CN105742114A - Vacuum switching tube - Google Patents

Vacuum switching tube Download PDF

Info

Publication number
CN105742114A
CN105742114A CN201610164975.7A CN201610164975A CN105742114A CN 105742114 A CN105742114 A CN 105742114A CN 201610164975 A CN201610164975 A CN 201610164975A CN 105742114 A CN105742114 A CN 105742114A
Authority
CN
China
Prior art keywords
power part
annular metal
metal sheet
connection part
cover plate
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Withdrawn
Application number
CN201610164975.7A
Other languages
Chinese (zh)
Inventor
黄俊龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610164975.7A priority Critical patent/CN105742114A/en
Publication of CN105742114A publication Critical patent/CN105742114A/en
Withdrawn legal-status Critical Current

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
    • 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
    • H01H33/66238—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
    • 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

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)

Abstract

The invention discloses a vacuum switching tube. The vacuum switching tube comprises a shell, a movable contact and a first static contact, wherein the movable contact is provided with a movable electric connection part, the first static contact is provided with a first static electric connection part, the movable electric connection part moves with the movable contact in a reciprocating way and finally props against the first static electric connection part when moving towards the first static electric connection part, the shell comprises an annular metal plate, two elastic tube bodies, ceramic tube bodies and cover plate assemblies, the annular metal plate is provided with welding connection parts on the two sides, the two elastic tube bodies are arranged on the two sides of the welding connection parts of the annular metal plate, each ceramic body is arranged at one end, far away from the welding connection part of the annular metal plate, of each elastic tube body, each cover plate assembly is used for plugging an opening at one end, far away from the welding connection part of the annular metal plate, of each ceramic tube body, a round hole is formed at the center of each cover plate assembly, the annular metal plate, the elastic tube bodies, the ceramic tube bodies and the cover plate assemblies encircle to form an accommodating cavity, and the movable electric connection part of the movable contact and the first static electric connection part of the first static contact are arranged in the accommodating cavity. By the vacuum switching tube, the fault that the ceramic tube bodies are loosen or broken can be effectively prevented.

Description

Vacuum switch tube
Technical field
The invention belongs to high pressure arc extinguishing technical field, be specifically related to a kind of vacuum switch tube.
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 adopts 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 better)；Owing to moving contact is when carrying out high pressure divide-shut brake action, meeting direct collision is to grounding static contact, and owing to impact force is very big, the concordance adding pottery body is poor, is easily caused this place of being welded to connect and loosens in actually used, causes electric power accident.
Summary of the invention
It is an object of the invention to provide a kind of relatively reasonable in structure, be effectively ensured the vacuum switch tube in functional reliability and service life.
The technical scheme realizing the object of the invention is: a kind of vacuum switch tube, including housing, has the moving contact of 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 include both sides be respectively provided with welded connection annular metal sheet, be positioned at annular metal sheet welded connection both sides two elastic bodys, be positioned at each elastic body away from one end of endless metal welded connection ceramic body, for block each pottery body away from the opening of one end of endless metal welded connection cover plate assembly, 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, elastic body, 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 arranged in this containing cavity；Described each pottery body is provided with supplementary insulation pipe portion, and each elastic body 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；On annular metal sheet, the plate body of adjacent centre bore is arranged in containing cavity and as the second quiet power part；Moving contact also includes the conducting rod being connected with dynamic power part；The internal perisporium of each elastic body can move back and forth on a corresponding periphery wall being dielectrically separated from pipe.
Present configuration is relatively reasonable, and when carrying out divide-shut brake action, elastic body can play cushioning effect, effectively prevents pottery body from the faults such as loosening or fragmentation occurring, 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, including housing 1, has the moving contact 2 of dynamic power part 21, has the first static contact 3 of 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 both sides and is respectively provided with the annular metal sheet 4 of welded connection 41, is positioned at two elastic bodys 5 of annular metal sheet welded connection both sides, is 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 arranged 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 arranged 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, moves power part between the first quiet power part and the second quiet power part, the centre bore of conducting rod traverse 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 of dynamic 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 the faults such as loosening or fragmentation occurring, 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, including housing 1, has the moving contact 2 of dynamic power part 21, has the first static contact 3 of 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 arranged 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 be welded on corresponding endless metal auxiliary welded plate on one end of annular metal sheet, 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 arranged 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, moves power part between the first quiet power part and the second quiet power part, the centre bore of conducting rod traverse annular metal sheet；The aperture of described centre bore is more than the external diameter of conducting rod and less than the external diameter of dynamic 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 subject to self structure restriction, and when being weldingly connected with pottery body, percent defective is higher；The present embodiment 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 reducing 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, including housing 1, has the moving contact 2 of dynamic power part 21, has the first static contact 3 of 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 arranged 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.
The periphery wall in each supplementary insulation pipe portion is assisted with corresponding endless metal and is left gap 100 between welded plate internal perisporium.
In the present embodiment, on annular metal sheet, the plate body of adjacent centre bore 43 is arranged 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, moves power part between the first quiet power part and the second quiet power part, the centre bore of conducting rod traverse annular metal sheet；The aperture of described centre bore is more than the external diameter of conducting rod and less than the external diameter of dynamic 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, including housing 1, has the moving contact 2 of dynamic power part 21, has the first static contact 3 of 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 arranged 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 arranged 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, moves power part between the first quiet power part and the second quiet power part, the centre bore of conducting rod traverse annular metal sheet；The aperture of described centre bore is more than the external diameter of conducting rod and less than the external diameter of dynamic 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 apparent 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. a vacuum switch tube, including housing (1), has the moving contact (2) of dynamic power part (21), has first static contact (3) of 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；It is characterized in that: described housing includes both sides and is respectively provided with the annular metal sheet (4) of welded connection (41), it is positioned at two elastic bodys (5) of annular metal sheet welded connection both sides, it is positioned at each elastic body ceramic body (6) away from 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, connect 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 arranged in this containing cavity；Described each pottery body is provided with supplementary insulation pipe portion (61), and each elastic body is set on 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), the one end being respectively dielectrically separated from the adjacent annular metal sheet of pipe (9) 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 (100)；On annular metal sheet, the plate body of adjacent centre bore (43) is arranged 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；The internal perisporium of each elastic body can move back and forth on a corresponding periphery wall being dielectrically separated from pipe (9).
CN201610164975.7A 2013-11-27 2013-11-27 Vacuum switching tube Withdrawn CN105742114A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610164975.7A CN105742114A (en) 2013-11-27 2013-11-27 Vacuum switching tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610164975.7A CN105742114A (en) 2013-11-27 2013-11-27 Vacuum switching tube

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
CN105742114A true CN105742114A (en) 2016-07-06

Family

ID=56251321

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610164975.7A Withdrawn CN105742114A (en) 2013-11-27 2013-11-27 Vacuum switching tube

Country Status (1)

Country Link
CN (1) CN105742114A (en)

Similar Documents

Publication Publication Date Title
CN102231345B (en) Double-chamber three-working position vacuum arc extinguish chamber for solid switch
CN103198970B (en) Vacuum envelope with double-fracture structure
CN207947214U (en) A kind of extra-high voltage vacuum interrupter
CN105264630A (en) Sealed relay
CN105742114A (en) Vacuum switching tube
CN105742113A (en) Vacuum switching tube
CN105742112A (en) Vacuum switching tube having relatively high buffer effect
CN105742110A (en) Vacuum switching tube having relatively high buffer effect
CN105742111A (en) Vacuum switching tube for improving electric field distribution uniformity
CN203895353U (en) Three-station vacuum arc-extinguishing chamber with inserting type grounding station
CN105895444A (en) Vacuum switching tube for improving uniformity of electric field distribution
CN203659739U (en) High-voltage vacuum switch tube
CN105719891A (en) Vacuum switch tube capable of improving insulating property
CN203659734U (en) Shell for high-voltage vacuum switch tube
CN105762005A (en) Vacuum switch tube capable of improving yield
CN105762004A (en) Vacuum switch tube capable of improving electric field distribution uniformity
CN105762003A (en) Vacuum switch tube capable of improving insulating property
CN104157507B (en) Vacuum switch tube
CN203659742U (en) High voltage vacuum arc extinguish chamber
CN203659736U (en) High-voltage vacuum switch tube
CN104037012A (en) Three-position vacuum arc-extinguishing chamber having insertion type grounding position
CN203659735U (en) Shell for high voltage vacuum switch tube
CN104241013B (en) Vacuum arc-extinguishing chamber
CN203659740U (en) Vacuum switch tube
CN201435343Y (en) Shell of vacuum arc extinguish chamber

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20160706