CN202085086U - Grid-connected photovoltaic inverter - Google Patents
Grid-connected photovoltaic inverter Download PDFInfo
- Publication number
- CN202085086U CN202085086U CN 201120205693 CN201120205693U CN202085086U CN 202085086 U CN202085086 U CN 202085086U CN 201120205693 CN201120205693 CN 201120205693 CN 201120205693 U CN201120205693 U CN 201120205693U CN 202085086 U CN202085086 U CN 202085086U
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- CN
- China
- Prior art keywords
- power device
- combining inverter
- radiator
- photovoltaic combining
- electrochemical capacitor
- 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
Abstract
The utility model relates to the technical field of inverters and concretely discloses a grid-connected photovoltaic inverter, which comprises a power device, an electrolytic capacitor, a main circuit board and a heat radiator, wherein the main circuit board is connected with the power device and the electrolytic capacitor, the heat radiator is connected with the power device, and the electrolytic capacitor is connected with the heat radiator. The power device and the electrolytic capacitor of the grid-connected photovoltaic inverter are connected onto the same heat radiator, the temperature rise of the electrolytic capacitor per se is effectively reduced, and the service life of the electrolytic capacitor is prolonged, and so the service life of the grid-connected photovoltaic inverter is prolonged. The grid-connected photovoltaic inverter provided by the embodiment can realize the effective heat radiation, and the reliability of a system is improved.
Description
Technical field
The utility model relates to the inverter technology field, particularly a kind of photovoltaic combining inverter that has heat abstractor.
Background technology
The parallel network power generation technology is the important component part of renewable energy technologies development, photovoltaic generating system mainly is made up of parts such as solar panel, photovoltaic DC-to-AC converters, this system utilizes solar panel that solar energy converting is become direct current, converts direct current to alternating current by photovoltaic combining inverter again.
The critical piece of photovoltaic combining inverter comprises power device, and the electrochemical capacitor that is used for direct current support and stored energy.Different mounting means, spacing and the radiating modes of electrochemical capacitor all can influence the thermal resistance of electrochemical capacitor to environment, and thermal resistance will directly influence the life-span of electrochemical capacitor, so the water of radiation of electrochemical capacitor is straight connects the life-span that influences electrochemical capacitor.And all products of photovoltaic combining inverter have all only carried out radiating treatment to power device in the market, and the heat radiation of electrochemical capacitor generally relies on electrochemical capacitor self directly to contact with air, the radiating mode poor effect of electrochemical capacitor.
Because photovoltaic combining inverter heat when work is bigger, if do not carry out timely radiating treatment, can damage the power device of inverter, and influence the life-span of electrochemical capacitor.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is the heat radiation that how can guarantee simultaneously the power device and the electrochemical capacitor of photovoltaic combining inverter, prolongs the useful life of electrochemical capacitor.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of photovoltaic combining inverter, power device, electrochemical capacitor, the main circuit board that is connected with electrochemical capacitor with described power device and the radiator that is connected with described power device, described electrochemical capacitor is connected with described radiator.
Wherein, described radiator comprises base plate, and is set in parallel in several inserted sheets on the base plate.
Described radiator adopts the surface to make through the aluminium section bar matter of oxidation processes.
The one side of described power device is connected with main circuit board by adjustable for height copper bar, and another side is fixed on the described base plate by screw.
The outside of described copper bar is tied with insulating tape.
Also be connected with winding displacement between described power device and the main circuit board.
Scribble heat-conducting medium on the contact-making surface between described power device and the radiator, scribble heat-conducting medium on the contact-making surface between described electrochemical capacitor and the radiator.
Described heat-conducting medium is a heat-conducting silicone grease.
Also comprise: fan is installed in the top of described radiator.
(3) beneficial effect
Technique scheme has following beneficial effect: be connected on the same radiator by power device and electrochemical capacitor with photovoltaic combining inverter, effectively reduce the temperature rise of electrochemical capacitor itself, prolong the useful life of electrochemical capacitor, thereby prolonged the useful life of photovoltaic combining inverter.The photovoltaic combining inverter that present embodiment provides can be realized efficiently radiates heat, improves the reliability of system.
Description of drawings
Fig. 1 is the structure left view of the photovoltaic combining inverter of the utility model embodiment;
Fig. 2 is the structural front view of the photovoltaic combining inverter of the utility model embodiment;
Fig. 3 is the structure vertical view of the photovoltaic combining inverter of the utility model embodiment;
Wherein, 1: main circuit board; 2: power device; 3: electrochemical capacitor; 4: radiator; 41: inserted sheet; 42: base plate; 5: copper bar; 6: screw; 7: fan.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
As Fig. 1, Fig. 2 and shown in Figure 3, the photovoltaic combining inverter that the utility model embodiment provides comprises: main circuit board 1, power device 2, electrochemical capacitor 3 and radiator 4.
Wherein, radiator 4 comprises several inserted sheets parallel to each other 41, and each inserted sheet 41 is arranged on the base plate 42, and the thickness of each inserted sheet 41 is can two ends even, is preferably 2mm, also can be thicker slightly near the part of base plate 42.The structure of this kind radiator 4 helps the heat that power device 1 and electrochemical capacitor 3 distribute and conducts to inserted sheet 41 parts from base plate 42 parts.Radiator 4 adopts the surface to make through the aluminium section bar matter of oxidation processes.
The one side of power device 2 links to each other with main circuit board 1 by copper bar 5, the outside of copper bar 5 is tied with insulating tape and insulate, copper bar 5 can play conduction and fixing effect simultaneously, and the height of copper bar 5 can be adjusted according to the difference of electrochemical capacitor 3 height, the electrochemical capacitor 3 and the power device 2 that so just can guarantee arbitrary height can both be suitable for, and the bottom that can guarantee the backboard of power device 2 and electrochemical capacitor 3 is all the time on same horizontal plane.Also be connected with the thin flat cable (not shown) between power device 2 and the main circuit board 1, to connect weak electric signal by thin flat cable.The another side of power device 2 is fixed on by screw 6 on the base plate 42 of radiator 4, scribbles heat-conducting medium on the contact-making surface between power device 2 and the radiator 4, and this heat-conducting medium is specially heat-conducting silicone grease in the present embodiment.
The one side of electrochemical capacitor 3 is connected with main circuit board 1 by welding manner, and another side is connected with radiator 4, scribbles heat-conducting silicone grease on the contact-making surface between electrochemical capacitor 3 and the radiator 4.The heat transferred that power device 2 and electrochemical capacitor 3 can be distributed by heat-conducting silicone grease is to radiator 4.
As can be seen from the above embodiments, the utility model embodiment is connected on the same radiator by power device and the electrochemical capacitor with photovoltaic combining inverter, effectively reduce the temperature rise of electrochemical capacitor itself, prolong the useful life of electrochemical capacitor, thereby prolonged the useful life of photovoltaic combining inverter.The photovoltaic combining inverter that present embodiment provides can be realized efficiently radiates heat, improves the reliability of system.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (9)
1. photovoltaic combining inverter comprises power device, electrochemical capacitor, the main circuit board that is connected with electrochemical capacitor with described power device and the radiator that is connected with described power device, and it is characterized in that: described electrochemical capacitor is connected with described radiator.
2. photovoltaic combining inverter as claimed in claim 1 is characterized in that described radiator comprises base plate, and is set in parallel in several inserted sheets on the base plate.
3. photovoltaic combining inverter as claimed in claim 2 is characterized in that, described radiator adopts the surface to make through the aluminium section bar matter of oxidation processes.
4. photovoltaic combining inverter as claimed in claim 2 is characterized in that, the one side of described power device is connected with main circuit board by adjustable for height copper bar, and another side is fixed on the described base plate by screw.
5. photovoltaic combining inverter as claimed in claim 4 is characterized in that the outside of described copper bar is tied with insulating tape.
6. photovoltaic combining inverter as claimed in claim 1 is characterized in that, also is connected with winding displacement between described power device and the main circuit board.
7. photovoltaic combining inverter as claimed in claim 1 is characterized in that, scribbles heat-conducting medium on the contact-making surface between described power device and the radiator, scribbles heat-conducting medium on the contact-making surface between described electrochemical capacitor and the radiator.
8. photovoltaic combining inverter as claimed in claim 7 is characterized in that, described heat-conducting medium is a heat-conducting silicone grease.
9. as each described photovoltaic combining inverter among the claim 1-8, it is characterized in that, also comprise: fan is installed in the top of described radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120205693 CN202085086U (en) | 2011-06-17 | 2011-06-17 | Grid-connected photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120205693 CN202085086U (en) | 2011-06-17 | 2011-06-17 | Grid-connected photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202085086U true CN202085086U (en) | 2011-12-21 |
Family
ID=45345702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120205693 Expired - Lifetime CN202085086U (en) | 2011-06-17 | 2011-06-17 | Grid-connected photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202085086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218499A (en) * | 2020-10-12 | 2021-01-12 | 锦浪科技股份有限公司 | Heat dissipation device and photovoltaic inverter |
-
2011
- 2011-06-17 CN CN 201120205693 patent/CN202085086U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218499A (en) * | 2020-10-12 | 2021-01-12 | 锦浪科技股份有限公司 | Heat dissipation device and photovoltaic inverter |
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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: 20111221 |