CN104795796A - Motor fault monitoring device and method of intelligent ring main unit - Google Patents
Motor fault monitoring device and method of intelligent ring main unit Download PDFInfo
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- CN104795796A CN104795796A CN201510193361.7A CN201510193361A CN104795796A CN 104795796 A CN104795796 A CN 104795796A CN 201510193361 A CN201510193361 A CN 201510193361A CN 104795796 A CN104795796 A CN 104795796A
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Abstract
The invention relates to a motor fault monitoring device and method of an intelligent ring main unit. The device comprises a master control unit, a motor current collecting module, a motor rotation control module and a fault judging module, wherein the fault judging module judges whether a motor works normally or not according to the motor current signals provided by the motor current collecting module, and the master control unit transmits corresponding commands to the motor rotation control module so as to control the operation of the motor according to the judging results provided by the fault judging module. The motor fault monitoring device has the advantages that the on-off control motor of an intelligent ring main unit switch can be protected, and reliable motor switch on and off are guaranteed.
Description
Technical field
The present invention relates to electric power network equipment, particularly the monitoring of the intelligent network distribution equipment of electric power network.
Background technology
Intelligent distribution network is the important ring during intelligent grid is built, and the present computer technology, communication network technology are integrated in one by it, runs distant place real time monitoring to the equipment on power distribution network, and coordinate and control, this is the inexorable trend of electric power system modern development.Current distribution system to open, integration and integrated comprehensive automation future development, with from improve power distribution network operation of power networks reliability and efficiency, raising power supply quality, reduce labour intensity, make full use of existing capacity of equipment and shorten interruption duration and reduce the many aspects such as power failure area for electric power system and bring considerable economic benefit and social benefit.
Usually motor is installed in existing intelligent ring main unit.Deciliter control of looped network cabinet switch can be realized by the rotating controlling motor.The positive and negative rotation of motor is then driven by the electric current of motor.There is some problem in this Intelligent ring network cabinet: motor is in the process of rotating, occur sometimes rotating fault, such as: electric machine rotation is not in place, in electric machine rotation process by card etc., cause switch deciliter failure, time serious, also may burn out motor.
Summary of the invention
The technical problem to be solved in the present invention is to avoid deciliter control motor of intelligent ring main unit switch in prior art often to occur rotating the weak point of fault; the present invention proposes a kind of electrical fault supervising device and method of intelligent ring main unit, deciliter control motor of intelligent ring main unit switch can be protected and guarantee that switch deciliter is reliable.
For the above-mentioned technical problem that will solve, the technical solution adopted in the present invention is as follows:
A kind of electrical fault supervising device of intelligent ring main unit is provided, comprise current of electric acquisition module, electric machine rotation control module, judge for the motor current signal provided according to this motor acquisition module the fault verification module whether motor is working properly, and sending corresponding main control unit of ordering for the result of determination provided according to this fault verification module to described electric machine rotation control module, described current of electric acquisition module, electric machine rotation control module and fault verification module are electrically connected with described main control unit respectively.
Further, described electric machine rotation control module comprises for the electric machine rotation control section of output motor turn signal with the positive and negative rotation of control motor, and the urgency of the emergent stopping rotation when rotating for output motor emergent stop signal and control motor stops control section.
Further, also comprise the breakdown judge intelligent learning module that the current failure criterion for providing this fault verification module learns, this breakdown judge intelligent learning module is electrically connected with main control unit.
Further, also comprise the power supply management module for providing working power, this power supply management module is electrically connected with main control unit.
Further, the described main control unit memory, real-time clock and the download program jtag interface that comprise microprocessor and be connected with this microprocessor.
Propose a kind of electrical fault method for supervising of intelligent ring main unit, the electrical fault supervising device based on intelligent ring main unit comprises main control unit, current of electric acquisition module, electric machine rotation control module and fault verification module; According to the motor current signal that described motor acquisition module provides, described fault verification module judges that whether motor is working properly, described main control unit and then send corresponding order to this electric machine rotation control module, for controlling the work of motor according to the result of determination that described fault verification module provides.
Further, the result of determination that described fault verification module provides be motor be in malfunction time, described main control unit sends to this electric machine rotation control module that motor is anxious stops order, rotates for making motor emergent stopping.
Further, described main control unit to after described electric machine rotation control module sends that motor is anxious and stops order, then sends electrical fault to described electric machine rotation control module and automatically repairs order, for making motor rotate round about, recovers motor normal condition.
Further, the breakdown judge intelligent learning module of described electrical fault supervising device learns the current failure criterion that described fault verification module provides, and then safeguards failure criterion storehouse.
Further, described study refers to and existing failure criterion in current failure criterion and failure criterion storehouse is compared, if new, then new failure criterion added this failure criterion storehouse and enables new failure criterion.
Compared with prior art; technique effect of the present invention is: by arranging the electrical fault supervising device be made up of main control unit, current of electric acquisition module, electric machine rotation control module and fault verification module etc.; the motor current signal that can provide according to motor acquisition module controls the work of motor, thus can protect deciliter control motor of intelligent ring main unit switch and guarantee that motor switch deciliter is reliable.
Accompanying drawing explanation
Fig. 1 is the structure block diagram of the electrical fault supervising device of intelligent ring main unit of the present invention.
Fig. 2 is the schematic block circuit diagram of electrical fault supervising device of the present invention.
Fig. 3 is the schematic flow sheet of electrical fault method for supervising of the present invention.
Fig. 4 is the schematic flow sheet of the failure criterion Intelligentized learning process of electrical fault method for supervising of the present invention.
Embodiment
Now by reference to the accompanying drawings, embodiments of the invention are elaborated.
The present invention proposes a kind of electrical fault supervising device of intelligent ring main unit, it can monitor the electric current of ring main unit motor, and analyze according to the change of current of electric, with breakdown judge according to contrasting, judge whether motor is in malfunction fast and accurately.Further, after discovery electrical fault, electric machine rotation can be stopped in time by suddenly stopping processing, being rotated further under preventing motor from nonserviceabling and burning out motor; And rotate backward according to malfunction control motor, automatic repair process is carried out to electrical fault.In addition, process can also be carried out to the current of electric data of electrical fault and store and intelligent learning, electrical fault of enriching constantly basis for estimation.
It is the structure of block diagram signal of the electrical fault supervising device of intelligent ring main unit of the present invention see Fig. 1, Fig. 1.The electrical fault supervising device of intelligent ring main unit of the present invention comprises: main control unit 1, current of electric acquisition module 2, electric machine rotation control module 3, power supply management module 4, fault verification module 5 and failure criterion intelligent learning module 6.Wherein, main control unit 1 is the core processing module of this electrical fault supervising device.Power supply management module 4 is powered for this electrical fault supervising device.This electrical fault supervising device obtains the current data of motor by this current of electric acquisition module 2, judges whether motor breaks down by fault verification module 5.If motor breaks down, carry out urgency by electric machine rotation control module 3 pairs of motors and stop and fault selfreparing process; Meanwhile, the failure criterion of motor can pass through failure criterion intelligent learning module 6 intelligent learning from all previous fault data, failure criterion of enriching constantly.In other words, the current failure criterion that breakdown judge intelligent learning module 6 can be used for this fault verification module 5 provides learns, and then safeguards failure criterion storehouse.
See the circuit structure signal that Fig. 2, Fig. 2 are electrical fault supervising device of the present invention.This main control unit 1 specifically comprises: microprocessor 11, real-time clock 12, download program JTAG(Joint Test Action Group, joint test behavior tissue) interface 13, system bus 14 and memory 15.Wherein, ARM chip selected by microprocessor 11, the data sampling and processing of completion system and the control of motor.The data record that memory 15 can not be lost for storage system parameter, electrical fault current data and power down.This current of electric acquisition module 2 can carry out AD sample transition to the current signal Iin of motor and become digital signal.This data electric machine rotation control module 3 specifically comprises: rotate control section 31, for output motor turn signal Mm, controls the positive and negative rotation of motor; And suddenly stop control section 32, for output motor emergent stop signal Ms, control motor emergent stopping when rotating and rotate.This power supply management module 4 specifically comprises: system power supply 41 and power module 42; Wherein, this power module 42 matches with this microprocessor 11.Preferably, this fault verification module 5 and failure criterion intelligent learning module 6 are all that the program run by this microprocessor 11 realizes.
See the main flow signal that Fig. 3, Fig. 3 are electrical fault method for supervising of the present invention.Visible, after this electrical fault supervising device startup optimization, handling process roughly comprises:
Step S301, AD sampling module obtain the current data of motor by AD sampling, put into data buffer storage;
Step S302, the current of electric data of acquisition and failure criterion are carried out comparing calculation;
Step S303, judge whether motor breaks down, if there is no fault, then return step S301, continue to gather current of electric data, if it is determined that go out electrical fault, then go to step S304;
Step S304, motor carried out to urgency and stop process, output motor is anxious stops information, controls motor emergent stopping and rotates;
After step S305, motor stalls, carry out the automatic repair process of electrical fault, control motor and rotate round about, recover motor normal condition;
Step S306, processed after, the electrical fault data recorded in data buffer storage are carried out stores processor, then return step S301 and continue to gather current of electric data, judge malfunction next time.
It is the flow process signal of the failure criterion Intelligentized learning process of electrical fault method for supervising of the present invention see Fig. 4, Fig. 4.When this electrical fault supervising device finds that there is new fault current data storage, handling process roughly comprises:
Fault current data in step S401, reading cells;
Step S402, analysis of failure curent change, calculate and obtain failure criterion;
Original failure criterion in step S403, comparison system, compares by existing failure criterion in current failure criterion and failure criterion storehouse;
Step S404, judge whether new criterion, if not, then process ends, if so, is then for further processing;
Add in step S405, system and enable new failure criterion, add failure criterion storehouse by new failure criterion and enable new failure criterion.
The beneficial effect that intelligent ring main unit of the present invention and electrical fault supervising device thereof have comprises: owing to have employed the electrical fault state judging ring main unit by gathering ring main unit current of electric, and ring main unit motor is carried out to the design of troubleshooting, electrical fault can be judged fast and accurately, be rotated further under avoiding motor to nonserviceable and damage motor; Owing to have employed the design of electrical fault criteria intelligent study, electrical fault criterion can be made to enrich along with running time.In addition, this electrical fault supervising device can be protected motor and guarantee that switch deciliter is reliable.
Should be understood that, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit, for a person skilled in the art, technical scheme described in above-described embodiment can be modified, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments and replacement, all should belong to the protection range of claims of the present invention.
Claims (10)
1. the electrical fault supervising device of an intelligent ring main unit, it is characterized in that, comprise current of electric acquisition module, electric machine rotation control module, judge for the motor current signal provided according to this motor acquisition module the fault verification module whether motor is working properly, and sending corresponding main control unit of ordering for the result of determination provided according to this fault verification module to described electric machine rotation control module, described current of electric acquisition module, electric machine rotation control module and fault verification module are electrically connected with described main control unit respectively.
2. the electrical fault supervising device of intelligent ring main unit according to claim 1, it is characterized in that, described electric machine rotation control module comprises for the electric machine rotation control section of output motor turn signal with the positive and negative rotation of control motor, and the urgency of the emergent stopping rotation when rotating for output motor emergent stop signal and control motor stops control section.
3. the electrical fault supervising device of intelligent ring main unit according to claim 1, it is characterized in that, also comprise the breakdown judge intelligent learning module that the current failure criterion for providing this fault verification module learns, this breakdown judge intelligent learning module is electrically connected with main control unit.
4. the electrical fault supervising device of intelligent ring main unit according to claim 1, is characterized in that, also comprise the power supply management module for providing working power, this power supply management module is electrically connected with main control unit.
5. the electrical fault supervising device of intelligent ring main unit according to claim 1, is characterized in that, memory, real-time clock and download program jtag interface that described main control unit comprises microprocessor and is connected with this microprocessor.
6. an electrical fault method for supervising for intelligent ring main unit, is characterized in that, the electrical fault supervising device based on intelligent ring main unit comprises main control unit, current of electric acquisition module, electric machine rotation control module and fault verification module; According to the motor current signal that described motor acquisition module provides, described fault verification module judges that whether motor is working properly, described main control unit and then send corresponding order to this electric machine rotation control module, for controlling the work of motor according to the result of determination that described fault verification module provides.
7. the electrical fault method for supervising of intelligent ring main unit according to claim 6, it is characterized in that, the result of determination that described fault verification module provides be motor be in malfunction time, described main control unit sends motor to this electric machine rotation control module and suddenly stops order, rotates for making motor emergent stopping.
8. the electrical fault method for supervising of intelligent ring main unit according to claim 7, it is characterized in that, described main control unit is to after described electric machine rotation control module sends that motor is anxious and stops order, send electrical fault to described electric machine rotation control module again and automatically repair order, for making motor rotate round about, recover motor normal condition.
9. the electrical fault method for supervising of intelligent ring main unit according to claim 6, it is characterized in that, the breakdown judge intelligent learning module of described electrical fault supervising device learns the current failure criterion that described fault verification module provides, and then safeguards failure criterion storehouse.
10. the electrical fault method for supervising of intelligent ring main unit according to claim 9, it is characterized in that, described study refers to and existing failure criterion in current failure criterion and failure criterion storehouse is compared, if new, then new failure criterion added this failure criterion storehouse and enable new failure criterion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510193361.7A CN104795796A (en) | 2015-04-22 | 2015-04-22 | Motor fault monitoring device and method of intelligent ring main unit |
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| CN201510193361.7A CN104795796A (en) | 2015-04-22 | 2015-04-22 | Motor fault monitoring device and method of intelligent ring main unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425149A (en) * | 2015-11-06 | 2016-03-23 | 中国科学院电工研究所 | Detection device for AC motor drive system |
| CN109031117A (en) * | 2018-06-29 | 2018-12-18 | 昆山沪利微电有限公司 | A kind of electroplating device vibrating motor running state monitoring system and monitoring method |
| CN109991916A (en) * | 2019-03-25 | 2019-07-09 | 浙江电力变压器有限公司温州昌泰电力开关分公司 | A kind of general PLC control system for ring network cabinet motor control |
| CN110514961A (en) * | 2019-08-27 | 2019-11-29 | 宁波天安（集团）股份有限公司 | Ring network cabinet fault monitoring control device |
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| CN1611955A (en) * | 2003-05-17 | 2005-05-04 | 杜玉晓 | Distributed intelligent monitoring system for motor |
| US20060076832A1 (en) * | 2004-09-07 | 2006-04-13 | Mitsubishi Denki Kabushiki Kaisha | Electromotive power steering controller |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425149A (en) * | 2015-11-06 | 2016-03-23 | 中国科学院电工研究所 | Detection device for AC motor drive system |
| CN105425149B (en) * | 2015-11-06 | 2019-02-26 | 中国科学院电工研究所 | A kind of AC machine drive system detection device |
| CN109031117A (en) * | 2018-06-29 | 2018-12-18 | 昆山沪利微电有限公司 | A kind of electroplating device vibrating motor running state monitoring system and monitoring method |
| CN109991916A (en) * | 2019-03-25 | 2019-07-09 | 浙江电力变压器有限公司温州昌泰电力开关分公司 | A kind of general PLC control system for ring network cabinet motor control |
| CN110514961A (en) * | 2019-08-27 | 2019-11-29 | 宁波天安（集团）股份有限公司 | Ring network cabinet fault monitoring control device |
| CN110514961B (en) * | 2019-08-27 | 2023-12-08 | 宁波天安（集团）股份有限公司 | Ring main unit fault monitoring control device |
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