CN207282360U - A kind of switchgear anti-misoperation locking device - Google Patents
A kind of switchgear anti-misoperation locking device Download PDFInfo
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- CN207282360U CN207282360U CN201721300018.9U CN201721300018U CN207282360U CN 207282360 U CN207282360 U CN 207282360U CN 201721300018 U CN201721300018 U CN 201721300018U CN 207282360 U CN207282360 U CN 207282360U
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- switchgear
- management module
- communication management
- locking device
- electromagnet
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- 230000011664 signaling Effects 0.000 claims description 4
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- 230000005389 magnetism Effects 0.000 claims description 2
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Abstract
The utility model discloses a kind of switchgear anti-misoperation locking device, anti-misoperation locking device is arranged on switchgear, grounding switch is equipped with switchgear, anti-misoperation locking device includes communication management module and actuating mechanism, grounding switch is equipped with auxiliary contact, the auxiliary contact of grounding switch in communication management module connecting switch cabinet, actuating mechanism includes electromagnet, gag lever post, magnetic baffle ring and latch hook, magnetic baffle ring is arranged on the middle part of gag lever post, when electromagnet is powered, magnetic baffle ring on gag lever post causes gag lever post to depart from latch hook by electromagnetic actuation, cabinet door unlocks at this time；When electromagnet is not charged, gag lever post is fallen into latch hook, at this time cabinet door locking.The utility model provides a kind of safe, certain switchgear anti-misoperation locking device that in the case of no electricity, cabinet door could be opened only in cabinet.
Description
Technical field
It the utility model is related to switchgear protective device technical field, more particularly to a kind of switchgear anti-misoperation locking device.
Background technology
Anti-misoperation locking device is the important equipment that substation prevents " five big types " maloperation, reliable anti-misoperation
Blocking device is the person, power grid and the important leverage of equipment safety stable operation.《18 power grids of State Grid Corporation of China are great anti-
Accident measure》Point out：High-tension switch cabinet should select the product of " five is anti-" complete function.《State Grid Corporation of China's electric power safety work
Code》Also clear stipulaties：High voltage electric equipment should all install perfect misoperation-proof locking device, and anti-error be closed with perfect
Locking device function, mechanical lock should be installed additional without anti mis-closedown function.
At present, for switchgear cable vault door by fastened by screw, no matter banded cable is not charged, uses special-purpose cranking bar in the prior art
Even screwdriver can open door, do not possess anti-incorrect manipulation deadlock function, violate above-mentioned regulatory requirements, easily cause personnel
Electric shock accidents.
In Chinese patent literature disclosed " switchgear ", its notification number is CN104701750A, and the day for announcing is 2015
June 10, this application discloses a kind of switchgear, which includes：Cabinet；Cabinet door, is arranged on cabinet；And locking
Device, locking device include the first location division, the second location division and tight lock part, and the first location division is fixed on cabinet, the
Two location divisions are fixed in cabinet door corresponding to the first location division, and tight lock part is slidably attached between cabinet door and cabinet,
And the first operating position and the first location division of disengaging and the second location division with the first location division of connection and the second location division
Link position the second operating position.Operating personnel pass through the simple operations to locking device, it is possible to easily will switch
The cabinet door of cabinet is closed or opened, and is avoided complicated, cumbersome process, is saved the time of open and close cabinet door, save operator
The labour cost of member.The invention, which is disadvantageous in that, cannot ensure in cabinet that cabinet door could be beaten really in the case of no electricity
Open.
Utility model content
The utility model does not have to overcome switchgear of the prior art to be opened cabinet door with crank even screwdriver
The deficiency of standby anti-incorrect manipulation deadlock function, there is provided a kind of safe, certain in the case of no electricity only in cabinet, cabinet
The switchgear anti-misoperation locking device that door could be opened.
To achieve these goals, the utility model uses following technical scheme：
A kind of switchgear anti-misoperation locking device, the anti-misoperation locking device are arranged on switchgear, are equipped with and are connect in switchgear
Ground disconnecting link, the anti-misoperation locking device include communication management module and actuating mechanism, and the grounding switch is equipped with auxiliary contact,
The auxiliary contact of grounding switch in the communication management module connecting switch cabinet, the actuating mechanism include electromagnet, spacing
Bar, magnetic baffle ring and latch hook, the magnetism baffle ring are arranged on the middle part of the gag lever post.
When electromagnet is powered, the magnetic baffle ring on the gag lever post causes the gag lever post to take off by the electromagnetic actuation
From latch hook, at this time cabinet door unlock；When electromagnet is not charged, the gag lever post is fallen into the latch hook, at this time cabinet door locking.
The effect of grounding switch is in maintenance, is connected main circuit with the earth by grounding switch, then on main circuit just
People can be gone to carry out service work, ensured safety.When switch-cabinet grounding knife-switch closes, the ground signalling of the auxiliary contact is by institute
The reception of communication management module is stated, the communication management module control electromagnet is powered so that the actuating mechanism solution locker door；When
When switch-cabinet grounding knife-switch disconnects, the charged signal of the auxiliary contact is received by the communication management module, the communication pipe
Manage module control electromagnet dead electricity so that the actuating mechanism locking cabinet door.Such a structure causes the powered situation of switchgear to sentence
It is disconnected accurate, the anti-misoperation locking device is only unlocked when grounding switch is grounded, security greatly improves.
As a kind of optimal technical scheme of the utility model, ground fault detection device, the earth fault are further included
Detection device is arranged on the ground terminal of switchgear, and the ground fault detection device is connected with the communication management module, when
When the ground fault detection device detects earth fault, the communication management module controls electromagnet dead electricity, described in holding
Actuating mechanism locking cabinet door.When such a structure can prevent earth fault, auxiliary contact pass to the communication management mould
Block ground signalling so that cabinet door unlocks, and the personal safety to operating personnel brings hidden danger.
As a kind of optimal technical scheme of the utility model, the ground fault detection device includes being used for collection voltages
Acquisition module with electric current, according to the voltage and current determine there are the processing module of earth fault and send earth fault
The sending module of signal.
As a kind of optimal technical scheme of the utility model, the ground fault detection device is connected with warning device.
As a kind of optimal technical scheme of the utility model, the latch hook longitudinal section is L-shaped, is offered on the latch hook
Limiting slot, the latch hook are fixedly connected by screw with the latch hook fixed plate being fixed on switch cabinet body, the electromagnetism Tie Tong
Cross screw to be fixedly connected with the electromagnet fixed plate being fixed on door of switch cabinet, the electromagnet is equipped with vertical straight slot, institute
Gag lever post is stated to be arranged in the straight slot.
As a kind of optimal technical scheme of the utility model, screen that the communication management module passes through strong antijamming capability
Signal wire is covered with the actuating mechanism to be connected.
The beneficial effect that the utility model is reached compared with prior art is：Ensure maloperation will not occur, improve
The security performance of equipment, has further ensured the safety of operating personnel, substantially increases the production efficiency and product quality of enterprise,
Have the characteristics that reliability is high, stability is good, security performance is high.
Brief description of the drawings
Fig. 1 is the structure diagram of actuating mechanism.
In figure：Electromagnet 1, gag lever post 2, magnetic baffle ring 3, latch hook 4, limiting slot 5, latch hook fixed plate 6, electromagnet fixed plate
7th, straight slot 8.
Embodiment
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it will be appreciated that described herein excellent
Select embodiment to be only used for describing and explaining the present invention, be not used to limit the utility model.
A kind of switchgear anti-misoperation locking device, anti-misoperation locking device are arranged on switchgear, and earthing is equipped with switchgear
Lock, anti-misoperation locking device include communication management module, actuating mechanism and ground fault detection device.Grounding switch is equipped with auxiliary
Contact, communication management module are connected by shielded signal line with auxiliary contact.
Set as shown in Figure 1, actuating mechanism includes electromagnet 1, gag lever post 2, magnetic baffle ring 3 and latch hook 4, magnetic baffle ring 3
At the middle part of gag lever post 2.4 longitudinal section of latch hook is L-shaped, limiting slot 5 is offered on latch hook 4, latch hook 4 is by screw with being fixed on out
The latch hook fixed plate 6 closed on cabinet cabinet is fixedly connected, and electromagnet 1 is consolidated by screw with the electromagnet being fixed on door of switch cabinet
Fixed board 7 is fixedly connected, and electromagnet 1 is equipped with vertical straight slot 8, and gag lever post 2 is arranged in straight slot 8.When electromagnet 1 is powered, limit
Magnetic baffle ring 3 on the bar 2 of position is attracted by electromagnet 1 so that gag lever post 2 departs from latch hook 4, and cabinet door unlocks at this time；When electromagnet 1 not
When powered, gag lever post 2 is fallen into latch hook 4, at this time cabinet door locking.
When switch-cabinet grounding knife-switch closes, the ground signalling of auxiliary contact is received by communication management module, communication management
Module control electromagnet 1 is powered so that actuating mechanism solution locker door；When switch-cabinet grounding knife-switch disconnects, the band of auxiliary contact
Electric signal is received by communication management module, communication management module control 1 dead electricity of electromagnet so that actuating mechanism locking cabinet door.
Ground fault detection device is arranged on the ground terminal of switchgear, ground fault detection device and communication management module phase
Connection, when ground fault detection device detects earth fault, communication management module control electromagnet dead electricity, holding action machine
Structure locking cabinet door.Ground fault detection device includes the acquisition module for collection voltages and electric current, true according to voltage and current
Surely there are the processing module of earth fault and the sending module of transmission earth-fault signal.Further, Earth Fault Detection
Device is connected with warning device.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of switchgear anti-misoperation locking device, the anti-misoperation locking device are arranged on switchgear, ground connection is equipped with switchgear
Disconnecting link, it is characterised in that including
Communication management module, the grounding switch are equipped with auxiliary contact, connecing in the communication management module connecting switch cabinet
The auxiliary contact of ground disconnecting link,
And actuating mechanism, the actuating mechanism include electromagnet, gag lever post, magnetic baffle ring and latch hook, the magnetism baffle ring is set
At the middle part of the gag lever post, when electromagnet is powered, the magnetic baffle ring on the gag lever post is caused by the electromagnetic actuation
The gag lever post departs from latch hook, and cabinet door unlocks at this time；When electromagnet is not charged, the gag lever post is fallen into the latch hook, this
When cabinet door locking,
After switch-cabinet grounding knife-switch closes, the ground signalling of the auxiliary contact is simultaneously received, institute by the communication management module
It is powered to state communication management module control electromagnet so that the actuating mechanism solution locker door；When switch-cabinet grounding knife-switch disconnects,
The charged signal of the auxiliary contact is received by the communication management module, and the communication management module controls electromagnet dead electricity,
So that the actuating mechanism locking cabinet door.
2. a kind of switchgear anti-misoperation locking device according to claim 1, it is characterised in that further include Earth Fault Detection
Device, the ground fault detection device are arranged on the ground terminal of switchgear, the ground fault detection device and the communication
Management module is connected, when the ground fault detection device detects earth fault, the communication management module control electricity
Magnet dead electricity, keeps the actuating mechanism locking cabinet door.
A kind of 3. switchgear anti-misoperation locking device according to claim 1, it is characterised in that the Earth Fault Detection dress
Put including the acquisition module for collection voltages and electric current, the processing mould there are earth fault is determined according to the voltage and current
Block and the sending module for sending earth-fault signal.
A kind of 4. switchgear anti-misoperation locking device according to claim 2, it is characterised in that the Earth Fault Detection dress
Put and be connected with warning device.
5. a kind of switchgear anti-misoperation locking device according to claim 1, it is characterised in that the latch hook longitudinal section is in L
Shape, offers limiting slot on the latch hook, the latch hook is consolidated by screw with the latch hook fixed plate being fixed on switch cabinet body
Fixed connection, the electromagnet are fixedly connected by screw with the electromagnet fixed plate being fixed on door of switch cabinet, the electromagnetism
Iron is equipped with vertical straight slot, and the gag lever post is arranged in the straight slot.
6. a kind of switchgear anti-misoperation locking device according to claim 1, it is characterised in that the communication management module is led to
Shielded signal line is crossed with the auxiliary contact to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300018.9U CN207282360U (en) | 2017-10-10 | 2017-10-10 | A kind of switchgear anti-misoperation locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721300018.9U CN207282360U (en) | 2017-10-10 | 2017-10-10 | A kind of switchgear anti-misoperation locking device |
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| Publication Number | Publication Date |
|---|---|
| CN207282360U true CN207282360U (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721300018.9U Active CN207282360U (en) | 2017-10-10 | 2017-10-10 | A kind of switchgear anti-misoperation locking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905641A (en) * | 2017-10-10 | 2018-04-13 | 国网浙江省电力公司衢州供电公司 | A kind of switchgear anti-misoperation locking device |
-
2017
- 2017-10-10 CN CN201721300018.9U patent/CN207282360U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905641A (en) * | 2017-10-10 | 2018-04-13 | 国网浙江省电力公司衢州供电公司 | A kind of switchgear anti-misoperation locking device |
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