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CN202772807U - Photovoltaic inverter and photovoltaic inverter cabinet - Google Patents

Photovoltaic inverter and photovoltaic inverter cabinet Download PDF

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Publication number
CN202772807U
CN202772807U CN2012204423317U CN201220442331U CN202772807U CN 202772807 U CN202772807 U CN 202772807U CN 2012204423317 U CN2012204423317 U CN 2012204423317U CN 201220442331 U CN201220442331 U CN 201220442331U CN 202772807 U CN202772807 U CN 202772807U
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China
Prior art keywords
space
cabinet
photovoltaic inverter
door panel
front door
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Expired - Fee Related
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CN2012204423317U
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Chinese (zh)
Inventor
左家根
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Suzhou Inovance Technology Co Ltd
Shenzhen Inovance Technology Co Ltd
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Suzhou Inovance Technology Co Ltd
Shenzhen Inovance Technology Co Ltd
Suzhou Monarch Control Technology Co Ltd
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Priority to CN2012204423317U priority Critical patent/CN202772807U/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components
    • 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

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inverter Devices (AREA)

Abstract

本实用新型提供了一种光伏逆变器,包括柜体、位于所述柜体顶部的离心风机及装设于柜体内的变压器、电抗器、主功率模块和器件平台,其特征在于:所述柜体内通过钣金件分隔成第一空间和第二空间,且所述第一空间位于柜体后门板一侧、所述第二空间位于柜体前门板一侧;所述第一空间和第二空间分别具有独立的进风口和出风口,且所述第一空间和第二空间的出风口分别位于柜体的顶部;所述离心风机包括位于第一空间出风口的第一风机和位于第二空间出风口的第二风机。本实用新型还提供了一种上述光伏逆变器中使用的机柜。本实用新型通过对磁性元件与其他器件的双风道风区,实现了光伏逆变器的分区散热与防尘。

Figure 201220442331

The utility model provides a photovoltaic inverter, which includes a cabinet, a centrifugal fan located on the top of the cabinet, a transformer, a reactor, a main power module and a device platform installed in the cabinet, and is characterized in that: The cabinet is divided into a first space and a second space by sheet metal parts, and the first space is located on the side of the rear door panel of the cabinet body, and the second space is located on the side of the front door panel of the cabinet body; the first space and the second space The two spaces have independent air inlets and air outlets respectively, and the air outlets of the first space and the second space are respectively located on the top of the cabinet; the centrifugal fan includes a first fan located at the air outlet of the first space and a fan located at the second space The second fan of the air outlet of the second space. The utility model also provides a cabinet used in the photovoltaic inverter. The utility model realizes partition heat dissipation and dust prevention of the photovoltaic inverter through the dual air duct wind zones of the magnetic element and other devices.

Figure 201220442331

Description

Photovoltaic DC-to-AC converter and photovoltaic DC-to-AC converter rack
Technical field
The utility model relates to the photovoltaic DC-to-AC converter field, more particularly, relates to a kind of photovoltaic DC-to-AC converter and photovoltaic DC-to-AC converter rack.
Background technology
Along with the day by day exhaustion of traditional energy and the awakening of environmental consciousness, the development and use of solar energy come into one's own day by day, and wherein photovoltaic generation is the major way that utilizes solar energy.In the large Capacity Optical photovoltaic generating system, usually the photovoltaic module of some need to be formed photovoltaic array by connection in series-parallel.Inverter is as the core devices of photovoltaic generation, and its performance and life-span thereof seem extremely important.
General photovoltaic plant requires inverter to reach more than 20 years useful life, and at present both at home and abroad the photovoltaic DC-to-AC converter rack be placed in the independent space of rack for magnetic element, module, switching device philosophy, the device of high temperature resistant anti-dust is not carried out zoning design.Such cabinet structure layout type not only affects the device heat radiation, and the dustproof requirement of difficult assurance device, and also very very convenient to the device maintenance, has a strong impact on service life of equipment.
The utility model content
The technical problems to be solved in the utility model is, because of the problem that cabinet structure causes service life of equipment to reduce, provides a kind of photovoltaic DC-to-AC converter rack for above-mentioned photovoltaic DC-to-AC converter.
The technical scheme that the utility model solves the problems of the technologies described above is, a kind of photovoltaic DC-to-AC converter is provided, comprise cabinet, be positioned at the centrifugal blower at described cabinet top and be installed in transformer, reactor, main power model and the device Platform of cabinet, is separated into the first space and second space by sheet metal component in the described cabinet, and described the first space is positioned at front door one side that Rear Door one side of cabinet, described second space are positioned at cabinet; Described the first space and second space have respectively independently air inlet and air outlet, and the air outlet of described the first space and second space lays respectively at the top of cabinet; Described centrifugal blower comprises the first blower fan that is positioned at the first space air outlet and the second blower fan that is positioned at the second space air outlet.
In photovoltaic DC-to-AC converter described in the utility model, described transformer and reactor are located in the first space and are positioned on the base plate of cabinet; The part that described base plate is positioned at the first space is provided with ventilation hole; The air inlet in described the first space be positioned at floor below and air inlet around be provided with vertical hollow out baffle plate.
In photovoltaic DC-to-AC converter described in the utility model, described main power model and device Platform are located in the second space; The air inlet of described second space comprises the vacancy section that is positioned on the described front door, and inboard and/or the outside of described vacancy section are equiped with anti-dust filter mesh.
In photovoltaic DC-to-AC converter described in the utility model, described main control module is located at the top of described second space and the below that described device Platform is positioned at main control module, and described vacancy section is positioned at middle part and the bottom of front door.
In photovoltaic DC-to-AC converter described in the utility model, the inboard of described front door is provided with the movable wicket that is pivotally attached to cabinet, and described movable wicket is positioned at the outside of main control module and device Platform and should be provided with ventilation hole by the activity wicket.
In photovoltaic DC-to-AC converter described in the utility model, the ventilation hole on the described movable wicket is positioned at the bottom of this activity wicket and at least part of vacancy section at least part of ventilation hole and the front door is positioned at the same level height.
In photovoltaic DC-to-AC converter described in the utility model, described front door and Rear Door are pivotally attached to respectively described cabinet.
The utility model also provides a kind of photovoltaic DC-to-AC converter rack, comprise cabinet and be positioned at the centrifugal blower at described cabinet top, is separated into the first space and second space by sheet metal component in the described cabinet, and described the first space is positioned at front door one side that Rear Door one side of cabinet, described second space are positioned at cabinet; Described the first space and second space have respectively independently air inlet and air outlet, and the air outlet of described the first space and second space lays respectively at the top of cabinet; Described centrifugal blower comprises the first blower fan that is positioned at the first space air outlet and the second blower fan that is positioned at the second space air outlet.
In photovoltaic DC-to-AC converter rack described in the utility model, the part that described base plate is positioned at the first space is provided with ventilation hole, the air inlet in described the first space be positioned at floor below and air inlet around be provided with vertical hollow out baffle plate.
In photovoltaic DC-to-AC converter rack described in the utility model, the air inlet of described second space comprises the vacancy section that is positioned on the described front door, and inboard and/or the outside of described vacancy section are equiped with anti-dust filter mesh.
Photovoltaic DC-to-AC converter of the present utility model and photovoltaic DC-to-AC converter rack have following beneficial effect: by the two air channels subregion to magnetic element in the cabinet and other devices, realized that the subregion heat radiation of photovoltaic DC-to-AC converter is with dustproof.The utility model has not only solved the problem that interferes with each other between heat dissipation wind channel and the travel fatigue, and will need the device often safeguarded by subregion, is placed on that temperature is low, environment good, in the space of easy care, but the useful life of Effective Raise equipment.
Description of drawings
Fig. 1 is the integral outer schematic diagram of the utility model photovoltaic DC-to-AC converter embodiment.
Fig. 2 is the end view of photovoltaic DC-to-AC converter among Fig. 1.
Fig. 3 is the schematic diagram of photovoltaic DC-to-AC converter under the front door opening among Fig. 1.
Fig. 4 is the schematic diagram of photovoltaic DC-to-AC converter under front door and movable wicket initial state among Fig. 1.
Fig. 5 is the schematic diagram of photovoltaic DC-to-AC converter under the Rear Door opening among Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Shown in Fig. 1-5, it is the schematic diagram of the embodiment of the utility model photovoltaic DC-to-AC converter.In the present embodiment, this photovoltaic DC-to-AC converter comprises cabinet 11, centrifugal blower 12, transformer 15, reactor 16, main power model 13 and device Platform 14 etc.Above-mentioned cabinet 11 is enclosed and is formed by front door 114, Rear Door 113, two side door plates, top board and base plates.Centrifugal blower 12 is positioned at cabinet 11 tops (being fixed on cover top surface), and transformer 15, reactor 16, main power model 13 and device Platform 14 etc. then are installed in cabinet 11 inside.
Be separated into the first space 111 and second space 112 by sheet metal component in the above-mentioned cabinet 11, and the first space 111 is positioned at Rear Door 113 1 sides of cabinet, front door 114 1 sides that second space 112 is positioned at cabinet.For ease of the first space 111 and second space 112 interior equipment are safeguarded that above-mentioned front door 114 and Rear Door 113 are pivotally attached to respectively cabinet 11, thereby front door 114 and Rear Door 113 can be opened respectively.In addition, in actual applications, also can will be separated into two respectively separate space of close side door plate by sheet metal component in the cabinet 11.
Above-mentioned the first space 111 and second space 112 have respectively independently air inlet and air outlet, and the air outlet of the first space 111 and second space 112 lays respectively at the top of cabinet 11.Correspondingly, centrifugal blower 12 comprises the first blower fan 121 that is positioned at the first space air outlet and the second blower fan 122 that is positioned at the second space air outlet.
Transformer 15 and reactor 16 are located in the first space 111 and are positioned on the base plate 119 of cabinet 11.The part that above-mentioned base plate 119 is positioned at the first space 111 is provided with ventilation hole, and this base plate 119 is positioned at the part of second space 112 then without ventilation hole.The air inlet in above-mentioned the first space 111 be positioned at base plate 119 belows and this air inlet around be provided with vertical hollow out baffle plate 118.
The heat radiation process in above-mentioned the first space 111 is as follows: outside air enters base plate 119 ventilation holes by hollow out baffle plate 118, thereby the first blower fan 121 exhausting make the cross-ventilation in the first space 111 to transformer 15 and reactor 16 heat radiations.
Main power model 13 and device Platform 14 are located in the second space 112.The air inlet of second space 112 comprises the vacancy section 120 that is positioned on the front door 114, and the inboard of this vacancy section 120 and/or the outside are equiped with anti-dust filter mesh 117.Especially, above-mentioned main control module 13 is located at the top of second space 112 and the below that device Platform 14 is positioned at main control module 13, and correspondingly, the vacancy section 120 on the front door 114 is positioned at middle part and the bottom of front door 114.
In addition, in the inboard of front door 114 the movable wicket 115 that is pivotally attached to cabinet 11 can be set also, this activity wicket 115 can rotate freely, thereby maintains easily and operate.Above-mentioned movable wicket 115 is positioned at the outside of main control module 13 and device Platform 14 and should be provided with ventilation hole 116 by activity wicket 115.Especially, be positioned at the bottom of this activity wicket 115 and at least part of ventilation hole 116 at the ventilation hole 116 on the movable wicket 115 and be positioned at same level height (being that at least part of vacancy section 120 is stacked with ventilation hole 116) with at least part of vacancy section 120 on the front door 114.
The heat radiation process of above-mentioned second space 112 is as follows: outside air passes the vacancy section 120 on the front door 114 and enters in the ventilation hole 116 of movable wicket 115 after anti-dust filter mesh 117 filters, air can carry out heat loss through convection to components and parts on the device Platform 14 after arriving device Platform 14, last air is outside to cabinet by the second blower fan 122 exhausting, thereby realizes the heat exchanging process of second space 112.
Compare with the topology layout of existing photovoltaic DC-to-AC converter, above-mentioned photovoltaic DC-to-AC converter had both realized that the heat radiation of subregion with dustproof, had solved again the requirement of safeguarding.Namely by to the subregion of magnetic element and other devices, interfere with each other problem between solution heat dissipation wind channel and the travel fatigue, and will often need to safeguard device by subregion, be placed on that temperature is low, environment good, in the space of easy care.
The utility model also provides the rack that uses in a kind of photovoltaic DC-to-AC converter, this rack comprises cabinet and is positioned at the centrifugal blower at cabinet top, wherein be separated into the first space and second space by sheet metal component in the cabinet, and the first space is positioned at Rear Door one side of cabinet, front door one side that second space is positioned at cabinet; The first space and second space have respectively independently air inlet and air outlet, and the air outlet of the first space and second space lays respectively at the top of cabinet; Centrifugal blower comprises the first blower fan that is positioned at the first space air outlet and the second blower fan that is positioned at the second space air outlet.
In above-mentioned photovoltaic DC-to-AC converter rack, the part that base plate is positioned at the first space is provided with ventilation hole, and the air inlet in the first space is positioned at floor below and is provided with vertical hollow out baffle plate around air inlet.
In above-mentioned photovoltaic DC-to-AC converter rack, the air inlet of second space comprises the vacancy section that is positioned on the described front door, and the inboard of vacancy section and/or the outside are equiped with anti-dust filter mesh.
The above; it only is the better embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.

Claims (10)

1.一种光伏逆变器,包括柜体、位于所述柜体顶部的离心风机及装设于柜体内的变压器、电抗器、主功率模块和器件平台,其特征在于:所述柜体内通过钣金件分隔成第一空间和第二空间,且所述第一空间位于柜体的后门板一侧、所述第二空间位于柜体的前门板一侧;所述第一空间和第二空间分别具有独立的进风口和出风口,且所述第一空间和第二空间的出风口分别位于柜体的顶部;所述离心风机包括位于第一空间出风口的第一风机和位于第二空间出风口的第二风机。 1. A photovoltaic inverter, comprising a cabinet, a centrifugal fan positioned at the top of the cabinet and a transformer installed in the cabinet, a reactor, a main power module and a device platform, characterized in that: the cabinet passes through The sheet metal parts are divided into a first space and a second space, and the first space is located on the side of the rear door panel of the cabinet, and the second space is located on the side of the front door panel of the cabinet; the first space and the second The spaces have independent air inlets and air outlets, and the air outlets of the first space and the second space are respectively located on the top of the cabinet; the centrifugal fan includes a first fan located at the air outlet of the first space and a fan located at the second The second fan at the air outlet of the space. 2.根据权利要求1所述的光伏逆变器,其特征在于:所述变压器和电抗器设于第一空间内并位于柜体的底板上;所述底板位于第一空间的部分设有通风孔;所述第一空间的进风口位于底板下方且进风口的四周设有垂向的镂空挡板。 2. The photovoltaic inverter according to claim 1, characterized in that: the transformer and the reactor are arranged in the first space and on the bottom plate of the cabinet; the part of the bottom plate located in the first space is provided with ventilation hole; the air inlet of the first space is located below the bottom plate and vertical hollow baffles are arranged around the air inlet. 3.根据权利要求1所述的光伏逆变器,其特征在于:所述主功率模块和器件平台设于第二空间内;所述第二空间的进风口包括位于所述前门板上的镂空区,所述镂空区的内侧和/或外侧装设有防尘过滤网。 3. The photovoltaic inverter according to claim 1, characterized in that: the main power module and the device platform are arranged in the second space; the air inlet of the second space includes a hollow on the front door panel area, the inside and/or outside of the hollow area is provided with a dust filter. 4.根据权利要求3所述的光伏逆变器,其特征在于:所述主控模块设于所述第二空间的上部且所述器件平台位于主控模块的下方,所述镂空区位于前门板的中部及下部。 4. The photovoltaic inverter according to claim 3, characterized in that: the main control module is arranged on the upper part of the second space and the device platform is located below the main control module, and the hollowed out area is located in the front The middle and lower part of the door panel. 5.根据权利要求4所述的光伏逆变器,其特征在于:所述前门板的内侧设有枢接到柜体的活动小门,所述活动小门位于主控模块和器件平台的外侧且该活动小门上设有通风孔。 5. The photovoltaic inverter according to claim 4, characterized in that: the inner side of the front door panel is provided with a small movable door pivotally connected to the cabinet body, and the movable small door is located outside the main control module and the device platform And the movable wicket is provided with ventilation holes. 6.根据权利要求5所述的光伏逆变器,其特征在于:所述活动小门上的通风孔位于该活动小门的下部并至少部分通风孔与前门板上的至少部分镂空区位于同一水平高度。 6. The photovoltaic inverter according to claim 5, characterized in that: the ventilation holes on the movable small door are located at the lower part of the movable small door, and at least part of the ventilation holes are at the same location as at least part of the hollowed out area on the front door panel. level height. 7.根据权利要求1-6中任一项所述的光伏逆变器,其特征在于:所述前门板和后门板分别枢接到所述柜体。 7. The photovoltaic inverter according to any one of claims 1-6, characterized in that: the front door panel and the rear door panel are respectively pivotally connected to the cabinet body. 8.一种光伏逆变器机柜,包括柜体及位于所述柜体顶部的离心风机,其特征在于:所述柜体内通过钣金件分隔成第一空间和第二空间,且所述第一空间位于柜体的后门板一侧、所述第二空间位于柜体的前门板一侧;所述第一空间和第二空间分别具有独立的进风口和出风口,且所述第一空间和第二空间的出风口分别位于柜体的顶部;所述离心风机包括位于第一空间出风口的第一风机和位于第二空间出风口的第二风机。  8. A photovoltaic inverter cabinet, including a cabinet body and a centrifugal fan located on the top of the cabinet body, characterized in that: the cabinet body is divided into a first space and a second space by sheet metal parts, and the first space A space is located on the side of the rear door panel of the cabinet, and the second space is located on the side of the front door panel of the cabinet; the first space and the second space have independent air inlets and air outlets respectively, and the first space and the air outlets of the second space are respectively located on the top of the cabinet; the centrifugal fan includes a first fan located at the air outlet of the first space and a second fan located at the air outlet of the second space. the 9.根据权利要求8所述的光伏逆变器机柜,其特征在于:所述底板位于第一空间的部分设有通风孔,所述第一空间的进风口位于底板下方且进风口的四周设有垂向的镂空挡板。 9. The photovoltaic inverter cabinet according to claim 8, characterized in that: the part of the bottom plate located in the first space is provided with ventilation holes, the air inlet of the first space is located under the bottom plate and surrounding the air inlet There are vertical cutout bezels. 10.根据权利要求8所述的光伏逆变器机柜,其特征在于:所述第二空间的进风口包括位于所述前门板上的镂空区,所述镂空区的内侧和/或外侧装设有防尘过滤网。 10. The photovoltaic inverter cabinet according to claim 8, characterized in that: the air inlet of the second space includes a hollow area on the front door panel, and the inside and/or outside of the hollow area are installed There is a dust filter.
CN2012204423317U 2012-08-31 2012-08-31 Photovoltaic inverter and photovoltaic inverter cabinet Expired - Fee Related CN202772807U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103269168A (en) * 2013-05-24 2013-08-28 深圳市晶福源电子技术有限公司 Box body for installation of photovoltaic grid-connected inverter
CN103414317A (en) * 2013-08-23 2013-11-27 青岛四方车辆研究所有限公司 Railway vehicle vehicle-mounted parallel connection auxiliary converter and heat dissipation device thereof
CN104155482A (en) * 2014-08-08 2014-11-19 广西电网公司电力科学研究院 High power load case
CN104582380A (en) * 2014-12-04 2015-04-29 重庆科川电气有限公司 Self-sealing rainproof frequency converter
CN104918437A (en) * 2015-05-25 2015-09-16 铜陵宏正网络科技有限公司 Vertical air duct type network equipment cabinet
EP3927128A1 (en) * 2020-06-15 2021-12-22 Sungrow Power Supply Co., Ltd. Photovoltaic inverter

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103269168A (en) * 2013-05-24 2013-08-28 深圳市晶福源电子技术有限公司 Box body for installation of photovoltaic grid-connected inverter
CN103269168B (en) * 2013-05-24 2016-06-08 深圳晶福源科技股份有限公司 A kind of casing for installing photovoltaic combining inverter
CN103414317A (en) * 2013-08-23 2013-11-27 青岛四方车辆研究所有限公司 Railway vehicle vehicle-mounted parallel connection auxiliary converter and heat dissipation device thereof
CN104155482A (en) * 2014-08-08 2014-11-19 广西电网公司电力科学研究院 High power load case
CN104582380A (en) * 2014-12-04 2015-04-29 重庆科川电气有限公司 Self-sealing rainproof frequency converter
CN104918437A (en) * 2015-05-25 2015-09-16 铜陵宏正网络科技有限公司 Vertical air duct type network equipment cabinet
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

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