72results about How to "Increase the conductive area" patented technology

The invention relates to the technical field of all-vanadium redox flow batteries, and discloses a carbon grid derived multi-layer composite bipolar plate for a vanadium battery and a preparation method of the carbon grid derived multi-layer composite bipolar plate for the vanadium battery. The preparation method comprises the following steps: brushing a mixed slurry 1 prepared from a conductive filler, a binder and the like onto the surface to obtain preliminarily modified carbon fibers, then brushing a mixed slurry 2 prepared from oxide nanoparticles, conductive macromolecules and the like onto two surfaces of the preliminarily modified carbon fibers, drying, and repeating the two brushing and drying steps to obtain multi-layer conductive support layer modified carbon fibers; graphite paper is attached to the obtained carbon fibers, and then hot pressing treatment is performed to obtain the carbon conductive grid derived multi-layer composite bipolar plate. According to the prepared multi-layer composite bipolar plate, the etched carbon fiber is used as a substrate, beneficial mechanical strength and conductive grids are provided through stacking of the multiple layers of conductive coatings, the stability and conductivity of the bipolar plate are effectively improved, and therefore the efficiency of a vanadium battery is improved.

The invention discloses a welding device for chemical container barrel assembly production, and belongs to the technical field of welding equipment.The welding device comprises a welding box, an inner welding mechanism, an outer welding mechanism and two sets of positioning mechanisms are arranged in the welding box, and the two sets of positioning mechanisms are arranged on the two sides of the outer welding mechanism; the outer welding mechanism comprises a welding frame and an arc-shaped seat, a round hole is formed in the welding frame, and the arc-shaped seat is slidably connected into the round hole; the inner welding mechanism comprises a fixed frame, a movable frame and a mounting disc. The other side of the mounting disc and one side of the arc-shaped base are both connected with welding assemblies. The welding assembly comprises a fixing plate, a mounting plate and a welding gun. Automatic and synchronous welding work of the inner ring and the outer ring of the barrel can be achieved through the inner welding mechanism and the outer welding mechanism, the power and the cooling rate of the welding gun can be automatically adjusted through the linkage mechanism and the adjusting mechanism according to the moving line of the welding gun relative to a workpiece, and uniform and efficient welding work is guaranteed.

The invention relates to the technical field of cables, in particular to an airtight cold-resistant low-smoke flame-retardant instrument cable used in an explosive environment, which comprises a protective sleeve, a cable body mechanism is arranged in the protective sleeve, the cable body mechanism comprises inner sheaths, and a plurality of inner sheaths are uniformly mounted in the protective sleeve at equal intervals. According to the invention, heat dissipated in the use process of the cable can be utilized to preheat the main body structure of the cable, so that the cold resistance of the cable is improved while internal heat dissipation is promoted; according to the invention, the structure of the cable is improved, the connection stability among the structures of the cable can be improved, the air tightness of the cable is effectively improved, the throttling effect of the heat insulation shell and the guide ring can be fully utilized, the flame retardance of the cable is improved, the cable can be better matched with the external environment, and the application range of the cable can be effectively expanded while the working stability of the cable is improved.

The invention discloses a BDD electrode, catalytic oxidation equipment and a BDD electrode processing method. The BDD electrode comprises a pole plate body, the clamping strip assembly is arranged around the periphery of the polar plate body; the clamping strip assembly comprises a conductive clamping strip and a sealing clamping strip, and the clamping strip assembly at least comprises one conductive clamping strip; the conducting layer is arranged between the clamping strip assembly and the polar plate body and is used for connecting the clamping strip assembly and the polar plate body; a conductive net is mounted in the conductive layer; the sealing layer is used for sealing the joint of the clamping strip assembly and the polar plate body; and the conductive sheet is connected with the conductive clamping strip. The BDD electrodes are arranged in parallel and connected to form a catalytic oxidation equipment negative electrode, and the titanium plates are arranged in parallel and connected to form a catalytic oxidation equipment positive electrode. According to the BDD electrode, the assembly difficulty is low, the current distribution is uniform, the sealing performance is good, the packaging is simple, and the processing cost can be effectively reduced.

The efficient and precise electrolysis-turning combined machining device comprises a machine tool body, a main shaft rotating device and a combined turning tool electrode, the main shaft rotating device is used for clamping a workpiece, and the combined turning tool electrode comprises a tool body, a blade and an electrolyte jet flow channel; the axis of the electrolyte jet flow channel is located over the tool nose of the blade and used for jetting out electrolyte, an electrolyte conveying channel communicated with the electrolyte jet flow channel is arranged in the tool body, the composite turning tool electrode is connected with the machine tool body through the tool shaft, and the electrolyte conveying channel is arranged in the tool shaft. Positive and negative voltages are applied to the spindle rotating device and the composite turning tool electrode respectively, and the machine tool body is used for adjusting the relative position between the composite turning tool electrode and a workpiece. The tool electrode with the diamond blade combined with the circular jet flow channel is adopted, when a workpiece rotates at a high speed, mechanical turning machining and electrolytic machining can be conducted at the same time, and the electrolysis-turning combined machining technology is achieved.

The invention provides a one-time forming diamond die for high-temperature drawing and a machining method. An upper outer ring die punch is arranged on the outer wall of a main pressing die punch in a sleeving mode, a sliding annular die punch is arranged in the main pressing die punch in a sleeving mode, an outer lower die is arranged in a female die, a positioning lower die is arranged in the outer lower die in a sleeving mode, and the upper end of the positioning lower die is of a conical structure; the conical structure protrudes out of the upper surface of the outer lower die. The bottom plate and the mold core are pressed into a whole and then sintered, manufacturing of the wire drawing mold is completed, the production efficiency is effectively improved, the production cost is reduced, the matching precision is high, and the manufacturing efficiency is high.

A detachable and replaceable structure of a power terminal of a direct current charging gun relates to a DC + power terminal and a DC-power terminal which are installed in the direct current charging gun, the DC + power terminal and the DC-power terminal are respectively composed of a plug part and a tail seat part, and the tail seat part is connected with the plug part through a thread structure. And a conical contact surface for electric conduction is arranged between the tail seat part and the plug part. During installation, the tailstock part is fixed in the charging gun, and the plug part is in threaded connection with the head end of the tailstock part through threads. When the charging gun is replaced, the ablation phenomenon occurs on the plug part, only the ablated plug part needs to be screwed off, then a new plug part is screwed on, and the charging gun does not need to be disassembled in the whole process. The conical contact surface is arranged between the tail seat part and the plug part, so that the conductive area between the tail seat part and the plug part can be greatly increased, the contact resistance is reduced, and the conductivity of the whole power terminal is improved. In addition, the power terminal is also provided with heat dissipation holes on the plug part, and the heat dissipation holes are beneficial for dissipating heat generated by the plug part, thereby reducing the temperature of the power terminal.

The application relates to the technical field of semiconductor laser packaging, in particular to a high-efficiency semiconductor laser packaging auxiliary device and a packaging method. The packaging auxiliary device comprises a cooler, a secondary heat sink, an integrated L-shaped electrode, a first insulating sheet and a second insulating sheet. The upper surface of the cooler is provided with a first groove for accommodating the secondary heat sink; the upper surface of the secondary heat sink is provided with a second groove, the second groove is provided with a plurality of third grooves which are arranged at intervals and parallel to each other, the bottom surface of the second groove between the adjacent third grooves is provided with a boss, and the two ends of the secondary heat sink are provided with openings which are arranged parallel to the second groove. The integrated L-shaped electrode is arranged on the cooler. The technical scheme of the application can effectively reduce the packaging difficulty of the semiconductor laser, improve the packaging efficiency and reduce the packaging cost.

The invention discloses a hanging plate type electrolytic copper powder cathode conducting rod which comprises a conducting head and a supporting rod, the conducting head is connected with the end of the supporting rod, the conducting head is provided with a conducting contact plane, and the supporting rod is provided with a supporting curved surface used for being matched with a hanging lug. According to the scheme, the problem that in the prior art, a hanging plate type electrolytic copper powder cathode conducting rod is prone to excessive heating is solved.

The utility model discloses a grid for a storage battery of a golf cart. Belongs to the technical field of golf cart storage batteries. The storage battery mainly solves the problem that the service life of the storage battery is shortened due to premature corrosion of a grid in the use process of the conventional storage battery of the golf cart. The grid for the storage battery of the golf cart is mainly characterized by comprising an upper frame, a vertical frame, a lower frame, longitudinal ribs, transverse ribs and tabs, the number of the longitudinal ribs is larger than that of the transverse ribs. The sectional area of the longitudinal ribs is larger than that of the transverse ribs. The grid for the storage battery of the golf cart has the characteristics of improving the strength of the grid, improving the conductivity of the grid, improving the corrosion resistance of the grid and prolonging the service life of the storage battery of the golf cart, and is mainly used for the storage battery of the golf cart.

The invention discloses an electronic paper screen and a production method thereof. The electronic paper screen comprises an electronic paper film and a thin film transistor substrate which are sequentially arranged from the top end to the bottom end. The electronic paper film is rectangular; a VCOM electrode is arranged on the thin film transistor substrate, and a VCOM ITO electrode is arranged on the electronic paper film; the VCOM electrode and the VCOM ITO electrode are communicated through elargol arranged between the thin film transistor substrate and the electronic paper film; the silver colloid is strip-shaped; the elargol is arranged on the edge of one end of the electronic paper film where a conduction region between the VCOM electrode and the VCOM ITO electrode is located; the electronic paper film is used for displaying images; the thin film transistor substrate is used for driving and controlling pixels. The conductive area of silver colloid can be effectively increased, the driving capacity of VCOM ITO on an electronic paper film is improved, ear holes can be removed, the appearances of the electronic paper film and a PS protection film are rectangular, and the narrow frame and the high screen-to-body ratio of an electronic paper screen are achieved.

The invention relates to the technical field of hydrogen storage and supply, and discloses a solid hydrogen storage and supply device for a hydrogen refueling station, the solid hydrogen storage and supply device comprises a solid hydrogen storage tank, the lower surface of the solid hydrogen storage tank is fixedly connected with a supporting seat, the left side surface of the solid hydrogen storage tank is fixedly connected with a hydrogen storage pipe, and the left side surface of the solid hydrogen storage tank is fixedly connected with a hydrogen supply pipe; according to the hydrogen storage device, hydrogen is rapidly adsorbed by the solid porous adsorption materials wrapping the inner wall of the solid hydrogen storage tank and the circumferential faces of the adsorption barrels, the area of the solid porous adsorption materials is increased through the arrangement of the multiple adsorption barrels, then more hydrogen can be adsorbed, and the hydrogen storage amount is increased; when hydrogen enters the solid hydrogen storage tank, the adsorption barrel rotates, the contact efficiency of the solid porous material wrapping the circumferential surface of the adsorption barrel and the hydrogen is improved, and then the hydrogen adsorption efficiency and the hydrogen storage conveying efficiency are improved.

The utility model discloses a horizontal type super-long rod electroplating clamp which comprises a conductive shaft sleeve and a workpiece shaft sleeve, a fastener penetrating through the conductive shaft sleeve is arranged on the side face of the conductive shaft sleeve, a conductive rod is installed in the conductive shaft sleeve, and the conductive rod is locked with the conductive shaft sleeve through the fastener; the workpiece shaft sleeve is coaxially mounted at one end of the conductive shaft sleeve and comprises a lower half shaft sleeve and an upper half shaft sleeve, the lower half shaft sleeve is fixed at one end of the conductive shaft sleeve, the upper half shaft sleeve is detachably connected with the lower half shaft sleeve through a connecting piece, and a workpiece is mounted in the workpiece shaft sleeve. The workpiece shaft sleeve is connected with the workpiece, so that the conductive area is increased, the problem that a product is burnt out due to overlarge current is effectively solved, and the quality of the product is guaranteed; the workpiece is fixed through the detachable workpiece shaft sleeve, so that the workpiece is convenient to mount and dismount, the production efficiency is improved, and the production cost is reduced.

The utility model relates to a wireless low energy consumption charger, including wireless charger main part and heat abstractor, heat abstractor sets up in the below of wireless charger main part, heat abstractor includes the heat conduction plate of installation in wireless charger main part lower surface, at the outside of heat conduction plate is provided with at least four side ears, heat abstractor detachable installation in the lower surface of side ear, the heat conduction plate includes a plurality of heat conduction rings, a plurality of heat conduction rings all are pasted in the lower surface of wireless charger main part, all are seted up in the outside of heat conduction ring and have the heat dissipation hole. This wireless low energy consumption charger, the multi -ring design of heat conduction plate and brass material combination, make the heat conduction area effective increase, and the air flow path design of initiative heat dissipation can ensure that wireless charger main part's temperature is stable below 40 DEG C, avoids the charging time extension of the power reduction due to overheating, reduces the energy consumption of low -efficiency charging stage.

This utility model relates to the field of internal heat dissipation technology for DC charging piles, and discloses a modular high-efficiency heat dissipation DC charging pile, including a main shell, a charging gun installed in the middle of the main shell, and multiple frame mounting components inside the main shell. The power module and its electronic components are housed inside the frame mounting components, and a heat dissipation component is located in the middle of the power module and its electronic components. The heat dissipation component directly adheres to the power module and its electronic components through a heat-conducting plate, which can quickly absorb a large amount of heat generated by the core components, avoiding the problem of concentrated heat accumulation in traditional "overall heat dissipation". At the same time, multiple heat-conducting plates are added to the outside of the heat-conducting plate to further expand the heat conduction area. In addition, multiple moving wheels are installed in the wheel assembly shell of the moving component, which can drive the heat dissipation component to slide flexibly along the sliding limit plate, which is convenient for precise alignment of the power module during installation or quick removal of the heat dissipation component for cleaning during maintenance.

The invention relates to the technical field of aluminum beam preparation, and discloses a high-strength long-span oxidized conductive aluminum beam and a preparation method thereof. The high-strength long-span oxidized conductive aluminum beam is prepared through the following steps of (1) extrusion to obtain an aluminum beam outer body, (2) extrusion to obtain an aluminum beam insertion core, (3) insertion, (4) stretching, (5) saw cutting and (6) end sealing, the aluminum beam outer body is made of 1-series or 6-series aluminum alloy, the aluminum beam insertion core is made of 7-series aluminum alloy, and after saw cutting, an aluminum plate made of the same material as the aluminum beam outer body is welded to the end of the aluminum beam in a full-circle mode to obtain the high-strength long-span oxidized conductive aluminum beam. Compared with the prior art, the strength and rigidity are remarkably improved, and the method has remarkable advantages in the aspects of material cost, electrochemical corrosion, oxidation efficiency and the like. The invention provides a new thought and method for the design and production of the long-span aluminum oxide beam, and has a wide application prospect.

The utility model discloses a fixed heating device of an internal serial box type graphitization furnace, and belongs to the technical field of lithium battery material production. The graphitization furnace comprises a furnace box and a conductive structure penetrating through the whole furnace box, the conductive structure comprises first conductive strips, second conductive strips and cushion blocks, the cross section of each first conductive strip is an isosceles trapezoid, the cross section of each second conductive strip is a right trapezoid, and a plurality of first trapezoid slopes are attached end to end to form a row; a cushion block is connected right below the joint of the two conductive strips by using an adhesive; the conductive structures are arranged in a plurality of columns, each column is provided with a plurality of layers, the cushion blocks of the first layer of conductive structures are adhered to the bottom of the furnace box through adhesives, and then the cushion blocks of each layer are adhered to the top faces of the conductive strips through adhesives. The graphitization furnace can avoid large explosion danger, and is low in construction cost, high in productivity and suitable for popularization.

The invention provides a split type coil welding structure, and relates to the technical field of inductance coil welding equipment, the split type coil welding structure comprises a mounting plate and two welding assemblies mounted on the mounting plate, and each welding assembly comprises a pre-compression mechanism and a welding mechanism. The pre-compression mechanism comprises a telescopic piece and a connecting plate, and the telescopic end of the telescopic piece is pressed on the connecting plate; the welding mechanism comprises a pair of conductive columns installed on the connecting plate and welding heads installed at the tail ends of the conductive columns. The conductive column is installed on the connecting plate through a screw, and is provided with a copper wing plate so as to increase the conductive area, reduce the resistance and improve the heat dissipation performance. The copper wing plates are perpendicular to the arrangement direction of the conductive columns, so that the compactness of the whole structure can be maintained. By the adoption of the split type welding head structure, the welding head can adapt to welding spots with different planeness, it is ensured that each welding spot can make full contact with the welding head, welding flaws are remarkably reduced, the quality of the welding spots is improved, meanwhile, conductivity and heat dissipation performance are enhanced, structural compactness is ensured, and production efficiency is improved.

The invention discloses a cable resistance welding module which comprises a metal plate, a cable resistance welding spot, a tin storage groove, a chip welding area, a bus bar through groove and a plastic package body. The metal plate is arranged in the length direction, and cable resistance welding spots are arranged at the two ends of the metal plate. Two rectangular tin storage grooves are symmetrically arranged on the inner side of the cable welding spot, and a chip welding area is formed between the tin storage grooves. A through bus bar through groove is formed in the position, corresponding to the tin storage groove, of the metal plate and used for allowing a bus bar to penetrate through and completing welding together with molten tin in the tin storage groove. The tin storage tank is used for storing tin needed by chip welding and bus bar welding and providing controlled welding flux for a chip welding area in the heating process. The zoned structure between the cable welding spot and the chip welding area enables transient heat of resistance welding not to directly act on the chip welding spot, and the welding reliability is improved. The above structure is finally integrally packaged by a plastic package body, and can be used for bypass diode connection in a photovoltaic module.

The application relates to a contact piece for increasing the conductive area and a clamp with the contact piece, which comprises a metal sleeve body, the metal sleeve body is a hollow member in an extending shape, the metal sleeve body comprises a sleeve body part, a hollow sleeve body formed by a plurality of continuously bent wall surfaces, at least one of the wall surfaces is a plane, the wall surface in the plane is a reference wall surface, and a conductive expansion part shaped at one end of the sleeve body part, the conductive expansion part is a sheet body, the conductive expansion part is located at a position and extends along the extension direction of the plane where the reference wall surface is located; the metal sleeve is detachably matched at the force arm part of each clamp jaw for clamping an object, the designed contact piece structure is simple, a torsional spring is ingeniously used as a connecting wire, the cost is reduced, the conductive contact area of the electroplated piece is increased, and the energy consumption is reduced.

The present invention relates to the technical field of waste battery recycling, and specifically to a waste battery recycling and lithium extraction device based on electrochemistry, comprising: a mounting frame, wherein a recovery tank and an acid storage tank are fixedly arranged at both ends of the mounting frame respectively; an electrochemical component fixedly arranged at one end of the mounting frame, wherein the electrochemical component comprises an electrolytic component for electrolysis in a flow manner, and a liquid inlet hose and a liquid outlet hose connected to the inside of the electrolytic component and used for liquid inlet and liquid outlet. The present invention squeezes and releases the first bellows by moving the first driving frame up and down, so that the cleaning liquid is pressurized to flow back and forth in the electrolytic component, the turbulence of the cleaning liquid is increased, and the scale is dissolved and discharged. At the same time, the cleaning liquid flows back and forth inside the electrochemical component, which can make the flow path of the cleaning liquid inside the electrochemical component more complex and changeable, which helps to reduce cleaning dead corners, and can accelerate the shedding and discharge of dirt, thereby improving the cleaning efficiency.

The application discloses a protection plate assembly, a battery assembly and a vehicle. The protection plate assembly is arranged at the bottom of a battery pack. The protection plate assembly comprises at least one of a scale protection layer, a sandwich metal layer, a honeycomb structure layer and a composite material layer. The scale protection layer, the sandwich metal layer, the honeycomb structure layer and the composite material layer are sequentially connected. The honeycomb structure layer comprises a plurality of unit cells. The plurality of unit cells are arranged in an array in the width direction, the thickness direction and the length direction of the protection plate assembly. The hierarchical energy absorption structure of the protection plate assembly can effectively expand the conduction area of impact energy and realize continuous dissipation of energy, significantly improve the energy absorption efficiency of the protection plate assembly under impact, avoid a concentrated impact path, enhance the protection of the battery pack, and the structure of the honeycomb structure layer is better in compression resistance and rebound characteristics, the density of the honeycomb layer is increased, and lateral deformation is inhibited.

The present invention relates to the technical field of water purification, and discloses a circulating purification treatment device for flowing water, including a mounting base, a drainage pipe is fixedly mounted on the upper side of the mounting base, the tail of the drainage pipe is fixed to the mounting base and is in a blocked state, a first discharge pipe, a second discharge pipe and a filtrate pipe are respectively fixedly mounted on the tail end of the mounting base, a drainage port is provided on the inner wall of the drainage pipe, and the drainage pipe is connected to the first discharge pipe through the drainage port. By arranging a rotatable filter disc in the drainage pipe, since a vortex-shaped baffle is arranged at the end of the filter disc, when the vortex-shaped baffle rotates and is pushed by the water flow in the drainage pipe, the impurities intercepted by the filter disc can be pushed from the intermittently conducted overflow window to the central pipe to discharge the impurities, so that the filter disc has an automatic cleaning function, can circulate and filter sewage, achieve the effect of not being easy to be blocked, reduce maintenance costs, and be more economical and reliable to use.

This application provides a connector female socket, a connector male head, and a connector. The connector female socket includes a housing and a spring contact. The spring contact adopts an inverted U-shaped main body design, with a flexible contact structure housed within a symmetrically arranged clearance groove in the middle: including a first flexible contact extending obliquely from the top and second flexible contact parts symmetrically distributed on both sides. After the male head is inserted, three stable contact points are formed in a triangular distribution: firstly, the three-point contact design makes the current distribution more uniform, which can reduce contact resistance; secondly, the progressive contact method ensures both low insertion and extraction force and maintains sufficient contact pressure; thirdly, the triangular contact layout significantly improves vibration resistance and effectively suppresses fretting wear; finally, the interference fit fixing method of the spring contact results in a long product insertion and extraction life. This design is suitable for high-current applications in new energy vehicles, ensuring high reliability while also taking into account ease of assembly.

The present invention relates to the technical field of clamping mechanisms, and in particular to a broken belt buffer clamping mechanism suitable for a large stretching machine, comprising a clamping seat, an upper pad, an upper connecting assembly, an upper guide groove, a first upper elastic member, an upper jaw, a lower pad, a lower connecting assembly, a lower guide groove, a first lower elastic member and a lower jaw; the clamping seat forms a clamping cavity; the upper pad is detachably mounted on the top of the clamping cavity through the upper connecting assembly; the upper guide groove is mounted on the bottom of the upper pad through the first upper elastic member; the upper jaw is slidably mounted on the bottom of the upper guide groove, and a second upper elastic member capable of abutting against the side wall of the clamping cavity is penetrated inside; the lower pad is detachably mounted on the bottom of the clamping cavity through the lower connecting assembly; the lower guide groove is mounted on the top of the lower pad through the first lower elastic member; the lower jaw is slidably mounted on the top of the lower guide groove, and a second lower elastic member capable of abutting against the side wall of the clamping cavity is penetrated inside.

The utility model discloses a square conductive flexible freight bag made of high polymer materials, which relates to the technical field of flexible freight bags and comprises a flexible freight cloth bag, the side edge of the flexible freight cloth bag is connected with an equipment bearing mechanism, and a material layering device mechanism is arranged in the flexible freight cloth bag. The equipment bearing mechanism comprises a hand lifting frame connected to the side edge of the packaging cloth bag, and a connecting frame is installed below the hand lifting frame. According to the square conductive container bag made of the high polymer material, the layering bag is arranged in the container bag, the layering bag is wound on the rear portion of the interior of the container bag, after the layering bag is opened, the layering bag is fixed in the layering clamping frame through bag edge glue on the two sides, and the interior of the container bag can be divided into several parts at equal intervals; and meanwhile, the layering bag is also made of the same material as the packaging cloth bag, so that the conductive area in the packaging cloth bag can be increased, and the safety of the equipment during use is improved.

The utility model discloses an HUD (Head Up Display) liquid crystal display module for improving antistatic capacity, which comprises a surface iron frame and a rear iron frame, and lower TFT (Thin Film Transistor) glass, upper TFT glass, a bottom polaroid, a shipping layer and a surface polaroid are arranged between the surface iron frame and the rear iron frame; the shielding layer is connected to one side of the upper-layer TFT glass, the surface polaroid is arranged on one side of the shielding layer, the top and the bottom of one side of the shielding layer are bonded with conductive double-faced adhesive tapes, and the inner side of the surface iron frame is bonded with the conductive double-faced adhesive tapes; the shipping layer is exposed, the conductive double-faced adhesive tape with the corresponding size is additionally attached to the exposed position, through the adjustment, silver paste does not need to be dispensed, ITO of the shipping layer can be directly conducted with the surface iron frame, the conduction area is large, resistance is low, the path is extremely short, and when the surface of the liquid crystal display screen receives static electricity, the surface of the liquid crystal display screen is not prone to static electricity leakage. When the HUD display module is used, the static electricity can be quickly released to the surface iron frame through the conductive double-faced adhesive tape and then quickly released to equipment such as a client shell, so that the static electricity resistance of the HUD display module is enhanced to a greater extent.

The invention provides a probe sleeve for a test probe and a test system, the probe sleeve for the test probe comprises a fusing inner tube and two conductive sleeves, the two ends of the fusing inner tube in the extension direction are provided with first openings, and the outer diameter of the conductive sleeves is matched with the fusing inner tube; the two conductive sleeves are inserted from the first openings in the two ends of the fusing inner tube respectively, a spacer is arranged between the ends, close to each other, of the two conductive sleeves in the fusing inner tube, the two conductive sleeves are electrically connected with the fusing inner tube respectively, and the ends, away from each other, of the two conductive sleeves are provided with second openings respectively. The two test probes are respectively inserted into the two conductive sleeves through the second openings and are respectively electrically connected with the corresponding conductive sleeves, and the fusing inner tube is used for expanding and breaking circuit during overcurrent and recovering at a preset temperature. According to the application, the fusing inner tube and the conductive sleeves are arranged, so that overcurrent expansion and breaking circuit and preset temperature recovery are realized; therefore, the electrical safety of the tested electronic product is protected, and the detection efficiency of the test probe is improved.

The invention discloses a permanent magnet synchronous motor, a design method thereof and a gyro north seeker. The permanent magnet synchronous motor comprises a stator, the stator comprises a stator iron core, N-pole magnets and S-pole magnets, and the N-pole magnets and the S-pole magnets are alternately arranged on the inner side of the stator iron core in the circumferential direction of the stator iron core. The rotor comprises a rotor iron core and a flexible circuit board winding, the rotor iron core and the stator iron core are concentrically arranged, the rotor iron core is located on the inner side of the stator iron core, and the flexible circuit board winding is arranged on the outer side of the rotor iron core in a surrounding mode; the flexible circuit board winding comprises wiring layers stacked in the thickness direction when the flexible circuit board winding is unfolded, each wiring layer comprises a conductive block with a parallelogram plane shape, and the short edge of each conductive block is arranged in the length direction when the flexible circuit board winding is unfolded. And the plurality of conductive blocks are arranged at intervals and in an insulating manner along the length direction of the flexible circuit board winding when the flexible circuit board winding is unfolded.

The invention discloses a safe and stable high-temperature-resistant hot water circulating pump system, and belongs to the technical field of hot water circulating pumps, the safe and stable high-temperature-resistant hot water circulating pump system comprises a circulating pump body, and the circulating pump body comprises a circulating pump shell and a circulating pump shaft; the cooling pump body comprises a cooling pump shell and a cooling pump shaft, and the cooling pump shaft is installed in the cooling pump shell; the driving motor comprises a motor shell and a main shaft, the main shaft is connected with the circulating pump shaft through a coupler, and a second annular cooling cavity is formed in the motor shell; the refrigerating mechanism comprises a refrigerating box and a refrigerator mounted in the refrigerating box; and a base. The circulating pump can be automatically cooled in the operation process of the circulating pump system through the cooling pump body and the refrigerating mechanism, the cooling rate can be adjusted according to the operation speed of the circulating pump through the linkage mechanism, the cooling effect on the circulating pump is guaranteed, the high-temperature resistance of the circulating pump is improved, and safe and stable use is guaranteed.