CN211530133U - Immersed heat dissipation system - Google Patents
Immersed heat dissipation system Download PDFInfo
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- CN211530133U CN211530133U CN201922498483.3U CN201922498483U CN211530133U CN 211530133 U CN211530133 U CN 211530133U CN 201922498483 U CN201922498483 U CN 201922498483U CN 211530133 U CN211530133 U CN 211530133U
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- liquid
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- pipe assembly
- assembly
- heat exchange
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- 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
Abstract
The utility model discloses an immersed heat dissipation system, which comprises a cooling box for accommodating a battery pack, wherein the cooling box is internally provided with cooling liquid; the heat exchange assembly is used for heat exchange of the cooling liquid; one end of the liquid outlet pipe assembly is connected with the upper end of the cooling box, and the other end of the liquid outlet pipe assembly is connected with the heat exchange assembly; one end of the liquid inlet pipe assembly is connected with the lower end of the cooling box, and the other end of the liquid inlet pipe assembly is connected with the heat exchange assembly; and the cooling liquid pump is arranged on the liquid outlet pipe assembly or the liquid inlet pipe assembly and used for driving the cooling liquid to flow. According to the immersed heat dissipation system, the battery pack is completely immersed in the cooling liquid, and the battery pack is directly contacted with the cooling liquid for heat exchange, so that the heat transfer efficiency is improved; on the other hand, the battery pack uniformly contacts liquid at the cooling box, the liquid outlet pipe assembly and the liquid inlet pipe assembly, so that the temperature of the battery pack is more consistent, the work of the battery pack is facilitated, and the service life of the battery pack is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the on-vehicle power battery heat dissipation technique and specifically relates to an submergence formula cooling system is related to.
Background
With the implementation of the national sustainable development strategy, the new energy electric vehicle is rapidly developed and is more and more accepted by the public consumers. A power battery system of an electric automobile is characterized in that batteries with small energy are connected in series or in parallel, and assembled through parts to form a battery pack to provide power for the electric automobile.
After the battery pack works for a long time, each single battery can generate heat, if the temperature of the battery pack is too high or too low, the battery pack can be damaged, the normal work of the battery pack is influenced, and even safety accidents can be caused. Therefore, the thermal management of the vehicle-mounted power battery is a key problem in the development of new energy electric vehicles.
However, the heat management modes of the vehicle-mounted power battery, such as air cooling and liquid cooling flat tube surrounding cooling, cannot uniformly dissipate heat of each part of the battery pack, and it is difficult to ensure the uniform temperature of the battery pack.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides an submergence formula cooling system, its and battery package direct contact can guarantee that the battery package temperature is even for the even heat dissipation of battery package.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
an immersed heat dissipation system comprises a cooling box, a heat sink and a heat sink, wherein the cooling box is used for accommodating a battery pack, and cooling liquid is arranged inside the cooling box; the heat exchange assembly is used for heat exchange of the cooling liquid; one end of the liquid outlet pipe assembly is connected with the upper end of the cooling box, and the other end of the liquid outlet pipe assembly is connected with the heat exchange assembly; one end of the liquid inlet pipe assembly is connected with the lower end of the cooling box, and the other end of the liquid inlet pipe assembly is connected with the heat exchange assembly; and the cooling liquid pump is arranged on the liquid outlet pipe assembly or the liquid inlet pipe assembly and used for driving the cooling liquid to flow.
According to the utility model discloses an submergence formula cooling system of first aspect, heat exchange assemblies includes circulation connection's heat exchanger, compressor and condenser.
According to the utility model discloses an submergence formula cooling system of first aspect, heat exchange assemblies still includes the HVAC assembly, the HVAC assembly with the heat exchanger is parallelly connected.
According to the utility model discloses an submergence formula cooling system of first aspect, the heat exchanger is plate heat exchanger.
According to the utility model discloses an submergence formula cooling system of first aspect, the drain pipe subassembly or be provided with electric heater on the inlet pipe subassembly.
According to the utility model discloses the first aspect an submergence formula cooling system, the drain pipe subassembly includes two drain pipes, two the drain pipe is connected respectively the cooler bin upper end left and right sides.
According to the utility model discloses an submergence formula cooling system of first aspect, feed liquor pipe assembly includes two feed liquor pipes, two the feed liquor pipe is connected respectively the cooler bin lower extreme left and right sides.
According to the utility model discloses an submergence formula cooling system of first aspect, be provided with the temperature-sensing ware in the cooler bin.
According to the utility model discloses an submergence formula cooling system of first aspect, the coolant pump is the fluoride pump.
According to the utility model discloses an submergence formula cooling system of first aspect, the coolant liquid is 3M FC40 electron fluorinated liquid.
The utility model has the advantages that: the immersed heat dissipation system comprises a cooling box, a heat exchange assembly, a liquid outlet pipe assembly, a liquid inlet pipe assembly and a cooling liquid pump. According to the immersed heat dissipation system, the battery pack is completely immersed in the cooling liquid, and the battery pack is directly contacted with the cooling liquid for heat exchange, so that the heat transfer efficiency is improved; on the other hand, the battery pack uniformly contacts liquid at the cooling box, the liquid outlet pipe assembly and the liquid inlet pipe assembly, so that the temperature of the battery pack is more consistent, the work of the battery pack is facilitated, and the service life of the battery pack is prolonged.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an immersion type heat dissipation system of the present embodiment includes a cooling tank 10, a heat exchange assembly 30, a liquid outlet pipe assembly 40, a liquid inlet pipe assembly 50, and a cooling liquid pump 60, forming a circulation loop, thereby uniformly cooling a battery pack 1.
The battery pack 1 is formed by assembling components by connecting the batteries having small energy in series or in parallel. It is worth to be noted that the system is also suitable for heat dissipation of various vehicle-mounted power battery packs and electronic components.
Wherein the cooling box 10 is used for accommodating the battery pack 1. The cooling tank 10 has a cooling liquid 20 therein. The cooling liquid 20 enters and exits the cooling box 10 through the liquid inlet pipe assembly 50 and the liquid outlet pipe assembly 40, and exchanges heat through the heat exchange assembly 30, and the battery pack 1 is completely immersed in the cooling box 10 to dissipate heat uniformly.
In this embodiment, the cooling liquid 20 is 3M FC40 electron fluorinated liquid, and the 3M FC40 electron fluorinated liquid is a high boiling point fluorinated liquid. The fluoridized liquid is a fluorine chemical, has excellent electrical insulation, thermal conductivity and chemical stability, and has a boiling point of 155 ℃, a thermal conductivity of 0.067W/m.K and a freezing point of-57 ℃.
The heat exchange assembly 30 is used for heat exchange of the cooling liquid 20. Specifically, the heat exchange assembly 30 includes a heat exchanger 31, a compressor 32, and a condenser 33 that are cyclically connected. The cooling liquid pipeline of the heat exchanger 31 is connected to the liquid inlet pipe assembly 50 and the liquid outlet pipe assembly 40 respectively for the cooling liquid 20 to pass through, and the condensed liquid pipeline of the heat exchanger 31 forms a circulation loop with the compressor 32 and the condenser 33 for cooling the cooling liquid 20 entering the heat exchanger 31.
One end of the liquid outlet pipe assembly 40 is connected with the upper end of the cooling box 10, and the other end of the liquid outlet pipe assembly 40 is connected with the heat exchange assembly 30. Specifically, the liquid outlet pipe assembly 40 includes two liquid outlet pipes 41, and the two liquid outlet pipes 41 are respectively connected to the left and right sides of the upper end of the cooling box 10, so as to ensure that the cooling liquid 20 is uniformly discharged from the left and right sides of the upper end of the cooling box 10, and therefore the pipe diameters of the two liquid outlet pipes 41 are generally the same. In this embodiment, two liquid outlet pipes 41 are merged into one pipeline and connected to the heat exchanger 31. In some embodiments, two liquid outlets 41 may be connected to the heat exchanger 31.
One end of the liquid inlet pipe assembly 50 is connected with the lower end of the cooling box 10, and the other end of the liquid inlet pipe assembly 50 is connected with the heat exchange assembly 30. Specifically, the liquid inlet pipe assembly 50 includes two liquid inlet pipes 51, and the two liquid inlet pipes 51 are respectively connected to the left and right sides of the lower end of the cooling box 10, so as to ensure that the cooling liquid 20 uniformly enters from the left and right sides of the lower end of the cooling box 10, and therefore the pipe diameters of the two liquid inlet pipes 51 are generally the same. In this embodiment, two liquid inlet pipes 51 are divided by one pipe, and the pipe is connected to the heat exchanger 31. In some embodiments, the two liquid inlet pipes 51 may also be respectively connected to the heat exchanger 31. And, two feed liquor pipes 51 and two drain pipes 41 synergism ensure that coolant liquid 20 is even business turn over from cooling tank 10, ensure that the radiating effect that battery package 1 received lasts evenly to avoid battery package 1 because local overheat leads to thermal runaway, guarantee battery package 1's life.
The coolant pump 60 is disposed on the liquid outlet pipe assembly 40 or the liquid inlet pipe assembly 50, and the coolant pump 60 is used for driving the flow of the coolant 20. In the present embodiment, the coolant pump 60 is provided on the inlet pipe assembly 50. In some embodiments, a coolant pump 60 is disposed on the outlet pipe assembly 40. The coolant pump 60 is a fluorinated pump adapted to the coolant 20 of the present embodiment.
Further, referring to FIG. 1, the heat exchange assembly 30 further includes an HVAC assembly 34, the HVAC assembly 34 being connected in parallel with the heat exchanger 31. The HVAC assembly 34 is an on-board HVAC assembly and is connected in parallel with the heat exchanger 31 to provide a lower temperature liquid as a condensate for heat exchange with the coolant 20. The heat exchanger 31 is a plate heat exchanger.
Further, the liquid outlet pipe assembly 40 or the liquid inlet pipe assembly 50 is provided with an electric heater 70. In this embodiment, the electric heater 70 is provided on the liquid inlet pipe assembly 50. The electric heater 70 is suitable for heating the coolant 20 to prevent the battery pack 10 from being supercooled when the temperature is low in winter.
Still further, a temperature sensor is provided in the cooling box 10 for sensing the temperature inside the cooling box 10. In this embodiment, the temperature sensor may work in conjunction with the electric heater 70 and the heat exchange assembly 30. When the temperature sensor senses that the temperature of the cooling liquid 20 is high, the heat exchange assembly 30 starts to exchange heat with the cooling liquid 20; when the temperature sensor senses that the temperature of the cooling liquid 20 is high or low, the electric heater 70 is activated to heat the cooling liquid 20.
In this embodiment, when the temperature sensor senses that the temperature is higher than 35 ℃, the coolant pump 60 and the heat exchange assembly 30 are turned on, the electric heater 70 is turned off, and the coolant 20 is cooled; when the temperature sensor senses that the temperature is lower than 0 ℃, the cooling liquid pump 60 and the electric heater 70 are started, the heat exchange assembly 30 is closed, the cooling liquid 20 is heated and insulated, and the working environment temperature of the battery pack 1 in the cooling box 10 is ensured.
According to the immersed heat dissipation system, on one hand, the battery pack 1 is completely immersed in the cooling liquid 20, and the battery pack 1 is in direct contact with the cooling liquid 20 for heat exchange, so that the heat transfer efficiency is improved; on the other hand, the battery pack 1 uniformly contacts the liquid in the cooling box 10, the liquid outlet pipe assembly 40 and the liquid inlet pipe assembly 50, so that the temperature of the battery pack 1 is more consistent, the work of the battery pack 1 is facilitated, and the service life of the battery pack 1 is prolonged.
The above embodiments are further described in the above aspects of the present invention, but it should not be understood that the scope of the above subject matter of the present invention is limited to the above embodiments, and all the technologies realized based on the above aspects belong to the scope of the present invention.
Claims (10)
1. An immersed heat dissipation system, comprising: comprises that
The cooling box is used for accommodating the battery pack, and cooling liquid is arranged inside the cooling box;
the heat exchange assembly is used for heat exchange of the cooling liquid;
one end of the liquid outlet pipe assembly is connected with the upper end of the cooling box, and the other end of the liquid outlet pipe assembly is connected with the heat exchange assembly;
one end of the liquid inlet pipe assembly is connected with the lower end of the cooling box, and the other end of the liquid inlet pipe assembly is connected with the heat exchange assembly; and
and the cooling liquid pump is arranged on the liquid outlet pipe assembly or the liquid inlet pipe assembly and is used for driving the cooling liquid to flow.
2. A submerged heat dissipation system according to claim 1, wherein: the heat exchange assembly comprises a heat exchanger, a compressor and a condenser which are connected in a circulating mode.
3. A submerged heat dissipation system according to claim 2, wherein: the heat exchange assembly further includes an HVAC assembly in parallel with the heat exchanger.
4. A submerged heat dissipation system according to claim 2, wherein: the heat exchanger is a plate heat exchanger.
5. A submerged heat dissipation system according to claim 1, wherein: an electric heater is arranged on the liquid outlet pipe assembly or the liquid inlet pipe assembly.
6. A submerged heat dissipation system according to claim 1, wherein: the liquid outlet pipe assembly comprises two liquid outlet pipes, and the two liquid outlet pipes are respectively connected with the left side and the right side of the upper end of the cooling box.
7. A submerged heat dissipation system according to claim 1, wherein: the liquid inlet pipe assembly comprises two liquid inlet pipes, and the two liquid inlet pipes are respectively connected with the left side and the right side of the lower end of the cooling box.
8. A submerged heat dissipation system according to claim 1, wherein: a temperature sensor is arranged in the cooling box.
9. A submerged heat dissipation system according to claim 1, wherein: the coolant pump is a fluorination pump.
10. A submerged heat dissipation system according to claim 9, wherein: the cooling liquid is 3M FC40 electronic fluorination liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498483.3U CN211530133U (en) | 2019-12-31 | 2019-12-31 | Immersed heat dissipation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498483.3U CN211530133U (en) | 2019-12-31 | 2019-12-31 | Immersed heat dissipation system |
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| Publication Number | Publication Date |
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| CN211530133U true CN211530133U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922498483.3U Active CN211530133U (en) | 2019-12-31 | 2019-12-31 | Immersed heat dissipation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952510A (en) * | 2020-09-21 | 2020-11-17 | 王业林 | Immersed liquid cooling energy storage system |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
-
2019
- 2019-12-31 CN CN201922498483.3U patent/CN211530133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952510A (en) * | 2020-09-21 | 2020-11-17 | 王业林 | Immersed liquid cooling energy storage system |
| CN112993440A (en) * | 2020-12-15 | 2021-06-18 | 鹤山市世拓电子科技有限公司 | Flame-proof battery pack |
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