311results about How to "Avoid short circuit" patented technology

The invention provides an ultra-high-speed electric connector which comprises an insulating body, the insulating body is provided with a lengthwise slot, a plurality of terminal slots are formed in lengthwise side walls on the two sides of the slot respectively, and a fool-proof part is arranged in the slot and used for dividing the insulating body into a power supply and low-speed signal area and a high-speed signal area which are located on the two sides of the fool-proof part; the plurality of terminals comprise differential signal terminals distributed in the high-speed signal area and other terminals distributed in the high-speed signal area and the power supply and low-speed signal area, every two differential signal terminals are adjacent, and two sides of every two adjacent differential signal terminals are respectively provided with a grounding terminal; every two adjacent differential signal terminals and two grounding terminals located on the two sides of the two differential signal terminals form a terminal module, and the two differential signal terminals and the two grounding terminals of each terminal module and an insulating block inserted into the insulating body are formed in an embedded mode. The ultra-high-speed electric connector can enable signal transmission to be better and more stable.

The application discloses a double-hearth two-stage heating vacuum distillation furnace, which comprises an evaporation furnace and a condensation furnace which are communicated through a gas passage, wherein the evaporation furnace comprises an evaporation furnace body and at least one top heating mechanism which is detachably arranged on the top of the evaporation furnace body; and the condensation furnace comprises a condensation furnace body, a side heating structure and a furnace cover, wherein the condensation furnace body is divided into a temperature control condensation chamber and a plurality of layers of multistage condensation chambers, and the gas passage can be combined or replaced according to the required reaction conditions of different materials. The vacuum distillation furnace can collect different metals through the gradient change of the temperature of the two hearths, reduces the process of secondary distillation of volatile matters after the furnace is stopped, can complete the processing of diversified raw materials, improves the work efficiency and reduces the processing cost; the modular top heating mode directly radiates heat to the materials, improves the heat utilization rate, can realize the working mode of stopping the furnace without stopping the work, helps to improve the work efficiency, and is convenient for completing the furnace cleaning, maintenance and solid material taking and placing.

The utility model relates to electronic protector technical field, concretely is a kind of TVS device with automatic open circuit protection function, including device body, automatic open circuit protection mechanism and pin connecting mechanism, and automatic open circuit protection mechanism and pin connecting mechanism are fixedly connected in the inside of device body, in the utility model, through the setting of fusible wire, temperature sensor and memory alloy spring, the automatic open circuit protection of TVS device when encountering abnormal overcurrent or overvoltage is realized, fusible wire can rapidly fuse, and timely cut off circuit connection, prevent the further expansion of fault range, temperature sensor real-time monitoring temperature, when temperature abnormally rises, memory alloy spring will rapidly change under the signal driving of temperature sensor, the pressure generated by its deformation can assist fusible wire to fuse more quickly when reaching fusing temperature, greatly shorten the response time of automatic open circuit protection, greatly improve the security and reliability of circuit.

The utility model discloses a hand warming bag, which comprises a cushion body, a heating element, a first heating element and a second heating element, and is characterized in that the cushion body is folded and bent to form a sleeve with a first accommodating space; the first locking structure is arranged on the cushion body and is used for keeping the shape of the sleeve; the heating sheet is arranged on the pad body or in the pad body so as to increase the temperature of the pad body or increase the temperature of the accommodating space; the electric control module is arranged on the pad body and is connected with the heating piece through a wire; the power supply circuit is connected with the electric control module, and a second containing space used for containing the power supply circuit and communicating with the external environment is formed in the pad body. And the power supply circuit is arranged in the second accommodating space. The power supply line is taken out from the second storage space when the power supply line needs to be used, and the power supply line is put back into the second storage space when the power supply line is used or needs to be stored. Damage caused by long-term leakage of the power supply line is avoided.

This invention discloses a co-integrated device for a low-crosstalk RF front-end and array antenna for millimeter-wave radar, comprising a main board, a shielding plate, an RF module, and an array antenna module. The shielding plate is horizontally positioned above the main board, and a frame is provided outside the shielding plate. Support columns are vertically mounted at the four corners of the frame and between the shielding plate and the main board. A sub-plate is mounted on the surface of the shielding plate, and the array antenna module is mounted on the surface of the sub-plate. An antenna cover is mounted on the sub-plate to cover the array antenna module. The RF module is mounted on the side of the main board away from the shielding plate, and the pins of the RF module are soldered and fixed to the main board. Pressure bars are provided on both sides of the pins to hold them in place. This invention has a simple structure and actively manages and reduces electromagnetic crosstalk between the array antenna and the RF front-end through a combination of increased distance, physical shielding, and adjustable position; at the same time, the pin-fixing structure enhances the mechanical reliability of the RF module.

The utility model discloses a kind of thermocell cover assemblies, including cover and protective cover, the cover and protective cover are connected, pole and stud are set on cover, the pole is connected to flow bar or wire, screw is set on the stud, mounting hole is set on the protective cover, after screw is penetrated mounting hole, and it is connected with stud screw thread, so that cover and protective cover connection fastening.The utility model protects wire, flow bar on the thermocell cover assembly by protective cover, prevent thermocell cover assembly from damaging wire and flow bar when being stressed, improve the structural strength of battery cover assembly, to improve the quality stability of thermocell.By the setting of cushion layer, the pole and cover do not produce through lead, to avoid short circuit.By the setting of stud and screw, the stability of cover and protective cover connection is improved, by the setting of protective cover, the safety of internal pole and wire, flow bar connection point can be protected, improve the durability of thermocell.

The invention discloses efficient closed-pore high-stability slurry and a preparation method thereof, a lithium ion battery and electric equipment, and relates to the technical field of lithium batteries, the efficient closed-pore high-stability slurry comprises water, core-shell microspheres, a heat stabilizer, a wetting auxiliary agent and a dispersing auxiliary agent, the core-shell microspheres comprise first core-shell particles and second core-shell particles, the core of the first core-shell particle is a mixture of a heat conducting agent and a flame retardant, or a composition of any one or more of the heat conducting agents, and the shell of the first core-shell particle is a mixture of a thermosensitive accelerator and a thermosensitive main agent, or a composition of any one or more of the thermosensitive accelerators; the core of the second core-shell particle is a mixture of a heat conducting agent and a flame retardant, or a composition of any one or more of the flame retardants, and the shell of the second core-shell particle is a mixture of a thermosensitive accelerator and a thermosensitive main agent, or a composition of any one or more of the thermosensitive main agents. The material has the advantages of early quick and synchronous response to temperature change, excellent thermal stability and excellent flame retardancy.

This utility model discloses a self-driven wastewater circulation mixer, including a cylinder, a cylinder cover, an additive storage tank on top of the cover for adding additives into the wastewater inside the cylinder, a drain pipe at the bottom of the cylinder for discharging the mixed wastewater, a first inlet pipe on the side wall of the cylinder arranged tangentially to allow the wastewater inside the cylinder to flow clockwise, a second inlet pipe on the side wall of the cylinder, and a self-driven stirring mechanism inside the cylinder. The second inlet pipe guides the wastewater to impact the self-driven stirring mechanism, causing the wastewater inside the cylinder to circulate axially. The mixer has a first inlet pipe guiding the wastewater inside the cylinder to flow clockwise for convenient radial mixing of wastewater and additives, and a second inlet pipe guiding the impeller to rotate counterclockwise. The impeller drives the propeller blades to rotate, causing the wastewater to circulate axially, allowing wastewater and additives of different depths to mix more quickly.

The utility model relates to the technical field of new energy batteries, and discloses a single battery and a battery pack, the single battery comprises: a housing having an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the cover plate comprises a top cover piece and lower plastic, and the top cover piece is provided with a liquid injection hole; the lower plastic comprises a body and an abutting table, the abutting table comprises a side plate and a bottom plate connected with the side plate, the body is fixedly connected with the side plate, the bottom plate abuts against the electrode assembly in the first direction, a slow flow cavity is defined by the side plate, the bottom plate and the top cover piece, the slow flow cavity is communicated with the liquid injection hole, the liquid injection hole and the bottom plate are oppositely arranged in the first direction, and the side plate is further provided with an opening. The opening communicates with the slow flow cavity and the containing cavity. When the electrolyte is injected, the electrolyte impacts the bottom plate in the first direction, slows down in the slow flow cavity and then enters the containing cavity through the opening, and the electrolyte is prevented from directly impacting the electrode assembly; the bottom plate abuts against the electrode assembly in the first direction, enough electrolyte buffer space can be guaranteed, and the phenomenon of liquid overflow is avoided.

The present invention relates to a bio-signal sensor for collecting a bio-signal including brain waves in a body part of an animal including a person having many hairs, the bio-signal sensor comprising: a fixing band surrounding the body part; an electrode assembly having a plurality of electrodes provided in a direction toward the animal skin of the fixing band, i.e., a rear surface; and a conductive substance storage body for electrically connecting the plurality of electrodes and the skin of the animal with a conductive substance as a medium. Accordingly, the electrode assembly arranged on the forehead of the animal through the conductive substance storage body is electrically connected with the skin of the animal, and the conductive fitting property between the biological signal collecting electrode and the skin of the animal can be improved.

The invention discloses an anti-interference thermocouple for electrical equipment, and belongs to the technical field of sensor correlation, the anti-interference thermocouple comprises a first electrode wire, a second electrode wire and a ceramic body, the first electrode wire is arranged on one side of the second electrode wire, and the ceramic body is fixedly installed on the outer surface of one end of the first electrode wire and the outer surface of one end of the second electrode wire. One end of the first electrode wire is electrically connected with one end of the second electrode wire, the other end of the first electrode wire and the other end of the second electrode wire are each provided with a butt joint clamping piece, supporting pieces are fixedly installed on the outer surfaces of the first electrode wire and the second electrode wire, and each supporting piece comprises a first pipe sleeve, a second pipe sleeve and an outer sleeve plate; the anti-interference thermocouple is provided with a pluggable auxiliary installation structure, so that the anti-interference thermocouple is more convenient to install and disassemble, the daily maintenance difficulty of the anti-interference thermocouple is reduced, the breakage phenomenon of the electrode wire in the use process is avoided, and the stability of the anti-interference thermocouple in use is improved.

The utility model relates to a mixed solution layering device which comprises a liquid storage tank and at least two partition plates vertically arranged in the liquid storage tank, a gap is kept between the upper side of each partition plate and the top of the liquid storage tank to form a first circulation channel, and one of the front side and the rear side of each partition plate is connected with the corresponding side wall of the liquid storage tank. A gap is kept between the other partition plate and the corresponding side wall of the liquid storage tank to form a second circulation channel, and the second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode; a liquid inlet is formed in one of the front side and the rear side of the liquid storage tank, a first liquid outlet is formed in the other one, a second liquid outlet is formed in the bottom side of the liquid storage tank, and the liquid inlet and the first liquid outlet are located in the sides, away from each other, of the first partition plate and the tail partition plate respectively. The mixed solution layering device provided by the utility model is provided with a plurality of partition plates, so that the liquid flow impact force is dispersed, and the mixed solution is uniformly distributed; second circulation channels formed by every two adjacent partition plates and the liquid storage tank are arranged in a staggered mode, the flowing path is prolonged, the standing time is prolonged, and layering is sufficient.

This invention provides a composite lithium metal anode structure, its preparation method, and its application. The composite lithium metal anode structure is sheet-like, comprising interconnected photocurable regions and composite lithium metal regions. The photocurable regions are made of a lithiophilic framework material and a photocurable material; the composite lithium metal regions are made of a lithiophilic framework material and lithium metal. The composite lithium metal anode structure provided by this invention effectively suppresses lithium dendrite growth, improves battery cycle stability, enhances battery safety, and reduces manufacturing costs, thus facilitating large-scale application.

The utility model discloses a stepping motor winding insulation device, which relates to the technical field of stepping motors and comprises a stator shell, stator iron cores are arranged on the inner side of the stator shell in an annular array mode, a winding insulation frame is arranged on the outer side of each stator iron core, and the winding insulation frame is arranged on the outer side of the stator shell. A stator coil is wound on the winding insulating frame; the winding insulation frame comprises two symmetrically-arranged arc-shaped outer frames, arc-shaped inner plates are integrally arranged at the bottoms of the arc-shaped outer frames, and bent baffles are integrally arranged on the two sides of each arc-shaped inner plate. An iron core slot is formed in the arc-shaped outer frame, the arc-shaped outer frame is sleeved on the outer side of the stator iron core, and the stator iron core penetrates through the iron core slot; according to the utility model, the two sides of the plugging transverse plate are inserted into the limiting clamping grooves, and the insulating vertical plate is positioned between the two stator coils, so that short circuit between the two stator coils is prevented, and the insulating effect on the winding is further improved.

The utility model relates to a kind of multi-partition washing machines, including big barrel and small partition, and the small partition is the top opening of pulsator barrel assembly with, this pulsator barrel assembly includes outer tube and the inner tube of being rotatably arranged in outer tube, the lateral wall of outer tube partially protrudes and forms the air inlet channel extending along outer tube axial direction, the air inlet of this air inlet channel is located at the upper edge of outer tube, and the air outlet of this air inlet channel is located at outer tube bottom.Using above-mentioned structure, in drying process, hot air is transported to outer tube bottom from top to bottom by air inlet channel, and then under the rotation of pulsator barrel, make airflow in inner tube from bottom to top even flow dispersion, can effectively avoid airflow short circuit between outer tube and inner tube, to improve drying effect.In addition, in washing process, the lower end of air inlet channel is below water level, and washing water is water sealed to the lower end of air inlet channel, to avoid overflow of bubble surface in washing process through air duct.

The utility model discloses a built-in BMS (Battery Management System) management module structure of a rechargeable battery, which comprises a shell formed by buckling and stamping an upper shell and a lower shell, a sealing ring arranged at the buckling and stamping part of the upper shell and the lower shell, a BMS management module arranged in a cavity of the shell and comprising a PCBA (Printed Circuit Board Assembly) main body, a positive electrode lead arranged at the top of the PCBA main body and a negative electrode lead arranged at the bottom of the PCBA main body, the positive lead penetrates through the upper shell and is arranged above the upper shell, a plurality of groups of negative contacts are uniformly distributed on the outer side wall of the PCBA main body, the negative contacts abut against the shell cavity, and the insulating sleeve is arranged at the penetrating position of the positive lead and the upper shell; compared with the prior art in which the PCBA main body is directly arranged in the battery shell, the protective structure at the PCBA main body of the BMS is optimized, so that the problem of short circuit and even explosion of the battery caused by erosion of the PCBA main body due to leakage of a battery cell under special conditions is solved, the use safety of the battery is remarkably improved, and the service life of the battery is prolonged.

The utility model relates to fan cooler interval pad technical field, specifically disclose a kind of sulfur dioxide fan cooler interval pad, including main beam, the both sides of main beam are equipped with positioning structure respectively, the both ends of main beam are fixedly connected with edge arc block, first positioning structure is located in the side of main beam, contain multiple groups of symmetric distribution's positioning slot, each group positioning slot is made of two symmetrical isosceles trapezium, second positioning structure is located in the other side of main beam, eliminate displacement risk by double positioning structure, eliminate cooling water short-circuit phenomenon, significantly improve heat exchange efficiency, the combination design of isosceles trapezoidal slot and cylindrical positioning pin enhances impact stability, reduces equipment maintenance frequency, arc edge realizes automatic alignment sealing, installation efficiency is improved, integrally formed corrosion-resistant structure resists sulfur dioxide environmental erosion, prolongs cooler overall life, finally guarantees fan bearing continuous safe operation, avoid unplanned shutdown loss.

The invention relates to an energy storage device and a power utilization system. The energy storage device comprises a shell, an electrode assembly, an end cover assembly and a binding piece, wherein the shell is provided with an accommodating cavity; the electrode assembly is arranged in the accommodating cavity, the electrode assembly comprises a plurality of tabs and an electrode main body which are electrically connected, and the tabs and the electrode main body are arranged along a first direction; the end cover assembly is arranged on one side of the shell and used for sealing the containing cavity. The binding piece is positioned between the end cover assembly and the electrode main body; the binding piece is provided with a penetrating hole, and the penetrating hole penetrates through the two opposite surfaces of the binding piece in the first direction. The penetrating hole extends along a second direction, the plurality of tabs penetrate through the penetrating hole, and the first direction is intersected with the second direction; the penetrating hole is provided with a first side wall and a second side wall which are oppositely arranged in the second direction, and in the second direction, the distance between the first side wall and the second side wall is larger than the size of the ends, close to the electrode body, of the tabs.

A continuous solid-liquid reaction device for gas treatment belongs to the technical field of flue gas desulfurization and manganese resource recovery equipment and comprises more than three reaction kettles which are connected in series through gas guide pipelines, each reaction kettle is provided with a gas inlet pipe joint, a feeding pipe joint, a gas outlet pipe joint and a discharging pipe joint, and a gas distribution device communicated with the gas inlet pipe joint is arranged in each reaction kettle. A stirring device is also arranged; the gas distribution device comprises more than two layers of gas distribution pipes which are communicated through a communication pipeline; a plurality of gas distribution holes are formed in the side walls of the gas distribution pipes; the stirring device comprises more than two layers of stirring paddles, and the stirring paddles are arranged above each layer of gas distribution pipe. The core design of'mixing gas with liquid without mixing 'is adopted, the gas distribution device is combined with stirring, so that gas is uniformly released in a small bubble form, the retention time is prolonged, and multi-stage full utilization of the gas is realized in cooperation with the gas series design. And multi-layer graded gas distribution is matched with layered stirring, so that gas-liquid-solid three-phase contact is sufficient, the reaction is stable, and deposition and short circuit are avoided.

The utility model belongs to the field of temperature control device, concretely relates to a temperature control device for high -efficient refrigeration station, including temperature control box, the front of temperature control box is equipped with the box door, the lower extreme both sides of temperature control box all hinge have the turnover board, the lower extreme fixed connection of turnover board has the support frame, the outside of temperature control box is provided with the limiting mechanism, the lower extreme fixed mounting of temperature control box has four even distribution's rubber column, the inside slide connection of support frame has the slide column, the outside fixed connection of slide column has the drive strip. The utility model adds the turnover board, support frame and limiting mechanism and other structures on temperature control box, when needing to install temperature control box in higher position, can drive support frame with ground vertical through turnover board, can increase the installation height of temperature control box through support frame and support plate, can avoid the short circuit of the component inside temperature control box caused by the water gas of ground.

This invention discloses a method for separating a mixture of isobutanol / n-butanol / m-xylene using a high- and low-pressure dual-tower thermally integrated distillation system. The method employs pressurization to break the azeotropic reaction, achieving the separation of the n-butanol / isobutanol / m-xylene mixture. Using the overhead steam from the high-pressure tower as the heat source for the reboiler in the low-pressure tower not only yields high-purity isobutanol, n-butanol, and m-xylene products but also achieves thermal integration, reducing energy consumption and improving energy utilization efficiency. Furthermore, the composite tower trays with sieve and packing exhibit excellent hydrodynamic properties and uniform gas-liquid phase distribution. The sieve acts as a liquid redistributor in the packing layer below, uniformly distributing the liquid phase. The packing layer ensures uniform gas distribution, improving the gas phase distribution on the trays and preventing short-circuiting by concentrating the gas phase through the central sieve holes, thus enhancing mass transfer on the trays. The packing layer essentially eliminates the entrainment problem between trays, resulting in excellent hydrodynamic properties.

The utility model provides a kind of cover plate structure and battery, belong to battery technical field, cover plate structure includes first cover plate, first pole post, first lower plastic and insulating part being arranged on first cover plate, and connecting portion being arranged between first lower plastic and insulating part. Among them, first pole post is used to and the first lug of pole group is connected, insulating part can be connected with first lower plastic by connecting portion, and abuts on the side of first lug opposite to first pole post. The cover plate structure of the utility model can fix the first lug after welding, limit the shake and displacement of first lug in the process of battery use, transportation etc.

This invention belongs to the field of lithium metal battery technology, specifically relating to a fluorinated phase-separated polymer ion gel electrolyte, its preparation method and application, and lithium metal batteries. The fluorinated phase-separated polymer ion gel electrolyte provided by this invention comprises a solid phase and a liquid phase; the solid phase is a copolymer of a fluorinated acrylate monomer and a crosslinking agent containing carbon-carbon double bonds; the liquid phase comprises an ionic liquid and a lithium salt dissolved in the ionic liquid. Compared to liquid electrolytes and traditional SPEs, the fluorinated phase-separated polymer ion gel electrolyte provided by this invention has high ionic conductivity, mechanical strength, interfacial stability, and safety. It can effectively suppress the growth of lithium dendrites and adapt to large volume changes, avoiding short circuits and thermal runaway in lithium metal batteries under conditions of overcharging, over-discharging, or mechanical impact.

The utility model discloses a portable power bank belongs to the field of power bank, including portable power bank body and back cover, the left side wall of portable power bank body is provided with power switch button, set up the protection mechanism at the charging port, through the synergistic action of side plate, guide rod, spring, movable plate and baffle, effectively solved the problem that the existing power bank charging port lacks protection. When the power bank is not used, the baffle is in the closed state under the spring elastic force, tightly shields the charging port, can prevent dust, water stain, sundries etc. from entering the inside of the port, avoid the internal circuit short circuit due to dust and water stain, prevent sundries to cause the contact to be bad, guarantee the stability of power bank normal charging and discharging function, prolong the service life of the internal electronic component of power bank, simultaneously, the baffle still can play the buffering effect, reduce the damage that charging port is received in the carrying process with other articles and collides, has promoted the overall performance and reliability of power bank.

The present application relates to the technical field of connector, especially to an electric connector assembly. The electric connector assembly comprises a shell, a PCB adapter plate is arranged in the shell, two or more rows of non-ground cables are electrically and fixedly connected to the PCB adapter plate, two or more rows of connecting pads are arranged on the front and back surfaces of the PCB adapter plate respectively, each row of connecting pads comprises a row of signal pads and ground pads, the core wire of the non-ground cable is electrically and fixedly connected to the signal pad on the front surface, the conductive outer sheath is electrically connected to the ground pad on the front surface, the signal pad and the ground pad on the back surface are used for being electrically connected to the corresponding terminals of a PCB female plate or being electrically connected to the corresponding terminals of an adapter socket and then being electrically connected to the PCB female plate, the PCB adapter plate is internally arranged with a conductive circuit to correspondingly connect the connecting pads on the front and back surfaces of the PCB adapter plate, and the electric connector assembly further comprises a load bottom support which is locked and connected to the shell. The electric connector assembly can realize multi-row high-density wiring and greatly improve the performance of the connector.

The invention discloses an electrocatalytic reduction membrane for high-selectivity electrocatalytic low-concentration nitrate water reductive denitrification and a preparation method of the electrocatalytic reduction membrane, and belongs to the technical field of water treatment. The method solves the problems that the removal efficiency of the low-concentration nitrate polluted water body is insufficient by adopting a conventional water treatment process, and the cost is high, the economical efficiency is poor and the environment is not protected when ammonia is directly recovered by adopting an electrocatalytic reduction method. The preparation method comprises the following steps: performing high-temperature pyrolysis on a copper-doped ZIF-8 material to obtain a Cu-CN / CB catalyst, mixing the Cu-CN / CB catalyst with PVDF and acidified CNT, and performing suction filtration to form the electrocatalytic reduction membrane. Carbon black is used as a core to grow copper-doped ZIF-8, the catalyst is obtained after carbonization, metal on the catalyst is uniformly distributed, catalytic sites are dense, and a conductive network is constructed by CNT; and by taking the reduction membrane as a cathode, optimizing the mass transfer efficiency of the catalyst and nitrate in a low-concentration nitrate water body through the CNT-Cu-CN / CB network, and fully completing nitrate adsorption-catalytic degradation in a confinement space.

The invention relates to the technical field of solar cells, and provides a back contact cell, a cell assembly and a photovoltaic system, the back surface of a silicon wafer of the back contact cell is provided with a first region and a second region which are alternately arranged at intervals, the first region and the second region are separated by a spacer region, and a first polarity doping layer is stacked in the first region. The second polarity doping layer is arranged in the second region in a stacked mode, and the second polarity doping layer and the first polarity doping layer are separated through a spacer region. A plurality of first isolated doping parts are arranged in the spacer region, and the first isolated doping parts are not in contact with the first polarity doping layer and the second polarity doping layer. Therefore, the plurality of independent first isolated doping parts are arranged in the spacer region, and the first isolated doping parts can form floating junction passivation in the spacer region, so that the passivation effect of the spacer region can be improved, the collection rate of carriers can be improved, and the efficiency of the back contact battery is improved.

The application discloses a silicon-based OLED dark spot repairing process, which comprises the following steps: S1, after wafer evaporation of an organic layer, a cathode IZO film layer is formed by sputtering; S2, an Al layer is formed on the cathode IZO film layer by sputtering, and the high drilling property of Al is utilized, so that Al drills into the space between the IZO cathode and the microparticle; S3, by applying a reverse voltage, the circuit between the microparticle and the IZO cathode is disconnected, short circuit is avoided, and dark spot repairing is completed. Anode and cathode lead pads are designed, so that in the process of voltage breakdown, only two input pads need to be applied with voltage, voltage breakdown processes of hundreds of dies in the wafer are simultaneously completed, the repairing is efficient, and the relative cost is relatively low.

The application discloses a switch structure for a charging gun, a charging gun and a charging device, which comprise a terminal fixing device, at least one charging terminal, at least one adapter terminal, at least one power supply terminal and a push rod; the terminal fixing device is axially provided with at least two cavities; the charging terminal is at least partially arranged in the cavities; one end of the adapter terminal is electrically connected with the charging terminal, and the other end is provided with a first contact point; one end of the power supply terminal is provided with a second contact point, and the other end is electrically connected with a cable of the charging gun; the push rod is at least partially arranged in the cavities and is translated in the axial direction in the cavities; the push rod is arranged to control the adapter terminal to be translated in the axial direction, so that the first contact point is in contact with or separated from the second contact point. According to the switch structure for the charging gun, when the charging gun does not charge a new energy automobile, the charging terminal of the charging gun is not electrified, and electric shock of personnel is prevented.