CN104092142B - A kind of solid insulation ring main unit with bilateral visual window - Google Patents
A kind of solid insulation ring main unit with bilateral visual window Download PDFInfo
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- CN104092142B CN104092142B CN201310151857.9A CN201310151857A CN104092142B CN 104092142 B CN104092142 B CN 104092142B CN 201310151857 A CN201310151857 A CN 201310151857A CN 104092142 B CN104092142 B CN 104092142B
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- visual window
- isolating switch
- cabinet body
- insulation cylinder
- transparent
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- Gas-Insulated Switchgears (AREA)
Abstract
A kind of solid insulation ring main unit with bilateral visual window, structure comprises cabinet body, key is: before cabinet body, trailing flank is provided with transparent visual window, the main insulation cylinder be arranged in cabinet is also comprised in described cabinet body structure, the structure of main insulation cylinder comprises the upper cavity being arranged at main insulation cylinder respectively, vacuum interrupter in lower cavity and tri-station isolating switch, before the main insulation cylinder of composition lower cavity, rear two side is also provided with transparent windows, transparent visual window is arranged at lower cavity before cabinet body, in the orthographic projection of trailing flank.The present invention by vacuum interrupter and tri-station isolating switch straight up, lower setting, operating state like this with regard to making forward and backward bilateral observe isolating switch becomes possibility, then transparent visual window is increased in the front and rear sides of cabinet, which enhance the life security coefficient of maintainer, meanwhile, it also avoid the limitation of maintainer's repeat runs to the action of cabinet front side isolating switch, effectively improve the operating efficiency of service work.
Description
Technical field
The invention belongs to solid insulation ring main unit technical field, specifically a kind of solid insulation ring main unit with bilateral visual window.
Background technology
In prior art solid insulation ring main unit cabinet on cabinet body leading flank, be provided with at most only the window that is observed isolating switch state, such maintainer observes the state of isolating switch with regard to being not easy to when the bus overhauled after cabinet and cable, if the moved end of isolating switch does not contact with grounding contact when overhauling, threaten to the life security of maintainer, consequence is hardly imaginable.So, maintainer after sensing side bus and cable time, need to be transferred on front side of cabinet by watch window observation isolating switch state, like this, inevitably numerous inconvenience is brought to service work, and significantly reduces the operating efficiency of staff.
Summary of the invention
The present invention is in order to address the aforementioned drawbacks, devise a kind of solid insulation ring main unit with bilateral visual window, by changing structure and the position relationship of vacuum interrupter and three station vacuum interrupters, install visual window at cabinet and the forward and backward bilateral of main insulation cylinder, providing convenience for maintenance also improves operating efficiency and the coefficient of safety of maintenance while condition.
The technical solution used in the present invention is: a kind of solid insulation ring main unit with bilateral visual window, cabinet body structure comprises cabinet body, key is: before cabinet body, trailing flank is provided with transparent visual window, the main insulation cylinder be arranged in cabinet is also comprised in described cabinet body structure, the structure of main insulation cylinder comprises the upper cavity being arranged at main insulation cylinder respectively, vacuum interrupter in lower cavity and tri-station isolating switch, before the main insulation cylinder of composition lower cavity, rear two side is also provided with transparent windows, transparent visual window is arranged at lower cavity before cabinet body, in the orthographic projection of trailing flank.
The invention has the beneficial effects as follows: 1, vacuum main switch in prior art in main insulation cylinder and tri-station isolating switch in cabinet before, after be set up in parallel, the operating state that isolating switch observed by observation window can only be set in the front side of cabinet or rear side, be set up in parallel like this and make maintainer be not easy to overhaul bus and cable on rear side of cabinet, the state seeing tri-station isolating switch to be guaranteed the moment when the bus overhauled on rear side of cabinet and cable, once the moved end of tri-station isolating switch does not contact with grounding contact, threaten to the life security of maintainer, the present invention is in order to address the aforementioned drawbacks the life security coefficient improving maintainer, by vacuum interrupter and tri-station isolating switch straight up, lower setting, then just can before cabinet, rear both sides increase visual window, make maintainer on rear side of cabinet, also can observe the state of isolating switch, effectively improve the coefficient of safety of service work, meanwhile, it also avoid the limitation of maintainer's repeat runs to the action of cabinet front side isolating switch, effectively improve the operating efficiency of service work, 2, three-phase bus sleeve pipe to be fixed on bus casing connection inserting part and in three-phase body isosceles triangle arrangement, many employing in-lines or linear distribution three-phase charged bodies in prior art, according to Electric Field Distribution principle, its Electric Field Distribution line of demarcation is three to be connected straight line, electric field track is straight line pulsation, and namely electric field strength is uneven, and adopting three-phase body isosceles triangle to distribute, its Electric Field Distribution line of demarcation is the circumscribed circle of equilateral triangle, and on circular trace any direction, electric field strength and ripple amplitude are all identical, and electric-field intensity distribution is even, and adopt the distribution of three-phase body isosceles triangle greatly can improve electric field environment, be more adapted in the environment of high voltage or dielectric voltage withstand level, 3, be three-phase body isosceles triangle arrangement to realize three-phase bus sleeve pipe, invented a kind of bus casing comprising two special-shaped sleeve pipes and a linear pattern sleeve pipe, the design of the structure of special-shaped sleeve pipe makes three-phase body isosceles triangle arrangement become possibility.
Below in conjunction with accompanying drawing, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is three-phase body isosceles triangle arrangement schematic diagram;
Fig. 4 is the structural representation of special-shaped sleeve pipe.
In accompanying drawing, A is cabinet body, B is transparent visual window, 1 is main insulation cylinder, 1-1 is upper cavity, 1-2 is lower cavity, 1-2-1 is transparent windows, 3 is three-phase bus sleeve pipes, 4 is vacuum interrupters, 3-1 is bus casing connector, 3-2 is special-shaped sleeve pipe, 3-3 is linear pattern sleeve pipe, 3-2-1 is the first straight-through portion, 3-2-2 is elbow, 3-2-3 is the second straight-through portion, 4-1 is moving contact, 4-2 is flexible coupling, 4-3 is fixed contact, 4-4 is main switch operating mechanism, 4-5 is main switch transmission mechanism, 5-1 is moved end, 5-2 is quiet end, 5-3 is grounding contact, 5-4 is arc transparent cover plate, 5-5 is isolating switch operating mechanism, 5-6 represents driving gear of isolating switch, 5-2-1 is isolation inlet-outlet sleeve, 5-2-2 is cable bonding conductor inserts, 5-2-3 is outside line cable joint.
Embodiment
A kind of solid insulation ring main unit with bilateral visual window, cabinet body structure comprises cabinet body A, importantly: before cabinet body A, trailing flank is provided with transparent visual window B, the main insulation cylinder 1 be arranged in cabinet is also comprised in described cabinet body structure, the structure of main insulation cylinder 1 comprises the upper cavity 1-1 being arranged at main insulation cylinder 1 respectively, vacuum interrupter 4 in lower cavity 1-2 and tri-station isolating switch, before the main insulation cylinder 1 of composition lower cavity 1-2, rear two side is also provided with transparent windows 1-2-1, transparent visual window B is arranged at lower cavity 1-2 before cabinet body, in the orthographic projection of trailing flank.Like this, main insulation cylinder 1 inner space is upper and lower integral structure, is provided with vacuum interrupter 4, be flexible coupling the main switches such as 4-2 in main insulation cylinder 1 upper cavity; Be encapsulated with the tri-station isolating switch of the composition such as quiet end 5-2 of the fixed contact 4-3 of main switch, isolation contact knife (i.e. the moved end 5-1 of tri-station isolating switch), grounding contact 5-3, isolating switch in the lower cavity of main insulation cylinder 1, this kind of design makes bilateral observe the operating state of isolating contact knife becomes possibility.
In order to observe the position of isolation contact knife better, described transparent windows 1-2-1 and the central point of transparent visual window B are in same level.
Further, in order to observe the state of isolation contact knife better, the transparent windows 1-2-1 that the rear wall of described main insulation cylinder 1 is arranged is arc transparent cover plate 5-4.
Moving contact 4-1 in described vacuum interrupter 4 to be connected with three-phase bus sleeve pipe 3 by the 4-2 that is flexible coupling and to have the vertical lifting degree of freedom by the driving of main switch operating mechanism 4-4 and fixed contact 4-3 forms opening and closing structure, and the moved end 5-1 of tri-station isolating switch has vertical rotary freedom by isolating switch operating mechanism 5-5, forms the transformational structure of separating brake, combined floodgate, ground connection three station with the fixed contact 4-3 of quiet end 5-2, vacuum extinction indoor and grounding contact 5-3 respectively.
Described main insulation cylinder 1 is also fixed with bus casing connector 3-1, the three-phase bus sleeve pipe 3 including two special-shaped sleeve pipe 3-2 and linear pattern sleeve pipe 3-3 to be fixed on bus casing connector 3-1 and in three-phase body isosceles triangle arrangement.Specifically can see accompanying drawing 3, adopt the distribution of three-phase body isosceles triangle, its Electric Field Distribution line of demarcation is the circumscribed circle of equilateral triangle, and on circular trace any direction, electric field strength and ripple amplitude are all identical, and electric-field intensity distribution is even.
The structure of described special-shaped sleeve pipe 3-2 comprises being connected in series by two elbows and forms the contrary intermediate transit portion of two opening directions and the first straight-through portion 3-2-1 and second of being connected with two openings by coupling assembling respectively leads directly to portion 3-3-3, and second leads directly to portion 3-2-3 is connected with bus casing connector 3-1.See accompanying drawing 4, the design of this different in nature sleeve pipe 3-2 makes three-phase body isosceles triangle arrange becomes possibility.
The quiet end 5-2 of described tri-station isolating switch is hinged with isolation inlet-outlet sleeve 5-2-1 by cable bonding conductor inserts 5-2-2, and isolation inlet-outlet sleeve 5-2-1 is connected with outside line cable joint 5-2-3.
In the specific implementation, see accompanying drawing 1, this solid insulation ring main unit is when power transmission, drive the moved end 5-1 of tri-station isolating switch namely to isolate contact knife by isolating switch operating mechanism 5-5 and driving gear of isolating switch 5-6 to turn clockwise, namely feed motion is realized until connect with the fixed contact 4-3 of vacuum interrupter 4, the moving contact 4-1 in vacuum interrupter 4 is driven to move downward, until fasten with fixed contact 4-3 the closing operation namely achieving main switch by main switch operating mechanism 4-4 and main switch transmission mechanism 4-5 afterwards.When power-off, first moving contact 4-1 is driven to move upward by main switch operating mechanism 4-4 and main switch transmission mechanism 4-5, until be separated with fixed contact 4-3 the sub-switching operation namely realizing main switch, afterwards, relend and help isolating switch operating mechanism 5-5 and driving gear of isolating switch 5-6 to drive the isolation contact knife of tri-station isolating switch to be rotated counterclockwise can to realize sub-switching operation to quiet end position.When needs overhaul, isolation contact knife is rotated counterclockwise on grounding contact 5-3 position, can service work be carried out.In above power transmission, power process, staff or can observe the state of isolating switch before cabinet body A below in time, and operating efficiency improves greatly, also ensure that personal safety simultaneously.
Claims (4)
1. the solid insulation ring main unit with bilateral visual window, cabinet body structure comprises cabinet body (A), before cabinet body (A), trailing flank is provided with transparent visual window (B), the main insulation cylinder (1) be arranged in cabinet is also comprised in described cabinet body structure, the structure of main insulation cylinder (1) comprises the upper cavity (1-1) being arranged at main insulation cylinder (1) respectively, vacuum interrupter (4) in lower cavity (1-2) and tri-station isolating switch, before the main insulation cylinder (1) of composition lower cavity (1-2), rear two side is also provided with transparent windows (1-2-1), transparent visual window (B) is arranged at lower cavity (1-2) before cabinet body, in the orthographic projection of trailing flank, the central point of described transparent windows (1-2-1) and transparent visual window (B) is in same level, the transparent windows (1-2-1) that the rear wall of described main insulation cylinder (1) is arranged is arc transparent cover plate (5-4), it is characterized in that: the moving contact (4-1) in described vacuum interrupter (4) is connected with three-phase bus sleeve pipe (3) by be flexible coupling (4-2), and by the driving of main switch operating mechanism (4-4), there is the vertical lifting degree of freedom and fixed contact (4-3) and formed and open, close structure, the moved end (5-1) of tri-station isolating switch has vertical rotary freedom by isolating switch operating mechanism (5-5), respectively with quiet end (5-2), fixed contact (4-3) and the grounding contact (5-3) of vacuum extinction indoor form separating brake, close a floodgate, the transformational structure of ground connection three station.
2. a kind of solid insulation ring main unit with bilateral visual window according to claim 1, it is characterized in that: described main insulation cylinder (1) is also fixed with bus casing connector (3-1), the three-phase bus sleeve pipe (3) including two special-shaped sleeve pipes (3-2) and a linear pattern sleeve pipe (3-3) is fixed on bus casing connector (3-1) and goes up and be three-phase body isosceles triangle arrangement.
3. a kind of solid insulation ring main unit with bilateral visual window according to claim 2, it is characterized in that: the structure of described special-shaped sleeve pipe (3-2) comprises being connected in series by two elbows and forms the contrary intermediate transit portion of two opening directions and the first straight-through portion (3-2-1) and second of being connected with two openings by coupling assembling respectively leads directly to portion (3-2-3), and second leads directly to portion (3-2-3) is connected with bus casing connector (3-1).
4. a kind of solid insulation ring main unit with bilateral visual window according to claim 2, it is characterized in that: the quiet end (5-2) of described tri-station isolating switch is hinged with isolation inlet-outlet sleeve (5-2-1) by cable bonding conductor inserts (5-2-2), and isolation inlet-outlet sleeve (5-2-1) is connected with outside line cable joint (5-2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310151857.9A CN104092142B (en) | 2013-04-27 | 2013-04-27 | A kind of solid insulation ring main unit with bilateral visual window |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310151857.9A CN104092142B (en) | 2013-04-27 | 2013-04-27 | A kind of solid insulation ring main unit with bilateral visual window |
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| Publication Number | Publication Date |
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| CN104092142A CN104092142A (en) | 2014-10-08 |
| CN104092142B true CN104092142B (en) | 2016-03-23 |
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| CN201310151857.9A Active CN104092142B (en) | 2013-04-27 | 2013-04-27 | A kind of solid insulation ring main unit with bilateral visual window |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410003B (en) * | 2014-12-05 | 2017-03-29 | 北京合锐赛尔电力科技股份有限公司 | It is provided with the solid insulation ring main unit and using method of optical transmission window and visualization window |
| CN104466777B (en) * | 2014-12-05 | 2017-06-30 | 北京合锐赛尔电力科技股份有限公司 | A kind of solid insulation ring main unit |
| CN107005032A (en) * | 2014-12-11 | 2017-08-01 | 三菱电机株式会社 | Switching device |
| CN109637888A (en) * | 2018-12-17 | 2019-04-16 | 江苏大烨智能电气股份有限公司 | A kind of environmental-protective gas-insulating killer switch |
| CN115863080B (en) * | 2023-02-24 | 2023-05-09 | 厦门顾德益电气股份有限公司 | Solid switchgear with visual state |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088750U (en) * | 1991-01-23 | 1991-11-13 | 宋妙兴 | Double-bus stationary high voltage switch cabinet |
| CN102227059A (en) * | 2011-03-15 | 2011-10-26 | 无锡中亚电器设备厂 | Intelligent solid closed insulating fixed-type high voltage switchgear |
| CN202797738U (en) * | 2012-08-20 | 2013-03-13 | 西安西能电器新技术发展有限公司 | Solid insulation vacuum ring main unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5502027B2 (en) * | 2011-06-17 | 2014-05-28 | 株式会社日立製作所 | Switchgear |
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2013
- 2013-04-27 CN CN201310151857.9A patent/CN104092142B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088750U (en) * | 1991-01-23 | 1991-11-13 | 宋妙兴 | Double-bus stationary high voltage switch cabinet |
| CN102227059A (en) * | 2011-03-15 | 2011-10-26 | 无锡中亚电器设备厂 | Intelligent solid closed insulating fixed-type high voltage switchgear |
| CN202797738U (en) * | 2012-08-20 | 2013-03-13 | 西安西能电器新技术发展有限公司 | Solid insulation vacuum ring main unit |
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| CN104092142A (en) | 2014-10-08 |
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