CN220493408U - Converter liquid cooling device and system - Google Patents
Converter liquid cooling device and system Download PDFInfo
- Publication number
- CN220493408U CN220493408U CN202321501363.4U CN202321501363U CN220493408U CN 220493408 U CN220493408 U CN 220493408U CN 202321501363 U CN202321501363 U CN 202321501363U CN 220493408 U CN220493408 U CN 220493408U
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- liquid cooling
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- heat exchanger
- cooling plate
- heating element
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- 238000001816 cooling Methods 0.000 title claims abstract description 187
- 239000007788 liquid Substances 0.000 title claims abstract description 153
- 238000010438 heat treatment Methods 0.000 claims abstract description 50
- 239000000565 sealant Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000110 cooling liquid Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004334 fluoridation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
A liquid cooling device of a converter, wherein the converter comprises at least one heating element; comprising the following steps: the device comprises a heat exchanger, a liquid cooling plate, a circulating pipeline, a circulating pump and a cooling working medium; wherein, the liquid cooling plate is filled with a cooling working medium; the liquid cooling plate is closely attached to the surface of the heating element, or the heating element is partially or completely immersed in the liquid cooling plate; the liquid cooling plate is connected with the heat exchanger through a circulating pipeline to form a closed circulating loop, and the circulating loop is filled with a cooling working medium; the circulating pump is arranged in the circulating loop and provides circulating power for the liquid cooling device; the liquid cooling plate and the heat exchanger are arranged at any position of the circulation loop. The utility model provides a converter liquid cooling device has saved the compressor in the conventional liquid cooling scheme, simple structure, and equipment is few, and construction and running cost are low, and fail safe nature is high, provides a new cooling solution for the safe and stable operation of high-capacity high power density converter.
Description
Technical Field
The application belongs to the technical field of heat dissipation, and particularly relates to a liquid cooling device and system of a converter.
Background
With the rapid development of the fields of energy storage, photovoltaics, wind power and the like, the converter is taken as an important component part, the trend of large capacity and high power is more obvious, and the design is more miniaturized and light. These factors lead to a great increase in the heat generation power and power density of the converter, and in order to ensure stable and reliable operation of the device, the requirements on heat dissipation capacity are higher and higher.
In the prior art, key heating elements in a converter are generally cooled by air cooling or liquid cooling. The air cooling mode has simple structure, but has the defects of large radiator volume, relatively low radiating efficiency, large fan noise, high requirements on the use environment and the like, and the high-power density radiating requirement can not be met. The liquid cooling mode can meet the heat dissipation requirement of the current converter, and is a solution which is increasingly widely applied. The liquid cooling mode generally uses a pump to provide power for the flow of the cooling liquid, the cooling liquid is cooled by a compressor, and the heat is taken away by a forced air cooling heat exchanger. In general, equipment such as pumps, compressors, heat exchangers, cooling fans, flow monitoring and control devices and the like are integrated into a water chilling unit, enough space is reserved in a cabinet or a container for placement, the equipment cost is high, the reliability of the system can be reduced due to the large number of the equipment, and the risk of faults is increased. In addition, the pump, the compressor, the cooling fan and other devices consume electric energy in the running process, so that the economic applicability of the cooling system is reduced.
Therefore, there is a need to develop a new converter cooling system.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a liquid cooling device and a liquid cooling system for a converter, and solves the problems of large occupied area, complex system, poor economical efficiency, low reliability and the like in the existing cooling scheme of the converter.
The utility model adopts the following technical scheme.
The converter liquid cooling device comprises a heat exchanger, a liquid cooling plate, a circulating pipeline, a circulating pump and a cooling working medium; the converter comprises at least one heating element; the liquid cooling plate is filled with a cooling working medium; the liquid cooling plate is closely attached to the surface of the heating element, or the heating element is partially or completely immersed in the liquid cooling plate; the liquid cooling plate is connected with the heat exchanger through a circulating pipeline to form a closed cooling working medium circulating loop, and the loop is filled with cooling working medium; the circulating pump is arranged in the circulating loop and provides circulating power for the liquid cooling device; the liquid cooling plate and the heat exchanger are arranged at any position of the circulation loop.
Further, the arrangement form of the heating element and the liquid cooling plate in the converter comprises:
each heating element is independently provided with a liquid cooling plate;
a plurality of or all heating elements share a liquid cooling plate;
each heating element uses a plurality of liquid cooling plates, and the connection form between the liquid cooling plates comprises serial connection and/or parallel connection.
Further, the arrangement form of the liquid cooling plate and the heat exchanger includes:
each liquid cooling plate is independently connected with a heat exchanger;
each liquid cooling plate is simultaneously connected with a plurality of heat exchangers, and the connection mode between the heat exchangers comprises serial connection and/or parallel connection;
the plurality of liquid cooling plates are commonly connected with one heat exchanger, and the connection mode between the liquid cooling plates comprises serial connection and/or parallel connection.
Further, the circulation pipeline at least comprises a main pipeline;
when there is parallel connection between the liquid cooling plates or between the heat exchangers, the circulating pipeline further comprises branch pipelines, and the branch pipelines are used for diverting cooling working media.
Further, the circulating pump is installed on the main pipeline of the circulating pipeline.
Further, the converter liquid cooling device also comprises a liquid storage tank; the liquid storage tank is arranged on a main pipeline of the circulating pipeline.
Further, when the liquid cooling plate is tightly adhered to the surface of the heating element, the liquid cooling plate is a sealed cavity;
when the heating element is partially or completely immersed in the liquid cooling plate, the liquid cooling plate is a cavity with a window matched with the extending position of the heating element, and the window is sealed by a sealing ring or sealant to form a sealed cavity.
The application also provides a converter liquid cooling system, which comprises a frame structure, a converter and the converter liquid cooling device; the converter and the liquid cooling plate are arranged in the frame structure; the heat exchanger is mounted on the main body of the frame structure or independently mounted outside the frame structure.
Further, the arrangement form of the heat exchanger between the converters comprises:
each converter is connected with a corresponding heat exchanger;
the plurality of converters are commonly connected to a common heat exchanger.
Further, the frame structure comprises a cabinet and a power container;
the arrangement form of the heat exchanger between the cabinets comprises:
each cabinet is connected with a corresponding heat exchanger;
the plurality of cabinets are commonly connected to a common heat exchanger.
The arrangement form of the heat exchanger between the electric power containers comprises:
each electric power container is connected with a corresponding heat exchanger;
the plurality of power containers are commonly connected to a common heat exchanger.
The utility model has the beneficial effects that compared with the prior art:
(1) The liquid cooling device of the converter adopts liquid cooling for cooling, has high cooling efficiency, can meet the heat dissipation requirements of the high-capacity and high-power-density converter, and ensures safe and reliable operation of the converter.
(2) The converter liquid cooling device omits a core device compressor of a conventional liquid cooling system, has a simple structure, is small in device quantity, and is high in system reliability.
(3) The converter liquid cooling device has the advantages that the heat exchanger with larger volume can be flexibly arranged, the occupied area can be effectively reduced, and the field utilization rate is provided. And the construction cost, the operation cost and the operation maintenance cost of the small quantity of equipment are low, and the method has good economic applicability.
Drawings
Fig. 1 is a schematic diagram of a liquid cooling device of a converter according to an embodiment of the present application;
fig. 2 is a schematic diagram of a configuration of a liquid cooling plate and a heating element of a converter in a liquid cooling device of the present embodiment, where one heating element uses a plurality of liquid cooling plates;
fig. 3 is a schematic diagram of a configuration of a liquid cooling plate and a heating element of a converter in a liquid cooling device of the present application, where a plurality of heating elements use one liquid cooling plate;
fig. 4 is a schematic diagram of an arrangement of a liquid cooling plate and a heat exchanger of a liquid cooling device of a converter according to an embodiment of the present application, where a plurality of liquid cooling plates use one heat exchanger;
fig. 5 is a schematic diagram of an arrangement of a liquid cooling plate and a heat exchanger of a liquid cooling device of a converter according to an embodiment of the present application, in which one liquid cooling plate uses a plurality of heat exchangers;
fig. 6 is a schematic diagram of a connection manner between a liquid cooling plate and a heating element of a converter in a liquid cooling device of the present application, in which the heating element is partially immersed in the liquid cooling plate;
fig. 7 is a schematic diagram of a connection manner between a liquid cooling plate and a heating element of a converter in a liquid cooling device of the present application, in which the heating element is all immersed in the liquid cooling plate;
FIG. 8 is a schematic diagram of a liquid cooling system for a converter according to an embodiment of the disclosure, in which a heat exchanger is located on a frame structure;
FIG. 9 is a schematic diagram of a liquid cooling system for a converter according to an embodiment of the present application, in which a heat exchanger is independently installed outside a frame structure;
fig. 10 is a schematic diagram of an arrangement of a converter and a heat exchanger in a liquid cooling system of a converter according to an embodiment of the present application, where a plurality of converters share a heat exchanger;
fig. 11 is a schematic diagram of an arrangement of heat exchangers in a liquid cooling system of a converter according to an embodiment of the present application, where a plurality of frame structures share one heat exchanger.
The reference numerals of fig. 1 to 11 are explained as follows:
1-converter, 2-heating element, 3-liquid cooling plate; 4-circulation pipeline, 41-main pipeline and 42-branch pipeline; a 5-heat exchanger; 6-a circulating pump; 7-a liquid storage tank; 8-cooling working medium; 9-a frame structure; 10-a heat exchanger support frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described herein are merely some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present utility model.
As shown in fig. 1, the liquid cooling device of the converter provided by the application comprises a heat exchanger 5, a liquid cooling plate 3, a circulating pipeline 4, a circulating pump 6 and a cooling working medium 8; the converter 1 comprises at least one heating element 2; the circulation line 4 comprises a main line 41; the liquid cooling plate 3 is internally provided with a cooling working medium 8; the liquid cooling plate 3 is closely attached to the surface of the heating element 2, or part or all of the heating element 2 is immersed in the liquid cooling plate 3; the liquid cooling plate 3 and the heat exchanger 5 are connected through a circulating pipeline 4 to form a closed cooling working medium 8 circulating loop, and the loop is filled with the cooling working medium 8; the circulating pump 6 is arranged in the circulating loop and provides circulating power for the liquid cooling device; the liquid cooling plate 3 and the heat exchanger 5 are installed at any position of the circulation loop. The liquid cooling device of the converter does not need a necessary core component compressor of a conventional liquid cooling system, has the advantages of simple structure, less equipment quantity, low cost and high reliability.
The types of the heating element 2 include IGBTs, inductors, and transformers.
Fig. 1 shows the use of a liquid cooling plate 3 for each heating element 2.
Preferably, as shown in fig. 2, one heating element 2 uses a plurality of liquid cooling plates 3; the connection between the liquid cooling plates 3 may include series and/or parallel connection.
Preferably, as shown in fig. 3, a plurality of heating elements 2 or all the heating elements 2 share one liquid cooling plate 3.
Fig. 1 shows that each liquid cooling plate 3 is individually connected to one heat exchanger 5.
Preferably, as shown in fig. 4, a plurality of liquid cooling plates 3 are commonly connected to one heat exchanger 5; the connection between the liquid cooling plates 3 may include series and/or parallel connection.
Preferably, as shown in fig. 5, one liquid cooling plate 3 is connected with a plurality of heat exchangers 5 at the same time; the connection between the heat exchangers 5 may comprise series and/or parallel connections.
Further, when there is a parallel connection between the liquid cooling plates 3 or between the heat exchangers 5, the circulation line 4 further includes a branch line 42, as shown in fig. 4, and the circulation line 4 includes a main line 41 and a branch line 42.
The circulation pump 6 is mounted on the main pipe 41.
The branch pipe 42 is used for diverting the cooling medium, and ensures the cooling effect of each parallel branch.
The converter liquid cooling device also comprises a liquid storage tank 7; the tank 7 is mounted on the main line 41 of the circulation line 4.
The material of the liquid cooling plate 3 comprises aluminum alloy or copper material, and has high heat conductivity coefficient, so that the power consumption of the heating element 2 can be conducted out more efficiently, the temperature of the heating element 2 is reduced, and the safe and stable operation of the heating element 2 is ensured.
The liquid cooling plate 3 and the surface of the heating element 2 are tightly attached as shown in fig. 1 to 5, at this time, the liquid cooling plate 3 is a sealed cavity, the cooling working medium 8 and the heating element 2 are completely isolated in this way, the whole structure is simple, and the leakage risk is lower.
Fig. 6 shows that the heating element 2 is partially immersed in the liquid cooling plate 3, fig. 7 shows that the heating element 2 is fully immersed in the liquid cooling plate 3, and at this time, the liquid cooling plate 3 is a cavity with a window matched with the extending position of the heating element 2, and the window is sealed by a sealing ring or sealant to form a sealed cavity. Under the structural form, the heat source is in direct contact with the cooling working medium 8, so that the contact area is large, the heat exchange efficiency is higher, and the heat dissipation effect is better.
The heating element 2 may be located inside the converter 1 as shown in fig. 1, may be located partially outside the converter 1 as shown in fig. 6, or may be located entirely outside the converter 1 as shown in fig. 7.
The heat dissipation mode of the heat exchanger 5 includes natural cooling, forced air cooling and liquid cooling. The natural cooling does not need extra equipment, the energy consumption and the cost are low, and the noise level of the system is low; the forced air cooling is additionally provided with a fan, so that the heat dissipation effect is better, and meanwhile, the cost is not increased much; the liquid cooling mode has higher additional cost and good heat dissipation effect, and can easily meet the heat dissipation requirement of high power density.
The structural forms of the heat exchanger 5 include shell and tube, tube fin, plate and heat pipe.
The cooling medium 8 comprises water, glycol aqueous solution, fluoridation liquid and mineral oil.
The circulation pipeline 4 is made of insulating flame-retardant material, so that insulation problems are avoided for the system, and new combustibles are introduced.
As shown in fig. 8, the present application further proposes a converter liquid cooling system, which includes a frame structure 9, at least one converter 1, and at least one set of converter liquid cooling devices as described in any one of the foregoing. The converter 1 and the liquid cooling plate 3 are arranged inside the frame structure 9; the heat exchanger 5 is mounted on the body of the frame structure 9, including inside and outside, preferably on top of the body of the frame structure 9, without occupying additional space, improving the field utilization. Preferably, the heat exchanger 5 is mounted independently from the outside of the frame structure 9, as shown in fig. 9, in which case the heat exchanger 5 is mounted by means of a heat exchanger support frame 10. The arrangement form is convenient for sharing the large-scale heat exchanger 5 in a total station or a local area, simplifies the pipeline connection and reduces the equipment quantity.
The frame structure 9 comprises a cabinet and a power container.
As shown in fig. 1, 8 and 9, in the converter liquid cooling system, each converter 1 is connected with its corresponding heat exchanger 5, which can be flexibly configured, is suitable for different requirements, and is easy to form standardized products.
Preferably, as shown in fig. 10, the plurality of converters 1 are commonly connected with the common heat exchanger 5, so that the pipeline connection of the cooling system is simpler, the number of devices is small, the equipment investment can be effectively reduced, and the space utilization rate is improved.
The connection of the heat exchangers 5 between the frame structures 9 as shown in fig. 8 to 9 is such that each frame structure 9 is connected to its corresponding heat exchanger 5, which is a configuration that is flexible, facilitating flexible arrangement of the cooling system in various terrains.
Preferably, as shown in fig. 11, a plurality of frame structures 9 may be commonly connected to a common heat exchanger 5. At the moment, the configuration of the heat exchanger is conveniently planned by total stations or local areas, the total station cooling network structure is simplified, the number of equipment is reduced, the cost is reduced, and the field utilization rate is improved.
The utility model has the beneficial effects that compared with the prior art:
(1) The liquid cooling device of the converter adopts liquid cooling for cooling, has high cooling efficiency, can meet the heat dissipation requirements of the high-capacity and high-power-density converter, and ensures safe and reliable operation of the converter.
(2) The converter liquid cooling device omits a core device compressor of a conventional liquid cooling system, has a simple structure, is small in device quantity, and is high in system reliability.
(3) The converter liquid cooling device has the advantages that the heat exchanger with larger volume can be flexibly arranged, the occupied area can be effectively reduced, and the field utilization rate is provided. And the construction cost, the operation cost and the operation maintenance cost of the small quantity of equipment are low, and the method has good economic applicability.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (10)
1. The utility model provides a converter liquid cooling device, include at least one heating element (2) in converter (1), its characterized in that:
the converter liquid cooling device further comprises a heat exchanger (5), a liquid cooling plate (3), a circulating pipeline (4), a circulating pump (6) and a cooling working medium (8);
a cooling working medium (8) is arranged in the liquid cooling plate (3); the liquid cooling plate (3) is tightly attached to the surface of the heating element (2), or the heating element (2) is partially or completely immersed in the liquid cooling plate (3);
the liquid cooling plate (3) is connected with the heat exchanger (5) through a circulating pipeline (4) to form a closed circulating loop, and the circulating loop is filled with a cooling working medium (8);
the circulating pump (6) is arranged in the circulating loop and provides circulating power for the liquid cooling device;
the liquid cooling plate (3) and the heat exchanger (5) are arranged at any position of the circulation loop.
2. The converter liquid cooling apparatus of claim 1, wherein:
the arrangement form of the heating element (2) and the liquid cooling plate (3) in the converter (1) comprises:
each heating element (2) is independently provided with a liquid cooling plate (3);
or a plurality of or all heating elements (2) share a liquid cooling plate (3);
or a plurality of liquid cooling plates (3) are used for each heating element (2);
the connection form between the liquid cooling plates (3) comprises serial connection and/or parallel connection.
3. The converter liquid cooling apparatus of claim 1, wherein:
the arrangement form of the liquid cooling plate (3) and the heat exchanger (5) comprises:
each liquid cooling plate (3) is independently connected with a heat exchanger (5);
or each liquid cooling plate (3) is simultaneously connected with a plurality of heat exchangers (5), and the connection mode between the heat exchangers (5) comprises serial connection and/or parallel connection;
or a plurality of liquid cooling plates (3) are commonly connected with one heat exchanger (5), and the connection mode between the liquid cooling plates (3) comprises serial connection and/or parallel connection.
4. The converter liquid cooling apparatus of claim 1, wherein:
the circulation pipeline (4) comprises a main pipeline (41);
when there is parallel connection between the liquid cooling plates (3) or between the heat exchangers (5), the circulation pipeline (4) further comprises a branch pipeline (42), and the branch pipeline (42) is used for dividing the cooling working medium (8).
5. The converter fluid cooling apparatus of claim 4, wherein:
the circulating pump (6) is installed on a main pipeline (41) of the circulating pipeline (4).
6. The converter liquid cooling apparatus of claim 1, wherein:
the converter liquid cooling device also comprises a liquid storage tank (7); the liquid storage tank (7) is arranged on a main pipeline (41) of the circulating pipeline (4).
7. The converter liquid cooling apparatus of claim 1, wherein:
when the liquid cooling plate (3) is tightly adhered to the surface of the heating element (2), the liquid cooling plate (3) is a sealed cavity;
when the heating element (2) is partially or completely immersed in the liquid cooling plate (3), the liquid cooling plate (3) is a cavity with a window matched with the extending position of the heating element (2), and the window is sealed by a sealing ring or sealant to form a sealed cavity.
8. The utility model provides a converter liquid cooling system which characterized in that:
comprising a frame structure (9), a converter (1) and a liquid cooling arrangement for a converter according to any one of claims 1-7;
the converter (1) and the liquid cooling plate (3) are arranged in the frame structure (9); the heat exchanger (5) is arranged on the body of the frame structure (9) or is independently arranged outside the frame structure (9) through a heat exchanger supporting frame (10).
9. The converter liquid cooling system of claim 8, wherein:
the arrangement form of the heat exchanger (5) between the converters (1) comprises:
each converter (1) is connected with a corresponding heat exchanger (5);
or a plurality of converters (1) are commonly connected with a common heat exchanger (5).
10. The converter liquid cooling system of claim 8, wherein:
the frame structure (9) comprises a cabinet and an electric power container;
the arrangement form of the heat exchanger between the cabinets comprises:
each cabinet is connected with a corresponding heat exchanger (5);
or a plurality of cabinets are commonly connected with a common heat exchanger (5);
the arrangement form of the heat exchanger between the electric power containers comprises:
each electric power container is connected with a corresponding heat exchanger (5);
or a plurality of power containers are commonly connected with a common heat exchanger (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501363.4U CN220493408U (en) | 2023-06-13 | 2023-06-13 | Converter liquid cooling device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321501363.4U CN220493408U (en) | 2023-06-13 | 2023-06-13 | Converter liquid cooling device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220493408U true CN220493408U (en) | 2024-02-13 |
Family
ID=89826064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321501363.4U Active CN220493408U (en) | 2023-06-13 | 2023-06-13 | Converter liquid cooling device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220493408U (en) |
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2023
- 2023-06-13 CN CN202321501363.4U patent/CN220493408U/en active Active
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