CN202931180U - Inverter cabinet applicable to photovoltaic inverter - Google Patents

Inverter cabinet applicable to photovoltaic inverter Download PDF

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Publication number
CN202931180U
CN202931180U CN2012206550302U CN201220655030U CN202931180U CN 202931180 U CN202931180 U CN 202931180U CN 2012206550302 U CN2012206550302 U CN 2012206550302U CN 201220655030 U CN201220655030 U CN 201220655030U CN 202931180 U CN202931180 U CN 202931180U
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China
Prior art keywords
inverter cabinet
power
air
reactor
inverter
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CN2012206550302U
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Chinese (zh)
Inventor
朱建国
朱江荣
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SHENZHEN WINLINE TECHNOLOGY CO., LTD.
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SHENZHEN WINLINE TECHNOLOGY Co Ltd
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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

Disclosed is an inverter cabinet applicable to a photovoltaic inverter, comprising a reactor module which is arranged at the lower portion of the inverter cabinet and located in a first air channel. The reactor module comprises a reactor, a first blower fan arranged above the reactor, and the first air channel which separates the reactor from other components in the inverter cabinet and connects a first air inlet to a first air outlet inside the inverter cabinet, wherein the wind is inhaled by the first blower fan from the first air inlet and passes through the first air channel only and then comes out from the first air outlet.

Description

A kind of inverter cabinet for photovoltaic DC-to-AC converter
Technical field
The utility model relates to field of power electronics, relates in particular to a kind of inverter cabinet for photovoltaic DC-to-AC converter, for example a kind of inverter cabinet for high-power photovoltaic inverter, wind electric converter, variable-frequency governor, UPS, EPS.
Background technology
In field of power electronics, particularly in high-power (more than 200kW) photovoltaic DC-to-AC converter, wind electric converter, UPS, EPS product, main power section is all by electric capacity, power model, radiator, blower fan, reactor, the control part Primary Component that grades consists of, and quantity is many, volume is large, there are numerous combinations when project organization, what usually adopt in the current power electron trade is the reactor underlying, and power model, radiator, control section, capacitor combination are placed on the design of the upper part of inverter cabinet together.
Fig. 1, Fig. 2, Fig. 3 show respectively front schematic view, side schematic view and the schematic top plan view of inverter cabinet of the all-in-one 500KW inverter of prior art.As Fig. 1, Fig. 2 and shown in Figure 3, its design feature is: reactor 1 is arranged on the below of complete machine; Power model 2 is arranged on the vertical plane of radiator 3, and is divided into three submodules and laterally puts according to A, B, C three-phase; Capacitance component 5 is arranged on the IGBT(insulated gate bipolar transistor, is the part of power model) 6 vertical direction; Capacitance component 5 carries out exhausting heat radiation by a plurality of aerofoil fans 4 that are arranged on top to it, and IGBT and reactor are dispelled the heat by fan 108; And control pcb board 7 is arranged on the dead ahead of the power model 2 between capacitance component 5 and reactor 1.
The deficiency of above-mentioned all-in-one (as Figure 1-3) is: the left and right is too wide, and installing space is larger, and fuselage is very heavy is inconvenient to install; Reactor is installed the bottom of fuselage, reduced the intake of the heat dissipation wind channel of electric capacity and power model, the heat that produces during reactor work simultaneously increases electric capacity and power model operating ambient temperature so all by electric capacity and power module radiator, is unfavorable for its heat radiation; Because reactor is an interference source for complete machine, and its air channel and the not isolation of control pcb board, make and control pcb board and not shielding well of the external world, reactor can produce certain interference to the machine control element and extraneous electronic equipment, make complete machine and Systems balanth reduction, the reactor operating noise can not shield in fuselage interior simultaneously, and the meeting overseas publicity has strengthened the noise pollution to operational environment; With regard to whole system, the larger cooling fan used of power will be more, also strengthened failure rate from the angle of hardware; And reactor and control pcb board air channel communicate, and flying dust is easy to be deposited on control device, has strengthened failure rate.
Fig. 4, Fig. 5 show the first cabinet of 500KW inverter inversion of the power cell dress cabinet parallel operation of prior art, wherein, the left figure of Fig. 4 and middle graph are side schematic view and the back schematic diagrames of inverter cabinet reactor part more than 1, and Fig. 5 is the back schematic diagram of whole inverter cabinet.As shown in the figure, its design feature is: reactor 1 is placed on the bottom of rack; Power model 2, electric capacity 3, blower fan 9, control element 7 are combined into one, and form power cell and are arranged on reactor 1 top; And centrifugal blower of power cell bottom installation is to each element blowing heat radiation in power cell.
The deficiency of above-mentioned power cell dress cabinet parallel operation (as shown in Figure 4) is: reactor is in the bottom of power inverting cabinet, the heat that produces during its work is all sucked by the blower fan of power cell the power model that passes through inside, unit, and this is unfavorable for heat radiation to electric capacity, control element element; The power cell blower fan normally before and after two-way air intake, so and the back of rack does not have the front and back intake of air inlet blower fan unequal usually, have a strong impact on the performance of blower fan; The power model of power cell inside is that A, B, C three-phase arrange successively apart from very large, centrifugal blower is the centre position below, to its blowing heat radiation and the air outlet width of blower fan much smaller than the width of power model A, B, C three-phase, the air quantity that can cause like this A, B, C three-phase to pass through has a long way to go, form the heat radiation of ABC three-phase unbalanced, have a strong impact on overall performance; Blower fan, power model, radiator, electric capacity, control element are combined into a power cell, and its unit is very heavy, and cell power is more large heavier, are very difficult to safeguard; And because power cell internal structure is very compact, be easy to damage other device when inner one of them device failure, fault is magnified.
The utility model content
The utility model is intended to solve above-mentioned at least one problem, and a kind of inverter cabinet that is used for photovoltaic DC-to-AC converter that the relatively independent setting of reactor, independence can be dispelled the heat is provided.
An execution mode according to the application discloses a kind of inverter cabinet for photovoltaic DC-to-AC converter, comprising: reactor module, be arranged on the bottom of described inverter cabinet, and be arranged in the first air channel, reactor module comprises reactor and the first blower fan, and the first blower fan is arranged on above reactor; And described the first air channel, described reactor is isolated with other elements in described inverter cabinet and be communicated with the first air inlet and first air outlet of described inverter cabinet; Wherein, wind is sucked from described the first air inlet by described the first blower fan, and described the first air channel and discharging from described the first air outlet of only flowing through.
As a kind of selection, described inverter cabinet also comprises: power model is arranged on the top of described reactor module; Capacitance module is arranged on the top of described power model, and comprises the capacitance module mounting panel, is provided with a plurality of louvres on described capacitance module mounting panel; The second blower fan is arranged on described inverter cabinet top, is the heat radiation of described capacitance module and described power model.
As a kind of selection, described power model comprises the IGBT(insulated gate bipolar transistor), control device and radiator, and be slidably mounted in described inverter cabinet.
As a kind of selection, the IGBT(insulated gate bipolar transistor of described power model), control device and radiator are divided into three sub-power models according to electric three-phase phase-sequence, described three power submodules are power submodule A, power submodule B and power submodule C, and described three power submodules are arranged on the same level position in described inverter cabinet.
As a kind of selection, described capacitance module, described power submodule, described radiator, described the second blower fan, described reactor and the relative position of described control device in described inverter cabinet are setting from inside to outside.
As a kind of selection, described inverter cabinet also comprises: the second air channel, described power model is arranged in the second air channel, and described the second air channel is isolated with other elements in described power model and described inverter cabinet, and is communicated with the second air inlet and second air outlet of described inverter cabinet; Wherein, wind is sucked from described the second air inlet by described the second blower fan, and described the second air channel and discharging from described the second air outlet of only flowing through.
As a kind of selection, described inverter cabinet also comprises: the 3rd air channel, described capacitance module is arranged in the 3rd air channel, and described the 3rd air channel is isolated with other elements in described capacitance module and described inverter cabinet, and is communicated with the 3rd air inlet and the 3rd air outlet of described inverter cabinet; Wherein, wind is sucked from described the 3rd air inlet by the second blower fan, and described the 3rd air channel and discharging from described the 3rd air outlet of only flowing through.
As a kind of selection, described the first air inlet is positioned at bottom described inverter cabinet, and described the first air outlet is positioned at the middle part of the backboard of described inverter cabinet.
As a kind of selection, described the second air inlet is positioned at bottom described inverter cabinet, and described the second air outlet is positioned at the top of the backboard of described inverter cabinet.
As a kind of selection, described the 3rd air inlet is positioned on described inverter cabinet front panel, and described the 3rd air outlet is the louvre of described electric capacity mounting panel.
As a kind of selection, described the 3rd air inlet is provided with Air Filter.
By above-mentioned execution mode, reactor module is arranged on a relative airtight metal space that is made of the first air channel, and other devices are isolated, has reduced reactor module to other devices in rack with to the interference of other electronic equipments of system.The noise of reactor generation simultaneously also shields substantially in inside, can not cause noise pollution to the external world.Reactor by the independent cooling fan of oneself and fully independently the air channel it is dispelled the heat, can not affect the heat radiation of other devices.
Description of drawings
Fig. 1, Fig. 2, Fig. 3 are respectively front schematic view, side schematic view and the schematic top plan view of inverter cabinet of the all-in-one 500KW inverter of prior art;
Fig. 4, Fig. 5 are the schematic diagrames that the power cell of prior art fills the 500KW inverter inverter cabinet of cabinet parallel operation;
Fig. 6 is the side schematic view according to the inverter cabinet that is used for photovoltaic DC-to-AC converter of an execution mode of the utility model;
Fig. 7 is the back schematic diagram according to the inverter cabinet that is used for photovoltaic DC-to-AC converter of an execution mode of the utility model.
Reference numerals list:
The 1-reactor; The 2-power model; The 3-radiator; 4-capacitance group cooling fan; The 5-capacitance component;
6-IGBT; 7-controls pcb board; The cooling fan of 8-IGBT and reactor; The 9-blower fan;
10-the first air channel; 101-the first air inlet; 102-the first air outlet; The 103-reactor module;
104-the first blower fan; 20-the second air channel; 201-the second air inlet; 202-the second air outlet;
The 203-power model; 204-the second blower fan; 30-the 3rd air channel; 301-the 3rd air inlet;
The 303-capacitance module; 3031-capacitance module mounting panel; The 3032-louvre.
Embodiment
Describe execution mode of the present utility model in detail below in conjunction with accompanying drawing.
Fig. 6 is the side schematic view according to the inverter cabinet that is used for photovoltaic DC-to-AC converter of an execution mode of the utility model.Fig. 7 is the back schematic diagram according to the inverter cabinet that is used for photovoltaic DC-to-AC converter of an execution mode of the application.As shown in Fig. 6 and 7, the inverter cabinet of this execution mode comprises reactor module 103 and the first air channel 10.Reactor module 103 is arranged on the bottom of inverter cabinet, and is arranged in the first air channel 10.Reactor module 103 can comprise reactor and be arranged on the first blower fan 104 of reactor top.The first air channel 10 is isolated with other elements in reactor and inverter cabinet, and is communicated with the first air inlet 101 and first air outlet 102 of inverter cabinet.Wind is sucked from the first air inlet 101 by the first blower fan 104, and described the first air channel and discharging from described the first air outlet 102 of only flowing through.
For example, reactor module 103 is arranged on close backboard place, inverter cabinet bottom.Reactor module 103 carries out independent heat radiation by the first blower fan (for example Small Centrifugal Fan) 104, and wind is sucked from the first air inlet 101 by the first blower fan 104, and only flows in the first air channel 10, discharges from the first air outlet 102 through reactor.As a kind of selection, the first air inlet 101 is positioned at bottom inverter cabinet, and the first air outlet 102 is positioned at the middle part of the backboard of inverter cabinet.
By above-mentioned execution mode, reactor module is arranged on a relative airtight metal space that is made of the first air channel, and other devices are isolated, has reduced reactor module to other devices in rack with to the interference of other electronic equipments of system.The noise of reactor generation simultaneously also shields substantially in inside, can not cause noise pollution to the external world.Reactor by the independent cooling fan of oneself and fully independently the air channel it is dispelled the heat, can not affect the heat radiation of other devices.
As a kind of selection, the inverter cabinet of above-mentioned execution mode also can comprise power model 203, capacitance module 303 and the second blower fan 204.Power model 203 is arranged on the top of reactor module 103; Capacitance module 303 is arranged on the top of power model 203, and comprises capacitance module mounting panel 3031, and is provided with a plurality of louvres 3032 on capacitance module mounting panel 3031; The second blower fan 204 is arranged on the inverter cabinet top, is capacitance module 303 and power model 203 heat radiations.
As a kind of selection, power can comprise IGBT, control device and radiator, and is slidably mounted in described inverter cabinet.For example, the power model that IGBT and control device, radiator consist of is divided into three power model A, B, C according to electric three-phase phase-sequence, the middle part of adopting the drawer type mounting means to insert rack begins to be followed successively by power model A, power model B and power model C from the left side of Fig. 7.
As a kind of selection, the inverter cabinet of above-mentioned execution mode also can comprise the second air channel 20.Power model 203 is arranged in the second air channel 20.The second air channel 20 is isolated with other elements in inverter cabinet with power model 203, and is communicated with the second air inlet 201 and second air outlet 202 of inverter cabinet.Wind is sucked from the second air inlet 201 by the second blower fan 204, and the second air channel 20 and discharging from the second air outlet 202 of only flowing through.
For example, power model 203 is arranged on the top of reactor module 103, and is arranged in the second air channel 20.Power model 203 and other element separation in inverter cabinet are opened in the second air channel 20.Power model 203 is by the second blower fan 204 heat radiations.The second blower fan 204 is for example the large centrifugal fan that is arranged on the position, back upper place of capacitance module 303, and is arranged on the vertical direction of power model 203.Wind is sucked from the second air inlet 201 by the second blower fan 204, only flows in the second air channel 20, and discharges from the second air outlet 202.As a kind of selection, the second air inlet 201 is positioned at bottom inverter cabinet, and the second air outlet 202 is positioned at the top of the backboard of inverter cabinet.
As a kind of selection, the inverter cabinet of above-mentioned execution mode also can comprise the 3rd air channel 30.Capacitance module 303 is arranged in the 3rd air channel 30, and the 3rd air channel 30 is isolated with other elements in inverter cabinet with capacitance module 303, and is communicated with the 3rd air inlet 301 and the 3rd air outlet of inverter cabinet.Wind is sucked from the 3rd air inlet 301 by the second blower fan 204, and the 3rd air channel 30 and discharging from the 3rd air outlet of only flowing through.
For example, capacitance module 303 is arranged on the top of power model 203, and is arranged in the 3rd air channel 30.For example, capacitance module 303 is arranged on the top of positive and negative (+) (-) utmost point of power model 203, and positive and negative (+) (-) utmost point of capacitance module 303 positive and negative (+) (-) utmost point and power model 203 is the plane and straight line overlap joint.Capacitance module 303 and other element separation in inverter cabinet are opened in the 3rd air channel 30.Capacitance module 303 is by the second blower fan 204 heat radiations.Wind is sucked from the 3rd air inlet 301 by the second blower fan 204, only flows in the 3rd air channel 30, and discharges from the 3rd air outlet.As a kind of selection, the 3rd air inlet 301 is positioned on the inverter cabinet front panel, and the 3rd air outlet is a plurality of louvres 3032 that arrange on capacitance module mounting panel 3031.As a kind of selection, the 3rd air inlet 301 is provided with Air Filter.
As can be seen from above, dispel the heat although power model 203 and capacitance module 303 share a blower fan (i.e. the second blower fan 204), both air channels (i.e. the second air channel 20 and the 3rd air channel 30) is mutual separation, non-interfering airtight air channel.
As a kind of selection, capacitance module 303, three power submodules, radiator, the second blower fan 204, reactor and the relative positions of control device in inverter cabinet are setting from inside to outside.
By above-mentioned execution mode, power model is installed phase sequence be divided into three power submodules, adopt independently of each other the drawer type mounting means, make like this its lighting, and safeguard very convenient.And, when wherein single-phase power model has fault, can not destroy other two power models, fault is minimized.The second assembling is directly over power model, and wind advances bottom rack, through complete independent closed space, vertically enters the radiator of three power models, and heat radiation is more balanced like this, has improved the reliability of complete machine.Being arranged so that of screen pack reduced dust for the wind of control device and capacitance module heat radiation, can reduce like this to have reduced failure rate to controlling the pollution of pcb board.
These are only the application's preferred implementation; not thereby limit the scope of the claims of the application; every equivalent structure or equivalent flow process conversion that utilizes present specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the application's scope of patent protection.

Claims (11)

1. inverter cabinet that is used for photovoltaic DC-to-AC converter is characterized in that comprising:
Reactor module is arranged on the bottom of described inverter cabinet, and is arranged in the first air channel, and comprises:
Reactor; And
The first blower fan is arranged on above reactor; And
Described the first air channel, described reactor is isolated with other elements in described inverter cabinet and be communicated with the first air inlet and first air outlet of described inverter cabinet;
Wherein, wind is sucked from described the first air inlet by described the first blower fan, and described the first air channel and discharging from described the first air outlet of only flowing through.
2. inverter cabinet as claimed in claim 1 characterized by further comprising:
Power model is arranged on the top of described reactor module;
Capacitance module is arranged on the top of described power model, and comprises the capacitance module mounting panel, is provided with a plurality of louvres on described capacitance module mounting panel;
The second blower fan is arranged on described inverter cabinet top, is the heat radiation of described capacitance module and described power model.
3. inverter cabinet as claimed in claim 2, is characterized in that, described power model comprises IGBT, control device and radiator, and adopt the drawer type mounting means, is slidably mounted in described inverter cabinet.
4. inverter cabinet as claimed in claim 3, it is characterized in that, described power model is divided into three sub-power models according to electric three-phase phase-sequence, described three power submodules are power submodule A, power submodule B and power submodule C, and described three power submodules are arranged on the same level position in described inverter cabinet.
5. inverter cabinet as claimed in claim 4, is characterized in that, described capacitance module, described power submodule, described radiator, described the second blower fan, described reactor and the relative position of described control device in described inverter cabinet are setting from inside to outside.
6. inverter cabinet as claimed in claim 2, is characterized in that, also comprises:
The second air channel, described power model are arranged in the second air channel, and described the second air channel is isolated with other elements in described power model and described inverter cabinet, and are communicated with the second air inlet and second air outlet of described inverter cabinet;
Wherein, wind is sucked from described the second air inlet by described the second blower fan, and described the second air channel and discharging from described the second air outlet of only flowing through.
7. inverter cabinet as described in claim 2 or 6, is characterized in that, also comprises:
The 3rd air channel, described capacitance module are arranged in the 3rd air channel, and described the 3rd air channel is isolated with other elements in described capacitance module and described inverter cabinet, and are communicated with the 3rd air inlet and the 3rd air outlet of described inverter cabinet;
Wherein, wind is sucked from described the 3rd air inlet by the second blower fan, and described the 3rd air channel and discharging from described the 3rd air outlet of only flowing through.
8. inverter cabinet as described in any one of claim 1-6, is characterized in that, described the first air inlet is positioned at bottom described inverter cabinet, and described the first air outlet is positioned at the middle part of the backboard of described inverter cabinet.
9. inverter cabinet as described in claim 4 or 5, is characterized in that, described the second air inlet is positioned at bottom described inverter cabinet, and described the second air outlet is positioned at the top of the backboard of described inverter cabinet.
10. inverter cabinet as claimed in claim 7, is characterized in that, described the 3rd air inlet is positioned on described inverter cabinet front panel, and described the 3rd air outlet is the louvre of described electric capacity mounting panel.
11. inverter cabinet as claimed in claim 10 is characterized in that, described the 3rd air inlet is provided with Air Filter.
CN2012206550302U 2012-12-03 2012-12-03 Inverter cabinet applicable to photovoltaic inverter Active CN202931180U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012206550302U CN202931180U (en) 2012-12-03 2012-12-03 Inverter cabinet applicable to photovoltaic inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012206550302U CN202931180U (en) 2012-12-03 2012-12-03 Inverter cabinet applicable to photovoltaic inverter

Publications (1)

Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102969875A (en) * 2012-12-03 2013-03-13 深圳市永联科技有限公司 Contravariant cabinet used for photovoltaic inverter
CN103561552A (en) * 2013-10-25 2014-02-05 华为技术有限公司 Heat dissipation structure and electronic device
CN105979755A (en) * 2016-06-16 2016-09-28 江苏爱克赛电气制造有限公司 Electric control cabinet with radiating performance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102969875A (en) * 2012-12-03 2013-03-13 深圳市永联科技有限公司 Contravariant cabinet used for photovoltaic inverter
CN103561552A (en) * 2013-10-25 2014-02-05 华为技术有限公司 Heat dissipation structure and electronic device
CN103561552B (en) * 2013-10-25 2016-03-30 华为技术有限公司 Radiator structure and electronic installation
CN105979755A (en) * 2016-06-16 2016-09-28 江苏爱克赛电气制造有限公司 Electric control cabinet with radiating performance

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GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: Shenzhen Nanshan District City, Guangdong province 518055 White Pine Road Baiwang letter two Industrial Park District building seventh

Patentee after: SHENZHEN WINLINE TECHNOLOGY CO., LTD.

Address before: The two district of Nanshan District high tech Industrial Park in Shenzhen Xili Piovan letter of 518055 cities in Guangdong Province 7

Patentee before: Shenzhen Winline Technology Co., Ltd.

C56 Change in the name or address of the patentee