CN203706879U - Heat dissipation shell of thin film capacitor - Google Patents
Heat dissipation shell of thin film capacitor Download PDFInfo
- Publication number
- CN203706879U CN203706879U CN201320847664.2U CN201320847664U CN203706879U CN 203706879 U CN203706879 U CN 203706879U CN 201320847664 U CN201320847664 U CN 201320847664U CN 203706879 U CN203706879 U CN 203706879U
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- CN
- China
- Prior art keywords
- diapire
- sidewall
- conductor
- screw thread
- film capacitor
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a heat dissipation shell of a thin film capacitor. The heat dissipation shell comprises a cylindrical body part for containing a thin film core, a cylindrical head for fixing a leading-out terminal and a neck for connecting the body part with the head, wherein the body part is provided with a first round bottom wall and a first tubular side wall, and the edge of the first bottom wall is connected with the lower end of the first side wall; the head is provided with a second annular bottom wall and a second tubular side wall, and the lower end of the second side wall is connected with the annular outer side edge of the second bottom wall; the neck is provided with a third annular bottom wall and a third tubular side wall, the lower end of the third side wall is coaxially connected with the third bottom wall, and the outer diameter of the third side wall is smaller than the annular outer diameter of the third bottom wall. The heat dissipation shell of the thin film capacitor has good heat dissipation performance, the whole structure is convenient to assemble, welding operation is not needed, all the components are of a sheet-shaped and cylindrical combined structure, and therefore the heat dissipation shell is easy to machine.
Description
Technical field
The utility model relates to a kind of heat-dissipating casing of film capacitor, belongs to film capacitor manufacturing technology field.
Background technology
Film capacitor of the prior art, due to the deficiency of heat dispersion, causes inefficacy ratio higher, unstable properties, and the life-span is short.Its reason is that film capacitor has certain heating power, and the film thermal conductivity of film capacitor is all poor, cause film capacitor heating more serious, film capacitor is worked for a long time within the scope of high-temperature, performance just cannot be guaranteed, and has increased the inefficacy ratio of thermal breakdown.In the prior art, in order to improve the job stability of film capacitor, and extend the useful life of film capacitor, mainly take to increase film capacitor volume and to increase the method for equivalent area, the thermal resistance of film capacitor is declined.But said method is causing the rising of film capacitor manufacturing cost, and increase the fixing difficulty of installation of film capacitor, affected the miniaturization of using the equipment of film capacitor.
Utility model content
The utility model, just for the deficiency of prior art existence, provides a kind of heat-dissipating casing of film capacitor, improves the heat dispersion of film capacitor under the prerequisite that does not increase film capacitor volume, meets actual operation requirements.
For addressing the above problem, technical solution adopted in the utility model is as follows:
A heat-dissipating casing for film capacitor, comprising:
One for placing the tubular body portion of film fuse, and described body portion has the sidewall one of circular diapire one and tubulose, and the edge of described diapire one is connected with the lower end of described sidewall one, and the upper end inwall of described sidewall one is provided with screw thread one;
The one tubular head for fixed terminal, described head has the sidewall two of annular diapire two and tubulose, and the lower end of described sidewall two is connected with the annular outboard edge of described diapire two, and the annular inboard of described diapire two is provided with screw thread two;
One for connecting the neck of described body portion and described head, described neck has the sidewall three of annular diapire three and tubulose, the lower end of described sidewall three is coaxially connected with described diapire three, and the external diameter of described sidewall three is less than the annular external diameter of described diapire three, the upper end outer wall of described sidewall three is provided with the screw thread three that coordinates described screw thread two, and the annular outboard of described diapire three is provided with the screw thread four that coordinates described screw thread one.
As the improvement of technique scheme, described body portion also has radiating tube, described radiating tube upper end closed and lower end is connected with described diapire one, described radiating tube is coaxial with described sidewall one, and described diapire one circle centre position is provided with the hollow out circular hole that radius is less than or equal to described radiating tube internal diameter.
As the improvement of technique scheme, the internal diameter of described sidewall three is greater than the annular internal diameter of described diapire three, and described radiating tube upper end outer wall is provided with screw thread five, and the annular inboard of described diapire three is provided with the screw thread six that coordinates described screw thread five.
As the improvement of technique scheme, described diapire three is provided with two for connecting respectively the conductor patch one of film fuse positive and negative electrode, described diapire three is provided with two conductor fairleads one, two described conductor fairleads one are all positioned at the inner side of described sidewall three, two described conductor patch one be respectively arranged with cover two described conductor fairlead one inwalls electrically contact rib one.
As the improvement of technique scheme, described head also has the conductive supporting plate of round pie, the upper surface of described conductive supporting plate is provided with two for connecting respectively the conductor patch two of two leading-out terminals, described conductive supporting plate be provided with two, two described conductor patch two of conductor fairlead that two positions correspond respectively to two described conductor fairleads one be respectively arranged with cover two described conductor fairlead two inwalls electrically contact rib two.
As the improvement of technique scheme, between described conductor patch one and described conductor patch two, be electrically connected by conductive pole, and described conductive pole upper end is arranged in described conductor fairlead two, described conductive pole lower end is arranged in described conductor fairlead one.
Compared with prior art, implementation result of the present utility model is as follows for the utility model:
The heat-dissipating casing of a kind of film capacitor described in the utility model, described structure makes the anchor ring of described film fuse upper end the same as with the anchor ring of described film fuse lower end shell, thereby air or other filled medias between two anchor rings and the shell of described film fuse upper and lower end are reduced, because air or other filled medias have warming heat insulation side effect, therefore reduce air or other filled medias and can effectively improve the radiating effect of film capacitor; In addition, the hollow bulb heat radiation difficulty of described film fuse inner side, therefore heat is gathered in herein in a large number, at the hollow bulb of described film fuse inner side, the radiating effect that radiating tube contributes to improve this position is set.And overall structure is easy to assembly, without weld job, each assembly is the combining structure of sheet and tubular, is therefore easy to processing.
Accompanying drawing explanation
Fig. 1 is the heat-dissipating casing structural representation of a kind of film capacitor described in the utility model;
Fig. 2 is the perspective view of conductive supporting plate in the heat-dissipating casing of a kind of film capacitor described in the utility model, neck and conductive pole;
Fig. 3 is the perspective view of film fuse in the heat-dissipating casing of a kind of film capacitor described in the utility model.
Embodiment
Content of the present utility model is described below in conjunction with specific embodiments.
As shown in Figure 1 to Figure 3, be the heat-dissipating casing structural representation of a kind of film capacitor described in the utility model.The heat-dissipating casing of a kind of film capacitor described in the utility model, comprise: one for placing the tubular body portion of film fuse 1, described body portion has the sidewall 1 of circular diapire 1 and tubulose, the edge of described diapire 1 is connected with the lower end of described sidewall 1, and the upper end inwall of described sidewall 1 is provided with screw thread 1; The one tubular head for fixed terminal 2, described head has the sidewall 2 42 of annular diapire 2 41 and tubulose, the lower end of described sidewall 2 42 is connected with the annular outboard edge of described diapire 2 41, and the annular inboard of described diapire 2 41 is provided with screw thread 2 43; One for connecting the neck of described body portion and described head, described neck has the sidewall 3 52 of annular diapire 3 51 and tubulose, the lower end of described sidewall 3 52 is coaxially connected with described diapire 3 51, and the external diameter of described sidewall 3 52 is less than the annular external diameter of described diapire 3 51, the upper end outer wall of described sidewall 3 52 is provided with the screw thread 3 53 that coordinates described screw thread 2 43, and the annular outboard of described diapire 3 51 is provided with the screw thread 4 54 that coordinates described screw thread 1.
Further with improvement, described body portion also has radiating tube 34, described radiating tube 34 upper end closeds and lower end is connected with described diapire 1, described radiating tube 34 is coaxial with described sidewall 1, and described diapire one 31 circle centre positions are provided with the hollow out circular hole that radius is less than or equal to described radiating tube 34 internal diameters.Again further with improvement, the internal diameter of described sidewall 3 52 is greater than the annular internal diameter of described diapire 3 51, and described radiating tube 34 upper end outer walls are provided with screw thread 5 35, and the annular inboard of described diapire 3 51 is provided with the screw thread 6 55 that coordinates described screw thread 5 35.Further with improvement, described diapire 3 51 is provided with two for connecting respectively the conductor patch 1 of film fuse 1 positive and negative electrode, described diapire 3 51 is provided with two conductor fairleads 1, two described conductor fairleads 1 are all positioned at the inner side of described sidewall 3 52, two described conductor patch 1 be respectively arranged with cover two described conductor fairlead one 57 inwalls electrically contact rib 1.
Further with improvement, described head also has the conductive supporting plate 6 of round pie, the upper surface of described conductive supporting plate 6 is provided with two for connecting respectively the conductor patch 2 61 of two leading-out terminals 2, described conductive supporting plate 6 be provided with 2 62, two described conductor patch 2 61 of conductor fairlead that two positions correspond respectively to two described conductor fairleads 1 be respectively arranged with cover two described conductor fairlead 2 62 inwalls electrically contact rib 2 63.Further, between described conductor patch 1 and described conductor patch 2 61, be electrically connected by conductive pole 7, and described conductive pole 7 upper ends are arranged in described conductor fairlead 2 62, described conductive pole 7 lower ends are arranged in described conductor fairlead 1.
Pillared coiling film fuse 1 is put in described body portion, and the hollow bulb 11 of described film fuse 1 is sleeved on described radiating tube 34, by wire or conductor piece, the positive and negative electrode of film fuse 1 12 is caused to the upper end of film fuse 1; Described neck is covered in described body portion, again described head is covered on described neck, the lower end of described conductive pole 7 is inserted in described conductor fairlead 1, put into described conductive supporting plate 6 and make the upper end of described conductive pole 7 insert described conductor fairlead 2 62, leading-out terminal 2 is finally installed.Described structure makes the anchor ring of described film fuse 1 upper end the same as with the anchor ring of described film fuse 1 lower end shell, thereby air or other filled medias between two anchor rings and the shell of described film fuse 1 upper and lower end are reduced, because air or other filled medias have warming heat insulation side effect, therefore reduce air or other filled medias and can effectively improve the radiating effect of film capacitor; In addition, the hollow bulb 11 heat radiation difficulties of described film fuse 1 inner side, therefore heat is gathered in herein in a large number, at the hollow bulb 11 of described film fuse 1 inner side, the radiating effect that radiating tube 34 contributes to improve this position is set.And overall structure is easy to assembly, without weld job, each assembly is the combining structure of sheet and tubular, is therefore easy to processing.
Above content is the detailed description of in conjunction with specific embodiments the utility model being done, and can not assert that the concrete enforcement of the utility model only limits to these explanations.For the utility model person of ordinary skill in the field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to the scope of the utility model protection.
Claims (6)
1. a heat-dissipating casing for film capacitor, is characterized in that, comprising:
One for placing the tubular body portion of film fuse (1), described body portion has the sidewall one (32) of circular diapire one (31) and tubulose, the edge of described diapire one (31) is connected with the lower end of described sidewall one (32), and the upper end inwall of described sidewall one (32) is provided with screw thread one (33);
The one tubular head for fixed terminal (2), described head has the sidewall two (42) of annular diapire two (41) and tubulose, the lower end of described sidewall two (42) is connected with the annular outboard edge of described diapire two (41), and the annular inboard of described diapire two (41) is provided with screw thread two (43);
One for connecting the neck of described body portion and described head, described neck has the sidewall three (52) of annular diapire three (51) and tubulose, the lower end of described sidewall three (52) is coaxially connected with described diapire three (51), and the external diameter of described sidewall three (52) is less than the annular external diameter of described diapire three (51), the upper end outer wall of described sidewall three (52) is provided with the screw thread three (53) that coordinates described screw thread two (43), and the annular outboard of described diapire three (51) is provided with the screw thread four (54) that coordinates described screw thread one (33).
2. the heat-dissipating casing of a kind of film capacitor as claimed in claim 1, it is characterized in that, described body portion also has radiating tube (34), described radiating tube (34) upper end closed and lower end is connected with described diapire one (31), described radiating tube (34) is coaxial with described sidewall one (32), and described diapire one (31) circle centre position is provided with the hollow out circular hole that radius is less than or equal to described radiating tube (34) internal diameter.
3. the heat-dissipating casing of a kind of film capacitor as claimed in claim 2, it is characterized in that, the internal diameter of described sidewall three (52) is greater than the annular internal diameter of described diapire three (51), described radiating tube (34) upper end outer wall is provided with screw thread five (35), and the annular inboard of described diapire three (51) is provided with the screw thread six (55) that coordinates described screw thread five (35).
4. the heat-dissipating casing of a kind of film capacitor as claimed in claim 3, it is characterized in that, described diapire three (51) is provided with two for connecting respectively the conductor patch one (56) of film fuse (1) positive and negative electrode, described diapire three (51) is provided with two conductor fairleads one (57), two described conductor fairleads one (57) are all positioned at the inner side of described sidewall three (52), two described conductor patch one (56) be respectively arranged with cover two described conductor fairlead one (57) inwalls electrically contact rib one (58).
5. the heat-dissipating casing of a kind of film capacitor as claimed in claim 4, it is characterized in that, described head also has the conductive supporting plate (6) of round pie, the upper surface of described conductive supporting plate (6) is provided with two for connecting respectively the conductor patch two (61) of two leading-out terminals (2), described conductive supporting plate (6) is provided with two positions and corresponds respectively to the conductor fairlead two (62) of two described conductor fairleads one (57), two described conductor patch two (61) be respectively arranged with cover two described conductor fairlead two (62) inwalls electrically contact rib two (63).
6. the heat-dissipating casing of a kind of film capacitor as claimed in claim 5, it is characterized in that, between described conductor patch one (56) and described conductor patch two (61), be electrically connected by conductive pole (7), and described conductive pole (7) upper end is arranged in described conductor fairlead two (62), described conductive pole (7) lower end is arranged in described conductor fairlead one (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320847664.2U CN203706879U (en) | 2013-12-21 | 2013-12-21 | Heat dissipation shell of thin film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320847664.2U CN203706879U (en) | 2013-12-21 | 2013-12-21 | Heat dissipation shell of thin film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706879U true CN203706879U (en) | 2014-07-09 |
Family
ID=51057281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320847664.2U Withdrawn - After Issue CN203706879U (en) | 2013-12-21 | 2013-12-21 | Heat dissipation shell of thin film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680948A (en) * | 2013-12-21 | 2014-03-26 | 铜陵源丰电子有限责任公司 | Heat dissipation shell of thin film capacitor |
| CN106449095A (en) * | 2016-09-30 | 2017-02-22 | 安徽鑫利源电子有限公司 | Metallic film capacitor heat radiation shell |
-
2013
- 2013-12-21 CN CN201320847664.2U patent/CN203706879U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680948A (en) * | 2013-12-21 | 2014-03-26 | 铜陵源丰电子有限责任公司 | Heat dissipation shell of thin film capacitor |
| CN103680948B (en) * | 2013-12-21 | 2016-04-13 | 铜陵源丰电子有限责任公司 | A kind of heat-dissipating casing of film capacitor |
| CN106449095A (en) * | 2016-09-30 | 2017-02-22 | 安徽鑫利源电子有限公司 | Metallic film capacitor heat radiation shell |
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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 |
Granted publication date: 20140709 Termination date: 20141221 |
|
| EXPY | Termination of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |