Liquid cooling plate

Abstract

The utility model discloses a liquid cooling plate, firstly, the liquid cooling plate comprises a top plate and a bottom plate, the design of the top plate and the bottom plate can provide additional structural support, prevent the leakage of cooling liquid and ensure the sealing performance of the liquid cooling plate, the internal space of an energy storage system needs to meet certain sealing performance, and the heat dissipation area of the liquid cooling plate is increased; and secondly, the liquid cooling plate is also internally provided with a first liquid flowing channel and a second liquid flowing channel, the heat dissipation effect of the liquid cooling plate is improved by utilizing the two liquid flowing channels which are communicated with each other, and the heat energy uniformly distributed on the top plate and the bottom plate is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling technical field more specifically, it relates to a liquid cooling plate. BACKGROUND

[0002] The energy storage system is designed to install the battery for energy storage, the liquid cooling plate is installed on the battery, the liquid cooling plate is responsible for reducing the temperature of the battery, and the energy storage system is designed to contain the liquid cooling plate and the liquid cooling unit, the liquid cooling unit contains the compressor, the condenser, the expansion water tank and the water supplement tank, the liquid cooling pipeline, the pipeline and so on constitute the complete temperature control subsystem, and the temperature control subsystem is used for temperature control.

[0003] The liquid cooling plate is usually placed at the bottom of the battery, and the heat energy transferred from the battery to the liquid cooling plate is reduced through the cooling liquid flowing in the liquid cooling plate, with the development, in order to improve the energy storage effect of the energy storage system, therefore the battery is updated to the battery pack, however, compared with the traditional battery, the heat dissipation of the battery pack is larger.

[0004] Therefore, it does not meet the existing demand, and we propose a liquid cooling plate. INVENTION CONTENTS

[0005] The utility model aims at providing a liquid cooling plate to solve the problem that in prior art, the liquid cooling plate is usually placed at the bottom of the battery, and the heat energy transferred from the battery to the liquid cooling plate is reduced through the cooling liquid flowing in the liquid cooling plate, with the development, in order to improve the energy storage effect of the energy storage system, therefore the battery is updated to the battery pack, however, compared with the traditional battery, the heat dissipation of the battery pack is larger.

[0006] The above technical purpose of the utility model is realized through the following technical scheme: a liquid cooling plate, comprising: a top plate, the top plate is abutted on the battery pack, the side of the top plate away from the battery pack is buckled with a bottom plate, a plurality of first fixed ports are arranged on the bottom plate, a liquid inlet and a liquid outlet are further arranged on the top plate, and the liquid inlet and the liquid outlet are adjacent to each other; the bottom plate is provided with a plurality of first liquid flow channels and second liquid flow channels on the side facing the top plate, and a plurality of first liquid flow channels and second liquid flow channels are communicated with each other, the first liquid flow channel away from the second liquid flow channel in a plurality of first liquid flow channels is sealingly connected with the liquid outlet, the second liquid flow channel is sealingly connected with the liquid inlet, and the liquid inlet is located at one end of the second liquid flow channel close to the liquid outlet, a plurality of second fixed ports are arranged on the bottom plate, and each first fixed port corresponds to each second fixed port.

[0007] By adopting the technical scheme, firstly, the liquid cooling plate comprises a top plate and a bottom plate, the top plate and the bottom plate can provide additional structural support, prevent leakage of the cooling liquid, ensure the sealing of the liquid cooling plate, the space inside the energy storage system needs to meet a certain sealing performance, and the heat dissipation area of the liquid cooling plate is increased, which is helpful to more uniform temperature distribution, thereby improving the heat dissipation efficiency, secondly, the first liquid flow channel and the second liquid flow channel are arranged in the liquid cooling plate, the two mutually connected liquid flow channels are used to improve the heat dissipation effect of the liquid cooling plate, and the heat energy uniformly distributed on the top plate and the bottom plate is reduced.

[0008] The utility model further sets up: a plurality of first liquid flow channel is linear array arrangement on the bottom plate, and every first liquid flow channel with the broad surface of bottom plate is parallel with each other, second liquid flow channel with the narrow surface of bottom plate is parallel with each other, and second liquid flow channel is located the one end of bottom plate far away from a plurality of first liquid flow channel.

[0009] By adopting the technical scheme, the area of the first liquid flow channel and the second liquid flow channel covered on the top plate and the bottom plate is increased, the heat uniformly distributed on the top plate and the bottom plate is accelerated to reduce, the heat exchange area is increased by using the channel layout, and the heat dissipation efficiency is improved.

[0010] The utility model further sets up: a plurality of first liquid flow channel with second liquid flow channel between setting up a plurality of second embedding, and a plurality of second embedding is located on the bottom plate, be provided with a plurality of first embedding on the top plate, and every first embedding all with corresponding position's second embedding one to one.

[0011] By adopting the technical scheme, the first embedding and the second embedding have the flow characteristics of improving the cooling liquid in the liquid cooling plate, increasing the turbulence of the fluid, reducing the influence of the laminar flow, thereby improving the heat conduction effect, and increasing the surface area of the internal fluid channel of the liquid cooling plate, thereby improving the heat exchange efficiency. By increasing the contact area, the heat can be more effectively transferred from the battery pack to the cooling liquid, and the heat dissipation performance is improved.

[0012] The utility model further sets up: the both ends of top plate are provided with a plurality of first limit ear piece, the both ends of bottom plate are provided with a plurality of second limit ear piece, and every first limit ear piece with corresponding position's second limit ear piece one to one.

[0013] By adopting the technical scheme, the fixing effect of the bottom plate and the top plate is improved.

[0014] The utility model further sets up: every first limit ear piece with corresponding matching second limit ear piece is fastened through rivet nut.

[0015] By adopting the above technical scheme, the fixing effect of the bottom plate and the top plate is improved.

[0016] The utility model further sets up: the liquid inlet and liquid outlet far from the one side of bottom plate all set up the water tap that connects.

[0017] By adopting the above technical scheme, the flow of the cooling liquid is ensured to be smooth and unobstructed by using the water tap solder stopper, and the flow path of the cooling liquid in the liquid cooling plate is optimized to improve the heat dissipation efficiency.

[0018] The utility model further sets up: the liquid inlet and liquid outlet with water tap are connected through welding.

[0019] By adopting the above technical scheme, the joint is prevented from being damaged by foreign matters.

[0020] The utility model further sets up: the connecting place of water tap and liquid inlet and liquid outlet is detachably provided with dust cover.

[0021] By adopting the above technical scheme, the joint is prevented from being damaged by foreign matters.

[0022] The utility model further sets up: the side of top plate abutting at battery pack is provided with insulating layer.

[0023] By adopting the above technical scheme, the safety is improved by using the insulating layer, the short circuit and the electric leakage are prevented, the electric field is evenly distributed, the electric leakage is prevented, the fireproof performance is provided and the reliability and the performance of the liquid cooling plate are improved.

[0024] The utility model further sets up: the insulating layer is ENVIROCRON insulating powder coating.

[0025] By adopting the above technical scheme, the insulating performance, the heat conduction capacity and the environmental protection characteristics of the liquid cooling plate are improved.

[0026] In summary, the utility model has the following beneficial effects: first, the liquid cooling plate includes the top plate and the bottom plate, the design of the top plate and the bottom plate can provide additional structural support, prevent the cooling liquid from leaking, ensure the sealing of the liquid cooling plate, the space inside the energy storage system needs to meet a certain sealing performance, and the heat dissipation area of the liquid cooling plate is increased, which helps more uniform temperature distribution, thereby improving the heat dissipation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0027] Fig. 1 It is the structure schematic view of the liquid cooling plate in the utility model embodiment.

[0028] Fig. 2 is an exploded view of the liquid cooling plate in the embodiment of the utility model;

[0029] Fig. 3 is a narrow surface sectional view of the liquid cooling plate in the embodiment of the utility model.

[0030] In the drawing:

[0031] 1, top plate; 11, first embedded opening; 12, first limiting ear block; 13, first fixed opening;

[0032] 2, bottom plate; 21, second embedded opening; 22, second limiting ear block; 23, second fixed opening;

[0033] 3, water nozzle;

[0034] 4, first liquid flow channel;

[0035] 5, second liquid flow channel. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings Figs. 1-3 The utility model is further explained in detail.

[0037] Embodiment

[0038] As Figs. 1-3 indicated, a kind of liquid cooling plate, including top plate 1 and bottom plate 2.

[0039] Top plate 1 is butted on battery pack, and top plate 1 is aluminum alloy material, and battery pack passes heat to top plate 1.

[0040] Bottom plate 2 is buckled to the side of top plate 1 away from battery pack, and bottom plate 2 is provided with a plurality of first fixed opening 13, and top plate 1 is also provided with liquid inlet and liquid outlet, and liquid inlet and liquid outlet are adjacent, compared with the traditional liquid inlet and liquid outlet setting in the four peripheral edges of liquid cooling plate, with better utilization to longitudinal space.

[0041] Battery pack is prior art, and optimization is not made to battery pack in the case, so detailed explanation is not made to battery pack.

[0042] The bottom plate 2 is provided with a plurality of first liquid flow channels 4 and second liquid flow channels 5 on the side facing the top plate 1, and the plurality of first liquid flow channels 4 and the second liquid flow channels 5 are in communication with each other, the first liquid flow channels 4 far away from the second liquid flow channels 5 are in sealed connection with the liquid outlet, the second liquid flow channels 5 are in sealed connection with the liquid inlet, and the liquid inlet is located at one end of the second liquid flow channels 5 close to the liquid outlet, and the bottom plate 2 is provided with a plurality of second fixing openings 23, and each first fixing opening 13 corresponds to each second fixing opening 23 one by one, and after the top plate 1 is buckled on the bottom plate 2, the top plate 1 will transfer the heat energy transmitted from the battery pack to the bottom plate 2, but after buckling, the pressure retention observation is needed to observe the size of the internal pressure change of the workpiece, and then it is judged whether the liquid cooling plate workpiece leaks, if the pressure retention capacity exceeds the standard, the liquid cooling plate has good airtightness.

[0043] The plurality of first liquid flow channels 4 are arranged in linear array on the bottom plate 2, and each first liquid flow channel 4 is parallel to the wide surface of the bottom plate 2, the second liquid flow channel 5 is parallel to the narrow surface of the bottom plate 2, and the second liquid flow channel 5 is located at one end of the bottom plate 2 far away from the plurality of first liquid flow channels 4, a plurality of second embedding openings 21 are arranged between the plurality of first liquid flow channels 4 and the second liquid flow channel 5, and the plurality of second embedding openings 21 are arranged on the bottom plate 2, the plurality of first liquid flow channels 4 and the second liquid flow channels 5 fill the bottom plate 2, and the cooling liquid flowing in the first liquid flow channels 4 and the second liquid flow channels 5 can accelerate the heat energy transmitted from the bottom plate 2 and the top plate 1, so that the heat energy on the liquid cooling plate can be transmitted into the liquid cooling unit through the cooling liquid in time.

[0044] The liquid cooling unit is prior art, and is not optimized in the case, so it is not explained in detail.

[0045] The top plate 1 is provided with a plurality of first embedding openings 11, and each first embedding opening 11 corresponds to a corresponding second embedding opening 21 one by one.

[0046] The two ends of the top plate 1 are provided with a plurality of first limiting ear blocks 12, and the two ends of the bottom plate 2 are provided with a plurality of second limiting ear blocks 22, and each first limiting ear block 12 corresponds to a corresponding second limiting ear block 22 one by one, and each first limiting ear block 12 and the corresponding second limiting ear block 22 are fastened by a rivet nut.

[0047] The liquid inlet and the liquid outlet are provided with a water nozzle 3 away from the bottom plate 2, and the liquid inlet and the liquid outlet are connected with the water nozzle 3 by welding, and the connection between the water nozzle 3 and the liquid inlet and the liquid outlet is detachably provided with a dust cover.

[0048] The outer edge of the top plate 1 and the bottom plate 2 is sprayed with an insulating layer after buckling, the insulating layer is ENVIROCRON insulating powder coating, the powder spraying thickness is greater than or equal to 50 microns, the plastic color number is RAL7042, the flat light gray, the liquid inlet and the liquid outlet, the head of the water nozzle 3 need to be shielded when spraying the powder, and the surface spraying layer adhesion requirement is 1≤grade according to GB9286 test grade.

[0049] The air tightness requirement of all the first liquid flow channels 4 and the second liquid flow channels 5 inside the top plate 1 and the bottom plate 2 after buckling is that the air test is that the test pressure is 250 KPa, the inflation time is 60 s, the stable time is 60 s, the test time is 60 s, and the pressure drop is less than 65 Pa.

[0050] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A liquid-cooled plate, characterized in that, The utility model relates to a liquid cooling plate for battery pack, which comprises: a top plate (1) abutting on a battery pack, a bottom plate (2) being buckled on the side of the top plate (1) away from the battery pack, a plurality of first fixing ports (13) being arranged on the bottom plate (2), a liquid inlet and a liquid outlet being arranged on the top plate (1), and the liquid inlet and the liquid outlet being adjacent to each other; the bottom plate (2) being provided with a plurality of first liquid flow channels (4) and second liquid flow channels (5) on the side thereof facing the top plate (1), the first liquid flow channels (4) and the second liquid flow channels (5) being in communication with each other, the first liquid flow channels (4) being sealedly connected with the liquid outlet, the second liquid flow channels (5) being sealedly connected with the liquid inlet, the liquid inlet being located at the end of the second liquid flow channels (5) close to the liquid outlet, and the bottom plate (2) being provided with a plurality of second fixing ports (23), each of the first fixing ports (13) corresponding to one of the second fixing ports (23).

2. The liquid cooling plate according to claim 1, wherein the first liquid flow channels (4) are linearly arranged on the bottom plate (2), and each of the first liquid flow channels (4) is parallel to the wide face of the bottom plate (2), the second liquid flow channels (5) are parallel to the narrow face of the bottom plate (2), and the second liquid flow channels (5) are located at the end of the bottom plate (2) away from the first liquid flow channels (4).

3. The liquid cooling plate according to claim 2, wherein the second liquid flow channels (5) are provided with a plurality of second embedding ports (21) between the first liquid flow channels (4), and the second embedding ports (21) are located on the bottom plate (2), the top plate (1) is provided with a plurality of first embedding ports (11), and each of the first embedding ports (11) corresponds to one of the second embedding ports (21).

4. The liquid cooling plate according to claim 1, wherein the top plate (1) is provided with a plurality of first limiting lug blocks (12) at both ends thereof, the bottom plate (2) is provided with a plurality of second limiting lug blocks (22) at both ends thereof, and each of the first limiting lug blocks (12) corresponds to one of the second limiting lug blocks (22), 5. The liquid cold plate of claim 4, wherein, each of the first limiting lug blocks (12) and the corresponding second limiting lug blocks (22) are fastened by a rivet nut, 6. The liquid cold plate of claim 1, wherein, the liquid inlet and the liquid outlet are provided with a water nozzle (3) on the side thereof away from the bottom plate (2), 7. The liquid cold plate of claim 6, wherein, the liquid inlet and the liquid outlet are connected with the water nozzle (3) by welding, 8. The liquid cold plate of claim 7, wherein, a dustproof cover is detachably arranged at the connection between the water nozzle (3) and the liquid inlet and the liquid outlet, 9. The liquid cold plate of claim 1, wherein, the side of the top plate (1) abutting on the battery pack is provided with an insulating layer, 10. The liquid cold plate of claim 9, wherein, the insulating layer is an ENVIROCRON® insulating powder coating.

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