Battery pack liquid cooling plate with flow distribution

Abstract

The utility model provides a battery pack liquid cooling plate capable of distributing flow, comprising a liquid cooling plate body, an adjusting disk device, and an outlet collecting device, wherein a plurality of fluid channels are arranged inside the liquid cooling plate body, the fluid channel at the right end of the liquid cooling plate body is connected to the adjusting disk device, and the fluid channel at the left end of the liquid cooling plate body is connected to the outlet collecting device. The beneficial effects of the utility model are as follows: for different battery pack module structure layouts, there is no need to redesign the liquid cooling plate, and it is only necessary to design the flow adjusting disk with flow adjusting holes with different flow cross-sectional areas, and rotating the flow adjusting disk can realize continuous adjustment of the flow in the entire liquid cooling plate body, and can reasonably distribute the flow of each flow channel in the liquid cooling plate body, realize uniform heat dissipation of the battery module, reduce the temperature difference between the battery cells, make the battery pack more temperature-uniform, extend the service life of the battery cells, and reduce the production cost of the liquid cooling plate.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling plates, in particular to a battery pack liquid cooling plate capable of distributing flow. Background Art

[0002] The battery pack generates a large amount of heat during operation, which increases the temperature of the battery cells. The liquid cooling plate heat dissipation technology can be used to effectively dissipate the heat of the battery pack, but the traditional liquid cooling plate is designed according to the structural layout of the battery cell module in the battery pack, and the flow rate of the flow channel cannot be adjusted according to the module layout, which causes uneven heat dissipation of the battery cell and affects the battery performance and life. Secondly, when the battery pack changes the module layout, the liquid cooling plate needs to be redesigned to match the heat dissipation, which ultimately increases the production cost of the large battery pack. Summary of the invention

[0003] The utility model aims to solve the above-mentioned technical problems and provides a novel battery pack liquid cooling plate with distributable flow. A single flow regulating disk integrates multiple flow regulating holes of different sizes to meet various design requirements. At the same time, by using a fixed spring and a fixed clamp, the structural stability of the liquid cooling plate body during the flow regulation process can be achieved. The overall structure is reasonable, easy to assemble, easy to operate, and ingeniously designed.

[0004] The utility model is realized by the following technical solutions:

[0005] A battery pack liquid cooling plate capable of distributing flow, comprising a liquid cooling plate body, an adjusting disk device, and an outlet collecting device, wherein a plurality of fluid channels are arranged inside the liquid cooling plate body, the fluid channel at the right end of the liquid cooling plate body is connected to the adjusting disk device, and the fluid channel at the left end of the liquid cooling plate body is connected to the outlet collecting device.

[0006] As a further feature, the adjusting disk device includes an adjusting disk bottom cover, a flow adjusting disk, an adjusting disk upper cover, a bottom cover sealing ring, and an upper cover sealing ring. The bottom of the flow adjusting disk is provided with an adjusting disk bottom cover, the inner side wall of the adjusting disk bottom cover is provided with a bottom cover sealing ring groove, the flow adjusting disk is provided with an adjusting disk upper cover, the middle part of the adjusting disk bottom cover is provided with a groove, the fluid channel at the right end of the liquid cooling plate body is inserted into the groove in the middle part of the adjusting disk bottom cover, the outer side wall of the adjusting disk upper cover is provided with a liquid flow inlet nozzle, the inner side wall of the adjusting disk upper cover is provided with an upper cover sealing ring groove, the middle part of the inner side of the adjusting disk upper cover is provided with a connecting rod, the connecting rod is connected to the flow adjusting disk, the bottom of the flow adjusting disk is embedded in the bottom cover sealing ring groove of the inner side wall of the adjusting disk bottom cover, and is tightly connected through the bottom cover sealing ring, the upper part of the flow adjusting disk is embedded in the upper cover sealing ring groove of the inner side wall of the adjusting disk upper cover, and is tightly connected through the upper cover sealing ring, and a plurality of clamp through holes are provided on the inner side of the adjusting disk bottom cover.

[0007] Furthermore, a cavity is provided inside the flow regulating disk, a circular hole is provided in the middle of the cavity, and several flow regulating holes are provided at the bottom of the cavity. The connecting rod in the middle inner part of the regulating disk upper cover passes through the circular hole in the middle of the flow regulating disk cavity and is connected to the right end of the liquid cooling plate body. Several adjusting protrusions are provided on the outer wall of the flow regulating disk, and several fixed spring holes are provided on the outer wall of the bottom of the flow regulating disk. The flow regulating hole inside the flow regulating disk is connected to the fluid channel at the right end of the liquid cooling plate body. The flow regulating disk can be rotated by turning the adjusting protrusion, thereby changing the flow cross-sectional area matching the fluid channel in the liquid cooling plate body.

[0008] Furthermore, the outlet collecting device includes an outlet collecting plate and a liquid flow outlet nozzle, the outlet collecting plate is provided with an outlet groove, the middle part of the outer side wall of the outlet collecting plate is provided with a liquid flow outlet nozzle, the liquid flow outlet nozzle is connected with the outlet groove inside the outlet collecting plate, the left end of the liquid cooling plate body is embedded in the outlet groove inside the outlet collecting plate, and the fluid channel at the left end of the liquid cooling plate body is connected with the liquid flow outlet nozzle.

[0009] Furthermore, a fixing component is provided between the bottom cover of the adjusting disk and the flow adjusting disk, and the fixing component includes a fixing clamp and a fixing spring. The fixing clamp is embedded in the clamp through hole on the inner side of the bottom cover of the adjusting disk, one end of the fixing spring is connected to the fixing clamp, and the other end of the fixing spring is embedded in the fixing spring hole on the outer side wall of the bottom of the flow adjusting disk.

[0010] The beneficial effects of the utility model are:

[0011] (1) For different battery pack module structure layouts, there is no need to redesign the liquid cooling plate. Instead, the flow regulating plate can be designed with flow regulating holes with different flow cross-sectional areas. By rotating the flow regulating plate, the flow in the entire liquid cooling plate body can be continuously adjusted, and the flow in each flow channel in the liquid cooling plate body can be reasonably distributed to achieve uniform heat dissipation of the battery pack module, reduce the temperature difference between the battery cells, make the battery pack module more uniform in temperature, extend the service life of the battery pack, and reduce the cost of the cold plate body.

[0012] (2) A single flow regulating disk integrates multiple flow regulating holes of different sizes to meet various design requirements. At the same time, the fixed spring and fixed clamp can achieve structural stability during the flow regulation process of the cold plate body. The overall structure is reasonable, easy to assemble, easy to operate, and ingeniously designed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of a battery pack liquid cooling plate capable of distributing flow according to the utility model;

[0014] Figure 2 This is a schematic diagram of the explosion structure of the battery pack liquid cooling plate capable of distributing flow according to the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the adjusting disk device of the utility model;

[0016] Figure 4 This is a schematic diagram of the explosion structure of the regulating disk device of the utility model;

[0017] Figure 5 This is a schematic diagram of the top view of the bottom cover of the adjustment plate of the utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the flow regulating disk of the utility model when viewed from above;

[0019] Figure 7 This is a schematic diagram of the structure of the upper cover of the adjustment disk of the utility model when viewed from above;

[0020] Figure 8 This is a schematic diagram of the structure of the fixing component of the utility model;

[0021] Fig. 9 This is a schematic diagram of the structure of the outlet current collecting device of the utility model;

[0022] Fig.10 This is a schematic diagram of the main structure of the liquid cooling plate of the utility model;

[0023] Figure numerals: 1. liquid cooling plate body; 11. fluid channel; 2. regulating disk device; 21. regulating disk bottom cover; 210. bottom cover sealing ring slot; 211. groove; 212. clamping head through hole; 22. flow regulating disk; 220. cavity; 221. round hole; 222. flow regulating hole; 223. regulating protrusion; 224. fixing spring hole; 23. regulating disk upper cover; 230. liquid flow inlet nozzle; 231. upper cover sealing ring slot; 232. connecting rod; 24. bottom cover sealing ring; 25. upper cover sealing ring; 26. fixing component; 260. fixing clamping head; 261. fixing spring; 3. outlet collecting device; 31. outlet collecting plate; 310. outlet groove; 32. liquid flow outlet nozzle. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0026] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0027] Refer to Figure 1-10 As shown, a battery pack liquid cooling plate capable of distributing flow comprises a liquid cooling plate body 1, an adjusting disk device 2, and an outlet collecting device 3. A plurality of fluid channels 11 are arranged inside the liquid cooling plate body 1. The fluid channel 11 at the right end of the liquid cooling plate body 1 is connected to the adjusting disk device 2, and the fluid channel 11 at the left end of the liquid cooling plate body 1 is connected to the outlet collecting device 3.

[0028] Preferably, the regulating disk device 2 comprises a regulating disk bottom cover 21, a flow regulating disk 22, a regulating disk upper cover 23, a bottom cover sealing ring 24, and an upper cover sealing ring 25. The bottom of the flow regulating disk 22 is provided with an regulating disk bottom cover 21, the inner side wall of the regulating disk bottom cover 21 is provided with a bottom cover sealing ring groove 210, the flow regulating disk 22 is provided with an regulating disk upper cover 23, the middle part of the regulating disk bottom cover 21 is provided with a groove 211, the fluid channel 11 at the right end of the liquid cooling plate body 1 is inserted into the groove 211 in the middle part of the regulating disk bottom cover 21, the outer side wall of the regulating disk upper cover 23 is provided with a liquid flow inlet nozzle 230, The inner wall of the regulating disk upper cover 23 is provided with an upper cover sealing ring groove 231, and the middle part of the inner side of the regulating disk upper cover 23 is provided with a connecting rod 232, and the connecting rod 232 is connected to the flow regulating disk 22. The bottom of the flow regulating disk 22 is embedded in the bottom cover sealing ring groove 210 of the inner wall of the regulating disk bottom cover 21, and is tightly connected through the bottom cover sealing ring 24. The upper part of the flow regulating disk 22 is embedded in the upper cover sealing ring groove 231 of the inner wall of the regulating disk upper cover 23, and is tightly connected through the upper cover sealing ring 25. The inner side of the regulating disk bottom cover 21 is provided with a plurality of clamping head through holes 212.

[0029] Preferably, a cavity 220 is provided inside the flow regulating disk 22, a circular hole 221 is provided in the middle of the cavity 220, and a plurality of flow regulating holes 222 are provided at the bottom of the cavity 220. The connecting rod 232 at the middle inner side of the regulating disk upper cover 23 passes through the circular hole 221 in the middle of the flow regulating disk cavity 220 and is connected to the right end of the liquid cooling plate body 1. A plurality of adjusting protrusions 223 are provided on the outer wall of the flow regulating disk 22, and a plurality of fixing spring holes 224 are provided on the outer wall of the bottom of the flow regulating disk 22. The flow regulating hole 222 inside the flow regulating disk 22 is connected to the fluid channel 11 at the right end of the liquid cooling plate body 1. The flow regulating disk 22 can be rotated by turning the adjusting protrusion 223, thereby changing the flow cross-sectional area matching the fluid channel 11 in the liquid cooling plate body 1.

[0030] Preferably, the outlet collecting device 3 includes an outlet collecting plate 31 and a liquid flow outlet nozzle 32. An outlet groove 310 is provided inside the outlet collecting plate 31. A liquid flow outlet nozzle 32 is provided in the middle of the outer wall of the outlet collecting plate 31. The liquid flow outlet nozzle 32 is connected with the outlet groove 310 inside the outlet collecting plate 31. The left end of the liquid cooling plate body 1 is embedded in the outlet groove 310 inside the outlet collecting plate 31, and the fluid channel 11 at the left end of the liquid cooling plate body 1 is connected with the liquid flow outlet nozzle 32.

[0031] Preferably, a fixing component 26 is provided between the adjusting disk bottom cover 21 and the flow adjusting disk 22, and the fixing component 26 includes a fixing clamp 260 and a fixing spring 261. The fixing clamp 260 is embedded in the clamp through hole 212 on the inner side of the adjusting disk bottom cover 21, one end of the fixing spring 261 is connected to the fixing clamp 260, and the other end of the fixing spring 261 is embedded in the fixing spring hole 224 on the outer side wall of the bottom of the flow adjusting disk 22.

[0032] In summary, a battery pack liquid cooling plate with flow distribution does not need to be redesigned for different battery pack module structure layouts. It only needs to design a flow regulating disk with flow regulating holes with different flow cross-sectional areas. Rotating the flow regulating disk can realize continuous adjustment of the flow in the entire liquid cooling plate body, and can reasonably distribute the flow of each flow channel in the liquid cooling plate body, so as to achieve uniform heat dissipation of the battery pack module, reduce the temperature difference between the battery cells, make the battery pack module more uniform in temperature, extend the service life of the battery pack, and reduce the cost of the cold plate body. A single flow regulating disk integrates multiple flow regulating holes of different sizes to meet various design requirements. At the same time, the fixed spring and the fixed clamp can be used to achieve structural stability in the process of flow regulation of the cold plate body. The overall structure is reasonable, easy to assemble, easy to operate, and ingeniously designed.

[0033] According to the disclosure and teaching of the above description, the technicians in the field of the utility model can also make appropriate changes and modifications to the above implementation. Therefore, the utility model is not limited to the specific implementation methods disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the utility model.

Claims

1. A battery pack liquid cooling plate capable of distributing flow, characterized in that: It includes a liquid cooling plate body, an adjusting disk device, and an outlet collecting device. A plurality of fluid channels are arranged inside the liquid cooling plate body. The fluid channel at the right end of the liquid cooling plate body is connected with the adjusting disk device, and the fluid channel at the left end of the liquid cooling plate body is connected with the outlet collecting device. The adjusting disk device includes an adjusting disk bottom cover, a flow adjusting disk, an adjusting disk upper cover, a bottom cover sealing ring, and an upper cover sealing ring. An adjusting disk bottom cover is arranged at the bottom of the flow adjusting disk, a bottom cover sealing ring card groove is arranged on the inner side wall of the adjusting disk bottom cover, an adjusting disk upper cover is arranged above the flow adjusting disk, a groove is arranged in the middle of the adjusting disk bottom cover, and a groove is arranged on the right side of the liquid cooling plate body. The fluid channel at the end is inserted into the groove in the middle part of the bottom cover of the adjusting disk, the outer side wall of the upper cover of the adjusting disk is provided with a liquid flow inlet nozzle, the inner side wall of the upper cover of the adjusting disk is provided with an upper cover sealing ring groove, the middle part of the inner side of the upper cover of the adjusting disk is provided with a connecting rod, the connecting rod is connected to the adjusting disk, the bottom of the flow adjusting disk is embedded in the bottom cover sealing ring groove of the inner side wall of the bottom cover of the adjusting disk, and is tightly connected through the bottom cover sealing ring, the upper part of the flow adjusting disk is embedded in the upper cover sealing ring groove of the inner side wall of the upper cover of the adjusting disk, and is tightly connected through the upper cover sealing ring, and a plurality of clamping head through holes are provided on the inner side of the bottom cover of the adjusting disk.

2. The battery pack liquid cooling plate capable of distributing flow according to claim 1, characterized in that: A cavity is provided inside the flow regulating disk, a circular hole is provided in the middle of the cavity, and a plurality of flow regulating holes are provided at the bottom of the cavity. A connecting rod at the middle inner side of the regulating disk upper cover passes through the circular hole in the middle of the cavity of the flow regulating disk and is connected to the right end of the liquid cooling plate body. A plurality of regulating protrusions are provided on the outer side wall of the flow regulating disk, and a plurality of fixing spring holes are provided on the outer side wall of the bottom of the flow regulating disk. The flow regulating hole inside the flow regulating disk is connected to the fluid channel at the right end of the liquid cooling plate body. The flow regulating disk can be rotated by turning the regulating protrusion, thereby changing the flow cross-sectional area matching the fluid channel in the liquid cooling plate body.

3. The battery pack liquid cooling plate capable of distributing flow according to claim 1, characterized in that: The outlet collecting device includes an outlet collecting plate and a liquid flow outlet nozzle. An outlet groove is provided inside the outlet collecting plate. A liquid flow outlet nozzle is provided in the middle of the outer side wall of the outlet collecting plate. The liquid flow outlet nozzle is connected with the outlet groove inside the outlet collecting plate. The left end of the liquid cooling plate body is embedded in the outlet groove inside the outlet collecting plate, and the fluid channel at the left end of the liquid cooling plate body is connected with the liquid flow outlet nozzle.

4. The battery pack liquid cooling plate capable of distributing flow according to claim 1, characterized in that: A fixing component is provided between the bottom cover of the regulating disk and the flow regulating disk, and the fixing component includes a fixing clamp and a fixing spring. The fixing clamp is embedded in the clamp through hole on the inner side of the bottom cover of the regulating disk, one end of the fixing spring is connected to the fixing clamp, and the other end of the fixing spring is embedded in the fixing spring hole on the outer side wall of the bottom of the flow regulating disk.

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