CN104198935B - A kind of dynamic pressure parameter of electric machine monitoring system and the method for monitoring - Google Patents
A kind of dynamic pressure parameter of electric machine monitoring system and the method for monitoring Download PDFInfo
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- CN104198935B CN104198935B CN201410307848.9A CN201410307848A CN104198935B CN 104198935 B CN104198935 B CN 104198935B CN 201410307848 A CN201410307848 A CN 201410307848A CN 104198935 B CN104198935 B CN 104198935B
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Abstract
A kind of dynamic pressure parameter of electric machine monitoring system and the method for monitoring, including parameter testing acquisition module, intelligent control module, dynamic pressure motor power module, data disaply moudle and data memory module；The present invention can carry out real-time testing and display to the running parameter of one or more dynamic pressure motors simultaneously, by being dynamically compared judgement to the dynamic pressure parameter of electric machine, the accurate working condition for judging dynamic pressure motor.And for dynamic pressure motor, either its supply voltage changes or supply frequency changes or active power changes, its electric current will be directly resulted in change, and remaining external interference such as variation of ambient temperature or overload, impact, deformation etc. also can be embodied in the change of electric current, thus to electric current judge can as dynamic pressure motor whether the main decision criteria of normal work.This method have the advantages that automation real-time testing and display, intelligent trouble detection with handling, history data store and inquiry, reliable results and can be unattended.
Description
Technical field
It is particularly a kind of to have automation real the present invention relates to a kind of dynamic pressure parameter of electric machine monitoring system and the method for monitoring
When test and display, intelligent trouble detection and processing, the high accuracy of history data store and query function, high reliability and can nothing
The method of people's dynamic pressure parameter of electric machine monitoring on duty, belongs to dynamic pressure motor observation and control technology field.
Background technology
Dynamic pressure motor is the heart element of high-accuracy mechanical formula inertia type instrument, it be by a high speed rotation rotor with
Atomic small gap is formed between stator air film or liquid film accurately stablizes the position of rotor, it is contactless, rub without rigid body
Worked in the state of wiping, so as to realize the high accuracy of instrument, long time continuous working and long-life requirement, this is for inertia apparatus
The precision and reliability of table play vital effect.
At present, dynamic pressure parameter of electric machine monitoring mainly passes through the power directly connected with dynamic pressure motor, testing current equipment
Detected, general a set of test equipment can only be monitored to the state of a dynamic pressure motor, and need tester
Whether the concern dynamic pressure parameter of electric machine is normal in real time, expends substantial amounts of manpower and materials.The spy such as the long-life of dynamic pressure motor and reliability
Property generally require to carry out long-time energization running-in to examine it, therefore with monitoring in real time, storage and troubleshooting
Dynamic pressure parameter of electric machine monitoring method that can be unattended just seems very necessary.
The content of the invention
The technology of the present invention solves problem：Overcoming the deficiencies in the prior art, there is provided a kind of dynamic pressure parameter of electric machine monitoring system
System and the method for monitoring, many dynamic pressure motors can be carried out simultaneously to monitor in real time and with automatic protection functions.
The present invention technical solution be：
A kind of system of dynamic pressure parameter of electric machine monitoring includes：Parameter testing acquisition module, intelligent control module, dynamic pressure motor
Power module, data disaply moudle, data memory module；
Parameter testing acquisition module connects the output end of multichannel dynamic pressure motor, and gathers the parameter of dynamic pressure motor in real time, and
The parameter of the dynamic pressure motor collected is converted into digital quantity to send to intelligent control module；The dynamic pressure parameter of electric machine includes dynamic
The electric current of Medium-voltage Motor, active power, supply voltage, supply frequency, accumulative conduction time；
The dynamic pressure parameter of electric machine is simultaneously sent to data display by the parameter of intelligent control module real-time reception dynamic pressure motor in real time
Module is shown；Each parameter is compared sentences in real time by intelligent control module with range of parameter values set in advance simultaneously
It is disconnected, the multilevel iudge of the other specification in addition to the electric current of dynamic pressure motor is carried out first, if the parameter of any one dynamic pressure motor
Beyond range of parameter values set in advance, then alarm is to data disaply moudle and carries out electric current for intelligent control module output
Multilevel iudge, otherwise directly carries out the multilevel iudge of electric current；Intelligent control module enters electric current with first threshold set in advance
Row compares, if electric current is not less than first threshold set in advance, then it represents that dynamic pressure motor is normal；If electric current exceedes set in advance
First threshold, intelligent control module exports alarm to data disaply moudle and by electric current and Second Threshold set in advance,
If electric current is not less than Second Threshold, continue monitoring rate compared with otherwise electric current exceedes Second Threshold set in advance, then intelligent control
Module exports alarm and sends the abnormal dynamic pressure motor power of cut-out to data disaply moudle and to dynamic pressure motor power module
The instruction of power supply；The result and failure that intelligent control module judges the dynamic pressure parameter of electric machine of reception, the dynamic pressure parameter of electric machine are moved
Medium-voltage Motor situation is sent to data memory module in real time；
Data memory module receive intelligent control module send the dynamic pressure parameter of electric machine, dynamic pressure parameter of electric machine judged result with
And failure dynamic pressure motor conditions are stored, and the inquiry of historical data is carried out for user；
The parameter and alarm for the dynamic pressure motor that data disaply moudle sends the intelligent control module received are entered
Row display.
A kind of monitoring method based on dynamic pressure parameter of electric machine monitoring system, including step are as follows：
(1) dynamic pressure motor power-up is started；
(2) parameter of collection dynamic pressure motor, and be digital quantity by the Parameter Switch of dynamic pressure motor in real time, described dynamic pressure electricity
Electric current of the parameter of machine including dynamic pressure motor, active power, supply voltage, supply frequency, accumulative conduction time；
(3) parameter to the dynamic pressure motor of digital quantization in step (2) is stored, shown and multilevel iudge, is compared and is sentenced
Disconnected step is as follows：
(3a) carries out the multilevel iudge of the other specification in addition to the electric current of dynamic pressure motor, if any one dynamic pressure motor
Parameter exceeds range of parameter values set in advance, then intelligent control module exports alarm to data disaply moudle and enters step
Suddenly (3b)；
(3b) carries out the electric current of dynamic pressure motor and the multilevel iudge of first threshold, if electric current is not less than set in advance first
Threshold value, then it represents that dynamic pressure motor is normal and enters step (2)；If electric current exceedes first threshold set in advance, alarm is sent
Point out and enter step (3c)；
(3c) carries out the electric current of dynamic pressure motor and the multilevel iudge of Second Threshold, if electric current is not less than Second Threshold, enters
Enter step (2), otherwise electric current exceedes Second Threshold set in advance, then send alarm and the abnormal dynamic pressure motor electricity of cut-out
The power supply in source；
(4) real-time storage and the parameter and judged result of display dynamic pressure motor.
Because for dynamic pressure motor, either its supply voltage changes or supply frequency changes or wattful power
Rate changes, and can all directly result in its electric current and change, and remaining external interference such as variation of ambient temperature or mistake
Just whether load, impact, deformation etc. also can be embodied in the change of electric current, therefore can be as dynamic pressure motor to the judgement of electric current
The main decision criteria often worked.
Parameter multilevel iudge in the step (3) was proceeded by after dynamic pressure electric motor starting certain time.This be because
There is a higher overshoot for electric current in dynamic pressure motor starting process, a timing is needed to stable operating current is finally reached
Between, to avoid needing in dynamic pressure motor the operations such as the test and storage, display of dynamic pressure motor parameters in erroneous judgement, this method
Postpone certain time progress after starting, the occurrence of the time delay is determined in itself by dynamic pressure motor.
The advantage of the present invention compared with prior art is：
(1) the inventive method has automation real-time testing and display function, can realize the work for dynamic pressure motor
State in real time, accurately, comprehensively, reliably monitor, while the inventive method can monitor the work of many dynamic pressure motors simultaneously
Make state, method is simple, and convenient and efficient saves substantial amounts of man power and material's cost.
(2) there is the inventive method intelligent trouble to detect and processing function, supply voltage, the electricity of real-time testing dynamic pressure motor
Source frequency, operating current, active power etc. characterize the parameter of dynamic pressure electric machine operation state, and whether intelligent decision parameter is abnormal, surpasses
The power supply that can be adopted an effective measure when crossing given threshold such as alarm and disengagement failure motor is protected, so that realize can
Unattended function, while having excessively stream disengagement failure dynamic pressure motor power function, the failure of protection failure dynamic pressure motor shows
, so as to improve the security of overall procedure.
(3) the inventive method has history data store and query function, and each dynamic pressure electricity can be seen clearly
The history working condition of machine, supplements unattended data record problem, while the ginseng that the inventive method is judged dynamic pressure motor
Number threshold value can be set manually, and it is simple, portable good to realize.
Brief description of the drawings
Fig. 1 is present system structure chart；
Fig. 2 is the inventive method flow chart.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
A kind of system of dynamic pressure parameter of electric machine monitoring includes as shown in Figure 1：Parameter testing acquisition module, intelligent control mould
Block, dynamic pressure motor power module, data disaply moudle, data memory module；
Parameter testing acquisition module connects the output end of multichannel dynamic pressure motor, and gathers the parameter of dynamic pressure motor in real time, and
The parameter of the dynamic pressure motor collected is converted into digital quantity to send to intelligent control module；The dynamic pressure parameter of electric machine includes dynamic
The electric current of Medium-voltage Motor, active power, supply voltage, supply frequency, accumulative conduction time；
The dynamic pressure parameter of electric machine is simultaneously sent to data display by the parameter of intelligent control module real-time reception dynamic pressure motor in real time
Module is shown；Each parameter is compared sentences in real time by intelligent control module with range of parameter values set in advance simultaneously
It is disconnected, the multilevel iudge of the other specification in addition to the electric current of dynamic pressure motor is carried out first, if the parameter of any one dynamic pressure motor
Beyond range of parameter values set in advance, then alarm is to data disaply moudle and carries out electric current for intelligent control module output
Multilevel iudge, otherwise directly carries out the multilevel iudge of electric current；Intelligent control module enters electric current with first threshold set in advance
Row compares, if electric current is not less than first threshold set in advance, then it represents that dynamic pressure motor is normal；If electric current exceedes set in advance
First threshold, intelligent control module exports alarm to data disaply moudle and by electric current and Second Threshold set in advance,
If electric current is not less than Second Threshold, continue monitoring rate compared with otherwise electric current exceedes Second Threshold set in advance, then intelligent control
Module exports alarm and sends the abnormal dynamic pressure motor power of cut-out to data disaply moudle and to dynamic pressure motor power module
The instruction of power supply；The result and failure that intelligent control module judges the dynamic pressure parameter of electric machine of reception, the dynamic pressure parameter of electric machine are moved
Medium-voltage Motor situation is sent to data memory module in real time；
Data memory module receive intelligent control module send the dynamic pressure parameter of electric machine, dynamic pressure parameter of electric machine judged result with
And failure dynamic pressure motor conditions are stored, and the inquiry of historical data is carried out for user；
The parameter and alarm for the dynamic pressure motor that data disaply moudle sends the intelligent control module received are entered
Row display.
As shown in Fig. 2 a kind of method of the monitoring based on dynamic pressure parameter of electric machine monitoring system of the present invention, including step is such as
Under：
(1) dynamic pressure motor power-up is started；
(2) parameter of collection dynamic pressure motor, and be digital quantity by the Parameter Switch of dynamic pressure motor in real time, described dynamic pressure electricity
Electric current of the parameter of machine including dynamic pressure motor, active power, supply voltage, supply frequency, accumulative conduction time；
(3) parameter to the dynamic pressure motor of digital quantization in step (2) is stored, shown and multilevel iudge, is compared and is sentenced
Disconnected step is as follows：
(3a) carries out the multilevel iudge of the other specification in addition to the electric current of dynamic pressure motor, if any one dynamic pressure motor
Parameter exceeds range of parameter values set in advance, then intelligent control module exports alarm to data disaply moudle and enters step
Suddenly (3b)；
(3b) carries out the electric current of dynamic pressure motor and the multilevel iudge of first threshold, if electric current is not less than set in advance first
Threshold value, then it represents that dynamic pressure motor is normal and enters step (2)；If electric current exceedes first threshold set in advance, alarm is sent
Point out and enter step (3c)；
(3c) carries out the electric current of dynamic pressure motor and the multilevel iudge of Second Threshold, if electric current is not less than Second Threshold, enters
Enter step (2), otherwise electric current exceedes Second Threshold set in advance, then send alarm and the abnormal dynamic pressure motor electricity of cut-out
The power supply in source；
(4) real-time storage and the parameter and judged result of display dynamic pressure motor.
In dynamic pressure parameter of electric machine monitoring system of the present invention, parameter testing acquisition module uses Shenyang Instrument Sciences Academy
Current transducer DLG-J4aD21, voltage transmitter BDYG-J4aD21, power transducer BYGG-J4aDA1 and NI companies
32 road analog acquisition board PCI6259 compositions based on pci bus；Intelligent control module selects the ARK-3440 of Advantech
Embedded IP C industrial computers；Dynamic pressure motor power module be for the special dynamic pressure motor power of dynamic pressure motor, can simultaneously with many
Dynamic pressure motor；Data disaply moudle is made up of FPM-3191G19 cuns of touch LCD screens of Advantech；Data memory module is by work
The 2GDDR2 internal memories and 500G hard disks of control machine are constituted.The method of monitoring based on dynamic pressure parameter of electric machine monitoring system passes through
Labview software programmings are realized.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art, guarantor of the invention
Shield scope is not limited to above-mentioned embodiment, no matter making any change in method or step, as long as according to the base of the present invention
This technology is conceived, and those skilled in the art need not move through creative work, you can the embodiment associated, and belong to the present invention
Protection domain.
Claims (3)
1. a kind of dynamic pressure parameter of electric machine monitoring system, it is characterised in that including：Parameter testing acquisition module, intelligent control module,
Dynamic pressure motor power module, data disaply moudle, data memory module；
Parameter testing acquisition module connects the output end of multichannel dynamic pressure motor, and gathers the parameter of dynamic pressure motor in real time, and will adopt
The parameter of the dynamic pressure motor collected is converted into digital quantity and sent to intelligent control module；The dynamic pressure parameter of electric machine includes dynamic pressure electricity
The electric current of machine, active power, supply voltage, supply frequency, accumulative conduction time；
The dynamic pressure parameter of electric machine is simultaneously sent to data disaply moudle by the parameter of intelligent control module real-time reception dynamic pressure motor in real time
Shown；Each parameter and range of parameter values set in advance are compared judgement by intelligent control module in real time simultaneously, first
The multilevel iudge of the other specification in addition to dynamic pressure current of electric is first carried out, if the parameter of any one dynamic pressure motor is beyond advance
The range of parameter values of setting, then alarm is to data disaply moudle and carries out relatively sentencing for electric current for intelligent control module output
It is disconnected, otherwise directly carry out the multilevel iudge of electric current；Electric current is compared by intelligent control module with first threshold set in advance,
If electric current is not less than first threshold set in advance, then it represents that dynamic pressure motor is normal；If electric current exceedes the first threshold set in advance
Value, intelligent control module output alarm is compared to data disaply moudle and with Second Threshold set in advance electric current
Compared with if electric current is not less than Second Threshold, continuation monitoring rate is compared with otherwise electric current exceedes Second Threshold set in advance, intelligence control
Molding block exports alarm and sends the abnormal dynamic pressure motor electricity of cut-out to dynamic pressure motor power module simultaneously to data disaply moudle
The instruction that source powers；Result and failure that intelligent control module judges the dynamic pressure parameter of electric machine of reception, the dynamic pressure parameter of electric machine
Dynamic pressure motor conditions are sent to data memory module in real time；
Data memory module receives the dynamic pressure parameter of electric machine, dynamic pressure parameter of electric machine judged result and the event that intelligent control module is sent
Barrier dynamic pressure motor conditions are stored, and carry out the inquiry of historical data for user；
The parameter and alarm for the dynamic pressure motor that data disaply moudle sends the intelligent control module received are shown
Show；
Dynamic pressure motor power module is powered to dynamic pressure motor, and receives the abnormal dynamic pressure electricity of the cut-out of intelligent control module transmission
The instruction that electromechanical source is powered, and according to the power supply of the abnormal dynamic pressure motor of instruction cut-out.
2. a kind of monitoring method of the dynamic pressure parameter of electric machine monitoring system based on described in claim 1, it is characterised in that step is such as
Under：
(1) dynamic pressure motor power-up is started；
(2) parameter of collection dynamic pressure motor, and be digital quantity by the Parameter Switch of dynamic pressure motor in real time, described dynamic pressure motor
Electric current of the parameter including dynamic pressure motor, active power, supply voltage, supply frequency, accumulative conduction time；
(3) parameter to the dynamic pressure motor of digital quantization in step (2) is stored, shown and multilevel iudge, multilevel iudge
Step is as follows：
(3a) carries out the multilevel iudge of the other specification in addition to the electric current of dynamic pressure motor, if the parameter of any one dynamic pressure motor
Beyond range of parameter values set in advance, then alarm is to data disaply moudle and enters step for intelligent control module output
(3b)；
(3b) carries out the electric current of dynamic pressure motor and the multilevel iudge of first threshold, if electric current is not less than the first threshold set in advance
Value, then it represents that dynamic pressure motor is normal and enters step (2)；If electric current exceedes first threshold set in advance, send alarm and carry
Show and enter step (3c)；
(3c) carries out the electric current of dynamic pressure motor and the multilevel iudge of Second Threshold, if electric current is not less than Second Threshold, enters step
Suddenly (2), otherwise electric current exceedes Second Threshold set in advance, then sends alarm while cutting off abnormal dynamic pressure motor power
Power supply；
(4) real-time storage and the parameter and judged result of display dynamic pressure motor.
3. the monitoring method according to claim 2 based on dynamic pressure parameter of electric machine monitoring system, it is characterised in that：The step
Suddenly the parameter multilevel iudge in (3) is proceeded by after postponing certain time after dynamic pressure electric motor starting.
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