CN203596276U - Explosion-proof capacitor - Google Patents
Explosion-proof capacitor Download PDFInfo
- Publication number
- CN203596276U CN203596276U CN201320800337.1U CN201320800337U CN203596276U CN 203596276 U CN203596276 U CN 203596276U CN 201320800337 U CN201320800337 U CN 201320800337U CN 203596276 U CN203596276 U CN 203596276U
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- Prior art keywords
- explosion
- torsion spring
- force fit
- moving contact
- upper cover
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- 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
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- 239000003990 capacitor Substances 0.000 title claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 229920001342 Bakelite® Polymers 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000004637 bakelite Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides an explosion-proof capacitor. The explosion-proof capacitor comprises an upper cover and a housing which are matched with each other. The upper cover is provided with connecting terminals. The bottom part of the upper cover is provided with an insulating support. The housing is internally provided with a capacitor device and an explosion-proof device. The explosion-proof device comprises a moving contact, a fixed contact and an operating mechanism, wherein the fixed contact is electrically connected with the capacitor device; and one end of the operating mechanism enables the moving contact to contact the fixed contact, and the other end of the operating mechanism is connected with the insulating support. At the moment when one end of the operating mechanism deforms upwards on the upper cover to enable the electrical release among the connecting terminals and the operating mechanism, the moving contact is disconnected with the fixed contact. The explosion-proof device provided by the utility model has no weak spots; and in the process that the current flows through the moving contact and the fixed contact by means of the connecting terminals and then reaches to the capacitor device, the inner part of the capacitor is prevented from generating a large amount of heat, the energy consumption is lowered, and the service lifetime of the capacitor is prolonged.
Description
Technical field
The utility model relates to a kind of capacitor, particularly a kind of explosion-proof type capacitor.
Background technology
At present, capacitor adopts metallized polypropylene film manufacture conventionally, and its electric property is good, and has self-healing feature.In the time that the capacitance of capacitor is larger (conventionally more than 15 μ F), if do not adopt safety device, security performance just can not be protected, even there will be explosion Ignition Phenomena, adopt the object of explosion-protection equipment be for the action of explosion-protection equipment when product goes wrong formation open-circuit condition explosion-proof in time, guarantee that product is disconnected from the circuit, thereby guarantee the safety and reliability that integral product is used.
In prior art, there is a kind of capacitor with explosion-proof line, between its housing and upper cover, be provided with the explosion-proof line of a strip metal system, capacitor is under the state puncturing, its inner polypropylene media generation molten stream thing a large amount of gas of association are by outside upper cover jack-up, cause explosion-proof line to be pulled off, make its explosion-protection equipment action form open-circuit condition, thereby guarantee the fail safe that product uses, but in actual use, if explosion-proof line is excessively thick, when capacitor is during in breakdown conditions, often there is the phenomenon that explosion-proof line can not be pulled off, can not play explosion-proof effect; If explosion-proof line is meticulous, it is just easily mounted personnel's misoperation when mounted and breaks, thereby causes capacitor to lose explosion-proof performance.
In order to address the above problem, Chinese patent literature CN201667288U provides a kind of explosion-proof cylindrical capacitor, it comprises the explosion-proof line that one end is connected with upper cover, explosion-proof line is provided with otch, otch is positioned at the junction of explosion-proof line and upper cover, by being set on explosion-proof line, otch solves the problem that capacitor explosion-proof line when the breakdown conditions can not be pulled off, and in the prior art, the incision of explosion-proof line is wrapped up by solder joint, has solved explosion-proof line be easily mounted when mounted the problem that personnel's misoperation is broken by this kind setting.
But, in use still there is following problem in the prior art: 1, in the prior art, the flow area of the incision of explosion-proof line is little compared to the flow area of other positions of explosion-proof line, resistance is large, like this, in the time of electric current process explosion-proof line, can cause exploding wire heat and rise, consume electric power increases, and explosion-proof line is positioned at capacitor internal, explosion-proof line caloric value rises to there being adverse effect the useful life of capacitor; 2, in the prior art, in the time that housing produces normal micro-distortion because of outside pressure or variations in temperature, upper cover also can upwards have a micro-deflection, and upper cover displacement potential upwards must have to the incision of explosion-proof line the damage of respective degrees, the flow area of explosion-proof line incision is further reduced, resistance further increases, cause in the time of electric current process explosion-proof line, the caloric value of explosion-proof line further increases, and not only increases electric energy loss, and has further damaged the useful life of capacitor.
Utility model content
For this reason, technical problem to be solved in the utility model is to overcome capacitor of the prior art, at electric current through out-of-date, through-flow of the incision of its explosion-proof line adopting is little, cause loss to increase, cause that caloric value rises, finally cause the problem that the capacitor product life-span reduces, thus provide a kind of at electric current through the normal explosion-proof type capacitor of out-of-date caloric value.
Further provide a kind of when housing is during because of outside pressure or variations in temperature generation normal deformation, the explosion-proof type capacitor that loss and through-current capability are constant.
For solving the problems of the technologies described above, the utility model provides a kind of explosion-proof type capacitor, comprise the upper cover and the housing that cooperatively interact, on described, cover and be provided with binding post, described upper cover bottom is provided with insulating support, is provided with capacitive means and by the explosion-protection equipment of described binding post and the electrical connection of described capacitive means in described housing; Described explosion-protection equipment comprises that the moving contact being electrically connected with described binding post, the fixed contact being electrically connected with described capacitive means and one end compress described moving contact described moving contact is contacted with described fixed contact, the operating mechanism that the other end is connected with described insulating support, described one end of described operating mechanism, in the time that described upper cover is upwards deformed into described binding post and the disengaging of described insulating support, disconnects described moving contact and described fixed contact.
Described operating mechanism comprises the base being fixed in described housing, described base comprises base plate and two brace tables that are molded on described base plate and are oppositely arranged, described fixed contact is set on described base plate, described in two, between brace table, set up axle, the force fit plate that described axle is provided with main torsion spring, auxiliary torsion spring and can rotates around described axle, arranges described moving contact on described force fit plate; The twisting force opposite direction of described main torsion spring and described auxiliary torsion spring; One end of described main torsion spring is compressed and is overlapped on described insulating support by torsion, and the other end makes the described moving contact on described force fit plate compress and contact with described fixed contact by torsion; One end of described auxiliary torsion spring is fixedly installed, the other end is pressed on described force fit plate by torsion, so that described insulating support is moved upward to while disengaging with described main torsion spring with the distortion of described upper cover, the torsion of described auxiliary torsion spring drives described force fit plate to rotate and makes described moving contact and the disconnection of described fixed contact.
Described operating mechanism also comprises the elastic compression block piece being against on described force fit plate sidewall, so that after described moving contact and the disengaging of described fixed contact, the power that offsets between described elastic compression block piece and described force fit plate disappears, and described elastic compression block piece elasticity is stretched out and kept out described force fit plate and can not contact along described moving contact direction rotation with described fixed contact.
Described elastic compression block piece comprises and sees through described brace table and be against the alignment pin on described force fit plate sidewall and be connected to the Compress Spring of described alignment pin rear end.
The lap position of described insulating support and described main torsion spring to described insulating support and described main torsion spring disengages and between position, leaves at described upper cover upwards when micro-distortion, the adjustable displacement that described main torsion spring does not disengage with described insulating support.
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 cylindrical.
Described upper cover is aluminum or iron.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. in the utility model, its explosion-protection equipment comprises moving contact, with fixed contact and one end compression moving contact of capacitive means electrical connection, moving contact is contacted with fixed contact, the operating mechanism that the other end is electrically connected with binding post, the utility model passes through moving contact, fixed contact and operating mechanism are electrically connected binding post with capacitive means, on explosion-protection equipment, there is not weak spot, in the time that electric current is flowed through dynamic/static contact arrival capacitive means from binding post, capacitor internal of the present utility model can not produce amount of heat, with respect to prior art, reduce energy consumption, and be conducive to capacitor product useful life, in addition, one end that moving contact and fixed contact are contacted of operating mechanism upper cover because of housing in pressure or variations in temperature be upwards deformed into while departing from operating mechanism between insulation, order about moving contact and disconnect and contact with fixed contact, formation open-circuit condition is explosion-proof in time.
2. in the utility model, its operating mechanism comprises the base being fixed in housing, be erected at the axle on base and be arranged on the main torsion spring on axle, auxiliary torsion spring and force fit plate, one end of main torsion spring is compressed and is overlapped on insulating support by torsion, the moving contact that the other end orders about on force fit plate by torsion compresses and contacts with fixed contact, one end of auxiliary torsion spring is fixedly installed, the other end is pressed on force fit plate by torsion, the twisting force of main torsion spring is in the direction of force fit plate and the twisting force of auxiliary torsion spring in the opposite direction of force fit plate, and the torque that main torsion spring acts on force fit plate is greater than the torque of assisting torsion spring to act on force fit plate, thereby when insulating support is not disengaged with main torsion spring, the torsion of main torsion spring overcomes the torsion of auxiliary torsion spring and moving contact and fixed contact compression is contacted, guarantee the conducting of the circuit of electric capacity product under normal condition, in the time that capacitor internal punctures or damage, upper cover is upwards out of shape, and insulating support is moved upward to main torsion spring and disengages with upper cover, and the torsion of main torsion spring disappears, the torsion of auxiliary torsion spring orders about force fit plate rotation disengages moving contact and fixed contact, realizes protection.
3. in the utility model, operating mechanism also comprises the elastic compression block piece being against on force fit plate sidewall, in the time that capacitor internal punctures or damage, upper cover is upwards out of shape and drives insulating support to move up and depart from the end of main torsion spring, the torsion of main torsion spring disappears, the torsional force urges force fit plate of auxiliary torsion spring rotates, moving contact and fixed contact on force fit plate are departed from, after force fit plate rotates, the sidewall of elastic compression block piece and force fit plate departs from, the power that offsets between elastic compression block piece and force fit plate disappears, elastic compression block piece elasticity is stretched out and is kept out on the plate face of force fit plate, making force fit plate not contact direction with fixed contact along moving contact moves, thereby thereby the electric arc suction adhesive force fit plate revolution that has prevented dynamic/static contact disengaging moment generation causes the situation that the moving contact on force fit plate contacts with fixed contact again to occur.
4. in the utility model, between the lap-joint of its insulating support and main torsion spring to insulating support and the main torsion spring place of disengaging, leave for upper cover upwards when micro-distortion, the adjustable displacement that main torsion spring does not disengage with insulating support, by the setting of adjustable displacement, make in the time that capacitor internal volume changes because of outside pressure or variations in temperature, upper cover is micro-distortion upwards, insulating support moves up along with micro-distortion of upper cover, in the time that displacement is in adjustable displacement set point, on capacitor internal without impact, loss and electric current through-current capability are constant, further realize the protection to capacitor, only have in the time that displacement exceedes adjustable displacement set point, the just landing from insulating support of main torsion spring, moving contact and fixed contact depart from.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the assembling schematic diagram of upper cover of the present utility model, binding post and explosion-protection equipment;
Fig. 2 is the structural representation of the utility model noinductive capacitor.
In figure, Reference numeral is expressed as: 1-insulating support, the main torsion spring of 2-, the auxiliary torsion spring of 4-, 5-fixed contact, 6-moving contact, 7-elastic compression block piece, 8-upper cover, 9-housing, 10-base plate, 11-brace table, 12-axle, 13-force fit plate, 14-binding post.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
As depicted in figs. 1 and 2, the present embodiment provides a kind of explosion-proof type capacitor, comprise the upper cover 8 and the housing 9 that cooperatively interact, described upper cover 8 is provided with binding post 14, and described upper cover 8 bottoms are provided with insulating support 1, in the present embodiment, described binding post 14 is made as three, corresponding with the three-phase circuit of capacitive means inside, in described housing 9, is provided with capacitive means and explosion-protection equipment, in the present embodiment, described explosion-protection equipment is located between described upper cover 14 and described capacitive means, in the present embodiment, described explosion-protection equipment comprises the moving contact 6 being electrically connected with described binding post 14, the fixed contact 5 being electrically connected with described capacitive means and one end compress described moving contact 6 makes described moving contact 6 contact with described fixed contact 5, the operating mechanism that the other end is connected with described insulating support 1, in the time that the capacitor internal of the present embodiment punctures or damages, described upper cover 8 is upwards out of shape, upwards be deformed between described insulation 1 while departing from described operating mechanism at described upper cover 8, described one end of described operating structure makes described moving contact 6 disconnect with described fixed contact 5, form open-circuit condition explosion-proof in time.The present embodiment is electrically connected described binding post 14 by described moving contact, fixed contact and operating mechanism with described capacitive means, on described explosion-protection equipment, there is not weak spot, when electric current is flowed through dynamic/static contact while arriving described capacitive means from described binding post 14, the capacitor internal of the present embodiment can not produce amount of heat, with respect to prior art, reduce energy consumption, and be conducive to capacitor product useful life.
Particularly, in the present embodiment, as shown in Figure 1, described operating mechanism comprises the base being fixed in described housing 9, described base comprises base plate 10 and two brace tables 11 that are molded on described base plate 10 and are oppositely arranged, described fixed contact 5 is set on described base plate 10, and in the present embodiment, described fixed contact 5 is made as three, described in two, brace table 11 relative position moulding are porose, between two relatively described holes, set up axle 12, in the present embodiment, described axle 12 be fixed on two described between hole, the force fit plate 13 that described axle 12 is provided with main torsion spring 2, auxiliary torsion spring 4 and can rotates around described axle 12, described main torsion spring 2 can be set to one, also can be set to multiple, for example two or three etc., in the present embodiment, as shown in Figure 1, described main torsion spring 2 is set to one, is enclosed within described axle 12 centre positions, described auxiliary torsion spring 4 can be set to one, also can be set to multiple, in the present embodiment, as shown in Figure 1, described auxiliary torsion spring 4 is set to one, is enclosed within on the described axle 12 near described brace table 11 places, described moving contact 6 is set on described force fit plate 13, and in the present embodiment, described moving contact 6 is made as three, described main torsion spring 2 one end compress by torsion on the surface that is overlapped on described insulating support 1, the other end is pressed on described force fit plate 13 by torsion, make three described moving contacts 6 on described force fit plate 13 compress and contact with three described fixed contacts 5 on described base plate 10, described auxiliary torsion spring 4 one end are fixedly installed, described being fixedly installed refers to that described auxiliary torsion spring 4 can be fixedly installed on described base, also can be fixedly installed on described housing 9, the other end of described auxiliary torsion spring 4 is pressed on described force fit plate 13 by torsion, the torsion of described auxiliary torsion spring 4 is contrary with the force direction of described main torsion spring 2, be that described auxiliary torsion spring 4 orders about direction and the described main torsion spring 2 that described force fit plate 13 rotates around described axle 12 and orders about the opposite direction that described force fit plate 13 rotates around described axle 12, and, described auxiliary torsion spring 4 orders about torque that described force fit plate 13 rotates and is less than described main torsion spring 2 and orders about the torque that described force fit plate 13 rotates, this is arranged so that the described moving contact 6 on described force fit plate 13 can be pressed on the described fixed contact 5 of described base plate 10, when the described capacitor generation internal breakdown of the present embodiment or while damaging, described upper cover 8 is upwards out of shape, described insulating support 1 is out of shape with described upper cover 8 and moves up, one end that described main torsion spring 2 contacts with described insulating support 1 is at the surface sliding of described insulating support 1, in the time that described insulating support 1 is moved upward to the surface of described insulating support 1 and the end of described main torsion spring 2 and disengages, the torsion of described main torsion spring 2 disappears, the torsion of described auxiliary torsion spring 4 drives described force fit plate 13 to rotate round about, thereby described moving contact 6 is disconnected with described fixed contact 5, realize protection.
In the present embodiment, described operating mechanism also comprises the elastic compression block piece 7 being against on described force fit plate 13 sidewalls, so that after described moving contact 6 and 5 disengagings of described fixed contact, the power that offsets between described elastic compression block piece 7 and described force fit plate 13 disappears, and described elastic compression block piece 7 elasticity are stretched out and kept out described force fit plate 13 and make described force fit plate 13 can not contact along described moving contact 6 direction rotation with described fixed contact 5.
Particularly, described elastic compression block piece 7 comprises and sees through described brace table 11 and be against the alignment pin on described force fit plate 13 sidewalls and be connected to the Compress Spring of described alignment pin rear end.
In the time that capacitor internal punctures or damage, described upper cover 8 is upwards out of shape and drives described insulating support 1 to move up and depart from the end of described main torsion spring 2, 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, described moving contact 6 on described force fit plate 13 is departed from described fixed contact 5, after described force fit plate 13 rotates, the sidewall of described alignment pin and described force fit plate 13 departs from, the power that offsets between described alignment pin and described force fit plate 13 disappears, described Compress Spring elasticity discharges, promoting described alignment pin stretches out, thereby stop that described force fit plate 13 can not contact along moving contact direction and rotate with fixed contact, thereby prevent that described dynamic/static contact from departing from force fit plate 13 described in the electric arc suction adhesive that moment produces and turning round, thereby cause the situation that the described moving contact 6 on described force fit plate contacts with described fixed contact 5 again to occur.
In addition, in the present embodiment, as shown in Figure 1, described insulating support 1 punctures or damages to described capacitor internal with the lap position of described main torsion spring 2, described insulating support 1 and described main torsion spring 2 disengage and between position, leave at described upper cover 8 upwards when micro-distortion, the adjustable displacement that described main torsion spring 2 does not disengage with described insulating support 1, by described adjustable displacement be arranged so that change because of outside pressure or variations in temperature when described capacitor internal volume, described upper cover 8 is upwards out of shape, described insulating support 1 is along with described upper cover 8 moves up, within displacement that insulating support 1 the moves up set point in described adjustable displacement time, described capacitor internal is without impact, flow through loss and the negotiability of described capacitor of electric current is constant, in the time that capacitor internal punctures or damage, when the displacement that described insulating support 1 moves up exceedes the set point of described adjustable displacement, the end of described main torsion spring 2 is from the surperficial landing of described insulating support 1, the torsion of described main torsion spring 2 disappears, described auxiliary torsion spring 4 separates described moving contact 6 by torsion with described fixed contact 5, realize protection.
In the present embodiment, as shown in Figure 1, described insulating support 1 is bakelite support, and described binding post 14 is arranged on described bakelite support.
In the present embodiment, described binding post 14 is realized with being electrically connected by copper cash of described moving contact 6.
In the present embodiment, described capacitor is cylindrical capacitor, and described housing 9 is cylindrical, and described upper cover 8 is circular, and circular described upper cover 8 covers on columniform described housing 9.
In the present embodiment, described upper cover 8 is aluminum or iron.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And among the protection range that the apparent variation of being extended out thus or variation are still created in the utility model.
Claims (9)
1. an explosion-proof type capacitor, comprise the upper cover (8) and the housing (9) that cooperatively interact, described upper cover (8) is provided with binding post (14), and described upper cover (8) bottom is provided with insulating support (1), and described housing is provided with capacitive means and explosion-protection equipment in (9);
It is characterized in that, described explosion-protection equipment comprises that the moving contact (6) being electrically connected with described binding post (14), the fixed contact (5) being electrically connected with described capacitive means and one end compress described moving contact (6) described moving contact (6) is contacted with described fixed contact (5), the operating mechanism that the other end is connected with described insulating support (1), described one end of described operating mechanism, in the time that described upper cover (8) is upwards deformed into described binding post (14) with described insulating support (1) disengaging, disconnects described moving contact (6) and described fixed contact (5).
2. explosion-proof type capacitor according to claim 1, it is characterized in that: described operating mechanism comprises the base being fixed in described housing (9), described base comprises base plate (10) and is molded over two brace tables (11) that described base plate (10) is upper and be oppositely arranged, described fixed contact (5) is set on described base plate (10), between brace table described in two (11), set up axle (12), 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 moving contact (6) is set on described force fit plate (13),
The twisting force opposite direction of described main torsion spring (2) and described auxiliary torsion spring (4);
One end of described main torsion spring (2) is compressed and is overlapped on described insulating support (1) above by torsion, and the other end makes the described moving contact (6) on described force fit plate (13) compress and contact with described fixed contact (5) by torsion;
One end of described auxiliary torsion spring (4) is fixedly installed, the other end is pressed on described force fit plate (13) by torsion, so that described insulating support (1) is moved upward to while disengaging with described main torsion spring (2) with described upper cover (8) distortion, the torsion of described auxiliary torsion spring (4) drives described force fit plate (13) to rotate described moving contact (6) and described fixed contact (5) are disconnected.
3. explosion-proof type capacitor according to claim 2, it is characterized in that: described operating mechanism also comprises the elastic compression block piece (7) being against on described force fit plate (13) sidewall, so that after described moving contact (6) and described fixed contact (5) disengaging, the power that offsets between described elastic compression block piece (7) and described force fit plate (13) disappears, and described elastic compression block piece (7) elasticity is stretched out and kept out described force fit plate (13) and make described force fit plate (13) can not contact along described moving contact (6) direction rotation with described fixed contact (5).
4. explosion-proof type capacitor according to claim 3, is characterized in that: described elastic compression block piece (7) comprises and sees through described brace table (11) and be against the alignment pin on described force fit plate (13) sidewall and be connected to the Compress Spring of described alignment pin rear end.
5. according to the explosion-proof type capacitor described in any one in claim 2-4, it is characterized in that: the lap position of described insulating support (1) and described main torsion spring (2) to described insulating support (1) and described main torsion spring (2) disengages and between position, leave at described upper cover (8) upwards when micro-distortion the adjustable displacement that described main torsion spring (2) does not disengage with described insulating support (1).
6. explosion-proof type capacitor according to claim 5, is characterized in that: described insulating support (1) is bakelite support, and described binding post (14) is arranged on described bakelite support.
7. explosion-proof type capacitor according to claim 6, is characterized in that: described binding post (14) is connected by copper cash with described moving contact (6).
8. according to the explosion-proof type capacitor described in claim 6 or 7, it is characterized in that: described housing (9) is for cylindrical.
9. explosion-proof type capacitor according to claim 8, is characterized in that: described upper cover (8) is aluminum or iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800337.1U CN203596276U (en) | 2013-12-06 | 2013-12-06 | Explosion-proof capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320800337.1U CN203596276U (en) | 2013-12-06 | 2013-12-06 | Explosion-proof capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN203596276U true CN203596276U (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320800337.1U Expired - Lifetime CN203596276U (en) | 2013-12-06 | 2013-12-06 | Explosion-proof capacitor |
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| CN (1) | CN203596276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680938A (en) * | 2013-12-06 | 2014-03-26 | 德力西电气有限公司 | Explosion proof type capacitor |
-
2013
- 2013-12-06 CN CN201320800337.1U patent/CN203596276U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680938A (en) * | 2013-12-06 | 2014-03-26 | 德力西电气有限公司 | Explosion proof type capacitor |
| CN103680938B (en) * | 2013-12-06 | 2017-02-08 | 德力西电气有限公司 | Explosion proof type capacitor |
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| GR01 | Patent grant |