CN101800136A - Non-time difference double-power supply breaker - Google Patents
Non-time difference double-power supply breaker Download PDFInfo
- Publication number
- CN101800136A CN101800136A CN 201010131839 CN201010131839A CN101800136A CN 101800136 A CN101800136 A CN 101800136A CN 201010131839 CN201010131839 CN 201010131839 CN 201010131839 A CN201010131839 A CN 201010131839A CN 101800136 A CN101800136 A CN 101800136A
- Authority
- CN
- China
- Prior art keywords
- breaker
- vacuum circuit
- power supply
- switching
- time difference
- 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.)
- Pending
Links
Images
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention provides an outdoor non-time difference double-power supply breaker, and relates to an electric transmission and transformation switching device. The breaker comprises a vacuum breaker A, a vacuum breaker B, an insulation support, a switching-off mechanism A and a switching-off mechanism B, wherein the vacuum breaker A and the vacuum breaker B are fixed together side by side through a base, the switching-off mechanism A is mechanically connected with the vacuum breaker A, the switching-off mechanism B is mechanically connected with the vacuum breaker B, and the switching-off mechanism A and the switching-off mechanism B are mechanically connected together through two interlocking devices and are used for realizing that a controller switches off the vacuum breaker A and automatically switches to a power supply B to activate the vacuum breaker B to work when a power supply A is out of electricity. Because of the fully-enclosed structure of the case body, the breaker achieves good sealing property and high adaptive capacity; the switching-on and switching-off operations can be manually or electrically done, and also can be done by remote control; and an outdoor isolating switch can be added to the breaker to be integrated with the breaker, thereby enabling the non-time difference double-power supply breaker and the isolating switch to achieve reliable mechanical interlocking and electrical interlocking performances.
Description
Technical field
The present invention relates to the power transmission and transformation switchgear, specifically is a kind of circuit breaker of non-time difference double-power supply.
Background technology
Continuous development along with national economy; electric network composition and part throttle characteristics are complicated day by day; for protection equipment and personal safety; many to Supply Security, the higher power consumer of reliability requirement; in order to guarantee the continuity of electricity; all adopt two-way 10KV high-voltage dual power to power, so just improved the reliability and the fail safe of power supply greatly.But adopt the power supply of two-way high voltage source, exist and how to carry out that the two-way power supply switches and the problem of protection, after promptly one road power supply has a power failure, how quick, safe another road power supply that switches to.At present, mainly adopt following scheme: 1, adopt many indoor high-voltage switch cubicles to realize the switching and the protection of high-voltage dual powers, this is present most popular high-voltage dual power scheme, has reliability height, flexible configuration, multiple functional advantage.But also exist significant disadvantages, a. investment is big, and the cost of switch cubicle is very high, and realizes needing two above high-tension switch cabinets at least by dual power supply; B. floor space is big, needs to build special power distribution room, and is equipped with relevant auxiliary facility, and infrastructure investment is big; C. environmental suitability is poor, and high-tension switch cabinet general work temperature range need be taked the measure of heating at-5 ℃～+ 40 ℃ at severe cold area, extra increase expense; D. chain and operation sequence complexity is easy to cause because do not operate in operation sequence and can't realizes the function of expecting; Do not realize the two-way isolated from power if e. dispose electric isolating switch,, be easy to cause two-way power supply paired running or oppositely send electrification as long as circuit breaker fracture insulation fault takes place.2; adopt two outdoor high-voltage vacuum breakers and controller to realize the conversion and the protection of high-voltage dual power; this scheme is also used many at present; compare with preceding a kind of scheme; on cost, has bigger advantage; easy for installation; volume is little; adaptive capacity to environment is strong; working temperature can reach-40 ℃～+ 40 ℃; and it exists shortcoming to be: the reliable mechanical chain that can't realize two circuit breakers; misoperation and vacuum interrupter gas leakage can cause the parallel running of two-way power supply or oppositely send electrification; do not have isolation fracture behind the breaker open operation, need the other isolating switch of configuration to realize the maintenance and the maintenance of circuit.3, adopt the SF6 on-load switch to realize the conversion of high-voltage dual power; cooperate fuse to realize protection simultaneously; this scheme is a kind of newer dual power supply scheme that proposes for the defective youngster who solves second kind of scheme existence; its cost is lower than alternative plan; and easy for installation, owing on a switch, realize the conversion of duplicate supply, therefore reliable mechanical interlocking is arranged in theory; can stop two-way power supply paired running and oppositely send electric possibility, be the higher a kind of scheme of present security performance.But because its base load switch realizes that can't realize short-circuit protection, so must join fuse and realize short-circuit protection, also do not have tangible isolation fracture, the configuration isolation switch is realized line maintenance and maintenance separately.
Summary of the invention
Technical problem solved by the invention is to provide a kind of two vacuum circuit-breakers and automatic isolating switch of two covers of utilizing by two voltage transformer samplings, current and voltage signals in the circuit breaker is offered intelligent controller, realize the outdoor non-time difference double-power supply breaker of full-automatic switching through intelligent controller.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of outdoor non-time difference double-power supply breaker, it is characterized in that: comprise vacuum circuit-breaker A and vacuum circuit-breaker B, described vacuum circuit-breaker A and vacuum circuit-breaker B are fixed together side by side by base, outside described vacuum circuit-breaker A and vacuum circuit-breaker B the double-power supply breaker casing are installed.
Described casing is totally-enclosed structure.
Also comprise insulation column, be positioned at the outside of casing, the bottom is by being bolted to the sidewall of casing, and and casing in vacuum circuit-breaker A, vacuum circuit-breaker B join, between described insulation column and vacuum circuit-breaker A, B junction, voltage transformer A and voltage transformer B are set also, between described voltage transformer A and the vacuum circuit-breaker A, and be electrically connected between voltage transformer B and the vacuum circuit-breaker B.
After described insulation column bottom was fixed on the sidewall of casing, front end and isolating switch structure were joined, and connected a-power supply end and B-source end by isolating switch mechanism, realized that the duplicate supply of circuit breaker inserts.
After described vacuum circuit-breaker A and vacuum circuit-breaker B fixed placement are good, the upper end of vacuum circuit-breaker A and vacuum circuit-breaker B and three-phase integrated zero sequence current mutual inductor electric connection, described three-phase integrated zero sequence current mutual inductor is arranged in the casing, by being bolted in the casing, fixedly connected with the leading-out terminal of double-power supply breaker in the outside, the a-power supply of access vacuum circuit-breaker and B-source are respectively via drawing from leading-out terminal respectively behind vacuum circuit-breaker A and the vacuum circuit-breaker B.
Also comprise being arranged in the base and A brake separating mechanism that vacuum circuit-breaker A machinery joins, and and the B brake separating mechanism that joins of vacuum circuit-breaker B machinery, described A brake separating mechanism is by the control of A separating brake handle, the B brake separating mechanism is by the control of B separating brake handle.
Described A, the B brake separating mechanism comprises switch spindle respectively, described switch spindle is with tripping spring outward, auxiliary switch, spring mechanism, closing coil, switching winding and overcurrent coil, place, two ends in described switch spindle connects interlock respectively, with described A brake separating mechanism and the reverse setting mutually of B brake separating mechanism, by two interlocks with described A brake separating mechanism with the B brake separating mechanism is mechanical links together, be used for when a-power supply does not have electricity controller with vacuum circuit-breaker A separating brake, automatic switching is to B-source, by vacuum circuit-breaker B work, realize the switching of the no time difference.
The beneficial effect that the present invention has is: 1, non-time difference double-power supply breaker adopts full-closed structure, and good seal performance helps to improve moistureproof, anti-condensation performance, is adapted to the high temperature humid area and uses; 2, according to user's request 50/5～630/5 current transformer can be installed, the output secondary current carries out information analysis for intelligent controller; 3, the closing of non-time difference double-power supply breaker, separating brake can be manually or electric operating, also remote-controlled operation; 4, operating mechanism is sealed in the switch box house, the mechanism's corrosion that can avoid switch to cause down effectively because of long-term outdoor environment, and operating mechanism novelty, simple, reliable in action, volume are little, can reach more than 10,000 ten thousand times mechanical endurance; 5, can install outdoor disconnector and circuit breaker additional and form integratedly, make non-time difference double-power supply breaker and isolating switch have reliable mechanical interlocking and electrical interlock performance.
Description of drawings
Fig. 1 is a non-time difference double-power supply breaker structural representation of the present invention;
Fig. 2 be among Fig. 1 K to structural representation;
Fig. 3 is an A face structural representation among Fig. 1;
Fig. 4 is a B face structural representation among Fig. 1.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, a kind of outdoor non-time difference double-power supply breaker 1, comprise vacuum circuit-breaker 11 and vacuum circuit-breaker 21, the bottom of vacuum circuit-breaker 11 and vacuum circuit-breaker 21 is fixed on the base 2, and be fixed together side by side, the casing 3 of double-power supply breaker airtight construction is installed outside base 2 and vacuum circuit-breaker 11 and vacuum circuit-breaker 21; Also comprise insulation column 12 and insulation column 22, insulation column 12 and insulation column 22 are positioned at the outside of casing 3, the bottom is respectively by being bolted to two sidewalls of casing 3, and and casing 3 in vacuum circuit-breaker 11, vacuum circuit-breakers 21 join, voltage transformer 13 wherein is installed between insulation column 12 and vacuum circuit-breaker 11 junctions, voltage transformer 23 is installed between insulation column 22 and vacuum circuit-breaker 21 junctions, between voltage transformer 13 and vacuum circuit-breaker 11, be electrically connected between voltage transformer 23 and the vacuum circuit-breaker 21.After the bottom of insulation column 12 being fixed on the side sidewall of casing 3, the front end of insulation column 12 and isolating switch structure 14 are joined, connect a-power supply by isolating switch mechanism 14, after in like manner the bottom of insulation column 22 being fixed on the side sidewall of casing 3, the front end of insulation column 22 and isolating switch structure 24 are joined, connect B-source by isolating switch mechanism 24, realize that the duplicate supply of circuit breaker inserts.
After vacuum circuit-breaker 11 and vacuum circuit-breaker 21 fixed placement are good, the upper end of vacuum circuit-breaker 11 and vacuum circuit-breaker 21 is by brace and three-phase integrated zero sequence current mutual inductor 4 electric connections, three-phase integrated zero sequence current mutual inductor 4 is installed in the inwall of casing 3 upper ends, fixing by bolt and casing 3, fixedlying connected with the leading-out terminal 5 of double-power supply breaker in the outside, inserts the duplicate supply of vacuum circuit-breaker this moment and can draw from leading-out terminal 5 through vacuum circuit-breaker 11 and vacuum circuit-breaker 21 backs respectively.
As Fig. 2, Fig. 3 and shown in Figure 4, also be included in the base 3 and brake separating mechanism 15 that vacuum circuit-breaker 11 machineries join, and and the brake separating mechanism 25 that joins of vacuum circuit-breaker 21 machineries, brake separating mechanism 15 is by 151 controls of separating brake handle, and brake separating mechanism 25 is by 251 controls of separating brake handle.Wherein brake separating mechanism 15 comprises switch spindle 152, outside switch spindle 152, be with tripping spring 153, auxiliary switch 154, spring mechanism 155, closing coil 156, switching winding 157 and overcurrent coil 158, in like manner brake separating mechanism 25 comprises switch spindle 252, outside switch spindle 252, be with tripping spring 253, auxiliary switch 254, spring mechanism 255, closing coil 256, switching winding 257 and overcurrent coil 258, reverse being placed in the base 3 mutually between brake separating mechanism 15 and the brake separating mechanism 25, between two ends of the switch spindle 252 of two ends of the switch spindle 152 of brake separating mechanism 15 and brake separating mechanism 25, interlock 6 is installed, by interlock 6 with brake separating mechanism 15 and brake separating mechanism 25 mechanical linking together, be used for when a-power supply does not have electricity controller with vacuum circuit-breaker 11 separating brakes, automatic switching is to B-source, by vacuum circuit-breaker 21 work, realize not having stably time difference switching, when a vacuum circuit-breaker "on" position, another vacuum circuit-breaker can not close a floodgate between this moment brake separating mechanism 15 and the brake separating mechanism 25.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. outdoor non-time difference double-power supply breaker, it is characterized in that: comprise vacuum circuit-breaker A and vacuum circuit-breaker B, described vacuum circuit-breaker A and vacuum circuit-breaker B are fixed together side by side by base;
Also comprise insulation column, described insulation column and vacuum circuit-breaker A, vacuum circuit-breaker B joins, at described insulation column and vacuum circuit-breaker A, voltage transformer A and voltage transformer B also are set between the B junction, between voltage transformer A and the vacuum circuit-breaker A, and be electrically connected between voltage transformer B and the vacuum circuit-breaker B, after described insulation column bottom is fixed on the sidewall of casing, front end and isolating switch structure are joined, connect a-power supply and B-source by isolating switch mechanism, upper end and three-phase integrated zero sequence current mutual inductor electric connection at described vacuum circuit-breaker A and vacuum circuit-breaker B, three-phase integrated zero sequence current mutual inductor is outside fixedlys connected with the leading-out terminal of double-power supply breaker, inserts the duplicate supply of vacuum circuit-breaker and draws from leading-out terminal;
Also comprise and being arranged in the base, the A brake separating mechanism that joins with vacuum circuit-breaker A machinery, and and the B brake separating mechanism that joins of vacuum circuit-breaker B machinery, described A brake separating mechanism is by the control of A separating brake handle, the B brake separating mechanism is by the control of B separating brake handle, the reverse setting mutually of described A brake separating mechanism and B brake separating mechanism, by two interlocks with described A brake separating mechanism with the B brake separating mechanism is mechanical links together, be used for when a-power supply does not have electricity controller with vacuum circuit-breaker A separating brake, automatic switching is worked by vacuum circuit-breaker B to B-source.
2. according to the described outdoor non-time difference double-power supply breaker of claim 1, it is characterized in that: described base, vacuum circuit-breaker A and vacuum circuit-breaker B install the double-power supply breaker casing outward.
3. according to the described outdoor non-time difference double-power supply breaker of claim 1, it is characterized in that: described insulation column is positioned at the outside of casing, and the bottom joins by sidewall and interior vacuum circuit-breaker A, the vacuum circuit-breaker B of casing that is bolted to casing.
4. according to the described outdoor non-time difference double-power supply breaker of claim 1, it is characterized in that: described three-phase integrated zero sequence current mutual inductor is arranged in the casing, and by bolt, fixedly connected with the leading-out terminal of double-power supply breaker in the outside.
5. according to the described outdoor non-time difference double-power supply breaker of claim 1, it is characterized in that: described switch spindle is with tripping spring, auxiliary switch, spring mechanism, closing coil, switching winding and overcurrent coil outward, connects interlock respectively at the place, two ends of described switch spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010131839 CN101800136A (en) | 2010-03-22 | 2010-03-22 | Non-time difference double-power supply breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010131839 CN101800136A (en) | 2010-03-22 | 2010-03-22 | Non-time difference double-power supply breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101800136A true CN101800136A (en) | 2010-08-11 |
Family
ID=42595762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010131839 Pending CN101800136A (en) | 2010-03-22 | 2010-03-22 | Non-time difference double-power supply breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101800136A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446652A (en) * | 2012-01-16 | 2012-05-09 | 西安西能电器新技术发展有限公司 | Vacuum circuit breaker on outdoor post |
| CN102789923A (en) * | 2011-05-20 | 2012-11-21 | 湖南丰日电源电气股份有限公司 | Vacuum circuit breaker on outdoor intelligent dual-loop column |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2348482Y (en) * | 1998-08-19 | 1999-11-10 | 沈阳黑龙高压电器有限公司 | Outdoor dry high-tension vacuum circuit breaker |
| CN2391296Y (en) * | 1999-09-07 | 2000-08-09 | 浙江华仪电器集团有限公司 | Outdoor high voltage vacuum circuit breaker |
| CN1945771A (en) * | 2006-10-29 | 2007-04-11 | 宝光集团有限公司 | Outdoor high voltage double power source vacuum breaker |
| CN101266894A (en) * | 2008-04-03 | 2008-09-17 | 黄勤飞 | An intelligent high-voltage dual power conversion switch |
| CN101383238A (en) * | 2008-04-29 | 2009-03-11 | 黄勤飞 | Intelligent duplicate power supply switching device |
-
2010
- 2010-03-22 CN CN 201010131839 patent/CN101800136A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2348482Y (en) * | 1998-08-19 | 1999-11-10 | 沈阳黑龙高压电器有限公司 | Outdoor dry high-tension vacuum circuit breaker |
| CN2391296Y (en) * | 1999-09-07 | 2000-08-09 | 浙江华仪电器集团有限公司 | Outdoor high voltage vacuum circuit breaker |
| CN1945771A (en) * | 2006-10-29 | 2007-04-11 | 宝光集团有限公司 | Outdoor high voltage double power source vacuum breaker |
| CN101266894A (en) * | 2008-04-03 | 2008-09-17 | 黄勤飞 | An intelligent high-voltage dual power conversion switch |
| CN101383238A (en) * | 2008-04-29 | 2009-03-11 | 黄勤飞 | Intelligent duplicate power supply switching device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789923A (en) * | 2011-05-20 | 2012-11-21 | 湖南丰日电源电气股份有限公司 | Vacuum circuit breaker on outdoor intelligent dual-loop column |
| CN102446652A (en) * | 2012-01-16 | 2012-05-09 | 西安西能电器新技术发展有限公司 | Vacuum circuit breaker on outdoor post |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1945771B (en) | Outdoor high voltage double power source vacuum breaker | |
| CN101728781B (en) | Solid isolated vacuum ring main unit | |
| CN201060794Y (en) | Vacuum breaker | |
| CN102280300A (en) | Touchable high-voltage breaker | |
| CN200969314Y (en) | Outdoor high-voltage duplicate power supply vacuum circuit breaker | |
| CN202042412U (en) | Touchable high-voltage circuit breaker | |
| CN206225875U (en) | A kind of solid insulated switchgear | |
| CN202333588U (en) | Armored AC metal-enclosed switchgear | |
| CN204966375U (en) | Vacuum circuit breaker on intelligence post | |
| CN101800136A (en) | Non-time difference double-power supply breaker | |
| CN201494329U (en) | Outdoor sealing type vacuum modular electrical appliance of electrical railway | |
| CN207117032U (en) | A kind of PT cabinets with disconnecting switch | |
| CN201674150U (en) | Cordwood system intelligent ring network cabinet | |
| CN205542572U (en) | Outdoor permanent magnetism high pressure vacuum circuit breaker of 12kV | |
| CN211958264U (en) | Switch cabinet electric interlocking loop system | |
| CN201484215U (en) | Outdoor sealed type 27.5kV vacuum modular electrical appliance of electrified railway | |
| CN201229892Y (en) | Intelligent high voltage dual power supply converting switch | |
| CN203813307U (en) | 126KV compact gas-insulated metal enclosed switchgear | |
| CN206931855U (en) | A kind of gas-filling cabinet wire inlet mechanism | |
| RU126521U1 (en) | MOBILE MODULAR TRANSFORMER COMPLETE SUBSTATION | |
| CN204905742U (en) | Middling pressure looped netowrk vacuum circuit breaker cabinet | |
| CN205265043U (en) | Dual power supply low -voltage switchgear | |
| CN103456573A (en) | Breaker and power distribution protection and control method thereof | |
| CN203387169U (en) | Vacuum circuit breaker type loop network cabinet | |
| CN212542266U (en) | Novel primary and secondary integrated on-column circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100811 |