CN203760322U - Microwave oven thin film electric capacitor - Google Patents
Microwave oven thin film electric capacitor Download PDFInfo
- Publication number
- CN203760322U CN203760322U CN201420077823.XU CN201420077823U CN203760322U CN 203760322 U CN203760322 U CN 203760322U CN 201420077823 U CN201420077823 U CN 201420077823U CN 203760322 U CN203760322 U CN 203760322U
- Authority
- CN
- China
- Prior art keywords
- cover plate
- capacitor core
- insulation cover
- microwave oven
- metal shell
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 54
- 239000010409 thin film Substances 0.000 title abstract 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 239000000565 sealant Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 abstract description 7
- 229920003023 plastic Polymers 0.000 abstract description 7
- 239000007769 metal material Substances 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 2
- 239000000047 product Substances 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model relates to a microwave oven thin film electric capacitor comprising a metal outer shell, an electric capacitor core, a discharge resistor, an insulation cover plate, wire connecting terminals and terminal insulation sleeves. The electric capacitor core and the discharge resistor are connected in parallel and are arranged at the bottom part of the insulation cover plate, the wire connecting terminals are arranged on the top part of the insulation cover plate and are electrically connected with the electric capacitor core and the discharge resistor, the terminal insulation sleeves are arranged at the outer circumferences of the wire connecting terminals, the top part of the metal outer shell is open, the inner wall of the metal outer shell is provided with supporting protrusions which are arranged close to the open top part, the insulation cover plate is supported by the supporting protrusions, and the inner part of the metal outer shell is filled with a heat conducting and explosion proof layer; the electric capacitor core, the discharge resistor and the insulation cover plate are packaged in the metal outer shell through the heat conducting and explosion proof layer. According to the microwave oven thin film capacitor, the outer shell is made of a metal material, a high heat conduction coefficient is realized, heat can be dissipated timely, product performance can be improved, and the flame retardation problem of plastic outer shells of microwave oven thin film capacitors used in current markets can be greatly alleviated.
Description
Technical field
The utility model relates to capacitor technology field, particularly a kind of microwave oven film capacitor with metal shell.
Background technology
Microwave oven film capacitor is the widely used a kind of discrete electronic component of microwave oven electrical apparatus industry, its the most general structure is oily formula paper capacitor, or by epoxy resin injection to being equipped with in the plastic casing of capacitor body, fuse is to be reeled and formed by metallized organic film, fuse both ends of the surface evaporation has the coat of metal, and wire is connected with the coat of metal.Epoxy resin is sealed in fuse in plastic casing through solidifying of certain hour.Plastic casing, heat radiation is slow, and poor thermal conductivity is more difficultly accomplished completely fire-retardantly, and fail safe has much room for improvement.Epoxy resin thermal conductivity is poor, more difficultly accomplish explosion-proofly, do not fire, along with the continuous maturation in market and competition, the architecture advances of microwave oven metallic film capacitor is imperative, produces the problem that the high product of safe and reliable cost performance again becomes Ge Jia manufacturer primary study.
Utility model content
It is a kind of simple and reasonable for structure that the purpose of this utility model is to provide, and good heat dissipation effect, the microwave oven film capacitor that anti-flammability is strong, high temperature resistant, explosion-proof, safe and reliable, the life-span is long, to overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that
A kind of microwave oven film capacitor, comprise metal shell, capacitor core, discharge resistance, insulation cover plate, binding post and terminal insulating case, capacitor core and discharge resistance are connected in parallel, and be arranged on bottom insulation cover plate, binding post is arranged on insulation cover plate top, and be electrically connected with capacitor core and discharge resistance, terminal insulating case is arranged on binding post periphery, it is characterized in that: described metal shell top is opened wide, metal shell inwall opens wide place near top and is provided with supporting convex, insulation cover plate is carried on supporting convex, in metal shell, be filled with heat conduction explosion-proof layer, capacitor core, discharge resistance and insulation cover plate are encapsulated in metal shell by heat conduction explosion-proof layer.
The purpose of this utility model can also adopt following technical measures to solve:
As scheme more specifically, described metal shell inner surface and outer surface all plate dielectric film.Dielectric film has guaranteed to insulate between metal shell and capacitor core and between metal shell and air, improves its fail safe.
Described capacitor core is reeled and to be formed by metallized organic film, and capacitor core both ends of the surface are provided with evaporation metal coating electrode, and evaporation metal coating electrode is by drawing wire and binding post is electrically connected.
Described capacitor core is provided with sealant outward, and sealant is wrapped in capacitor core outer surface.Sealant is made by special seal material, and it spreads upon around capacitor core, guarantees capacitor core sealing completely around, then can be toward embedding heat conduction explosion-proof lamp in metal shell, the solid rear formation heat conduction explosion-proof layer of heat conduction explosion-proof lamp.
The beneficial effects of the utility model are as follows:
(1) shell of this kind of microwave oven film capacitor adopts metal material to make, conductive coefficient is high, heat can be shed in time, enhance product performance, greatly improved the fire-retardant problem of microwave oven film capacitor plastic casing of using on present market, improve the safety and reliability of product, and more attractive and durable, can better meet the high microwave oven of safety requirements is used;
(2) in metal shell, be filled with heat conduction explosion-proof layer, capacitor core, discharge resistance and insulation cover plate are encapsulated in metal shell by heat conduction explosion-proof layer, heat conduction explosion-proof layer can the very fast caloric value by product itself be delivered on metal shell, then by very fast heat is shed in time of metal shell, make the explosion-proof of product, safety and reliability higher;
(3) capacitor core and discharge resistance pack into after metal shell, insulation cover plate is carried on the supporting convex on metal shell top, realize Primary Location, its technique is simple, then the metal shell that capacitor core, discharge resistance and insulation cover plate are housed is put in feeding machine mould, from gap location filling heat-conductive explosion-proof lamp between metal shell and insulation cover plate, until explosion-proof lamp is full of metal shell top open part, formation heat conduction explosion-proof layer after heat conduction explosion-proof lamp is solid; After embedding completes, product also needs to detect through withstand voltage, loss angle and insulation resistance.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram.
Fig. 2 is the utility model side structure schematic diagram.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 2.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Referring to shown in Fig. 1 to Fig. 3, a kind of microwave oven film capacitor, comprise metal shell 1, capacitor core 5, discharge resistance 6, insulation cover plate 7, binding post 4 and terminal insulating case 3, capacitor core 5 and discharge resistance 6 are connected in parallel, and be arranged on insulation cover plate 7 bottoms, binding post 4 is arranged on insulation cover plate 7 tops, and be electrically connected with capacitor core 5 and discharge resistance 6, terminal insulating case 3 is arranged on binding post 4 peripheries, described metal shell 1 top is opened wide, metal shell 1 inwall opens wide place near top and is provided with supporting convex 11, insulation cover plate 7 is carried on supporting convex 11, in metal shell 1, be filled with heat conduction explosion-proof layer 2, capacitor core 5, discharge resistance 6 and insulation cover plate 7 are encapsulated in metal shell 1 by heat conduction explosion-proof layer 2.
Described supporting convex 11 is formed toward interior punching press from outer from metal shell 1.
Described metal shell 1 inner surface and outer surface all plate dielectric film 12.
Described capacitor core 5 is reeled and is formed by metallized organic film, and capacitor core 5 both ends of the surface are provided with evaporation metal coating electrode, and evaporation metal coating electrode is electrically connected with binding post 4 by drawing wire 52.Described organic film includes but not limited to polyester film and polypropylene film, and organic film thickness is between 0.001 to 0.02mm.The described coat of metal includes but not limited to aluminium, silver, zinc or allumen, and metal layer thickness is between 0.03 to 0.2 μ m.
The described wire 52 of drawing is for surperficial copper cash or the copper sheet that is provided with insulating barrier 53.Described insulating barrier 53 includes but not limited to PU material, and thickness is between 10 to 20 μ m.
Described capacitor core 5 is outer is also provided with sealant 51, and sealant 51 is wrapped in capacitor core 5 outer surfaces.
Described metal shell 1 includes but not limited to aluminium shell and alloy shell thereof, and metal shell 1 thickness is between 0.4 to 0.6mm.
The material of described heat conduction explosion-proof layer 2 includes but not limited to epoxy resin, plastics, heat-conducting plastic, PUR and heat conduction casting glue.
The above specific embodiment, is only preferred embodiment of the present utility model, and the impartial design variation of such as doing according to the utility model claim, all should be the utility model technology and contain.
Claims (4)
1. a microwave oven film capacitor, comprise metal shell, capacitor core, discharge resistance, insulation cover plate, binding post and terminal insulating case, capacitor core and discharge resistance are connected in parallel, and be arranged on bottom insulation cover plate, binding post is arranged on insulation cover plate top, and be electrically connected with capacitor core and discharge resistance, terminal insulating case is arranged on binding post periphery, it is characterized in that: described metal shell top is opened wide, metal shell inwall opens wide place near top and is provided with supporting convex, insulation cover plate is carried on supporting convex, in metal shell, be filled with heat conduction explosion-proof layer, capacitor core, discharge resistance and insulation cover plate are encapsulated in metal shell by heat conduction explosion-proof layer.
2. microwave oven film capacitor according to claim 1, is characterized in that: described metal shell inner surface and outer surface all plate dielectric film.
3. microwave oven film capacitor according to claim 1, it is characterized in that: described capacitor core is reeled and formed by metallized organic film, capacitor core both ends of the surface are provided with evaporation metal coating electrode, and evaporation metal coating electrode is by drawing wire and binding post is electrically connected.
4. microwave oven film capacitor according to claim 3, is characterized in that: described capacitor core is provided with sealant outward, and sealant is wrapped in capacitor core outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077823.XU CN203760322U (en) | 2014-02-24 | 2014-02-24 | Microwave oven thin film electric capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077823.XU CN203760322U (en) | 2014-02-24 | 2014-02-24 | Microwave oven thin film electric capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760322U true CN203760322U (en) | 2014-08-06 |
Family
ID=51255567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077823.XU Expired - Lifetime CN203760322U (en) | 2014-02-24 | 2014-02-24 | Microwave oven thin film electric capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760322U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022753A (en) * | 2017-09-30 | 2018-05-11 | 珠海格力新元电子有限公司 | Capacitor |
| CN109036848A (en) * | 2018-08-29 | 2018-12-18 | 广东明路电力电子有限公司 | Micro-wave oven capacitor |
-
2014
- 2014-02-24 CN CN201420077823.XU patent/CN203760322U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022753A (en) * | 2017-09-30 | 2018-05-11 | 珠海格力新元电子有限公司 | Capacitor |
| CN108022753B (en) * | 2017-09-30 | 2024-02-09 | 珠海格力新元电子有限公司 | Capacitor with a capacitor body |
| CN109036848A (en) * | 2018-08-29 | 2018-12-18 | 广东明路电力电子有限公司 | Micro-wave oven capacitor |
| CN109036848B (en) * | 2018-08-29 | 2024-01-09 | 广东明路电力电子有限公司 | Capacitor of microwave oven |
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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: 20191219 Address after: 528300 Third Floor, Ming Road Industrial Park, No. 6 North Xinxi Third Road, Lunjiao Xiyong Village Committee, Shunde District, Foshan City, Guangdong Province Patentee after: FOSHAN KONGXING MATERIAL APPLICATION RESEARCH INSTITUTE Co.,Ltd. Address before: Shunde District Lunjiao Lunjiao Street industrial zone three northbound 528300 new Xi Guangdong province Foshan City No. 6 Ming Road Industrial Park Patentee before: GUANGDONG MENLO ELECTRIC POWER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |