CN110416018A - One kind keeping apart official seal short-circuit operation system - Google Patents
One kind keeping apart official seal short-circuit operation system Download PDFInfo
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- CN110416018A CN110416018A CN201910353235.1A CN201910353235A CN110416018A CN 110416018 A CN110416018 A CN 110416018A CN 201910353235 A CN201910353235 A CN 201910353235A CN 110416018 A CN110416018 A CN 110416018A
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- cabinet
- circuit
- control
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- short
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
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- Push-Button Switches (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses one kind to keep apart official seal short-circuit operation system, including anti-error control cabinet, the total cabinet of bus isolating switch, the total cabinet of line disconnecting switch, it is integrated with electric locking circuit and electric control loop in the total cabinet of bus isolating switch and the total cabinet of line switching, the total cabinet of the bus isolating switch and the total cabinet of line switching pass through secondary cable respectively and be switched to anti-error control cabinet；Level-one electricity puzzle lock, and level-one electricity puzzle lock and short circuit locking relay anti-short circuit locked loop in series are provided in the anti-error control cabinet；Anti- short circuit locked loop is connected to by second level electricity puzzle lock respectively in the total cabinet of the bus isolating switch and the total cabinet of line switching.The operation of any disconnecting switch of the present invention in strict accordance with pre-set " five is anti-" logic step must successively carry out that operation can be unlocked, and thoroughly solve deficiency existing for " five is anti-" system, effectively prevent the generation of misoperation fault, it is ensured that the person and equipment safety.
Description
Technical field
The present invention relates to electric power network fields, keep apart official seal short-circuit operation system in particular to one kind.
Background technique
In the prior art, in order to guarantee electric power netting safe running, one of important measures are exactly transformer equipment operation for substation
Whether risk management and control, the measure have, improve the safe operation for being directly related to transformer equipment.Due to many five anti-producers
" five anti-electric puzzle locks " and breaker terminals row do not have anti-short-circuit operation blocking function, happen occasionally because artificial misuse " is led
Body " short circuit " five anti-electric puzzle locks " or breaker terminals row operates by force, will lead to accidentally close, accidentally divide breaker cause the person and
Equipment breakdown.
In terms of disconnecting switch anti-misoperation implementation, mainly utilization " five anti-electric puzzle locks " is series at isolator operation
In circuit, computer key is reused by logic and unlocks operation, to reach fool proof purpose.Come from situation is used for a long time
It sees, not can effectively prevent artificial malice positive and negative short circuit " five anti-electric puzzle locks " two electrode columns and directly operate, and preventing patrolling without five
In the case where volume, and a series of grid switching operations carried out, easily generation maloperation malignant event, come to the person and equipment belt very big
Security risk.
Summary of the invention
The purpose of the present invention is to provide one kind to keep apart official seal short-circuit operation system, can effectively prevent directly using " conducting wire "
It is shorted the method disconnecting switch operation of five anti-electric puzzle locks, can avoid without " five is anti-" logic judgment maloperation disconnecting switch event
Generation, the operation of any disconnecting switch must successively carry out unlocking in strict accordance with pre-set " five is anti-" logic step
Operation thoroughly solves deficiency existing for " five is anti-" system, effectively prevents the generation of misoperation fault, it is ensured that the person and equipment peace
Entirely.
To reach above-mentioned technical purpose, the technical solution adopted by the present invention is specific as follows:
One kind keeping apart official seal short-circuit operation system, including the total cabinet of anti-error control cabinet, bus isolating switch, route are kept apart
It is integrated with electric locking circuit and electric control loop in the total cabinet of Guan, the total cabinet of bus isolating switch and the total cabinet of line switching,
Be characterized in that: the total cabinet of the bus isolating switch and the total cabinet of line switching pass through secondary cable respectively and are switched to anti-error control cabinet；
Be provided with level-one electricity puzzle lock in the anti-error control cabinet, and level-one electricity puzzle lock be shorted locking relay it is in series prevent it is short
Connect locked loop；Anti- short circuit is connected to by second level electricity puzzle lock respectively in the total cabinet of the bus isolating switch and the total cabinet of line switching
Locked loop.
It further, further include having ac control power supply, ac control power supply air switch, electricity in the anti-error control cabinet
Gas lock closed contact, five unlocking prevention circuits and emergency release control loop, and five unlocking prevention circuits and emergency release control loop are equal
It is wired to electric locking contact.
Further, the five unlocking preventions control loop includes normally opened the opening of five unlocking prevention relays and state of a control switching
It closes, and is parallel in five unlocking prevention control loops five unlocking preventions and prescribes a time limit control circuit.
Further, five unlocking prevention prescribe a time limit control circuit include the five unlocking prevention time relays and control switch.
Further, the emergency release control loop includes the normally-closed contact being connected on ac control power supply and normally opened
Contact and control normally-closed contact and normally opened contact switching switch unblock button, normally opened contact electric blocking contact it
Between be provided with emergency release relay.
Further, the level-one electricity puzzle lock is five anti-electric puzzle locks of anti-positive and negative short-circuit operation, including is mounted on
Rotation electrode and fixed electrode, connecting terminal, the computer key being adapted to lock body in anti-short circuit box；The connecting terminal passes through
More copper conductors are extended multiple contacts mutually disconnected respectively, and insulation stroke push rod, insulation row are connected between multiple contacts
Journey push rod one end is connected on rotation electrode.
Further, the contact includes at least three, is respectively set to normally opened contact, common, normally-closed contact, public
Contact is arranged between normally opened contact and normally-closed contact altogether, and each contact is separately positioned on a copper conductor.
Multiconductor is provided separately, and the closing of multiple auxiliary contact is mounted in anti-short circuit box and is managed, and two electrodes are not
It is directly accessed in breaker or isolator operation circuit, is directly operated with realizing that anti-positive and negative are shorted five anti-electric puzzle locks.
Further, rotatable electrode bar one end is connected with rotation plectrum, and rotation plectrum is against insulation stroke push rod
End, be provided with multiple copper conductor plectrums on the insulation stroke push rod, copper conductor plectrum is separately positioned on the upper of copper conductor
Side or lower section.
Rotation plectrum drives insulation stroke lever to move up or down in the rotary course of electrode stem, while copper conductor is dialled
Piece stirs copper conductor upwardly or downwardly, and controls the contact between multiple contacts or separate.
Further, the second level electricity puzzle lock is five unlocking prevention electricity puzzle locks, and each five unlocking preventions electricity puzzle lock is one by one
It is correspondingly arranged on fuse.
Further, be respectively arranged in the total cabinet of the bus isolating switch and the total cabinet of line switching control bus disconnecting link and
The three-phase motor of route disconnecting link opening and closing, and it is provided in anti-error control cabinet the power supply unlock control loop of three-phase motor.
The beneficial effects of the present invention are: the present invention is different from the prior art, and the present invention is provided with total level-one electricity coding
Lock, and second level electricity puzzle lock is set in the control loop of bus disconnecting link and route disconnecting link respectively, it is necessary to just by unlock twice
It can be normally carried out unlock operation, effectively prevent illegally being shorted.And when such as the plant failure, emergency release button can be pressed by event
Fault device isolation, and female knife, line knife electric motor loop and control loop are restored to original five-prevention operation circuit, it is normal that it is not influenced
Operation.
Detailed description of the invention
Fig. 1 is provided by the invention to keep apart official seal short-circuit operation system structure diagram；
Fig. 2 is the circuit diagram one provided by the invention for keeping apart official seal short-circuit operation system；
Fig. 3 is the circuit diagram two provided by the invention for keeping apart official seal short-circuit operation system；
Fig. 4 is the level-one electricity puzzle lock structural schematic diagram provided by the invention for keeping apart official seal short-circuit operation system.
Fig. 5 is the illegal unlocking information long-distance Log server schematic diagram provided by the invention for keeping apart official seal short-circuit operation system.
Fig. 6 is the voice warning circuit provided by the invention for keeping apart official seal short-circuit operation system.
Appended drawing reference:
The total air switch of 1- ac control power supply L11, N, 2- ac control power supply air switch 1DK, 3- electrical source of power
2DK, 4- emergency release button, 5- indicator light fuse, five unlocking prevention of 6- intelligent sound loudspeaker PS, 7- power supply indicator LD1,8-
Indicator light HD1,9- illegally unlock indicator light HD2,10- emergency release indicator light HD3,11- and are shorted locking relay KM1,12- five
Five unlocking prevention time relay sj 1 of unlocking prevention relay KM2,13- emergency release relay KM3,14-, 15- level-one electricity coding
Lock, 16- electric blocking contact DL1,17- door handle lock, the anti-error control cabinet of 18-, 19- electric motor loop connecting terminal, mother's 20- knife behaviour
Make motor 1M, 21- line knife operation motor 2M, 22- control loop connecting terminal, the anti-electric coding of 23- fuse FU2,24- mother knife five
Lock WF1,25- mother knife electric blocking circuit, mother's 26- knife electric control loop, the anti-electric coding of 27- fuse FU3,28- line knife five
Lock WF2,29- line knife electric blocking circuit, 30- line knife electric control loop, the total cabinet of 31- bus isolating switch, the isolation of 32- route
Switch total cabinet, 33- secondary cable, 34- electricity puzzle lock lock body, 35- normally opened contact, 36- common, 37- normally-closed contact, 38-
Spring leaf, 39- rotation electrode, 40- rotation plectrum, 41- insulation stroke push rod, the fixed electrode of 42-.
Specific embodiment
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Shown in Fig. 1-Fig. 6, one kind keeping apart official seal short-circuit operation system, including anti-error control cabinet 18, bus isolating switch
Total cabinet 31, line disconnecting switch total cabinet 32 are integrated with electrolock in the total cabinet 31 of bus isolating switch and the total cabinet 32 of line switching
Loop circuit and electric control loop, the total cabinet 31 of the bus isolating switch and the total cabinet 32 of line switching pass through secondary cable 33 respectively
It is switched to anti-error control cabinet 18；Be provided with level-one electricity puzzle lock 15 in the anti-error control cabinet 18, and level-one electricity puzzle lock 15 with
It is shorted locking relay anti-short circuit locked loop in series；In the total cabinet 31 of the bus isolating switch and the total cabinet 32 of line switching
Anti- short circuit locked loop is connected to by second level electricity puzzle lock respectively.
It further include having ac control power supply 1,1 air switch 2 of ac control power supply, electrolock in the anti-error control cabinet 18
Closed contact 16, five unlocking prevention circuits and emergency release control loop, and five unlocking prevention circuits and emergency release control loop connect
Line is to electric locking contact 16.The five unlocking preventions control loop include five unlocking prevention relays and state of a control switching it is normally opened
Switch, and be parallel in five unlocking prevention control loops five unlocking preventions and prescribe a time limit control circuit.Five unlocking prevention controls electricity in limited time
Road includes the five unlocking prevention time relays and control switch.The emergency release control loop includes being connected to ac control power supply
On normally-closed contact 37 and normally opened contact 35 and control normally-closed contact 37 and normally opened contact 35 switching switch unblock button,
Emergency release relay is provided between the 35 electric blocking contact of normally opened contact.
The level-one electricity puzzle lock 15 is five anti-electric puzzle locks of anti-positive and negative short-circuit operation, including is mounted on anti-short circuit
Rotation electrode 39 and fixed electrode 42, connecting terminal, the computer key being adapted to lock body in box；The connecting terminal passes through more
Root copper conductor is extended multiple contacts mutually disconnected respectively, and insulation stroke push rod 41, insulation row are connected between multiple contacts
41 one end of journey push rod is connected on rotation electrode 39.
Rotation electrode 39 is placed in inside electric puzzle lock lock body 34 by rotatable electrode 39, the fixed support of bearing, can be flexible
It is rotated by 360 ° conductive, and in 39 tail end of rotatable electrode, the rotatable plectrum of installation can be arbitrarily adjusted according to angle demand
40 rotation angles, and fixed with hold-doun nut.Electric puzzle lock lock body 34 is used cooperatively with five anti-computer keys, when computer key is inserted
When entering electric puzzle lock lock body 34 and pressing unblock button, unlock operating stick while rotating clockwise 90 degree rotatable plectrum 40 also revolve
It turn 90 degrees to stir insulation stroke push rod 41 and move upwards, so that common 36 is disconnected normally-closed contact 37 and connect normally opened contact 35
To achieve the purpose that electric loop solution lock control.Fixed electrode 42 is placed in electric puzzle lock lock body by the 42 fixed supports of fixed electrode
It is non-rotatable conductive inside 34, support is imported and fixed for the Fixed latches reliable location to computer key.It unclamps
When computer key unblock button, unlock operating stick drives rotatable plectrum 40 to rotate counterclockwise 90 degree, and auxiliary contact and insulation are gone
Auto-returned under the action of spring leaf 38 of journey push rod 41 keeps original state.
The contact includes at least three, is respectively set to normally opened contact 35, common 36, normally-closed contact 37, public
Contact 36 is arranged between normally opened contact 35 and normally-closed contact 37, and each contact is separately positioned on a copper conductor.It is described can
39 bar one end of rotation electrode is connected with rotation plectrum 40, and rotation plectrum 40 is against the end of insulation stroke push rod 41, the insulation
Multiple copper conductor plectrums are provided on stroke push rod 41, copper conductor plectrum is separately positioned on the either above or below of copper conductor.
Specifically, the contact is preferably three, it is respectively set to normally opened contact 35, common 36, normally-closed contact
37, common 36 is arranged between normally opened contact 35 and normally-closed contact 37, and each contact is separately positioned on a copper conductor.
At this point, copper conductor plectrum is separately positioned on 35 lower section of normally opened contact, the top of normally-closed contact 37 and common 36.Rotate plectrum
40 in the rotary course of electrode stem drive insulation stroke lever move up or down, while copper conductor plectrum stir copper conductor to
It goes up perhaps downward and controls the contact between multiple contacts or separate.In the process, when the stroke lever that insulate moves up, band
The copper conductor plectrum of dynamic common 36 is moved up up to resisting the copper conductor of normally-closed contact 37, and moves up it, normally-closed contact 37
Common 36 cannot contact again in the process, and then moving up for normally opened contact 35 contacts series connection with common 36.Conversely,
When the stroke lever that insulate moves down, then normally-closed contact 37 is driven to connect with common 36.Multiconductor is provided separately, and will be multiple auxiliary
It helps contact closing to be mounted in anti-short circuit box to be managed, two electrodes are not directly accessed breaker or isolator operation circuit
In, it is directly operated with realizing that anti-positive and negative are shorted five anti-electric puzzle locks.
When normally opened contact 35, normally-closed contact 37 are connected with external connecting function circuit, normally opened contact 35 can realize that starting five is anti-
Unlock keeps circuit, is used as breaker, the locking of isolator operation circuit；Its normally-closed contact 37 can realize that starting is illegal short
It connects locked loop or releases illegal short circuit locked loop.
The second level electricity puzzle lock is five unlocking prevention electricity puzzle locks, and each five unlocking preventions electricity puzzle lock has been arranged in a one-to-one correspondence
Fuse.
Control bus disconnecting link and route are respectively arranged in the total cabinet 31 of the bus isolating switch and the total cabinet 32 of line switching
The three-phase motor of disconnecting link opening and closing, and it is provided in anti-error control cabinet 18 the power supply unlock control loop of three-phase motor.
When specifically used, as shown in Figure 1, integrated installation has ac control power supply 1, exchange control in anti-error control cabinet 18
The total air switch 2DK (3) of power supply air switch 1DK (2), electrical source of power, emergency release button 4, indicator light fuse 5, intelligence
Speech horn PS (6), power supply indicator LD1 (7), five unlocking prevention indicator light HD1 (8), indicator light HD2 (9) is illegally unlocked, is urgent
It unlocks indicator light HD3 (10), be shorted locking relay KM1 (11), five unlocking prevention relay KM2 (12), emergency release relay
KM3 (13), five unlocking prevention time relay sjs 1 (14), level-one electricity puzzle lock 15.The total cabinet 31 of bus isolating switch and line switching
It is separately positioned on the outside of anti-error control cabinet 18 in total cabinet 32, and anti-error control cabinet 18 is connected to by secondary cable 33, and
Second level electricity puzzle lock is provided in the total cabinet 31 of bus isolating switch and the total cabinet 32 of line switching, that is, in the prior art five prevent
Electric puzzle lock.
As shown in Fig. 2-Fig. 3, be explained in detail circuit theory of the invention, two electrodes of level-one electricity puzzle lock 15 with it is short
It meets locking relay KM1 (11) to be series in anti-short circuit locked loop, triggers locked loop as illegal operation.Once illegal short
When connecing the operation circuit, moment is shorted locking relay KM1 (11) excitation actuating；Normally opened contact KM1-1 is closed self-sustaining；It is normally closed
Contact KM1-6, which is disconnected, is latched female knife Electronic control circuit；Normally-closed contact KM1-7 disconnects locking line knife Electronic control circuit；It is normally closed
Contact KM1-2 disconnects five unlocking preventions and electric blocking circuit and (prevents five unlocking prevention circuit malfunctions, and release illegal operation latch like
State)；Normally opened contact KM1-4 closure starting voice prompting circuit intelligent sound loudspeaker prompt " illegal operation, quiescing " comes
Alert illegal operation personnel；It is bright that normally opened contact KM1-3 is closed " illegally unlocking indicator light "；Normally opened contact KM1-5 closure starting is public
Observing and controlling remote alarm circuit is altogether to inform that Dispatchers on duty working site has unauthorized person to be shorted five anti-electric puzzle lock operation behaviors.
The anti-short circuit locked loop needs administrative staff to release or lead to by five prevention logic step once starting all operations of Permanent lockout
It crosses urgent unblock button 4 and carries out blocking releasing.
And normal five unlocking preventions operation: the concentration error-proof device connects breaker electric blocking contact DL1 (16)
In five unlocking prevention circuits, when operating female knife and line knife, it is necessary to first confirm that breaker punishes gate position, is just able to satisfy operating condition,
It effectively prevent the pernicious electric fault-operation accident of on-load broaching tool lock to occur.It makes out an invoice and conducts electricity using temperature survey by c omputer progress logic
Brain key, when computer key insertion level-one electricity puzzle lock 15 is unlocked operation, normally-closed contact built in electric puzzle lock
37SQ1-1 disconnects anti-short circuit locked loop, and normally opened contact 35SQ1-2 closure connects five unlocking prevention circuits and electric blocking circuit,
Five unlocking prevention relay KM2 (12) excitation actuatings, five unlocking prevention time relay sj 1 (14) excitation actuating timing (unlocked states
Keep timing 5min), instantaneous contacts SJ1-2 closure is connected the prompt of intelligent sound circuit intelligent sound loudspeaker and " correctly, please be grasped
Make！", normally opened contact KM2-1 is closed self-sustaining, and normally opened contact KM2-3 is closed five unlocking prevention indicator light HD1 (8) and lights, normally closed touching
Point KM2-2, KM2-4, which are disconnected, releases anti-short circuit locked loop function, and normally opened contact KM2-5 closure is female knife, line knife motor and control
Circuit processed provides continuously operating power supply, and computer key is inserted into the anti-electric puzzle lock WF1 (24) of female knife five, line by subsequent operator on duty
The anti-electric puzzle lock WF2 (28) of knife five can carry out breaking-closing operating to its female knife, line knife, complete entire unlock operating process.
The operation of special circumstances emergency release: when in emergency circumstances needing unlock, administrator can open door handle lock 17 immediately
Flicking emergency release button 4, normally-closed contact SA1-1 disconnect anti-short circuit circuit, five unlocking prevention circuits, and normally opened contact SA1-2 is closed
Close starting emergency release control loop, emergency release relay KM3 (13) excitation actuating, the urgent solution of normally opened contact KM3-2 closure
Lock indicator light HD3 (10) is lighted, and normally opened contact KM3-1 closure provides sustainable urgent for female knife, line knife motor and control loop
Operation power, to guarantee all operations of emergency.
In Fig. 2-Fig. 3, component cooperation must be wanted according to south electric network " substation's AC and DC power supply System Technical Specification "
" c-type " air switch should be selected by seeking power end, and " Type B " air switch is selected in end, power end " c-type " air switch and with exchange
Control power supply air switch 1DK (2) (2), the total air switch 2DK (3) of electrical source of power, indicator light fuse 5, fuse FU2
(23), there is fuse FU3 (27) selective incubation to cut off failure, to realize Graded coordination.Power supply, control loop is avoided to get over
Grade tripping expansion accident range.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. one kind keeps apart official seal short-circuit operation system, including the total cabinet of anti-error control cabinet, bus isolating switch, line disconnecting switch
It is integrated with electric locking circuit and electric control loop in total cabinet, the total cabinet of bus isolating switch and the total cabinet of line switching, it is special
Sign is: the total cabinet of the bus isolating switch and the total cabinet of line disconnecting switch pass through secondary cable respectively and are switched to anti-error control
Case；Level-one electricity puzzle lock is provided in the anti-error control cabinet, and level-one electricity puzzle lock and short circuit locking relay are in series
Anti- short circuit locked loop；It is connected to respectively by second level electricity puzzle lock in the total cabinet of the bus isolating switch and the total cabinet of line switching anti-
It is shorted locked loop.
2. according to claim 1 keep apart official seal short-circuit operation system, it is characterised in that: in the anti-error control cabinet also
It include ac control power supply, ac control power supply air switch, electric locking contact, five unlocking prevention circuits and emergency release control
Circuit processed, and five unlocking prevention circuits and emergency release control loop are wired to electric locking contact.
3. according to claim 2 keep apart official seal short-circuit operation system, it is characterised in that: five unlocking prevention controls back
Road includes the normal open switch of five unlocking prevention relays and state of a control switching, and is parallel with five in five unlocking prevention control loops and prevents
Unlock control circuit of prescribing a time limit.
4. according to claim 3 keep apart official seal short-circuit operation system, it is characterised in that: five unlocking prevention is controlled in limited time
Circuit processed includes the five unlocking prevention time relays and control switch.
5. according to claim 2 keep apart official seal short-circuit operation system, it is characterised in that: the emergency release controls back
Road includes the normally-closed contact being connected on ac control power supply and normally opened contact and control normally-closed contact and normally opened contact switching
The unblock button of switch, the normally opened contact electric blocking are provided with emergency release relay between contact.
6. according to claim 1 keep apart official seal short-circuit operation system, it is characterised in that: the level-one electricity puzzle lock is
Five anti-electric puzzle locks of anti-positive and negative short-circuit operation, including the rotation electrode and fixed electrode, wiring being mounted in anti-short circuit box
Terminal, the computer key being adapted to lock body；The connecting terminal is extended respectively by more copper conductors and multiple is mutually disconnected
Contact, insulation stroke push rod is connected between multiple contacts, and insulation stroke push rod one end is connected on rotation electrode.
7. according to claim 6 keep apart official seal short-circuit operation system, it is characterised in that: the contact includes at least three
It is a, it is respectively set to normally opened contact, common, normally-closed contact, common is arranged between normally opened contact and normally-closed contact,
Each contact is separately positioned on a copper conductor.
8. keeping apart official seal short-circuit operation system according to as claimed in claim 6, it is characterised in that: rotatable electrode bar one end
It is connected with rotation plectrum, rotation plectrum is against the end of insulation stroke push rod, is provided with multiple copper on the insulation stroke push rod
Conducting wire plectrum, copper conductor plectrum are separately positioned on the either above or below of copper conductor.
9. according to claim 1 keep apart official seal short-circuit operation system, it is characterised in that: the second level electricity puzzle lock is
Five unlocking prevention electricity puzzle locks, each five unlocking preventions electricity puzzle lock have been arranged in a one-to-one correspondence fuse.
10. according to claim 1 keep apart official seal short-circuit operation system, it is characterised in that: the bus isolating switch
The three-phase motor of control bus disconnecting link and the opening and closing of route disconnecting link is respectively arranged in total cabinet and the total cabinet of line switching, and in anti-error control
The power supply unlock control loop of three-phase motor is provided in case processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353235.1A CN110416018B (en) | 2019-04-29 | 2019-04-29 | Short circuit prevention operating system for isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353235.1A CN110416018B (en) | 2019-04-29 | 2019-04-29 | Short circuit prevention operating system for isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110416018A true CN110416018A (en) | 2019-11-05 |
| CN110416018B CN110416018B (en) | 2021-06-29 |
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ID=68357844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353235.1A Active CN110416018B (en) | 2019-04-29 | 2019-04-29 | Short circuit prevention operating system for isolating switch |
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| Country | Link |
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| CN (1) | CN110416018B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004254369A (en) * | 2003-02-18 | 2004-09-09 | Hitachi Ltd | Power line short circuit protection relay system |
| CN204947337U (en) * | 2015-07-22 | 2016-01-06 | 常州埃依琦科技有限公司 | A kind of anti-misoperation apparatus of electric force looped network cabinet |
| CN207068702U (en) * | 2017-06-16 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of anti-short circuit electric coding lock |
| CN207835061U (en) * | 2018-02-12 | 2018-09-07 | 日新恒通电气有限公司 | A kind of ring main unit two-way inlet wire is switched fast control circuit |
| CN108879965A (en) * | 2018-09-06 | 2018-11-23 | 云南电网有限责任公司保山供电局 | A kind of substation isolating-switch motor power long-range control method |
| CN209805411U (en) * | 2019-04-29 | 2019-12-17 | 贵州电网有限责任公司 | Short circuit prevention operating system of isolating switch |
-
2019
- 2019-04-29 CN CN201910353235.1A patent/CN110416018B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004254369A (en) * | 2003-02-18 | 2004-09-09 | Hitachi Ltd | Power line short circuit protection relay system |
| CN204947337U (en) * | 2015-07-22 | 2016-01-06 | 常州埃依琦科技有限公司 | A kind of anti-misoperation apparatus of electric force looped network cabinet |
| CN207068702U (en) * | 2017-06-16 | 2018-03-02 | 广东电网有限责任公司佛山供电局 | A kind of anti-short circuit electric coding lock |
| CN207835061U (en) * | 2018-02-12 | 2018-09-07 | 日新恒通电气有限公司 | A kind of ring main unit two-way inlet wire is switched fast control circuit |
| CN108879965A (en) * | 2018-09-06 | 2018-11-23 | 云南电网有限责任公司保山供电局 | A kind of substation isolating-switch motor power long-range control method |
| CN209805411U (en) * | 2019-04-29 | 2019-12-17 | 贵州电网有限责任公司 | Short circuit prevention operating system of isolating switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110416018B (en) | 2021-06-29 |
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