CN201821003U - Electromagnetic locking mechanism of cable chamber door of high-voltage switch cabinet - Google Patents

Electromagnetic locking mechanism of cable chamber door of high-voltage switch cabinet Download PDF

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Publication number
CN201821003U
CN201821003U CN2009202098738U CN200920209873U CN201821003U CN 201821003 U CN201821003 U CN 201821003U CN 2009202098738 U CN2009202098738 U CN 2009202098738U CN 200920209873 U CN200920209873 U CN 200920209873U CN 201821003 U CN201821003 U CN 201821003U
Authority
CN
China
Prior art keywords
switch cabinet
electromagnetic lock
cable vault
lock
door
Prior art date
Application number
CN2009202098738U
Other languages
Chinese (zh)
Inventor
凌家龙
Original Assignee
上海纳杰电气成套有限公司
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 上海纳杰电气成套有限公司 filed Critical 上海纳杰电气成套有限公司
Priority to CN2009202098738U priority Critical patent/CN201821003U/en
Application granted granted Critical
Publication of CN201821003U publication Critical patent/CN201821003U/en

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Abstract

The utility model discloses an electromagnetic locking mechanism of a cable chamber door of a high-voltage switch cabinet, which comprises an electromagnetic lock, a mounting plate, corresponding parts of a switch cabinet body, an interlocking hole of a cable chamber door and the like. The electromagnetic lock is arranged on the switch cabinet body through the mounting plate, and a lock tongue of the electromagnetic lock is arranged just opposite to the interlocking hole of the cable chamber door and is smaller than the interlocking hole. An excitation coil of the electromagnetic lock is powered up by a 220V alternating-current power supply for illumination of the switch cabinet, and a live line display is connected with the excitation coil in series through an auxiliary contact. When the excitation coil is not powered up, the lock tongue is at a popping position, and the lock tongue can be pushed for manual unlocking when needed. The utility model overcomes the defect of the current high-voltage switch cabinet that a ground switch is operated according to results of indirect electricity check. In order to prevent misoperation, the live line display is connected with the excitation coil to indicate whether a high-voltage line in a cable chamber is live.

Description

The electric-magnetic lock mechanism of a kind of high-tension switch cabinet cable vault door
Technical field:
The utility model relates to a kind of locking device, is specifically related to a kind of electric-magnetic lock mechanism that is used for rated voltage 40.5kV and following high-tension switch cabinet cable vault door.
Background technology:
High-voltage switch gear is meant and is used for electric power system generating, transmission of electricity, distribution, electric energy conversion and has consumed effects such as break-make, control or protection; electric pressure is in the electric equipment products of 3.6kV~550kV; comprise that mainly primary cut-out, high voltage isolator overlap and sectionalizer several big classes such as high-voltage actuating mechanism, high-voltage explosion-proof power distribution equipment and high-tension switch cabinet automatically with earthed switch, high voltage load switch, high pressure.The high-voltage switch gear manufacturing industry is the manufacturing important component part of power transmission and transforming equipment, occupies important status in whole power industry.
Though in the high-tension switch cabinet field, all kinds of electric accidents still often take place in use, this and electrical equipment operation personnel's technical operation standard has direct relation, in strict accordance with the operation of electrical safety rules, can reduce and avoid the generation of electric accident effectively.But when safeguarding finishing for the cable segment connector of high-tension switch cabinet, earthed switch must close, do not have electricity to guarantee safety and must identify cable vault's high pressure before the earthed switch that closes earlier, can't not carry out direct electrical verification to inside, cable vault if do not open cable vault's door earlier.Present 12kV and 40.5kV high-tension switch cabinet only adopt the circuit electrification display that the cable vault is carried out indirect electrical verification, come the manual operation earthed switch according to indirect electrical verification result.There is bigger potential safety hazard in this mode, if the electrification display link has problem the serious accident of charged mistake splice grafting ground switch may occur.
The utility model content:
The utility model is at 12kV in the present use and 40.5kV high-tension switch cabinet, adopts the circuit electrification display that the cable vault is carried out indirect electrical verification, comes the manual operation high-tension switch cabinet according to the result of indirect electrical verification.There is bigger potential safety hazard in this mode, if the electrification display link has problem the serious accident of charged mistake splice grafting ground switch may occur.
For fear of the potential safety hazard that above-mentioned accident occurs, the utility model adopts following technical scheme to realize:
The electric-magnetic lock mechanism of a kind of high-tension switch cabinet cable vault door, interlocking hole and circuit electrification display by electromagnetic lock, mounting panel, switch cabinet body, cable vault's door are formed, described electromagnetic lock is connected on the switch cabinet body by mounting panel, and the dead bolt of electromagnetic lock is over against the interlocking hole of cable vault's door; Described circuit electrification display, the magnet exciting coil by auxiliary contact and electromagnetic lock is in series.
The power supply of the electromagnetic lock magnet exciting coil of described electric-magnetic lock mechanism is the switch cubicle mains lighting supply.
The utility model is simple in structure, by carrying out easy and reliable electric-magnetic lock mechanism and release to cable vault's door, for the direct electrical verification of high-tension switch cabinet cable vault provides one deck safety measure, to prevent the serious accident of mistake splice grafting ground switch.
Description of drawings:
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is an assembly structure schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of the utility model in A-A section place structure.
Fig. 3 is a circuit connection diagram of the present utility model.
Among the figure 1 be switch cabinet body, 2 for cable vault's door, 3 for electromagnetic lock, 4 for mounting panel, 5 for dead bolt, 6 for the interlocking hole, 7 be the auxiliary contact of electrification display for electromagnetic lock magnet exciting coil, 8.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Fig. 1 is the assembly structure schematic diagram of the electric-magnetic lock mechanism of high-tension switch cabinet cable vault door, as shown in the figure, electromagnetic lock 3 is contained in the position of switch cabinet body 1 place near cable vault's door 2 by mounting panel 4, the dead bolt 5 of electromagnetic lock 3 is over against the interlocking hole 6 of cable vault, and the overall dimension of dead bolt 5 is slightly smaller than interlocking hole 6.By the structural representation of electric-magnetic lock mechanism A-A position among Fig. 2, can explain the indirect relation of its each parts in more detail.
In the embodiments of figure 3, electromagnetic lock magnet exciting coil 7 action powers are supplied with by the switch cubicle mains lighting supply, the circuit electrification display is in series by auxiliary contact 8 and electromagnetic lock magnet exciting coil 7, play the effect that realizes that indication high-tension cable cabinet is whether charged, the function of safety instruction when increase cable cabinet cabinet door need be opened, and disconnection and closure by electrification display auxiliary contact 8 realize the control for electromagnetic lock.
In use, when the high-tension switch cabinet cable vault was with high-tension electricity at work, electrification display auxiliary contact 8 were in off-state, so electromagnetic lock magnet exciting coil 7 power supplys are obstructed, the dead bolt 5 of electromagnetic lock 3 ejects and passes the interlocking hole 6 of cable vault, and cable vault's door 2 is pinned; When the circuit electrification display detects the cable vault and is not with high-tension electricity, its auxiliary contact 8 closed electromagnetic lock magnet exciting coils 7 power supplys of connecting, the dead bolt 5 of electromagnetic lock 3 withdraws from from interlocking hole 6 under the effect of magnetic force, has also just removed the locking to cable vault's door 2.Can open cable vault's door 2 and with electroscope direct electrical verification is carried out in inside, cable vault this moment, confirms that the high-tension switch cabinet cable vault does not have the earthed switch that can close behind the electricity.When the locking device locking, open locking device if desired, also can directly carry out manual unlocking by promoting dead bolt 5.
The utility model now provides a kind of locking device that helps the high-tension switch cabinet cable vault is carried out direct electrical verification for the defective that the high-tension switch cabinet that overcomes in the present use only decides the operational grounding switch to exist by indirect electrical verification.The technical scheme that this locking device adopts is: the power supply of the utility model electromagnetic lock magnet exciting coil adopts the illuminating 220V AC power of switch cubicle to supply with, and the auxiliary contact and the electromagnetic lock magnet exciting coil of circuit electrification display is in series.When cable vault's height was pressed with electricity, the electrification display auxiliary contact disconnected, so electromagnetic lock magnet exciting coil no power, and the dead bolt of electromagnetic lock is in ejected position and with cable vault's door locking; When cable vault's high pressure does not have electricity, the energising of electrification display auxiliary contact closure, electromagnetic lock magnet exciting coil, the indentation of electromagnetic lock dead bolt and remove locking to cable vault's door; When locking device goes wrong, also can carry out manual unlocking by promoting dead bolt.It is simple in structure, relies on the electric-magnetic lock mechanism automatic blocking of high safety, the design of release, for the direct electrical verification of high-tension switch cabinet cable vault provides safety measure, with the generation of the serious accident that prevents mistake splice grafting ground switch.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (2)

1. the electric-magnetic lock mechanism of a high-tension switch cabinet cable vault door, interlocking hole and circuit electrification display by electromagnetic lock, mounting panel, switch cabinet body, cable vault's door are formed, it is characterized in that: described electromagnetic lock is connected on the switch cabinet body by mounting panel, and the dead bolt of electromagnetic lock is over against the interlocking hole of cable vault's door; Described circuit electrification display, the magnet exciting coil by auxiliary contact and electromagnetic lock is in series.
2. the electric-magnetic lock mechanism of a kind of high-tension switch cabinet according to claim 1 cable vault door is characterized in that: the power supply of the electromagnetic lock magnet exciting coil of described electric-magnetic lock mechanism is the switch cubicle mains lighting supply.
CN2009202098738U 2009-09-22 2009-09-22 Electromagnetic locking mechanism of cable chamber door of high-voltage switch cabinet CN201821003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202098738U CN201821003U (en) 2009-09-22 2009-09-22 Electromagnetic locking mechanism of cable chamber door of high-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202098738U CN201821003U (en) 2009-09-22 2009-09-22 Electromagnetic locking mechanism of cable chamber door of high-voltage switch cabinet

Publications (1)

Publication Number Publication Date
CN201821003U true CN201821003U (en) 2011-05-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202098738U CN201821003U (en) 2009-09-22 2009-09-22 Electromagnetic locking mechanism of cable chamber door of high-voltage switch cabinet

Country Status (1)

Country Link
CN (1) CN201821003U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102222865A (en) * 2011-06-15 2011-10-19 宁波电业局 Electricity testing device for 10-kilovolt handcart switching circuit
CN103500925A (en) * 2013-06-27 2014-01-08 国家电网公司 Switch cabinet with pull-plug type high-voltage charged display
CN103532026A (en) * 2013-10-23 2014-01-22 昆山振宏电子机械有限公司 Power distribution cabinet
CN103556880A (en) * 2013-10-31 2014-02-05 北京微能汇通电力技术有限公司 Electricity testing unlocking system for high voltage switch cabinet
CN104242093A (en) * 2014-10-23 2014-12-24 南京市嘉隆电气科技有限公司 Interlocking device for door of all-insulated ring main unit
CN106988619A (en) * 2017-06-06 2017-07-28 北京天川同展科技有限公司 A kind of latch bolt position detection method and device of electric control lock
CN107359525A (en) * 2017-08-24 2017-11-17 江苏叙然信息科技有限公司 A kind of safety switch cabinet
CN109450179A (en) * 2018-12-24 2019-03-08 福安市隆凯电机有限公司 A kind of brushless excitation generator

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102222865A (en) * 2011-06-15 2011-10-19 宁波电业局 Electricity testing device for 10-kilovolt handcart switching circuit
CN103500925A (en) * 2013-06-27 2014-01-08 国家电网公司 Switch cabinet with pull-plug type high-voltage charged display
CN103500925B (en) * 2013-06-27 2015-11-18 国家电网公司 The switch cubicle of plug-in type high-voltage charge display device is set
CN103532026A (en) * 2013-10-23 2014-01-22 昆山振宏电子机械有限公司 Power distribution cabinet
CN103532026B (en) * 2013-10-23 2017-05-31 国网河南省电力公司郑州供电公司 A kind of power distribution cabinet
CN103556880A (en) * 2013-10-31 2014-02-05 北京微能汇通电力技术有限公司 Electricity testing unlocking system for high voltage switch cabinet
CN103556880B (en) * 2013-10-31 2016-05-25 北京微能汇通电力技术有限公司 A kind of high voltage switch cabinet electricity check unlocking system
CN104242093A (en) * 2014-10-23 2014-12-24 南京市嘉隆电气科技有限公司 Interlocking device for door of all-insulated ring main unit
CN106988619A (en) * 2017-06-06 2017-07-28 北京天川同展科技有限公司 A kind of latch bolt position detection method and device of electric control lock
CN106988619B (en) * 2017-06-06 2018-10-26 北京天川同展科技有限公司 A kind of latch bolt position detection method and device of electric control lock
CN107359525A (en) * 2017-08-24 2017-11-17 江苏叙然信息科技有限公司 A kind of safety switch cabinet
CN109450179A (en) * 2018-12-24 2019-03-08 福安市隆凯电机有限公司 A kind of brushless excitation generator
CN109450179B (en) * 2018-12-24 2020-10-23 福安市隆凯电机有限公司 Brushless excitation generator

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110504

Termination date: 20180922