CN201750356U - Mounting cabinet for photovoltaic inverter - Google Patents
Mounting cabinet for photovoltaic inverter Download PDFInfo
- Publication number
- CN201750356U CN201750356U CN2010202415270U CN201020241527U CN201750356U CN 201750356 U CN201750356 U CN 201750356U CN 2010202415270 U CN2010202415270 U CN 2010202415270U CN 201020241527 U CN201020241527 U CN 201020241527U CN 201750356 U CN201750356 U CN 201750356U
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- cabinet
- module
- exchanges
- photovoltaic
- inversion
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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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- Inverter Devices (AREA)
- Power Conversion In General (AREA)
Abstract
The utility model discloses a mounting cabinet for a photovoltaic inverter, which comprises an inverter cabinet and an AC cabinet that are connected with each other, wherein the inverter cabinet comprises a DC input module, a support capacitor module and a power module that are sequentially arranged from bottom to top; the AC cabinet comprises a display control module, an AC contactor module, an AC output module, a transformer module and an AC filter module; and the AC cabinet is divided into a front part and a rear part, wherein the display control module, the AC contactor module and the AC output module are mounted at the front part of the AC cabinet, and the transformer module and the AC filter module are mounted at the rear part of the AC cabinet. The mounting cabinet has reasonable layout, and can solve the problem of the electromagnetic interference caused by the disordered mounting of various modules.
Description
Technical field
The utility model belongs to the photovoltaic power generation technology field, is specifically related to a kind of photovoltaic DC-to-AC converter with cabinet is installed.
Background technology
Solar energy is a kind of emerging green energy resource, because its cleaning, efficiently, never depleted and be not subjected to the region resource limit, therefore have safe and reliable, noiseless, pollution-free, restriction less, advantages such as low, the easy maintenance of failure rate, the every field that can be widely used in each social life particularly is applied to grid-connected photovoltaic system.
But at present, for high-power photovoltaic synchronization contravariant device, also have a lot of irrational places in its topology layout, bad such as heat radiation, electromagnetic interference is serious, installation and maintenance inconvenience etc., it mainly shows as follows:
1. the heat dispersion of heater members and casing is poor: heat dispersion missionary society causes the thermal breakdown of switching power tube, when the temperature of casing is very high, even can make the decreased performance of some device in the system, thereby make the whole system instability;
2. forceful electric power and light current, direct current with exchange, power model and control module load in mixture together, can't solve the problem of electromagnetic interference: electromagnetic interference can cause the decline of electric equipment, transmission channel or systematic function;
3. device mounting is safeguarded, transports inconvenient.
The utility model content
Technical problem to be solved in the utility model is at the above-mentioned deficiency of existing in prior technology, provides a kind of photovoltaic DC-to-AC converter with cabinet is installed, and this installation cabinet can solve effectively that each module loads in mixture caused electromagnetic interference problem in the photovoltaic DC-to-AC converter.
The technical scheme that solution the utility model technical problem is adopted is that this photovoltaic DC-to-AC converter includes interconnected inversion cabinet and exchanges cabinet with the installation cabinet, include the direct current input module in the described inversion cabinet, support capacitance module and power model, by order from bottom to top the direct current input module is installed successively in the inversion cabinet, support capacitance module and power model, include display control module in the described interchange cabinet, the A.C. contactor module, AC output module, transformer module, the alternating current filter module, before the interchange cabinet is divided into, back two parts, display control module, the A.C. contactor module, AC output module is installed in and exchanges cabinet front portion, transformer module, the alternating current filter module is installed in and exchanges the cabinet rear portion.
In the inversion cabinet, the direct current input module is installed successively, is supported capacitance module and power model by order from bottom to top, mainly be in order to reduce the connecting line between each device, and it is more convenient that wiring is installed like this, because this erection sequence is to install according to the order of connection of components and parts in the circuit theory diagrams.
Because the display control module that exchanges in the cabinet belongs to the small-signal module,, can reduce the electromagnetic interference of magnetic element to display control module by most of electromagnetic component being installed in the rear portion that exchanges cabinet.In addition, from safeguarding the aspect, because display control module need carry out the adjustment of local parameter to circuit when debugging, the A.C. contactor module is operated by also needing, for the ease of operation, simultaneously the A.C. contactor module also is installed in the front portion that exchanges cabinet, debugs like this and safeguard all more convenient.
In addition, the erection sequence of above-mentioned installation cabinet can make system's inlet wire and outlet all be located at the cabinet bottom.Because the turnover wire system underlying of cabinet can make the wiring of whole erection cabinet smooth and easy, and is easy to connect with extraneous load.Other, but because inversion cabinet and the preceding rear cabinet door that exchanges cabinet all adopt the dodge gate of folding, this just makes installation and later maintenance become convenient.
Preferably, in the described inversion cabinet, barricade is installed in order to mutual isolation between direct current input module and the support capacitance module, supports between capacitance module and the power model and barricade is installed in order to mutual isolation; Exchange the cabinet front portion and exchange between the cabinet rear portion and barricade is installed in order to mutual isolation.
Wherein, described display control module can be installed in the upper left side that exchanges the cabinet front portion, and described A.C. contactor module can be installed in the upper right side that exchanges the cabinet front portion, and described AC output module is installed in the below that exchanges the cabinet front portion.Preferably, above-mentioned three modules are equipped with barricade between any two in order to mutual isolation.
Preferably, the cabinet door of described interchange cabinet is provided with the LCD LCDs, and its position is corresponding with the display part of described display control module, thereby makes the easy-to-connect of LCD LCDs and circuit board.
Preferably, barricade is installed in order to mutual isolation between transformer module and the alternating current filter module.
Described alternating current filter module comprises LC filter and electromagnetic interface filter, described LC filter comprises inductance L and capacitor C, described transformer module is installed in the top that exchanges the cabinet rear portion, inductance L is installed in the below that exchanges the cabinet rear portion, described electromagnetic interface filter is installed in the top of inductance L, capacitor C is installed on the sidewall that exchanges cabinet, and it is positioned at the below of transformer module.
Because the current ratio in the circuit is bigger, so can adopt the establishment copper bar to connect between inversion cabinet and the interchange cabinet.And, adopt copper bar also to be convenient to install, also make the cabinet of whole erection cabinet seem very neat simultaneously.
Described support capacitance module includes three groups of electric capacity, and each is organized electric capacity and is separately fixed at independently in the box body.
Described power model can comprise three independent IPM modules, and three IPM modules are vertically set up side by side, on described each IPM module a radiator is housed.
Preferably, described each radiator is installed in the bottom of each IPM module respectively, thereby makes each radiator form an independently front and back passage, and three heat dissipation channels independently constitute integral body mutually again jointly.Also be separately installed with a little blower fan in the dead ahead of each IPM module, described each little blower fan is dried to the IPM module along radiator in the past backward, thereby make each IPM module form the past little air channel backward, big blower fan also is equipped with at back top at the inversion cabinet, described big blower fan carries out exhausting at the back top of inversion cabinet, thereby forms a wind trunk from bottom to top at the rear portion of inversion cabinet.The formed wind trunk in formed little air channel of each IPM module and cabinet rear portion organically combines, and not only can make each IPM module heat dissipating abundant, and make whole inversion cabinet heat radiation smooth and easy.
More preferably, exchange the cabinet top big blower fan also is housed, cabinet is carried out exhausting, transformer in the cabinet and reactor are dispelled the heat from exchanging cabinet cabinet top.
Effective effect of the present utility model is as follows:
1. the location layout between each module is reasonable, has effectively reduced the electromagnetic interference problem between each module;
2. adopt two cabinet body structures, with AC portion and direct current component separately, make between alternating current-direct current influence each other little.And the inversion cabinet when exchanging the work of two cabinets of cabinet can and cabinet use, separately transportation during transportation, thus make transportation more convenient;
3. not only each heater members has been carried out radiating treatment separately, considered the heat dissipation problem of whole erection cabinet simultaneously, thereby it is happy that whole cabinet is ventilated, heat radiation is good;
4. each function element in the cabinet adopts modular design, makes the power model in the cabinet, and capacitance module etc. all can be realized assembling and dismounting by the securing member of simple plug or minority, and fan also is easy to change;
5. go out under terminal block being designed to down, holding wire separates with the wire inlet-outlet of power cable, makes terminal block convenient, easy operating;
6. cabinet opens the door before and after adopting, and makes installation and later maintenance convenient.
Description of drawings
Fig. 1 is the front portion structure figure of the utility model photovoltaic DC-to-AC converter with installation cabinet inside
Fig. 2 is the rear structure figure of the utility model photovoltaic DC-to-AC converter with interchange cabinet inside
Fig. 3 is the mounting structure figure of single IPM module and radiator in the power model
Among the figure: 1-power model 2-supports the little blower fan 17-of capacitance module 3-direct current input module 4-direct-flow input end 5-display control module 6-A.C. contactor module 7-AC output module 8-ac output end 9-barricade 10-EMI filter 11-transformer module 12-capacitor C 13-inductance L 14-LC filter 15-IPM module 16-radiator 18-inversion cabinet 19-and exchanges cabinet
Embodiment
For making those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the utility model photovoltaic DC-to-AC converter comprises inversion cabinet 18 and exchanges 19 two cabinets of cabinet with the installation cabinet, adopts the establishment copper bar to connect between two cabinets.But described inversion cabinet 18 and the preceding rear cabinet door that exchanges cabinet 19 all adopt the dodge gate (not shown) of folding.
The cabinet of inversion cabinet 18 is divided into upper, middle, and lower part, is followed successively by direct current input module 3, supports capacitance module 2 and power model 1 by from bottom to top erection sequence, and these three modules adopt barricade 9 to isolate between any two.
Direct current input module 3 includes that direct current inlet wire busbar, direct current control are opened, DC filter, and described three parts are installed by order from bottom to top.Wherein, direct-flow input end 4 is parts of direct current input module 3, is positioned at the below of direct current input module 3.
As shown in Figure 3, radiator 17 is installed in the bottom of IPM module 15, in the dead ahead of IPM module 15 little blower fan 16 is housed independently, described little blower fan 16 is dried along 17 pairs of IPM modules 15 of radiator and radiator in the past backward, thereby make each radiator 17 form independently the past little air channel backward, three independent mutually heat dissipation channels that constitute an integral body again jointly in the little air channels of heat radiation.
At the back top of inversion cabinet 18 two big blower fan (not shown)s are housed also, described big blower fan carries out exhausting at the back top of inversion cabinet, thereby forms a wind trunk from bottom to top at the rear portion of inversion cabinet.Three formed wind trunks in IPM module 15 formed little air channels and cabinet rear portion organically combine, and not only can make each IPM module heat dissipating abundant, and make whole inversion cabinet heat radiation smooth and easy.
Described interchange cabinet 19 is divided into forward and backward two parts.As shown in Figure 1, the front portion of interchange cabinet cabinet is equipped with display control module 5, A.C. contactor module 6, AC output module 7.
Described display control module 5, A.C. contactor module 6, AC output module 7 are isolated by barricade 9 in twos.
Accompanying drawing 2 has been described the utility model photovoltaic DC-to-AC converter with the rear structure figure that exchanges cabinet is installed.As shown in Figure 2, transformer module 11, alternating current filter module are equipped with in the cabinet rear portion of interchange cabinet 19.
From the back eyes front, transformer module 11 is contained in the upper-right position that exchanges cabinet cabinet rear portion from cabinet.The alternating current filter module comprises LC filter 14 and electromagnetic interface filter 10, and LC filter 14 comprises capacitor C 12 and inductance L 13.Wherein, inductance L 13 is installed in the below that exchanges cabinet cabinet rear portion, and capacitor C 12 is between transformer module 11 and inductance L 13, and it is fixed on independently in the box body, and vertically is installed on the right side wall of cabinet.Electromagnetic interface filter 10 is installed in the top of inductance L 13.
In the present embodiment, barricade 9 all adopts iron plate.
Exchange cabinet cabinet top two big blower fans also are housed, carry out exhausting from the cabinet top to exchanging cabinet cabinet inside, so that transformer in the cabinet and reactor are dispelled the heat.
Installation cabinet of the present utility model is adapted to the high-power photovoltaic synchronization inverter especially and uses.
Be understandable that above execution mode only is the illustrative embodiments that adopts for principle of the present utility model is described, yet the utility model is not limited thereto.For those skilled in the art, under the situation that does not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection range of the present utility model.
Claims (10)
1. a photovoltaic DC-to-AC converter is with cabinet is installed, include interconnected inversion cabinet (18) and exchange cabinet (19), it is characterized in that including in the described inversion cabinet direct current input module (3), support capacitance module (2) and power model (1), by order from bottom to top direct current input module (3) is installed successively in the inversion cabinet, support capacitance module (2) and power model (1), include display control module (5) in the described interchange cabinet, A.C. contactor module (6), AC output module (7), transformer module (11), the alternating current filter module, before the interchange cabinet is divided into, back two parts, display control module (5), A.C. contactor module (6), AC output module (7) is installed in and exchanges cabinet front portion, transformer module (11), the alternating current filter module is installed in and exchanges the cabinet rear portion.
2. photovoltaic DC-to-AC converter according to claim 1 is with cabinet is installed, it is characterized in that in the described inversion cabinet (18), barricade (9) is installed in order to mutual isolation between direct current input module (3) and the support capacitance module (2), supports between capacitance module (2) and the power model (1) and barricade (9) is installed in order to mutual isolation; Exchange the cabinet front portion and exchange between the cabinet rear portion and barricade is installed in order to mutual isolation.
3. photovoltaic DC-to-AC converter according to claim 2 is with cabinet is installed, it is characterized in that described display control module (5) is installed in the upper left side that exchanges the cabinet front portion, described A.C. contactor module (6) is installed in the upper right side that exchanges the cabinet front portion, described AC output module (7) is installed in the below that exchanges the cabinet front portion, and above-mentioned three modules are equipped with barricade (9) between any two in order to mutual isolation.
4. photovoltaic DC-to-AC converter according to claim 3 is characterized in that with cabinet is installed the cabinet door of described interchange cabinet (19) is provided with the LCD LCDs, and its position is corresponding with the display part of described display control module (5).
5. photovoltaic DC-to-AC converter according to claim 2 is characterized in that being equipped with between transformer module (11) and the alternating current filter module barricade (9) in order to mutual isolation with cabinet is installed.
6. photovoltaic DC-to-AC converter according to claim 5 is with cabinet is installed, it is characterized in that described alternating current filter module comprises LC filter (14) and electromagnetic interface filter (10), described LC filter comprises inductance L (13) and capacitor C (12), described transformer module (11) is installed in the top that exchanges the cabinet rear portion, inductance L (13) is installed in the below that exchanges the cabinet rear portion, described electromagnetic interface filter (10) is installed in the top of inductance L (13), capacitor C (12) is installed on the sidewall that exchanges cabinet, and it is positioned at the below of transformer module (11).
According to the described photovoltaic DC-to-AC converter of one of claim 1-6 with cabinet is installed, it is characterized in that inversion cabinet (18) and exchange adopting the connection of establishment copper bar between the cabinet (19), but described inversion cabinet and the preceding rear cabinet door that exchanges cabinet all adopt the dodge gate of folding.
According to the described photovoltaic DC-to-AC converter of one of claim 1-6 with cabinet is installed, it is characterized in that described support capacitance module (2) includes three groups of electric capacity, each is organized electric capacity and is separately fixed at independently in the box body.
9. use according to the described photovoltaic DC-to-AC converter of one of claim 1-6 cabinet is installed, it is characterized in that described power model (1) comprises three IPM modules (15), three IPM modules are vertically set up side by side, on described each IPM module a radiator (17) are housed.
10. photovoltaic DC-to-AC converter according to claim 9 is with cabinet is installed, it is characterized in that described radiator (17) is installed on the bottom of each IPM module (15) respectively, be separately installed with a little blower fan (16) in the dead ahead of each IPM module, described each little blower fan is dried to the IPM module along radiator in the past backward, thereby form the past little air channel backward, big blower fan is equipped with at back top at the inversion cabinet, described big blower fan carries out exhausting at the back top of inversion cabinet, thereby forms a wind trunk from bottom to top at the rear portion of inversion cabinet; The top that exchanges cabinet is equipped with big blower fan, carries out exhausting from the cabinet top to exchanging cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202415270U CN201750356U (en) | 2010-06-18 | 2010-06-18 | Mounting cabinet for photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202415270U CN201750356U (en) | 2010-06-18 | 2010-06-18 | Mounting cabinet for photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750356U true CN201750356U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202415270U Expired - Fee Related CN201750356U (en) | 2010-06-18 | 2010-06-18 | Mounting cabinet for photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201750356U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158054A (en) * | 2011-03-29 | 2011-08-17 | 常州佳讯光电产业发展有限公司 | Photovoltaic inverter |
| CN102497116A (en) * | 2011-12-24 | 2012-06-13 | 朱建国 | Photovoltaic grid-connected inverter |
| CN102522228A (en) * | 2011-12-27 | 2012-06-27 | 北京金风科创风电设备有限公司 | Voltage Support Capacitor Module |
| CN102751892A (en) * | 2012-07-17 | 2012-10-24 | 乐清市信达利实业有限公司 | Alternating current voltage sampling circuit of inverter and inverter comprising same |
| CN103441689A (en) * | 2013-09-13 | 2013-12-11 | 南车株洲电力机车研究所有限公司 | Modular photovoltaic grid-connected inverter structure |
| CN106410927A (en) * | 2016-09-30 | 2017-02-15 | 株洲中车时代电气股份有限公司 | Charging converter for rail transit |
| CN108054932A (en) * | 2017-12-25 | 2018-05-18 | 苍南县新源电子科技有限公司 | Inverter mounting shell |
| CN110112890A (en) * | 2018-01-31 | 2019-08-09 | 株洲中车时代电气股份有限公司 | A kind of excessive phase current transformer of train |
| US10777863B2 (en) * | 2016-07-14 | 2020-09-15 | Ge Energy Power Conversion Technology Ltd | Battery storage system with integrated inverter |
| CN111917309A (en) * | 2020-06-30 | 2020-11-10 | 国网宁夏电力有限公司检修公司 | Phase-controlled large current source generator device |
-
2010
- 2010-06-18 CN CN2010202415270U patent/CN201750356U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158054A (en) * | 2011-03-29 | 2011-08-17 | 常州佳讯光电产业发展有限公司 | Photovoltaic inverter |
| CN102497116A (en) * | 2011-12-24 | 2012-06-13 | 朱建国 | Photovoltaic grid-connected inverter |
| CN102522228B (en) * | 2011-12-27 | 2014-02-05 | 北京金风科创风电设备有限公司 | Voltage Support Capacitor Module |
| CN102522228A (en) * | 2011-12-27 | 2012-06-27 | 北京金风科创风电设备有限公司 | Voltage Support Capacitor Module |
| CN102751892B (en) * | 2012-07-17 | 2015-07-15 | 乐清市信达利实业有限公司 | Alternating current voltage sampling circuit of inverter and inverter comprising same |
| CN102751892A (en) * | 2012-07-17 | 2012-10-24 | 乐清市信达利实业有限公司 | Alternating current voltage sampling circuit of inverter and inverter comprising same |
| CN103441689A (en) * | 2013-09-13 | 2013-12-11 | 南车株洲电力机车研究所有限公司 | Modular photovoltaic grid-connected inverter structure |
| CN103441689B (en) * | 2013-09-13 | 2016-03-23 | 南车株洲电力机车研究所有限公司 | A kind of Modular photovoltaic combining inverter structure |
| US10777863B2 (en) * | 2016-07-14 | 2020-09-15 | Ge Energy Power Conversion Technology Ltd | Battery storage system with integrated inverter |
| CN106410927A (en) * | 2016-09-30 | 2017-02-15 | 株洲中车时代电气股份有限公司 | Charging converter for rail transit |
| CN106410927B (en) * | 2016-09-30 | 2019-10-15 | 株洲中车时代电气股份有限公司 | A kind of charging converter for rail traffic |
| CN108054932A (en) * | 2017-12-25 | 2018-05-18 | 苍南县新源电子科技有限公司 | Inverter mounting shell |
| CN110112890A (en) * | 2018-01-31 | 2019-08-09 | 株洲中车时代电气股份有限公司 | A kind of excessive phase current transformer of train |
| CN111917309A (en) * | 2020-06-30 | 2020-11-10 | 国网宁夏电力有限公司检修公司 | Phase-controlled large current source generator device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110216 Termination date: 20160618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |