CN204835947U - Novel dc -to -ac converter power unit heat radiation structure - Google Patents
Novel dc -to -ac converter power unit heat radiation structure Download PDFInfo
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- CN204835947U CN204835947U CN201520495637.2U CN201520495637U CN204835947U CN 204835947 U CN204835947 U CN 204835947U CN 201520495637 U CN201520495637 U CN 201520495637U CN 204835947 U CN204835947 U CN 204835947U
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- electrolytic capacitor
- radiator
- mounting panel
- pcb
- power device
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Abstract
The utility model relates to a novel dc -to -ac converter power unit heat radiation structure. Its purpose is in order to provide a simple structure, simple installation, dc -to -ac converter power unit that the radiating efficiency is high. The utility model discloses a PCB circuit board, electrolytic capacitor, radiator and power device. PCB circuit board bottom is provided with the electrolytic capacitor that the vertical direction in a plurality of edges was placed side by side, each electrolytic capacitor's top respectively with the bottom welding of PCB circuit board. PCB circuit board rear end is connected with the intermediate position on mounting panel top, the both sides on mounting panel top about along the direction install a plurality of power devices side by side, the radiator is installed in the mounting panel bottom to each power device self along fore -and -aft direction setting, the fin of radiator about along the direction set up fin self along fore -and -aft direction setting side by side. Electrolytic capacitor is for welding needle extraction electrolytic capacitor.
Description
Technical field
The utility model relates to a kind of electric component, particularly relates to a kind of novel inverter power cell radiator structure.
Background technology
Along with the development of photovoltaic industry, the high-power photovoltaic inverter for the grid-connected power station of large-scale photovoltaic develops to low cost, high power, miniaturization.And the capacitance component of current novel inverter power cell radiator structure adopts alminium electrolytic condenser, in order to meet the requirement of high-power photovoltaic inverter, all adopt spiral shell to fill capacitive way when installing capacitance component, as application number is: in the application documents of 201210423909.9, by bolt, capacitance component is fixed, then capacitance component is electrically connected with other power devices.Need mutually insulated isolate between each spiral shell dress electric capacity in this mounting means, and be fixed by bolt, the both positive and negative polarity needs of each spiral shell dress electric capacity by after being connected with copper bar, then are connected with other components and parts of photovoltaic DC-to-AC converter.The set-up time of this capacitance component is longer; affect the packaging efficiency of novel inverter power cell radiator structure; and poor to the radiating effect of electric capacity and other components and parts, usually there will be the phenomenon that components and parts are overheated, affect the normal work of novel inverter power cell radiator structure.
Utility model content
The technical problems to be solved in the utility model is to provide the novel inverter power cell radiator structure that a kind of structure is simple, simple installation, radiating efficiency are high.
A kind of novel inverter power cell of the utility model radiator structure, wherein, comprise PCB, electrolytic capacitor, radiator and power device, PCB bottom has been arranged side by side multiple electrolytic capacitor, the top of each electrolytic capacitor is welded with PCB bottom respectively, PCB rear end is connected with the centre position on mounting panel top, in left-right direction multiple power device is installed side by side in the both sides on mounting panel top, each power device is arranged along the longitudinal direction self, in mounting panel bottom, radiator is installed, the fin of radiator is arranged side by side in left-right direction, fin is arranged along the longitudinal direction self.
A kind of novel inverter power cell of the utility model radiator structure, be also provided with connecting plate between wherein said PCB and mounting panel, connecting plate front end is connected with PCB rear end, and connecting plate is connected by the centre position of screw with mounting panel top.
A kind of novel inverter power cell of the utility model radiator structure, wherein said each electrolytic capacitor is vertically placed.
A kind of novel inverter power cell of the utility model radiator structure, wherein said electrolytic capacitor is capillary extraction electrolytic capacitor.
A kind of novel inverter power cell of the utility model radiator structure, wherein said power device is IGBT or MOSFET.
A kind of novel inverter power cell of the utility model radiator structure difference from prior art is: the utility model PCB bottom welds multiple electrolytic capacitor side by side, PCB rear end is connected with mounting panel, radiator and multiple power device is separately installed with in connecting plate bottom and top, the fin of radiator is arranged side by side in left-right direction, and fin is arranged along the longitudinal direction self; Each power device is arranged side by side in left-right direction, and each power device is arranged along the longitudinal direction self.Operationally, cooling air enters from electrolytic capacitor front end, after electrolytic capacitor, then through radiator, first dispels the heat to electrolytic capacitor, then dispels the heat to each power device.In radiator the installation direction of fin and the orientation of each power device mutually vertical, when cooling air is by fin, good heat radiation can be carried out to each power device, ensure heat radiation evenly, thus ensure the stable of inverter power unit overall performance.The electrolytic capacitor adopted is capillary extraction electrolytic capacitor, and compact, without the need to connecting copper bar between each electric capacity, simple installation, radiating efficiency is higher, thus improves the useful life of electrolytic capacitor.
Below in conjunction with accompanying drawing, a kind of novel inverter power cell of the utility model radiator structure is described further.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of novel inverter power cell of the utility model radiator structure.
Embodiment
As shown in Figure 1, be the stereogram of a kind of novel inverter power cell of the utility model radiator structure, comprise PCB 1, electrolytic capacitor 2, radiator 4 and power device 5.PCB 1 is arranged in the horizontal direction, PCB 1 rear end is connected with connecting plate 6 front end arranged in the horizontal direction, PCB 1 bottom is arranged side by side multiple electrolytic capacitor 2 vertically placed, and the top of each electrolytic capacitor 2 is welded with PCB 1 bottom respectively.Connecting plate 6 is fixed by screws in the centre position on mounting panel 3 top arranged in the horizontal direction, multiple power device 5 is installed with in left-right direction side by side in the both sides on mounting panel 3 top, each power device 5 is arranged along the longitudinal direction self, is electrically connected between power device 5 with electrolytic capacitor 2.Below mounting panel 3, be provided with radiator 4, radiator 4 top is connected with mounting panel 3 bottom by screw, and the fin of radiator 4 is arranged side by side in left-right direction, and fin is arranged along the longitudinal direction self.
The electrolytic capacitor 2 adopted in embodiment of the present utility model is capillary extraction electrolytic capacitor, and power device 5 is IGBT or MOSFET.
A kind of novel inverter power cell of the utility model radiator structure, PCB 1 bottom welds multiple electrolytic capacitor 2 side by side, PCB 1 rear end is connected with mounting panel 3, radiator 4 and multiple power device 5 is separately installed with in connecting plate 6 bottom and top, the fin of radiator 4 is arranged side by side in left-right direction, and fin is arranged along the longitudinal direction self; Each power device 5 is arranged side by side in left-right direction, and each power device 5 is arranged along the longitudinal direction self.Operationally, cooling air enters from electrolytic capacitor 2 front end, after electrolytic capacitor 2, then through radiator 54, first dispels the heat to electrolytic capacitor 2, then dispels the heat to each power device 5.In radiator 4, the installation direction of fin is mutually vertical with the orientation of each power device 5, when cooling air is by fin, can carry out good heat radiation to each power device 5, ensures that heat radiation evenly, thus ensures the stable of inverter power unit overall performance.The electrolytic capacitor 2 adopted is capillary extraction electrolytic capacitor, and compact, without the need to connecting copper bar between each electric capacity, simple installation, radiating efficiency is higher, thus improves the useful life of electrolytic capacitor 2.The utility model structure is simple, simple installation, radiating efficiency are high, compared with prior art has obvious advantage.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (5)
1. a novel inverter power cell radiator structure, it is characterized in that: comprise PCB (1), electrolytic capacitor (2), radiator (4) and power device (5), PCB (1) bottom has been arranged side by side multiple electrolytic capacitor (2), the top of each electrolytic capacitor (2) is welded with PCB (1) bottom respectively, PCB (1) rear end is connected with the centre position on mounting panel (3) top, in the both sides on mounting panel (3) top, multiple power device (5) is installed in left-right direction side by side, each power device (5) is arranged along the longitudinal direction self, in mounting panel (3) bottom, radiator (4) is installed, the fin of radiator (4) is arranged side by side in left-right direction, fin is arranged along the longitudinal direction self.
2. a kind of novel inverter power cell radiator structure according to claim 1, it is characterized in that: between described PCB (1) and mounting panel (3), be also provided with connecting plate (6), connecting plate (6) front end is connected with PCB (1) rear end, and connecting plate (6) is connected by the centre position of screw with mounting panel (3) top.
3. a kind of novel inverter power cell radiator structure according to claim 1, is characterized in that: described each electrolytic capacitor (2) is vertically placed.
4. a kind of novel inverter power cell radiator structure according to claim 1, is characterized in that: described electrolytic capacitor (2) is capillary extraction electrolytic capacitor.
5. a kind of novel inverter power cell radiator structure according to claim 1, is characterized in that: described power device (5) is IGBT or MOSFET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495637.2U CN204835947U (en) | 2015-07-09 | 2015-07-09 | Novel dc -to -ac converter power unit heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520495637.2U CN204835947U (en) | 2015-07-09 | 2015-07-09 | Novel dc -to -ac converter power unit heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835947U true CN204835947U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520495637.2U Expired - Fee Related CN204835947U (en) | 2015-07-09 | 2015-07-09 | Novel dc -to -ac converter power unit heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304800A (en) * | 2016-09-30 | 2017-01-04 | 国网浙江永康市供电公司 | Security warning instrument |
-
2015
- 2015-07-09 CN CN201520495637.2U patent/CN204835947U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304800A (en) * | 2016-09-30 | 2017-01-04 | 国网浙江永康市供电公司 | Security warning instrument |
| CN106304800B (en) * | 2016-09-30 | 2018-12-28 | 国网浙江永康市供电公司 | Security warning tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170614 Address after: 343100, No. 260, expansion Road, Jinggangshan economic and Technological Development Zone, Ji'an County, Ji'an, Jiangxi Patentee after: JIANGXI YINENG NEW ENERGY MICROGRID COLLABORATIVE INNOVATION CO., LTD. Address before: Ping Technology Park No. 37 Jiangning economic and Technological Development Zone, Nanjing city of Jiangsu Province, the general road 210000 4 floor room 2419 Patentee before: NANJING KUANGSEN ELECTRICAL TECHNOLOGY CO., LTD. |
|
| 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: 20151202 Termination date: 20210709 |