CN104659759B - The intelligent operating mechanism of high voltage isolator - Google Patents
The intelligent operating mechanism of high voltage isolator Download PDFInfo
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- CN104659759B CN104659759B CN201510060566.8A CN201510060566A CN104659759B CN 104659759 B CN104659759 B CN 104659759B CN 201510060566 A CN201510060566 A CN 201510060566A CN 104659759 B CN104659759 B CN 104659759B
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- separating brake
- high voltage
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/14—Protecting elements, switches, relays or circuit breakers
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Abstract
The present invention relates to a kind of intelligent operating mechanisms of high voltage isolator, including temperature sensing unit, On-off signal unit, electric-motor drive unit, divide-shut brake action logic unit, protection value setting unit and CPU main control units, temperature sensing unit is connected to the first UART serial ports of CPU main control units, On-off signal unit is connected to the first I/O mouthfuls of CPU main control units, protection value setup unit is connected to the 2nd I/O mouthfuls of CPU main control units, CPU main control units are through divide-shut brake action logic unit, power amplification unit outputs control signals to the driving end of combined floodgate motor driving relay or separating brake motor driving relay respectively.When the temperature rise value of circuit where high voltage isolator is more than the overtemperature prote value of setting; under the cooperation of disconnecting switch position travel switch; CPU main control units send out control signal to divide-shut brake action logic unit; band pneumatic operating mechanism makes high voltage isolator separating brake; the isolation fracture of safety is formed, safe operating environment is provided for subsequent implementation maintenance.
Description
Technical field
The present invention relates to a kind of intelligent operating mechanisms of high voltage isolator.
Background technology
High-tension switch cabinet is because of longtime running or due to other reasons such as the electrical equipment agings in high-tension switch cabinet so that
Primary Component in high-tension switch cabinet is run under abnormal big Wen Sheng, and power failure is easily caused even to cause huge life
Property loss.When detecting that electric current is excessive, warm liter is excessively high, internal operating mechanism is acted and is disconnected traditional high-tension switch cabinet
Vacuum circuit breaker in cabinet, however the arc-chutes fracture stroke of vacuum circuit breaker is limited, if safety inspection, and higher level is switched
It operates a switch, will cause to have a power failure on a large scale.
Invention content
The defects of it is an object of the invention to overcome the prior art, providing one kind has overheat protection function, and work as Wen Sheng
When excessively high, high voltage isolator while separating brake form isolation fracture, meet the high_voltage isolation of the electrical distance requirement of safety inspection
The intelligent operating mechanism of switch.
To achieve the above object, the present invention uses the intelligent operating mechanism of such a high voltage isolator, including
Temperature sensing unit, including temperature transmitter, to sense the Wen Sheng of high voltage isolator；
On-off signal unit including closing switch, separating brake switch, in-place closing switch, separating brake location switch and stops
It only switchs, to the current disconnecting link position of input action instruction or the high voltage isolator；
Electric-motor drive unit drives relay and separating brake motor driving relay, respectively to for conjunction including combined floodgate motor
Lock motor or separating brake motor provide three phase supply power supply；
Divide-shut brake action logic unit, to export the connection of combined floodgate motor driving relay and separating brake motor driving relay
Lock control signal；
Protection value setting unit, to set the overtemperature prote value of the high voltage isolator；
And CPU main control units, the temperature sensing unit are connected to the first UART strings of the CPU main control units
Mouthful, the On-off signal unit is connected to the first I/O mouthful of the CPU main control units, and protection value setting is singly
Member is connected to the 2nd I/O mouthfuls of the CPU main control units, and the CPU main control units are through the divide-shut brake action logic
Unit, power amplification unit output control signals to the combined floodgate motor driving relay respectively or the separating brake motor drives
The driving end of motor type relay.Compared with the prior art, beneficial effects of the present invention are embodied in：Temperature is read by CPU main control units
The output of sensing unit when the temperature rise value of circuit where high voltage isolator is more than the overtemperature prote value of setting, is being kept apart
Under the cooperation of off position travel switch, CPU main control units send out control signal to divide-shut brake action logic unit, make separating brake motor
Relay is driven to obtain electric, separating brake motor operating, band pneumatic operating mechanism makes high voltage isolator separating brake, forms safe isolation and breaks
Mouthful, provide safe operating environment for subsequent implementation maintenance.
Particularly, the intelligent operating mechanism of the high voltage isolator further includes motor operating state monitoring unit, institute
The motor operating state monitoring unit stated occurs to detect in the separating brake motor and the combined floodgate motor operation course
Overcurrent or stall signal, and the 3rd I/O mouthfuls of the CPU main control units are input to, by the CPU master control lists
First output motor protection control signal realizes the combined floodgate motor driving relay to the divide-shut brake action logic unit
With the electric blocking control of the separating brake motor driving relay.By motor operating state monitoring unit monitoring separating brake motor and
The working condition of combined floodgate motor when the operation irregularity of separating brake motor and combined floodgate motor, cuts off separating brake motor and closes a floodgate electric in time
The working power of machine, protects operating mechanism not to be damaged, and prevents the further expansion of failure.
Particularly, the intelligent operating mechanism of the high voltage isolator further includes protection alarm unit, the protection
Alarm unit includes warning output relay, and the electric motor protecting controls rectified signal, filtering, the first phase inverter, first
RC time delay circuits, the second phase inverter pick out the drive signal of the warning output relay, second phase inverter it is defeated
Outlet is connected to the input terminal of first phase inverter through the first diode, first resistor.By the setting of more than circuit structure,
System sends out alarm in time for the failure of separating brake motor and combined floodgate motor, enables an operator to find failure in time and adopt
Measure is taken to exclude.
Particularly, separating brake motor control signal is filtered, third phase inverter, the 2nd RC time delay circuits, the 4th phase inverter connect
Go out the drive signal of separating brake motor driving relay, combined floodgate motor control signal is filtered, the 5th phase inverter, the 3rd RC time delays electricity
Road, hex inverter pick out the drive signal of combined floodgate motor driving relay, and the output terminal of the 4th phase inverter is through second
Diode, second resistance are connected to the input terminal of the third phase inverter, and the output terminal of the hex inverter is through the three or two
Pole pipe, 3rd resistor are connected to the input terminal of the 5th phase inverter, and the output terminal of the 4th phase inverter is also through the four or two
Pole pipe is connected to the input terminal of the hex inverter, and the output terminal of the hex inverter is also connected to institute through the 5th diode
The input terminal of the 4th phase inverter stated, the electric motor protecting control rectified signal, filtering, the 7th phase inverter, the 8th reverse phase
Device is respectively connected to the input terminal of the 4th phase inverter and the input terminal of the hex inverter, stops shutting-brake control letter
Number, stop separating brake control the signal rectified input terminal for being connected to the 4th phase inverter and the hex inverter respectively
Input terminal.By the setting of more than circuit structure, the separating brake motor driving drive signal of relay and combined floodgate motor can be realized
Drive relay drive signal interlocking, prevent separating brake motor and combined floodgate motor simultaneously it is electric, in addition, stop separating brake control believe
Number and stop energization control signal and smoothly control signal can be provided for the start and stop of separating brake motor and combined floodgate motor, and when separating brake is electric
When machine or combined floodgate motor break down, the AC power of separating brake motor or combined floodgate motor can be cut off in time.
Particularly, the input quantity of the closing switch, input quantity, the in-place closing of separating brake switch are opened
The input quantity of pass and the input quantity of the separating brake location switch are rectified respectively, partial pressure, filter, light-coupled isolation picks out separating brake
Signal, energization control signal, the separating brake that stops is controlled to control signal and the stopping energization control signal, described stops
The rectification output end of the rectified input quantity for being respectively connected to the separating brake location switch of input quantity only switched and the conjunction
The rectification output quantity of the input quantity of lock location switch.Pass through the setting of more than circuit structure so that intelligent operating mechanism can not only
The temperature rise value of circuit according to where high voltage isolator implements isolation disjunction, and operating personnel, which are also manually operable, makes its disjunction, and two
Kind operation mode meets the use demand of high-tension switch cabinet.
Particularly, the intelligent operating mechanism of the high voltage isolator further includes wireless remote control unit, and described is wireless
Remote control unit is connected to the 2nd UART serial ports of the CPU main control units.By the setting of wireless remote control unit, operating personnel can
Pass through hand-held remote control end remote control high voltage isolator.
Particularly, the wireless remote control unit includes remote control switch knob, remote control opening button and remote control releasing report
Alert button, the remote control switch knob, the remote control opening button and the remote control releasing alarm button are rectified simultaneously
It is connected to the input terminal of second phase inverter.By the setting of more than circuit structure, when operating personnel eliminate separating brake motor
Or combined floodgate motor failure when, can pass through the arbitrary button of wireless remote control unit release electric motor protecting warning output, operation facility.
Particularly, the intelligent operating mechanism of the high voltage isolator further includes humidity sensing unit and heating unit,
The output terminal of the humidity sensing unit is connected to the 3rd UART serial ports of the CPU main control units, the heating list
The control terminal of member is connected to the 4th I/O mouthfuls of the CPU main control units.By the setting of more than circuit structure, when height presses off
Humidity in the cabinet of pass is excessive or there are during condensation, and heating unit work, automatic dehumidifying removes condensation, is electrical in high-tension switch cabinet
The operation of device provides good environment.
Description of the drawings
Fig. 1 is a kind of functional-block diagram of the intelligent operating mechanism of high voltage isolator of the present invention；
Fig. 2 is the principle of divide-shut brake action logic unit in a kind of intelligent operating mechanism of high voltage isolator of the present invention
Figure；
Fig. 3 is the schematic diagram of On-off signal unit in a kind of intelligent operating mechanism of high voltage isolator of the present invention；
Fig. 4 is the schematic diagram that alarm unit is protected in a kind of intelligent operating mechanism of high voltage isolator of the present invention.
Specific embodiment
As shown in figures 1-4, a kind of intelligent operating mechanism of high voltage isolator, including
Temperature sensing unit, including temperature transmitter, to sense the Wen Sheng of high voltage isolator；
On-off signal unit including closing switch, separating brake switch, in-place closing switch, separating brake location switch and stops
It only switchs, to the current disconnecting link position of input action instruction or high voltage isolator；
Electric-motor drive unit drives relay and separating brake motor driving relay, respectively to for conjunction including combined floodgate motor
Lock motor M1 or separating brake motor M2 provides three phase supply power supply；
Divide-shut brake action logic unit, to export the connection of combined floodgate motor driving relay and separating brake motor driving relay
Lock control signal；
Protection value setting unit, to set the overtemperature prote value of high voltage isolator；
And CPU main control units, temperature sensing unit are connected to the first UART serial ports of CPU main control units, switching value is defeated
Enter the first I/O mouthfuls that unit is connected to CPU main control units, protection value setup unit is connected to the 2nd I/O of CPU main control units
Mouthful, CPU main control units output control signals to combined floodgate motor through divide-shut brake action logic unit, power amplification unit and drive respectively
The driving end of relay or separating brake motor driving relay.
The intelligent operating mechanism of high voltage isolator further includes motor operating state monitoring unit, motor operating state monitoring
Unit is inputted to detect the signal of the overcurrent occurred in separating brake motor M2 and combined floodgate motor M1 operational process or stall
To the 3rd I/O mouthfuls of CPU main control units, control signal BH_OUT is protected to act to divide-shut brake by CPU main control units output motor
Logic unit realizes the electric blocking control of combined floodgate motor driving relay and separating brake motor driving relay.
The intelligent operating mechanism of high voltage isolator further includes protection alarm unit, and protection alarm unit includes warning output
Relay, electric motor protecting control signal BH_OUT rectified, filtering, the first phase inverter U1B, the first RC time delay circuits, second instead
Phase device U1D picks out the drive signal BJ_CON of warning output relay, and the output terminal of the second phase inverter U1D is through the first diode
D19, first resistor R22 are connected to the input terminal of the first phase inverter U1B.
Separating brake motor control signal FZ_OUT is filtered, third phase inverter U2A, the 2nd RC time delay circuits, the 4th phase inverter
U2B picks out the drive signal FZ_CON of separating brake motor driving relay, and combined floodgate motor control signal HZ_OUT is filtered, the 5th anti-
Phase device U2C, the 3rd RC time delay circuits, hex inverter U2D pick out the drive signal HZ_CON of combined floodgate motor driving relay, the
The output terminal of four phase inverter U2B is connected to the input terminal of third phase inverter U2A through the second diode D2, second resistance R1, and the 6th is anti-
The output terminal of phase device U2D is connected to the input terminal of the 5th phase inverter U2C, the 4th phase inverter through third diode D10,3rd resistor R8
The output terminal of U2B is also connected to the input terminal of hex inverter U2D through the 4th diode D8, and the output terminal of hex inverter U2D is also
Be connected to the input terminal of the 4th phase inverter U2B through the 5th diode D7, electric motor protecting control signal BH_OUT is rectified, filtering, the
Seven phase inverter U2E, the 8th phase inverter U2F are respectively connected to the input of the input terminal and hex inverter U2D of the 4th phase inverter U2B
End stops energization control signal HZ_STOP, stopping separating brake controlling signal FZ_STOP is rectified to be respectively connected to the 4th phase inverter U2B
Input terminal and hex inverter U2D input terminal.
The input quantity HZ_ that the input quantity HZ_S of closing switch, the input quantity FZ_S of separating brake switch, in-place closing switch
The input quantity FZ_STOP_S of STOP_S and separating brake location switch difference it is rectified, partial pressure, filtering, optocoupler U3, U4, U5, U6 every
Signal FZ_STOP and stopping energization control signal being controlled from picking out separating brake control signal FZ, energization control signal HZ, stopping separating brake
The rectified rectification of input quantity FZ_STOP_S for being respectively connected to separating brake location switch of HZ_STOP, the input quantity TZ_S of shutdown switch
The rectification output quantity of the input quantity HZ_STOP_S of output terminal and in-place closing switch.
The intelligent operating mechanism of high voltage isolator further includes wireless remote control unit, and wireless remote control unit is connected to CPU master controls
2nd UART serial ports of unit.
Wireless remote control unit includes remote control switch knob Y_HZ, remote control opening button Y_FZ and remote control releasing alarm is pressed
Button Y_JCBJ, remote control switch knob Y_HZ, remote control opening button Y_FZ are rectified with remote control releasing alarm button Y_JCBJ and connect
To the input terminal of the second phase inverter U1D.
The intelligent operating mechanism of high voltage isolator further includes humidity sensing unit and heating unit, humidity sensing unit
Output terminal is connected to the 3rd UART serial ports of CPU main control units, and the control terminal of heating unit is connected to the 4th of CPU main control units the
I/O mouthfuls.
Claims (10)
1. a kind of intelligent operating mechanism of high voltage isolator, it is characterised in that：Including
Temperature sensing unit, including temperature transmitter, to sense the Wen Sheng of high voltage isolator；
On-off signal unit including closing switch, separating brake switch, in-place closing switch, separating brake location switch and stops opening
It closes, to the current disconnecting link position of input action instruction or the high voltage isolator；
Electric-motor drive unit drives relay and separating brake motor driving relay, respectively to electric to close a floodgate including combined floodgate motor
Machine or separating brake motor provide three phase supply power supply；
Divide-shut brake action logic unit, to export the interlocking control of combined floodgate motor driving relay and separating brake motor driving relay
Signal processed；
Protection value setting unit, to set the overtemperature prote value of the high voltage isolator；
And CPU main control units, the temperature sensing unit are connected to the first UART serial ports of the CPU main control units,
The On-off signal unit is connected to the first I/O mouthful of the CPU main control units, protection value setup unit company
Be connected to the 2nd I/O mouthfuls of the CPU main control units, the CPU main control units through the divide-shut brake action logic unit,
Power amplification unit output control signals to respectively the combined floodgate motor driving relay or separating brake motor driving after
The driving end of electric appliance；
Wherein, separating brake motor control signal is filtered, third phase inverter, the 2nd RC time delay circuits, the 4th phase inverter pick out separating brake
Motor drives the drive signal of relay, combined floodgate motor control signal is filtered, the 5th phase inverter, the 3rd RC time delay circuits, the
Hex inverter picks out the drive signal of combined floodgate motor driving relay, and the output terminal of the 4th phase inverter is through the two or two pole
Pipe, second resistance are connected to the input terminal of the third phase inverter, the output terminal of the hex inverter through third diode,
3rd resistor is connected to the input terminal of the 5th phase inverter, and the output terminal of the 4th phase inverter also connects through the 4th diode
To the input terminal of the hex inverter, the output terminal of the hex inverter is also connected to described the through the 5th diode
The input terminal of four phase inverters.
2. the intelligent operating mechanism of high voltage isolator according to claim 1, it is characterised in that：The high_voltage isolation
The intelligent operating mechanism of switch further includes motor operating state monitoring unit, and the motor operating state monitoring unit is examining
Go out the signal of the overcurrent occurred in the separating brake motor and the combined floodgate motor operation course or stall, and be input to
The 3rd I/O mouthfuls of the CPU main control units, by the CPU main control units output motor protection control signal to described
Divide-shut brake action logic unit realizes the electricity of the combined floodgate motor driving relay and separating brake motor driving relay
Gas-tight lock control.
3. the intelligent operating mechanism of high voltage isolator according to claim 2, it is characterised in that：The high_voltage isolation
The intelligent operating mechanism of switch further includes protection alarm unit, and the protection alarm unit includes warning output relay, institute
Described in signal is rectified for the electric motor protecting control stated, filtering, the first phase inverter, the first RC time delay circuits, the second phase inverter pick out
Warning output relay drive signal, the output terminal of second phase inverter is connected to through the first diode, first resistor
The input terminal of first phase inverter.
4. the intelligent operating mechanism of high voltage isolator according to claim 2, it is characterised in that：The electric motor protecting
The input terminal of the 4th phase inverter described in signal is rectified for control, filtering, the 7th phase inverter, the 8th phase inverter are respectively connected to and institute
The input terminal of hex inverter stated, stop energization control signal, stop separating brake control signal respectively it is rectified be connected to it is described
The input terminal of 4th phase inverter and the input terminal of the hex inverter.
5. the intelligent operating mechanism of high voltage isolator according to claim 3, it is characterised in that：Separating brake motor control letter
Number filtered, third phase inverter, the 2nd RC time delay circuits, the 4th phase inverter pick out the driving letter of separating brake motor driving relay
Number, combined floodgate motor control signal is filtered, the 5th phase inverter, the 3rd RC time delay circuits, hex inverter pick out the drive of combined floodgate motor
The drive signal of motor type relay, the output terminal of the 4th phase inverter are connected to described the through the second diode, second resistance
The input terminal of three phase inverters, the output terminal of the hex inverter are connected to described the 5th through third diode, 3rd resistor
The input terminal of phase inverter, the output terminal of the 4th phase inverter are also connected to the defeated of the hex inverter through the 4th diode
Enter end, the output terminal of the hex inverter is also connected to the input terminal of the 4th phase inverter through the 5th diode, described
Fourth phase inverter of the electric motor protecting control described in signal is rectified, filtering, the 7th phase inverter, the 8th phase inverter are respectively connected to
It is rectified to stop energization control signal, stopping separating brake control signal difference for the input terminal of input terminal and the hex inverter
It is connected to the input terminal of the 4th phase inverter and the input terminal of the hex inverter.
6. the intelligent operating mechanism of high voltage isolator according to claim 4 or 5, it is characterised in that：The combined floodgate
The input quantity of switch, the input quantity of separating brake switch, the input quantity of in-place closing switch and the separating brake
The input quantity of location switch is rectified respectively, partial pressure, filtering, light-coupled isolation pick out separating brake control signal, energization control signal, institute
That states stops separating brake control signal and the stopping energization control signal, the rectified difference of input quantity of the shutdown switch
It is connected to the rectification of the rectification output end of the input quantity of the separating brake location switch and the input quantity of in-place closing switch
Output quantity.
7. the intelligent operating mechanism of high voltage isolator according to claim 1, it is characterised in that：The high_voltage isolation
The intelligent operating mechanism of switch further includes wireless remote control unit, and the wireless remote control unit is connected to the CPU main control units
The 2nd UART serial ports.
8. the intelligent operating mechanism of the high voltage isolator according to claim 3 or 5, it is characterised in that：The high pressure
The intelligent operating mechanism of disconnecting switch further includes wireless remote control unit, and the wireless remote control unit is connected to the CPU master controls
2nd UART serial ports of unit.
9. the intelligent operating mechanism of high voltage isolator according to claim 8, it is characterised in that：The wireless remote control
Unit includes remote control switch knob, remote control opening button and remote control and releases alarm button, the remote control switch knob, institute
The remote control opening button stated is rectified with the remote control releasing alarm button and is connected to the input terminal of second phase inverter.
10. the intelligent operating mechanism of the high voltage isolator according to claim 1 or 7, it is characterised in that：The high pressure
The intelligent operating mechanism of disconnecting switch further includes humidity sensing unit and heating unit, the output terminal of the humidity sensing unit
The 3rd UART serial ports of the CPU main control units is connected to, the control terminal of the heating unit is connected to the CPU master
Control the 4th I/O mouthfuls of unit.
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| CN201510060566.8A CN104659759B (en) | 2015-02-01 | 2015-02-01 | The intelligent operating mechanism of high voltage isolator |
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| CN201510060566.8A CN104659759B (en) | 2015-02-01 | 2015-02-01 | The intelligent operating mechanism of high voltage isolator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406593B (en) * | 2015-11-23 | 2018-10-02 | 许继集团有限公司 | A kind of switchgear motor driver intelligent controlling device and method |
| CN106899080A (en) * | 2015-12-21 | 2017-06-27 | 常州帕斯菲克自动化技术股份有限公司 | Electric chassis truck and ground knife intelligent controlling device and its control method |
| CN106602961A (en) * | 2016-12-23 | 2017-04-26 | 川铁电气（天津）股份有限公司 | Disconnecting switch operating mechanism driver based on single chip microcomputer |
| CN106653420A (en) * | 2017-02-23 | 2017-05-10 | 苏州云电电力科技有限公司 | Disconnecting link operation mechanism box |
| CN107515108B (en) * | 2017-07-26 | 2019-10-18 | 国网江苏省电力公司南京供电公司 | The mechanical property monitoring device and monitoring method of high voltage isolating switch operating mechanism |
| CN110379652A (en) * | 2019-07-18 | 2019-10-25 | 湖南长高高压开关集团股份公司 | A kind of integrated intelligent isolating switch mechanism case |
| CN112289619B (en) * | 2020-10-21 | 2023-09-15 | 山东泰开智能配电有限公司 | Control device for grounding switch |
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Address after: 325000 Wei five road No. 208, Yueqing City Economic Development Zone, Wenzhou City, Zhejiang province (Yueqing City Lingfeng machinery and accessories factory) Applicant after: HIGH ELECTRIC Co.,Ltd. Address before: 325604 Liushi City, Yueqing Province, the town of cicadas East Industrial Zone Applicant before: HIGH ELECTRIC Co.,Ltd. |
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Inventor after: Hao Canguan Inventor after: Xia Zhoulong Inventor after: Ma Yejian Inventor after: Wang Qingwei Inventor after: Zhao Mingwei Inventor after: Ge Ningqian Inventor after: Zhang Sibao Inventor after: Zhou Jun Inventor after: Yin Xiaohong Inventor after: Huang Yiwei Inventor after: Hong Zhongqin Inventor after: Xie Conglin Inventor after: Zhang Hengbian Inventor before: Mao Aiguo Inventor before: Hao Canguan Inventor before: Zhang Sibao Inventor before: Zhou Jun Inventor before: Yin Xiaohong Inventor before: Ge Ningqian Inventor before: Xing Xiaoshuan |
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Denomination of invention: Intelligent operating mechanism of high-voltage disconnector Effective date of registration: 20221016 Granted publication date: 20180619 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yueqing branch Pledgor: HIGH ELECTRIC Co.,Ltd. Registration number: Y2022330002594 |
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