CN103871731A - Waterproof anti-explosion alternating current capacitor - Google Patents
Waterproof anti-explosion alternating current capacitor Download PDFInfo
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- CN103871731A CN103871731A CN201410070674.9A CN201410070674A CN103871731A CN 103871731 A CN103871731 A CN 103871731A CN 201410070674 A CN201410070674 A CN 201410070674A CN 103871731 A CN103871731 A CN 103871731A
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- metal shell
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Abstract
The invention provides a waterproof anti-explosion alternating current capacitor, comprising a metal shell, a capacitor core and an end cover; the capacitor core is sleeved in a metal shell; an upper positioning sleeve and a lower positioning sleeve are respectively arranged at the upper end and the lower end of the capacitor core; the end cover is hermetically connected to an opening part of the metal shell; the capacitor core is provided with a lead; the lead is connected to an insertion piece positioned on the end cover after penetrating through the end cover; a wavy bent ring is rolled in the side wall of the metal shell; the wavy bent ring is positioned between the upper positioning sleeve and the end cover. The waterproof anti-explosion alternating current capacitor is simple in structure, low in manufacturing cost, safe in use and long in service life and has well waterproof and anti-explosion functions.
Description
Technical field
The present invention relates to a kind of capacitor, particularly a kind of waterproof anti-explosion AC capacitor.
Background technology
Traditional capacitor, in the time that electric capacity punctures, can produce blast, serious threat personal security, and the damage of easily making moist of traditional electric capacity, and useful life is low.
Summary of the invention
the technical problem that [1] will solve
The technical problem to be solved in the present invention is to provide one and has waterproof and explosion prevention function, uses safety, and the waterproof anti-explosion AC capacitor of long service life.
the technical scheme of [2] dealing with problems
The invention provides a kind of waterproof anti-explosion AC capacitor, comprise metal shell 1, capacitor core 2 and end cap 3, described capacitor core 2 is set in described metal shell 1, described capacitor core 2 upper, lower end is respectively equipped with positioning sleeve 4 and lower positioning sleeve 5, described end cap 3 is sealedly connected on the peristome of described metal shell 1, described capacitor core 2 is provided with lead-in wire, described lead-in wire is connected to the inserted sheet 6 being positioned on described end cap 3 after through described end cap 3, the sidewall of described metal shell 1 rolls waveform ring 101, described waveform ring 101 is on described between positioning sleeve 4 and described end cap 3.
Further, in described capacitor core 2, be provided with stem stem, be positioned on the stretching lead-in wire of described stem stem, roll jagged.
Further, in described capacitor core 2, be provided with stem stem, the stretching lead-in wire center crush that is positioned at described stem stem forms flattening portion, and offers breach in described flattening portion.
Further, the inside bending of the opening part of described metal shell 1 forms sealing, and described end cap 3 is between described sealing and described waveform ring 101.
Further, the top of described metal shell 1 is arranged with cover 7, on described cover 7, is sealedly connected with sleeve pipe 8, in described sleeve pipe 8, is provided with wire 9, and described wire 9 is connected with described inserted sheet 6.
Further, between described sleeve pipe 8 and described cover 7, realize and being tightly connected by rubber stopper.
Further, described metal shell 1 is cylindrical.
Further, the inside bending of the sidewall of described metal shell 1 forms waveform ring 101, and the cross section of described waveform ring 101 is U-shaped.
Further, described metal shell 1 is made of aluminum.
[3] beneficial effect
Waterproof anti-explosion AC capacitor of the present invention, in the time that capacitor breakdown lost efficacy, because thin film dielectrics and impregnated material produce a large amount of gas puncturing under high arc temperature effect, capacitor case internal pressure is raise rapidly, when pressure reaches while being enough to make the ripple ring of metal-back body wall again to extend, metal-back body wall extends, lead-in wire stretching in stem stem is pulled off, thereby make capacitor and isolated from power, in capacitor, disruptive discharge stops, casing internal pressure stops rising, shell can not explode, reach explosion-proof object, waterproof anti-explosion AC capacitor of the present invention, simple in structure, low cost of manufacture, there is good waterproof anti-explosion function, use safety and long service life.
Brief description of the drawings
Fig. 1 is the structure chart of waterproof anti-explosion AC capacitor of the present invention;
Fig. 2 is the explosive view of waterproof anti-explosion AC capacitor of the present invention;
Fig. 3 is the cutaway view of waterproof anti-explosion AC capacitor of the present invention;
Fig. 4 is A portion enlarged drawing in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, introduce in detail the embodiment of the present invention.
Consult Fig. 1 to Fig. 4, the invention provides a kind of waterproof anti-explosion AC capacitor, comprise metal shell 1, capacitor core 2 and end cap 3, this capacitor core 2 is set in metal shell 1, the upper and lower end of capacitor core 2 is respectively equipped with positioning sleeve 4 and lower positioning sleeve 5, end cap 3 is sealedly connected on the peristome of metal shell 1, capacitor core 2 is provided with lead-in wire, lead-in wire is through being connected to the inserted sheet 6 being positioned on end cap 3 after end cap 3, the sidewall of metal shell 1 rolls waveform ring 101, and this waveform ring 101 is between upper positioning sleeve 4 and described end cap 3; Be can auto-breaking in order to make blast, in capacitor core 2, be provided with stem stem, be positioned at and on the stretching lead-in wire of this stem stem, roll jaggedly, preferred, the stretching lead-in wire center crush that first will be positioned at stem stem forms flattening portion, and offers breach in this flattening portion; In order to reach better sealing effectiveness, form sealing (bound edge) in the inside bending of opening part of metal shell 1, end cap 3 is between sealing and waveform ring 101; In order to reach better waterproof effect, be arranged with cover 7 at the top of metal shell 1, on cover 7, be sealedly connected with sleeve pipe 8, preferential, between sleeve pipe 8 and cover 7, realize and being tightly connected by rubber stopper, in this sleeve pipe 8, be provided with wire 9, this wire 9 is connected with inserted sheet 6, and the energy producing in order to discharge blast, in the present embodiment,, metal shell 1 is cylindrical and made of aluminum; In the present embodiment, form waveform ring 101 in the inside bending of sidewall of metal shell 1, the cross section of this waveform ring 101 is U-shaped, can be also W shape, and can be one or more.
Waterproof anti-explosion AC capacitor of the present invention is cylindrical aluminium shell, is that outer shell wall extends the excess pressure insulation blocking mechanism that breaks this outlet.
In capacitor fabrication process, when capacitor body packs into after metal shell, roll out one depression arc-shaped slot higher than the position of fuse around shell cylinder at capacitor case with special equipment.Then arc-shaped slot is pressed into a ripple ring, cover lid edge curling seal.In the time of two lead-in wires of welding, want stretching and firm welding through the lead-in wire of stem stem, lead-in wire center crush forms easily broken breach, has made excess pressure isolation anti-explosion mechanism.
The explosion-proof mechanism of this anti-explosion mechanism is in the time that capacitor breakdown lost efficacy, because thin film dielectrics and impregnated material produce a large amount of gas puncturing under high arc temperature effect, capacitor case internal pressure is raise rapidly, when pressure reaches while being enough to make the ripple ring of shell wall again to extend, shell wall extends, lead-in wire stretching in stem stem is pulled off, thereby make capacitor and isolated from power, in capacitor, disruptive discharge stops, casing internal pressure stops rising, shell can not explode, and reaches explosion-proof object.
Waterproof anti-explosion AC capacitor of the present invention, simple in structure, low cost of manufacture, has good waterproof anti-explosion function, uses safety and long service life.
Claims (9)
1. a waterproof anti-explosion AC capacitor, it is characterized in that: comprise metal shell, capacitor core and end cap, described capacitor core is set in described metal shell, the upper and lower end of described capacitor core is respectively equipped with positioning sleeve and lower positioning sleeve, described end cap seal is connected to the peristome of described metal shell, described capacitor core is provided with lead-in wire, described lead-in wire is connected to the inserted sheet being positioned on described end cap after through described end cap, the sidewall of described metal shell rolls waveform ring, and described waveform ring is on described between positioning sleeve and described end cap.
2. waterproof anti-explosion AC capacitor as claimed in claim 1, is characterized in that: in described capacitor core, be provided with stem stem, be positioned on the stretching lead-in wire of described stem stem, roll jagged.
3. waterproof anti-explosion AC capacitor as claimed in claim 2, is characterized in that: in described capacitor core, be provided with stem stem, the stretching lead-in wire center crush that is positioned at described stem stem forms flattening portion, and offers breach in described flattening portion.
4. waterproof anti-explosion AC capacitor as claimed in claim 1, is characterized in that: the inside bending of opening part of described metal shell forms sealing, and described end cap is between described sealing and described waveform ring.
5. waterproof anti-explosion AC capacitor as claimed in claim 1, is characterized in that: the top of described metal shell is arranged with cover, is sealedly connected with sleeve pipe 8 on described cover, in described sleeve pipe, is provided with wire, and described wire is connected with described inserted sheet.
6. waterproof anti-explosion AC capacitor as claimed in claim 5, is characterized in that: between described sleeve pipe and described cover, realized and being tightly connected by rubber stopper.
7. the waterproof anti-explosion AC capacitor as described in claim 1 to 6 any one, is characterized in that: described metal shell is cylindrical.
8. waterproof anti-explosion AC capacitor as claimed in claim 7, is characterized in that: the inside bending of sidewall of described metal shell forms waveform ring, and the cross section of described waveform ring is U-shaped.
9. waterproof anti-explosion AC capacitor as claimed in claim 8, is characterized in that: described metal shell is made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070674.9A CN103871731B (en) | 2014-02-28 | 2014-02-28 | Waterproof anti-explosion AC capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070674.9A CN103871731B (en) | 2014-02-28 | 2014-02-28 | Waterproof anti-explosion AC capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103871731A true CN103871731A (en) | 2014-06-18 |
| CN103871731B CN103871731B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410070674.9A Active CN103871731B (en) | 2014-02-28 | 2014-02-28 | Waterproof anti-explosion AC capacitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118668A (en) * | 2015-09-24 | 2015-12-02 | 宁波碧彩实业有限公司 | Explosion-proofing combined capacitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070257045A1 (en) * | 2006-05-02 | 2007-11-08 | Maxwell Technologies, Inc. | Container Having an Overpressure Safety Device |
| CN201167031Y (en) * | 2008-02-03 | 2008-12-17 | 宁国市大荣电器有限公司 | Trislot explosion-proof environment protection capacitor |
| CN201490008U (en) * | 2009-09-07 | 2010-05-26 | 郑州伟华电子科技有限公司 | High-capacity explosion prevention capacitor |
| CN202549617U (en) * | 2012-04-28 | 2012-11-21 | 无锡新电电容器有限公司 | Anti-explosion water-proof capacitor |
| CN203721496U (en) * | 2014-02-28 | 2014-07-16 | 宁波碧彩实业有限公司 | Waterproof and explosion-proof AC capacitor |
-
2014
- 2014-02-28 CN CN201410070674.9A patent/CN103871731B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070257045A1 (en) * | 2006-05-02 | 2007-11-08 | Maxwell Technologies, Inc. | Container Having an Overpressure Safety Device |
| CN201167031Y (en) * | 2008-02-03 | 2008-12-17 | 宁国市大荣电器有限公司 | Trislot explosion-proof environment protection capacitor |
| CN201490008U (en) * | 2009-09-07 | 2010-05-26 | 郑州伟华电子科技有限公司 | High-capacity explosion prevention capacitor |
| CN202549617U (en) * | 2012-04-28 | 2012-11-21 | 无锡新电电容器有限公司 | Anti-explosion water-proof capacitor |
| CN203721496U (en) * | 2014-02-28 | 2014-07-16 | 宁波碧彩实业有限公司 | Waterproof and explosion-proof AC capacitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118668A (en) * | 2015-09-24 | 2015-12-02 | 宁波碧彩实业有限公司 | Explosion-proofing combined capacitor |
| CN105118668B (en) * | 2015-09-24 | 2018-02-09 | 宁波碧彩实业有限公司 | A kind of explosion-proof combined capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103871731B (en) | 2017-09-26 |
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