CN103107043B - High voltage out-door disconnector - Google Patents
High voltage out-door disconnector Download PDFInfo
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- CN103107043B CN103107043B CN201110359663.9A CN201110359663A CN103107043B CN 103107043 B CN103107043 B CN 103107043B CN 201110359663 A CN201110359663 A CN 201110359663A CN 103107043 B CN103107043 B CN 103107043B
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- insulation pipe
- inflatable insulation
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- connecting rod
- inflatable
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Abstract
The invention discloses high voltage out-door disconnector, it includes support, static contact unit, moving-contact unit, operating mechanism and transmission component.Described moving contact be slidably connected movable contact block and between closing position and open position slide, described moving contact and static contact match;Described operating mechanism can drive moving contact to slide by transmission component. and it fills the first inflatable insulation pipe and the second inflatable insulation pipe of insulating gas in also including, described first inflatable insulation Guan Erduan is separately installed with binding post, described static contact unit and moving-contact unit are all installed in the first inflatable insulation pipe, and, described fixed contact pedestal and movable contact block are respectively and fixedly connected to two connection terminals;Described transmission component includes that at least one connecting rod, described connecting rod are installed in the second inflatable insulation pipe.It has the advantage that reliability and the service life improving high voltage out-door disconnector, in electric network reconstruction process, it is easy to removable parts parts.
Description
Technical field
The present invention relates to a kind of high voltage out-door disconnector.
Background technology
High voltage out-door disconnector is as the main distribution equipment of power system transformer substation, mainly to power system
Carry out isolating and connecting.Outdoor high-voltage isolating switch mostly is outdoor open type at present, and its moving contact is by rotation
Mode is connected with static contact and realizes closing a floodgate or separating brake.It there are following deficiency: 1, these disconnecting switch are with sky
Gas is dielectric, and the moving contact of disconnecting switch, static contact and conductor are all exposed in natural environment, long-term warp
Polluted by sand and dust, the aoxidizing of the erosion of acid rain and plated surface silver layer, these factors result in High Voltage Outdoor every
Reliability and the life-span of leaving pass decline, and also cause the interruption maintenance that power system is unnecessary;2, in electric network reconstruction
Process, replacing is difficult to.
Summary of the invention
The invention provides a kind of high voltage out-door disconnector, which overcome outdoor open type high-voltage in background technology
Deficiency existing for disconnecting switch.
The present invention solves being the technical scheme is that of its technical problem
High voltage out-door disconnector, it include support (10), static contact unit (12), moving-contact unit (14),
Operating mechanism (16) and transmission component (18);Described static contact unit (12) includes a fixed contact pedestal (20)
With a static contact (22), described static contact (22) is installed in fixed contact pedestal (20);Described moving-contact unit (14)
Including a movable contact block (24) and a moving contact (26), described moving contact (26) is slidably connected movable contact block (24)
And slide between closing position and open position, described moving contact (26) and static contact (22) match;
Described operating mechanism (16) can pass through transmission component (18) and drive moving contact (26) to slide;
It fills the first inflatable insulation pipe (28) and the second inflatable insulation pipe (30), the institute of insulating gas in also including
State the first inflatable insulation pipe (28) two end and be separately installed with binding post (32,34), described static contact unit (12)
All it is installed in the first inflatable insulation pipe (28) with moving-contact unit (14), and, described fixed contact pedestal (20)
It is respectively and fixedly connected to two connection terminals (32,34) with movable contact block (24);Described transmission component (18) include to
A few connecting rod (36,38), described connecting rod (36,38) is installed in the second inflatable insulation pipe (30).
Among one preferred embodiment: described support (10) has supporting surface (40), described operating mechanism (16)
It is installed under supporting surface (40);Described second inflatable insulation pipe (30) is installed on supporting surface (40), institute
State the first inflatable insulation pipe (28) to be installed on the second inflatable insulation pipe (30).
Among one preferred embodiment: described transmission component (18) includes at least two connecting rods (36,38) and is divided into
First connecting rod (36) and second connecting rod (38);Described first connecting rod (36) is installed in the second inflatable insulation pipe (30)
In, and, described first connecting rod (36) one end is in transmission connection operating mechanism (16);Described second connecting rod (38)
It is installed in the first inflatable insulation pipe (30), and, described second connecting rod (38) one end is in transmission connection first even
Bar (36) other end, described second connecting rod (38) other end is in transmission connection moving contact (26).
Among one preferred embodiment: it also includes an insulation column (42) being installed on supporting surface (40);Institute
The binding post (32,34) stating the first inflatable insulation pipe (28) two end is installed in insulation column (42) respectively
With on the second inflatable insulation pipe (30).
Among one preferred embodiment: described binding post (34) is pivoted a V-arrangement connecting lever (44), and described V-arrangement turns
Arm (44) has two and opens arm;Described first connecting rod (36) other end and second connecting rod (38) one end are respectively
Be articulated in V-arrangement connecting lever (44) two open arm.
Among one preferred embodiment: the binding post (34) of described first inflatable insulation pipe (28) is installed in
On two inflatable insulation pipes (30), and, described first inflatable insulation pipe (28) and the second inflatable insulation pipe (30)
Vertically arrange in coaxial up and down;Described second connecting rod (38) one end pivot joint first connecting rod (36) other end.
Among one preferred embodiment:
Described first inflatable insulation pipe (28) number is two;
Said two the first inflatable insulation pipe (28) is all by the binding post of a corresponding moving-contact unit (14)
(34) it is fixed on the second inflatable insulation pipe (30), and, described first inflatable insulation pipe (28) level
Arrange and axially symmetric disposition is in the second vertical inflatable insulation pipe (30) two side;
All it is equiped with the static contact unit (12) matched in said two the first inflatable insulation pipe (28) and moves
Contact unit (14);
Described transmission component (18) includes three connecting rods (36,38) and is divided into a first connecting rod (36) and 2
Two connecting rods (38), described two second connecting rods (38) are respectively installed in 2 first inflatable insulation pipes (30), and,
Described two second connecting rods (38) one end is all in transmission connection first connecting rod (36) other end, described two second connecting rods
(38) other end is in transmission connection two moving contacts (26) respectively.
Among one preferred embodiment: the corresponding moving-contact unit (14) of described 2 first inflatable insulation pipes (28)
Binding post (34) common terminal.
Among one preferred embodiment: described binding post (34) is pivoted two V-arrangement connecting levers (44), and described V-arrangement turns
Arm (44) has two and opens arm;Described first connecting rod (36) other end is articulated in two V-arrangement connecting levers (44)
One opens arm, and described two second connecting rods (38) one end is articulated in another of two V-arrangement connecting levers (44) respectively and opens
Arm.
Among one preferred embodiment: described transmission component (18) includes a connecting lever assembly, described connecting lever assembly bag
Include a Crankarm box (46), connecting lever (48), an outer connecting lever (50), a connecting shaft (52) and a sealing ring in one
(54);Described Crankarm box (46) has the opening inside and outside a cavity and two through cavities, a described open butt joint
Second inflatable insulation pipe (30) lower port, another opening pivot joint connecting shaft (52) described, described sealing ring (54)
It is sealedly connected between another opening and connecting shaft (52);Described connecting shaft (52) has and lays respectively at connecting lever
Internal and external parts inside and outside box (46), the affixed interior connecting lever of described interior part (48), described interior connecting lever (48) connects
Connecting rod (36), the affixed outer connecting lever of described outer portion (50), described outer connecting lever (50) attended operation mechanism (16).
Among one preferred embodiment: the insulating gas filled in described is sulfur hexafluoride gas;It is also equipped with two set prisons
Surveying gas pressure or the table meter of density, they connect described first inflatable insulation pipe (28) and the second inflation respectively
Insulation tube (30).
Among one preferred embodiment: described first inflatable insulation pipe (28) and the second inflatable insulation pipe (30) are adopted
Make with pottery or epoxy glass fabric pipe is made.
The technical program is compared with background technology, and it has the advantage that
Owing to dynamic and static contact unit and connecting rod are in multiple gas insulation tubes of full insulating gas, therefore can produce
Raw following technique effect: a, it is in the encirclement of insulating gas, is avoided that the harmful effect suffering nature environment,
As made contact, fingertip and other electric conductor pollute from dust and sleet erosion, thus improve High Voltage Outdoor isolation
The reliability of switch and service life;B, in electric network reconstruction process, it is easy to removable parts parts, it is easy to old net changes
Make, it is not necessary to the dismounting all parts of disconnecting switch;C, moving contact do tandem fortune under the drive of transmission component
Dynamic combined floodgate and the separating brake realizing high voltage out-door disconnector, isolation fracture is apart from little, and resistance arm is little, reliable transmission,
Divide-shut brake dependable performance;D, high voltage out-door disconnector profile flexible arrangement various, compact overall structure;e、
Use insulating gas as dielectric, relatively have higher insulating properties using air as dielectric and extinguish electricity
The ability of arc.
Accompanying drawing explanation
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the high voltage out-door disconnector of a preferred embodiment.
Fig. 2 is the gate-dividing state figure of the high voltage out-door disconnector of a preferred embodiment.
Fig. 3 is the "on" position figure of the high voltage out-door disconnector of a preferred embodiment.
Fig. 4 is that the transmission crank arm assembly A-A of the high voltage out-door disconnector of a preferred embodiment is to profile.
Fig. 5 is the schematic diagram of the high voltage out-door disconnector of the second preferred embodiment.
Fig. 6 is the schematic diagram of the high voltage out-door disconnector of the 3rd preferred embodiment.
Detailed description of the invention
Refer to Fig. 1, high voltage out-door disconnector, it includes support 10, static contact unit 12, moving contact list
Unit 14, operating mechanism 16, transmission component the 18, first inflatable insulation pipe 28 and the second inflatable insulation pipe 30.Institute
State inflatable insulation pipe to be made up of insulant.Described high voltage out-door disconnector, for open type transformer station, its
Effect is by specified operating current, and plays the function switching on and off loop in power system.
Refer to Fig. 1, Fig. 2 and Fig. 3, described static contact unit 12 includes fixed contact pedestal 20 and a static contact
22, described static contact 22 is installed in fixed contact pedestal 20;Described moving-contact unit 14 includes a movable contact block 24
With a moving contact 26, described moving contact 26 be slidably connected movable contact block 24 and closing position and open position it
Between slide, described moving contact 26 and static contact 22 match to realize closing function and separating brake function;In order to protect
Card contact performance, preferably, at the outer socket spring touch finger 60 respectively of moving contact 26.Described moving contact separating brake,
Movement velocity in making process is less than 1m/s, does not possess connection or the ability of the big electric current of disjunction, has in power-off
Disconnect or connect the function in certain loop under state.
Described static contact unit 12 and moving-contact unit 14 are all installed in the first inflatable insulation pipe 28, and described
Insulating gas, described insulating gas for example, SF6 is filled in one inflatable insulation pipe 28.Described first inflatable insulation pipe
28 2 ends are separately installed with binding post 32,34, and described fixed contact pedestal 20 and movable contact block 24 are respectively and fixedly connected to
Two connect terminal 32,34.
Described support 10 has supporting surface 40.Described operating mechanism 16 is installed in supporting surface 40 times, such as, select
Use motor.Described operating mechanism 16 can drive moving contact 26 to slide by transmission component 18.Among the present embodiment,
Described transmission component 18 includes two connecting rod 36,38 and V-arrangement connecting levers 44.Described two connecting rods 36,38 are divided into
First connecting rod 36 and second connecting rod 38;Described V-arrangement connecting lever 44 is articulated in binding post 34 and has two and open
Arm.Described first connecting rod 36 one end is in transmission connection operating mechanism 16, and the other end is articulated in the one of V-arrangement connecting lever 44
Open arm;Described second connecting rod 38 one end is articulated in another of V-arrangement connecting lever 44 and opens arm, and other end pivot joint is moved
Contact 26.Wherein: described operating mechanism 16 can drive first connecting rod 36 movable, drives V-arrangement connecting lever 44 turns
Dynamic, drive second connecting rod 38 movable, drive the relative movable contact block 24 of moving contact 26 to slide and realize switch closing and switch opening.
Among the present embodiment, described first connecting rod 36 is installed in the second inflatable insulation pipe 30, and, can part
Stretch out pivot joint V-arrangement connecting lever 44, insulation gas filled in described second inflatable insulation pipe 30, such as SF6.Described
Second connecting rod 38 is installed in the first inflatable insulation pipe 30, and, part stretches out pivot joint V-arrangement connecting lever 44.
Among the present embodiment, described second inflatable insulation pipe 30 is installed on the supporting surface 40 of support 10.
Among the present embodiment, preferably, the most fixed insulation column 42 on the supporting surface 40 of described support 10.Described
The binding post 32,34 of the first inflatable insulation pipe 28 2 end is respectively and fixedly connected to insulation column 42 and the second inflation is exhausted
On edge pipe 30, and making the first inflatable insulation pipe 28 horizontally disposed, the second inflatable insulation pipe 30 is vertically arranged.
As required, envelope is formed between described binding post the 34, first inflatable insulation pipe 28 and the second inflatable insulation pipe 30
Close cavity so that V-arrangement connecting lever, extension grade and be respectively positioned in closed cavity, the most insulation gas filled in cavity,
It is easy to parts dismounting, it is simple to update.
Refer to Fig. 4, preferably, among the present embodiment, described transmission component 18 includes a connecting lever assembly 62, institute
State connecting lever assembly and include connecting lever 48, outer connecting lever 50, connecting shaft 52 and a lip type in a Crankarm box 46,
Sealing ring 54;Described Crankarm box 46 is installed in supporting surface 40 times and has inside and outside a cavity and two through cavities
Opening, described open butt joint the second inflatable insulation pipe 30 lower port, another opening pivot joint connecting shaft 52 described,
Described sealing ring 54 is sealedly connected between another opening and connecting shaft 52;Described connecting shaft 52 has position respectively
Internal and external parts inside and outside Crankarm box 46, the affixed interior connecting lever 48 of described interior part, described interior connecting lever 48 pivot joint
One connecting rod 36, the affixed outer connecting lever 50 of described outer portion, the pivot joint of described outer connecting lever 50 connects the power of operating mechanism 16
Outfan.Wherein: described operating mechanism 16 drives outer connecting lever 50 to rotate, and drives interior connecting lever by connecting shaft 52
48 rotate, and drive first connecting rod 36 movable.Among the present embodiment, this connecting lever assembly can coordinate inflatable insulation pipe
Realizing insulating gas insulation, insulation effect is good, and unfailing performance is strong;Lip-shaped sealed ring is selected among the present embodiment,
Can effectively prevent insulating gas from leaking.
Preferably, another opening part at Crankarm box 46 sets reaming, described connecting shaft 52 and the reaming of Crankarm box 46
Place sets bearing 56, separately sets dust cap 58 lid and is connected on reaming, then can be dust-proof, and anti-gas-leak reduces frictional force.
Preferably, described first inflatable insulation pipe 28 and the second inflatable insulation pipe 30 use pottery to make or epoxy glass
The organic insulations such as glass stringing are made.
Preferably, described in the insulating gas that fills be sulfur hexafluoride gas, the most also can fill other insulating gas.?
Good, it is also equipped with at least two set monitoring gas pressure or the table meters of density, they connect described first inflation absolutely respectively
Edge pipe 28 and the second inflatable insulation pipe 30.Separately set the alarm device of connection table meter, for occurring at insulating gas
Leakage makes gas pressure send the signal of telecommunication of warning when reducing, it is ensured that electrical property.
Refer to Fig. 5, it depicts the second preferred embodiment, and it is with a upper preferred embodiment difference:
The binding post 34 of described first inflatable insulation pipe 28 is installed on the second inflatable insulation pipe 30, and, described
One inflatable insulation pipe 28 and the second inflatable insulation pipe 30 are vertically arranged in coaxial up and down;Described second connecting rod 38
The direct pivot joint in one end first connecting rod 36 other end.
Refer to Fig. 6, it depicts the 3rd preferred embodiment, and it is with the first preferred embodiment difference:
Described first inflatable insulation pipe 28 number is two;All install in said two the first inflatable insulation pipe 28
There is the static contact unit 12 and moving-contact unit 14 matched.
Said two the first inflatable insulation pipe 28 all binding posts 34 by a corresponding moving-contact unit 14 are affixed
On the second inflatable insulation pipe 30, and, described first inflatable insulation pipe 28 is horizontally disposed with and axially symmetric cloth
Put in the second vertical inflatable insulation pipe 30 2 side.
Described binding post 34 is pivoted disymmetrical V-arrangement connecting lever 44, and described V-arrangement connecting lever 44 has two and opens arm.
Described transmission component 18 includes three connecting rods 36,38 and is divided into first connecting rod 36 and two second connecting rods 38, and,
Described two second connecting rods 38 are respectively installed in 2 first inflatable insulation pipes 30.
Described first connecting rod 36 other end is articulated in the one of two V-arrangement connecting levers 44 and opens arm, described two second connecting rods
38 one end are articulated in another of two V-arrangement connecting levers 44 respectively and open arm, and described two second connecting rod 38 other ends are respectively
Be in transmission connection two moving contacts 26.
Preferably, the public end of binding post 34 of the corresponding moving-contact unit 14 of described 2 first inflatable insulation pipes 28
Son.
The above, only present pre-ferred embodiments, therefore the scope that the present invention implements can not be limited according to this,
The equivalence change i.e. made according to the scope of the claims of the present invention and description and modification, all should still belong to the present invention and contain
In the range of.
Claims (4)
1. a high voltage out-door disconnector, it includes support (10), static contact unit (12), moving contact list
Unit (14), operating mechanism (16) and transmission component (18);Described static contact unit (12) includes a static contact
Seat (20) and a static contact (22), described static contact (22) is fixedly arranged on fixed contact pedestal (20);Described moving contact
Unit (14) includes a movable contact block (24) and a moving contact (26), and described moving contact (26) is slidably connected dynamic
Contact base (24) and between closing position and open position slide, described moving contact (26) and static contact
(22) match;Described operating mechanism (16) can pass through transmission component (18) and drive moving contact (26) to slide;
It is characterized in that: it fills the first inflatable insulation pipe (28) and the second inflatable insulation of insulating gas in also including
Pipe (30), described first inflatable insulation pipe (28) two ends are separately installed with the first binding post (32) and second
Binding post (34), it is exhausted that described static contact unit (12) and moving-contact unit (14) are all installed in the first inflation
In edge pipe (28), described fixed contact pedestal (20) and movable contact block (24) are respectively and fixedly connected with in the first binding post
(32) and the second binding post (34);Described transmission component (18) includes first connecting rod (36) and second connecting rod
(38);Described first connecting rod (36) is installed in the second inflatable insulation pipe (30), described first connecting rod (36)
One end is in transmission connection operating mechanism (16);Described second connecting rod (38) is installed in the first inflatable insulation pipe (28)
In;Second binding post (34) of described first inflatable insulation pipe (28) is installed in the second inflatable insulation pipe (30)
On, and, described first inflatable insulation pipe (28) and the second inflatable insulation pipe (30) are in coaxial vertically cloth up and down
Put;Described second connecting rod (38) one end pivot joint first connecting rod (36) other end;Described second connecting rod (38) is another
One end is in transmission connection moving contact (26);
Described first inflatable insulation pipe (28) and the second inflatable insulation pipe (30) use pottery to make or epoxy
Glass cloth pipe is made.
High voltage out-door disconnector the most according to claim 1, it is characterised in that: described support (10)
Having supporting surface (40), described operating mechanism (16) is installed under supporting surface (40);Described second inflation is absolutely
Edge pipe (30) is installed on supporting surface (40), and described first inflatable insulation pipe (28) is installed in the second inflation
On insulation tube (30).
High voltage out-door disconnector the most according to claim 1, it is characterised in that: described transmission
Assembly (18) includes
One connecting lever assembly, described connecting lever assembly includes a Crankarm box (46), connecting lever (48), an outer connecting lever in one
(50) a, connecting shaft (52) and a sealing ring (54);Described Crankarm box (46) has a cavity and two to be run through
Opening inside and outside cavity, open butt joint the second inflatable insulation pipe (30) lower port described in, open described in another
Mouthful pivot joint connecting shaft (52), described sealing ring (54) be sealedly connected on another opening and connecting shaft (52) it
Between;Described connecting shaft (52) has the internal and external parts laid respectively at inside and outside Crankarm box (46), described interior part
Affixed interior connecting lever (48), described interior connecting lever (48) connects first connecting rod (36), turns outside described outer portion is affixed
Arm (50), described outer connecting lever (50) attended operation mechanism (16).
High voltage out-door disconnector the most according to claim 1, it is characterised in that: fill in described
Insulating gas be sulfur hexafluoride gas;It is also equipped with two set monitoring gas pressure or the table meters of density, it
Connect described first inflatable insulation pipe (28) and the second inflatable insulation pipe (30) respectively.
Priority Applications (1)
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CN201110359663.9A CN103107043B (en) | 2011-11-11 | 2011-11-11 | High voltage out-door disconnector |
Applications Claiming Priority (1)
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CN201110359663.9A CN103107043B (en) | 2011-11-11 | 2011-11-11 | High voltage out-door disconnector |
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CN103107043A CN103107043A (en) | 2013-05-15 |
CN103107043B true CN103107043B (en) | 2016-10-26 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6236240B2 (en) * | 2013-07-23 | 2017-11-22 | 株式会社東芝 | Gas circuit breaker |
CN109036941B (en) * | 2018-06-25 | 2021-09-17 | 平高集团有限公司 | Keep apart fracture structure |
CA3140012A1 (en) * | 2020-11-20 | 2022-05-20 | Technologies Mindcore Inc. | Gas circuit breaker system and method thereof |
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CN1340233A (en) * | 1999-01-28 | 2002-03-13 | 西门子公司 | Multiphase encapsulated high-voltage switchgear for outdoor use |
CN101145677A (en) * | 2007-08-06 | 2008-03-19 | 云南开关厂 | Special gas insulation combined appliance for electric railroad |
CN101393814A (en) * | 2008-11-06 | 2009-03-25 | 瓦房店高压开关有限公司 | 72.5kV indoor type high-voltage SF6 circuit breaker |
CN202307665U (en) * | 2011-11-11 | 2012-07-04 | 厦门华电开关有限公司 | High voltage outdoor isolating switch |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4521110B2 (en) * | 2000-11-08 | 2010-08-11 | 株式会社東芝 | Combined gas insulated switchgear |
CN201584353U (en) * | 2009-10-27 | 2010-09-15 | 中国西电电气股份有限公司 | Transmission mechanism for outdoor high-voltage AC porcelain column SF6 circuit breaker |
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2011
- 2011-11-11 CN CN201110359663.9A patent/CN103107043B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1340233A (en) * | 1999-01-28 | 2002-03-13 | 西门子公司 | Multiphase encapsulated high-voltage switchgear for outdoor use |
CN101145677A (en) * | 2007-08-06 | 2008-03-19 | 云南开关厂 | Special gas insulation combined appliance for electric railroad |
CN101393814A (en) * | 2008-11-06 | 2009-03-25 | 瓦房店高压开关有限公司 | 72.5kV indoor type high-voltage SF6 circuit breaker |
CN202307665U (en) * | 2011-11-11 | 2012-07-04 | 厦门华电开关有限公司 | High voltage outdoor isolating switch |
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