CN113973474A - Compact modular charging station cooling system - Google Patents
Compact modular charging station cooling system Download PDFInfo
- Publication number
- CN113973474A CN113973474A CN202111182284.7A CN202111182284A CN113973474A CN 113973474 A CN113973474 A CN 113973474A CN 202111182284 A CN202111182284 A CN 202111182284A CN 113973474 A CN113973474 A CN 113973474A
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- Prior art keywords
- charging station
- evaporator
- heat dissipation
- condenser
- modular charging
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- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims description 33
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 239000003570 air Substances 0.000 claims 8
- 239000012080 ambient air Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 239000002131 composite material Substances 0.000 abstract description 2
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 239000013526 supercooled liquid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method 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
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
Abstract
The invention discloses a compact modular charging station heat dissipation system, which comprises a modular charging station box body, wherein a transformer chamber and a charging pile chamber 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, a loop heat pipe and fin composite passive cooling strategy is adopted, and the heat is rapidly taken away from a heating unit and the like by utilizing the huge latent heat of vapor-liquid phase change, so that the heat exchange efficiency is high, no extra power consumption is needed, the safety and the high efficiency are realized, and the cost is saved; the heating unit and the heat dissipation structure of the modular charging station are integrated, the inherent size of the transformer equipment is reduced, and meanwhile the occupied area of an air cooling heat dissipation system air duct and a fan is saved, so that the modular charging station is compact in structure, saves space, and meets the requirements of miniaturization and easy moving of the modular charging station.
Description
Technical Field
The invention relates to the technical field of modular charging station heat dissipation, in particular to a compact modular charging station heat dissipation system.
Background
With the rapid development of new energy vehicles, the modularized charging station infrastructure comes up, the modularized charging station equipment can solve the problems of temporary land utilization, space constraint and inconvenience of mains supply, meanwhile, the cost of people, objects and money for moving and moving can be saved to the greatest extent, the environmental pollution is reduced, and the modularized charging station equipment has wide application prospects in construction sites, temporary building places, expressways and other scenes.
The modular charging station is a large-scale integrated device integrating power supply and distribution equipment, charging equipment and a charging terminal. The heat dissipation capacity of the charging pile and the transformer is large, so that the size of the heat dissipation system of the modular charging station directly determines the overall dimension, the operation safety and the service life of the whole equipment, and the conventional modular charging station mostly adopts a natural air cooling system, a forced air cooling system or a labyrinth air cooling system and the like to dissipate heat of a heating component. The heat dissipation system of the dry-type transformer mostly adopts a forced air cooling heat dissipation mode that a fan is arranged at the bottom, and heat dissipation air ducts are arranged inside and between a high-voltage winding and a low-voltage winding.
Because the air-cooled heat dissipation technology heat exchange efficiency is lower, and is limited by the restriction of equipment running noise, the fan power of the air-cooled heat dissipation system is not easy to be too large, the air duct sizes in the dry-type transformer and the modular charging station are larger, in addition, the heat dissipation fan can also occupy a certain space, and finally the overall dimensions of the dry-type transformer and the whole modular charging station are larger, and the air-cooled heat dissipation system is violated with the pursuit of miniaturization and easy movement of the modular charging equipment. Therefore, the air-cooled heat dissipation technology of the modular charging station has the defects of low heat dissipation efficiency, large equipment size and high operation noise, and is difficult to meet the requirements of high-efficiency heat dissipation and ultralow noise at the same time. 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 problem solved by the invention is 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 a closed-loop circulating heat dissipation pipeline and the fin group is low in power consumption and high in efficiency, and the problems of insignificant air cooling heat dissipation effect and high power consumption in the prior art are solved;
(2) how through utilizing the heat dissipation return circuit to replace the forced air cooling pipeline, will generate heat the unit and closely set up with the heat dissipation return circuit, realize structure integration, saved the space greatly, solved the modularization charging station among the prior art bulky, the transport difficulty, area is big problem.
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 chamber and a charging stack chamber of the modular charging station box body are respectively provided with a first separated heat pipe system and a second separated heat pipe system which are used for heat dissipation and cooling.
The invention has further technical improvements that: the first separated heat pipe system comprises a first evaporator, a first steam guide pipe is arranged at one end of a gas outlet of the first evaporator and is in through connection with a gas inlet of a first condenser through the first steam guide pipe, a liquid outlet of the first condenser, and a first liquid guide pipe is arranged at one end of a liquid outlet of the first condenser and is communicated with a liquid inlet of the first evaporator through the first liquid guide pipe, so that a closed-loop heat dissipation and exchange loop is formed.
The invention has further technical improvements 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 attached to the outer side wall of the dry-type transformer.
The invention has further technical improvements that: the charging pile is arranged in the charging pile chamber, the second evaporators of the second separated heat pipe systems are located outside the four heating side walls of the charging pile and tightly attached to the side walls of the charging pile, the air outlets of the second evaporators are connected with the air inlet of the second condenser through a second steam guide pipe, superheated steam generated in the capillary core of the second evaporators is transmitted, and the liquid inlets of the second evaporators are connected with the liquid outlets of the second condenser through second liquid guide pipes.
The invention has further technical improvements that: the first condenser and the second condenser are both located at the top of the box body of the modular charging station and conduct heat convection with outside air.
The invention has further technical improvements that: the first condenser is provided with a fin group consisting of straight discontinuous fins, the fins are arranged in a row, the second condenser is provided with a fin group consisting of oblique discontinuous fins, straight discontinuous fins or pin-type fins, and the fin arrangement is in a fork row.
The invention has further technical improvements that: the first steam guide pipe, the first liquid guide pipe, the first condenser, the second steam guide pipe, the second liquid guide pipe and the second condenser are all copper pipes with good heat conduction performance.
The invention has further technical improvements 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 both water, and the air pressure in the first evaporator and the air pressure in the second evaporator are 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 composite passive cooling strategy is adopted, the great latent heat of vapor-liquid phase change is utilized, heat is taken away from the heating unit and the like rapidly, the heat exchange efficiency is high, extra power consumption is not needed, safety and high efficiency are achieved, and the cost is saved.
2. The heating unit and the heat dissipation structure of the modular charging station are integrated, the inherent size of the transformer equipment is reduced, and meanwhile the occupied area of an air cooling heat dissipation system air duct and a fan is saved, so that the modular charging station is compact in structure, saves space, and meets the requirements of miniaturization and easy moving of the modular charging station.
3. The original heat dissipation fan of the transformer and the fan of the air-cooled heat dissipation system of the traditional modular charging station are eliminated, and the noise in the operation process of the equipment is greatly reduced.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic top view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the division of the structural region of the box body according to 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 steam conduit; 7. a first fluid conduit; 8. a first condenser; 9. a second evaporator; 10. a second steam conduit; 11. a second liquid conduit; 12. a charge stack; 13. a second condenser; 14. modularization charging station box.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-4, a compact modular charging station heat dissipation system includes a modular charging station housing 14, the interior of the modular charging station housing 14 is divided into four areas, which are a high voltage chamber, a low voltage chamber, a transformer chamber and a charging stack chamber, and the specific arrangement is shown in fig. 2;
the dry type transformer is arranged in the transformer chamber, the dry type transformer is used as a heat source in the transformer chamber and 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 arrangement of the conventional transformer, the low-voltage winding 2, the insulating cylinder 3 and the high-voltage winding 4 are tightly attached, heat dissipation air ducts do not need to be arranged among the three and in the three, and a heat dissipation fan does not need 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 volume compared with the conventional transformer, a charging pile 12 is arranged in the charging pile chamber, and the charging pile chamber is used as an area for providing a charging interface to the outside and is marked as a second heating unit, the high-voltage chamber and the low-voltage chamber are respectively internally provided with a high-voltage switch cabinet and a low-voltage switch cabinet, and the transformer chamber, the high-voltage chamber and the low-voltage chamber are arranged in a shape like a Chinese character 'pin'.
The transformer chamber is internally provided with a first separated heat pipe system used for radiating heat for a first heating unit, the first separated heat pipe system comprises a first evaporator 5, the first evaporator 5 is a cover-type evaporator and is arranged on the outer side wall of the dry-type transformer and 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 so as to raise the temperature, the first evaporator 5 quickly 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 guide pipe 6, one end of the first steam guide pipe 6 is communicated with the first evaporator 5, the other end of the first steam guide pipe 6 is provided with a first condenser 8 and is communicated 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 provided with a liquid outlet, one end of the liquid outlet of the first condenser 8 is provided with a first liquid guide pipe 7, the liquid outlet is communicated with a first liquid guide pipe 7, one end, far away from the liquid outlet of a first condenser 8, of the first liquid guide pipe 7 is communicated with the liquid inlet of the first evaporator 5 to form a closed-loop heat dissipation heat exchange loop, the first steam guide pipe 6 is used for transmitting superheated steam generated in a capillary core of the evaporator, the superheated steam is transmitted into the first condenser 8 through the first steam guide pipe 6, after heat exchange and condensation are carried out through the first condenser 8, subcooled liquid flows through the first liquid guide pipe 7 and flows back into the first evaporator 5, the first condenser 8 is a flat plate type condenser and is positioned at the top of a box body 14 of the modular charging station, and a condenser pipe is arranged in the first condenser 8 and is of a continuous U-shaped structure;
the heat generated by a dry type transformer in the modular charging station is conducted to a first evaporator 5, a circulating working medium in the first evaporator 5 is subjected to phase change to carry the heat to a first condenser 8, the heat is subjected to natural convection heat exchange with air outside a modular charging box body at the first condenser 8 to realize heat dissipation, and in the heat dissipation process, steam is condensed into supercooled liquid in the first condenser 8 and returns to the evaporator, so that the first separated heat pipe system completes one 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 structure 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, so that the heat transfer is more efficient, a second steam guide pipe 10 is connected with an air outlet of the second evaporator 9 and an air inlet of a second condenser 13 and is used for transmitting superheated steam generated in a capillary core of the second evaporator 9, a second liquid guide pipe 11 is connected with an 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, and the second condenser 13 is a flat-plate condenser, on top of the modular charging station cabinet 14, the second split heat pipe system work flow to condense the superheated vapor is consistent with the first split heat pipe system work flow: the heat generated by the charging stack 12 is conducted to the second evaporator 9, the circulating working medium in the second evaporator 9 is subjected to phase change 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 modular charging station box 14 to realize heat dissipation; the steam is condensed into a supercooled liquid in the second condenser 13 and returns to the second evaporator 9, and the second separated heat pipe system completes a working cycle;
the first condenser 8 is provided with fin groups which are straight discontinuous fins and arranged in a row mode, the number of the fins is 300-times 700, the second condenser 13 is also provided with fin groups which are one of oblique discontinuous fins, straight discontinuous fins or needle-shaped fins, the fin arrangement mode is a fork row mode, the number of the fins is 350-times 900, and the two fin groups can interrupt the airflow boundary layer around the fins exposed in the environment to the greater extent, so that the natural convection heat exchange between the two fin groups and the external environment is facilitated.
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 are all made of copper pipes, the copper materials are good in heat conduction performance, and quick heat dissipation can be achieved; 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 both water, the air pressure in the first evaporator 5 and the air pressure in the second evaporator 9 are lower than one 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 ℃.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A compact modular charging station heat dissipation system comprises a modular charging station box body (14), and is characterized in that a first separated heat pipe system and a second separated heat pipe system for heat dissipation and cooling are respectively arranged in a transformer chamber and a charging stack chamber of the modular charging station box body (14).
2. The compact modular charging station heat dissipation system of claim 1, wherein the first separated heat pipe system comprises a first evaporator (5), a first vapor conduit (6) is disposed at an air outlet end of the first evaporator (5) and is connected to an air inlet of a first condenser (8) through the first vapor conduit (6), an air outlet of the first condenser (8), and a first liquid conduit (7) is disposed at an air outlet end of the first condenser (8) and is connected to an air inlet of the first evaporator (5) through the first liquid conduit (7), so as to form a closed heat dissipation and heat exchange loop.
3. The compact modular charging station heat dissipation system of claim 2, wherein a dry-type transformer is installed in the transformer room, and the first evaporator (5) is disposed on and attached to the outer side wall of the dry-type transformer.
4. The compact modular charging station heat dissipation system according to claim 3, wherein a charging stack (12) is disposed in the charging stack chamber, the second evaporator (9) of the second separated heat pipe system is disposed outside the four heat-generating side walls of the charging stack (12) and closely attached to the side walls of the charging stack (12), the air outlet of the second evaporator (9) is connected to the air inlet of the second condenser (13) through a second steam conduit (10) for transmitting the superheated steam generated in the capillary core of the second evaporator (9), and the liquid inlet of the second evaporator (9) is connected to the liquid outlet of the second condenser (13) through a second liquid conduit (11).
5. The compact modular charging station heat dissipation system of claim 4, wherein the first condenser (8) and the second condenser (13) are located on top of the modular charging station housing (14) and are in convective heat transfer with ambient air.
6. The compact modular charging station heat dissipation system according to claim 5, wherein the first condenser (8) is provided with a fin group of straight interrupted fins in a row, and the second condenser (13) is provided with a fin group of one of inclined interrupted fins, straight interrupted fins or pin fins in a fork arrangement.
7. A compact modular charging station heat dissipation system according to claim 4, characterized in that the first vapor duct (6), the first liquid duct (7), the first condenser (8), the second vapor duct (10), the second liquid duct (11) and the second condenser (13) are all copper tubes.
8. The compact modular charging station heat dissipation system of claim 4, wherein the first evaporator (5) and the second evaporator (9) are both copper, the internal circulation fluid of both evaporators is water, and the air pressure in the first evaporator (5) and the second evaporator (9) is lower than a standard atmospheric pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182284.7A CN113973474A (en) | 2021-10-11 | 2021-10-11 | Compact modular charging station cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182284.7A CN113973474A (en) | 2021-10-11 | 2021-10-11 | Compact modular charging station cooling system |
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| CN113973474A true CN113973474A (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111182284.7A Pending CN113973474A (en) | 2021-10-11 | 2021-10-11 | Compact modular charging station cooling system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070247266A1 (en) * | 2004-08-10 | 2007-10-25 | Yargole Arun D | Compact Dry Transformer |
| CN101586926A (en) * | 2008-05-23 | 2009-11-25 | 清华大学 | Separation type hot pipe system |
| 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 |
| 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/CN113973474A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070247266A1 (en) * | 2004-08-10 | 2007-10-25 | Yargole Arun D | Compact Dry Transformer |
| CN101586926A (en) * | 2008-05-23 | 2009-11-25 | 清华大学 | Separation type hot pipe system |
| 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 |
| CN112880445A (en) * | 2021-01-26 | 2021-06-01 | 东南大学 | Micro-channel parallel flow loop heat pipe |
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