New energy battery adhesive tape

Abstract

The utility model provides a new energy battery adhesive tape, which relates to the technical field of battery adhesive tapes, and comprises an inner heat conduction part, a fitting part and a protective layer, the inner heat conduction part is positioned between the fitting part and the protective layer, the top of the inner heat conduction part fixedly penetrates through the bottom of the protective layer, and the bottom of the inner heat conduction part fixedly penetrates through the top of the fitting part. The adhesive tape is adhered to the surface of the battery, and the bottoms of the plurality of heat conduction blocks are in contact with the surface of the battery, so that when the battery generates heat during working, heat can be transferred into the heat conduction pad through the heat conduction blocks, then heat in the heat conduction pad is transferred into external air through the heat dissipation fin blocks, and heat dissipation of the battery can be facilitated through the structure; and potential safety hazards during use of the battery are reduced to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of battery tapes, in particular to a new energy battery tape. Background Art

[0002] New energy battery tape is an adhesive tape product used to protect new energy batteries. It is mainly used to fix the positive and negative electrode sheets, separators and electrolytes of the battery, and bond them tightly together to prevent them from loosening or moving, reduce vibration and collision inside the battery, and improve battery stability and safety. In addition, new energy battery tape also has good electrical insulation properties, which can prevent direct conduction of current between the internal and external components of the battery, prevent short circuits inside the battery, and reduce the risk of accidents.

[0003] When the battery is working, the temperature inside the battery will rise due to the flow of current. Wrapping the battery with tape will to a certain extent hinder the transfer of temperature inside the battery to the outside world, so it will pose certain safety risks.

[0004] Therefore, it is necessary to provide a new energy battery tape to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a new energy battery tape.

[0006] The utility model provides a new energy battery tape comprising an inner heat conducting portion, a bonding portion and a protective layer, wherein the inner heat conducting portion is located between the bonding portion and the protective layer, the top of the inner heat conducting portion is fixedly passed through the bottom of the protective layer, and the bottom of the inner heat conducting portion is fixedly passed through the top of the bonding portion;

[0007] The inner heat conducting part includes a thermal pad, a plurality of thermal blocks and a plurality of heat dissipation fins, the plurality of thermal blocks are located at the bottom of the thermal pad, the plurality of thermal blocks are arranged in a matrix, the bottom ends of the plurality of thermal blocks are fixed through the bottom of the inner wall of the fitting part, the bottom of the inner wall of the fitting part is fixedly connected to the bottom of the thermal pad, the tops of the plurality of thermal blocks are provided with a plurality of connecting blocks, the plurality of connecting blocks are arranged in a T-shape, the bottom of the thermal pad and the corresponding positions of the thermal blocks are respectively provided with connecting grooves matching the connecting blocks, the connecting blocks are engaged with the connecting grooves, the bottoms of the plurality of heat dissipation fins are respectively provided with two plug-ins, the bottoms of the plurality of heat dissipation fins are fixedly connected to the top of the thermal pad, the plug-ins are located inside the thermal pad, the tops of the plurality of heat dissipation fins are fixed through the bottom of the protective layer, and the bottom of the protective layer is fixedly connected to the top of the thermal pad.

[0008] Preferably, the bonding portion includes an adhesive layer and a temperature-resistant layer, the adhesive layer is arranged at the bottom of the temperature-resistant layer, and the bottom of the inner wall of the temperature-resistant layer is fixedly connected to the bottom of the thermal pad.

[0009] Preferably, the protective layer includes a release film layer, a flame retardant layer and an antistatic layer, the top of the antistatic layer is fixedly connected to the bottom of the flame retardant layer, and the top of the flame retardant layer is fixedly connected to the bottom of the release film layer.

[0010] Preferably, two grooves are provided on the top of the heat dissipation fin block, the heat dissipation fin block is made of alumina material, and the insert block is made of the same material as the heat dissipation fin block.

[0011] Preferably, the thermal pad is thermal silicone grease.

[0012] Preferably, the heat conducting block is made of carbon fiber material, and the connecting block is made of the same material as the heat conducting block.

[0013] Compared with related technologies, the new energy battery tape provided by the present invention has the following beneficial effects:

[0014] 1. Stick the tape on the surface of the battery and make the bottom of multiple heat-conducting blocks contact the surface of the battery. When the battery generates heat during operation, the heat can be transferred to the thermal pad through the heat-conducting blocks. Then, the heat in the thermal pad is transferred to the outside air through the heat dissipation fins. The above structure can facilitate heat dissipation of the battery and reduce safety hazards during battery use to a certain extent.

[0015] 2. By inserting the connecting block on the top of the heat-conducting block into the connecting groove at the bottom of the thermal pad, not only can the heat-conducting block be fixed more stably, but the contact area with the thermal pad can be increased through the connecting block, thereby increasing the efficiency of heat transfer between the heat-conducting block and the thermal pad. The plug-in block provided at the bottom of the heat-dissipating fin block can also increase the contact surface with the thermal pad, and the groove opened on the top of the heat-dissipating fin block is used to increase the contact area with the air. Through the above structure, the heat transfer efficiency of the internal heat-conducting part can be increased, thereby improving the heat dissipation efficiency to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the local structure of a new energy battery tape provided by this utility model Figure 1 ;

[0017] Figure 2 A schematic diagram of the local structure of a new energy battery tape provided by this utility model Figure 2 ;

[0018] Figure 3 A schematic diagram of the cross-sectional structure of a new energy battery tape provided by the utility model Figure 1 ;

[0019] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of shown;

[0020] Figure 5 A schematic diagram of the cross-sectional structure of a new energy battery tape provided by the utility model Figure 2 ;

[0021] Figure 6 for Figure 5 The enlarged structural diagram of B is shown;

[0022] Figure 7 for Figure 3 Schematic diagram of the local structure of the inner heat conduction part shown.

[0023] Numbers in the figure: 11, thermal pad; 12, thermal block; 13, heat dissipation fin block; 14, connecting block; 15, plug-in block; 21, adhesive layer; 22, temperature-resistant layer; 31, release film layer; 32, flame retardant layer; 33, antistatic layer; 41, groove. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0025] Please refer to Figure 1-Figure 7 ,in, Figure 1 A schematic diagram of the local structure of a new energy battery tape provided by this utility model Figure 1 ; Figure 2 A schematic diagram of the local structure of a new energy battery tape provided by this utility model Figure 2 ; Figure 3 A schematic diagram of the cross-sectional structure of a new energy battery tape provided by the utility model Figure 1 ; Figure 4 for Figure 3 A schematic diagram of the enlarged structure of shown; Figure 5 A schematic diagram of the cross-sectional structure of a new energy battery tape provided by the utility model Figure 2 ; Figure 6 for Figure 5 The enlarged structural diagram of B is shown; Figure 7 for Figure 3 Schematic diagram of the local structure of the inner heat conduction part shown.

[0026] In the specific implementation process, Figure 1-Figure 7 As shown, a new energy battery tape includes an inner heat conducting portion, a bonding portion and a protective layer. The inner heat conducting portion is located between the bonding portion and the protective layer. The top of the inner heat conducting portion is fixed through the bottom of the protective layer, and the bottom of the inner heat conducting portion is fixed through the top of the bonding portion.

[0027] The inner heat conduction portion includes a thermal pad 11, a plurality of thermal blocks 12 and a plurality of heat dissipation fins 13. The plurality of thermal blocks 12 are located at the bottom of the thermal pad 11, and the plurality of thermal blocks 12 are arranged in a matrix. The bottom ends of the plurality of thermal blocks 12 are fixedly penetrated through the bottom of the inner wall of the fitting portion, and the bottom of the inner wall of the fitting portion is fixedly connected to the bottom of the thermal pad 11. The tops of the plurality of thermal blocks 12 are provided with a plurality of connecting blocks 14, and the plurality of connecting blocks 14 are all T-shaped. The positions corresponding to the bottom of the thermal pad 11 and the thermal blocks 12 are respectively provided with connecting grooves matching the connecting blocks 14. The connecting blocks 14 are engaged with the connecting grooves. By 4 is inserted into the connecting groove at the bottom of the thermal pad 11, which not only makes the thermal block 12 more stably fixed, but also increases the contact area with the thermal pad 11 through the connecting block 14, thereby increasing the efficiency of heat transfer between the thermal block 12 and the thermal pad 11. Two plug-in blocks 15 are respectively provided at the bottom of the multiple heat dissipating fins 13. The bottoms of the multiple heat dissipating fins 13 are fixedly connected to the top of the thermal pad 11. The plug-in blocks 15 are located inside the thermal pad 11. The plug-in blocks 15 can also increase the contact area with the thermal pad 11. The tops of the multiple heat dissipating fins 13 are fixedly penetrated through the bottom of the protective layer, and the bottom of the protective layer is fixedly connected to the top of the thermal pad 11.

[0028] The bonding part includes an adhesive layer 21 and a heat-resistant layer 22. The adhesive layer 21 is arranged at the bottom of the heat-resistant layer 22. The bottom of the inner wall of the heat-resistant layer 22 is fixedly connected to the bottom of the thermal pad 11. The adhesive layer 21 can be used to stick the tape on the battery surface, and the heat-resistant layer 22 can be used to prevent the tape from being deformed due to excessive temperature.

[0029] The protective layer includes a release film layer 31, a flame retardant layer 32, and an antistatic layer 33. The top of the antistatic layer 33 is fixedly connected to the bottom of the flame retardant layer 32, and the top of the flame retardant layer 32 is fixedly connected to the bottom of the release film layer 31. The release film layer 31 is used to facilitate the removal of the tape, the flame retardant layer 32 is used to prevent the battery from accidentally catching fire and block the fire, and the antistatic layer 33 is used to isolate static electricity.

[0030] Two grooves 41 are provided on the top of the heat sink 13 to increase the contact area with the air. The heat sink 13 is made of alumina material, the insert 15 is made of the same material as the heat sink 13, the thermal pad 11 is thermal grease, the thermal block 12 is made of carbon fiber material, and the connecting block 14 is made of the same material as the thermal block 12. Alumina, thermal silicone and carbon fiber all have good thermal conductivity and insulation, and avoid electrical connection with the battery during heat transfer.

[0031] The working principle provided by the present invention is as follows: the tape is adhered to the surface of the battery through the adhesive layer 21, and the bottoms of multiple heat-conducting blocks 12 are in contact with the surface of the battery, so that when the battery generates heat during operation, the heat can be transferred to the thermal pad 11 through the heat-conducting blocks 12, and by inserting the connecting block 14 on the top of the heat-conducting block 12 into the connecting groove at the bottom of the thermal pad 11, not only can the heat-conducting block 12 be fixed more stably, but the contact area with the thermal pad 11 can also be increased through the connecting block 14, thereby increasing the efficiency of heat transfer between the heat-conducting block 12 and the thermal pad 11, and then the heat in the thermal pad 11 is transferred to the outside air through the heat dissipation fin block 13, and the plug block 15 arranged at the bottom of the heat dissipation fin block 13 can also increase the contact surface between the heat-conducting pad 11, and the groove 41 opened at the top of the heat dissipation fin block 13 is used to increase the contact area with the air.

[0032] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0033] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A new energy battery tape, characterized in that: It includes an inner heat conducting portion, a bonding portion and a protective layer, wherein the inner heat conducting portion is located between the bonding portion and the protective layer, the top of the inner heat conducting portion is fixedly passed through the bottom of the protective layer, and the bottom of the inner heat conducting portion is fixedly passed through the top of the bonding portion; The internal heat conduction part includes a heat conduction pad (11), a plurality of heat conduction blocks (12) and a plurality of heat dissipation fin blocks (13), the plurality of heat conduction blocks (12) are all located at the bottom of the heat conduction pad (11), the plurality of heat conduction blocks (12) are arranged in a matrix, the bottom ends of the plurality of heat conduction blocks (12) are all fixedly passed through the bottom of the inner wall of the fitting part, the bottom of the inner wall of the fitting part is fixedly connected to the bottom of the heat conduction pad (11), the tops of the plurality of heat conduction blocks (12) are all provided with a plurality of connection blocks (14), the plurality of connection blocks (14) are all arranged in a T-shape, and the bottom of the heat conduction pad (11) is fixedly connected to the bottom of the heat conduction pad (11). Connecting grooves matching the connecting blocks (14) are respectively provided at positions corresponding to the heat-conducting blocks (12), and the connecting blocks (14) are engaged with the connecting grooves. Two plug-in blocks (15) are respectively provided at the bottoms of the plurality of heat-dissipating fin blocks (13), and the bottoms of the plurality of heat-dissipating fin blocks (13) are fixedly connected to the tops of the heat-conducting pads (11). The plug-in blocks (15) are located inside the heat-conducting pads (11), and the tops of the plurality of heat-dissipating fin blocks (13) are fixedly passed through the bottom of the protective layer, and the bottom of the protective layer is fixedly connected to the top of the heat-conducting pads (11).

2. A new energy battery tape according to claim 1, characterized in that: The bonding portion comprises an adhesive layer (21) and a heat-resistant layer (22), the adhesive layer (21) is arranged at the bottom of the heat-resistant layer (22), and the bottom of the inner wall of the heat-resistant layer (22) is fixedly connected to the bottom of the thermal pad (11).

3. A new energy battery tape according to claim 2, characterized in that: The protective layer comprises a release film layer (31), a flame retardant layer (32), and an antistatic layer (33); the top of the antistatic layer (33) is fixedly connected to the bottom of the flame retardant layer (32); and the top of the flame retardant layer (32) is fixedly connected to the bottom of the release film layer (31).

4. A new energy battery tape according to claim 3, characterized in that: Two grooves (41) are provided on the top of the heat dissipation fin block (13); the heat dissipation fin block (13) is made of an alumina material; and the insert block (15) is made of the same material as the heat dissipation fin block (13).

5. The new energy battery tape according to claim 4, characterized in that: The thermal pad (11) is thermally conductive silicone grease.

6. The new energy battery tape according to claim 5, characterized in that: The heat conducting block (12) is made of carbon fiber material, and the connecting block (14) is made of the same material as the heat conducting block (12).

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