CN202840999U - Photovoltaic inverter - Google Patents
Photovoltaic inverter Download PDFInfo
- Publication number
- CN202840999U CN202840999U CN201220456499.3U CN201220456499U CN202840999U CN 202840999 U CN202840999 U CN 202840999U CN 201220456499 U CN201220456499 U CN 201220456499U CN 202840999 U CN202840999 U CN 202840999U
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- CN
- China
- Prior art keywords
- pedestal
- radiator
- circuit board
- base
- photovoltaic
- 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 - Lifetime
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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)
Abstract
The utility model relates to a photovoltaic inverter. The photovoltaic inverter comprises a base and a surface cover, wherein the base accommodates a reactor component, a radiator, cooling fans, a main circuit board and a control circuit board. The photovoltaic inverter is characterized in that the surface cover is arranged on the top of the base and is connected with the base; the radiator is arranged on the bottom of the base; a cable inlet interface and a cable outlet interface are arranged on the lower side of the base; a first vent is arranged on a first side which is close to one end of the radiator, is located on the base and is adjacent to the lower side; a first cooling fan is correspondingly arranged on a second side which is opposite to the first side, is adjacent to the lower side, is located on the base and is close to the other end of the radiator; the reactor component is arranged in the base; a second cooling fan which is corresponding to the reactor component is arranged on the second side of the base; a second vent which is corresponding to the second cooling fan is arranged on the first side of the base. The photovoltaic inverter provided by the utility model is not easy to accumulate dust and sundries, prevents the radiator and the cooling fans from being blocked, and ensures cooling reliability.
Description
Technical field
The utility model relates to the inverter field, is specifically related to a kind of photovoltaic DC-to-AC converter.
Background technology
Along with the development of science and technology, the photovoltaic DC-to-AC converter technology reaches its maturity.But the problem of outdoor type photovoltaic DC-to-AC converter maximum is namely will guarantee the heat radiation of casing at present, also will avoid simultaneously rainwater to infiltrate casing, and the components and parts in the casing are caused damage.The heat dissipation channel that present outdoor type photovoltaic DC-to-AC converter is offered mostly is vertical (when inverter is installed on the metope, heat radiation air port in the vertical direction), be difficult to like this guarantee that heat dissipation channel do not pile up the dust foreign material, will cause heat dissipation channel obstructed, the impact heat radiation; Also there is producer to adopt the radiator of special-purpose given shape to overcome the above problems, but can causes cost to increase.In addition, when the design inverter, also have two key factors to need to consider, it is the electromagnetic compatibility problem between each components and parts in the casing, and the effect of heat radiation in the casing, the internal component unreasonable meeting of arranging brings emc issue, and will cause that the components and parts heat radiation interferes with each other in the casing, therefore, the utility model provides solution for addressing the above problem.
Summary of the invention
The utility model purpose provides a kind of photovoltaic DC-to-AC converter, and this photovoltaic DC-to-AC converter is difficult for piling up the dust foreign material, avoids stopping up radiator and radiator fan, guarantees the heat radiation reliability.
For achieving the above object, the technical solution adopted in the utility model is: a kind of photovoltaic DC-to-AC converter, comprise be used to holding the reactor assembly, radiator, radiator fan, main circuit board, the pedestal of control circuit board (1) and cover, it is characterized in that: described cover is arranged at the pedestal top, be connected with pedestal, described radiator is installed in base bottom, be provided with the long cable section of ingoing line interface on the described pedestal downside and go out line interface, press close to radiator one end and be positioned at pedestal on first side adjacent with downside to offer the first ventilating opening, press close to the radiator other end and be positioned on the second adjacent with downside and relative with the first side side of pedestal correspondingly to be provided with the first radiator fan.
Further improved technical scheme is as follows in the technique scheme:
1, in the such scheme, described reactor assembly is installed in the pedestal, and the second radiator fan corresponding to the reactor assembly is installed on this pedestal second side, is provided with second ventilating opening corresponding with the second radiator fan on this pedestal first side.
2, in the such scheme, described main circuit board is installed on described radiator top, and this main circuit board lower surface is provided with power device, and this power device contacts with the crimping of radiator upper surface, described pedestal comprises a mounting panel, and described main circuit board is installed on this mounting panel surface.
3, in the such scheme, a cover is installed on described pedestal top, and this cover and pedestal contact position are tightly connected by the first water-proof sealing strip.
4, in the such scheme, described radiator upper surface is provided with groove, and this groove is embedded with the second water-proof sealing strip, and this second water-proof sealing strip is realized being tightly connected between described mounting panel and the radiator.
5, in the such scheme, described control circuit board is installed on the metallic plate, and this metallic plate is positioned at the main circuit board top.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
The utility model photovoltaic DC-to-AC converter, it is difficult for piling up the dust foreign material, avoids stopping up radiator and radiator fan, guarantees the heat radiation reliability; Secondly, major circuit components plate and control circuit component palette design separately, the independent installation, and the control circuit component palette is installed on the installation metallic plate of shielding action, and easy for installation, Electro Magnetic Compatibility is good; Again, the groove design of radiator and pedestal junction, good water-proof effect behind the embedding sealing bar; Between radiator and the power device insulation cushion is arranged, play the insulating heat-conductive effect.
Description of drawings
Fig. 1 is the whole exploded view of the utility model photovoltaic DC-to-AC converter;
Fig. 2 removes mounting plates structure for the utility model photovoltaic DC-to-AC converter pedestal;
Fig. 3 is the utility model photovoltaic DC-to-AC converter pedestal vertical view
Fig. 4 is the utility model photovoltaic DC-to-AC converter cutaway view.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of photovoltaic DC-to-AC converter, comprise be used to holding reactor assembly 2, radiator 3, radiator fan 4, main circuit board 5, the pedestal 1 of control circuit board 6 and cover 7, it is characterized in that: described cover 7 is arranged at pedestal 1 top, be connected with pedestal 1, described radiator 3 is installed in pedestal 1 bottom, be provided with long cable section of ingoing line interface 111 and go out line interface 112 on described pedestal 1 downside 11, press close to radiator 3 one ends and be positioned on pedestal 1 first side 12 adjacent with downside to offer the first ventilating opening 121, press close to radiator 3 other ends and be positioned on the second adjacent and relative with the first side 12 side 13 of pedestal 1 and downside 11 correspondingly to be provided with the first radiator fan 41.
Above-mentioned reactor assembly 2 is installed in the pedestal 1, and the second radiator fan 42 corresponding to reactor assembly 2 is installed on this pedestal 1 second side 13, is provided with second ventilating opening 122 corresponding with the second radiator fan 42 on this pedestal 1 first side 12.
Above-mentioned main circuit board 5 is installed on described radiator 3 tops, these main circuit board 5 lower surfaces are provided with power device 51, this power device 51 contacts with radiator 3 upper surface crimping, includes mounting panel 14 in the described pedestal 1, and radiator 3 is installed in the pedestal with reactor assembly 2.
One cover 7 is installed on described pedestal 1 top, and this cover 7 is tightly connected by the first water-proof sealing strip 71 with pedestal 1 contact position.
Above-mentioned radiator 3 upper surfaces are provided with groove 32, and this groove 32 is embedded with the second water-proof sealing strip 31.
Above-mentioned control circuit board 6 is installed on the metallic plate 8, and this metallic plate 8 is positioned at main circuit board 5 tops.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 is further described below, comprise be used to holding reactor assembly 2, radiator 3, radiator fan 4, main circuit board 5, the pedestal 1 of control circuit board 6 and cover 7, described radiator fan 4 comprises the first radiator fan 41 and the second radiator fan 42, it is characterized in that: described cover 7 is arranged at pedestal 1 top, be connected with pedestal 1, described radiator 3 is installed in pedestal 1 bottom, be provided with long cable section of ingoing line interface 111 and go out line interface 112 on described pedestal 1 downside 11, press close to radiator 3 one ends and be positioned on pedestal 1 first side 12 adjacent with downside and offer the first ventilating opening 121, press close to radiator 3 other ends and be positioned on the second adjacent and relative with the first side 12 side 13 of pedestal 1 and downside 11 and correspondingly be provided with the first radiator fan 41, described reactor assembly 2 is installed in pedestal 1 bottom, the second radiator fan 42 corresponding to reactor assembly 2 is installed on this pedestal 1 second side 13, is provided with second ventilating opening 122 corresponding with the second radiator fan 42 on this pedestal 1 first side 12.
Described main circuit board 5 is installed in radiator 3 tops, and its back side is provided with power device 51, and described power device 51 is fixed with radiator 3 upper surface crimping and by screw; Include mounting panel 14 in the described pedestal 1, radiator 3 is installed in the pedestal with reactor assembly 2, and described cover 7 cooperates installation with pedestal 1.
It can be rubber weather strip that pedestal 1 top and cover 7 contact positions are provided with the first water-proof sealing strip 71(); Offer perforate on the mounting panel 14, can pass through for reactor wire, installing cables plate 52 through walls is guaranteed its water proofing property in perforate.Reactor assembly 2, radiator 3 and radiator fan 4 are installed in pedestal 1 bottom, radiator 3 surfaces fluted 32, it can be rubber weather strip that groove 32 is embedded in the second water-proof sealing strip 31(), cooperate like this cable penetration plate 52 can guarantee that the space of a sealing is formed at pedestal 1 top, so that water resistance strengthens.
Control circuit board 6 is installed on the metallic plate, is positioned at the top of main circuit board 5, can prevent to greatest extent the electromagnetic interference of control circuit board 6 and main circuit board 5 grades.
When cover 7 is connected with pedestal 1, screw 9 only directly connects lid and does not pass pedestal 1, makes cover 7 complete with being connected of pedestal 1, good water-proof effect, cover 7 comprises that liquid crystal display screen, indicator light, button, said elements top is stamped transparent panel, and the transparent panel tapping is provided with rubber ring.
Turn up 60 ° edge of pedestal 1 and cover 7 first water-proof sealing strips 71 compression places makes the rainwater that enters from pedestal 1 and slit, cover 7 outside junction be difficult for flowing to pedestal 1 and 7 times the first water-proof sealing strips of cover, 71 compressions, good water-proof effect;
Radiator 3 is selected the Universal aluminium section bar, and is easy to process, and cost is cheap.
When adopting above-mentioned photovoltaic DC-to-AC converter, it is difficult for piling up the dust foreign material, avoids stopping up radiator and radiator fan, guarantees the heat radiation reliability; Secondly, major circuit components plate and control circuit component palette design separately, the independent installation, and the control circuit component palette is installed on the installation metallic plate of shielding action, and easy for installation, Electro Magnetic Compatibility is good; Again, the groove design of radiator and pedestal junction, good water-proof effect behind the embedding sealing bar; Between radiator and the power device insulation cushion is arranged, play the insulating heat-conductive effect.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (6)
1. photovoltaic DC-to-AC converter, comprise be used to holding reactor assembly (2), radiator (3), radiator fan (4), main circuit board (5), the pedestal (1) of control circuit board (6) and cover (7), it is characterized in that: described cover (7) is arranged at pedestal (1) top and is connected with pedestal (1), described radiator (3) is installed in pedestal (1) bottom, be provided with long cable section of ingoing line interface (111) on described pedestal (1) downside (11) and go out line interface (112), press close to described radiator (3) one ends and be positioned on pedestal (1) first side (12) adjacent with downside to offer the first ventilating opening (121), press close to radiator (3) other end and be positioned on adjacent with downside (11) and relative with the first side (12) the second side (13) of pedestal (1) correspondingly to be provided with the first radiator fan (41).
2. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: described reactor assembly (2) is installed in pedestal (1) bottom, the second radiator fan (42) corresponding to reactor assembly (2) is installed on second side (13) of this pedestal (1), is provided with second ventilating opening (122) corresponding with the second radiator fan (42) on this pedestal (1) first side (12).
3. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: described main circuit board (5) is installed on described radiator (3) top, this main circuit board (5) lower surface is provided with power device (51), this power device (51) contacts with radiator (3) upper surface crimping, described pedestal (1) comprises a mounting panel (14), and described main circuit board (5) is installed on this mounting panel (14) surface.
4. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: a cover (7) is installed on described pedestal (1) top, and this cover (7) is tightly connected by the first water-proof sealing strip (71) with pedestal (1) contact position.
5. photovoltaic DC-to-AC converter according to claim 3, it is characterized in that: described radiator (3) upper surface is provided with groove (32), this groove (32) is embedded with the second water-proof sealing strip (31), and this second water-proof sealing strip (31) is realized being tightly connected between described mounting panel (14) and the radiator (3).
6. photovoltaic DC-to-AC converter according to claim 1, it is characterized in that: described control circuit board (6) is installed on the metallic plate (8), and this metallic plate (8) is positioned at main circuit board (5) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456499.3U CN202840999U (en) | 2012-09-10 | 2012-09-10 | Photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456499.3U CN202840999U (en) | 2012-09-10 | 2012-09-10 | Photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840999U true CN202840999U (en) | 2013-03-27 |
Family
ID=47952597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220456499.3U Expired - Lifetime CN202840999U (en) | 2012-09-10 | 2012-09-10 | Photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840999U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426833A (en) * | 2013-08-06 | 2013-12-04 | 深圳市依思普林科技有限公司 | Compression joint type power module |
| CN104022659A (en) * | 2014-06-18 | 2014-09-03 | 深圳市茂润电气有限公司 | Photovoltaic inverter with long service life, low power consumption and zero noise |
| CN105101748A (en) * | 2014-05-23 | 2015-11-25 | 弗罗纽斯国际有限公司 | Heat sink and housing for an inverter with such a heat sink |
| CN107747796A (en) * | 2017-10-30 | 2018-03-02 | 珠海格力电器股份有限公司 | The mounting structure of air-conditioning device, photovoltaic controller and air-conditioning photovoltaic controller |
-
2012
- 2012-09-10 CN CN201220456499.3U patent/CN202840999U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426833A (en) * | 2013-08-06 | 2013-12-04 | 深圳市依思普林科技有限公司 | Compression joint type power module |
| CN103426833B (en) * | 2013-08-06 | 2016-03-02 | 深圳市依思普林科技有限公司 | Compression joint type power model |
| CN105101748A (en) * | 2014-05-23 | 2015-11-25 | 弗罗纽斯国际有限公司 | Heat sink and housing for an inverter with such a heat sink |
| US10104808B2 (en) | 2014-05-23 | 2018-10-16 | Fronius International Gmbh | Heat sink and housing for an inverter with such a heat sink |
| CN104022659A (en) * | 2014-06-18 | 2014-09-03 | 深圳市茂润电气有限公司 | Photovoltaic inverter with long service life, low power consumption and zero noise |
| CN107747796A (en) * | 2017-10-30 | 2018-03-02 | 珠海格力电器股份有限公司 | The mounting structure of air-conditioning device, photovoltaic controller and air-conditioning photovoltaic controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |