CN103681077A - Multi-section pneumatic disconnecting switch - Google Patents
Multi-section pneumatic disconnecting switch Download PDFInfo
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- CN103681077A CN103681077A CN201310684268.7A CN201310684268A CN103681077A CN 103681077 A CN103681077 A CN 103681077A CN 201310684268 A CN201310684268 A CN 201310684268A CN 103681077 A CN103681077 A CN 103681077A
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Abstract
The invention relates to a multi-section pneumatic disconnecting switch. The multi-section pneumatic disconnecting switch comprises a support shaped like a Chinese character 'mi', a lower flange, a top flange, a bus, a static contact, a moving contact, a flexible connector, an air cylinder and pressure equalizing covers, wherein the lower flange, the top flange, the bus and the static contact are fixed to the support shaped like the Chinese character 'mi', the moving contact and the static contact are connected or disconnected, the pressure equalizing covers are buckled above the static contact and the moving contact. The air cylinder is a multi-section air cylinder, the bus is connected with the flexible connector, the other end of the flexible connector is connected with the moving contact, the flexible connector is fixed to limiting rings and nodes of the air cylinder section by section, the portion, on the periphery of the air cylinder, of the flexible connector drives the flexible connector to rise when the switch is switched on and is arranged at the lower portion of the moving contact section by section in a folded mode when the switch is switched off, and the pressure equalizing covers are buckled above the moving contact and the static contact respectively. The switch further comprises a mechanical control valve for leading out a switch-on signal and a switch-off signal of the switch. The multi-section pneumatic disconnecting switch can remarkably improve the insulation level of the disconnecting switch and solve the problems that the switch is not switched on in place and whether switch-on and switch-off are conducted in place or not can not be effectively judged when an existing disconnecting switch is remotely operated in a control room, and has the advantage of being high in arc resistance.
Description
Technical field
The invention belongs to electrical equipment technical field, be specifically related to a kind of more piece Pneumatic isolating switch.
Background technology
During reactor operation, can produce very strong magnetic field, and instantaneous voltage is very high, therefore the isolation switch device in reactor product is had to its specific (special) requirements, Distribution Principle due to the magnetic line of force, its position of center line magnetic strength is minimum, therefore switch must be contained in the center position of reactor, but the current isolating switch for reactor, when reactor circuit moves, owing to having used air motor to deliver conductor, and will be with insulated tube as guiding, all the time there is an organic insulator in the fracture of isolating switch, the electric property of this insulator can not show a candle to air as the good electric property of medium, and the remote operation in control room of current isolating switch cannot effectively judge separating brake, close a floodgate and whether put in place, therefore it is necessary designing a kind of isolating switch with high resistance electric arc ability and the observation of energy Long-distance Control.
Summary of the invention
The object of the invention is to the weak point existing for prior art, a kind of more piece Pneumatic isolating switch is provided, can significantly improve isolation switch insulation level and solve the problem that the not in place and current isolating switch remote operation in control room of closing a floodgate cannot effectively judge whether separating brake, combined floodgate put in place, this more piece Pneumatic isolating switch has advantages of that arc resistant ability is strong.
The present invention realizes like this, more piece Pneumatic isolating switch, its special character is, comprises a meter subrack, is fixed on lower flange, top flange in meter subrack, bus, fixed contact, carries out the moving contact of separating brake or combined floodgate with fixed contact, and what one end and bus joined is flexible coupling, cylinder, button is located at the grading shield of fixed contact and moving contact top; Described cylinder is more piece cylinder, and in more piece cylinder, arbitrary joint cylinder comprises a piston rod and a spacing joint, on the piston rod of cylinder, spacing ring is housed, and goes up most in a displacements of cylinders upper flange is set, fixing moving contact on upper flange; The bottom of cylinder arranges lower flange, and described bus is fixed on lower flange; Bus joins with being flexible coupling, and the other end being flexible coupling is connected with moving contact, is flexible coupling and is fixed on every joint spacing ring and node of cylinder by section; Described fixed contact is fixed on the flange of top, fixed contact and moving contact be straight line be arranged at moving contact directly over;
Described switch also comprises for drawing switch and dividing, the machine control valve of switching signal, machine control valve comprises the combined floodgate machine control valve that is installed on minute gate control valve on first segment cylinder node and is arranged at fixed contact top, on minute gate control valve and combined floodgate machine control valve, gas tube orifice is all set; On second section cylinder node, be provided with and when more piece cylinder bounces back, can touch a minute compressing tablet for gate control valve; Compress Spring is connected and controls afterwards at combined floodgate the conducting of combined floodgate machine control valve touching connecting rod with Compress Spring is set in fixed contact.
Further, described grading shield is detained respectively and is located on moving contact and fixed contact, and the middle part of grading shield is provided for the opening of moving contact turnover; Button is located in the grading shield on moving contact and is arranged and the gag lever post of butterfly spring is housed and is fixedly connected with upper flange by gag lever post.
Further, being flexible coupling of described cylinder periphery drives the rising that is flexible coupling when switch closes a floodgate, and during separating brake, segmentation is folded with in moving contact bottom.
More piece Pneumatic isolating switch provided by the invention, adopt more piece cylinder as switch main body, use simple and area occupied is little, especially vertical switch can be used as longer fracture divide-shut brake, can say as reactor, to be used in center this more piece Pneumatic isolating switch is installed is optimal selection.The grading shield of this more piece Pneumatic isolating switch will be flexible coupling cage cover in or below, being uniformly distributed of electric field played to considerable effect.The present invention can significantly improve isolation switch insulation level and solve the not in place and current isolating switch remote operation in control room of closing a floodgate and cannot effectively judge separating brake, the problem of closing a floodgate and whether putting in place, and this more piece Pneumatic isolating switch has advantages of that arc resistant ability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein, 1-rice subrack; 2-lower flange; 3-top flange; 4-bus; 5-fixed contact; 6-moving contact; 7-is flexible coupling; 8-cylinder; 9-grading shield; The upper valve of 10-; The spacing joint of 11-; 12-spacing ring; 13-upper flange; 14-gag lever post; 15-divides gate control valve; 16-combined floodgate machine control valve; 17-compressing tablet; 18-touches connecting rod; Valve under 19-.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the more piece Pneumatic isolating switch that the embodiment of the present invention provides, comprise meter subrack 1, be fixed on lower flange 2, top flange 3 in meter subrack, bus 4, fixed contact 5, carry out the moving contact 6 of separating brake or combined floodgate with fixed contact, what one end and bus joined is flexible coupling 7, cylinder 8, and button is located at the grading shield 9 of fixed contact and moving contact top; Cylinder 8 is more piece cylinder, and in more piece cylinder, arbitrary joint cylinder comprises a piston rod and a spacing joint 11, and spacing ring 12 is housed on the piston rod of cylinder 8, goes up most upper flange 13 is set in a displacements of cylinders, fixing moving contact 6 on upper flange 13; The bottom of cylinder 8 arranges lower flange 2, and bus 4 is fixed on lower flange 2; Bus 4 and being flexible coupling 7 joins, 7 the other end of being flexible coupling is connected with moving contact 6, being flexible coupling 7 is fixed on every joint spacing ring 12 and node of cylinder 8 by section, and being flexible coupling of cylinder 8 peripheries 7 drives 7 risings that are flexible coupling when switch closes a floodgate, and during separating brake, segmentation is folded with in moving contact 6 bottoms; Described fixed contact 5 is fixed on top flange 3, fixed contact 5 and moving contact 6 be straight line be arranged at moving contact 6 directly over.
This more piece Pneumatic isolating switch also comprises for drawing switch and dividing, the machine control valve of switching signal, machine control valve comprises the combined floodgate machine control valve 16 that is installed on minute gate control valve 15 on first segment cylinder node and is arranged at fixed contact top, on minute gate control valve 15 and combined floodgate machine control valve 16, gas tube orifice is all set; On second section cylinder node, be provided with and when more piece cylinder bounces back, can touch a minute compressing tablet 17 for gate control valve; Fixed contact 5 is interior arranges Compress Spring is connected and controls afterwards at combined floodgate the conducting of combined floodgate machine control valve touching connecting rod 18 with Compress Spring.
Grading shield 9 is detained respectively and is located on moving contact 6 and fixed contact 5, and the middle part of grading shield 9 is provided for the opening of moving contact 6 turnover; Button is located in the grading shield on moving contact 6 and is arranged and the gag lever post 14 of butterfly spring is housed and is fixedly connected with upper flange 13 by gag lever post 14.
This switch in use, when control desk provides a combined floodgate source of the gas, source of the gas enters main body cylinder by the lower valve 19 of cylinder 8, at certain pressure lower cylinder, constantly inflate, each expansion joint of cylinder starts driving spacing ring, is flexible coupling and moving contact lifting, until encounter grading shield and the fixed contact at top, at this moment moving contact inserts in fixed contact, and the grading shield on moving contact is due to the compressed gear of effect of the butterfly spring in cover and the gag lever post outside at fixed contact.After switch closes a floodgate, reactor by lower flange, bus, be flexible coupling, moving contact, fixed contact, top flange conducting, quit work.When encountering the Compress Spring in fixed contact and touching connecting rod when moving contact insert fixed contact, touching connecting rod action touching combined floodgate machine control valve, combined floodgate machine control valve conducting also provides a combined floodgate source of the gas signal.
During separating brake, control desk provides a separating brake source of the gas, source of the gas is by upper valve 10 air inlets of cylinder, and telescopic cylinder is pulled, and cylinder saves and driving spacing ring, is flexible coupling, moving contact retraction, be flexible coupling and be folded in the grading shield on moving contact, in retraction, the compressing tablet being contained on second section cylinder node touches minute gate control valve being contained on first segment cylinder node, and a minute gate control valve conducting provides a separating brake source of the gas signal, switch opens, reactor enters operating state.
More piece Pneumatic isolating switch of the present invention is to utilize a more piece cylinder as switch main body, and use is simple and area occupied is little, and especially vertical switch can be used as longer fracture divide-shut brake, the isolating switch that is well suited for using as reactor.Being flexible coupling of this switch is promoted and declined by the flexible of cylinder, the machine power or comparatively complicated traction and the winding function such as air motor that do not need other, air cylinder lifting (combined floodgate) drives the rising that is flexible coupling, and decline (separating brake) is flexible coupling to be divided into and every be a bit ofly folded in certain scope and be hidden under grading shield, allow switch divides, combined floodgate effective exercise, and between the fracture of upper and lower contact, be that air is done and insulated, and the insulation level of air is the highest.
Drawing of the switch divide-shut brake signal of this more piece Pneumatic isolating switch, adopt gas to realize with machine control valve, by tracheae, resulting source of the gas signal is guided to control desk, convert the signal of telecommunication to and switch on power, by observing the state of divide-shut brake indicator light, reach the object of Long-distance Control and observation.
Conventionally the grading shield of voltage levels is fixed, and what on the moving contact of this switch, fill is a telescopic ball cover, and it when moving contact is touched with fixed contact, can play voltage equalizing protection effect along with moving contact moves up and down well.The present invention, by the design of grading shield, has played considerable effect to being uniformly distributed of electric field.
Isolating switch provided by the invention, not only can be used as the special switch device of reactor, and the vertical unit in the high-tension electric power of other high-intensity magnetic fields place can use, and its superiority is self-evident.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. more piece Pneumatic isolating switch, it is characterized in that, comprise a meter subrack (1), be fixed on lower flange (2), top flange (3) in meter subrack, bus (4), fixed contact (5), carry out the moving contact (6) of separating brake or combined floodgate with fixed contact, be flexible coupling (7) that one end and bus join, cylinder (8), button is located at the grading shield (9) of fixed contact and moving contact top; Described cylinder (8) is more piece cylinder, in more piece cylinder, arbitrary joint cylinder comprises a piston rod and a spacing joint (11), spacing ring (12) is housed on the piston rod of cylinder (8), goes up most in a displacements of cylinders upper flange (13) is set, upper flange (13) is gone up fixedly moving contact (6); The bottom of cylinder (8) arranges lower flange (2), and described bus (4) is fixed on lower flange (2); Bus (4) and be flexible coupling (7) join, and the other end of be flexible coupling (7) is connected with moving contact (6), and be flexible coupling (7) are fixed on every joint spacing ring (12) and node of cylinder (8) by section; Described fixed contact (5) is fixed on top flange (3), fixed contact (5) and moving contact (6) be straight line be arranged at moving contact (6) directly over;
Described switch also comprises for drawing switch and dividing, the machine control valve of switching signal, machine control valve comprises the combined floodgate machine control valve (16) that is installed on minute gate control valve (15) on first segment cylinder node and is arranged at fixed contact top, on minute gate control valve (15) and combined floodgate machine control valve (16), gas tube orifice is all set; The compressing tablet (17) that can touch minute gate control valve when more piece cylinder bounces back is installed on second section cylinder node; Compress Spring is connected and controls afterwards at combined floodgate the conducting of combined floodgate machine control valve touching connecting rod (18) with Compress Spring is set in fixed contact (5).
2. more piece Pneumatic isolating switch according to claim 1, is characterized in that, described grading shield (9) is detained respectively and is located on moving contact (6) and fixed contact (5), and the middle part of grading shield (9) is provided for the opening of moving contact (6) turnover; Button is located in the grading shield on moving contact (6) and is arranged and the gag lever post (14) of butterfly spring is housed and is fixedly connected with upper flange (13) by gag lever post (14).
3. more piece Pneumatic isolating switch according to claim 1, is characterized in that, peripheral be flexible coupling (7) of described cylinder (8) drive be flexible coupling (7) to rise when switch closes a floodgate, and during separating brake, segmentation is folded with in moving contact (6) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684268.7A CN103681077B (en) | 2013-12-13 | 2013-12-13 | More piece Pneumatic isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684268.7A CN103681077B (en) | 2013-12-13 | 2013-12-13 | More piece Pneumatic isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103681077A true CN103681077A (en) | 2014-03-26 |
| CN103681077B CN103681077B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684268.7A Expired - Fee Related CN103681077B (en) | 2013-12-13 | 2013-12-13 | More piece Pneumatic isolating switch |
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| CN (1) | CN103681077B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229208A (en) * | 2016-08-26 | 2016-12-14 | 河南省高压电器研究所 | Multi-stage expansion type disconnecting switch and moved end assembly thereof |
| CN106298345A (en) * | 2016-08-26 | 2017-01-04 | 河南省高压电器研究所 | Concertina type disconnecting switch and moved end assembly thereof |
| CN107680867A (en) * | 2017-11-21 | 2018-02-09 | 北京合纵科技股份有限公司 | A kind of auxiliary earth switch |
| CN108010784A (en) * | 2016-07-31 | 2018-05-08 | 王璐璐 | A kind of electrically pneumatic chopper switch of chip |
| CN110120319A (en) * | 2019-05-23 | 2019-08-13 | 山东泰开隔离开关有限公司 | A kind of vertical-telescopic Pneumatic high-voltage isolating switch |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06310000A (en) * | 1993-04-20 | 1994-11-04 | Hitachi Ltd | Grounding switch |
| WO2000074094A1 (en) * | 1999-05-27 | 2000-12-07 | Abb Ab | Electric switching device |
| US20030178392A1 (en) * | 2002-03-21 | 2003-09-25 | Lg Industrial Systems Co., Ltd. | Switching mechanism of circuit breaker for gas insulted switchgear |
| CN201084626Y (en) * | 2007-09-07 | 2008-07-09 | 西安电力机械制造公司 | An ultra-high pressure GIS-purpose isolation switch |
| CN201112245Y (en) * | 2007-09-18 | 2008-09-10 | 中国电力科学研究院 | Sliding bar telescopic electropositive potential isolating switch |
| CA2647861A1 (en) * | 2007-12-28 | 2009-06-28 | Mitsubishi Electric Corporation | Grounding switch |
| CN202120803U (en) * | 2011-06-20 | 2012-01-18 | 张京伦 | Moving contact vertical moving type high pressure isolation switch used for moving contact position detection |
| CN203746730U (en) * | 2013-12-13 | 2014-07-30 | 西安天顺成套电器厂 | Multi-section pneumatic disconnecting switch |
-
2013
- 2013-12-13 CN CN201310684268.7A patent/CN103681077B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06310000A (en) * | 1993-04-20 | 1994-11-04 | Hitachi Ltd | Grounding switch |
| WO2000074094A1 (en) * | 1999-05-27 | 2000-12-07 | Abb Ab | Electric switching device |
| US20030178392A1 (en) * | 2002-03-21 | 2003-09-25 | Lg Industrial Systems Co., Ltd. | Switching mechanism of circuit breaker for gas insulted switchgear |
| CN201084626Y (en) * | 2007-09-07 | 2008-07-09 | 西安电力机械制造公司 | An ultra-high pressure GIS-purpose isolation switch |
| CN201112245Y (en) * | 2007-09-18 | 2008-09-10 | 中国电力科学研究院 | Sliding bar telescopic electropositive potential isolating switch |
| CA2647861A1 (en) * | 2007-12-28 | 2009-06-28 | Mitsubishi Electric Corporation | Grounding switch |
| CN202120803U (en) * | 2011-06-20 | 2012-01-18 | 张京伦 | Moving contact vertical moving type high pressure isolation switch used for moving contact position detection |
| CN203746730U (en) * | 2013-12-13 | 2014-07-30 | 西安天顺成套电器厂 | Multi-section pneumatic disconnecting switch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010784A (en) * | 2016-07-31 | 2018-05-08 | 王璐璐 | A kind of electrically pneumatic chopper switch of chip |
| CN106229208A (en) * | 2016-08-26 | 2016-12-14 | 河南省高压电器研究所 | Multi-stage expansion type disconnecting switch and moved end assembly thereof |
| CN106298345A (en) * | 2016-08-26 | 2017-01-04 | 河南省高压电器研究所 | Concertina type disconnecting switch and moved end assembly thereof |
| CN107680867A (en) * | 2017-11-21 | 2018-02-09 | 北京合纵科技股份有限公司 | A kind of auxiliary earth switch |
| CN110120319A (en) * | 2019-05-23 | 2019-08-13 | 山东泰开隔离开关有限公司 | A kind of vertical-telescopic Pneumatic high-voltage isolating switch |
| CN110120319B (en) * | 2019-05-23 | 2024-04-12 | 山东泰开隔离开关有限公司 | Vertical telescopic pneumatic high-voltage isolating switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103681077B (en) | 2016-03-30 |
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Granted publication date: 20160330 Termination date: 20181213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |