New energy automobile water cooling plate structure
By designing an intermediate inlet and outlet water channel structure and an automatic filtration system in the water cooling plate of new energy vehicles, the problems of low space utilization and water channel blockage are solved, and higher space utilization and smooth flow channels are achieved.
Patent Information
- Application Number
- CN202510716427.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2025-09-19
AI Technical Summary
The existing water-cooling plate structure has low space utilization and the water channel is easily blocked.
Design the middle inlet and middle outlet structure, set up the water inlet support and the water outlet support, and install the filter shell and filter screen in the water inlet support. Through the cooperation of the sealing plate and the top rod, automatic filtration is achieved to prevent foreign matter from entering the waterway.
It improves the space utilization of the battery pack, increases the module area, prevents water channel blockage, and ensures smooth circulation of the coolant.
Smart Images

Figure CN120674654A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a water cooling plate, and in particular to a water cooling plate structure for a new energy vehicle. Background Art
[0002] With the rapid development of new energy electric vehicles, a wide variety of new energy vehicles are emerging. The types of batteries, considered the lifeblood of these vehicles, are also increasing. Consequently, the requirements for liquid cooling plates, key components within these batteries, are becoming increasingly stringent. Existing liquid cooling plate structures suffer from the following issues: 1. The water nozzles are located on both sides of the upper cold plate, leaving a large area in the middle for piping and electrical components, compressing the module space and reducing space utilization. 2. The nozzle supports on the cold plate lack filtering capabilities, making the internal water channels easily clogged. Summary of the Invention
[0003] The purpose of the present invention is to provide a water-cooling plate structure for new energy vehicles, which solves the problems of low space utilization and easy blockage of internal water channels in the existing water-cooling plate structure design.
[0004] To achieve the above-mentioned object, the present invention provides a water-cooling plate structure for a new energy vehicle, the water-cooling plate structure for a new energy vehicle comprising a lower cold plate and an upper cold plate connected to each other, a water channel structure being formed between the lower cold plate and the upper cold plate;
[0005] The waterway structure includes a U-shaped water inlet and a U-shaped water outlet arranged in the middle;
[0006] Both ends of the U-shaped water inlet channel are connected to the U-shaped water outlet channel through winding water channels;
[0007] A water inlet support and a water outlet support are respectively provided in the middle of the lower cold plate. The water inlet support is connected to the middle of the U-shaped water inlet channel through a first bend pipe; the water outlet support is connected to the middle of the U-shaped water outlet channel through a second bend pipe.
[0008] Preferably, the ends of the water inlet support and the water outlet support are both provided with water nozzles.
[0009] Preferably, a filter housing is provided in the water inlet support, an opening is formed at one end of the filter housing, and a filter screen is provided at the other end.
[0010] Preferably, a sealing plate is provided in the water inlet support near the opening, so that the sealing plate can cover the opening;
[0011] A mounting seat is provided on one side of the water inlet support close to the filter screen, a push rod is slidably provided on the mounting seat, a limiting ring is provided on the push rod, a spring is sleeved on the push rod located between the limiting ring and the mounting seat, and the end of the push rod is in contact with the filter housing.
[0012] Preferably, a sealing gasket is provided on the surface of the sealing plate.
[0013] Preferably, a first baffle is provided in the filter housing near the opening, and second baffles are provided on the side walls of the filter housing, so that a U-shaped channel is formed between the first baffle and the second baffle.
[0014] Preferably, a first opening is formed at the upper end of the filter housing;
[0015] A second opening is formed at the upper end of the water inlet support, and a cover plate is provided on the second opening. The cover plate can cover the first opening.
[0016] Preferably, a mounting piece is formed on the edge of the second opening, and the cover is fastened to the mounting piece by a screw assembly.
[0017] Preferably, a rubber pad is provided on the back side of the cover plate.
[0018] Beneficial effects: The present invention provides a water-cooling plate structure for new energy vehicles, which includes a lower cold plate and an upper cold plate connected to each other, with a water channel structure formed between the lower cold plate and the upper cold plate; the water channel structure includes a U-shaped water inlet channel and a U-shaped water outlet channel arranged in the middle; both ends of the U-shaped water inlet channel are connected to the U-shaped water outlet channel through a winding water channel; a water inlet support and a water outlet support are respectively provided in the middle of the lower cold plate, the water inlet support is connected to the middle of the U-shaped water inlet channel through a first bend pipe; the water outlet support is connected to the middle of the U-shaped water outlet channel through a second bend pipe. The water-cooling plate structure for new energy vehicles provided by the present invention has a main channel of the water-cooling plate designed to enter and exit from the middle, the water inlet support and the water outlet support are both designed in the middle position, and the distance between the two supports is small, which can improve the space utilization of the battery pack, increase the module area, and enable the battery pack to accommodate more battery cells.
[0019] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following detailed description, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:
[0021] Figure 1This is a structural diagram of the water cooling plate structure of a new energy vehicle provided by the present invention;
[0022] Figure 2 This is a top view of the lower cold plate in the water-cooling plate structure of a new energy vehicle provided by the present invention;
[0023] Figure 3 This is a structural diagram of the water inlet support in the water cooling plate structure of a new energy vehicle provided by the present invention;
[0024] Figure 4 This is a disassembled diagram of the water inlet support in the water cooling plate structure of a new energy vehicle provided by the present invention;
[0025] Figure 5 This is a first state diagram of the water inlet support in the water cooling plate structure of a new energy vehicle provided by the present invention;
[0026] Figure 6 This is a second state diagram of the water inlet support in the new energy vehicle water cooling plate structure provided by the present invention.
[0027] Description of Reference Numerals
[0028] 1-lower cold plate; 2-upper cold plate; 3-water inlet support; 4-water outlet support; 5-winding waterway; 6-water nozzle; 7-first elbow; 8-second elbow; 31-cover plate; 32-mounting plate; 33-sealing plate; 34-mounting seat; 35-limiting ring; 36-top rod; 37-filter housing; 38-first baffle; 39-second baffle; 310-filter screen; 311-opening. DETAILED DESCRIPTION
[0029] The following describes the specific embodiments of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.
[0030] like Figure 1-6As shown: The present invention provides a new energy vehicle water cooling plate structure, the new energy vehicle water cooling plate structure includes a lower cold plate 1 and an upper cold plate 2 connected to each other, a water channel structure is formed between the lower cold plate 1 and the upper cold plate 2; the water channel structure includes a U-shaped water inlet channel and a U-shaped water outlet channel arranged in the middle; the two ends of the U-shaped water inlet channel are connected to the U-shaped water outlet channel through a winding water channel 5; the middle of the lower cold plate 1 is provided with a water inlet support 3 and a water outlet support 4, the water inlet support 3 is connected to the middle of the U-shaped water inlet channel through a first bend 7; the water outlet support 4 is connected to the middle of the U-shaped water outlet channel through a second bend 8. The new energy vehicle water cooling plate structure provided by the present invention has a main channel of the water cooling plate designed to enter and exit from the middle, the water inlet support and the water outlet support are both designed in the middle position, and the distance between the two supports is small, which can improve the space utilization of the battery pack, increase the module area, and enable the battery pack to accommodate more battery cells.
[0031] In a preferred embodiment of the present invention, to facilitate the connection between the water inlet and outlet supports and the pipes, the ends of the water inlet support 3 and the water outlet support 4 are both provided with water nozzles 6. The water inlet and outlet supports are connected to the water tank via pipes, and a water pump is provided in the water tank to circulate the coolant in the water-cooled plate.
[0032] In a preferred embodiment of the present invention, in order to filter the water flow passing through the water inlet support and prevent foreign matter from entering the flow channel of the water-cooled plate and causing blockage, a filter shell 37 is provided in the water inlet support 3, and an opening 311 is formed at one end of the filter shell 37, and a filter screen 310 is provided at the other end.
[0033] In a preferred embodiment of the present invention, a sealing plate 33 is provided in the water inlet support 3 near the opening 311, so that the sealing plate 33 can cover the opening 311; a mounting seat 34 is provided in the water inlet support 3 on one side near the filter 310, and a push rod 36 is slidably provided on the mounting seat 34, and a limiting ring 35 is provided on the push rod 36. A spring is sleeved on the push rod 36 located between the limiting ring 35 and the mounting seat 34, and the end of the push rod 36 is in contact with the filter housing 37. When the water pump is working. Figure 6 As shown, the circulating cooling water passes through the water inlet support, and the water flow pushes the filter housing 37 to move, thereby compressing the spring, separating the sealing plate 33 and the opening 311, and the water flows into the water cooling plate after being filtered by the filter screen inside the filter housing 37, thereby preventing foreign matter from clogging the flow channel inside the water cooling plate. When the water pump stops working, as shown in FIG. Figure 5 As shown, the filter housing is reset under the action of the spring and the push rod, so that the sealing plate blocks the inlet, preventing foreign matter entering the filter housing from flowing back into the water tank or the water pipe connected to the water nozzle, which is convenient for regular centralized cleaning.
[0034] In a preferred embodiment of the present invention, in order to improve the sealing performance of the sealing plate, a sealing gasket is provided on the surface of the sealing plate 33 .
[0035] In a preferred embodiment of the present invention, in order to further prevent the backflow of foreign matter in the filter housing, a first baffle 38 is provided in the filter housing 37 near the opening 311, and a second baffle 39 is provided on the side walls of the filter housing 37, so that a U-shaped channel is formed between the first baffle 38 and the second baffle 39.
[0036] In a preferred embodiment of the present invention, in order to facilitate the removal of the filter housing from the water inlet support and centralized cleaning, a first opening is formed at the upper end of the filter housing 37;
[0037] A second opening is formed at the upper end of the water inlet support 3 , and a cover plate 31 is provided on the second opening. The cover plate 31 can cover the first opening.
[0038] In a preferred embodiment of the present invention, in order to facilitate installation and removal of the cover plate, a mounting piece 32 is formed on the edge of the second opening, and the cover plate 31 is fastened to the mounting piece 32 by a screw assembly.
[0039] In a preferred embodiment of the present invention, in order to improve the sealing performance of the cover plate, a rubber pad is provided on the back side of the cover plate 31 .
[0040] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the scope of protection of the present invention.
[0041] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.
[0042] In addition, the various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.
Claims
1. A water cooling plate structure for new energy vehicles, characterized in that: The new energy vehicle water-cooling plate structure comprises a lower cold plate (1) and an upper cold plate (2) connected to each other, wherein a water channel structure is formed between the lower cold plate (1) and the upper cold plate (2); The waterway structure includes a U-shaped water inlet and a U-shaped water outlet arranged in the middle; Both ends of the U-shaped water inlet channel are connected to the U-shaped water outlet channel through a winding water channel (5); A water inlet support (3) and a water outlet support (4) are respectively provided in the middle of the lower cold plate (1); the water inlet support (3) is connected to the middle of the U-shaped water inlet channel through a first bend (7); and the water outlet support (4) is connected to the middle of the U-shaped water outlet channel through a second bend (8).
2. The water cooling plate structure of a new energy vehicle according to claim 1, characterized in that: The ends of the water inlet support (3) and the water outlet support (4) are both provided with water nozzles (6).
3. The water cooling plate structure of a new energy vehicle according to claim 1, characterized in that: A filter housing (37) is provided in the water inlet support (3); an opening (311) is formed at one end of the filter housing (37), and a filter screen (310) is provided at the other end.
4. The water cooling plate structure of a new energy vehicle according to claim 3, characterized in that: A sealing plate (33) is provided in the water inlet support (3) near the opening (311), so that the sealing plate (33) can shield the opening (311); A mounting seat (34) is provided on one side of the water inlet support (3) close to the filter screen (310), a push rod (36) is slidably provided on the mounting seat (34), a limiting ring (35) is provided on the push rod (36), a spring is sleeved on the push rod (36) located between the limiting ring (35) and the mounting seat (34), and an end of the push rod (36) is in contact with the filter housing (37).
5. The water cooling plate structure of a new energy vehicle according to claim 4, characterized in that: A sealing gasket is provided on the surface of the sealing plate (33).
6. The water cooling plate structure of a new energy vehicle according to claim 4, characterized in that: A first baffle (38) is provided in the filter housing (37) near the opening (311), and second baffles (39) are provided on the side walls of the filter housing (37), so that a U-shaped channel is formed between the first baffle (38) and the second baffle (39).
7. The water cooling plate structure of a new energy vehicle according to claim 4, characterized in that: The upper end of the filter housing (37) is formed with a first opening; A second opening is formed at the upper end of the water inlet support (3), and a cover plate (31) is provided on the second opening. The cover plate (31) can cover the first opening.
8. The water cooling plate structure of a new energy vehicle according to claim 7, characterized in that: A mounting piece (32) is formed on the edge of the second opening, and the cover plate (31) is fastened to the mounting piece (32) by a screw assembly.
9. The water cooling plate structure of a new energy vehicle according to claim 8, characterized in that: A rubber pad is provided on the back side of the cover plate (31).