CN103561552B - Radiator structure and electronic installation - Google Patents
Radiator structure and electronic installation Download PDFInfo
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- CN103561552B CN103561552B CN201310511498.3A CN201310511498A CN103561552B CN 103561552 B CN103561552 B CN 103561552B CN 201310511498 A CN201310511498 A CN 201310511498A CN 103561552 B CN103561552 B CN 103561552B
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Abstract
The present invention discloses a kind of radiator structure, and it comprises the first air channel, the second air channel, is located at demarcation strip, the first dividing plate, second partition, the first power cell and the second power cell between the first air channel and the second air channel.First dividing plate is located in the first air channel and the first air channel is divided into the first sub-air channel and the second sub-air channel.Second partition is located in the second air channel and the second air channel is divided into the 3rd sub-air channel and the 4th sub-air channel.The projection on demarcation strip of first dividing plate and second partition is arranged in a crossed manner.First sub-air channel communicates with the 4th sub-air channel, and the second sub-air channel communicates with the 3rd sub-air channel.First power cell and the second power cell are located in the first sub-air channel and the second sub-air channel respectively.Present invention also offers a kind of electronic installation.Radiator structure provided by the invention and electronic installation, by arranging crossings on different level air channel, eliminate hot cascade phenomenon between the first power cell and the second power cell, ensure that the first power cell and the second power cell electric current current-sharing.
Description
Technical field
The present invention relates to field of radiating, particularly relate to a kind of radiator structure and electronic installation.
Background technology
In prior art, photovoltaic DC-to-AC converter comprises two power cells (PowerStack, PS), and each PS comprises multiple insulated gate bipolar transistor (InsulatedGateBipolarTransistor, IGBT).The heat dissipation wind channel of described two PS adopts series system to realize heat radiation to PS usually.
In the heat dissipation wind channel of series connection, two PS connect placement from top to bottom.When photovoltaic DC-to-AC converter works, the heat formation thermal level connection that two PS produce.In other words, the heat that upper strata PS produces can be delivered to the PS of lower floor, makes the temperature of lower floor PS be higher than the temperature of upper strata PS, thus causes lower floor's PS bulk temperature higher, the lost of life.Meanwhile, the current unevenness stream that two PS temperature contrasts can cause two PS to produce, affects the performance of whole photovoltaic DC-to-AC converter.
Summary of the invention
Technical problem to be solved by this invention is, forms thermal level connection, two power cell current unevenness streams, thus affect the problem of whole photovoltaic DC-to-AC converter performance for solving photovoltaic DC-to-AC converter two power cells in prior art.
To achieve these goals, embodiment of the present invention provides following technical scheme:
On the one hand, provide a kind of radiator structure, it comprises the first air channel, the second air channel, demarcation strip, the first dividing plate, second partition, the first power cell and the second power cell.Described demarcation strip is located between described first air channel and described second air channel.Described first dividing plate is located in described first air channel and described first air channel is divided into the first sub-air channel and the second sub-air channel.Described second partition is located in described second air channel and described second air channel is divided into the 3rd sub-air channel and the 4th sub-air channel.Described first dividing plate and the projection of described second partition on described demarcation strip are arranged in a crossed manner.Described first sub-air channel communicates with described 4th sub-air channel, and described second sub-air channel communicates with described 3rd sub-air channel.Described first power cell is located in described first sub-air channel, and described second power cell is located in described second sub-air channel.
In the execution mode that the first is possible, described first dividing plate comprises the first cross part, and described second partition comprises the second cross part, and the projection on described demarcation strip of described first cross part and described second cross part overlaps.
In conjunction with the execution mode that the first is possible, in the execution mode that the second is possible, described first dividing plate also comprises the first sub-dividing plate and the second sub-dividing plate at the two ends being located at described first cross part, described second partition also comprises the 3rd sub-dividing plate and the 4th sub-dividing plate at the two ends being located at described second cross part, described demarcation strip is provided with first passage and second channel, described first passage is located between described second sub-dividing plate and described 3rd sub-dividing plate, described first sub-air channel is communicated with described 4th sub-air channel by described first passage, described second channel is located between described first sub-dividing plate and described four sub-dividing plates, described second sub-air channel is communicated with described 3rd sub-air channel by described second channel.
In conjunction with the execution mode that the second is possible, in the execution mode that the third is possible, described first dividing plate and the projection of described second partition on described demarcation strip form X-shaped jointly.
In conjunction with the execution mode that the second is possible, in the 4th kind of possible execution mode, linearly, described first dividing plate and the projection of described second partition on described demarcation strip axle centered by described straight line are arranged axisymmetricly for described first cross part and the projection of described second cross part on described demarcation strip.
In conjunction with the 4th kind of possible execution mode, in the 5th kind of possible execution mode, described first sub-dividing plate and described second sub-dividing plate oppositely extend from the two ends of described first cross part respectively.
In conjunction with the 5th kind of possible execution mode, in the 6th kind of possible execution mode, the projection of described first dividing plate on described demarcation strip is roughly in Z-shaped.
In conjunction with the execution mode that the second is possible, in the 7th kind of possible execution mode, described first cross part comprises a pair first straight plates, described first sub-dividing plate comprises a pair first swash plates, described first swash plate tilts to extend to form near one end of described first power cell from the described first straight plate respectively, and described second sub-dividing plate is connected between described first straight plate one end away from described first power cell.
In conjunction with the 7th kind of possible execution mode, in the 8th kind of possible execution mode, described first dividing plate is roughly Y-shaped in the projection of described demarcation strip.
In conjunction with the 7th kind of possible execution mode, in the 9th kind of possible execution mode, described second cross part comprises a pair second straight plates, described 3rd sub-dividing plate is connected to the described second straight plate between one end of described first power cell, described 4th sub-dividing plate comprises a pair the 3rd straight plates, and the described 3rd straight plate oppositely extends to form from the described second straight plate one end away from described first power cell respectively.
In conjunction with the 9th kind of possible execution mode, in the tenth kind of possible execution mode, the described first straight plate and the described second straight plate are projected as the straight line be parallel to each other for a pair on described demarcation strip.
In conjunction with the 9th kind of possible execution mode, in the 11 kind of possible execution mode, described 3rd projection of sub-dividing plate on described demarcation strip is V-shaped.
In conjunction with the 9th kind of possible execution mode, in the 12 kind of possible execution mode, described 3rd projection of sub-dividing plate on described demarcation strip linearly.
On the other hand, provide a kind of electronic installation, it comprises casing and is installed on the above-mentioned radiator structure in described casing.
As can be seen here, radiator structure provided by the invention and electronic installation, by arranging crossings on different level air channel, the first power cell and the second power cell is made to have independently air intake passage and air exhaust passage respectively, not only eliminate hot cascade phenomenon between the first power cell and the second power cell, ensure that the first power cell and the second power cell electric current current-sharing simultaneously, thus improve the performance of electronic installation.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in execution mode below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained as these accompanying drawings.
Fig. 1 is the perspective view of the radiator structure that the first execution mode of the present invention provides;
Fig. 2 and Fig. 1 is identical, is only in order to label conveniently increases Fig. 2;
Air flow direction schematic diagram when Fig. 3 is the first power cell heat radiation of radiator structure in Fig. 1;
Air flow direction schematic diagram when Fig. 4 is the second power cell heat radiation of radiator structure in Fig. 1;
Fig. 5 is the perspective view of the radiator structure that the second execution mode of the present invention provides;
Air flow direction schematic diagram when Fig. 6 is the first power cell heat radiation of radiator structure in Fig. 5;
Air flow direction schematic diagram when Fig. 7 is the second power cell heat radiation of radiator structure in Fig. 5;
Fig. 8 is the perspective view of the radiator structure that the third execution mode of the present invention provides;
Air flow direction schematic diagram when Fig. 9 is the first power cell heat radiation of radiator structure in Fig. 8; And
Air flow direction schematic diagram when Figure 10 is the second power cell heat radiation of radiator structure in Fig. 8.
Specifically above-mentioned Fig. 1, Fig. 2, Fig. 5 and Fig. 8 are the rearview of corresponding radiator structure, and the rear wall of described radiator structure is all in hidden state.Above-mentioned Fig. 3, Fig. 4, Fig. 6, Fig. 7, Fig. 9 and Figure 10 are the front view of correspondingly radiator structure, and the front side wall of described radiator structure is all in hidden state.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
The radiator structure 100 that the electronic installation that embodiment of the present invention provides comprises casing (not shown) and is installed in described casing.
In present embodiment, described electronic installation is photovoltaic DC-to-AC converter.
Please also refer to Fig. 1 and Fig. 2, be depicted as radiator structure 100 perspective view in the first execution mode provided by the invention.In present embodiment, described radiator structure 100 comprises the first air channel 20, air channel 10, second, demarcation strip 30, first dividing plate 40, second partition 50, first power cell PS1 and the second power cell PS2.
Described demarcation strip 30 is located between described first air channel 10 and described second air channel 20.Described first dividing plate 40 is located in described first air channel 10 and described first air channel 10 is divided into the first sub-air channel 11 and the second sub-air channel 12.Described second partition 50 is located in described second air channel 20 and described second air channel 20 is divided into the 3rd sub-air channel 21 and the 4th sub-air channel 22, as shown in Figure 2.
Described first dividing plate 40 and the projection of described second partition 50 on described demarcation strip 30 are arranged in a crossed manner.Described first sub-air channel 11 communicates with described 4th sub-air channel 22, and described second sub-air channel 12 communicates with described 3rd sub-air channel 21.
Described first power cell PS1 is located in described first sub-air channel 11, and described second power cell PS2 is located in described second sub-air channel 12.
In present embodiment, described first power cell PS1 and described second power cell PS2 includes multiple insulated gate bipolar transistor (InsulatedGateBipolarTransistor, IGBT).
In other words, the heat dissipation wind channel spatially crossing condition of the heat dissipation wind channel of the first power cell PS1 on upper strata and the second power cell PS2 of lower floor, thus make the first power cell PS1 on upper strata and the second power cell PS2 of lower floor have independently air intake passage and air exhaust passage respectively.
Please refer to Fig. 3 and Fig. 4, specifically the symbol ⊙ shown in figure represents that cooling blast flows into the first air channel 10 from the second air channel 20, symbol
represent that cooling blast flows into the second air channel 20 from the first air channel 10.Solid arrow represents the air-flow flowing through the first air channel 10, and dotted arrow represents the air-flow flowing through the second air channel 20.
When electronic installation normally works, the first cooling blast flows into the 4th sub-air channel 22 to realize the heat radiation to described first power cell PS1 after the first sub-air channel 11 flows through the first power cell PS1 on upper strata, as shown in Figure 3.Second cooling blast flows into the second sub-air channel 12 from the 3rd sub-air channel 21, and flows through lower floor second power cell PS2 to realize the heat radiation to the second power cell PS2 of lower floor, as shown in Figure 4.
As can be seen here, radiator structure 100 provided by the invention and electronic installation, by arranging crossings on different level air channel, the first power cell PS1 and the second power cell PS2 is made to have independently air intake passage and air exhaust passage respectively, thus ensure that the intake of the first power cell PS1 and the second power cell PS2 is substantially identical with inlet temperature, the radiating effect of the first power cell PS1 and the second power cell PS2 is consistent, eliminate hot cascade phenomenon between the first power cell PS1 and the second power cell PS2, improve the life-span of the second power cell PS2 of lower floor.
Meanwhile, because the intake of the first power cell PS1 and the second power cell PS2 is substantially identical with inlet temperature, ensure that the first power cell PS1 and the second power cell PS2 electric current current-sharing, thus improve the performance of electronic installation.
In present embodiment, described first power cell PS1 and described second power cell PS2 is arranged in series from top to bottom in described first air channel 10, thus make described electronic installation without the need to increasing the width of casing, the area occupied of effective saving power cell in casing, meets the trend of the miniaturization of electronic installation.
Particularly, described first dividing plate 40 comprises the first cross part 42 and is located at first sub-dividing plate 41 and the second sub-dividing plate 43 at two ends of described first cross part 42.Described second partition 50 comprises the second cross part 52 and is located at the 3rd sub-dividing plate 51 at two ends and the 4th sub-dividing plate 53 of described second cross part 52.The projection on described demarcation strip 30 of described first cross part 42 and described second cross part 52 overlaps.
Described demarcation strip 30 is provided with first passage 31 and second channel 32.Described first passage 31 is located between described second sub-dividing plate 43 and described 3rd sub-dividing plate 51, and described first sub-air channel 11 is communicated with described 4th sub-air channel 22 by described first passage 31.Described second channel 32 is located between described first sub-dividing plate 41 and described 4th sub-dividing plate 53, and described second sub-air channel 12 is communicated with described 3rd sub-air channel 21 by described second channel 32.
When electronic installation normally works, first cooling blast flows into the 4th sub-air channel 22 in the second air channel 20 to realize the heat radiation to described first power cell PS1 after the first sub-air channel 11 in the first air channel 10 flows through the first power cell PS1 on upper strata by first passage 31, as shown in Figure 3.Second cooling blast flows into the second sub-air channel 12 in the first air channel 10 by second channel 32 from the 3rd sub-air channel 21 in the second air channel 20, and flow through lower floor second power cell PS2 to realize the heat radiation to the second power cell PS2 of lower floor, as shown in Figure 4.
In present embodiment, described first dividing plate 40 and the projection of described second partition 50 on described demarcation strip 30 form X-shaped jointly.Described first cross part 42 and described second cross part 52 are straight line, and described first cross part 42 and described second cross part 52 are projected as a point on demarcation strip 30.
In other words, in the present embodiment, first dividing plate 40 and second partition 50 are all in straight plate shape, and respectively in the tilted setting in respective air channel, the first air channel 10 and the second air channel 20 are formed the crossings on different level air channel of an X-shaped by the first dividing plate 40, second partition 50 and demarcation strip 30 jointly.
Please refer to Fig. 5, is the radiator structure 100 ' perspective view that the second execution mode of the present invention provides.Can understand like this, the radiator structure 100 ' in the second execution mode is out of shape to obtain from the radiator structure 100 the first execution mode.Radiator structure 100 ' is roughly the same with the structure of radiator structure 100, and difference is, in present embodiment, described first cross part 42 ' and the projection of described second cross part 52 ' on described demarcation strip 30 ' are linearly.Described first dividing plate 40 ' and the projection of described second partition 50 ' on described demarcation strip 30 ' axle centered by described straight line are arranged axisymmetricly.
In present embodiment, described first sub-dividing plate 41 ' and described second sub-dividing plate 43 ' oppositely extend from the two ends of described first cross part 42 ' respectively.
In present embodiment, the projection of described first dividing plate 40 ' on described demarcation strip 30 ' is roughly in Z-shaped.
Fig. 6 and Fig. 7 is respectively the air flow direction schematic diagram of the radiator structure 100 ' that the second execution mode provides.Symbolic significance shown in figure and air flow direction substantially identical with the radiator structure 100 air flow direction schematic diagram that the first execution mode provides, do not repeat them here.
Referring to Fig. 8, be depicted as radiator structure that the third execution mode provided by the invention provides 100 ' ' perspective view.In present embodiment, described first cross part 42 ' ' comprise a pair first straight plates 2.Described first sub-dividing plate 41 ' ' comprise a pair first swash plates 1, described first swash plate 1 tilts to extend to form near one end of described first power cell PS1 from the described first straight plate 2 respectively, described second sub-dividing plate 43 ' ' be connected between described first straight plate 2 one end away from described first power cell PS1.
In present embodiment, described first dividing plate 40 ' ' described demarcation strip 30 ' ' projection roughly Y-shaped.
Further, described second partition 50 ' ' the second cross part 52 ' ' comprise a pair second straight plates 4, described 3rd sub-dividing plate 51 ' ' be connected to the described second straight plate 4 between one end of described first power cell PS1.Described 4th sub-dividing plate 53 ' ' comprise a pair the 3rd straight plates 5, the described 3rd straight plate 5 oppositely extends to form from one end away from described first power cell PS1 of the described second straight plate 4 respectively.
In present embodiment, the described first straight plate 2 and the described second straight plate 4 described demarcation strip 30 ' ' on be projected as the straight line be parallel to each other for a pair.
Radiator structure that present embodiment provides 100 ' ', due to the first cross part 42 ' ' and the second cross part 52 ' ' include a pair straight plate, correspondingly, described radiator structure 100 ' ' comprise a first passage 31 ' ' and be located at for a pair the second channel 32 ' of described first passage 31 ' ' both sides ', as shown in Figure 8.
In present embodiment, described 3rd sub-dividing plate 51 ' ' described demarcation strip 30 ' ' on projection V-shaped.In other embodiments, described 3rd sub-dividing plate 51 ' ' described demarcation strip 30 ' ' on projection also can be other shape, such as, linearly shape.
Fig. 9 and Figure 10 be respectively radiator structure that the third execution mode provides 100 ' ' air flow direction schematic diagram.Symbolic significance shown in figure and air flow direction identical with the radiator structure 100 air flow direction schematic diagram that the first execution mode above-mentioned provides.Difference is, the second cooling blast from the 3rd sub-air channel 21 ' ' by the sub-air channel of a pair second channel 32 ' ' flow into second 12 ' ', and flow through lower floor second power cell PS2 to realize the heat radiation to the second power cell PS2 of lower floor, as shown in Figure 10.
As can be seen here, radiator structure 100,100 ' and 100 ' ' provided by the invention and electronic installation, by arranging crossings on different level air channel, the first power cell PS1 and the second power cell PS2 is made to have independently air intake passage and air exhaust passage respectively, thus ensure that the intake of the first power cell PS1 and the second power cell PS2 is substantially identical with inlet temperature, the radiating effect of the first power cell PS1 and the second power cell PS2 is consistent, eliminate temperature cascade, improve the life-span of the second power cell PS2 of lower floor.
Meanwhile, because the intake of the first power cell PS1 and the second power cell PS2 is substantially identical with inlet temperature, ensure that the first power cell PS1 and the second power cell PS2 electric current current-sharing, thus improve the performance of electronic installation.
Moreover, because the first power cell PS1 and the second power cell PS2 is arranged in series in the first air channel 10, without the need to increasing the width of casing, effectively saving the area occupied of power cell in casing, meeting the trend of the miniaturization of electronic installation.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (14)
1. a radiator structure, it is characterized in that, described radiator structure comprises the first air channel, second air channel, demarcation strip, first dividing plate, second partition, first power cell and the second power cell, described demarcation strip is located between described first air channel and described second air channel, described first dividing plate is located in described first air channel and described first air channel is divided into the first sub-air channel and the second sub-air channel, described second partition is located in described second air channel and described second air channel is divided into the 3rd sub-air channel and the 4th sub-air channel, described first dividing plate and the projection of described second partition on described demarcation strip are arranged in a crossed manner, described first sub-air channel communicates with described 4th sub-air channel, described second sub-air channel communicates with described 3rd sub-air channel, described first power cell is located in described first sub-air channel, described second power cell is located in described second sub-air channel.
2. radiator structure as claimed in claim 1, it is characterized in that, described first dividing plate comprises the first cross part, and described second partition comprises the second cross part, and the projection on described demarcation strip of described first cross part and described second cross part overlaps.
3. radiator structure as claimed in claim 2, it is characterized in that, described first dividing plate also comprises the first sub-dividing plate and the second sub-dividing plate at the two ends being located at described first cross part, described second partition also comprises the 3rd sub-dividing plate and the 4th sub-dividing plate at the two ends being located at described second cross part, described demarcation strip is provided with first passage and second channel, described first passage is located between described second sub-dividing plate and described 3rd sub-dividing plate, described first sub-air channel is communicated with described 4th sub-air channel by described first passage, described second channel is located between described first sub-dividing plate and described four sub-dividing plates, described second sub-air channel is communicated with described 3rd sub-air channel by described second channel.
4. radiator structure as claimed in claim 3, it is characterized in that, described first dividing plate and the projection of described second partition on described demarcation strip form X-shaped jointly.
5. radiator structure as claimed in claim 3, it is characterized in that, linearly, described first dividing plate and the projection of described second partition on described demarcation strip axle centered by described straight line are arranged axisymmetricly for described first cross part and the projection of described second cross part on described demarcation strip.
6. radiator structure as claimed in claim 5, it is characterized in that, described first sub-dividing plate and described second sub-dividing plate oppositely extend from the two ends of described first cross part respectively.
7. radiator structure as claimed in claim 6, is characterized in that, the projection of described first dividing plate on described demarcation strip is roughly in Z-shaped.
8. radiator structure as claimed in claim 3, it is characterized in that, described first cross part comprises a pair first straight plates, described first sub-dividing plate comprises a pair first swash plates, described first swash plate tilts to extend to form near one end of described first power cell from the described first straight plate respectively, and described second sub-dividing plate is connected between described first straight plate one end away from described first power cell.
9. radiator structure as claimed in claim 8, it is characterized in that, described first dividing plate is roughly Y-shaped in the projection of described demarcation strip.
10. radiator structure as claimed in claim 8, it is characterized in that, described second cross part comprises a pair second straight plates, described 3rd sub-dividing plate is connected to the described second straight plate between one end of described first power cell, described 4th sub-dividing plate comprises a pair the 3rd straight plates, and the described 3rd straight plate oppositely extends to form from the described second straight plate one end away from described first power cell respectively.
11. radiator structures as claimed in claim 10, is characterized in that, the described first straight plate and the described second straight plate are projected as the straight line be parallel to each other for a pair on described demarcation strip.
12. radiator structures as claimed in claim 10, is characterized in that, described 3rd projection of sub-dividing plate on described demarcation strip is V-shaped.
13. radiator structures as claimed in claim 10, is characterized in that, described 3rd projection of sub-dividing plate on described demarcation strip linearly.
14. 1 kinds of electronic installations, comprise casing, it is characterized in that, described electronic installation also comprises the radiator structure as described in claim 1 to claim 13 any one be installed in described casing.
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| CN201310511498.3A CN103561552B (en) | 2013-10-25 | 2013-10-25 | Radiator structure and electronic installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310511498.3A CN103561552B (en) | 2013-10-25 | 2013-10-25 | Radiator structure and electronic installation |
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| CN103561552A CN103561552A (en) | 2014-02-05 |
| CN103561552B true CN103561552B (en) | 2016-03-30 |
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| CN112393484A (en) * | 2019-08-16 | 2021-02-23 | 鸿富锦精密工业(武汉)有限公司 | Airflow hood |
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| CN101764510A (en) * | 2010-01-25 | 2010-06-30 | 苏州华辰电气有限公司 | Air-cooled heat dissipation structure of high-power converter device |
| JP2012100466A (en) * | 2010-11-04 | 2012-05-24 | Fuji Electric Co Ltd | Cooling device of power conversion equipment |
| CN102510226A (en) * | 2011-11-28 | 2012-06-20 | 北京动力机械研究所 | Rectifying and inverting unit cabinet of megawatt-level wind-power converter |
| CN202524318U (en) * | 2012-03-28 | 2012-11-07 | 常熟开关制造有限公司(原常熟开关厂） | Inverter |
| 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 |
| CN202931180U (en) * | 2012-12-03 | 2013-05-08 | 深圳市永联科技有限公司 | Inverter cabinet applicable to photovoltaic inverter |
| CN103269168A (en) * | 2013-05-24 | 2013-08-28 | 深圳市晶福源电子技术有限公司 | Box body for installation of photovoltaic grid-connected inverter |
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2013
- 2013-10-25 CN CN201310511498.3A patent/CN103561552B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764510A (en) * | 2010-01-25 | 2010-06-30 | 苏州华辰电气有限公司 | Air-cooled heat dissipation structure of high-power converter device |
| JP2012100466A (en) * | 2010-11-04 | 2012-05-24 | Fuji Electric Co Ltd | Cooling device of power conversion equipment |
| CN102510226A (en) * | 2011-11-28 | 2012-06-20 | 北京动力机械研究所 | Rectifying and inverting unit cabinet of megawatt-level wind-power converter |
| CN202524318U (en) * | 2012-03-28 | 2012-11-07 | 常熟开关制造有限公司(原常熟开关厂） | Inverter |
| 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 |
| CN202931180U (en) * | 2012-12-03 | 2013-05-08 | 深圳市永联科技有限公司 | Inverter cabinet applicable to photovoltaic inverter |
| CN103269168A (en) * | 2013-05-24 | 2013-08-28 | 深圳市晶福源电子技术有限公司 | Box body for installation of photovoltaic grid-connected inverter |
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| CN103561552A (en) | 2014-02-05 |
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