CN103280998A - Water-cooling heat dissipation system of photovoltaic inverter - Google Patents
Water-cooling heat dissipation system of photovoltaic inverter Download PDFInfo
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- CN103280998A CN103280998A CN2013102111061A CN201310211106A CN103280998A CN 103280998 A CN103280998 A CN 103280998A CN 2013102111061 A CN2013102111061 A CN 2013102111061A CN 201310211106 A CN201310211106 A CN 201310211106A CN 103280998 A CN103280998 A CN 103280998A
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- water
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- radiator
- cooling
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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
Abstract
The invention relates to a water-cooling heat dissipation system of a photovoltaic inverter, and belongs to the field of current transformer heat dissipation technologies. The water-cooling heat dissipation system of the photovoltaic inverter comprises a water-cooling plate (13), an outer pipeline (14) and an outdoor heat dissipation device (15), wherein the water-cooling plate (13) is placed in the inverter, a power electronic device is attached to the surface of the water-cooling plate, through circulation of liquid in the water-cooling plate, heat emitted by the power electronic device is taken away, the water-cooling plate (13) is connected with the outdoor heat dissipation device (15) through the outer pipeline (14) in a linkage mode, and three fourth inches rubber hosepipe is adopted for the outer pipeline (14). The water-cooling plate performs primary heat exchange, and the outdoor heat dissipation device is used for secondary heat exchange. Compared with air-cooling heat dissipation, the water-cooling heat dissipation system of the photovoltaic inverter has the advantages of being high in heat dissipation efficiency, free of noises, high in electric energy transfer efficiency and the like, and reduces the size of the inverter.
Description
Technical field
The invention belongs to current transformer heat dissipation technology field, a kind of photovoltaic DC-to-AC converter water-cooling heat radiating system particularly is provided, be applicable to solar photovoltaic inverter.
Background technology
The energy is that human society exists the important substance basis with development, and along with the high speed development of society, the demand of the energy and resource is increasing, and photovoltaic generation is a kind of recognized techniques content height, rising new energy technology.Solar energy is inexhaustible, nexhaustible, does not produce any discarded object, does not have pollutions such as noise, can not produce harmful effect to environment, is desirable clean energy resource.Photovoltaic DC-to-AC converter is the important equipment of realizing the solar energy to electrical conversion, high-power wind-cooling heat dissipating inverter, and radiating efficiency is low, and volume is big, and noise is big, influences energy conversion efficiency.
Summary of the invention
The object of the present invention is to provide a kind of photovoltaic DC-to-AC converter water-cooling heat radiating system, solved high-power wind-cooling heat dissipating inverter, radiating efficiency is low, and volume is big, and noise is big, influences the problem of energy conversion efficiency.
The present invention is used for the water-cooling heat radiating system of the high-power photovoltaic DC-to-AC converter of 500kW, cooling system divides two parts, inverter inner fin and outdoor heat abstractor, and water pump drives coolant and circulates in system, take away the heat of fin, play the effect to the heat radiation of inverter heater element.
Fin of the present invention is placed on inverter inside, and power electronic device is attached to fin surface, and water inlet and delivery port are arranged on the fin.
Outdoor heat abstractor of the present invention is to circulate in system by coolant, and heat is dissipated by radiator, and coolant is 50% pure water and 50% ethylene glycol mixture, adds ethylene glycol and is used for antifreeze.
The present invention includes cooled plate 13, external pipe 14 and outdoor heat abstractor 15; Cooled plate 13 is put in inverter inside, and power electronic device is attached to the cooled plate surface, walks the heat that the electric power electronic device distributes by liquid tape loop in cooled plate;
Cooled plate 13 and outdoor heat abstractor 15 are by external pipe 14 links; External pipe 14 adopts 3/4 inch rubber flexible pipe.
Above the replenisher tank 2 lid is arranged, can open in system and inject coolant.
Circulating pump 5 provides power, and coolant is circulated in system.Metered flow is 1m3/h; Lift is 30m.
Cooled plate of the present invention is carried out a heat exchange, and outdoor heat abstractor is used for secondary heat exchange.Replenisher tank is used for injecting coolant; Air radiator and blower fan play the secondary heat exchange effect; Circulating pump provides power for coolant circulates in cooled plate, pipeline, air radiator; Ball valve is used for regulating pressure and lift; Pressure gauge is used for showing pressure; Vent valve is used for the gas of emptying system; Draining valve is used for the emptying coolant; Supply transformer is used for providing electric energy to circulating pump, blower fan, the transformer radiator fan of system; The transformer radiator fan is the heat radiation of supply transformer device.
Beneficial effect of the present invention is that the present invention compares with wind-cooling heat dissipating, has the radiating efficiency height, noiselessness, energy conversion efficiency advantages of higher; And reduced the volume of inverter.
Description of drawings
Fig. 1 is photovoltaic DC-to-AC converter water-cooling heat radiating system schematic diagram of the present invention.Wherein, replenisher tank 2, blower fan 3, air radiator 4, circulating pump 5, pipeline 6, ball valve 7, vent valve 10, draining valve 11, Pressure gauge 12, cooled plate 13, external pipe 14, outdoor heat abstractor 15.
Fig. 2 is the outdoor heat abstractor of the present invention.Wherein, cabinet 1, replenisher tank 2, blower fan 3, air radiator 4, circulating pump 5, pipeline 6, ball valve 7, supply transformer 8, transformer radiator fan 9, vent valve 10, draining valve 11, Pressure gauge 12.
Embodiment
In order more specifically to describe the present invention, below in conjunction with drawings and Examples technical scheme of the present invention and relative theory thereof are elaborated.
As shown in Figure 1 and Figure 2, described photovoltaic DC-to-AC converter water-cooling heat radiating system is made up of cooled plate 13, external pipe 14 and outdoor heat abstractor 15.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, cooled plate 13 is put in inverter inside, and power electronic device is attached to the cooled plate surface, walks the heat that the electric power electronic device distributes by liquid tape loop in cooled plate.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, external pipe 14 is used for connecting cooled plate 13 and outdoor heat abstractor 15.External pipe 14 external pipes adopt 3/4 inch rubber flexible pipe.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, outdoor heat abstractor 15 is made up of cabinet 1, replenisher tank 2, blower fan 3, air radiator 4, circulating pump 5, pipeline 6, ball valve 7, supply transformer 8, transformer radiator fan 9, vent valve 10, draining valve 11 and Pressure gauge 12.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, coolant are 50% pure water and 50% ethylene glycol mixture, add ethylene glycol and are used for antifreeze.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system has lid above the replenisher tank 2, can open in system and inject coolant.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, air radiator 4 is used for distributing the heat that coolant brings.Air radiator 4 adopts finned plate heat exchanger, and heat radiation power can reach 8kW.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, circulating pump 5 provides power, and coolant is circulated in system.Metered flow is 1m3/h; Lift is 30m.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, ball valve 7 is used for pressure and the lift of regulating system, by Pressure gauge 12 display system pressure.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, vent valve 10 is used for the air of discharge system; Draining valve 11, the liquid in can the discharge system during maintenance.
Described photovoltaic DC-to-AC converter water-cooling heat radiating system, supply transformer 8 is for circulating pump 5, blower fan 3, transformer radiator fan 9 provide electric energy; Transformer radiator fan 9 is supply transformer 8 heat radiations.
Claims (9)
1. a photovoltaic DC-to-AC converter water-cooling heat radiating system is characterized in that, comprises cooled plate (13), external pipe (14) and outdoor heat abstractor (15);
Cooled plate (13) is put in inverter inside, and power electronic device is attached to the cooled plate surface, walks the heat that the electric power electronic device distributes by liquid tape loop in cooled plate;
Cooled plate (13) and outdoor heat abstractor (15) are by external pipe (14) link; External pipe (14) adopts 3/4 inch rubber flexible pipe.
2. cooling system according to claim 1, it is characterized in that described outdoor heat abstractor (15) comprises cabinet (1), replenisher tank (2), blower fan (3), air radiator (4), circulating pump (5), pipeline (6), ball valve (7), supply transformer (8), transformer radiator fan (9), vent valve (10), draining valve (11) and Pressure gauge (12); Replenisher tank (2), blower fan (3), air radiator (4), circulating pump (5), pipeline (6), ball valve (7), supply transformer (8), transformer radiator fan (9), vent valve (10), draining valve (11) and Pressure gauge (12) all are installed in above the cabinet (1); Replenisher tank (2), air radiator (4), circulating pump (5), ball valve (7), vent valve (10), draining valve (11) and Pressure gauge (12) link together by pipeline (6), form the circulatory system, coolant is in inner loop, and pipeline (6) adopts stainless steel tube; Blower fan (3) is installed in the back side of air radiator (4), to the opposite direction exhausting of air radiator (4); Transformer radiator fan (9) is installed in the side of supply transformer (8), dries to supply transformer (8); Transformation radiator fan (9), blower fan (3) are connected with supply transformer (8) by cable.
3. cooling system according to claim 1 is characterized in that, coolant is 50% pure water and 50% ethylene glycol mixture, adds ethylene glycol and is used for antifreeze.
4. cooling system according to claim 2 is characterized in that, replenisher tank has lid above (2), opens in system and injects coolant.
5. cooling system according to claim 2 is characterized in that, air radiator (4) is used for distributing the heat that coolant brings; Air radiator (4) adopts finned plate heat exchanger, and heat radiation power reaches 8kW.
6. cooling system according to claim 2 is characterized in that, circulating pump (5) provides power, and coolant is circulated in system; Metered flow is 1m3/h; Lift is 30m.
7. cooling system according to claim 2 is characterized in that, ball valve (7) is used for pressure and the lift of regulating system, by Pressure gauge (12) display system pressure.
8. cooling system according to claim 2 is characterized in that, vent valve (10) is used for the air of discharge system; Liquid during draining valve (11) maintenance in the discharge system.
9. cooling system according to claim 2 is characterized in that, supply transformer (8) is that circulating pump (5), blower fan (3), transformer radiator fan (9) provide electric energy; Transformer radiator fan (9) is supply transformer (8) heat radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102111061A CN103280998A (en) | 2013-05-30 | 2013-05-30 | Water-cooling heat dissipation system of photovoltaic inverter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102111061A CN103280998A (en) | 2013-05-30 | 2013-05-30 | Water-cooling heat dissipation system of photovoltaic inverter |
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| CN103280998A true CN103280998A (en) | 2013-09-04 |
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| CN2013102111061A Pending CN103280998A (en) | 2013-05-30 | 2013-05-30 | Water-cooling heat dissipation system of photovoltaic inverter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500950A (en) * | 2013-10-23 | 2014-01-08 | 黄娟娟 | Square suction type cable cooler |
| CN103500951A (en) * | 2013-10-23 | 2014-01-08 | 黄三甦 | Square bidirectional suction type cable cooler |
| CN103500970A (en) * | 2013-10-23 | 2014-01-08 | 杨健儿 | Square bidirectional suction type cable cooler |
| CN103500971A (en) * | 2013-10-23 | 2014-01-08 | 朱雪君 | Square suction type cable-cooling system |
| CN103532034A (en) * | 2013-10-23 | 2014-01-22 | 黄肖峰 | Exhaust cable cooler |
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| CN202799530U (en) * | 2012-08-15 | 2013-03-13 | 中国船舶重工集团公司第七一六研究所 | Water cooling and air cooling self-circulating type mixed heat radiation device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500950A (en) * | 2013-10-23 | 2014-01-08 | 黄娟娟 | Square suction type cable cooler |
| CN103500951A (en) * | 2013-10-23 | 2014-01-08 | 黄三甦 | Square bidirectional suction type cable cooler |
| CN103500970A (en) * | 2013-10-23 | 2014-01-08 | 杨健儿 | Square bidirectional suction type cable cooler |
| CN103500971A (en) * | 2013-10-23 | 2014-01-08 | 朱雪君 | Square suction type cable-cooling system |
| CN103532034A (en) * | 2013-10-23 | 2014-01-22 | 黄肖峰 | Exhaust cable cooler |
| CN103500951B (en) * | 2013-10-23 | 2015-08-05 | 黄三甦 | A kind of square two-way air suction type electric cable cooling device |
| CN103532034B (en) * | 2013-10-23 | 2015-12-09 | 国网江西省电力公司南昌供电分公司 | A kind of air suction type electric cable cooler |
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| CN103500970B (en) * | 2013-10-23 | 2016-04-13 | 汪清明 | A kind of square two-way air suction type electric cable cooler |
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Application publication date: 20130904 |