CN103680938B - Explosion proof type capacitor - Google Patents
Explosion proof type capacitor Download PDFInfo
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- CN103680938B CN103680938B CN201310656386.7A CN201310656386A CN103680938B CN 103680938 B CN103680938 B CN 103680938B CN 201310656386 A CN201310656386 A CN 201310656386A CN 103680938 B CN103680938 B CN 103680938B
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- explosion
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Abstract
The invention provides an explosion proof type capacitor which comprises an upper cover and a shell body. The upper cover and the shell body are matched with each other. A binding post is arranged on the upper cover. An insulation support is arranged on the bottom of the upper cover. A capacitance device and an explosion-proof device are arranged in the shell body. The explosion-proof device comprises a moving contact, a static contact electrically connected with the capacitance device and an operation mechanism. One end of the operation mechanism enables the moving contact to be in contact with the static contact, and the other end of the operation mechanism is connected with the insulation support. One end of the operation mechanism deforms upwards to the upper cover until the binding post and the operation mechanism are electrically separated, and then the moving contact and the static contact are disconnected. No weak points exist on the explosion-proof device, when currents pass through the binding post, flow through the moving contact and the static contact and reach the capacitance device, a large amount of heat cannot be generated in the capacitor, energy loss is lowered, and the service life of the capacitor can be well prolonged.
Description
Technical field
The present invention relates to a kind of capacitor, particularly to a kind of explosion-proof type capacitor.
Background technology
At present, capacitor generally adopts metallized polypropylene film manufacture, and its electric property is good, and it is special to have spontaneous recovery
Property.When the capacitance of capacitor is larger (generally in more than 15 μ F), if not adopting safety device, security performance cannot obtain
Ensure, or even explosion Ignition Phenomena occurs, the purpose using explosion-protection equipment is for the explosion-protection equipment when product goes wrong
Action formed open-circuit condition explosion-proof in time it is ensured that product is disconnected from the circuit, thus ensure integral product use safety and
Reliability.
Occur in that a kind of capacitor with explosion-proof line in prior art, between its housing and upper lid, be provided with a metal system
Explosion-proof line, in the state of puncturing, its internal polypropylene media produces melt flow thing and a large amount of gas of association will be upper for capacitor
Cover outside jack-up, cause explosion-proof line to be pulled off so as to explosion-protection equipment action forms open-circuit condition, thus ensureing the peace that product uses
Quan Xing, but in actual use, if explosion-proof line is excessively thick, when capacitor is in breakdown conditions, then often there is explosion-proof line not
The phenomenon that can be pulled off is it is impossible to play explosion-proof effect；If explosion-proof line is meticulous, it is easy for mounted personnel by mistake when mounted
Operate and break, thus leading to capacitor to lose explosion-proof performance.
In order to solve the above problems, Chinese patent literature CN 201667288 U provides a kind of explosion-proof type cylindrical capacitive
Device, it includes the explosion-proof line that one end is connect with top cap, and explosion-proof line is provided with otch, and otch is located at the connection of explosion-proof line and upper lid
By setting otch on explosion-proof line, place, solves the problems, such as that capacitor explosion-proof line in breakdown conditions can not be pulled off, and
In the prior art, the incision of explosion-proof line is wrapped up by solder joint, solves explosion-proof line by this kind of setting easy when mounted
Mounted personnel's maloperation and the problem broken.
However, the prior art still suffers from problems with use：1st, in the prior art, the cutting of explosion-proof line
Flow area at mouthful is little compared to the flow area of explosion-proof line other positions, resistance is big, so, when electric current is through explosion-proof line
When, exploding wire heat can be caused to rise, expend electric energy and increase, and explosion-proof line is located at capacitor internal, explosion-proof line caloric value rises
The service life of capacitor is adversely affected；2nd, in the prior art, when housing because outside pressure or temperature change produce
During normal Light deformation, upper lid also can have a Light deformation amount upwards, and upper lid displacement potential upwards must be to the otch of explosion-proof line
Place has the damage of respective degrees so that the flow area of explosion-proof line incision reduces further, and resistance increases further, leads to work as
When explosion-proof line, the caloric value of explosion-proof line increases electric current further, not only increases electric energy loss, and compromises electricity further
The service life of container.
Content of the invention
For this reason, the technical problem to be solved is to overcome capacitor of the prior art, in electric current through out-of-date,
The through-flow face of incision of its explosion-proof line adopting is little, leads to loss to increase, and causes caloric value to rise, ultimately results in capacitor product
The problem of service life reduction, thus provide one kind in electric current through the normal explosion-proof type capacitor of out-of-date caloric value.
Further provide for one kind when housing produces normal deformation because of outside pressure or temperature change, be lost and through-current capability
Constant explosion-proof type capacitor.
For solving above-mentioned technical problem, the present invention provides a kind of explosion-proof type capacitor, including the upper lid cooperating and shell
Body, described on cover and be provided with binding post, described upper lid bottom is provided with insulating support, be provided with described housing capacitive means and
Explosion-protection equipment by described binding post and the electrical connection of described capacitive means；Described explosion-protection equipment includes and described binding post electricity
The static contact that electrically connect with described capacitive means of moving contact connecting and one end compress described moving contact make described moving contact and
Described static contact contact, the operating mechanism that the other end is connected with described insulating support, described one end of described operating mechanism is in institute
State upwardly-deformed to the described binding post of lid with during described insulating support disengaging, so that described moving contact is broken with described static contact
Open.
Described operating mechanism includes the base being fixed in described housing, and described base includes base plate and is molded over described bottom
On plate and two supporting tables being oppositely arranged, described base plate arranges described static contact, setting up between supporting table described in two has axle,
Described axle is provided with main torsion spring, auxiliary torsion spring and the force fit plate that can rotate around described axle, described force fit plate is arranged described dynamic
Contact；Described main torsion spring is in opposite direction with the twisting force of described auxiliary torsion spring；One end of described main torsion spring is compressed by torsion
It is overlapped on described insulating support, the other end makes the described moving contact on described force fit plate and described static contact compression by torsion
Contact；One end of described auxiliary torsion spring is fixedly installed, and the other end is pressed on described force fit plate by torsion, so that described insulation
Support is moved upward to described upper lid deformation when being disengaged with described main torsion spring, and the torsion drive of described auxiliary torsion spring is described
Force fit plate rotates makes described moving contact disconnect with described static contact.
Described operating mechanism also includes the elastic compression block piece being against on the wall of described force fit plate side, so that described moving contact
After departing from described static contact, the power that offsets between described elastic compression block piece and described force fit plate disappears, described elasticity pressure
Contracting block piece elasticity stretch out keep out described force fit plate can not along described moving contact contact with described static contact direction rotate.
The alignment pin that described elastic compression block piece includes being against on the wall of described force fit plate side through described supporting table with
And it is connected to the compression spring of described alignment pin rear end.
Described insulating support is disengaged with described main torsion spring with lap position to the described insulating support of described main torsion spring
Leave between position for cover on described upwards Light deformation when, what described main torsion spring was not disengaged with described insulating support can
Adjust displacement.
Described insulating support is bakelite support, and described binding post is arranged on described bakelite support.
Described binding post is connected by copper cash with described moving contact.
Described housing is cylinder.
Cover on described as aluminum or iron.
The technique scheme of the present invention has advantages below compared to existing technology：
1. in the present invention, its explosion-protection equipment includes static contact and the side pressure that moving contact is electrically connected with capacitive means
Tight moving contact makes moving contact contact with static contact, the operating mechanism that the other end is electrically connected with binding post, and the present invention is touched by dynamic
Binding post is electrically connected by head, static contact and operating mechanism with capacitive means, explosion-protection equipment does not have weak spot, works as electric current
When binding post flows through dynamic/static contact and reaches capacitive means, the capacitor internal of the present invention will not produce amount of heat, relatively
In prior art, reduce energy consumption, and be conducive to capacitor product service life；In addition, operating mechanism by moving contact with quiet
One end of contact upper lid because in housing pressure or temperature change and upwardly-deformed depart from operating mechanism between insulate
When, order about moving contact and contact with static contact disconnection, form open-circuit condition explosion-proof in time.
2. in the present invention, its operating mechanism includes the base being fixed in housing, the axle being erected on base and sets
Put the main torsion spring on axle, assist torsion spring and force fit plate, one end of main torsion spring is overlapped on insulating support by torsion compression, separately
The moving contact that one end is ordered about by torsion on force fit plate is pressed into contact with static contact, and one end of auxiliary torsion spring is fixedly installed, another
End is pressed on force fit plate by torsion, the twisting force of main torsion spring in force fit plate direction with assist the twisting force of torsion spring in
Force fit plate in opposite direction, and main torsion spring acts on the torque of force fit plate and is more than auxiliary torsion spring and acts on the torque of force fit plate, from
And when insulating support is not disengaged with main torsion spring, the torsion of main torsion spring overcome auxiliary torsion spring torsion and make moving contact with
Static contact is pressed into contact with it is ensured that the conducting of capacitor packages circuit in normal state；Puncture when capacitor internal or
During damage, upper lid is upwardly-deformed, and insulating support is moved upward to upper lid and is disengaged with main torsion spring, and the torsion of main torsion spring disappears
Lose, the torsion of auxiliary torsion spring orders about force fit plate rotation makes moving contact disengage with static contact, realizes protection.
3. in the present invention, operating mechanism also includes the elastic compression block piece being against on the wall of force fit plate side, works as capacitor
When inside punctures or damages, upper lid is upwardly-deformed to drive insulating support to move up and depart from the end of main torsion spring, main
The torsion of torsion spring disappears, and the torsional force urges force fit plate of auxiliary torsion spring rotates, and so that the moving contact on force fit plate is departed from static contact, pressure
After plywood rotates, elastic compression block piece is departed from the side wall of force fit plate, offseting between elastic compression block piece and force fit plate
Power disappears, and elastic compression block piece elasticity stretches out and keep out in the plate face of force fit plate, makes the force fit plate can not be along moving contact and stationary contact
Head contact direction motion, thus prevent the electric arc suction adhesive force fit plate that dynamic/static contact departs from moment generation to turn round thus leading to
The situation that moving contact on force fit plate is contacted with static contact again occurs.
4. in the present invention, its insulating support and the lap-joint of main torsion spring disengage place to insulating support and main torsion spring
Between leave for upper lid upwards Light deformation when, the displacement-adjustable that main torsion spring is not disengaged with insulating support, by scalable
The setting of displacement so that when capacitor internal volume changes because of outside pressure or temperature change, upper lid Light deformation upwards, absolutely
Edge support moves up with the Light deformation of upper lid, when displacement is in displacement-adjustable setting value, to capacitor internal
No affect, loss and electric current through-current capability are constant, realize the protection to capacitor further, only when displacement exceedes scalable
During displacement setting value, main torsion spring ability landing from insulating support, moving contact is departed from static contact.
Brief description
In order that present disclosure is more likely to be clearly understood, specific embodiment below according to the present invention simultaneously combines
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the assembling schematic diagram of upper lid, binding post and the explosion-protection equipment of the present invention；
Fig. 2 is the structural representation of noinductive capacitor of the present invention.
In figure reference is expressed as：The main torsion spring of 1- insulating support, 2-, 4- auxiliary torsion spring, 5- static contact, 6- moving contact,
Lid, 9- housing, 10- base plate, 11- supporting table, 12- axle, 13- force fit plate, 14- binding post on 7- elastic compression block piece, 8-.
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
As depicted in figs. 1 and 2, the present embodiment provides a kind of explosion-proof type capacitor, including the upper lid 8 cooperating and housing
9, described upper lid 8 is provided with binding post 14, and described upper lid 8 bottoms are provided with insulating support 1, in the present embodiment, described terminals
Son 14 is set to three, corresponding with the three-phase circuit within capacitive means, is provided with capacitive means and explosion-proof dress in described housing 9
Put, in the present embodiment, described explosion-protection equipment is located between described upper lid 8 and described capacitive means；In the present embodiment, described anti-
The static contact 5 and one that the moving contact 6 that quick-fried device includes electrically connecting with described binding post 14 is electrically connected with described capacitive means
Tightly described moving contact 6 makes described moving contact 6 contact with described static contact 5 to side pressure, the behaviour that the other end is connected with described insulating support 1
Make mechanism, when the capacitor internal of the present embodiment punctures or damages, described upper lid is 8 upwardly-deformed, on described lid 8 to
On when being deformed into described insulating support 1 and departing from described operating mechanism, described one end of described operation structure makes described moving contact 6
Disconnect with described static contact 5, form open-circuit condition explosion-proof in time.The present embodiment is by described moving contact, static contact and operation
Described binding post 14 is electrically connected by mechanism with described capacitive means, and described explosion-protection equipment does not exist weak spot, when electric current from
When described binding post 14 flows through dynamic/static contact arrival described capacitive means, the capacitor internal of the present embodiment will not produce in a large number
Heat, with respect to prior art, reduces energy consumption, and is conducive to capacitor product service life.
Specifically, in the present embodiment, as shown in figure 1, described operating mechanism includes the bottom being fixed in described housing 9
Seat, described base includes base plate 10 and two supporting tables 11 being molded on described base plate 10 and being oppositely arranged, described base plate 10
The described static contact 5 of upper setting, in the present embodiment, described static contact 5 is set to three；Supporting table 11 relative position molding described in two
There is hole, setting up between two relatively described holes has axle 12, and in the present embodiment, described axle 12 is fixed on described in two between hole, described
Axle 12 is provided with main torsion spring 2, auxiliary torsion spring 4 and the force fit plate 13 that can rotate around described axle 12；Described main torsion spring 2 can be arranged
For one it is also possible to be set to multiple, such as two or three etc., in the present embodiment, as shown in figure 1, described main torsion spring 2
It is set to one, is enclosed within described axle 12 centre position, described auxiliary torsion spring 4 could be arranged to one it is also possible to be set to multiple,
In the present embodiment, as shown in figure 1, described auxiliary torsion spring 4 is set to one, it is enclosed within the described axle at described supporting table 11
On 12；Described moving contact 6 is arranged on described force fit plate 13, in the present embodiment, described moving contact 6 is set to three；Described main torsion
Spring 2 one end is overlapped on the surface of described insulating support 1 by torsion compression, and the other end is pressed on described force fit plate by torsion
On 13, three on described force fit plate 13 described moving contacts 6 are made to connect with three described static contact 5 compressions on described base plate 10
Touch, described auxiliary torsion spring 4 one end is fixedly installed, described be fixedly installed that to refer to that described auxiliary torsion spring 4 can be fixedly installed on described
It is also possible to be fixedly installed on described housing 9 on base, the other end of described auxiliary torsion spring 4 is pressed on described pressure by torsion
On plywood 13, the torsion of described auxiliary torsion spring 4 is contrary with the force direction of described main torsion spring 2, and that is, described auxiliary torsion spring 4 orders about
Described force fit plate 13 orders about what described force fit plate 13 rotated around described axle 12 around the direction that described axle 12 rotates with described main torsion spring 2
In opposite direction, and, described auxiliary torsion spring 4 orders about the torque that described force fit plate 13 rotates and is less than described in described main torsion spring 2 orders about
The torque that force fit plate 13 rotates, this setting allows the described moving contact 6 on described force fit plate 13 to be pressed on described base plate 10
Described static contact 5 on, when the described capacitor of the present embodiment occurs internal breakdown or damages, described upper lid 8 is upwardly-deformed,
Described insulating support 1 moves up with the deformation of described upper lid 8, and one end that described main torsion spring 2 is contacted with described insulating support 1 exists
Slide in the surface of described insulating support 1, when described insulating support 1 is moved upward to the surface of described insulating support 1 and described master
When the end of torsion spring 2 disengages, the torsion of described main torsion spring 2 disappears, and the torsion of described auxiliary torsion spring 4 drives described force fit plate
13 rotate round about, so that described moving contact 6 is disconnected with described static contact 5, realize protection.
In the present embodiment, described operating mechanism also includes the elastic compression block piece being against on described force fit plate 13 side wall
7, so that after described moving contact 6 is departed from described static contact 5, between described elastic compression block piece 7 and described force fit plate 13
The power that offsets disappears, and described elastic compression block piece 7 elasticity is stretched out and kept out described force fit plate 13 and make the described force fit plate 13 can not be along institute
State moving contact 6 and contact direction rotation with described static contact 5.
Specifically, described elastic compression block piece 7 includes through described supporting table 11 and is against described force fit plate 13 side wall
On alignment pin and the compression spring being connected to described alignment pin rear end.
When capacitor internal punctures or damages, described upper lid 8 is upwardly-deformed to drive described insulating support 1 to move upwards
Dynamic and with described main torsion spring 2 end departs from, and the torsion of described main torsion spring 2 disappears, described in the torsional force urges of described auxiliary torsion spring 4
Force fit plate 13 rotates, and so that the described moving contact 6 on described force fit plate 13 is departed from described static contact 5, described force fit plate 13 rotates
Afterwards, described alignment pin and the side wall of described force fit plate 13 depart from, and the power of offseting between described alignment pin and described force fit plate 13 disappears
Lose, the elasticity release of described compression spring, promote described alignment pin to stretch out, thus stop described force fit plate 13 can not along moving contact with
Static contact contact direction rotates, thus preventing described dynamic/static contact to depart from the force fit plate described in electric arc suction adhesive of moment generation
13 revolutions, thus lead to the situation that the described moving contact 6 on described force fit plate is contacted with described static contact 5 to occur again.
In addition, in the present embodiment, as shown in figure 1, the lap position of described insulating support 1 and described main torsion spring 2 is to institute
State capacitor internal to puncture or damage, described insulating support 1 and described main torsion spring 2 disengage leave between position for
On described lid 8 upwards Light deformation when, the displacement-adjustable that described main torsion spring 2 is not disengaged with described insulating support 1, pass through
The setting of described displacement-adjustable makes to change because of outside pressure or temperature change when described capacitor internal volume, described on
Cover 8 upwardly-deformed, described insulating support 1 moves up with described upper lid 8, when the displacement that insulating support 1 moves up exists
When within the setting value of described displacement-adjustable, described capacitor internal no affects, and electric current flows through the damage of described capacitor
Consumption and negotiability are constant；When capacitor internal punctures or damages, the displacement that described insulating support 1 moves up
Exceed described displacement-adjustable setting value when, the end of described main torsion spring 2 is from the surface landing of described insulating support 1, described
The torsion of main torsion spring 2 disappears, and described moving contact 6 is separated with described static contact 5 by described auxiliary torsion spring 4 by torsion, realizes protecting
Shield.
In the present embodiment, as shown in figure 1, described insulating support 1 is bakelite support, described binding post 14 is arranged on institute
State on bakelite support.
In the present embodiment, described binding post 14 and the electrical connection of described moving contact 6 are realized by copper cash.
In the present embodiment, described capacitor is cylindrical capacitor, and described housing 9 is cylinder, and described upper lid 8 is circle
Shape, circular described upper lid 8 covers on cylindrical described housing 9.
In the present embodiment, described upper lid 8 is aluminum or iron.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (8)
1. a kind of explosion-proof type capacitor, including the upper lid (8) cooperating and housing (9), described upper lid (8) is provided with terminals
Sub (14), described upper lid (8) bottom is provided with insulating support (1), is provided with capacitive means and explosion-protection equipment in described housing (9)；
It is characterized in that, described explosion-protection equipment includes the moving contact (6) electrically connecting with described binding post (14) and described electric capacity
The static contact (5) of device electrical connection and one end compress described moving contact (6) and make described moving contact (6) and described static contact (5)
Contact, the operating mechanism that the other end is connected with described insulating support (1), described one end of described operating mechanism is covered on described
(8), when upwardly-deformed to described binding post (14) is departed from described insulating support (1), make described moving contact (6) quiet with described
Contact (5) disconnects；
Described operating mechanism includes the base being fixed in described housing (9), and described base includes base plate (10) and is molded over institute
State two supporting tables (11) that base plate (10) is upper and is oppositely arranged, described base plate (10) is upper to arrange described static contact (5), described in two
Setting up between supporting table (11) has axle (12), and described axle (12) is provided with main torsion spring (2), auxiliary torsion spring (4) and can be around described
The force fit plate (13) that axle (12) rotates, described force fit plate (13) is upper to arrange described moving contact (6)；
Described main torsion spring (2) is in opposite direction with the twisting force of described auxiliary torsion spring (4)；
One end of described main torsion spring (2) is overlapped on described insulating support (1) by torsion compression, and the other end makes institute by torsion
The described moving contact (6) stated on force fit plate (13) is pressed into contact with described static contact (5)；
One end of described auxiliary torsion spring (4) is fixedly installed, and the other end is pressed on described force fit plate (13) by torsion, so that institute
State insulating support (1) and deform with described upper lid (8) and be moved upward to when disengaging with described main torsion spring (2), described auxiliary is turned round
The torsion of spring (4) drives described force fit plate (13) to rotate makes described moving contact (6) disconnect with described static contact (5).
2. explosion-proof type capacitor according to claim 1 it is characterised in that：Described operating mechanism also includes being against described pressure
Elastic compression block piece (7) on the wall of plywood (13) side, so that after described moving contact (6) is departed from described static contact (5), described
The power that offsets between elastic compression block piece (7) and described force fit plate (13) disappears, and described elastic compression block piece (7) elasticity is stretched
Going out to keep out described force fit plate (13) makes the described force fit plate (13) can not be along described moving contact (6) and described static contact (5) side of contact
To rotation.
3. explosion-proof type capacitor according to claim 2 it is characterised in that:Described elastic compression block piece (7) is included thoroughly
The alignment pin crossing described supporting table (11) and be against on the wall of described force fit plate (13) side and be connected to described alignment pin rear end
Compression spring.
4. the explosion-proof type capacitor according to any one of claim 1-3 it is characterised in that:Described insulating support (1) with
The lap position of described main torsion spring (2) disengages and leaves use between position to described insulating support (1) and described main torsion spring (2)
When covering (8) Light deformation upwards on described, the scalable that described main torsion spring (2) is not disengaged with described insulating support (1)
Displacement.
5. the explosion-proof type capacitor according to any one of claim 1-3 it is characterised in that：Described insulating support (1) is
Bakelite support, described binding post (14) is arranged on described bakelite support.
6. explosion-proof type capacitor according to claim 5 it is characterised in that：Described binding post (14) and described moving contact
(6) connected by copper cash.
7. the explosion-proof type capacitor according to any one of claim 1-3 it is characterised in that：Described housing (9) is cylinder
Shape.
8. the explosion-proof type capacitor according to any one of claim 1-3 it is characterised in that：Described upper lid (8) is aluminum
Or it is iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656386.7A CN103680938B (en) | 2013-12-06 | 2013-12-06 | Explosion proof type capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656386.7A CN103680938B (en) | 2013-12-06 | 2013-12-06 | Explosion proof type capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103680938A CN103680938A (en) | 2014-03-26 |
| CN103680938B true CN103680938B (en) | 2017-02-08 |
Family
ID=50318205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310656386.7A Active CN103680938B (en) | 2013-12-06 | 2013-12-06 | Explosion proof type capacitor |
Country Status (1)
| Country | Link |
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| CN (1) | CN103680938B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653429B (en) * | 2020-06-12 | 2022-03-22 | 铜陵市新洲电子科技有限责任公司 | Explosion-proof pressure switch for high-power capacitors |
| CN112863864B (en) * | 2020-12-31 | 2022-05-03 | 宁波海融电器有限公司 | Cylinder is full does compensating capacitor |
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| US5148347A (en) * | 1990-05-09 | 1992-09-15 | Aerovox Incorporated | Polymer-encased electrical capacitor with pressure sensitive circuit interrupter |
| EP2073224A2 (en) * | 2007-12-17 | 2009-06-24 | Schneider Electric Industries SAS | Capacitor protection device |
| CN202275712U (en) * | 2011-11-02 | 2012-06-13 | 常熟市天银机电股份有限公司 | Fire protection mechanism of alternating-current capacitor |
| CN202771964U (en) * | 2012-06-12 | 2013-03-06 | 安徽源光电器有限公司 | Explosion-proof dry-type capacitor for lamps |
| CN203026370U (en) * | 2013-01-30 | 2013-06-26 | 慈溪市日益电容器厂 | Explosion-proof type series capacitor |
| CN203596276U (en) * | 2013-12-06 | 2014-05-14 | 德力西电气有限公司 | Explosion-proof capacitor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH097875A (en) * | 1995-06-15 | 1997-01-10 | Nissin Electric Co Ltd | Capacitor protecting device |
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2013
- 2013-12-06 CN CN201310656386.7A patent/CN103680938B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5148347A (en) * | 1990-05-09 | 1992-09-15 | Aerovox Incorporated | Polymer-encased electrical capacitor with pressure sensitive circuit interrupter |
| EP2073224A2 (en) * | 2007-12-17 | 2009-06-24 | Schneider Electric Industries SAS | Capacitor protection device |
| CN101465203A (en) * | 2007-12-17 | 2009-06-24 | 施耐德电器工业公司 | Capacitor protection device |
| CN202275712U (en) * | 2011-11-02 | 2012-06-13 | 常熟市天银机电股份有限公司 | Fire protection mechanism of alternating-current capacitor |
| CN202771964U (en) * | 2012-06-12 | 2013-03-06 | 安徽源光电器有限公司 | Explosion-proof dry-type capacitor for lamps |
| CN203026370U (en) * | 2013-01-30 | 2013-06-26 | 慈溪市日益电容器厂 | Explosion-proof type series capacitor |
| CN203596276U (en) * | 2013-12-06 | 2014-05-14 | 德力西电气有限公司 | Explosion-proof capacitor |
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| Publication number | Publication date |
|---|---|
| CN103680938A (en) | 2014-03-26 |
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