CN203057012U - Photovoltaic inverter - Google Patents

Photovoltaic inverter Download PDF

Info

Publication number
CN203057012U
CN203057012U CN 201220709581 CN201220709581U CN203057012U CN 203057012 U CN203057012 U CN 203057012U CN 201220709581 CN201220709581 CN 201220709581 CN 201220709581 U CN201220709581 U CN 201220709581U CN 203057012 U CN203057012 U CN 203057012U
Authority
CN
China
Prior art keywords
hole
module
fan
casing
inverter
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.)
Expired - Fee Related
Application number
CN 201220709581
Other languages
Chinese (zh)
Inventor
杨晓华
蔡海伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU HONGBAO PHOTOVOLTAIC SYSTEM CO Ltd
Original Assignee
JIANGSU HONGBAO PHOTOVOLTAIC SYSTEM CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGSU HONGBAO PHOTOVOLTAIC SYSTEM CO Ltd filed Critical JIANGSU HONGBAO PHOTOVOLTAIC SYSTEM CO Ltd
Priority to CN 201220709581 priority Critical patent/CN203057012U/en
Application granted granted Critical
Publication of CN203057012U publication Critical patent/CN203057012U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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 in the utility model is a photovoltaic inverter that comprises a conversion circuit, a clamp groove, a heat insulation plate, an inversion circuit, a buckle, a first through hole, a first fan, a second through hole, a second fan, a box body and a voltage stabilization device. The first through hole and the second through hole are arranged at the top of the box body; the conversion circuit and the inversion circuit are arranged in parallel inside the box body, wherein the conversion circuit is arranged below the second through hole and the inversion circuit is arranged below the first through hole; the heat insulation plate is arranged on the box body between the conversion circuit and the inversion circuit; and the first fan and the second fan are respectively installed on the box body through the first through hole and the second through hole and are fixed by nuts. Besides, the conversion circuit includes a direct-current control switch module and a first filter module, wherein direct-current control switch module and the first filter module are successively connected; the inversion circuit consists of an inverter module, an electric reactor module, a transformer module, a second filter module and an alternating-current switch module, wherein the modules are successively connected; and the output terminal of the first filter module is connected with the inverter module; and the alternating-current switch module is respectively connected with the first fan and the second fan by the voltage stabilization device.

Description

A kind of photovoltaic DC-to-AC converter
Technical field
The utility model belongs to photovoltaic inversion transformation technique field, is specifically related to a kind of heat that can effectively suppress and conducts photovoltaic DC-to-AC converter.
Background technology
Solar photovoltaic technology moves to maturity day by day at present, and each country of the world is is all researching and developing energetically, promoting the use of.The photovoltaic generating system design service life was generally about 20 years, and this will ask the design service life of inverter to reach higher level.Guarantee the problem in useful life of inverter, at first will solve the inverter heat problem that components and parts own produce in running, secondly solve the problem of the normal operation of inverter under adverse circumstances.
Now the mode that does not address this problem or solve heat radiation in the traditional photovoltaic DC-to-AC converter design just adopts common material to separate each yuan of photovoltaic DC-to-AC converter device parts, again or the fan heat radiation of drying is installed when the design photovoltaic DC-to-AC converter.Adopt common material to carry out the separation of components and parts, because common material is heat insulation, radiating effect is bad and be subjected to cold and hot factor affecting easily to produce distortion, adopt the fan heat radiation of drying to hinder for some reason as fan and do not work, at this moment the inner too high temperature of photovoltaic DC-to-AC converter will directly cause inefficiency, the useful life of photovoltaic DC-to-AC converter shortening and having increased to making photovoltaic DC-to-AC converter normally move required expense.
Based on the problems referred to above, the utility model provides a kind of photovoltaic DC-to-AC converter.
The utility model content
The utility model purpose: the purpose of this utility model is that a kind of photovoltaic DC-to-AC converter will be provided, and can effectively suppress the heat conduction, is used for prolonging solar photovoltaic generation system useful life and guarantees operating efficiency.
Technical scheme: a kind of photovoltaic DC-to-AC converter comprises translation circuit, draw-in groove, thermal insulation board, inverter circuit, buckle, first through hole, first fan, second through hole, second fan, casing and pressure stabilizing device; Described casing top is provided with first through hole and second through hole; Described translation circuit, inverter circuit are located at box house side by side, and translation circuit is positioned at the below of second through hole, and inverter circuit is positioned at first through hole below; Casing between described translation circuit, the inverter circuit is provided with thermal insulation board; Described thermal insulation board is installed in the casing by being located at the draw-in groove on the casing and being clasped; Described first fan, second fan are installed on the casing, and fix with nut by first through hole, second through hole respectively; Described translation circuit comprises DC control switch module and first filter module that connects successively, and inverter circuit comprises inverter module, reactor module, transformer module, second filter module and the alternating-current switch module that connects successively; The output of described first filter module connects inverter module; Described alternating-current switch module is connected with second fan with first fan respectively by pressure stabilizing device.
Described thermal insulation board adopts the surface to scribble pottery or the high temperature resistant heat insulation cotton of heat-barrier material, and wherein the high temperature resistant heat insulation cotton is made by silicide fiber interpolation emulsion binder.
The width of described heat insulation foam is 3cm-10cm.
Described first through hole, second through hole are separately positioned on the top of casing.
The diameter of described first through hole, second through hole is 10cm-30cm.
Described pressure stabilizing device is installed on the casing exterior side wall.
Compared with prior art, the beneficial effects of the utility model are: by high temperature resistant heat insulation plate and the fan that increases, solved in the photovoltaic DC-to-AC converter course of work, the high temperature that the inverter box house produces makes the problem of photovoltaic DC-to-AC converter components and parts inefficiency and photovoltaic DC-to-AC converter shortening in useful life, has saved simultaneously because changing the expense that photovoltaic DC-to-AC converter needs.
Description of drawings
Fig. 1 is the use state diagram of the utility model embodiment;
Wherein, sequence number is as follows among the figure: 1-translation circuit, 2-draw-in groove, 3-thermal insulation board, 4-inverter circuit, 5-buckle, 6-first through hole, 7-first fan, 8-second through hole, 9-second fan, 10-casing, 11-pressure stabilizing device.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
As shown in Figure 1, photovoltaic DC-to-AC converter comprises translation circuit 1, draw-in groove 2, thermal insulation board 3, inverter circuit 4, buckle 5, first through hole 6, first fan 7, second through hole 8, second fan 9, casing 10 and outside pressure stabilizing device 11; Casing 10 tops are provided with first through hole 6 and second through hole 8; Translation circuit 1, inverter circuit 4 are located at casing 10 inside side by side, and translation circuit 1 is positioned at the below of second through hole 8, and inverter circuit 4 is positioned at first through hole, 6 belows; Casing 10 between translation circuit 1, the inverter circuit 4 is provided with thermal insulation board 3; Thermal insulation board 3 is installed in the casing 10 by draw-in groove 2 and buckle 5 cooperations that are located on the casing 10; First fan 7, second fan 9 are installed on the casing 10, and fix with nut by first through hole 6, second through hole 8 respectively; Translation circuit 1 comprises DC control switch module a and the first filter module b that connects successively, and inverter circuit 4 comprises inverter module c, reactor module d, transformer module e, the second filter module f and the alternating-current switch module g that connects successively; The output of the first filter module b connects inverter module c; Alternating-current switch module g is connected with second fan 9 with first fan 7 respectively by pressure stabilizing device 11; Pressure stabilizing device 11 is installed on casing 10 exterior side wall.
The diameter of first through hole 6, second through hole 8 is 20cm.
Thermal insulation board 3 preferred employing high temperature resistant heat insulation cottons, wherein the high temperature resistant heat insulation cotton is made by silicide fiber interpolation emulsion binder, and the width of heat insulation foam is 8cm.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.

Claims (4)

1. a photovoltaic DC-to-AC converter is characterized in that: comprise translation circuit (1), draw-in groove (2), thermal insulation board (3), inverter circuit (4), buckle (5), first through hole (6), first fan (7), second through hole (8), second fan (9), casing (10) and pressure stabilizing device (11); Described casing (10) top is provided with first through hole (6) and second through hole (8); Described translation circuit (1), inverter circuit (4) are located at casing (10) inside side by side, and translation circuit (1) is positioned at the below of second through hole (8), and inverter circuit (4) is positioned at first through hole (6) below; Casing (10) between described translation circuit (1), the inverter circuit (4) is provided with thermal insulation board (3); Described thermal insulation board (3) is installed in the casing (10) by draw-in groove (2) and buckle (5) cooperation that is located on the casing (10); Described first fan (7), second fan (9) are installed on the casing (10) by first through hole (6), second through hole (8) respectively, and fix with nut;
Described translation circuit (1) comprises DC control switch module (a) and first filter module (b) that connects successively, and inverter circuit (4) comprises inverter module (c), reactor module (d), transformer module (e), second filter module (f) and the alternating-current switch module (g) that connects successively; The output of described first filter module (b) connects inverter module (c); Described alternating-current switch module (g) is connected with second fan (9) with first fan (7) respectively by pressure stabilizing device (11).
2. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: described pressure stabilizing device (11) is installed on casing (10) exterior side wall.
3. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: the diameter of described first through hole (6), second through hole (8) is 20cm.
4. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: described thermal insulation board (3) adopts the high temperature resistant heat insulation cotton, and width is 8cm.
CN 201220709581 2012-12-20 2012-12-20 Photovoltaic inverter Expired - Fee Related CN203057012U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220709581 CN203057012U (en) 2012-12-20 2012-12-20 Photovoltaic inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220709581 CN203057012U (en) 2012-12-20 2012-12-20 Photovoltaic inverter

Publications (1)

Publication Number Publication Date
CN203057012U true CN203057012U (en) 2013-07-10

Family

ID=48739928

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220709581 Expired - Fee Related CN203057012U (en) 2012-12-20 2012-12-20 Photovoltaic inverter

Country Status (1)

Country Link
CN (1) CN203057012U (en)

Similar Documents

Publication Publication Date Title
CN201805346U (en) General current conversion module
CN203851040U (en) Compact power module structure
CN208112497U (en) A kind of modularization wind power converter power unit
CN202798482U (en) Power module and photovoltaic grid-connected inversion system
CN102324864A (en) Three-phase grid-connected inverter unit
CN202643518U (en) Anaerobic heating device
CN203057012U (en) Photovoltaic inverter
CN202551595U (en) Device for cooling box body of pitch system
CN105162406B (en) A kind of distribution roof grid-connected photovoltaic system
CN204145312U (en) A kind of three-phase photovoltaic grid-connected inverting device
CN104157890A (en) Hydrogen fuel cell hot water utilization system
CN203243232U (en) Inverter and power module main circuit structure thereof
CN203691254U (en) Power unit structure for 100kw photovoltaic inverter
CN204465446U (en) A kind of photovoltaic generating system topological structure based on direct current photovoltaic module
CN205092782U (en) Contravariant module layout structure
CN201450294U (en) Junction box of solar cell panel
CN202798510U (en) Radiating bus structure of photovoltaic grid-connected inverter
CN203645557U (en) Modular power assembly structure of solar photovoltaic inverter
CN102723878A (en) High-power solar three-phase grid-connected inverter
CN201966789U (en) Wind energy converter module power unit
CN204118189U (en) A kind of hydrogen fuel cell hot water utilization system
CN204190697U (en) Solar energy photovoltaic terminal box
CN204128217U (en) A kind of integrated solar heat collector
CN204783495U (en) High -efficient solar energy heat -retaining power generation system
CN204334372U (en) MW class group string data inversion boosting device

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: 20130710

Termination date: 20151220

EXPY Termination of patent right or utility model