CN210468043U - Water cooling plate structure of power battery - Google Patents

Abstract

The utility model discloses a power battery water-cooling board structure, including water-cooling upper plate and water-cooling hypoplastron, water-cooling upper plate upper surface is equipped with water inlet and delivery port respectively, and evenly distributed has the vortex bump in the first heat dissipation region of water-cooling hypoplastron and the second heat dissipation region, also forms the clearance between each bump, and the water inlet of water-cooling upper plate corresponds first heat dissipation region upper portion region, and the delivery port of water-cooling upper plate corresponds first heat dissipation region lower part region. The salient point design of the water-cooling lower plate has a turbulent flow effect, and heat exchange between fluids can be effectively increased. The I-shaped structural design of the inside of the water-cooling lower plate increases the heat exchange effect between the two flow channels. The design of the water cooling plate increases the heat dissipation area of the cold plate to the maximum extent under the condition that the fluid effectively flows, so that the local temperature difference of the power battery is minimum under the stable condition. The temperature uniformity among the power battery modules is improved. The water nozzles at the inlet and the outlet are arranged on the same side, so that the arrangement of the water pipeline is more concise and convenient.

Description

Water cooling plate structure of power battery

Technical Field

The utility model belongs to the technical field of the technique of battery water cooling system and specifically relates to a power battery water cooling board structure, in particular to mechanical connection structure.

Background

For the existing water cooling plate, a plurality of flow channels are arranged on the surface of the water cooling plate to circulate heat dissipation water, the flow channels are arranged in series or in parallel, and the length and the width of each flow channel are generally consistent. Welding is typically performed by friction stir welding or brazing.

The flow form is simple, the heat exchange effect is poor, and the heat dissipation requirement of the power battery with increasing heat productivity at present can not be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power battery water-cooling plate structure solves the problem that the power battery water-cooling plate heat-sinking capability that exists at present is low. Overcomes the defects in the prior art.

In order to realize the purpose, the technical scheme of the utility model is that: a water cooling plate structure of a power battery comprises a water cooling upper plate and a water cooling lower plate, wherein the water cooling upper plate covers the upper surface of the water cooling lower plate, the upper surface of the water cooling upper plate is respectively provided with a water inlet and a water outlet, the edge of the upper surface of the water cooling upper plate forms a surrounding flange, the middle part of the upper surface of the water cooling upper plate forms an I-shaped separating convex rib, the I-shaped separating convex rib comprises a first transverse convex rib, a second transverse convex rib and a first longitudinal convex rib, the first transverse convex rib and the second transverse convex rib are distributed in an up-down parallel manner, the first longitudinal convex rib is respectively vertical to the first transverse convex rib and the second transverse convex rib, one side of the surrounding flange extends towards the first longitudinal convex rib to form a third transverse convex rib, the third transverse convex rib is distributed on the upper surface of the water cooling lower plate, the other side of the surrounding flange extends towards the first longitudinal convex rib to form a fourth transverse convex rib, the fourth transverse convex rib is distributed on the upper surface of the water-cooled lower plate, the third transverse convex rib and the fourth transverse convex rib are both positioned on the transverse symmetrical central line of the water-cooled lower plate, the upper side of the enclosing flange extends towards the direction of the first transverse convex rib to form a second longitudinal convex rib, the second longitudinal convex rib is distributed on the upper surface of the water-cooled lower plate, the first transverse convex rib forms a third longitudinal convex rib towards the direction of the second longitudinal convex rib, the third longitudinal convex rib and the second longitudinal convex rib are positioned on a straight line, a gap is formed between the end part of the third longitudinal convex rib and the end part of the second longitudinal convex rib, the lower side of the enclosing flange forms a fourth longitudinal convex rib towards the direction of the second transverse convex rib, the fourth longitudinal convex rib is distributed on the upper surface of the water-cooled lower plate, the second transverse convex rib forms a fifth longitudinal convex rib towards the direction of the fourth longitudinal convex rib, the fifth longitudinal convex rib is distributed on the upper surface of the water-cooled lower plate, and the fourth longitudinal convex rib and the fifth longitudinal convex rib are positioned on a straight, a gap is also formed between the end part of the fourth longitudinal convex rib and the end part of the fifth longitudinal convex rib, a first heat dissipation area is formed on the upper surface of the water-cooled lower plate on one side of the first longitudinal convex rib, a second heat dissipation area is formed on the upper surface of the water-cooled lower plate on the other side of the first longitudinal convex rib, turbulence salient points are uniformly distributed in the first heat dissipation area and the second heat dissipation area, gaps are also formed between the salient points, the water-cooled upper plate and the water-cooled lower plate are mutually connected through a welding process, a water inlet of the water-cooled upper plate corresponds to the upper area of the first heat dissipation area, and a water outlet of the water-cooled upper plate corresponds to the lower area of the first.

The utility model discloses a power battery water-cooling board structure, the bump design of water-cooling hypoplastron has the vortex effect, can effectively increase the heat transfer between the fluid. The I-shaped structural design of the inside of the water-cooling lower plate increases the heat exchange effect between the two flow channels. The design of the water cooling plate increases the heat dissipation area of the cold plate to the maximum extent under the condition that the fluid effectively flows, so that the local temperature difference of the power battery is minimum under the stable condition. The temperature uniformity among the power battery modules is improved. The water nozzles at the inlet and the outlet are arranged on the same side, so that the arrangement of the water pipeline is more concise and convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the water-cooling lower plate of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

The utility model discloses a power battery water-cooling board structure, it is different from prior art and lies in: comprises a water-cooled upper plate 1 and a water-cooled lower plate 2, wherein the water-cooled upper plate 1 covers the upper surface of the water-cooled lower plate 2, the upper surface of the water-cooled upper plate 1 is respectively provided with a water inlet 3 and a water outlet 4, the edge of the upper surface of the water-cooled upper plate 1 is provided with a surrounding flange 5, the middle position of the upper surface of the water-cooled upper plate 1 is provided with an I-shaped separating convex rib 6, the I-shaped separating convex rib 6 comprises a first transverse convex rib 7, a second transverse convex rib 9 and a first longitudinal convex rib 8, the first transverse convex rib 7 and the second transverse convex rib 9 are distributed in parallel up and down, the first longitudinal convex rib 8 is respectively vertical to the first transverse convex rib 7 and the second transverse convex rib 9, one side of the surrounding flange 5 extends towards the first longitudinal convex rib 8 to form a third transverse convex rib 10, the third transverse convex rib 10 is distributed on the upper surface of the water-cooled lower plate 2, the other side of the surrounding flange 5 extends towards the first longitudinal convex rib 8 to form a fourth transverse convex rib 11, the fourth transverse convex rib 11 is distributed on the upper surface of the water-cooled lower plate 2, the third transverse convex rib 10 and the fourth transverse convex rib 11 are both positioned on the transverse symmetrical central line of the water-cooled lower plate 2, the upper side of the enclosing flange 5 extends towards the first transverse convex rib 7 to form a second longitudinal convex rib 12, the second longitudinal convex rib 12 is distributed on the upper surface of the water-cooled lower plate 2, the first transverse convex rib 7 forms a third longitudinal convex rib 13 towards the second longitudinal convex rib 12, the third longitudinal convex rib 13 and the second longitudinal convex rib 12 are positioned on a straight line, a gap is formed between the end part of the third longitudinal convex rib 13 and the end part of the second longitudinal convex rib 12, the lower side of the enclosing flange 5 forms a fourth longitudinal convex rib 14 towards the second transverse convex rib 9, the fourth longitudinal convex rib 14 is distributed on the upper surface of the water-cooled lower plate 2, the second transverse convex rib 9 forms a fifth longitudinal convex rib 15 towards the fourth longitudinal convex rib 14, and the fifth longitudinal convex rib 15 is distributed on the upper surface of the water-cooled lower plate 2, the fourth longitudinal convex rib 14 and the fifth longitudinal convex rib 15 are positioned on a straight line, a gap is also formed between the end part of the fourth longitudinal convex rib 14 and the end part of the fifth longitudinal convex rib 15, a first heat dissipation area 16 is formed on the upper surface of the water-cooled lower plate 2 on one side of the first longitudinal convex rib 8, a second heat dissipation area 17 is formed on the upper surface of the water-cooled lower plate 2 on the other side of the first longitudinal convex rib 8, salient points 18 are uniformly distributed in the first heat dissipation area 16 and the second heat dissipation area 17, gaps are also formed between the salient points 18, the water-cooled upper plate 1 and the water-cooled lower plate 2 are connected with each other through a welding process, a water inlet 3 of the water-cooled upper plate 1 corresponds to the upper area of the first heat dissipation area 16, and a water outlet 4 of the water-cooled turbulent upper plate 1 corresponds to the lower area of the first.

The foregoing is a more detailed description of the invention, taken in conjunction with the accompanying preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described above. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (1)

1. The utility model provides a power battery water-cooling board structure which characterized in that: comprises a water-cooling upper plate (1) and a water-cooling lower plate (2), wherein the upper surface of the water-cooling lower plate (2) is covered by the water-cooling upper plate (1), the upper surface of the water-cooling upper plate (1) is respectively provided with a water inlet (3) and a water outlet (4), the edge of the upper surface of the water-cooling upper plate (1) forms an enclosing flange (5), the middle position of the upper surface of the water-cooling upper plate (1) forms an I-shaped separating convex rib (6), the I-shaped separating convex rib (6) comprises a first transverse convex rib (7), a second transverse convex rib (9) and a first longitudinal convex rib (8), the first transverse convex rib (7) and the second transverse convex rib (9) are distributed in an up-down parallel manner, the first longitudinal convex rib (8) is respectively vertical to the first transverse convex rib (7) and the second transverse convex rib (9), one side of the enclosing flange (5) extends towards the first longitudinal convex rib (8) to form a third transverse convex rib (10), the third transverse convex rib (10) is distributed on the upper surface of the water-cooled lower plate (2), the other side of the enclosing flange (5) extends towards the first longitudinal convex rib (8) to form a fourth transverse convex rib (11), the fourth transverse convex rib (11) is distributed on the upper surface of the water-cooled lower plate (2), the third transverse convex rib (10) and the fourth transverse convex rib (11) are both positioned on the transverse symmetrical central line of the water-cooled lower plate (2), the upper side of the enclosing flange (5) extends towards the first transverse convex rib (7) to form a second longitudinal convex rib (12), the second longitudinal convex rib (12) is distributed on the upper surface of the water-cooled lower plate (2), the first transverse convex rib (7) forms a third longitudinal convex rib (13) towards the second longitudinal convex rib (12), the third longitudinal convex rib (13) and the second longitudinal convex rib (12) are positioned on a straight line, and a gap is formed between the end part of the third longitudinal convex rib (13) and the end part of the second longitudinal convex rib (12), a fourth longitudinal convex rib (14) is formed at the lower side of the enclosing flange (5) towards the direction of a second transverse convex rib (9), the fourth longitudinal convex rib (14) is distributed on the upper surface of the water-cooling lower plate (2), a fifth longitudinal convex rib (15) is formed at the position of the second transverse convex rib (9) towards the direction of the fourth longitudinal convex rib (14), the fifth longitudinal convex rib (15) is distributed on the upper surface of the water-cooling lower plate (2), the fourth longitudinal convex rib (14) and the fifth longitudinal convex rib (15) are positioned on a straight line, a gap is also formed between the end part of the fourth longitudinal convex rib (14) and the end part of the fifth longitudinal convex rib (15), a first heat dissipation area (16) is formed at the upper surface of the water-cooling lower plate (2) at one side of the first longitudinal convex rib (8), a second heat dissipation area (17) is formed at the upper surface of the water-cooling lower plate (2) at the other side of the first longitudinal convex rib (8), and second heat dissipation areas (18) are uniformly distributed in the first heat dissipation area (16) and the second heat dissipation area (, gaps are also formed among the salient points (18), the water-cooling upper plate (1) and the water-cooling lower plate (2) are connected with each other through a welding process, a water inlet (3) of the water-cooling upper plate (1) corresponds to the upper area of the first heat dissipation area (16), and a water outlet (4) of the water-cooling upper plate (1) corresponds to the lower area of the first heat dissipation area (16).

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