CN106706039A - Online testing device, online testing system and online testing method for electromechanical equipment - Google Patents

Online testing device, online testing system and online testing method for electromechanical equipment Download PDF

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Publication number
CN106706039A
CN106706039A CN201710020898.2A CN201710020898A CN106706039A CN 106706039 A CN106706039 A CN 106706039A CN 201710020898 A CN201710020898 A CN 201710020898A CN 106706039 A CN106706039 A CN 106706039A
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CN
China
Prior art keywords
signal
electromechanical equipment
testing
data
equipment
Prior art date
Application number
CN201710020898.2A
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Chinese (zh)
Inventor
王丁
孙书利
Original Assignee
黑龙江大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 黑龙江大学 filed Critical 黑龙江大学
Priority to CN201710020898.2A priority Critical patent/CN106706039A/en
Publication of CN106706039A publication Critical patent/CN106706039A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass

Abstract

The invention discloses an online testing device, an online testing system and an online testing method for electromechanical equipment. Compared with a testing system in the prior art, existing operation equipment has the characteristics that a core part of to-be-detected equipment is taken as a center, and testing environments and testing parts are built and added so as to form a system; but the online testing device has the characteristics that a detection part is additionally arranged during the operation of the electromechanical equipment so as to carry out operational analysis and subsequent management and is obviously different from the prior art, particularly when multiple pieces of different equipment are detected, a testing system needs to be repeatedly built on the different equipment in the existing equipment, and the testing system disclosed by the invention can be applied to different equipment and only needs to be rewired, so that the application range is greatly expanded, and the detection efficiency is greatly improved.

Description

A kind of electromechanical equipment online testing device and its test system and method for testing
Technical field:
The present invention relates to electromechanical equipment on-line testing technique field, a kind of electromechanical equipment on-line testing dress has been specifically related to Put and its test system and method for testing.
Background technology
Machinery electronic integral equipment, or electronic equipment is reduced to, it is existing most widely used equipment.These equipment can be with It is the commodity of purchase, can is oneself assembling, may also be oneself and make.Either which kind of equipment, if recording equipment operation shape If state, will a device.It is therefore proposed that one kind can be estimated system to equipment runnability.Here equipment fortune Row state includes hardware and software.But, and the currently running testing equipment of a class is completely different:One class is currently running Testing equipment is centered on the core component of the equipment to be detected, then to build and add test environment and test component, both It is combined into a system.
But, this currently running testing equipment, device used is more, price costly, the development process time It is long, in addition it is also necessary to the arrangement of complexity is carried out to specific detection circuit.
The content of the invention:
The invention aims to provide one kind when electromechanical equipment run separately plus detection part carry out operating analysis with The electromechanical equipment online testing device and its test system and method for testing of follow-up management.
The purpose is achieved by the following scheme,
A kind of electromechanical equipment online testing device, is connected by cable with detected electromechanical equipment, it is characterised in that:Bag Include
Signal receiving unit, for receive on electromechanical equipment send signal and convert thereof into data transfer,
Data fusion and performance judgment unit, for receiving the data of signal receiving unit transmission and being merged and performance Judge,
Communication module, for by by the data feedback after fusion with performance judgment to control end, so that testing staff reads Take.
Used as improvement of the invention, the signal receiving unit is included
Control supply coupling on first voltage current sensor and process circuit, with electromechanical equipment, for receiving control The voltage of power supply and the instant data of electric current;
Program run signal receiving circuit, the microprocessor portion with electromechanical equipment is coupled, for receiving microprocessor portion The program run signal divided;
Main power source coupling on second voltage current sensor and process circuit, with electromechanical equipment, for receiving main power source Voltage and the instant data of electric current;
Motor parameter sensor and process circuit, are connected with the motor on electromechanical equipment, and electricity is driven for receiving The rotating signal of motor shaft in machine;
Mechanical parameter sensor and process circuit, are connected, with the various mechanical structures on electromechanical equipment for receiving machinery The deformation of structure and acceleration signal.
As a further improvement on the present invention, the communication module is wireless communication module.
A kind of system that on-line testing is carried out to electromechanical equipment using above-mentioned electromechanical equipment online testing device, includes
Signal generator module, the signal generator module is integrated on monitored equipment, for producing signal and by signal Microprocessor is transferred to by holding wire;
Microprocessor, includes analog/digital converter, central processing unit, memory and address bus, and the simulation/ Digital quantizer is used to receive the analog signal of signal generator module and be converted into data signal to collect into by address bus Central processor, the central processing unit is used to carry out data signal computing so as to make performance judgment to monitored equipment, then Data transfer to memory and communication module will be judged;
Communication module, for that will judge that data is activation to control end reads for monitoring personnel;
Control power supply, can produce control voltage and control electric current;
The main power source of electric power major loop, i.e. electromechanical equipment, can produce main circuit current and main circuit voltage;
As a further improvement on the present invention, the signal generator module is included
Mechanical structure, can be deformed signal and acceleration signal by sensor;
Motor parameter sensor, is arranged on the motor of electromechanical equipment, can produce the parameter signal of motor;
The program of electromechanical equipment main program, energy generating routine run signal and generating routine running status.
A kind of method for carrying out on-line testing using above-mentioned electromechanical equipment online testing device, includes following steps:
1), used by current sensor, voltage sensor, encoder, 3-axis acceleration sensor and displacement transducer The analog signal of electric current, voltage, motor speed, deformation amount of mechanical structure, acceleration and the program operation on electromechanical equipment is simultaneously Send to the microprocessor of online testing device;
2), the analog signal that the analog/digital converter in microprocessor will be received changes into data signal, and by ground Location bus is sent to central processing unit;
3), central processing unit carries out data fusion and performance judgment, and sent while structure is stored to memory to Communication module;
4), communication module sends information to control end, is read for monitoring personnel.
As it is of the invention preferably, step 4) in communication module be wireless communication module.
Compared with prior art, the advantage of the invention is that:Device used is less, cheap, it is not necessary to too many Cost, the development process time is shorter, designs also relatively easy, with certain actual application value.If can be promoted and big Amount production, then be bound to save great amount of cost to industrial production, brings significant economic benefit.
Brief description of the drawings:
Fig. 1 is the overall structure diagram of electromechanical equipment online testing device in the present invention;
Fig. 2 is the hardware design schematic diagram of Fig. 1;
Fig. 3 is LA28-NP pin wiring diagrams;
Fig. 4 is LV28-P pin wiring diagrams.
Specific embodiment:
The preferred embodiment of the present invention is elaborated below in conjunction with the accompanying drawings.
The invention provides a kind of electromechanical equipment online testing device, the test device is by cable and detected machine Electric equipment be connected, it includes signal receiving unit, be mainly used in receive electromechanical equipment on send signal and convert thereof into Data transfer, specifically, the signal receiving unit is included on first voltage current sensor and process circuit, with electromechanical equipment Control supply coupling, voltage and the instant data of electric current for receiving control power supply;Program run signal receiving circuit, with machine The microprocessor portion coupling of electric equipment, the program run signal for receiving microprocessor portion;Second voltage current sense Main power source coupling on device and process circuit, with electromechanical equipment, voltage and the instant data of electric current for receiving main power source;It is electronic Machine parameter sensors and process circuit, are connected with the motor on electromechanical equipment, for receiving motor shaft in motor Rotating signal;Mechanical parameter sensor and process circuit, are connected, with the various mechanical structures on electromechanical equipment for receiving machinery The deformation of structure and acceleration signal.
The test device of the present embodiment further comprises data fusion and performance judgment unit, for receiving signal receiving unit The data of transmission are simultaneously merged and performance judgment;Communication module, for by by the data feedback after fusion with performance judgment To the display at control end such as PC ends, so that testing staff reads.Here, it is preferred that use wireless communication module, ensure While data transmission bauds, the wiring process between test device and control end is also eliminated, it is more convenient.
The system that on-line testing is carried out to electromechanical equipment using above-mentioned electromechanical equipment online testing device, the system is included Signal generator module, the signal generator module is integrated on monitored equipment, for producing signal and signal being passed through into signal Line is transferred to microprocessor;
Microprocessor, includes analog/digital converter, central processing unit, memory and address bus, and the simulation/ Digital quantizer is used to receive the analog signal of signal generator module and be converted into data signal to collect into by address bus Central processor, the central processing unit is used to carry out data signal computing so as to make performance judgment to monitored equipment, then Data transfer to memory and communication module will be judged;Communication module, for that will judge data is activation to control end for monitoring people Member reads;
Control power supply, can produce control voltage and control electric current;
The main power source of electric power major loop, i.e. electromechanical equipment, can produce main circuit current and main circuit voltage;
The foregoing signal generator module includes mechanical structure, can be deformed signal and acceleration by sensor Signal, acceleration signal here is X/Y/Z 3-axis acceleration signals;Motor parameter sensor, is arranged on electromechanical equipment On motor, the parameter signal of motor can be produced;Electromechanical equipment main program, can generating routine run signal and generation journey The program of sort run state.
Here, it is mainly by current sensor and voltage sensor to realize with the collection of voltage signal for electric current. In the present embodiment, current sensor has selected the LA28-NP multrirange sensors of LEM companies.LEM current sensor modules are The power electronic devices that LEM companies of Switzerland release, it can carry out the measurement of direct current, exchange, pulsating current.LEM modules are a kind of Active electronic transformer, having the prominent advantages that for it organically combines common transformer with hall device, electronic circuit, Both the big advantage of common transformer measurement scope, the strong point that make use of electronic circuit reaction speed fast again had been played.LEM modules by In with series of advantages, thus it is widely used in many fields of Power Electronic Technique.
LA28-NP is the current sensor using the closed loop compensation of Hall effect, can carry out direct current, exchange, pulsating current Measurement.In addition, compared with other current sensors, it also has very big advantage:It is outstanding precision, good linear Degree, Low Drift Temperature, outstanding reaction time, frequency band range are wide, strong without insertion loss, strong antijamming capability, current overload ability.
LA28-NP back sides have 10 pins of two rows, can not select different with us according to connected mode The turn ratio, specific connection description is as shown in table 1.Because the electric current of each phase of ac motor is not more than 2A, so we select The primary side number of turn is the last a kind of mode in 5, that is, table, to improve the precision of measurement.Wherein "+" termination+15V, "-" end - 15V is met, " M " end is output current.RMResistance is determined according to the voltage that oneself demand is exported.
The LA28-NP turn ratio selection mode connection descriptions of table 1
In the present embodiment, voltage sensor uses the LV28-P voltage sensors of LEM companies, its electricity with LEM Flow sensor module principle is the same and with identical advantage.The advantage of LV28-P as LA28-NP, be a difference in that for Voltage measurement, primary current must be by a non-essential resistance R selected by user with the ratio of tested electricity1It is determined that, and connect On sensor primary side loop.LV28-P voltage sensors do not need the selection of range, and difference is to be selected one Non-essential resistance R1, and be connected on sensor primary side loop, the rated current of LV28-P is 10mA, so being for phase voltage The asynchronous motor of 220V chooses R1It is 22k Ω.It is shown, wherein "+" termination+15V, "-" termination -15V, " M " end is output Electric current.RMResistance is determined according to the voltage that oneself demand is exported.
Its specific online test method includes following steps:
1), used by current sensor, voltage sensor, encoder, 3-axis acceleration sensor and displacement transducer The analog signal of electric current, voltage, motor speed, deformation amount of mechanical structure, acceleration and the program operation on electromechanical equipment is simultaneously Send to the microprocessor of online testing device;
2), the analog signal that the analog/digital converter in microprocessor will be received changes into data signal, and by ground Location bus is sent to central processing unit;
3), central processing unit carries out data fusion and performance judgment, and sent while structure is stored to memory to Communication module;
4), communication module sends information to control end, is read for monitoring personnel.
Wherein, step 4) in communication module be wireless communication module.
The above makes the preferred embodiment of the present invention, and this hair is not departed from for the person of ordinary skill of the art On the premise of bright principle, some variations and modifications can also be made, these also should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of electromechanical equipment online testing device, is connected by cable with detected electromechanical equipment, it is characterised in that:Including Have
Signal receiving unit, for receive on electromechanical equipment send signal and convert thereof into data transfer,
Data fusion and performance judgment unit, sentence for receiving the data of signal receiving unit transmission and carrying out fusion and performance It is fixed,
Communication module, for by by the data feedback after fusion with performance judgment to control end, so that testing staff reads.
2. electromechanical equipment online testing device according to claim 1, it is characterised in that:The signal receiving unit includes
Control supply coupling on first voltage current sensor and process circuit, with electromechanical equipment, for receiving control power supply Voltage and the instant data of electric current;
Program run signal receiving circuit, the microprocessor portion with electromechanical equipment is coupled, for receiving microprocessor portion Program run signal;
Main power source coupling on second voltage current sensor and process circuit, with electromechanical equipment, the electricity for receiving main power source Pressure and the instant data of electric current;
Motor parameter sensor and process circuit, are connected with the motor on electromechanical equipment, for receiving motor in The rotating signal of motor shaft;
Mechanical parameter sensor and process circuit, are connected, with the various mechanical structures on electromechanical equipment for receiving mechanical structure Deformation and acceleration signal.
3. electromechanical equipment online testing device according to claim 2, it is characterised in that:The communication module is channel radio Letter module.
4. it is a kind of on-line testing is carried out to electromechanical equipment to be using electromechanical equipment online testing device as claimed in claim 1 System, it is characterised in that:Include
Signal generator module, the signal generator module is integrated on monitored equipment, for producing signal and passing through signal Holding wire is transferred to microprocessor;
Microprocessor, includes analog/digital converter, central processing unit, memory and address bus, the analog/digital Converter is used to receive the analog signal of signal generator module and be converted into data signal to collect to centre by address bus Reason device, the central processing unit is used to carry out data signal computing so as to make performance judgment to monitored equipment, then will sentence Determine data transfer to memory and communication module;
Communication module, for that will judge that data is activation to control end reads for monitoring personnel;
Control power supply, can produce control voltage and control electric current;
The main power source of electric power major loop, i.e. electromechanical equipment, can produce main circuit current and main circuit voltage;
5. electromechanical equipment Online Transaction Processing according to claim 4, it is characterised in that:The signal generator module includes
Mechanical structure, can be deformed signal and acceleration signal by sensor;
Motor parameter sensor, is arranged on the motor of electromechanical equipment, can produce the parameter signal of motor;
The program of electromechanical equipment main program, energy generating routine run signal and generating routine running status.
6. electromechanical equipment Online Transaction Processing according to claim 5, it is characterised in that:The acceleration signal is three axles Acceleration signal.
7. a kind of method for carrying out on-line testing using electromechanical equipment online testing device as claimed in claim 1, includes Following steps:
1), by current sensor, voltage sensor, encoder, 3-axis acceleration sensor and displacement transducer using electromechanical The analog signal of electric current, voltage, motor speed, deformation amount of mechanical structure, acceleration and the program operation in equipment simultaneously sends To the microprocessor of online testing device;
2), the analog signal that the analog/digital converter in microprocessor will be received changes into data signal, and total by address Line is sent to central processing unit;
3), central processing unit carries out data fusion and performance judgment, and is sent to communication while structure is stored to memory Module;
4), communication module sends information to control end, is read for monitoring personnel.
8. on-line testing method according to claim 7, it is characterised in that:Step 4) in communication module be radio communication Module.
CN201710020898.2A 2017-01-11 2017-01-11 Online testing device, online testing system and online testing method for electromechanical equipment CN106706039A (en)

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Application Number Priority Date Filing Date Title
CN201710020898.2A CN106706039A (en) 2017-01-11 2017-01-11 Online testing device, online testing system and online testing method for electromechanical equipment

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Application Number Priority Date Filing Date Title
CN201710020898.2A CN106706039A (en) 2017-01-11 2017-01-11 Online testing device, online testing system and online testing method for electromechanical equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109141512A (en) * 2018-10-27 2019-01-04 徐州巨业机械制造有限公司 A kind of test macro of mechanical equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201417174Y (en) * 2009-06-19 2010-03-03 武汉钢铁(集团)公司 Monitoring system of electro-mechanic equipment
CN201583828U (en) * 2010-01-29 2010-09-15 北京信息科技大学 Embedded electromechanical device state monitoring and fault diagnosis system
CN102121967A (en) * 2010-11-20 2011-07-13 太原理工大学 Diagnostor for predicting operation state of three-phase rotating electromechanical equipment in time
CN102680023A (en) * 2012-05-24 2012-09-19 哈尔滨电机厂有限责任公司 Portable multifunctional motor test detecting and analyzing instrument
CN202794467U (en) * 2012-09-06 2013-03-13 李斌斌 Motor test system
CN103575334A (en) * 2013-11-08 2014-02-12 苏州康开电气有限公司 Electromechanical device intelligent analysis system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201417174Y (en) * 2009-06-19 2010-03-03 武汉钢铁(集团)公司 Monitoring system of electro-mechanic equipment
CN201583828U (en) * 2010-01-29 2010-09-15 北京信息科技大学 Embedded electromechanical device state monitoring and fault diagnosis system
CN102121967A (en) * 2010-11-20 2011-07-13 太原理工大学 Diagnostor for predicting operation state of three-phase rotating electromechanical equipment in time
CN102680023A (en) * 2012-05-24 2012-09-19 哈尔滨电机厂有限责任公司 Portable multifunctional motor test detecting and analyzing instrument
CN202794467U (en) * 2012-09-06 2013-03-13 李斌斌 Motor test system
CN103575334A (en) * 2013-11-08 2014-02-12 苏州康开电气有限公司 Electromechanical device intelligent analysis system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109141512A (en) * 2018-10-27 2019-01-04 徐州巨业机械制造有限公司 A kind of test macro of mechanical equipment

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Application publication date: 20170524