248results about How to "Affect performance" patented technology

The invention discloses an integrated case of a turboshaft engine. The integrated case comprises an integrally-formed case body and a lubricating oil tank connected with the case body. And an air inlet flow channel is arranged in the casing body. A lubricating oil loop and an anti-icing gas flow path are further integrated in the casing body, the oil inlet end of the lubricating oil loop extends into the lubricating oil tank so as to be used for leading lubricating oil contained in the lubricating oil tank into the accessory transmission casing outwards, and the oil outlet end of the lubricating oil loop communicates with the lubricating oil tank so as to be used for enabling the lubricating oil of the accessory transmission casing to flow back to the lubricating oil tank. The air inlet end of the anti-icing air flow path extends into the lubricating oil tank and penetrates through the lubricating oil tank so as to be used for being connected with an external pipeline for supplying anti-icing air, so that hot anti-icing air enters the anti-icing air flow path, and then the inner ring face and the outer ring face of the air inlet flow path are subjected to heating anti-icing. According to the integrated case, the integration degree is high, additional parts do not need to be added for preventing ice and providing lubricating oil, the number of the parts is small, the structure is relatively simple, therefore, the number of connectors is small, air leakage and oil leakage are not likely to happen, and the reliability of an engine is improved.

The fastening bolt thread machining system comprises a supporting mechanism, the supporting mechanism comprises a rotatable material clamping assembly, a machined part is arranged on the rotatable material clamping assembly, a transmission assembly is connected to the middle of the rotatable material clamping assembly, a lifting assembly is fixedly connected to the upper portion of the rotatable material clamping assembly, and a driving assembly is arranged on the lifting assembly; and the adjustable machining mechanism comprises a rotating assembly and an elastic assembly, the rotating assembly is assembled on the lifting assembly and is in transmission connection with the transmission assembly, a thread machining assembly is arranged on the peripheral face of the rotating assembly, and the thread machining assembly can be in transmission connection with the driving assembly. The elastic assembly is lifted upwards through the lifting assembly, so that the elastic assembly can be elastically reset after being lifted by a section, the elastic assembly and the inclined groove are matched to drive the rotating assembly and the thread machining assembly to rotate, and the positions of the multiple cutter bodies can be automatically switched.

The invention belongs to the technical field of intelligent manufacturing equipment, and particularly relates to a cutting tooth machining and welding device of a coal mining machine. The device further comprises an electromagnetic induction heating assembly, a plurality of sets of material supporting mechanisms, a rotary bearing mechanism, a special-shaped degree detection feedback mechanism, a welding speed and temperature automatic regulation and control mechanism and a PLC. According to the cutting pick welding device, the hard alloy head and the cutting pick body can be rapidly welded together in the cutting pick machining process, the cutting pick can automatically rotate during welding, then it is guaranteed that all parts of the cutting pick are evenly heated during welding, the special-shaped degree of the welding position of the cutting pick can be rapidly detected before welding, and the welding precision is improved. And specific information obtained through detection is fed back to the welding work in a current change mode, so that the welding temperature and the welding speed are more accurately regulated and controlled, and the welding speed and the welding temperature in the welding work can be quickly regulated to achieve the optimal setting.

The invention relates to a PCB and a grinding device thereof, and belongs to the technical field of PCB machining, the PCB and the grinding device thereof comprise a grinding platform, a rotating disc is rotationally arranged on the upper side of the grinding platform, a first servo motor for driving the rotating disc to rotate is fixedly arranged on the lower side of the grinding platform, and a plurality of positioning grooves are formed in the rotating disc; waste grooves penetrating through the rotary disc are formed in the bottoms of the multiple positioning grooves correspondingly, a discharging groove matched with the waste grooves is formed in one side of the polishing platform in a penetrating mode, a glue storage mechanism is slidably arranged in the discharging groove, and a copper powder storage mechanism communicating with the glue storage mechanism is arranged on the upper side of the glue storage mechanism. An attaching mechanism is vertically and movably arranged in the glue storage mechanism, the attaching mechanism sequentially drives the glue and the copper powder to rise in the rising process, so that the glue and the copper powder are attached to the side wall of the PCB hole, in the PCB hole side wall attaching device, sweeps on the inner wall of the hole can be cleaned, and epoxy resin cutting the inner wall of the hole is protected.

The invention discloses a composite current collector, a preparation method thereof and a battery. The composite current collector comprises a base film and a copper layer, wherein the copper layer is positioned on at least one surface of the base film; holes are formed in the surface of the copper layer; the carbon nano tube array is positioned on the surface of the hole; and a Cu2Se nano array, wherein the Cu2Se nano array is located on the surface of the carbon nano tube array. And meanwhile, the composite current collector with the hole structure, the carbon nanotube array and the Cu2Se nano array can remarkably reduce the internal resistance of the battery after circulation, and the lithium precipitation behavior on the surface of the negative electrode is inhibited while the quick charging capacity of the battery is improved.

The invention discloses a preparation method of a TOPCon solar cell. The preparation method comprises the following steps: S1, polishing the back surface of a silicon wafer; s2, depositing a tunneling oxide layer, a phosphorus-doped amorphous silicon layer and a mask layer on the back surface; s3, performing alkali texturing on the front surface; s4, depositing a tunneling oxide layer and an intrinsic amorphous silicon layer on the front side; s5, performing boron diffusion on the front surface, and synchronously crystallizing the phosphorus-doped amorphous silicon layer on the back surface to form a phosphorus-containing polycrystalline silicon layer; s6, carrying out laser crystallization; s7, removing the surface layer parts of the side surface BSG layer and the back surface mask layer; s8, removing the side boron diffusion layer, the front BSG layer and the residual mask layer; s9, double-sided film coating; and S10, carrying out silk-screen printing, sintering and light injection. According to the method, single-side texturing of the silicon wafer can be realized, and excessive internal expansion of phosphorus atoms caused by too high crystallization temperature can be avoided by matching low-temperature boron diffusion with laser crystallization. According to the method, the thickness of the silicon wafer is reduced slightly, the fragmentation rate of the silicon wafer in the preparation process is reduced, and the optical performance of the cell can be further improved.

The invention relates to a novel temperature compensation type TC-SAW (Temperature Compensation Surface Acoustic Wave) process, which belongs to the field of temperature compensation type surface acoustic wave filters, and comprises the following steps: firstly, forming an IDT metal pattern on an LN substrate; preparing a hot oxygen silicon wafer, and grooving the SiO2 layer to present a shape corresponding to the IDT pattern; bonding the LN substrate and the slotted hot oxygen silicon wafer by adopting a bonding process; thinning and chemically and mechanically polishing the silicon substrate and the SiO2 layer; siO2 in the target area is etched; evaporating a thickening layer metal on the SiO2; and a passivation layer is deposited, and holes are formed in the passivation layer at the PAD position. The SiO2 temperature compensation layer formed by the thermal oxidation silicon wafer is few in defect, high in compactness, better in temperature compensation effect and higher in TCF coefficient. Meanwhile, SiO2 dust can be prevented from appearing in the SiO2 sputtering process, and the influence on the performance of the device can be avoided.

The invention discloses a sealing structure for a vehicle air spring, and belongs to the technical field of vehicle air springs. The problems that in the prior art, a sealing structure of an air spring is poor in sealing effect, and the performance of top rubber can be affected are solved. The fastening assembly is arranged at the top of the upper mounting base assembly, external threads are arranged on the side wall of the top end of the piston rod, a sealing washer and top rubber are arranged in a base hole of the upper mounting base assembly, the top end of the piston rod penetrates through the sealing washer and the top rubber and then is fixed to a nut in a threaded mode, and the top rubber abuts against the top face of the sealing washer. The bottom face of the sealing washer abuts against the inner bottom face of the seat hole of the upper installation seat assembly, and the inner diameter of the sealing washer is smaller than the outer diameter of the piston rod. According to the sealing structure for the vehicle air spring, the top rubber and the piston rod as well as the top rubber and the upper mounting seat assembly are effectively sealed, so that the pressure difference between the upper surface and the lower surface of the top rubber is kept consistent, the performance of the top rubber is guaranteed, and the performance and the stability of the air spring are guaranteed.

The invention provides a blade electric vehicle water-cooling controller cooling water runner structure which comprises a water-cooling plate, a water-cooling base is integrally arranged at the lower end of the water-cooling plate, and an IGBT module is installed on the side, away from the water-cooling base, of the water-cooling plate so that the IGBT module can be cooled through the water-cooling base; and the cover plate is mounted at the outer end of the water cooling seat and is fixedly combined and connected with the water cooling seat through a friction stir welding process. A first cooling flow channel, a second cooling flow channel and a third cooling flow channel of the device are separated through heat conducting plates, the first cooling flow channel and the second cooling flow channel are not communicated, turbulent flow is avoided, the second cooling flow channel exchanges heat with the first cooling flow channel through reverse flowing of cooling water, the uniformity of the water level of the first cooling flow channel is improved, and the cooling efficiency is improved. And heat conduction is facilitated, the water temperature in the first cooling flow channel is reduced, the cooling performance of the first cooling flow channel on the water cooling plate is further improved, the problem of heating of the IGBT module is solved, and temperature balance of the IGBT module is achieved.

The present application relates to a pole piece gluing device, including a gluing mechanism, the gluing mechanism is used to glue the pole piece along the transmission direction of the pole piece, and form a gluing area on the pole piece; the gluing area is located at the two side edges of the pole piece along the width direction of the pole piece, and the pole piece has a coating area in the middle, the gluing area at least partially overlaps with the coating area, and the gluing area exceeds the pole piece along the width direction of the pole piece. In the present application, the two side edges of the pole piece are glued along the transmission direction of the pole piece, and the gluing area exceeds the width of the pole piece, so that the tape attached to the pole piece exceeds the width of the pole piece, and the excess part of the tape is folded so that the tape covers the end faces on both sides of the pole piece, thereby isolating the burrs on the end faces, and preventing the burrs on the end faces of the pole piece from piercing the diaphragm during subsequent coating to cause a short circuit, thereby affecting the performance of the battery.

The utility model discloses an efficient heat dissipation portable energy storage power supply structure, which comprises a mounting shell, the mounting shell comprises an upper cover, a bottom plate and side plates, the upper cover, the bottom plate and the side plates define a containing cavity, the side plates comprise two first side plates and two second side plates which are oppositely arranged, at least two heat dissipation fans are arranged in the containing cavity, and the heat dissipation fans are arranged in the containing cavity. The at least two cooling fans are oppositely arranged on the two second side plates; at least one ventilation opening communicated with the containing cavity is formed in any second side plate and directly faces the cooling fan, the cooling fan can guide external cold air into the containing cavity through the ventilation openings, and a cooling structure is arranged below one ventilation opening. Cold air enters the containing cavity from the heat dissipation structure close to the bottom plate and the ventilation opening in the same side and is exhausted from the ventilation opening in the other end after passing through the battery cell and other heating components, heat generated during equipment operation can be rapidly taken away, the situation that the performance and the service life of the battery cell are affected due to overheating is avoided, and the safety and stability of the portable energy storage power source are improved.

This utility model discloses a dual-battery charging and discharging circuit, including: a control module, a first switch module, a second switch module, a first battery, and a second battery; the control module is connected to the first battery and the second battery respectively, and is used to detect the voltage of the first battery and the second battery; the control module is also connected to the first switch module and the second switch module respectively, and is used to control the conduction and cutoff of the first switch module and the second switch module according to the voltage difference between the first battery and the second battery, so as to realize the switching of charging and discharging modes. In the discharging mode, the high-voltage battery is given priority to be powered or the batteries are connected in parallel to be powered; in the charging mode, the low-voltage battery is given priority to be charged or the batteries are connected in parallel to be charged.

The invention provides a pump body assembly, a fluid machine and heat exchange equipment. The pump body assembly comprises a first air cylinder and a second air cylinder, and a partition plate is arranged between the first air cylinder and the second air cylinder. The volume of the third air cylinder is smaller than that of the first air cylinder and that of the second air cylinder. The first air cylinder and the second air cylinder are located between the first flange and the second flange; the third air cylinder is located between the second flange and the first cover plate; and the second cover plate is located between the second flange and the third air cylinder, and a first exhaust cavity of the second air cylinder is formed between the second cover plate and the second flange. The problem that in the prior art, miniaturization design of an air cylinder in fluid machinery is limited is solved.

The utility model relates to the technical field of MEMS device packaging, and particularly discloses a strip-shaped clamp for an MEMS device, and the MEMS device comprises an MEMS sensor and a special integrated circuit needing to be subjected to an injection molding process; the strip-shaped clamp comprises a frame part and a central part; the central part comprises a plurality of parallel long strip parts which are arranged at intervals; the two ends of each long strip part in the plurality of long strip parts are respectively connected with the frame part so as to form a plurality of strip-shaped openings; the corners of the strip-shaped opening are arranged to be fillets; and under the condition that the MEMS device is arranged below the strip-shaped clamp, the strip-shaped opening is used for exposing an application-specific integrated circuit of the MEMS device so as to carry out an injection molding process, and the strip-shaped part is used for covering an MEMS sensor of the MEMS device. According to the strip-shaped clamp, the cleaning difficulty can be reduced, the manufacturing cost can be reduced, the influence of sputtered resin points in the injection molding process on the performance of the MEMS device can be effectively prevented, and the packaging yield of the MEMS device is effectively improved.

The utility model discloses a cutting device for a non-ferrous metal smelting rolled product, which belongs to the technical field of non-ferrous metal smelting processing, and comprises a rack, a conveying component for conveying the non-ferrous metal rolled product and a cutting component for cutting the non-ferrous metal rolled product, the conveying component is arranged on the rack, and the cutting component is arranged on the rack. A pressing assembly is arranged on the rack, and the cutting assembly is arranged on the rack; according to the cutting-off device for the non-ferrous metal smelting rolled product, through the effect of the conveying assembly, the non-ferrous metal rolled product is conveyed, through operation of a rotating motor and cooperative use of a second threaded rod and a sleeve block, a stable plate moves along with the stable plate, and through cooperative use of a groove and a cutter, the non-ferrous metal rolled product is cut off; and through cooperative use of the mounting plate and the cooling fan, the cut-off part is cooled, so that the non-ferrous metal rolled product is continuously and efficiently cut off, meanwhile, the continuous cutter is cooled, and the influence of high temperature on the product quality and performance is avoided.

The utility model relates to the technical field of solid state disk testing, and discloses a plugging mechanism for a hot plugging test of a solid state disk, a plugging force testing machine is used for carrying out the hot plugging test on the solid state disk in a matching manner, and the top of the plugging force testing machine is provided with an installation platform. The right side of the top of the mounting platform is provided with a clamping mechanism which is matched with the hot plug detection unit for clamping and positioning, and the hot plug detection unit is provided with a detection socket which is matched with the insertion detection of the solid state disk; the clamping mechanism is used for clamping and positioning hard disk racks of different sizes, the clamping mechanism is installed on a lifting platform of the lifting mechanism, the lifting mechanism is used for adjusting the height of the hard disk racks, and the hard disk racks are used for clamping and positioning solid state disks; the rotary reciprocating mechanism converts rotation into linear motion and reciprocatingly inserts and pulls the plugging port of the solid state disk into and out of the hot plug detection unit, so that automatic plugging detection of the solid state disk can be realized, and the automation degree is high.

The utility model discloses a kind of safety warning devices for mine safety, including mounting seat, the top of mounting seat is rotatably connected with warning light by bearing, detachably mounted with protective cover in the outside of warning light in the top of mounting seat, and the top of protective cover is installed with dust cover, the central shaft end portion of warning light base is passed through mounting seat and is fixedly connected with mounting frame, speaker is detachably installed in mounting frame, the bottom of mounting seat is symmetrically fixedly connected with fixed rod, and the bottom of fixed rod is fixedly connected with support plate, the bottom center of support plate is fixedly installed with driving motor, and the central shaft end portion of driving motor is fixedly connected with mounting frame by passing through support plate, the utility model has the beneficial effects: the utility model can realize the double warning of vision and hearing, and rotation of warning light and speaker can be controlled in warning, the coverage range and propagation effect of sound warning are enhanced, and protective cover is installed conveniently and quickly, and it is convenient to disassemble and replace, improve the maintenance efficiency of device.

This application discloses a robot heat dissipation structure and a robot for improving the heat dissipation efficiency of robot joints. The robot heat dissipation structure of this application includes: a shell, a first power module, a second power module, and an air supply assembly; the shell includes a first receiving part and a second receiving part, which are integrally formed or detachably connected, and a communication port is provided between the first receiving part and the second receiving part; the first power module is at least partially received in the first receiving part, and a gap is provided between the side wall of the first receiving part and the first power module; the first receiving part is provided with a first air outlet and an air inlet; the first power module is provided with an air supply assembly near the air inlet; the second receiving part includes a third air outlet, a mounting interface, and a communication port, a dustproof plate is installed on the third air outlet, and a ventilation opening is provided on the dustproof plate; the second receiving part is connected to the second power module through the mounting interface, which has an opening.

The invention provides a stator assembly and a motor. The stator assembly comprises a plurality of first iron core pieces and a plurality of second iron core pieces, and each first iron core piece comprises N first tooth parts which are arranged at intervals in the circumferential direction of the stator assembly; each second iron core piece comprises M second tooth parts which are arranged at intervals in the circumferential direction, = N, Ngt; = 2; wherein the plurality of first iron core pieces are arranged in a surrounding mode in the circumferential direction of the stator assembly to form a first iron core ring, the plurality of second iron core pieces are arranged in a surrounding mode in the circumferential direction to form a second iron core ring, the number of first tooth parts on the first iron core ring is the same as that of second tooth parts on the second iron core ring, and the first tooth parts and the second tooth parts are arranged in a one-to-one opposite mode in the axial direction of the stator assembly. The stator assembly provided by the invention can improve the reliability of the motor.

The utility model provides a stable output coreless motor, which relates to the technical field of motors and comprises a casing, and magnetic steel is fixedly mounted on the inner side of the casing. According to the utility model, through the design of the rapid plugging mechanism, when the plug is plugged into the electric socket, the powerful magnet A and the powerful magnet B attract each other, rapid positioning is facilitated, after the plug is plugged in place, the limiting block pops up under the action of the tension spring and slides into the limiting hole, stable connection is ensured, and during dismounting, the limiting block is pressed to overcome the elastic force of the tension spring so as to be separated from the limiting hole. In the scene that the motor needs to be replaced frequently or equipment debugging needs to be carried out frequently, the convenience of connection between the motor and an external power supply can be greatly improved, the connection and disassembly time can be shortened, and the situation that an interface is damaged due to misoperation can be avoided; the output shaft is fixedly connected to one end of the rotor and is rotationally connected with the bearing body in the front cover; and the stability and smoothness of power output of the motor are ensured.

Provided is an automatic analyzer that can ensure analytical performance and reduce the load of the workers at the same time by sterilizing or removing bacteria in pure water as appropriate using the temperature control mechanism provided to ensure analytical performance without adding complicated structures or work. The automatic analyzer includes an analysis unit (1092) for performing specimen analysis, liquid storage units (1031 and 1041) for storing the liquid used for specimen analysis, flow paths (1033 and 1043) for sending liquid from the liquid storage units (1031 and 1041) to the analysis unit (1092), liquid feeding units (1030 and 1040) for sending liquid from liquid storage units (1031 and 1041) to the analysis unit (1092) via the flow paths (1033 and 10431), and temperature control units (1091 and 1036) for controlling the temperature of the analysis unit (1092) and the flow paths (1033 and 1043). The temperature control units (1091 and 1036) adjust the temperature of the analysis unit 1092 to a first temperature of 20°C to 45°C during the analysis operation, and adjust the temperature of one flow path (1033 or 1043) to a second temperature of 50°C to 90°C after the analysis operation by the analysis unit (1092) is completed.

This application provides a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core containing LimAxMn1-yByP1-zCzO4-nDn, a first coating layer enveloping the core and containing a crystalline pyrophosphate LiaMP2O7 and / or Mb(P2O7)c, a second coating layer enveloping the first coating layer and containing an oxide M'dOe, and a third coating layer enveloping the second coating layer and containing carbon. The positive electrode active material of this application can reduce Li / Mn anti-site defects produced, reduce dissolving-out amount of manganese, lower the lattice change rate, increase the capacity of the secondary battery, and improve the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

The application provides a multi-layer co-extrusion insulation layer extruder which comprises a base plate, a support seat fixedly connected to the right side of the upper end face of the base plate, a support seat inner cavity in the shape of a circular arc, an extrusion device fixedly connected to the inside of the support seat, a discharge pipe fixedly connected to the left side outlet of the extrusion device, a discharge device fixedly connected to the left side of the upper end face of the base plate, the discharge device right side being in communication with the discharge pipe, and a die head fixedly connected to the middle of the left side end face of the discharge device. The device has the advantages of simple structure, convenient operation, and effective improvement of the overall quality and insulation performance of the cable.

This application provides an information transmission method and an apparatus. The information transmission method includes: receiving first downlink control information, where the first downlink control information includes frequency hopping indication information of a physical uplink control channel PUCCH and / or transmission mode indication information of the PUCCH, or the first downlink control information is downlink control information scrambled by a first radio network temporary identifier, and includes frequency hopping indication information of a PUCCH, transmission mode indication information of the PUCCH, bandwidth part BWP indication information, and / or repetition indication information; and performing data transmission based on the downlink control information. In this case, with the foregoing information included in the first downlink control information, the terminal device may perform frequency hopping to obtain a frequency diversity gain and improve flexibility, and / or transmission may be repeated to improve transmission performance, and / or a frequency resource may be adjusted to achieve load balancing or obtain a frequency diversity gain.

The utility model discloses a display pendant with NFC function, including shell, control module, shield cover, display screen, NFC module and transparent protection piece, through setting up in the accommodation cavity with control module, set up in the accommodation cavity and be located the below of window with display screen, this display screen sets up control module and the side of shield cover and with control module electric connection, set up in the accommodation cavity with NFC module and be located the side of control module and display screen, the display pendant of this structure not only has display information function, still has NFC function, and the function is more rich and varied, make product more competitive, through with external NFC mobile terminal close to this product, can read the information that stores in advance in NFC module, can provide more information for the user to better understand commodity, bring the convenience for the use of user, the shield cover is covered and set up outside control module, can prevent the metal layer in control module from influencing the performance of NFC module, promote product quality, satisfy existing demand.

The suspension double lug connecting structure positioning device comprises a driving assembly and a positioning assembly connected with the driving assembly, the double lug connecting structure comprises a double lug female end and a double lug male end, the positioning assembly comprises a positioning seat, the positioning seat is arranged on both sides of the double lug female end, guide blocks are arranged on the positioning seat, the guide blocks are located on both sides of the double lug male end, the positioning assembly and the guide blocks can facilitate assembly and positioning of the double lug female end and the double lug male end, the positioning seat can be flexibly adjusted according to the size of the double lug connecting structure and the assembly tolerance, the accurate alignment between the double lug female end and the double lug male end is effectively ensured, unnecessary stress concentration is avoided, and the problem that the performance of the suspension and the stability of the vehicle are affected by assembly errors is effectively avoided.

The utility model relates to the technical field of intelligent closestool, especially to a kind of intelligent heating closestool, including closestool seat and closestool ring, closestool ring is movably arranged on closestool seat, electric heating wire is arranged in closestool ring, temperature is transmitted to the upper surface of closestool ring by heat transfer of electric heating wire, air hole, which is communicated with the inside of closestool ring, is opened in the side wall of closestool ring, waterproof air-permeable membrane of high temperature resistance is equipped on closestool ring, waterproof air-permeable membrane covers on air hole;The position of air hole on the side wall of closestool ring is also provided with waterproof flow guide structure, waterproof flow guide structure is communicated with outside and air hole, for guiding water flow away from air hole.The utility model discloses a kind of intelligent heating closestool, waterproof air-permeable membrane is set on the air hole of closestool ring, to form a water barrier, while guiding water flow away from air hole by waterproof flow guide structure, effectively prevent water droplet or water vapor from entering closestool ring by air hole, avoid affecting the performance and service life of electric heating wire.

The utility model relates to the field of patches of electronic pulse massagers, in particular to a patch storage device of an electronic pulse massager. The storage device aims at solving the technical problem that in the prior art, used patches and unused patches cannot be placed in a classified mode. A patch storage device of an electronic pulse massage instrument comprises a storage box, an avoiding groove, a first storage assembly and a second storage assembly. According to the utility model, the first storage assembly and the second storage assembly are assembled in the storage box, the assembled patches are large in storage quantity and clear in classification, a closed space is formed in the storage box, dust is prevented from entering the stored patches, the performance of the patches is prevented from being influenced, and the storage box can be carried in a unified manner, is small in occupied volume and convenient to carry; each new patch is independently stored through the first storage assembly and is convenient to take and place, and the attaching end of the used patch can be cleaned and disinfected through the second storage assembly, so that the patch is kept moist and sanitary.

The battery module stacking jig comprises a box body, the upper surface of the box body is fixedly connected with a fixing seat, the outer wall of one side of the fixing seat is fixedly connected with an electric push rod, the extension end of the electric push rod is provided with a clamping frame, the outer side of a placing plate is movably connected with a sliding seat, and the sliding seat is fixedly connected with the fixing seat. The sliding base is fixed to the upper surface of the top plate through a detachable plug pin assembly, two fixing rods are fixedly connected to the inner wall of the top of the box body, a two-way lead screw is movably connected between the two fixing rods, a plurality of sliding grooves are formed in the top of the box body, and a sliding frame is movably connected between the two sliding grooves in the length direction of the box body; the sliding frame is in threaded connection with the two-way lead screw, and the two ends of the sliding frame extend out of the sliding grooves and are fixedly connected with positioning plates. According to the utility model, not only can a plurality of battery modules be positioned in the stacking process, but also a steel cable tie can be conveniently and stably sleeved by a worker.