release information detection method and system, and a cloud platform. According to the embodiment analysis result and the difference between the analysis results, the correction data corresponding to the original analysis result is determined, and the original analysis result of the first short video release service data is detected according to the correction data. Therefore, the sample data of the second short video release service data under the same target release content type can be effectively utilized to analyze the original analysis result of the first short video release service data; according to the method and the device, the abnormity generated by analyzing the short video release service data directly based on the data of the first short video release service data is reduced, so that a more accurate analysis result can be obtained, and the reliability and the ...

SHORT LINK PROCESSING METHOD, DEVICE AND SERVER

The present application discloses a short link processing method, a device and a server, and the method comprises: receiving a requester's application request for a short link, the application request including a first long link URL; computing a corresponding first database table identification according to the first long link URL; determining whether a first database corresponding to the first database table identification is within its own access range; if the first database is within its own access range, then acquiring the corresponding first short link URL in the first database, and sending the first short link URL to the requester. Therefore, the present application can realize the conversion of the long link URL to the corresponding short link URL in a sharding mode, and the corresponding short link URL is unique and brief, thereby enhancing the horizontal scalability of the short link storage space and improving the short link processing speed.

METHOD, DEVICE AND SYSTEM FOR ESTABLISHING CHANNEL FOR WIRELESS SIGNAL TRANSMISSION

A method, device and system for establishing a channel for wireless signal transmission are disclosed in the present invention, and said channel relates to a wired medium for connecting an access device with a distributed node. The method includes the following steps: the access device obtains communication performance parameters of the distributed node; the access device determines a frequency used for transmitting a wireless signal via the wired medium according to the communication performance parameters and the frequency spectrum range in which the access device can work; the access device adjusts its parameters based on said frequency, and transmits a message including said frequency to the distributed node, so that the distributed node can adjust its parameters according to said frequency, thus a channel for wireless signal transmission is established via the wired medium. The method, device and system provided in the present invention transmit wireless signals via the wired medium ...

IRIS RECOGNITION METHOD AND DEVICE FOR MOBILE TERMINAL

Disclosed is an iris recognition method for a mobile terminal. A face camera and an iris camera are provided in the mobile terminal. The iris recognition method comprises: controlling the face camera to shoot a face image of a target; detecting whether the face image shot by the face camera meets a preset condition; and when it is detected that the face image shot by the face camera meets the preset condition, controlling the iris camera to shoot an iris image of the target. The present invention solves the problem in the related art that the shooting position cannot easily meet the iris recognition requirements during iris recognition, and achieves an effect that the iris recognition requirements can be easily satisfied during shooting of the iris image.

Filter membrane scray

... 本实用新型涉及检测技术领域，提供了一种滤膜折叠器，包括圆形折叠器本体，所述圆形折叠器本体沿其相互垂直的两中心线分隔为四个折叠部，相邻两折叠部之间可对折，其中两相邻所述折叠部沿其外边缘均设有用于卡住滤膜边缘卡槽。本实用新型中，将滤膜放入圆形折叠器本体上，利用卡槽将滤膜固定，将各折叠部沿两中心线依次对折，从而可将放入其内的滤膜对折，最后将圆形折叠器本体打开，滤膜已具有折叠痕迹，这时用镊子沿折叠痕迹轻轻对折即完成滤膜折叠，利用上述的滤膜折叠器大大提高滤膜折叠效率，同时避免在折叠对滤膜造成损伤。 ...

Product surface powder electrostatic coating process

The invention relates to the technical field of powder electrostatic coating, and discloses a product surface powder electrostatic coating process which comprises the following steps: S1, cleaning treatment: putting a product in a clear water tank, and carrying out primary cleaning with clear water to remove dust and impurities adhered to the surface of the product; s2, deoiling treatment is carried out; s3, alkaline etching treatment; s4, carrying out neutralization treatment; s5, passivating treatment is carried out; s6, spraying treatment is conducted; s7, curing treatment is carried out; s8, detection treatment is conducted, specifically, the product subjected to curing treatment is detected; the passivation treatment step is added in the whole coating process, and the adhesive force of a coating layer can be improved to a certain extent through passivation treatment; a reinforcing agent is added into a conventional powder material, the porous powder quartz contains hydroxyl, the adhesive ...

Method for detecting residual solvent in alpha-ribose methanesulfonate by gas chromatography

The invention discloses a method for detecting a residual solvent in alpha-ribose methanesulfonate by using a gas chromatographic method, belonging to the technical field of chemical detection, the residual solvent in the alpha-ribose methanesulfonate is detected by using the gas chromatographic method, an instrument is a gas chromatograph, a detector is an FID detector, a chromatographic column is a DB-WAX quartz capillary chromatographic column, carrier gas is N2, the flow velocity is 3.0 mL/min, and the detection time is 30 minutes. The split ratio is 20: 1, the column temperature is kept at 40 DEG C for 10 minutes, then the temperature is raised to 80 DEG C at the speed of 10 DEG C per minute, then the temperature is raised to 250 DEG C at the speed of 40 DEG C per minute and kept for 3 minutes, headspace sampling is performed, the equilibrium temperature is 90 DEG C, the quantitative loop temperature is 100 DEG C, the transmission line temperature is 110 DEG C, and the equilibrium ...

TUNNEL WALL-ADHERING SHUTTLE PLATFORM AND TUNNEL MONITORING APPARATUS

A tunnel wall-adhering shuttle platform (30) and a tunnel monitoring apparatus (100), the tunnel wall-adhering shuttle platform (30) being suited to shuttling in water in a tunnel (20) below a shield well (10), the tunnel wall-adhering shuttle platform (30) comprising a control apparatus (303), a winch (304), a cable (302), and a carrying platform (301) capable of floating on water, the control apparatus (303) being electrically connected to the winch (304), the carrying platform (301) being electrically connected to the control apparatus (303) by means of the cable (302), one end of the cable (302) being connected to the carrying platform (301) and the other end of the cable (302) being wound onto the winch (304), and the control apparatus (303) controlling the release and retraction of the cable (302) such that the carrying platform (301) can shuttle in a reciprocating motion along the inner wall of the tunnel (20) in a wall-adhering manner. By means of the control apparatus (303) controlling ...

Equipment and method for producing HIPS (High Impact Polystyrene) plastic for automotive upholstery

The invention provides an HIPS (High Impact Polystyrene) plastic production device and method for automotive upholstery. The HIPS plastic production equipment for the automotive upholstery comprises a double-screw extruder and a feeding hopper arranged on the double-screw extruder, a portal frame is fixedly installed on the double-screw extruder, a bearing plate is arranged above the portal frame, a first supporting column and a second supporting column are fixedly installed at the top of the bearing plate, and the first supporting column and the second supporting column are fixedly installed on the double-screw extruder. The top of the first supporting column and the top of the second supporting column are each fixedly provided with an arc-shaped supporting piece, the two arc-shaped supporting pieces are provided with the same material barrel, a discharging pipe is fixedly installed on one side of the material barrel, a fixing base is fixedly installed on the top of the portal frame, and ...

Plastic product processing device

The invention relates to the technical field of plastic product processing, in particular to a plastic product processing device which comprises a base, a support and a processing assembly, the support is erected above the base, and the processing assembly comprises an adjusting unit, a pressing unit, a first electric push rod, a frame body, two second electric push rods, two clamping plates, two processing units and two fixing units. The two second electric push rods are fixedly connected with the frame body and symmetrically distributed on the two sides of the frame body, a machined workpiece is pressed through the pressing unit, meanwhile, the adjusting unit drives the first electric push rods to move, the second electric push rods contract to drive the clamping plates to clamp and fix the machining unit, and at the moment, the fixing unit relieves fixing of the machining unit; and then, the machining unit is moved to a machining workpiece for machining, so that the machining unit can ...

Aquaculture tail water treatment device

The invention discloses an aquaculture tail water treatment device which comprises a garbage pool, a plurality of filtering pools and at least one water purification pool, the filtering pools and the water purification pool are arranged around the garbage pool, space resources can be better utilized, a filtered water source can automatically flow into the water purification pool under the action of the gravity of tail water and atmospheric pressure, and the water purification effect is improved. Under the action of the conveying belt, the conveying belt can serve as a filter screen to filter the tail water, sliding of the conveying belt can be converted into conveying of the conveying belt under the action of sliding arrangement of the conveying belt and the action of the first linkage piece, filtered objects filtered and intercepted on the conveying belt can be conveyed into a garbage pool, and therefore the filtering effect of the conveying belt is improved. The surface of the conveying ...

Metal local heating and cutting device

The invention relates to the technical field of metal local heating and cutting, and discloses a metal local heating and cutting device which comprises a cutting box and a local heating box, an inner cavity is formed in the cutting box, an annular guide rail is arranged on the inner wall of the inner cavity, and the local heating box is slidably mounted on the surface of the guide rail; a cutting module is installed in the local heating box, the cutting module is a flame cutting head or a laser cutting head, the metal local heating and cutting device can conduct preheating treatment on the surface of a cut metal piece, meanwhile, heat dissipation treatment can be conducted on the surface of the cut metal piece, and the cutting efficiency is improved. And through the combined design of a heat conduction block, a conveying pipe set, a second heat conduction column, a connecting plate and a second heat conduction plate in a heat dissipation cavity, heat generated by cutting machining can be ...

Online differential speedometer and laser radar parameter calibration method and system

The invention provides an online differential speedometer and laser radar parameter calibration method and system, and the method comprises the steps: carrying out the point cloud scanning matching according to a grid map and the obtained laser point cloud data of the current frame of a laser radar, and obtaining the current pose of the laser radar; according to the timestamps of the first frame point cloud and the current frame point cloud, performing interpolation on the differential speedometer data according to the timestamps to obtain speedometer data under the corresponding timestamps; based on the current pose of the laser radar and the odometer data under the corresponding timestamp, obtaining a parameter calibration result of the differential odometer and the laser radar through a pose transformation relation between the laser radar and the differential odometer, adding a residual item and iteratively optimizing the transformation relation; according to the invention, the pose ...

CARBON MATERIAL-BASED POWER GENERATION DEVICE AND METHOD FOR MANUFACTURING SAME

A carbon material-based power generation device and a method for manufacturing the power generation device. The device comprises a power generation assembly and a volatile liquid (14), wherein the power generation assembly comprises an electrically insulated carrier plate (11), a first electrode and a second electrode (12) arranged on the surface of the carrier plate without intersecting with each other, and a carbon material layer (13) integrally deposited between the two electrodes (12) and forming a conductive path together with the two electrodes (12); one end of the carbon material layer (13) is constantly immersed in the volatile liquid (14), while the other end is exposed to an environment outside of the surface of the volatile liquid (14); a potential difference is created between the first electrode and the second electrode (12) by use of the difference of interactions between the carbon material and the liquid within different areas between the two electrodes (12) while being ...

TEMPERATURE DETECTION CIRCUIT AND ELECTRONIC CIGARETTE

A temperature detection circuit and an electronic cigarette. The temperature detection circuit is used to detect a heating temperature of the electronic cigarette, and comprises: a power source input module used to input a controllable power source; a sampling resistor electrically connected to the power source input module and used to perform sampling of a current in a loop; a heating element electrically connected to the sampling resistor and used to release heat to heat a smokable material in an electronic cigarette; and a control module electrically connected to the power source input module, the sampling resistor, and the heating element, respectively, and used to control activation of output by the power source input module, to calculate a resistance value of the heating element after output by the power source input module has been activated, and to account for a correspondence between resistance values of the heating element and temperature, so as to obtain a temperature of the ...

Toughened high-entropy alloy and preparation method thereof

The invention discloses a strengthening and toughening high-entropy alloy and a preparation method thereof, the molecular formula of the strengthening and toughening high-entropy alloy is FeaNibCrcMndTie, a, b, c, d and e in the formula respectively represent the atomic ratios of corresponding metal elements, a is equal to 35, b is equal to 35, c is equal to 20, d is equal to 10, and 1 < = ilt; 7. The preparation method comprises the following steps: firstly preparing metal block particles of Fe, Ni, Cr, Mn and Ti, then carrying out high-vacuum electric arc melting, then cooling and solidifying to form a cast ingot, then carrying out high-temperature homogenization heat treatment on the smelted alloy cast ingot, taking out the alloy cast ingot, and carrying out water quenching to normal temperature, thus obtaining the strengthened and toughened high-entropy alloy. A coherent secondary phase eta-Locks structure is constructed at the grain boundary of the high-entropy alloy, so that the plasticity ...

Obstacle detection method, system and equipment based on depth map template and medium

The invention discloses an obstacle detection method, system and device based on a depth map template, and a medium, and relates to the technical field of image data processing, and the method comprises the steps: obtaining a ground depth map template; performing camera calibration according to the ground depth map template to obtain a pitch angle and a camera height of the camera relative to the mounting main body; acquiring a to-be-detected depth map, and performing differential processing on the to-be-detected depth map and the ground depth map template to obtain an obstacle depth map; when the obstacle depth map is not empty, the obstacle depth map is converted into an obstacle point cloud map, the obstacle point cloud map is rotated and translated according to the pitch angle and the camera height, and therefore obstacle point cloud information under the installation body coordinate system is obtained. The operation overhead caused by large point cloud processing is avoided, and the ...

DIRECTIONAL SEED THROWING MECHANISM FOR GARLIC AND CONTROL METHOD

A directional seed throwing mechanism for garlic and a control method, the seed throwing mechanism comprising a base (6), a rotating device, a visual sensor (1), a seed throwing guide plate (11), a seed guide tube (5) and a plurality of bulbil adjusting devices, wherein the rotating device comprises a rotating motor (10) and a rotary plate (2); the rotating motor (10) is detachably connected to the base (6); an output end of the rotating motor (10) is connected to the rotary plate (2); the number of bulbil adjusting devices is an even number, and the bulbil adjusting devices are all fixedly mounted on the rotary plate (2) and are symmetrically mounted; each bulbil adjusting device comprises a seed holding bowl and a bulbil direction control device for driving the seed holding bowl to rotate by 180 degrees; an upper port of the seed guide tube (5) is positioned just below the bulbil adjusting devices and is arranged on the base (6); the seed throwing guide plate (11) is arranged on the rotary ...

VIRTUAL MONEY BALANCE BYPASS INQUIRY METHOD, SYSTEM AND COMPUTER-READABLE STORAGE MEDIUM

Provided is a virtual money balance bypass inquiry method, comprising: receiving a purchase demand submitted by a client side, the purchase demand containing the sum to be paid; receiving a balance inquiry request asynchronously transmitted by the client side, the balance inquiry request carrying the sum to be paid; inquiring the balance in a user account according to the balance inquiry request, and obtaining a result token by comparing the balance in the user account with the sum to be paid; asynchronously returning the result token to the client side. Also provided are a virtual money balance bypass inquiry system and computer-readable storage medium. The present invention inquires the balance via a bypass, moves the user account balance inquiry to a commodity selection stage prior to payment confirmation, thus improving system payment success rate for a transaction, and further improving transaction payment performance due to the utilization of asynchronous balance inquiry.

BACTERIUM FOR ENGINEERING ACARBOSE, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Provided are a bacterium for engineering acarbose, a preparation method therefor, and an application thereof. The bacterium for engineering acarbose is an acarbose producing Actinoplanes bacterium or a derivative strain thereof, in which one or both of the following genes are inactivated: (i) a gene M that codes a polypeptide having the sequence shown in SEQ ID NO: 2 or having a sequence identity of at least 80%, 90%, 95%, or 99% with the sequence shown in SEQ ID NO:2; and (ii) a gene N that codes a polypeptide having the sequence shown in SEQ ID NO: 3 or having a sequence identity of at least 80%, 90%, 95%, or 99% with the sequence shown in SEQ ID NO:3. Production of acarbose using the bacterium for engineering acarbose can reduce impurities of a component A and/or a component B in a product.

Fuel pump test bed

... 本实用新型公开了一种燃油泵试验台，旨在提供一种自动检测出口压力并在过压是自动将溢流的油液进行回收的燃油泵试验台，解决了试验设备超压运行时的溢油问题造成的油液的浪费问题，其技术方案要点是包括存储有油液的油箱、连接油箱的供油管道、设置于供油管道上用于连接燃油泵输入端的接口一、用于连接燃油泵输出端的接口二，所述接口二连接有通向所述油箱的回流管道，所述接口二上还设有用以检测接口二的压力大小的压力传感器和泄压回路管道，所述泄压回路管道上设置有电磁阀，所述电磁阀和压力传感器之间点连接有接收压力传感器电信号并在压力超过阈值时启动电磁阀的控制电路，达到了节能、降低陈本的效果。 ...

Blending white spirit homogenizing device

The utility model relates to a blending white spirit homogenizing device which comprises a homogenizing box, and two measuring cylinders are fixedly connected to the top of the homogenizing box. According to the white spirit blending homogenizing device, the cleaning brush is driven by the stirring rod to rotate together, so that the inner wall of the homogenizing box is brushed, residues on the inner wall are prevented, water on the inner wall can be adsorbed by the fully-dry cleaning brush, accumulated water in the homogenizing box is prevented, and when the white spirit blending homogenizing device is used, the cleaning brush is pulled downwards to separate a spring clamping block and an inserting cylinder from an inserting groove; the bottom cover is mounted on the homogenizing box, various white spirit ingredients are quantified through the scales of the measuring cylinder, the piston is pulled to move upwards, the quantified white spirit ingredients enter the homogenizing box through ...

Hot fog conveying device and method

The invention provides a hot fog conveying device and method. The hot fog conveying device comprises a hot fog generating device and a plurality of blocking pieces. The hot fog generating device comprises a plurality of sections of hot fog pipelines which are communicated with one another, and the sections of hot fog pipelines are sequentially arranged along the peripheral wall of the fog chamber; a plurality of mist outlet holes are formed in the surface of each section of hot mist pipeline, and blocking pieces are arranged on the surface of each section of hot mist pipeline in a one-to-one correspondence mode; one end of each blocking piece is arranged on the ground, and the other end of each blocking piece is obliquely lapped on the surface of any section of the hot fog pipeline and keeps a preset gap with the wall surface of the fog chamber to form a hot fog output belt, so that hot fog airflow is gathered to the center of the top along the wall from bottom to top and then wets the ...

Preparation method of high-purity kaempferol 3-O-(2 ''-O-apiperidinyl) rutin

The invention discloses a preparation method of high-purity kaempferol 3-O-(2 ''-O-apiprafuryl) rutin. The preparation method comprises the following steps: extracting medicinal materials; injecting the extracting solution into a preparative liquid chromatograph, taking acetonitrile-1% glacial acetic acid as a mobile phase, and collecting 10-11 minutes effluent to obtain primary preparative eluent; recovering the solvent from the obtained eluent, dissolving residues with a proper amount of methanol, feeding the obtained solution into a high performance liquid chromatograph, and collecting the effluent for 5-7 minutes by taking acetonitrile-1% glacial acetic acid as a mobile phase to obtain a secondarily prepared eluent; and recovering the solvent from the eluent, and drying under reduced pressure to obtain a target compound. According to the method, the target compound can be efficiently, rapidly and pertinently separated from the folium sennae auriculati, the purity is high (greater than ...

Fuel cell aircraft

The invention relates to a fuel cell aircraft which comprises an aircraft body and wings, the wings are arranged at the top end of the middle of the aircraft body, a movable enclosure is arranged on the aircraft body in an openable mode, a fuel cell and a fuel tank are arranged in the aircraft body, and fuel in the fuel tank is connected to the fuel cell through a pipeline. The fuel tank is detachably arranged in the machine body through the opening of the movable machine shell. A rear hatch for dismounting/mounting the fuel tank is formed in the rear end of the machine body, the movable machine shell is hinged to the rear hatch, and the fuel cell is arranged in the middle of the machine body. The mounting and fixing mode of the fuel tank is simplified, mounting can be completed by arranging the fuel tank in the machine body and covering the opening cover, and mounting steps are reduced. The fuel tank is limited and supported through the machine body, and the safety of the fuel tank is ...

Identity recognition method and device, storage medium and equipment

The invention discloses an identity recognition method and device, a storage medium and equipment, and belongs to the field of biological recognition. According to the method, the posture deflection of the user is quickly and accurately found by utilizing the relevance of eyeball deflection and face posture deflection. Firstly, eyeball deflection judgment is carried out based on an iris image, whether a face posture deflects or not is determined, then the deflection direction and angle of the face posture are judged based on the face image, and correction is carried out to obtain the iris image, meeting actual application requirements, of a to-be-recognized object when human eyes are in front view. According to the method, the success rate and efficiency of iris image acquisition are improved, the accuracy of iris recognition is further improved, detection and correction of large-angle face posture deflection can be realized, and the requirement of face posture diversity in the actual application ...

Chitosan oligosaccharide derivative corrosion inhibitor and preparation method thereof

The invention provides a chitosan oligosaccharide derivative corrosion inhibitor and a preparation method thereof. The corrosion inhibitor is prepared from chitosan oligosaccharide and vanillin according to a molar ratio of 1: 13. The chitosan oligosaccharide derivative corrosion inhibitor provided by the invention has the characteristics of easy metal bonding and good film forming stability of chitosan, contains a large amount of functional groups such as primary amine and hydroxyl, has higher water solubility, can be completely dissolved in water and has stronger biological activity and characteristics compared with chitosan, so that the chitosan oligosaccharide derivative corrosion inhibitor is suitable for metal corrosion protection, and has a good application prospect. The problem of limited field application caused by insufficient solubility of chitosan and derivative corrosion inhibitors thereof can be solved. Static weightlessness experiments prove that when the corrosion inhibitor ...

Supporting assembly and display device

The invention discloses a supporting assembly and a display device, the supporting assembly comprises a supporting part and a driving mechanism, the supporting part at least comprises a first supporting plate and a second supporting plate, the driving mechanism is used for driving the supporting part to switch between a first state and a second state, in the first state, the second supporting plate is parallel to the first supporting plate, and in the second state, the second supporting plate is parallel to the second supporting plate; in the second state, the second supporting plate is located on one side of the first supporting plate, and the second supporting plate and the first supporting plate intersect. On this basis, when the flexible display panel is in the non-outward bending state, the supporting component can be in the first state, the first supporting plate and the second supporting plate jointly provide supporting force for the non-bending area, and when the flexible display ...

SPRAYING ROD SELF-BALANCING AND DAMPING APPARATUS AND AGRICULTURAL DRONE SPRAYING ROD

A spraying rod self-balancing and damping apparatus and an agricultural drone spraying rod. The spraying rod self-balancing and damping apparatus (8) comprises a housing (1), a bracket (3), and nut-and-bolt components. An upper cover (6) is provided on top of the housing (1). A cavity is provided within the housing (1). Multiple steel balls (2) are provided in the cavity. The bracket (3) is provided on a sidewall of the housing (1). The bracket (3) is provided with an engaging groove fitting a spraying rod (7) and is provided with the nut-and-bolt components on the side away from the housing (1). The agricultural drone spraying rod comprises a unit frame (10), a spraying rod (7), and multiple spraying rod self-balancing and damping apparatus (8). The unit frame (10) is connected to an agricultural drone. The spraying rod (7) is pivotally connected as one with the unit frame (10) via a rotating shaft (9). The spraying rod self-balancing and damping apparatus (8) are symmetrically provided ...

Motor gear direct-drive turntable

The utility model relates to a motor gear direct-drive rotating disc which comprises a rotating disc body provided with a rubber roller and a rotating disc support connected to the bottom of the rotating disc body, teeth not protruding out of the surface of the rubber roller are arranged on the rubber roller body in the radial direction of the rubber roller, and a containing cavity with the top open is formed in the rotating disc support. A driving motor mounted on the turntable support and a gear mounting plate for mounting a gear are arranged in the accommodating cavity, the gear mounting plate is arranged in front of an output shaft of the driving motor and is perpendicular to the output shaft of the driving motor, a gear is mounted on the gear mounting plate, and the gear is in transmission connection with the rubber roller by being meshed with the teeth; and an output shaft of the driving motor is fixedly connected with the gear. The device is simple in structure and easy to produce ...

Method for preparing prebaked anode by blending recycled graphite of aluminum electrolysis waste cathode carbon block

The invention belongs to the technical field of aluminum electrolysis hazardous waste resource utilization, and particularly relates to a method for preparing a prebaked anode by blending recycled graphite from aluminum electrolysis waste cathode carbon blocks, the contact effect of the recycled graphite and a binder can be remarkably improved through surface modification treatment, and therefore the mixing and kneading quality of the blended prebaked anode is improved; the molten binder is used as a blending carrier of the recovered graphite, so that the dispersion uniformity of the recovered graphite in the organic binder can be improved. The physical and chemical properties of the prebaked anode product prepared by blending the graphite recovered from the aluminum electrolysis waste cathode carbon block meet the related regulations of Prebaked Anode for Aluminum Electrolysis (YS/T 285-2012).

NOVEL ELECTRIC MOTOR BASE

An electric motor base, comprising an upper cover (1), a buffer plate (2) and a bottom plate (3) which have a rectangular cross-section. The upper and lower sides of the buffer plate are symmetrically provided with a plurality of equally spaced protrusions (21) respectively, the outer periphery of each protrusion is sleeved with a spring (23), and the upper cover and the bottom plate are respectively provided with grooves (4), a mounting tank (11) is provided on the top surface of the upper cover, fixing columns (12) are provided in the mounting tank, buffers (13) are provided on bottom edges of the upper cover, each buffer comprises a connecting column (131) and a connecting sleeve (132), and a stop block (133) is provided at the lower end of each connecting column, a fixing block (14) is fixedly connected to the lower end of each buffer, and each fixing block is provided with a screw hole. The structure of the electric motor base is reasonably designed, and is able to buffer against shock ...

Arrange carbide slag drying and ferrosilicon collecting system futilely

... 本实用新型公开了一种干排电石渣干燥及硅铁收集系统，属于建材领域，包括储存及输送系统,干燥系统,干粉收集及储存系统,硅铁收集/输送及储存系统,废气处理系统及供热系统；其特征在于干燥管包括进口风管、集料斗、喉管、分隔腔、干燥腔、出口风管，顺序联接组成；干燥管一侧通过热风管和供热系统相连通，另一侧和干粉收集及储存系统相连通，干燥管下端集料斗与硅铁收集/输送及储存系统相连通；电石渣在干燥管内实现了干燥和硅铁分离两个过程；本实用新型为电石渣干燥和硅铁处理提供了可靠的技术支撑；同时，本实用新型使用动力设备少，效果良好，易于推广应用。 ...

On-line metering and adding system for diatomite

The invention discloses an on-line metering and adding system, particularly discloses an on-line metering and adding system for diatomite, and belongs to the technical field of design and manufacturing of production equipment of drinks and beverages. The invention provides the on-line metering and adding system for diatomite, which can effectively improve the production efficiency and reduce the labor intensity of operators. The online metering and adding system comprises a premixing tank group, and further comprises an air conveying device, a temporary storage device and a metering device, the material output end of the temporary storage device is connected with the material input end of the metering device, and the material output end of the metering device is connected with the premixing tank group; in the diatomite adding process, unpacked diatomite is input into the temporary storage device under the cooperation of the air conveying device, and is input into the premixing tank group ...

Personnel identification method and device, electronic equipment and storage medium

The embodiment of the invention discloses a personnel recognition method and device, electronic equipment and a storage medium, and belongs to the technical field of biological feature recognition, and the personnel recognition method comprises the steps: obtaining a biological feature image of a to-be-recognized person; performing 1: N comparison on the biological characteristic image by using a first algorithm; if matched personnel are searched during 1: N comparison, 1: 1 comparison is carried out on the front preset number of personnel in the matched personnel by using a second algorithm, the recognition speed of the first algorithm is higher than that of the second algorithm, and the recognition accuracy of the first algorithm is lower than that of the second algorithm; and if the 1: 1 comparison is passed, personnel identification is passed. The embodiment of the invention has the advantages of high recognition speed and high recognition accuracy.

Paint wet film thickness laser measurement equipment and method

The invention relates to a paint wet film thickness laser measurement device, comprising: an infrared laser used for emitting paint-penetrable infrared laser to a target workpiece coated with paint; the ultraviolet laser is used for emitting ultraviolet laser which cannot penetrate through the paint to a target workpiece coated with the paint; the double-wave photoelectric detector is used for receiving the infrared laser which penetrates through the paint on the target workpiece and is scattered on the surface of the target workpiece and the ultraviolet laser which is scattered on the surface of the paint on the target workpiece; and the controller is electrically connected with the infrared laser, the ultraviolet laser and the double-wave photoelectric detector. The paint film thickness measuring device has the advantages that non-contact paint film thickness measurement is achieved through the laser technology, paint film thickness detection can be carried out when paint is not dry, ...

TRANSPORTING JIG

A transporting jig, comprising a body, wherein an injection molding mold (3) is arranged on the body; during injection molding, a semi-finished product on the transporting jig does not need to be removed from the transporting jig, which is advantageous to reducing the time consumption of product production and increasing production efficiency; the injection molding mold (3) is arranged close to a clamping mechanism (4), which increases the precision of injection molding; and a lower injection molding mold may continuously support an injection molding piece on the semi-finished product, so that an injection molding body is prevented from falling, and subsequent processing is facilitated.

PRELOADED EMERGENCY AIR SPRING ASSEMBLY

A preloaded emergency air spring assembly, comprising an upper cover plate (1), an airbag (2), an upper end plate (3), and a lower end plate (4). The periphery of the upper end plate (1) is connected to the periphery of the lower end plate (4) via the airbag (2). A steel spring (6) is provided between the upper cover plate (1) and the upper end plate (3). Multiple hourglass elastomers (5) are provided in the circumferential direction of the steel spring (6) between the upper cover plate (1) and the upper end plate (3). The air spring assembly have the advantages of being structurally simple and convenient to install, having low weight-supporting vertical stiffness, large vertical distension, and a high degree of comfort and stability, reducing creep, and allowing the implementation of soft stopping.

METHOD FOR IMPROVING COERCIVE FORCE OF SINTERED NEODYMIUM IRON BORON MAGNET BY ADDING DYSPROSIUM HYDROGEN COMPOUND AND PRODUCT

A method for improving a coercive force of a sintered neodymium iron boron magnet by adding a dysprosium hydrogen compound, the method specifically comprises the following steps: 1) preparing a main phase alloy as a uniform fine powder by a hydrogen explosion airflow milling method, and milling a grain boundary phase alloy into a fine powder by a ball milling method; 2) sufficiently and uniformly mixing the prepared main phase alloy powder and grain boundary phase fine powder; 3) orientating the mixed main phase and grain boundary phase powders in a magnetic field, and performing press forming; and 4) sintering the pressed block in a high-vacuum sintering furnace and tempering twice to prepare a final magnet. Also disclosed is a sintered neodymium iron boron magnet prepared by the method. The sintered neodymium iron boron magnet prepared by the method is high in coercive force, simple and convenient to prepare, easy to operate, is not prone to oxidization in the preparation process, and ...

LOCATING METHOD AND LOCATING DEVICE FOR IRIS

The present invention relates to a locating method and locating device for the iris. The method includes the following steps: step 1, performing facula detection on an iris image; step 2, judging whether the iris image swings; step 3, initially locating the pupils; and step 4, locating the iris. The beneficial effects of the present invention are: locating the edges inside the iris using a 2D circular Gabor filter and a circular weight calculus detection operator, deleting the noise and exception points on the external boundary using a combined method of the circular weight calculus detection operator and clustering to obtain correct external boundary locating, thus reducing the interference to the iris identification system by the noise and exception condition, and improving the stability and accuracy of the iris locating algorithm.

MULTI-SPLIT AIR CONDITIONING SYSTEM AND SWITCHING CONTROL METHOD FOR OPERATING MODE OF INDOOR UNITS THEREOF

A multi-split air conditioning system and a switching control method for an operating mode of indoor units thereof. The method comprises the following steps: when any indoor unit (21, 22, 23, 24) in multiple indoor units (21, 22, 23, 24) receives a mode switching instruction, the indoor unit (21, 22, 23, 24) sends the mode switching instruction to a shunt device (30) (S1); the shunt device (30) performs switching control on a heating control valve or a refrigeration control valve corresponding to the indoor unit (21, 22, 23, 24) according to the received mode switching instruction, releases pressure by controlling a second throttling assembly (34), a first control valve, and a bypass valve in order to reduce a differential pressure across the refrigeration control valve or the heating control valve corresponding to the indoor unit (21, 22, 23, 24), obtains a switching flag bit of a four-way valve, and controls the refrigeration control valve or the heating control valve corresponding to ...

Continuous molding die spare drilling and tapping equipment

... 本实用新型提出了一种连续型工件钻孔攻丝设备，包括工作台、夹持机构、钻孔机构和攻丝机构，夹持机构包括第一驱动机构、第一转盘，第一驱动机构用于驱动第一转盘转动；第一转盘外沿设有n个用于夹持工件的夹槽；钻孔机构、攻丝机构关于第一转盘对称设置，钻孔机构包括第二驱动机构和钻孔组件，第二驱动机构用于驱动钻孔组件沿着第一转盘径向移动，钻孔组件包括钻头和第三驱动机构，第三驱动机构用于驱动钻头转动；攻丝机构包括第四驱动机构和攻丝组件，第四驱动机构用于驱动攻丝组件沿着第一转盘径向移动，攻丝组件包括攻丝丝锥和第五驱动机构，第五驱动机构与攻丝丝锥用于驱动攻丝丝锥转动。本实用新型可对工件连续钻孔攻丝，工作效率高，加工精度高。 ...

Preparation method of selective emitter photovoltaic cell and photovoltaic module

The invention discloses a preparation method of a selective emitter photovoltaic cell and a photovoltaic module, and the preparation method of the selective emitter photovoltaic cell comprises the following steps: providing a silicon wafer, the surface of which comprises a grid line region used for arranging an electrode and a non-grid line region located outside the grid line region; texturing the silicon wafer to form a textured structure on the surface of the silicon wafer; and removing the suede structure of the grid line area. According to the method, the textured structure of the grid line area is removed before the grid line area is subjected to heavy doping, so that damage to the textured structure of the grid line area in the heavy doping process is avoided, irregularity of the textured structure can be caused by damage to the textured structure, recombination of the grid line area of the photovoltaic cell can be promoted by irregularity of the textured structure, and then the ...

Waste heat recycling rotary kiln for red mud thermal reaction

The invention discloses a waste heat recycling rotary kiln for thermal reaction of red mud, which is characterized by comprising an inner barrel, an outer barrel, a heat exchanger, a heat exchanger and a heat exchanger, an outer cylinder; the burner is provided with a fire outlet end; a power device; a raising plate; a heat conduction pipe; a smoke outlet; the lifting plate is connected to the inner wall of the inner cylinder body; the power device is connected with the inner cylinder body and can drive the inner cylinder body to rotate along the axis of the inner cylinder body; the inner cylinder is located in the outer cylinder, and an annular cavity is formed between the outer cylinder and the inner cylinder. The fire outlet end of the burner is connected with the outer barrel and extends into the annular cavity; the two ends of the heat conduction pipe are connected with the inner wall of the inner cylinder body and extend into the annular cavity. And the smoke outlet is positioned ...

Reference electrode for dopamine detection and preparation method thereof

The invention discloses a reference electrode for dopamine detection and a preparation method thereof, and belongs to the field of electrochemistry. Carbon cloth serves as an electrode substrate material, silver is deposited through an electrochemical deposition method, a carbon cloth-silver electrode is obtained, then the carbon cloth-silver electrode is chlorinated through an electrochemical chlorination method, and the carbon cloth-silver/silver chloride electrode is prepared. And finally, pouring polyvinyl alcohol hydrogel on the surface of the carbon cloth to obtain the polyvinyl alcohol hydrogel-carbon cloth-silver/silver chloride reference electrode. The prepared reference electrode is good in conductivity and high in softness, and the stability and the service life of the electrode are improved. The reference electrode can be used for detecting dopamine, and a good detection effect is obtained.

Cosmetic pupil detection and iris recognition method and device, readable storage medium and equipment

The invention discloses a cosmetic contact lens detection and iris recognition method and device, a readable storage medium and equipment, and belongs to the field of iris recognition. According to the method, the characteristics that the texture of the cosmetic contact lens area is relatively complex, the relative gradient is relatively large, and the excircle of a normal iris is relatively smooth are utilized; and the feature that the pixel value of the cosmetic contact lens area is smaller than that of the whole iris area is utilized to carry out cosmetic contact lens detection. According to the cosmetic contact lens detection and iris recognition method, firstly, an eye image is obtained, then gray stretching and gradient transformation are carried out on the eye image, matrix additive operation and binaryzation are carried out, and whether a cosmetic contact lens is worn or not is judged according to the proportion of the pixel with the value of 1 in the portion, except the pupil area ...

PAPER-BASE FLEXIBLE POWER-GENERATION APPARATUS, AND MANUFACTURING METHOD THEREOF

A paper-base flexible power-generation apparatus, and a manufacturing method thereof. The flexible power-generation apparatus comprises: a first assembly (1) formed by a paper-base insulation layer (11) and a first metal conductive layer (12) deposited on the surface of the paper-base insulation layer, and a second assembly (2) formed by a paper-base insulation layer (21), a second metal conductive layer (22) deposited on the surface of the paper-base insulation layer, and an electret material layer (23) coating on the surface of the second metal conductive layer. The two edges of the two assemblies are each provided with an electrode (13, 24) and the electrodes are connected through a packaging process. The first metal conductive layer is opposite to and spaced from the electret material layer. The flexible power-generation apparatus has a low cost, is easy to manufacture, has high output power, and is especially suitable for being integrated with other flexible electronic devices.

SEMI-PARALLEL HYBRID POWER AND CONTROL VEHICLE SYSTEM

Disclosed is a semi-parallel hybrid power and control vehicle system, comprising an engine, a motor, a speed-reduction combined differential, a motor controller, an engine controller, a combined controller system, an operation communication system, a suspension damping and noise reduction system and a combined accelerator pedal system, wherein the engine is connected to the motor in parallel, and the speed-reduction combined differential drives a vehicle. The application and a use method of the semi-parallel hybrid power and control vehicle system are further disclosed.

ELECTRONIC CIGARETTE CHARGING DEVICE, ELECTRONIC CIGARETTE, AND ELECTRONIC SMOKING SET

Provided are an electronic cigarette charging device, an electronic cigarette, and an electronic smoking set. The electronic cigarette charging device comprises a housing and a partition; the partition divides the housing into a charging chamber and a connection chamber; a control circuit board is mounted in the charging chamber; a rotatable charging compartment is mounted in the connection chamber by means of a pivot structure; the charging compartment is used for accommodating a first charging circuit comprised in the electronic cigarette and connected to the control circuit board as well as a charging guide pin led from the first charging circuit; the charging compartment is provided with a first magnetic piece at the first charging circuit; and the first magnetic piece acts on a second magnetic piece provided on the electronic cigarette. The electronic cigarette adopts a magnetic pogopin charging mode, which makes the charging reliable, and the rotatable charging compartment design ...

Method for calculating required air volume of traffic tunnel in hydropower station hub project area

The invention relates to the technical field of hydropower stations, in particular to a method for calculating required air volume of a traffic tunnel in a hydropower station hub project area, and the required air volume of the tunnel is obtained by calculating required air volume of smoke and dust dilution, required air volume of carbon monoxide dilution and required air volume of tunnel ventilation and multiplying the maximum value by a coefficient. The method solves the problem that a required air volume calculation method in the prior art is not suitable for the required air volume of a traffic tunnel in a hydropower station hub project area, and is suitable for hydropower station construction required air volume calculation.

Treatment method for discharging leakage water in line outlet vertical shaft in self-flowing mode

The invention discloses a treatment method for leakage water incapable of being discharged in a self-flowing mode in an outgoing line vertical shaft. The method comprises the steps that S1, a leakage pool is arranged in the wire outlet vertical shaft, the leakage pool is located at the lowest position of the wire outlet vertical shaft, and the leakage pool is used for collecting seepage water in the wire outlet vertical shaft; s2, an inclined pipe is connected to the leakage pool, the other end of the inclined pipe is communicated with a vertical pipe, the top of the vertical pipe is communicated with the upper water pool, a lower water pool is arranged at the bottom of the vertical pipe, and the slope formed by the inclined pipe inclining upwards is not larger than 10%; s3, after the seepage water is collected in the seepage pool, enabling the water in the upper water pool to fall down from the vertical pipe and flow into the lower water pool, meanwhile, forming negative pressure in the ...

Vacuum electric control valve position locking control device and method

The invention belongs to the technical field of automation, and particularly relates to a valve position locking control device and method for a vacuum electric control valve. The device comprises an electromagnetic brake, an electromagnetic brake driving board, a main control board and a valve position control signal conditioning module, the electromagnetic brake is connected with the main control board through the electromagnetic brake driving board and used for locking the valve position of the vacuum electric control valve. The main control board is further connected with the valve position control signal conditioning module and used for driving the electromagnetic brake to lock the valve position of the vacuum electric control valve through the electromagnetic brake driving board according to an external valve position control signal received by the valve position control signal conditioning module. The device locks the valve position of the valve under the conditions that a control ...

AGV POSITION AND ORIENTATION MEASUREMENT DEVICE USING TWO ENCODERS AND APPLICATION THEREOF

Provided is an automatic guided vehicle (AGV) position and orientation measurement device using two encoders and an application thereof. The AGV position and orientation measurement device comprises an angle measurement part (3), a pressing part (2) and a distance measurement part (1), wherein the angle measurement part (3) comprises a mounting frame (5) and an angle measurement encoder (4) arranged on the mounting frame (5); the pressing part (2) comprises an upper bracket (6), a lower bracket (9) and an elastic mechanism for connecting the upper bracket and the lower bracket; the distance measurement part (1) comprises an auxiliary wheel (11) and a distance measurement encoder (10) mounted on the auxiliary wheel (11); the upper bracket (6) is rotatably connected to the bottom of the mounting frame (5) and the lower bracket (9) is connected to the auxiliary wheel (11). The AGV position and orientation measurement device provided by the invention is designed on the basis of two encoders ...

A high -efficient direct current module of charging for electric automobile fills electric pile

... 本实用新型公开了种用于电动汽车充电桩的高效直流充电模块，包括前级AC?DC部分和后级DC?DC部分，所述前级AC?DC部分与后级DC?DC部分通过CAN模块实现通讯；所述前级AC?DC部分包括EMI模块、整流拓扑结构、驱动电路、前级控制电路、电压电流采样电路、RC吸收电路和风扇；所述后级DC?DC部分包括逆变电路、MOS管驱动电路、后级控制电路、采样电路、隔离变压器、整流电路和输出EMC模块。该充电模块减小电动汽车充电过程大量的谐波污染及开关过程带来的损耗，具有体积小、效率高、稳压稳流精度高、纹波系数小、操作简单、维护方便等特点。 ...

Compression-resistant enhanced flat plate heat exchanger

The invention discloses a compression-resistant enhanced flat plate heat exchanger which comprises a heat exchanger plate surface, a stainless steel short column, a first bolt and a second bolt, a plurality of long edge angle steels are arranged on the heat exchanger plate surface, a plurality of short edge angle steels which are distributed in parallel are arranged between the adjacent long edge angle steels, and each short edge angle steel is fixedly connected with the heat exchanger plate surface; the stainless steel short column penetrates through the heat exchanger plate face, and the first bolt penetrates through the stainless steel short column and the long edge angle steel to fix the long edge angle steel to the heat exchanger plate face. The plate face of the heat exchanger is divided into a grid-shaped structure through the long edge angle steel and the short edge angle steel, a water inlet and a water outlet are formed in two grids respectively, hollow short columns are arranged ...

Signal test method and device, nonvolatile storage medium and electronic equipment

The invention discloses a signal testing method and device, a nonvolatile storage medium and electronic equipment. The method comprises the following steps: monitoring a cable test signal of a preset signal cable of the phase modifier in a preset time period; a target signal cable with the first change amplitude of the cable test signal in the preset time period higher than a first preset amplitude threshold value is determined from the preset signal cables, and the target signal cable is the preset signal cable with signal disturbance; a preset grounding test signal corresponding to the target signal cable is inquired as a target grounding test signal in a preset signal set, and the preset signal set is used for recording the corresponding relation between the preset signal cable and the preset grounding test signal; and determining that the signal disturbance of the target signal cable is from the target grounding test signal under the condition that the second change amplitude of the ...