Liquid cooling plate with detachable flow channel baffle fins
By designing a liquid-cooled plate with removable runner baffle fins, the problem that the existing liquid-cooled plate cannot adjust the runner flow rate is solved, achieving uniform heat dissipation and cost reduction of the battery cell.
Patent Information
- Application Number
- CN202421140879.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing liquid-cooled plate design cannot adjust the flow channel according to the layout of the battery cell module, resulting in uneven heat dissipation of the battery cell, affecting the battery performance and life. It also needs to be redesigned when replacing the liquid-cooled plate, which increases production costs.
A liquid-cooled plate with detachable flow channel baffle fins is designed. By dismantling and replacing the flow baffle fins with different structural layouts, the flow distribution of the flow channel inside the liquid-cooled plate is changed to achieve uniform heat dissipation of the battery cell.
The uniform heat dissipation of the battery cell is achieved, reducing the cost of replacing the liquid-cooled plate body, and the baffle fin structure can be quickly installed and disassembled, with a reasonable overall structure and easy to assemble and operate.
Smart Images

Figure CN222507761U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid cooling plates, in particular to a liquid cooling plate with detachable flow channel baffle fins. 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 cold plate liquid cooling system 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 detachable flow channel baffle fins. By simply removing and replacing the flow channel baffle fins with different structural layouts, the internal flow channel of the liquid cooling plate body can be changed to reasonably distribute the flow of each flow channel in the liquid cooling plate body, thereby achieving uniform heat dissipation of the battery cell and reducing the cost of replacing the liquid cooling plate body. The baffle fin structure on the fin component can be quickly installed and disassembled, the overall structure is reasonable, easy to assemble, easy to operate, and cleverly designed.
[0004] The utility model is realized by the following technical solutions:
[0005] A liquid cooling plate with a detachable flow channel baffle fin comprises a liquid cooling plate body, an inlet nozzle, an outlet nozzle, a fin component, and a fin end plate. The inlet nozzle and the outlet nozzle are respectively provided at both ends of the liquid cooling plate body. The liquid cooling plate body is provided with a fin component inside. One side of the liquid cooling plate body is provided with an opening. The opening on one side of the liquid cooling plate body is provided with a detachable fin end plate. The fin end plate seamlessly connects the fin component and the opening on one side of the liquid cooling plate body to the liquid cooling plate body.
[0006] As a further feature, a sealing ring is provided between the fin end plate and an opening on one side of the liquid cooling plate body.
[0007] Further, the liquid cooling plate body includes a substrate and a cover plate, a cavity is provided inside the substrate, grooves are provided at both ends of the cavity, grooves are provided at both ends of the cover plate, a fin component is provided inside the cavity, and both ends of the fin component are embedded in the grooves inside the cavity and at both ends of the cover plate, a sealing ring groove is provided on the inner side wall of the opening on one side of the substrate, and the sealing ring is embedded in the sealing ring groove on the inner side wall of the opening on one side of the substrate, a convex through hole is provided on the outer side wall of the opening on one side of the substrate, a cover plate is provided above the substrate, and a sealing ring groove is also provided on one side of the cover plate, and the cover plate seamlessly connects the substrate, the fin component, and the sealing ring to the substrate.
[0008] As a further step, through holes are provided at both ends of the fin end plate, and card grooves are provided on the outer side walls at both ends of the fin end plate, and the card grooves and the through holes are interconnected, and a fixing device is provided on the fin end plate, and the fixing device includes a fixing spring, a fixing protrusion, and a movable clamping head. One end of the fixing spring is embedded in the through holes at both ends of the fin end plate, and the other end of the fixing spring is connected to one end of the fixing protrusion, and the other end of the fixing protrusion is embedded in the protrusion through hole of the outer side wall of the opening on one side of the substrate, and the fin end plate is locked on the substrate, and one end of the movable clamping head passes through the card groove of the outer side wall of the fin end plate and is connected to the fixed protrusion, and the movable clamping head drives the fixed protrusion to slide in the card groove.
[0009] Further, the fin component includes a baffle fin and a baffle fin fixing plate. A plurality of baffle fins are provided in the internal cavity of the base plate. A channel is formed between two baffle fins. Baffle fin fixing plates are provided at both ends of the baffle fin. The baffle fin fixing plates are embedded in the grooves at both ends of the base plate cavity and the cover plate, and are decomposed into two flow areas, one of which is connected to one end of the baffle fin and the inlet nozzle, and the other is connected to the other end of the baffle fin and the outlet nozzle.
[0010] As a further feature, the movable clamping head is in a T-shape.
[0011] As a further feature, the fixed protrusion and the movable clamping head are integrally formed.
[0012] The beneficial effects of the utility model are that the internal flow channel of the liquid cooling plate body can be changed to reasonably distribute the flow of each flow channel in the liquid cooling plate body, thereby achieving uniform heat dissipation of the battery cell and reducing the cost of replacing the liquid cooling plate body. The baffle fin structure on the fin component 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
[0013] Figure 1It is a schematic diagram of the structure of the liquid cooling plate with detachable flow channel baffle fins of the utility model;
[0014] Figure 2 It is a schematic diagram of the exploded structure of the liquid cooling plate with detachable flow channel baffle fins of the utility model;
[0015] Figure 3 It is a schematic diagram of the liquid cooling structure of the utility model with the detachable flow channel baffle fins without the upper cover;
[0016] Figure 4 This is a schematic diagram of the structure of the substrate of the utility model;
[0017] Figure 5 This is a schematic diagram of the fin end plate structure of the utility model;
[0018] Figure 6 This is a schematic diagram of the explosion structure of the fin end plate of the utility model;
[0019] Figure 7 This is a schematic diagram of the structure of the fixing device of the utility model;
[0020] Figure 8 This is a schematic diagram of the explosion structure of the fixing device of the utility model;
[0021] Figure numerals: 1. liquid cooling plate body; 11. opening; 12. substrate; 120. cavity; 121. groove; 122. sealing ring groove; 123. convex head through hole; 124. flow area; 13. cover plate; 2. inlet nozzle; 3. outlet nozzle; 4. fin component; 41. baffle fin; 42. baffle fin fixing plate; 5. fin end plate; 51. through hole; 52. slot; 53. fixing device; 530. fixing spring; 531. fixing convex head; 532. movable clamping head; 6. sealing ring. DETAILED DESCRIPTION
[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:
[0023] 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.
[0024] 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.
[0025] Refer to Figure 1-3 As shown, a liquid cooling plate with a detachable flow channel baffle fin comprises a liquid cooling plate body 1, an inlet nozzle 2, an outlet nozzle 3, a fin component 4, and a fin end plate 5. The inlet nozzle 2 and the outlet nozzle 3 are respectively provided at both ends of the liquid cooling plate body 1. The fin component 4 is provided inside the liquid cooling plate body 1. An opening 11 is provided on one side of the liquid cooling plate body 1. A detachable fin end plate 5 is provided on the opening 11 on one side of the liquid cooling plate body 1. The fin end plate 5 seamlessly connects the fin component 4 and the opening 11 on one side of the liquid cooling plate body 1 and snaps them onto the liquid cooling plate body 1.
[0026] Preferably, a sealing ring 6 is provided between the fin end plate 5 and the opening 11 on one side of the liquid cooling plate body 1 .
[0027] Refer to Figure 4 As shown, the liquid cooling plate body 1 includes a substrate 12 and a cover plate 13. A cavity 120 is provided inside the substrate 12. Grooves 121 are provided at both ends of the cavity 120. Grooves are provided at both ends of the cover plate 13. A fin component 4 is provided inside the cavity 120. Both ends of the fin component 4 are embedded in the grooves 121 at both ends of the cavity 120 and the cover plate 13. A sealing ring groove 122 is provided on the inner side wall of the opening 11 on one side of the substrate 12. The sealing ring 6 is embedded in the sealing ring groove 122 on the inner side wall of the opening 11 on one side of the substrate 12. A convex through hole 123 is provided on the outer side wall of the opening 11 on one side of the substrate 12. A cover plate 13 is provided above the substrate 12. A sealing ring groove is also provided on one side of the cover plate 13. The cover plate 13 seamlessly connects the substrate 12, the fin component 4, and the sealing ring 6 to the substrate 12.
[0028] Refer to Figure 5-8As shown, through holes 51 are provided at both ends of the fin end plate 5, and slots 52 are provided on the outer side walls at both ends of the fin end plate 5. The slots 52 and the through holes 51 are interconnected. A fixing device 53 is provided on the fin end plate 5, and the fixing device 53 includes a fixing spring 530, a fixing protrusion 531, and a movable clamping head 532. One end of the fixing spring 530 is embedded in the through holes 51 at both ends of the fin end plate 5, and the other end of the fixing spring 530 is connected to one end of the fixing protrusion 531. The other end of the fixing protrusion 531 is embedded in the protrusion through hole 123 of the outer side wall at the opening 11 on one side of the substrate 12, and the fin end plate 5 is locked on the substrate 12. One end of the movable clamping head 532 passes through the slot 52 on the outer side wall of the fin end plate 5 and is connected to the fixing protrusion 531. The movable clamping head 532 drives the fixing protrusion 531 to slide in the slot 52.
[0029] Preferably, the fin component 4 includes a baffle fin 41 and a baffle fin fixing plate 42. A plurality of baffle fins 41 are provided in the internal cavity 120 of the base plate 12. A channel is formed between two baffle fins 41. Baffle fin fixing plates 42 are provided at both ends of the baffle fin 41. The baffle fin fixing plates 42 are embedded in the grooves 121 at both ends of the cavity 120 of the base plate 12 and the cover plate 13, and are decomposed into two flow areas 124, one of which is connected to one end of the baffle fin 41 and the inlet nozzle 2, and the other is connected to the other end of the baffle fin 41 and the outlet nozzle 3.
[0030] Preferably, the movable clamping head 532 is T-shaped.
[0031] Preferably, the fixed protrusion and the movable clamping head are integrally formed.
[0032] The working principle is as follows: when the liquid cooling plate body 1 is used to dissipate the heat of the battery pack, for different cell module structure layouts of the battery pack, there is no need to replace the liquid cooling plate body 1. It is only necessary to disassemble and replace the baffle fins 41 with flow channels of different structural layouts, so as to change the internal flow channels of the liquid cooling plate body 1 to reasonably distribute the flow rates of each flow channel in the liquid cooling plate body 1, thereby achieving uniform heat dissipation of the cells, making the cells work in a suitable temperature range, reducing the temperature difference between the cells, making the battery pack more uniform in temperature, extending the service life of the battery pack, and reducing the cost of replacing the liquid cooling plate body 1; secondly, the baffle fin 41 structure can be quickly installed and disassembled, the overall structure is reasonable, easy to assemble, easy to operate, and cleverly 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 liquid cooling plate with detachable flow channel baffle fins, characterized in that: It includes a liquid cooling plate body, an inlet nozzle, an outlet nozzle, a fin component, and a fin end plate. The inlet nozzle and the outlet nozzle are respectively provided at both ends of the liquid cooling plate body. The liquid cooling plate body is provided with a fin component inside. One side of the liquid cooling plate body is provided with an opening. The opening on one side of the liquid cooling plate body is provided with a detachable fin end plate. The fin end plate seamlessly connects the fin component and the opening on one side of the liquid cooling plate body to the liquid cooling plate body.
2. The liquid cooling plate with detachable flow channel baffle fins according to claim 1, characterized in that: A sealing ring is provided between the fin end plate and an opening on one side of the liquid cooling plate body.
3. The liquid cooling plate with detachable flow channel baffle fins according to claim 2, characterized in that: The liquid cooling plate body includes a base plate and a cover plate, a cavity is provided inside the base plate, grooves are provided at both ends of the cavity, grooves are provided at both ends of the cover plate, a fin component is provided inside the cavity, and both ends of the fin component are embedded in the grooves inside the cavity and at both ends of the cover plate, a sealing ring groove is provided on the inner side wall of the opening on one side of the base plate, the sealing ring is embedded in the sealing ring groove on the inner side wall of the opening on one side of the base plate, a convex through hole is provided on the outer side wall of the opening on one side of the base plate, a cover plate is provided above the base plate, and a sealing ring groove is also provided on one side of the cover plate, and the cover plate seamlessly connects the base plate, the fin component, and the sealing ring to the base plate.
4. The liquid cooling plate with detachable flow channel baffle fins according to claim 3, characterized in that: Through holes are provided at both ends of the fin end plate, and card grooves are provided on the outer side walls at both ends of the fin end plate, and the card groove and the through hole are interconnected. A fixing device is provided on the fin end plate, and the fixing device includes a fixing spring, a fixing protrusion, and a movable clamping head. One end of the fixing spring is embedded in the through holes at both ends of the fin end plate, and the other end of the fixing spring is connected to one end of the fixing protrusion, and the other end of the fixing protrusion is embedded in the protrusion through hole of the outer side wall of the opening on one side of the substrate, and the fin end plate is locked on the substrate, and one end of the movable clamping head passes through the card groove of the outer side wall of the fin end plate and is connected to the fixed protrusion, and the movable clamping head drives the fixed protrusion to slide in the card groove.
5. The liquid cooling plate with detachable flow channel baffle fins according to claim 3, characterized in that: The fin component includes a baffle fin and a baffle fin fixing plate. A plurality of baffle fins are provided in the internal cavity of the base plate. A channel is formed between two baffle fins. Baffle fin fixing plates are provided at both ends of the baffle fin. The baffle fin fixing plates are embedded in the grooves at both ends of the base plate cavity and the cover plate, and are decomposed into two flow areas, one of which is connected to one end of the baffle fin and the inlet nozzle, and the other is connected to the other end of the baffle fin and the outlet nozzle.
6. The liquid cooling plate with detachable flow channel baffle fins according to claim 4, characterized in that: The movable clamping head is in a T-shape.
7. The liquid cooling plate with detachable flow channel baffle fins according to claim 4, characterized in that: The fixed protrusion and the movable clamping head are integrally formed.