CN116487768A - Multi-effect temperature-equalizing plate and manufacturing process thereof - Google Patents
Multi-effect temperature-equalizing plate and manufacturing process thereof Download PDFInfo
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- CN116487768A CN116487768A CN202310328548.8A CN202310328548A CN116487768A CN 116487768 A CN116487768 A CN 116487768A CN 202310328548 A CN202310328548 A CN 202310328548A CN 116487768 A CN116487768 A CN 116487768A
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- cavity
- lower cover
- upper cover
- middle frame
- refrigerant
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000003507 refrigerant Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 27
- 238000003466 welding Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- 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
- H01M10/6556—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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a multi-effect temperature equalizing plate and a manufacturing process thereof, and relates to the technical field of temperature equalizing plates. The multi-effect temperature equalizing plate and the manufacturing process thereof can greatly reduce the temperature difference generated in the charging or discharging process of the battery, particularly in the fast charging process, can effectively reduce the temperature difference within a proper range, ensure the normal operation of the battery, are suitable for two climatic conditions in summer and winter, and play a key role in the functions of prolonging the service life, improving the cruising ability and the like.
Description
Technical Field
The invention relates to the technical field of temperature equalization plates, in particular to a multi-effect temperature equalization plate and a manufacturing process thereof.
Background
The energy storage battery can generate heat accumulation in the use process, heat dissipation is needed in time to avoid damage caused by overheat of the battery, and generally, a water cooling plate or a direct cooling plate is utilized to absorb the heat of the battery, wherein the water cooling plate takes away the heat of the water cooling plate by utilizing circulating flowing cooling water.
The energy storage battery dissipates heat through the water cooling plate or the direct cooling plate, and if the energy storage battery needs to be charged quickly or stored energy, the temperature difference of each part of the battery is too large to damage the battery, so that the performance and the endurance of the battery are seriously affected.
Accordingly, in view of the above, research and improvement are made to the existing structure and the existing defects, and a multi-effect temperature equalizing plate and a manufacturing process thereof are provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-effect temperature equalizing plate and a manufacturing process thereof, and solves the problems in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a multi-functional samming board, includes samming subassembly, samming subassembly includes lower cover, well frame, upper cover, first cavity, second cavity, capillary structure, pure water and refrigerant, the surface of lower cover is provided with well frame, and the surface connection of well frame has the upper cover, first cavity, second cavity have been seted up to samming subassembly inside, and the surface of lower cover is provided with capillary structure, the inside of first cavity is filled with pure water, the inside of second cavity is filled with the refrigerant.
Further, the first cavity and the second cavity are distributed in a staggered mode, and the capillary structure is located in the first cavity and the second cavity.
Further, the upper surface of the lower cover is tightly attached to the bottom surface of the middle frame, and the upper surface of the middle frame is tightly attached to the lower surface of the upper cover.
Further, the middle frame, the upper cover and the lower cover are welded to enable the first cavity and the second cavity to form a vacuum cavity, and the upper cover is formed by stamping.
Furthermore, the lower cover and the middle frame are formed by stamping, and the middle frame, the upper cover and the lower cover are made of oxygen-free copper.
Further, the capillary structure is a copper braided wire.
Further, the lower cover is connected with the capillary structure in a resistance welding mode.
Further, the manufacturing process of the multi-effect temperature-equalizing plate comprises the following operation steps:
step one: the upper cover, the middle frame and the lower cover are all formed in a stamping mode;
step two: the middle frame is welded with the lower cover, capillary structures are arranged in the first cavity and the second cavity, and the capillary structures are fixed on the surface of the lower cover through resistance welding;
step three: the upper cover and the middle frame are welded and sealed, pure water is injected into the first cavity through the reserved liquid injection port, a refrigerant is injected into the second cavity, the first cavity is firstly injected with pure water and then vacuumized, the second cavity is firstly vacuumized and then injected with the refrigerant, and then vacuumized and then the liquid injection port is sealed, so that the temperature equalizing plate is formed.
The invention provides a multi-effect temperature equalizing plate and a manufacturing process thereof, which have the following beneficial effects:
the multi-effect temperature equalizing plate can greatly reduce the temperature difference generated in the charging or discharging process of the battery, particularly in the fast charging process, can effectively reduce the temperature difference within a proper range, ensures the normal operation of the battery, prolongs the service life, and plays a key role in improving the endurance capacity and other functions.
The multi-effect temperature-equalizing plate and the manufacturing process thereof, wherein pure water is filled in the first cavity, refrigerant is filled in the second cavity, the refrigerant and the pure water are distributed in a staggered way, pure water is mainly heated and evaporated to perform vapor-liquid two-phase fluid conversion at normal temperature or high temperature so as to absorb heat of the energy storage battery to realize heat dissipation, and the refrigerant is mainly used at low temperature, and the refrigerant still keeps liquid state to absorb heat to evaporate to perform vapor-liquid two-phase fluid conversion under the low temperature condition, so that the temperatures of all parts of the battery can be balanced at different temperatures, and the damage to the battery caused by overlarge temperature difference of all parts of the battery is avoided, thereby having important protection effect on the performance and endurance of the battery.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a multi-functional temperature-equalizing plate according to the present invention;
FIG. 2 is a schematic diagram showing the connection structure of the lower cover and the middle frame of the multi-functional temperature-equalizing plate according to the present invention;
fig. 3 is a schematic diagram of pure water and refrigerant distribution structure of a multi-functional temperature-equalizing plate according to the present invention.
In the figure: 1. a temperature equalizing component; 101. a lower cover; 102. a middle frame; 103. an upper cover; 104. a first cavity; 105. a second cavity; 106. a capillary structure; 107. pure water; 108. and (3) a refrigerant.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
As shown in fig. 1-3, the present invention provides the following technical solutions: the multifunctional temperature equalizing plate comprises a temperature equalizing assembly 1, wherein the temperature equalizing assembly 1 comprises a lower cover 101, a middle frame 102, an upper cover 103, a first cavity 104, a second cavity 105, a capillary structure 106, pure water 107 and a refrigerant 108, the surface of the lower cover 101 is provided with the middle frame 102, the surface of the middle frame 102 is connected with the upper cover 103, the surface of the middle frame 102 is provided with the first cavity 104 and the second cavity 105, the surface of the lower cover 101 is provided with the capillary structure 106, pure water 107 is filled in the first cavity 104, the refrigerant 108 is filled in the second cavity 105, the first cavity 104 and the second cavity 105 are distributed in a staggered manner, the capillary structure 106 is positioned in the first cavity 104 and the second cavity 105, the upper surface of the lower cover 101 is tightly attached to the bottom surface of the middle frame 102, the upper surface of the middle frame 102 is tightly attached to the lower surface of the upper cover 103, the middle frame 102, the upper cover 103 and the lower cover 101 are welded to form a vacuum cavity 104 and the second cavity 105, the upper cover 103 is provided with the lower cover 101, the upper cover 102 and the lower cover 101 is a copper-free-wire structure, and the lower cover is formed by punching and the copper-free structure is formed by punching and the upper cover 101 and the lower cover is provided with the capillary structure;
the operation is that the first cavity 104 is filled with pure water 107, the second cavity 105 is filled with refrigerant 108, the refrigerant 108 and the pure water 107 are distributed alternately, the liquid injection port of the first cavity 104 and the liquid injection port of the second cavity 105 are distributed at two ends, the battery heat is transferred to the first cavity 104 and the second cavity 105 by the lower cover 101 and the capillary structure 106, the pure water 107 is mainly heated and evaporated to perform vapor-liquid two-phase fluid conversion at normal temperature or high temperature so as to absorb the heat of the energy storage battery to realize heat dissipation, the refrigerant 108 is mainly used at low temperature, the refrigerant 108 still keeps the liquid state to absorb the heat to evaporate to perform vapor-liquid two-phase fluid conversion under low temperature, thus balancing the temperature of each part of the battery at different temperatures, avoiding the damage to the battery due to overlarge temperature difference of each part of the battery, therefore, the battery performance and the endurance are protected, the first cavity 104 and the second cavity 105 are distributed in a staggered manner, so that the refrigerant 108 and the pure water 107 are not contacted with each other, and the pure water 107 and the refrigerant 108 are not interfered with each other when in gas-liquid two-phase fluid conversion, therefore, the multi-effect temperature equalizing plate can greatly reduce the temperature difference generated in the charging or discharging process of the battery, particularly in the fast charging process, the temperature difference can be effectively reduced within a proper range, the normal operation of the battery is ensured, the service life is prolonged, the endurance is improved, and the like, the middle frame 102, the upper cover 103 and the lower cover 101 form a vacuum cavity through welding, the refrigerant 108 and the pure water 107 are repeatedly subjected to gas-liquid two-phase fluid conversion in the vacuum cavity, so that the liquid gasification loss is avoided and the liquid loss is reduced, therefore, the heat dissipation is carried out without the external circulation flow of the liquid, and the volume weight of the multi-effect temperature-equalizing plate is reduced.
As shown in fig. 1 to 3, a manufacturing process of a multi-effect temperature-equalizing plate includes the following steps:
step one: the upper cover 103, the middle frame 102 and the lower cover 101 are all formed by stamping;
step two: the middle frame 102 is welded with the lower cover 101, a capillary structure 106 is arranged in the first cavity 104 and the second cavity 105, and the capillary structure 106 is fixed on the surface of the lower cover 101 through resistance welding;
step three: the upper cover 103 and the middle frame 102 are welded and sealed, pure water 107 is injected into the first cavity 104 through a reserved liquid injection port, a refrigerant 108 is injected into the second cavity 105, the first cavity 104 is firstly injected with the pure water 107 and then vacuumized, the second cavity 105 is firstly vacuumized and then injected with the refrigerant 108 and then vacuumized, and then the liquid injection port is sealed, so that the temperature equalizing plate is formed.
In summary, as shown in fig. 1-3, the materials of the upper cover 103, the middle frame 102 and the lower cover 101 may be oxygen-free copper, stainless steel and aluminum; secondly, the upper cover 103, the middle frame 102 and the lower cover 101 are formed by stamping, wherein the middle frame 102 and the lower cover 101 can be separately stamped and connected by welding, and the method is not limited to resistance welding, laser welding, sintering and the like; the middle frame 102 and the lower cover 101 may be integrally formed by stamping, the processing technology is not limited to stamping, die casting, upsetting, etching and the like may be adopted, the capillary structure 106 is arranged in the first cavity 104 and the second cavity 105, and the capillary structure 106 is fixed on the surface of the lower cover 101 by resistance welding, wherein the capillary structure 106 is not limited to copper braided wires, copper mesh, stainless steel braided wires, aluminum mesh, aluminum braided wires, copper powder, aluminum powder, foam copper and the like may be adopted, and the manner of fixing the capillary structure 106 on the surface of the lower cover 101 is not limited to resistance welding, laser welding, sintering and the like;
then welding and sealing the upper cover 103 and the middle frame 102, injecting pure water 107 into the first cavity 104 through a reserved liquid injection port, injecting a refrigerant 108 into the second cavity 105, wherein the pure water 107 and the refrigerant 108 are alternately distributed, the liquid injection port of the first cavity 104 and the liquid injection port of the second cavity 105 are distributed at two ends, the first cavity 104 is firstly injected with pure water 107 and then vacuumized, the second cavity 105 is firstly vacuumized and then injected with the refrigerant 108 and then vacuumized, and then the liquid injection port is sealed, so that a temperature equalizing plate is formed;
the heat of the battery is transferred to the inside of the first cavity 104 and the second cavity 105 through the lower cover 101 and the capillary structure 106, and is mainly heated and evaporated by pure water 107 to perform vapor-liquid two-phase fluid conversion at normal temperature or high temperature so as to absorb the heat of the energy storage battery to realize heat dissipation, and the refrigerant 108 is mainly used at low temperature, and the refrigerant 108 still keeps working state to absorb the heat to evaporate to perform vapor-liquid two-phase fluid conversion under the low temperature condition, so that the temperature of each part of the battery can be balanced at different temperatures, and the damage to the battery caused by overlarge temperature difference of each part of the battery is avoided, thereby having important protection effect on the performance and the endurance of the battery;
the first cavity 104 and the second cavity 105 are distributed in a staggered manner, so that the refrigerant 108 and the pure water 107 are not contacted with each other, and the pure water 107 and the refrigerant 108 are not interfered with each other when the vapor-liquid two-phase fluid is converted, therefore, the multi-effect temperature equalizing plate can greatly reduce the temperature difference generated in the process of charging or discharging the battery, particularly in the process of quick charging, the temperature difference can be effectively reduced within a proper range, the normal operation of the battery is ensured, the service life is prolonged, the cruising ability is improved, and the like.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides a multi-functional samming board, includes samming subassembly (1), its characterized in that: the utility model provides a temperature equalization subassembly (1) includes lower cover (101), center (102), upper cover (103), first cavity (104), second cavity (105), capillary structure (106), pure water (107) and refrigerant (108), the surface of lower cover (101) is provided with center (102), and the surface connection of center (102) has upper cover (103), first cavity (104), second cavity (105) have been seted up to temperature equalization subassembly (1) inside, the surface of lower cover (101) is provided with capillary structure (106), the inside of first cavity (104) is filled with pure water (107), the inside of second cavity (105) is filled with refrigerant (108), center (102), upper cover (103), lower cover (101) make through the welding first cavity (104), second cavity (105) constitute vacuum cavity, and upper cover (103) are stamping forming, lower cover (101), center (102) are stamping forming, and center (102), upper cover (102) are copper wire (106), copper wire (106) are woven for capillary structure.
2. A multi-functional temperature uniformity plate according to claim 1, wherein: the first cavities (104) and the second cavities (105) are distributed in a staggered mode, and the capillary structures (106) are located in the first cavities (104) and the second cavities (105).
3. A multi-functional temperature uniformity plate according to claim 1, wherein: the liquid injection ports or the gas removal ports of the first cavity (104) and the second cavity (105) are distributed at two ends of the assembly.
4. A multi-functional temperature uniformity plate according to claim 1, wherein: the upper surface of the lower cover (101) is tightly attached to the bottom surface of the middle frame (102), and the upper surface of the middle frame (102) is tightly attached to the lower surface of the upper cover (103).
5. A multi-functional temperature uniformity plate according to claim 1, wherein: the lower cover (101) is connected with the capillary structure (106) in a resistance welding mode.
6. A process for manufacturing a multi-functional temperature-equalizing plate according to any one of claims 1 to 5, wherein: the manufacturing process of the multi-effect temperature-equalizing plate comprises the following operation steps:
step one: the upper cover (103), the middle frame (102) and the lower cover (101) are formed in a stamping mode;
step two: the middle frame (102) is welded with the lower cover (101), capillary structures (106) are arranged in the first cavity (104) and the second cavity (105), and the capillary structures (106) are fixed on the surface of the lower cover (101) through resistance welding;
step three: the upper cover (103) and the middle frame (102) are welded and sealed, pure water (107) is injected into the first cavity (104) through a reserved liquid injection port, a refrigerant (108) is injected into the second cavity (105), the first cavity (104) is firstly filled with pure water (107) and then vacuumized, the second cavity (105) is firstly vacuumized and then injected with the refrigerant (108), then vacuumized and then the liquid injection port is sealed, and therefore the temperature equalization plate is formed.
Priority Applications (1)
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CN202310328548.8A CN116487768A (en) | 2023-03-30 | 2023-03-30 | Multi-effect temperature-equalizing plate and manufacturing process thereof |
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CN202310328548.8A CN116487768A (en) | 2023-03-30 | 2023-03-30 | Multi-effect temperature-equalizing plate and manufacturing process thereof |
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CN202310328548.8A Pending CN116487768A (en) | 2023-03-30 | 2023-03-30 | Multi-effect temperature-equalizing plate and manufacturing process thereof |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111174617A (en) * | 2020-03-13 | 2020-05-19 | 深圳威铂驰热技术有限公司 | High-efficiency uniform temperature plate and manufacturing process thereof |
CN114899160A (en) * | 2022-04-29 | 2022-08-12 | 苏州浪潮智能科技有限公司 | 3D temperature-uniforming plate and radiator with same |
CN115283773A (en) * | 2022-07-21 | 2022-11-04 | 瑞泰精密科技(沭阳)有限公司 | Uniform temperature plate cavity sealing process and uniform temperature plate |
CN115732807A (en) * | 2022-11-04 | 2023-03-03 | 广州华钻电子科技有限公司 | Heat transfer structure of two independent cavitys of parallel |
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2023
- 2023-03-30 CN CN202310328548.8A patent/CN116487768A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111174617A (en) * | 2020-03-13 | 2020-05-19 | 深圳威铂驰热技术有限公司 | High-efficiency uniform temperature plate and manufacturing process thereof |
CN114899160A (en) * | 2022-04-29 | 2022-08-12 | 苏州浪潮智能科技有限公司 | 3D temperature-uniforming plate and radiator with same |
CN115283773A (en) * | 2022-07-21 | 2022-11-04 | 瑞泰精密科技(沭阳)有限公司 | Uniform temperature plate cavity sealing process and uniform temperature plate |
CN115732807A (en) * | 2022-11-04 | 2023-03-03 | 广州华钻电子科技有限公司 | Heat transfer structure of two independent cavitys of parallel |
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Application publication date: 20230725 |