CN202549584U - Annular inductance embedment encapsulation fixing structure for photovoltaic inverter - Google Patents
Annular inductance embedment encapsulation fixing structure for photovoltaic inverter Download PDFInfo
- Publication number
- CN202549584U CN202549584U CN2012200171618U CN201220017161U CN202549584U CN 202549584 U CN202549584 U CN 202549584U CN 2012200171618 U CN2012200171618 U CN 2012200171618U CN 201220017161 U CN201220017161 U CN 201220017161U CN 202549584 U CN202549584 U CN 202549584U
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- Prior art keywords
- inductance
- annular
- photovoltaic
- heat
- conductive insulating
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Abstract
The utility model discloses an annular inductance encapsulation fixing structure for a photovoltaic inverter. The annular inductance encapsulation fixing structure comprises a box body and annular inductors. A heat radiating device is disposed on the box body. An inductance encapsulation shell is arranged on the heat radiating device. Heat conduction insulation potting sealant is poured into the inductance encapsulation shell. A heat conduction insulating spacer is disposed in a groove of the inductance encapsulation shell at the bottom. A heat conduction insulating spacer is disposed on the head of the inductance encapsulation shell. Annular inductors are respectively disposed on the heat conduction insulating spacers. The annular inductance encapsulation fixing structure for the photovoltaic inverter is simple in structure, convenient to manufacture, easy to maintain and good in heat dissipation performance, can enable the connection between the inductors and the heat radiating device to be stable and reliable, saves cost of sealant potting, avoids electromagnetic interference, greatly reduces the safety distance, and consequently space of a whole machine can be effectively utilized.
Description
Technical field
The utility model relates to the annular inductance that a kind of photovoltaic DC-to-AC converter is used, and relates in particular to the annular inductance embedding fixed structure that a kind of photovoltaic DC-to-AC converter is used.
Background technology
Along with the high speed development of new energy technology, the solar photovoltaic inverter market demand is increasing, and photovoltaic DC-to-AC converter manufacturer is also more and more.The annular inductance is used in photovoltaic DC-to-AC converter in a large number, and at present, the fixed form of annular inductance has following several kinds, and a kind of mode is that inductance and heat abstractor are used the heat conductive insulating glue bond, but existence is fixing unreliable like this, and EMI test effect is bad.Also having a kind of mode is respectively to fill up a slice collets up and down at annular inductance; Passing the middle through hole of annular inductance through a very long metal screw again is fixed on the heat abstractor; But can cause the safety distance of inductance coil and metal screw not enough like this; And, adopt this fixed form can cause inductance fixing unreliable for big higher annular inductance.
The utility model content
The utility model is to above-mentioned deficiency; The annular inductance embedding fixed structure that provides a kind of photovoltaic DC-to-AC converter to use; Purpose is: provide a kind of simple in structure, easy to make, be easy to safeguard, heat dispersion is good, can make inductance and heat abstractor secure and reliable connection; Avoid electromagnetic interference and can significantly reduce the safety distance, thereby effectively utilize the complete machine space.
The technical scheme of the utility model:
The annular inductance embedding fixed structure that a kind of photovoltaic DC-to-AC converter is used; Comprise casing, annular inductance, it is characterized in that: be provided with heat abstractor in the said casing, heat abstractor is provided with inductance embedding housing; Poured into the heat conductive insulating casting glue in the inductance embedding housing; In inductance embedding housing bottom groove, be provided with the heat conductive insulating pad, be provided with the heat conductive insulating pad, also be provided with annular inductance on the heat conductive insulating pad in said inductance embedding housing head.
Said inductance embedding housing is barrel-shaped.
Said depth of groove is less than the thickness of heat conductive insulating pad.
Said inductance embedding housing bottom periphery also is provided with fixedly ear, and fixedly ear is provided with the through hole that cooperates with screw.
The quantity of said fixedly ear is more than three, and the quantity of said through hole is more than one.
The external diameter of said inductance embedding housing is greater than the external diameter of annular inductance.
The beneficial effect of the utility model
The utility model is simple in structure, easy to make, be easy to safeguard, heat dispersion is good, the annular inductance embedding fixed structure through adopting above-mentioned photovoltaic DC-to-AC converter to use, and can make inductance and heat abstractor secure and reliable connection, saving encapsulating cost; Avoid electromagnetic interference and can significantly reduce the safety distance, thereby effectively utilize the complete machine space.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the utility model heat conductive insulating casting glue mounting structure sketch map.
Fig. 3 is the utility model inductance embedding shell structure sketch map.
Fig. 4 is the utility model inductance embedding housing bottom structural representation.
Wherein: 1, heat abstractor; 2, heat conductive insulating pad; 3, inductance embedding housing; 4, annular inductance; 5, screw; 6, heat conductive insulating casting glue; 7, casing; 8, fixing ear; 9, through hole; 10, groove.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further description.
To shown in Figure 4, the annular inductance embedding fixed structure that a kind of photovoltaic DC-to-AC converter is used comprises casing 7, annular inductance 4 like Fig. 1; Be provided with heat abstractor 1 in the said casing; Heat abstractor 1 is provided with inductance embedding housing 3, has poured into heat conductive insulating casting glue 6 in the inductance embedding housing 3, in inductance embedding housing 3 bottom grooves, is provided with heat conductive insulating pad 2; Be provided with heat conductive insulating pad 2 at said inductance embedding housing 3 heads, also be provided with annular inductance 4 on the heat conductive insulating pad 2; Inductance embedding housing 3 is barrel-shaped; The bottom has the groove 10 that matches with heat conductive insulating pad 2; Groove 10 degree of depth also are provided with fixedly ear 8 less than the thickness of heat conductive insulating pad 2 in inductance embedding housing 3 bottom periphery, and fixedly the quantity of ear 8 is more than three; Fixedly ear 8 is provided with the through hole 9 that cooperates with screw 5, and the quantity of through hole 9 is more than one; The external diameter of said inductance embedding housing 3 is greater than the external diameter of annular inductance 4.
Concrete workflow
Through the annular inductance embedding fixed structure that adopts above-mentioned photovoltaic DC-to-AC converter to use; When photovoltaic DC-to-AC converter is worked; The heat major part that annular inductance 4 produces can conduct to below the inductance embedding housing 3 through having poured into heat conductive insulating casting glue 6, heat conductive insulating pad 2 in the inductance embedding housing 3; Conducting on the heat abstractor 1 through in inductance embedding housing 3 bottom grooves 10, being provided with heat conductive insulating pad 2, heat abstractor 1 dispels the heat with cross-ventilation, thereby accomplishes the heat radiation process of annular inductance 4.
Claims (6)
1. annular inductance embedding fixed structure that photovoltaic DC-to-AC converter is used; Comprise casing, annular inductance, it is characterized in that: be provided with heat abstractor in the said casing, heat abstractor is provided with inductance embedding housing; Poured into the heat conductive insulating casting glue in the inductance embedding housing; In inductance embedding housing bottom groove, be provided with the heat conductive insulating pad, be provided with the heat conductive insulating pad, also be provided with annular inductance on the heat conductive insulating pad in said inductance embedding housing head.
2. the annular inductance embedding fixed structure that photovoltaic DC-to-AC converter according to claim 1 is used is characterized in that: said inductance embedding housing is barrel-shaped.
3. the annular inductance embedding fixed structure that photovoltaic DC-to-AC converter according to claim 1 is used, it is characterized in that: said depth of groove is less than the thickness of heat conductive insulating pad.
4. the annular inductance embedding fixed structure that photovoltaic DC-to-AC converter according to claim 1 is used is characterized in that: said inductance embedding housing bottom periphery also is provided with fixedly ear, and fixedly ear is provided with the through hole that cooperates with screw.
5. the annular inductance embedding fixed structure that photovoltaic DC-to-AC converter according to claim 4 is used, it is characterized in that: the quantity of said fixedly ear is more than three, the quantity of said through hole is more than one.
6. the annular inductance embedding fixed structure that photovoltaic DC-to-AC converter according to claim 1 is used, it is characterized in that: the external diameter of said inductance embedding housing is greater than the external diameter of annular inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200171618U CN202549584U (en) | 2012-01-16 | 2012-01-16 | Annular inductance embedment encapsulation fixing structure for photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200171618U CN202549584U (en) | 2012-01-16 | 2012-01-16 | Annular inductance embedment encapsulation fixing structure for photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549584U true CN202549584U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200171618U Expired - Fee Related CN202549584U (en) | 2012-01-16 | 2012-01-16 | Annular inductance embedment encapsulation fixing structure for photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549584U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475071A (en) * | 2013-10-16 | 2013-12-25 | 珠海英搏尔电气有限公司 | Charger |
| CN107863241A (en) * | 2017-12-04 | 2018-03-30 | 苏州腾冉电气设备股份有限公司 | A kind of Inductive component for distributed photovoltaic system |
-
2012
- 2012-01-16 CN CN2012200171618U patent/CN202549584U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475071A (en) * | 2013-10-16 | 2013-12-25 | 珠海英搏尔电气有限公司 | Charger |
| CN107863241A (en) * | 2017-12-04 | 2018-03-30 | 苏州腾冉电气设备股份有限公司 | A kind of Inductive component for distributed photovoltaic system |
| CN107863241B (en) * | 2017-12-04 | 2024-04-09 | 苏州腾冉电气设备股份有限公司 | Inductance assembly for distributed photovoltaic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20171016 Granted publication date: 20121121 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20191016 Granted publication date: 20121121 |
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| 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: 20121121 Termination date: 20190116 |