CN203851044U - Photovoltaic inverter power cabinet - Google Patents
Photovoltaic inverter power cabinet Download PDFInfo
- Publication number
- CN203851044U CN203851044U CN201420251164.7U CN201420251164U CN203851044U CN 203851044 U CN203851044 U CN 203851044U CN 201420251164 U CN201420251164 U CN 201420251164U CN 203851044 U CN203851044 U CN 203851044U
- Authority
- CN
- China
- Prior art keywords
- power cabinet
- power
- cabinet
- fan module
- model
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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 utility model discloses a photovoltaic inverter power cabinet, which comprises a plurality of air inlet structure assemblies arranged at the middle lower part of the front panel of the power cabinet. Horizontal baffles arranged at the middle lower part inside the power cabinet divide the inner part of the power cabinet into an upper part and a lower part. A vertical beam plate arranged in the middle position of the lower part of the power cabinet divides the lower part of the power cabinet into a front side and a rear side. A circuit breaker is arranged at the front side of the lower part of the power cabinet and is fixed on the vertical beam plate. A capacitor assembly, a power module and a control unit are sequentially arranged on the vertical beam plate. A plurality of small power modules are parallelly connected to form the power module, baffles are adopted for separation, and each small power module is provided with an independent heat radiator. A fan module is arranged at the top part of the rear end of the power cabinet. An oblique air guide plate is arranged between the front part of the fan module and the rear part of the power module. The lower side of the fan module, the rear side wall of the power cabinet, the horizontal baffles, the capacitor assembly, the side wall of the rear end of the power module and the oblique air guide plate encircle an air duct structure. The photovoltaic inverter power cabinet has the advantages that the size of the cabinet is small, the structure is simple and compact, the heat radiation efficiency is high, and the cost of heat radiation is low and the like.
Description
Technical field
The utility model relates to photovoltaic DC-to-AC converter technical field, is specifically related to a kind of photovoltaic DC-to-AC converter power cabinet.
Background technology
The radiating mode of the IGBT power model in traditional photovoltaic DC-to-AC converter power cabinet is mostly by many cooling fan serial or parallel connections are carried out to air blast to force cooling to IGBT power model together, this radiator structure risk point is many, occupy power cabinet cabinet space large, cause the cost of radiator structure high.
In addition, the power cell of high-power photovoltaic inverter great majority adopt the mode of a plurality of little power model parallel connections at present, and each power model is generally to concentrate to place at interior of equipment cabinet, so the heat that each module produces unavoidably can disturb each other, thereby affect the radiating effect in whole cabinet, easily because radiating effect is poor, cause the damage of power model.
Summary of the invention
The advantages such as for solving above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of photovoltaic DC-to-AC converter power cabinet, has cabinet dimensions little, and modularized design is strong, simple and compact for structure, and radiating efficiency is high, and heat radiation cost is low.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of photovoltaic DC-to-AC converter power cabinet, comprise a plurality of air inlet structure assemblies 1 that are arranged on power cabinet front panel middle and lower part, be arranged on the horizontal baffle 6 of middle and lower part in power cabinet, described horizontal baffle 6 is divided into upper and lower two parts by power cabinet inside, be arranged on the vertical beam slab 7 in part centre position under power cabinet, the top of described vertical beam slab 7 and horizontal baffle 6 join, bottom and power cabinet base plate join, both sides before and after part under power cabinet is divided into, circuit breaker 8 is arranged on part front side under power cabinet, and be fixed on vertical beam slab 7, capacitance component 10 is arranged on the top of horizontal baffle 6, and place near power cabinet front end, power model 4 is arranged on the top of capacitance component 10, described power model 4 is composed in parallel by a plurality of little power models, each little power model is stack placement successively in power cabinet, and adopt dividing plate to separate between each little power model, each little power model has separately independently radiator simultaneously, control unit 9 is arranged on the top of power model 4, blower fan module 2 is arranged on top, power cabinet rear end, described control unit 9 is positioned at the front lower place of blower fan module 2, in the rear end of described control unit 9 from the front portion of blower fan module 2 to an oblique wind deflector is set the rear portion of power model 4, in the rear end of power cabinet by the downside of described blower fan module 2, power cabinet rear wall 5, horizontal baffle 6, the oblique wind deflector of the rear end sidewall of capacitance component 10 and power model 4 and control unit 9 rear ends surrounds air channel structure 3.
The air inlet place of described air inlet structure assembly 1 is equipped with protective cover and Air Filter.
Described blower fan module 2 is backward centrifugal blower.
The advantages such as the utility model cabinet dimensions is little, and modularized design is strong, simple and compact for structure, and radiating efficiency is high, and heat radiation cost is low, specifically have the following advantages:
1) cooling mechanism in the cabinet of this inverter power cabinet only adopts a blower fan module and some dividing plates, just can reach good radiating effect, has reduced the cost of radiator structure in whole power cabinet.
2) pass through the heat dissipation wind channel in whole cabinet by the heat dissipation wind channel of each power model and be combined, whole air channel is ventilated smooth, thereby the risk of whole system is reduced.
3) in this power cabinet, can arbitrarily increase or reduce as required the quantity of IGBT power model, and increase or reduce IGBT power model and can not affect the variation of radiator structure in whole power cabinet.
4) in this power cabinet, between each IGBT power model, adopt dividing plate mutually to isolate, avoided the heat between each power model to interfere, improved the reliability of device.
5) complete machine adopts the front lower air channel structure that goes out on rear of entering, effectively utilize fluid inertia force to carry out devices such as circuit breakers abundant cooling, that at cabinet, pushes up is rear under the suction function of centrifugal blower again, to each IGBT power model, also carried out cooling, and without heat, interfere between modules, good heat dissipation effect, effectively raises the radiating efficiency of complete machine.
Accompanying drawing explanation
Accompanying drawing is the utility model photovoltaic DC-to-AC converter power cabinet end view.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in drawings, a kind of photovoltaic DC-to-AC converter power cabinet of the utility model, comprise a plurality of air inlet structure assemblies 1 that are arranged on power cabinet front panel middle and lower part, be arranged on the horizontal baffle 6 of middle and lower part in power cabinet, described horizontal baffle 6 is divided into upper and lower two parts by power cabinet inside, be arranged on the vertical beam slab 7 in part centre position under power cabinet, the top of described vertical beam slab 7 and horizontal baffle 6 join, bottom and power cabinet base plate join, both sides before and after part under power cabinet is divided into, circuit breaker 8 is arranged on part front side under power cabinet, and be fixed on vertical beam slab 7, capacitance component 10 is arranged on the top of horizontal baffle 6, and place near power cabinet front end, power model 4 is arranged on the top of capacitance component 10, described power model 4 is composed in parallel by a plurality of little power models, each little power model is stack placement successively in power cabinet, and adopt dividing plate to separate between each little power model, each little power model has separately independently radiator simultaneously, control unit 9 is arranged on the top of power model 4, blower fan module 2 is arranged on top, power cabinet rear end, described control unit 9 is positioned at the front lower place of blower fan module 2, in the rear end of described control unit 9 from the front portion of blower fan module 2 to an oblique wind deflector is set the rear portion of power model 4, in the rear end of power cabinet by the downside of described blower fan module 2, power cabinet rear wall 5, horizontal baffle 6, the oblique wind deflector of the rear end sidewall of capacitance component 10 and power model 4 and control unit 9 rear ends surrounds air channel structure 3.
As preferred implementation of the present utility model, the air inlet place of described air inlet structure assembly 1 is equipped with protective cover and Air Filter.
As preferred implementation of the present utility model, described blower fan module 2 is backward centrifugal blower.
The wind direction of the utility model complete machine is: cold wind is from a plurality of air inlet ingoing power cabinets of the front door of power cabinet, under the effect of fluid inertia force, the cold air that downside air inlet enters is to circuit breaker 8, the devices such as copper bar carry out cooling, under the negative pressure effect producing to centrifugal blower behind natural buoyancy lift and cabinet top again, this part air rises and mixes mutually with the cold air of middle side air inlet, then enter respectively each IGBT module heat radiator fin channels, take away after the heat of each IGBT module, enter the independent ventiduct district of rack rear side, finally by the backward centrifugal blower of enclosure top, hot-air is retracted to power cabinet outside, complete machine air channel is smooth and easy, the pressure loss is little.
Claims (3)
1. a photovoltaic DC-to-AC converter power cabinet, it is characterized in that: comprise a plurality of air inlet structure assemblies (1) that are arranged on power cabinet front panel middle and lower part, be arranged on the horizontal baffle (6) of middle and lower part in power cabinet, described horizontal baffle (6) is divided into upper and lower two parts by power cabinet inside, be arranged on the vertical beam slab (7) in part centre position under power cabinet, the top of described vertical beam slab (7) and horizontal baffle (6) join, bottom and power cabinet base plate join, both sides before and after part under power cabinet is divided into, circuit breaker (8) is arranged on part front side under power cabinet, and be fixed on vertical beam slab (7), capacitance component (10) is arranged on the top of horizontal baffle (6), and place near power cabinet front end, power model (4) is arranged on the top of capacitance component (10), described power model (4) is composed in parallel by a plurality of little power models, each little power model is stack placement successively in power cabinet, and adopt dividing plate to separate between each little power model, each little power model has separately independently radiator simultaneously, control unit (9) is arranged on the top of power model (4), blower fan module (2) is arranged on top, power cabinet rear end, described control unit (9) is positioned at the front lower place of blower fan module (2), in the rear end of described control unit (9) from the front portion of blower fan module (2) to an oblique wind deflector is set the rear portion of power model (4), in the rear end of power cabinet by the downside of described blower fan module (2), power cabinet rear wall (5), horizontal baffle (6), the oblique wind deflector of the rear end sidewall of capacitance component (10) and power model (4) and control unit (9) rear end surrounds air channel structure (3).
2. a kind of photovoltaic DC-to-AC converter power cabinet according to claim 1, is characterized in that: the air inlet place of described air inlet structure assembly (1) is equipped with protective cover and Air Filter.
3. a kind of photovoltaic DC-to-AC converter power cabinet according to claim 1, is characterized in that: described blower fan module (2) is backward centrifugal blower.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420251164.7U CN203851044U (en) | 2014-05-15 | 2014-05-15 | Photovoltaic inverter power cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420251164.7U CN203851044U (en) | 2014-05-15 | 2014-05-15 | Photovoltaic inverter power cabinet |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203851044U true CN203851044U (en) | 2014-09-24 |
Family
ID=51564012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420251164.7U Active CN203851044U (en) | 2014-05-15 | 2014-05-15 | Photovoltaic inverter power cabinet |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203851044U (en) |
Cited By (4)
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 |
CN105337477A (en) * | 2015-10-28 | 2016-02-17 | 北京国电四维清洁能源技术有限公司 | High-voltage inverter |
CN112311206A (en) * | 2020-11-12 | 2021-02-02 | 苏州汇川技术有限公司 | Heat exchange system and frequency converter |
CN112839466A (en) * | 2021-01-26 | 2021-05-25 | 武汉恒安数联电子科技有限公司 | Gas fire-extinguishing controller |
-
2014
- 2014-05-15 CN CN201420251164.7U patent/CN203851044U/en active Active
Cited By (6)
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 |
CN105337477A (en) * | 2015-10-28 | 2016-02-17 | 北京国电四维清洁能源技术有限公司 | High-voltage inverter |
CN112311206A (en) * | 2020-11-12 | 2021-02-02 | 苏州汇川技术有限公司 | Heat exchange system and frequency converter |
CN112311206B (en) * | 2020-11-12 | 2022-04-26 | 苏州汇川技术有限公司 | Heat exchange system and frequency converter |
CN112839466A (en) * | 2021-01-26 | 2021-05-25 | 武汉恒安数联电子科技有限公司 | Gas fire-extinguishing controller |
CN112839466B (en) * | 2021-01-26 | 2022-04-29 | 武汉恒安数联电子科技有限公司 | Gas fire-extinguishing controller |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203851044U (en) | Photovoltaic inverter power cabinet | |
CN201813311U (en) | Megawatt wind energy converter device with air-cooled radiating structure | |
EP2538542A1 (en) | Frequency converter in which main devices are modularly mounted | |
CN103269168A (en) | Box body for installation of photovoltaic grid-connected inverter | |
CN202374160U (en) | Complete machine structure of inverter | |
CN202978741U (en) | Photovoltaic inverter power cabinet | |
CN204425196U (en) | A kind of power cabinet heat abstractor of photovoltaic DC-to-AC converter | |
CN203416177U (en) | Photovoltaic inverter | |
CN204190632U (en) | A kind of radiator structure of high-power photovoltaic inverter | |
CN102025261A (en) | Air-cooled converter power module system | |
CN201869082U (en) | Power module system for air cooling current transformer | |
CN204651972U (en) | A kind of ventilation and heat structure of outdoor direct charger | |
CN204947602U (en) | A kind of explosion-proof SVG of water-cooled based on dual H-bridge water-cooled power unit cascade | |
CN204517671U (en) | A kind of photovoltaic DC-to-AC converter ventilation and heat structure | |
CN203942438U (en) | A kind of power cell structure | |
CN203040087U (en) | Heat dissipation apparatus for inverter and solar energy inverter | |
CN203301924U (en) | Layout structure of high-power electric-power electronic equipment | |
CN203104257U (en) | Power module of wind power generation converter | |
CN203504446U (en) | Novel heat radiation structure of photovoltaic inverter | |
CN213125311U (en) | Armored movable switch cabinet | |
CN102723878B (en) | High-power solar three-phase grid-connected inverter | |
CN203851045U (en) | Heat radiation structure of photovoltaic grid-connected inverter | |
CN204559372U (en) | A kind of frequency converter | |
CN203504426U (en) | Heat radiation structure of photovoltaic inverter | |
CN109494992A (en) | A kind of frequency converter |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |