CN109637888A - A kind of environmental-protective gas-insulating killer switch - Google Patents
A kind of environmental-protective gas-insulating killer switch Download PDFInfo
- Publication number
- CN109637888A CN109637888A CN201811543760.1A CN201811543760A CN109637888A CN 109637888 A CN109637888 A CN 109637888A CN 201811543760 A CN201811543760 A CN 201811543760A CN 109637888 A CN109637888 A CN 109637888A
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- CN
- China
- Prior art keywords
- isolation
- contact
- insulating
- transmission axis
- environmental
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- 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
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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
- H01H33/60—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
- H01H33/666—Operating 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of environmental-protective gas-insulating killer switches, including three-station isolating grounding switch and vacuum circuit breaker, wherein three-station isolating grounding switch includes isolation fixed frame, isolation static contact, isolation moving contact, isolating and protecting cover, grounding contact and integral type insulated transmission axis, isolation moving contact is mounted on integral type insulated transmission axis, isolation static contact is mounted on the upper end of isolation fixed frame by fixing seat, grounding contact is mounted on the lower end of isolation fixed frame, and integral type insulated transmission axis is mounted on isolation fixed frame and is located at below fixing seat；The moving conductive rod of vacuum interrupter is integrally connected formula insulated transmission axis by shaped piece.The present invention has the characteristics that compact-sized, reliable for operation, long service life, maintenance-free；The wholly recyclable thermoplastic material utilized is added using restorability and self-healing property environmental-protective gas-insulating, no pollution will not cause insulation performance to drastically reduce and fail, securely and reliably because of gas leakage.
Description
Technical field
The present invention relates to high-voltage switch cabinet breaker switching technique fields, more particularly to one kind to adopt for ac distribution network
Environmental-protective gas-insulating killer switch.
Background technique
The gas-filling cabinet of 12kV uses SF6 gas-insulated more currently on the market, and SF6 gas has excellent arc extinguishing and insulating properties
Can, it is particularly suitable for senior middle school's voltage switching station, but SF6 gas has potential danger to greenhouse effects.In order to protect environment
Global warming is prevented, Medium Voltage Switchgear develops towards few with or without SF6 gas direction.Therefore, dry air or nitrogen are selected
Etc. arc extinguishing and insulating gas of the environment-friendly types gas as inflating switch cabinet, the non-same common music of influence meaning to environment.Select drying
The environmental-protective gas-insulatings such as air or nitrogen, later period gas treatment will not generate any influence to environment, be truly realized green
The power equipment developing goal of environmental protection.
Therefore, the mode combined by Technology design, experimental study, process for machining and manufacturing selects reasonable insulation to be situated between
Matter, by improving and controlling electric field strength, research and development are had excellent performance, and the environmental-protective gas-insulating killer switch of safety and environmental protection becomes
An emphasis and trend for Medium voltage switch or circuit breaker development.
Summary of the invention
The purpose of the present invention is to provide a kind of safety and environmental protection, reliable performance, compact-sized, long service life, all the life exempt from
Maintenance, the exhausted killer switch of environment-friendly type gas used in environment-friendly type gas in the prior art can not be really real to overcome
The environmentally protective demand for development of existing switchgear.
To achieve the above object, technical scheme is as follows:
A kind of environmental-protective gas-insulating killer switch, including three-station isolating grounding switch and vacuum circuit breaker, three work
Position isolation earthing switch includes isolation fixed frame, isolation static contact, isolation moving contact, grounding contact and integral type insulated transmission
Axis, the isolation static contact are mounted on the upper end of isolation fixed frame by fixing seat, and grounding contact is mounted on isolation fixed frame
The lower end of frame, the integral type insulated transmission axis are mounted on isolation fixed frame and are located at below fixing seat, and moving contact is isolated
Be mounted on integral type insulated transmission axis, move so that isolation moving contact be isolated static contact or grounding contact be in contact close a floodgate or
Mutually separation tripping；The vacuum circuit breaker includes that vacuum interrupter, movable end of arc extinguishing chamber divide-shut brake transmission component, movable end of arc extinguishing chamber are exhausted
The moving conductive rod of edge transmission shaft, the vacuum interrupter is integrally connected formula insulated transmission axis, movable end of arc extinguishing chamber point by shaped piece
Combined floodgate transmission component passes through movable end of arc extinguishing chamber insulated transmission axis connection vacuum interrupter.
In above scheme, isolating and protecting cover, the isolating and protecting are set between the every phase of three-station isolating grounding switch
Cover is mounted in fixing seat and is located on integral type insulated transmission axis, for guaranteeing that isolation moving contact is any during the work time
Position is alternate independently to be separated.
In above scheme, isolation spring grading shield is set on the touch spring of the isolation moving contact.
In above scheme, vacuum circuit breaker two sides inner wall is equipped with arc-chutes insulation fixing plate.
In above scheme, the vacuum interrupter is three-phase vacuum interrupter, is set between vacuum interrupter described in every two-phase
There is overlapped phase partition.
In above scheme, the movable end of vacuum arc extinguishing chamber insulated transmission axis is on the outer surface between every phase vacuum extinction device
It is fixedly installed with isolation full skirt.
In above scheme, the integral type insulated transmission axis and arc-chutes insulation fixing plate are all made of recyclable polymer plastic
Material material is made.
Environmental-protective gas-insulating killer switch of the invention, have it is compact-sized, have excellent performance, be reliable for operation, use
The characteristics of service life length, maintenance-free；Using with restorability and self-healing property environmental-protective gas-insulating, environment will not be caused
Pollution, will not cause insulation performance to drastically reduce and fail, securely and reliably because of gas leakage；All components materials use
Recoverable and green material to environment without any pollution are realized green and pollution-free.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that environment-friendly type gas insulation breaker switchs in one embodiment of the invention；
Fig. 2 is the structural schematic diagram of three-station isolating grounding switch in one embodiment of the invention；
Description of symbols: 1, be isolated static contact, 2, fixing seat, 3, isolating and protecting cover, 4, isolation moving contact, 5, isolation spring press
Cover, 6, integral type insulated transmission axis, 7, isolation fixed frame, 8, grounding contact；9, arc-chutes insulation fixing plate, 10, vacuum goes out
Arc chamber, 11, movable end of arc extinguishing chamber divide-shut brake transmission component, 12, movable end of arc extinguishing chamber insulated transmission axis.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and examples.
1. such as Fig. 1, a kind of environmental-protective gas-insulating killer switch of the invention, including three-station isolating grounding switch and
Vacuum circuit breaker.Wherein, three-station isolating grounding switch include isolation fixed frame 7, isolation static contact 1, isolation moving contact 4,
Isolating and protecting cover 3, grounding contact 8 and integral type insulated transmission axis 6, isolation static contact 1 are mounted on isolation by fixing seat 2 and fix
The upper end of frame 7, integral type insulated transmission axis 6 are mounted on isolation fixed frame 7 and are located at 2 lower section of fixing seat, grounding contact 8
It is mounted on the lower end of isolation fixed frame 7, isolation moving contact 4 is mounted on integral type insulated transmission axis 6, is moved so that isolation is quiet
Contact 1 and isolation moving contact 4, which are in contact, "on" position or mutually separates trip status.It is isolated on the touch spring of moving contact 4 and is set with
There is isolation spring grading shield 5, keeps electric field more uniform, insulation performance is more preferable.Between the every phase of three-station isolating grounding switch setting every
From shield 3, isolating and protecting cover 3 is mounted in fixing seat 2 and overlapped with the alternate baffle part in fixing seat 2, isolation
Shield 3 is located on integral type insulated transmission axis 6, and for guaranteeing isolation moving contact 4, any position is alternate during the work time
It independently separates, guarantees insulation performance, prevents phase-to phase fault.
It is fixed in fixing seat 2 by the way that static contact 1 will be isolated and is mounted on isolation fixed frame 7, isolation moving contact 4 is pacified
In integral type insulated transmission axis 6, grounding contact 8 is fixed on isolation fixed frame 7, by the way that fixed frame 7 is isolated by three
Station isolation earthing mechanism is assembled into an entirety.Three-station isolating grounding switch is arranged using three stations of upper isolation, is located at disconnected
Road device top has work, isolation and is grounded three kinds using position, pass through integral type insulated transmission axis 6 and drive close to bus bar side
The division conversion of three kinds of different locations is realized in the rotation that moving contact 4 is isolated.Meanwhile integral type insulated transmission axis 6, using recyclable
High molecule plastic material is made, insulation performance and mechanical performance is excellent, compact-sized, no pollution, safety and environmental protection.
In one embodiment, vacuum circuit breaker includes vacuum interrupter 10, movable end of arc extinguishing chamber divide-shut brake transmission component 11, goes out
The moving conductive rod of arc chamber moved end insulated transmission axis 12, vacuum interrupter 10 is integrally connected formula insulated transmission axis 6 by shaped piece, goes out
Arc chamber moved end divide-shut brake transmission component 11 connects vacuum interrupter 10 by movable end of arc extinguishing chamber insulated transmission axis 12.
In one embodiment, vacuum circuit breaker two sides inner wall is equipped with arc-chutes insulation fixing plate 9, and arc-chutes insulation is fixed
There is plate 9 the recyclable high molecule plastic material of high mechanical strength and high insulating property to be made, and can meet high-insulativity requirement
Mechanical strength and service life can be met again, meanwhile, by overlapping each other separately between three-phase vacuum extinction device every two
Plate separates, and prevents phase-to phase fault.
In one embodiment, movable end of arc extinguishing chamber insulated transmission axis 12, which is equipped with to increase between every phase vacuum extinction device 10, climbs electricity
Distance and the isolation full skirt for preventing phase-to phase fault, isolation full skirt are fixedly mounted on the outer surface of movable end of arc extinguishing chamber insulated transmission axis 12
On.
When vacuum circuit breaker operation, movable end of arc extinguishing chamber insulated transmission axis 12 under circuit breaker operation mechanism effect, go out by drive
Arc chamber moved end divide-shut brake transmission component 11 makes integral type insulate when vacuum circuit breaker moving conductive rod is moved upwards by connecting lever
Transmission shaft 6 moves upwards, isolation moving contact 4 with static contact 1 be isolated be in contact closure, realization combined floodgate；It is led when vacuum circuit breaker is dynamic
When electric pole moves downward, isolation moving contact 4 is separated with isolation 1 phase of static contact, realizes separating brake.Three-station isolating grounding switch is by breaking
Road device operating mechanism drives integral type insulated transmission axis 6, so that isolation moving contact 4 be driven to rotate together, realizes three kinds of different positions
The divide-shut brake conversion set.
The present invention is used with restorability and self-healing property environment-friendly type gas as dielectric, will not cause dirt to environment
Dye will not leak because of gas and insulation performance is caused to drastically reduce and fail, reliable performance, safety and environmental protection.Meanwhile using zero
The material that component uses all is recoverable and the green material to environment without any pollution, production, using,
Any pollution is not generated in post-processing whole life cycle, is really realized green and pollution-free.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that the foregoing is merely a specific embodiment of the invention, the guarantor that is not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all be contained in this hair
Within bright protection scope.
Claims (7)
1. a kind of environmental-protective gas-insulating killer switch, including three-station isolating grounding switch and vacuum circuit breaker, feature
Be: the three-station isolating grounding switch includes isolation fixed frame (7), isolation static contact (1), isolation moving contact (4), connects
Ground contact (8) and integral type insulated transmission axis (6), the isolation static contact (1) are mounted on isolation fixed frame by fixing seat (2)
The upper end of frame (7), grounding contact (8) are mounted on the lower end of isolation fixed frame (7), integral type insulated transmission axis (6) peace
In isolation fixed frame (7) and it is located at below fixing seat (2), isolation moving contact (4) is mounted on integral type insulated transmission axis
(6) it on, moves and is taken off so as to which moving contact (4) are isolated and are in contact to close a floodgate or mutually separate with isolation static contact (1) or grounding contact (8)
Button；The vacuum circuit breaker includes that vacuum interrupter (10), movable end of arc extinguishing chamber divide-shut brake transmission component (11), movable end of arc extinguishing chamber are exhausted
The moving conductive rod of edge transmission shaft (12), the vacuum interrupter (10) is integrally connected formula insulated transmission axis (6) by shaped piece, goes out
Arc chamber moved end divide-shut brake transmission component (11) passes through movable end of arc extinguishing chamber insulated transmission axis (12) connection vacuum interrupter (10).
2. environmental-protective gas-insulating killer switch according to claim 1, it is characterised in that: the three stations isolation connects
Ground, which switchs, is arranged isolating and protecting cover (3) between every phase, and the isolating and protecting cover (3) is mounted on fixing seat (2) and is located at one
On body formula insulated transmission axis (6), moving contact (4) any position is alternate during the work time for guaranteeing isolation is independently separated.
3. environmental-protective gas-insulating killer switch according to claim 1, it is characterised in that: the isolation moving contact
(4) isolation spring grading shield (5) is set on touch spring.
4. environmental-protective gas-insulating killer switch according to claim 1, it is characterised in that: the vacuum circuit breaker two
Side inner wall is equipped with arc-chutes insulation fixing plate (9).
5. environmental-protective gas-insulating killer switch according to claim 1, it is characterised in that: the vacuum interrupter
(10) it is three-phase vacuum interrupter, is equipped with overlapped phase partition between vacuum interrupter (10) described in every two-phase.
6. environmental-protective gas-insulating killer switch according to claim 5, it is characterised in that: the movable end of arc extinguishing chamber is exhausted
Edge transmission shaft (12) is fixedly installed with isolation full skirt on the outer surface between every phase vacuum extinction device (10).
7. environmental-protective gas-insulating killer switch according to claim 6, it is characterised in that: the integral type insulation passes
Moving axis (6) and arc-chutes insulation fixing plate (9) are all made of recyclable high molecule plastic material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543760.1A CN109637888A (en) | 2018-12-17 | 2018-12-17 | A kind of environmental-protective gas-insulating killer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543760.1A CN109637888A (en) | 2018-12-17 | 2018-12-17 | A kind of environmental-protective gas-insulating killer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109637888A true CN109637888A (en) | 2019-04-16 |
Family
ID=66074575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543760.1A Pending CN109637888A (en) | 2018-12-17 | 2018-12-17 | A kind of environmental-protective gas-insulating killer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637888A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112382526A (en) * | 2020-10-22 | 2021-02-19 | 北京龙源开关设备有限责任公司 | Three station isolator integration circuit breakers on environment-friendly |
| EP3843117A1 (en) * | 2019-12-24 | 2021-06-30 | Elna Kabel d.o.o. | Load-break switch without sf6 gas having a vacuum circuit interrupter for medium-voltage switching systems |
| CN114389194A (en) * | 2022-01-20 | 2022-04-22 | 浙江绿丰电气有限公司 | Environment-friendly sealed air insulation ring main unit |
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| CN203260901U (en) * | 2013-04-27 | 2013-10-30 | 石家庄科林电气设备有限公司 | Main insulation cylinder of solid insulation ring main unit |
| CN103839727A (en) * | 2014-03-28 | 2014-06-04 | 杨明 | Solid insulation full-sealed three-position disconnecting switch |
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| CN106992461A (en) * | 2017-06-06 | 2017-07-28 | 北京合纵科技股份有限公司 | A kind of environment-friendly type Switch main body |
| CN108512108A (en) * | 2018-06-07 | 2018-09-07 | 尹铁军 | It is a kind of to substitute the gas isolated metal enclosed switchgears of SF6 with air |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203260901U (en) * | 2013-04-27 | 2013-10-30 | 石家庄科林电气设备有限公司 | Main insulation cylinder of solid insulation ring main unit |
| CN104092142A (en) * | 2013-04-27 | 2014-10-08 | 石家庄科林电气设备有限公司 | Solid insulation ring network cabinet with visual windows on two sides |
| CN103839727A (en) * | 2014-03-28 | 2014-06-04 | 杨明 | Solid insulation full-sealed three-position disconnecting switch |
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| CN108512108A (en) * | 2018-06-07 | 2018-09-07 | 尹铁军 | It is a kind of to substitute the gas isolated metal enclosed switchgears of SF6 with air |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3843117A1 (en) * | 2019-12-24 | 2021-06-30 | Elna Kabel d.o.o. | Load-break switch without sf6 gas having a vacuum circuit interrupter for medium-voltage switching systems |
| CN112382526A (en) * | 2020-10-22 | 2021-02-19 | 北京龙源开关设备有限责任公司 | Three station isolator integration circuit breakers on environment-friendly |
| CN112382526B (en) * | 2020-10-22 | 2024-06-07 | 北京龙源开关设备有限责任公司 | Environment-friendly three-station upper isolating switch integrated circuit breaker |
| CN114389194A (en) * | 2022-01-20 | 2022-04-22 | 浙江绿丰电气有限公司 | Environment-friendly sealed air insulation ring main unit |
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Application publication date: 20190416 |