CN106887360A - A kind of Novel common-box-type breaker - Google Patents
A kind of Novel common-box-type breaker Download PDFInfo
- Publication number
- CN106887360A CN106887360A CN201710302484.9A CN201710302484A CN106887360A CN 106887360 A CN106887360 A CN 106887360A CN 201710302484 A CN201710302484 A CN 201710302484A CN 106887360 A CN106887360 A CN 106887360A
- Authority
- CN
- China
- Prior art keywords
- contact
- drive shaft
- moving contact
- voltage connection
- box
- 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.)
- Granted
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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
- H01H33/022—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
Abstract
The invention discloses a kind of Novel common-box-type breaker, including casing and three single-phase circuit breaker insulation systems, three single-phase circuit breaker insulation systems are disposed side by side in the casing evenly and at intervals, and each described single-phase circuit breaker insulation system includes insulation sealing shell, rotating slideway, drive shaft, support, seal plug, arc-chutes, stationary contact head flange, moving contact flange seat, moving contact, insulated tension pole, current sensor, electrode pull bar, the first high-voltage connection contact and the second high-voltage connection contact.Novel common-box-type breaker of the invention, is modular construction, improves the integral insulation level of breaker, and connection is reliable, installs simple, not error-prone.
Description
Technical field
The present invention relates to a kind of Novel common-box-type breaker.
Background technology
Breaker is the division switch for controlling electric loop, if the title air-break with air as arc-extinguishing medium (is opened
Close) if, the title sulfur hexafluoride breaker (switch) with SF6 gases as arc-extinguishing medium.Breaker is general with rated current (load)
Selection, the master switch as electric loop is used.Breaker is exactly a kind of switch, its difference with other regular taps in fact
Mainly exist:1. it is high that voltage class is applicable;2. arc-extinguishing medium and mode, there is vacuum, few oil, heavy wool and sulfur hexafluoride etc.;3. go 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 can be engaged when breaking down with protection device and automatics, and rapid disengagement failure electric current prevents fault spread, so as to protect
Card system safety operation.
In the prior art, breaker is not modular structure, installs inconvenient, and safeguard inconvenience.
The content of the invention
The purpose of the present invention is the defect for overcoming prior art, there is provided a kind of Novel common-box-type breaker, is modularization knot
Structure, improves the integral insulation level of breaker, and connection is reliable, installs simple, not error-prone.
Realizing the technical scheme of above-mentioned purpose is:A kind of Novel common-box-type breaker, including casing and three single-phase open circuits
Device insulation system, three single-phase circuit breaker insulation systems are disposed side by side in the casing evenly and at intervals, described in each
Single-phase circuit breaker insulation system includes insulation sealing shell, rotating slideway, drive shaft, support, seal plug, arc-chutes, stationary contact
Head flange, moving contact flange seat, moving contact, insulated tension pole, current sensor, electrode pull bar, the first high-voltage connection contact and
Two high-voltage connection contacts, wherein:
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 bottom hole and the second high-voltage connection contact of the second bushing jack;
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 set on the support, and is connected with the rotating slideway;
The seal plug closure is in the opening of 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 with the moved end conducting rod of 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 internal face electrical contact of the moving contact flange seat;
The insulated tension pole 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 bar 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 tension pole, current sensor, the first high-voltage connection are touched
Head, the second high-voltage connection contact are respectively by insulating materials sealing in the insulation sealing shell;
The drive shaft of three single-phase circuit breaker insulation systems is coaxially disposed and is connected in turn.
A kind of above-mentioned Novel common-box-type breaker, wherein, the drive shaft mounting groove is located at second bushing
The underface of jack.
A kind of above-mentioned Novel common-box-type breaker, wherein, the bottom land of the drive shaft mounting groove and the moving contact method
Blue seat connection.
A kind of above-mentioned Novel common-box-type breaker, wherein, the insulation sealing of each single-phase circuit breaker insulation system
The bottom of shell is fixed on the base plate of the casing by connecting support member.
A kind of above-mentioned Novel common-box-type breaker, wherein, first sleeve is plugged with the first bushing jack,
And one end of the first sleeve and the first high-voltage connection contact, the other end extends to the outside of the casing;Institute
State and the second sleeve pipe is plugged with the second bushing jack, and one end of second sleeve pipe and the second high-voltage connection contact
Contact, the other end extends to the outside of the casing.
A kind of above-mentioned Novel common-box-type breaker, wherein, between the first sleeve and the first bushing jack with
And it is respectively arranged with cushion between second sleeve pipe and the second bushing jack.
A kind of above-mentioned Novel common-box-type breaker, wherein, the drive shaft of three single-phase circuit breaker insulation systems is adopted
With the drive shaft of same motor.
Novel common-box-type breaker of the invention, compared with prior art, with advantages below:
(1) all components of unidirectional breaker insulation system improve breaker by sealing inside insulating materials
Integral insulation level;
(2) modular integrated structure, connection is reliable, installs simple, not error-prone;
(3) oil-free is without gas, environmental protection, from safeguarding.
Brief description of the drawings
Fig. 1 is the overall structure figure of Novel common-box-type breaker of the invention;
Fig. 2 is the sectional view of Novel common-box-type breaker of the invention.
Specific embodiment
In order that those skilled in the art are better understood when technical scheme, it is right below in conjunction with the accompanying drawings
Its specific embodiment is described in detail:
Refer to Fig. 1 and Fig. 2, highly preferred embodiment of the present invention, a kind of Novel common-box-type breaker, including the He of casing 100
Three single-phase circuit breaker insulation systems 200, three single-phase circuit breaker insulation systems 200 are disposed side by side on casing evenly and at intervals
In 100.
Each single-phase circuit breaker insulation system 200 includes insulation sealing shell 1, rotating slideway 2, drive shaft 3, support 5, close
Block head 4, arc-chutes 10, stationary contact head flange 12, moving contact flange seat 7, moving contact 9, insulated tension pole 11, current sensor 8, electricity
Pole pull bar 6, the first high-voltage connection contact 15 and the second high-voltage connection contact 18.
The He of the first bushing jack 13 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 contacts with the first high-voltage connection contact 15, second is high
The bottom hole of sleeve hub 14 is pressed to be contacted with the second high-voltage connection contact 18;Driving is offered on one side wall of insulation sealing shell 1
Axle mounting groove 19, rotating slideway 2, drive shaft 3 and support 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 bottom land of drive shaft mounting groove 19 is connected with moving contact flange seat 7.Drive shaft
3 are set on support 5, and are connected with rotating slideway 2;Seal plug 4 is blocked in the opening of 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 with the groove
Internal face with moving contact flange seat 7 makes electrical contact with;Insulated tension pole 11 be arranged on 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 bar 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 tension pole 11, current sensor 8,
One high-voltage connection contact 15, the second high-voltage connection contact 18 are respectively by insulating materials sealing in insulation sealing shell 1.
Three drive shafts of single-phase circuit breaker insulation system 200 3 are coaxially disposed and are 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 casing by connecting support member
On 100 base plate.
In each single-phase circuit breaker insulation system 200, first sleeve 20 is plugged with the first bushing jack 13, and the
One end of sleeve 20 contacts with the first high-voltage connection contact 15, and the other end extends to the outside of casing 100;Second bushing
The second sleeve pipe 21 is plugged with 14 jacks, and one end of the second sleeve pipe 21 contacts with the second high-voltage connection contact 18, the other end prolongs
Extend the outside of casing 100.Between the bushing jack 13 of first sleeve 20 and first and the second sleeve pipe 21 and the second high pressure
Cushion is respectively arranged between sleeve hub 14.Two sleeve pipes each act 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 connection of the second high-voltage connection contact 18 moving contact flange seat 7, moving contact 9 by electrode pull bar 6 with
Rotating slideway 2 is connected, and drive shaft 3 can be rotated 2 driving electrodes pull bar of slideway 6 and drag moving contact 9 in moving contact flange seat 7
Interior slip, and moving contact 9 realizes conductive contact by the fingertip spring being embedded in its groove with moving contact flange seat 7.Installing
Current sensor 8 outside moving contact flange seat 7 can be with the current signal in observation circuit.
Novel common-box-type breaker of the invention, three independent single-phase circuit breaker insulation systems 200 are supported by connecting
Positioning arrangement, is allowed to uniform in the internal clearance of casing 100, and symmetrical configuration, position is fixed.Each single-phase circuit breaker insulation system 200
Turnover line electrode respectively by plugging mode connect entrance bushing and outlet casing tube.Same motor driving shaft is extended through in three
In only independent single-phase circuit breaker insulation system 200, drive shaft is rotated slideway, and extraction electrodes pull bar completes vacuum extinction
The breaking operation of indoor contact.
In sum, Novel common-box-type breaker of the invention, is modular construction, improves the integral insulation of breaker
Level, and connection is reliable, installs simple, it is not error-prone.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as being limitation of the invention, as long as in spirit of the invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (7)
1. a kind of Novel common-box-type breaker, it is characterised in that including casing and three single-phase circuit breaker insulation systems, described three
Individual single-phase circuit breaker insulation system is disposed side by side in the casing evenly and at intervals, each described single-phase circuit breaker insulation system
Include insulation sealing shell, rotating slideway, drive shaft, support, seal plug, arc-chutes, stationary contact head flange, moving contact flange
Seat, moving contact, insulated tension pole, current sensor, electrode pull bar, the first high-voltage connection contact and the second high-voltage connection contact, its
In:
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 bottom hole of two bushing jacks and the second high-voltage connection contact;
Drive shaft mounting groove, the rotating slideway, drive shaft and support point are offered on one side wall of the insulation sealing shell
It is not arranged in the drive shaft mounting groove;
The drive shaft is set on the support, and is connected with the rotating slideway;
The seal plug closure is in the opening of 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 with the moved end conducting rod phase of 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 internal face electrical contact of moving contact flange seat;
The insulated tension pole 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 bar 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 tension pole, current sensor, the first high-voltage connection contact,
Second high-voltage connection contact is respectively by insulating materials sealing in the insulation sealing shell;
The drive shaft of three single-phase circuit breaker insulation systems is coaxially disposed and is connected in turn.
2. a kind of Novel common-box-type breaker according to claim 1, it is characterised in that the drive shaft mounting groove is located at
The underface of the second bushing jack.
3. a kind of Novel common-box-type breaker according to claim 1, it is characterised in that the groove of the drive shaft mounting groove
Bottom connects with the moving contact flange seat.
4. a kind of Novel common-box-type breaker according to claim 1, it is characterised in that each described single-phase circuit breaker is exhausted
The bottom of the insulation sealing shell of edge structure is fixed on the base plate of the casing by connecting support member.
5. a kind of Novel common-box-type breaker according to claim 1, it is characterised in that the first bushing jack
First sleeve, and one end of the first sleeve and the first high-voltage connection contact are inside plugged with, the other end is extended to
The outside of the casing;Be plugged with the second sleeve pipe in the second bushing jack, and second sleeve pipe one end and institute
The second high-voltage connection contact is stated, the other end extends to the outside of the casing.
6. a kind of Novel common-box-type breaker according to claim 5, it is characterised in that the first sleeve is high with first
Cushion is respectively arranged between pressure sleeve hub and between second sleeve pipe and the second bushing jack.
7. a kind of Novel common-box-type breaker according to claim 1, it is characterised in that three single-phase circuit breakers are exhausted
The drive shaft of edge structure uses the drive shaft of same motor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201710302484.9A CN106887360B (en) | 2017-04-27 | 2017-04-27 | A kind of common box type breaker |
Publications (2)
Publication Number | Publication Date |
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CN106887360A true CN106887360A (en) | 2017-06-23 |
CN106887360B CN106887360B (en) | 2019-06-14 |
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ID=59183691
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CN201710302484.9A Active CN106887360B (en) | 2017-04-27 | 2017-04-27 | A kind of common box type breaker |
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CN (1) | CN106887360B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111342384A (en) * | 2018-12-19 | 2020-06-26 | Abb瑞士股份有限公司 | Three-phase switching or control device |
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JP2000067713A (en) * | 1998-08-20 | 2000-03-03 | Meidensha Corp | Switching device |
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 |
-
2017
- 2017-04-27 CN CN201710302484.9A patent/CN106887360B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000067713A (en) * | 1998-08-20 | 2000-03-03 | Meidensha Corp | Switching device |
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 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111342384A (en) * | 2018-12-19 | 2020-06-26 | Abb瑞士股份有限公司 | Three-phase switching or control device |
CN111342384B (en) * | 2018-12-19 | 2021-10-29 | Abb瑞士股份有限公司 | Three-phase switching or control device |
Also Published As
Publication number | Publication date |
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CN106887360B (en) | 2019-06-14 |
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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. |