CN113973474B - Compact modular charging station heat dissipation system - Google Patents
Compact modular charging station heat dissipation system Download PDFInfo
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- CN113973474B CN113973474B CN202111182284.7A CN202111182284A CN113973474B CN 113973474 B CN113973474 B CN 113973474B CN 202111182284 A CN202111182284 A CN 202111182284A CN 113973474 B CN113973474 B CN 113973474B
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- evaporator
- charging station
- condenser
- heat
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 239000013526 supercooled liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20318—Condensers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a compact modularized charging station heat dissipation system, which comprises a modularized charging station box body, wherein a transformer chamber and a charging pile chamber of the modularized charging station box body are respectively provided with a first separated heat pipe system and a second separated heat pipe system for heat dissipation and cooling, a loop heat pipe and fin combined passive cooling strategy is adopted, and heat is quickly taken away from a heating unit and the like by utilizing huge latent heat of vapor-liquid phase change, so that the heat exchange efficiency is high, additional power consumption is not required, the system is safe and efficient, and the cost is saved; the heating unit and the heat radiation structure of the modularized charging station are integrated, the occupied area of an air cooling heat radiation system air duct and a fan is saved while the inherent size of the transformer equipment is reduced, so that the modularized charging station is compact in structure, saves space, and meets the requirements of miniaturization and easiness in moving of the modularized charging station.
Description
Technical Field
The invention relates to the technical field of heat dissipation of modularized charging stations, in particular to a compact modularized charging station heat dissipation system.
Background
With the rapid development of new energy automobiles, the modular charging station infrastructure is generated, the modular charging station equipment can solve the problems of temporary land, space constraint and inconvenience of commercial power, can save the cost of moving and moving people, objects and wealth to the greatest extent, reduces environmental pollution, and has wide application prospect in the scenes of construction sites, temporary construction sites, highways and the like.
The modular charging station is a large-sized integrated device in which power supply and distribution equipment, charging equipment, and charging terminals are integrated. The heat dissipation capacity of the charging pile and the transformer is large, so that the size of the heat dissipation system of the modularized charging station directly determines the overall dimension, the operation safety and the service life of the whole equipment, and the existing modularized charging station dissipates heat of heating components in a natural air cooling system, a forced air cooling system or a labyrinth air cooling system and other modes. The heat dissipation system of the dry-type transformer adopts a forced air cooling heat dissipation mode that a fan is arranged at the bottom, and a heat dissipation air duct is arranged inside and between the high-voltage winding and the low-voltage winding.
Because the air cooling heat dissipation technology has lower heat exchange efficiency and is limited by the limitation of equipment operation noise, the fan power of the air cooling heat dissipation system is not easy to be excessively large, so that the air duct size inside the dry type transformer and the modularized charging station is larger, in addition, the heat dissipation fan occupies a certain space, and finally, the external dimensions of the dry type transformer and the whole modularized charging station are larger, which is contrary to the pursuit of miniaturization and easy movement of the modularized charging equipment. Therefore, the air-cooling heat dissipation technology of the modularized charging station has the defects of low heat dissipation efficiency, large equipment size and high operation noise, and is difficult to simultaneously meet the requirements of efficient heat dissipation and ultra-low noise. To this end, we propose a compact modular charging station heat dissipation system.
Disclosure of Invention
The invention aims to provide a compact modular charging station heat dissipation system.
The technical problems solved by the invention are as follows:
(1) How to transfer heat from the box body to the outside of the box body by using the phase change of the circulating working medium through the arrangement of the closed-loop circulating heat dissipation pipeline and the fin group, the power consumption is low and the efficiency is high, and the problems of insignificant air cooling heat dissipation effect and high power consumption in the prior art are solved;
(2) How to replace the air-cooled pipeline through utilizing the radiating loop, closely set up the heating unit with the radiating loop, realize the structural integration, saved the space greatly, solved the modularization charging station among the prior art and bulky, the transport difficulty, the big problem of area.
The invention can be realized by the following technical scheme: a compact modular charging station heat dissipation system comprises a modular charging station box body, wherein a transformer room and a charging pile room of the modular charging station box body are respectively provided with a first separated heat pipe system and a second separated heat pipe system for heat dissipation and cooling.
The invention further technically improves that: the first separated heat pipe system comprises a first evaporator, wherein a first steam conduit is arranged at one end of an air outlet of the first evaporator and is in through connection with an air inlet of a first condenser through the first steam conduit, a liquid outlet of the first condenser is formed in one end of the liquid outlet of the first condenser, and the liquid outlet of the first condenser is communicated with a liquid inlet of the first evaporator through the first liquid conduit, so that a closed-loop heat dissipation and heat exchange loop is formed.
The invention further technically improves that: the dry-type transformer is installed in the transformer room, and the first evaporator is arranged on the outer side wall of the dry-type transformer and is attached to the outer side wall of the dry-type transformer.
The invention further technically improves that: the second evaporator of the second separated heat pipe system is positioned outside four heating side walls of the charging pile and is tightly attached to the side walls of the charging pile, an air outlet of the second evaporator is connected with an air inlet of the second condenser through a second steam conduit, superheated steam generated in a capillary core of the second evaporator is transmitted, and a liquid inlet of the second evaporator is connected with a liquid outlet of the second condenser through a second liquid conduit.
The invention further technically improves that: the first condenser and the second condenser are both positioned at the top of the modularized charging station box body and perform convection heat exchange with the outside air.
The invention further technically improves that: the first condenser is provided with a fin group consisting of straight intermittent fins, the fin arrangement mode is parallel, the second condenser is provided with a fin group consisting of one of oblique intermittent fins, straight intermittent fins or needle-shaped fins, and the fin arrangement mode is fork row.
The invention further technically improves that: the first steam conduit, the first liquid conduit, the first condenser, the second steam conduit, the second liquid conduit and the second condenser are all copper pipes with good heat conduction performance.
The invention further technically improves that: the first evaporator and the second evaporator are both made of copper materials, the internal circulation working media of the first evaporator and the second evaporator are water, and the air pressure in the first evaporator and the second evaporator is lower than a standard atmospheric pressure value.
Compared with the prior art, the invention has the following beneficial effects:
1. The loop heat pipe and fin combined passive cooling strategy is adopted, the huge latent heat of vapor-liquid phase change is utilized, heat is rapidly taken away from a heating unit and the like, the heat exchange efficiency is high, extra power consumption is not needed, the safety and the high efficiency are realized, and the cost is saved.
2. The heating unit and the heat radiation structure of the modularized charging station are integrated, the occupied area of an air cooling heat radiation system air duct and a fan is saved while the inherent size of the transformer equipment is reduced, so that the modularized charging station is compact in structure, saves space, and meets the requirements of miniaturization and easiness in moving of the modularized charging station.
3. Original heat dissipation fans of the transformer and fans of the traditional modularized charging station air-cooling heat dissipation system are eliminated, and noise in the running process of equipment is greatly reduced.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structural area division of the case of the present invention;
FIG. 3 is a front view of the overall structure of the present invention;
Fig. 4 is a side view of the overall structure of the present invention.
In the figure: 1. an iron core; 2. a low voltage winding; 3. an insulating cylinder; 4. a high voltage winding; 5. a first evaporator; 6. a first vapor conduit; 7. a first liquid conduit; 8. a first condenser; 9. a second evaporator; 10. a second vapor conduit; 11. a second liquid conduit; 12. a charging stack; 13. a second condenser; 14. modular charging station housing.
Detailed Description
In order to further describe the technical means and effects adopted by the invention for achieving the preset aim, the following detailed description is given below of the specific implementation, structure, characteristics and effects according to the invention with reference to the attached drawings and the preferred embodiment.
Referring to fig. 1-4, a compact modular charging station heat dissipation system includes a modular charging station housing 14, wherein the interior of the modular charging station housing 14 is divided into four areas, namely a high-voltage chamber, a low-voltage chamber, a transformer chamber and a charging stack chamber, and the specific arrangement situation is shown in fig. 2;
The dry-type transformer is installed in the transformer room and is used as a heat source in the transformer room, the dry-type transformer is marked as a first heating unit, the dry-type transformer comprises an iron core 1, a low-voltage winding 2, an insulating cylinder 3 and a high-voltage winding 4, the iron core 1, the low-voltage winding 2, the insulating cylinder 3 and the high-voltage winding 4 are sequentially arranged from inside to outside, compared with the conventional transformer, the low-voltage winding 2, the insulating cylinder 3 and the high-voltage winding 4 are closely attached, a heat dissipation air channel is not needed to be arranged between the low-voltage winding 2, the insulating cylinder 3 and the high-voltage winding 4, and a heat dissipation fan is not needed to be arranged at the bottom of the dry-type transformer, so that the dry-type transformer is more compact in structural layout, higher in space utilization rate and smaller in size compared with a conventional transformer, a charging pile 12 is arranged in the charging pile room, the charging pile room is used as an area for providing a charging interface for the outside, the charging pile room is marked as a second heating unit, a high-voltage switch cabinet and a low-voltage switch cabinet are respectively arranged in the high-voltage room and the low-voltage room, and the transformer room and the low-voltage room are arranged in a shape like a Chinese character 'pin'.
The transformer chamber is internally provided with a first separated heat pipe system for radiating heat of the first heating unit, the first separated heat pipe system comprises a first evaporator 5, the first evaporator 5 is a hood-type evaporator, the first evaporator 5 is arranged on the outer side wall of the dry-type transformer and is tightly attached to the outer side wall of the dry-type transformer, when the dry-type transformer works to generate a large amount of heat to raise the temperature, the first evaporator 5 rapidly absorbs the heat to cool the dry-type transformer, one end of an air outlet of the first evaporator 5 is provided with a first steam conduit 6, one end of the first steam conduit 6 is communicated with the first evaporator 5, the other end of the first steam conduit 6 is provided with a first condenser 8 and is in through connection with an air inlet of the first condenser 8, one end of the first condenser 8, which is far away from the air inlet, is a liquid outlet, one end of a liquid outlet of the first condenser 8 is provided with a first liquid conduit 7, the liquid outlet is communicated with the first liquid conduit 7, one end of the first liquid conduit 7, which is far away from the liquid outlet of the first condenser 8, is communicated with a liquid inlet of the first evaporator 5 to form a closed-loop heat dissipation and heat exchange loop, the first steam conduit 6 is used for transmitting superheated steam generated in a capillary core of the evaporator, the superheated steam is transmitted to the first condenser 8 through the first steam conduit 6, after heat exchange and condensation of the first condenser 8, supercooled liquid flows through the first liquid conduit 7 to flow back to the first evaporator 5, the first condenser 8 is specifically a flat-plate condenser and is positioned at the top of the modularized charging station box 14, a condensing pipe is arranged in the first condenser 8, and the condensing pipe is of a continuous U-shaped structure;
the heat generated by the dry type transformer in the modularized charging station is conducted to the first evaporator 5, the circulating working medium in the first evaporator 5 is subjected to phase change to carry the heat to the first condenser 8, natural convection heat exchange is carried out on the heat and air outside the modularized charging box body at the first condenser 8, heat dissipation is achieved, in the heat dissipation process, steam is condensed into supercooled liquid in the first condenser 8 and returns to the evaporator, and therefore the first separated heat pipe system completes a working cycle;
a second separated heat pipe system is arranged in the charging pile chamber, the charging pile 12 in the charging pile chamber is marked as a second heating unit, the second separated heat pipe system is used for radiating heat for the second heating unit, the structural composition of the second separated heat pipe system is similar to that of the first separated heat pipe system, a second evaporator 9 of the second separated heat pipe system is positioned outside four heating side walls of the charging pile 12 and is tightly attached to the side walls of the charging pile 12, heat transfer is more efficient, a second steam conduit 10 is connected with an air outlet of the second evaporator 9 and an air inlet of the second condenser 13 and is used for transmitting superheated steam generated in a capillary core of the second evaporator 9, a second liquid conduit 11 is connected with a liquid inlet of the second evaporator 9 and a liquid outlet of the second condenser 13 and is used for transmitting supercooled liquid condensed in the second condenser 13, the second condenser 13 is a flat-plate condenser, and a work flow of the second separated heat pipe system for condensing superheated steam is kept consistent with a work flow of the first separated heat pipe system at the top of a modularized charging station box 14: the heat generated by the charging pile 12 is conducted to the second evaporator 9, the circulating working medium in the second evaporator 9 changes phase to carry the heat to the second condenser 13, and the heat is subjected to natural convection heat exchange with the outside air of the modularized charging station box 14, so that heat dissipation is realized; the steam is condensed into supercooled liquid in the second condenser 13 and returned to the second evaporator 9, and the second split heat pipe system completes one working cycle;
The first condenser 8 is provided with fin groups, the fin groups are straight intermittent fins, the fin arrangement mode is parallel, the number of the fins is 300-700, the second condenser 13 is also provided with fin groups, the fin groups are oblique intermittent fins, straight intermittent fins or needle-shaped fins, the fin arrangement mode is fork rows, the number of the fins is 350-900, and the two fin groups can interrupt the airflow boundary layer around the fins exposed in the environment to a greater extent, so that the natural convection heat exchange with the external environment is facilitated.
Copper pipes are selected from the first steam guide pipe 6, the first liquid guide pipe 7, the first condenser 8, the second steam guide pipe 10, the second liquid guide pipe 11 and the second condenser 13, and the copper material has good heat conduction performance and can realize faster heat dissipation; the first evaporator 5 and the second evaporator 9 are both made of copper materials, the internal circulation working media of the first evaporator 5 and the second evaporator 9 are water, the air pressure in the first evaporator 5 and the second evaporator 9 is lower than an atmospheric pressure value, the boiling point of the water is related to the pressure, and the temperature of saturated steam generated in the first evaporator 5 and the second evaporator 9 is 65-70 ℃.
The present invention is not limited in any way by the above-described preferred embodiments, but is not limited to the above-described preferred embodiments, and any person skilled in the art will appreciate that the present invention can be embodied in the form of a program for carrying out the method of the present invention, while the above disclosure is directed to equivalent embodiments capable of being modified or altered in some ways, any simple modification, equivalent variations and alterations made to the above embodiments according to the technical principles of the present invention will still fall within the scope of the technical principles of the present invention.
Claims (4)
1. The compact modular charging station heat dissipation system comprises a modular charging station box body (14), and is characterized in that a transformer room and a charging pile room of the modular charging station box body (14) are respectively provided with a first separated heat pipe system and a second separated heat pipe system for heat dissipation and cooling;
The first separated heat pipe system comprises a first evaporator (5), wherein a first steam conduit (6) is arranged at one end of an air outlet of the first evaporator (5), the first steam conduit (6) is in through connection with an air inlet of a first condenser (8), a first liquid conduit (7) is arranged at one end of an air outlet of the first condenser (8), and the first liquid conduit (7) is communicated with a liquid inlet of the first evaporator (5) to form a closed-loop heat dissipation and heat exchange loop;
A dry type transformer is arranged in the transformer chamber, and a first evaporator (5) is arranged on the outer side wall of the dry type transformer and is attached to the outer side wall of the dry type transformer;
The dry-type transformer comprises an iron core (1), a low-voltage winding (2), an insulating cylinder (3) and a high-voltage winding (4), wherein the iron core (1), the low-voltage winding (2), the insulating cylinder (3) and the high-voltage winding (4) are sequentially arranged from inside to outside, and the low-voltage winding (2), the insulating cylinder (3) and the high-voltage winding (4) are tightly attached;
A charging pile (12) is arranged in the charging pile chamber, the second separated heat pipe system comprises a second evaporator (9), the second evaporator (9) is positioned outside four heating side walls of the charging pile (12) and is tightly attached to the side walls of the charging pile (12), an air outlet of the second evaporator (9) is connected with an air inlet of a second condenser (13) through a second steam conduit (10) to transmit superheated steam generated in a capillary core of the second evaporator (9), and a liquid inlet of the second evaporator (9) is connected with a liquid outlet of the second condenser (13) through a second liquid conduit (11);
the first condenser (8) and the second condenser (13) are both positioned at the top of the modularized charging station box body (14) and perform heat convection with the outside air.
2. The heat dissipation system of a compact modular charging station according to claim 1, wherein the first condenser (8) is provided with a fin group comprising straight intermittent fins, the fins are arranged in a parallel row, the second condenser (13) is provided with a fin group comprising one of oblique intermittent fins, straight intermittent fins or pin fins, and the fins are arranged in a fork row.
3. The compact modular charging station heat dissipation system of claim 1, wherein the first vapor conduit (6), the first liquid conduit (7), the first condenser (8), the second vapor conduit (10), the second liquid conduit (11) and the second condenser (13) are copper tubes.
4. A compact modular charging station heat dissipating system according to claim 1, wherein the first evaporator (5) and the second evaporator (9) are both copper, the internal circulation working medium of both is water, and the air pressure in the first evaporator (5) and the second evaporator (9) is lower than a standard air pressure value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182284.7A CN113973474B (en) | 2021-10-11 | 2021-10-11 | Compact modular charging station heat dissipation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182284.7A CN113973474B (en) | 2021-10-11 | 2021-10-11 | Compact modular charging station heat dissipation system |
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| Publication Number | Publication Date |
|---|---|
| CN113973474A CN113973474A (en) | 2022-01-25 |
| CN113973474B true CN113973474B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111182284.7A Active CN113973474B (en) | 2021-10-11 | 2021-10-11 | Compact modular charging station heat dissipation system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102424A (en) * | 2016-08-19 | 2016-11-09 | 苏州科勒迪电子有限公司 | Heat pipe type heat radiation module and use this heat pipe type heat radiation module charging pile module |
| CN112654206A (en) * | 2020-11-05 | 2021-04-13 | 西安交通大学 | 5G base station lightweight cooling system for mine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006016377A1 (en) * | 2004-08-10 | 2006-02-16 | Crompton Greaves Limited | Compact dry transformer |
| CN101586926A (en) * | 2008-05-23 | 2009-11-25 | 清华大学 | Separation type hot pipe system |
| CN112880445A (en) * | 2021-01-26 | 2021-06-01 | 东南大学 | Micro-channel parallel flow loop heat pipe |
-
2021
- 2021-10-11 CN CN202111182284.7A patent/CN113973474B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102424A (en) * | 2016-08-19 | 2016-11-09 | 苏州科勒迪电子有限公司 | Heat pipe type heat radiation module and use this heat pipe type heat radiation module charging pile module |
| CN112654206A (en) * | 2020-11-05 | 2021-04-13 | 西安交通大学 | 5G base station lightweight cooling system for mine |
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| CN113973474A (en) | 2022-01-25 |
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