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Motor operation monitoring apparatus

A technology of operation monitoring and electric motors, which is applied in the direction of motor generator testing, measuring devices, measuring electricity, etc. It can solve the problems of double-motor or multi-motor drive system monitoring loopholes, operators cannot find and deal with them in time, and operating current increases. , to achieve the effect of reducing inspection frequency, reducing troubleshooting time, and increasing accuracy

Pending Publication Date: 2016-12-21
TIANCHEN COAL MINE OF ZAOZHUANG MINING GRP
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AI Technical Summary

Problems solved by technology

However, most electronic control systems currently on the market have loopholes in the monitoring of dual-motor or multi-motor drive systems, and can only monitor the total current of two or more motors
If one of the motors fails and stops due to the same load, the work of other motors increases and the operating current increases, while the total current monitored by the electronic control system does not change much, and the operator cannot find out and deal with it in time, so long-term operation will lead to Motor burned out

Method used

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  • Motor operation monitoring apparatus

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Embodiment Construction

[0016] figure 1 Schematic diagram of the motor running monitoring device. Among them, TA1, TA2, TA3 and TA4 are current sensing switches; PLC is the programmable controller of Mitsubishi FX2N series; HL1 and HL2 are the motor running indicators of motor M1 and motor M2 respectively; HA1 and HA2 are the motor overload of motor M1 respectively The buzzer and the motor failure buzzer, HA3 and HA4 are respectively the motor overload buzzer and the motor failure buzzer of the motor M2.

[0017] The motor operation monitoring device can monitor the operation status of each motor in the dual-motor or multi-motor drive system in real time, and give an alarm in time when there is an abnormality, so as to prevent the failure of one motor and cause another motor or several motors to burn out. Bad. The device is composed of a current sensing switch, a programmable controller, an alarm indicating element, etc. If it is used underground, the device can be installed in an explosion-proof s...

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Abstract

The invention discloses a motor operation monitoring apparatus, for the purposes of monitoring the operation condition of each motor in a double-motor or multi-motor driving system and giving an alarm timely in case of abnormities so as to prevent another one or several motors from burning damage caused by shutdown of a certain motor due to a fault. The apparatus is installed in an electrical control system of at least two motors and comprises a programmable controller, a current induction switch and an alarm indication element, wherein at least one stator inlet wire of each motor is provided with a current induction switch, the current induction switches are connected with the input end of the programmable controller, and the output end of the programmable controller is connected with the alarm indication element. The apparatus has the following advantages: the motor operation monitoring apparatus mitigates the inspection frequency of operation personnel, increase monitoring accuracy and mitigates the labor intensity of employees; and the apparatus can help maintenance personnel o discover fault points timely, reduces fault processing time and greatly reduces the influence degree on production.

Description

technical field [0001] The invention relates to a motor detection device. Background technique [0002] With the continuous advancement of science and technology, in the production industry, the application of electric motors is becoming more and more extensive, and there are more and more types. Due to the higher and higher requirements for torque, the equipment driven by double motors or multi-motors is gradually increasing. , and the future application will certainly be more extensive. [0003] The motor is the core part of the whole system, so the electric control system matched with the motor also monitors its operation, such as current, voltage and other data can also be displayed in real time. When the motor fails, its operating data will also change abnormally, and it can be stopped in time to prevent the motor from burning out. However, most electronic control systems currently on the market have loopholes in the monitoring of dual-motor or multi-motor drive syste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/34
CPCG01R31/343
Inventor 赵增选陶长青张勇李胜利王浩付文超
Owner TIANCHEN COAL MINE OF ZAOZHUANG MINING GRP
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