Flow-adjustable liquid cooling plate

Abstract

The utility model provides a liquid cooling plate with adjustable flow, which comprises a liquid cooling plate body, an inlet channel and an outlet channel, the left side of the liquid cooling plate body is provided with the inlet channel, the right side of the liquid cooling plate body is provided with the outlet channel, the liquid cooling plate body is internally provided with a plurality of flow channel guide plates, the plurality of flow channel guide plates are distributed at equal intervals, and the flow channel guide plates are arranged in the liquid cooling plate body. The liquid cooling plate comprises a liquid cooling plate body and a flow adjusting device, and the flow adjusting device is arranged on a flow channel guide plate in the liquid cooling plate body. The liquid cooling plate has the beneficial effects that the flow of each cooling channel in the liquid cooling plate body can be controlled through the flow adjusting device, so that uniform heat dissipation of a battery cell is realized, and the battery cell works in a proper temperature interval; the temperature difference between the battery cells is reduced, so that the temperature uniformity of the battery pack is better, the service life of the battery pack is prolonged, meanwhile, the cost of replacing the liquid cooling plate body is reduced, the flow adjusting plate can be quickly mounted and dismounted, and the liquid cooling plate is reasonable in overall structure, easy to assemble and operate and ingenious in design.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid cooling plates, in particular to a liquid cooling plate with adjustable flow rate. Background Art

[0002] The battery pack generates a large amount of heat during the charging and discharging process, causing the battery temperature to rise sharply. The use of a liquid cooling system, especially a liquid cooling plate, can quickly remove the heat from the battery and achieve the purpose of rapid heat dissipation. However, the liquid cooling plate currently used in the battery pack is mainly designed according to the layout of the battery cell module, 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 increases the temperature difference between the battery cells, affecting 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 liquid cooling plate with adjustable flow rate. The flow rate of each cooling channel inside the liquid cooling plate body can be controlled by a flow regulating device to achieve uniform heat dissipation of the battery cells, so that the battery cells can operate in a suitable temperature range, the temperature difference between the battery cells can be reduced, the temperature uniformity of the battery pack can be better, the service life of the battery pack can be extended, and the cost of replacing the liquid cooling plate body can be reduced. The flow regulating plate can be quickly installed and disassembled, the overall structure is reasonable, easy to assemble, easy to operate, and the design is ingenious.

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

[0005] A liquid cooling plate with adjustable flow rate comprises a liquid cooling plate body, an inlet channel and an outlet channel, wherein the inlet channel is arranged on the left side of the liquid cooling plate body and the outlet channel is arranged on the right side of the liquid cooling plate body, a plurality of flow channel guide plates are arranged inside the liquid cooling plate body, and the plurality of flow channel guide plates are distributed at equal intervals, and further comprises a flow regulating device, wherein the flow channel guide plates inside the liquid cooling plate body are provided with a flow regulating device, and the flow regulating device can control the flow rate of each flow channel inside the liquid cooling plate body, thereby achieving uniform heat dissipation of battery cells, making the battery cells operate in a suitable temperature range, reducing the temperature difference between the battery cells, and making the temperature uniformity of the battery pack better.

[0006] As a further feature, the liquid cooling plate body includes a substrate and a cover plate, a cover plate is provided above the substrate, a slot is provided on the inner side of the cover plate, the slot on the inner side of the cover plate is embedded in the flow regulating plate of the flow regulating device, a plurality of equally spaced flow channel guide plates are provided on the substrate, a cooling channel is provided between two flow channel guide plates, a plurality of flow channel guide plates are provided with grooves, the grooves and the cooling channels are interconnected, the flow regulating device is embedded in the grooves on the flow channel guide plates of the substrate, one end of the cooling channel is connected to the inlet channel, and the other end of the cooling channel is connected to the outlet channel, and the cover plate seamlessly connects the substrate, the flow channel guide plate, the cooling channel, and the flow regulating device to the substrate.

[0007] As a further feature, a flow regulating installation groove is provided on one side of the substrate, a fixing hole and a rebound hole are respectively provided on the inner side wall of the flow regulating installation groove, and a sealing ring installation position is provided between the flow regulating installation groove and the groove.

[0008] Further, the flow regulating device includes a flow regulating plate, a flow regulating fixing component, and a sealing ring. The flow regulating plate is embedded in the groove on the flow channel guide plate. The flow regulating plate is provided with a plurality of flow openings. The flow openings are interconnected with the cooling channel. Flow regulating fixing components are provided on the left and right sides of the flow regulating plate. The sealing ring is embedded in the sealing ring installation position between the flow regulating installation groove and the groove. The sealing ring seamlessly connects the flow regulating plate and the groove on the flow channel guide plate and snaps them onto the substrate.

[0009] As a further step, the flow regulating fixed component includes a flow regulating fixed block, a flow regulating fixed spring, a flow regulating rebound spring, a flow regulating fixed clamp, a flow regulating rebound clamp, and a flow regulating movable convex head. The flow regulating fixed blocks are respectively installed on the left and right sides of the flow regulating plate. A fixed spring through hole is provided at the front end of the flow regulating fixed block, a rebound spring through hole is provided on one side of the flow regulating fixed block, a slide groove is provided on the front side of the flow regulating fixed block, one end of the flow regulating fixed spring is embedded in the fixed spring through hole at the front end of the flow regulating fixed block, and the flow regulating fixed The other end of the fixed spring is connected to the flow regulating fixed clamp, and the flow regulating fixed clamp is against the fixed hole on the inner side wall of the flow regulating installation groove. One end of the flow regulating rebound spring is embedded in the rebound spring through hole on one side of the flow regulating fixed block. The other end of the flow regulating rebound spring is connected to the flow regulating rebound clamp, and the flow regulating rebound clamp is against the rebound hole on the inner side wall of the flow regulating installation groove. The flow regulating fixed clamp is provided with a flow regulating movable convex head, and the flow regulating movable convex head can move left and right in the slide groove on the front side of the flow regulating fixed block.

[0010] As a further feature, the flow regulating movable protrusion is in a T-shape.

[0011] The beneficial effects of the utility model are as follows: the flow rate of each cooling channel inside the liquid cooling plate body can be controlled by the flow regulating device, so as to achieve uniform heat dissipation of the battery cells, make the battery cells work in a suitable temperature range, reduce the temperature difference between the battery cells, make the battery pack more uniform, extend the service life of the battery pack, and reduce the cost of replacing the liquid cooling plate body at the same time. The flow regulating plate can be quickly installed and disassembled, the overall structure is reasonable, easy to assemble, easy to operate, and cleverly designed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the liquid cooling plate with adjustable flow rate of the utility model;

[0013] Figure 2 This is a schematic diagram of the explosion structure of the liquid cooling plate with adjustable flow rate of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the flow regulating device of the utility model;

[0015] Figure 4 This is a schematic diagram of the explosion structure of the flow regulating device of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the substrate of the utility model;

[0017] Figure 6 This is a schematic diagram of the structure of the flow regulating fixed component of the utility model;

[0018] Figure 7 This is a schematic diagram of the exploded structure of the front view of the flow regulating fixing component of the utility model;

[0019] Figure 8 This is a schematic diagram of the exploded structure of the rear view of the flow regulating fixing component of the utility model;

[0020] 1. Liquid cooling plate body; 11. Base plate; 110. Flow regulating installation groove; 111. Rebound hole; 112. Fixing hole; 113. Sealing ring installation position; 12. Cover plate; 120. Card slot; 13. Flow channel guide plate; 14. Cooling channel; 15. Groove; 2. Inlet channel; 3. Outlet channel; 4. Flow regulating device; 41. Flow regulating plate; 410. Flow opening; 42. Flow regulating fixing component; 420. Flow regulating fixing block; 4201. Rebound spring through hole; 4202. Fixed spring through hole; 4203. Slide groove; 421. Flow regulating rebound spring; 422. Flow regulating fixed spring; 423. Flow regulating rebound clamp; 424. Flow regulating fixed clamp; 425. Flow regulating movable protrusion; 43. Sealing ring. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0022] 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.

[0023] 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.

[0024] Refer to Figure 1-2 As shown, a liquid cooling plate with adjustable flow rate includes a liquid cooling plate body 1, an inlet channel 2, and an outlet channel 3. The inlet channel 2 is provided on the left side of the liquid cooling plate body 1, and the outlet channel 3 is provided on the right side of the liquid cooling plate body 1. A plurality of flow channel guide plates 13 are provided inside the liquid cooling plate body 1, and the plurality of flow channel guide plates 13 are distributed at equal intervals. The liquid cooling plate body 1 also includes a flow regulating device 4. The flow channel guide plates 13 inside the liquid cooling plate body 1 are provided with a flow regulating device 4. The flow regulating device 4 can control the flow of each cooling channel 14 inside the liquid cooling plate body 1, so as to achieve uniform heat dissipation of the battery cell, make the battery cell work in a suitable temperature range, reduce the temperature difference between the battery cells, and make the battery pack have better temperature uniformity.

[0025] Preferably, the liquid cooling plate body 1 includes a substrate 11 and a cover plate 12. The cover plate 12 is provided above the substrate 11. A slot 120 is provided on the inner side of the cover plate 12. The slot 120 on the inner side of the cover plate 12 is embedded in the flow regulating plate 41 of the flow regulating device 4. A plurality of equally spaced flow channel guide plates 13 are provided on the substrate 11. A cooling channel 14 is provided between two flow channel guide plates 13. A plurality of flow channel guide plates 13 are provided with grooves 15. The grooves 15 and the cooling channels 14 are interconnected. The flow regulating device 4 is embedded in the grooves 15 on the flow channel guide plates 13 of the substrate 11. One end of the cooling channel 14 is connected to the inlet channel 2, and the other end of the cooling channel 14 is connected to the outlet channel 3. The cover plate 12 seamlessly connects the substrate 11, the flow channel guide plates 13, the cooling channel 14, and the flow regulating device 4 to the substrate 11.

[0026] Refer to Figure 5 As shown, a flow regulating installation groove 110 is provided on one side of the substrate 11 , a fixing hole 111 and a rebound hole 112 are respectively provided on the inner side wall of the flow regulating installation groove 110 , and a sealing ring installation position 113 is provided between the flow regulating installation groove 110 and the groove 15 .

[0027] Refer to Figure 3-4 As shown, the flow regulating device 4 includes a flow regulating plate 41, a flow regulating fixing component 42, and a sealing ring 43. The flow regulating plate 41 is embedded in the groove 15 on the flow channel guide plate 13. The flow regulating plate 41 is provided with a plurality of flow openings 410. The flow openings 410 are interconnected with the cooling channel 14. The flow regulating fixing components 42 are provided on the left and right sides of the flow regulating plate 41. The sealing ring 43 is embedded in the sealing ring installation position 113 between the flow regulating installation groove 110 and the groove 15. The sealing ring 43 seamlessly connects the flow regulating plate 41 and the groove 15 on the flow channel guide plate 14 to the substrate 11.

[0028] Refer to Figure 6-8As shown, the flow regulating fixed component 42 includes a flow regulating fixed block 420, a flow regulating fixed spring 421, a flow regulating rebound spring 422, a flow regulating fixed clamp 423, a flow regulating rebound clamp 424, and a flow regulating movable protrusion 425. The flow regulating fixed block 420 is respectively installed on the left and right sides of the flow regulating plate 41. A fixed spring through hole 4202 is provided at the front end of the flow regulating fixed block 420, a rebound spring through hole 4201 is provided on one side of the flow regulating fixed block 420, a slide groove 4203 is provided on the front side of the flow regulating fixed block 420, one end of the flow regulating fixed spring 421 is embedded in the fixed spring through hole 4202 at the front end of the flow regulating fixed block 420, and the flow regulating fixed spring The other end of the spring 421 is connected to the flow regulating fixed clamp 423, and the flow regulating fixed clamp 423 is against the fixed hole 111 on the inner wall of the flow regulating mounting groove 110. One end of the flow regulating rebound spring 422 is embedded in the rebound spring through hole 4201 on one side of the flow regulating fixed block 420. The other end of the flow regulating rebound spring 422 is connected to the flow regulating rebound clamp 424, and the flow regulating rebound clamp 424 is against the rebound hole 112 on the inner wall of the flow regulating mounting groove 110. The flow regulating fixed clamp 423 is provided with a flow regulating movable protrusion 425, and the flow regulating movable protrusion 425 can move left and right in the slide groove 4203 on the front side of the flow regulating fixed block 420.

[0029] Preferably, the flow regulating movable protrusion 425 is T-shaped.

[0030] The working principle is as follows: when the liquid cooling plate body 1 is used to dissipate heat for the battery pack, there is no need to redesign the liquid cooling plate body 1 for different cell module structure layouts of the battery pack. Instead, different flow regulating plates 41 need only be designed. By adjusting the flow area of ​​each flow opening 410 on the flow regulating plate 41, the flow of each cooling channel 14 in the liquid cooling plate body 1 can be reasonably distributed to achieve uniform heat dissipation of the cell, so that the cell works in a suitable temperature range, the temperature difference between the cells is reduced, the temperature uniformity of the battery pack is better, the service life of the battery pack is extended, and the cost of replacing the liquid cooling plate body 1 is reduced. Secondly, the flow regulating fixing component 42 can be used to achieve rapid installation and disassembly of the flow regulating plate 41. The overall structure is reasonable, easy to assemble, easy to operate, and cleverly designed.

[0031] 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 liquid cooling plate with adjustable flow, comprising a liquid cooling plate body, an inlet channel, and an outlet channel, wherein the inlet channel is arranged on the left side of the liquid cooling plate body, the outlet channel is arranged on the right side of the liquid cooling plate body, and a plurality of flow channel guide plates are arranged inside the liquid cooling plate body, and the plurality of flow channel guide plates are distributed at equal intervals, characterized in that: It also includes a flow regulating device. A flow regulating device is provided on the flow channel guide plate inside the liquid cooling plate body. The flow regulating device can control the flow of each flow channel inside the liquid cooling plate body to achieve uniform heat dissipation of the battery cells, make the battery cells work in a suitable temperature range, reduce the temperature difference between the battery cells, and make the battery pack have better temperature uniformity.

2. The flow-adjustable liquid cooling plate according to claim 1, characterized in that: The liquid cooling plate body includes a base plate and a cover plate. The base plate is provided with a cover plate above the base plate. A slot is provided on the inner side of the cover plate. The slot on the inner side of the cover plate is embedded in the flow regulating plate of the flow regulating device. A plurality of equally spaced flow channel guide plates are provided on the base plate. A cooling channel is provided between two flow channel guide plates. A plurality of flow channel guide plates are provided with grooves. The grooves and the cooling channels are interconnected. The flow regulating device is embedded in the grooves on the flow channel guide plates of the base plate. One end of the cooling channel is connected to the inlet channel, and the other end of the cooling channel is connected to the outlet channel. The base plate, the flow channel guide plates, the cooling channel, and the flow regulating device are seamlessly connected and fastened to the base plate by the cover plate.

3. The flow-adjustable liquid cooling plate according to claim 2, characterized in that: A flow regulating installation groove is provided on one side of the base plate, a fixing hole and a rebound hole are respectively provided on the inner side wall of the flow regulating installation groove, and a sealing ring installation position is provided between the flow regulating installation groove and the groove.

4. The flow-adjustable liquid cooling plate according to claim 3, characterized in that: The flow regulating device includes a flow regulating plate, a flow regulating fixing component, and a sealing ring. The flow regulating plate is embedded in a groove on the flow channel guide plate. The flow regulating plate is provided with a plurality of flow openings, and the flow openings are interconnected with the cooling channel. Flow regulating fixing components are provided on the left and right sides of the flow regulating plate. The sealing ring is embedded in a sealing ring installation position between the flow regulating installation groove and the groove. The sealing ring seamlessly connects the flow regulating plate and the groove on the flow channel guide plate and snaps them onto the substrate.

5. The flow-adjustable liquid cooling plate according to claim 4, characterized in that: The flow regulating fixed component comprises a flow regulating fixed block, a flow regulating fixed spring, a flow regulating rebound spring, a flow regulating fixed clamp, a flow regulating rebound clamp and a flow regulating movable convex head. The flow regulating fixed blocks are respectively mounted on the left and right sides of the flow regulating plate. A fixed spring through hole is provided at the front end of the flow regulating fixed block, a rebound spring through hole is provided on one side of the flow regulating fixed block, a slide groove is provided on the front side of the flow regulating fixed block, one end of the flow regulating fixed spring is embedded in the fixed spring through hole at the front end of the flow regulating fixed block, the other end of the flow regulating fixed spring is connected to the flow regulating fixed clamp, the flow regulating fixed clamp is abutted against the fixed hole on the inner side wall of the flow regulating installation groove, one end of the flow regulating rebound spring is embedded in the rebound spring through hole on one side of the flow regulating fixed block, the other end of the flow regulating rebound spring is connected to the flow regulating rebound clamp, the flow regulating rebound clamp is abutted against the rebound hole on the inner side wall of the flow regulating installation groove, a flow regulating movable convex head is provided on the flow regulating fixed clamp, and the flow regulating movable convex head can move left and right in the slide groove on the front side of the flow regulating fixed block.

6. The flow-adjustable liquid cooling plate according to claim 5, characterized in that: The flow regulating movable protrusion is in a T-shape.

Images