CN202695141U - Low-energy capacitor - Google Patents
Low-energy capacitor Download PDFInfo
- Publication number
- CN202695141U CN202695141U CN 201220373557 CN201220373557U CN202695141U CN 202695141 U CN202695141 U CN 202695141U CN 201220373557 CN201220373557 CN 201220373557 CN 201220373557 U CN201220373557 U CN 201220373557U CN 202695141 U CN202695141 U CN 202695141U
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- welding
- energy consumption
- low energy
- lead
- capacitor
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Abstract
The utility model belongs to the technical field of capacitors, and particularly relates to a low-energy capacitor. The low-energy capacitor comprises a lead and a capacitor core; spray-welding coatings are arranged at two end faces of the capacitor core; the lead comprises a welding end and an extending end; and the welding end is fixed on each spray-welding coating and is of a flat shape. According to the low-energy capacitor, the welding end of the lead is arranged into the flat shape, so that the welding depth is reduced; the contact area of the spray-welding coatings and the lead is enlarged; the welding effect of the spray-welding coatings and the lead is better; and the contact resistance between the spray-welding coatings and the lead is reduced, so as to achieve the purpose of reducing the loss of a product.
Description
Technical field
The utility model belongs to the capacitor technology field, particularly a kind of low energy consumption capacitor.
Background technology
Capacitor is one of primary element in the electronic circuit, has important and purposes widely.Along with being widely used of electronic product, the performance of capacitor has also been proposed more and more higher requirement, low energy consumption is exactly a requirement the most basic to capacitor.Loss (DF) is an important pointer weighing the capacitor quality, and loss is larger, and heating is more serious, consumes electric energy just the more.
At present, mainly be to reduce condenser loss by reducing the impedance of dielectric material own, but the contact resistance of lead-in wire and spray-welding coating is still bigger than normal, so that the loss of the capacitor of producing can not effectively reduce.
Summary of the invention
The purpose of this utility model is to provide a kind of and flattens the low energy consumption capacitor that the contact area that strengthens spray-welding coating and lead-in wire reaches the loss of damage reduction product by pin.
For achieving the above object, the utility model adopts following technical proposals: a kind of low energy consumption capacitor, comprise lead-in wire, capacitor core, the both ends of the surface of described capacitor core are provided with spray-welding coating, described lead-in wire comprises welding ends and extended end, and described welding ends is fixed in described spray-welding coating, and described welding ends is flat.
Wherein, described capacitor core is formed by metallizing film winding, and described metalized film comprises organic film and the coat of metal that is attached on the organic film.
Wherein, described organic film is polypropylene film, and the described coat of metal is zinc aluminum alloy coating, and described zinc aluminum alloy coating is provided with zinc and adds webbing.
Wherein, the sheet resistance of described zinc aluminum alloy coating is the every side of 5.5-9.5 ohm, and the sheet resistance that described zinc adds webbing is the every side of 1-2 ohm.
Wherein, the edge of described metalized film is provided with the insulation safety limit.
Wherein, the thickness on described insulation safety limit is 1-5mm.
Wherein, described lead-in wire is CP wire.
Further, it also comprises the electric capacity plastic box, and described capacitor core is arranged in the described electric capacity plastic box.
Wherein, be provided with epoxy resin layer between described capacitor core and the described electric capacity plastic box.
The beneficial effects of the utility model: this kind low energy consumption capacitor, comprise lead-in wire, capacitor core, the both ends of the surface of capacitor core are provided with spray-welding coating, lead-in wire comprises welding ends and extended end, welding ends is fixed in spray-welding coating, welding ends is flat, the welding ends of the utility model lead-in wire is set to flat, reduced the depth of weld, strengthened the contact area of spray-welding coating and lead-in wire, made spray-welding coating better with lead-in wire welding effect, contact resistance between spray-welding coating and the lead-in wire reduces, thereby reaches the purpose that reduces the product loss.
Description of drawings
Fig. 1 is the generalized section of the utility model finished product.
Fig. 2 is the structural representation of the utility model lead-in wire and spray-welding coating.
Fig. 3 is the structural representation behind the utility model capacitor core surfacing.
Reference numeral:
1-lead-in wire
11-welding ends, 12-extended end
2-capacitor core
21-organic film, 22-coat of metal, 23-insulation safety limit
3---spray-welding coating
4---the electric capacity plastic box
5---epoxy resin layer.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
See Fig. 1-3, a kind of low energy consumption capacitor, comprise lead-in wire 1, capacitor core 2, the both ends of the surface of capacitor core 2 are provided with spray-welding coating 3, lead-in wire 1 comprises welding ends 11 and extended end 12, welding ends 11 is fixed in spray-welding coating 3, and welding ends 11 is flat, and the degree of flattening is 30% ~ 50% of former diameter of wire, the design of flat has strengthened the contact area of spray-welding coating 3 with lead-in wire 1, make spray-welding coating 3 better with lead-in wire 1 welding effect, reduced the depth of weld of lead-in wire, alleviated the impact of welding on the electric capacity body, so that spray-welding coating 3 and the contact resistance that goes between between 1 reduce, thereby reach the purpose that reduces the product loss.
The edge of metalized film is provided with insulation safety limit 23, the thickness on insulation safety limit 23 is 1-5mm, insulation safety limit 23 is blank organic films 21, the above is plating coating 22 not, after curling into capacitor core 2, metalized film can prevent effectively that 22 contacts of adjacent double layer of metal coating from causing short circuit, improved the safety in utilization of capacitor greatly.
Lead-in wire 1 is CP wire 1, has reduced to a great extent the loss of capacitor self, makes it have good electric conductivity, has greatly reduced the caloric value of capacitor itself, thereby has promoted the useful life of capacitor.
Spray-welding coating 3 comprises zinc layer and the red brass layer that is set in turn in capacitor core 2 end faces, the thickness of zinc layer is 0.15-0.25 mm, the thickness of red brass layer is 0.1-0.2mm, the fusing point of red brass layer is low, be easy to welding, can alleviate welding process to the infringement of capacitor core 2 end faces, also can reduce the contact resistance between spray-welding coating 3 and capacitor core 2 end faces.
It also comprises electric capacity plastic box 4, capacitor core 2 is arranged in the electric capacity plastic box 4, so that the more general capacitor of robustness of the present utility model, sealing and flame retardant effect is all good, be provided with epoxy resin layer 5 between capacitor core 2 and the electric capacity plastic box 4, epoxy resin layer 5 can make the better tightness of capacitor core 2 and electric capacity plastic box 4.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of this practicality protection range; although with reference to preferred embodiment the utility model is described in detail; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (9)
1. a low energy consumption capacitor comprises lead-in wire, capacitor core, and the both ends of the surface of described capacitor core are provided with spray-welding coating, and described lead-in wire comprises welding ends and extended end, and described welding ends is fixed in described spray-welding coating, it is characterized in that: described welding ends is flat.
2. low energy consumption capacitor according to claim 1, it is characterized in that: described capacitor core is formed by metallizing film winding, and described metalized film comprises organic film and is attached to the coat of metal on the organic film.
3. low energy consumption capacitor according to claim 2, it is characterized in that: described organic film is polypropylene film, and the described coat of metal is zinc aluminum alloy coating, and described zinc aluminum alloy coating is provided with zinc and adds webbing.
4. low energy consumption capacitor according to claim 3, it is characterized in that: the sheet resistance of described zinc aluminum alloy coating is the every side of 5.5-9.5 ohm, the sheet resistance that described zinc adds webbing is the every side of 1-2 ohm.
5. low energy consumption capacitor according to claim 2, it is characterized in that: the edge of described metalized film is provided with the insulation safety limit.
6. low energy consumption capacitor according to claim 5, it is characterized in that: the thickness on described insulation safety limit is 1-5mm.
7. low energy consumption capacitor according to claim 1, it is characterized in that: described lead-in wire is CP wire.
8. low energy consumption capacitor according to claim 1, it is characterized in that: also comprise the electric capacity plastic box, described capacitor core is arranged in the described electric capacity plastic box.
9. low energy consumption capacitor according to claim 8 is characterized in that: be provided with epoxy resin layer between described capacitor core and the described electric capacity plastic box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373557 CN202695141U (en) | 2012-07-31 | 2012-07-31 | Low-energy capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220373557 CN202695141U (en) | 2012-07-31 | 2012-07-31 | Low-energy capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695141U true CN202695141U (en) | 2013-01-23 |
Family
ID=47550723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220373557 Expired - Fee Related CN202695141U (en) | 2012-07-31 | 2012-07-31 | Low-energy capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124015A (en) * | 2013-04-27 | 2014-10-29 | 宁波市江北振华电子有限公司 | Production process of capacitor element of electricity meter |
| CN105525249A (en) * | 2016-02-04 | 2016-04-27 | 南通成晟电子实业有限公司 | Metal spraying process for metallized film capacitor |
| CN110896000A (en) * | 2018-08-24 | 2020-03-20 | 东莞市成东电子科技有限公司 | Welding process of thin film capacitor |
-
2012
- 2012-07-31 CN CN 201220373557 patent/CN202695141U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124015A (en) * | 2013-04-27 | 2014-10-29 | 宁波市江北振华电子有限公司 | Production process of capacitor element of electricity meter |
| CN105525249A (en) * | 2016-02-04 | 2016-04-27 | 南通成晟电子实业有限公司 | Metal spraying process for metallized film capacitor |
| CN110896000A (en) * | 2018-08-24 | 2020-03-20 | 东莞市成东电子科技有限公司 | Welding process of thin film capacitor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20200731 |