CN2854783Y - Antioxidation environment protection metallized film capacitor - Google Patents
Antioxidation environment protection metallized film capacitor Download PDFInfo
- Publication number
- CN2854783Y CN2854783Y CN 200620118790 CN200620118790U CN2854783Y CN 2854783 Y CN2854783 Y CN 2854783Y CN 200620118790 CN200620118790 CN 200620118790 CN 200620118790 U CN200620118790 U CN 200620118790U CN 2854783 Y CN2854783 Y CN 2854783Y
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- CN
- China
- Prior art keywords
- joint pin
- film capacitor
- metallic film
- environmental protection
- capacitor according
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Abstract
The utility model discloses an oxidation-resistant environment-friendly metallized film capacitor which includes an outer shell, an upper cover, a leading-out end, an end socket, a connecting post, a end socket seal ring, and a capacitor core; the leading-out end is arranged on the end socket, the end socket is connected with the upper cover via end socket seal ring and the connecting post, the connecting post is connected with the capacitor core via anti-burst wire, oxidation-resistant gas is filled in the seal cavity between the capacitor core and the outer shell, and an air-filled pore communicated with the seal cavity is disposed on top of the upper cover and sealed by rubber pad. The utility model has better sealing performance, higher safety and stronger oxidation resistance compared with conventional capacitor.
Description
Technical field
The utility model relates to a kind of capacitor, a kind of more precisely metallic film capacitor.
Background technology
Metallic film capacitor is widely used a kind of discrete electronic component in the industries such as electrical equipment, information electronics, microelectronics, as Chinese patent CN00257945.6 disclosed " high-power medium-high frequency metallic film capacitor " and Chinese patent CN200420044258.3 disclosed " a kind of new type of metal film capacitor ", these capacitors all improve traditional capacitance structure, have certain result of use, but still have defectives such as sealing is poor, fail safe is low, oxidation resistance is weak.
The utility model content
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of good airproof performance, safe and oxidation resistant metallic film capacitor.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of antioxidation environmental protection metallic film capacitor, comprise shell, loam cake, exit, end seat, joint pin, end seat sealing ring and capacitance core, exit is arranged on the end seat, be connected with joint pin by an end sealing ring between end seat and the loam cake, joint pin is connected with capacitance core by explosion-proof line, be filled with anti-oxidant gas in the sealed cavity between capacitance core and shell, last tops offers the air-filled pore that connects with cavity, this air-filled pore rubber seal.
Interconnect by brace between the described joint pin, the brace pad is located between joint pin and the end seat sealing ring, offers the joint pin perforation on it.
Be fixed with on the inner surface of described loam cake joint pin, end seat sealing ring and brace cover are buckled in interior bursting diaphragm, offer explosion-proof line connecting hole on the bursting diaphragm, the connecting line of joint pin passes connecting hole and docks with explosion-proof line, is provided with seal between connecting line and the connecting hole.
The inner surface of described bursting diaphragm is provided with and the corresponding recess of joint pin.
Between described capacitance core and the shell by on mould cover and mould down cover and insulate.
The shell upper of described capacitor has the groove of 0～3 invagination.
Described capacitance core is single or multiple, and exit quantity is corresponding with it.
Described outer casing bottom can have the installation screw rod.
Described joint pin replaces with the nest nail.
Described exit is terminal or electric wire, and shell is metal-back or plastic housing, and loam cake is metallic article or plastic products.
The utility model is filled the oxidation that a kind of gas comes the impedance capacitor core in the shell of capacitor, the air-filled pore rubber seal, compare with the conventional metals film capacitor and to have advantage simple in structure, that oxidation resistance is strong, the structure of connecting plate and bursting diaphragm has then further been mentioned the sealing property and the security performance of capacitor.
Description of drawings
Fig. 1 is the structural representation of the utility model first embodiment, and wherein Fig. 1 (b) is the vertical view of Fig. 1 (a);
Fig. 2 is the structural representation of the utility model second embodiment, and wherein Fig. 2 (b) is the vertical view of Fig. 2 (a);
Fig. 3 is the structural representation of the utility model the 3rd embodiment, and wherein Fig. 3 (b) is the vertical view of Fig. 3 (a);
Fig. 4 is the structural representation of the utility model the 4th embodiment, and wherein Fig. 4 (b) is the vertical view of Fig. 4 (a).
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of reference numerals is as follows:
1---terminal 2---end seat
3---loam cake 4---shell
5---cavity 6---joint pin
7---end seat sealing ring 8---brace
The explosion-proof line of 9---bursting diaphragms 10---
Mould cover on 11---connecting lines 12---
13---plug 14---capacitance core
15---bag core papers 16---are moulded cover down
17---air-filled pores 18---are installed screw rod
First embodiment as shown in Figure 1, the metal shell 4 of capacitor is cylindrical, inside is provided with a capacitance core 14, terminal 1 is installed on the end seat 2, end seat 2 is disc, with be connected with joint pin 6 by an end seat sealing ring 7 between the loam cake 3, a joint pin directly is connected with capacitance core 14 by explosion-proof line 10, another joint pin is connected with the other end of capacitance core 14 pass the centre bore of electric capacity plug 13 with explosion-proof line after, be filled with nitrogen in the sealed cavity 5 between capacitance core 14 and the shell 4, the top of loam cake 3 offers the air-filled pore 17 that connects with cavity 5, this air-filled pore rubber seal, and the bottom of shell 4 is fixed with installs screw rod 18.
Second embodiment as described in Figure 2, end seat 2 is cylindrical, interconnect by brace 8 between the joint pin 6, brace 8 pads are located between joint pin 6 and the end seat sealing ring 7, offer the joint pin perforation on it, bursting diaphragm 9 is shaped as frame, be fixed on the inner surface of loam cake 3, with joint pin, end seat sealing ring and brace cover together buckles sealing, its inner surface is provided with and the corresponding recess of joint pin, and offer explosion-proof line connecting hole, the connecting line 11 of joint pin passes connecting hole and docks with explosion-proof line 10, encapsulation process between connecting line and the connecting hole, between capacitance core 14 and the shell 4 by on mould cover 12 and mould down cover 16 and insulate, the outer bag core paper 15 that is with of capacitance core 14, the groove of an invagination is arranged at the top of shell 4.
The 3rd embodiment as shown in Figure 3, end seat 2 is back taper, shell 4 is approximate ellipsoidal, inside is provided with three capacitance cores 14, is provided with insulating barrier between one of them capacitance core and two other capacitance core, and loam cake 3 is provided with three different terminals 6, air-filled pore 17 is near the edge of loam cake 3 one sides, except that the connected mode of joint pin 6 and capacitance core 14 was different, all the other structures were identical with second embodiment, just repeat no more here.
The 4th embodiment as shown in Figure 4, shell 4 is rectangle, its two bottom sides is provided with the journal stirrup that is used for installing and locating and replaces installing screw rod 18, inside is provided with three capacitance cores 14, end seat sealing ring 7 is arranged on the inside of end seat 2, and adopts nest to follow closely to replace joint pin, kept at a certain distance away by the nest ailhead between brace 8 and the bursting diaphragm 9, the explosion-proof line 11 that is connected in the nest nail adopts another mode to be connected with capacitance core 14, and air-filled pore 17 is positioned at the Yi Jiaochu of loam cake 3.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of products under enlightenment of the present invention.For example in cavity, fill other anti-oxidant gases, or terminal is replaced by electric wire, or shell, loam cake are made of plastics.Though but on its shape or structure, do any variation, every have identical with a utility model or akin technical scheme, all within its protection range.
Claims (10)
1, a kind of antioxidation environmental protection metallic film capacitor, it is characterized in that, comprise shell, loam cake, exit, end seat, joint pin, end seat sealing ring and capacitance core, exit is arranged on the end seat, be connected with joint pin by an end sealing ring between end seat and the loam cake, joint pin is connected with capacitance core by explosion-proof line, is filled with anti-oxidant gas in the sealed cavity between capacitance core and shell.
2, antioxidation environmental protection metallic film capacitor according to claim 1 is characterized in that, the described tops of going up offers the air-filled pore that connects with cavity, this air-filled pore rubber seal.
3, antioxidation environmental protection metallic film capacitor according to claim 2 is characterized in that, interconnects by brace between the described joint pin, and the brace pad is located between joint pin and the end seat sealing ring, offers the joint pin perforation on it.
4, antioxidation environmental protection metallic film capacitor according to claim 3, it is characterized in that, be fixed with on the inner surface of described loam cake joint pin, end seat sealing ring and brace cover are buckled in interior bursting diaphragm, offer explosion-proof line connecting hole on the bursting diaphragm, the connecting line of joint pin passes connecting hole and docks with explosion-proof line, is provided with seal between connecting line and the connecting hole.
5, antioxidation environmental protection metallic film capacitor according to claim 4 is characterized in that, the inner surface of described bursting diaphragm is provided with and the corresponding recess of joint pin.
6, antioxidation environmental protection metallic film capacitor according to claim 5 is characterized in that, between described capacitance core and the shell by on mould cover and mould down cover and insulate.
7, antioxidation environmental protection metallic film capacitor according to claim 6 is characterized in that, the shell upper of described capacitor has the groove of 0～3 invagination.
8, antioxidation environmental protection metallic film capacitor according to claim 7 is characterized in that, described capacitance core is single or multiple, and exit quantity is corresponding with it.
9, antioxidation environmental protection metallic film capacitor according to claim 8 is characterized in that, described outer casing bottom is fixed with the installation screw rod.
10, antioxidation environmental protection metallic film capacitor according to claim 9 is characterized in that, described joint pin replaces with the nest nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620118790 CN2854783Y (en) | 2006-06-23 | 2006-06-23 | Antioxidation environment protection metallized film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620118790 CN2854783Y (en) | 2006-06-23 | 2006-06-23 | Antioxidation environment protection metallized film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854783Y true CN2854783Y (en) | 2007-01-03 |
Family
ID=37581417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620118790 Expired - Fee Related CN2854783Y (en) | 2006-06-23 | 2006-06-23 | Antioxidation environment protection metallized film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854783Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369489B (en) * | 2007-08-14 | 2011-11-16 | 上海皓月电气有限公司 | Safe metalizing film capacitor |
-
2006
- 2006-06-23 CN CN 200620118790 patent/CN2854783Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369489B (en) * | 2007-08-14 | 2011-11-16 | 上海皓月电气有限公司 | Safe metalizing film capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070103 Termination date: 20110623 |