CN104810174A - Switch cabinet circuit breaker closing knob locking device and switch cabinet group - Google Patents
Switch cabinet circuit breaker closing knob locking device and switch cabinet group Download PDFInfo
- Publication number
- CN104810174A CN104810174A CN201410035316.4A CN201410035316A CN104810174A CN 104810174 A CN104810174 A CN 104810174A CN 201410035316 A CN201410035316 A CN 201410035316A CN 104810174 A CN104810174 A CN 104810174A
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- desired location
- knob
- locking device
- combined floodgate
- 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.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 abstract 4
- 230000007812 deficiency Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
Landscapes
- Breakers (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a switch cabinet circuit breaker closing knob locking device and a switch cabinet group. The locking device comprises a base plate, a baffle plate, a locking component, and a follower. The base plate covers an operation panel, and is provided with openings in positions corresponding to the closing knob and an energy storage mechanism. The baffle plate is movably arranged on the base plate between a first setting position and a second setting position through a plurality of connectors. The locking component is arranged on the base plate and is used to lock the baffle plate when the baffle plate is in the second setting position. The follower is fixed to the energy storage mechanism. After the baffle plate is in the first setting position and the closing knob is rotated, the follower is driven by the energy storage mechanism to rotate, then stops rotation and blocks the baffle plate from moving to the second setting position. By fixing the follower to the energy storage mechanism and rotating the follower to the position for blocking the baffle plate, the locking component is enabled to lock the closing knob indirectly, and thus, the safety is increased.
Description
Technical field
The present invention relates to a kind of locking device and switch group of breaker closing knob of switch cubicle.
Background technology
At present, in field of power distribution, usually adopt duplicate supply even multiple feed scheme, during to ensure that fault occurs, can switch in time the power supply of load, to ensure the safety of power consumption equipment.But during in order to avoid power supply entering line, main power source and stand-by power supply are powered, and cause damage and the potential safety hazard of power consumption equipment simultaneously.Generally interlock in the end of incoming cables of duplicate supply or many power supplys, ensure to only have a road Power supply simultaneously.
Switch cubicle conventional at present, adapted handcart type vacuum circuit breaker, adopts the blocking function of circuit breaker, in order to reach the object of interlocking.But this locking relies on latching electromagnet to realize, must realize by electric operation, once locked loop break down as: latching electromagnet burns out, locking sensitive switch loosen, inserting terminal loosen etc. all there will be disabler, therefore there is great potential safety hazard.
In addition, in circuit breaker, on shrouding, setting program is locked (three lock two keys) in addition, a circuit breaker another circuit breaker when service position is made to be advanced to service position, this scheme empirical tests finds to there is larger deficiency, first, procedure lock is arranged on middle shrouding, if operator shakes unintentionally into propelling handle, program locking bar or the distortion of middle shrouding can be made, thus make circuit breaker be advanced to service position.Secondly, as a circuit breaker is advanced to service position, extracts key out as long as now rotated by procedure lock, still another circuit breaker can be advanced to service position.
And common fixed switching cabinet, be only on breaker closing button, add one piece of baffle plate, then add a lock, when lock is not opened, baffle plate blocks switch knob, thus cannot operate switch knob.This scheme weak point is, if this TV station circuit breaker is in "on" position, operator goes to carry out closing operation to another circuit breaker after can locking this lock.
Summary of the invention
The technical problem to be solved in the present invention is the defect in order to overcome fixed switching cabinet fail safe deficiency in prior art, the locking device of the breaker closing knob of the switch cubicle providing a kind of fail safe higher and switch group.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of locking device of breaker closing knob of switch cubicle, described switch cubicle is with a circuit breaker and a guidance panel, with combined floodgate knob and stored energy mechanism on described circuit breaker, its feature is, described locking device includes: a base plate, a baffle plate, a locking component and a follower;
Described base plate is covered on described guidance panel, and is respectively equipped with opening in the position of correspondence described combined floodgate knob and described stored energy mechanism;
Described baffle plate is arranged on described base plate, for stoping the rotation of described combined floodgate knob when described baffle plate moves to described second desired location by some connectors are movable between one first desired location and one second desired location;
Described locking component is arranged on described base plate, for when described baffle plate is positioned at described second desired location, locks described baffle plate;
Described follower and described stored energy mechanism fix, for be positioned at described first desired location at described baffle plate and combined floodgate knob rotate after, described follower stops after rotating under described stored energy mechanism drives, and stops that described baffle plate moves toward the direction of described second desired location.
That is, baffle plate slides between the first desired location and the second desired location, and when sliding into the second desired location, the rotation (to engage or similar means) of baffle plate restriction combined floodgate knob, now baffle plate locks by locking component.In contrast, during barrier slides to the first desired location, combined floodgate knob can be movable, after combined floodgate knob rotates (combined floodgate), the stored energy mechanism on corresponding circuit breaker can rotate, and stops after follower therefore can be driven to rotate, the movement of baffle plate toward the second desired location direction is stopped after follower stops, like this, as long as be in the state of combined floodgate, block just cannot move.
Preferably, described some connectors are some alignment pins be arranged on described base plate, and described baffle plate is provided with and is somely parallel to each other or is in the mounting hole on same straight line on the position of the described alignment pin of correspondence;
Position when described first desired location is the one end away from described combined floodgate knob on described barrier slides to described mounting hole;
Described second desired location is described barrier slides to the position during other end of described mounting hole.
That is, insert the mounting hole on baffle plate by the alignment pin on base plate, baffle plate can be slided along mounting hole.
Preferably, described base plate also offers opening respectively on the ground connection mouth of corresponding circuit breaker and the position of isolated port;
Described baffle plate is respectively arranged with a through hole on the position corresponding to described ground connection mouth and isolated port, is in communication with the outside for making described ground connection mouth and isolated port when described baffle plate moves to described second desired location.Herein, isolated port and ground connection mouth are the structure of prior art breaker in middle cabinet breaker, and the emphasis that non-invention is discussed, does not therefore repeat.
Preferably, described locking component includes a lock core, a dead bolt and a key;
What described lock core rotated is embedded at described base plate, and described dead bolt and described lock core are fixed;
Described dead bolt is used for stopping the movement of described baffle plate toward the direction of described first desired location when described lock core is in the lock state;
Described key is for removing the lock-out state of described lock core.
That is, after correct key injects lock core, movable lock core can be with to rotate, and lock core then drives dead bolt to rotate.When baffle plate is in the second desired location, dead bolt turns to and stops that baffle plate is behind the position of the first desired location direction movement, extracts key and namely completes locking to baffle plate.Under this state, rotate unless opened lock core with key, can not unlock.Meanwhile, baffle plate also limit the activity of combined floodgate knob, so cannot close a floodgate during locking.
Preferably, the handle of described combined floodgate knob is formed with at least one tangent plane, described baffle plate offers a breach, and described breach is used for when described baffle plate moves to described second desired location, engages described tangent plane to limit the activity of described combined floodgate knob.The concrete form of baffle plate restriction combined floodgate knob activity is set further, that is, by the activity of the breach restriction combined floodgate knob on the handle of breach engaging combined floodgate knob herein.
The present invention also provides a kind of switch group, it is the switch group of three lock two keys, and it comprises three switch cubicles, it is characterized in that, switch cubicle described in each has included circuit breaker as above and guidance panel, and the locking device of the breaker closing knob of switch cubicle as above.
Positive progressive effect of the present invention is: by fixed random moving part in stored energy mechanism, and turns to thereupon and stop the position of baffle plate, and sets locking component and indirectly lock combined floodgate knob, improves fail safe.
Accompanying drawing explanation
Fig. 1 is the locking device structural representation in the locked state of the breaker closing knob of the switch cubicle of present pre-ferred embodiments.
Fig. 2 is the structural representation of locking device under unlocked state of the breaker closing knob of the switch cubicle of present pre-ferred embodiments.
Fig. 3 is the stereogram of the switch cubicle of present pre-ferred embodiments.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
Fig. 1 is the locking device structural representation in the locked state of the breaker closing knob of the switch cubicle of the present embodiment, Fig. 2 is the structural representation of locking device under unlocked state of the breaker closing knob of the switch cubicle of the present embodiment, Fig. 3 is the stereogram of the switch cubicle of the present embodiment, as shown in Figures 1 to 3, the locking device of the breaker closing knob of the switch cubicle that the present embodiment relates to is arranged on a switch cubicle, this switch cubicle is with a circuit breaker and a guidance panel, with combined floodgate knob 3 and stored energy mechanism 71 on circuit breaker, locking device includes: base plate 8, baffle plate 1, locking component and follower 7.
Base plate 8 is covered on guidance panel, and is respectively equipped with opening in the position of correspondence combined floodgate knob 3 and stored energy mechanism 71.
Base plate 8 is provided with some alignment pins 11, the present embodiment is set to 3.Baffle plate 1 is provided with and is somely parallel to each other or is in the mounting hole 12 on same straight line on the position of corresponding alignment pin 11; Baffle plate 1, by alignment pin 11, base plate 8 slides between one first desired location and one second desired location, for stoping the rotation of combined floodgate knob 3 when baffle plate 1 moves to the second desired location.Above-mentioned first desired location be baffle plate 1 slide into away from combined floodgate knob 3 on mounting hole 12 one end time position; Second desired location is the position of baffle plate 1 when sliding into the other end of mounting hole 12.
In addition, baffle plate 1 is installed with a lockplate 2, lockplate 2 is provided with a concave indentation.The handle of combined floodgate knob 3 is formed with a tangent plane, the concave indentation on lockplate 2 is used for when baffle plate 1 moves to the second desired location, engages above-mentioned tangent plane to limit the activity of combined floodgate knob 3.
Locking component includes lock core 5, dead bolt 4 and key 6, for when baffle plate 1 is positioned at the second desired location, and locked flapper 1.Wherein, what lock core 5 rotated is embedded at base plate 8, and dead bolt 4 is fixed with lock core 5; Dead bolt 4 is for stopping the movement of baffle plate 1 toward the direction of the first desired location when lock core 5 is in the lock state; Key 6 is for removing the lock-out state of lock core 5.
Follower 7 and stored energy mechanism 71 fix, for being positioned at the first desired location at baffle plate 1 and after combined floodgate knob 3 rotation, stopping, and stop that baffle plate 1 moves toward the direction of the second desired location after follower 7 rotates under stored energy mechanism 71 drives.Because stored energy mechanism 71 belongs to commercially available conventional accessory of the prior art, do not repeat herein.
In addition, baffle plate 1 is integrated between stored energy mechanism 71 and combined floodgate knob 3 is provided with a lug boss 13, when locking component is in the lock state and baffle plate 1 is positioned at the second desired location, dead bolt 4 abuts the limit of lug boss 13 near combined floodgate knob 3, thus blocks the movement of baffle plate 1 toward the direction of the first desired location.On the other hand, when baffle plate 1 is positioned at the first desired location, and after combined floodgate knob 3 rotation combined floodgate, follower 7 abuts lug boss 13 another limit near stored energy mechanism 71, thus blocks the movement of baffle plate 1 toward the direction of the second desired location.
In addition, when baffle plate 1 is positioned at the first desired location, locking component is in unlock state, and the position of the dead bolt 4 when being in the lock state is occupied by lug boss 13, that is, lug boss 13 blocks the movement of dead bolt 4 to latched position when baffle plate 1 is positioned at the first desired location.So, key 6 when baffle plate 1 is positioned at the first desired location, and when combined floodgate knob 3 can freely rotate, cannot be extracted from lock core 5.
Further, base plate 8 also offers opening respectively on the ground connection mouth 81 of corresponding circuit breaker and the position of isolated port 82.Because the switch cubicle being provided with ground connection mouth and isolated port is commercially available device, do not repeat herein.
Baffle plate 1 is respectively arranged with a through hole on the position corresponding to ground connection mouth 81 and isolated port 82, is in communication with the outside for making ground connection mouth 81 and isolated port 82 when baffle plate 1 moves to the second desired location.
The present embodiment also relates to a pass group, and it is the switch group of three lock two keys, and it comprises three switch cubicles, and each switch cubicle includes upper described circuit breaker and guidance panel, and the locking device of the breaker closing knob of switch cubicle as above.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that this only illustrates, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection scope of the present invention.
Claims (6)
1. the locking device of the breaker closing knob of a switch cubicle, described switch cubicle is with a circuit breaker and a guidance panel, with combined floodgate knob and stored energy mechanism on described circuit breaker, it is characterized in that, described locking device includes: a base plate, a baffle plate, a locking component and a follower;
Described base plate is covered on described guidance panel, and is respectively equipped with opening in the position of correspondence described combined floodgate knob and described stored energy mechanism;
Described baffle plate is arranged on described base plate, for stoping the rotation of described combined floodgate knob when described baffle plate moves to described second desired location by some connectors are movable between one first desired location and one second desired location;
Described locking component is arranged on described base plate, for when described baffle plate is positioned at described second desired location, locks described baffle plate;
Described follower and described stored energy mechanism fix, for be positioned at described first desired location at described baffle plate and combined floodgate knob rotate after, described follower stops after rotating under described stored energy mechanism drives, and stops that described baffle plate moves toward the direction of described second desired location.
2. the locking device of the breaker closing knob of switch cubicle as claimed in claim 1, it is characterized in that, described some connectors are some alignment pins be arranged on described base plate, and described baffle plate is provided with and is somely parallel to each other or is in the mounting hole on same straight line on the position of the described alignment pin of correspondence;
Position when described first desired location is the one end away from described combined floodgate knob on described barrier slides to described mounting hole;
Described second desired location is described barrier slides to the position during other end of described mounting hole.
3. the locking device of the breaker closing knob of switch cubicle as claimed in claim 1, it is characterized in that, described base plate also offers opening respectively on the ground connection mouth of the described circuit breaker of correspondence and the position of isolated port;
Described baffle plate is respectively arranged with a through hole on the position corresponding to described ground connection mouth and isolated port, is in communication with the outside for making described ground connection mouth and isolated port when described baffle plate moves to described second desired location.
4. the locking device of the breaker closing knob of switch cubicle as claimed in claim 1, it is characterized in that, described locking component includes a lock core, a dead bolt and a key;
What described lock core rotated is embedded at described base plate, and described dead bolt and described lock core are fixed;
Described dead bolt is used for stopping the movement of described baffle plate toward the direction of described first desired location when described lock core is in the lock state;
Described key is for removing the lock-out state of described lock core.
5. the locking device of the breaker closing knob of switch cubicle as claimed in claim 1, it is characterized in that, the handle of described combined floodgate knob is formed with at least one tangent plane, described baffle plate offers a breach, described breach is used for when described baffle plate moves to described second desired location, engages described tangent plane to limit the activity of described combined floodgate knob.
6. a switch group, it is the switch group of three lock two keys, it comprises three switch cubicles, it is characterized in that, switch cubicle described in each has included circuit breaker as claimed in claim 1 and guidance panel, and the locking device of breaker closing knob as the switch cubicle in Claims 1 to 5 as described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410035316.4A CN104810174B (en) | 2014-01-24 | 2014-01-24 | Switch cabinet circuit breaker closing knob locking device and switch cabinet group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410035316.4A CN104810174B (en) | 2014-01-24 | 2014-01-24 | Switch cabinet circuit breaker closing knob locking device and switch cabinet group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104810174A true CN104810174A (en) | 2015-07-29 |
| CN104810174B CN104810174B (en) | 2017-04-19 |
Family
ID=53694932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410035316.4A Active CN104810174B (en) | 2014-01-24 | 2014-01-24 | Switch cabinet circuit breaker closing knob locking device and switch cabinet group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104810174B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513859A (en) * | 2016-01-21 | 2016-04-20 | 浙江临高电气实业有限公司 | Protective structure and switch cabinet with same |
| CN107086478A (en) * | 2017-06-22 | 2017-08-22 | 河南森源电气股份有限公司 | Switch cubicle |
| CN109494096A (en) * | 2018-12-30 | 2019-03-19 | 无锡双欢电气有限公司 | A kind of mechanical interlocking operating device of switchgear |
| CN113539706A (en) * | 2020-04-16 | 2021-10-22 | 领航产业技术研究院(山东)有限公司 | High-voltage power distribution cabinet switch structure |
| CN113692681A (en) * | 2019-06-28 | 2021-11-23 | Abb瑞士股份有限公司 | Device for an electrical apparatus, corresponding electrical apparatus, method for producing the device and use of the device |
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| CN202363375U (en) * | 2011-11-28 | 2012-08-01 | 中国振华集团华联无线电器材厂 | Breaker locking sheet structure |
| CN203351460U (en) * | 2013-06-24 | 2013-12-18 | 宁波舜利高压开关科技有限公司 | Anti-misoperation device of operation mechanism/machine |
| CN203706944U (en) * | 2014-01-24 | 2014-07-09 | 上海正昊电力科技有限公司 | Locking device of circuit breaker closing knob of switch cabinet and switch cabinet group |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2188619Y (en) * | 1994-04-05 | 1995-02-01 | 周德根 | Shaft type antitheft lock for vehicle |
| CN2935427Y (en) * | 2006-08-14 | 2007-08-15 | 河南森源电气股份有限公司 | Self-locking mechanism of rotary switch |
| CN201975288U (en) * | 2010-11-11 | 2011-09-14 | 中国西电电气股份有限公司 | Mechanical-electric interlocking device for operating mechanism |
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| CN203351460U (en) * | 2013-06-24 | 2013-12-18 | 宁波舜利高压开关科技有限公司 | Anti-misoperation device of operation mechanism/machine |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513859A (en) * | 2016-01-21 | 2016-04-20 | 浙江临高电气实业有限公司 | Protective structure and switch cabinet with same |
| CN105513859B (en) * | 2016-01-21 | 2018-06-15 | 浙江临高电气实业有限公司 | It is a kind of to protect structure and with its switchgear |
| CN107086478A (en) * | 2017-06-22 | 2017-08-22 | 河南森源电气股份有限公司 | Switch cubicle |
| CN107086478B (en) * | 2017-06-22 | 2024-06-18 | 河南森源电气股份有限公司 | Switch cabinet |
| CN109494096A (en) * | 2018-12-30 | 2019-03-19 | 无锡双欢电气有限公司 | A kind of mechanical interlocking operating device of switchgear |
| CN109494096B (en) * | 2018-12-30 | 2024-04-09 | 无锡双欢电气有限公司 | Mechanical interlocking operation device of switch cabinet |
| CN113692681A (en) * | 2019-06-28 | 2021-11-23 | Abb瑞士股份有限公司 | Device for an electrical apparatus, corresponding electrical apparatus, method for producing the device and use of the device |
| CN113692681B (en) * | 2019-06-28 | 2024-07-09 | Abb瑞士股份有限公司 | Device for an electrical apparatus, corresponding electrical apparatus, method for producing the device and use of the device |
| CN113539706A (en) * | 2020-04-16 | 2021-10-22 | 领航产业技术研究院(山东)有限公司 | High-voltage power distribution cabinet switch structure |
| CN113539706B (en) * | 2020-04-16 | 2022-05-13 | 领航产业技术研究院(山东)有限公司 | High-voltage power distribution cabinet switch structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104810174B (en) | 2017-04-19 |
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Inventor after: Wang Xiangdong Inventor before: Wang Adong |