CN107680872A - A kind of vacuum circuit breaker with double breaks - Google Patents
A kind of vacuum circuit breaker with double breaks Download PDFInfo
- Publication number
- CN107680872A CN107680872A CN201710967116.6A CN201710967116A CN107680872A CN 107680872 A CN107680872 A CN 107680872A CN 201710967116 A CN201710967116 A CN 201710967116A CN 107680872 A CN107680872 A CN 107680872A
- Authority
- CN
- China
- Prior art keywords
- knife
- circuit breaker
- isolation
- fracture
- vacuum
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- 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
- H01H33/6606—Terminal arrangements
-
- 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
- H01H2033/66223—Details relating to the sealing of vacuum switch housings
Abstract
The invention discloses a kind of vacuum circuit breaker with double breaks, including：Sealed air chamber (1)；Left side in the sealed air chamber (1) is provided with goat's horn outlet terminal (6), and the isolation knife static contact component (9) that the goat's horn outlet terminal (6) is supported by connecting copper bar (7) with the insulating supporting seat (8) being arranged on above the isolation fracture is mutually conductively connected；Right side in the sealed air chamber (1) is provided with vacuum fracture, and the vacuum fracture is mutually conductively connected by being flexible coupling (12) with being arranged on the isolation knife moving knife (10) being dielectrically separated from main shaft (11) being spatially separating with the isolation knife static contact component (9).Wherein, the isolation knife moving knife (10) forms isolation fracture with the isolation knife static contact component (9).
Description
Technical field
The present invention relates to a kind of high-pressure vacuum breaker, particularly a kind of vacuum circuit breaker with double breaks.
Background technology
With the development of society, people are to the reliability of power supply and the requirement more and more higher of power off time, so as to distribution
The requirement of equipment also more and more higher.In order to improve the reliability of supplying power allocation, strengthen the safety management of power distribution network, national grid is public
Department proposed in 2016 promotes one or two convergence projects of controller switching equipment.In the project, national grid transport inspection department discloses proposition
It is the supporting disconnecting switch of switch or breaker of line sectionalizing and contact point, to match somebody with somebody disconnecting switch should meet electric switching operation
In hot standby requirement.
With the significantly atrophy of on-load switch usage amount, at present at home in market, the application of breaker has been increasingly becoming
Trend.However, the vacuum circuit breaker product of main flow is mostly single-break circuit breaker on Vehicles Collected from Market, its need the integral type of external every
From knife or split-phase type isolation knife.Wherein, integral type isolation knife needs individually operated, also needs increase interlocking to realize and breaker sheet
The five of body are anti-；But split-phase isolation knife needs split-phase operation, therefore can have maloperation and isolate knife risk respectively；It is meanwhile external
The integral type isolation knife or split-phase type isolation knife of formula are affected by the external environment larger, and its contact knife is oxidizable so as to causing contact resistance
The hidden danger such as increase, heating.
The content of the invention
For above-mentioned technical problem, the invention provides the double-fracture vacuum of a kind of built-in isolation knife and vacuum fracture to break
Road device lifts economic benefit and social benefit to realize non-maintaining vacuum circuit breaker.
The invention provides a kind of vacuum circuit breaker with double breaks, including：Sealed air chamber；Left side in the sealed air chamber
Goat's horn outlet terminal is provided with, the goat's horn outlet terminal passes through connecting copper bar and the insulation being arranged on above the isolation fracture
The isolation knife static contact component of support seat supports is mutually conductively connected；Right side in the sealed air chamber is provided with vacuum and broken
Mouthful, the vacuum fracture is dielectrically separated from main shaft by being flexible coupling and being arranged on what the isolation knife static contact component was spatially separating
On isolation knife moving knife be mutually conductively connected.
Preferably, the isolation knife moving knife forms isolation fracture with the isolation knife static contact component.
Preferably, the vacuum fracture is mutually conductively connected or is spatially separating by being flexible coupling with the isolation fracture.
Preferably, in sealed air chamber's interior sealing SF6 gases.
Preferably, by the vacuum interrupter sealing of vacuum fracture in the sealing outlet terminal component.
Preferably, including one kind switchs major loop transmission device, including：Track pad with track, the fixed track
The switch spindle of plate, the insulated tension pole component for being slidably connected to the track pad and it is connected with the insulated tension pole component
Sealing outlet terminal component.
Preferably, the insulated tension pole component from left to right includes：One end is connected with the sealing outlet terminal component
Adjusting rod, the insulated tension pole with chamber being connected with the adjusting rod other end, the excess of stroke spring in the chamber and
For the guide rod for the control for adjusting the excess of stroke spring.
Preferably, the opening of the insulated tension pole chamber has swivel nut, and it is only past in the intracavitary that the swivel nut limits guide rod
Multiple motion.
Preferably, the track tool of the track pad is configured with first position and the driving isolation knife that driving isolation knife is closed a floodgate
The second place of space separating brake, wherein, the track is the curved slit that first position is connected with the second place.
Preferably, the isolation knife static contact component includes：Quiet tool rest, the contact knife on the outside of the quiet tool rest, it is located at
Contact knife pressing plate on the outside of the contact knife, the clamping disc spring for fixing the contact knife and through overall isolation knife static contact component
Axle sleeve.
Beneficial effects of the present invention are：Firstth, by the way that vacuum fracture and isolation fracture are built in into SF6 sealed air chamber
It is interior, a kind of non-maintaining outdoor vacuum circuit breaker with double breaks is realized, outdoor many unfavorable environment can be used to influence.The
2nd, the major loop transmission of the breaker is exported by double-fracture spring operating mechanism, can safely and reliably realize major loop fracture
With isolation fracture serial asynchronous linkage function, maloperation is avoided.3rd, the major loop has been carried out largely for traditional major loop
Simplification, can greatly improve production efficiency.4th, substitute traditional connecting lever to be driven with track pad, realize vacuum fracture
Reliable on/off switch operation.5th, contact knife pressing plate is increased at isolation knife, the structure can lift tolerance current capacity, avoid
Generation melting welding.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, embodiment will be described below
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of an embodiment of the vacuum circuit breaker with double breaks provided in the present invention；
Fig. 2 is the front view of an embodiment of the major loop drive mechanism in Fig. 1；
Fig. 3 is the sectional view of an embodiment of the insulated tension pole component in Fig. 2；
Fig. 4 is the front view of an embodiment of the track pad in Fig. 2；
Fig. 5 is the structural representation of an embodiment of the disconnecting switch in Fig. 1.
Description of reference numerals：
1- sealed air chamber；2- sealing outlet terminal components；3- insulated tension pole components；4- track pads；41- tracks；5- is switched
Main shaft；6- goat's horn outlet terminals；7- connecting copper bars；8- insulating supporting seats；9- isolation knife static contact components；10- isolation knife moving knife；
11- is dielectrically separated from main shaft；12- is flexible coupling；31- adjusting rods；32- insulated tension poles；33- excess of stroke springs；34- swivel nuts；35- guide rods；
The quiet tool rests of 91-；92- contact knifes；93- contact knife pressing plates；94- clamps disc spring；95- axle sleeves.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It is be combined with each other into conflict can.
Fig. 1 show a kind of structural representation of an embodiment of vacuum circuit breaker with double breaks provided by the invention, including：
Sealed air chamber 1；Left side in the sealed air chamber 1 is provided with goat's horn outlet terminal 6, and the goat's horn outlet terminal 6 passes through company
The mutually conduction of isolation knife static contact component 9 for the support of insulating supporting seat 8 for connecing copper bar 7 and being arranged on above the isolation fracture connects
Connect；Right side in the sealed air chamber 1 is provided with vacuum fracture, and the vacuum fracture is by being flexible coupling 12 with being arranged on and institute
The isolation knife moving knife 10 being dielectrically separated from main shaft 11 that isolation knife static contact component 9 is spatially separating is stated mutually to be conductively connected.It is preferred that
Ground, the isolation knife moving knife 10 form isolation fracture with the isolation knife static contact component 9, and the vacuum fracture is isolated with described
Fracture by be flexible coupling 12 be mutually conductively connected to be formed conducting loop or be spatially separating to form open circuit.
In an embodiment of the present invention, in the interior sealing SF6 gases of sealed air chamber 1, by vacuum fracture, isolation fracture with
And other parts are built in SF6 sealed air chamber, its inner body is set to adapt to outdoor many unfavorable conditions (such as rain
Leaching) safety and reliability of controller switching equipment is improved, while realize non-maintaining purpose.
In an embodiment of the present invention, the vacuum interrupter sealing of the vacuum fracture is in the sealing outlet terminal component
In 2.The structure by outlet terminal it is integrated with vacuum interrupter together with, it is thin to solve current outlet terminal mounting portion
The weak, problem such as parts species is more, cost is high and efficiency of assembling is low.
Fig. 2 shows the major loop drive mechanism schematic diagram of one embodiment of the invention, the major loop drive mechanism, including：
Track pad 4 with track, the switch spindle 5 for fixing the track pad 4, the insulation for being slidably connected to the track pad 4
Rod assembly 3 and the sealing outlet terminal component 2 being connected with the insulated tension pole component 3.The major loop drive mechanism application
Vacuum fracture in vacuum circuit breaker with double breaks, it instead of connecting lever of the prior art using track pad and be driven.Track pad 4 is logical
Insulated tension pole component 3 is crossed, vacuum fracture is realized on/off switch.Wherein, track pad 4 is integrated rotatable parts with switch spindle 5, by
Double-fracture spring operating mechanism drives.The breaker transmission exported by double-fracture spring operating mechanism, realize major loop fracture and
Isolation fracture serial asynchronous linkage function so that the breaker operator is simple and direct and can effectively prevent maloperation, improves peace
Full reliability.
Fig. 3 shows the insulated tension pole component structure diagram of one embodiment of the invention, and the insulated tension pole component 3 is from a left side
Include to the right side：Adjusting rod 31, one end of the adjusting rod are connected insulated tension pole with the vacuum interrupter of sealing outlet terminal component 2
32, the insulated tension pole one end is threadably secured with the adjusting rod 31, the other end have the chamber that accommodates excess of stroke spring 33 and
The opening of chamber is provided with the swivel nut 34 for preventing guide rod 35 from skidding off cavity.The guide rod 35 level in cavity according to the excess of stroke of spring
Reciprocating motion realize.Wherein, excess of stroke spring 33 is installed on inside insulated tension pole 32, therefore, is not required to dismantle part with regard to energy in fact
The regulation of the existing excess of stroke, is easy to equipment adjustment.In addition, the quantity of major loop drive mechanism parts of the present invention is 9, with tradition master
36 needed for the drive mechanism of loop are compared, and totally reduce 27.Led back so as to the equipment adjustment time of the structure from tradition
36 minutes of road are reduced to 10 minutes, substantially increase production efficiency.
Preferably, the moved end of guide rod 35 has projection, and the projection is slidably received within the track 41 of the track pad 4
It is interior.The controlling switch main shaft 5 of track pad 4, insulated tension pole component 3 and the movable end of vacuum arc extinguishing chamber sight alignment, with control every
From the folding of knife assembly.
Fig. 4 shows the track pad schematic diagram of one embodiment of the invention, the track that the track pad 4 has, the track
Control the folding of the isolation knife moving knife 10 and the isolation knife static contact component 9.The track can realize switch spindle 5, insulation
Pull bar 3, movable end of vacuum arc extinguishing chamber sight alignment, switch closing position is realized by calculating angle of the switch in first, second position
It is 90 degree to put with the rotational angle of open position.The track pad should ensure that breaking-closing operating normally, in place, meets machinery again
Characterisitic parameter is effectively matched in standard acceptability limit, and with characteristic curve.
Fig. 5 shows the structural representation of the disconnecting switch of one embodiment of the invention, and the isolation knife static contact component 9 wraps
Include：Quiet tool rest 91, the contact knife 92 positioned at the outside of quiet tool rest 91, the contact knife pressing plate 93 positioned at the outside of contact knife 92, it is used for
The clamping disc spring 94 of the fixed contact knife 92 and the axle sleeve 95 through overall isolation knife static contact component 9.The structure is strengthened
The intensity of contact knife 92, and can prevent its deformation.Wherein, after adjusting guarantee combined floodgate by adjusting the decrement of clamping disc spring 94
The clamping force of isolation knife moving knife 10, current capacity is resistant to 20kA/4s to lift isolation knife, avoids that melting welding occurs.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
- A kind of 1. vacuum circuit breaker with double breaks, it is characterised in that including：Sealed air chamber (1)；Left side in the sealed air chamber (1) is provided with goat's horn outlet terminal (6), and the goat's horn outlet terminal (6) passes through company The isolation knife static contact component (9) for insulating supporting seat (8) support for connecing copper bar (7) and being arranged on above isolation fracture is mutually conductive Connection；Right side in the sealed air chamber (1) is provided with vacuum fracture, and the vacuum fracture is by being flexible coupling (12) with setting In isolation knife moving knife (10) the phase mutual conductance being dielectrically separated from main shaft (11) being spatially separating with the isolation knife static contact component (9) Electrical connection.
- 2. vacuum circuit breaker with double breaks according to claim 1, it is characterised in that the isolation knife moving knife (10) with it is described Isolation knife static contact component (9) forms isolation fracture.
- 3. vacuum circuit breaker with double breaks according to claim 2, it is characterised in that the vacuum fracture with it is described isolate it is disconnected Mouthful by be flexible coupling (12) be mutually conductively connected or be spatially separating.
- 4. vacuum circuit breaker with double breaks according to claim 1, it is characterised in that in the sealed air chamber (1) interior sealing SF6 gases.
- 5. vacuum circuit breaker with double breaks according to claim 1, it is characterised in that consolidate the vacuum interrupter of vacuum fracture It is enclosed in sealing outlet terminal component (2).
- 6. vacuum circuit breaker with double breaks according to claim 1, it is characterised in that also include switch major loop transmission dress Put, the switch major loop transmission device includes：Track pad (4) with track (41), the switch of the fixed track pad (4) Main shaft (5), the insulated tension pole component (3) for being slidably connected to the track pad (4) and with the insulated tension pole component (3) The sealing outlet terminal component (2) of connection.
- 7. vacuum circuit breaker with double breaks according to claim 6, it is characterised in that the insulated tension pole component (3) is from a left side Include to the right side：The adjusting rod (31) and the adjusting rod (31) other end that one end is connected with the sealing outlet terminal component (2) The insulated tension pole (32) with chamber, the excess of stroke spring (33) in the chamber and for adjusting the excess of stroke bullet of connection The guide rod (35) of the control of spring (33).
- 8. vacuum circuit breaker with double breaks according to claim 7, it is characterised in that the opening of insulated tension pole (32) chamber Place has swivel nut (34), and swivel nut (34) the limitation guide rod (35) only moves back and forth in the intracavitary.
- 9. vacuum circuit breaker with double breaks according to claim 6, it is characterised in that the track (41) of the track pad (4) Tool is configured with the first position of driving isolation knife combined floodgate and the second place of driving isolation knife space separating brake, wherein, the rail Road is the firm curved slit for closing position and being connected with just point position.
- 10. vacuum circuit breaker with double breaks according to claim 1, it is characterised in that the isolation knife static contact component (9) Including：Quiet tool rest (91), the contact knife (92) on the outside of the quiet tool rest (91), the contact knife pressure on the outside of the contact knife (92) Plate (93), the clamping disc spring (94) for fixing the contact knife (92) and the axle through overall isolation knife static contact component (9) Cover (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967116.6A CN107680872A (en) | 2017-10-17 | 2017-10-17 | A kind of vacuum circuit breaker with double breaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967116.6A CN107680872A (en) | 2017-10-17 | 2017-10-17 | A kind of vacuum circuit breaker with double breaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107680872A true CN107680872A (en) | 2018-02-09 |
Family
ID=61141304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710967116.6A Pending CN107680872A (en) | 2017-10-17 | 2017-10-17 | A kind of vacuum circuit breaker with double breaks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107680872A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637886A (en) * | 2019-01-09 | 2019-04-16 | 珠海许继电气有限公司 | A kind of breaker |
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|---|---|---|---|---|
| CN202394800U (en) * | 2011-12-16 | 2012-08-22 | 江苏大全高压开关有限公司 | Breaker solid-sealed pole |
| CN204189636U (en) * | 2014-10-26 | 2015-03-04 | 江苏华厦电力成套设备有限公司 | The syndeton of a kind of miniaturized circuit breaker and isolation knife |
| CN104752984A (en) * | 2015-03-26 | 2015-07-01 | 深圳市飞越开关设备有限公司 | Environmentally-friendly gas insulated switching cabinet and operation method thereof |
| CN105071280A (en) * | 2015-08-21 | 2015-11-18 | 亚洲电力设备(深圳)股份有限公司 | Vacuum switch ring main unit suitable for being insulated by environment-friendly gas |
| CN106953264A (en) * | 2017-04-05 | 2017-07-14 | 珠海航天科创实业有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN206389060U (en) * | 2016-12-23 | 2017-08-08 | 亚洲电力设备(深圳)股份有限公司 | Environmentally friendly gas-insulated cabinet |
| CN206412295U (en) * | 2016-12-28 | 2017-08-15 | 长园电力技术有限公司 | A kind of circuit breaker switch device |
| CN207441566U (en) * | 2017-10-17 | 2018-06-01 | 珠海许继电气有限公司 | A kind of vacuum circuit breaker with double breaks |
-
2017
- 2017-10-17 CN CN201710967116.6A patent/CN107680872A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202394800U (en) * | 2011-12-16 | 2012-08-22 | 江苏大全高压开关有限公司 | Breaker solid-sealed pole |
| CN204189636U (en) * | 2014-10-26 | 2015-03-04 | 江苏华厦电力成套设备有限公司 | The syndeton of a kind of miniaturized circuit breaker and isolation knife |
| CN104752984A (en) * | 2015-03-26 | 2015-07-01 | 深圳市飞越开关设备有限公司 | Environmentally-friendly gas insulated switching cabinet and operation method thereof |
| CN105071280A (en) * | 2015-08-21 | 2015-11-18 | 亚洲电力设备(深圳)股份有限公司 | Vacuum switch ring main unit suitable for being insulated by environment-friendly gas |
| CN206389060U (en) * | 2016-12-23 | 2017-08-08 | 亚洲电力设备(深圳)股份有限公司 | Environmentally friendly gas-insulated cabinet |
| CN206412295U (en) * | 2016-12-28 | 2017-08-15 | 长园电力技术有限公司 | A kind of circuit breaker switch device |
| CN106953264A (en) * | 2017-04-05 | 2017-07-14 | 珠海航天科创实业有限公司 | A kind of environmentally friendly gas insulation switch cabinet |
| CN207441566U (en) * | 2017-10-17 | 2018-06-01 | 珠海许继电气有限公司 | A kind of vacuum circuit breaker with double breaks |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637886A (en) * | 2019-01-09 | 2019-04-16 | 珠海许继电气有限公司 | A kind of breaker |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |
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| RJ01 | Rejection of invention patent application after publication |