CN104157507A - Vacuum switch tube - Google Patents
Vacuum switch tube Download PDFInfo
- Publication number
- CN104157507A CN104157507A CN201310680121.0A CN201310680121A CN104157507A CN 104157507 A CN104157507 A CN 104157507A CN 201310680121 A CN201310680121 A CN 201310680121A CN 104157507 A CN104157507 A CN 104157507A
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- China
- Prior art keywords
- power part
- welded
- metal sheet
- connect
- annular metal
- Prior art date
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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
- H01H33/60—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
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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
- H01H33/60—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
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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
- H01H33/60—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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a vacuum switch tube comprising a housing, a movable contact having a movable electricity connection portion, and a first stationary contact having a stationary electricity connection portion. The movable electricity connection portion reciprocates with the movable contact, and finally abuts against the first stationary electricity connection portion when moving toward the first stationary contact. The housing comprises an annular metal plate having welding connection portions at two sides, two spring tube bodies disposed on the welding connection portions at the two sides of the annular metal plate, ceramic tube bodies located at one far ends of the spring tube bodies from the annular metal welding connection portions, and cover plate assemblies for blocking openings at one far ends of the ceramic tube bodies from the annular metal welding connection portions. A circular hole is disposed at the center of each cover plate assembly. The annular metal plate, the spring tube bodies, the ceramic tube bodies and the cover plate assemblies are enclosed to form an accommodating cavity. The movable electricity connection portion of the movable contact and the first stationary electricity connection portion of the first stationary contact are located in the accommodating cavity. According to the invention, failures such as the loosening or breaking of the ceramic tube bodies can be 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.
Background technology
Patent documentation CN102157297 A discloses a kind of three position vacuum switch tubes, can realize connection, isolation and ground connection three station functions, has the advantages such as compact conformation, reasonable in design, range of application is wider.But also exist weak point: its grounding static contact adopts electric conducting material to make, two ends are fixedly connected with an earthenware by welding manner separately, 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); Because moving contact is when carrying out the action of high pressure divide-shut brake, meeting direct collision is to grounding static contact, and because impact force is very large, the consistency of adding ceramic body is poor, in actual use, easily causes this place of being welded to connect loosening, causes occurring electric power accident.
Summary of the invention
The object of this invention is to provide a kind of structure comparatively reasonable, effectively guarantee the vacuum switch tube in functional reliability and useful life.
The first technical scheme that realizes the object of the invention is: a kind of vacuum switch tube, comprise housing, have moving power part moving contact, there is the first fixed contact of the first quiet power part; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; Described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect, are positioned at two elasticity bodys that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body away from endless metal, the cover plate assembly of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal; Each cover plate assembly center is provided with circular hole; Described annular metal sheet, elasticity body, ceramic body and cover plate assembly enclose and form a containing cavity; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity.
In such scheme, elasticity body is metal bellows, and one end of each metal bellows is welded on annular metal sheet corresponding one and is welded to connect in portion, and the other end is welded on a ceramic body with this metal bellows homonymy.
In such scheme, on annular metal sheet, in abutting connection with the plate body of centre bore, be arranged in containing cavity and as the second quiet power part; Moving contact also comprises the conducting rod being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.
In such scheme, moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The second technical scheme that realizes the object of the invention is: a kind of vacuum switch tube, comprise housing, have moving power part moving contact, there is the first fixed contact of the first quiet power part, moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves, it is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect, be positioned at two elasticity bodys that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body is welded to connect one end of portion ceramic body away from endless metal, for each ceramic body of shutoff, away from endless metal, be welded to connect the cover plate assembly of opening of one end of portion, connect a corresponding metal bellows and with the endless metal auxiliary welding plate of a ceramic body of this metal bellows adaptation, each cover plate assembly center is provided with circular hole, described annular metal sheet, elasticity body, ceramic body, cover plate assembly and endless metal auxiliary welding plate enclose and form a containing cavity, the first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity.
In such scheme, elasticity body is metal bellows, one end of each metal bellows is welded on annular metal sheet corresponding one and is welded to connect in portion, the other end is welded on one end that approaches annular metal sheet of a corresponding endless metal auxiliary welding plate, and the other end of endless metal auxiliary welding plate is weldingly fixed on a corresponding ceramic body.
In such scheme, on annular metal sheet, in abutting connection with the plate body of centre bore, be arranged in containing cavity and as the second quiet power part; Moving contact also comprises the conducting rod being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.
In such scheme, moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The third technical scheme that realizes the object of the invention is: a kind of vacuum switch tube, comprise housing, have moving power part moving contact, there is the first fixed contact of the first quiet power part; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; Described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect, are positioned at two elasticity bodys that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body away from endless metal, the cover plate assembly of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal, connect a corresponding metal bellows and with the endless metal auxiliary welding plate of a ceramic body of this metal bellows adaptation; Each cover plate assembly center is provided with circular hole; Described annular metal sheet, elasticity body, ceramic body, cover plate assembly and endless metal auxiliary welding plate enclose and form a containing cavity; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity; Described each ceramic body is provided with supplementary insulation pipe portion, and each elasticity body is set in a corresponding supplementary insulation pipe portion, and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap.
In such scheme, between the periphery wall of each supplementary insulation pipe portion and the internal perisporium of a corresponding elasticity body, leave gap.
In such scheme, between the periphery wall of each supplementary insulation pipe portion and corresponding endless metal auxiliary welding plate internal perisporium, leave gap.
In such scheme, on annular metal sheet, in abutting connection with the plate body of centre bore, be arranged in containing cavity and as the second quiet power part; Moving contact also comprises the conducting rod being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.
In such scheme, moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The 4th kind of technical scheme that realizes the object of the invention is: a kind of vacuum switch tube, comprise housing, have moving power part moving contact, there is the first fixed contact of the first quiet power part, moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves, it is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect, be positioned at two elasticity bodys that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body is welded to connect one end of portion ceramic body away from endless metal, for each ceramic body of shutoff, away from endless metal, be welded to connect the cover plate assembly of opening of one end of portion, connect a corresponding metal bellows and with the endless metal auxiliary welding plate of a ceramic body of this metal bellows adaptation, each cover plate assembly center is provided with circular hole, described annular metal sheet, elasticity body, ceramic body, cover plate assembly and endless metal auxiliary welding plate enclose and form a containing cavity, the first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity, described each ceramic body is provided with supplementary insulation pipe portion, and each elasticity body is set in a corresponding supplementary insulation pipe portion, and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap, the two side ends of annular metal sheet is respectively provided with an annular insulation isolated tube, each isolated tube that insulate is fixedly installed on annular metal sheet in abutting connection with one end of annular metal sheet, and one end away from annular metal sheet of each isolated tube that insulate extend in a corresponding described gap.
In such scheme, between one end away from annular metal sheet of each isolated tube that insulate and the ceramic body of homonymy, leave gap.
In such scheme, the internal perisporium of each elasticity body can move back and forth on the periphery wall of a corresponding insulation isolated tube.
In such scheme, on annular metal sheet, in abutting connection with the plate body of centre bore, be arranged in containing cavity and as the second quiet power part; Moving contact also comprises the conducting rod being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.
In such scheme, moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
Structure of the present invention is comparatively reasonable, and when carrying out divide-shut brake action, elasticity body can play cushioning effect, effectively prevents that ceramic body from the faults such as loosening or cracked occurring, and have guaranteed functional reliability and useful 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.
Embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the first structure of the present invention, has shown the first embodiment of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 1, comprise housing 1, have moving power part 21 moving contact 2, there is the first fixed contact 3 of the first quiet power part 31; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; Described housing comprises that both sides all have the annular metal sheet 4 of the portion of being welded to connect 41, are positioned at two elasticity bodys 5 that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body 6 away from endless metal, the cover plate assembly 7 of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal; Each cover plate assembly center is provided with circular hole 71; Described annular metal sheet 4, elasticity body 5, ceramic body 6 and cover plate assembly 7 enclose and form a containing cavity 11; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity.
In the present embodiment, elasticity body is metal bellows, and one end of each metal bellows is welded on annular metal sheet corresponding one and is welded to connect in portion, and the other end is welded on a ceramic body with this metal bellows homonymy.
In the present embodiment, on annular metal sheet, in abutting connection with the plate body of centre bore 43, be arranged in containing cavity and as the second quiet power part 42; Moving contact also comprises the conducting rod 22 being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.Moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The present embodiment structure is comparatively reasonable, and when carrying out divide-shut brake action, elasticity body can play cushioning effect, effectively prevents that ceramic body from the faults such as loosening or cracked occurring, and have guaranteed functional reliability and useful life.
(embodiment 2)
Fig. 2 is a kind of structural representation of the second structure of the present invention, has shown the second embodiment of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 2, comprise housing 1, have moving power part 21 moving contact 2, there is the first fixed contact 3 of the first quiet power part 31; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; Described housing comprises that both sides all have the annular metal sheet 4 of the portion of being welded to connect 41, are positioned at two elasticity bodys 5 that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body 6 away from endless metal, the cover plate assembly 7 of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal, connect a corresponding metal bellows and with the endless metal auxiliary welding plate 8 of a ceramic body of this metal bellows adaptation; Each cover plate assembly center is provided with circular hole 71; Described annular metal sheet 4, elasticity body 5, ceramic body 6 cover plate assemblies 7 and endless metal auxiliary welding plate 8 enclose and form a containing cavity 11; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity.
In the present embodiment, elasticity body is metal bellows, one end of each metal bellows is welded on annular metal sheet corresponding one and is welded to connect in portion, the other end is welded on one end that approaches annular metal sheet of a corresponding endless metal auxiliary welding plate, and the other end of endless metal auxiliary welding plate is weldingly fixed on a corresponding ceramic body.
In the present embodiment, on annular metal sheet, in abutting connection with the plate body of centre bore 43, be arranged in containing cavity and as the second quiet power part 42; Moving contact also comprises the conducting rod 22 being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.Moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
Elasticity body is subject to self structure restriction, and when being weldingly connected with ceramic body, percent defective is higher; The present embodiment by setting up an endless metal auxiliary welding plate between elasticity body and ceramic body, one end and the elasticity body of this endless metal auxiliary welding plate are weldingly connected, the other end and ceramic body are weldingly connected, thereby effectively reduce manufacturing process difficulty, promote rate of finished products.
(embodiment 3)
Fig. 3 is a kind of structural representation of the third structure of the present invention, has shown the third embodiment of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 3, comprise housing 1, have moving power part 21 moving contact 2, there is the first fixed contact 3 of the first quiet power part 31; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; Described housing comprises that both sides all have the annular metal sheet 4 of the portion of being welded to connect 41, are positioned at two elasticity bodys 5 that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body 6 away from endless metal, the cover plate assembly 7 of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal, connect a corresponding metal bellows and with the endless metal auxiliary welding plate 8 of a ceramic body of this metal bellows adaptation; Each cover plate assembly center is provided with circular hole 71; Described annular metal sheet 4, elasticity body 5, ceramic body 6, cover plate assembly 7 and endless metal auxiliary welding plate 8 enclose and form a containing cavity 11; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity; Described each ceramic body is provided with supplementary insulation pipe portion 61, and each elasticity body is set in a corresponding supplementary insulation pipe portion 61, and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap 100.
Between the periphery wall of each supplementary insulation pipe portion and the internal perisporium of a corresponding elasticity body, leave gap 100.
Between the periphery wall of each supplementary insulation pipe portion and corresponding endless metal auxiliary welding plate internal perisporium, leave gap 100.
In the present embodiment, on annular metal sheet, in abutting connection with the plate body of centre bore 43, be arranged in containing cavity and as the second quiet power part 42; Moving contact also comprises the conducting rod 22 being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.Moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.
The present embodiment, by setting up the supplementary insulation pipe portion that is positioned at elasticity body inside, has promoted the uniformity of the Electric Field Distribution of elastic tube body region in containing cavity, has also promoted the insulation property between conducting rod and elasticity body.
(embodiment 4)
Fig. 4 is a kind of structural representation of the 4th kind of structure of the present invention, has shown the 4th kind of embodiment of the present invention.
The present embodiment is a kind of vacuum switch tube, as shown in Figure 4, comprise housing 1, have moving power part 21 moving contact 2, there is the first fixed contact 3 of the first quiet power part 31; Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; Described housing comprises that both sides all have the annular metal sheet 4 of the portion of being welded to connect 41, are positioned at two elasticity bodys 5 that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body 6 away from endless metal, the cover plate assembly 7 of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal, connect a corresponding metal bellows and with the endless metal auxiliary welding plate 8 of a ceramic body of this metal bellows adaptation; Each cover plate assembly center is provided with circular hole 71; Described annular metal sheet 4, elasticity body 5, ceramic body 6, cover plate assembly 7 and endless metal auxiliary welding plate 8 enclose and form a containing cavity 11; The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity; Described each ceramic body is provided with supplementary insulation pipe portion 61, and each elasticity body is set in a corresponding supplementary insulation pipe portion 61, and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap 100; The two side ends of annular metal sheet is respectively provided with an annular insulation isolated tube 9, each isolated tube 9 that insulate is fixedly installed on annular metal sheet in abutting connection with one end of annular metal sheet, and one end away from annular metal sheet of each isolated tube that insulate extend in a corresponding described gap 100.
Between one end away from annular metal sheet of each isolated tube that insulate and the ceramic body of homonymy, leave gap 100.
In the present embodiment, on annular metal sheet, in abutting connection with the plate body of centre bore 43, be arranged in containing cavity and as the second quiet power part 42; Moving contact also comprises the conducting rod 22 being connected with moving power part, and moving 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 greater than the external diameter of conducting rod and is less than the external diameter of moving power part; Moving power part is finally being connected on the second quiet power part when the second quiet power part moves.Moving power part is when the first fixed contact moves, and one end away from the second quiet power part of moving power part is finally connected on the first quiet power part; Moving power part is when the second quiet power part moves, and one end that approaches the second quiet power part of moving power part is finally connected on the second quiet power part.The internal perisporium of each elasticity body can move back and forth on the periphery wall of a corresponding insulation isolated tube 9.
The present embodiment, by setting up insulation isolated tube, has further promoted the uniformity of the Electric Field Distribution of elastic tube body region in containing cavity, and the insulation property between conducting rod and elasticity body.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, 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 exhaustive without also giving all execution modes.And these belong to apparent variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (10)
1. a vacuum switch tube, comprise housing (1), have moving power part (21) moving contact (2), there is first fixed contact (3) of the first quiet power part (31); Moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves; It is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect (41) (4), are positioned at two elasticity bodys (5) that annular metal sheet is welded to connect portion both sides, are positioned at each elasticity body is welded to connect one end of portion ceramic body (6) away from endless metal, the cover plate assembly (7) of the opening of one end of being welded to connect portion for each ceramic body of shutoff away from endless metal; Each cover plate assembly center is provided with circular hole (71); Described annular metal sheet (4), elasticity body (5), ceramic body (6) and cover plate assembly (7) enclose and form a containing cavity (11); The first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity.
2. vacuum switch tube according to claim 1, it is characterized in that: elasticity body is metal bellows, one end of each metal bellows is welded on annular metal sheet corresponding one and is welded to connect in portion, and the other end is welded on a ceramic body with this metal bellows homonymy.
3. a vacuum switch tube, comprise housing (1), have moving power part (21) moving contact (2), there is first fixed contact (3) of the first quiet power part (31), moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves, it is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect (41) (4), be positioned at two elasticity bodys (5) that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body is welded to connect one end of portion ceramic body (6) away from endless metal, for each ceramic body of shutoff, away from endless metal, be welded to connect the cover plate assembly (7) of opening of one end of portion, connect a corresponding metal bellows and with the endless metal auxiliary welding plate (8) of a ceramic body of this metal bellows adaptation, each cover plate assembly center is provided with circular hole (71), described annular metal sheet (4), elasticity body (5), ceramic body (6), cover plate assembly (7) and endless metal auxiliary welding plate (8) enclose and form a containing cavity (11), the first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity.
4. vacuum switch tube according to claim 3, it is characterized in that: elasticity body is metal bellows, one end of each metal bellows is welded on annular metal sheet corresponding one and is welded to connect in portion, the other end is welded on one end that approaches annular metal sheet of a corresponding endless metal auxiliary welding plate, and the other end of endless metal auxiliary welding plate is weldingly fixed on a corresponding ceramic body.
5. a vacuum switch tube, comprise housing (1), have moving power part (21) moving contact (2), there is first fixed contact (3) of the first quiet power part (31), moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves, it is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect (41) (4), be positioned at two elasticity bodys (5) that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body is welded to connect one end of portion ceramic body (6) away from endless metal, for each ceramic body of shutoff, away from endless metal, be welded to connect the cover plate assembly (7) of opening of one end of portion, connect a corresponding metal bellows and with the endless metal auxiliary welding plate (8) of a ceramic body of this metal bellows adaptation, each cover plate assembly center is provided with circular hole (71), described annular metal sheet (4), elasticity body (5), ceramic body (6), cover plate assembly (7) and endless metal auxiliary welding plate (8) enclose and form a containing cavity (11), the first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity, described each ceramic body is provided with supplementary insulation pipe portion (61), and it is upper that each elasticity body is set in a corresponding supplementary insulation pipe portion (61), and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap (100).
6. vacuum switch tube according to claim 5, is characterized in that: between the periphery wall of each supplementary insulation pipe portion and the internal perisporium of a corresponding elasticity body, leave gap (100).
7. vacuum switch tube according to claim 5, is characterized in that: between the periphery wall of each supplementary insulation pipe portion and corresponding endless metal auxiliary welding plate internal perisporium, leave gap (100).
8. a vacuum switch tube, comprise housing (1), have moving power part (21) moving contact (2), there is first fixed contact (3) of the first quiet power part (31), moving power part is followed moving contact and is moved back and forth, and is finally being connected on the first quiet power part when the first fixed contact moves, it is characterized in that: described housing comprises that both sides all have the annular metal sheet of the portion of being welded to connect (41) (4), be positioned at two elasticity bodys (5) that annular metal sheet is welded to connect portion both sides, be positioned at each elasticity body is welded to connect one end of portion ceramic body (6) away from endless metal, for each ceramic body of shutoff, away from endless metal, be welded to connect the cover plate assembly (7) of opening of one end of portion, connect a corresponding metal bellows and with the endless metal auxiliary welding plate (8) of a ceramic body of this metal bellows adaptation, each cover plate assembly center is provided with circular hole (71), described annular metal sheet (4), elasticity body (5), ceramic body (6), cover plate assembly (7) and endless metal auxiliary welding plate (8) enclose and form a containing cavity (11), the first quiet power part of the moving power part of moving contact and the first fixed contact is arranged in this containing cavity, described each ceramic body is provided with supplementary insulation pipe portion (61), and it is upper that each elasticity body is set in a corresponding supplementary insulation pipe portion (61), and each supplementary insulation pipe portion approaches between a side of annular metal sheet and annular metal sheet and leaves gap (100), the two side ends of annular metal sheet is respectively provided with an annular insulation isolated tube (9), each isolated tube that insulate (9) is fixedly installed on annular metal sheet in abutting connection with one end of annular metal sheet, and one end away from annular metal sheet of each isolated tube that insulate extend in a corresponding described gap (100).
9. vacuum switch tube according to claim 8, is characterized in that: between one end away from annular metal sheet of each isolated tube that insulate and the ceramic body of homonymy, leave gap (100).
10. vacuum switch tube according to claim 8, is characterized in that: the internal perisporium of each elasticity body can move back and forth on the periphery wall of a corresponding insulation isolated tube (9).
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610164974.2A CN105742113B8 (en) | 2013-11-27 | 2013-11-27 | A kind of vacuum switch tube |
| CN201610163648.XA CN105719891B8 (en) | 2013-11-27 | 2013-11-27 | Promote the vacuum switch tube of insulation performance |
| CN201610345882.4A CN105895442A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving insulation performance |
| CN201610345966.8A CN105895444A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving uniformity of electric field distribution |
| CN201610343081.4A CN105914092A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610346318.4A CN105895445A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
| CN201610163612.1A CN105762003B8 (en) | 2013-11-27 | 2013-11-27 | A kind of vacuum switch tube promoting insulation performance |
| CN201610344675.7A CN105914095A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing electric field distribution uniformity |
| CN201610164034.3A CN105742111B8 (en) | 2013-11-27 | 2013-11-27 | Promote the vacuum switch tube of field distribution uniformity |
| CN201610164231.5A CN105742112B8 (en) | 2013-11-27 | 2013-11-27 | A kind of vacuum switch tube with preferable buffer function |
| CN201610345469.8A CN105895443A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
| CN201310680121.0A CN104157507B (en) | 2013-11-27 | Vacuum switch tube | |
| CN201610343245.3A CN105914094A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610343004.9A CN105914093A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing insulation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680121.0A CN104157507B (en) | 2013-11-27 | Vacuum switch tube |
Related Child Applications (17)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610343081.4A Division CN105914092A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610163613.6A Division CN105762004A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of improving electric field distribution uniformity |
| CN201610164974.2A Division CN105742113B8 (en) | 2013-11-27 | 2013-11-27 | A kind of vacuum switch tube |
| CN201610344675.7A Division CN105914095A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing electric field distribution uniformity |
| CN201610163612.1A Division CN105762003B8 (en) | 2013-11-27 | 2013-11-27 | A kind of vacuum switch tube promoting insulation performance |
| CN201610164975.7A Division CN105742114A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube |
| CN201610163911.5A Division CN105742110A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
| CN201610343245.3A Division CN105914094A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing finished product rate |
| CN201610345966.8A Division CN105895444A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving uniformity of electric field distribution |
| CN201610163648.XA Division CN105719891B8 (en) | 2013-11-27 | 2013-11-27 | Promote the vacuum switch tube of insulation performance |
| CN201610164985.0A Division CN105762005A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of improving yield |
| CN201610346318.4A Division CN105895445A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
| CN201610164231.5A Division CN105742112B8 (en) | 2013-11-27 | 2013-11-27 | A kind of vacuum switch tube with preferable buffer function |
| CN201610345882.4A Division CN105895442A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube for improving insulation performance |
| CN201610345469.8A Division CN105895443A (en) | 2013-11-27 | 2013-11-27 | Vacuum switching tube having relatively high buffer effect |
| CN201610164034.3A Division CN105742111B8 (en) | 2013-11-27 | 2013-11-27 | Promote the vacuum switch tube of field distribution uniformity |
| CN201610343004.9A Division CN105914093A (en) | 2013-11-27 | 2013-11-27 | Vacuum switch tube capable of enhancing insulation performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104157507A true CN104157507A (en) | 2014-11-19 |
| CN104157507B CN104157507B (en) | 2016-11-30 |
Family
ID=
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962289A (en) * | 1988-07-27 | 1990-10-09 | Sachsenwerk Aktiengesellschaft | Switch chamber for a vacuum switch |
| CN2253518Y (en) * | 1995-01-29 | 1997-04-30 | 王海林 | Vacuum switching tube |
| CN201584356U (en) * | 2010-01-13 | 2010-09-15 | 锦州华光玻璃开关管有限公司 | Ceramic vacuum switching tube |
| 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 |
| CN203659740U (en) * | 2013-11-27 | 2014-06-18 | 黄俊龙 | Vacuum switch tube |
| CN203659736U (en) * | 2013-11-27 | 2014-06-18 | 黄俊龙 | High-voltage vacuum switch tube |
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962289A (en) * | 1988-07-27 | 1990-10-09 | Sachsenwerk Aktiengesellschaft | Switch chamber for a vacuum switch |
| CN2253518Y (en) * | 1995-01-29 | 1997-04-30 | 王海林 | Vacuum switching tube |
| CN201584356U (en) * | 2010-01-13 | 2010-09-15 | 锦州华光玻璃开关管有限公司 | Ceramic vacuum switching tube |
| 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 |
| CN203659740U (en) * | 2013-11-27 | 2014-06-18 | 黄俊龙 | Vacuum switch tube |
| CN203659736U (en) * | 2013-11-27 | 2014-06-18 | 黄俊龙 | High-voltage vacuum switch tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105914092A (en) | 2016-08-31 |
| CN105914094A (en) | 2016-08-31 |
| CN105895443A (en) | 2016-08-24 |
| CN105914095A (en) | 2016-08-31 |
| CN105914093A (en) | 2016-08-31 |
| CN105895442A (en) | 2016-08-24 |
| CN105895445A (en) | 2016-08-24 |
| CN105895444A (en) | 2016-08-24 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Feng Inventor after: Xia Yongyou Inventor after: Wang Wei Inventor after: Wang Cuan Inventor before: Huang Junlong |
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Effective date of registration: 20161025 Address after: 276200 Shandong city of Linyi Province Hong Lu Liu Mengyin County No. 111 Applicant after: State Grid Shandong electric power company Mengyin power supply company Address before: Yueqing City, Zhejiang province 325600 bovine cave village in Wenzhou City Applicant before: Huang Junlong |
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Effective date of registration: 20180702 Address after: 226000 7 groups of Huayuan village, Xianfeng Town, Tongzhou District, Nantong, Jiangsu. Patentee after: Jiangsu eversafe Electric Co. Ltd. Address before: 276200 Liu Hong Road, Mengyin County, Linyi, Shandong Province, No. 111 Patentee before: State Grid Shandong electric power company Mengyin power supply company |