CN108091518A - A kind of high-voltage AC breaker and its arc-chutes and moving contact - Google Patents
A kind of high-voltage AC breaker and its arc-chutes and moving contact Download PDFInfo
- Publication number
- CN108091518A CN108091518A CN201711411828.6A CN201711411828A CN108091518A CN 108091518 A CN108091518 A CN 108091518A CN 201711411828 A CN201711411828 A CN 201711411828A CN 108091518 A CN108091518 A CN 108091518A
- Authority
- CN
- China
- Prior art keywords
- seat
- anger
- cylinder
- calming
- air cylinder
- 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.)
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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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/22—Selection of fluids for arc-extinguishing
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
-
- 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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
Landscapes
- Circuit Breakers (AREA)
Abstract
The present invention provides a kind of moving contact of high-voltage AC breaker and arc-chutes and breaker comprising moving contact, and simple in structure, design is reasonable, easy to connect, stable and reliable in work.Above-mentioned moving contact includes the dynamic main contac, spout seat, air cylinder and the cylinder seat of calming the anger that are coaxially disposed；Dynamic main contac is set on spout seat, and air cylinder, which is set in, calms the anger in cylinder seat, and dynamic main contac and air cylinder dock conduction axially through end face, and spout seat and cylinder seat of calming the anger pass through axial end face and dock fixation；Inwardly protruded first bulge loop is provided on the inside of the connecting pin of dynamic main contac, inwardly protruded second bulge loop is provided on the inside of the connecting pin of air cylinder；The multi-diameter shaft that the connecting pin of spout seat reduces in outer diameter is set, and the multi-diameter shaft that the connecting pin for cylinder seat of calming the anger reduces in outer diameter is set；First bulge loop and the second bulge loop are compressed by spout seat and the ladder for cylinder seat of calming the anger, and pass through spout seat and be fixedly clamped dynamic main contac and the air cylinder of cylinder seat of calming the anger.
Description
Technical field
It is specially a kind of high-voltage AC breaker and its arc-chutes and dynamic the present invention relates to high voltage electric equipment control field
Contact.
Background technology
Extra-high voltage direct-current transmission engineering possesses overlength distance, vast capacity and low-loss ability of supplying electric power, domestic at present special
HVDC transmission system has welcome fast-developing gold period, and ac filter breaker is thrown as exchange side in direct current power transformation
Enter and cut off a kind of important equipment of alternating current filter in current conversion station, the harmonic wave generated in alternating current-direct current conversion process can be reduced,
Ensure that power quality is up to standard.
Compared to normal circuit breaker, ac filter breaker need to cut off capacitive load, there is higher skill to transient recovery voltage
Art requirement；Ac filter Circuit Breaker Switching is frequent, and operating mode is more severe；Ac filter breaker is subjected to alternating current-direct current mixed-voltage.
In the prior art, in arc-extinguishing chamber of circuit breaker, the assembly method of dynamic main contac and air cylinder is to be connected through a screw thread to be mounted on
Spout seat and cylinder seat of calming the anger.In the normal course of operation of breaker, the threaded connection place between each non-standard component can not pin
The locking processing of carry out to property easily generates loosening, if further ensureing to be threadedly coupled reliability, inevitably results in knot
Structure is complicated, and conductive and insulation will go wrong.
The content of the invention
For problems of the prior art, the present invention provides a kind of high-voltage AC breaker and its arc-chutes and moves and touches
Head, simple in structure, design is reasonable, easy to connect, stable and reliable in work.
The present invention is to be achieved through the following technical solutions：
A kind of moving contact of high-voltage AC breaker arc-chutes, including be coaxially disposed dynamic main contac, spout seat, calm the anger
Cylinder and cylinder seat of calming the anger；Dynamic main contac is set on spout seat, and air cylinder, which is set in, calms the anger in cylinder seat, dynamic main contac and cylinder shaft of calming the anger
Conductive to being docked by end face, spout seat and cylinder seat of calming the anger are docked by axial end face and fixed；
Inwardly protruded first bulge loop is provided on the inside of the connecting pin of dynamic main contac, is provided on the inside of the connecting pin of air cylinder
Inwardly protruded second bulge loop；
The multi-diameter shaft that the connecting pin of spout seat reduces in outer diameter is set, and the connecting pin for cylinder seat of calming the anger is in the ladder that outer diameter reduces
Axis is set；
First bulge loop and the second bulge loop are compressed by spout seat and the ladder for cylinder seat of calming the anger, and pass through spout seat and cylinder seat of calming the anger
The dynamic main contac that is fixedly clamped and air cylinder.
Preferably, dynamic main contac internal diameter is two level stepped hole, convex including dynamic main contac major diameter section from front to back and first
The path section that ring is formed, rear end are to be conductively connected end.
Further, spout seat outer diameter is two level multi-diameter shaft, small including the big shaft part of spout seat from front to back and spout seat
Shaft part, the ladder connecting end surface of radial direction forms the first seam allowance between two shaft parts, and rear end is fixed connection end.
Further, dynamic main contac major diameter section coordinates with the big shaft part of spout seat, what the first bulge loop of dynamic main contac was formed
Dynamic main contac path section coordinates with the small shaft part of spout seat, and dynamic main contac pressure side surface and the first seam allowance of spout seat coordinate；Dynamic master
Contact pressure side surface is the first bulge loop on the inside of dynamic main contac close to the end face of spout seat one side.
Preferably, cylinder bore of calming the anger be two level stepped hole, including the path section formed by the second bulge loop from front to back with
Air cylinder major diameter section, front end are to be conductively connected end.
Further, cylinder seat of calming the anger outer diameter is two level multi-diameter shaft, including the small shaft part of cylinder seat of calming the anger from front to back and is calmed the anger
The big shaft part of cylinder seat, the ladder connecting end surface of radial direction forms the second seam allowance between two shaft parts, and front end is fixed connection end.
In further, the air cylinder path section of the second bulge loop formation of air cylinder and the small shaft part cooperation of cylinder seat of calming the anger, pressure
Cylinder major diameter section and the big shaft part of cylinder seat of calming the anger coordinate, and the second seam allowance of air cylinder pressure side surface and cylinder seat of calming the anger coordinates；Air cylinder
Pressure side surface is the second bulge loop on the inside of air cylinder close to the end face for cylinder seat one side of calming the anger.
Preferably, spout seat is bolted with cylinder seat of calming the anger, and makes dynamic main contac connecting end surface and air cylinder connecting pin
Face pressure is tightly conductively connected；Dynamic main contac connecting end surface and air cylinder connecting end surface are led for the axial docking of dynamic main contac and air cylinder
Electric end face.
A kind of high-voltage AC breaker arc-chutes, including above-mentioned any one moving contact.
A kind of high-voltage AC breaker, including above-mentioned any one moving contact or above-mentioned arc-chutes.
Compared with prior art, the present invention has technique effect beneficial below：
Then the present invention passes through spout seat and air cylinder by setting first and second bulge loop in dynamic main contac and air cylinder
Being fixedly connected for seat carries out ladder compression, is fixedly clamped dynamic main contac and air cylinder by spout seat and cylinder seat of calming the anger, with routine
It is direct be threadedly coupled installation and compare, connect more reliable stabilization, conductive contact is functional, and conduction docking end face is smooth,
Excellent electrical properties.
Further, corresponding set is carried out by the two level stepped hole of dynamic main contac internal diameter and the multi-diameter shaft of spout seat outer diameter
Cooperation positioning is connect, support is provided for dynamic main contac crimping and compresses stress surface.
Further, corresponding set is carried out by the two level stepped hole for cylinder bore of calming the anger and the multi-diameter shaft for cylinder seat outer diameter of calming the anger
Cooperation positioning is connect, support is provided for air cylinder crimping and compresses stress surface.
Further, fixed by the connection of standard component, can ensure the firm and convenient and reliable of connection, connection being capable of letter
It is single reliably to loosen, meet use demand.
Arc-chutes and breaker of the present invention are had excellent performance, reliable and stable work, simple and ingenious structure.
Description of the drawings
Fig. 1 is the structure diagram of moving contact of the present invention.
Fig. 2 is the partial enlargement explosive view of connecting portion in Fig. 1.
In figure：Dynamic main contac 1, spout seat 2, air cylinder 3, cylinder seat of calming the anger 4, bolt 5, dynamic main contac major diameter section 11, dynamic master
Contact pressure side surface 12, the first bulge loop 13, air cylinder connecting end surface 31, the second bulge loop 32, are calmed the anger at dynamic main contac connecting end surface 14
Cylinder pressure side surface 33, air cylinder major diameter section 34, the big shaft part 21 of spout seat, the first seam allowance 22, the small shaft part 23 of spout seat, cylinder seat of calming the anger
Small shaft part 41, the second seam allowance 42, the big shaft part 43 of cylinder seat of calming the anger.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
A kind of moving contact of high-voltage AC breaker arc-chutes of the present invention, as depicted in figs. 1 and 2, including coaxially setting
Dynamic main contac 1, spout seat 2, air cylinder 3 and the cylinder seat 4 of calming the anger put；Dynamic main contac 1 and air cylinder 3 are led axially through end face docking
Electricity；Dynamic main contac 1 is set on spout seat 2, and air cylinder 3, which is set in, calms the anger in cylinder seat 4；
Spout seat 2 and cylinder seat 4 of calming the anger are docked by axial end face and fixed, and the connecting pin of spout seat 2 is in the rank that outer diameter reduces
Terraced axis is set, and the multi-diameter shaft that the connecting pin of cylinder seat of calming the anger 4 reduces in outer diameter is set；
Inwardly protruded first bulge loop 13 is provided on the inside of the connecting pin of dynamic main contac 1, is set on the inside of the connecting pin of pressure cylinder 3
It is equipped with inwardly protruded second bulge loop 32；
First bulge loop 13 and the second bulge loop 32 are compressed by spout seat 2 and the ladder for cylinder seat 4 of calming the anger, and pass through spout seat 2 and pressure
Be fixedly clamped dynamic main contac 1 and the air cylinder 3 of cylinder block 4.
1 internal diameter of dynamic main contac is stepped hole, and the stepped hole is two level stepped hole, big including dynamic main contac from front to back
The path section that footpath section 11 and the first bulge loop 13 are formed, rear end is connecting pin.
3 internal diameter of air cylinder is stepped hole, and the stepped hole is two level stepped hole, including from front to back by the second bulge loop 32
The path section of formation and air cylinder major diameter section 34, front end is connecting pin.
2 outer diameter of spout seat is multi-diameter shaft, and the multi-diameter shaft is two level multi-diameter shaft, including the big shaft part of spout seat from front to back
21 and the small shaft part 23 of spout seat, the ladder connecting end surface of radial direction forms the first seam allowance 22 between two shaft parts.
4 outer diameter of cylinder seat of calming the anger is multi-diameter shaft, and the multi-diameter shaft is two level multi-diameter shaft, small including cylinder seat of calming the anger from front to back
It shaft part 41 and calms the anger the big shaft part 43 of cylinder seat, the ladder connecting end surface of radial direction forms the second seam allowance 42 between two shaft parts.
11 shaft part 21 big with spout seat of dynamic main contac major diameter section coordinates, the dynamic master of the first bulge loop 13 formation of dynamic main contac 1
Contact path section shaft part 23 small with spout seat coordinates, and the left side of 1 the first bulge loop 13 of inside of dynamic main contac compresses for dynamic main contac
End face 12 and the first seam allowance 22 of spout seat 2 coordinate.
The air cylinder path section shaft part 41 small with cylinder seat of calming the anger that second bulge loop 32 of air cylinder 3 is formed coordinates, and air cylinder is big
Footpath 34 shaft parts 43 big with cylinder seat of calming the anger of section coordinate, and the right side of 3 the second bulge loop 32 of inside of air cylinder is air cylinder pressure side surface 33
Coordinate with the second seam allowance 42 of cylinder seat 4 of calming the anger.
Spout seat 2 is connected with cylinder seat 4 of calming the anger by bolt 5, is compressed dynamic main contac 1 and air cylinder 3, is connected dynamic main contac
End face 14 is closely connected with air cylinder connecting end surface 31.
Dynamic main contac right side is dynamic main contac connecting end surface 14, and air cylinder left side is air cylinder connecting end surface 31.
A kind of high-voltage AC breaker arc-chutes of the present invention include above-mentioned moving contact；A kind of high pressure is handed over
Flowing breaker includes above-mentioned arc-chutes or above-mentioned moving contact.
Claims (10)
1. a kind of moving contact of high-voltage AC breaker arc-chutes, which is characterized in that including the dynamic main contac being coaxially disposed
(1), spout seat (2), air cylinder (3) and cylinder seat of calming the anger (4)；Dynamic main contac (1) is set on spout seat (2), air cylinder (3) set
It is located in cylinder seat of calming the anger (4), dynamic main contac (1) and air cylinder (3) dock conductive axially through end face, spout seat (2) and calm the anger
Cylinder seat (4) is docked by axial end face fixes；
Inwardly protruded first bulge loop (13), the connecting pin inside of air cylinder (3) are provided on the inside of the connecting pin of dynamic main contac (1)
It is provided with inwardly protruded second bulge loop (32)；
The multi-diameter shaft that the connecting pin of spout seat (2) reduces in outer diameter is set, and the connecting pin of cylinder seat of calming the anger (4) is in the rank that outer diameter reduces
Terraced axis is set；
First bulge loop (13) and the second bulge loop (32) are compressed by spout seat (2) and the ladder of cylinder seat of calming the anger (4), pass through spout seat
(2) and the dynamic main contac that is fixedly clamped of cylinder seat of calming the anger (4) (1) and air cylinder (3).
A kind of 2. moving contact of high-voltage AC breaker arc-chutes according to claim 1, which is characterized in that dynamic main contac
(1) internal diameter is two level stepped hole, the path formed including dynamic main contac major diameter section (11) from front to back and the first bulge loop (13)
Section, rear end are to be conductively connected end.
A kind of 3. moving contact of high-voltage AC breaker arc-chutes according to claim 2, which is characterized in that spout seat
(2) outer diameter is two level multi-diameter shaft, including the big shaft part of spout seat (21) from front to back and the small shaft part of spout seat (23), two shaft parts
Between radial direction ladder connecting end surface formed the first seam allowance (22), rear end is fixed connection end.
A kind of 4. moving contact of high-voltage AC breaker arc-chutes according to claim 3, which is characterized in that dynamic main contac
Major diameter section (11) coordinates with the big shaft part of spout seat (21), the dynamic main contac path of the first bulge loop (13) formation of dynamic main contac (1)
Section coordinates with the small shaft part of spout seat (23), and dynamic main contac pressure side surface (12) and the first seam allowance (22) of spout seat (2) coordinate；It is dynamic
Main contact pressure side surface (12) is the first bulge loop (13) on the inside of dynamic main contac (1) close to the end face of spout seat (2) one side.
A kind of 5. moving contact of high-voltage AC breaker arc-chutes according to claim 1, which is characterized in that air cylinder
(3) internal diameter is two level stepped hole, including the path section formed by the second bulge loop (32) from front to back and air cylinder major diameter section
(34), front end is to be conductively connected end.
A kind of 6. moving contact of high-voltage AC breaker arc-chutes according to claim 5, which is characterized in that cylinder seat of calming the anger
(4) outer diameter is two level multi-diameter shaft, including the small shaft part of cylinder seat of calming the anger (41) from front to back and the big shaft part of cylinder seat of calming the anger (43), two
The ladder connecting end surface of radial direction forms the second seam allowance (42) between shaft part, and front end is fixed connection end.
A kind of 7. moving contact of high-voltage AC breaker arc-chutes according to claim 6, which is characterized in that air cylinder
(3) the air cylinder path section and the small shaft part of cylinder seat (41) cooperation of calming the anger that the second bulge loop (32) is formed, air cylinder major diameter section (34)
Coordinate with the big shaft part of cylinder seat of calming the anger (43), the second seam allowance (42) of air cylinder pressure side surface (33) and cylinder seat (4) of calming the anger coordinates；Pressure
Cylinder-pressing end face (33) is the second bulge loop (32) on the inside of air cylinder (3) close to the end face for cylinder seat (4) one side of calming the anger.
A kind of 8. moving contact of high-voltage AC breaker arc-chutes according to claim 1, which is characterized in that spout seat
(2) it is connected with cylinder seat of calming the anger (4) by bolt (5), dynamic main contac connecting end surface (14) is made to be pressed with air cylinder connecting end surface (31)
Tightly it is conductively connected；Dynamic main contac connecting end surface (14) and air cylinder connecting end surface (31) are dynamic main contac (1) and air cylinder (3)
The axial conductive end face of docking.
9. a kind of high-voltage AC breaker arc-chutes, which is characterized in that including dynamic tactile described in claim 1-8 any one
Head.
10. a kind of high-voltage AC breaker, which is characterized in that including the moving contact described in claim 1-8 any one or power
Profit requires the arc-chutes described in 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411828.6A CN108091518B (en) | 2017-12-23 | 2017-12-23 | A kind of high-voltage AC breaker and its arc-chutes and moving contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411828.6A CN108091518B (en) | 2017-12-23 | 2017-12-23 | A kind of high-voltage AC breaker and its arc-chutes and moving contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108091518A true CN108091518A (en) | 2018-05-29 |
| CN108091518B CN108091518B (en) | 2019-03-19 |
Family
ID=62177697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411828.6A Active CN108091518B (en) | 2017-12-23 | 2017-12-23 | A kind of high-voltage AC breaker and its arc-chutes and moving contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108091518B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496615A (en) * | 2022-02-14 | 2022-05-13 | 平高集团有限公司 | Spout connection structure and explosion chamber and circuit breaker |
| CN114628175A (en) * | 2021-12-21 | 2022-06-14 | 平高集团有限公司 | Circuit breaker arc extinguish chamber and nozzle fixing structure thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10228850A (en) * | 1997-02-17 | 1998-08-25 | Hitachi Ltd | Puffer gas filled breaker |
| CN103311049A (en) * | 2012-03-07 | 2013-09-18 | 厦门华电开关有限公司 | Circuit breaker arc extinguishing chamber and static arc contact thereof |
| JP5925455B2 (en) * | 2011-09-20 | 2016-05-25 | 株式会社東芝 | Gas circuit breaker |
| CN106098458A (en) * | 2016-06-24 | 2016-11-09 | 河南平芝高压开关有限公司 | Anti-loose structure and use contact assembly and the chopper of this structure |
| CN106710961A (en) * | 2017-02-10 | 2017-05-24 | 平高集团有限公司 | Circuit breaker as well as arc extinguishing chamber and nozzle thereof |
-
2017
- 2017-12-23 CN CN201711411828.6A patent/CN108091518B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10228850A (en) * | 1997-02-17 | 1998-08-25 | Hitachi Ltd | Puffer gas filled breaker |
| JP5925455B2 (en) * | 2011-09-20 | 2016-05-25 | 株式会社東芝 | Gas circuit breaker |
| CN103311049A (en) * | 2012-03-07 | 2013-09-18 | 厦门华电开关有限公司 | Circuit breaker arc extinguishing chamber and static arc contact thereof |
| CN106098458A (en) * | 2016-06-24 | 2016-11-09 | 河南平芝高压开关有限公司 | Anti-loose structure and use contact assembly and the chopper of this structure |
| CN106710961A (en) * | 2017-02-10 | 2017-05-24 | 平高集团有限公司 | Circuit breaker as well as arc extinguishing chamber and nozzle thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114628175A (en) * | 2021-12-21 | 2022-06-14 | 平高集团有限公司 | Circuit breaker arc extinguish chamber and nozzle fixing structure thereof |
| CN114628175B (en) * | 2021-12-21 | 2023-11-17 | 平高集团有限公司 | Arc extinguishing chamber of circuit breaker and spout fixed knot of arc extinguishing chamber |
| CN114496615A (en) * | 2022-02-14 | 2022-05-13 | 平高集团有限公司 | Spout connection structure and explosion chamber and circuit breaker |
| CN114496615B (en) * | 2022-02-14 | 2023-11-10 | 平高集团有限公司 | Spout connection structure and explosion chamber and circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108091518B (en) | 2019-03-19 |
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