CN202679075U - Intelligent electric control device for switch cabinet - Google Patents
Intelligent electric control device for switch cabinet Download PDFInfo
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- CN202679075U CN202679075U CN 201220305167 CN201220305167U CN202679075U CN 202679075 U CN202679075 U CN 202679075U CN 201220305167 CN201220305167 CN 201220305167 CN 201220305167 U CN201220305167 U CN 201220305167U CN 202679075 U CN202679075 U CN 202679075U
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Abstract
The utility model discloses an intelligent electric control device for switch cabinets, which comprises a Nuvoton NUC100VD2AN singlechip. The Nuvoton NUC100VD2AN singlechip is respectively connected with a switching power supply/auxiliary power supply module, a personal distance sensor module, a function key, an acoustic-optic alarm, a state display module, a serial-port communication circuit, a switching value interface circuit, a temperature and humidity control module, a current processing and detection module, a motor fault processing module and a chopping and driving control module. The current processing and detection module, the motor fault processing module and the chopping and driving control module are respectively connected with a direct current motor. The intelligent electric control device for switch cabinets is more humanized and more intelligent in operation and obviously improves the stability, the accuracy and the reliability of the operation of a trolley. Meanwhile, the communication interaction property of the device can satisfy the requirements of an intelligent substation on unattended operation and information monitoring.
Description
Technical field
The utility model belongs to the power transmission and transformation switchgear and controls technical field, is specifically related to a kind of Intelligent switch cabinet electric operation controller.
Background technology
Trolley type high voltage switch equipment (abbreviation middle-placed switch cabinet) plays an important role in electric power system; bearing and cut-offfing and the important function such as power circuit, line fault protection, monitoring operation electric quantity data are closed in the pass, in electric power system, obtaining increasingly extensive utilization.In trolley type high voltage switch cabinet, the switching of switch cart between service position and test position realizes by operating grip, adopts this operating grip to come the console switch dolly at present, uses inconvenience, and potential safety hazard is large.Error in the simultaneously manual operation can not be avoided fully.On the other hand, the electric operation controller of existing switch cubicle dolly to trolley travelling troubleshooting get meticulous not rationally, dolly often occurs and unusually stop the car situation; And the switch cabinet state bar is not installed at device on the panel and is shown that intuitively this is inadequate visualize, transparence so that the operation of electronic turnover car also seems.In addition, associative operation and switch cabinet state information can not meet with Control Room and information integral platform the interconnected communication of IEC61850 stipulations, the unmanned on duty and information-based target of monitoring of Intelligent transformer station can't be realized fully, the requirement of Automation of Electric Systems can't be satisfied well.From operator's security consideration, for avoiding that the operator is caused personal injury, reduce operating personnel's workload, at the scene in the unmanned situation, require also can realize that complete stopping send electricity work.Consider from the intelligent angle of transformer station, require round Realization to intellectualized operation and the rear desk-top monitoring of Medium Voltage Switchgear, and reduce as much as possible the operation expense of switch cubicle and dolly.Therefore, researching and developing intelligent carriage high-tension switch cabinet a kind of novel high-precision, high reliability, that have good information interaction ability is significant.
Summary of the invention
The purpose of this utility model provides a kind of Intelligent switch cabinet electric operation controller, has solved the electric operating problem not directly perceived, unreliable, coarse that existing apparatus exists.
The technical scheme that the utility model adopts is, a kind of Intelligent switch cabinet electric operation controller, comprise Nuvoton NUC100VD2AN single-chip microcomputer, be connected with respectively Switching Power Supply/accessory power supply module on the Nuvoton NUC100VD2AN single-chip microcomputer, human body is apart from induction module, function button, acousto-optic is reminded, the state display module, serial communication circuit, the switching value interface circuit, the Temperature and Humidity Control module, current processing and detection module, electrical fault processing module and copped wave and drive control module, current processing and detection module, electrical fault processing module and copped wave and drive control module also are connected with direct current machine respectively.
The beneficial effects of the utility model are,
(1) two kind of operator scheme is switched flexibly.Both can realize on the spot or the electronic turnover control of long-range dolly and electronic deciliter control of earthing switch blade, again reliably manual operation, and also two kinds of modes of operation can conveniently be switched reliable interlocking.
(2) electrical fault processing section; rely on rational hardware protection design and Software for Design; the mistake of motor/under-voltage, overcurrent, stall, the defencive function such as overtime have been realized; wherein the application of " automatic reclosing " principle is so that electrical fault is processed more stable, more reliable; can correct grid disturbances, switch divides/electric motor protecting misoperation that strong electromagnetic that crossed belt comes causes; improve continuity and the reliability of trolley travelling; so that the dolly maintenance times greatly reduces; reduce operating cost, reduced the number of times that the personnel of go the rounds make an inspection tour dolly.
(3) Temperature and Humidity Control function that device is integrated guarantees that switch cubicle and electronic performance element have a good running environment; Also integrated human body is apart from the infrared induction function, guaranteed that personnel are near there being alarm to remind in the situation of electrification in high voltage cabinet.
(4) the highlighted show bar on the device panel is intuitively clearly being indicated position, the position of dolly, the position of earthing switch blade, the state of stored energy mechanism, the charged situation of bus of current circuit breaker, so that on-the-spot electronic turnover car operation and earthing switch blade operation become more directly perceived, transparent, reliable.
(5) device possesses the function of carrying out the voice reminder operation according to " five anti-" condition and adjacent cabinet condition, and fault shows and the fault warning function, make control more humane, intelligent.
(6) the electronic control of device and operating part rely on and to simplify perfect programmed algorithm design, by the PWM ripple that processor produces the motion process of vehicle motor are controlled, realized the motor time sharing segment frequency control and soft start and stop, turn to control; These have all significantly improved stability, accuracy and the reliability of trolley travelling.
(7) the state display module that installs is each state of display switch cabinet clearly, mainly comprises the demonstration of liquid crystal display screen in the display part, the demonstration of highlighted bar and the demonstration of indicator light; Highlighted show bar mainly is the relevant switch cabinet state of indication, makes the state of this part show more directly perceived, clear;
(8) communication meets unmanned on duty, the information-based requirement of monitoring of intelligent substation alternately.Can communicate by letter with the switch cubicle IED of upper level, the data and instruction is converted to the amount of information that meets the IEC61850 stipulations through switch cubicle IED, and is mutual with the monitoring host computer, accepts to control instruction, intuitively shows state information and the schedule of dolly; Also can meet the telecommunication of IEC61850 stipulations through integrated information platform in switch cubicle IED and the station, the various state informations of the electronic performance element of the dolly of switch cubicle and switch cubicle are reached platform, reach information sharing; On the other hand, unified platform also can carry out instruction control to electronic performance element by actuation means, is conducive to realize unmanned on duty, the information-based monitoring of transformer station.
Description of drawings
Fig. 1 is the hardware structure diagram of the utility model Intelligent switch cabinet electric operation controller;
Fig. 2 is the program execution flow figure of the utility model Intelligent switch cabinet electric operation controller;
Fig. 3 is the electronic part flow chart of controlling of the utility model Intelligent switch cabinet electric operation controller.
Among the figure, 1.Nuvoton NUC100VD2AN single-chip microcomputer, 2. Switching Power Supply/accessory power supply module, 3. human body is apart from induction module, 4. function button, 5. acousto-optic remind, state display module, 6. serial communication circuit, 7. switching value interface circuit, 8. Temperature and Humidity Control module, 9. current processing and detection module, 10. electrical fault processing module, 11. copped wave and drive control module, 12. direct current machines.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the utility model Intelligent switch cabinet electric operation controller, as shown in Figure 1, comprise Nuvoton NUC100VD2AN single-chip microcomputer 1, be connected with respectively Switching Power Supply/accessory power supply module 2 on the Nuvoton NUC100VD2AN single-chip microcomputer 1, human body is apart from induction module 3, function button 4, acousto-optic is reminded, state display module 5, serial communication circuit 6, switching value interface circuit 7, Temperature and Humidity Control module 8, current processing and detection module 9, electrical fault processing module 10 and copped wave and drive control module 11, current processing and detection module 9, electrical fault processing module 10 and copped wave and drive control module 11 also are connected with direct current machine 12 respectively.
The course of work of the present utility model is: according to " five is anti-" condition and adjacent cabinet condition, Nuvoton NUC100VD2AN single-chip microcomputer 1 is judged, if satisfying the condition of controlling receives again instruction and then sends the order of controlling direct current machine, pass through again copped wave and drive control module 11, open control direct current machine 12, and in the running of direct current machine according to time and the stroke PWM frequency conversion control function by single-chip microcomputer, realize the automatic adjustment of moment of torsion and rotating speed, only reach soft start, soft stop and middle deceleration control.The current signal of direct current machine winding is taken out by current sensor; be processed into voltage signal and send into comparator and relatively judge through current processing and detection module 9; its result sends into Nuvoton NUC100VD2AN single-chip microcomputer 1; Nuvoton NUC100VD2AN single-chip microcomputer 1 is processed by related algorithm; carry out a series of affirmations; if finally judge really fault-signal of signal; and greater than the threshold value (adjustable) of setting; show that namely motor truly has fault; Nuvoton NUC100VD2AN single-chip microcomputer 1 drive motors fault processing module 10 immediately then; cut off current supply circuit, the protection motor.The acousto-optic of design is reminded, state display module 5 can intuitively clearly illustrate each state of switch cubicle, the electric operating that guides user holds water to switch cubicle according to switch cabinet state on panel; The acousto-optic of design is reminded, the state display module can be reminded user's misoperation behavior, humiture fault, motor operation troubles; When the switch cubicle electrification in high voltage, if personnel are arranged near high-tension switch cabinet, then human body can detect human body signal apart from induction module 3, and security incident is avoided in the lang sound alarm of going forward side by side.Temperature and Humidity Control module 8 can be monitored the running environment in the switch cubicle, and can to humiture fault initiating heating air-exhausting function, eliminate fault.
Nuvoton NUC100VD2AN one-chip computer module 1:
As shown in Figures 2 and 3, processor carries out initialization to modules, reception is controlled instruction it is carried out electric operating and process control, the position of monitoring dolly, humiture, human body distance perspective are answered, and are carried out failure diagnosis in the operating state of circuit breaker position and state, earthing switch blade position, stored energy mechanism state, direct current machine, bus belt electricity condition, the cabinet; Possess intelligence five anti-functions, can carry out voice/light prompting to user's operation according to " five is anti-" condition and adjacent cabinet condition; Possesses the intelligent alarm function, operating trouble, humiture fault, motor operation troubles (mistake/under-voltage, overcurrent, stall, overtime) are carried out voice/light alarm, and compensate by oneself fault of these modes by startup heating air exhausting device, excision electric motor loop, supply voltage.
Acousto-optic is reminded, state display module 5:
After light-coupled isolation, the various on-off states of switch cubicle intuitively show via highlighted cross, V-shape bar; Humiture state, switch cabinet state, dolly schedule state, direct current machine working voltage, electric current, the clear demonstration on liquid crystal display screen of rotating speed state; In addition, be furnished with some LED light on the panel, carry out height and press off/release, heating air draft, warning flicker, electrification in high voltage, communication indication; Speech horn to various unusual, fault is reminded, alarm.
Temperature and Humidity Control module 8:
The working method of high-tension switch cabinet high-voltage large current, add the impact such as running environment, cabinet sealing, microclimate difference of alternation strong-electromagnetic field, so that the abnormal conditions such as condensation, low temperature, humidity, overtemperature heating often occur in switch cubicle, be unfavorable for the operation of equipment and the operation of vehicle motor, the temperature sensor that this device adopts and humidity sensor be output digit signals directly, and the hybrid algorithm that adopts intermediate value to add extreme value processes signal, guaranteed the accuracy of humiture observing and controlling.
Current processing and detection module 9:
The current signal of direct current machine winding takes out through current sensor, changes into to deliver to that operational amplifier amplifies, filtering behind the voltage signal, with the requirement of the detection module that meets the back.The voltage signal of processing is sent into comparator again and is compared judgement, and its result sends into Nuvoton NUC100VD2AN single-chip microcomputer 1 and processes, if greater than the threshold value (adjustable) of setting, namely showing has electricity 10, the protection motor.
Electrical fault processing module 10:
If there are stall/overcurrent/features such as overvoltage fault in motor, after time-delay a period of time, the detection failure feature such as the fault characteristic disappear, then shows may be grid disturbances again, does not start fault processing module; As the rear fault signature of delaying time exists, and then is judged as the generation motor abnormality, and can receive the fault-signal that single-chip microcomputer sends this moment, and fault processing module starts, the excision electric motor loop.If after this satisfy the condition of reclosing, after experiencing one period slightly long time of delay, again drop into the motor current supply circuit, disappear such as fault, then dolly can be proceeded safe turnover; If after again dropping into motor, fault signature still exists, and then can be judged as the fault that real generation can not be eliminated automatically, and again cut off electric motor loop, no longer again drops into, and the wait personnel show up and manually fix a breakdown.In addition, the strong electromagnetic disturbance that brings of divide/closing owing to the inner switch-dividing in station often can cause the electric motor protecting misoperation, so that unexpected termination of turnover car process, and adopt after the automatic reclosing, can automatically correct this type of malfunction.
Copped wave and drive control module 11:
Be comprised of high-power MOS field effect transistor 2SK1933, fast crystal pipe, photoelectricity isolation, protection, filtering, rectifying part, the pwm signal of driving is produced through software algorithm by Nuvoton NUC100VD2AN one-chip computer module 1.
Switching Power Supply/accessory power supply module 2:
4 road independent current sources can be provided, respectively separately to single-chip microcomputer and digit chip (5v), control terminal (24v), analog computing amplifier (± 15v), communicating circuit (5v) power supply, realize the isolation of power supply.With other No. one accessory power supply, drive the signal generator module power supply to metal-oxide-semiconductor separately, adopt high-end voltage-dropping type-direct feedback system, to reduce the cost of Power Management Design.
Human body is apart from induction module 3:
Adopt the special-purpose BISS0001 chip of infrared detection and pyroelectric infrared sensor to form, in the situation of electrification in high voltage to human body approach carry out distance perspective should, by speech horn send please don't be close alarm.
Switching value interface circuit 7:
Adopt 8 tunnels analogies/digital multiplex chip 74HC4051 and light-coupled isolation chip P181 to form, realized the isolation of strong electromagnetic, saved the I/O mouth.
Function button 4:
Be used for the inquiry to information, the setting of parameter.
Serial communication circuit 6:
Adopt RS485 level transferring chip and high speed photo coupling to form, realized the telecommunication of local device and monitoring unit and information integral platform.
Direct current machine 12:
Adopt the permanent magnet direct current motor ZYJ_401.5A200W DC220V of dolly special use.
Claims (1)
1. Intelligent switch cabinet electric operation controller, it is characterized in that, comprise Nuvoton NUC100VD2AN single-chip microcomputer (1), be connected with respectively Switching Power Supply/accessory power supply module (2) on the Nuvoton NUC100VD2AN single-chip microcomputer (1), human body is apart from induction module (3), function button (4), acousto-optic is reminded, state display module (5), serial communication circuit (6), switching value interface circuit (7), Temperature and Humidity Control module (8), current processing and detection module (9), electrical fault processing module (10) and copped wave and drive control module (11), described current processing and detection module (9), electrical fault processing module (10) and copped wave and drive control module (11) also are connected with direct current machine (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305167 CN202679075U (en) | 2012-06-27 | 2012-06-27 | Intelligent electric control device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305167 CN202679075U (en) | 2012-06-27 | 2012-06-27 | Intelligent electric control device for switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN202679075U true CN202679075U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220305167 Expired - Fee Related CN202679075U (en) | 2012-06-27 | 2012-06-27 | Intelligent electric control device for switch cabinet |
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| CN (1) | CN202679075U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199489A (en) * | 2014-08-01 | 2014-12-10 | 镇江翼天计算机科技有限公司 | Cooling system with fault detection function |
| CN105406593A (en) * | 2015-11-23 | 2016-03-16 | 许继集团有限公司 | Intelligent control apparatus and method for switch cabinet electric driver |
| CN106773993A (en) * | 2017-01-04 | 2017-05-31 | 国网山东省电力公司菏泽供电公司 | Field data acquiring terminal and system |
| CN106780870A (en) * | 2016-11-30 | 2017-05-31 | 国网山东省电力公司鄄城县供电公司 | Intelligent transformer and transformer control method, power transmission and transformation system |
| CN107144756A (en) * | 2017-06-29 | 2017-09-08 | 东莞市广安电气检测中心有限公司 | Switch cubicle test device |
| CN111580429A (en) * | 2020-05-07 | 2020-08-25 | 武汉理工大学 | Internet of things terminal data acquisition device and monitoring method suitable for shore power system |
-
2012
- 2012-06-27 CN CN 201220305167 patent/CN202679075U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104199489A (en) * | 2014-08-01 | 2014-12-10 | 镇江翼天计算机科技有限公司 | Cooling system with fault detection function |
| CN105406593A (en) * | 2015-11-23 | 2016-03-16 | 许继集团有限公司 | Intelligent control apparatus and method for switch cabinet electric driver |
| 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 |
| CN106780870A (en) * | 2016-11-30 | 2017-05-31 | 国网山东省电力公司鄄城县供电公司 | Intelligent transformer and transformer control method, power transmission and transformation system |
| CN106780870B (en) * | 2016-11-30 | 2019-07-02 | 国网山东省电力公司鄄城县供电公司 | Intelligent transformer and transformer control method, power transmission and transformation system |
| CN106773993A (en) * | 2017-01-04 | 2017-05-31 | 国网山东省电力公司菏泽供电公司 | Field data acquiring terminal and system |
| CN107144756A (en) * | 2017-06-29 | 2017-09-08 | 东莞市广安电气检测中心有限公司 | Switch cubicle test device |
| CN111580429A (en) * | 2020-05-07 | 2020-08-25 | 武汉理工大学 | Internet of things terminal data acquisition device and monitoring method suitable for shore power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20130627 |