CN203840214U - Photovoltaic grid-connected inverter - Google Patents
Photovoltaic grid-connected inverter Download PDFInfo
- Publication number
- CN203840214U CN203840214U CN201420189159.8U CN201420189159U CN203840214U CN 203840214 U CN203840214 U CN 203840214U CN 201420189159 U CN201420189159 U CN 201420189159U CN 203840214 U CN203840214 U CN 203840214U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- main circuit
- radiator
- power device
- combining 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
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 230000000994 depressogenic effect Effects 0.000 claims description 24
- 230000004308 accommodation Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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 a photovoltaic grid-connected inverter. The photovoltaic grid-connected inverter comprises a main circuit board and a radiator, the main circuit board is provided with a power device and an electrolytic capacitor, the radiator and the main circuit board form a containing space, the power device and the electrolytic capacitor are arranged in the containing space and fixed with the radiator, the radiator comprises a first heat radiation portion parallel to the main circuit board and a plurality of second heat radiation portions, the containing space is divided into an upper containing space and a lower containing space by the plurality of second heat radiation portions, and the upper surface and the lower surface of each second heat radiation portion, vertical to the main circuit board, are both provided with fans. According to the photovoltaic grid-connected inverter, the heat radiation efficiency is improved, the temperature rise of the electrolytic capacitor is reduced, and the service lifetime of the electrolytic capacitor is extended.
Description
Technical field
The utility model relates to a kind of photovoltaic combining inverter.
Background technology
The critical piece of photovoltaic combining inverter comprises power device and the electrochemical capacitor for DC support and stored energy.Different mounting means, spacing and the radiating modes of electrochemical capacitor all can affect the thermal resistance of electrochemical capacitor to environment, and thermal resistance will directly affect the useful life of electrochemical capacitor, and therefore the water of radiation of electrochemical capacitor is straight connects the life-span that affects electrochemical capacitor.Because photovoltaic combining inverter heat in the time working is larger, if carry out not in time radiating treatment, can damage the power device of inverter, and affect the life-span of electrochemical capacitor.
Utility model content
For above-mentioned technical problem, the utility model has been designed and developed a kind of photovoltaic combining inverter, and object is to improve the radiating efficiency of photovoltaic combining inverter, reduces the temperature rise of electrochemical capacitor itself, extends the useful life of electrochemical capacitor.
The technical scheme that the utility model provides is:
A kind of photovoltaic combining inverter, comprising:
Main circuit board, is provided with power device and electrochemical capacitor on it;
Radiator, itself and described main circuit board form an accommodation space, described power device and electrochemical capacitor are placed in described accommodation space, and fix with described radiator, described radiator comprises first radiating part parallel with described main circuit board and multiple the second radiating part, described accommodation space is divided into upper accommodation space and lower accommodation space two parts by described multiple the second radiating part, and each second radiating part is all provided with fan perpendicular to upper surface and the lower surface of described main circuit board.
Preferably, in described photovoltaic combining inverter, on the inner surface of the first radiating part of described radiator, offer two depressed parts, two depressed parts are up and down vertically distribution, each depressed part is all set to openend diameter and is greater than sealing end diameter, and described power device and electrochemical capacitor are all fixed on the sealing end of depressed part.
Preferably, in described photovoltaic combining inverter, on the sidewall of described depressed part, be provided with multiple plates.
Preferably, in described photovoltaic combining inverter, the outer surface of the first radiating part of described radiator is provided with two fans, the position consistency at the installation site of described fan and described depressed part place.
Preferably, in described photovoltaic combining inverter, described power device is connected with described main circuit board by copper bar.
In photovoltaic combining inverter described in the utility model, described radiator and described main circuit board form an accommodating sky and ask, described power device and electrochemical capacitor are placed in described accommodating sky and ask, and at the different directions of described accommodation space, multiple fans are installed, make the gas of accommodating sky in asking all the time in circulating state, the heat that described photovoltaic combining inverter produces in the time of work can shed from multiple angles are timely and effective, has improved radiating efficiency.On the inner surface of the first radiating part of described radiator, offer two depressed parts, each depressed part is all set to openend diameter and is greater than sealing end diameter, described power device and electrochemical capacitor are all fixed on the sealing end of depressed part, the air-flow producing when power device and electrochemical capacitor work is discharged under the fan effect of radiator the first radiating part outer surface smoothly along the sidewall of depressed part, has extended the useful life of electrochemical capacitor.
Brief description of the drawings
Fig. 1 is the side schematic view of photovoltaic combining inverter described in the utility model;
Fig. 2 is the front view of radiator described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to specification word.
As depicted in figs. 1 and 2, the utility model provides a kind of photovoltaic combining inverter, comprising:
Main circuit board 1, is provided with power device 2 and electrochemical capacitor 3 on it;
Radiator 4, itself and described main circuit board form an accommodation space, described power device and electrochemical capacitor are placed in described accommodation space, and fix with described radiator, described radiator comprises first radiating part 5 parallel with described main circuit board and multiple the second radiating part 6, the second radiating part is positioned at respectively the top of accommodation space, middle part and bottom, described accommodation space is divided into upper accommodation space 7 and lower accommodation space 8 two parts by described multiple the second radiating part, power device is arranged in accommodation space, electrochemical capacitor is arranged in lower accommodation space, each second radiating part is all provided with fan 9 perpendicular to upper surface and the lower surface of described main circuit board, the air-flow of upper accommodation space and lower accommodation space circulates discharge under the effect of fan.
In described photovoltaic combining inverter, on the inner surface of the first radiating part of described radiator, offer two depressed parts 10, two depressed parts are up and down vertically distribution, each depressed part is all set to openend diameter and is greater than sealing end diameter, being provided with of similar funnel-shaped depression portion is beneficial to air-flow and discharges fast along the sidewall of depressed part, good heat dissipation effect, described power device and electrochemical capacitor are all fixed on the sealing end of depressed part.
In described photovoltaic combining inverter, be provided with multiple plates 11 on the sidewall of described depressed part, multiple plates can interlacedly arrange, increasing heat radiation area.
In described photovoltaic combining inverter, the outer surface of the first radiating part of described radiator is provided with two fans, the position consistency at the installation site of described fan and described depressed part place, air-flow enters in the first radiating part along depressed part, and discharge in time under the effect of fan, realize the optimization of heat dissipation wind channel.
In described photovoltaic combining inverter, described power device is connected with described main circuit board by copper bar 12, and copper bar plays conduction and fixation simultaneously.
Although embodiment of the present utility model is open as above, but it is not restricted to listed utilization in specification and execution mode, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (5)
1. a photovoltaic combining inverter, is characterized in that, comprising:
Main circuit board, is provided with power device and electrochemical capacitor on it;
Radiator, itself and described main circuit board form an accommodation space, described power device and electrochemical capacitor are placed in described accommodating sky and ask, and fix with described radiator, described radiator comprises first radiating part parallel with described main circuit board and multiple the second radiating part, described accommodation space is divided into upper accommodation space and lower accommodation space two parts by described multiple the second radiating part, and each second radiating part is all provided with fan perpendicular to upper surface and the lower surface of described main circuit board.
2. photovoltaic combining inverter as claimed in claim 1, it is characterized in that, on the inner surface of the first radiating part of described radiator, offer two depressed parts, two depressed parts are up and down vertically distribution, each depressed part is all set to openend diameter and is greater than sealing end diameter, and described power device and electrochemical capacitor are all fixed on the sealing end of depressed part.
3. photovoltaic combining inverter as claimed in claim 2, is characterized in that, is provided with multiple plates on the sidewall of described depressed part.
4. photovoltaic combining inverter as claimed in claim 2, is characterized in that, the outer surface of the first radiating part of described radiator is provided with two fans, the position consistency at the installation site of described fan and described depressed part place.
5. photovoltaic combining inverter as claimed in claim 4, is characterized in that, described power device is connected with described main circuit board by copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189159.8U CN203840214U (en) | 2014-04-17 | 2014-04-17 | Photovoltaic grid-connected inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189159.8U CN203840214U (en) | 2014-04-17 | 2014-04-17 | Photovoltaic grid-connected inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840214U true CN203840214U (en) | 2014-09-17 |
Family
ID=51518007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189159.8U Expired - Fee Related CN203840214U (en) | 2014-04-17 | 2014-04-17 | Photovoltaic grid-connected inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203840214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688359A (en) * | 2017-07-10 | 2018-02-13 | 天津科技大学 | A kind of external optical cable welding machine cooling system |
-
2014
- 2014-04-17 CN CN201420189159.8U patent/CN203840214U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107688359A (en) * | 2017-07-10 | 2018-02-13 | 天津科技大学 | A kind of external optical cable welding machine cooling system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180417 |