CN106787220A - A kind of power industry is based on the automatic resetting device of the hand resetting signal of GSM technology - Google Patents
A kind of power industry is based on the automatic resetting device of the hand resetting signal of GSM technology Download PDFInfo
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- CN106787220A CN106787220A CN201710191572.6A CN201710191572A CN106787220A CN 106787220 A CN106787220 A CN 106787220A CN 201710191572 A CN201710191572 A CN 201710191572A CN 106787220 A CN106787220 A CN 106787220A
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- involution
- control module
- electromagnet
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- signal
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- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000012790 confirmation Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 16
- 230000009466 transformation Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012857 repacking Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- H02J13/0075—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The automatic resetting device of the hand resetting signal of GSM technology is based on the present invention relates to a kind of power industry, electromagnetic drive mechanism, gsm module, main control module are set；Electromagnetic drive mechanism is arranged on field apparatus by mounting bracket, and the electromagnet of electromagnetic drive mechanism is just to the reset key of field apparatus；Automatic resetting step is：The number of the SIM in remote speech calling gsm module, when the SIM in gsm module receives calling, master control module controls electromagnetic drive mechanism, electromagnet is moved towards reset key, presses reset key, involution alarm signal.Implementation of the invention; when protection device can be made alarm signal occur; operation maintenance personnel can realize the quick involution alarm signal in a distant place by communicator (such as phone), realize that operation maintenance personnel need not go the alarm signal of involution protection device to substation field.
Description
Technical field
The present invention relates to power industry power transformation O＆M professional domain, GSM is based on more specifically to a kind of power industry
The automatic resetting device of the hand resetting signal of technology.
Background technology
Some can be automatic resetting to the alarm signal that secondary device device sends in transformer station, and a part can lead to
Crossing dispatching and monitoring IES600 systems carries out distant place involution, and also there is a part of alarm signal cannot be answered by first two mode
Return, it is necessary to which by operation maintenance personnel special trip, the transformer station that drives in a vehicle to goes involution.Involution is carried out not in time for such alarm signal
Words, can have a strong impact on the normal operation of power system.
And the hand resetting method of the alarm signal of this kind of hand resetting has the disadvantage that：
1st, involution elapsed time is long, and operation maintenance personnel and maintainer need to drive to rush for transformer station, and time-consuming, average to need
2-3 hours；
2nd, operation of power networks risk of instability is increased, protection device has alarm, influence is brought on operation of power networks for a long time, increases
Power up the destabilizing factor risk of net；
3rd, operation maintenance personnel security risk is big, and operation maintenance personnel trip is particularly gone on a journey in thunderstorm weather, with certain safety
Risk；
4th, waste of manpower resource, operation maintenance personnel need spend one day 1/3rd man-hour re-setting device alarm on,
Serious waste human resources.
The reason for causing disadvantages mentioned above is outmoded equipment, it is impossible to realize automatic resetting function, and transformation and upgrade high cost,
Cycle is long, it is impossible to all upgradings of old equipment completely in the short time.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of effectively changing for old devices with low cost
Make, realize that the power industry of remote auto involution is based on the automatic resetting device of the hand resetting signal of GSM technology.
Technical scheme is as follows：
A kind of automatic resetting device of hand resetting signal of the power industry based on GSM technology, setting electromagnetic drive mechanism,
Gsm module, main control module；Electromagnetic drive mechanism is arranged on field apparatus by mounting bracket, the electromagnet of electromagnetic drive mechanism
Just to the reset key of field apparatus；Automatic resetting step is：The number of the SIM in remote speech calling gsm module, when
When SIM in gsm module receives calling, master control module controls electromagnetic drive mechanism, electromagnet is moved towards reset key,
Press reset key, involution alarm signal.
Preferably, programmable button duration, right after reaching programmable button duration after the motion of master control module controls electromagnet
Electromagnetic drive mechanism is powered off, and electromagnet resets, and discharges reset key.
Preferably, mounting bracket includes fixed seat, installing arm, fixed seat is installed on field apparatus, and installing arm direction resets
Button extends, and electromagnetic drive mechanism is arranged in installing arm, and electromagnet is just to the reset key of field apparatus.
Preferably, installing arm is extended with front limit wing, rear spacing wing vertically, electromagnetic drive mechanism is arranged at front limit
Between wing, rear spacing wing, front limit wing, rear spacing wing offer symmetrical perforation, and electromagnet is arranged in front limit wing, electricity successively
Magnetic driving mechanism, rear spacing wing.
Preferably, after the call setup of SIM, the motion of master control module controls electromagnet, reset key be pressed and
After alarm signal involution, master control module controls SIM call establishment, and send the voice messaging of involution confirmation.
Preferably, default involution duration, after default involution duration is reached after the motion of master control module controls electromagnet, accuses
The non-involution of signal is warned, then master control module controls SIM call establishment, and send the voice messaging of involution failure.
Preferably, after the call setup of SIM, the motion of master control module controls electromagnet, reset key be pressed and
After alarm signal involution, master control module controls SIM is refused to listen calling, and sends the text information of involution confirmation.
Preferably, default involution duration, after default involution duration is reached after the motion of master control module controls electromagnet, accuses
The non-involution of alert signal, then master control module controls SIM is refused to listen calling, and sends the text information of involution confirmation.
Preferably, main control module by obtaining the involution state of alarm signal, judge alarm signal whether involution.
Beneficial effects of the present invention are as follows：
Power industry of the present invention is based on the automatic resetting device of the hand resetting signal of GSM technology, by GSM's
Audio call, you can trigger electromagnet carries out mechanical compression to reset key, realizes automatic resetting.For old equipment,
Device upgrade need not be carried out, it is only necessary to carry out appropriate repacking, the present invention is arranged in old equipment, you can realize needing
The old equipment of hand resetting alarm signal carries out automatic resetting.Implementation of the invention, can make protection device alarm letter occur
Number when, operation maintenance personnel can realize the quick involution alarm signal in a distant place by communicator (such as phone), realize operation maintenance personnel not
Need to substation field to go the alarm signal of involution protection device.
Brief description of the drawings
Fig. 1 is structure of the invention and scheme of installation；
In figure：10 is shell, and 20 is mounting bracket, and 21 is fixed seat, and 22 is installing arm, and 221 is front limit wing, after 222 are
Spacing wing, 223 is perforation, and 30 is electromagnetic drive mechanism, and 31 is electromagnet.
Specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
The present invention in order to solve in the prior art, during for the alarm signal for needing personnel's hand resetting, in electric power
The deficiency of the automation solutions of pass is temporarily found no in industry, there is provided a kind of power industry is based on the multiple manually of GSM technology
Return the automatic resetting device of signal, used as triggering, final control electromagnet carries out physics to the audio call using GSM to reset key
Pressing, realizes the automatic resetting of manual equipment, old equipment is reached the purpose of automatic improving.
Automatic resetting device of the present invention, including electromagnetic drive mechanism 30, gsm module, main control module；Wherein, GSM
Module is used for the reception of trigger signal, and the present invention is based on GSM technology, with audio call as trigger signal；Main control module is used to examine
The signal of gsm module is surveyed, and electromagnetic drive mechanism 30 is controlled；Electromagnetic drive mechanism 30 is controlled by main control module, right
Reset key carries out physical depression, realizes that involution is automated indirectly.As shown in figure 1, gsm module is outer with main control module and power supply etc.
Enclose circuit to be arranged in shell 10, shell 10 is arranged on field apparatus.Electromagnetic drive mechanism 30 is arranged at by mounting bracket 20
On field apparatus, the electromagnet 31 of electromagnetic drive mechanism 30 is just to the reset key of field apparatus；Automatic resetting step is：Remotely
The number of the SIM in audio call gsm module, when the SIM in gsm module receives calling, master control module controls electricity
Magnetic driving mechanism 30, electromagnet 31 is moved towards reset key, presses reset key, involution alarm signal.The present invention is in pressing
After complete reset key, reset key is discharged after certain duration.In the present invention, programmable button duration, in master control module controls
After electromagnet 31 reaches programmable button duration after moving, electromagnetic drive mechanism 30 is powered off, electromagnet 31 resets, release reset is pressed
Key.
Because the present invention is that then the present invention is to be installed in the equipment on field apparatus for the repacking to old equipment.
In the present invention, mounting bracket 20 includes fixed seat 21, installing arm 22, and fixed seat 21 is installed on field apparatus, and installing arm 22 is towards again
Position button extends, and electromagnetic drive mechanism 30 is arranged in installing arm 22, and electromagnet 31 is just to the reset key of field apparatus, then electric
Magnet 31 travels forward, you can to reset key carry out physical depression.
In the present embodiment, installing arm 22 is extended with front limit wing 221, rear spacing wing 222 vertically, and electromagnetic drive mechanism 30 sets
It is placed between front limit wing 221, rear spacing wing 222, front limit wing 221, rear spacing wing 222 offer symmetrical perforation 223, electricity
Magnet 31 is arranged in front limit wing 221, electromagnetic drive mechanism 30, rear spacing wing 222 successively, then electromagnet 31 can be in front limit
Moved forward and backward on the path that wing 221, electromagnetic drive mechanism 30, rear spacing wing 222 are constituted, completed the pressing to reset key
With release.
It is as follows respectively the invention provides the feedback function of automatic resetting result：
First, involution success：After the call setup of SIM, master control module controls electromagnet 31 is moved, and reset key is pressed
After lower and alarm signal involution, master control module controls SIM call establishment, and send the voice messaging of involution confirmation.
Involution fails：Default involution duration, after default involution duration is reached after the motion of master control module controls electromagnet 31,
The non-involution of alarm signal, then master control module controls SIM call establishment, and send the voice messaging of involution failure.
When voice messaging is finished, call is terminated immediately.
2nd, involution success：After the call setup of SIM, master control module controls electromagnet 31 is moved, and reset key is pressed
Down and after alarm signal involution, master control module controls SIM is refused to listen calling, and sends the text information of involution confirmation.
Involution fails：Default involution duration, after default involution duration is reached after the motion of master control module controls electromagnet 31,
The non-involution of alarm signal, then master control module controls SIM is refused to listen calling, and sends the text information of involution confirmation.
Feding back through for automatic resetting result obtains involution state and carries out.In the present embodiment, main control module is by obtaining
The involution state of alarm signal, judge alarm signal whether involution.
Implement economic benefit of the invention：
When the protection device of field apparatus sends alarm signal, operation maintenance personnel takes O＆M vehicle and reaches transformer station's involution letter
Number, the human resources for needing in this manner have 2 operation maintenance personnels and 1 each driver, and material resources are 1 O＆M vehicle, financial resources
It is the fuel cost and high speed pass cost of vehicle traveling, average travel time 2-3 hours, is counted according to nearly three yearly amount of work, often
Financial cost for alarm signal of involution (including：Manually, vehicle, transportation expenses) it is average about 1000 yuan.
45 transformer stations are administered in Longyan electric company power transformation O＆M room, occur 21.2 such alarm letters an average week
Number, then it is (week)=114.48 ten thousand yuan of 1000 (unit) * 21.2 (times/week) * 54 that a Nian Kewei companies save financial cost.Longyan supplies
Electric company's power transformation O＆M room has filled 73 devices of the present invention altogether in the transformer station administered, and operating cost of the invention is
Phonecard monthly 13 yuan of basic communication fee, cost is (moon)=1.1388 ten thousand yuan of 73 (individual) * 13 (unit) * 12, can be saved every year
About financial cost is ten thousand yuan of 114.48-1.1388=113.34, is every year 113.34 ten thousand yuan of company's indirect earnings.
In summary calculate, automatic resetting device of the present invention is applied in Guo Wang Longyan electric company power transformation O＆M room,
113.34 ten thousand yuan can be saved.
Above is the economic benefit that Guo Wang Longyan electric company power transformation O＆M room directly produces, if further genralrlization should
With its economic benefit will be more considerable.
Implement social benefit of the invention：
(1) due to implementation of the invention, transformer station's alarm time is effectively reduced, eliminates power grid operation interference
Factor, provide the user stabilization high-quality electric energy, not only power-assisted in lifting electric company good service favorable image, while
Also the satisfaction of Electricity customers is improved, the rate of complaints of Electricity customers is reduced.
(2) particularly in thunderstorm weather trip, with certain security risk, the present invention can allow fortune for operation maintenance personnel trip
Dimension personnel carry out involution in O＆M station to substation signal, it is not necessary to go on a journey by bus, the driving peace of direct hedge operation maintenance personnel
Full blast danger.
(3) present invention can quickly complete alarm signal involution action.When monitoring Advise By Wire operation maintenance personnel needs involution
During alarm signal, it is not necessary to drive to rush for scene (consuming 0.8-1.5 hours during the one way range of driving) again, correspondence alarm device is put through immediately
SIM number in the present invention of upper installing is to be capable of achieving involution action (when consume 1 minute).
(4) for this cannot automatic resetting alarm signal, operation maintenance personnel involution such signal comes and goes needs 50 to 90 points
Clock, is calculated for 8 hours by darg, when involution such signal demand occupancy operation maintenance personnel 1/8th even more works
Between.The present invention can carry out remote auto involution to such alarm signal, it is only necessary to can complete involution operation within 1 minute, allow fortune
Dimension personnel have more time-triggered protocols other affairs, improve O＆M specialty human resources.
(5) in GSM technology being applied into power generation, power system automation level is improved energetically, further promote electricity
The paces of the power production automation.
(6) at peak period on and off duty, urban road very congestion, if run into the adverse circumstances such as thunderstorm weather, traffic
It is not smooth, and under this kind of weather, network system is easier all kinds of alarm signals occur, if in original slot signal mode
To perform, the burden of urban road is increased, use this slot signal device, it is possible to reduce the trip of vehicle, alleviate city
Traffic congestion.
(7) implementation of the invention reduces VMT Vehicle-Miles of Travel, reduces fuel oil loss, has saved the energy and not of society
Renewable resource.
(8) implementation of the invention, vehicle reduces travel times and mileage, reduces the tail gas to airborne release, is city
City's construction of environmental protection is contributed.
Above-described embodiment is intended merely to the explanation present invention, and is not used as limitation of the invention.As long as according to this hair
Bright technical spirit, is changed, modification etc. will all fall in the range of claim of the invention to above-described embodiment.
Claims (9)
1. a kind of power industry is based on the automatic resetting device of the hand resetting signal of GSM technology, it is characterised in that set electromagnetism
Drive mechanism, gsm module, main control module；Electromagnetic drive mechanism is arranged on field apparatus by mounting bracket, electromagnetic drive mechanism
Electromagnet just to the reset key of field apparatus；Automatic resetting step is：Remote speech calls the SIM in gsm module
Number, when the SIM in gsm module receives calling, master control module controls electromagnetic drive mechanism, electromagnet is pressed towards resetting
Key motion, presses reset key, involution alarm signal.
2. power industry according to claim 1 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, programmable button duration, after reaching programmable button duration after the motion of master control module controls electromagnet, to Electromagnetic Drive machine
Structure is powered off, and electromagnet resets, and discharges reset key.
3. power industry according to claim 1 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, mounting bracket includes fixed seat, installing arm, fixed seat is installed on field apparatus, and installing arm extends towards reset key, electricity
Magnetic driving mechanism is arranged in installing arm, and electromagnet is just to the reset key of field apparatus.
4. power industry according to claim 2 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, installing arm is extended with front limit wing, rear spacing wing vertically, electromagnetic drive mechanism is arranged at front limit wing, rear spacing wing
Between, front limit wing, rear spacing wing offer symmetrical perforation, electromagnet be arranged in successively front limit wing, electromagnetic drive mechanism,
Spacing wing afterwards.
5. power industry according to claim 1 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, after the call setup of SIM, the motion of master control module controls electromagnet, reset key is pressed and alarm signal is multiple
Gui Hou, master control module controls SIM call establishment, and send the voice messaging of involution confirmation.
6. power industry according to claim 5 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, preset involution duration, after default involution duration is reached after the motion of master control module controls electromagnet, alarm signal is not multiple
Return, then master control module controls SIM call establishment, and send the voice messaging of involution failure.
7. power industry according to claim 1 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, after the call setup of SIM, the motion of master control module controls electromagnet, reset key is pressed and alarm signal is multiple
Gui Hou, master control module controls SIM is refused to listen calling, and sends the text information of involution confirmation.
8. power industry according to claim 7 is based on the automatic resetting device of the hand resetting signal of GSM technology, and it is special
Levy and be, preset involution duration, after default involution duration is reached after the motion of master control module controls electromagnet, alarm signal is not multiple
Return, then master control module controls SIM is refused to listen calling, and sends the text information of involution confirmation.
9. the power industry according to any one of claim 5 to 8 is based on the automatic resetting of the hand resetting signal of GSM technology
Device, it is characterised in that main control module by obtaining the involution state of alarm signal, judge alarm signal whether involution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191572.6A CN106787220B (en) | 2017-03-28 | 2017-03-28 | Automatic resetting device of manual resetting signal based on GSM technology in power industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191572.6A CN106787220B (en) | 2017-03-28 | 2017-03-28 | Automatic resetting device of manual resetting signal based on GSM technology in power industry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787220A true CN106787220A (en) | 2017-05-31 |
| CN106787220B CN106787220B (en) | 2019-12-17 |
Family
ID=58966785
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710191572.6A Active CN106787220B (en) | 2017-03-28 | 2017-03-28 | Automatic resetting device of manual resetting signal based on GSM technology in power industry |
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| Country | Link |
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| CN (1) | CN106787220B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063495A (en) * | 2018-01-17 | 2018-05-22 | 国网山西省电力公司检修分公司 | Transforming plant protecting signal automatic resetting device |
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| CN104407274A (en) * | 2014-11-28 | 2015-03-11 | 国家电网公司 | On-line power distribution line monitoring acquisition terminal supporting automatic resetting |
| CN104821660A (en) * | 2015-05-15 | 2015-08-05 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN204833048U (en) * | 2015-08-04 | 2015-12-02 | 国网江西省电力公司南昌供电分公司 | Can press device of button |
| CN105827871A (en) * | 2016-05-31 | 2016-08-03 | 国网江西省电力公司南昌供电分公司 | Equipment capable of remotely resetting signals |
| CN205829296U (en) * | 2016-05-31 | 2016-12-21 | 国网江西省电力公司南昌供电分公司 | A kind of device for high-tension switch cabinet slot signal |
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2017
- 2017-03-28 CN CN201710191572.6A patent/CN106787220B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201741596U (en) * | 2010-08-19 | 2011-02-09 | 施元耀 | Self-locking type intelligent switch |
| CN104407274A (en) * | 2014-11-28 | 2015-03-11 | 国家电网公司 | On-line power distribution line monitoring acquisition terminal supporting automatic resetting |
| CN104821660A (en) * | 2015-05-15 | 2015-08-05 | 国家电网公司 | Device for wireless resetting of protection signal of transformer station |
| CN204833048U (en) * | 2015-08-04 | 2015-12-02 | 国网江西省电力公司南昌供电分公司 | Can press device of button |
| CN105827871A (en) * | 2016-05-31 | 2016-08-03 | 国网江西省电力公司南昌供电分公司 | Equipment capable of remotely resetting signals |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108063495A (en) * | 2018-01-17 | 2018-05-22 | 国网山西省电力公司检修分公司 | Transforming plant protecting signal automatic resetting device |
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| CN106787220B (en) | 2019-12-17 |
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