CN203504040U - Anti-misoperation device of high voltage switch cabinet - Google Patents
Anti-misoperation device of high voltage switch cabinet Download PDFInfo
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- CN203504040U CN203504040U CN201320613985.6U CN201320613985U CN203504040U CN 203504040 U CN203504040 U CN 203504040U CN 201320613985 U CN201320613985 U CN 201320613985U CN 203504040 U CN203504040 U CN 203504040U
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- lock
- earthed switch
- handcart
- cabinet
- interlock
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Abstract
The utility model discloses an anti-misoperation device of a high voltage switch cabinet. Mechanical interlocking is realized between upper and lower level switch cabinets and between switch cabinets with the same level through installing five-prevention locks on a handcart and a grounding switch operating mechanism of a central-positioned handcart breaker of the high voltage switch cabinet. The device not only can be used independently, but also can be used by being combined with original electrical interlocking, thereby improving the reliability of interlocking, and effectively preventing security accidents caused by misoperation. The anti-misoperation device disclosed by the utility model has the beneficial effects that a function of preventing misoperation between the upper and lower level switch cabinets and between the switch cabinets with the same level is realized by using the mechanical interlocking, thereby avoiding failure of electrical interlocking caused by power-losing, environmental influences or quality factors. In addition, the anti-misoperation device of the high voltage switch cabinet is simple in structure, low in cost, reliable in performance and outstanding in effect.
Description
Technical field
The utility model relates to the anti-misoperation apparatus of high voltage electric equipment, specifically a kind of anti-misoperation apparatus of high-tension switch cabinet.
Background technology
High voltage electric equipment is in operation and maintenance process, and misoperation may cause serious security incident.To this, the < < of former Ministry of Energy issue prevents that electric misoperation device management regulation > > (No. (1990) 1110, energy security) from explicitly calling for: all high voltage electric equipments that likely causes misoperation, all should install error-proof device.Error-proof device should be realized following functions (being called for short five prevents): (one) prevents from dividing by mistake, closing by mistake circuit breaker; (2) prevent that on-load from drawing, closing isolating switch; (3) prevent from being with cable address splice grafting ground wiretap; (4) prevent that wiretap with ground from closing disconnector; (5) prevent mistakenly entering charged chamber.
Five anti-functions are the basic demands to high voltage electric equipment, for realizing this function, traditional technological means is: separate unit switch cubicle self adopts mechanical interlocking or electrical interlock or two kinds of interlock methods to merge and uses, and between the superior and the subordinate and switch cubicle at the same level, adopts electrical interlock.Between the superior and the subordinate and switch cubicle at the same level, adopt electrical interlock, reliability is poor, is mainly manifested in following several respects:
1, secondary circuit failure dead electricity, will directly cause the electrical interlock cannot release;
2, the Quadratic Finite Element device of realizing electrical interlock function is subject to the such environmental effects such as high temperature, condensation, can cause electrical interlock malfunctioning;
3, the Quadratic Finite Element device of realizing electrical interlock function, because sole mass reason breaks down, can cause electrical interlock malfunctioning.
As a kind of mandatory hard locking, the reliability of mechanical interlocking is apparently higher than electrical interlock.The 5.11st of GB3906-2006 < < 3.6kV～40.5kV ac metal closing switch gear and control appliance > > clearly stipulate: " in order to protect and convenient operation, between the different elements of equipment, should install interlocking.When design, should pay the utmost attention to mechanical interlocking ".
Utility model content
The purpose of this utility model is to provide a kind of anti-misoperation apparatus of high-tension switch cabinet, realizes the mechanical interlocking between the superior and the subordinate's switch cubicle.
The technical scheme that realizes the purpose of this utility model is as follows: a kind of anti-misoperation apparatus of high-tension switch cabinet, and described high-tension switch cabinet comprises two breaker cabinets that structure is identical, and one of them is higher level's breaker cabinet, and another is lead-in circuit breaker cabinet; Described breaker cabinet is provided with handcart type breaker and earthed switch, is also provided with interlock, and earthed switch is hinged to the connecting lever of interlock, and the operation slide plate of interlock is movably arranged on the chute of cabinet; Handcart lock is fixedly mounted on the handcart of handcart type breaker; Baffle plate has two orthogonal sides, is fixedly mounted on cabinet, is positioned at by handcart; When handcart moves in the situation of test position and handcart locking lock, the dead bolt of handcart lock stretches out from lock body, and a side of baffle plate stops that dead bolt can not move to service position handcart; In the situation that handcart lock is opened, the dead bolt of handcart lock is retracted into lock body, and handcart enters into service position, and another side of baffle plate stops that dead bolt makes the handcart lock can not locking; Earthed switch lock is fixedly mounted on cabinet, is positioned at by operation slide plate; When make grounding switch tripping and operation slide plate upward sliding by interlock after, and in the situation of earthed switch locking lock, the dead bolt of earthed switch lock stretches out from lock body, and bolt blocks operation slide plate makes it can not down sliding, stops and by interlock, earthed switch is closed a floodgate; In the situation that earthed switch lock is opened, the dead bolt of earthed switch lock is retracted into lock body, and after being made to operate slide plate down sliding and earthed switch and closed a floodgate by interlock, operation slide plate stops that the dead bolt of earthed switch lock makes the earthed switch lock can not locking; The handcart lock of higher level's breaker cabinet and the earthed switch lock of lead-in circuit breaker dispose first key jointly, and the earthed switch lock of higher level's breaker cabinet and the handcart lock of lead-in circuit breaker dispose second key jointly; The mechanical interlocking that the model that described handcart lock and earthed switch lock select the safe international corporation of Castell to produce is K-FSB-6.4-1; The interlocking device of ground switch operating mechanism that the model that described interlock selects Jiangshan Senyuan Electronic Co., Ltd. to produce is 5XS.577.1002.1.
Further, high-tension switch cabinet also comprises a busbar grounding and PT cabinet (busbar grounding and voltage transformer cabinet): be provided with earthed switch, also be provided with interlock, earthed switch is hinged to the connecting lever of interlock, and the operation slide plate of interlock is movably arranged on the chute of cabinet; Earthed switch lock is fixedly mounted on cabinet, is positioned at by operation slide plate; When make grounding switch tripping and operation slide plate upward sliding by interlock after, and in the situation of earthed switch locking lock, the dead bolt of earthed switch lock stretches out from lock body, and bolt blocks operation slide plate makes it can not down sliding, stops and by interlock, earthed switch is closed a floodgate; In the situation that earthed switch lock is opened, the dead bolt of earthed switch lock is retracted into lock body, and after being made to operate slide plate down sliding and earthed switch and closed a floodgate by interlock, operation slide plate stops that the dead bolt of earthed switch lock makes the earthed switch lock can not locking; The key of the earthed switch lock configuration of described busbar grounding and PT cabinet is the second key; The mechanical interlocking that the model that described earthed switch lock selects the safe international corporation of Castell to produce is K-FSB-6.4-1; The interlocking device of ground switch operating mechanism that the model that described interlock selects Jiangshan Senyuan Electronic Co., Ltd. to produce is 5XS.577.1002.1.
In the utility model, higher level's breaker cabinet is used to the lead-in circuit breaker cabinet of subordinate to carry primary power source, and the primary power source that the lead-in circuit breaker cabinet of subordinate is used for receiving higher level's breaker cabinet and provides is also this section of bus and PT cabinet and feeder cabinet power supply.The superior and the subordinate's anti-misoperation basic demand is: the handcart circuit breaker of higher level's breaker cabinet enters behind service position, forbids that the earthed switch of the lead-in circuit breaker cabinet of subordinate closes a floodgate; The earthed switch of the lead-in circuit breaker cabinet of subordinate, under "on" position, forbids that the handcart type breaker of higher level's breaker cabinet enters service position.Busbar grounding and PT cabinet are used for measuring this section of primary circuit voltage, for this section of second protection provides secondary voltage, absorb this section of overvoltage, and the busbar grounding in main bus bar when maintenance.Anti-misoperation basic demand at the same level is: the handcart type breaker of this section of lead-in circuit breaker cabinet, after entering service position, forbids that the earthed switch of busbar grounding and PT cabinet closes a floodgate.The utility model has adopted the mode at higher level's breaker cabinet, lead-in circuit breaker cabinet and busbar grounding and PT cabinet make-up machinery interlocking to reach above-mentioned fool proof requirement.Model is the mechanical interlocking of K-FSB-6.4-1, and two locks or many locks only configure a key, and uses after key operated wherein any lock, and key can not be pulled out, and only has after locking, just can extract key and remove out other lock.In addition, the handcart type breaker of same breaker cabinet inside and the interlocking between earthed switch, the interlocking of earthed switch and cable vault's door-plate, all realizes by interlocking device of ground switch operating mechanism.
Technique effect of the present utility model is: utilize mechanical interlocking to realize the anti-misoperation function between the switch cubicle of the superior and the subordinate's switch cubicle and peer, avoided electrical interlock because of dead electricity, environmental impact or cause for quality cause malfunctioning, and simple in structure, cost is low, dependable performance, remarkably productive.The utility model device both can be used separately, also can merge and use with original electrical interlock, thereby improve the reliability of interlocking, and effectively prevented the security incident causing because of misoperation.
Accompanying drawing explanation
Fig. 1 is the front view of breaker cabinet of the present utility model.
Fig. 2 is the left view of breaker cabinet of the present utility model.
Fig. 3 is that handcart of the present utility model is locked in the schematic diagram under blocking.
Fig. 4 is that handcart of the present utility model is locked in the schematic diagram under opening.
Fig. 5 is that earthed switch of the present utility model is locked in the schematic diagram under blocking.
Fig. 6 is that earthed switch of the present utility model is locked in the schematic diagram under opening.
1-breaker cabinet, 2-handcart lock, 3-operation slide plate, 4-earthed switch lock, 5-earthed switch, 6-baffle plate, 7-interlock, 8-key, 9-handcart.
Embodiment
As shown in Figure 1, Figure 2, Fig. 1 shows the position of breaker cabinet left-hand seat lock 2, operation slide plate 3 and earthed switch lock 4, and Fig. 2 shows the annexation of each parts.Higher level's breaker cabinet is identical with the structure of lead-in circuit breaker cabinet.Breaker cabinet 1 is provided with handcart type breaker and earthed switch 5, is also provided with interlock 7, and earthed switch 5 is hinged to the connecting lever of interlock 7, and the operation slide plate 3 of interlock 7 is movably arranged on the chute of cabinet; Handcart lock 2 is fixedly connected on the handcart 9 of handcart type breaker; Baffle plate 6 has two orthogonal sides, is fixedly mounted on cabinet, is positioned at handcart 9 other; Earthed switch lock 4 is fixedly mounted on cabinet, is positioned at operation slide plate 3 other.Fig. 3 shows and moves to test position and handcart is locked in the situation of 2 lockings when handcart 9, and the dead bolt of handcart lock 2 stretches out from lock body, and a side of baffle plate 6 stops that dead bolt can not move to service position handcart; Fig. 4 shows in the situations that handcart lock 2 is opened, and the dead bolt of handcart lock 2 is retracted into lock body, and handcart 9 enters into service position, and another side of baffle plate 6 stops that dead bolt makes the handcart lock 2 can not locking; Now key 8 can not be removed.Fig. 5 shows when make earthed switch 5 separating brakes and operation slide plate 3 upward slidings by interlock 7 after, and earthed switch is locked in the situation of 4 lockings, the dead bolt of earthed switch lock 4 stretches out from lock body, bolt blocks operation slide plate 3 makes it can not down sliding, stops by interlock 7 earthed switch 5 is closed a floodgate; Fig. 6 shows in the situation that earthed switch lock 4 is opened, the dead bolt of earthed switch lock 4 is retracted into lock body, by interlock 7, make to operate after slide plate 3 down slidings and earthed switch 5 combined floodgates, operation slide plate 3 stops that the dead bolt of earthed switch lock 4 makes the earthed switch lock 4 can not locking, and now key 8 can not be removed.
The a set of mechanical interlocking of the common configuration of earthed switch lock of the handcart lock of higher level's breaker cabinet and lead-in circuit breaker cabinet, comprise two lock bodies and a key (the first key), the another set of mechanical interlocking of the common configuration of handcart lock of the earthed switch lock of higher level's breaker cabinet and lead-in circuit breaker cabinet, comprises two lock bodies and a key (the second key).
Busbar grounding and PT cabinet only arrange earthed switch lock, and its mounting structure and higher level's breaker cabinet and lead-in circuit breaker cabinet are identical.The earthed switch lock of busbar grounding and PT cabinet, should, with the earthed switch lock of higher level's breaker cabinet, the handcart lock of lead-in circuit breaker cabinet configures a set of mechanical interlocking jointly, comprise three lock bodies and a key (the second key).
The concrete use procedure of anti-misoperation apparatus is as follows:
A, power-off maintenance implementation step:
1, the handcart type breaker separating brake of lead-in circuit breaker cabinet, handcart retreats to test position by service position;
2, the handcart type breaker separating brake of higher level's breaker cabinet, handcart retreats to test position by service position;
3, as overhauled higher level's breaker cabinet, carry out following steps: the handcart lock of locking lead-in circuit breaker cabinet, make the handcart of lead-in circuit breaker cabinet be locked in test position, cannot push service position, take out the second key, open the earthed switch lock of higher level's breaker cabinet, the dead bolt of earthed switch lock is retracted in lock body, then push slide plate, closes a floodgate earthed switch by interlock.Now operate the dead bolt that slide plate has blocked earthed switch lock, earthed switch lock cannot locking and is taken out key;
4, as overhauled this section of main bus bar, carry out following steps: the handcart lock of locking lead-in circuit breaker cabinet, make the handcart of lead-in circuit breaker cabinet be locked in test position, cannot push service position, take out the second key, open the earthed switch lock of busbar grounding and PT cabinet, the dead bolt of earthed switch lock is retracted in lock body, then push slide plate, closes a floodgate earthed switch by interlock.Now operate the dead bolt that slide plate has blocked earthed switch lock, earthed switch lock cannot locking and is taken out key;
5, as overhauled lead-in circuit breaker cabinet, carry out following steps: the handcart lock of locking higher level breaker cabinet, make the handcart of higher level's breaker cabinet be locked in test position, cannot push service position, take out the first key, open the earthed switch lock of lead-in circuit breaker cabinet, the dead bolt of earthed switch lock is retracted in lock body, then push slide plate, closes a floodgate earthed switch by interlock.Now operate the dead bolt that slide plate has blocked earthed switch lock, earthed switch lock cannot locking and is taken out key.
Implementation step puts into operation after B, maintenance:
1, by interlock, make grounding switch tripping, after operation slide plate upward sliding, locking earthed switch lock, the dead bolt that earthed switch is locked stretches out and stops operation slide plate, takes out the first key, opens the handcart lock of higher level's breaker cabinet;
2, by interlock, make grounding switch tripping, after operation slide plate upward sliding, locking earthed switch lock, the dead bolt that earthed switch is locked stretches out and stops operation slide plate, takes out the second key, opens the handcart lock of lead-in circuit breaker cabinet;
3, the handcart of higher level's breaker cabinet pushes service position by test position, and handcart type breaker closes a floodgate;
4, the handcart of lead-in circuit breaker cabinet pushes service position by test position, and handcart type breaker closes a floodgate;
Claims (2)
1. an anti-misoperation apparatus for high-tension switch cabinet, described high-tension switch cabinet comprises two breaker cabinets that structure is identical, and one of them is higher level's breaker cabinet, and another is lead-in circuit breaker cabinet; Described breaker cabinet (1) is provided with handcart type breaker and earthed switch (5), also be provided with interlock (7), earthed switch (5) is hinged to the connecting lever of interlock (7), and the operation slide plate (3) of interlock (7) is movably arranged on the chute of cabinet; It is characterized in that, handcart lock (2) is fixedly mounted on the handcart (9) of handcart type breaker; Baffle plate (6) has two orthogonal sides, is fixedly mounted on cabinet, is positioned at handcart (9) other; When handcart (9) moves in the situation of test position and (2) locking of handcart lock, the dead bolt of handcart lock (2) stretches out from lock body, and a side of baffle plate (6) stops that dead bolt can not move to service position handcart; In the situation that handcart lock (2) is opened, the dead bolt of handcart lock (2) is retracted into lock body, and handcart (9) enters into service position, and another side of baffle plate (6) stops that dead bolt makes the handcart lock (2) can not locking; Earthed switch lock (4) is fixedly mounted on cabinet, is positioned at operation slide plate (3) other; When make earthed switch (5) separating brake and operation slide plate (3) upward sliding by interlock (7) after, and in the situation of earthed switch lock (4) locking, the dead bolt of earthed switch lock (4) stretches out from lock body, bolt blocks operation slide plate (3) makes it can not down sliding, stops by interlock (7) and makes earthed switch (5) combined floodgate; In the situation that earthed switch lock (4) is opened, the dead bolt of earthed switch lock (4) is retracted into lock body, after being made to operate slide plate (3) down sliding and earthed switch (5) and closed a floodgate by interlock (7), operation slide plate (3) stops that the dead bolt of earthed switch lock (4) makes the earthed switch lock (4) can not locking; The handcart lock of higher level's breaker cabinet and the earthed switch lock of lead-in circuit breaker dispose first key jointly, and the earthed switch lock of higher level's breaker cabinet and the handcart lock of lead-in circuit breaker dispose second key jointly; The mechanical interlocking that the model that described handcart lock and earthed switch lock select the safe international corporation of Castell to produce is K-FSB-6.4-1; The interlocking device of ground switch operating mechanism that the model that described interlock selects Jiangshan Senyuan Electronic Co., Ltd. to produce is 5XS.577.1002.1.
2. the anti-misoperation apparatus of high-tension switch cabinet as claimed in claim 1, it is characterized in that, described high-tension switch cabinet also comprises a busbar grounding and PT cabinet: be provided with earthed switch, also be provided with interlock, earthed switch is hinged to the connecting lever of interlock, and the operation slide plate of interlock is movably arranged on the chute of cabinet; Earthed switch lock is fixedly mounted on cabinet, is positioned at by operation slide plate; When make grounding switch tripping and operation slide plate upward sliding by interlock after, and in the situation of earthed switch locking lock, the dead bolt of earthed switch lock stretches out from lock body, and bolt blocks operation slide plate makes it can not down sliding, stops and by interlock, earthed switch is closed a floodgate; In the situation that earthed switch lock is opened, the dead bolt of earthed switch lock is retracted into lock body, and after being made to operate slide plate down sliding and earthed switch and closed a floodgate by interlock, operation slide plate stops that the dead bolt of earthed switch lock makes the earthed switch lock can not locking; The key of the earthed switch lock configuration of described busbar grounding and PT cabinet is the second key; The mechanical interlocking that the model that described earthed switch lock selects the safe international corporation of Castell to produce is K-FSB-6.4-1; The interlocking device of ground switch operating mechanism that the model that described interlock selects Jiangshan Senyuan Electronic Co., Ltd. to produce is 5XS.577.1002.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613985.6U CN203504040U (en) | 2013-09-30 | 2013-09-30 | Anti-misoperation device of high voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320613985.6U CN203504040U (en) | 2013-09-30 | 2013-09-30 | Anti-misoperation device of high voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504040U true CN203504040U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320613985.6U Withdrawn - After Issue CN203504040U (en) | 2013-09-30 | 2013-09-30 | Anti-misoperation device of high voltage switch cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN203504040U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490320A (en) * | 2013-09-30 | 2014-01-01 | 成都通力集团股份有限公司 | Misoperation prevention device of high-voltage switch cabinet |
| CN103944093A (en) * | 2014-04-02 | 2014-07-23 | 常熟永明电气有限公司 | Mechanical interlocking plant of measuring cabinet, PT cabinet and main cabinet |
| CN105370108A (en) * | 2015-10-30 | 2016-03-02 | 长园共创电力安全技术股份有限公司 | Intelligent door lock |
| CN107086479A (en) * | 2017-06-22 | 2017-08-22 | 河南森源电气股份有限公司 | Handcart circuit breaker and its interlocking limit self device and handcart type combined electrical device |
| CN108418132A (en) * | 2018-03-29 | 2018-08-17 | 福建省三星电气股份有限公司 | The anti-misoperation apparatus of high-tension switch cabinet |
-
2013
- 2013-09-30 CN CN201320613985.6U patent/CN203504040U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490320A (en) * | 2013-09-30 | 2014-01-01 | 成都通力集团股份有限公司 | Misoperation prevention device of high-voltage switch cabinet |
| CN103490320B (en) * | 2013-09-30 | 2015-08-19 | 成都通力集团股份有限公司 | The anti-misoperation apparatus of high-tension switch cabinet |
| CN103944093A (en) * | 2014-04-02 | 2014-07-23 | 常熟永明电气有限公司 | Mechanical interlocking plant of measuring cabinet, PT cabinet and main cabinet |
| CN103944093B (en) * | 2014-04-02 | 2016-04-20 | 常熟永明电气有限公司 | The mechanical interlocking of metering cabinet and PT cabinet, always cabinet |
| CN105370108A (en) * | 2015-10-30 | 2016-03-02 | 长园共创电力安全技术股份有限公司 | Intelligent door lock |
| CN105370108B (en) * | 2015-10-30 | 2017-11-03 | 长园共创电力安全技术股份有限公司 | Intelligent door lock |
| CN107086479A (en) * | 2017-06-22 | 2017-08-22 | 河南森源电气股份有限公司 | Handcart circuit breaker and its interlocking limit self device and handcart type combined electrical device |
| CN107086479B (en) * | 2017-06-22 | 2023-09-19 | 河南森源电气股份有限公司 | Handcart circuit breaker, interlocking limit self-locking device thereof and handcart type combined electrical appliance |
| CN108418132A (en) * | 2018-03-29 | 2018-08-17 | 福建省三星电气股份有限公司 | The anti-misoperation apparatus of high-tension switch cabinet |
| CN108418132B (en) * | 2018-03-29 | 2019-10-01 | 福建省三星电气股份有限公司 | The anti-misoperation apparatus of high-tension switch cabinet |
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