CN2152287Y - Internal series film composite capacitor - Google Patents
Internal series film composite capacitor Download PDFInfo
- Publication number
- CN2152287Y CN2152287Y CN 93204360 CN93204360U CN2152287Y CN 2152287 Y CN2152287 Y CN 2152287Y CN 93204360 CN93204360 CN 93204360 CN 93204360 U CN93204360 U CN 93204360U CN 2152287 Y CN2152287 Y CN 2152287Y
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- film
- aluminium foil
- utility
- model
- capacitance
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- Expired - Fee Related
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Abstract
The utility model relates to a film composite capacitor used in intermediate frequency (300-5000 hz) and high-pressure (0.5-1.5 kv) circuits for improving power factor and raising the efficiency of power-driven equipment. The technical proposal of the utility model is characterized in the adoption of two different conductors of capacitor electrode of aluminium foil and metallized film, wherein, the aluminium foil is divided into two independent conductors in the composite film and extended to form terminals, two series in the capacitance are achieved through the metallized film, and the surfaces of the terminals are sprayed with solder of low melting point. The utility model has the advantages of small capacitance volume, low cost, simple production process, wide range of application, high withstand voltage, small inside damage, etc., which can achieve natural cooling and save water cycle cooling completely in dry circuits.
Description
The utility model relates to a kind of film complex capacitance device, in intermediate frequency (300-5000HZ), high pressure (0.5-1.5KV) circuit, is used to improve power factor, improves the efficiency of power-driven equipment.
Existing film complex capacitance is the mode of the compound folder aluminium foil of paper film, generally adopts four layer capacitor paper, two layers of polypropylene light film and two-layer aluminium foil coiling capacitor body.This electric capacity is because the dielectric strength of paper is low, on the make must sandwich construction, cause that volume is big, impregnation process requires to adopt the vacuum degree height, the time is long, and product exists cost height, materials deficiency how.
Task of the present utility model is by changing the composite membrane material and the structure of existing film complex capacitance, reaching little, the withstand voltage height of electric capacity volume, be suitable for the purpose that frequency range is wide, product cost is low.
It is the capacitance electrode conductor that composite membrane of the present utility model adopts aluminium foil and metalized film, and with plastics light film as deielectric-coating with two conductor isolated insulations, it is characterized in that separated slit in the aluminium foil, form two independent conductors films, other deielectric-coating and metalized film all are longer than in aluminium foil two outer ends, whole composite membrane is wound on the capacitance core pipe, and aluminium foil two outer end prolongations form capacitor terminal, and whole capacitor is by the internal series-connection of metalized film at the inner formation of electric capacity two electric capacity.
Above-mentioned plastic medium film can be a polypropylene light film, can spray paint with eutectic solder on the electric capacity two aluminium foil terminal surfaces, is convenient to terminal and contacts good with lead-in wire.
Because this reality is novel with one deck aluminium foil in the alternative former electric capacity of metalized film, thereby can substitute multi-layer capacity paper with plastics light film, by the realization of internal series-connection structure and the spraying of terminal eutectic solder, not only dwindled the electric capacity volume, reduced cost, simplified manufacture technology, and properties of product are greatly improved also.After tested, the film complex capacitance internal loss of this capacity ratio same specification has reduced an order of magnitude; Be suitable for frequency range and bring up to 5000HZ by original 300-2500HZ, proof voltage has improved 0.5KV than original product.So in small-power (below the 100KVar) operating circuit, can save the boiler water circulation cooling, realize complete natural cooling, thereby reduce user's production cost.
Fig. 1 is the utility model axial section list group structure of composite membrane schematic diagram.
In conjunction with the accompanying drawings, description the utility model embodiment is as follows:
The outer composite membrane of capacitance core pipe (4) respectively by polypropylene light film (1), in separated aluminium foil (2), polypropylene media film (1), metalized film (3) form, polypropylene screen (1) and metalized film (3) all are longer than in aluminium foil (2) two outer ends of interruption.This composite membrane is multilaminate coiled on capacitance core pipe (4), and the aluminium foil of prolongation (2) forms capacitor terminal in two axial ends.Reel to finish, again with polypropylene light film coiling outsourcing several layers, through thermal finalization, terminal sprays paint behind the eutectic solder, promptly becomes complete internal series film complex capacitance device.
Claims (3)
1, internal series film complex capacitance, its composite membrane that is wrapped on the capacitance core pipe is to be the capacitance electrode conductor with aluminium foil and metalized film, and with plastics light film as deielectric-coating with two conductor isolated insulations, feature of the present utility model is to be broken as two independent conductors films in the middle of the aluminium foil film, and two ends prolong and form capacitor terminal.
2, internal series film complex capacitance according to claim 1 is characterized in that said plastic medium film is a polypropylene light film.
3, internal series film complex capacitance according to claim 1 is characterized in that the electric capacity two-terminal has the eutectic solder of spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93204360 CN2152287Y (en) | 1993-02-22 | 1993-02-22 | Internal series film composite capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93204360 CN2152287Y (en) | 1993-02-22 | 1993-02-22 | Internal series film composite capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2152287Y true CN2152287Y (en) | 1994-01-05 |
Family
ID=33787939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93204360 Expired - Fee Related CN2152287Y (en) | 1993-02-22 | 1993-02-22 | Internal series film composite capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2152287Y (en) |
-
1993
- 1993-02-22 CN CN 93204360 patent/CN2152287Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |