CN205122395U - Coiling is at insulating epaxial compound medium high voltage capacitor - Google Patents
Coiling is at insulating epaxial compound medium high voltage capacitor Download PDFInfo
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- CN205122395U CN205122395U CN201520999928.5U CN201520999928U CN205122395U CN 205122395 U CN205122395 U CN 205122395U CN 201520999928 U CN201520999928 U CN 201520999928U CN 205122395 U CN205122395 U CN 205122395U
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Abstract
The utility model discloses a coiling is at insulating epaxial compound medium high voltage capacitor, the the capacitor coiling is insulating epaxial, and draw forth through electric capacity at the the capacitor both ends, the both ends middle part of insulating axle all is equipped with circular recess, is equipped with the internal thread on the inner wall of recess, installs the metal connection post in the recess, is equipped with the external screw thread on the outer wall of its metal connection post, the internal thread phase -match of its external screw thread and recess, the capacitor is convoluteed by compound dielectric material layer and both -sided metallized membrane, in the embedment packing in embedment layer for the face of the capacitor both ends, the electric capacity lead wire is connected with metal connection post electricity. The utility model discloses a compound medium high voltage capacitor owing to adopting at insulating off -axial around system the capacitor, in the embedment packing in embedment layer for the face of the capacitor both ends, wraps up pressure sensitive tape outside the capacitor, consequently need not ceramic pipe and oiling. The utility model has the advantages of simple structure, technology is simple and convenient, the cost of manufacture is low, and the withstand voltage degree of condenser is also being shown to be improved, has ensured the quality of product.
Description
Technical field
The utility model relates to a kind of electronic component, relates to a kind of composite-dielectric high-voltage capacitor be wound on shaft insulation specifically.
Background technology
At present, composite-dielectric high-voltage capacitor mainly adopts paper, film Combined roll is coiled into capacitor core, and then the series of process such as dipping, drying, vacuum, is assemblied in capacitor core in ceramic pipe under vacuum conditions, and at high temperature inject oil, finally carry out hermetically sealed.Workmanship due to ceramic pipe is difficult to meet the demands, and causes not withstand voltage, thus impact to voltage electric capacity is withstand voltage, also easily causes the problems such as capacitance is unstable, security and stability is poor simultaneously; In addition, because the oil level in ceramic pipe is not enough, the withstand voltage reduction of high-voltage capacitance is also usually caused.
Summary of the invention
The purpose of this utility model is to provide a kind of composite-dielectric high-voltage capacitor be wound on shaft insulation, effectively to overcome above-mentioned the deficiencies in the prior art.
To achieve these goals, the technical solution adopted in the utility model is: a kind of composite-dielectric high-voltage capacitor be wound on shaft insulation, capacitor core is wound on shaft insulation, capacitor core two ends are drawn by capacitance leading wire, be equipped with circular groove in the middle part of the two ends of described shaft insulation, the inwall of groove is provided with internal thread, metal connection post is installed in groove, the outer wall of its metal connection post is provided with external screw thread, and the internal thread of its external screw thread and groove matches; Described capacitor core is wound into by composite dielectric materials layer and two-sided metallization film, fills in the embedding layer embedding of capacitor core both ends of the surface; Described capacitance leading wire is electrically connected with metal connection post.
Preferably, described capacitor core is wrapped with pressure sensitive adhesive tape.
Further, described metal connection post is stud, and metal connection post is also configured with nut.
Further, described embedding layer is epoxy resin cure layer.
Further, described capacitance leading wire is made up of copper material, and its appearance is provided with insulating jacket layer.
Adopt the utility model of the technical program, its beneficial effect is: composite-dielectric high-voltage capacitor of the present utility model, owing to adopting at the peripheral coiling capacitor core of shaft insulation, fill in the embedding layer embedding of capacitor core both ends of the surface, at capacitor core outer wrapping pressure sensitive adhesive tape, therefore without the need to ceramic pipe and oiling.Structure of the present utility model is simple, simple process, cost of manufacture are low, and the withstand voltage degree of capacitor is also significantly improved, and ensure that the quality of product.
Accompanying drawing explanation
Fig. 1 is profile construction schematic diagram of the present utility model;
Number in the figure: 1, shaft insulation; 2, metal connection post; 3, capacitor core; 4, capacitance leading wire; 5, pressure sensitive adhesive tape; 6, embedding layer; 11, groove; 21, external screw thread; 22, nut; 41, insulating jacket layer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, composite-dielectric high-voltage capacitor of the present utility model, capacitor core 3 is wound on shaft insulation 1, capacitor core 3 two ends are drawn by capacitance leading wire 4, be equipped with circular groove 11 in the middle part of the two ends of described shaft insulation 1, the inwall of groove 11 is provided with internal thread, metal connection post 2 is installed in groove 11, the outer wall of its metal connection post 2 is provided with external screw thread 21, and its external screw thread 21 matches with the internal thread of groove 11; Described capacitor core 3 is wound into by composite dielectric materials layer and two-sided metallization film, fills in embedding layer 6 embedding of capacitor core 3 both ends of the surface; Described capacitance leading wire 4 is electrically connected with metal connection post 2.Described capacitor core 3 is wrapped with pressure sensitive adhesive tape 5.Described metal connection post 2 is stud, and metal connection post 2 is also configured with nut 22.Described embedding layer 6 is epoxy resin cure layer.Described capacitance leading wire 4 is made up of copper material, and its appearance is provided with insulating jacket layer 41.
In actual fabrication process, its shaft insulation 1 can adopt nylon rod or other insulating material, between its shaft insulation 1, section can be carefully, this needs according to determining the requirement of capacitor, the large I at its shaft insulation 1 two ends is determined according to the thickness of metal connection post 2 or selects, and does not specifically just repeat at this.
Above are only a kind of embodiment of the present utility model, not in order to limit the utility model, all any amendments done within spirit of the present utility model and principle are equivalent to be replaced and improves, and all should be included within protection range of the present utility model.
Claims (5)
1. one kind is wound on the composite-dielectric high-voltage capacitor on shaft insulation, capacitor core is wound on shaft insulation, capacitor core two ends are drawn by capacitance leading wire, it is characterized in that: in the middle part of the two ends of described shaft insulation, be equipped with circular groove, the inwall of groove is provided with internal thread, in groove, be provided with metal connection post, the outer wall of its metal connection post is provided with external screw thread, and the internal thread of its external screw thread and groove matches; Described capacitor core is wound into by composite dielectric materials layer and two-sided metallization film, fills in the embedding layer embedding of capacitor core both ends of the surface; Described capacitance leading wire is electrically connected with metal connection post.
2. the composite-dielectric high-voltage capacitor be wound on shaft insulation according to claim 1, is characterized in that: described capacitor core is wrapped with pressure sensitive adhesive tape.
3. the composite-dielectric high-voltage capacitor be wound on shaft insulation according to claim 1, is characterized in that: described metal connection post is stud, and metal connection post is also configured with nut.
4. the composite-dielectric high-voltage capacitor be wound on shaft insulation according to claim 1, is characterized in that: described embedding layer is epoxy resin cure layer.
5. the composite-dielectric high-voltage capacitor be wound on shaft insulation according to claim 1, it is characterized in that: described capacitance leading wire is made up of copper material, its appearance is provided with insulating jacket layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999928.5U CN205122395U (en) | 2015-12-07 | 2015-12-07 | Coiling is at insulating epaxial compound medium high voltage capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999928.5U CN205122395U (en) | 2015-12-07 | 2015-12-07 | Coiling is at insulating epaxial compound medium high voltage capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122395U true CN205122395U (en) | 2016-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520999928.5U Active CN205122395U (en) | 2015-12-07 | 2015-12-07 | Coiling is at insulating epaxial compound medium high voltage capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205122395U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808166A (en) * | 2019-11-28 | 2020-02-18 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN115223795A (en) * | 2022-09-19 | 2022-10-21 | 陕西四方华能电气设备有限公司 | Composite dielectric high-voltage capacitor and corresponding distribution network series compensation device |
-
2015
- 2015-12-07 CN CN201520999928.5U patent/CN205122395U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808166A (en) * | 2019-11-28 | 2020-02-18 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN110808166B (en) * | 2019-11-28 | 2021-06-22 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN115223795A (en) * | 2022-09-19 | 2022-10-21 | 陕西四方华能电气设备有限公司 | Composite dielectric high-voltage capacitor and corresponding distribution network series compensation device |
| CN115223795B (en) * | 2022-09-19 | 2022-12-20 | 陕西四方华能电气设备有限公司 | Composite dielectric high-voltage capacitor and corresponding distribution network series compensation device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |