CN105958736A - Device used for monitoring motor - Google Patents
Device used for monitoring motor Download PDFInfo
- Publication number
- CN105958736A CN105958736A CN201610357684.XA CN201610357684A CN105958736A CN 105958736 A CN105958736 A CN 105958736A CN 201610357684 A CN201610357684 A CN 201610357684A CN 105958736 A CN105958736 A CN 105958736A
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- China
- Prior art keywords
- motor
- card
- microprocessor
- sensor
- current
- Prior art date
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000009194 climbing Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/30—Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Clocks (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a device used for monitoring a motor and belongs to the measurement technology field. The device comprises a sensor used for detecting a current magnitude of a motor, a micro processor used for determining a state of the motor according to the current magnitude of the motor, a real-time clock chip used for carrying out timing for the micro processor, and an IC card used for recording each time of the motor, wherein the micro processor is separately electrically connected with the sensor, the real-time clock chip and the IC card, and the IC card is provided with a short-distance wireless communication interface. According to the device, the current magnitude of the motor is detected, the current magnitude of the motor detected by the sensor and the present time provided by the real-time clock chip are recorded by the micro processor on the IC card, a state of the motor is determined by the micro processor and is recorded in the IC card, the data recorded in the IC card can be acquired by an operator carrying hand-held equipment through the short-distance wireless communication technology, the motor can be inspected by an inspector without climbing and hole crossing to the side of the motor, and work intensity of the inspector is greatly reduced.
Description
Technical field
The present invention relates to field of measuring technique, particularly to a kind of device monitoring motor.
Background technology
In the field such as oil, chemical industry, motor usage amount is huge, particularly being widely used of AC induction motor.
AC induction motor is the electric drive that a kind of electric energy is converted into mechanical energy, and it is mainly by stator, rotor
With the air gap between them is constituted.The running of AC induction motor is, stator winding is led to three and intersects
After stream power supply, produce rotating excitation field cutting rotor, it is thus achieved that torque.
Motor is typically distributed across outdoor, plateau, underground etc., starts according to control flow year in year out and stops
Only run.In order to ensure motor safety, normally run, it is the most all, by patrolman, motor is carried out height
The inspection of frequency ground, to find faulty motor in time.
During realizing the present invention, inventor finds that prior art at least there is problems in that
Inspection needs patrolman to climb, by motor of getting into the cave, working condition is severe, and labor intensity is big, patrols
The work looking into personnel is the most arduous.
Summary of the invention
In order to solve the problem that prior art causes the work of patrolman to work hard very much, the embodiment of the present invention carries
Supply a kind of device monitoring motor.Described technical scheme is as follows:
Embodiments providing a kind of device monitoring motor, described device includes for detecting described electricity
The sensor of the size of current of machine, for determining the state of described motor according to the size of current of described motor
Microprocessor, for for the real-time timepiece chip of described microprocessor timing, be used for recording described motor each
The integrated circuit IC-card of the state in moment, described microprocessor respectively with described sensor, described real-time clock
Chip, described IC-card electrically connect, and described IC-card is provided with near field communication interface.
Alternatively, described sensor is Hall element or current transformer, and described Hall element is arranged on
In the magnetic field that described motor produces, described current transformer electrically connects with described motor.
Alternatively, the quantity of described sensor is multiple.
Preferably, described device also includes and described sensor amplifying circuit one to one, described amplification electricity
Road is connected between described sensor and the described microprocessor of correspondence.
Further, described device also includes and described amplifying circuit analog-digital converter one to one, described
Analog-digital converter is connected between described amplifying circuit and the described microprocessor of correspondence.
Preferably, in described analog-digital converter is integrated in described microprocessor.
Alternatively, described device also includes for sending fault message when the state of described motor is fault
Communication module, described communication module electrically connects with described microprocessor.
Alternatively, described microprocessor is provided with download program interface.
Alternatively, described device also includes that power supply, described power supply electrically connect with described microprocessor.
Preferably, described device also includes box body, described microprocessor, described real-time timepiece chip, described
IC-card is arranged in described box body, and described box body is provided with for connecting described sensor and described power supply
Terminal.
The technical scheme that the embodiment of the present invention provides has the benefit that
By the size of current of sensor detection motor, the current of electric size that sensor is detected by microprocessor
Corresponding and record in IC-card with the current time that real-time timepiece chip provides, microprocessor judges motor simultaneously
State (normal start and stop, fault) and the state of motor is recorded the most in the lump in IC-card, staff takes
Pass through the short distance wireless communication technology with handheld device and can get the data of record from IC-card, it is to avoid patrol
Look into and by personnel's climbing, motor of getting into the cave, motor is patrolled, greatly reduce the working strength of patrolman.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of device monitoring motor that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Embodiment
Embodiments provide a kind of device monitoring motor, be particularly suitable for monitoring petrochemical field and extensively should
AC induction motor.Seeing Fig. 1, this device includes the sensor of the size of current for detecting motor
10, for determining the microprocessor 20 of the state of motor according to the size of current of motor, for for microprocessor
The real-time timepiece chip 30 of 20 timing, for recording the integrated circuit (Integrated of the state in each moment of motor
Circuit, be called for short IC) block 40, microprocessor 20 respectively with sensor 10, real-time timepiece chip 30, IC
Card 40 electrical connection, IC-card 40 is provided with near field communication interface (not shown).
The most first combine Fig. 1 and simply introduce the operation principle of device of the monitoring motor that the present invention provides:
Sensor 10 detects the size of current of motor and is transferred to microprocessor 20, and microprocessor 20 will sensing
The current of electric size of device 10 detection is corresponding with the current time that real-time timepiece chip 30 provides and records at IC
In card 40, when the current of electric size that sensor 10 is detected by microprocessor 20 simultaneously and producer provide each
The current range carved compares, it is judged that the state (normal start and stop, fault) of motor by the state of motor also
And record in IC-card 40.Staff carries handheld device can be from by the short distance wireless communication technology
IC-card 40 gets in IC-card 40 data of record, determines the state of motor, with when electrical fault and
Time be replaced.
Specifically, when motor size of current for 0 and producer provide current time current range in time,
Motor is in normal halted state；When the current time electric current that the size of current of motor is non-zero and provides in producer
When scope (such as 2～5A) is interior, motor is in normal operating condition；Carry when the size of current of motor exceedes producer
During the current time current range of confession, motor is in malfunction.
Further, microprocessor 20 can also according to record in IC-card 40 state in each moment of motor,
Determine motor start-stop time and start-stop time and record at IC-card 40.
Specifically, real-time timepiece chip 30 can use SD2400API chip.SD2400API chip is walked
Shi Jingdu is high, low in energy consumption, interior band chargeable lithium cell, can be micro-place for a long time, in real time, incessantly
Reason device provides clock, calendar information, and then the motor status for sampling mixes time labelling.
Specifically, IC-card 40 can use Fudan University's microelectronic FM1216 double-interface card.The double boundary of FM1216
Face card supports ISO14443 interface and ISO7816 interface, and staff is utilized by handheld device closely leads to
Letter technology i.e. can read the data of record in FM1216 double-interface card, can avoid the fiber crops of wiring or plug-in card
Tired.
Alternatively, sensor 10 can be Hall element or current transformer, and Hall element is arranged on electricity
In the magnetic field that machine produces, current transformer electrically connects with motor.Being readily apparent that, Hall element is by detection
The operating current of motor is reflected in the magnetic field that motor coil produces indirectly, therefore Hall element is arranged on electricity
In the magnetic field that machine produces, the trouble of wiring can be avoided；Current transformer directly detects the operating current of electric current,
Therefore current transformer is electrically connected with motor, can be at motor operating fields weak output signal or ambient electromagnetic field
Job stability is improved when disturbing bigger.
Specifically, current transformer can be open-close type transformer or closed type transformer, open-close type transformer
Being set on the electric wire being connected with motor, closed type mutual inductor serial is in the electric wire being connected with motor.
Alternatively, the quantity of sensor 10 can be multiple, can measure each phase of three phase electric machine the most respectively
Size of current (now sensor is current transformer), it is also possible to measure the most respectively multiple motor (three-phase or
Single-phase) size of current, be suitable for various actual demands.It is readily apparent that, if measuring the electric current of motor three-phase
Size, then the accuracy rate of judged result is higher；If measuring the size of current that motor is single-phase, then measure cost relatively
Low.
Preferably, this device can also include and sensor amplifying circuit 50 one to one, amplifying circuit 50
It is connected between sensor 10 and the microprocessor 20 of correspondence, in order to the defeated of sensor differentiated by microprocessor
Go out signal.
Further, this device can also include and amplifying circuit 50 analog-digital converter 60 one to one, mould
Number converter 60 is connected between amplifying circuit 50 and the microprocessor 20 of correspondence, analogue signal to be changed
Direct current signal for microprocessor processes.
In actual applications, between analog-digital converter and microprocessor, it is also provided with current rectifying and wave filtering circuit, with
AC signal is converted to direct current signal.
Preferably, analog-digital converter 60 can be integrated in microprocessor 20, with economy system volume.
Specifically, microprocessor 20 can use STC12C5A60S2.STC12C5A60S2 be at a high speed,
Low-power consumption, superpower jamproof high-performance a new generation 8051 single-chip microcomputers, single clock or machine cycle, instruct generation
Code completely compatible traditional 8051, fast 8～12 times of speed.It is internally integrated Special reset circuit, two-way pulse width
Degree modulation (Pulse Width Modulation is called for short PWM), eight tunnels ten analog digital conversion, strong jamming at a high speed
Occasion designs.
Alternatively, this device could be included for sending the logical of fault message when the state of motor is fault
Letter module 70, communication module 70 electrically connects with microprocessor 20, to realize emergency response.
Alternatively, microprocessor 20 can be provided with download program interface, to change micro-process according to actual needs
Control program in device, as used the mode of different failure judgement.
In actual applications, microprocessor 20 is provided with two serial ports, a serial ports and communication module 70, another
Individual serial ports is designed as download program interface.
Alternatively, this device can also include that power supply 80, power supply 80 electrically connect with microprocessor 20.
Preferably, this device can also include box body 90, microprocessor 20, real-time timepiece chip 30, IC
Card 40 is arranged in box body 90, and box body 90 is provided with for connecting sensor 10 and the terminal of power supply 80,
Can external power supply and the sensor of requirement according to actual needs, it is to avoid cause waste, and reduce box body
Volume and power consumption.
The embodiment of the present invention is by the size of current of sensor detection motor, and sensor is detected by microprocessor
Current of electric size is corresponding with the current time that real-time timepiece chip provides and records in IC-card, the most micro-place
Reason device judges the state (normal start and stop, fault) of motor and the state of motor is recorded the most in the lump in IC-card,
Staff carries handheld device can get the number of record from IC-card by the short distance wireless communication technology
According to, it is to avoid by patrolman's climbing, motor of getting into the cave, motor is patrolled, greatly reduce patrolman
Working strength.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (10)
1. the device monitoring motor, it is characterised in that described device includes for detecting described motor
The sensor of size of current, for determining micro-place of the state of described motor according to the size of current of described motor
Reason device, for for described microprocessor timing real-time timepiece chip, be used for recording each moment of described motor
The integrated circuit IC-card of state, described microprocessor respectively with described sensor, described real-time timepiece chip,
Described IC-card electrically connects, and described IC-card is provided with near field communication interface.
Device the most according to claim 1, it is characterised in that described sensor be Hall element or
Current transformer, described Hall element is arranged in the magnetic field that described motor produces, described current transformer
Electrically connect with described motor.
Device the most according to claim 1 and 2, it is characterised in that the quantity of described sensor is many
Individual.
Device the most according to claim 3, it is characterised in that described device also includes and described sensing
Device amplifying circuit one to one, described amplifying circuit is connected on the described sensor of correspondence and described micro-process
Between device.
Device the most according to claim 4, it is characterised in that described device also includes and described amplification
Circuit analog-digital converter one to one, described analog-digital converter is connected on described amplifying circuit and the institute of correspondence
State between microprocessor.
Device the most according to claim 5, it is characterised in that described analog-digital converter is integrated in described
In microprocessor.
Device the most according to claim 1 and 2, it is characterised in that described device also include for
The communication module of fault message, described communication module and described micro-place is sent when the state of described motor is fault
Reason device electrical connection.
Device the most according to claim 1 and 2, it is characterised in that described microprocessor is provided with program
Download interface.
Device the most according to claim 1 and 2, it is characterised in that described device also includes power supply,
Described power supply electrically connects with described microprocessor.
Device the most according to claim 9, it is characterised in that described device also includes box body, institute
State microprocessor, described real-time timepiece chip, described IC-card are arranged in described box body, on described box body
It is provided with for connecting described sensor and the terminal of described power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357684.XA CN105958736B (en) | 2016-05-26 | 2016-05-26 | A kind of device monitoring motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610357684.XA CN105958736B (en) | 2016-05-26 | 2016-05-26 | A kind of device monitoring motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105958736A true CN105958736A (en) | 2016-09-21 |
| CN105958736B CN105958736B (en) | 2019-10-08 |
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ID=56910766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610357684.XA Expired - Fee Related CN105958736B (en) | 2016-05-26 | 2016-05-26 | A kind of device monitoring motor |
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| Country | Link |
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| CN (1) | CN105958736B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368518A (en) * | 2018-12-20 | 2019-02-22 | 重庆超磐信息科技有限公司 | The anti-dismounting tower crane monitoring system of total failure self-test |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944255Y (en) * | 2006-06-09 | 2007-09-05 | 卞宇伟 | Current cycle checking device for oil field wireless remote sensing pumping unit |
| CN200990523Y (en) * | 2006-12-31 | 2007-12-12 | 长沙众强科技开发有限公司 | Intelligent gas power generator controller |
| CN101924512A (en) * | 2010-09-25 | 2010-12-22 | 同济大学 | Excitation control device of synchronous generator for ships |
| CN202650091U (en) * | 2012-05-15 | 2013-01-02 | 李红松 | Recording instrument for monitoring device operation |
| CN204116562U (en) * | 2014-08-15 | 2015-01-21 | 宋宏明 | A kind of New-type electric machine pick-up unit |
| CN204116447U (en) * | 2014-10-14 | 2015-01-21 | 中国水利水电第三工程局有限公司 | The working current collection of homogeneity of concrete on-line monitoring stirring machine and several road that conducts electricity |
| CN205792062U (en) * | 2016-05-26 | 2016-12-07 | 江汉大学 | A kind of device monitoring motor |
-
2016
- 2016-05-26 CN CN201610357684.XA patent/CN105958736B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200944255Y (en) * | 2006-06-09 | 2007-09-05 | 卞宇伟 | Current cycle checking device for oil field wireless remote sensing pumping unit |
| CN200990523Y (en) * | 2006-12-31 | 2007-12-12 | 长沙众强科技开发有限公司 | Intelligent gas power generator controller |
| CN101924512A (en) * | 2010-09-25 | 2010-12-22 | 同济大学 | Excitation control device of synchronous generator for ships |
| CN202650091U (en) * | 2012-05-15 | 2013-01-02 | 李红松 | Recording instrument for monitoring device operation |
| CN204116562U (en) * | 2014-08-15 | 2015-01-21 | 宋宏明 | A kind of New-type electric machine pick-up unit |
| CN204116447U (en) * | 2014-10-14 | 2015-01-21 | 中国水利水电第三工程局有限公司 | The working current collection of homogeneity of concrete on-line monitoring stirring machine and several road that conducts electricity |
| CN205792062U (en) * | 2016-05-26 | 2016-12-07 | 江汉大学 | A kind of device monitoring motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368518A (en) * | 2018-12-20 | 2019-02-22 | 重庆超磐信息科技有限公司 | The anti-dismounting tower crane monitoring system of total failure self-test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105958736B (en) | 2019-10-08 |
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Granted publication date: 20191008 |