CN202713181U - Photovoltaic inverter and inverter combined cabinet device using same - Google Patents

Photovoltaic inverter and inverter combined cabinet device using same Download PDF

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Publication number
CN202713181U
CN202713181U CN 201220250277 CN201220250277U CN202713181U CN 202713181 U CN202713181 U CN 202713181U CN 201220250277 CN201220250277 CN 201220250277 CN 201220250277 U CN201220250277 U CN 201220250277U CN 202713181 U CN202713181 U CN 202713181U
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CN
China
Prior art keywords
module
photovoltaic
links
inverter
converter
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220250277
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Chinese (zh)
Inventor
陶高周
张国旗
牛孝先
魏庆森
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Sunshine Samsung (hefei) Energy Storage Power Supply Co Ltd
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Sungrow Power Supply Co Ltd
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Priority to CN 201220250277 priority Critical patent/CN202713181U/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

The utility model discloses a photovoltaic inverter and an inverter combined cabinet device using the photovoltaic inverter. An inverter cabinet is provided with a DC input module, a filtering module, an inversion module, and an AC output module. The filtering module comprises a DC filtering module, an electric reactor module, and an AC filtering module. The DC filtering module and the DC input module are arranged side by side in a front and back manner. The inversion module is arranged on the DC filtering module and the DC input module. The electric reactor module and the inversion module are arranged side by side. The AC filtering module is disposed under the electric reactor module. The AC output module is arranged under the AC filtering module. The photovoltaic inverter and the inverter combined cabinet device modularize components according to functions of the components, and each module is arranged according to a current flowing direction, so that a connecting path among each module is shortest, thereby saving consumption of copper bars and cables. The complete device has compact structure and small size. The inverter can be installed in relatively small space. The inverter combined cabinet device can be assembled from four surfaces of the cabinet, thereby improving working efficiency.

Description

Photovoltaic DC-to-AC converter and use inverter and the cabinet device of this photovoltaic DC-to-AC converter
Technical field
The utility model relates to a kind of inverter, in particular a kind of photovoltaic DC-to-AC converter and use inverter and the cabinet device of this photovoltaic DC-to-AC converter.
Background technology
Solar energy and wind power grid generation technology are as the important component part of renewable energy technologies development, and development in recent years is rapid, uses comparatively extensive.
In solar grid-connected generating, photovoltaic DC-to-AC converter is responsible for the converting direct-current power into alternating-current power from solar module is generated electricity by way of merging two or more grid systems.Because the residing environment facies of photovoltaic plant are to badly, photovoltaic plant staff maintenance cost is higher, and this just requires and will safeguard photovoltaic DC-to-AC converter with few human cost of trying one's best; Consider from the angle of energy output, wish that photovoltaic DC-to-AC converter can change damaging device easily and fast when breaking down; Consider that from the angle to the installing space demand wish that the overall dimensions of inverter cabinet is as far as possible little, shared space is the smaller the better.In conjunction with above requirement, how designing the little high-power photovoltaic inverter of a easy care, easy-maintaining and volume becomes the difficult problem that this area designer needs to be resolved hurrily.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of photovoltaic DC-to-AC converter is provided and has used inverter and the cabinet device of this photovoltaic DC-to-AC converter, with the components and parts in the inverter according to its function difference with its modularization, realize that the level of components and parts is installed, and be convenient to safeguard.
The utility model is achieved through the following technical solutions, be provided with direct current input module, filtration module, inversion module and AC output module in the inverter cabinet described in the utility model, described filtration module comprises DC filtering module, reactor module and ac filter module; Placed side by side before and after DC filtering module and the direct current input module, inversion module is arranged on DC filtering module and the direct current input module, reactor module and inversion module are arranged side by side, the ac filter module is positioned under the reactor module, and AC output module is arranged under the ac filter module.
Described direct current input module comprises fuse module and empty die sinking piece, and described fuse module links to each other with empty die sinking piece by copper bar, and fuse module is positioned under the sky die sinking piece.
Described DC filtering module links to each other by copper bar with empty die sinking piece, the DC filtering module is connected to the input of inversion module by cable, the output of inversion module links to each other with reactor module by pluggable terminals, reactor module links to each other with the ac filter module by cable, and the ac filter module links to each other with AC output module by copper bar.
Described reactor module is divided into three submodules by three-phase alternating current, and three submodules vertically stack successively.
Be provided with blower module on the submodule of the superiors in the described reactor module, be whole reactor module heat radiation.
Described inversion module comprises capacitor array, pressing busbar, switching tube module, radiating module and control module; Capacitor array is connected with the pressing busbar, the pressing busbar links to each other with the switching tube module, radiating module links to each other with the switching tube module respectively with control module, and the pressing busbar links to each other by cable with the DC filtering module, and the switching tube module links to each other with reactor module by pluggable terminals.
Described capacitor array is positioned under the pressing busbar, and the pressing busbar is overlapped on the switching tube module.
Described radiating module comprises radiator and blower fan, and radiator and capacitor array are arranged side by side, and blower fan links to each other with radiator, and the switching tube module is fixed on the top of radiator.
In the utility model, described AC output module is AC contact module, and AC contact module is connected to by cable on the input copper bar of output counter, be used for to realize that inverter is connected connection with output counter.
A kind of inverter and cabinet device that uses described photovoltaic DC-to-AC converter comprises the described photovoltaic DC-to-AC converter of output counter and Duo Tai, and the AC output module of every photovoltaic DC-to-AC converter is connected on the input copper bar of output counter by connection cable respectively.
The utility model has the following advantages compared to existing technology: the utility model according to the function of components and parts with its modularization, and each module is pressed the current direction order discharge, make between each module access path the shortest, saved the consumption of copper bar and cable, compact integral structure, volume are little; Can carry out front maintenance to all components and parts in the inverter, not need from the rack back device to be safeguarded again, thereby inverter of the present utility model can be installed in less space; In process of production, can assemble from the four sides of rack, enhance productivity.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model inverter and cabinet device.
Embodiment
The below elaborates to embodiment of the present utility model; present embodiment is implemented under take technical solutions of the utility model as prerequisite; provided detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
As shown in Figure 1, be provided with direct current input module 1, filtration module 2, inversion module 3 and AC output module 4 in the described inverter cabinet of present embodiment; The direct current input module 1 of present embodiment comprises fuse module 11 and empty die sinking piece 12, and described fuse module 11 links to each other with empty die sinking piece 12 by copper bar, and fuse module 11 is positioned under the sky die sinking piece 12.
Present embodiment filtration module 2 comprises DC filtering module 21, reactor module 22 and ac filter module 23, described DC filtering module 21 and empty die sinking piece 12 link to each other by copper bar, DC filtering module 21 is connected to the input of inversion module 3 by cable, the output of inversion module 3 links to each other with reactor module 22 by pluggable terminals, reactor module 22 links to each other with ac filter module 23 by cable, ac filter module 23 links to each other with AC output module 4 by copper bar, DC filtering module 21 and direct current input module 1 front and back are placed side by side, direct current input module 1 is positioned at before the DC filtering module 21, DC filtering module 21 and ac filter module 23 are arranged side by side, inversion module 3 and reactor module 22 are arranged side by side, inversion module 3 is positioned on the empty die sinking piece 12 of DC filtering module 21 and direct current input module 1, and reactor module 22 is positioned on the ac filter module 23.
Described reactor module 22 is divided into three submodules by three-phase alternating current, and three submodules vertically stack successively.
Be provided with blower module 221 on the submodule of the superiors in the described reactor module 22, be whole reactor module 22 heat radiations.
Described inversion module 3 comprises capacitor array, pressing busbar, switching tube module, radiating module and control module; Capacitor array is connected with the pressing busbar, the pressing busbar links to each other with the switching tube module, radiating module links to each other with the switching tube module respectively with control module, and pressing busbar and DC filtering module 21 link to each other by cable, and the switching tube module links to each other with reactor module 22 by pluggable terminals.
In the utility model, described AC output module 4 is AC contact module, and AC contact module is connected to by cable on the input copper bar of output counter 6, is used for the connection that realizes that inverter is connected with output counter.As shown in Figure 2, the inverter of present embodiment and cabinet device become complete machine by inverter 5 and the cabinet of three playscript with stage directions utility models, the AC contact module of every inverter 5 is connected on the input copper bar of output counter 6 by connection cable respectively, is provided with the copper bar port that connects for the user on the output counter 6.
Each module of the present utility model is discharged according to the current direction position, connection space is minimum between each module, and access path is the shortest, can reduce like this consumption of copper bar and cable between each several part, not only provide cost savings but also so that the rack compact overall structure is full, reduced the overall dimension of machine.In process of producing product, in order to enhance productivity, can assemble from the four sides of rack; When the machine installation is not subjected to spatial limitation, can change it take convenient energy rapid-maintenance as principle according to the components and parts position that machine intimate damages; When machine is installed in the small space, this inverter 5 can be safeguarded in the face of the device of any damage in the past and change.
From the probability that components and parts damage, the device of inversion module 3 inside is more fragile.It is damaged device change, only need to lay down the up and down hold-down screw of inversion module 3, pull up pluggable terminals, inversion module 3 is pulled out, its internal components is changed got final product, convenient and swift.After inversion module 3 pulled out, can change the reactance or the fan that damage.When inversion module 3 well damage, whole inversion module 3 can be changed, realized the versatility design.

Claims (10)

1. photovoltaic DC-to-AC converter, it is characterized in that, be provided with direct current input module (1), filtration module (2), inversion module (3) and AC output module (4) in the described inverter cabinet, described filtration module (2) comprises DC filtering module (21), reactor module (22) and ac filter module (23); Placed side by side before and after DC filtering module (21) and the direct current input module (1), inversion module (3) is arranged on DC filtering module (21) and the direct current input module (1), reactor module (22) and inversion module (3) are arranged side by side, ac filter module (23) is positioned under the reactor module (22), and AC output module (4) is arranged under the ac filter module (23).
2. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: described direct current input module (1) comprises fuse module (11) and empty die sinking piece (12), described fuse module (11) links to each other with empty die sinking piece (12) by copper bar, and fuse module (11) is positioned under the sky die sinking piece (12).
3. photovoltaic DC-to-AC converter according to claim 2, it is characterized in that: described DC filtering module (21) links to each other by copper bar with empty die sinking piece (12), DC filtering module (21) is connected to the input of inversion module (3) by cable, the output of inversion module (3) links to each other with reactor module (22) by pluggable terminals, reactor module (22) links to each other with ac filter module (23) by cable, and ac filter module (23) links to each other with AC output module (4) by copper bar.
4. the described photovoltaic DC-to-AC converter of any one according to claim 1-3 is characterized in that: described reactor module (22) is divided into three submodules by three-phase alternating current, and three submodules vertically stack successively.
5. photovoltaic DC-to-AC converter according to claim 4 is characterized in that: the top of the submodule of the superiors is provided with blower module (221) in the described reactor module (22).
6. the described photovoltaic DC-to-AC converter of any one according to claim 1-3 is characterized in that: described inversion module (3) comprises capacitor array, pressing busbar, switching tube module, radiating module and control module; Capacitor array is connected with the pressing busbar, the pressing busbar links to each other with the switching tube module, radiating module links to each other with the switching tube module respectively with control module, and the pressing busbar links to each other by cable with DC filtering module (21), and the switching tube module links to each other with reactor module (22) by pluggable terminals.
7. photovoltaic DC-to-AC converter according to claim 6, it is characterized in that: described capacitor array is positioned under the pressing busbar, and the pressing busbar is overlapped on the switching tube module.
8. photovoltaic DC-to-AC converter according to claim 6, it is characterized in that: described radiating module comprises radiator and blower fan, and radiator and capacitor array are arranged side by side, and blower fan links to each other with radiator, and the switching tube module is fixed on the top of radiator.
9. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: described AC output module (4) is AC contact module.
10. a right to use requires inverter and the cabinet device of each described photovoltaic DC-to-AC converter among the 1-9, comprise the described photovoltaic DC-to-AC converter of output counter and Duo Tai, the AC output module of every photovoltaic DC-to-AC converter (4) is connected on the input copper bar of output counter by connection cable respectively.
CN 201220250277 2012-05-30 2012-05-30 Photovoltaic inverter and inverter combined cabinet device using same Expired - Lifetime CN202713181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220250277 CN202713181U (en) 2012-05-30 2012-05-30 Photovoltaic inverter and inverter combined cabinet device using same

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Application Number Priority Date Filing Date Title
CN 201220250277 CN202713181U (en) 2012-05-30 2012-05-30 Photovoltaic inverter and inverter combined cabinet device using same

Publications (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485802A (en) * 2014-12-12 2015-04-01 天津电气科学研究院有限公司 High-power photovoltaic combined cabinet body
CN108512440A (en) * 2018-05-04 2018-09-07 北京金风科创风电设备有限公司 Current conversion device and bipolar current conversion system
CN111953077A (en) * 2020-08-20 2020-11-17 深圳市雄韬电源科技股份有限公司 Novel high-voltage energy storage device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485802A (en) * 2014-12-12 2015-04-01 天津电气科学研究院有限公司 High-power photovoltaic combined cabinet body
CN108512440A (en) * 2018-05-04 2018-09-07 北京金风科创风电设备有限公司 Current conversion device and bipolar current conversion system
CN111953077A (en) * 2020-08-20 2020-11-17 深圳市雄韬电源科技股份有限公司 Novel high-voltage energy storage device

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C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190428

Address after: 230088 Mingchuan Road 788, Baiyan Science Park, Hefei High-tech Zone, Anhui Province

Patentee after: Sunshine Samsung (Hefei) Energy Storage Power Supply Co., Ltd.

Address before: 230001 Tianhu Road, Hefei High-tech Zone, Anhui Province

Patentee before: Sun Grow Power Co., Ltd.

TR01 Transfer of patent right
CX01 Expiry of patent term

Granted publication date: 20130130

CX01 Expiry of patent term