CN204166106U - Threephase asynchronous machine malfunction monitoring and warning system - Google Patents

Threephase asynchronous machine malfunction monitoring and warning system Download PDF

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Publication number
CN204166106U
CN204166106U CN201420693298.4U CN201420693298U CN204166106U CN 204166106 U CN204166106 U CN 204166106U CN 201420693298 U CN201420693298 U CN 201420693298U CN 204166106 U CN204166106 U CN 204166106U
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CN
China
Prior art keywords
warning
asynchronous machine
threephase asynchronous
motor
sensor
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CN201420693298.4U
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Chinese (zh)
Inventor
许其山
曾庆平
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芜湖杰诺瑞汽车电器系统有限公司
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Priority to CN201420693298.4U priority Critical patent/CN204166106U/en
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Publication of CN204166106U publication Critical patent/CN204166106U/en

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Abstract

The utility model discloses a kind of threephase asynchronous machine malfunction monitoring and warning system; relate to a kind of motor monitoring technology; comprise sensor assembly, signal processing unit, microprocessor controller, Operation display module, warning device, communication unit and execution protection module.The sensor input connection module of described signal processing unit, output terminal connects microprocessor controller, and described warning device, Operation display module are connected with microprocessor unit respectively with communication unit.By the operational factor of sensor assembly Real-time Collection threephase asynchronous machine; comprehensively analyze through microprocessor unit, process and judge the operating mode of threephase asynchronous machine; Timeliness coverage fault warning reminding staff take appropriate measures, and protection threephase asynchronous machine is not damaged.

Description

Threephase asynchronous machine malfunction monitoring and warning system

Technical field

The utility model relates to a kind of motor monitoring technology, particularly relates to a kind of threephase asynchronous machine malfunction monitoring and alarm technique field.

Background technology

Along with the fast development of national economy, in order to meet the needs of modern industry production application, threephase asynchronous machine requires to have higher adjusting speed accuracy, larger speed adjustable range and response speed faster, threephase asynchronous machine may because superpotential, under-voltage in the application of reality, electric current is excessive, temperature is higher and the factors such as infringement that insulate, be affected and can not work normally, commercial production is affected.So be necessary to monitor threephase asynchronous machine, understand the production operation situation of motor timely, the fault of anticipation motor is also handled it timely in advance, prevents the production of the industry that makes a difference of electrical fault.

Summary of the invention

The purpose of this utility model is to overcome for the problems referred to above; a kind of threephase asynchronous machine malfunction monitoring and warning system are provided; the working condition of monitoring threephase asynchronous machine; motor information according to collection in worksite grasps the operating mode of motor in real time; take corresponding safeguard measure timely for abnormal, ensure the normal operation of motor.

For achieving the above object, the utility model is achieved through the following technical solutions.

A kind of threephase asynchronous machine malfunction monitoring and warning system, is characterized in that: comprise sensor assembly, signal processing unit, microprocessor controller, Operation display module, warning device, communication unit, execution protection module and threephase asynchronous machine; The sensor input connection module of described signal processing unit; output terminal connects microprocessor controller; described warning device, Operation display module are connected with microprocessor controller respectively with communication unit; described execution protection module input end connects communication module, and output terminal connects threephase asynchronous machine.

Described sensor assembly comprises voltage sensor, current sensor, temperature sensor, speed pickup (tech-generator); The three-phase voltage of voltage sensor senses motor, current sensor detects the three-phase current of motor, and temperature sensor detects the temperature of motor, and speed pickup detects the rotating speed of motor.

Described sensor assembly also comprises megohmmeter, described megohmmeter for measure threephase asynchronous machine phase and ground between insulation, alternate insulation.

Described signal processing unit comprises filtering circuit, amplifying circuit and change-over circuit, and filtering circuit carries out filtering and noise reduction to the information of sensor assembly collection, amplifies through amplifying circuit, by change-over circuit, this information is converted to digital signal.

Described microprocessor controller processor chips are arbitrary a kind of in DSP or ARM.

Described warning device is audible-visual annunciator, and this alarm can be sounded and light is reported to the police.

The beneficial effects of the utility model are: the utility model provides a kind of threephase asynchronous machine malfunction monitoring and warning system; by detecting the voltage of motor, electric current, temperature and insulativity; grasp the working condition of motor; find the fault of motor emerged in operation timely; and send warning with the form of acousto-optic; remind staff by arranging operation display unit; the order of this setting is sent to execution protection module by communication module; make corresponding process to the working condition of motor, protection motor is without prejudice.

Accompanying drawing explanation

Fig. 1 is system architecture diagram of the present utility model.

Fig. 2 is signal processing unit structured flowchart of the present utility model.

Embodiment

In order to make the purpose of this utility model, technical scheme and creation characteristic clearly understand, below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1 and Figure 2, a kind of threephase asynchronous machine malfunction monitoring and warning system, comprise sensor assembly, signal processing unit, microprocessor controller, Operation display module, warning device, communication unit, execution protection module and threephase asynchronous machine.The sensor input connection module of described signal processing unit; output terminal connects microprocessor controller; described warning device, Operation display module are connected with microprocessor controller respectively with communication unit; described execution protection module input end connects communication module, and output terminal connects threephase asynchronous machine.

Sensor assembly comprises voltage sensor, current sensor, temperature sensor, speed pickup.Overtension may affect the insulativity of motor, and brownout can affect the output power of motor, and it is heavier to cause that the motor feels hot, and the three-phase voltage of voltage sensor senses motor, grasps the voltage condition of motor timely; Current sensor detects the three-phase current of motor, because electric current crosses the winding that conference affects motor; It is cause due to the heating of motor that the temperature of motor raises, and temperature sensor detects the temperature of motor, and temperature raises suddenly or excessive explanation motor there occurs fault; Speed pickup adopts tech-generator to detect the rotating speed of motor, and the speed of motor speed directly affects the progress of production.

Described sensor assembly also comprises megohmmeter, described megohmmeter for measure threephase asynchronous machine phase and ground between insulation, alternate insulation, because motor production run self to the earth, and insulation between three-phase windings is most important, insulation will be once the safe operation of destroyed motor will be subject to serious impact.

Described signal processing unit comprises filtering circuit, amplifying circuit and change-over circuit, filtering circuit carries out filtering and noise reduction to the information of sensor assembly collection, amplify through amplifying circuit, the information of collection is that this information is converted to digital signal by change-over circuit by simulating signal, described microprocessor controller processor chips are arbitrary a kind of in DSP or ARM, microprocessor controller receives the digital signal of conversion, this digital signal is analyzed, judge and will be presented in Operation display module during fructufy, if range of parameter values warning device that threephase asynchronous machine normally runs sends warning to have parameter to exceed, described warning device is audible-visual annunciator, this alarm can be sounded and light is reported to the police, inform staff on duty timely, safeguard measure is taked to motor, by setting operation display module, the fault of reporting to the police is processed accordingly, the information of this setting judges to export by microprocessor controller analysis, execution protection module is sent to by communication module, execution protection module receives this command information and will make action to threephase asynchronous machine immediately, according to the menace level of fault, take corresponding safeguard measure, protection motor is without prejudice, commercial production can normally be carried out unaffected.

Claims (6)

1. threephase asynchronous machine malfunction monitoring and a warning system, is characterized in that: comprise sensor assembly, signal processing unit, microprocessor controller, Operation display module, warning device, communication unit, execution protection module and threephase asynchronous machine; The sensor input connection module of described signal processing unit; output terminal connects microprocessor controller; described warning device, Operation display module are connected with microprocessor controller respectively with communication unit; described execution protection module input end connects communication module, and output terminal connects threephase asynchronous machine.
2. threephase asynchronous machine malfunction monitoring according to claim 1 and warning system, is characterized in that: described sensor assembly comprises voltage sensor, current sensor, temperature sensor, speed pickup; The three-phase voltage of voltage sensor senses motor, current sensor detects the three-phase current of motor, and temperature sensor detects the temperature of motor, and speed pickup detects the rotating speed of motor.
3. threephase asynchronous machine malfunction monitoring according to claim 2 and warning system, is characterized in that: described sensor assembly also comprises megohmmeter, described megohmmeter for measure threephase asynchronous machine phase and ground between insulation, alternate insulation.
4. threephase asynchronous machine malfunction monitoring according to claim 1 and warning system, it is characterized in that: described signal processing unit comprises filtering circuit, amplifying circuit and change-over circuit, filtering circuit carries out filtering and noise reduction to the information of sensor assembly collection, amplify through amplifying circuit, by change-over circuit, this information is converted to digital signal.
5. threephase asynchronous machine malfunction monitoring according to claim 1 and warning system, is characterized in that: described microprocessor controller processor chips are arbitrary a kind of in DSP or ARM.
6. threephase asynchronous machine malfunction monitoring according to claim 1 and warning system, is characterized in that: described warning device is audible-visual annunciator, and this alarm can be sounded and light is reported to the police.
CN201420693298.4U 2014-11-19 2014-11-19 Threephase asynchronous machine malfunction monitoring and warning system CN204166106U (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420693298.4U CN204166106U (en) 2014-11-19 2014-11-19 Threephase asynchronous machine malfunction monitoring and warning system

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104297687A (en) * 2014-11-19 2015-01-21 芜湖杰诺瑞汽车电器系统有限公司 Failure monitoring and alarm system for three-phase asynchronous motor
CN104808011A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor revolving speed testing system based on self-gain control
CN104808146A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 High-accuracy motor testing system
CN104808010A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor rotation speed testing system based on triode double triggering circuit
CN104808145A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor temperature control testing system based on self-gain control
CN104808009A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor speed measuring system based on phase processing
CN104808143A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Field-effect transistor driving circuit based motor temperature control test system
CN104808144A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor test system based on compound type oscillating circuit
CN104820186A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 Linear drive motor speed test system based on automatic level control
CN104820105A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 High-accuracy motor test system based on triode trigger circuit
CN104820106A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 Motor speed test system based on reverse current source
CN104820185A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 Motor speed test system based on signal pre-amplification
CN106585423A (en) * 2016-12-27 2017-04-26 安徽本纪智能科技有限公司 Intelligent motor control system for new energy automobile
CN107918100A (en) * 2017-11-27 2018-04-17 苏州惠琪特电子科技有限公司 A kind of small and special electric machine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104297687A (en) * 2014-11-19 2015-01-21 芜湖杰诺瑞汽车电器系统有限公司 Failure monitoring and alarm system for three-phase asynchronous motor
CN104808144A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor test system based on compound type oscillating circuit
CN104808146A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 High-accuracy motor testing system
CN104808010A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor rotation speed testing system based on triode double triggering circuit
CN104808145A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor temperature control testing system based on self-gain control
CN104808009A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor speed measuring system based on phase processing
CN104808143A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Field-effect transistor driving circuit based motor temperature control test system
CN104808011A (en) * 2015-05-06 2015-07-29 成都诚邦动力测试仪器有限公司 Motor revolving speed testing system based on self-gain control
CN104820186A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 Linear drive motor speed test system based on automatic level control
CN104820105A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 High-accuracy motor test system based on triode trigger circuit
CN104820106A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 Motor speed test system based on reverse current source
CN104820185A (en) * 2015-05-06 2015-08-05 成都诚邦动力测试仪器有限公司 Motor speed test system based on signal pre-amplification
CN106585423A (en) * 2016-12-27 2017-04-26 安徽本纪智能科技有限公司 Intelligent motor control system for new energy automobile
CN107918100A (en) * 2017-11-27 2018-04-17 苏州惠琪特电子科技有限公司 A kind of small and special electric machine

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Granted publication date: 20150218

Termination date: 20161119