Special-shaped battery structure and manufacturing method thereof

Abstract

The invention belongs to the technical field of batteries, and particularly relates to a special-shaped battery structure and a manufacturing method thereof.The special-shaped battery structure comprises a first battery cell assembly and a second battery cell assembly, the first battery cell assembly and the second battery cell assembly are fixed to the lower end of a protection plate assembly through locking plate screws, and an insulation assembly is arranged between the first battery cell assembly and the second battery cell assembly; the first battery cell assembly and the second battery cell assembly are connected in series through a protection plate assembly circuit, a wire plug is welded to the protection plate assembly, the first battery cell assembly, the second battery cell assembly, the insulation assembly and the protection plate assembly are all packaged in the lower shell through the upper shell, and the first battery cell assembly and the second battery cell assembly are connected in series to supply power. The battery has the advantages of compact overall structure and high output power, is not easy to loosen, can prevent short circuit caused by direct contact of the end parts of the first battery core assembly and the second battery core assembly through the insulating assembly, and has a good protection effect on the first battery core assembly and the second battery core assembly after the upper shell and the lower shell are buckled.

Description

Technical Field

[0001] The invention belongs to the technical field of batteries, and in particular relates to a special-shaped battery structure and a manufacturing method thereof. Background Art

[0002] In order to save costs, the existing battery structure is simplified, and the protection of the internal battery cells is weak. The battery cells are at risk of vibration or extrusion explosion, which endangers life and property safety. For example, the patent application number is CN202111621574.7, which discloses a lithium battery pack assembly structure, including a battery box and two brackets, a plurality of battery cells are clamped between the two brackets, the plurality of battery cells are arranged in a rectangular shape, and a heat dissipation pipe is provided between every four battery cells arranged in the rectangular shape, and the heat dissipation pipe is adapted to the surface of the battery cell through an arc surface, and threaded joints are provided at both ends of the heat dissipation pipe, and a sealing screw is connected to the inner thread of the threaded joint, and a through hole for inserting the threaded joint is provided on the bracket, and the sealing screw fixes the threaded joint on the bracket, and the heat dissipation pipe is filled with phase change thermal conductive material, and a cover plate is hinged on one side of the battery box, and a first air outlet is provided on the cover plate, and a fan is provided outside the first air outlet, and a second air outlet is provided on a side surface of the battery box facing the cover plate, and a plurality of card blocks are provided on the side where the second air outlet is located, and one of the brackets is clamped in the plurality of card blocks, but the disadvantage of this technical solution is that the battery cell is clamped in between, and the protection of the battery cell is weak, and the battery cell is at risk of vibration or extrusion explosion, which endangers life and property safety. Summary of the invention

[0003] The purpose of the present invention is to provide a special-shaped battery structure and a manufacturing method thereof to solve the problems in the prior art. The specific technical solution is as follows: A special-shaped battery structure includes a first battery cell assembly and a second battery cell assembly, the first battery cell assembly and the second battery cell assembly are both fixed to the lower end of a protection plate assembly by locking plate screws, an insulating assembly is provided between the first battery cell assembly and the second battery cell assembly, the first battery cell assembly and the second battery cell assembly are connected in series through the protection plate assembly circuit, a plug head is welded on the protection plate assembly, and the first battery cell assembly, the second battery cell assembly, the insulating assembly and the protection plate assembly are all encapsulated in a lower shell through an upper shell.

[0004] Furthermore, snap covers are installed at both ends of the upper shell, and a snap 1 is provided between the upper shell and the snap cover, and the front end of the snap 1 protrudes from the end of the upper shell.

[0005] Furthermore, the first battery cell assembly includes a battery cell bracket 1, in which a battery cell group 1 is inserted, and nickel sheet groups are welded at both ends of the battery cell group 1. The second battery cell assembly includes a battery cell bracket 2, in which a battery cell group 2 is inserted, and nickel sheet groups are welded at both ends of the battery cell group 2. The nickel sheet group is electrically connected to the plug through the protective plate assembly.

[0006] Furthermore, the nickel sheet group includes a positive nickel sheet one, a series nickel sheet one, a negative nickel sheet one, a series nickel sheet two, a positive nickel sheet two, a series nickel sheet three, a negative nickel sheet two and a series nickel sheet four. The positive nickel sheet one and multiple series nickel sheets one are welded at one end of the battery cell group one, the negative nickel sheet one and multiple series nickel sheets two are welded at the other end of the battery cell group one, the positive nickel sheet two and multiple series nickel sheets three are welded at one end of the battery cell group two, the negative nickel sheet two and multiple series nickel sheets four are welded at the other end of the battery cell group two, the negative nickel sheet one is electrically connected to the positive nickel sheet two through a protective plate assembly, and the positive nickel sheet one and the negative nickel sheet two are electrically connected to the plug through the protective plate assembly.

[0007] Furthermore, the insulating component includes an EVA auxiliary bracket, a PC sheet is provided between the EVA auxiliary bracket and the first negative nickel sheet, and a PC sheet is provided between the EVA auxiliary bracket and the second positive nickel sheet.

[0008] Further, the battery support 1 includes a frame 1, which is fixed to the lower end of the protection plate assembly by a locking plate screw, a plurality of battery plugs 1 are arranged in the frame 1, the battery group 1 is plugged into the battery plugs 1, and an insertion rod and a buckle 2 are arranged at the end of the frame 1; The second battery cell bracket includes a second frame, which is fixed to the lower end of the protection plate assembly by locking plate screws. A plurality of second battery cell plugs are arranged in the second frame, and the second battery cell group is plugged into the second battery cell plug. A connecting plug and a card slot are arranged at the end of the second frame, the plug rod is plugged into the connecting plug, and the second buckle is plugged into the card slot.

[0009] Furthermore, the battery cell insert tube 1 includes an insert tube, which is fixed in a frame 1, and four adjustment screws are threadedly connected to the end of the insert tube. The adjustment screws are fixedly connected to one end of a limit rod, and the other end of the limit rod slides in a vertical groove at the end of an elastic metal sheet, and the elastic metal sheet slides in an oblique groove inside the insert tube.

[0010] Furthermore, the protection plate assembly includes a protection plate, the plug head is welded on the protection plate, frame one and frame two are fixed to the lower end of the protection plate by locking plate screws, a power supply adjustment assembly is provided between the protection plate and the upper shell, the power supply adjustment assembly includes a base frame, the base frame is fixed on the protection plate, a power supply adjustment slider is slidably connected in a slide groove one provided at the lower end of the base frame, a positive metal sheet one and a negative metal sheet one are fixed in the power supply adjustment slider, a positive terminal one, a positive terminal two and a positive terminal three are provided on one side of the slide groove one, a negative terminal one, a negative terminal two and a negative terminal three are provided on the other side of the slide groove one, in the initial state, the middle part of the positive terminal one is clamped in the positive metal sheet one, and the negative terminal one is clamped in the negative metal sheet one.

[0011] Furthermore, the positive terminal 1 and the positive terminal 2 are both electrically connected to the positive nickel sheet 1 through the wire 1, the positive terminal 3 is electrically connected to the positive nickel sheet 2 through the wire 2, the negative terminal 1 and the negative terminal 3 are both electrically connected to the negative nickel sheet 2 through the wire 3, and the negative terminal 2 is electrically connected to the negative nickel sheet 1 through the wire 4. Metal strip 1 and metal strip 2 are fixed in parallel on the base frame. The upper end of the positive metal sheet 1 is slidably connected to the metal strip 2, and the upper end of the negative metal sheet 1 is slidably connected to the metal strip 1. Metal strip 1 is electrically connected to the plug head through the wire 9, and the metal strip 2 is electrically connected to the plug head through the wire 10. A rotating rod is rotatably connected to the base frame, one end of the rotating rod is slidably connected to the power supply adjustment slider, and the other end of the rotating rod is slidably connected to the charging assembly, and the charging assembly is arranged on the base frame.

[0012] A method for manufacturing a special-shaped battery structure, used for manufacturing a special-shaped battery structure as described in any one of the above, comprises the following steps: S1. Insert a cell group into a cell holder, weld the nickel sheet group at both ends of the cell group to form a first cell assembly, insert the cell group into the cell holder, weld the nickel sheet group at both ends of the cell group to form a second cell assembly; S2. The first battery cell assembly and the second battery cell assembly are fixed to the lower end of the protection plate assembly by locking screws, the insulating assembly is placed between the first battery cell assembly and the second battery cell assembly, and the plug connector is welded to the protection plate assembly so that the plug connector is electrically connected to the nickel sheet assembly through the protection plate assembly; S3. Install the first battery cell assembly, the second battery cell assembly, the insulation assembly and the protection plate assembly into the lower shell, install the two clips to the two ends of the upper shell through the two clip covers, and fix the upper shell to the upper end of the lower shell with screws.

[0013] The advantages of the present invention are: 1. After the ends of the first battery cell assembly and the second battery cell assembly are plugged and fixed, they are fixed to the lower end of the protection plate assembly through the locking plate screws. The first battery cell assembly, the second battery cell assembly and the protection plate assembly are all encapsulated in the lower shell through the upper shell, which has the advantages of compact overall structure, not easy to loosen, and not easy to be damaged by external force.

[0014] 2. The first battery cell assembly and the second battery cell assembly are connected in series through a protection board assembly circuit, and power is supplied to the electrical equipment through a plug, which has the advantages of concentrated energy, large output power and long power supply time.

[0015] 3. The insulating component is located between the first battery cell component and the second battery cell component, which can prevent the first battery cell component from directly contacting the ends of the second battery cell component and causing a short circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is an exploded view of the overall structure of the present invention; Figure 3 It is a schematic structural diagram of a first battery core assembly of the present invention; Figure 4 It is a schematic structural diagram of a second battery core assembly of the present invention; Figure 5 A schematic diagram of the structure of the battery core insert of the present invention Figure 1 ; Figure 6 A schematic diagram of the structure of the battery core insert of the present invention Figure 2 ; Figure 7 for Figure 6 A partial enlarged view of the middle part; Figure 8 The power supply adjustment component structure of the present invention is schematically shown in FIG. Figure 1 ; Fig. 9 It is an exploded view of the power supply adjustment component structure of the present invention; Fig.10 The power supply adjustment component structure of the present invention is schematically shown in FIG. Figure 2 ; Fig.11 The power supply adjustment component structure of the present invention is schematically shown in FIG. Figure 3 ; Fig.12 The power supply adjustment component structure of the present invention is schematically shown in FIG. Figure 4 ; Fig.13 The power supply adjustment component structure of the present invention is schematically shown in FIG. Figure 5 ; Fig.14 for Fig.13 A partial enlarged view of point B in the middle; Description of the markings in the figure: Plug 1; nickel sheet group 2; positive nickel sheet 1 201; series nickel sheet 1 202; negative nickel sheet 1 203; series nickel sheet 2 204; positive nickel sheet 2 205; series nickel sheet 3 206; negative nickel sheet 2 207; series nickel sheet 4 208; battery support 1 3; frame 1 301; battery plug 1 302; plug 3021; ​​adjustment screw 3022; limit rod 3023; elastic metal sheet 3024; vertical Slot 3025; oblique slot 3026; plug rod 303; buckle 2 304; battery cell group 1 401; battery cell group 2 402; PC sheet 5; EVA auxiliary bracket 6; battery cell bracket 2 7; frame 2 701; battery cell plug 2 702; connecting plug 703; slot 704; protection plate 8; locking plate screw 9; buckle cover 10; buckle 1 11; upper shell 12; lower shell 13; slide button 14; cover plate 15; identification line 16 ; chassis 17; power supply adjustment slider 18; positive metal sheet 19; negative metal sheet 120; positive terminal 1 21; positive terminal 2 22; positive terminal 3 23; negative terminal 1 24; negative terminal 2 25; negative terminal 3 26; wire 1 27; wire 2 28; wire 3 29; wire 4 30; rotating rod 31; charging adjustment slider 32; positive metal sheet 2 33; negative metal sheet 2 34; positive terminal 4 35; positive terminal 5 36; positive terminal 6 37; negative terminal 4 38; negative terminal 5 39; negative terminal 6 40; wire 5 41; wire 6 42; wire 7 43; wire 8 44; metal strip 1 45; metal strip 2 46; wire 9 47; wire 10 48; metal strip 3 49; metal strip 4 50; wire 11 51; wire 12 52; charging socket 53; slide slot 1 54; slide slot 2 55. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] Embodiment 1 like Figure 1-Figure 14As shown, a special-shaped battery structure includes a first battery cell assembly and a second battery cell assembly, the first battery cell assembly and the second battery cell assembly are both fixed to the lower end of the protection plate assembly by a locking plate screw 9, an insulating assembly is provided between the first battery cell assembly and the second battery cell assembly, the first battery cell assembly and the second battery cell assembly are connected in series through the protection plate assembly circuit, a plug head 1 is welded on the protection plate assembly, and the first battery cell assembly, the second battery cell assembly, the insulating assembly and the protection plate assembly are all encapsulated in the lower shell 13 through the upper shell 12; The working principle of the above technical solution: the first battery cell assembly and the second battery cell assembly are connected in series through the protection board assembly circuit, and the electrical equipment is powered by the plug 1, which has the advantages of concentrated energy and large output power. The first battery cell assembly and the second battery cell assembly are fixed to the lower end of the protection board assembly by the locking plate screws 9. The overall structure is compact and not easy to loosen. The insulating assembly is located between the first battery cell assembly and the second battery cell assembly to prevent the first battery cell assembly from directly contacting the end of the second battery cell assembly and causing a short circuit. After the upper shell 12 and the lower shell 13 are buckled together, the first battery cell assembly and the second battery cell assembly are well protected to prevent the first battery cell assembly and the second battery cell assembly from being damaged by external force.

[0020] Embodiment 2 like Figure 1-Figure 14 As shown, buckle covers 10 are installed at both ends of the upper shell 12, and buckle 11 is provided between the upper shell 12 and the buckle cover 10, and the front end of the buckle 11 protrudes from the end of the upper shell 12; The working principle of the above technical solution is as follows: the length of the upper shell 12 is greater than that of the lower shell 13, and the two snap covers 10 are located on both sides of the lower shell 13. The front ends of the snaps 11 on both sides of the upper shell 12 can be snapped into the electrical equipment, thereby fixing the overall special-shaped battery structure on the electrical equipment. The upper shell 12 is slidably connected to the snaps 11, and a spring is provided between the end of the snaps 11 and the upper shell 12. The snaps 11 are pulled into the upper shell 12 to compress the spring, and the front end of the snaps 11 shrinks into the end of the upper shell 12, and the overall special-shaped battery structure is inserted into the electrical equipment to release the restriction on the electrical equipment. Under the action of the spring elastic force, the snaps 11 are driven to move outward on the upper shell 12, and the front end of the snaps 11 protrude from the end of the upper shell 12 and are snapped onto the inner wall of the electrical equipment, thereby completing the snap-on installation of the special-shaped battery structure and the electrical equipment. The special-shaped battery structure is convenient for installation and disassembly.

[0021] Embodiment 3 like Figure 1-Figure 14As shown, the first battery cell assembly includes a battery cell bracket 1 3, a battery cell group 1 401 is inserted into the battery cell bracket 1 3, and nickel sheet groups 2 are welded at both ends of the battery cell group 1 401, and the second battery cell assembly includes a battery cell bracket 2 7, a battery cell group 2 402 is inserted into the battery cell bracket 2 7, and nickel sheet groups 2 are welded at both ends of the battery cell group 2 402, and the nickel sheet group 2 is electrically connected to the plug head 1 through the protection plate assembly; The nickel sheet group 2 includes a positive nickel sheet 201, a series nickel sheet 202, a negative nickel sheet 203, a series nickel sheet 204, a positive nickel sheet 205, a series nickel sheet 3 206, a negative nickel sheet 207 and a series nickel sheet 4 208. The positive nickel sheet 201 and the series nickel sheets 202 are welded to one end of the battery cell group 401, and the negative nickel sheet 203 and the series nickel sheets 204 are welded to the battery cell. At the other end of group 1 401, the positive nickel sheet 205 and the plurality of series-connected nickel sheets 206 are welded to one end of the battery cell group 2 402, the negative nickel sheet 207 and the plurality of series-connected nickel sheets 208 are welded to the other end of the battery cell group 2 402, the negative nickel sheet 1 203 is electrically connected to the positive nickel sheet 2 205 through the protection board assembly, and the positive nickel sheet 1 201 and the negative nickel sheet 2 207 are electrically connected to the plug head 1 through the protection board assembly; The working principle of the above technical solution is as follows: the battery cell group 401 is inserted into the battery cell bracket 3, the positive nickel sheet 201 and the multiple series-connected nickel sheets 202 are welded at one end of the battery cell group 401, the negative nickel sheet 203 and the multiple series-connected nickel sheets 204 are welded at the other end of the battery cell group 401, the multiple series-connected nickel sheets 202 and the multiple series-connected nickel sheets 204 are used to connect the multiple batteries constituting the battery cell group 401 in series, the positive nickel sheet 201 is the positive electrode of the battery cell group 401, and the negative nickel sheet 203 is the negative electrode of the battery cell group 401; Insert the second battery cell group 402 into the second battery cell bracket 7, the positive nickel sheet 205 and the plurality of series-connected nickel sheets 206 are welded to one end of the second battery cell group 402, the negative nickel sheet 207 and the plurality of series-connected nickel sheets 208 are welded to the other end of the second battery cell group 402, the plurality of series-connected nickel sheets 206 and the plurality of series-connected nickel sheets 208 are used to connect the plurality of batteries constituting the second battery cell group 402 in series, the positive nickel sheet 205 is the positive electrode of the second battery cell group 402, and the negative nickel sheet 207 is the negative electrode of the second battery cell group 402; The negative nickel sheet 1 203 is electrically connected to the positive nickel sheet 2 205 through the protection board assembly, and then the battery cell group 1 401 and the battery cell group 2 402 are electrically connected in series. The positive nickel sheet 1 201 and the negative nickel sheet 2 207 are both electrically connected to the plug head 1 through the protection board assembly, and the electrical equipment is powered by the plug head 1, which has the advantages of concentrated energy and high output power.

[0022] Embodiment 4 like Figure 1-Figure 14As shown, the insulating component includes an EVA auxiliary bracket 6, a PC sheet 5 is provided between the EVA auxiliary bracket 6 and the negative nickel sheet 1 203, and a PC sheet 5 is provided between the EVA auxiliary bracket 6 and the positive nickel sheet 205; The working principle of the above technical solution is as follows: the PC sheet 5 is made of polycarbonate and has a good insulating effect, which can prevent the contact between multiple series-connected nickel sheets 204 and multiple series-connected nickel sheets 3 206 to cause a battery short circuit. The EVA auxiliary bracket 6 is made of ethylene-vinyl acetate copolymer and has a certain elasticity, which can prevent the battery cell group 1 401 and the battery cell group 2 402 from colliding in the case of vibration and has a certain shock-absorbing effect.

[0023] Embodiment 5 like Figure 1-Figure 14 As shown, the battery support 1 3 includes a frame 1 301, which is fixed to the lower end of the protection plate assembly by a locking screw 9, a plurality of battery plugs 1 302 are arranged in the frame 1 301, and the battery group 1 401 is plugged into the battery plug 1 302, and an insertion rod 303 and a buckle 2 304 are arranged at the end of the frame 1 301; The battery support 2 7 includes a frame 2 701, which is fixed to the lower end of the protection plate assembly by a locking screw 9, and a plurality of battery plugs 2 702 are arranged in the frame 2 701, and the battery group 2 402 is plugged into the battery plugs 2 702. A connecting plug 703 and a card slot 704 are arranged at the end of the frame 2 701, and the plug rod 303 is plugged into the connecting plug 703, and the buckle 2 304 is clamped in the card slot 704; The working principle of the above technical solution is as follows: the battery cell group 1 401 includes a plurality of battery cells, which are respectively plugged into a plurality of battery cell plug-in tubes 1 302; the battery cell group 2 402 also includes a plurality of battery cells, which are respectively plugged into a plurality of battery cell plug-in tubes 2 702; the positive nickel sheet 2 205 and a plurality of series-connected nickel sheets 3 206 are welded to one end of the battery cell group 2 402; the negative nickel sheet 1 203 and a plurality of series-connected nickel sheets 2 204 are welded to the other end of the battery cell group 1 401, thereby completing the assembly of the first battery cell assembly; the positive nickel sheet 2 205 and a plurality of series-connected nickel sheets 3 206 are welded to one end of the battery cell group 2 402; the negative nickel sheet 2 207 and a plurality of series-connected nickel sheets 4 208 are welded to the other end of the battery cell group 2 402, thereby completing the assembly of the second battery cell assembly; The assembly of the battery cell components is to place the assembled first battery cell component and the second battery cell component in the same line, place the insulating component between the first battery cell component and the second battery cell component, connect the insertion rod 303 on the first battery cell component with the connecting plug 703 on the second battery cell component, and snap the buckle 2 304 on the first battery cell component into the slot 704 on the second battery cell component to complete the preliminary installation between the first battery cell component and the second battery cell component, and then fix the first battery cell component and the second battery cell component to the lower end of the protection plate assembly by the locking plate screw 9, so as to further increase the stability between the first battery cell component, the second battery cell component and the protection plate assembly, and prevent the first battery cell component and the second battery cell component from loosening after long-term use.

[0024] Embodiment 6 like Figure 1-Figure 14 As shown, the battery core insert tube 1 302 includes an insert tube 3021, the insert tube 3021 is fixed in the frame 1 301, and four adjusting screws 3022 are threadedly connected to the end of the insert tube 3021. The adjusting screw 3022 is fixedly connected to one end of a limit rod 3023, and the other end of the limit rod 3023 is slidably matched in a vertical groove 3025 at the end of an elastic metal sheet 3024, and the elastic metal sheet 3024 slides in an oblique groove 3026 inside the insert tube 3021; The working principle of the above technical solution is: the battery cell in the battery cell group 1 401 is inserted into the insertion tube 3021, and the battery cell squeezes the four elastic metal sheets 3024 to expand outward, and the four elastic metal sheets 3024 clamp the battery cell. By providing the elastic metal sheet 3024, cells of different thicknesses and sizes can be clamped in the insert tube 3021, and the adaptability is strong; when vibration occurs, the elastic metal sheet 3024 can be deformed, which has a certain shock-absorbing effect, effectively protecting the cell and preventing it from being damaged by vibration; the elastic metal sheet 3024 can maintain a certain gap between the cell and the insert tube 3021, so that the cell has heat dissipation space to prevent its temperature from being too high; After being used for a period of time, the elastic metal sheet 3024 will lose a certain elasticity and the clamping force on the battery cell will be weakened. Use a screwdriver or other tool to turn the adjusting screw 3022 to move the adjusting screw 3022 into the insert tube 3021. The adjusting screw 3022 drives the elastic metal sheet 3024 to slide in the inclined groove 3026 through the limiting rod 3023. Due to the action of the inclined groove 3026, the four elastic metal sheets 3024 are driven to move together, and the limiting rod 3023 slides with the vertical groove 3025. After the four elastic metal sheets 3024 move together, the clamping force on the battery cell is increased, thereby extending the service life of the battery cell insert tube 302. In addition, the adjusting screw 3022 is set at one end of the insert tube 3021, and has the function of an indicator to indicate the insertion direction of the battery cell.

[0025] Embodiment 7 like Figure 1-Figure 14 As shown, the protection plate assembly includes a protection plate 8, the plug head 1 is welded on the protection plate 8, the frame 1 301 and the frame 2 701 are fixed to the lower end of the protection plate 8 by locking screws 9, and a power supply adjustment assembly is provided between the protection plate 8 and the upper shell 12, and the power supply adjustment assembly includes a base frame 17, the base frame 17 is fixed on the protection plate 8, and a power supply adjustment slider 18 is slidably connected in a slide groove 54 provided at the lower end of the base frame 17, and a positive metal sheet 19 and a negative metal sheet 20 are fixed in the power supply adjustment slider 18, a positive terminal 1 21, a positive terminal 22 and a positive terminal 3 23 are provided on one side of the slide groove 54, and a negative terminal 1 24, a negative terminal 25 and a negative terminal 3 26 are provided on the other side of the slide groove 54. In the initial state, the middle part of the positive terminal 1 21 is clamped in the positive metal sheet 19, and the negative terminal 1 24 is clamped in the negative metal sheet 20; The positive terminal 1 21 and the positive terminal 2 22 are both electrically connected to the positive nickel sheet 1 201 through the wire 1 27, the positive terminal 3 23 is electrically connected to the positive nickel sheet 2 205 through the wire 2 28, the negative terminal 1 24 and the negative terminal 3 26 are both electrically connected to the negative nickel sheet 2 207 through the wire 3 29, and the negative terminal 2 25 is electrically connected to the negative nickel sheet 1 203 through the wire 4 30. The base frame 17 is fixed with a metal strip 1 45 and a metal strip 2 46 in parallel. The upper end of the metal sheet 19 is slidably connected to the metal strip 2 46, the upper end of the negative metal sheet 20 is slidably connected to the metal strip 1 45, the metal strip 1 45 is electrically connected to the plug head 1 through the wire 9 47, the metal strip 2 46 is electrically connected to the plug head 1 through the wire 10 48, and a rotating rod 31 is rotatably connected to the bottom frame 17, one end of the rotating rod 31 is slidably connected to the power supply adjustment slider 18, and the other end of the rotating rod 31 is slidably connected to the charging assembly, and the charging assembly is arranged on the bottom frame 17; The charging assembly includes a charging adjustment slider 32, which slides in a slide groove 55 provided at the lower end of the base frame 17. A positive metal sheet 33 and a negative metal sheet 34 are fixed in the charging adjustment slider 32. A positive terminal 4 35, a positive terminal 5 36 and a positive terminal 6 37 are provided on one side of the slide groove 55, and a negative terminal 4 38, a negative terminal 5 39 and a negative terminal 6 40 are provided on the other side of the slide groove 55. In the initial state, the middle part of the positive terminal 4 35 is clamped in the positive metal sheet 33, and the negative metal sheet 34 is clamped in the negative metal sheet 34. The positive terminal 4 35 and the positive terminal 6 37 are both electrically connected to the positive nickel sheet 201 through a wire 6 42. The positive terminal 5 36 is electrically connected to the positive nickel sheet 2 205 through the wire 5 41, the negative terminal 4 38 and the negative terminal 5 39 are both electrically connected to the negative nickel sheet 2 207 through the wire 7 43, the negative terminal 6 40 is electrically connected to the negative nickel sheet 1 203 through the wire 8 44, and the metal strip 3 49 and the metal strip 4 50 are fixed in parallel on the chassis 17, the upper end of the positive metal sheet 2 33 is slidably connected to the metal strip 3 49, the upper end of the negative metal sheet 2 34 is slidably connected to the metal strip 4 50, the metal strip 3 49 is electrically connected to the charging socket 53 through the wire 11 51, the metal strip 4 50 is electrically connected to the charging socket 53 through the wire 12 52, and the charging socket 53 is fixed on the chassis 17; The base frame 17 is buckled with a cover plate 15, and a slide button 14 is plugged into the power supply adjustment slider 18. The slide button 14 slides on the cover plate 15. The cover plate 15 is provided with three groups of identification lines 16. The upper end of the charging socket 53 is located on the cover plate 15. Two long holes are provided on the upper shell 12, and the slide button 14 and the charging socket 53 can be operated respectively through the two long holes. The working principle of the above technical solution is as follows: in the initial state, the positive metal sheet 19 on the power supply adjustment slider 18 is connected to the positive nickel sheet 201 through the positive terminal 21 and the wire 27, and the negative metal sheet 20 on the power supply adjustment slider 18 is connected to the negative nickel sheet 207 through the negative terminal 24 and the wire 3 29. Since the negative nickel sheet 203 and the positive nickel sheet 205 are electrically connected through the protection plate 8, when the plug head 1 is connected to the power supply device, the battery group 1 401 and the battery group 2 402 are connected in series for power supply; the positive metal sheet 2 33 on the charging adjustment slider 32 is connected to the positive nickel sheet 207 through the negative terminal 24 and the wire 3 29. The positive terminal 4 35 and the wire 6 42 are connected to the positive nickel sheet 1 201, and the negative metal sheet 2 34 on the charging adjustment slider 32 is connected to the negative nickel sheet 2 207 through the negative terminal 4 38 and the wire 7 43. The external power supply can charge the battery group 1 401 and the battery group 2 40 connected in series by plugging into the charging socket 53. The battery group 1 401 and the battery group 2 40 are powered in series, which has the advantage of longer power supply time. However, like traditional rechargeable batteries, they can only be powered or charged separately, and cannot be powered and charged at the same time, resulting in that the power supply device cannot be used when the special-shaped battery structure is charged; Push the slide button 14, the slide button 14 slides on the cover plate 15, and drives the power supply adjustment slider 18 to slide in the slide groove 54 to the middle position of the slide groove 54, the positive metal sheet 19 is separated from the positive terminal 21, and the negative metal sheet 20 is separated from the negative terminal 24. After the power supply adjustment slider 18 moves into position in the slide groove 54, the positive metal sheet 19 is clamped with the positive terminal 22, and the negative metal sheet 20 is clamped with the negative terminal 25. The positive metal sheet 19 on the power supply adjustment slider 18 is connected to the positive nickel sheet 201 through the positive terminal 22 and the wire 27, and the negative metal sheet 20 on the power supply adjustment slider 18 is connected to the negative nickel sheet 203 through the negative terminal 25 and the wire 430. When the plug head 1 is connected to the power supply device, power is supplied separately through the battery pack 401; while the power supply adjustment slider 18 slides in the slide groove 54, the power supply adjustment slider 18 drives the rotating rod 3 1 rotates with the bottom frame 17, the rotating rod 31 drives the charging adjustment slider 32 to slide to the middle position of the second slide groove 55, the positive metal sheet 2 33 is separated from the positive terminal 4 35, and the negative metal sheet 2 34 is separated from the negative terminal 4 38. After the charging adjustment slider 32 moves into position in the second slide groove 55, the positive metal sheet 2 33 is engaged with the positive terminal 5 36, the negative metal sheet 2 34 is engaged with the negative terminal 5 39, and the positive metal sheet 2 on the charging adjustment slider 32 is engaged. 33 is connected to the positive nickel sheet 205 through the positive terminal 5 36 and the wire 5 41, and the negative metal sheet 2 34 on the charging adjustment slider 32 is connected to the negative nickel sheet 207 through the negative terminal 5 39 and the wire 7 43. The external power supply can charge the battery group 2 402 separately by plugging it into the charging socket 53, that is, the battery group 1 401 supplies power to the power supply device, and the external power supply charges the battery group 2 402, and there will be no conflict between charging and discharging; When the power in the battery pack 1 401 is used up and the battery pack 2 402 is fully charged, the slider 14 is pushed downward continuously so that the power supply adjustment slider 18 slides down to the bottom in the slide slot 1 54, the positive metal sheet 1 19 is separated from the positive terminal 2 22, and the negative metal sheet 1 20 is separated from the negative terminal 2 25. After the power supply adjustment slider 18 moves into position in the slide slot 1 54, the positive metal sheet 1 19 is engaged with the positive terminal 3 23, and the negative metal sheet 1 20 is engaged with the negative terminal 3 26. The positive metal sheet 19 on the power supply adjustment slider 18 is connected to the positive nickel sheet through the positive terminal 3 23 and the wire 2 28. The negative metal sheet 120 on the power supply adjustment slider 18 is connected to the negative nickel sheet 207 through the negative terminal 3 26 and the wire 3 29. When the plug head 1 is connected to the power supply device, the fully charged battery pack 402 is used to supply power separately. When the power supply adjustment slider 18 slides in the slide groove 54, the power supply adjustment slider 18 drives the middle part of the rotating rod 31 and the bottom frame 17 to rotate. The rotating rod 31 drives the charging adjustment slider 32 to slide to the upper end of the slide groove 55. The positive metal sheet 23 is separated from the positive terminal 536, and the negative metal sheet 234 is separated from the negative terminal 53. 9 separation, after the charging adjustment slider 32 moves into position in the second slide slot 55, the positive metal sheet 2 33 is engaged with the positive terminal 6 37, the negative metal sheet 2 34 is engaged with the negative terminal 6 40, the positive metal sheet 2 33 on the charging adjustment slider 32 is connected to the positive nickel sheet 1 201 through the positive terminal 6 37 and the wire 6 42, the negative metal sheet 2 34 on the charging adjustment slider 32 is connected to the negative nickel sheet 1 203 through the negative terminal 6 40 and the wire 8 44, the external power supply can be plugged into the charging socket 53, and the exhausted battery pack 2 401 can be charged separately, by sliding up and down The slide button 14 can adjust the state of the battery group 1 401 and the battery group 2 402 being powered in series or being powered separately. In the case of series power supply, it has the advantages of concentrated energy, large output power, and long power supply time. In the case of separate power supply, the battery group 1 401 and the battery group 2 402 can be alternately powered and charged to keep the power supply device always powered. In addition, there is no need to disconnect the special-shaped battery structure from the power supply device for charging. The special-shaped battery structure and the power supply device can be kept in long connection, and the charging socket 53 is kept in long connection with the external power supply. Only the slide button 14 needs to be operated, and the operation is convenient and quick. The middle part of the positive terminal 21 is recessed into the positive metal sheet 19, which can increase the contact area between the two and prevent the two from being in virtual contact. The positive terminal 21 has a certain elasticity, so that when the power supply adjustment slider 18 moves in the slide groove 54, it can be stuck in the preset position to maintain the accuracy of movement; The positive terminal 21 and the end of the wire 27 are fixed to the slide slot 54 by a set of screws, which has a simple structure and reduces manufacturing costs. The upper end of the positive metal sheet 19 is electrically connected to the metal strip 2 46 by sliding connection, thereby reducing the direct wire connection and the occurrence of twisting and breaking of the wire; The cover plate 15 is provided with three groups of identification lines 16 , which correspond to the power supply modes respectively, so as to facilitate the operator to check and operate.

[0026] Embodiment 8 like Figure 1-Figure 14 As shown, a method for manufacturing a special-shaped battery structure is used to manufacture a special-shaped battery structure as described in any one of the above items, comprising the following steps: S1. Insert the cell group 401 into the cell holder 3, weld the nickel sheet group 2 at both ends of the cell group 401 to form a first cell assembly, insert the cell group 402 into the cell holder 7, weld the nickel sheet group 2 at both ends of the cell group 402 to form a second cell assembly; S2. The first battery cell assembly and the second battery cell assembly are fixed to the lower end of the protection plate assembly by the locking screw 9, the insulating assembly is placed between the first battery cell assembly and the second battery cell assembly, and the plug connector 1 is welded to the protection plate assembly so that the plug connector 1 is electrically connected to the nickel sheet assembly 2 through the protection plate assembly; S3. Install the first battery cell assembly, the second battery cell assembly, the insulation assembly and the protection plate assembly into the lower shell 13, install the two buckles 11 to the ends of the upper shell 12 through the two buckle covers 10, and fix the upper shell 12 to the upper end of the lower shell 13 by screws; The working principle of the above technical solution is as follows: insert the battery cell group 1 401 into the battery cell bracket 1 3, weld the nickel sheet group 2 to both ends of the battery cell group 1 401 to form a first battery cell assembly, insert the battery cell group 2 402 into the battery cell bracket 2 7, weld the nickel sheet group 2 to both ends of the battery cell group 2 402 to form a second battery cell assembly, fix the first battery cell assembly and the second battery cell assembly to the lower end of the protection plate assembly through the locking plate screws 9, place the insulating assembly between the first battery cell assembly and the second battery cell assembly, and weld the plug head 1 to the On the protection board assembly, the plug head 1 is electrically connected to the nickel sheet group 2 through the protection board assembly, the first battery cell assembly, the second battery cell assembly, the insulating assembly and the protection board assembly are installed in the lower shell 13, and the two buckles 11 are respectively installed to the two ends of the upper shell 12 through the two buckle covers 10, and the upper shell 12 is fixed to the upper end of the lower shell 13 by screws. The special-shaped battery structure after manufacturing is compact, has strong structural stability, has a certain shock absorption function, is not easy to be damaged, and has the advantages of concentrated energy and large output power.

[0027] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A special-shaped battery structure, characterized in that: The invention comprises a first battery cell assembly and a second battery cell assembly, wherein the first battery cell assembly and the second battery cell assembly are both fixed to the lower end of the protection plate assembly by means of a locking plate screw (9), an insulating assembly is provided between the first battery cell assembly and the second battery cell assembly, the first battery cell assembly and the second battery cell assembly are connected in series via a protection plate assembly circuit, a plug head (1) is welded on the protection plate assembly, and the first battery cell assembly, the second battery cell assembly, the insulating assembly and the protection plate assembly are all encapsulated in a lower shell (13) via an upper shell (12).

2. The special-shaped battery structure according to claim 1, characterized in that: Both ends of the upper shell (12) are provided with snap covers (10), and a snap one (11) is provided between the upper shell (12) and the snap cover (10), with the front end of the snap one (11) protruding from the end of the upper shell (12).

3. The special-shaped battery structure according to claim 1, characterized in that: The first battery cell assembly comprises a battery cell support (3), a battery cell group (401) is inserted into the battery cell support (3), and both ends of the battery cell group (401) are welded with nickel sheet groups (2); the second battery cell assembly comprises a battery cell support (7), a battery cell group (402) is inserted into the battery cell support (7), and both ends of the battery cell group (402) are welded with nickel sheet groups (2), and the nickel sheet group (2) is electrically connected to the plug head (1) through the protection plate assembly.

4. The special-shaped battery structure according to claim 3, characterized in that: The nickel sheet group (2) comprises a positive nickel sheet (201), a series nickel sheet (202), a negative nickel sheet (203), a series nickel sheet (204), a positive nickel sheet (205), a series nickel sheet (206), a negative nickel sheet (207) and a series nickel sheet (208). The positive nickel sheet (201) and the plurality of series nickel sheets (202) are welded to one end of the battery cell group (401), and the negative nickel sheet (203) and the plurality of series nickel sheets (204) are welded to one end of the battery cell group (401). At the other end of the battery cell group one (401), the positive nickel sheet two (205) and a plurality of series-connected nickel sheets three (206) are welded to one end of the battery cell group two (402), the negative nickel sheet two (207) and a plurality of series-connected nickel sheets four (208) are welded to the other end of the battery cell group two (402), the negative nickel sheet one (203) is electrically connected to the positive nickel sheet two (205) via a protective plate assembly, and the positive nickel sheet one (201) and the negative nickel sheet two (207) are electrically connected to the plug (1) via the protective plate assembly.

5. The special-shaped battery structure according to claim 4, characterized in that: The insulating component comprises an EVA auxiliary bracket (6), a PC sheet (5) is provided between the EVA auxiliary bracket (6) and the first negative nickel sheet (203), and a PC sheet (5) is provided between the EVA auxiliary bracket (6) and the second positive nickel sheet (205).

6. The special-shaped battery structure according to claim 5, characterized in that: The battery cell support one (3) comprises a frame one (301), the frame one (301) is fixed to the lower end of the protection plate assembly by means of a locking screw (9), a plurality of battery cell plug tubes one (302) are arranged in the frame one (301), the battery cell group one (401) is plugged into the battery cell plug tube one (302), and an insertion rod (303) and a buckle two (304) are arranged at the end of the frame one (301); The second battery cell support (7) comprises a second frame (701), the second frame (701) is fixed to the lower end of the protection plate assembly by means of a locking plate screw (9), a plurality of second battery cell plugs (702) are arranged in the second frame (701), the second battery cell group (402) is plugged into the second battery cell plugs (702), a connecting plug (703) and a slot (704) are arranged at the end of the second frame (701), the plug rod (303) is plugged into the connecting plug (703), and the second clip (304) is clipped into the slot (704).

7. The special-shaped battery structure according to claim 6, characterized in that: The battery core insert tube one (302) comprises an insert tube (3021), the insert tube (3021) is fixed in the frame one (301), the end of the insert tube (3021) is threadedly connected with four adjustment screws (3022), the adjustment screws (3022) are fixedly connected to one end of a limit rod (3023), the other end of the limit rod (3023) is slidably fitted in a vertical groove (3025) at the end of an elastic metal sheet (3024), and the elastic metal sheet (3024) slides in an oblique groove (3026) inside the insert tube (3021).

8. The special-shaped battery structure according to claim 7, characterized in that: The protection plate assembly comprises a protection plate (8), a plug head (1) welded to the protection plate (8), frame one (301) and frame two (701) are fixed to the lower end of the protection plate (8) by means of locking screws (9), a power supply adjustment assembly is provided between the protection plate (8) and the upper shell (12), the power supply adjustment assembly comprises a base frame (17), the base frame (17) is fixed to the protection plate (8), a power supply adjustment slider (18) is slidably connected in a slide groove one (54) provided at the lower end of the base frame (17), and the power supply adjustment slider A positive metal sheet (19) and a negative metal sheet (20) are fixed inside (18), a positive terminal (21), a positive terminal (22) and a positive terminal (23) are provided on one side of the slide groove (54), and a negative terminal (24), a negative terminal (25) and a negative terminal (26) are provided on the other side of the slide groove (54). In the initial state, the middle part of the positive terminal (21) is clamped in the positive metal sheet (19), and the negative terminal (24) is clamped in the negative metal sheet (20).

9. The special-shaped battery structure according to claim 8, characterized in that: The positive terminal 1 (21) and the positive terminal 2 (22) are both electrically connected to the positive nickel sheet 1 (201) via a wire 1 (27), the positive terminal 3 (23) is electrically connected to the positive nickel sheet 2 (205) via a wire 2 (28), the negative terminal 1 (24) and the negative terminal 3 (26) are both electrically connected to the negative nickel sheet 2 (207) via a wire 3 (29), the negative terminal 2 (25) is electrically connected to the negative nickel sheet 1 (203) via a wire 4 (30), and the base frame (17) is fixed with a metal strip 1 (45) and a metal strip 2 (46) in parallel. The upper end of the positive metal sheet 1 (19) is slidably connected to the metal strip 2 (46), the upper end of the negative metal sheet 1 (20) is slidably connected to the metal strip 1 (45), the metal strip 1 (45) is electrically connected to the plug head (1) through the wire 9 (47), the metal strip 2 (46) is electrically connected to the plug head (1) through the wire 10 (48), a rotating rod (31) is rotatably connected to the bottom frame (17), one end of the rotating rod (31) is slidably connected to the power supply adjustment slider (18), and the other end of the rotating rod (31) is slidably connected to the charging assembly, and the charging assembly is arranged on the bottom frame (17).

10. A method for manufacturing a special-shaped battery structure, used for manufacturing a special-shaped battery structure according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Insert the cell group 1 (401) into the cell bracket 1 (3), weld the nickel sheet group (2) to both ends of the cell group 1 (401) to form a first cell assembly, insert the cell group 2 (402) into the cell bracket 2 (7), weld the nickel sheet group (2) to both ends of the cell group 2 (402) to form a second cell assembly; S2. The first battery cell assembly and the second battery cell assembly are fixed to the lower end of the protection plate assembly by means of locking screws (9), the insulating assembly is placed between the first battery cell assembly and the second battery cell assembly, and the plug connector (1) is welded to the protection plate assembly so that the plug connector (1) is electrically connected to the nickel sheet assembly (2) through the protection plate assembly; S3. Install the first battery cell assembly, the second battery cell assembly, the insulation assembly and the protection plate assembly into the lower shell (13), install the two buckles (11) to the two ends of the upper shell (12) through the two buckle covers (10), and fix the upper shell (12) to the upper end of the lower shell (13) by screws.

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