Single-power hot-pressing restraining formation capacity all-in-one machine
By designing a single-powered hot press binding capacity integrated machine and integrating heating, pressurization, chemical formation and testing functions, the problem of insufficient detection functions of traditional lithium battery chemical formation equipment is solved, and the battery performance and life are improved.
Patent Information
- Application Number
- CN202422348454.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-09-25
AI Technical Summary
Traditional lithium battery synthesis equipment does not have detection functions and has low integration, which affects battery performance and life.
A single-power hot press binding capacity integrated machine is designed to integrate the external frame of the fixture, laminate assembly, push plate assembly, charging assembly, push plate drive member and pressure sensor to achieve the integration of heating, pressurization, composition and testing functions.
It realizes multifunctional integration in the battery formation process, improves the integration of battery performance and life detection, and improves the comprehensive performance of chemical equipment.
Smart Images

Figure CN223245676U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery manufacturing equipment, in particular to a single-power hot-pressing restraint formation capacity integrated machine. Background Art
[0002] With the rapid development of new energy technologies, lithium batteries, as important energy storage components, have been widely used in electric vehicles, smartphones, wearable devices, and other fields. However, the performance and safety of lithium batteries are closely related to their production process, especially the formation stage, which has a crucial impact on battery performance and lifespan.
[0003] The traditional lithium battery formation process refers to the initial charge and discharge process. The battery cells often need to be charged and discharged at specific temperatures and pressures to activate the chemical reactions within the battery, thereby increasing its capacity and cycle life. However, traditional formation equipment lacks detection capabilities and has a low level of integration. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a single-power hot-pressing restraint forming capacity all-in-one machine.
[0005] The technical solution adopted by the utility model to solve its technical problems is:
[0006] A single-power hot-pressing restraint forming capacity integrated machine, comprising a fixture outer frame, a layer plate assembly, a push plate assembly, a charging assembly, a push plate driving component and a pressure sensor;
[0007] The outer frame of the fixture includes a left end vertical plate assembly, a right end vertical plate assembly, multiple connecting rods, multiple screw rods, and multiple guide rods;
[0008] The left end vertical plate assembly is arranged opposite to the right end vertical plate assembly; the connecting rod, the screw rod and the guide rod are parallel; one end of the connecting rod is connected to the left end vertical plate assembly, and the other end is connected to the screw rod; one end of the screw rod is rotatably connected to the left end vertical plate assembly, and the other end is connected to the right end vertical plate assembly;
[0009] The push plate assembly includes a first push plate provided on one side of the left end vertical plate assembly, and both left and right sides of the first push plate are threadedly connected to the screw rod;
[0010] The layer plate assembly is located between the first push plate and the right end vertical plate assembly, and both sides are slidably arranged on the guide rod;
[0011] The output end of the push plate driving member is connected to the screw rod; the push plate driving member drives the screw rod to rotate, so as to drive the first push plate to move toward the right end vertical plate assembly to compress the layer plate assembly;
[0012] The layer plate assembly includes a plurality of layer plate bodies, and battery positions for accommodating batteries are provided between adjacent layer plate bodies;
[0013] The pressure sensor is provided between the right end vertical plate assembly and the layer plate assembly to detect the pressure applied to the layer plate assembly;
[0014] The layer plate assembly includes a heating assembly for heating the batteries in the battery position; the charging assembly is arranged on one side of the layer plate assembly and is used to charge the batteries in the battery position.
[0015] As described above, the single-power hot pressing and restraining capacity forming integrated machine is provided with a position sensor on the left end vertical plate assembly or the right end vertical plate assembly for detecting whether the battery exceeds the battery position range and whether the battery position is equipped with a battery.
[0016] As described above, the single-power hot-pressing restraint formation capacity integrated machine, the charging component includes slide rails arranged on the left and right sides of the layer plate body and a slider sliding on the slide rails, a PCB board is fixed on the slider, a first terminal is electrically connected to the PCB board, the PCB board is electrically connected to an external power supply, and the PCB board is used to adjust the voltage and current output by the first terminal; correspondingly, a second terminal is provided on the battery; the slider slides to make the PCB board, the first terminal and the second terminal contact to form the battery.
[0017] As described above, in the single-power hot-pressing and restraining capacity-forming integrated machine, the charging assembly further includes a first drive group provided on the left-end vertical plate assembly and a second drive group provided on the right-end vertical plate assembly.
[0018] As described above, the single-power hot pressing and restraining integrated capacity forming machine is provided with a guide member on the layer plate body for guiding the battery into the battery position, and the guide member is narrow at the top and wide at the bottom;
[0019] The guide member includes a cone-shaped portion arranged at the top and an elastic protrusion arranged between the cone-shaped portion and the layer plate body.
[0020] The single-power hot-pressing and restraining integrated capacity forming machine as described above further includes a spring plate assembly, wherein the spring plate assembly is arranged between the layer plate assembly and the right end vertical plate assembly;
[0021] The spring plate assembly includes a first spring plate, a second spring plate and a plurality of springs. The springs are located between the first spring plate and the second spring plate. Both sides of the first spring plate and the second spring plate slide on the screw rod.
[0022] As described above, the single-power hot-pressing restraint capacity-forming integrated machine, the layer plate assembly also includes silicone pads arranged on both sides of the layer plate body, and anti-collision parts arranged on either side of the layer plate body, the thickness of the anti-collision parts is greater than the thickness of the battery, and the anti-collision parts are used to prevent adjacent layer plate bodies from colliding.
[0023] As described above, the single-power hot pressing restraint forming capacity integrated machine, the push plate drive component includes a motor, a reducer, and a gear box; the motor is arranged on the left end vertical plate assembly, the power output shaft of the motor is connected to the input end of the reducer, and the gear box is provided with a driving gear and a driven gear meshing with the driving gear, the output end of the reducer is connected to the driving gear of the gear box, and the screw rod is connected to the driven gear of the gear box.
[0024] As described above, the single-power hot-pressing restraint capacity-forming integrated machine, the layer plate assembly also includes a battery support, the battery support is provided between two adjacent layer plate bodies, and the two ends of the battery support are respectively fixedly connected to the adjacent layer plate bodies.
[0025] As described above, in the single-power hot pressing and restraining capacity forming integrated machine, the heating component is arranged below the layer plate body, and the heating component includes a heating tube and a temperature probe, both of which are connected to the layer plate body. The heating tube is used to heat the battery, and the temperature probe is used to detect the heating temperature of the battery.
[0026] The beneficial effects of the utility model are:
[0027] Place the battery on the battery position of the layer assembly, and the push plate drive member drives the screw to rotate. The rotation of the screw drives the first push plate to move toward the right end vertical plate assembly, squeezing the layer assembly between the first push plate and the right end vertical plate assembly, and pressurizing the battery on the battery position. At the same time, the heating assembly heats the battery, and the charging assembly charges and forms the battery. The pressure sensor detects the pressure on the layer assembly in real time. This device integrates heating, pressurizing, forming, testing and other functions into the same equipment, realizing multi-purpose use of one machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of a single-power hot-pressing restraint forming capacity integrated machine;
[0030] Figure 2 This is a schematic diagram of the assembly relationship of some shelf components, guide rods and lifting rods;
[0031] Figure 3 This is one of the structural diagrams of some single-power hot-pressing restraint forming capacity integrated machines;
[0032] Figure 4 is a structural diagram of the spring plate assembly;
[0033] Figure 5 It is a schematic diagram of the structure of some laminate components;
[0034] Figure 6 This is a schematic diagram of the installation relationship between some layer components and batteries;
[0035] Figure 7 This is the second structural diagram of a partial single-power hot-pressing restraint forming capacity integrated machine (connecting rod and screw rod omitted);
[0036] Figure 8 This is the third structural diagram of a partial single-power hot-pressing restraint forming capacity integrated machine (connecting rod and screw rod omitted);
[0037] Figure 9 It is a schematic diagram of the structure of the slider in the charging assembly;
[0038] Figure 10 This is the fourth structural diagram of a partial single-power hot-pressing restraint forming capacity integrated machine;
[0039] Figure 11 It is a cross-sectional view of the gearbox;
[0040] The reference numerals are as follows:
[0041] Clamp outer frame 1, left end vertical plate assembly 11, right end vertical plate assembly 12, connecting rod 13, screw rod 14, guide rod 16, spring plate assembly 2, first spring plate 21, second spring plate 22, spring 23, layer plate assembly 3, battery position 30, layer plate body 31, silicone pad 33, guide member 34, conical portion 341, elastic protrusion 342, anti-collision member 35, battery support sheet 37, push plate assembly 4, first push plate 411, heat insulation plate 412, charging assembly 5. Battery 50, slide rail 51, slider 52, first terminal 53, second terminal 54, first drive group 55, second drive group 56, lifting connecting rod 57, push plate drive 6, screw bearing seat 111, reducer 112, motor 114, gear box 113, screw nut 116, lifting screw 117, driving gear 118, driven gear 119, pressure sensor 7, position sensor 8, heating assembly 9, heating tube 91, temperature probe 92. DETAILED DESCRIPTION
[0042] The following will clearly and completely describe the concept, specific structure and technical effects of the present invention in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by technical personnel in this field without creative work are within the scope of protection of the present invention. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the present invention can be combined interactively without conflicting with each other.
[0043] Reference Figure 1 , a single-power hot pressing restraint forming capacity integrated machine, including a fixture outer frame 1, a layer plate assembly 3, a push plate assembly 4, a charging assembly 5, a push plate driving member 6 and a pressure sensor 7;
[0044] The fixture outer frame 1 includes a left end upright plate assembly 11, a right end upright plate assembly 12, a plurality of connecting rods 13, a plurality of screw rods 14, and a plurality of guide rods 16;
[0045] The left end vertical plate assembly 11 is arranged opposite to the right end vertical plate assembly 12; the connecting rod 13, the screw rod 14 and the guide rod 16 are parallel; one end of the connecting rod 13 is connected to the left end vertical plate assembly 11, and the other end is connected to the screw rod 14; one end of the screw rod 14 is rotatably connected to the left end vertical plate assembly 11, and the other end is connected to the right end vertical plate assembly 12;
[0046] The push plate assembly 4 includes a first push plate 411 provided on one side of the left end vertical plate assembly 11. Both left and right sides of the first push plate 411 are threadedly matched with the screw rod 14 and slide on the screw rod 14.
[0047] The layer plate assembly 3 is located between the first push plate 411 and the right end vertical plate assembly 12, and both sides are slidably arranged on the guide rod 16;
[0048] The output end of the push plate driving member 6 is connected to the screw rod 14; the push plate driving member 6 drives the screw rod 14 to rotate, so as to drive the first push plate 411 to move toward the right end vertical plate assembly 12, thereby compressing the layer plate assembly 3;
[0049] Reference Figures 2 to 4 The layer plate assembly 3 includes a plurality of layer plate bodies 31 , and battery positions 30 for accommodating batteries 50 are provided between adjacent layer plate bodies 31 ;
[0050] The pressure sensor 7 is provided between the right end vertical plate assembly 12 and the layer plate assembly 3 to detect the pressure applied to the layer plate assembly 3;
[0051] Reference Figure 5 The layer plate assembly 3 includes a heating assembly 9, which is used to heat the battery in the battery position 30; the charging assembly 5 is arranged on one side of the layer plate assembly 3, and is used to charge the battery in the battery position 30.
[0052] During use, a battery 50 is placed on the battery position 30 of the layer assembly 3, and the push plate driving member 6 drives the screw 14 to rotate. The rotation of the screw 14 drives the first push plate 411 to move toward the right end vertical plate assembly 12, squeezing the layer assembly 3 between the first push plate 411 and the right end vertical plate assembly 12, and pressurizing the battery 50 on the battery position 30. At the same time, the heating assembly 9 heats the battery 50, and the charging assembly 5 charges and forms the battery 30. The pressure sensor 7 detects the pressure on the layer assembly 3 in real time. This device integrates heating, pressurizing, forming, testing and other functions into the same device, realizing multi-purpose use of one machine.
[0053] Specifically, the push plate assembly 4 further includes a heat insulation plate 412 , and the heat insulation plate 412 is provided between the first push plate 411 and the layer plate assembly 3 .
[0054] Specifically, the screw rod 14 is a ball screw rod.
[0055] Specifically, there may be two battery positions 30 between adjacent layer plate bodies 31 and the battery positions 30 may be arranged side by side, that is, two batteries 50 may be placed between two layer plate bodies 31 .
[0056] Specifically, there are four connecting rods 13, which are respectively connected to the four corners of the left end vertical plate assembly 11 and the right end vertical plate assembly 12, and the layer assembly 3 slides in the space enclosed by the four connecting rods 13;
[0057] There are four screw rods 14, which are arranged between the two connecting rods 13 and are respectively connected to the four corners of the first push plate 411 in a rolling manner, so as to ensure that the pressure applied by the first push plate 411 to the layer assembly 3 is uniform; there are two guide rods 16, which are located on both sides of the layer assembly 3 to provide stable support for the movement of the layer body 31 on the layer assembly 3.
[0058] In one embodiment, a position sensor 8 is provided on the left end vertical plate assembly 11 or the right end vertical plate assembly 12, and the position sensor 8 is used to detect whether the battery exceeds the range of the battery position 30 and whether the battery position 30 is equipped with a battery; correspondingly, when there are two battery positions 30 between adjacent layer bodies 31, the position sensor 8 is two groups.
[0059] Reference Figure 5 、 Figure 6 、 Figure 9 In one embodiment, the charging component 5 includes a slide rail 51 provided on the left and right sides of the layer body 31 and a slider 52 sliding on the slide rail 51, a PCB board 53 is fixed on the slider 52, the PCB board 53 is electrically connected to a first terminal, the PCB board is electrically connected to an external power supply, and the PCB board 53 is used to adjust the voltage and current output by the first terminal; correspondingly, a second terminal 54 is provided on the battery 50; the slider 52 slides to make the PCB board 53, the first terminal and the second terminal 54 contact to charge the battery 50.
[0060] Reference Figure 7 Specifically, the charging assembly 5 also includes a first drive group 55 provided on the left end vertical plate assembly 11 and a second drive group 56 provided on the right end vertical plate assembly 12. One end of the first drive group 55 and the second drive group 56 is connected to a lifting link 57, and the slider 52 is installed on the lifting link 57. The first drive group 55 drives one end of the lifting link 57 to rise and fall, and one end of the lifting link 57 slides on the right end vertical plate assembly 12 under the transmission of the second drive group 56, so that the slider 52 slides on the slide rail 51.
[0061] Reference Figure 7 More specifically, the first drive group 55 and the second drive group 56 can be a drive cylinder or a screw transmission structure. In one embodiment, the first drive group 55 and the second drive group 56 have the same structure. Taking the first drive group 55 as an example, a screw bearing seat 111 is provided on the left end vertical plate assembly 11, and a lifting screw 117 is slidably installed in the screw bearing seat 111. One end of the lifting link 57 is fixedly connected to a screw nut 116, which slides on the lifting screw 117. The lifting screw 117 rotates to drive the lifting link 57 to rise and fall, thereby connecting the first terminal with the second terminal.
[0062] Reference Figure 2 、 Figure 7 More specifically, the slider 52 is provided with a plurality of pulleys 521, and the pulleys 521 are respectively arranged above and below the lifting link 57; while the push plate driving member 6 drives the first push plate 411 to apply pressure to the layer assembly 3, the slider 52 can slide on the lifting link 57 through the action of the pulley 521.
[0063] Reference Figure 5 Specifically, the layer plate body 31 is provided with a guide member 34 for guiding the battery into the battery position 30, and the guide member 34 is narrow at the top and wide at the bottom;
[0064] The guide member 34 includes a cone-shaped portion 341 at the top and an elastic protrusion 342 between the cone-shaped portion 341 and the layer plate body 31 .
[0065] When the battery 50 is placed in the battery position 30 , the cone-shaped portion 341 can guide the placement direction of the battery position 30 . When the layer plate assembly 3 is pressurized, the elastic protrusion 342 has a certain amount of expansion and contraction to avoid crushing the battery 50 .
[0066] Reference Figure 3 、 Figure 4 In one embodiment, it further includes a spring plate assembly 2, wherein the spring plate assembly 2 is provided between the layer plate assembly 3 and the right end vertical plate assembly 12;
[0067] The spring plate assembly 2 includes a first spring plate 21, a second spring plate 22 and a plurality of springs 23. The springs 23 are located between the first spring plate 21 and the second spring plate 22, and are located in the middle of the first spring plate 21 and the second spring plate 22. Both sides of the first spring plate 21 and the second spring plate 22 slide on the screw rod 14.
[0068] Reference Figure 5 In one embodiment, the layer plate assembly 3 also includes a silicone pad 33 provided on both sides of the layer plate body 31, and an anti-collision member 35 provided on either side of the layer plate body 31, the thickness of the anti-collision member 35 is greater than the thickness of the battery, and the anti-collision member 35 is used to prevent the adjacent layer plate bodies 31 from colliding.
[0069] Reference Figure 10 、 Figure 11 In one embodiment, the push plate driving member 6 includes a motor 114, a reducer 112, and a gear box 113; the motor 114 is arranged on the left end vertical plate assembly 11, and the power output shaft of the motor 114 is connected to the input end of the reducer 112. The gear box 113 is provided with a driving gear 118 and a driven gear 119 meshing with the driving gear. The output end of the reducer 112 is connected to the driving gear 118 of the gear box 113, and the screw rod 14 is connected to the driven gear 119 of the gear box 113.
[0070] Reference Figure 2 In one embodiment, the layer plate assembly 3 further includes a battery support 37 , the battery support 37 is provided between two adjacent layer plate bodies 31 , and both ends of the battery support 37 are fixedly connected to the adjacent layer plate bodies 31 .
[0071] Reference Figure 5 、 Figure 6In one embodiment, the heating component 9 is arranged below the layer plate body 31. The heating component 9 includes a heating tube 91 and a temperature probe 92. The heating tube 91 and the temperature probe 92 are both connected to the layer plate body 31 to heat the battery and detect the heating temperature of the battery.
[0072] The above is a specific description of the preferred implementation of the present invention, but the invention of the present invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.
Claims
1. A single-power hot-pressing and restraining forming and capacity-integrated machine, characterized by: It comprises a fixture outer frame (1), a layer plate assembly (3), a push plate assembly (4), a charging assembly (5), a push plate driving member (6) and a pressure sensor (7); The clamp outer frame (1) comprises a left end upright plate assembly (11), a right end upright plate assembly (12), a plurality of connecting rods (13), a plurality of screw rods (14), and a plurality of guide rods (16); The left end vertical plate assembly (11) and the right end vertical plate assembly (12) are arranged opposite to each other; the connecting rod (13), the screw rod (14) and the guide rod (16) are parallel to each other; one end of the connecting rod (13) is connected to the left end vertical plate assembly (11), and the other end is connected to the screw rod (14); one end of the screw rod (14) is rotatably connected to the left end vertical plate assembly (11), and the other end is connected to the right end vertical plate assembly (12); The push plate assembly (4) includes a first push plate (411) provided on one side of the left end vertical plate assembly (11), and both left and right sides of the first push plate (411) are threadedly connected to the screw rod (14); The layer plate assembly (3) is located between the first push plate (411) and the right end vertical plate assembly (12), and both sides are slidably arranged on the guide rod (16); The output end of the push plate driving member (6) is connected to the screw rod (14); the push plate driving member (6) drives the screw rod (14) to rotate, so as to drive the first push plate (411) to move toward the right end vertical plate assembly (12), thereby compressing the layer plate assembly (3); The layer plate assembly (3) includes a plurality of layer plate bodies (31), and battery positions (30) for accommodating batteries are provided between adjacent layer plate bodies (31); The pressure sensor (7) is provided between the right end vertical plate assembly (12) and the layer plate assembly (3) and is used to detect the pressure applied to the layer plate assembly (3); The layer plate assembly (3) includes a heating assembly (9) for heating the battery in the battery position (30); the charging assembly (5) is arranged on one side of the layer plate assembly (3) and is used to charge the battery in the battery position (30).
2. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 1, characterized in that: The left end vertical plate assembly (11) or the right end vertical plate assembly (12) is provided with a position sensor (8) for detecting whether the battery exceeds the range of the battery position (30) and whether the battery position (30) is equipped with a battery.
3. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 1, characterized in that: The charging assembly (5) comprises slide rails (51) provided on the left and right sides of the layer plate body (31) and a slider (52) sliding on the slide rails (51); a PCB (53) is fixed on the slider (52); a first terminal is electrically connected to the PCB (53); the PCB (53) is electrically connected to an external power supply; the PCB (53) is used to adjust the voltage and current output by the first terminal; a second terminal (54) is provided on the battery; the slider (52) slides to make the PCB (53), the first terminal and the second terminal (54) contact each other, thereby charging the battery.
4. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 3, characterized in that: The charging assembly (5) further comprises a first drive group (55) provided on the left end vertical plate assembly (11) and a second drive group (56) provided on the right end vertical plate assembly (12), wherein one end of the first drive group (55) and the second drive group (56) are connected to a lifting connecting rod (57).
5. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 3, characterized in that: The layer plate body (31) is provided with a guide member (34) for guiding the battery into the battery position (30), and the guide member (34) is narrow at the top and wide at the bottom; The guide member (34) comprises a conical portion (341) provided at the top end and an elastic protrusion (342) provided between the conical portion (341) and the layer plate body (31).
6. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 1, characterized in that: It also includes a spring plate assembly (2), wherein the spring plate assembly (2) is arranged between the layer plate assembly (3) and the right end vertical plate assembly (12); The spring plate assembly (2) comprises a first spring plate (21), a second spring plate (22) and a plurality of springs (23), wherein the springs (23) are located between the first spring plate (21) and the second spring plate (22), and both sides of the first spring plate (21) and the second spring plate (22) slide on the screw rod (14).
7. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 1, characterized in that: The layer plate assembly (3) further includes silicone pads (33) provided on both sides of the layer plate body (31), and an anti-collision member (35) provided on either side of the layer plate body (31), wherein the thickness of the anti-collision member (35) is greater than the thickness of the battery, and the anti-collision member (35) is used to prevent adjacent layer plate bodies (31) from colliding.
8. The single-power hot-pressing and restraining forming and capacity-integrated machine according to claim 1, characterized in that: The push plate driving member (6) comprises a motor (114), a reducer (112), and a gear box (113); the motor (114) is arranged on the left end vertical plate assembly (11); the power output shaft of the motor (114) is connected to the input end of the reducer (112); a driving gear and a driven gear meshing with the driving gear are arranged in the gear box (113); the output end of the reducer (112) is connected to the driving gear of the gear box (113); and the screw rod (14) is connected to the driven gear of the gear box (113).
9. The single-power hot-pressing and restraining forming and capacity-integrated machine according to any one of claims 1 to 8, characterized in that: The layer plate assembly (3) further includes a battery support (37), the battery support (37) being arranged between two adjacent layer plate bodies (31), and the two ends of the battery support (37) being fixedly connected to the adjacent layer plate bodies (31) respectively.
10. The single-power hot-pressing and restraining forming and capacity-integrated machine according to any one of claims 1 to 8, characterized in that: The heating assembly (9) is arranged below the layer plate body (31), and the heating assembly (9) comprises a heating tube (91) and a temperature probe (92). The heating tube (91) and the temperature probe (92) are both connected to the layer plate body (31). The heating tube (91) is used to heat the battery, and the temperature probe (92) is used to detect the heating temperature of the battery.