CN115588804B - A liquid cooling plate - Google Patents
A liquid cooling plate Download PDFInfo
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- CN115588804B CN115588804B CN202211232803.0A CN202211232803A CN115588804B CN 115588804 B CN115588804 B CN 115588804B CN 202211232803 A CN202211232803 A CN 202211232803A CN 115588804 B CN115588804 B CN 115588804B
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- Prior art keywords
- cavity
- cooling liquid
- port
- liquid
- cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
本发明公开一种液冷板，包括板主体与管道，板主体内设有空腔，空腔内流通第一冷却液，板主体第一方向的一侧沿第二方向间隔设有两个端口，两个端口贯穿至空腔设置，其中一个端口供第一冷却液输入，另一个端口供第一冷却液输出，两个端口之间沿第二方向间隔设有两个开口，管道设于空腔内，连通两个开口，管道内流通有第二冷却液。本发明提供的技术方案中，在空腔内设有管道，空腔内流通有第一冷却液进行散热，通过第一冷却液的流动可带走空腔内部分热量，同时管道内流通有第二冷却液，第二冷却液与第一冷却液反向流动形成对流，通过第二冷却液可带走第一冷却液的热量，进一步降低液冷板内部的温度，大大提高了散热效率。
The present invention discloses a liquid cooling plate, including a plate body and a pipeline, a cavity is provided in the plate body, a first cooling liquid flows in the cavity, two ports are provided at intervals along the second direction on one side of the first direction of the plate body, the two ports are arranged through the cavity, one port is for input of the first cooling liquid, and the other port is for output of the first cooling liquid, two openings are provided at intervals along the second direction between the two ports, a pipeline is provided in the cavity, connecting the two openings, and a second cooling liquid flows in the pipeline. In the technical solution provided by the present invention, a pipeline is provided in the cavity, a first cooling liquid flows in the cavity for heat dissipation, and part of the heat in the cavity can be taken away by the flow of the first cooling liquid, and at the same time a second cooling liquid flows in the pipeline, and the second cooling liquid and the first cooling liquid flow in the opposite direction to form convection, and the heat of the first cooling liquid can be taken away by the second cooling liquid, thereby further reducing the temperature inside the liquid cooling plate and greatly improving the heat dissipation efficiency.
Description
Technical Field
The invention relates to the field of battery liquid cooling, in particular to a liquid cooling plate.
Background
The liquid cooling plate is usually arranged in the battery module and is in direct contact with the battery pack, liquid is injected into the liquid cooling plate to dissipate heat of the battery core, and the circulating flowing cooling liquid is utilized to take away heat, so that the battery is cooled to achieve the purpose of heat dissipation.
The liquid cooling plate that current is commonly used takes away the heat that transmits to the liquid cooling plate inside through a circulation flow's coolant liquid only for the upper and lower surface difference in temperature of liquid cooling plate is great, and the coolant liquid of top does not fully mix the cooling with the coolant liquid of below and just circulate and go out, and radiating efficiency is low, after long-term use, the lower surface of liquid cooling plate can produce deformation because of the high temperature, has the space to produce with battery module's contact interface, further reduced radiating efficiency, forms vicious circle.
Disclosure of Invention
The invention mainly aims to provide a liquid cooling plate, which aims to solve the problem that the existing liquid cooling plate is not high enough in heat dissipation efficiency.
In order to achieve the above object, the present invention provides a liquid cooling plate, wherein the liquid cooling plate includes:
A plate main body provided with a cavity in which a first cooling liquid flows, two ports arranged at intervals along a second direction on one side of the first direction of the plate main body, the two ports penetrating into the cavity, one port for inputting the first cooling liquid, the other port for outputting the first cooling liquid, two openings arranged at intervals along the second direction between the two ports, and
And the pipeline is arranged in the cavity and communicated with the two openings, and second cooling liquid is circulated in the pipeline.
Optionally, the two ports are a first port and a second port respectively, wherein the first port is used for inputting the first cooling liquid, and the second port is used for outputting the first cooling liquid;
The openings near the first port and the second port are a first opening and a second opening respectively, the first opening is used for outputting the second cooling liquid, and the second opening is used for inputting the second cooling liquid.
Optionally, the flow rate of the first cooling liquid is Q1, the flow rate of the second cooling liquid is Q2, and q2=1.5q1 to 2.5q1.
Optionally, the conduit is serpentine disposed within the cavity and extends in a first direction.
Optionally, the tube is a fin tube.
Optionally, a plurality of cooling fins extending along the axial direction are arranged on the pipeline.
Optionally, a plurality of fan blades are movably sleeved on the pipeline.
Alternatively, the mounting directions of two adjacent fan blades are opposite.
Optionally, a plurality of flow dividing ribs extending along the first direction are arranged in the cavity, and the cavity is divided by the flow dividing ribs to form a flow passage which is communicated end to end in sequence;
the conduit extends along the flow path.
Optionally, an arc-shaped guide vane is arranged at one end of the flow dividing rib, which is in contact with the cavity.
According to the technical scheme provided by the invention, the pipeline is arranged in the cavity, the first cooling liquid is circulated in the cavity to dissipate heat, part of heat in the cavity can be taken away through the flow of the first cooling liquid, meanwhile, the second cooling liquid and the first cooling liquid reversely flow to form convection, the heat of the first cooling liquid can be taken away through the second cooling liquid, the temperature in the liquid cooling plate is further reduced, and the heat dissipation efficiency is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a liquid cooling plate according to the present invention;
FIG. 2 is a schematic view of the finned tube-equipped liquid cooling plate of FIG. 1;
FIG. 3 is a schematic perspective view of the finned tube of FIG. 1;
Fig. 4 is a schematic perspective view of the finned tube of fig. 2.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Liquid cooling plate | 13 | Second port |
| 1 | Plate body | 21 | A first opening |
| 2 | Pipeline | 22 | A second opening |
| 3 | Flow dividing rib | 23 | Fin tube |
| 11 | Cavity cavity | 24 | Heat sink |
| 12 | First port | 31 | Arc-shaped flow deflector |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear are referred to in the embodiments of the present invention), the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
At present, the heat transferred to the inside of the liquid cooling plate is taken away only through a circulating flowing cooling liquid to enable the temperature difference between the upper surface and the lower surface of the liquid cooling plate to be large, the cooling liquid above is not fully mixed with the cooling liquid below to cool and circulate, the heat dissipation efficiency is low, after long-term use, the lower surface of the liquid cooling plate can deform due to high temperature, gaps are formed between the lower surface of the liquid cooling plate and a contact interface of a battery module, the heat dissipation efficiency is further reduced, and vicious circle is formed.
In order to solve the above-mentioned problems, the present invention provides a liquid cooling plate 100, and fig. 1 to 4 are specific embodiments of the liquid cooling plate provided by the present invention.
Referring to fig. 1 to 4, the liquid cooling plate 100 includes a plate main body 1 and a pipe 2, a cavity 11 is provided in the plate main body 1, a first cooling liquid circulates in the cavity 11, two ports are provided at intervals along a second direction on one side of the plate main body 1 in the first direction, the two ports penetrate through the cavity 11, one port is provided for inputting the first cooling liquid, the other port is provided for outputting the first cooling liquid, two openings are provided between the two ports along the second direction at intervals, the pipe 2is provided in the cavity 11, the two openings are communicated, and a second cooling liquid circulates in the pipe 2.
In the technical scheme provided by the invention, the pipeline 2 is arranged in the cavity 11, the first cooling liquid is circulated in the cavity 11 to dissipate heat, part of heat can be taken away through the flow of the first cooling liquid, meanwhile, the second cooling liquid is circulated in the pipeline 2, and flows reversely with the first cooling liquid to form convection, the heat of the first cooling liquid can be taken away through the second cooling liquid, the temperature in the liquid cooling plate 100 is further reduced, and the heat dissipation efficiency is greatly improved.
The flow directions of the first cooling liquid and the second cooling liquid are not limited, and the first cooling liquid and the second cooling liquid can flow reversely to form convection and also can flow in the same direction as the second cooling liquid, and the flow speed of the first cooling liquid needs to be larger than the flow speed of the second cooling liquid when flowing in the same direction.
The two ports are a first port 12 and a second port 13, the first port 12 is used for inputting the first cooling liquid, the second port 13 is used for outputting the first cooling liquid, openings close to the first port 12 and the second port 13 are a first opening 21 and a second opening 22, the first opening 21 is used for outputting the second cooling liquid, and the second opening 22 is used for inputting the second cooling liquid, and in a preferred embodiment, the flowing direction of the first cooling liquid is opposite to the flowing direction of the second cooling liquid, so that the first cooling liquid and the second cooling liquid can exchange heat fully.
Further, the flow of the first cooling liquid is Q1, the flow of the second cooling liquid is Q2, q2=1.5q1-2.5q1, the flow of the second cooling liquid is 1.5-2.5 parts of the first cooling liquid, heat can be dissipated to the battery module through self circulation flow of the first cooling liquid, the contact time with the battery module in one circulation is long, heat of the battery module can be fully absorbed, the second cooling liquid in circulation can dissipate heat of the first cooling liquid, the temperature of the first cooling liquid is reduced, the first cooling liquid can continuously and rapidly absorb heat, and the heat dissipation efficiency is improved.
The conduit 2 is meandered within the cavity 11 and extends in a first direction. The pipe 2 is arranged in the cavity 11 in a winding way, so that the contact area between the pipe 2 and the first cooling liquid can be increased, and the heat dissipation efficiency is improved.
Further, the pipe 2 is a fin tube 23, and a plurality of fins are arranged outside the fin tube 23, so that the contact area between the pipe 2 and the first cooling liquid can be further increased, and the heat exchange efficiency of the first cooling liquid and the second cooling liquid can be improved.
The heat dissipation plate is characterized in that a plurality of heat dissipation plates 24 extending along the axial direction are arranged on the pipeline 2, the heat dissipation plates 24 extending along the axial direction are arranged, the contact area of the pipeline 2 and the first cooling liquid can be increased, meanwhile, the heat dissipation plates 24 extending along the axial direction are arranged, when the first cooling liquid flows in the cavity 11, the first cooling liquid cannot be blocked, and the flow speed of the first cooling liquid is prevented from being slowed down.
Further, the movable sleeve is provided with a plurality of fan blades, the fan blades are arranged, when the first cooling liquid flows in the cavity 11, the fan blades can be driven to rotate, and conversely, the fan blades apply a stirring force to the first cooling liquid, so that the flowing direction of the first cooling liquid can be disturbed, the first cooling liquid in the cavity 11 is fully mixed, and the temperature difference between the upper surface and the lower surface of the liquid cooling plate 100 is avoided.
The installation directions of the two adjacent fan blades are opposite, and the two adjacent fan blades are arranged in opposite directions, so that the flow of the first cooling liquid can be further disturbed, and the first cooling liquid in the cavity 11 is fully mixed.
Further, a plurality of flow dividing ribs 3 extending along the first direction are arranged in the cavity 11, the plurality of flow dividing ribs 3 divide the cavity 11 to form a flow passage which is communicated end to end in sequence, the pipeline 2 extends along the flow passage, the cavity 11 is internally provided with flow, the flow of the first cooling liquid can cover the whole cavity 11, the first cooling liquid sufficiently dissipates heat of the battery module, and meanwhile the first cooling liquid is enabled to be in full contact with the pipeline 2, so that heat dissipation efficiency is improved.
The one end that reposition of redundant personnel muscle 3 with cavity 11 contact is provided with arc guide vane 31, through setting up arc guide vane 31, reduces first coolant liquid is along the runner is turned to the loss of pressure.
It can be understood that in the present invention, the first port 12 and the second port 13 are disposed through the cavity 11, the first port 12 is used for inputting a first cooling fluid into the cavity 11, the second cooling fluid is used for outputting the first cooling fluid from the cavity 11, so as to form a circulating flow, so as to take away the heat transferred from the battery module, a plurality of flow dividing ribs 3 are disposed in the cavity 11, the plurality of flow dividing ribs 3 divide the cavity 11 into flow passages which are sequentially communicated end to end, so that the first cooling fluid flows in the flow passages, the flowing range covers the cavity 11, an arc-shaped flow guiding sheet 31 is disposed at the end of the flow dividing rib 3 contacting the cavity 11, the first cooling fluid can be guided by the arc-shaped flow guiding sheet 31 in the process of turning the first cooling fluid, so as to avoid the pressure loss caused by the first cooling fluid striking the inner wall of the cavity 11, on the basis of heat taken by circulating the first cooling liquid, a pipeline 2 is arranged in the cavity 11 in a winding way, the second opening 22 is used for the second cooling liquid to enter the pipeline 2, the first opening 21 is used for the second cooling liquid to exit the pipeline 2, the pipeline 2 winds along the flow channel, so that the first cooling liquid and the second cooling liquid reversely flow to form convection, heat exchange is fully performed, the second cooling liquid can absorb the heat of the first cooling liquid, the temperature of the first cooling liquid is reduced, the heat dissipation efficiency is improved, the pipeline 2 can be a finned tube 23, or a plurality of radiating fins 24 extending along the axial direction are arranged on the pipeline 2, the aim of increasing the contact area of the pipeline 2 and the first cooling liquid is achieved, so that the first cooling liquid and the second cooling liquid can fully exchange heat, meanwhile, the fan blades can be arranged outside the pipeline 2, two adjacent fan blades are reversely installed, the fan blades can be driven to rotate in the flowing process of the first cooling liquid, and conversely, the fan blades have stirring force on the first cooling liquid, so that the first cooling liquid in the cavity 11 is fully mixed, and uneven cooling and heating of the first cooling liquid are avoided.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211232803.0A CN115588804B (en) | 2022-10-09 | 2022-10-09 | A liquid cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211232803.0A CN115588804B (en) | 2022-10-09 | 2022-10-09 | A liquid cooling plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115588804A CN115588804A (en) | 2023-01-10 |
| CN115588804B true CN115588804B (en) | 2025-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211232803.0A Active CN115588804B (en) | 2022-10-09 | 2022-10-09 | A liquid cooling plate |
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| Country | Link |
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| CN (1) | CN115588804B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117881170B (en) * | 2024-03-13 | 2024-06-04 | 东莞市隆慧电子科技有限公司 | Water-cooling radiator of frequency converter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384856A (en) * | 2016-11-16 | 2017-02-08 | 东莞市文轩五金制品有限公司 | A circulating channel liquid cold plate for power battery and its processing method |
| CN106767006A (en) * | 2017-01-25 | 2017-05-31 | 吉林大学 | A kind of radiator core structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813518A (en) * | 2015-11-30 | 2017-06-09 | 比亚迪股份有限公司 | A kind of heat exchanger and its battery heating system, battery cooling system |
| CN111490311B (en) * | 2020-04-21 | 2023-08-25 | 上海加冷松芝汽车空调股份有限公司 | Integrated heat exchange plate and vehicle battery thermal management system |
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2022
- 2022-10-09 CN CN202211232803.0A patent/CN115588804B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106384856A (en) * | 2016-11-16 | 2017-02-08 | 东莞市文轩五金制品有限公司 | A circulating channel liquid cold plate for power battery and its processing method |
| CN106767006A (en) * | 2017-01-25 | 2017-05-31 | 吉林大学 | A kind of radiator core structure |
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| CN115588804A (en) | 2023-01-10 |
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