Detachable high-thermal-conductivity-efficiency battery module heat dissipation patch

Abstract

The utility model relates to battery module heat dissipation patch related technical field discloses a detachable high heat conduction efficiency battery module heat dissipation patch, including battery box and heat dissipation fin, heat dissipation fin is formed by the heat dissipation copper plate and heat dissipation fin of one piece, and heat dissipation fin is respectively embedded in the front and back of battery box, and the side of heat dissipation copper plate far away from heat dissipation fin is pasted and sets up on battery module, cooling assembly, it includes cooling pipe, circulating pump and controller. The detachable high heat conduction efficiency battery module heat dissipation patch, through heat dissipation fin pasting and setting in the outside of battery module, can assist with the heat of battery module to export outward and carry out heat dissipation, through temperature sensor to the temperature of battery module is monitored, when monitoring temperature exceeds threshold value, control module automatic starting cooling assembly, through cooling liquid circulation flow realizes the cooling of battery module, and also can heat dissipation fin carries out heat dissipation, realizes passive + active double heat dissipation mode.

Description

Technical Field

[0001] This utility model relates to the technical field of heat dissipation patches for battery modules, specifically a detachable heat dissipation patch for battery modules with high thermal conductivity. Background Technology

[0002] A battery module heat dissipation patch is a thermal management element that is attached to the surface of the battery module cells or the gaps between the cells. Its main function is to quickly conduct the heat generated by the cells during operation, avoid local high temperature accumulation, and ensure the performance, lifespan and safety of the battery module. As disclosed in announcement number CN218731264U, a battery module heat dissipation structure relates to the field of battery heat dissipation. The structure includes: a housing containing a battery module; a power socket located on the outside of the battery module; a cover plate on the top of the housing; a heat dissipation component inside the housing for cooling the battery module; and a protective component at the bottom of the housing for impact protection. The heat dissipation component conducts heat generated by the battery module, allowing it to escape from the outside of the housing. A heat dissipation gap is provided between the battery module, the heat dissipation component, and the housing to ensure heat flow and accelerate heat dissipation within the housing, preventing the battery module from bulging due to heat. The protective component separates the housing from the vehicle floor to prevent damage to the battery module from impacts. However, existing technologies are inconvenient to disassemble and maintain, and rely solely on cooling fans and heat-conducting plates to conduct heat away. When the temperature of the heat-conducting plates is high, their ability to conduct heat outward decreases, affecting the heat dissipation efficiency of the battery module. For example, the comparative patents listed above have this problem. Therefore, this invention provides a detachable, high thermal conductivity battery module heat dissipation patch to solve the aforementioned problems. Utility Model Content

[0003] The purpose of this invention is to provide a detachable high thermal conductivity battery module heat dissipation patch to solve the problems mentioned in the background art, such as inconvenience in disassembly and maintenance, and the fact that heat is only conducted away by a cooling fan and a heat-conducting plate. When the temperature of the heat-conducting plate is high, its heat conduction capacity decreases, affecting the heat dissipation efficiency of the battery module.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a detachable high thermal conductivity battery module heat dissipation patch, comprising a battery housing and a heat dissipation fin; Also includes: The heat sink is composed of an integrally formed heat sink copper plate and heat sink fins. The heat sink is respectively embedded on the front and rear sides of the battery box, and the side of the heat sink copper plate away from the heat sink fins is attached to the battery module. At the same time, the heat sink fins are located on the side of the heat sink copper plate away from the battery box. The copper heat sink plate has a fixing slot on the side away from the heat sink fins. The cooling assembly includes a cooling pipe, a circulation pump, and a controller. The cooling pipe is snapped into a fixed slot and coolant flows through it. The inner side of the cooling pipe is fitted to the battery module.

[0005] As a preferred embodiment of this utility model, a battery module is installed in the cavity inside the battery box, and mounting slots adapted to heat sinks are provided on the front and rear sides of the battery box.

[0006] Using the above technical solution, a battery module is installed in the cavity inside the battery box. The front and rear sides of the battery box are provided with mounting slots that are compatible with the heat sink, which facilitates the installation and removal of the heat sink.

[0007] As a preferred embodiment of this utility model, a heat dissipation copper plate is fitted into the mounting groove, and a sealing gasket is provided between the heat dissipation copper plate and the outer side of the battery box.

[0008] Using the above technical solution, a heat dissipation copper plate is installed by snapping it into the mounting slot, and a sealing gasket is provided between the heat dissipation copper plate and the outer side of the battery box, which improves the tightness and sealing of the installation between the heat dissipation fins and the battery box.

[0009] As a preferred technical solution of this utility model, the heat dissipation copper plate and the battery box are limited by fastening bolts that pass through the four corners of the heat dissipation copper plate. The outer side of the fastening bolt is fitted with an anti-slip washer, and the anti-slip washer is fitted between the end of the fastening bolt and the heat dissipation copper plate.

[0010] Using the above technical solution, the heat dissipation copper plate is limited to the battery box by fastening bolts that pass through the four corners of the heat dissipation copper plate. The outer side of the fastening bolt is fitted with an anti-slip washer, and the anti-slip washer is fitted between the end of the fastening bolt and the heat dissipation copper plate, which facilitates the disassembly, assembly and positioning of the heat dissipation copper plate.

[0011] As a preferred embodiment of this utility model, a temperature sensor is installed inside the battery box, and the detection end of the temperature sensor extends to contact the battery module.

[0012] By adopting the above technical solution, a temperature sensor is installed inside the battery box, and the detection end of the temperature sensor extends to contact the battery module, which can detect the temperature of the battery module.

[0013] As a preferred technical solution of this utility model, a coolant tank, a circulation pump and a controller are sequentially arranged in the passage of the cooling pipe. The cooling pipe passes through the side of the battery box and is connected to the coolant tank, circulation pump and controller installed outside the battery box to form a cooling circuit. The coolant tank contains an appropriate amount of coolant, and the upper end of the coolant tank is provided with an inlet with a sealing plug. The outside of the coolant tank is also provided with a transparent observation window and a scale.

[0014] Using the above technical solution, a coolant tank, a circulation pump and a controller are sequentially arranged in the passage of the cooling pipe. The cooling pipe passes through the side of the battery box and is connected to the coolant tank, circulation pump and controller installed outside the battery box to form a cooling circuit. The coolant tank contains an appropriate amount of coolant, and the upper end of the coolant tank is provided with an inlet with a sealing plug. The outside of the coolant tank is also provided with a transparent observation window and scale marks, which can cool down the temperature of the heat sink in time and improve the heat dissipation efficiency of the battery module.

[0015] As a preferred embodiment of this invention, the circulating pump, controller, and temperature sensor are all electrically connected to an external control module.

[0016] By adopting the above technical solution, the circulating pump, controller and temperature sensor are all electrically connected to the external control module, which can automatically cool the components and reduce the temperature when the battery module temperature rises.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This detachable high thermal conductivity battery module heat dissipation patch, by attaching the heat sink to the outside of the battery module, can help to dissipate the heat of the battery module to the outside. The temperature sensor monitors the temperature of the battery module. When the temperature exceeds the threshold, the control module automatically starts the cooling component to cool the battery module through the circulation of coolant. At the same time, it can also dissipate heat from the heat sink, realizing a passive + active dual heat dissipation mode, improving the heat dissipation efficiency of the battery module, and ensuring the normal and stable operation of the battery module. 1. It is equipped with heat sinks, which are embedded in the mounting slots. The heat sinks are positioned and disassembled between the heat sinks and the battery box by fastening bolts, making subsequent maintenance operations more convenient. The heat sinks can dissipate the heat of the battery module to the outside. 2. A cooling assembly is provided, which includes cooling pipes, a coolant tank, a circulating pump, and a controller. Through the setting of the cooling assembly, the battery module can be circulated and cooled down to ensure the normal and stable operation of the battery. The cooling assembly, together with the heat sink, forms an active + passive dual heat dissipation structure, which can achieve better and more efficient heat dissipation. 3. Equipped with a temperature sensor, a circulation pump, and a controller, the circulation pump, controller, and temperature sensor are all electrically connected to an external control module. When the temperature sensor detects an increase in the battery module temperature, the control module automatically starts the circulation pump and controller to realize the flow of coolant and automatically perform active heat dissipation. Attached Figure Description

[0018] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the present invention from the right side view; Figure 2 This is a schematic diagram of the overall structure of the present invention from the left side. Figure 3 This is an exploded structural diagram of the battery box, heat dissipation copper plate, and heat dissipation fins of this utility model. Figure 4 This is an exploded structural diagram of the heat dissipation copper plate, fixing slot, and cooling pipe of this utility model; Figure 5 This is a schematic diagram of the overall structure of the cooling component of this utility model.

[0019] In the diagram: 1. Battery housing; 2. Mounting slot; 3. Heat dissipation copper plate; 4. Heat dissipation fins; 5. Sealing gasket; 6. Fastening bolt; 7. Anti-slip washer; 8. Temperature sensor; 9. Fixing slot; 10. Cooling pipe; 11. Coolant tank; 12. Filling port; 13. Transparent observation window; 14. Graduation mark; 15. Circulation pump; 16. Controller. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-5 The present invention provides the following technical solution: To address the problems in existing technologies, such as inconvenience in disassembly and maintenance, and the fact that heat is only conducted away by a cooling fan and heat-conducting fins, and that the heat-conducting fins' heat dissipation capacity decreases when their temperature is high, thus affecting the heat dissipation efficiency of the battery module, this solution provides a detachable high thermal conductivity battery module heat dissipation patch. The patch includes a battery housing 1 and a heat dissipation fin. The heat dissipation fin consists of an integrally formed copper heat dissipation plate 3 and heat dissipation fins 4, which are respectively embedded on the front and rear sides of the battery housing 1. The side of the copper heat dissipation plate 3 away from the heat dissipation fins 4 is attached to the battery module, while the heat dissipation fins 4 are located on the side of the copper heat dissipation plate 3 away from the battery housing 1. A fixing slot 9 is provided on the side of the copper heat dissipation plate 3 away from the heat dissipation fins 4. A cooling assembly includes a cooling pipe 10, a circulating pump 15, and a controller 16. The cooling pipe 10 is fitted into the fixing slot 9, and coolant flows through the cooling pipe 10. The inner side of the cooling pipe 10 is attached to the battery module. like Figure 1 , Figure 2 , Figure 3 As shown, mounting slots 2 are provided on both the front and rear sides of the battery box 1. First, the heat dissipation copper plate 3 is snapped into the mounting slot 2, and a sealing gasket 5 is attached between the heat dissipation copper plate 3 and the outer side of the battery box 1. Then, fastening bolts 6 are inserted through the four corners of the heat dissipation copper plate 3 to position the heat dissipation copper plate 3 and the battery box 1, which facilitates the disassembly and maintenance of the heat dissipation fins. At the same time, anti-slip washers 7 are fitted on the outer side of the fastening bolts 6, and the anti-slip washers 7 are attached between the end of the fastening bolts 6 and the heat dissipation copper plate 3 to improve the fastening of the fastening bolts 6. The side of the heat dissipation copper plate 3 away from the heat dissipation fins 4 extends into the cavity inside the battery box 1 and is attached to the battery module installed in the cavity inside the battery box 1. The heat of the battery module can be conducted outward through the cooling pipe 10 and then dissipated outward by the heat dissipation fins 4 to achieve heat dissipation of the battery module. Combination Figure 4 and Figure 5As shown, a coolant tank 11, a circulation pump 15, and a controller 16 are sequentially arranged along the passage of the cooling pipe 10. The cooling pipe 10 passes through the side of the battery housing 1 and connects with the coolant tank 11, circulation pump 15, and controller 16 installed outside the battery housing 1 to form a cooling circuit. The coolant tank 11 contains an appropriate amount of coolant. A filling port 12 with a sealing plug is provided at the upper end of the coolant tank 11. A transparent observation window 13 and a scale 14 are also provided on the outside of the coolant tank 11. Through the transparent observation window 13 and the scale 14, the coolant capacity inside the coolant tank 11 can be observed. When the coolant level decreases, coolant can be added to the coolant tank 11 through the filling port 12. In addition, a temperature sensor 8 is installed inside the battery housing 1, and the detection end of the temperature sensor 8 extends to contact the battery module. The circulation pump 15, the controller 16, and the temperature sensor 8 are all electrically connected to the external control module. When the temperature sensor 8 detects that the temperature of the battery module exceeds the threshold, the control module controls the circulation pump 15 and the controller 16 installed on the outside of the battery housing 1 to start, and draw the coolant from the coolant tank 11 to flow in the cooling pipe 10 to form a cooling circuit. The cooling pipe 10 is set in close contact with the battery module, and together with the heat sink, it forms active + passive heat dissipation, which greatly improves the heat dissipation efficiency of the battery module. Moreover, the cooling pipe 10 can also carry away the heat from the heat sink, which also has a cooling effect on the heat sink.

[0022] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0023] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A detachable high thermal conductivity battery module heat dissipation patch, comprising a battery housing (1) and a heat dissipation fin; Its features are, Also includes: The heat sink is composed of an integrally formed heat sink copper plate (3) and heat sink fins (4). The heat sink is respectively embedded on the front and rear sides of the battery box (1), and the side of the heat sink copper plate (3) away from the heat sink fins (4) is attached to the battery module. Meanwhile, the heat sink fins (4) are located on the side of the heat sink copper plate (3) away from the battery box (1). Among them, a fixing slot (9) is provided on the side of the heat dissipation copper plate (3) away from the heat dissipation fins (4). The cooling assembly includes a cooling pipe (10), a circulation pump (15), and a controller (16). The cooling pipe (10) is fitted into a fixed slot (9), and coolant flows in the cooling pipe (10). The inner side of the cooling pipe (10) is fitted with the battery module.

2. The detachable high thermal conductivity battery module heat dissipation patch according to claim 1, characterized in that: A battery module is installed in the cavity inside the battery box (1), and mounting slots (2) adapted to the heat sink are provided on the front and rear sides of the battery box (1).

3. The detachable high thermal conductivity battery module heat dissipation patch according to claim 2, characterized in that: A heat dissipation copper plate (3) is fitted into the mounting groove (2), and a sealing gasket (5) is attached between the heat dissipation copper plate (3) and the outer side of the battery box (1).

4. A detachable high thermal conductivity battery module heat dissipation patch according to claim 3, characterized in that: The heat dissipation copper plate (3) and the battery box (1) are limited by fastening bolts (6) that pass through the four corners of the heat dissipation copper plate (3). Anti-slip washers (7) are sleeved on the outside of the fastening bolts (6), and the anti-slip washers (7) are fitted between the end of the fastening bolts (6) and the heat dissipation copper plate (3).

5. A detachable high thermal conductivity battery module heat dissipation patch according to claim 1, characterized in that: A temperature sensor (8) is installed inside the battery housing (1), and the detection end of the temperature sensor (8) extends to contact the battery module.

6. A detachable high thermal conductivity battery module heat dissipation patch according to claim 1, characterized in that: The cooling pipe (10) is provided with a coolant tank (11), a circulation pump (15) and a controller (16) in sequence. The cooling pipe (10) passes through the side of the battery box (1) and is connected to the coolant tank (11), circulation pump (15) and controller (16) installed outside the battery box (1) to form a cooling circuit. The coolant tank (11) contains a suitable amount of coolant. The upper end of the coolant tank (11) is provided with an addition port (12) with a sealing plug. The outside of the coolant tank (11) is also provided with a transparent observation window (13) and a scale (14).

7. A detachable high thermal conductivity battery module heat dissipation patch according to claim 6, characterized in that: The circulating pump (15), controller (16) and temperature sensor (8) are all electrically connected to an external control module.

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