Liquid cooling plate for new energy battery

Abstract

The utility model discloses a liquid cooling plate for a new energy battery, which comprises a contact plate and a cooling plate arranged on the contact plate, one end of the cooling plate far away from the contact plate is provided with an outer heat conduction assembly, the cooling plate comprises a main plate body, the main plate body is fixedly connected with the contact plate, and the main plate body is provided with a plurality of groups of cooling liquid flow channels. Each cooling liquid flow channel comprises a pump body access port, a pump body output port and a heat conduction inner flow channel arranged between the pump body access port and the pump body output port, the outer heat conduction assembly comprises a plurality of heat conduction pieces, the heat conduction pieces are fixed to the end, away from the contact plate, of the main plate body, and a fan is arranged at the end, away from the main plate body, of each heat conduction piece. According to the liquid cooling plate for the new energy battery, a plurality of groups of cooling liquid flow channels and outer heat conduction assemblies are arranged on the cooling plate, so that heat is dispersed and led out to the outside, the heat dissipation efficiency in unit time is improved, and the temperature value of a battery pack can be quickly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a liquid cooling plate, concretely a liquid cooling plate for new energy battery. BACKGROUND

[0002] The liquid cooling plate is a component for new energy battery thermal management, and mainly realizes temperature control of the working environment of the new energy battery through liquid cooling technology. The core function of the liquid cooling plate is to quickly take away the heat generated during the operation of the new energy battery through fluid conduction, to ensure that the new energy battery works within the optimal temperature range, thereby improving the performance, prolonging the service life, and reducing the safety risk.

[0003] The cooling liquid flow channel structure provided on the existing liquid cooling plate is relatively simple, and is not improved for the heat conduction range covered by the cooling liquid. Usually, a large area is slotted, so that the slotted position corresponds to the heat generating part of the battery pack. However, the heat of the battery pack cannot be dispersed, and part of the heat will continue to accumulate on the battery pack. Therefore, the heat conduction efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a liquid cooling plate for new energy battery, which disperses and exports the heat to the outside by setting multiple cooling liquid flow channels and external heat conduction components on the cooling plate, thereby improving the heat dissipation efficiency per unit time and being beneficial to quickly reducing the temperature value of the battery pack.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a liquid cooling plate for new energy battery, comprising a contact plate and a cooling plate provided on the contact plate, an external heat conduction component is provided at one end of the cooling plate away from the contact plate, the cooling plate comprises a main plate body, the main plate body is fixedly connected with the contact plate, the fixed connection is the prior art, which will not be described here, and multiple cooling liquid flow channels are provided on the main plate body, each cooling liquid flow channel comprises a pump body inlet, a pump body outlet, and a heat conduction inner flow channel provided between the pump body inlet and the pump body outlet, the external heat conduction component comprises multiple heat conduction fins, the multiple heat conduction fins are fixed at one end of the main plate body away from the contact plate, and a fan is provided at one end of each heat conduction fin away from the main plate body.

[0006] Preferably, the pump body inlet and the pump body outlet are parallel to each other, and the openings of the pump body inlet and the pump body outlet are provided at the edge of the main plate body.

[0007] Preferably, the heat conduction inner flow channel comprises multiple horizontal flow channels and multiple inclined flow channels in communication with the multiple horizontal flow channels, two horizontal flow channels are in communication with the pump body inlet and the pump body outlet respectively, and the multiple heat conduction fins are parallel to the multiple inclined flow channels respectively.

[0008] Preferably, the multiple inclined flow channels are inclined, and the angle of the inclined flow channel is between 34° and 56°.

[0009] Preferably, a flow distribution port is arranged between the two parallel flow channels, and the flow distribution port is located at the center of the heat-conducting inner flow channel

[0010] Preferably, a protective net is fixed to the end of the plurality of fans away from the main plate body, and the plurality of fans are symmetrically distributed on the main plate body.

[0011] Preferably, the outer heat-conducting assembly further comprises a plurality of support columns, the plurality of support columns are respectively fixed to the plurality of fans, and the plurality of support columns are fixed to the main plate body.

[0012] Preferably, two reinforcing ribs parallel to each other are arranged on each group of heat-conducting fins, and the two reinforcing ribs are respectively fixed to each group of heat-conducting fins.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1、 the utility model discloses, through setting up a plurality of cooling liquid flow channels on the cooling plate, and the cooling liquid flow channel covers the heat dissipation of the different position of battery pack respectively, because a plurality of pump bodies drive the cooling liquid in a plurality of cooling liquid flow channels to flow respectively, so that heat can be dispersed, and is respectively discharged to the outside, thereby improve the heat dissipation efficiency in unit time;

[0015] 2、 the utility model discloses, through the heat-conducting inner flow channel of every heat-conducting inner flow channel through a plurality of bends, can cover greater area, shorten the flow time of cooling liquid, accelerate the heat export efficiency, be favorable to make the lowest temperature of battery pack lower, and therefore be favorable to the battery pack to keep healthy state;

[0016] 3、 through setting up the heat-conducting fin parallel with the initial flow channel and the compound flow channel on the side of the cooling plate away from the contact plate, part of heat is directly transmitted to the outside through the heat-conducting fin, realizes the further dispersion of heat, and cooperates the operation of axial flow fan and blows out heat, thereby realizes the rapid export of this part of heat, is favorable to the temperature value of battery pack is reduced fast. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 it is the schematic diagram of the utility model embodiment;

[0018] Figure 2 it is the schematic diagram of the cooling plate of the utility model;

[0019] Figure 3 it is the schematic diagram of the outer heat-conducting assembly of the utility model;

[0020] Figure 4 it is the bottom view of the heat-conducting fin of the utility model.

[0021] The reference signs and names in the figure are as follows: 1, contact plate; 2, cooling plate; 21, main plate body; 22, cooling liquid flow channel; 221, pump body inlet; 222, pump body outlet; 223, heat conduction inner flow channel; 2231, horizontal flow channel; 2232, inclined flow channel; 2233, flow dividing port; 3, outer heat conduction assembly; 31, heat conduction sheet; 32, fan; 321, protective net; 33, support column; 34, reinforcing rib. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0024] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0025] Please refer to Figure 1The utility model provides a kind of liquid cooling plate for new energy battery of an embodiment: a kind of liquid cooling plate for new energy battery, including contact plate 1 and the cooling plate 2 of being set on contact plate 1, cooling plate 2 is provided with outer heat conduction component 3 in the end of being away from contact plate 1.

[0026] Please refer to Figure 2 Cooling plate 2 includes main plate body 21, and main plate body 21 is fixedly connected with contact plate 1, and fixed mode is prior art, which will not be described here, and main plate body 21 is provided with multiple groups of cooling liquid flow channel 22, each group of cooling liquid flow channel 22 includes pump body inlet 221, pump body output 222 and heat conduction inner flow channel 223 between pump body inlet 221 and pump body output 222, pump body inlet 221 and pump body output 222 are parallel to each other, and the openings of pump body inlet 221 and pump body output 222 are all arranged at the edge of main plate body 21;In addition, heat conduction inner flow channel 223 includes multiple flat flow channels 2231 and inclined flow channels 2232 communicated with multiple flat flow channels 2231 respectively, wherein two flat flow channels 2231 are communicated with pump body inlet 221 and pump body output 222 respectively, and multiple groups of heat conduction fins 31 are parallel to multiple inclined flow channels 2232, so that heat in multiple inclined flow channels 2232 is better transmitted to heat conduction fin 31, so that the cooling liquid pumped by external pump can flow through multiple flat flow channels 2231 and multiple inclined flow channels 2232 through pump body inlet 221, and then output from pump body output 222, in the embodiment, the cooling liquid is glycol-based cooling liquid and water-based cooling liquid, multiple inclined flow channels 2232 are all inclined, and the angle value of inclined flow channel 2232 is between 34 ° and 56 °, the inclined flow channel 2232 is arranged to be inclined, so that it can cover larger area, shorten the flow time of cooling liquid, and accelerate heat export efficiency, wherein two flat flow channels 2231 are provided with shunt 2233, and shunt 2233 is located at the center position of heat conduction inner flow channel 223, and the shunt 2233 is arranged to make part of cooling liquid not flow through the entire heat conduction inner flow channel 223, but only flow through about half of flow channel, and then output, which accelerates the discharge of cooling liquid to a certain extent, so that part of heat is discharged faster, thus being beneficial to make part of heat be discharged faster.

[0027] Please refer to Figure 3The outer heat conduction assembly 3 comprises a plurality of groups of heat conduction fins 31, each of which is fixed to one end of the main plate body 21 away from the contact plate 1, and each of the heat conduction fins 31 is provided with a fan 32 at an end away from the main plate body 21, the fan 32 is an axial flow fan, a protective net 321 is fixed at an end of each of the plurality of fans 32 away from the main plate body 21, and the plurality of fans 32 are symmetrically distributed on the main plate body 21, the protective net 321 is used for protecting the fan blades of the fan 32, the outer heat conduction assembly 3 further comprises a plurality of groups of supporting columns 33, each of which is fixed with a plurality of fans 32, and each of the plurality of groups of supporting columns 33 is fixed on the main plate body 21, when the cooling liquid flows in the inclined flow channel 2232, part of the heat will be directly absorbed by the plurality of groups of heat conduction fins 31, at this time, the heat can be blown out by cooperating with the working of the fan 32, so that part of the heat is quickly conducted out.

[0028] Please refer to Figure 4 Each of the groups of heat conduction fins 31 is provided with two parallel reinforcing ribs 34, and the two reinforcing ribs 34 are fixed with each of the groups of heat conduction fins 31, so that the reinforcing ribs 34 strengthen the structure of one group of heat conduction fins 31.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A liquid cooling plate for a new energy battery, comprising a contact plate (1) and a cooling plate (2) disposed on the contact plate (1), characterized in that: The cooling plate (2) is provided with an external heat conduction component (3) at the end away from the contact plate (1), and the cooling plate (2) includes a main body (21), which is fixedly connected to the contact plate (1). The main body (21) is provided with multiple sets of coolant channels (22), each set of coolant channels (22) includes a pump inlet (221), a pump outlet (222), and a heat conduction inner channel (223) between the pump inlet (221) and the pump outlet (222). The external heat conduction component (3) includes multiple sets of heat conduction plates (31), each set of heat conduction plates (31) is fixed at the end of the main body (21) away from the contact plate (1), and each set of heat conduction plates (31) is provided with a fan (32) at the end away from the main body (21).

2. The liquid cooling plate for a new energy battery according to claim 1, characterized in that: The pump body inlet (221) and the pump body outlet (222) are parallel to each other, and the openings of the pump body inlet (221) and the pump body outlet (222) are both located on the edge of the main body (21).

3. The liquid cooling plate for a new energy battery according to claim 1, characterized in that: The heat-conducting inner flow channel (223) includes multiple horizontal flow channels (2231) and oblique flow channels (2232) that are connected to the multiple horizontal flow channels (2231). Two horizontal flow channels (2231) are connected to the pump body inlet (221) and the pump body outlet (222) respectively. Multiple sets of heat-conducting plates (31) are parallel to the multiple oblique flow channels (2232).

4. The liquid cooling plate for a new energy battery according to claim 3, characterized in that: The multiple inclined channels (2232) are all inclined, and the angle of inclination of the inclined channels (2232) is between 34° and 56°.

5. A liquid cooling plate for a new energy battery according to claim 3, characterized in that: A branch port (2233) is provided between the two horizontal flow channels (2231), and the branch port (2233) is located at the center of the heat-conducting inner flow channel (223).

6. The liquid cooling plate for a new energy battery according to claim 1, characterized in that: Each of the multiple fans (32) has a protective mesh (321) fixed at the end away from the main board (21), and the multiple fans (32) are symmetrically distributed on the main board (21).

7. The liquid cooling plate for a new energy battery according to claim 1, characterized in that: The external heat conduction component (3) also includes multiple sets of support columns (33), which are fixed to multiple fans (32) respectively, and all sets of support columns (33) are fixed to the main board body (21).

8. A liquid cooling plate for a new energy battery according to claim 1, characterized in that: Each heat-conducting sheet (31) is provided with two parallel reinforcing ribs (34), and the two reinforcing ribs (34) are fixed to each heat-conducting sheet (31).

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