CN218827444U - Cold plate heat exchanger, battery package, thermal management system and vehicle - Google Patents

Cold plate heat exchanger, battery package, thermal management system and vehicle Download PDF

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Publication number
CN218827444U
CN218827444U CN202223112013.7U CN202223112013U CN218827444U CN 218827444 U CN218827444 U CN 218827444U CN 202223112013 U CN202223112013 U CN 202223112013U CN 218827444 U CN218827444 U CN 218827444U
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China
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plate body
heat exchanger
plate
cold
transparent region
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CN202223112013.7U
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Inventor
钟日军
朱瑞元
蔡耀民
古正荣
陈潞
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BYD Co Ltd
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BYD Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a cold drawing heat exchanger, battery package, thermal management system and vehicle, the cold drawing heat exchanger includes: the first plate body and the second plate body. The first plate body and the second plate body are stacked and connected, a cooling channel is defined between the first plate body and the second plate body, an inlet and an outlet communicated with the cooling channel are formed in the first plate body, at least one of the first plate body and the second plate body is provided with a transparent area, and at least part of the cooling channel is covered by the transparent area. According to the utility model discloses a cold drawing heat exchanger through making to have the transparent region relative with the cooling runner on at least one in first plate body and the second plate body, can see through the flow state of refrigerant in the transparent region observation cooling runner, explores cold drawing heat exchanger's heat transfer ability better.

Description

Cold plate heat exchanger, battery package, thermal management system and vehicle
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a cold drawing heat exchanger, battery package, thermal management system and vehicle are related to.
Background
In the correlation technique, the battery package adopts the cold drawing heat exchanger to cool down, and the cold drawing heat exchanger adopts two aluminum plate welded forming's mode, and one is the punching press board that has the runner, and another panel is a flat board, prescribes a limit to the cooling runner between punching press board and the flat board, and welded joint and cooling runner intercommunication on the flat board. The refrigerant enters the heat exchanger through the joint inlet, flows in the cooling flow channel in a circulating mode, finally converges and flows out of the joint outlet, and the circulation of the refrigerant in the cooling flow channel is completed. The heat exchanger exchanges heat with the power battery through the characteristic that the refrigerant evaporates to absorb heat, so that the purpose of cooling the power battery is achieved.
The cold plate is used as an evaporator and a condenser in the whole thermal management system, and the two-phase refrigerant is continuously gasified from a liquid state to be called as a gaseous state along with the pipeline or is continuously condensed from the gaseous state to be called as the liquid state. The process of phase change of the two-phase flow is very complex, and particularly the nucleation state of liquid drops seriously influences the heat exchange coefficient of the cold plate, so that the search for the heat exchange capability of the cold plate is very important.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a cold drawing heat exchanger, the cold drawing heat exchanger can clearly survey the condition of fluid flow in the cooling runner, is convenient for probe into cold drawing heat exchanger's heat transfer ability.
The utility model also provides a battery package, the battery package includes foretell cold drawing heat exchanger.
The utility model also provides a heat management system, heat management system includes foretell battery package.
The utility model also provides a vehicle, the vehicle includes foretell thermal management system.
According to the utility model discloses cold plate heat exchanger, include: a first plate body; the second plate body, first plate body with the range upon range of setting of second plate body and connection, first plate body with inject cooling channel between the second plate body, be equipped with on the first plate body with the import and the export of cooling channel intercommunication, first plate body with at least one in the second plate body has transparent region, transparent region covers at least part cooling channel.
According to the utility model discloses cold drawing heat exchanger is through making the range upon range of setting of first plate body and second plate body and connecting to inject the cooling runner between first plate body and second plate body, and make and have the transparent region relative with the cooling runner on at least one in first plate body and the second plate body, can see through the flow state of refrigerant in the transparent region observation cooling runner, explore cold drawing heat exchanger's heat transfer ability better.
In addition, according to the utility model discloses cold plate heat exchanger still has following additional technical characterstic:
in some embodiments of the present invention, the second plate body faces the surface of the first plate body, and the surface of the second plate body has a groove facing away from the direction of the first plate body, and the inner wall of the groove and the surface of the first plate body together define the cooling flow channel.
In some embodiments of the present invention, the first plate body has the transparent region and a non-transparent region, the transparent region covers at least a portion of the cooling flow channel, and the inlet and the outlet are disposed in the non-transparent region.
In some embodiments of the present invention, the first plate body comprises a first sub-plate body and a second sub-plate body connected to each other, the first sub-plate body is a transparent member and is formed as the transparent region of the first plate body, and the second sub-plate body is a non-transparent member and is formed as the non-transparent region of the first plate body.
In some embodiments of the present invention, the second sub-plate body is an aluminum plate.
In some embodiments of the present invention, the first sub-board body and the second sub-board body are bonded and connected.
In some embodiments of the present invention, the transparent region is bonded to the second plate body, and the non-transparent region is welded to the second plate body.
In some embodiments of the present invention, the second plate body is an aluminum plate.
In some embodiments of the present invention, the method further comprises: the joint is connected with the first plate body and provided with a first channel and a second channel, the joint is provided with a first port and a second port communicated with the first channel, and a third port and a fourth port communicated with the second channel, the first port is communicated with the inlet, and the third port is communicated with the outlet.
According to the utility model discloses the battery package, including foretell cold plate heat exchanger.
According to the utility model discloses the battery package, through setting up foretell cold drawing heat exchanger, can cool off the battery package, the cooling, radiating effect, the stability of performance that keeps the battery package, reduce the loss of bringing the battery package because of the high temperature, the life cycle of extension battery package, in addition, make to have the transparent region relative with the cooling runner on at least one in first plate body and the second plate body, can see through the flow state of refrigerant in the transparent region observation cooling channel, explore the heat transfer ability of cold drawing heat exchanger better, improve the cooling and the cooling effect to the battery package.
According to the utility model discloses heat management system, including refrigeration circuit and foretell battery package, the cold drawing heat exchanger connect in the refrigeration circuit.
According to the utility model discloses heat management system through setting up above-mentioned battery package, carries out cooling to the battery package through the cold drawing heat exchanger, and refrigeration circuit plays radiating effect to the cold drawing heat exchanger, has effectively improved heat management system's radiating efficiency, makes coefficient of heat transfer tend to stable. In addition, at least one of the first plate body and the second plate body is provided with a transparent area opposite to the cooling channel, so that the flowing state of a refrigerant in the cooling channel can be observed through the transparent area, the heat exchange capability of the cold plate heat exchanger can be better explored, and the cooling and cooling effects on the battery pack can be improved.
According to the utility model discloses the vehicle, including foretell thermal management system.
According to the utility model discloses the vehicle through setting up above-mentioned heat management system, carries out cooling to the battery package through the cold drawing heat exchanger, and refrigeration circuit plays radiating effect to the cold drawing heat exchanger, effectively guarantees the reliability and the security of vehicle work. In addition, at least one of the first plate body and the second plate body is provided with a transparent area opposite to the cooling channel, so that the flowing state of a refrigerant in the cooling channel can be observed through the transparent area, the heat exchange capability of the cold plate heat exchanger can be better explored, and the cooling and cooling effects on the battery pack can be improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a cold plate heat exchanger according to an embodiment of the present invention;
fig. 2 is an exploded view of a cold plate heat exchanger according to an embodiment of the present invention;
fig. 3 is a top view of a cold plate heat exchanger according to an embodiment of the present invention.
Reference numerals:
100. a cold plate heat exchanger;
1. a first plate body; 11. a first sub-board body; 12. a second sub-board body; 121. an inlet; 122. an outlet;
2. a second plate body; 21. a cooling channel; 22. entering a channel; 23. a discharge passage; 24. a cooling flow channel;
3. and (4) a joint.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to 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", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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 as a specific case by those skilled in the art.
A cold plate heat exchanger 100 according to an embodiment of the present invention is described below with reference to fig. 1-3.
As shown in fig. 1, a cold plate heat exchanger 100 according to an embodiment of the present invention includes: a first plate body 1 and a second plate body 2.
Specifically, the first plate body 1 and the second plate body 2 are stacked and connected, a cooling channel 24 is defined between the first plate body 1 and the second plate body 2, the cooling channel 24 includes a cooling channel 21, and an inlet channel 22 and an outlet channel 23 which are respectively communicated with two ends of the cooling channel 24, the first plate body 1 is provided with an inlet 121 and an outlet 122 which are communicated with the cooling channel 24, the inlet channel 22 is communicated with the inlet 121, and the outlet channel 23 is communicated with the outlet 122. The refrigerant may enter the inlet passage 22 through the inlet 121 and then flow into the cooling passage 21, and the refrigerant after heat exchange in the cooling passage 21 may exit the cold plate heat exchanger 100 through the outlet passage 23 and the outlet 122. The cooling medium can transfer cooling energy to the first plate body 1 and the second plate body 2 in the process of flowing through the cooling channel 21, the inlet channel 22 and the outlet channel 23, and the electric core assembly is cooled through direct contact or indirect contact of the first plate body 1 or the second plate body 2 and the electric core assembly.
The cold plate heat exchanger 100 functions as both an evaporator and a condenser throughout the thermal management system, and the two-phase refrigerant is continuously vaporized from a liquid state to a gaseous state or continuously condensed from a gaseous state to a liquid state along with the cooling channel 24. Since the process of the two-phase flow with phase change is very complicated, especially the droplet nucleation state seriously affects the heat exchange coefficient of the cold plate, the two-phase flow and the two-phase ratio in the cold plate heat exchanger 100 must be clear, so as to search the heat exchange capacity of the cold plate heat exchanger 100.
To better observe the two-phase flow and the two-phase ratio in the cold plate heat exchanger 100, at least one of the first plate body 1 and the second plate body 2 has a transparent region that covers at least a portion of the cooling flow passages 24. It will be understood that only the first plate body 1 may have a transparent area, that only the second plate body 2 may have a transparent area, and that both the first plate body 1 and the second plate body 2 may have a transparent area, and that at least a partial area of the cooling channel 24 is opposite to the transparent area on the first plate body 1 or the second plate body 2. The transparent area has high light transmittance, at least part of the cooling channel 24 is covered by the transparent area, the flowing condition of the refrigerant in the cooling channel 24 can be conveniently and clearly observed through the transparent area, the uniformity of fluid flow, the gas-liquid ratio of the refrigerant, the boiling heat transfer of the refrigerant and the like can be intuitively understood, and the heat exchange capacity of the cold plate is explored.
For example, in the example shown in fig. 1 and 2, the first plate body 1 has a transparent area (the area where the first sub-plate body 11 described below is located) that completely covers the cooling channel 21.
Further, as can be seen from the schematic diagram of fig. 1, the dimension in the length direction of the first plate body 1 is the same as the dimension in the length direction of the second plate body 2, the two ends in the length direction of the first plate body 1 are flush with the two ends in the length direction of the second plate body 2, the dimension in the width direction of the first plate body 1 is the same as the dimension in the width direction of the second plate body 2, and the two ends in the width direction of the first plate body 1 are flush with the two ends in the width direction of the second plate body 2. In the thickness direction of the second plate body 2, the first plate body 1 is stacked on the second plate body 2, and the surface of the first plate body 1 facing the second plate body 2 is attached to and connected with the surface of the second plate body 2 facing the first plate body 1.
In the example shown in fig. 2, the cooling channel 21 is coiled in a serpentine shape, the cooling channel 21 is two spaced apart, two inlet channels 22 and one outlet channel 23 are provided at one side of the cooling channel 21, the two inlet channels 22 are respectively communicated with the two cooling channels 21, the outlets 122 of the two cooling channels 21 converge and then are communicated with the same outlet channel 23, and the first plate body 1 is provided with two inlets 121 communicated with the two inlet channels 22 and an outlet 122 communicated with the one outlet channel 23. Of course, two discharge channels 23 and one inlet channel 22 may be understood, one end of the inlet channel 22 is branched to communicate with the two cooling channels 21, the two cooling channels 21 are respectively communicated with the two discharge channels 23, and the first plate body 1 is provided with two outlets 122 communicated with the two discharge channels 23 and an inlet 121 communicated with the one inlet channel 22, which is not limited herein.
The inlet 121 and the outlet 122 are located on the same side, which facilitates the on-site installation and arrangement of the cold plate heat exchanger 100.
According to the utility model discloses cold plate heat exchanger 100 is through making the range upon range of setting of first plate body 1 and second plate body 2 and connecting to inject cooling runner 24 between first plate body 1 and second plate body 2, and make and have the transparent region relative with cooling runner 24 on at least one in first plate body 1 and the second plate body 2, can see through the flow state of refrigerant in the transparent region observation cooling runner 24, explore cold plate heat exchanger 100's heat transfer ability better.
According to some embodiments of the present invention, as shown in fig. 1 and 2, the surface of the second plate body 2 facing the first plate body 1 has a concave groove facing the direction of keeping away from the first plate body 1, and the inner wall of the groove and the surface of the first plate body 1 facing the second plate body 2 define the cooling flow channel 24 together. It is understood that a groove may be formed on the second plate 2 (as shown in fig. 2), in the thickness direction of the second plate 2, the groove is formed by a portion of the second plate 2 being recessed toward a direction away from the first plate 1, the opening direction of the groove is toward the first plate 1, the first plate 1 may be a flat plate, and the inner wall of the groove and the surface of the first plate 1 facing the second plate 2 together form the cooling channel 24.
In addition, the region of the second plate body 2 facing the surface of the first plate body 1, where no groove is formed, is attached and connected to the surface of the first plate body 1 facing the second plate body 2, so as to ensure the sealing performance of the cooling channel 24. Further, the edges of the first plate body 1 and the second plate body 2 are hermetically connected.
Alternatively, the second plate body 2 may be a stamping, and the groove on the second plate body 2 may be formed by stamping. The grooves are formed by stamping the second plate body 2, so that the forming die has the characteristics of simple process and easiness in forming, and meanwhile, the material and the cost are saved. In addition, the cooling flow channel 24 formed by the stamped groove and the first plate body 1 is not easy to leak.
In some embodiments of the present invention, the first plate 1 has a transparent region and a non-transparent region, the transparent region covers at least a portion of the cooling channel 24, and the inlet 121 and the outlet 122 are disposed in the non-transparent region. The transparent material is limited, and the part of the first plate body 1 is set to be a non-transparent area, so that the possibility of material selection of the non-transparent area can be increased, the heat exchange capacity and the structural strength of the cold plate heat exchanger 100 can be better guaranteed, and the connection with the second plate body 2 can be conveniently realized. In addition, by dividing the transparent area and the non-transparent area on the first plate body 1, the transparent area can be used to visually know the two-phase change condition of gas state and liquid state in the cooling flow channel 24, so as to better observe the heat exchange capability of the cold plate heat exchanger 100.
Specifically, as shown in fig. 2, the first plate body 1 is formed of two parts, and the first plate body 1 is divided into a transparent region and a non-transparent region, the transparent region and the non-transparent region are arranged and connected in the length direction of the first plate body 1, the transparent region is a rectangular region for completely covering the cooling passage 21, and the non-transparent region is for covering the intake passage 22 and the discharge passage 23. The cooling channels 21 are mainly used for two-phase flow of gas and liquid, the inlet channels 22 and the outlet channels 23 are used for inflow and outflow of gas and liquid, and the area of the cooling channels 21 on the second plate body 2 is not smaller than that of the inlet channels 22 and the outlet channels 23.
Further, the transparent area on the first board body 1 is not smaller than the non-transparent area. The inlet 121 communicated with the inlet channel 22 and the outlet 122 communicated with the outlet channel 23 are arranged at one end of the non-transparent area, so that the installation is convenient, and the stability of the plate body in the non-transparent area is improved.
In some embodiments of the present invention, the first board body 1 includes a first board body 11 and a second board body 12 connected to each other, the first board body 11 is a transparent member and is formed as a transparent region of the first board body 1, and the second board body 12 is a non-transparent member and is formed as a non-transparent region of the first board body 1. The structure of the first plate body 1 can thereby be simplified.
Specifically, as shown in fig. 1 to 3, the first board body 11 and the second board body 12 are arranged and spliced in the length direction of the first board body 1, the splicing line of the first board body 11 and the second board body 12 extends along the width direction of the first board body 1, wherein the first board body 11 is a transparent piece, and the second board body 12 is a non-transparent piece. The first sub-plate body 11 completely covers the cooling channel 21, and the second sub-plate body 12 covers the area of the inlet channel 22 and the outlet channel 23 of the second plate body 2. The end of the second sub-plate body 12 remote from the first sub-plate body 11 is provided with a flange, and an inlet 121 communicating with the inlet channel 22 and an outlet 122 communicating with the outlet channel 23 are provided on the flange of the second sub-plate body 12.
Optionally, the area of the first sub-board body 11 is not smaller than that of the second sub-board body 12.
Alternatively, the first sub-board body 11 is made of a transparent material having high light transmittance and high temperature and pressure resistance, and the second sub-board body 12 is made of a non-transparent material.
In some embodiments of the present invention, the second sub-plate body 12 is an aluminum plate. The second sub-plate body 12 is made of aluminum material, so that the weight of the cold plate heat exchanger 100 is reduced, the heat exchange effect is ensured, meanwhile, the corrosion resistance is good, the connection strength between the plate bodies is increased, and the overall structure tends to be stable. The first plate body 1 is composed of an aluminum plate and a transparent part, the transparent plate and the aluminum plate are flat plates, and the area of the transparent part is not smaller than that of the aluminum plate.
In some embodiments of the present invention, the first sub-plate body 11 and the second sub-plate body 12 are bonded. Transparent piece and aluminum plate adopt sticky mode, have strengthened the leakproofness of first plate body 11 with the concatenation department of second plate body 12 and the fastness that the two is connected, and then realize the effect that first plate body 11 and second plate body 12 link to each other, both can guarantee cold drawing heat exchanger 100 working process, can observe the mobile form and the gas-liquid double-phase state of cooling runner 24 in first plate body 11 and the 2 range upon range of regional of second plate body, also can guarantee, the stability that second plate body 12 and the 2 range upon range of regional connections of second plate body.
The utility model discloses an in some embodiments, transparent region and second plate body 2 bond, non-transparent region and the welding of second plate body 2, mode through bonding is fixed transparent region and second plate body 2, the connected mode step of bonding is simple, the operation is swift, easily the restoration, fastness and leakproofness between increase transparent region and the second plate body 2, non-transparent region and the welding of second plate body 2, welding process has durably, the characteristics of difficult fracture, very big improvement the stability that non-transparent region and second plate body 2 are connected.
Specifically, the transparent area is connected with the surface of the non-cooling channel 21 of the second plate body 2 in an adhesive manner, so that the sealing performance of the bonding area of the first sub-plate body 11 and the second plate body 2 is improved. When first plate body 11 and second plate body 2 are connected, the patchwork department at edge adopts sticky mode to seal equally, guarantees the leakproofness in cooling channel 21 work constitution, prevents the condition that gas leakage or infiltration appear in the course of the work. The second plate body 12 and the second plate body 2 can both adopt aluminum plates, the aluminum plates have the characteristic of light weight, meanwhile, the second plate body 12 and the second plate body 2 can adopt braze welding connection with stable welding performance, the positioning effect on the first plate body 1 and the second plate body 2 is achieved, and the firmness of the overall connection of the cold plate heat exchanger 100 is enhanced.
According to some embodiments of the present invention, the second plate body 2 is an aluminum plate. The second plate body 2 is made of aluminum materials, so that the weight of the cold plate heat exchanger 100 is reduced, the heat exchange effect can be guaranteed, meanwhile, the corrosion resistance is good, the connection stability between the plate bodies is improved, and the overall structure of the cold plate heat exchanger 100 tends to be stable.
In addition, the second plate body 2 and the second sub-plate body 12 are both aluminum plates, so that the quality of the cold plate heat exchanger 100 is further reduced, and the aluminum plates are fixed by adopting a brazing mode, so that the cold plate heat exchanger has the characteristics of convenience in operation and simple structure, and the stability of the structure in the use process of the cold plate heat exchanger 100 is effectively ensured.
In some embodiments of the present invention, the cold plate heat exchanger 100 further comprises a connector 3, the connector 3 is connected to the first plate 1 and has a first channel and a second channel, the connector 3 has a first port and a second port communicated with the first channel and a third port and a fourth port communicated with the second channel, the first port is communicated with the inlet 121, the third port is communicated with the outlet 122, and the second port and the fourth port can be connected to an external pipeline. The connection between the cooling channel 24 and the external line can thus be realized by connecting the connection 3 to the external line.
Optionally, the joint 3 of the cold plate heat exchanger 100 is fixedly connected to the second sub-plate body 12 of the first plate body 1 by brazing, and the joint 3 is connected to the first plate body 1 at one end of the second sub-plate body 12.
According to the utility model discloses the battery package of embodiment, including foretell cold plate heat exchanger 100.
According to the utility model discloses the battery package, through setting up foretell cold drawing heat exchanger 100, can cool off the battery package, the cooling, radiating effect, the stable performance who keeps the battery package, reduce the loss because of the high temperature brings the battery package, the life cycle of extension battery package, additionally, make to have on at least one in first plate body 1 and the second plate body 2 and cool off runner 24 relative transparent area, can see through the flow state of refrigerant in the transparent area observation cooling channel 21, explore the heat transfer ability of cold drawing heat exchanger 100 better, improve the cooling and the cooling effect to the battery package.
According to the utility model discloses thermal management system, including refrigeration circuit and foretell battery package, cold plate heat exchanger 100 connect in the refrigeration circuit. Wherein the refrigeration circuit may be a refrigeration circuit of an air conditioning system of the vehicle.
The cold plate heat exchanger 100 is used for cooling the battery pack, and meanwhile, the cold plate heat exchanger 100 is further connected in the refrigerating loop, so that heat exchange of the cold plate heat exchanger 100 is realized, interaction of the cold plate heat exchanger and the cold plate heat exchanger promotes the heat exchange efficiency of the vehicle heat management system, the purpose of alternate heat exchange is achieved, the temperature of the battery pack tends to be uniform, the heat exchange efficiency is improved, the service life of a power battery is prolonged, and the safety of a vehicle is guaranteed.
According to the utility model discloses heat management system, through setting up above-mentioned battery package, carry out cooling through cold drawing heat exchanger 100 to the battery package, refrigeration circuit plays radiating effect to cold drawing heat exchanger 100, has effectively improved heat management system's radiating efficiency, makes coefficient of heat transfer tend to stable. In addition, make to have the transparent region relative with cooling channel 24 on at least one in first plate body 1 and the second plate body 2, can see through the flowing state of refrigerant in the transparent region observation cooling channel 21, explore the heat transfer ability of cold plate heat exchanger 100 better, improve the cooling and the cooling effect to the battery package.
According to the utility model discloses vehicle, including foretell thermal management system.
According to the utility model discloses the vehicle through setting up above-mentioned heat management system, carries out cooling to the battery package through cold drawing heat exchanger 100, and the refrigeration circuit plays radiating effect to cold drawing heat exchanger 100, effectively guarantees the reliability and the security of vehicle work. In addition, make to have the transparent region relative with cooling channel 24 on at least one in first plate body 1 and the second plate body 2, can see through the flowing state of refrigerant in the transparent region observation cooling channel 21, explore the heat transfer ability of cold plate heat exchanger 100 better, improve the cooling and the cooling effect to the battery package.
Other configurations of the cold plate heat exchanger 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A cold plate heat exchanger, comprising:
a first plate body;
the second plate body, first plate body with the range upon range of setting of second plate body and connection, first plate body with inject cooling channel between the second plate body, be equipped with on the first plate body with the import and the export of cooling channel intercommunication, first plate body with at least one in the second plate body has transparent region, transparent region covers at least part cooling channel.
2. The cold plate heat exchanger of claim 1, wherein a surface of the second plate body facing the first plate body has a groove recessed away from the first plate body, an inner wall of the groove and a surface of the first plate body facing the second plate body together defining the cooling flow passage.
3. The cold plate heat exchanger of claim 1, wherein the first plate body has the transparent region and a non-transparent region, the transparent region covering at least a portion of the cooling flow passage, the inlet and the outlet being provided in the non-transparent region.
4. The cold plate heat exchanger of claim 3, wherein the first plate body comprises a first and a second connected sub-plate body, the first sub-plate body being a transparent piece and formed as the transparent region of the first plate body, the second sub-plate body being a non-transparent piece and formed as the non-transparent region of the first plate body.
5. The cold plate heat exchanger of claim 4, wherein the second sub-plate body is an aluminum plate.
6. The cold plate heat exchanger of claim 4, wherein the first and second sub-plate bodies are adhesively connected.
7. The cold plate heat exchanger of claim 3, wherein the transparent region is bonded to the second plate body and the non-transparent region is welded to the second plate body.
8. The cold plate heat exchanger according to any of claims 1-7, wherein the second plate body is an aluminum plate.
9. The cold plate heat exchanger of claim 1, further comprising:
the joint is connected with the first plate body and provided with a first channel and a second channel, the joint is provided with a first port and a second port communicated with the first channel, and a third port and a fourth port communicated with the second channel, the first port is communicated with the inlet, and the third port is communicated with the outlet.
10. A battery pack comprising the cold plate heat exchanger of any of claims 1-9.
11. A thermal management system, comprising:
a refrigeration circuit;
the battery pack of claim 10, the cold plate heat exchanger being connected within the refrigeration circuit.
12. A vehicle comprising a thermal management system according to claim 11.
CN202223112013.7U 2022-11-22 2022-11-22 Cold plate heat exchanger, battery package, thermal management system and vehicle Active CN218827444U (en)

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