CN105788952A - Protection apparatus and protection method for open-type air insulation vacuum circuit breaker - Google Patents
Protection apparatus and protection method for open-type air insulation vacuum circuit breaker Download PDFInfo
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- CN105788952A CN105788952A CN201410818595.1A CN201410818595A CN105788952A CN 105788952 A CN105788952 A CN 105788952A CN 201410818595 A CN201410818595 A CN 201410818595A CN 105788952 A CN105788952 A CN 105788952A
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- circuit breaker
- type air
- air insulation
- axle
- vacuum circuit
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Abstract
The invention relates to a protection apparatus and a protection method for an open-type air insulation vacuum circuit breaker. After the protection apparatus, currently used in China, for the vacuum circuit breaker is switched off, the air insulation is reduced, and the product air insulation level cannot be satisfied. The protection apparatus for the open-type air insulation vacuum circuit breaker comprises an upper bracket (1), wherein a through hole is formed in the upper bracket; a vacuum arc-extinguishing chamber (3) is mounted in the through hole; a disc spring (7) is mounted in the interior of the lower end of the vacuum arc-extinguishing chamber; an insulation pull rod (8) is arranged at the lower end of the disc spring; the insulation pull rod is connected with a transmission connecting lever (9) through a connecting shaft; a square groove is formed below the transmission connecting lever; the connecting shaft (22) is mounted in the square groove; the connecting shaft is connected with a switch-off spring (10); and the switch-off spring is connected with a box cover (20) through a bolt. The invention provides the protection apparatus for the open-type air insulation vacuum circuit breaker
Description
Technical field:
The present invention relates to a kind of open type air insulation vacuum circuit breaker protection device and the method carrying out protecting.
Background technology:
Current China uses vacuum circuit breaker protection device after cut-offfing, and air insulation declines, and does not reach product air insulation level.Development along with domestic vacuum technique, it is adaptable to cut off the vacuum switch of the particular/special requirements such as Capacitor banks, breaking current is being constantly updated,
Open type air insulation vacuum breaker device is possible not only to cut-off and close normal load operating current, can also cut-off and close rated short circuit current, therefore, open type air insulation vacuum circuit breaker is commonly used to coordinate excision fault loop overload or short circuit current automatically with the element such as relay, in primary system, the security isolation of obvious cut-off point when isolation switch coordinates as maintenance, safety ground protection when earthed switch is as maintenance, isolation switch, chopper, earthed switch is as the main element in primary circuit, its the normally off key of importance right and wrong, therefore, the insulation characterisitic of evacuated air becomes raising arc-chutes fracture voltage, make the difficult problem urgently to be resolved hurrily that single break evacuated air insulated circuit breakers develops to voltage levels.
Summary of the invention:
It is an object of the invention to provide a kind of open type air insulation vacuum circuit breaker protection device and the method carrying out protecting.
Above-mentioned purpose is realized by following technical scheme:
A kind of open type air insulation vacuum circuit breaker protection device; its composition includes: upper bracket; in described upper bracket, there is through hole; in described through hole, vacuum interrupter is installed; equipped with disc spring inside described vacuum interrupter lower end; described lower end is equipped with insulated tension pole; described insulated tension pole is connected with transmission crank arm by connecting axle; below described transmission crank arm, there is square groove; described square groove is equipped with connecting axle; described connection axle is connected with tripping spring, and described tripping spring is connected with case cover by bolt.
Described open type air insulation vacuum circuit breaker protection device, described transmission crank arm is connected with transmission connecting plate by connecting axle.Described transmission connecting plate is connected with spindle drive connecting lever by connecting axle, and described spindle drive connecting lever is connected with connecting rod by spline, and described connecting rod keeps pallet to be connected by connecting axle with closing a floodgate.
Described open type air insulation vacuum circuit breaker protection device, described combined floodgate keeps pallet to be connected with connecting plate by connecting axle, passes through to connect axle and be connected with a deciliter direction board plate in the middle part of described connecting plate.
Described open type air insulation vacuum circuit breaker protection device; described connecting plate is fitted along curve with cam, and described cam has hole, and described hole is built with semiaxis; described flank of cam is provided with manual brake separating push rod, and described manual brake separating push rod is installed below tripping electromagnet.
Described open type air insulation vacuum circuit breaker protection device; one side of described upper bracket has upper wire outlet seat; described upper bracket is connected with insulating cylinder; described insulating cylinder is connected with lower carriage; described lower carriage side has lower wire outlet seat, is connected with described case cover bottom described lower carriage.
A kind of open type air insulation vacuum circuit breaker is protected device and carries out the method protected, and the method comprises the steps:
First being to turn on outside separating brake power supply makes separating brake electrical apparatus release or overcurrent tripping electric magnet action make combined floodgate keep pallet to unlock with semiaxis and realize sub-switching operation, the energy stored with sluice separating spring by contact disc spring makes arc-chutes dynamic/static contact separate, at separating brake process back segment, hydraulic bjuffer absorb separating brake process dump energy and limit open position；
Pulled conjunction point direction board to demonstrate " dividing " labelling by connecting rod, pull enumerator, it is achieved rolling counters forward simultaneously, kinematic link pull master subswitch to switch；
In closing operation, press " combined floodgate " button with hands or remote operation makes making electromagnet action, energy storage can be made to keep axle to rotate, pallet is made to unclamp roller, switching-in spring shrinks the cam rotation simultaneously made on energy storage axle and axle by connecting lever, cam drives again linkage to drive insulated tension pole and moving contact to enter closing position compression contacts spring, contact pressure needed for maintenance contact；
After feed motion completes, closing a floodgate and keep pallet to keep closing position with semiaxis, energy storage direction board, energy storage auxiliary switch reset simultaneously, and motor current supply circuit is connected.If external power supply is also connected, being again introduced into energy storage state, connecting rod pulls conjunction point direction board, it is shown that the labelling of " conjunction ", kinematic link pulls master subswitch to switch over.
Beneficial effect:
1. the present invention mainly adopts open type air insulation vacuum circuit breaker, wherein vacuum circuit breaker have do not fire, the advantage such as not quick-fried, free from environmental pollution, safety and sanitation, usual maintenance workload is little, can save or reduce the material of maintenance, personnel, man-hour, be easy to operational management.
The evacuated air insulated circuit breakers failure rate is low of the present invention, maintenance is convenient, power off time is short, loss of outage is few, mechanical life length, affordable, be the current high pressure ideal element for power distribution equipment.
The open type live part of the present invention is completely exposed in atmosphere, and its dielectric level changes along with the humidity in air, dust and colliding with of transportation, not by the impact of the foreign bodies such as toy.
The present invention is to turn on outside separating brake power supply makes separating brake electrical apparatus release or overcurrent tripping electric magnet action make combined floodgate keep pallet to unlock with semiaxis and realize sub-switching operation, the energy stored with sluice separating spring by contact disc spring makes arc-chutes dynamic/static contact separate, at separating brake process back segment, hydraulic bjuffer absorb separating brake process dump energy and limit open position.
The present invention is pulled a conjunction point direction board to demonstrate " dividing " labelling by connecting rod, pulls enumerator, it is achieved rolling counters forward simultaneously, kinematic link pulls master subswitch to switch, this structural visual, simple and convenient, practical.
The present invention in closing operation, press " combined floodgate " button with hands or remote operation makes making electromagnet action, energy storage can be made to keep axle to rotate, pallet is made to unclamp roller, switching-in spring shrinks the cam rotation simultaneously made on energy storage axle and axle by connecting lever, cam drives again linkage to drive insulated tension pole and moving contact to enter closing position compression contacts spring, contact pressure needed for maintenance contact.
After feed motion of the present invention completes, closing a floodgate and keep pallet to keep closing position with semiaxis, energy storage direction board, energy storage auxiliary switch reset simultaneously, and motor current supply circuit is connected.If external power supply is also connected, being again introduced into energy storage state, connecting rod pulls conjunction point direction board, it is shown that the labelling of " conjunction ", kinematic link pulls master subswitch to switch over.
The insulating cylinder of the present invention is to be protected in epoxy resin sleeve by arc-chutes; but this sleeve is not wrapped electrification in high voltage part completely; the inside also can be subject to dust, moisture, insecticide etc. to affect; pole insulating capacity increases; pole spacing is reduced, is conducive to the miniaturization of air insulation release unit.
The present invention, as grid equipment, the protection of operating mode Motivation of enterprises equipment and control unit, due to the special superiority of evacuated air insulated circuit breakers device, is particularly suited for requirement frequent operation or repeatedly cut-offs the place of short circuit current.
The advantages such as the present invention has simple in construction, reliable in action, it is adaptable to the reclosing operation of various characteristics, it is possible to ensure product life-time service, it is simple to maintenance, and exchange performance is good simultaneously, highly versatile.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention.
Detailed description of the invention:
Embodiment 1:
A kind of open type air insulation vacuum circuit breaker protection device; its composition includes: upper bracket 1; in described upper bracket, there is through hole; vacuum interrupter 3 is installed in described through hole; equipped with disc spring 7 inside described vacuum interrupter lower end; described lower end is equipped with insulated tension pole 8; described insulated tension pole is connected with transmission crank arm 9 by connecting axle; below described transmission crank arm, there is square groove; described square groove is equipped with connecting axle 22; described connection axle is connected with tripping spring 10, and described tripping spring is connected with case cover 20 by bolt.
Embodiment 2:
Open type air insulation vacuum circuit breaker protection device described in embodiment 1, described transmission crank arm is connected with transmission connecting plate 11 by connecting axle.Described transmission connecting plate is connected with spindle drive connecting lever 12 by connecting axle, and described spindle drive connecting lever is connected with connecting rod 21 by spline, and described connecting rod keeps pallet 13 to be connected by connecting axle with closing a floodgate.
Embodiment 3:
Open type air insulation vacuum circuit breaker protection device described in embodiment 2, described combined floodgate keeps pallet to be connected with connecting plate 14 by connecting axle, passes through to connect axle and be connected with a deciliter direction board plate 19 in the middle part of described connecting plate.
Embodiment 4:
Open type air insulation vacuum circuit breaker protection device described in embodiment 3; described connecting plate is fitted along curve with cam 18; described cam has hole; described hole is built with semiaxis 16; described flank of cam is provided with manual brake separating push rod 17, and described manual brake separating push rod is installed below tripping electromagnet 15.
Embodiment 5:
Open type air insulation vacuum circuit breaker protection device described in embodiment 1; one side of described upper bracket has upper wire outlet seat 2; described upper bracket is connected with insulating cylinder 4; described insulating cylinder is connected with lower carriage 5; described lower carriage side has lower wire outlet seat 6, is connected with described case cover bottom described lower carriage.
Embodiment 6:
The method that a kind of open type air insulation vacuum circuit breaker protection device carries out protecting; first this method is to turn on outside separating brake power supply makes separating brake electrical apparatus release or overcurrent tripping electric magnet action make combined floodgate keep pallet to unlock with semiaxis and realize sub-switching operation; the energy stored with sluice separating spring by contact disc spring makes arc-chutes dynamic/static contact separate; at separating brake process back segment, hydraulic bjuffer absorb separating brake process dump energy and limit open position；
Pulled conjunction point direction board to demonstrate " dividing " labelling by connecting rod, pull enumerator, it is achieved rolling counters forward simultaneously, kinematic link pull master subswitch to switch；
In closing operation, press " combined floodgate " button with hands or remote operation makes making electromagnet action, energy storage can be made to keep axle to rotate, pallet is made to unclamp roller, switching-in spring shrinks the cam rotation simultaneously made on energy storage axle and axle by connecting lever, cam drives again linkage to drive insulated tension pole 33 and moving contact to enter closing position compression contacts spring, contact pressure needed for maintenance contact；
After feed motion completes, closing a floodgate and keep pallet to keep closing position with semiaxis, energy storage direction board, energy storage auxiliary switch reset simultaneously, and motor current supply circuit is connected.If external power supply is also connected, being again introduced into energy storage state, connecting rod pulls conjunction point direction board, it is shown that the labelling of " conjunction ", kinematic link pulls master subswitch to switch over.
Claims (6)
1. an open type air insulation vacuum circuit breaker protection device; its composition includes: upper bracket; it is characterized in that: in described upper bracket, there is through hole; in described through hole, vacuum interrupter is installed; equipped with disc spring inside described vacuum interrupter lower end; described lower end is equipped with insulated tension pole; described insulated tension pole is connected with transmission crank arm by connecting axle; below described transmission crank arm, there is square groove; described square groove is equipped with connecting axle; described connection axle is connected with tripping spring, and described tripping spring is connected with case cover by bolt.
2. open type air insulation vacuum circuit breaker according to claim 1 protection device; it is characterized in that: described transmission crank arm is connected with transmission connecting plate by connecting axle; described transmission connecting plate is connected with spindle drive connecting lever by connecting axle; described spindle drive connecting lever is connected with connecting rod by spline, and described connecting rod keeps pallet to be connected by connecting axle with closing a floodgate.
3. open type air insulation vacuum circuit breaker according to claim 2 protection device, is characterized in that: described combined floodgate keeps pallet to be connected with connecting plate by connecting axle, passes through to connect axle and be connected with a deciliter direction board plate in the middle part of described connecting plate.
4. open type air insulation vacuum circuit breaker according to claim 3 protection device; it is characterized in that: described connecting plate is fitted along curve with cam; described cam has hole; described hole is built with semiaxis; described flank of cam is provided with manual brake separating push rod, and described manual brake separating push rod is installed below tripping electromagnet.
5. open type air insulation vacuum circuit breaker according to claim 1 protection device; it is characterized in that: one side of described upper bracket has upper wire outlet seat; described upper bracket is connected with insulating cylinder; described insulating cylinder is connected with lower carriage; described lower carriage side has lower wire outlet seat, is connected with described case cover bottom described lower carriage.
6. the open type air insulation vacuum circuit breaker described in claim 1-5 protects device to carry out the method protected, and it is characterized in that: the method comprises the steps:
First being to turn on outside separating brake power supply makes separating brake electrical apparatus release or overcurrent tripping electric magnet action make combined floodgate keep pallet to unlock with semiaxis and realize sub-switching operation, the energy stored with sluice separating spring by contact disc spring makes arc-chutes dynamic/static contact separate, at separating brake process back segment, hydraulic bjuffer absorb separating brake process dump energy and limit open position；
Pulled conjunction point direction board to demonstrate " dividing " labelling by connecting rod, pull enumerator, it is achieved rolling counters forward simultaneously, kinematic link pull master subswitch to switch；
In closing operation, press " combined floodgate " button with hands or remote operation makes making electromagnet action, energy storage can be made to keep axle to rotate, pallet is made to unclamp roller, switching-in spring shrinks the cam rotation simultaneously made on energy storage axle and axle by connecting lever, cam drives again linkage to drive insulated tension pole 33 and moving contact to enter closing position compression contacts spring, contact pressure needed for maintenance contact；
After feed motion completes, close a floodgate and keep pallet to keep closing position with semiaxis, energy storage direction board, energy storage auxiliary switch reset simultaneously, motor current supply circuit is connected, if external power supply is also connected, it is again introduced into energy storage state, connecting rod pulls conjunction point direction board, it is shown that the labelling of " conjunction ", kinematic link pulls master subswitch to switch over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818595.1A CN105788952A (en) | 2014-12-25 | 2014-12-25 | Protection apparatus and protection method for open-type air insulation vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818595.1A CN105788952A (en) | 2014-12-25 | 2014-12-25 | Protection apparatus and protection method for open-type air insulation vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105788952A true CN105788952A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410818595.1A Withdrawn CN105788952A (en) | 2014-12-25 | 2014-12-25 | Protection apparatus and protection method for open-type air insulation vacuum circuit breaker |
Country Status (1)
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| CN (1) | CN105788952A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158501A (en) * | 2016-08-31 | 2016-11-23 | 陕西西高开关有限责任公司 | A kind of 35KV indoor-side device formula vacuum breaker device and method |
| CN107424866A (en) * | 2017-08-31 | 2017-12-01 | 淮南万泰电气有限公司 | A kind of vacuum high-pressure breaker and its method of work |
| CN116110741A (en) * | 2023-02-07 | 2023-05-12 | 泰安众诚自动化设备股份有限公司 | Mining high-voltage vacuum switch composite breaker |
-
2014
- 2014-12-25 CN CN201410818595.1A patent/CN105788952A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158501A (en) * | 2016-08-31 | 2016-11-23 | 陕西西高开关有限责任公司 | A kind of 35KV indoor-side device formula vacuum breaker device and method |
| CN107424866A (en) * | 2017-08-31 | 2017-12-01 | 淮南万泰电气有限公司 | A kind of vacuum high-pressure breaker and its method of work |
| CN116110741A (en) * | 2023-02-07 | 2023-05-12 | 泰安众诚自动化设备股份有限公司 | Mining high-voltage vacuum switch composite breaker |
| CN116110741B (en) * | 2023-02-07 | 2023-10-20 | 泰安众诚自动化设备股份有限公司 | Mining high-voltage vacuum switch composite breaker |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160720 |