CN1127110C - Through-wall isolated vacuum load switch - Google Patents
Through-wall isolated vacuum load switch Download PDFInfo
- Publication number
- CN1127110C CN1127110C CN 01105378 CN01105378A CN1127110C CN 1127110 C CN1127110 C CN 1127110C CN 01105378 CN01105378 CN 01105378 CN 01105378 A CN01105378 A CN 01105378A CN 1127110 C CN1127110 C CN 1127110C
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- CN
- China
- Prior art keywords
- insulating sleeve
- vacuum interrupter
- hinged
- load switch
- divide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a wall-penetrating type vacuum isolation loading switch; a three-phrase insulating sleeve of which the upper end forms an opening is arranged on a chassis; conductive parts which can carry out the isolation switch opening and closing through a two-way operating mechanism and can carry out the switch opening and closing of vacuum arc-extinguishing chambers through the two-way operating mechanism and the vacuum arc-extinguishing chamber are supported by respective insulating sleeve pipes; current flows out from the moving ends of the vacuum arc-extinguishing chambers through the isolation switch and passes through a metal bottom frame. When the present invention is designed for matching a ring network cabinet, an upper bus chamber and a lower cable chamber are divided into two chambers; personnel safety of maintainers can be ensured. Each phase conductive part of the loading switch is respectively supported by a single insulating sleeve pipe; thereby, the structure is simple and compact, and the volume is small. An included vacuum arc-extinguishing chamber can avoid the dust accumulation of the arc-extinguishing surface and prevent the injury caused by external force.
Description
Technical field
The present invention relates in a kind of 10KV of being suitable for electrical network the through-wall isolated vacuum load switch accepting and distribute electric energy to use.
Background technology
The typical model of existing isolated vacuum load switch mainly contains FN16, FN21, FN27 etc., the structure of these on-load switches all is to add an isolation switch simply to form on vacuum interrupter, join cabinet when using in order to guarantee maintainer's safety, need to insert an insulating barrier at the isolation fracture place, doing like this needs to increase this operating procedure and the fool proof interlock of a cover on the one hand, therefore increase the complexity of mechanism, influenced the reliability of switch cubicle; On the other hand, prevent that by inserting an insulating barrier mistakenly entering charged chamber from also really not allowing the maintainer feel safe during maintenance.
Summary of the invention
Task of the present invention is to provide a kind of through-wall isolated vacuum load switch of compact conformation, make and guarantee that when joining the cabinet use maintenance district (cable vault) and bus-bar room form a grounded metal compartment, after on open, isolating plug-in strip like this, the personal safety in the time of guaranteeing the maintenance cable vault.
Task of the present invention is achieved through the following technical solutions: through-wall isolated vacuum load switch, comprise control box fastened to each other and underframe, being installed in has a three phase isolated element on the underframe, isolate the conductive component of divide-shut brake and the conductive component of vacuum interrupter divide-shut brake action respectively by two dataway operation mechanisms, it is characterized in that described insulation component is the opening-like insulating sleeve in upper end, by the quiet end of the vacuum interrupter of supporting units support up, the moved end down, and be located at separately in the insulating sleeve, support by insulating sleeve with the conductive component of conductive component with isolation features and the action of vacuum interrupter divide-shut brake.
The support component of described vacuum interrupter comprise be located at insulating sleeve below and with its fixing lower carriage, lower carriage is provided with the filler ring of holding vacuum interrupter and the stage clip of circle distribution.
The conductive component of described isolation divide-shut brake is made up of plug-in strip, fixed contact, contiguous block, first insulated connecting rod of plug-in strip and operating mechanism is hinged, hinged by shipping and reselling on another market simultaneously with contiguous block, and contiguous block is connected on the insulating sleeve by pin, fixed contact is fixed on the contact base of insulating sleeve upper end.
Conductive component comprises and vacuum interrupter moving conductive rod lower end the is fixing conductive clip and the guide post of the action of described vacuum interrupter divide-shut brake, two ends respectively with lower carriage, fixing being flexible coupling of conductive clip, be provided with on the guide post of elongated slot and be set with butterfly spring.
Described contiguous block and vacuum interrupter top are mutually with the conical surface applying that matches.
First operating mechanism that divide-shut brake is isolated in described manipulation comprises two supports rotating rotating shaft on underframe, and with the first fixing connecting lever of rotating shaft, an end and first connecting lever are hinged, the other end and the first hinged insulated connecting rod of plug-in strip.
The second operation machine structure of described manipulation vacuum interrupter divide-shut brake action comprises two supports rotating main shaft on underframe, be fixed with second connecting lever on the main shaft, the other end and the 3rd connecting lever of second insulated connecting rod that one end and second connecting lever are hinged are hinged, and the 3rd connecting lever is hinged with lower carriage, and is connected in the guide post elongated slot by pin.
On-load switch of the present invention is done the wall-penetrating type design, electric current flows out through the moved end of vacuum interrupter from top static contact isolation switch, passed the metal underframe, when joining the ring main unit design, can make bus-bar room above the ring main unit and following cable vault be divided into two Room by the metal underframe of ground connection, like this behind the isolation plug-in strip on open, the personal safety in the time of guaranteeing the maintenance cable vault; Secondly, because of on-load switch each mutually all conductive components supports by single insulating sleeve, need lean on three insulators to support mutually with each of the on-load switch of prior art and compare, more simple compactness on the structure, the volume that takies is littler; Once more, vacuum interrupter is placed in the insulating sleeve, can prevent that dust the gathering of arc extinguishing surface, is subjected to the damage of unexpected external force to prevent arc control device.
Description of drawings
The phase sectional structure schematic diagram of Fig. 1 during for three-phase formal dress formula of the present invention.
Fig. 2 looks formal dress formula structural representation for the right side of Fig. 1.
Fig. 3 is the side-mounted structural representation of three-phase.
Embodiment
Below with reference to above-mentioned accompanying drawing embodiments of the invention are described in detail again.
Referring to Fig. 1-3, insulating sleeve 19 upper ends of through-wall isolated vacuum load switch are the half opening shape, and it is by being bolted on the underframe 5, and underframe and control box 4 are fastened to each other.The conductive component of isolating divide-shut brake conductive component, the vacuum interrupter 18 that passes through supporting units support and divide-shut brake action thereof by having of insulating sleeve support.
Form by plug-in strip 23, fixed contact 25, contiguous block 20 by the isolation divide-shut brake conductive component that insulating sleeve supports, plug-in strip 23 is hinged with first insulated connecting rod 1 of operating mechanism, simultaneously by ship and resell on another market 22 with contiguous block 20 hinged, the plug-in strip pin that can rotate rotates, and contiguous block is connected the insulating sleeve middle part by pin 21, pressure mouth formula fixed contact 25 is installed on the contact base 24 that is fixed in the insulating sleeve upper end, and this is isolated the divide-shut brake conductive component and realizes divide-shut brake by first operating mechanism.
First operating mechanism comprises two supports rotating rotating shaft 2 on underframe 5, solid welding first connecting lever 3 in the rotating shaft, first insulated connecting rod, 1 one ends and first connecting lever are hinged, one end and plug-in strip are hinged, when rotating shaft is subjected to counterclockwise torsion, first connecting lever in the rotating shaft promotes first insulated connecting rod upwards to be rotated plug-in strip counterclockwise and enters in the fixed contact, and isolate plug-in strip and be in "on" position this moment.
Be located at vacuum interrupter 18 in the insulating sleeve by supporting units support, its quiet end up, the moved end down, with convenient maintenance to arc control device, its quiet end contacts with conical surface applying mutually with contiguous block, floating type support component can make both fit tightly.
Described support component comprises and is located at insulating sleeve below and its fixing lower carriage 11, lower carriage is provided with the filler ring 17 of holding vacuum interrupter and the stage clip 16 of 4-6 circumference uniform distribution, the effect of stage clip is to make vacuum interrupter to fit with contiguous block all the time, guarantees the enough pressure of arc control device top contact-making surface.
The conductive component of finishing the action of vacuum interrupter divide-shut brake that is supported by insulating sleeve i.e. fixedly conductive clip 15 and guide post 12 in the moving conductive rod lower end of arc control device, be flexible coupling 14 two ends are fixed with lower carriage, conductive clip respectively, tens of butterfly springs 13 as the overtravel spring housing on guide post, one elongated slot is arranged on the guide post, be connected usefulness with operating mechanism, the vacuum interrupter feed motion is realized by its special-purpose second operation machine structure.
The second operation machine structure comprises two supports rotating main shaft 6 on underframe 5, solid welding has second connecting lever 7 on the main shaft, the other end of second insulated connecting rod 8 that one end and second connecting lever are hinged and the 3rd connecting lever 9 are hinged, and the 3rd connecting lever is hinged with lower carriage, the middle part is connected in the elongated slot of guide post by pin 10, makes butterfly spring that certain precommpression be arranged.If need the operation vacuum interrupter, the power of control box clockwise rotates main shaft, the divide-shut brake action that the action-oriented bar of vacuum interrupter is moved upward finish vacuum interrupter by second connecting lever, second insulated connecting rod, the 3rd connecting lever, disk spring, guide post.
The connected mode of control box of the present invention and vacuum interrupter can be as the formal dress formula of Fig. 2, promptly arranges before and after operating mechanism and the vacuum interrupter, also can be as Fig. 3 side-mounted, i.e. operating mechanism and vacuum interrupter word order.
Claims (7)
1. through-wall isolated vacuum load switch, comprise control box fastened to each other (4) and underframe (5), being installed in has a three phase isolated element on the underframe, isolate the conductive component of divide-shut brake and the conductive component of vacuum interrupter divide-shut brake action respectively by two dataway operation mechanisms, it is characterized in that described insulation component is the opening-like insulating sleeve in upper end (19), by the quiet end of vacuum interrupter (18) of supporting units support up, the moved end down, and be located at separately in the insulating sleeve, support by insulating sleeve with the conductive component of conductive component with isolation features and the action of vacuum interrupter divide-shut brake.
2. through-wall isolated vacuum load switch as claimed in claim 1, the support component that it is characterized in that described vacuum interrupter (18) comprise be located at insulating sleeve (19) below and with its fixing lower carriage (11), lower carriage is provided with the filler ring (17) of holding vacuum interrupter and the stage clip (16) of circle distribution.
3. through-wall isolated vacuum load switch as claimed in claim 1, the conductive component that it is characterized in that described isolation divide-shut brake is made up of plug-in strip (23), fixed contact (25), contiguous block (20), plug-in strip (23) is hinged with first insulated connecting rod (1) of operating mechanism, hinged by ship and resell on another market (22) simultaneously with contiguous block (20), and contiguous block is connected on the insulating sleeve by pin (21), and fixed contact (25) is fixed on the contact base (24) of insulating sleeve upper end.
4. through-wall isolated vacuum load switch as claimed in claim 1, the conductive component that it is characterized in that described vacuum interrupter divide-shut brake action comprises and fixing conductive clip (15) and the guide post (12) in vacuum interrupter (18) moving conductive rod lower end, two ends respectively with fixing be flexible coupling (14) of lower carriage, conductive clip, be provided with on the guide post of elongated slot and be set with butterfly spring (13).
5. as claim 1 or 3 described through-wall isolated vacuum load switch, it is characterized in that described contiguous block (20) and vacuum interrupter (18) top are mutually with the conical surface applying that matches.
6. through-wall isolated vacuum load switch as claimed in claim 1, first operating mechanism that it is characterized in that described manipulation isolation divide-shut brake comprises that two supports is in upward rotating rotating shaft (2) of underframe (5), with fixing first connecting lever (3) of rotating shaft, an end and first connecting lever are hinged, the other end and hinged first insulated connecting rod (1) of plug-in strip.
7. through-wall isolated vacuum load switch as claimed in claim 1, the second operation machine structure that it is characterized in that described manipulation vacuum interrupter divide-shut brake action comprises that two supports is at the last rotating main shaft (6) of underframe (5), be fixed with second connecting lever (7) on the main shaft, the other end and the 3rd connecting lever (9) of second insulated connecting rod (8) that one end and second connecting lever are hinged are hinged, and the 3rd connecting lever is hinged with lower carriage (11), and is connected in the guide post elongated slot by pin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01105378 CN1127110C (en) | 2001-02-21 | 2001-02-21 | Through-wall isolated vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01105378 CN1127110C (en) | 2001-02-21 | 2001-02-21 | Through-wall isolated vacuum load switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1306290A CN1306290A (en) | 2001-08-01 |
| CN1127110C true CN1127110C (en) | 2003-11-05 |
Family
ID=4654459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01105378 Expired - Fee Related CN1127110C (en) | 2001-02-21 | 2001-02-21 | Through-wall isolated vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1127110C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101037027B1 (en) * | 2009-12-31 | 2011-05-25 | 엘에스산전 주식회사 | Vacuum circuit breaker |
| EP2346059A3 (en) * | 2010-01-18 | 2012-08-29 | ABB Technology AG | Method for switching an electric power circuit |
| CN102176609A (en) * | 2011-01-25 | 2011-09-07 | 郑文秀 | Vacuum arch-quenching final assembly chamber of console type alternative current intelligent switch cubicle |
| CN104701060A (en) * | 2015-04-06 | 2015-06-10 | 黄浩 | Electric power isolation switch |
| CN107134325A (en) * | 2016-02-29 | 2017-09-05 | 北京瑞恒新源投资有限公司 | Insulation core body, High-Voltage Electrical Appliances and the multifunctional high pressure sleeve pipe of high capacitance |
| CN106816341A (en) * | 2017-03-16 | 2017-06-09 | 温州开元集团有限公司 | A kind of insulating base and vacuum load switch fuse combined electrical apparatus |
| CN107706802A (en) * | 2017-10-31 | 2018-02-16 | 江苏亚开电气有限公司 | A kind of environment-friendly type air insulation AC metal enclosed ring network switch cabinet |
| CN109065406A (en) * | 2018-09-06 | 2018-12-21 | 天津合纵电力设备有限公司 | Vacuum arc-extinguishing chamber assembly with built-in isolation fracture and vacuum circuit breaker |
-
2001
- 2001-02-21 CN CN 01105378 patent/CN1127110C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1306290A (en) | 2001-08-01 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031105 Termination date: 20130221 |