CN221407428U

CN221407428U - Liquid cooling tray

Info

Publication number: CN221407428U
Application number: CN202322652339.7U
Authority: CN
Inventors: 姚敏锐; 唐天勇; 林建成
Original assignee: Guangdong Zhenxi Precision Parts Co ltd
Current assignee: Guangdong Zhenxi Precision Parts Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-07-23
Anticipated expiration: 2033-09-27

Abstract

The utility model relates to the technical field of new energy electric vehicles and energy storage, in particular to a liquid cooling tray, which comprises a supporting plate, a heat conducting plate, a heat insulating plate and a heat insulating layer, wherein the supporting plate is provided with a contact surface and a liquid cooling channel corresponding to the position of a concave part, the contact surface is sunken to form the concave part, the heat conducting plate is attached to the contact surface and seals the liquid cooling channel, the heat conducting plate is provided with an input port and an output port which are communicated with the liquid cooling channel, the heat insulating plate is attached to the concave part and forms a heat insulating cavity with the supporting plate, and the heat insulating layer is filled in the heat insulating cavity. According to the liquid cooling tray, the heat insulation plate and the heat insulation layer filled in the heat insulation cavity are used for avoiding direct contact between the supporting plate and the outside, and reducing the absorption of the outside to the heat of the cooling liquid or the heat conducting medium in the supporting plate, so that the absorption of the cooling liquid or the heat conducting medium to the heat transferred by the heat conducting plate is effectively improved, and the purpose of improving the heat dissipation efficiency of the liquid cooling tray is achieved.

Description

Liquid cooling tray

Technical Field

The utility model relates to the technical field of new energy electric vehicles and energy storage, in particular to a liquid cooling tray.

Background

The liquid cooling tray is a tray having a heat radiation function for cooling a battery pack or the like. In the prior art, the liquid cooling tray is usually used, the heat transferred by the battery pack is absorbed through the surface contacted with the battery pack, and the heat of the surface is radiated through the flow and circulation of liquid, so that the battery pack is subjected to heat radiation treatment, however, the surface of the tray which is not contacted with the battery pack is easily affected by external environment, the external heat is absorbed, and the technical problem of poor heat radiation efficiency of the liquid cooling tray exists.

Disclosure of utility model

Accordingly, it is necessary to provide a liquid cooling tray which absorbs external heat and has a problem of poor heat radiation efficiency with respect to the surface of the tray which is not in contact with the battery pack, which is susceptible to the external environment.

A liquid cooled tray comprising: the heat-insulating plate is provided with an input port and an output port which are communicated with the liquid cooling channel, the heat-insulating plate is attached to the concave part and forms a heat-insulating cavity with the support plate, and the heat-insulating layer is filled in the heat-insulating cavity.

Above-mentioned liquid cooling tray makes heat-conducting plate and group battery contact, and coolant liquid or heat-conducting medium flow in the liquid cooling passageway of layer board through the input port of heat-conducting plate and flow out by the delivery port, and the heat that the group battery produced is passed through the heat-conducting plate and is transmitted circulating coolant liquid or heat-conducting medium, and coolant liquid or heat-conducting medium in the circulation process avoids layer board and external direct contact through heat insulating board and the heat preservation of filling in the heat preservation intracavity, reduces the external absorption to the heat of coolant liquid or heat-conducting medium in the layer board to effectively promote the absorption of coolant liquid or heat-conducting medium to the heat that the heat-conducting plate transmitted, thereby reach the purpose that promotes the radiating efficiency of liquid cooling tray.

In one embodiment, the pallet comprises a plate body provided with a contact surface, a recess and a liquid cooling channel, and a coaming arranged along the edge of the plate body and enclosing a heat-insulating cavity.

In one embodiment, the support plate further comprises a support portion, and the support portion is disposed in the liquid cooling channel and contacts the heat conducting plate.

In one embodiment, the number of the supporting parts is plural, and each supporting part is disposed at intervals along the liquid cooling channel.

In one embodiment, the liquid cooling channel comprises a main channel, a sub-channel and a converging channel which are sequentially communicated, wherein the main channel is communicated with the input port, the number of the sub-channels is multiple, and the converging channel is communicated with the output port.

In one embodiment, the thermal insulation layer is a polyurethane layer.

In one embodiment, the heat-insulating plate comprises an outer frame, wherein the outer frame is provided with a fixing groove, and the edges of the supporting plate, the heat-insulating plate and the heat-insulating plate are all arranged in the fixing groove.

In one embodiment, the frame and the heat-conducting plate enclose a mounting groove.

In one embodiment, the outer frame comprises a frame body and fastening pieces, wherein the frame body is provided with a mounting groove, and the fastening pieces are connected with the supporting plate, the heat conducting plate and the heat insulating plate.

In one embodiment, the outer frame further comprises a reinforcing beam, the reinforcing beam is connected with the heat insulation plate, and two ends of the reinforcing beam are respectively close to or connected with two opposite inner side walls of the frame body.

Drawings

FIG. 1 is a schematic diagram of a liquid cooling tray according to the present utility model;

FIG. 2 is an exploded view of the liquid cooled tray shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the pallet of the liquid cooling tray shown in FIG. 2;

FIG. 4 is an enlarged schematic view of portion A of the liquid cooled pallet of FIG. 1;

Fig. 5 is a schematic diagram of a structure of the liquid cooling tray shown in fig. 1 from another view.

The meaning of the reference numerals in the drawings are:

100. A liquid cooling tray;

10. A supporting plate; 11. a contact surface; 12. a concave portion; 13. a liquid cooling channel; 131. a main flow passage; 132. a sub-runner; 133. a converging channel; 14. a plate body; 15. coaming plate; 16. a support part;

20. A heat conductive plate; 21. An input port; 22. An output port;

30. A heat insulating plate; 31. A heat preservation cavity;

50. an outer frame; 51. a fixing groove; 52. a mounting groove; 53. a frame; 54. a fastener; 55. and (5) reinforcing the beam.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 5, a liquid cooling tray 100 according to an embodiment of the present utility model is used for cooling a battery module.

As shown in fig. 1 and 2, the liquid cooling tray 100 includes: the heat-insulating plate comprises a supporting plate 10, a heat-conducting plate 20, a heat-insulating plate 30 and a heat-insulating layer, wherein the supporting plate 10 is connected with the heat-conducting plate 20 and is used for forming a flow channel for cooling liquid or heat-conducting medium to flow, the heat-conducting plate 20 is used for being in contact with a battery module, the heat-insulating plate 30 is in contact with one surface of the supporting plate 10 away from the heat-conducting plate 20 and is used for reducing the contact between the supporting plate 10 and the outside, and the heat-insulating layer is filled between the supporting plate 10 and the heat-insulating plate 30 and is used for reducing the cooling liquid or the heat-conducting medium in the supporting plate 10 to transfer heat to the heat-insulating plate 30.

Hereinafter, the above-described liquid cooling tray 100 will be further described with reference to fig. 1 to 5.

As shown in fig. 2 to 3, the supporting plate 10 has a contact surface 11 and a liquid cooling channel 13 corresponding to the position of the concave portion 12, the contact surface 11 is concavely formed into the concave portion 12, the liquid cooling channel 13 is used for flowing cooling liquid or heat conducting medium, the liquid cooling channel 13 includes a main channel 131, a split channel 132 and a confluence channel 133 which are sequentially communicated, the main channel 131 is communicated with the input port 21, the number of the split channels 132 is plural, the confluence channel 133 is communicated with the output port 22, specifically, the number of the split channels 132 is two, the two split channels 132 can effectively disperse the flow direction of the cooling liquid or the heat conducting medium, more specifically, one of the split channels 132 is distributed in the middle area of the supporting plate 10, the other split channel 132 is distributed in the edge area of the supporting plate 10, and the split channels 132 distributed in different areas can effectively control the cooling liquid or the heat conducting medium to uniformly absorb the heat in different areas so as to achieve the purpose of improving the heat dissipation stability.

As shown in fig. 2, the heat conducting plate 20 is attached to the contact surface 11 and seals the liquid cooling channel 13, the heat conducting plate 20 is provided with an input port 21 and an output port 22 which are communicated with the liquid cooling channel 13, and the liquid cooling channel 13 is sealed by the heat conducting plate 20, so that the cooling liquid or the heat conducting medium in the liquid cooling channel 13 can absorb heat on the heat conducting plate 20 better, and the heat dissipation effect of the heat conducting plate 20 is improved.

As shown in fig. 4, the heat insulation board 30 is attached to the concave portion 12 and forms a heat insulation cavity 31 with the supporting board 10, and the heat insulation layer is filled in the heat insulation cavity 31, and is a polyurethane layer, so that polyurethane not only can effectively insulate heat, but also has sound insulation and shock resistance, and noise and shock generated in the circulation process of cooling liquid or heat conducting medium can be effectively reduced.

Further, as shown in fig. 3, the supporting plate 10 includes a plate body 14 and a surrounding plate 15, the plate body 14 is provided with a contact surface 11, a concave portion 12 and a liquid cooling channel 13, the surrounding plate 15 is arranged along the edge of the plate body 14 and seals the heat insulation cavity 31, the heat insulation layer can be effectively prevented from being separated from the heat insulation cavity 31 by the surrounding plate 15, further, the plate body 14 further includes a supporting portion 16, the supporting portion 16 is arranged in the liquid cooling channel 13 and is in contact with the heat conducting plate 20, so that collapse of the heat conducting plate 20 is avoided, a heat dissipation effect is ensured while the heat conducting plate 20 is effectively supported, the number of the supporting portions 16 is multiple, the supporting portions 16 are arranged at intervals along the liquid cooling channel 13, and cooling liquid or heat conducting medium can effectively absorb heat transferred by the heat conducting plate 20 through gaps between the supporting portions 16, so that the heat dissipation effect is ensured.

As shown in fig. 2, the liquid cooling tray 100 further includes an outer frame 50, the outer frame 50 is provided with a fixing groove 51, edges of the supporting plate 10, the heat conducting plate 20 and the heat insulating plate 30 are all installed in the fixing groove 51 to prevent the edges of the supporting plate 10, the heat conducting plate 20 and the heat insulating plate 30 from deforming, the outer frame 50 and the heat conducting plate 20 enclose an installation groove 52 for installing a battery module, particularly, the outer frame 50 includes a frame 53 and a fastening piece 54, the frame 53 is provided with the installation groove 52, the fastening piece 54 is connected with the supporting plate 10, the heat conducting plate 20 and the heat insulating plate 30, further, the outer frame 50 further includes a reinforcing beam 55, the reinforcing beam 55 is connected with the heat insulating plate 30, and two ends of the reinforcing beam 55 are respectively close to or connected with two opposite inner side walls of the frame 53, wherein, the inner side walls of the reinforcing beam 55 and the frame 53 are close to each other means that the reinforcing beam 55 and the frame 53 are separated by a small gap, and the frame 53 is prevented from being pushed to deform when the frame 53 is expanded by 30 or the reinforcing beam 55 when being thermally expanded; the connection between the reinforcing beam 55 and the inner side wall of the frame 53 means that the reinforcing beam 55 is in contact with or fixedly connected with the frame 53 so as to avoid deformation of the frame 53, thereby improving the overall structural strength of the frame 53 and effectively protecting the supporting plate 10, the heat conducting plate 20 and the heat insulating plate 30.

When the liquid cooling tray 100 is used, a battery pack is arranged in the mounting groove 52, the heat conducting plate 20 is contacted with the battery pack, cooling liquid or heat conducting medium flows into the liquid cooling channel 13 of the supporting plate 10 through the input port 21 of the heat conducting plate 20 and flows out of the output port 22, the cooling liquid or heat conducting medium sequentially passes through the main runner 131, the shunt runner 132 and the sink 133, heat generated by the battery pack is transferred to circulating cooling liquid or heat conducting medium through the heat conducting plate 20, the cooling liquid or heat conducting medium in the circulating process uniformly absorbs heat in different areas on the heat conducting plate 20 through the shunt runner 132, so that the battery pack is effectively cooled, the heat insulating plate 30 and the heat insulating layer filled in the heat insulating cavity 31 are utilized to prevent the supporting plate 10 from being directly contacted with the outside, and simultaneously, noise and vibration generated in the circulating process of the cooling liquid or heat conducting medium are absorbed through the heat insulating layer, and therefore the heat, noise and vibration transferred by the heat conducting plate 20 are effectively improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A liquid-cooled tray, comprising: the heat-insulating plate comprises a supporting plate, a heat-insulating plate and a heat-insulating layer, wherein the supporting plate is provided with a contact surface and a liquid cooling channel corresponding to the position of the concave part, the contact surface is sunken to form the concave part, the heat-insulating plate is provided with a plurality of input ports and output ports which are communicated with the liquid cooling channel, the heat-insulating plate is attached to the concave part and forms a heat-insulating cavity with the supporting plate, the heat-insulating layer is filled in the heat-insulating cavity, the supporting plate comprises a plate body and a coaming, the plate body is provided with the contact surface, the concave part and the liquid cooling channel, the coaming is arranged along the edge of the plate body and is sealed to the heat-insulating cavity, the plate body further comprises a supporting part, the supporting part is arranged in the liquid cooling channel and is in contact with the heat-insulating plate, the supporting part is in a plurality of quantity, the supporting part is arranged along the liquid cooling channel, the liquid cooling channel comprises a main flow passage, a split flow passage and a confluence passage which are sequentially communicated with each other, the main flow passage is communicated with the input ports, the split flow passage is communicated with the heat-insulating plate, the heat-insulating plate is provided with the heat-insulating plate.