CN203574550U - Heat radiation device of photovoltaic inverter - Google Patents
Heat radiation device of photovoltaic inverter Download PDFInfo
- Publication number
- CN203574550U CN203574550U CN201320572599.7U CN201320572599U CN203574550U CN 203574550 U CN203574550 U CN 203574550U CN 201320572599 U CN201320572599 U CN 201320572599U CN 203574550 U CN203574550 U CN 203574550U
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- Prior art keywords
- radiation device
- photovoltaic inverter
- inverter
- heat
- radiator
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model provides a heat radiation device of a photovoltaic inverter. The heat radiation device comprises a sealing box body, an inverter main body, and the heat radiation device, wherein the inverter is mounted in the sealing box body, the heat radiation device is connected with the inverter, and the heat radiation device employs a cooling method of liquid coolant cycling. The heat radiation device is beneficial in that: the inverter main body is mounted in the sealing box body, so that the inverter main body is prevented from invasions of dust storm and rainwater; external environment has small influence on the inverter, so that aging of the inverter is slowed down, and usage lift of the inverter is prolonged; and a cooling method of liquid coolant cycling is employed, so that good heat radiation effect is obtained.
Description
Technical field
The utility model relates to photovoltaic DC-to-AC converter field, relates in particular to a kind of photovoltaic inverter radiation device.
Background technology
In the construction addressing process of solar photo-voltaic power generation station, for covering the good remote districts of sunshine condition, reduce cost of investment, solar photo-voltaic power generation station is conventionally under severe external environment condition, they unavoidably suffer the thermal radiation of the sun and the impact of equipment heating itself, for this reason, the impact of eliminating environment is most important to the reliably working of electronic equipment, prevent rainwater and humidity, dust, foreign matter, the infringement of salt fog, the Major Cooling Methods of current employing is air-cooled, air-cooled principle is that fan drives Air Flow, owing to there is heat transfer temperature difference in air themperature and inverter, the air of low temperature is taken away the heat that inverter is loose, because untreated surrounding air is directly blown over inverter, there is a lot of hidden danger in air-cooled inverter: first because inverter directly contacts with air, in the very large place of variation of ambient temperature, impact due to thermal stress and alternate stress, can accelerate the aging of inverter, the useful life of less inverter.Rainwater in its secondary environment, dust storm etc. are directly blown over inverter, some have the harmful substance of corrosiveness may be applied to inverter surface, and tiny micronic dust may enter inverter inside, accumulates over a long period, not only affect the useful life of inverter, also affect the normal usage function of inverter.
Utility model content
In order to solve the problems of the prior art, the utility model provides a kind of photovoltaic inverter radiation device.
The utility model provides a kind of photovoltaic inverter radiation device, comprise seal case, inverter main body and heat abstractor, described inverter is arranged in described seal case, and described heat abstractor is connected with described inverter, and described heat abstractor is the liquid circulation type of cooling.
As further improvement of the utility model, described heat abstractor comprises the first radiator and the second radiator, described the first radiator comprises heat-conducting plate and is embedded in the heat pipe in described heat-conducting plate, described heat-conducting plate is affixed on described inverter body surfaces, described the second radiator is located at outside described casing, described the second radiator comprises external fan and radiating tube, described external fan and described radiating tube fit, this photovoltaic inverter radiation device also comprises water pump, described radiating tube output is connected with described heat pipe input by described water pump, described heat pipe output and described radiating tube input form circulation circuit.
As further improvement of the utility model, between described radiating tube output and described water pump, be also provided with refrigerating plant, described refrigerating plant comprises the first communicating pipe, the second communicating pipe and compressor, described radiating tube output respectively with described first communicating pipe input and second communicating pipe input by the first triple valve, be communicated with, described water pump respectively with described first communicating pipe output and second communicating pipe output by the second triple valve, be communicated with, described compressor was communicated with described the second communicating pipe.
As further improvement of the utility model, this photovoltaic inverter radiation device also comprises controller, and described controller is controlled the first triple valve, the second triple valve and compressor operating.
As further improvement of the utility model, it is outside that described refrigerating plant is arranged on described seal case.
As further improvement of the utility model, described the first radiator also comprises fan inside, and described fan inside is arranged on described heat-conducting plate.
As further improvement of the utility model, this photovoltaic inverter radiation device also comprises temperature sensor, and described temperature sensor is arranged on described heat-conducting plate, and described temperature sensor is electrically connected to described controller.
As further improvement of the utility model, described heat pipe is many.
As further improvement of the utility model, described external fan is at least two.
As further improvement of the utility model, in described heat pipe, be filled with ethylene glycol solution.
The beneficial effects of the utility model are: inverter main body is arranged on the invasion and attack that can not be subject to dust storm rainwater in seal case, be subject to the impact of external environment little, the aging of inverter that slowed down, has extended useful life of inverter, and using the liquid circulation type of cooling, radiating effect is better.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model photovoltaic inverter radiation device;
Fig. 2 is the structural representation of the first radiator of the utility model photovoltaic inverter radiation device.
Embodiment
As shown in Figure 1 and Figure 2, the utility model discloses a kind of photovoltaic inverter radiation device, comprise seal case 1 and inverter main body 2, inverter main body 2 is arranged in seal case 1, solar power plant is all generally to build under the severe external environment condition such as desert, wilderness, seal case 1 can prevent the infringement of the extraneous factors such as rainwater and humidity, dust, foreign matter, salt fog, can guarantee that photovoltaic DC-to-AC converter works under metastable environment.
Inverter can produce heat when work, but also be to work in seal cavity, like this to having relatively high expectations of dispelling the heat, the utility model photovoltaic inverter radiation device also comprises heat abstractor, heat abstractor comprises the first radiator 3 and the second radiator 4, the first radiator 3 comprises heat-conducting plate 31 and heat pipe 32, heat pipe 32 is located in heat-conducting plate 31, the outer surface of heat pipe 32 and heat-conducting plate 31 fit, heat-conducting plate 31 1 sides and inverter main body 2 fit, the transmission that can guarantee like this heat is more abundant, in heat-conducting plate 31, be provided with many heat pipes 32, be conducive to heat radiation, the second radiator 4 is located at casing outside, the second radiator 4 comprises external fan and radiating tube, external fan is at least two, external fan and radiating tube laminating, radiating tube output is connected with heat pipe 32 inputs by water pump 5, heat pipe 32 outputs and radiating tube input form circulation circuit, in heat pipe 32 and radiating tube, be full of the cooling fluid that the freezing points such as ethylene glycol are lower, effect by water pump 5 can allow cooling fluid circulate in heat pipe 32 and radiating tube, the heat that inverter produces like this passes to the heat pipe 32 in heat-conducting plate 31, ethylene glycol solution flows and flows in radiating tube from radiating tube input through heat pipe 32 outputs, external fan is to the radiating tube processing of lowering the temperature, after cooling fluid cooling, by the radiating tube output water pump 5 of flowing through, from heat pipe input, flow back to heat pipe 32 again, proceed heat exchange, guaranteed the normal temperature of inverter main body 2.
Between radiating tube output and water pump 5, be also provided with refrigerating plant 6, refrigerating plant 6 is arranged on seal case 1 outside, refrigerating plant 6 comprised for the first communicating pipe, the second communicating pipe and compressor, radiating tube respectively with came in and went out the first communicating pipe end and second communicating pipe input by a triple valve, be communicated with, water pump 5 respectively with first communicating pipe output and second communicating pipe output by another triple valve, be communicated with, compressor was communicated with the second communicating pipe, this photovoltaic inverter radiation device also comprises controller and temperature sensor, temperature sensor is arranged on heat-conducting plate 31, the temperature that heat-conducting plate 31 detected when temperature sensor is during lower than predetermined temperature value, compressor is not worked, controller is controlled triple valve by the first communicating pipe, radiating tube, water pump 5 is communicated with, so just the external fan by the second radiator 4 dispels the heat, when ambient temperature is higher, the second radiator 4 can not meet radiating requirements, when temperature sensor detects heat-conducting plate 31 temperature higher than predetermined temperature, compressor operating, controller is controlled triple valve by the second communicating pipe, radiating tube, water pump 5 is communicated with, strengthened like this radiating effect, guaranteed the normal work of inverter in seal cavity, can the too high phenomenon of occurrence temperature.
The first radiator 3 also comprises fan inside 33, fan inside 33 is arranged on heat-conducting plate 31, the rotating shaft of fan inside 33 is perpendicular to heat-conducting plate 31, when external heat sink 4 cannot reach heat radiation while requiring, controller is controlled fan inside 33 work, directly heat-conducting plate 31 is carried out coolingly, makes its environment temperature more even, avoid local temperature too high, be conducive to heat radiation.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a photovoltaic inverter radiation device, it is characterized in that: comprise seal case, inverter main body and heat abstractor, described inverter is arranged in described seal case, and described heat abstractor is connected with described inverter, and described heat abstractor is the liquid circulation type of cooling.
2. photovoltaic inverter radiation device according to claim 1, it is characterized in that: described heat abstractor comprises the first radiator and the second radiator, described the first radiator comprises heat-conducting plate and is embedded in the heat pipe in described heat-conducting plate, described heat-conducting plate is affixed on described inverter body surfaces, described the second radiator is located at outside described casing, described the second radiator comprises external fan and radiating tube, described external fan and described radiating tube fit, this photovoltaic inverter radiation device also comprises water pump, described radiating tube output is connected with described heat pipe input by described water pump, described heat pipe output and described radiating tube input form circulation circuit.
3. photovoltaic inverter radiation device according to claim 2, it is characterized in that: between described radiating tube output and described water pump, be also provided with refrigerating plant, described refrigerating plant comprises the first communicating pipe, the second communicating pipe and compressor, described radiating tube output respectively with described first communicating pipe input and second communicating pipe input by the first triple valve, be communicated with, described water pump respectively with described first communicating pipe output and second communicating pipe output by the second triple valve, be communicated with, described compressor was communicated with described the second communicating pipe.
4. photovoltaic inverter radiation device according to claim 3, is characterized in that: this photovoltaic inverter radiation device also comprises controller, and described controller is controlled the first triple valve, the second triple valve and compressor operating.
5. photovoltaic inverter radiation device according to claim 3, is characterized in that: it is outside that described refrigerating plant is arranged on described seal case.
6. photovoltaic inverter radiation device according to claim 2, is characterized in that: described the first radiator also comprises fan inside, and described fan inside is arranged on described heat-conducting plate.
7. photovoltaic inverter radiation device according to claim 4, is characterized in that: this photovoltaic inverter radiation device also comprises temperature sensor, and described temperature sensor is arranged on described heat-conducting plate, and described temperature sensor is electrically connected to described controller.
8. photovoltaic inverter radiation device according to claim 2, is characterized in that: described heat pipe is many.
9. photovoltaic inverter radiation device according to claim 2, is characterized in that: described external fan is at least two.
10. photovoltaic inverter radiation device according to claim 2, is characterized in that: in described heat pipe, be filled with ethylene glycol solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572599.7U CN203574550U (en) | 2013-09-16 | 2013-09-16 | Heat radiation device of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572599.7U CN203574550U (en) | 2013-09-16 | 2013-09-16 | Heat radiation device of photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574550U true CN203574550U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320572599.7U Expired - Lifetime CN203574550U (en) | 2013-09-16 | 2013-09-16 | Heat radiation device of photovoltaic inverter |
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| CN (1) | CN203574550U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634403A (en) * | 2014-10-29 | 2016-06-01 | 哈尔滨聚吉轩科技开发有限公司 | Vehicle solar energy automatic memory |
| CN106132177A (en) * | 2016-08-24 | 2016-11-16 | 苏州复睿电力科技股份有限公司 | A kind of cooling system of inverter |
| CN107612499A (en) * | 2017-10-13 | 2018-01-19 | 深圳市美克能源科技股份有限公司 | A kind of solar energy power frequency combining inverter and its photovoltaic energy storage generate electricity |
| WO2019020839A1 (en) * | 2017-07-28 | 2019-01-31 | Wynnertech, S.L. | Photovoltaic inverter of up to 1500 v |
-
2013
- 2013-09-16 CN CN201320572599.7U patent/CN203574550U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634403A (en) * | 2014-10-29 | 2016-06-01 | 哈尔滨聚吉轩科技开发有限公司 | Vehicle solar energy automatic memory |
| CN106132177A (en) * | 2016-08-24 | 2016-11-16 | 苏州复睿电力科技股份有限公司 | A kind of cooling system of inverter |
| WO2019020839A1 (en) * | 2017-07-28 | 2019-01-31 | Wynnertech, S.L. | Photovoltaic inverter of up to 1500 v |
| CN107612499A (en) * | 2017-10-13 | 2018-01-19 | 深圳市美克能源科技股份有限公司 | A kind of solar energy power frequency combining inverter and its photovoltaic energy storage generate electricity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221103 Address after: Floor 9, Keshida Industrial Park R&D Building, No.7 Road, Gaoxinyuan West District, Guangming New District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN KSTAR NEW ENERGY Co.,Ltd. Address before: Floor 4, Building 1, Software Park, High tech Middle Second Road, Nanshan District, Shenzhen, Guangdong 518057 Patentee before: SHENZHEN KSTAR SCIENCE AND TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |