CN103456573A - Breaker and power distribution protection and control method thereof - Google Patents
Breaker and power distribution protection and control method thereof Download PDFInfo
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- CN103456573A CN103456573A CN 201310399297 CN201310399297A CN103456573A CN 103456573 A CN103456573 A CN 103456573A CN 201310399297 CN201310399297 CN 201310399297 CN 201310399297 A CN201310399297 A CN 201310399297A CN 103456573 A CN103456573 A CN 103456573A
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- circuit breaker
- breaker
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Abstract
Disclosed are a breaker and a power distribution protection and control method of the breaker. Due to the shortcomings of the simple structure and the single function, an existing breaker cannot be suitable for outdoor high voltage switchgears and places such as the rural power network with frequent operations at the same time. The breaker comprises a base box (1), an insulation barrel (2) is connected to the upper portion of the base box, and a separation frame (3) is connected to one side face of the base box; a current inductor (4), an insulation pull rod (5) and an insulator (6) are installed at the upper portion of the separation frame; the other end of the current inductor, the other end of the insulation pull rod and the other end of the insulator are connected to a separation blade (7) at the same time; the middle of the insulation barrel is divided by a soft joint (8); a leading-out terminal wiring board (9) is connected to the top of the insulation barrel; an operating mechanism (10) is installed in the base box, an operation output shaft (11) of the operating mechanism is connected with a drive rod (12), and the drive rod is provided with a separating brake spring (13). The beaker and the power distribution protection and control method of the breaker are used for transformer substations and power distribution systems of industrial and mining enterprises.
Description
technical field:
the present invention relates to protection and the control method of a kind of circuit breaker and distribution thereof.
background technology:
at present, widely used spring mechanism of circuit breaker simple in structure, number of spare parts is few, there is no mechanical lock buckle and ancillary apparatus, the poor reliability of mechanical action, difficult in maintenance, the switching capability deficiency, useful life is short, and the shortcoming of function singleness simple in structure causes a circuit breaker not only not to be applicable to outdoor high voltage switchgear but also is applicable to the place of the frequent operations such as rural power grids.
summary of the invention:
the protection and the control method that the purpose of this invention is to provide a kind of circuit breaker and distribution thereof.
above-mentioned purpose realizes by following technical scheme:
a kind of circuit breaker, its composition comprises: the base case, described base upper box part connects insulating cylinder, side connects isolating frame, current transformer, insulated tension pole and insulator are installed in described isolating frame top, and the other end of described current transformer, insulated tension pole and insulator is connected in the isolation blade simultaneously; The middle part of described insulating cylinder is cut apart by flexible connection, and the top of described insulating cylinder connects the leading-out terminal terminal block; Operating mechanism is installed in described base case, and the actuating output shaft of described operating mechanism connects drive rod, and described drive rod is installed tripping spring.
described circuit breaker, described base case rear side is also installed manual deciliter handle, manual energy storage handle, deciliter pointer and connection plug.
described circuit breaker, position arc control device in described insulating cylinder, described vacuum interrupter has moving contact pressure spring and described flexible connection, and described flexible connection bottom connects quiet pressure spring, the top installation conductive clip of lifting one's head.
described circuit breaker, described current transformer connects the side of described flexible connection.
described circuit breaker, described insulator connects the end of incoming cables terminal block.
the protection of a kind of circuit breaker and distribution thereof and control method, the first, pull the draw ring of manual energy storage handle or utilize electric energy-stored mode to carry out energy storage; Second, during combined floodgate, pull the draw ring of manual deciliter handle or give mechanism's electric switch-on signal, the energy-stored spring be connected with the manual energy storage handle is released energy and the lead agency output shaft rotation, drive the upwards operation of moving contact pressure spring of vacuum interrupter by insulated tension pole, until the moving contact pressure spring contacts with fixed contact, and by operating mechanism, mechanism is closed a floodgate to keep "on" position, complete breaker switching-on operation; The 3rd, during separating brake, pull the draw ring of manual deciliter handle to the operating mechanism sub-gate signal, mechanism is closed a floodgate and keep removing, under the effect of fixed contact pressure spring and tripping spring, now mechanism's output shaft rotates backward, thereby drive the vacuum interrupter moving contact, moves downward to open position, completes the breaker open operation operation.
beneficial effect:
1. the installing two-phase of the inventive method circuit breaker or three-phase Outdoor Current Transformer, meet control, measurement and overcurrent protection requirement, and current transformer ratio has kind more than 50/5～630/5, and user Ke Yi actual conditions are selected.According to user's needs, can install isolating switch additional at the circuit breaker side, form ZW32-12G type combined electrical apparatus, making block switch uses, there is reliable mechanical interlocking between the isolating switch of this combined electrical apparatus and breaker body to prevent misoperation, should first isolating switch be closed a floodgate when power transmission, then make breaker closing; On the contrary, when the outage maintenance, first by breaker open operation, then by the isolating switch separating brake.
2. the base box structure of the inventive method design is simple, can, according to the requirement of electric power system power distribution automation, be circuit breaker automatic reclosecontroller or automatic sectional controller, as automatic circuit or sectionalizer use; Also configurable intelligent switch controller forms intelligent vacuum circuit breaker, and it has the syllogic current protection, the several functions such as zero-sequenceprotection, reclosing, fast tripping protection.It supports multiple kinds, allows to select multiple communication side work to form communication network, realizes distribution system four distant (remote control, remote signalling, remote measurement, remote regulating) function.The reason phase equipment of electric power system power distribution automation and intelligent engineering.
the accompanying drawing explanation:
accompanying drawing 1 is the contour structures schematic diagram of the circuit breaker that the present invention relates to.
accompanying drawing 2 is structural representations of the side of the circuit breaker that the present invention relates to.
accompanying drawing 3 is structural representations of the back of the circuit breaker that the present invention relates to.
embodiment:
embodiment 1:
a kind of circuit breaker, its composition comprises: base case 1, described base upper box part connects insulating cylinder 2, side connects isolating frame 3, current transformer 4, insulated tension pole 5 and insulator 6 are installed in described isolating frame top, and the other end of described current transformer, insulated tension pole and insulator is connected in isolation blade 7 simultaneously; The middle part of described insulating cylinder is cut apart by flexible connection 8, and the top of described insulating cylinder connects leading-out terminal terminal block 9; Operating mechanism 10 is installed in described base case, and the actuating output shaft 11 of described operating mechanism connects drive rod 12, and described drive rod is installed tripping spring 13.
described base case employing full-closed structure, good seal performance, contribute to improve moistureproof, the anti-performance of revealing, and is adapted to high temperature, humid region use.
described current transformer installing two-phase or three-phase Outdoor Current Transformer.
in described base case, the inrush phenomenon cancellation element is housed, not only can avoids the misoperation of shoving and causing, and when normal operation the overcurrent tripping coil not charged, thereby eliminated the misoperation that the release shake may cause.
embodiment 2:
the described circuit breaker of embodiment 1, described base case rear side is also installed manual deciliter handle 14, manual energy storage handle 15, deciliter pointer 16 and connection plug 17.
embodiment 3:
the described circuit breaker of embodiment 1 or 2, position arc control device in described insulating cylinder, described vacuum interrupter has moving contact pressure spring 18 and described flexible connection, and described flexible connection bottom connects quiet pressure spring 19, the top installation conductive clip 20 of lifting one's head.
embodiment 4:
the described circuit breaker of embodiment 1 or 2, described current transformer connects the side of described flexible connection.
embodiment 5:
the described circuit breaker of embodiment 1 or 2, described insulator connects end of incoming cables terminal block 21.
embodiment 6:
the protection of a kind of circuit breaker and distribution thereof and control method, the first, pull the draw ring of manual energy storage handle or utilize electric energy-stored mode to carry out energy storage; Second, during combined floodgate, pull the draw ring of manual deciliter handle or give mechanism's electric switch-on signal, the energy-stored spring be connected with the manual energy storage handle is released energy and the lead agency output shaft rotation, drive the upwards operation of moving contact pressure spring of vacuum interrupter by insulated tension pole, until the moving contact pressure spring contacts with fixed contact, and by operating mechanism, mechanism is closed a floodgate to keep "on" position, complete breaker switching-on operation; The 3rd, during separating brake, pull the draw ring of manual deciliter handle to the operating mechanism sub-gate signal, mechanism is closed a floodgate and keep removing, under the effect of fixed contact pressure spring and tripping spring, now mechanism's output shaft rotates backward, thereby drive the vacuum interrupter moving contact, moves downward to open position, completes the breaker open operation operation.
Claims (6)
1. a circuit breaker, its composition comprises: the base case, it is characterized in that: described base upper box part connects insulating cylinder, side connects isolating frame, current transformer, insulated tension pole and insulator are installed in described isolating frame top, and the other end of described current transformer, insulated tension pole and insulator is connected in the isolation blade simultaneously; The middle part of described insulating cylinder is cut apart by flexible connection, and the top of described insulating cylinder connects the leading-out terminal terminal block; Operating mechanism is installed in described base case, and the actuating output shaft of described operating mechanism connects drive rod, and described drive rod is installed tripping spring.
2. circuit breaker according to claim 1, it is characterized in that: described base case rear side is also installed manual deciliter handle, manual energy storage handle, deciliter pointer and connection plug.
3. circuit breaker according to claim 1 and 2, it is characterized in that: position arc control device in described insulating cylinder, described vacuum interrupter has moving contact pressure spring and described flexible connection, and described flexible connection bottom connects quiet pressure spring, the top installation conductive clip of lifting one's head.
4. circuit breaker according to claim 1 and 2, it is characterized in that: described current transformer connects the side of described flexible connection.
5. circuit breaker according to claim 1 and 2, is characterized in that: described insulator connection end of incoming cables terminal block.
6. the protection of a circuit breaker distribution system and control method is characterized in that: the first, and pull the draw ring of manual energy storage handle or utilize electric energy-stored mode to carry out energy storage; Second, during combined floodgate, pull the draw ring of manual deciliter handle or give mechanism's electric switch-on signal, the energy-stored spring be connected with the manual energy storage handle is released energy and the lead agency output shaft rotation, drive the upwards operation of moving contact pressure spring of vacuum interrupter by insulated tension pole, until the moving contact pressure spring contacts with fixed contact, and by operating mechanism, mechanism is closed a floodgate to keep "on" position, complete breaker switching-on operation; The 3rd, during separating brake, pull the draw ring of manual deciliter handle to the operating mechanism sub-gate signal, mechanism is closed a floodgate and keep removing, under the effect of fixed contact pressure spring and tripping spring, now mechanism's output shaft rotates backward, thereby drive the vacuum interrupter moving contact, moves downward to open position, completes the breaker open operation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310399297 CN103456573A (en) | 2013-09-05 | 2013-09-05 | Breaker and power distribution protection and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310399297 CN103456573A (en) | 2013-09-05 | 2013-09-05 | Breaker and power distribution protection and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103456573A true CN103456573A (en) | 2013-12-18 |
Family
ID=49738827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310399297 Withdrawn CN103456573A (en) | 2013-09-05 | 2013-09-05 | Breaker and power distribution protection and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103456573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538244A (en) * | 2015-01-27 | 2015-04-22 | 浙江群力电气有限公司 | Vacuum circuit breaker |
| CN108400054A (en) * | 2018-04-04 | 2018-08-14 | 广西配网电力技术有限公司 | A kind of outdoor vacuum circuit breaker control system |
-
2013
- 2013-09-05 CN CN 201310399297 patent/CN103456573A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538244A (en) * | 2015-01-27 | 2015-04-22 | 浙江群力电气有限公司 | Vacuum circuit breaker |
| CN108400054A (en) * | 2018-04-04 | 2018-08-14 | 广西配网电力技术有限公司 | A kind of outdoor vacuum circuit breaker control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20131218 |