CN105895443A - Vacuum switching tube having relatively high buffer effect - Google Patents
Vacuum switching tube having relatively high buffer effect Download PDFInfo
- Publication number
- CN105895443A CN105895443A CN201610345469.8A CN201610345469A CN105895443A CN 105895443 A CN105895443 A CN 105895443A CN 201610345469 A CN201610345469 A CN 201610345469A CN 105895443 A CN105895443 A CN 105895443A
- Authority
- CN
- China
- Prior art keywords
- power part
- annular metal
- metal sheet
- connection part
- annular
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66238—Specific bellows details
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/66215—Details relating to the soldering or brazing of vacuum switch housings
Abstract
The invention discloses a vacuum switching tube having a relatively high buffer effect. The vacuum switching tube comprises a shell, a movable contact and a first static contact, wherein the movable contact is provided with a movable power connection part, the first static contact is provided with a static power connection part, the movable power connection part moves in a reciprocating way along with the movable contact and finally props against the first static power connection part when the movable power connection part moves towards the first static power contact, the shell comprises an annular metal plate, two elastic pipe bodies, ceramic pipe bodies and cover plate assemblies, welding connection parts are arranged at the two sides of the annular metal plate, the two elastic pipe bodies are arranged at the two sides of each welding connection part of the annular metal plate, the ceramic pipe body is arranged at one end, far away from the welding connection part of the annular metal plate, of each elastic pipe body, each cover plate assembly is used for blocking an opening in one end, far away from the welding connection part of the annular metal plate, of each ceramic pipe body, a round hole is formed in the center of each cover plate assembly, the annular metal plate, the elastic pipe bodies, the ceramic pipe bodies and the cover plate assemblies encircle to form an accommodating cavity, and the movable power connection part of the movable contact and the first static power connection part of the first static contact are arranged in the accommodating cavity. By the vacuum switching tube, a fault such as the ceramic pipe bodies are loosen or broken is effectively prevented.
Description
Technical field
The invention belongs to high pressure arc extinguishing technical field, be specifically related to a kind of vacuum switch tube with preferable buffering effect.
Background technology
Patent documentation CN102157297A discloses a kind of three position vacuum switch tubes, it is possible to realizes connecting, isolating and ground connection three station function, has the advantages such as compact conformation, reasonable in design, range of application is wider.But there is also weak point: its grounding static contact uses conductive material to make, two ends connect each via welding manner and an earthenware are fixing, two earthenwares are in split state, bulk strength poor (earthenware of traditional double-position vacuum switching tube is integral piece, so bulk strength is preferable)；Owing to moving contact is when carrying out high pressure divide-shut brake action, can direct collision on grounding static contact, owing to impact force is very big, the concordance adding pottery body is poor, actually used in be easily caused this place of being welded to connect and loosen, cause generation electric power accident.
Summary of the invention
It is an object of the invention to provide a kind of relatively reasonable in structure, effectively there is the vacuum switch tube of preferable buffering effect.
The technical scheme realizing the object of the invention is: a kind of vacuum switch tube with preferable buffering effect, the moving contact including housing, having dynamic power part, has the first static contact of the first quiet power part；Dynamic power part is followed moving contact and is moved back and forth, and is finally connected to when moving towards the first static contact on the first quiet power part；It is characterized in that: described housing includes that both sides are respectively provided with the annular metal sheet of welded connection, it is positioned at two metal bellowss of annular metal sheet welded connection both sides, it is positioned at each metal bellows ceramic body away from one end of endless metal welded connection, for blocking each pottery body cover plate assembly away from the opening of one end of endless metal welded connection, connect the endless metal auxiliary welded plate of a corresponding metal bellows and a ceramic body adaptive with this metal bellows；Each cover plate assembly center is provided with circular hole；Described annular metal sheet, metal bellows, pottery body, cover plate assembly and endless metal auxiliary welded plate enclose formation one containing cavity；The dynamic power part of moving contact and the first quiet power part of the first static contact are positioned in this containing cavity；Described each pottery body is provided with supplementary insulation pipe portion, and each metal bellows is set in a corresponding supplementary insulation pipe portion, and each supplementary insulation pipe portion leaves gap close between a side and the annular metal sheet of annular metal sheet；The two side ends of annular metal sheet is respectively provided with one and annular is dielectrically separated from pipe, and the one end being respectively dielectrically separated from the adjacent annular metal sheet of pipe is fixedly installed on annular metal sheet, and the one end away from annular metal sheet being respectively dielectrically separated from pipe extend in a corresponding described gap；One end of each metal bellows is welded on annular metal sheet in a corresponding welded connection, the other end be welded on on this metal bellows homonymy ceramic body；Respectively it is dielectrically separated between one end away from annular metal sheet of pipe and the ceramic body of homonymy and leaves gap.
Present configuration is relatively reasonable, and when carrying out divide-shut brake action, elastic body can play cushioning effect, effectively prevents pottery body from occurring to loosen or the fault such as fragmentation, it is ensured that functional reliability and service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the first structure of the present invention；
Fig. 2 is a kind of structural representation of the second structure of the present invention；
Fig. 3 is a kind of structural representation of the third structure of the present invention；
Fig. 4 is a kind of structural representation of the 4th kind of structure of the present invention.
Detailed description of the invention
(embodiment 1)
Fig. 1 is a kind of structural representation of the first structure of the present invention, it is shown that the first detailed description of the invention of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 1, and the moving contact 2 that including housing 1, there is dynamic power part 21, first static contact 3 with the first quiet power part 31；Dynamic power part is followed moving contact and is moved back and forth, and is finally connected to when moving towards the first static contact on the first quiet power part；Described housing includes that both sides are respectively provided with the annular metal sheet 4 of welded connection 41, are positioned at two elastic bodys 5 of annular metal sheet welded connection both sides, are positioned at each elastic body away from the ceramic body 6 of one end of endless metal welded connection, for blocking each pottery body cover plate assembly 7 away from the opening of one end of endless metal welded connection；Each cover plate assembly center is provided with circular hole 71；Described annular metal sheet 4, elastic body 5, pottery body 6 and cover plate assembly 7 enclose formation one containing cavity 11；The dynamic power part of moving contact and the first quiet power part of the first static contact are positioned in this containing cavity.
In the present embodiment, elastic body is metal bellows, and one end of each metal bellows is welded on annular metal sheet in a corresponding welded connection, the other end be welded on on this metal bellows homonymy ceramic body.
In the present embodiment, on annular metal sheet, the plate body of adjacent centre bore 43 is positioned in containing cavity and as the second quiet power part 42；Moving contact also includes the conducting rod 22 being connected with dynamic power part, and dynamic power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet；The aperture of described centre bore 43 is more than the external diameter of conducting rod and less than the external diameter moving power part；Dynamic power part is finally connected on the second quiet power part when moving towards the second quiet power part.Dynamic power part is when moving towards the first static contact, and one end away from the second quiet power part of dynamic power part is finally connected on the first quiet power part；Dynamic power part is when moving towards the second quiet power part, and one end close to the second quiet power part of dynamic power part is finally connected on the second quiet power part.
The present embodiment is relatively reasonable in structure, and when carrying out divide-shut brake action, elastic body can play cushioning effect, effectively prevents pottery body from occurring to loosen or the fault such as fragmentation, it is ensured that functional reliability and service life.
(embodiment 2)
Fig. 2 is a kind of structural representation of the second structure of the present invention, it is shown that the second detailed description of the invention of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 2, and the moving contact 2 that including housing 1, there is dynamic power part 21, first static contact 3 with the first quiet power part 31；Dynamic power part is followed moving contact and is moved back and forth, and is finally connected to when moving towards the first static contact on the first quiet power part；Described housing include both sides be respectively provided with welded connection 41 annular metal sheet 4, be positioned at annular metal sheet welded connection both sides two elastic bodys 5, be positioned at each elastic body away from one end of endless metal welded connection ceramic body 6, for block each pottery body away from the opening of one end of endless metal welded connection cover plate assembly 7, connect the endless metal auxiliary welded plate 8 of a corresponding metal bellows and a ceramic body adaptive with this metal bellows；Each cover plate assembly center is provided with circular hole 71；Described annular metal sheet 4, elastic body 5, pottery body 6 cover plate assembly 7 and endless metal auxiliary welded plate 8 enclose formation one containing cavity 11；The dynamic power part of moving contact and the first quiet power part of the first static contact are positioned in this containing cavity.
In the present embodiment, elastic body is metal bellows, one end of each metal bellows is welded on annular metal sheet in a corresponding welded connection, the other end is welded on one end close to annular metal sheet of corresponding endless metal auxiliary welded plate, and the other end of endless metal auxiliary welded plate is weldingly fixed on a corresponding ceramic body.
In the present embodiment, on annular metal sheet, the plate body of adjacent centre bore 43 is positioned in containing cavity and as the second quiet power part 42；Moving contact also includes the conducting rod 22 being connected with dynamic power part, and dynamic power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet；The aperture of described centre bore is more than the external diameter of conducting rod and less than the external diameter moving power part；Dynamic power part is finally connected on the second quiet power part when moving towards the second quiet power part.Dynamic power part is when moving towards the first static contact, and one end away from the second quiet power part of dynamic power part is finally connected on the first quiet power part；Dynamic power part is when moving towards the second quiet power part, and one end close to the second quiet power part of dynamic power part is finally connected on the second quiet power part.
Elastic body is limited by self structure, and when being weldingly connected with pottery body, percent defective is higher；The present embodiment is by setting up an endless metal auxiliary welded plate between elastic body and pottery body, one end of this endless metal auxiliary welded plate is weldingly connected with elastic body, the other end is weldingly connected with pottery body, thus effectively reduces manufacturing process difficulty, promotes yield rate.
(embodiment 3)
Fig. 3 is a kind of structural representation of the third structure of the present invention, it is shown that the third detailed description of the invention of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 3, and the moving contact 2 that including housing 1, there is dynamic power part 21, first static contact 3 with the first quiet power part 31；Dynamic power part is followed moving contact and is moved back and forth, and is finally connected to when moving towards the first static contact on the first quiet power part；Described housing include both sides be respectively provided with welded connection 41 annular metal sheet 4, be positioned at annular metal sheet welded connection both sides two elastic bodys 5, be positioned at each elastic body away from one end of endless metal welded connection ceramic body 6, for block each pottery body away from the opening of one end of endless metal welded connection cover plate assembly 7, connect the endless metal auxiliary welded plate 8 of a corresponding metal bellows and a ceramic body adaptive with this metal bellows；Each cover plate assembly center is provided with circular hole 71；Described annular metal sheet 4, elastic body 5, pottery body 6, cover plate assembly 7 and endless metal auxiliary welded plate 8 enclose formation one containing cavity 11；The dynamic power part of moving contact and the first quiet power part of the first static contact are positioned in this containing cavity；Described each pottery body is provided with supplementary insulation pipe portion 61, and each elastic body is set in a corresponding supplementary insulation pipe portion 61, and each supplementary insulation pipe portion is close to leaving gap 100 between a side and the annular metal sheet of annular metal sheet.
Gap 100 is left between periphery wall and the internal perisporium of a corresponding elastic body in each supplementary insulation pipe portion.
Gap 100 is left between the periphery wall in each supplementary insulation pipe portion with corresponding endless metal auxiliary welded plate internal perisporium.
In the present embodiment, on annular metal sheet, the plate body of adjacent centre bore 43 is positioned in containing cavity and as the second quiet power part 42；Moving contact also includes the conducting rod 22 being connected with dynamic power part, and dynamic power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet；The aperture of described centre bore is more than the external diameter of conducting rod and less than the external diameter moving power part；Dynamic power part is finally connected on the second quiet power part when moving towards the second quiet power part.Dynamic power part is when moving towards the first static contact, and one end away from the second quiet power part of dynamic power part is finally connected on the first quiet power part；Dynamic power part is when moving towards the second quiet power part, and one end close to the second quiet power part of dynamic power part is finally connected on the second quiet power part.
The present embodiment is positioned at the supplementary insulation pipe portion of elastic tubular body by setting up, and improves the uniformity of the Electric Field Distribution of elastic tube body region in containing cavity, also improves the insulating properties between conducting rod and elastic body.
(embodiment 4)
Fig. 4 is a kind of structural representation of the 4th kind of structure of the present invention, it is shown that the 4th kind of detailed description of the invention of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 4, and the moving contact 2 that including housing 1, there is dynamic power part 21, first static contact 3 with the first quiet power part 31；Dynamic power part is followed moving contact and is moved back and forth, and is finally connected to when moving towards the first static contact on the first quiet power part；Described housing include both sides be respectively provided with welded connection 41 annular metal sheet 4, be positioned at annular metal sheet welded connection both sides two elastic bodys 5, be positioned at each elastic body away from one end of endless metal welded connection ceramic body 6, for block each pottery body away from the opening of one end of endless metal welded connection cover plate assembly 7, connect the endless metal auxiliary welded plate 8 of a corresponding metal bellows and a ceramic body adaptive with this metal bellows；Each cover plate assembly center is provided with circular hole 71；Described annular metal sheet 4, elastic body 5, pottery body 6, cover plate assembly 7 and endless metal auxiliary welded plate 8 enclose formation one containing cavity 11；The dynamic power part of moving contact and the first quiet power part of the first static contact are positioned in this containing cavity；Described each pottery body is provided with supplementary insulation pipe portion 61, and each elastic body is set in a corresponding supplementary insulation pipe portion 61, and each supplementary insulation pipe portion is close to leaving gap 100 between a side and the annular metal sheet of annular metal sheet；The two side ends of annular metal sheet is respectively provided with one and annular is dielectrically separated from pipe 9, respectively being dielectrically separated from pipe 9 to adjoin one end of annular metal sheet and be fixedly installed on annular metal sheet, the one end away from annular metal sheet being respectively dielectrically separated from pipe extend in a corresponding described gap 100.
Respectively it is dielectrically separated between one end away from annular metal sheet of pipe and the ceramic body of homonymy and leaves gap 100.
In the present embodiment, on annular metal sheet, the plate body of adjacent centre bore 43 is positioned in containing cavity and as the second quiet power part 42；Moving contact also includes the conducting rod 22 being connected with dynamic power part, and dynamic power part is between the first quiet power part and the second quiet power part, and conducting rod is through the centre bore of annular metal sheet；The aperture of described centre bore is more than the external diameter of conducting rod and less than the external diameter moving power part；Dynamic power part is finally connected on the second quiet power part when moving towards the second quiet power part.Dynamic power part is when moving towards the first static contact, and one end away from the second quiet power part of dynamic power part is finally connected on the first quiet power part；Dynamic power part is when moving towards the second quiet power part, and one end close to the second quiet power part of dynamic power part is finally connected on the second quiet power part.The internal perisporium of each elastic body can move back and forth on a corresponding periphery wall being dielectrically separated from pipe 9.
The present embodiment is dielectrically separated from pipe by setting up, and improves the uniformity of the Electric Field Distribution of elastic tube body region in containing cavity, and the insulating properties between conducting rod and elastic body further.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.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 cannot all of embodiment be given exhaustive.And the obvious change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.
Claims (1)
1. there is a vacuum switch tube for preferable buffering effect, the moving contact that including housing, there is dynamic power part, first static contact with the first quiet power part；Dynamic power part is followed moving contact and is moved back and forth, and is finally connected to when moving towards the first static contact on the first quiet power part；It is characterized in that: described housing includes that both sides are respectively provided with the annular metal sheet of welded connection, it is positioned at two metal bellowss of annular metal sheet welded connection both sides, it is positioned at each metal bellows ceramic body away from one end of endless metal welded connection, for blocking each pottery body cover plate assembly away from the opening of one end of endless metal welded connection, connect the endless metal auxiliary welded plate of a corresponding metal bellows and a ceramic body adaptive with this metal bellows；Each cover plate assembly center is provided with circular hole；Described annular metal sheet, metal bellows, pottery body, cover plate assembly and endless metal auxiliary welded plate enclose formation one containing cavity；The dynamic power part of moving contact and the first quiet power part of the first static contact are positioned in this containing cavity；Described each pottery body is provided with supplementary insulation pipe portion, and each metal bellows is set in a corresponding supplementary insulation pipe portion, and each supplementary insulation pipe portion leaves gap close between a side and the annular metal sheet of annular metal sheet；The two side ends of annular metal sheet is respectively provided with one and annular is dielectrically separated from pipe, and the one end being respectively dielectrically separated from the adjacent annular metal sheet of pipe is fixedly installed on annular metal sheet, and the one end away from annular metal sheet being respectively dielectrically separated from pipe extend in a corresponding described gap；One end of each metal bellows is welded on annular metal sheet in a corresponding welded connection, the other end be welded on on this metal bellows homonymy ceramic body；Respectively it is dielectrically separated between one end away from annular metal sheet of pipe and the ceramic body of homonymy and leaves gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345469.8A CN105895443A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680121.0A CN104157507B (en) | 2013-11-27 | Vacuum switch tube | |
| CN201610345469.8A CN105895443A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310680121.0A Division CN104157507B (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105895443A true CN105895443A (en) | 2016-08-24 |
Family
ID=51882984
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345882.4A Withdrawn CN105895442A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving insulation performance |
| CN201610345966.8A Withdrawn CN105895444A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving uniformity of electric field distribution |
| CN201610343004.9A Withdrawn CN105914093A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing insulation performance |
| CN201610343245.3A Withdrawn CN105914094A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610344675.7A Withdrawn CN105914095A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing electric field distribution uniformity |
| CN201610343081.4A Withdrawn CN105914092A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610345469.8A Withdrawn CN105895443A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
| CN201610346318.4A Withdrawn CN105895445A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
Family Applications Before (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610345882.4A Withdrawn CN105895442A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving insulation performance |
| CN201610345966.8A Withdrawn CN105895444A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving uniformity of electric field distribution |
| CN201610343004.9A Withdrawn CN105914093A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing insulation performance |
| CN201610343245.3A Withdrawn CN105914094A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610344675.7A Withdrawn CN105914095A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing electric field distribution uniformity |
| CN201610343081.4A Withdrawn CN105914092A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610346318.4A Withdrawn CN105895445A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (8) | CN105895442A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614850A (en) * | 1983-12-05 | 1986-09-30 | Siemens Aktiengesellschaft | Vacuum switch for the low-voltage range, especially a low-voltage contactor |
| CN1183850A (en) * | 1995-03-17 | 1998-06-03 | 西门子公司 | Vacuum interrupter |
| CN102292788A (en) * | 2009-01-30 | 2011-12-21 | 西门子公司 | Vacuum interrupter |
| WO2012136423A1 (en) * | 2011-04-02 | 2012-10-11 | Maschinenfabrik Reinhausen Gmbh | Tap changer and vacuum interrupter for such a tap changer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253518Y (en) * | 1995-01-29 | 1997-04-30 | 王海林 | Vacuum switching tube |
| FR2927194B1 (en) * | 2008-01-31 | 2010-02-19 | Schneider Electric Ind Sas | VACUUM BULB FOR ELECTRICAL CUTTING APPARATUS PROVIDING AT LEAST DISCONNECT FUNCTION |
| CN201773757U (en) * | 2010-04-21 | 2011-03-23 | 北京双杰电气股份有限公司 | Vacuum arcing chamber with three-station shielding cover |
| CN202888059U (en) * | 2012-11-16 | 2013-04-17 | 锦州华光玻璃开关管有限公司 | Low-voltage large-open circuit ceramic vacuum switch tube |
| CN202940178U (en) * | 2012-12-18 | 2013-05-15 | 山西省电力公司大同供电分公司 | Medium-voltage ceramic vacuum switch tube |
-
2013
- 2013-11-27 CN CN201610345882.4A patent/CN105895442A/en not_active Withdrawn
- 2013-11-27 CN CN201610345966.8A patent/CN105895444A/en not_active Withdrawn
- 2013-11-27 CN CN201610343004.9A patent/CN105914093A/en not_active Withdrawn
- 2013-11-27 CN CN201610343245.3A patent/CN105914094A/en not_active Withdrawn
- 2013-11-27 CN CN201610344675.7A patent/CN105914095A/en not_active Withdrawn
- 2013-11-27 CN CN201610343081.4A patent/CN105914092A/en not_active Withdrawn
- 2013-11-27 CN CN201610345469.8A patent/CN105895443A/en not_active Withdrawn
- 2013-11-27 CN CN201610346318.4A patent/CN105895445A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4614850A (en) * | 1983-12-05 | 1986-09-30 | Siemens Aktiengesellschaft | Vacuum switch for the low-voltage range, especially a low-voltage contactor |
| CN1183850A (en) * | 1995-03-17 | 1998-06-03 | 西门子公司 | Vacuum interrupter |
| CN102292788A (en) * | 2009-01-30 | 2011-12-21 | 西门子公司 | Vacuum interrupter |
| WO2012136423A1 (en) * | 2011-04-02 | 2012-10-11 | Maschinenfabrik Reinhausen Gmbh | Tap changer and vacuum interrupter for such a tap changer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105895444A (en) | 2016-08-24 |
| CN105914092A (en) | 2016-08-31 |
| CN104157507A (en) | 2014-11-19 |
| CN105914095A (en) | 2016-08-31 |
| CN105914094A (en) | 2016-08-31 |
| CN105914093A (en) | 2016-08-31 |
| CN105895445A (en) | 2016-08-24 |
| CN105895442A (en) | 2016-08-24 |
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Application publication date: 20160824 |
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| WW01 | Invention patent application withdrawn after publication |