CN204517673U - A kind of compact photovoltaic combining inverter - Google Patents

A kind of compact photovoltaic combining inverter Download PDF

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Publication number
CN204517673U
CN204517673U CN201520152434.3U CN201520152434U CN204517673U CN 204517673 U CN204517673 U CN 204517673U CN 201520152434 U CN201520152434 U CN 201520152434U CN 204517673 U CN204517673 U CN 204517673U
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China
Prior art keywords
module
cabinet
rack
successively
direct current
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CN201520152434.3U
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Chinese (zh)
Inventor
胡雷雷
曹伦
蔡潇
邵晗
汪家安
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STATE GRID XINYUAN ZHANGJIAKOU SCENERY STORAGE DEMONSTRATION POWER PLANT CO Ltd
State Grid Corp of China SGCC
TBEA Xinjiang Sunoasis Co Ltd
Original Assignee
STATE GRID XINYUAN ZHANGJIAKOU SCENERY STORAGE DEMONSTRATION POWER PLANT CO Ltd
State Grid Corp of China SGCC
TBEA Xinjiang Sunoasis Co Ltd
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Priority to CN201520152434.3U priority Critical patent/CN204517673U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers

Abstract

A kind of compact photovoltaic combining inverter, by the DC cabinet separated by dividing plate with exchange group one-tenth; DC cabinet is provided with multiple direct current input circuit breaker, bus capacitor module, the lower air duct of IGBT power model, IGBT power model, the upper air duct of IGBT power model and DC fan module from bottom to top successively; Described interchange cabinet is outwards divided into internal layer, intermediate layer and skin successively from inner, and internal layer and intermediate layer are separated by dividing plate, and internal layer is provided with reactor module, reactor heat dissipation wind channel from bottom to top successively, exchanges heat dissipation wind channel and exchange cooling fan module; Intermediate layer is provided with successively from bottom to top to exchange and exports breaker module, ac filter module and AC contact module; Skin is provided with multiple client's binding post Power entry module and multiple Power entry module from bottom to top successively; The utility model not only makes the structural member cost of inverter effectively reduce, and has greatly improved in the reliability of the overall dimension of inverter, maintainability and complete machine.

Description

A kind of compact photovoltaic combining inverter
Technical field
The utility model relates to a kind of photovoltaic combining inverter, is specifically related to a kind of compact photovoltaic combining inverter.
Background technology
At present, low cost, high reliability, easy to maintenance, the feature such as quick for installation is the trend of inverter development, in order to realize above feature, usually the part such as IGBT and bus capacitor in rack is all encapsulated in a structure housing in industry, to realize the modularization of whole rack power section, compatible design, this kind of method for designing is producing operation assembling and maintenance after sale facilitating personnel, but whole IGBT power model is heavier, be inconvenient to carry, the processing cost of complete machine structure part is also relatively high, the whole cost of inverter is caused to remain high.
Summary of the invention
In order to overcome above-mentioned prior art Problems existing, the purpose of this utility model is to provide a kind of compact photovoltaic combining inverter, not only make the structural member cost of inverter effectively reduce, and have greatly improved in the reliability of the overall dimension of inverter, maintainability and complete machine.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of compact photovoltaic combining inverter, by the DC cabinet 1 separated by dividing plate with exchange cabinet 2 two parts and form; Described DC cabinet 1 is provided with multiple direct current input circuit breaker 1-1, bus capacitor module 1-2, the upper air duct 1-5 of lower air duct 1-3, IGBT power model 1-4, IGBT power model of IGBT power model and DC fan module 1-6 from bottom to top successively, the output of direct current input circuit breaker 1-1 is connected by busbar with between bus capacitor module 1-2, and the output of bus capacitor module 1-2 is connected with the input of IGBT power model 1-4; Described interchange cabinet 2 is outwards divided into internal layer 21, intermediate layer 22 and outer 23 successively from inner, internal layer 21 and intermediate layer 22 are separated by dividing plate, and described internal layer 21 is provided with reactor module 21-1, blower fan supply transformer module 21-2, reactor heat dissipation wind channel 21-3 from bottom to top successively and exchanges cooling fan module 21-4; Described intermediate layer 22 is provided with successively from bottom to top to exchange and exports breaker module 22-1, ac filter module 22-2 and AC contact module 22-3, exchange output breaker module 22-1 to be connected with ac filter module 22-2 by breaker module input copper bar, AC contact module 22-3 exports copper bar by contact modules and is connected with ac filter module 22-2; Described outer 23 are provided with multiple client's binding post Power entry module 23-1 and multiple Power entry module 23-2 from bottom to top successively, multiple client's binding post Power entry module 23-1 is connected with rack by hinge, multiple Power entry module 23-2 is also connected with rack by hinge, and client's binding post Power entry module 23-1 and Power entry module 23-2 can open 90 °.
Described multiple direct current input circuit breaker 1-1 divides upper and lower two-layer installation, simultaneously can the large circuit breaker input of compatible two-way, and the bottom of direct current input circuit breaker 1-1 is provided with the direct current that the input that inputs circuit breaker 1-1 with direct current is connected and inputs copper bar.
Described bus capacitor module 1-2 is installed on rack by bus capacitor module fixed hinge 1-7, and the output of bus capacitor module 1-2 is connected by screw with the input of IGBT power model 1-4.
Described reactor module 21-1 is connected with cabinet base by bolt, and blower fan supply transformer module 21-2 is fixed by mounting panel and rack, exchanges cooling fan module 21-4 and is connected with rack by screw.
Compared to the prior art comparatively, the utility model tool has the following advantages:
1., in the mentality of designing retaining existing full cabinet, front maintenance, reduced the overall dimensions of rack by structural design, reduce the purchase cost of complete machine structure part.
2. by IGBT power model and bus capacitor independent from power model, assemble separately, not only make the weight of power model greatly reduce, and easy for installation.
3. the radiating mode of power model adopts the radiating mode of lower air intake, upper air-out, greatly reduces temperature rise during IGBT work, improves the reliability of IGBT work.
Accompanying drawing explanation
Fig. 1 is the integral layout figure of inverter rack.
Fig. 2 is the layout of inverter rack DC cabinet.
Fig. 3 is the rearview of Fig. 2.
Fig. 4 is the integral layout figure (right view) that inverter rack exchanges cabinet.
Fig. 5 is the layout (rearview) that inverter rack exchanges cabinet internal layer.
Fig. 6 is the layout that inverter rack exchanges cabinet middle level.
Fig. 7 is that inverter rack exchanges the outer field layout of cabinet.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, be the integral layout figure of inverter rack, a kind of compact photovoltaic combining inverter of the utility model, by the DC cabinet 1 separated by dividing plate with exchange cabinet 2 two parts and form.
As shown in Figures 2 and 3, for the layout of inverter rack DC cabinet, described DC cabinet 1 is provided with multiple direct current input circuit breaker 1-1 from bottom to top successively, bus capacitor module 1-2, the lower air duct 1-3 of IGBT power model, IGBT power model 1-4, the upper air duct 1-5 of IGBT power model and DC fan module 1-6, described multiple direct current input circuit breaker 1-1 divides upper and lower two-layer installation, can input by the large circuit breaker of compatible two-way simultaneously, the bottom of direct current input circuit breaker 1-1 is provided with the direct current that the input that inputs circuit breaker 1-1 with direct current is connected and inputs copper bar, the output of direct current input circuit breaker 1-1 is connected by busbar with between bus capacitor module 1-2, the top of bus capacitor module 1-2 is provided with three IGBT power model 1-4, each IGBT power model can insert interior of equipment cabinet by guide rail location, the output of bus capacitor module 1-2 is connected with the input of IGBT power model 1-4, described bus capacitor module 1-2 is installed on rack by three bus capacitor module fixed hinge 1-6, the output of bus capacitor module 1-2 is connected by screw with the input of IGBT power model 1-4.Bottom and the top of described each IGBT power model 1-4 are equipped with heat dissipation wind channel.Described DC fan module 1-6 is exhausting on enclosure top is carried out, and the heat of IGBT power model 1-4 is discharged rack outside by the heat dissipation wind channel on top.
As shown in Figure 4, be the integral layout figure of the interchange cabinet 2 of inverter, exchange cabinet 2 and be outwards divided into internal layer 21, intermediate layer 22 and outer 23 successively from inner, internal layer 21 and intermediate layer 22 are separated by dividing plate,, outer 23 adopt chain connection, can open distribution panelboard module and external terminal module.
As shown in Figure 5, for inverter rack exchanges the layout of cabinet internal layer, described internal layer 21 is provided with reactor module 21-1, blower fan supply transformer module 21-2, reactor heat dissipation wind channel 21-3 from bottom to top successively and exchanges cooling fan module 21-4; Described reactor module 21-1 is connected with cabinet base by bolt, and blower fan supply transformer module 21-2 is fixed by mounting panel and rack, exchanges cooling fan module 21-4 and is connected with rack by screw.
As shown in Figure 6, for inverter rack exchanges the layout in cabinet middle level, described intermediate layer 22 is provided with successively from bottom to top to exchange and exports breaker module 22-1, ac filter module 22-2 and AC contact module 22-3, described interchange exports breaker module 22-1 and is connected by screw on rack, exchange and export breaker module 22-1 top and be provided with the copper bar exporting copper bar with contactor and is connected, exchange output breaker module 22-1 bottom and be provided with interchange three output copper bar; Described ac filter module 22-2 is installed on rack by screw, and described AC contact module 22-3 screw is connected on rack, and AC contact module 22-3 is upper and lower is respectively equipped with input and output copper bar.Exchange output breaker module 22-1 to be connected with ac filter module 22-2 by breaker module input copper bar, AC contact module 22-3 exports copper bar by contact modules and is connected with ac filter module 22-2.
As shown in Figure 7, for inverter rack exchanges the outer field layout of cabinet, described outer 23 are provided with multiple client's binding post Power entry module 23-1 and multiple Power entry module 23-2 from bottom to top successively, multiple client's binding post Power entry module 23-1 is connected with rack by hinge, multiple Power entry module 23-2 is also connected with rack by hinge, and client's binding post Power entry module 23-1 and Power entry module 23-2 can open 90 °.

Claims (4)

1. a compact photovoltaic combining inverter, is characterized in that: by the DC cabinet separated by dividing plate (1) with exchange cabinet (2) two parts and form; Described DC cabinet (1) is provided with multiple direct current input circuit breaker (1-1), bus capacitor module (1-2), the lower air duct (1-3) of IGBT power model, IGBT power model (1-4), the upper air duct (1-5) of IGBT power model and DC fan module (1-6) from bottom to top successively, the output of direct current input circuit breaker (1-1) is connected by busbar with between bus capacitor module (1-2), and the output of bus capacitor module (1-2) is connected with the input of IGBT power model (1-4); Described interchange cabinet (2) is outwards divided into internal layer (21), intermediate layer (22) and outer (23) successively from inner, internal layer (21) and intermediate layer (22) are separated by dividing plate, and described internal layer (21) is provided with reactor module (21-1), blower fan supply transformer module (21-2), reactor heat dissipation wind channel (21-3) from bottom to top successively and exchanges cooling fan module (21-4); Described intermediate layer (22) is provided with successively from bottom to top to exchange and exports breaker module (22-1), ac filter module (22-2) and AC contact module (22-3), exchange output breaker module (22-1) to be connected with ac filter module (22-2) by breaker module input copper bar, AC contact module (22-3) exports copper bar by contact modules and is connected with ac filter module (22-2); Described skin (23) is provided with multiple client's binding post Power entry modules (23-1) and multiple Power entry module (23-2) from bottom to top successively, multiple client's binding post Power entry module (23-1) is connected with rack by hinge, multiple Power entry module (23-2) is also connected with rack by hinge, and client's binding post Power entry module (23-1) and Power entry module (23-2) can open 90 °.
2. a kind of compact photovoltaic combining inverter according to claim 1, it is characterized in that: described multiple direct current input circuit breaker (1-1) point upper and lower two-layer installation, simultaneously can the large circuit breaker input of compatible two-way, the bottom of direct current input circuit breaker (1-1) is provided with the direct current that the input that inputs circuit breaker (1-1) with direct current is connected and inputs copper bar.
3. a kind of compact photovoltaic combining inverter according to claim 1, it is characterized in that: described bus capacitor module (1-2) is installed on rack by bus capacitor module fixed hinge (1-7), the output of bus capacitor module (1-2) is connected by screw with the input of IGBT power model (1-4).
4. a kind of compact photovoltaic combining inverter according to claim 1, it is characterized in that: described reactor module (21-1) is connected with cabinet base by bolt, blower fan supply transformer module (21-2) is fixed by mounting panel and rack, exchanges cooling fan module (21-4) and is connected with rack by screw.
CN201520152434.3U 2015-03-17 2015-03-17 A kind of compact photovoltaic combining inverter Active CN204517673U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110138238A (en) * 2017-02-17 2019-08-16 许继电气股份有限公司 A kind of power module
CN110932567A (en) * 2019-10-29 2020-03-27 珠海格力电器股份有限公司 Main motor driver and new energy vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110138238A (en) * 2017-02-17 2019-08-16 许继电气股份有限公司 A kind of power module
CN110138238B (en) * 2017-02-17 2021-04-16 许继电气股份有限公司 Power module
CN110932567A (en) * 2019-10-29 2020-03-27 珠海格力电器股份有限公司 Main motor driver and new energy vehicle

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