CN106887360B - A kind of common box type breaker - Google Patents
A kind of common box type breaker Download PDFInfo
- Publication number
- CN106887360B CN106887360B CN201710302484.9A CN201710302484A CN106887360B CN 106887360 B CN106887360 B CN 106887360B CN 201710302484 A CN201710302484 A CN 201710302484A CN 106887360 B CN106887360 B CN 106887360B
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- CN
- China
- Prior art keywords
- contact
- drive shaft
- voltage connection
- moving contact
- insulation
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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
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
-
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of Novel common-box-type breakers, including cabinet and three single-phase circuit breaker insulation systems, three single-phase circuit breaker insulation systems are disposed side by side on evenly and at intervals in the cabinet, and each single-phase circuit breaker insulation system includes insulation sealing shell, rotating slideway, drive shaft, bracket, seal plug, arc-chutes, stationary contact head flange, moving contact flange seat, moving contact, insulated pull rod, current sensor, electrode pull rod, the first high-voltage connection contact and the second high-voltage connection contact.Novel common-box-type breaker of the invention is modular construction, and the integral insulation for improving breaker is horizontal, and is connected reliably, and installation is simple, not easy to make mistakes.
Description
Technical field
The present invention relates to a kind of common box type breakers.
Background technique
Breaker is the division switch for controlling electric loop, if (opening by the title air-break circuit-breaker of arc-extinguishing medium of air
Close) if, using SF6 gas as the title sulfur hexafluoride breaker (switch) of arc-extinguishing medium.Breaker is generally with rated current (load)
Selection, uses as the master switch of electric loop.Breaker is exactly a kind of switch, the difference of it and other regular taps in fact
Mainly exist: 1. applicable voltage class are high；2. arc-extinguishing medium and mode, there is vacuum, few oil, heavy wool and sulfur hexafluoride etc.；3. going out
Arc ability is strong, and effect is good.
The main function of breaker: the zero load in high-tension circuit and load current are switched on and off under normal circumstances；It is being
System breaks down Shi Nengyu protective device and automatic device matches, and rapid disengagement failure electric current prevents fault spread, to protect
Demonstrate,prove system safety operation.
In the prior art, breaker is not modular structure, and installation is inconvenient, and safeguards inconvenience.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of common box type breaker is provided, is modular construction, mentions
The integral insulation of high breaker is horizontal, and connects reliable, and installation is simple, not easy to make mistakes.
Realize above-mentioned purpose technical solution be: a kind of common box type breaker, including cabinet and three single-phase circuit breakers it is exhausted
Edge structure, three single-phase circuit breaker insulation systems are disposed side by side on evenly and at intervals in the cabinet, each described single-phase
Breaker insulation system includes insulation sealing shell, rotating slideway, drive shaft, bracket, seal plug, arc-chutes, static contact method
Orchid, moving contact flange seat, moving contact, insulated pull rod, current sensor, electrode pull rod, the first high-voltage connection contact and second are high
Voltage lead wires contact, in which:
The first bushing jack is offered correspondingly on two side walls being oppositely arranged of the insulation sealing shell
With the second bushing jack, and the bottom hole of the first bushing jack and the first high-voltage connection contact, institute
State the second bushing jack bottom hole and the second high-voltage connection contact；
Drive shaft mounting groove, the rotating slideway, drive shaft and branch are offered on one side wall of the insulation sealing shell
Frame is separately positioned in the drive shaft mounting groove；
The drive shaft is arranged on the bracket, and is connected with the rotating slideway；
The seal plug blocks the opening in the drive shaft mounting groove；
The stationary contact head flange is arranged on the static contact of the arc-chutes；
The moving contact is slidably disposed in the moving contact flange seat, and the moved end conducting rod with the arc-chutes
It is connected；
Offer groove in the outside wall surface of the moving contact, be inlaid with fingertip spring in the groove, the fingertip spring with
The inner wall of the moving contact flange seat is in electrical contact；
The insulated pull rod is arranged between the stationary contact head flange and the moving contact flange seat；
The current sensor is arranged in the outside wall surface of the moving contact flange seat；
One end of the electrode pull rod is connected with the moving contact, and the other end is connected with the rotating slideway；
The first high-voltage connection contact is connected with the stationary contact head flange；
The second high-voltage connection contact is connected with the moving contact flange seat；
The arc-chutes, stationary contact head flange, moving contact flange seat, insulated pull rod, current sensor, the touching of the first high-voltage connection
Head, the second high-voltage connection contact pass through insulating materials sealing in the insulation sealing shell respectively；
The drive shaft of three single-phase circuit breaker insulation systems is coaxially disposed and is connected in turn.
Above-mentioned a kind of common box type breaker, wherein the drive shaft mounting groove is located at the second bushing jack
Underface.
Above-mentioned a kind of common box type breaker, wherein the slot bottom of the drive shaft mounting groove and the moving contact flange seat
Connection.
Above-mentioned a kind of common box type breaker, wherein the insulation sealing shell of each single-phase circuit breaker insulation system
Bottom is fixed on the bottom plate of the cabinet by connecting supporting element.
Above-mentioned a kind of common box type breaker, wherein first sleeve, and institute are plugged in the first bushing jack
The one end and the first high-voltage connection contact, the other end for stating first sleeve extend to the outside of the cabinet；Described
The second casing is plugged in two bushing jacks, and one end of second casing connects with the second high-voltage connection contact
Touching, the other end extend to the outside of the cabinet.
Above-mentioned a kind of common box type breaker, wherein between the first sleeve and the first bushing jack and institute
It states and is respectively arranged with buffer layer between the second casing and the second bushing jack.
Above-mentioned a kind of common box type breaker, wherein the drive shaft of three single-phase circuit breaker insulation systems is using same
The drive shaft of one motor.
Common box type breaker of the invention has the advantage that compared with prior art
(1) all components of unidirectional breaker insulation system improve breaker by sealing inside insulating materials
Integral insulation is horizontal；
(2) modular integrated structure, connection is reliable, and installation is simple, not easy to make mistakes；
(3) oil-free no gas, it is environmentally protective, from maintenance.
Detailed description of the invention
Fig. 1 is the overall structure figure of common box type breaker of the invention；
Fig. 2 is the cross-sectional view of common box type breaker of the invention.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Please refer to Fig. 1 and Fig. 2, highly preferred embodiment of the present invention, a kind of common box type breaker, including cabinet 100 and three
Single-phase circuit breaker insulation system 200, three single-phase circuit breaker insulation systems 200 are disposed side by side on evenly and at intervals in cabinet 100.
Each single-phase circuit breaker insulation system 200 includes insulation sealing shell 1, rotating slideway 2, drive shaft 3, bracket 5, close
Block head 4, arc-chutes 10, stationary contact head flange 12, moving contact flange seat 7, moving contact 9, insulated pull rod 11, current sensor 8, electricity
Pole pull rod 6, the first high-voltage connection contact 15 and the second high-voltage connection contact 18.
13 He of the first bushing jack is offered correspondingly on two side walls being oppositely arranged of insulation sealing shell 1
Second bushing jack 14, and the bottom hole of the first bushing jack 13 is contacted with the first high-voltage connection contact 15, second is high
The bottom hole of pressure sleeve hub 14 is contacted with the second high-voltage connection contact 18；Driving is offered on one side wall of insulation sealing shell 1
Axis mounting groove 19, rotating slideway 2, drive shaft 3 and bracket 5 are separately positioned in drive shaft mounting groove 19；Drive shaft mounting groove 19
Positioned at the underface of the second bushing jack 14, the slot bottom of drive shaft mounting groove 19 is connected to moving contact flange seat 7.Drive shaft
On 3 setting brackets 5, and it is connected with rotating slideway 2；Seal plug 4 blocks the opening in drive shaft mounting groove 19；Stationary contact head flange
12 are arranged on the static contact of arc-chutes 10；Moving contact 9 is slidably disposed in moving contact flange seat 7, and with arc-chutes 10
Moved end conducting rod be connected；Groove is offered in the outside wall surface of moving contact 9, fingertip spring, fingertip spring are inlaid in the groove
It is in electrical contact with the inner wall of moving contact flange seat 7；The setting of insulated pull rod 11 stationary contact head flange 12 and moving contact flange seat 7 it
Between；Current sensor 8 is arranged in the outside wall surface of moving contact flange seat 7；One end of electrode pull rod 6 is connected with moving contact 9, another
End is connected with rotating slideway 2；First high-voltage connection contact 15 is connected with stationary contact head flange 12；Second high-voltage connection contact 18 with it is dynamic
Contact flange seat 7 is connected；Arc-chutes 10, stationary contact head flange 12, moving contact flange seat 7, insulated pull rod 11, current sensor 8,
One high-voltage connection contact 15, the second high-voltage connection contact 18 are respectively through insulating materials sealing in insulation sealing shell 1.
The drive shaft 3 of three single-phase circuit breaker insulation systems 200 is coaxially disposed and is connected in turn.I.e. three single-phase
The drive shaft of breaker insulation system 200 uses the drive shaft of same motor.
The bottom of the insulation sealing shell 1 of each single-phase circuit breaker insulation system 200 is fixed on cabinet by connecting supporting element
On 100 bottom plate.
In each single-phase circuit breaker insulation system 200, first sleeve 20, and are plugged in the first bushing jack 13
One end of sleeve 20 is contacted with the first high-voltage connection contact 15, and the other end extends to the outside of cabinet 100；Second bushing
The second casing 21 is plugged in 14 jacks, and one end of the second casing 21 is contacted with the second high-voltage connection contact 18, the other end prolongs
Extend to the outside of cabinet 100.Between first sleeve 20 and the first bushing jack 13 and the second casing 21 and the second high pressure
Buffer layer is respectively arranged between sleeve hub 14.Two casings are respectively served as inlet-outlet sleeve.
In each single-phase circuit breaker insulation system 200, the first high-voltage connection contact 15 passes through stationary contact head flange 12 and arc extinguishing
The static contact of room 10 is connected, the second high-voltage connection contact 18 connect moving contact flange seat 7, moving contact 9 by electrode pull rod 6 with
Rotating slideway 2 is connected, and drive shaft 3 is able to drive 2 driving electrodes pull rod 6 of rotating slideway dragging moving contact 9 in moving contact flange seat 7
Interior sliding, and moving contact 9 realizes conductive contact by the fingertip spring and moving contact flange seat 7 being embedded in its groove.Installing
Current sensor 8 outside moving contact flange seat 7 can be with the current signal in observation circuit.
Common box type breaker of the invention, three independent single-phase circuit breaker insulation systems 200 pass through connection support positioning
Arrangement, is allowed to uniform in 100 internal clearance of cabinet, symmetrical configuration, position is fixed.Each single-phase circuit breaker insulation system 200 into
Line electrode connects entrance bushing and outlet casing tube by plugging mode respectively out.Same motor driving shaft is extended through in three solely
In vertical single-phase circuit breaker insulation system 200, drive shaft drives rotating slideway, and extraction electrodes pull rod is completed in vacuum extinction room
The breaking operation of contact.
In conclusion common box type breaker of the invention, is modular construction, improves the integral insulation water of breaker
It is flat, and connect reliably, installation is simple, not easy to make mistakes.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (7)
1. a kind of common box type breaker, which is characterized in that including cabinet and three single-phase circuit breaker insulation systems, three lists
Phase breaker insulation system is disposed side by side on evenly and at intervals in the cabinet, and each single-phase circuit breaker insulation system wraps
It includes insulation sealing shell, rotating slideway, drive shaft, bracket, seal plug, arc-chutes, stationary contact head flange, moving contact flange seat, move
Contact, insulated pull rod, current sensor, electrode pull rod, the first high-voltage connection contact and the second high-voltage connection contact, in which:
The first bushing jack and the are offered correspondingly on two side walls being oppositely arranged of the insulation sealing shell
Two bushing jacks, and the bottom hole of the first bushing jack and the first high-voltage connection contact, described the
The bottom hole of two bushing jacks and the second high-voltage connection contact；
Drive shaft mounting groove, the rotating slideway, drive shaft and bracket point are offered on one side wall of the insulation sealing shell
It She Zhi not be in the drive shaft mounting groove；
The drive shaft is arranged on the bracket, and is connected with the rotating slideway；
The seal plug blocks the opening in the drive shaft mounting groove；
The stationary contact head flange is arranged on the static contact of the arc-chutes；
The moving contact is slidably disposed in the moving contact flange seat, and the moved end conducting rod phase with the arc-chutes
Even；
Offer groove in the outside wall surface of the moving contact, be inlaid with fingertip spring in the groove, the fingertip spring with it is described
The inner wall of moving contact flange seat is in electrical contact；
The insulated pull rod is arranged between the stationary contact head flange and the moving contact flange seat；
The current sensor is arranged in the outside wall surface of the moving contact flange seat；
One end of the electrode pull rod is connected with the moving contact, and the other end is connected with the rotating slideway；
The first high-voltage connection contact is connected with the stationary contact head flange；
The second high-voltage connection contact is connected with the moving contact flange seat；
The arc-chutes, stationary contact head flange, moving contact flange seat, insulated pull rod, current sensor, the first high-voltage connection contact,
Second high-voltage connection contact passes through insulating materials sealing in the insulation sealing shell respectively；
The drive shaft of three single-phase circuit breaker insulation systems is coaxially disposed and is connected in turn.
2. a kind of common box type breaker according to claim 1, which is characterized in that the drive shaft mounting groove is located at described
The underface of second bushing jack.
3. a kind of common box type breaker according to claim 1, which is characterized in that the slot bottom of the drive shaft mounting groove with
The moving contact flange seat connection.
4. a kind of common box type breaker according to claim 1, which is characterized in that each single-phase circuit breaker insulation knot
The bottom of the insulation sealing shell of structure is fixed on the bottom plate of the cabinet by connecting supporting element.
5. a kind of common box type breaker according to claim 1, which is characterized in that the first bushing jack interpolation
It is connected to first sleeve, and one end of the first sleeve and the first high-voltage connection contact, the other end extends to described
The outside of cabinet；It is plugged with the second casing in the second bushing jack, and one end of second casing and described the
Two high-voltage connection contacts, the other end extend to the outside of the cabinet.
6. a kind of common box type breaker according to claim 5, which is characterized in that the first sleeve and the first high pressing sleeve
Buffer layer is respectively arranged between pipe jack and between second casing and the second bushing jack.
7. a kind of common box type breaker according to claim 1, which is characterized in that three single-phase circuit breaker insulation knots
The drive shaft of structure uses the drive shaft of same motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302484.9A CN106887360B (en) | 2017-04-27 | 2017-04-27 | A kind of common box type breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302484.9A CN106887360B (en) | 2017-04-27 | 2017-04-27 | A kind of common box type breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106887360A CN106887360A (en) | 2017-06-23 |
| CN106887360B true CN106887360B (en) | 2019-06-14 |
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ID=59183691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710302484.9A Active CN106887360B (en) | 2017-04-27 | 2017-04-27 | A kind of common box type breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106887360B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3671990B1 (en) * | 2018-12-19 | 2021-11-24 | ABB Schweiz AG | Three phase switchgear or control gear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472335Y (en) * | 2001-02-28 | 2002-01-16 | 西安市前进电器实业有限公司 | Automatic vacuum load switch on post |
| CN201207353Y (en) * | 2008-05-16 | 2009-03-11 | 北京合纵科技股份有限公司 | Loading switch extinguishing chamber for inflating cabinet and common-box SF6 looped network cabinet |
| CN103377849A (en) * | 2012-04-28 | 2013-10-30 | 西门子公司 | Three-phase common-box earthed switch |
| US9293281B2 (en) * | 2014-04-29 | 2016-03-22 | Abb Technology Ag | Tank mounting structure for dead tank circuit breaker |
| CN206806233U (en) * | 2017-04-27 | 2017-12-26 | 上海固缘电力科技有限公司 | A kind of Novel common-box-type breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000067713A (en) * | 1998-08-20 | 2000-03-03 | Meidensha Corp | Switching device |
-
2017
- 2017-04-27 CN CN201710302484.9A patent/CN106887360B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2472335Y (en) * | 2001-02-28 | 2002-01-16 | 西安市前进电器实业有限公司 | Automatic vacuum load switch on post |
| CN201207353Y (en) * | 2008-05-16 | 2009-03-11 | 北京合纵科技股份有限公司 | Loading switch extinguishing chamber for inflating cabinet and common-box SF6 looped network cabinet |
| CN103377849A (en) * | 2012-04-28 | 2013-10-30 | 西门子公司 | Three-phase common-box earthed switch |
| US9293281B2 (en) * | 2014-04-29 | 2016-03-22 | Abb Technology Ag | Tank mounting structure for dead tank circuit breaker |
| CN206806233U (en) * | 2017-04-27 | 2017-12-26 | 上海固缘电力科技有限公司 | A kind of Novel common-box-type breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106887360A (en) | 2017-06-23 |
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| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20191206 Address after: 201108 Shanghai City, Minhang District Hua Jin Road No. 191 Building No. 4 Co-patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Patentee after: Shanghai GoodRun Electric Power Technology Co., Ltd. Address before: 201108 Shanghai City, Minhang District Hua Jin Road No. 191 Building No. 4 Patentee before: Shanghai GoodRun Electric Power Technology Co., Ltd. |