Liquid cooling plate for new energy automobile battery pack

Abstract

The utility model provides a liquid cooling plate for a new energy automobile battery pack, and relates to the technical field of liquid cooling plates, the liquid cooling plate comprises a telescopic clamping frame, the new energy automobile battery pack is arranged in the telescopic clamping frame, one end of a liquid cooling plate main body is fixedly provided with a plurality of pressure detection sheets in a linear array, and the other end of the liquid cooling plate main body is provided with a plurality of pressure sensors. The pressure detection piece is in signal connection with a main control board, and the main control board is in signal connection with a fastening push frame. Compared with the prior art, the liquid cooling plate has the advantages that the fixing structure is arranged on the periphery of the liquid cooling plate, the elastic clamping structure is arranged at one end of the fixing structure, battery packs of different sizes can be clamped and fixed through the elastic clamping structure, and the tightness between the battery packs and the liquid cooling plate is enhanced through the clamping effect of the clamping structure; the liquid cooling plate can be used for liquid cooling fixation of batteries of various specifications, and meanwhile, the fastening adjusting structure is arranged at one end of the fixing structure, so that the stability of tight fit between the liquid cooling plate and the battery pack is ensured, and the heat dissipation stability of the battery pack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling plates, in particular to a liquid cooling plate for a battery pack of a new energy vehicle. Background Art

[0002] The working current of the new energy vehicle battery pack is large and the heat generated is large. At the same time, since the new energy vehicle battery pack is in a relatively closed environment, the temperature of the battery will rise. Therefore, a liquid cooling plate is usually used to dissipate the heat of the new energy vehicle battery pack.

[0003] CN202320607995.2 introduces a liquid cooling plate for a new energy vehicle battery pack. The liquid cooling plate is composed of an A plate and a B plate, wherein the A plate has smooth upper and lower end surfaces, and the upper end surface of the B plate protrudes upward to form a plurality of flow channel walls, and a flow channel is formed between two adjacent flow channel walls, and a liquid inlet and a liquid outlet are connected to the flow channel. The A plate cover is arranged on the upper end surface of the B plate and is sealed and connected to the area in contact with the flow channel wall, and the A plate and the B plate jointly form a closed flow channel space, the overall structure is simple, and the flow channel design is reasonable. Liquid nitrogen forms a reflux path with the flow channel through the liquid inlet and the liquid outlet to achieve heat dissipation of the battery pack. However, the liquid cooling plate is not convenient for fastening the battery pack, and a gap is easily formed between the liquid cooling plate and the battery holder, resulting in a reduction in heat dissipation efficiency. Utility Model Content

[0004] To this end, the purpose of the utility model is to propose a liquid cooling plate for a new energy vehicle battery pack to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a liquid cooling plate for a new energy vehicle battery pack, comprising a liquid cooling plate main body, a liquid cooling circulation groove is opened inside the liquid cooling plate main body, and both ends of the liquid cooling circulation groove are connected to a liquid inlet and a liquid outlet, a liquid cooling fixing frame is fixedly installed on the surface of the liquid cooling plate main body, and a telescopic clamping frame is fixedly installed at the four corners of the liquid cooling fixing frame, and a new energy vehicle battery pack is arranged inside the telescopic clamping frame, and a plurality of linear array pressure detection plates are fixedly installed at one end of the liquid cooling plate main body, and the pressure detection plate signal is connected to the main control board, and the main control board signal is connected to the fastening push frame, and a protective rubber pad is fixedly installed on one end of the fastening push frame.

[0006] Preferably, in any of the above schemes, a detection groove matched with the pressure detection sheet is provided at one end of the liquid cooling plate body, and a liquid guide tube is fixedly installed at one end of the liquid cooling plate body.

[0007] The above technical solution is adopted: the cooling liquid is transported to the inside of the liquid cooling circulation groove through the liquid conduit, so that the liquid circulates inside the liquid cooling circulation groove, the circulating cooling liquid is used to keep the liquid cooling plate in a low temperature state, and the heat transfer between the liquid cooling plate and the new energy vehicle battery pack is used to liquid-cool the new energy vehicle battery pack.

[0008] Preferably, any of the above schemes has a fixing groove adapted to the liquid cooling plate body formed inside the liquid cooling fixing frame, and connecting grooves adapted to the telescopic clamping frame formed at the four corners of the liquid cooling fixing frame.

[0009] The above technical solution is adopted: the liquid cooling plate body is fixed by a liquid cooling fixing frame, and the liquid cooling fixing frame can be installed to the corresponding position of the new energy vehicle, so as to realize the fixed installation of the liquid cooling plate and the new energy vehicle and ensure the stability of the installation of the liquid cooling plate.

[0010] Preferably, from any of the above schemes, the telescopic clamping frame comprises a telescopic sleeve, a clamping spring and a clamping card, the telescopic sleeve is fixedly installed inside the liquid cooling fixed frame, the clamping spring is fixedly installed inside the telescopic sleeve, and the clamping card is fixedly installed on one end of the clamping spring.

[0011] The above technical solution is adopted: the clamping card is stretched according to the size of the new energy vehicle battery pack, so that the clamping card can move inside the telescopic sleeve to stretch the clamping spring, and the new energy vehicle battery pack is placed between the clamping card and the liquid cooling fixing frame, so that the clamping card clamps the new energy vehicle battery pack under the action of the clamping spring to ensure the stability of the installation of the new energy vehicle battery pack.

[0012] Preferably, any of the above schemes is that the new energy vehicle battery pack is located between the liquid cooling plate body and the clamping card, and the new energy vehicle battery pack is fitted with one end of the pressure detection plate.

[0013] By adopting the above technical solution, when the new energy vehicle battery pack is subjected to pressure from the clamping plate, pressure is generated between the new energy vehicle battery pack and the pressure detection plate, and the stability of the installation of the new energy vehicle battery pack can be judged according to the pressure value.

[0014] Preferably, any of the above schemes includes a pressure sensor and a pressure plate, the pressure sensor is fixedly mounted inside the liquid cooling plate body, and the pressure plate is fixedly mounted on the detection end of the pressure sensor.

[0015] The above technical solution is adopted: the new energy vehicle battery pack squeezes the pressure plate, the pressure sensor detects the pressure on the pressure plate, and controls the tightening push frame according to the pressure value.

[0016] Preferably, any of the above schemes comprises a fastening push frame comprising a fastening cylinder and a fastening plate, wherein the fastening cylinder is fixedly mounted inside the liquid cooling fixed frame, a fastening plate is fixedly mounted on one end of the fastening cylinder, and the protective rubber pad is fixedly mounted on one end of the fastening plate.

[0017] The above technical solution is adopted: the fastening cylinder is controlled to push the fastening plate to move, and the fastening plate pushes the protective rubber pad to move, the protective rubber pad and the interior of the new energy vehicle are fit and fixed, the fastening plate pushes the frame of the new energy vehicle, and the reaction force is used to make the fastening cylinder push the liquid cooling fixing frame to drive the liquid cooling plate to move, thereby ensuring the stable installation of the new energy vehicle battery pack.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. A fixed structure is set around the liquid cooling plate, and an elastic clamping structure is set at one end of the fixed structure. The elastic clamping structure can be used to clamp and fix battery packs of different sizes, and the tightness between the battery pack and the liquid cooling plate is enhanced by the clamping effect of the clamping structure. Batteries of various specifications can be liquid-cooled and fixed. At the same time, a fastening adjustment structure is set at one end of the fixed structure to ensure the stability of the close fit between the liquid cooling plate and the battery pack and improve the stability of the heat dissipation of the battery pack.

[0020] 2. A pressure detection structure is set inside the liquid cooling plate to detect the tightness between the liquid cooling plate and the battery pack, and the tightening adjustment structure is controlled according to the detection result to ensure the stability of the tightness between the liquid cooling plate and the battery pack.

[0021] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0023] Figure 1 It is a structural schematic diagram according to an embodiment of the utility model;

[0024] Figure 2 It is a schematic diagram of a local structure according to an embodiment of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of a pressure detection sheet according to an embodiment of the utility model;

[0026] Figure 4 It is a structural schematic diagram of fastening the push frame according to an embodiment of the utility model;

[0027] Figure 5 It is a schematic diagram of the cross-sectional structure of the liquid cooling plate body according to an embodiment of the utility model;

[0028] Figure 6 It is a schematic cross-sectional structure diagram of a telescopic clamping frame according to an embodiment of the utility model;

[0029] Among them: 1-liquid cooling plate body, 2-liquid cooling circulation groove, 3-liquid cooling fixing frame, 4-telescopic clamping frame, 41-telescopic sleeve, 42-clamping spring, 43-clamping card, 5-new energy vehicle battery pack, 6-pressure detection plate, 61-pressure sensor, 62-pressure plate, 7-fastening push frame, 71-fastening cylinder, 72-fastening plate, 8-protective rubber pad. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0031] like Figure 1-6 As shown, a liquid cooling plate for a new energy vehicle battery pack according to an embodiment of the utility model comprises a liquid cooling plate main body 1, a liquid cooling circulation groove 2 is provided inside the liquid cooling plate main body 1, both ends of the liquid cooling circulation groove 2 are connected with a liquid inlet and a liquid outlet, a liquid cooling fixing frame 3 is fixedly installed on the surface of the liquid cooling plate main body 1, a telescopic clamping frame 4 is fixedly installed at the four corners of the liquid cooling fixing frame 3, a new energy vehicle battery pack 5 is arranged inside the telescopic clamping frame 4, a plurality of linear array pressure detection pieces 6 are fixedly installed at one end of the liquid cooling plate main body 1, the pressure detection piece 6 signal is connected to the main control board, the main control board signal is connected to the fastening push frame 7, and a protective rubber pad 8 is fixedly installed at one end of the fastening push frame 7.

[0032] Preferably, any of the above schemes has one end of the liquid cooling plate body 1 provided with a detection groove matched with the pressure detection sheet 6 , and one end of the liquid cooling plate body 1 is fixedly mounted with a liquid guide tube.

[0033] The above technical solution is adopted: the cooling liquid is transported to the inside of the liquid cooling circulation groove 2 through the liquid conduit, so that the liquid circulates inside the liquid cooling circulation groove 2, the circulating cooling liquid is used to keep the liquid cooling plate in a low temperature state, and the heat transfer between the liquid cooling plate and the new energy vehicle battery pack 5 is used to liquid-cool the new energy vehicle battery pack 5.

[0034] Preferably, any of the above schemes has a fixing groove adapted to the liquid cooling plate body 1 formed inside the liquid cooling fixing frame 3 , and connecting grooves adapted to the telescopic clamping frame 4 are formed at the four corners of the liquid cooling fixing frame 3 .

[0035] The above technical solution is adopted: the liquid cooling plate body 1 is fixed by the liquid cooling fixing frame 3, and the liquid cooling fixing frame 3 can be installed to the corresponding position of the new energy vehicle to achieve fixed installation of the liquid cooling plate and the new energy vehicle, and ensure the stability of the liquid cooling plate installation.

[0036] Preferably, from any of the above schemes, the telescopic clamping frame 4 includes a telescopic sleeve 41, a clamping spring 42 and a clamping card 43, the telescopic sleeve 41 is fixedly installed inside the liquid cooling fixed frame 3, the clamping spring 42 is fixedly installed inside the telescopic sleeve 41, and the clamping card 43 is fixedly installed at one end of the clamping spring 42.

[0037] The above technical solution is adopted: the clamping card 43 is stretched according to the size of the new energy vehicle battery pack 5, so that the clamping card 43 can stretch the clamping spring 42 inside the telescopic sleeve 41, and the new energy vehicle battery pack 5 is placed between the clamping card 43 and the liquid cooling fixing frame 3, so that the clamping card 43 clamps the new energy vehicle battery pack 5 under the action of the clamping spring 42, thereby ensuring the stability of the installation of the new energy vehicle battery pack 5.

[0038] Preferably, any of the above schemes is that the new energy vehicle battery pack 5 is located between the liquid cooling plate body 1 and the clamping card 43 , and the new energy vehicle battery pack 5 is attached to one end of the pressure detection plate 6 .

[0039] By adopting the above technical solution, when the new energy vehicle battery pack 5 is subjected to pressure from the clamping plate 43, pressure is generated between the new energy vehicle battery pack 5 and the pressure detection plate 6, and the stability of the installation of the new energy vehicle battery pack 5 can be judged according to the pressure value.

[0040] Preferably, in any of the above schemes, the pressure detection sheet 6 includes a pressure sensor 61 and a pressure sheet 62 . The pressure sensor 61 is fixedly installed inside the liquid cooling plate body 1 . The detection end of the pressure sensor 61 is fixedly installed with the pressure sheet 62 .

[0041] By adopting the above technical solution, the new energy vehicle battery pack 5 squeezes the pressure plate 62, the pressure sensor 61 detects the pressure on the pressure plate 62, and controls the fastening push frame 7 according to the pressure value.

[0042] Preferably, any of the above schemes includes a fastening push frame 7 including a fastening cylinder 71 and a fastening plate 72, the fastening cylinder 71 is fixedly installed inside the liquid cooling fixed frame 3, one end of the fastening cylinder 71 is fixedly installed with the fastening plate 72, and the protective rubber pad 8 is fixedly installed at one end of the fastening plate 72.

[0043] The above technical solution is adopted: the fastening cylinder 71 is controlled to push the fastening plate 72 to move, and the fastening plate 72 pushes the protective rubber pad 8 to move, so that the protective rubber pad 8 and the interior of the new energy vehicle are fitted and fixed, and the fastening plate 72 pushes the frame of the new energy vehicle. The reaction force is used to make the fastening cylinder 71 push the liquid cooling fixing frame 3 to drive the liquid cooling plate to move, thereby ensuring the stable installation of the new energy vehicle battery pack 5.

[0044] The utility model is a liquid cooling plate for a new energy vehicle battery pack, and its working principle is as follows:

[0045] Pull the clamping plate 43 and place the new energy vehicle battery pack 5 between the clamping plate 43 and the liquid cooling plate fixing frame 3. After loosening the clamping plate 43, the pressure sensor 61 detects the pressure value to control the fastening cylinder 71 to drive the fastening plate 72 to move, so that the fastening plate 72 pushes the protective rubber pad 8.

[0046] Compared with the prior art, the present invention has the following beneficial effects:

[0047] 1. A fixed structure is set around the liquid cooling plate, and an elastic clamping structure is set at one end of the fixed structure. The elastic clamping structure can be used to clamp and fix battery packs of different sizes, and the tightness between the battery pack and the liquid cooling plate is enhanced by the clamping effect of the clamping structure. Batteries of various specifications can be liquid-cooled and fixed. At the same time, a fastening adjustment structure is set at one end of the fixed structure to ensure the stability of the close fit between the liquid cooling plate and the battery pack and improve the stability of the heat dissipation of the battery pack.

[0048] 2. A pressure detection structure is set inside the liquid cooling plate to detect the tightness between the liquid cooling plate and the battery pack, and the tightening adjustment structure is controlled according to the detection result to ensure the stability of the tightness between the liquid cooling plate and the battery pack.

Claims

1. A liquid cooling plate for a new energy vehicle battery pack, comprising a liquid cooling plate body (1), wherein a liquid cooling flow groove (2) is provided inside the liquid cooling plate body (1), and both ends of the liquid cooling flow groove (2) are connected with a liquid inlet and a liquid outlet, characterized in that: A liquid cooling fixing frame (3) is fixedly installed on the surface of the liquid cooling plate body (1), and telescopic clamping frames (4) are fixedly installed at the four corners of the liquid cooling fixing frame (3). A new energy vehicle battery pack (5) is arranged inside the telescopic clamping frame (4). A plurality of linear array pressure detection sheets (6) are fixedly installed on one end of the liquid cooling plate body (1), and the pressure detection sheets (6) are signal-connected to a main control board, and the main control board is signal-connected to a fastening push frame (7), and a protective rubber pad (8) is fixedly installed on one end of the fastening push frame (7).

2. The liquid cooling plate for a new energy vehicle battery pack according to claim 1, characterized in that: One end of the liquid cooling plate body (1) is provided with a detection groove matched with the pressure detection plate (6), and one end of the liquid cooling plate body (1) is fixedly mounted with a liquid guide tube.

3. A liquid cooling plate for a new energy vehicle battery pack as claimed in claim 2, characterized in that: A fixing groove matched with the liquid cooling plate body (1) is provided inside the liquid cooling fixing frame (3), and connection grooves matched with the telescopic clamping frame (4) are provided at the four corners of the liquid cooling fixing frame (3).

4. A liquid cooling plate for a new energy vehicle battery pack as claimed in claim 3, characterized in that: The telescopic clamping frame (4) comprises a telescopic sleeve (41), a clamping spring (42) and a clamping card (43); the telescopic sleeve (41) is fixedly installed inside the liquid cooling fixed frame (3); the clamping spring (42) is fixedly installed inside the telescopic sleeve (41); and the clamping card (43) is fixedly installed on one end of the clamping spring (42).

5. The liquid cooling plate for a new energy vehicle battery pack as claimed in claim 4, characterized in that: The new energy vehicle battery pack (5) is located between the liquid cooling plate body (1) and the clamping card (43), and the new energy vehicle battery pack (5) is fitted to one end of the pressure detection sheet (6).

6. A liquid cooling plate for a new energy vehicle battery pack as claimed in claim 5, characterized in that: The pressure detection plate (6) comprises a pressure sensor (61) and a pressure plate (62); the pressure sensor (61) is fixedly mounted inside the liquid cooling plate body (1); and the pressure plate (62) is fixedly mounted on the detection end of the pressure sensor (61).

7. A liquid cooling plate for a new energy vehicle battery pack as claimed in claim 6, characterized in that: The fastening push frame (7) comprises a fastening cylinder (71) and a fastening plate (72), wherein the fastening cylinder (71) is fixedly mounted inside the liquid cooling fixed frame (3), a fastening plate (72) is fixedly mounted on one end of the fastening cylinder (71), and the protective rubber pad (8) is fixedly mounted on one end of the fastening plate (72).

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