Novel efficient heat pipe conduction heat dissipation battery module structure

Abstract

The utility model relates to a novel efficient heat pipe conduction heat dissipation battery module structure which comprises three liquid cooling plates, lithium ion batteries, heat conduction plates, a front fixing plate, a rear fixing plate and heat conduction glue, the lithium ion batteries and the heat conduction plates are alternately arranged, the cross section of each heat conduction plate is L-shaped, the heat conduction plates wrap the bottoms and the side faces of the lithium ion batteries, and the heat conduction glue is arranged between the front fixing plate and the rear fixing plate. One liquid cooling plate is installed on the lower end face of the heat conduction plate, the other two liquid cooling plates are installed on the two side faces of the lithium ion battery, the front fixing plate is installed at the front ends of the three liquid cooling plates, and the rear fixing plate is installed at the rear ends of the three liquid cooling plates; and the heat-conducting glue is filled between the heat-conducting plate and the liquid-cooling plate, between the heat-conducting plate and the lithium ion battery, between the liquid-cooling plate and the lithium ion battery, between the front fixing plate and the heat-conducting plate and between the rear fixing plate and the lithium ion battery. According to the novel efficient heat pipe conduction heat dissipation battery module structure, the three liquid cooling plates are arranged, so that the three end faces of the lithium ion battery can be cooled at the same time, and the cooling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially is related to a novel high -efficient heat pipe conduction heat dissipation battery module structure. BACKGROUND

[0002] The liquid cooling plate of the common liquid cooling battery box is located at the bottom of the battery, and the heat is taken away from the bottom of the battery. But the thermal conductivity of the battery is low (1~3 W / (m·K)), the efficiency of the heat at the upper end downward is very low, which causes the temperature difference between the upper end and the lower end of the battery to be large, and the temperature difference can reach 12 DEG C, which can greatly shorten the service life of the battery and increase the risk of thermal runaway of the battery. SUMMARY

[0003] The main purpose of the utility model is to provide a novel high -efficient heat pipe conduction heat dissipation battery module structure to solve the above technical problems and improve the cooling efficiency.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A novel high -efficient heat pipe conduction heat dissipation battery module structure, including three liquid cooling plates, lithium ion batteries, heat conduction plates, front fixed plates, rear fixed plates and heat conduction glue, the lithium ion battery and the heat conduction plate are alternately arranged, the cross section of the heat conduction plate is L-shaped, the heat conduction plate covers the bottom and the side of the lithium ion battery, one liquid cooling plate is installed on the lower end surface of the heat conduction plate, the other two liquid cooling plates are installed on the two side surfaces of the lithium ion battery, the front fixed plate is installed on the front end of the three liquid cooling plates, the rear fixed plate is installed on the rear end of the three liquid cooling plates, the heat conduction glue is filled between the heat conduction plate and the liquid cooling plate, between the heat conduction plate and the lithium ion battery, between the liquid cooling plate and the lithium ion battery, between the front fixed plate and the heat conduction plate and between the rear fixed plate and the lithium ion battery.

[0006] As a preferred technical scheme, the three liquid cooling plates have liquid inlet and liquid outlet, and the liquid inlet and the liquid outlet are installed on the liquid cooling plate.

[0007] As a preferred technical scheme, the front fixed plate is provided with a fixed hole for fixing the liquid inlet and the liquid outlet.

[0008] As a preferred technical scheme, it further includes a connecting pipeline, the connecting pipeline communicates the liquid outlet of one liquid cooling plate with the liquid inlet of the second liquid cooling plate and the liquid outlet of the second liquid cooling plate with the liquid inlet of the third liquid cooling plate.

[0009] As a preferred technical scheme, the end of the liquid cooling plate is provided with a clamping block, and the rear fixed plate is provided with a clamping groove, and the clamping block is clamped in the clamping groove.

[0010] The novel high-efficiency heat pipe conduction heat dissipation battery module structure has the advantages that the three liquid cooling plates can simultaneously cool the three end faces of the lithium ion battery, thereby improving the cooling efficiency; the heat-conducting adhesive is heat-conducting and insulating silica gel, which can insulate the electrical contact between the lithium ion battery and the heat-conducting plate, and can transfer the heat generated by the lithium ion battery to the heat-conducting plate through the heat-conducting adhesive; and the three liquid cooling plates can take away the heat of the heat-conducting plate by inputting the cooling liquid. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 FIG. 1 is a structural schematic view of a novel high-efficiency heat pipe conduction heat dissipation battery module structure according to the present application.

[0012] Figure 2 FIG. 2 is an exploded schematic view of the novel high-efficiency heat pipe conduction heat dissipation battery module structure according to the present application. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0014] [Example 1]

[0015] Please refer to Figure 1 and Figure 2As shown, a novel high-efficiency heat pipe conduction heat dissipation battery module structure, comprising a first liquid cooling plate 3, a second liquid cooling plate 4, a third liquid cooling plate 5, a lithium ion battery 1, a heat conduction plate 2, a front fixed plate 6, a rear fixed plate 7 and a heat conduction glue (not shown in the figure), the lithium ion battery 1 and the heat conduction plate 2 are arranged alternately, the cross section of the heat conduction plate 2 is L-shaped, the heat conduction plate 2 covers the bottom and side of the lithium ion battery 1, the first liquid cooling plate 3 is installed on the lower end surface of the heat conduction plate 2, the second liquid cooling plate 4 and the third liquid cooling plate 5 are installed on the two side surfaces of the lithium ion battery 1, the front fixed plate 6 is installed on the front end of the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5, the rear fixed plate 7 is installed on the rear end of the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5, so as to fix the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5 respectively, the heat conduction glue is filled between the heat conduction plate 2 and the first liquid cooling plate 3, between the second liquid cooling plate 4 and the lithium ion battery 1, between the third liquid cooling plate 5 and the lithium ion battery 1, between the heat conduction plate 2 and the lithium ion battery 1, between the front fixed plate 6 and the heat conduction plate 2, and between the rear fixed plate 7 and the lithium ion battery 1, the surface of the second liquid cooling plate 4 and the third liquid cooling plate 5 is provided with a copper sheet, the copper sheet is arranged close to the lithium ion battery 1, the heat conduction glue is heat-insulating silicon glue, which can isolate the electrical contact between the lithium ion battery 1 and the heat conduction plate 2, and can transfer the heat generated by the lithium ion battery 1 to the heat conduction plate 2 through the heat conduction glue, the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5 are filled with cooling liquid to take away the heat of the heat conduction plate 2.

[0016] The first liquid cooling plate 3 is provided with a first liquid inlet 31 and a first liquid outlet 32, the first liquid inlet 31 and the first liquid outlet 32 are installed on the front end of the first liquid cooling plate 3, the second liquid cooling plate 4 is provided with a second liquid inlet 41, a second liquid outlet 42 and a first clamping block 43, the second liquid inlet 41 and the second liquid outlet 42 are installed on the front end of the second liquid cooling plate 4, the first clamping block 43 is installed on the rear end of the second liquid cooling plate 4, the third liquid cooling plate 5 is provided with a third liquid inlet 51, a third liquid outlet 52 and a second clamping block 53, the third liquid inlet 51 and the third liquid outlet 52 are installed on the front end of the third liquid cooling plate 5, the second clamping block 53 is installed on the rear end of the third liquid cooling plate 5, in this embodiment, the first liquid inlet 31, the second liquid inlet 41 and the third liquid inlet 51 are filled with cooling liquid, and the cooling liquid flows out from the first liquid outlet 32, the second liquid outlet 42 and the third liquid outlet 52, so that the cooling liquid takes out the heat.

[0017] Six fixing holes 61 are arranged on the front fixing plate 6, which are used for fixing the second liquid inlet 41, the second liquid outlet 42, the third liquid inlet 51, the third liquid outlet 52, the first liquid inlet 31 and the first liquid outlet 32, so as to fix one end of the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5. The rear fixing plate 7 is provided with a clamping groove 71 and a fixing groove 72. The first clamping block 43 and the second clamping block 53 are clamped in the clamping groove 71, and the fixing groove 72 is clamped at the rear end of the first liquid cooling plate 3. The fixing groove 72 is used for positioning the position of the rear fixing plate 7, and the clamping groove 71 is used for fixing the rear end of the second liquid cooling plate 4 and the third liquid cooling plate 5, so as to fix the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5.

[0018] [Example 2]

[0019] Please refer to Figure 1 and Figure 2 , a novel high-efficiency heat pipe conduction heat dissipation battery module structure, comprising a first liquid cooling plate 3, a second liquid cooling plate 4, a third liquid cooling plate 5, a lithium ion battery 1, a heat conduction plate 2, a front fixing plate 6, a rear fixing plate 7 and a heat conduction glue (not shown in the figure). The lithium ion battery 1 and the heat conduction plate 2 are arranged alternately. The cross section of the heat conduction plate 2 is L-shaped. The heat conduction plate 2 covers the bottom and side surface of the lithium ion battery 1. The first liquid cooling plate 3 is installed at the lower end surface of the heat conduction plate 2. The second liquid cooling plate 4 and the third liquid cooling plate 5 are installed on the two side surfaces of the lithium ion battery 1. The front fixing plate 6 is installed at the front end of the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5. The rear fixing plate 7 is installed at the rear end of the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5, so as to fix the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5 respectively. The heat conduction glue is filled between the heat conduction plate 2 and the first liquid cooling plate 3, between the second liquid cooling plate 4 and the lithium ion battery 1, between the third liquid cooling plate 5 and the lithium ion battery 1, between the heat conduction plate 2 and the lithium ion battery 1, between the front fixing plate 6 and the heat conduction plate 2, and between the rear fixing plate 7 and the lithium ion battery 1. The surface of the second liquid cooling plate 4 and the third liquid cooling plate 5 is provided with a copper sheet, which is arranged close to the lithium ion battery 1. The heat conduction glue is heat-insulating silicon glue, which can isolate the electrical contact between the lithium ion battery 1 and the heat conduction plate 2, and can transfer the heat generated by the lithium ion battery 1 to the heat conduction plate 2 through the heat conduction glue. The first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5 are filled with cooling liquid to take away the heat of the heat conduction plate 2.

[0020] The first liquid cooling plate 3 is provided with a first liquid inlet 31 and a first liquid outlet 32, and the first liquid inlet 31 and the first liquid outlet 32 are installed at the front end of the first liquid cooling plate 3; the second liquid cooling plate 4 is provided with a second liquid inlet 41, a second liquid outlet 42 and a first clamping block 43, and the second liquid inlet 41 and the second liquid outlet 42 are installed at the front end of the second liquid cooling plate 4; the first clamping block 43 is installed at the rear end of the second liquid cooling plate 4; the third liquid cooling plate 5 is provided with a third liquid inlet 51, a third liquid outlet 52 and a second clamping block 53, and the third liquid inlet 51 and the third liquid outlet 52 are installed at the front end of the third liquid cooling plate 5; the second clamping block 53 is installed at the rear end of the third liquid cooling plate 5; in the embodiment, a connecting pipeline is further included, which communicates the second liquid outlet 42 with the first liquid inlet 31 and communicates the first liquid outlet 32 with the third liquid inlet 51; the second liquid inlet 41 and the third liquid outlet 52 are communicated with external pipelines; the second liquid inlet 41 is communicated with the cooling liquid; the cooling liquid sequentially passes through the second liquid cooling plate 4, the first liquid cooling plate 3 and the third liquid cooling plate 5, and then flows out from the third liquid outlet 52, so that the cooling liquid carries out heat; in order to ensure the cooling efficiency, the flow speed of the cooling liquid is extremely fast, so as to meet the cooling requirements of the three liquid cooling plates.

[0021] The front fixed plate 6 is provided with six fixing holes 61 for fixing the second liquid inlet 41, the second liquid outlet 42, the third liquid inlet 51, the third liquid outlet 52, the first liquid inlet 31 and the first liquid outlet 32, so as to fix one end of the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5; the rear fixed plate 7 is provided with a clamping groove 71 and a fixing groove 72; the first clamping block 43 and the second clamping block 53 are clamped in the clamping groove 71; the fixing groove 72 is clamped at the rear end of the first liquid cooling plate 3; the fixing groove 72 is used for positioning the position of the rear fixed plate 7; the clamping groove 71 is used for fixing the rear end of the second liquid cooling plate 4 and the third liquid cooling plate 5, so as to fix the first liquid cooling plate 3, the second liquid cooling plate 4 and the third liquid cooling plate 5.

[0022] The above-described embodiment is only a preferred example of the present application, and does not limit the scope of the present application; therefore, equivalent changes or modifications made according to the structure, features and principles described in the patent application of the present application should be included in the patent application of the present application.

Claims

1. A novel high-efficiency heat pipe conductive heat dissipation battery module structure, characterized in that, The device includes three liquid cooling plates, a lithium-ion battery, a heat-conducting plate, a front fixing plate, a rear fixing plate, and thermally conductive adhesive. The lithium-ion battery and the heat-conducting plates are arranged alternately. The heat-conducting plate has an L-shaped cross-section and covers the bottom and sides of the lithium-ion battery. One liquid cooling plate is installed on the lower end face of the heat-conducting plate, and the other two liquid cooling plates are installed on the two sides of the lithium-ion battery. The front fixing plate is installed at the front end of the three liquid cooling plates, and the rear fixing plate is installed at the rear end of the three liquid cooling plates. The thermally conductive adhesive fills the spaces between the heat-conducting plates and the liquid cooling plates, between the heat-conducting plates and the lithium-ion battery, between the liquid cooling plates and the lithium-ion battery, between the front fixing plate and the heat-conducting plate, and between the rear fixing plate and the lithium-ion battery.

2. The novel high-efficiency heat pipe conductive heat dissipation battery module structure according to claim 1, characterized in that, The three liquid cooling plates each have a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are mounted on the liquid cooling plates.

3. The novel high-efficiency heat pipe conductive heat dissipation battery module structure according to claim 2, characterized in that, The front fixing plate is provided with fixing holes for fixing the liquid inlet and the liquid outlet.

4. The novel high-efficiency heat pipe conductive heat dissipation battery module structure according to claim 3, characterized in that, It further includes a connecting pipe that connects the outlet of one liquid-cooled plate to the inlet of the second liquid-cooled plate and the outlet of the second liquid-cooled plate to the inlet of the third liquid-cooled plate.

5. The novel high-efficiency heat pipe conductive heat dissipation battery module structure according to claim 4, characterized in that, The liquid cooling plate has a locking block at its end, and the rear fixing plate has a locking groove, in which the locking block is engaged.

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