CN217544720U

CN217544720U - Battery water-cooling board device

Info

Publication number: CN217544720U
Application number: CN202123345670.1U
Authority: CN
Inventors: 杨晓琴; 尹福利; 张琴; 牟丽莎
Original assignee: Chongqing Changan New Energy Automobile Technology Co Ltd
Current assignee: Deep Blue Automotive Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-04
Anticipated expiration: 2031-12-28

Abstract

The utility model provides a battery water-cooling board device, including the water-cooling board structure, the water-cooling board structure divide into water-cooling board base plate and water-cooling board apron to and spare parts such as battery module, inlet tube connector, outlet pipe connector, the mode lid that the water-cooling board apron was sticky through the structure is on the water-cooling board base plate, PVC or resin base combined material are chooseed for use to the water-cooling board base plate, the water-cooling board base plate has the crooked parallelly connected shape that is that forms to keeping away from water-cooling board apron direction, the runner that is located the water-cooling board base plate is through injection, extrusion or press forming, the battery module is located the top of water-cooling board structure and corresponds different runners, its inside runner can carry out self-adaptive control because of the high and high heat conductivity's of the expansion coefficient of material characteristic, the local heat exchange efficiency of pertinence promotion water-cooling board according to the whole package difference in temperature can be improved.

Description

Battery water-cooling board device

Technical Field

The utility model relates to a new energy automobile battery cooling device technique, more specifically relate to water-cooling board device.

Background

In new energy automobile battery cooling device technical field, battery water-cooling board device can be with battery temperature stability in certain extent, has not only promoted the charge and discharge performance of battery, more can prolong the life of battery, consequently uses extensively.

Traditional water-cooling plate runner adopts the aluminum alloy punching press to form, and runner shape size receives the mould control, and the runner is in case the shaping just can't change, and its drawback is: because the uniformity difference, the heat that produces among its charge-discharge process is inconsistent with the design value when the battery module, when the battery module difference in temperature is great, the water-cooling board can't improve local heat exchange efficiency pertinence.

The end face of the base plate is opposite to the end face of the cover plate and connected with the end face of the cover plate, the ink layer used for forming a flow channel through blowing is arranged on the end face, connected with the base plate, of the cover plate, the flow channel formed in the blowing mode is arranged at the position of the ink layer, and the technical problem that the flow channel of the water cooling plate of a flat tube type section bar is single in form is solved.

Another example is a battery cooler integrated water-cooling plate, which comprises a water-cooling plate body, wherein a base plate is arranged at the top end of the water-cooling plate body, the base plate is fixedly connected with the water-cooling plate body, a water-cooling pipe is arranged at the top end of the base plate, the water-cooling pipe is welded and fixed with the base plate, a water inlet pipe joint is arranged on the left side of the bottom end of the water-cooling pipe, and the water inlet pipe joint is fixedly connected with the water-cooling pipe in a threaded connection manner; through the lag in the apron outside, avoid the water-cooling board in electric automobile's installation use, the phenomenon that jolts and lead to the water-cooling board that electric automobile produced at the in-process of traveling appears, and the safety in utilization and the stability of reinforcing water-cooling board are through the heat conduction silica gel that protects the inboard setting of interlayer for the cooling rate of the inside liquid of water-cooling board.

Above prior art, the aperture size of the runner or the water-cooled tube that its cooling water flowed through all is fixed, can't carry out the self-interacting according to the battery temperature, and heat exchange efficiency is not high.

Disclosure of Invention

The utility model aims at providing a battery water-cooling board device, the runner of its water-cooling board base plate can carry out the self-adaptation regulation according to the rising of battery module temperature because of the high heat conductivity of material and the characteristic of high coefficient of expansion to the local heat exchange efficiency of pertinence promotion water-cooling board reduces the whole package difference in temperature.

A battery water-cooling board device, including water-cooling board structure and two at least battery modules, it divide into water-cooling board base plate and water-cooling board apron, the mode lid that the water-cooling board apron was sticky through the structure is on the water-cooling board base plate, form the runner of bending again on the water-cooling board base plate, the runner is through injection, extrusion or compression moulding, the water-cooling board structure has play water and water installations, the battery module is located water-cooling board structure top side by side and corresponds different runners. The water cooling plate substrate is made of a material with a high expansion coefficient and high heat conductivity, and the aperture of a flow channel on the water cooling plate substrate can be increased along with the increase of the temperature of the battery module at the corresponding position.

The utility model discloses the beneficial effect who has is: with above-mentioned water-cooling board device, when certain module temperature of battery is higher, this module below runner internal cooling liquid temperature is higher, chooses high expansion coefficient and high heat conductivity this moment for use, and the aperture increases, and the water-cooling board is under the unchangeable condition of inlet tube flow, temperature, and this partial water-cooling board heat exchange efficiency not only increases, and is higher than the lower battery module of temperature to make whole package difference in temperature can improve.

Drawings

FIG. 1 is a schematic view of a water-cooled plate apparatus;

FIG. 2 is a schematic view of a flow channel structure;

FIG. 3 is a flow passage self-adjustment schematic;

in the figure, 1 is a water cooling plate substrate, 11 is a flow passage I, 12 is a flow passage II, 13 is a flow passage III, and 14 is a flow passage V;

2-water-cooled plate cover plate, 21-through hole I, 22-through hole II

3-a water-cooling plate structure, 31-a water inlet pipe joint, 32-a water outlet pipe joint,

41-battery module I, 42-battery module II.

Detailed Description

In the following description of the present invention, it is to be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like are used for indicating the orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention;

and unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly, removably, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an embodiment of the present application provides a water-cooling plate device for self-adjusting a flow channel according to a battery temperature, which includes a water-cooling plate cover plate 2 of a water-cooling plate substrate 1, a water inlet pipe connector 31, a water outlet pipe connector 32,

flow channels

11 and 12 corresponding to a battery module I, a flow channel iii 13 corresponding to a battery module ii, a flow channel v 14, through holes I21 and ii 22, and other components, wherein the water-cooling plate cover plate 2 covers the water-cooling plate substrate 1, the battery modules I and ii are disposed on the water-cooling plate cover plate 2, and the water inlet pipe connector 31 and the water outlet pipe connector 32 are connected to the water-cooling plate substrate 1 and the water-cooling plate cover plate 2 through the through holes I21 and ii 22, and are used for water inlet and outlet.

The water-cooling plate base plate 1 forms a flow channel I, a flow channel II, a flow channel III, a flow channel V11, 12, 13 and 14 which are bent and parallel in shape towards the direction far away from the water-cooling plate cover plate 2 through the injection, extrusion or compression molding process, the depth of the flow channel I, the flow channel II, the flow channel III, the flow channel V11, 12, 13 and 14 in the water-cooling plate base plate 1 is not more than the thickness of the water-cooling plate base plate 1, the peripheral edges of the flow channel I, the flow channel II, the flow channel III, the flow channel V11, 12, 13 and 14 in the water-cooling plate base plate 1 are narrow planes, and the edge part close to the flow channel I11 is a partial plane.

The water cooling plate base plate 1 and the water cooling plate cover plate 2 are rectangular, the water cooling plate cover plate 2 covers the water cooling plate base plate 1, corresponding side lengths are equal to each other, two through holes I21 and II 22 are arranged on one side edge of the right side of the water cooling plate cover plate 2, the through holes I21 and II 22 correspond to a runner position of the right edge of the water cooling plate base plate 1 below, the water inlet pipe connector 31 is connected with the through hole I21, and the water outlet pipe connector 32 is connected with the through hole II 22 and used for water outlet and water inlet.

Further, the water cooling plate base plate 1 and the water cooling plate cover plate 2 are glued through structures.

Furthermore, each module can correspond to n flow channels according to the size of the battery module, wherein the flow channel I and the flow channels II 11 and 12 are positioned below the battery module I, and the flow channel III and the flow channels V13 and 14 are positioned below the battery module II.

Further, in general, the water cooling plate substrate 1 is made of a material having high thermal conductivity and high expansion coefficient.

Further, based on the above structure, when the temperature of a certain module of the battery is higher, the temperature of the cooling liquid in the runner below the module is also higher, and at the moment, the diameter of the runner material is increased due to the high expansion coefficient of the runner material. In this embodiment, when the temperature of the battery module I is higher than that of the battery module ii, the temperature of the cooling liquid below the battery module I is higher than that of the cooling liquid below the battery module ii, and the flow channel I, the flow channel ii 11, and the flow channel 12 are increased in aperture due to high expansion coefficient, as shown in the dotted line of fig. 3. Under the unchangeable condition of total flow of intaking, the temperature of intaking, runner I, runner II 11, 12 reposition of redundant personnel obtain more cooling water, and I cooling effect of battery module is superior to battery module II this moment. When one module corresponds to n parallel flow channels or a plurality of modules exist, the flow channel self-adjusting principle is the same.

Claims

1. The utility model provides a battery water-cooling board device, includes water-cooling plate structure (3) and two at least battery modules, its characterized in that:

the water cooling plate structure (3) is divided into a water cooling plate substrate (1) and a water cooling plate cover plate (2), and the water cooling plate cover plate (2) covers the water cooling plate substrate (1);

the water cooling plate substrate (1) is provided with a bent flow channel, and the battery modules are arranged above the water cooling plate structure (3) side by side and respectively correspond to different flow channels;

the water cooling plate substrate (1) is made of a material with high thermal conductivity and high expansion coefficient, so that the aperture of a flow channel on the water cooling plate substrate (1) can be increased along with the rise of the temperature of the battery module at the corresponding position.

2. The battery water-cooling plate device as claimed in claim 1, wherein: and the flow channel on the water cooling plate substrate (1) is formed by injection, extrusion or pressing.

3. The battery water-cooling plate device as claimed in claim 1, wherein: the depth of the flow channel does not exceed the thickness of the water cooling plate substrate (1).

4. The battery water-cooling plate device as claimed in claim 1, wherein: the water cooling plate base plate (1) and the water cooling plate cover plate (2) are adhered through structures, and the corresponding side lengths of the water cooling plate base plate and the water cooling plate cover plate are equal to each other.

5. The battery water-cooling plate device as claimed in claim 1, wherein: the right edge of the water cooling plate cover plate (2) is provided with two through holes which are respectively communicated with the runner part of the right edge of the water cooling plate substrate (1), and the two through holes are respectively connected with a water inlet pipe joint (31) and a water outlet pipe joint (32).

6. The battery water-cooling plate device as claimed in claim 1, wherein: each module can correspond to n flow channels, and the multiple flow channels are connected in parallel.