CN204190632U - A kind of radiator structure of high-power photovoltaic inverter - Google Patents
A kind of radiator structure of high-power photovoltaic inverter Download PDFInfo
- Publication number
- CN204190632U CN204190632U CN201420638653.8U CN201420638653U CN204190632U CN 204190632 U CN204190632 U CN 204190632U CN 201420638653 U CN201420638653 U CN 201420638653U CN 204190632 U CN204190632 U CN 204190632U
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- China
- Prior art keywords
- power model
- module
- air
- igbt
- reactor
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- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012536 packaging technology Methods 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
Abstract
A radiator structure for high-power photovoltaic inverter, comprises busbar, distributing board module, IGBT power model, power model air-out diversion air duct structure, power model cooling fan, AC cooling fan, complete machine air outlet, the independent air channel structure of AC reactor, reactor, central dividing plate and rear bulkhead that rack air inlet structure assembly, DC side breaker module, bus capacitor modular assembly, bus capacitor module and IGBT module share; The advantages such as it is little that the utility model has cabinet dimensions, simple and compact for structure, and power density is high, and radiating efficiency is high, and complete machine cost is low.
Description
Technical field
The utility model relates to the technical field of heat dissipation of high-power photovoltaic inverter, is specifically related to a kind of radiator structure of high-power photovoltaic inverter.
Background technology
The heat radiation of traditional high-power photovoltaic synchronization inverter generally all adopts water-cooling pattern, although good heat dissipation effect, total noise of centrifuge is little, dustproof and waterproof function admirable, and cost is higher, and packaging technology is complicated, and maintenance and repair cost is high.
Under nowadays fierce market competition environment, enterprise wants resident basing oneself upon, the larger development sought, and while guarantee product quality, must reduce product cost as much as possible.
Summary of the invention
In order to solve above-mentioned prior art Problems existing, the purpose of this utility model is the radiator structure providing a kind of high-power photovoltaic inverter, the advantages such as its cabinet dimensions is little, simple and compact for structure, and power density is high, and radiating efficiency is high, and complete machine cost is low.
For reaching above object, the utility model adopts following technical scheme:
A radiator structure for high-power photovoltaic inverter, comprises busbar 4, distributing board module 5, IGBT power model 6, power model air-out diversion air duct structure 7, power model cooling fan 8, AC cooling fan 9, complete machine air outlet 10, the independent air channel structure 11 of AC reactor, reactor 12, central dividing plate 13 and rear bulkhead 14 that rack air inlet structure assembly 1, DC side breaker module 2, bus capacitor modular assembly 3, bus capacitor module and IGBT module share, described rack air inlet structure assembly 1 is arranged on rack front panel lower position, whole interior of equipment cabinet is divided into front cavity and rear chamber by described central dividing plate 13, is provided with DC side breaker module 2, bus capacitor modular assembly 3, distributing board module 5 and IGBT power model 6 in described front cavity, described DC side breaker module 2 to be arranged on before rack in the middle part of cavity air inlet, described bus capacitor modular assembly 3 is arranged on the top of DC side breaker module 2, and the busbar 4 shared with IGBT power model 6 common bus capacitance module and IGBT module, described distributing board module 5 is arranged on above bus capacitor modular assembly 3 side, and near front panel, described IGBT power model 6 is arranged on the back upper place of bus capacitor modular assembly 3, its heat sink part and power model air-out diversion air duct structure 7 one-tenth funnel types, and the air intake vent end be connected mutually to power model cooling fan 8, described AC cooling fan 9 is arranged in parallel in enclosure top with power model cooling fan 8, be provided with reactor 12 in the bottom of described rear chamber, the top of described reactor 12 surrounds the independent air channel structure 11 of AC reactor by central dividing plate 13 and rear bulkhead 14.
Described IGBT power model 6 comprises the IGBT power model that multiple level is arranged in parallel.
Described rack air inlet structure assembly 1 comprises dust-proof and protecting screen structure.
Described complete machine air outlet 10 comprises protecting screen structure.
The advantages such as the utility model proposes for the radiator structure of powerful photovoltaic DC-to-AC converter, and its cabinet dimensions is little, simple and compact for structure, and power density is high, and radiating efficiency is high, and complete machine cost is low, compared to the prior art, tool has the following advantages:
1) heat radiation of this high-power photovoltaic inverter adopts air cooling way, only used two backward centrifugal cooling fans and some air channels, just reaches the effect of water-cooling, simple and compact for structure, and effectively reduces the cost of complete machine.
2) by each IGBT power model level being arranged in parallel, combine with an independent diversion air channel in complete machine, make air channel smooth, radiating efficiency is high.
3) because each IGBT power model level is arranged in parallel, whole bus capacitor modular assembly can share a monoblock busbar with IGBT power model, and busbar materials are reduced, and design technology is simple, compared with each independent busbar, cost obtains reduction at double.
4) large power reactor is arranged in complete independent ventiduct cavity, has both improve the radiating efficiency of self, it also avoid and heat between each IGBT power model is interfered, and improves the reliability of self and power model.
Accompanying drawing explanation
Fig. 1 is the air channel end view of the utility model high-power photovoltaic inverter radiator structure.
Fig. 2 is the complete machine layout front view of the utility model high-power photovoltaic inverter radiator structure.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As depicted in figs. 1 and 2, the radiator structure of a kind of high-power photovoltaic inverter of the utility model, comprises busbar 4, distributing board module 5, IGBT power model 6, power model air-out diversion air duct structure 7, power model cooling fan 8, AC cooling fan 9, complete machine air outlet 10, the independent air channel structure 11 of AC reactor, reactor 12, central dividing plate 13 and rear bulkhead 14 that rack air inlet structure assembly 1, DC side breaker module 2, bus capacitor modular assembly 3, bus capacitor module and IGBT module share, described rack air inlet structure assembly 1 is arranged on rack front panel lower position, whole interior of equipment cabinet is divided into front cavity and rear chamber by described central dividing plate 13, is provided with DC side breaker module 2, bus capacitor modular assembly 3, distributing board module 5 and IGBT power model 6 in described front cavity, described DC side breaker module 2 to be arranged on before rack in the middle part of cavity air inlet, described bus capacitor modular assembly 3 is arranged on the top of DC side breaker module 2, and the busbar 4 shared with IGBT power model 6 common bus capacitance module and IGBT module, described distributing board module 5 is arranged on above bus capacitor modular assembly 3 side, and near front panel, described IGBT power model 6 is arranged on the back upper place of bus capacitor modular assembly 3, its heat sink part and power model air-out diversion air duct structure 7 one-tenth funnel types, and the air intake vent end be connected mutually to power model cooling fan 8, described AC cooling fan 9 is arranged in parallel in enclosure top with power model cooling fan 8, be provided with reactor 12 in the bottom of described rear chamber, the top of described reactor 12 surrounds the independent air channel structure 11 of AC reactor by central dividing plate 13 and rear bulkhead 14.
As preferred implementation of the present utility model, described IGBT power model 6 comprises the IGBT power model that multiple level is arranged in parallel.
As preferred implementation of the present utility model, described rack air inlet structure assembly 1 comprises dust-proof and protecting screen structure.
As preferred implementation of the present utility model, described complete machine air outlet 10 comprises protecting screen structure.
The wind direction of the utility model complete machine is: cold wind enters rack from the two or more rack air inlet structure assemblies 1 front panel of rack respectively, under the effect of fluid inertia force, the cold air that on the downside of rack front panel, air inlet enters is to breaker module 2, the devices such as copper bar cool, again after natural buoyancy lift and cabinet top to centrifugal blower produce negative pressure effect under, the independent air channel structure of AC reactor 11 pairs of reactors 12 that this part air enters reactor 12 carry out forced air cooling, finally by the AC cooling fan 9 that enclosure top is rearmounted, hot-air is retracted to rack outside, the cold air that on the upside of rack front panel, air inlet enters is to the bus capacitor modular assembly 3 in cavity before rack, after the devices such as busbar cool, again under the negative pressure effect of enclosure top power model cooling fan 8, this part air enters the heat radiator fin passage of IGBT power model 6, after taking away the heat of each IGBT power model 6, enter the funnel type power model air-out diversion air duct structure 7 on rear side of rack, finally by the power model cooling fan 8 of enclosure top, hot-air is retracted to outside cabinet, complete machine air channel is smooth and easy, the pressure loss is little, good heat dissipation effect.
Claims (4)
1. the radiator structure of a high-power photovoltaic inverter, it is characterized in that: comprise rack air inlet structure assembly (1), DC side breaker module (2), bus capacitor modular assembly (3), the busbar (4) that bus capacitor module and IGBT module share, distributing board module (5), IGBT power model (6), power model air-out diversion air duct structure (7), power model cooling fan (8), AC cooling fan (9), complete machine air outlet (10), the independent air channel structure of AC reactor (11), reactor (12), central dividing plate (13) and rear bulkhead (14),
Described rack air inlet structure assembly (1) is arranged on rack front panel lower position, whole interior of equipment cabinet is divided into front cavity and rear chamber by described central dividing plate (13), is provided with DC side breaker module (2), bus capacitor modular assembly (3), distributing board module (5) and IGBT power model (6) in described front cavity, described DC side breaker module (2) to be arranged on before rack in the middle part of cavity air inlet, described bus capacitor modular assembly (3) is arranged on the top of DC side breaker module (2), and the busbar (4) shared with IGBT power model (6) common bus capacitance module and IGBT module, described distributing board module (5) is arranged on above bus capacitor modular assembly (3) side, and near front panel, described IGBT power model (6) is arranged on the back upper place of bus capacitor modular assembly (3), its heat sink part becomes funnel type with power model air-out diversion air duct structure (7), and the air intake vent end be connected mutually to power model cooling fan (8), described AC cooling fan (9) and power model cooling fan (8) are arranged in parallel in enclosure top, be provided with reactor (12) in the bottom of described rear chamber, the top of described reactor (12) surrounds the independent air channel structure of AC reactor (11) by central dividing plate (13) and rear bulkhead (14).
2. the radiator structure of a kind of high-power photovoltaic inverter according to claim 1, is characterized in that: described IGBT power model (6) comprises the IGBT power model that multiple level is arranged in parallel.
3. the radiator structure of a kind of high-power photovoltaic inverter according to claim 1, is characterized in that: described rack air inlet structure assembly (1) comprises dust-proof and protecting screen structure.
4. the radiator structure of a kind of high-power photovoltaic inverter according to claim 1, is characterized in that: described complete machine air outlet (10) comprises protecting screen structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420638653.8U CN204190632U (en) | 2014-10-29 | 2014-10-29 | A kind of radiator structure of high-power photovoltaic inverter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420638653.8U CN204190632U (en) | 2014-10-29 | 2014-10-29 | A kind of radiator structure of high-power photovoltaic inverter |
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CN204190632U true CN204190632U (en) | 2015-03-04 |
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CN201420638653.8U Expired - Fee Related CN204190632U (en) | 2014-10-29 | 2014-10-29 | A kind of radiator structure of high-power photovoltaic inverter |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109640565A (en) * | 2019-01-30 | 2019-04-16 | 山东佳鼎电气科技有限公司 | A kind of IT cabinet with good heat radiating ability |
CN111587053A (en) * | 2020-06-24 | 2020-08-25 | 天合光能股份有限公司 | Heat dissipation air duct structure of converter and converter |
CN111587051A (en) * | 2020-06-15 | 2020-08-25 | 阳光电源股份有限公司 | Photovoltaic inverter |
CN113659849A (en) * | 2021-08-18 | 2021-11-16 | 中车青岛四方车辆研究所有限公司 | Auxiliary converter device and railway vehicle |
-
2014
- 2014-10-29 CN CN201420638653.8U patent/CN204190632U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109640565A (en) * | 2019-01-30 | 2019-04-16 | 山东佳鼎电气科技有限公司 | A kind of IT cabinet with good heat radiating ability |
CN111587051A (en) * | 2020-06-15 | 2020-08-25 | 阳光电源股份有限公司 | Photovoltaic inverter |
EP3927128A1 (en) * | 2020-06-15 | 2021-12-22 | Sungrow Power Supply Co., Ltd. | Photovoltaic inverter |
US12021487B2 (en) | 2020-06-15 | 2024-06-25 | Sungrow Power Supply Co., Ltd. | Photovoltaic inverter |
CN111587053A (en) * | 2020-06-24 | 2020-08-25 | 天合光能股份有限公司 | Heat dissipation air duct structure of converter and converter |
CN113659849A (en) * | 2021-08-18 | 2021-11-16 | 中车青岛四方车辆研究所有限公司 | Auxiliary converter device and railway vehicle |
CN113659849B (en) * | 2021-08-18 | 2023-09-22 | 中车青岛四方车辆研究所有限公司 | Auxiliary converter and railway vehicle |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 |