CN107490991A - A kind of isolator operating mechanism intelligence control system - Google Patents
A kind of isolator operating mechanism intelligence control system Download PDFInfo
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- CN107490991A CN107490991A CN201710823802.6A CN201710823802A CN107490991A CN 107490991 A CN107490991 A CN 107490991A CN 201710823802 A CN201710823802 A CN 201710823802A CN 107490991 A CN107490991 A CN 107490991A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Automation & Control Theory (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a kind of isolator operating mechanism intelligence control system, it is related to high voltage isolator technical field.The isolator operating mechanism intelligence control system, including controller, guidance panel and the data storage circuitry being connected respectively with the controller, real time clock circuit, multi-way detecting circuit, panel-switch control circuit, LED light driving and controlling circuits, motor-drive circuit, touch display screen, telecommunication circuit and temperature sensing circuit with mould choosing switch；The present invention can monitor the working condition of operating mechanism in real time, and the failure that may occur is made and prejudges and takes timely and effectively measure, avoids causing electric power accident.
Description
Technical field
The invention belongs to high voltage isolator technical field, more particularly to a kind of isolator operating mechanism intelligent control system
System.
Background technology
The power set that motor-operating mechanism divides as outdoor high-voltage isolating switch, closed a floodgate, it is the important set of disconnecting switch
Into part.As intelligent grid builds starting for tide, improving the reliability, controllability and low-maintenance cost of power supply unit turns into
The primary premise of unattended operation transformer station construction.
High-tension apparatus is the elementary cell of power network, and high-tension apparatus intellectuality (or smart machine) is the important of intelligent grid
Part, and one of outstanding feature of the traditional power network of difference.The operation conditions of key equipment is carried out using sensor real
When monitor and then realize grid equipment Observable, controllable and automation be smart machine core missions and target.High pressure every
Leave pass be electrical equipment important in transformer station's electrical system, in the case where having voltage, no-load current disconnect or
Connect high-tension line；Changing-over is carried out to high-tension line, changes the method for operation；The High-Voltage Electrical Appliances such as bus and breaker to maintenance are real
The electrical isolation of row safety.There is obvious cut-off point in atmosphere because the contact of high voltage isolator is all open, isolate
No arc-control device is switched, it is thus impossible to for cutting off load current or short circuit current, otherwise under high pressure effect, cut-off point
Strong electric arc will be produced, and is difficult self-extinguish, in some instances it may even be possible to causes arcing, scaling loss equipment, jeopardizes personal safety.
Therefore, need badly and a kind of high voltage isolating switch operating mechanism intelligence control system is provided, set to monitor disconnecting switch
The standby abnormal conditions occurred in use, to find failure rapidly and to exclude.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of isolator operating mechanism intelligence control system, passes through reality
When monitor executing agency's motor input voltage and output current, prevent due to caused by motor power, load or artificial maloperation
Isolator operating mechanism damaged condition；The working condition of isolator operating mechanism is recorded, such as motor input voltage, input electricity
Stream, operating time, operation lifetime, mode of operation and there are the parameters such as fault-free, effectively improve the reliability of isolated switchgear
And controllability, reduce maintenance cost.
The present invention is that solve above-mentioned technical problem by the following technical solutions：A kind of isolator operating mechanism intelligence
Can control system, including controller, guidance panel and the data storage circuitry being connected respectively with the controller, in real time
Clock circuit, multi-way detecting circuit, panel-switch control circuit, LED light driving and controlling circuits, electricity with mould choosing switch
Drive circuit, touch display screen, telecommunication circuit and temperature sensing circuit；
The multi-way detecting circuit with mould choosing switch, also connects with the three phase mains input cable socket on the guidance panel
Connect, be connected by three phase mains input cable socket with executing agency motor working power input, for executing agency's electricity
The input voltage and current signal of machine are sampled, and deliver to controller after being handled；
The motor-drive circuit, also it is connected with the three phase mains output cable socket on the guidance panel, passes through three-phase electricity
Source output cable socket is connected with the power supply terminal of executing agency's motor, and for the working power as motor, driving is held
The operation or stopping of row mechanism motor；
The panel-switch control circuit, also switch and connect with the test on the guidance panel；For detecting disconnecting switch behaviour
Make to test the opening and closing of switch on panel, and by isolator operation state and mode of operation signal with switch connection and the side of shut-off
Formula is transmitted to controller；
The LED light driving and controlling circuits, are also connected with the indicator lamp on the guidance panel, for driving and controlling
The light on and off of indicator lamp on isolator operation panel；
The real time clock circuit, for providing the reference time for control system；The touch display screen, as control system
Operation interface, for setting or parameter, selection test and display test result；The temperature sensing circuit, for monitoring ring
Border temperature.
Further, it is described with mould choosing switch multi-way detecting circuit include be sequentially connected power supply signal access circuit,
Voltage selects circuit and voltage and current detection circuit with current detecting mould；The voltage and current detection circuit and the control
Device connects；
The power supply signal access circuit passes through three phase mains input cable socket and executing agency's motor working power input
Connection, for accessing the input voltage or current signal of executing agency's motor working power, is converted thereof into and actual waveform pair
The scaling signal answered, transmitted after impedance matching and filtering process are carried out to the scaling signal to voltage and current detecting mould choosing electricity
Road；The voltage selects circuit with current detecting mould, for switching voltage detection signal and current detection signal；The voltage and electricity
Current detection circuit, sampled, amplified for the voltage to input or current signal, anti-aliasing filter, A/D are changed and fundamental wave
Harmonic calculates, and obtains the voltage signal of surveyed power supply or the actual value of current signal, and transmit to the controller.
Further, the motor-drive circuit is made up of transistor amplifier, limit switch and solid-state relay, institute
Triode discharge circuit is stated, the control signal for amplification controller output；The limit switch, for being held by disconnecting switch
The stroke of row mechanism carrys out the rotation time of controlled motor；The solid-state relay, rotated for remote control motor.
Further, the telecommunication circuit includes usb communication circuit and RS485 telecommunication circuits, the usb communication circuit and
RS485 telecommunication circuits are connected with the USB flash disk socket on the guidance panel and RS232 sockets respectively, for outside provides USB flash disk interface with
RS232 interface；The RS232 interface, for entering row data communication with other equipment or computer.
Further, the isolator operating mechanism intelligence control system also includes torque sensor, analog-to-digital conversion electricity
Road, the first wireless communication line, the second wireless communication line and decoding circuit；The torque sensor, analog to digital conversion circuit,
One wireless communication line is sequentially connected；Second wireless communication line connects with decoding circuit, the decoding circuit with it is described
Controller connects；First wireless communication line carries out radio communication with second wireless communication line；
The torque sensor is arranged on operating mechanism handle, for the torque signals of handle to be converted into after numeral by the
One wireless communication line and the second wireless communication line are transmitted to demodulator circuit, and the controller is inputted after demodulated.
Compared with prior art, isolator operating mechanism intelligence control system provided by the present invention, including controller,
Guidance panel and the data storage circuitry being connected respectively with the controller, real time clock circuit, with the more of mould choosing switch
Alignment detection circuit, panel-switch control circuit, LED light driving and controlling circuits, motor-drive circuit, touch display screen,
Telecommunication circuit and temperature sensing circuit；Multi-way detecting circuit with mould choosing switch is inputted by the three phase mains on guidance panel
Cable socket is connected with executing agency motor working power input, and the input voltage signal or current signal of motor are adopted
Sample and processing, output voltage, electric current and active power data signal to controller, controller export after handling the signal
Control signal, the control signal drive the fortune of executing agency's motor by motor-drive circuit and three phase mains output cable socket
Row stops；Inputted again to motor by the voltage and current signal after the multi-way detecting circuit sampling with mould choosing switch and processing
In, effectively prevention due to motor power, load or think maloperation caused by isolator operating mechanism damage situation, and
By touch display screen record isolator operating mechanism working condition, effectively improve isolated switchgear reliability and can
Control property, reduce maintenance cost；The present invention can monitor the working condition of operating mechanism in real time, the failure that may occur be made pre-
Sentence and take timely and effectively measure, avoid causing electric power accident.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in being described below to embodiment
It is briefly described, it should be apparent that, drawings in the following description are only one embodiment of the present of invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of isolator operating mechanism intelligence control system of the present invention.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made,
Belong to the scope of protection of the invention.
As shown in figure 1, a kind of isolator operating mechanism intelligence control system provided by the present invention, including controller,
Guidance panel and the data storage circuitry being connected respectively with controller, real time clock circuit, the multichannel inspection with mould choosing switch
Slowdown monitoring circuit, panel-switch control circuit, LED light driving and controlling circuits, motor-drive circuit, touch display screen, communication
Circuit and temperature sensing circuit.
Multi-way detecting circuit with mould choosing switch, is also connected with the three phase mains input cable socket on guidance panel, leads to
Cross three phase mains input cable socket to be connected with executing agency motor working power input, for the defeated of executing agency's motor
Enter voltage and current signal is sampled, and controller is delivered to after being handled.Multi-way detecting circuit with mould choosing switch includes
Power supply signal access circuit, voltage and the current detecting mould being sequentially connected select circuit and voltage and current detection circuit；Voltage
It is connected with current detection circuit with controller.
Power supply signal access circuit passes through three phase mains input cable socket and executing agency's motor working power input
Connection, for accessing the input voltage or current signal of executing agency's motor working power, is converted thereof into and actual waveform pair
The scaling signal answered, transmitted after impedance matching and filtering process are carried out to the scaling signal to voltage and current detecting mould choosing electricity
Road；Voltage selects circuit with current detecting mould, for switching voltage detection signal and current detection signal；Voltage and current detecting electricity
Road, sampled, amplified by the voltage to input or current signal, based on anti-aliasing filter, A/D conversion and fundamental wave harmonic
Calculate, obtain the voltage signal of surveyed power supply or the actual value of current signal, and transmit to controller.
Motor-drive circuit, also it is connected with the three phase mains output cable socket on guidance panel, it is defeated by three phase mains
Go out cable socket to be connected with the power supply terminal of executing agency motor, for the working power as motor, drive execution machine
The operation or stopping of structure motor.Motor-drive circuit is made up of transistor amplifier, limit switch and solid-state relay, three poles
Tube discharge circuit, the control signal for amplification controller output；Limit switch, for the row by disconnecting switch executing agency
Journey carrys out the rotation time of controlled motor；Solid-state relay, rotated for remote control motor.
By the three phase mains input cable socket on three phase mains input cable one end access operation panel, other end access
Executing agency's motor power input, three phase mains output cable socket are connected with executing agency motor power binding post, i.e.,
Control system is serially connected with motor power loop, detects motor power signal, prevents due to motor power, load or artificially misses
Isolator operating mechanism damaged condition caused by operation.
Panel-switch control circuit, also switch and connect with the test on guidance panel；For detecting isolator operation face
The opening and closing of switch is tested on plate, and isolator operation state and mode of operation signal are passed in a manner of switch connection and shut-off
Transport to controller.
LED light driving and controlling circuits, also it is connected with the indicator lamp on guidance panel, for driving and controlling isolation
The light on and off of indicator lamp in switch control panel.
Real time clock circuit, for providing reference time or real-time time for control system；Touch display screen, as control
The operation interface of system, for setting or parameter, selection test and display test result；Temperature sensing circuit, for monitoring
Environment temperature, foundation is provided for breakdown judge；Data storage circuitry, for storing all data monitored.
Telecommunication circuit includes usb communication circuit and RS485 telecommunication circuits, usb communication circuit and RS485 telecommunication circuits difference
It is connected with the USB flash disk socket on guidance panel and RS232 sockets, USB flash disk interface and RS232 interface is provided for outside；RS232 interface,
For entering row data communication with other equipment or computer.Monitoring Data is downloaded by USB flash disk interface and is automatically converted into word
It is for further analysis with excel documents.
Isolator operating mechanism intelligence control system also includes torque sensor, analog to digital conversion circuit, the first channel radio
Interrogate circuit, the second wireless communication line and decoding circuit；Torque sensor, analog to digital conversion circuit, the first wireless communication line according to
Secondary connection；Second wireless communication line is connected with decoding circuit, and decoding circuit is connected with controller；First wireless communication line with
Second wireless communication line carries out radio communication.
Torque sensor is arranged on operating mechanism handle, for the torque signals of handle to be converted into after numeral by the
One wireless communication line and the second wireless communication line are transmitted to demodulator circuit, demodulated rear input controller.Pass through torque
Sensor can detect the operational torque of disconnecting switch, and whether the manually operated power of automatic decision meets national standard, be grasped for analysis
Abnormal offer foundation is provided.
The course of work of isolator operating mechanism intelligence control system of the present invention：System power supply is opened, controller starts
Work, first System self-test memory headroom, the adjustment cycle index if memory headroom deficiency, with safeguards system normal recordings
The new data of operation；If internal memory goes wrong, controller is driven on guidance panel by LED light driving and controlling circuits
Indicator lamp carry out light warning；If self-test is normal, controller calls in current time from real time clock circuit, and is selected by band mould
The three-phase input voltage of the multi-way detecting electric circuit inspection motor of switch；Specific detection is as follows：
Power supply signal access circuit access input voltage signal or current signal, convert thereof into ratio corresponding with actual waveform
Signal, circuit is selected to being transmitted after scaling signal progress impedance matching and filtering process to voltage and current detecting mould, by electricity
After the switching for pressing signal or current signal, select the signal of circuit output to be sampled voltage and current detecting mould, amplify, be anti-mixed
Folded filtering, A/D conversions and fundamental wave harmonic calculate, and obtain the voltage signal of surveyed power supply or the actual value of current signal, count
Result is calculated to be passed in controller by SPI modes；In the controller, result of calculation and preset value are obtained into upper limit threshold and lower limit threshold
Value is compared, if no problem, available machine time and voltage data are stored in into data storage circuitry；The switch shape of detection test afterwards
State, isolator operation state and mode of operation signal are passed in a manner of testing switch connection and shut-off by panel-switch control circuit
Transport in controller；Test on off state has 3 kinds, closes a floodgate, separating brake and stopping, and the control flow under each state is as follows：
If detecting test on off state to close a floodgate, the detection process of above-mentioned input voltage signal or current signal is repeated, it is defeated
If it is normal to enter voltage, drive the motor of executing agency to rotate forward by motor-drive circuit, carry out closing operation；Lead to after combined floodgate
The output voltage and output current of the multi-way detecting electric circuit inspection motor with mould choosing switch are crossed, and by detected value and the default upper limit
Threshold values and lower limit threshold values are compared, if numerical value is normal, system does not take any operation, cycle detection output voltage and electric current then
Value, once there is exception in detection numerical value, then into troubleshooting process.
Troubleshooting process is as follows：When breaking down, by controller by fault flag, the time broken down, during failure
Input voltage, output voltage, output current value, ambient temperature value is stored to data storage circuitry, and is driven by LED light
Dynamic and control circuit is carried out driving panel indicator lamp and alarmed, while sends alarm signal and event to host computer by telecommunication circuit
Hinder information, until trouble shooting.
If detecting, test on off state is separating brake, by the multi-way detecting electric circuit inspection three-phase input that switch is selected with mould
Voltage, if input voltage is normal, the motor reversal of executing agency is driven by motor-drive circuit, carries out sub-switching operation.
If detecting, test switch is halted state, the control signal of outside input is detected whether, if there is outside control
Signal processed, then combined floodgate, sub-switching operation accordingly are carried out according to the type of signal, if external control signal is detected, then stopped
Output, wait control signal.
Above disclosed is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, can readily occur in change or modification, all
It should be included within the scope of the present invention.
Claims (5)
- A kind of 1. isolator operating mechanism intelligence control system, it is characterised in that：Including controller, guidance panel, Yi Jifen Data storage circuitry, real time clock circuit, multi-way detecting circuit, the panel with mould choosing switch not being connected with the controller ON-OFF control circuit, LED light driving and controlling circuits, motor-drive circuit, touch display screen, telecommunication circuit and temperature Detect circuit；The multi-way detecting circuit with mould choosing switch, also connects with the three phase mains input cable socket on the guidance panel Connect, be connected by three phase mains input cable socket with executing agency motor working power input, for executing agency's electricity The input voltage and current signal of machine are sampled, and deliver to controller after being handled；The motor-drive circuit, also it is connected with the three phase mains output cable socket on the guidance panel, passes through three-phase electricity Source output cable socket is connected with the power supply terminal of executing agency's motor, and for the working power as motor, driving is held The operation or stopping of row mechanism motor；The panel-switch control circuit, also switch and connect with the test on the guidance panel；For detecting disconnecting switch behaviour Make to test the opening and closing of switch on panel, and by isolator operation state and mode of operation signal with switch connection and the side of shut-off Formula is transmitted to controller；The LED light driving and controlling circuits, are also connected with the indicator lamp on the guidance panel, for driving and controlling The light on and off of indicator lamp on isolator operation panel；The real time clock circuit, for providing the reference time for control system；The touch display screen, as control system Operation interface, for setting or parameter, selection test and display test result；The temperature sensing circuit, for monitoring ring Border temperature.
- 2. isolator operating mechanism intelligence control system as claimed in claim 1, it is characterised in that：The band mould choosing switch Multi-way detecting circuit the power supply signal access circuit, voltage and the current detecting mould that include being sequentially connected select circuit and voltage with Current detection circuit；The voltage is connected with current detection circuit with the controller；The power supply signal access circuit passes through three phase mains input cable socket and executing agency's motor working power input Connection, for accessing the input voltage or current signal of executing agency's motor working power, is converted thereof into and actual waveform pair The scaling signal answered, transmitted after impedance matching and filtering process are carried out to the scaling signal to voltage and current detecting mould choosing electricity Road；The voltage selects circuit with current detecting mould, for switching voltage detection signal and current detection signal；The voltage and electricity Current detection circuit, sampled, amplified for the voltage to input or current signal, anti-aliasing filter, A/D are changed and fundamental wave Harmonic calculates, and obtains the voltage signal of surveyed power supply or the actual value of current signal, and transmit to the controller.
- 3. isolator operating mechanism intelligence control system as claimed in claim 1, it is characterised in that：The motor driving electricity It route transistor amplifier, limit switch and solid-state relay composition, the triode discharge circuit, for amplification controller The control signal of output；The limit switch, for the stroke by disconnecting switch executing agency come controlled motor rotation when Between；The solid-state relay, rotated for remote control motor.
- 4. isolator operating mechanism intelligence control system as claimed in claim 1, it is characterised in that：The telecommunication circuit bag Include usb communication circuit and RS485 telecommunication circuits, the usb communication circuit and RS485 telecommunication circuits respectively with the guidance panel On USB flash disk socket connected with RS232 sockets, for outside USB flash disk interface and RS232 interface are provided；The RS232 interface, for Other equipment or computer enter row data communication.
- 5. isolator operating mechanism intelligence control system as claimed in claim 1, it is characterised in that：Also include moment sensing Device, analog to digital conversion circuit, the first wireless communication line, the second wireless communication line and decoding circuit；The torque sensor, mould Number change-over circuit, the first wireless communication line are sequentially connected；Second wireless communication line connects with decoding circuit, the solution Code circuit is connected with the controller；First wireless communication line carries out channel radio with second wireless communication line Letter；The torque sensor is arranged on operating mechanism handle, for the torque signals of handle to be converted into after numeral by the One wireless communication line and the second wireless communication line are transmitted to demodulator circuit, and the controller is inputted after demodulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823802.6A CN107490991A (en) | 2017-09-13 | 2017-09-13 | A kind of isolator operating mechanism intelligence control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823802.6A CN107490991A (en) | 2017-09-13 | 2017-09-13 | A kind of isolator operating mechanism intelligence control system |
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| Publication Number | Publication Date |
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| CN107490991A true CN107490991A (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710823802.6A Pending CN107490991A (en) | 2017-09-13 | 2017-09-13 | A kind of isolator operating mechanism intelligence control system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066596A (en) * | 2018-09-20 | 2018-12-21 | 哈尔滨理工大学 | The motor circuit protector and its working method of adjustable electric machine operation state |
| CN112002593A (en) * | 2020-08-28 | 2020-11-27 | 贵州电网有限责任公司 | Disconnecting switch operating mechanism with modular control loop design and use method |
| WO2021008168A1 (en) * | 2019-07-18 | 2021-01-21 | 湖南长高高压开关集团股份公司 | Integrated intelligent isolating switch mechanism box |
| CN113219330A (en) * | 2021-05-26 | 2021-08-06 | 广西电网有限责任公司电力科学研究院 | Method and system for detecting state of isolating switch |
| CN113325758A (en) * | 2021-05-24 | 2021-08-31 | 中国南方电网有限责任公司超高压输电公司柳州局 | Method and device for remotely controlling power supply of intelligent sequential control isolation switch motor of transformer substation |
| CN118226323A (en) * | 2024-04-10 | 2024-06-21 | 禹创半导体(深圳)有限公司 | Panel wiring detection method, device, equipment and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066596A (en) * | 2018-09-20 | 2018-12-21 | 哈尔滨理工大学 | The motor circuit protector and its working method of adjustable electric machine operation state |
| WO2021008168A1 (en) * | 2019-07-18 | 2021-01-21 | 湖南长高高压开关集团股份公司 | Integrated intelligent isolating switch mechanism box |
| CN112002593A (en) * | 2020-08-28 | 2020-11-27 | 贵州电网有限责任公司 | Disconnecting switch operating mechanism with modular control loop design and use method |
| CN113325758A (en) * | 2021-05-24 | 2021-08-31 | 中国南方电网有限责任公司超高压输电公司柳州局 | Method and device for remotely controlling power supply of intelligent sequential control isolation switch motor of transformer substation |
| CN113219330A (en) * | 2021-05-26 | 2021-08-06 | 广西电网有限责任公司电力科学研究院 | Method and system for detecting state of isolating switch |
| CN118226323A (en) * | 2024-04-10 | 2024-06-21 | 禹创半导体(深圳)有限公司 | Panel wiring detection method, device, equipment and readable storage medium |
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Application publication date: 20171219 |
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| RJ01 | Rejection of invention patent application after publication |