CN105047452A - Switch cabinet grounding interlocking apparatus - Google Patents

Switch cabinet grounding interlocking apparatus Download PDF

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Publication number
CN105047452A
CN105047452A CN201510245377.8A CN201510245377A CN105047452A CN 105047452 A CN105047452 A CN 105047452A CN 201510245377 A CN201510245377 A CN 201510245377A CN 105047452 A CN105047452 A CN 105047452A
Authority
CN
China
Prior art keywords
load
switch
grounding
rotating shaft
ground connection
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
Application number
CN201510245377.8A
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Chinese (zh)
Other versions
CN105047452B (en
Inventor
凌斯
章涛
陈均
章鸣
林有德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG LINGAO ELECTRICAL INDUSTRIAL Co Ltd
Original Assignee
ZHEJIANG LINGAO ELECTRICAL INDUSTRIAL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG LINGAO ELECTRICAL INDUSTRIAL Co Ltd filed Critical ZHEJIANG LINGAO ELECTRICAL INDUSTRIAL Co Ltd
Priority to CN201510245377.8A priority Critical patent/CN105047452B/en
Publication of CN105047452A publication Critical patent/CN105047452A/en
Application granted granted Critical
Publication of CN105047452B publication Critical patent/CN105047452B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/22Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/26Interlocking, locking, or latching mechanisms for interlocking two or more switches

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The invention discloses a switch cabinet grounding interlocking apparatus which comprises a cabinet body and a cabinet door. A high-voltage live-line display, a mechanical interlocking sheet and a passive forced locking device are arranged on the cabinet door. A resetting button is arranged on the passive forced locking device. An isolating switch, a load switch and a grounding switch are arranged inside the cabinet body. The isolating switch comprises an isolating opening/closing spring mechanism, and a static contact and an isolating operation board both arranged inside the body through an installing frame. The load switch comprises a vacuum explosion chamber, an opening/closing operating mechanism and a load operation board arranged inside the cabinet body through an installing frame. The grounding switch comprises a grounding contact, a grounding contact knife, a grounding opening/closing spring mechanism and a grounding operation board arranged inside the cabinet body through an installing frame. The grounding contact knife is arranged on the installing frame through a grounding rotating shaft. A grounding rotary plate is arranged on the grounding rotating shaft. A grounding link rod is arranged between the grounding operation board and the grounding rotary plate. The apparatus which is practical has the beneficial effects of low production cost, convenient use, safe operation and wide application range.

Description

A kind of switch-cabinet grounding interlock
Technical field
The present invention relates to a kind of control box arrangement, particularly a kind of switch-cabinet grounding interlock.
Background technology
In order to control Electrical Safety, convenience, all switch cubicle can be used.
Existing switch cubicle, structure is simple, uses middlely to there is potential safety hazard in the majority, and uses convenient not, and the scope of application is little.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of switch-cabinet grounding interlock.
To achieve these goals, the measure taked of the present invention:
A kind of switch-cabinet grounding interlock, comprise cabinet and cabinet door, described cabinet door is provided with high-voltage charge display device, mechanical interlocking sheet and passive enforced lock-out device, passive enforced lock-out device is provided with reset button, in cabinet, isolating switch is installed, on-load switch and earthed switch, isolating switch comprises isolation divide-shut brake spring mechanism, fixed contact in cabinet and isolated operation dish is arranged on by installing rack, isolation divide-shut brake spring mechanism comprises the isolation contact knife installed by isolation connecting lever and isolated insulation pull bar, isolation connecting lever is connected with isolation rotating disk by isolation rotating shaft, install between isolation rotating disk and isolated operation dish and be connected with isolation link rod, on-load switch comprises the vacuum interrupter be arranged on by installing rack in cabinet, opening/closing operation mechanism and load operation dish, vacuum interrupter is connected with guide post, guide post is connected on isolation contact knife by the wire that is flexible coupling, guide post is connected with load insulating draw bar by the first load connecting lever, load insulating draw bar is arranged on installing rack by the second load connecting lever and the second load rotating shaft, second load rotating shaft is connected to the first load rotating shaft by opening/closing operation mechanism, first load rotating shaft is provided with load rotating disk, load link rod is installed between load rotating disk and load operation dish, be provided with to isolate between first load rotating shaft and isolation rotating shaft and interlock, earthed switch comprises the grounding contact be arranged on by installing rack in cabinet, ground connection contact knife, ground connection divide-shut brake spring mechanism and ground connection operation board, ground connection contact knife is arranged on installing rack by ground connection rotating shaft, ground connection rotating shaft is provided with ground connection rotating disk, ground connection link rod is installed between ground connection operation board and ground connection rotating disk, between ground connection rotating shaft and isolation rotating shaft, ground connection interlocking is installed.
Installed by gemel connection between described cabinet and cabinet door;
Described passive enforced lock-out device is configured with locking device key of unblanking;
Described isolating switch and on-load switch are arranged on same installing rack;
Described cabinet door offers the handle hole of disconnecting switch operation, on-load switch and earthed switch.
Beneficial effect of the present invention: practical, structure is simple, and production cost is low, easy to use, and handling safety is applied widely.
Accompanying drawing explanation
Fig. 1, internal structure schematic diagram of the present invention.
Fig. 2, isolating switch of the present invention and on-load switch side structure schematic diagram.
Fig. 3, isolating switch of the present invention and on-load switch Facad structure schematic diagram.
Fig. 4, earthed switch side structure schematic diagram of the present invention.
Fig. 5, earthed switch Facad structure schematic diagram of the present invention.
Fig. 6, Key structure schematic diagram of unblanking of the present invention.
Fig. 7, passive enforced lock-out device structural representation of the present invention.
Embodiment
A kind of switch-cabinet grounding interlock, comprise cabinet 99 and cabinet door 1, described cabinet door 1 is provided with high-voltage charge display device 2, mechanical interlocking sheet 3 and passive enforced lock-out device 4, passive enforced lock-out device 4 is provided with reset button 4-1, isolating switch 6 is installed in cabinet 99, on-load switch 7 and earthed switch 8, isolating switch 6 comprises isolation divide-shut brake spring mechanism, fixed contact 6-5 in cabinet 99 and isolated operation dish 6-1 is arranged on by installing rack, isolation divide-shut brake spring mechanism comprises the isolation contact knife 6-3 installed by isolation connecting lever 6-6 and isolated insulation pull bar 6-4, isolation connecting lever 6-6 is connected with isolation rotating disk 6-8 by isolation rotating shaft 6-9, install to be connected with between isolation rotating disk 6-8 and isolated operation dish 6-1 and isolate link rod 6-2, on-load switch 7 comprises the vacuum interrupter 7-3 be arranged on by installing rack in cabinet 99, opening/closing operation mechanism 7-10 and load operation dish 7-1, vacuum interrupter 7-3 is connected with guide post 7-4, guide post 7-4 is connected on isolation contact knife 6-3 by the wire that is flexible coupling, guide post 7-4 is connected with load insulating draw bar 7-8 by the first load connecting lever 7-7, load insulating draw bar 7-8 is arranged on installing rack by the second load connecting lever and the second load rotating shaft 7-12, second load rotating shaft 7-12 is connected to the first load rotating shaft 7-11 by opening/closing operation mechanism 7-10, first load rotating shaft 7-11 is provided with load rotating disk 7-6, load link rod 7-2 is installed between load rotating disk 7-6 and load operation dish 7-1, be provided with between first load rotating shaft 7-11 and isolation rotating shaft 6-9 and isolate the 6-10 that interlocks, earthed switch 8 comprises the grounding contact 8-5 be arranged on by installing rack in cabinet 99, ground connection contact knife 8-6, ground connection divide-shut brake spring mechanism 8-7 and ground connection operation board 8-1, ground connection contact knife 8-6 is arranged on installing rack by ground connection rotating shaft 8-4, ground connection rotating shaft 8-4 is provided with ground connection rotating disk 8-3, ground connection link rod 8-2 is installed between ground connection operation board 8-1 and ground connection rotating disk 8-3, ground connection is installed between ground connection rotating shaft 8-4 and isolation rotating shaft 6-9 to interlock 6-11.
Installed by gemel connection between described cabinet 99 and cabinet door 1.
Described passive enforced lock-out device 4 is configured with locking device key 5 of unblanking.
Described isolating switch 6 and on-load switch 7 are arranged on same installing rack.
Described cabinet door 1 offers the handle hole of disconnecting switch operation 6, on-load switch 7 and earthed switch 8.
See accompanying drawing, set forth the facts mode:
Power transmission operation sequence:
1, shut cabinet door 1, and check, confirmation operation put in place;
2, divide earthed switch 8, and check, confirmation operation put in place:
Operating grip is inserted ground connection operation board 8-1 to pull downwards, ground connection link rod 8-2 drives ground connection rotating disk 8-3 upwards to rotate, drive ground connection rotating shaft 8-4 upwards to rotate fast under the effect of ground connection divide-shut brake spring mechanism 8-7 by ground connection rotating disk 8-3 simultaneously, make ground connection rotating shaft 8-4 drive ground connection contact knife 8-6 to be separated completely with grounding contact 8-5, complete separating brake.
3, first mechanical interlocking sheet 3 is shifted onto the right, then the reset button 4-1 on passive enforced lock-out device 4 is up pushed away, pin mechanical interlocking sheet 3, and extract key 5 of unblanking;
4, close isolating switch 6, and check, confirmation operation put in place:
Operating grip is inserted isolated operation dish 6-1 upwards to pull, isolation link rod 6-2 drives isolation rotating disk 6-8 upwards to rotate, simultaneously, isolation rotating shaft 6-9 is driven upwards to rotate fast under the effect of isolation divide-shut brake spring mechanism by isolation rotating disk 6-8, isolation rotating shaft 6-9 drives isolation connecting lever 6-6 upwards to rotate, isolation connecting lever 6-6 drives isolated insulation pull bar 6-4, and isolated insulation pull bar 6-4 drives isolation contact knife 6-3 upwards quick rotation contacting completely with fixed contact 6-5, completes combined floodgate.
If the non-separating brake of earthed switch 8, then, under the effect of ground connection interlocking 6-11, isolating switch 6 can not operate;
5, close on-load switch 7, and check, confirmation operation put in place:
Operating grip is inserted load operation dish 7-1 upwards to pull, load link rod 7-2 is with dynamic load rotating disk 7-6 upwards to rotate, simultaneously, load rotating disk 7-6 driven by rotary disc first load rotating shaft 7-11 upwards rotates, first load rotating shaft 7-11 drives opening/closing operation mechanism 7-10 running, opening/closing operation mechanism 7-10 drives the second load rotating shaft 7-12 to rotate fast, second load rotating shaft 7-12 promotes the first load connecting lever 7-7 fast by the second load connecting lever and load insulating draw bar 7-8 and rotates, first load connecting lever 7-7 promotes guide post 7-4 slide downward, vacuum interrupter 7-3 is closed a floodgate.Soft connection wire and vacuum interrupter 7-3 and isolate contact knife 6-3 and be connected, make energising between isolating switch 6 and on-load switch 7.If isolating switch 6 does not close a floodgate, then, under the effect of isolation interlocking 6-10, on-load switch 7 can not operate.
Power failure operation program:
1, divide on-load switch 7, and check, confirmation operation put in place:
Operating grip is inserted load operation dish 7-1 to pull downwards, load link rod 7-2 is with dynamic load rotating disk 7-6 to rotate, simultaneously, the first load rotating shaft 7-11 is driven to rotate by load rotating disk 7-6, first load rotating shaft 7-11 drives opening/closing operation mechanism 7-10 running, opening/closing operation mechanism 7-10 drives the second load rotating shaft 7-12 rotating shaft upwards to rotate fast, second load rotating shaft 7-12 pulls the first load connecting lever 7-7 upwards to rotate by the second load connecting lever and load insulating draw bar 7-8 fast, first load connecting lever 7-7 pulls guide post 7-4 upward sliding, make vacuum interrupter 7-3 separating brake.
2, divide isolating switch 6, and check, confirmation operation put in place:
Operating grip is inserted isolated operation dish 6-1 to pull downwards, isolation link rod 6-2 drives isolation rotating disk 6-8 to rotate, simultaneously, isolation rotating shaft 6-9 is driven to rotate fast under the effect of isolation divide-shut brake spring mechanism by isolation rotating disk 6-8, isolation rotating shaft 6-9 drives isolation connecting lever 6-6 to rotate, and isolation connecting lever 6-6 drives isolated insulation pull bar 6-4, and isolated insulation pull bar 6-4 drives the downward quick rotation of isolation contact knife 6-3, and be separated completely with fixed contact 6-5, complete separating brake.
3, check, confirm that higher level's switch is in power down mode.
4, check, confirm that display 2 shows without electricity.
5, key 5 of unblanking is aimed at the keyhole on passive enforced lock-out device 4, then press electrical verification/unlock button, carry out unlocking that (if electrification in high voltage, passive enforced lock-out device 4 is not opened; If high pressure is not charged, passive enforced lock-out device 4 is opened).
6, mechanical interlocking sheet 3 is shifted onto the left side.
7, close earthed switch 8, and check, confirmation operation put in place;
Operating grip is inserted ground connection operation board 8-1 upwards to pull, ground connection link rod 8-2 drives ground connection rotating disk 8-3 to rotate, simultaneously, ground connection rotating shaft 8-4 is driven to rotate fast under the effect of ground connection divide-shut brake spring mechanism 8-7 by ground connection rotating disk 8-3, make ground connection rotating shaft 8-4 drive ground connection contact knife 8-6 to contact completely with grounding contact 8-5, complete combined floodgate.
If the non-separating brake of isolating switch 6, then, under the effect of ground connection interlocking 6-11, earthed switch 8 can not operate.

Claims (5)

1. a switch-cabinet grounding interlock, comprise cabinet (99) and cabinet door (1), it is characterized in that: described cabinet door (1) is provided with high-voltage charge display device (2), mechanical interlocking sheet (3) and passive enforced lock-out device (4), passive enforced lock-out device (4) is provided with reset button (4-1), isolating switch (6) is installed in cabinet (99), on-load switch (7) and earthed switch (8), isolating switch (6) comprises isolation divide-shut brake spring mechanism, fixed contact (6-5) in cabinet (99) and isolated operation dish (6-1) is arranged on by installing rack, isolation divide-shut brake spring mechanism comprises the isolation contact knife (6-3) installed by isolation connecting lever (6-6) and isolated insulation pull bar (6-4), isolation connecting lever (6-6) is connected with isolation rotating disk (6-8) by isolation rotating shaft (6-9), install to be connected with between isolation rotating disk (6-8) and isolated operation dish (6-1) and isolate link rod (6-2), on-load switch (7) comprises the vacuum interrupter (7-3) be arranged on by installing rack in cabinet (99), opening/closing operation mechanism (7-10) and load operation dish (7-1), vacuum interrupter (7-3) is connected with guide post (7-4), guide post (7-4) is connected in isolation contact knife (6-3) by the wire that is flexible coupling, guide post (7-4) is connected with load insulating draw bar (7-8) by the first load connecting lever (7-7), load insulating draw bar (7-8) is arranged on installing rack by the second load connecting lever and the second load rotating shaft (7-12), second load rotating shaft (7-12) is connected to the first load rotating shaft (7-11) by opening/closing operation mechanism (7-10), first load rotating shaft (7-11) is provided with load rotating disk (7-6), load link rod (7-2) is installed between load rotating disk (7-6) and load operation dish (7-1), be provided with between first load rotating shaft (7-11) and isolation rotating shaft (6-9) and isolate interlock (6-10), earthed switch (8) comprises the grounding contact (8-5) be arranged on by installing rack in cabinet (99), ground connection contact knife (8-6), ground connection divide-shut brake spring mechanism (8-7) and ground connection operation board (8-1), ground connection contact knife (8-6) is arranged on installing rack by ground connection rotating shaft (8-4), ground connection rotating shaft (8-4) is provided with ground connection rotating disk (8-3), ground connection link rod (8-2) is installed between ground connection operation board (8-1) and ground connection rotating disk (8-3), between ground connection rotating shaft (8-4) and isolation rotating shaft (6-9), ground connection interlocking (6-11) is installed.
2. a kind of switch-cabinet grounding interlock according to claim 1, is characterized in that: installed by gemel connection between described cabinet (99) and cabinet door (1).
3. a kind of switch-cabinet grounding interlock according to claim 1 and 2, is characterized in that: described passive enforced lock-out device (4) is configured with locking device key of unblanking (5).
4. a kind of switch-cabinet grounding interlock according to claim 3, is characterized in that: described isolating switch (6) and on-load switch (7) are arranged on same installing rack.
5. a kind of switch-cabinet grounding interlock according to claim 4, is characterized in that: the handle hole described cabinet door (1) offering disconnecting switch operation (6), on-load switch (7) and earthed switch (8).
CN201510245377.8A 2015-05-13 2015-05-13 A kind of switch-cabinet grounding interlock Active CN105047452B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510245377.8A CN105047452B (en) 2015-05-13 2015-05-13 A kind of switch-cabinet grounding interlock

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Application Number Priority Date Filing Date Title
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CN105047452B CN105047452B (en) 2017-09-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108831779A (en) * 2018-08-21 2018-11-16 广东省江门市新会电气控制设备厂有限公司 A kind of vacuum loading switch cabinet interlock
CN111613479A (en) * 2020-04-17 2020-09-01 亨斯迈(杭州)电力技术有限公司 Novel five-prevention locking method

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2116976U (en) * 1992-03-11 1992-09-23 镇江市电工器材厂 Electric switch carbinet
RU2211514C2 (en) * 2001-07-24 2003-08-27 Закрытое акционерное общество "АЛЬСТОМ-Свердловский электромеханический завод" Metalclad switchgear and its operating process
CN202111382U (en) * 2011-06-03 2012-01-11 上海一开投资(集团)有限公司 Miniature fixed high-voltage switch cabinet
CN202307607U (en) * 2011-10-25 2012-07-04 马鞍山市亿诚实业有限公司 Switch cabinet
CN202797739U (en) * 2012-08-29 2013-03-13 江阴市云峰电器设备有限公司 Miniature high voltage vacuum load switch fuse-combination unit
CN203491590U (en) * 2013-10-28 2014-03-19 李松林 Electrical switch control cabinet
CN204130391U (en) * 2014-07-22 2015-01-28 上海伊顿通用设备有限公司 A kind of grounding interlocking device
CN204304250U (en) * 2014-12-10 2015-04-29 江苏德春电力科技有限公司 Be integrated in the switch cubicle of modularization intelligent electrical network
CN204558299U (en) * 2015-05-13 2015-08-12 浙江临高电气实业有限公司 A kind of switch-cabinet grounding interlock

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2116976U (en) * 1992-03-11 1992-09-23 镇江市电工器材厂 Electric switch carbinet
RU2211514C2 (en) * 2001-07-24 2003-08-27 Закрытое акционерное общество "АЛЬСТОМ-Свердловский электромеханический завод" Metalclad switchgear and its operating process
CN202111382U (en) * 2011-06-03 2012-01-11 上海一开投资(集团)有限公司 Miniature fixed high-voltage switch cabinet
CN202307607U (en) * 2011-10-25 2012-07-04 马鞍山市亿诚实业有限公司 Switch cabinet
CN202797739U (en) * 2012-08-29 2013-03-13 江阴市云峰电器设备有限公司 Miniature high voltage vacuum load switch fuse-combination unit
CN203491590U (en) * 2013-10-28 2014-03-19 李松林 Electrical switch control cabinet
CN204130391U (en) * 2014-07-22 2015-01-28 上海伊顿通用设备有限公司 A kind of grounding interlocking device
CN204304250U (en) * 2014-12-10 2015-04-29 江苏德春电力科技有限公司 Be integrated in the switch cubicle of modularization intelligent electrical network
CN204558299U (en) * 2015-05-13 2015-08-12 浙江临高电气实业有限公司 A kind of switch-cabinet grounding interlock

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108831779A (en) * 2018-08-21 2018-11-16 广东省江门市新会电气控制设备厂有限公司 A kind of vacuum loading switch cabinet interlock
CN108831779B (en) * 2018-08-21 2024-05-07 广东省江门市新会电气控制设备厂有限公司 Interlocking device of vacuum load switch cabinet
CN111613479A (en) * 2020-04-17 2020-09-01 亨斯迈(杭州)电力技术有限公司 Novel five-prevention locking method
CN111613479B (en) * 2020-04-17 2022-05-06 亨斯迈(杭州)电力技术有限公司 Novel five-prevention locking method

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