CN105225883A - Sub-component and earthed switch thereof are touched in quiet striking - Google Patents
Sub-component and earthed switch thereof are touched in quiet striking Download PDFInfo
- Publication number
- CN105225883A CN105225883A CN201410300276.1A CN201410300276A CN105225883A CN 105225883 A CN105225883 A CN 105225883A CN 201410300276 A CN201410300276 A CN 201410300276A CN 105225883 A CN105225883 A CN 105225883A
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- striking
- touched
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- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 22
- 239000012212 insulator Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 4
- 238000002679 ablation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of quiet striking and touch sub-component, it comprises a housing, son and a spring are touched in axle, a quiet striking, and wherein said housing has an opening.The end that son is touched in described quiet striking is stretched into described opening and is connected rotationally with described housing by described axle.Described spring is connected with described housing and impels described quiet striking to touch sub side of being partial to described opening.The invention still further relates to and a kind ofly comprise the earthed switch that sub-component is touched in aforementioned quiet striking.Sub-component is touched in quiet striking of the present invention and earthed switch can be used in higher electric pressure, and reliable, cost is lower.
Description
Technical field
The present invention relates to quiet striking and touch sub-component, sub-component is touched in especially a kind of quiet striking for electric power system high-voltage switch.In addition, the invention still further relates to the earthed switch adopting this quiet striking to touch sub-component.
Background technology
High-voltage switch gear in electric power system, such as, for the isolating switch of power transmission and transformation, is wherein combined with earthed switch.Earthed switch is the mechanical switch for circuit ground part, and it will can carry the electric current under non-normal condition within a certain period of time, such as short circuit current, but does not require the normal operating electric current of its carrying.In the process that electric equipment is overhauled, as long as it may produce induced voltage in possibility power transmission to all directions of power failure equipments, all want closed ground switch, with the personal safety avoiding the unexpected incoming call in maintenance process to injure related personnel.Traditional earthed switch does not require to have arc-initiating device.But along with the development of electric power system, ehv power transmission obtains to be widelyd popularize.In order to solve the more and more nervous problem in power transmission and transformation corridor, often adopt same tower double back transmission line.Because the separation of same tower double back transmission line is very near, between wire and wire over the ground between all there is stronger electromagnetism and electrostatic coupling, for guaranteeing reliability in maintenance process and fail safe, require that the earthed switch that circuit adopts has the ability of opening and closing induction current, thus must arc-initiating device be set.
Disclose a kind of arc striking device for high-voltage grounding in Chinese utility model patent CN201804780, wherein the below of grounding contact is provided with a striking contact, and ground connection fingertip is provided with run-on tab.In earthed switch making process, produce electric arc and first come in contact between striking contact and run-on tab, grounding contact just contacts with ground connection fingertip subsequently.Above-mentioned arc striking device for high-voltage grounding can meet technical requirement under lower electric pressure, but for higher electric pressure, such as about 500kV and above electric pressure then may occur the relevant issues such as insulation distance is inadequate.
Summary of the invention
The object of the present invention is to provide a kind of quiet striking to touch sub-component, it can be used in higher electric pressure, and reliable, cost is lower.This quiet striking is touched sub-component and is comprised a housing, axle, a tactile son of quiet striking and a spring, and wherein said housing has an opening.The end that son is touched in described quiet striking is stretched into described opening and is connected rotationally with described housing by described axle.Described spring is connected with described housing and impels described quiet striking to touch sub side of being partial to described opening.This quiet striking is touched that the structure of sub-component is simple, cost is lower, reliable and can be installed easily independent of the main contact of switch, is specially adapted to the switch with high voltage grade.
An aspect of sub-component is touched according to quiet striking of the present invention, sub described end is touched in described quiet striking and described axle is fixed, and described axle is connected rotationally with described housing, described spring touches son rotation by limiting described quiet striking impels described quiet striking to touch the side of the described opening of son deflection.By spring, sub-applying power is touched to quiet striking, namely ensure that striking touches son prior to main contact contact, in turn ensure that the reliability of the two contact.
Touch the another aspect of sub-component according to quiet striking of the present invention, described housing is made up of two and half shells, and is provided with two cushion blocks between described two and half shells, and described two and half shells and described two cushion blocks are fixed.The assembling of sub-component is touched by the quiet striking of combined and instant of two and half shells and cushion block.
Touch the one side again of sub-component according to quiet striking of the present invention, the other end that son is touched in described quiet striking is fixed with a bulb.Bulb is conducive to reducing or eliminating the impact that the normal operation of point discharge on switch that may exist causes.
Touch the another aspect of sub-component according to quiet striking of the present invention, described quiet striking is touched sub-component and is also comprised an insulating case, and described insulating case is fixed on described quiet striking and touches on son.Insulating case ensure that no longer flowing through dynamic striking at main contact conducting after-current touches son and the tactile son of quiet striking.
Touch the another aspect of sub-component according to quiet striking of the present invention, described earthed switch also comprises a soft pigtail of conduction, and the soft pigtail of described conduction is electrically connected described housing and son is touched in described quiet striking.The soft pigtail that conducts electricity is conducive to housing and the reliability be electrically connected between son is touched in quiet striking.
The present invention also aims to provide a kind of earthed switch, it can be used in higher electric pressure, and reliable, cost is lower.This earthed switch comprises an insulator, binding post, fixed contact, moving contact, a dynamic striking are touched son, two grading rings and an aforesaid quiet striking and touched sub-component, and wherein said binding post is fixed on the top of described insulator.Described quiet striking is touched between one that sub-component is connected in the side of described binding post and described grading ring, and another in described grading ring is connected to the opposite side of described binding post.Described fixed contact is connected to described binding post and described quiet striking is touched between sub-component, and described moving contact and described dynamic striking are touched the position of son to touch sub-component with described fixed contact and described quiet striking respectively corresponding.In the making process of described earthed switch, the tactile son of described dynamic striking touches sub-component with described quiet striking and contacts with described moving contact prior to described fixed contact.In the separating brake process of described earthed switch, described dynamic striking is touched after son touches sub-component with described quiet striking and is separated with described moving contact in described fixed contact.The binding post of this earthed switch and quiet striking touch that the structure of sub-component is simple, cost is lower, reliable, and quiet striking is touched sub-component and can be installed easily independent of the main contact of switch, is specially adapted to the switch with high voltage grade.
According to an aspect of earthed switch of the present invention, the position of described insulating case is arranged to, in described earthed switch making process, described dynamic striking is touched son and is touched with described quiet striking the surface sliding touching son after sub contact along described quiet striking, until stay on described insulating case after described fixed contact and described moving contact good contact, and when described grounding switch tripping process starts, the tactile son of described dynamic striking and described quiet striking are touched son and are resumed contacts immediately, until described fixed contact is just separated after being separated completely with described moving contact.The position of the insulating case of such setting ensure that no longer flowing through striking at main contact conducting after-current touches son.
According to the another aspect of earthed switch of the present invention, described binding post comprises a linking arm, a terminal block and a padded seat, described linking arm is fixed between described terminal block and described padded seat, an end of described linking arm connects described quiet striking and touches sub-component, described fixed contact is fixed on described linking arm and also touches sub-component setting near described quiet striking, and described padded seat and described insulator are fixed.Padded seat is conducive to the creepage distance ensured between other parts of insulator and switch.
According to the one side again of earthed switch of the present invention, described linking arm is welded to described terminal block, and described terminal block is fixed to described padded seat by least one sleeve, a described end of described linking arm is touched sub-component by described quiet striking and is connected with in described grading ring, and another end of described linking arm is connected with another in described grading ring.Weld lower and reliable with the cost of the binding post be connected.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to technological means of the present invention can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present invention, feature and advantage, below especially exemplified by better embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
The preferred embodiments of the present invention will be described in detail by referring to accompanying drawing below, the person of ordinary skill in the art is more clear that above-mentioned and other feature and advantage of the present invention, in accompanying drawing:
Fig. 1 is the schematic perspective view of the earthed switch according to one embodiment of the present invention;
Fig. 2 is the decomposing schematic representation of earthed switch in Fig. 1;
Fig. 3 is the decomposing schematic representation of Fig. 1 middle connecting terminal;
Fig. 4 is the decomposing schematic representation that in Fig. 1, sub-component is touched in quiet striking;
Sub-component is touched in the quiet striking that Fig. 5 further illustrates in Fig. 4.
Wherein, Reference numeral is as follows:
| 1 | Earthed switch | 13 | Binding post |
| 11 | Sub-component is touched in quiet striking | 1311、1312 | Linking arm end |
| 111 | Housing | 132 | Terminal block |
| 112 | Axle | 1322 | Hole |
| 113 | Son is touched in quiet striking | 133 | Padded seat |
| 114 | Spring | 134 | Sleeve |
| 115 | Cushion block | 14 | Bar |
| 116 | Bulb | 141 | Dynamic striking contact |
| 1111、1112 | Hole | 142 | Moving contact |
| 12 | Fixed contact | 143 | Dynamic striking contact connector |
| 121 | Fixed contact body | 151、152 | Grading ring |
| 122 | Fixed contact connector | 153 | Insulator |
| 131 | Linking arm | 117 | Conduct electricity soft pigtail |
| 118 | Insulating case |
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, the present invention is described in more detail by the following examples.
Fig. 1 and Fig. 2 illustrates earthed switch 1 of the present invention, and sub-component 11 is touched in its quiet striking of one had as shown in Figures 4 and 5.Quiet striking is touched sub-component 11 and is comprised the tactile son 113 of a housing 111, axle 112, quiet striking and a spring 114, and its middle shell 111 has an opening.The end that son 113 is touched in quiet striking is stretched into described opening and is connected rotationally with housing 111 by axle 112.The other end that son 113 is touched in quiet striking is fixed with a bulb 116.Bulb 116 is made of metal usually, and it is conducive to reducing or eliminating the impact that the normal operation of point discharge on switch that may exist causes.In addition, it will be appreciated by those skilled in the art that and also can arrange by the shape of the other end of quiet striking being touched to son 113 instead of reach same or similar effect by bulb 116.Spring 114 is connected with housing 111 and the side of impelling quiet striking to touch son 113 to be partial to described opening.
Quiet striking is touched sub 113 ends stretching into described opening and can be fixed with axle 112, such as by clamping or be threaded (such as, touch the coordinating of screw thread on son 113 by nut and quiet striking) mode be secured in the middle part of axle 112, and axle 112 is connected rotationally with housing 111, such as be there is by axle 112 its two ends as shown in Figure 5 the boss in the hole 1112 of inserting on housing 111, thus after being in place, moving axially of restrictive axes 112 can not carried out by any extra part.Spring 114 touches son 113 rotation by limiting quiet striking impels quiet striking to touch the side of son 113 deflection openings, but the not shown mode limited the rotation of axle 112 also can be adopted to the side of impelling quiet striking to touch the described opening of son 113 deflection.Spring 114 can be torsion spring, but also can for realizing other springs of identical function.As shown in Figure 4, housing 111 is made up of two and half shells, and between two and half shells, be provided with two cushion blocks 115, wherein two and half shells fix with two cushion blocks 115 by the bolt or screw (not shown) passing the hole 1111 on it, and are fixed to an end 1311 of the linking arm 131 of earthed switch 1 upper connecting terminal 13 when needed further.Half shell and cushion block are metal material.In unshowned execution mode of the present invention, housing 111 also can be other form, such as, be an integral piece containing the casting of half shell and cushion block.
Sub-component 11 is touched in quiet striking also can comprise an insulating case 118.Insulating case 118 is fixed on quiet striking and touches on son 113, and for realizing insulation after fixed contact 12 and moving contact 142 good contact between son 141 is touched in dynamic striking and quiet striking touches sub 113, to guarantee that no longer flowing through dynamic striking at main contact conducting after-current touches son 141 and the tactile son 113 of quiet striking, but insulating case 118 is optional.
Fig. 1 and 2 illustrates a kind of earthed switch 1.Earthed switch 1 comprises 151, the 152 and above-mentioned quiet striking of an insulator 153, binding post 13, fixed contact 12, moving contact 142, dynamic striking tactile son 141, two grading rings and touches sub-component 11, and its middle connecting terminal 13 is fixed on the top of insulator 153.Quiet striking is touched sub-component 11 and is connected between the side of binding post 13 and grading ring 151, be more particularly be connected between an end 1311 of linking arm 131 and grading ring 151 by the hole 1111 on housing 111, and grading ring 152 is connected to the opposite side of binding post 13.Dynamic striking contact 141 is fixed on bar 14 by dynamic striking contact connector 143, and keeps suitable distance with moving contact 142.Fixed contact 12 is connected to binding post 13 and quiet striking is touched between sub-component 11.The position of son 141 is touched in moving contact 142 and dynamic striking, and to touch sub-component 11 with fixed contact 12 and quiet striking respectively corresponding.In the making process of earthed switch 1, the tactile son 141 of dynamic striking touches sub-component 11 with quiet striking and contacts with moving contact 142 prior to fixed contact 12.In the separating brake process of earthed switch 1, the tactile son 141 of dynamic striking touches after sub-component 11 with quiet striking and is separated with moving contact 142 in fixed contact 12.Due to spring 114 impel quiet striking touch son 113 deflection openings towards dynamic striking touch son 141 side, so son 141 and the quiet striking distance touched between sub-component 11 are touched in dynamic striking be less than distance between fixed contact 12 and moving contact 142, therefore dynamic striking is touched son 141 and is touched sub-component 11 with quiet striking and first contact with moving contact 142 relative to fixed contact 12 in the making process of earthed switch, and in the separating brake process of earthed switch after be separated, thus avoid the ablation to fixed contact 12 and moving contact 142 of electric arc in the process.Touch between son (namely son 113 is touched in the tactile son 141 of dynamic striking and quiet striking) and main contact (i.e. fixed contact 12 and moving contact 142) due to striking again and maintain suitable distance, therefore avoid again puncturing and/or ablation between the two as much as possible.
Touching sub-component 11 in quiet striking comprises in the execution mode of an insulating case 118, the position of insulating case 118 is arranged like this, namely in the making process of earthed switch 1, dynamic striking is touched son 141 and quiet striking and is touched the surface sliding touching sub 113 after son 113 contacts along quiet striking, until stay on insulating case 118 after fixed contact 12 and moving contact 142 good contact.And when the separating brake process of earthed switch 1 starts, son 141 is touched in dynamic striking and the tactile son 113 of quiet striking resumes contacts immediately, until fixed contact 12 is just separated after being separated completely with moving contact 142, thus guarantee that no longer flowing through striking at main contact conducting after-current touches son.Due to spring 114 impel quiet striking touch son 113 deflection openings towards dynamic striking touch son 141 side, touch dynamic striking in the processes of son 113 contact and touch son 141 and quiet striking so touch son 141 and quiet striking in dynamic striking and touch between son 113 and there is a pair active force and reaction force all the time, thus ensure that the reliable contacts that son 113 is touched in son 141 and quiet striking is touched in dynamic striking.
Fig. 3 further illustrates binding post 13.Binding post 13 comprises a linking arm 131, terminal block 132 and a padded seat 133, and wherein linking arm 131 and terminal block 132 can be aluminum, and padded seat 133 can be steel.Hole 1322 on terminal block 132 is for the further wiring of binding post 13.Linking arm 131 is fixed between terminal block 132 and padded seat 133, and padded seat 133 is fixed to insulator 153 by bolt (not shown).An end 1311 of linking arm 131 connects quiet striking and touches sub-component 11.The body 121 of fixed contact 12 to be fixed on linking arm 131 by fixed contact connector 122 and to be touched sub-component 11 near quiet striking and arranges.Linking arm 131 can be connected with terminal block 132 by welding, but also can be bolted or rivet.Terminal block 132 can as shown in Figure 3 by being fixed to padded seat 133 through the bolt (not shown) of four sleeves 134, or the sleeve having several holes by a unshowned execution mode is fixed, make cast-in-block parts again or by linking arm, terminal block and padded seat, but the binding post cost of welding or connection is lower, installation is more flexible.An end 1311 of linking arm 131 is touched sub-component 11 by quiet striking and is connected with grading ring 151, and another end 1312 of linking arm 131 is directly connected with grading ring 152.
In the making process of earthed switch of the present invention, son 113 is touched in the quiet striking that first the dynamic striking contact 141 fixing with moving contact 142 touch sub-component 11 near quiet striking, thus moving contact 142 just contacts with fixed contact 12 after dynamic striking contact 141 and the tactile son 113 of quiet striking contact.And in the separating brake process of earthed switch of the present invention, first moving contact 142 disengages with fixed contact 12, after moving contact 142 and fixed contact 12 reach certain distance, dynamic striking contact 141 just touches son 113 with quiet striking and disengages, before the tactile son 113 of dynamic striking contact 141 and quiet striking disconnects completely, produce electric arc therebetween.The structure of earthed switch of the present invention is simple, reliable, thus is grounded the reliable closed and disconnected of switch with lower cost, avoids the ablation of electric arc to moving contact and fixed contact.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. sub-component is touched in a quiet striking, comprise a housing (111), son (113) and a spring (114) are touched in axle (112), a quiet striking, wherein said housing (111) has an opening, the end that son (113) is touched in described quiet striking is stretched into described opening and is connected rotationally with described housing (111) by described axle (112), and described spring (114) is connected with described housing (111) and impels the tactile son (113) of described quiet striking to be partial to the side of described opening.
2. sub-component is touched in quiet striking according to claim 1, described end and the described axle (112) of the tactile son (113) of wherein said quiet striking are fixed, and described axle (112) is connected rotationally with described housing (111), the rotation that described spring (114) touches son (113) by the described quiet striking of restriction impels the tactile son (113) of described quiet striking to be partial to the side of described opening.
3. sub-component is touched in quiet striking according to claim 2, wherein said housing (111) is made up of two and half shells, and between described two and half shells, being provided with two cushion blocks (115), described two and half shells and described two cushion blocks (115) are fixed.
4. sub-component is touched in the quiet striking according to any one in claims 1 to 3, and the other end that son (113) is touched in wherein said quiet striking is fixed with a bulb (116).
5. sub-component is touched in quiet striking according to claim 4, wherein said quiet striking is touched sub-component (11) and is also comprised an insulating case (118), and described insulating case (118) is fixed on described quiet striking and touches on son (113).
6. earthed switch according to claim 4, wherein said earthed switch also comprises the soft pigtail of a conduction (117), and the soft pigtail of described conduction (117) is electrically connected described housing (111) and son (113) is touched in described quiet striking.
7. an earthed switch, comprise an insulator (153), a binding post (13), a fixed contact (12), a moving contact (142), son (141) is touched in a dynamic striking, two grading rings (151, 152) and a quiet striking according to any one in claim 1 to 6 touch sub-component (11), wherein said binding post (13) is fixed on the top of described insulator (153), described quiet striking is touched between (151) that sub-component (11) is connected in the side of described binding post (13) and described grading ring, and another (152) in described grading ring are connected to the opposite side of described binding post (13), described fixed contact (12) is connected to described binding post (13) and described quiet striking is touched between sub-component (11), it is corresponding that sub-component (11) is touched with described fixed contact (12) and described quiet striking respectively in the position that son (141) is touched in described moving contact (142) and described dynamic striking,
In the making process of described earthed switch (1), the tactile son (141) of described dynamic striking is touched sub-component (11) with described quiet striking and is contacted with described moving contact (142) prior to described fixed contact (12); In the separating brake process of described earthed switch (1), the tactile son (141) of described dynamic striking is touched after sub-component (11) with described quiet striking and is separated with described moving contact (142) in described fixed contact (12).
8. earthed switch according to claim 7, the position of wherein said insulating case (118) is arranged to, in the making process of described earthed switch (1), touch the surface sliding of sub (113) along described quiet striking after the tactile son (141) of described dynamic striking and the tactile son (113) of described quiet striking contact, until stay on described insulating case (118) after described fixed contact (12) and described moving contact (142) good contact, and when the separating brake process of described earthed switch (1) starts, son (141) is touched in described dynamic striking and the tactile son (113) of described quiet striking resumes contacts immediately, until described fixed contact (12) is just separated after being separated completely with described moving contact (142).
9. the earthed switch according to claim 7 or 8, wherein said binding post (13) comprises a linking arm (131), a terminal block (132) and a padded seat (133), described linking arm (131) is fixed between described terminal block (132) and described padded seat (133), an end (1311) of described linking arm (131) connects described quiet striking and touches sub-component (11), described fixed contact (12) is fixed on described linking arm (131) and goes up and touch sub-component (11) setting near described quiet striking, described padded seat (133) is fixed with described insulator (153).
10. earthed switch according to claim 9, wherein said linking arm (131) is welded to described terminal block (132), and described terminal block (132) is fixed to described padded seat (133) by least one sleeve (134), a described end (1311) of described linking arm (131) is touched sub-component (11) by described quiet striking and is connected with in described grading ring (151), and another end (1312) of described linking arm (131) is connected with another (152) in described grading ring.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300276.1A CN105225883B (en) | 2014-06-26 | 2014-06-26 | Sub-component and its earthed switch are touched in quiet striking |
| EP15731362.8A EP3161845B1 (en) | 2014-06-26 | 2015-06-25 | Static arc-striking contact assembly and grounding switch thereof |
| RU2016150843A RU2669703C2 (en) | 2014-06-26 | 2015-06-25 | Static arc-striking contact assembly and grounding switch thereof |
| PL15731362T PL3161845T3 (en) | 2014-06-26 | 2015-06-25 | Static arc-striking contact assembly and grounding switch thereof |
| PCT/EP2015/064446 WO2015197785A1 (en) | 2014-06-26 | 2015-06-25 | Static arc-striking contact assembly and grounding switch thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300276.1A CN105225883B (en) | 2014-06-26 | 2014-06-26 | Sub-component and its earthed switch are touched in quiet striking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105225883A true CN105225883A (en) | 2016-01-06 |
| CN105225883B CN105225883B (en) | 2017-12-15 |
Family
ID=53487374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410300276.1A Expired - Fee Related CN105225883B (en) | 2014-06-26 | 2014-06-26 | Sub-component and its earthed switch are touched in quiet striking |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3161845B1 (en) |
| CN (1) | CN105225883B (en) |
| PL (1) | PL3161845T3 (en) |
| RU (1) | RU2669703C2 (en) |
| WO (1) | WO2015197785A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105914064A (en) * | 2016-06-30 | 2016-08-31 | 中国西电电气股份有限公司 | Guiding arc-striking angle for grounding switch |
| CN108493035A (en) * | 2018-05-30 | 2018-09-04 | 宁夏京能宁东发电有限责任公司 | Disconnecting switch equipped with arc initiation device |
| CN108695103A (en) * | 2017-04-06 | 2018-10-23 | 伊顿电力设备有限公司 | Earthing switch |
| WO2020228427A1 (en) * | 2019-05-10 | 2020-11-19 | 湖南长高高压开关集团股份公司 | Non-contact arc current closing auxiliary contact device for isolation switches |
| CN113196435A (en) * | 2018-12-21 | 2021-07-30 | 西门子能源全球有限公司 | Earthing switch for medium and/or high voltage switchgear and corresponding switchgear |
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| US10850871B2 (en) | 2017-04-13 | 2020-12-01 | Northrop Grumman Innovation Systems, Inc. | Electrostatic discharge mitigation for a first spacecraft operating in proximity to a second spacecraft |
| CN108172475B (en) * | 2018-01-03 | 2024-04-19 | 浙江正泰电器股份有限公司 | Contact structure of switch electric appliance |
| US11264183B2 (en) | 2018-03-28 | 2022-03-01 | Hitachi Energy Switzerland Ag | Spring loaded auxiliary contact system for bus transfer switching in a center break switch |
| CN110335777B (en) * | 2019-07-09 | 2024-04-30 | 许继（厦门）智能电力设备股份有限公司 | Isolating switch with switching bus for converting current |
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- 2015-06-25 RU RU2016150843A patent/RU2669703C2/en active
- 2015-06-25 EP EP15731362.8A patent/EP3161845B1/en not_active Not-in-force
- 2015-06-25 PL PL15731362T patent/PL3161845T3/en unknown
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| US2562027A (en) * | 1946-07-25 | 1951-07-24 | Asea Ab | Arrangement in high-tension disconnecting switches |
| US3064107A (en) * | 1960-10-14 | 1962-11-13 | Mc Graw Edison Co | Switching device |
| CN103282991A (en) * | 2010-12-22 | 2013-09-04 | Abb技术有限公司 | A switching device and a switchgear |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914064A (en) * | 2016-06-30 | 2016-08-31 | 中国西电电气股份有限公司 | Guiding arc-striking angle for grounding switch |
| CN105914064B (en) * | 2016-06-30 | 2017-10-31 | 中国西电电气股份有限公司 | A kind of earthed switch is oriented to arc leading angle |
| CN108695103A (en) * | 2017-04-06 | 2018-10-23 | 伊顿电力设备有限公司 | Earthing switch |
| CN108695103B (en) * | 2017-04-06 | 2022-07-12 | 伊顿电力设备有限公司 | Grounding switch |
| CN108493035A (en) * | 2018-05-30 | 2018-09-04 | 宁夏京能宁东发电有限责任公司 | Disconnecting switch equipped with arc initiation device |
| CN113196435A (en) * | 2018-12-21 | 2021-07-30 | 西门子能源全球有限公司 | Earthing switch for medium and/or high voltage switchgear and corresponding switchgear |
| WO2020228427A1 (en) * | 2019-05-10 | 2020-11-19 | 湖南长高高压开关集团股份公司 | Non-contact arc current closing auxiliary contact device for isolation switches |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3161845B1 (en) | 2018-06-06 |
| PL3161845T3 (en) | 2018-11-30 |
| EP3161845A1 (en) | 2017-05-03 |
| RU2016150843A (en) | 2018-07-26 |
| CN105225883B (en) | 2017-12-15 |
| RU2016150843A3 (en) | 2018-07-26 |
| RU2669703C2 (en) | 2018-10-15 |
| WO2015197785A1 (en) | 2015-12-30 |
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