CN109443561A - A kind of Diagnostic system of motor fault and its diagnostic method based on temperature signal analysis - Google Patents
A kind of Diagnostic system of motor fault and its diagnostic method based on temperature signal analysis Download PDFInfo
- Publication number
- CN109443561A CN109443561A CN201811412870.4A CN201811412870A CN109443561A CN 109443561 A CN109443561 A CN 109443561A CN 201811412870 A CN201811412870 A CN 201811412870A CN 109443561 A CN109443561 A CN 109443561A
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- unit
- temperature
- alarm
- motor
- diagnostic system
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/028—Means for indicating or recording specially adapted for thermometers arrangements for numerical indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The present invention provides a kind of Diagnostic system of motor fault based on temperature signal analysis, the Diagnostic system of motor fault includes the first temperature sensor, second temperature sensor, A/D converting unit, control processing unit, storage unit, display unit, key-press input unit, alarm unit and communication unit；The Diagnostic system of motor fault according to the temperature information of acquisition judge the motor whether working environment abnormal, whether working condition abnormal, alarm can be issued in time when occurring abnormal, and monitoring center is uploaded to by the communication unit.The present invention provides a kind of Diagnostic system of motor fault and diagnostic method based on temperature signal analysis, simply and effectively judges whether motor work is normal, improves the functional reliability of motor.
Description
Technical field
The invention belongs to technical field of electric power detection, in particular to a kind of Diagnosing Faults of Electrical based on temperature signal analysis
System and its diagnostic method.
Background technique
With the continuous development of science and technology, industrial production is also being constantly progressive, and motor is more as using in industrial production
Often there are various failures because of various influences, can not only make motor in actual moving process in power equipment
Itself is impaired, or even also will cause the heavy losses such as halt production.It is all manually to motor significant points temperature in traditional industry production
It is acquired, judges motor with the presence or absence of failure.The present invention proposes a kind of Diagnosing Faults of Electrical system based on temperature signal analysis
System, traditional manual measurement is replaced using temperature sensor, and combination processing device carries out temperature analysis, simply and effectively judges motor
It whether normal works, and in time uploads fault message, effectively improve the reliability of motor.
Summary of the invention
The present invention provides a kind of Diagnostic system of motor fault and diagnostic method based on temperature signal analysis, simply and effectively
Judge whether motor work is normal, improves the functional reliability of motor.
The present invention is specially a kind of Diagnostic system of motor fault based on temperature signal analysis, the Diagnosing Faults of Electrical system
System includes the first temperature sensor, second temperature sensor, A/D converting unit, control processing unit, storage unit, display list
Member, key-press input unit, alarm unit and communication unit, first temperature sensor, first temperature sensor difference
Be connected with the A/D converting unit, the control processing unit respectively with the A/D converting unit, the storage unit, institute
Display unit, the key-press input unit, the alarm unit, the communication unit is stated to be connected；The Diagnosing Faults of Electrical
System according to the temperature information of acquisition judge the motor whether working environment abnormal, whether working condition abnormal, work as appearance
Alarm can be issued when abnormal in time, and monitoring center is uploaded to by the communication unit.
First temperature sensor is tightly attached at the electric machine stator iron, acquires the electric machine stator iron temperature；
The second temperature sensor acquires ambient temperature information.
The key-press input unit carries out parameter setting, information inquiry, institute in conjunction with the storage unit, the display unit
Stating parameter includes iron core temperature alarming value, iron core temperature change critical value, environment temperature alarming value；The display unit uses liquid
Crystal display is able to carry out realtime curve, warning message is shown.
The alarm unit uses combined aural and visual alarm, and sound-light alarm information is issued when the motor occurs abnormal.
Relevant information is transmitted to the monitoring center using the GPRS communication technology by the communication unit, helps monitoring personnel
Real-time monitoring is carried out to the electric machine operation state, can be taken appropriate measures in time when the motor is abnormal；Institute
The remotely located of the parameter can also be completed by stating communication unit.
The present invention also provides a kind of diagnostic method of Diagnostic system of motor fault based on temperature signal analysis, the diagnosis
Method includes the following steps:
Step (1): the electric machine stator iron temperature information and ambient temperature information are acquired；
Step (2): A/D conversion is carried out by the A/D converting unit and inputs the control processing unit；
Step (3): the ambient temperature information is compared with the environment temperature alarming value, if more than the environment
Temperature alarming value issues sound-light alarm by the alarm unit, carries out environment temperature abnormal alarm by the display unit
It has been shown that, if being not more than, enters step (4)；
Step (4): the iron core temperature information is compared with the iron core temperature alarming value, if more than the iron core
Temperature alarming value issues sound-light alarm by the alarm unit, carries out the alarm of iron core temperature anomaly by the display unit
It has been shown that, if being not more than, enters step (5)；
Step (5): the iron core temperature information and previous moment iron core temperature information are done into difference, judge that the difference is
It is no to be greater than the iron core temperature change critical value, if more than issuing sound-light alarm by the alarm unit, passing through the display
Unit carries out iron core temperature change abnormal alarm and shows that enter step (6), if being not more than, return step (1) is continued to test；
Step (6): information is uploaded to by the monitoring center by the communication unit.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the Diagnostic system of motor fault based on temperature signal analysis of the present invention.
Fig. 2 is a kind of Diagnostic system of motor fault diagnostic method flow chart based on temperature signal analysis of the present invention.
Specific embodiment
The specific implementation of the Diagnostic system of motor fault based on temperature signal analysis a kind of to the present invention with reference to the accompanying drawing
Mode elaborates.
As shown in Figure 1, Diagnostic system of motor fault of the invention include the first temperature sensor, second temperature sensor,
A/D converting unit, control processing unit, storage unit, display unit, key-press input unit, alarm unit and communication unit, institute
State the first temperature sensor, first temperature sensor is connected with the A/D converting unit respectively, the control processing list
Member is single with the A/D converting unit, the storage unit, the display unit, the key-press input unit, the alarm respectively
First, the described communication unit is connected；The Diagnostic system of motor fault judges the work of the motor according to the temperature information of acquisition
Making environment, whether abnormal, working condition is abnormal, can issue alarm in time when occurring abnormal, and pass through the communication unit
Member is uploaded to monitoring center.
First temperature sensor is tightly attached at the electric machine stator iron, acquires the electric machine stator iron temperature；
The second temperature sensor acquires ambient temperature information.
The key-press input unit carries out parameter setting, information inquiry, institute in conjunction with the storage unit, the display unit
Stating parameter includes iron core temperature alarming value, iron core temperature change critical value, environment temperature alarming value；The display unit uses liquid
Crystal display is able to carry out realtime curve, warning message is shown.
The alarm unit uses combined aural and visual alarm, and sound-light alarm information is issued when the motor occurs abnormal.
Relevant information is transmitted to the monitoring center using the GPRS communication technology by the communication unit, helps monitoring personnel
Real-time monitoring is carried out to the electric machine operation state, can be taken appropriate measures in time when the motor is abnormal；Institute
The remotely located of the parameter can also be completed by stating communication unit.
As shown in Fig. 2, the present invention also provides a kind of diagnosis sides of Diagnostic system of motor fault based on temperature signal analysis
Method, the diagnostic method include the following steps:
Step (1): the electric machine stator iron temperature information and ambient temperature information are acquired；
Step (2): A/D conversion is carried out by the A/D converting unit and inputs the control processing unit；
Step (3): the ambient temperature information is compared with the environment temperature alarming value, if more than the environment
Temperature alarming value issues sound-light alarm by the alarm unit, carries out environment temperature abnormal alarm by the display unit
It has been shown that, if being not more than, enters step (4)；
Step (4): the iron core temperature information is compared with the iron core temperature alarming value, if more than the iron core
Temperature alarming value issues sound-light alarm by the alarm unit, carries out the alarm of iron core temperature anomaly by the display unit
It has been shown that, if being not more than, enters step (5)；
Step (5): the iron core temperature information and previous moment iron core temperature information are done into difference, judge that the difference is
It is no to be greater than the iron core temperature change critical value, if more than issuing sound-light alarm by the alarm unit, passing through the display
Unit carries out iron core temperature change abnormal alarm and shows that enter step (6), if being not more than, return step (1) is continued to test；
Step (6): information is uploaded to by the monitoring center by the communication unit.
Finally it should be noted that only illustrating technical solution of the present invention rather than its limitations in conjunction with above-described embodiment.Institute
The those of ordinary skill in category field is it is to be understood that those skilled in the art can repair a specific embodiment of the invention
Change or equivalent replacement, but these modifications or change are being applied among pending claims.
Claims (6)
1. a kind of Diagnostic system of motor fault based on temperature signal analysis, which is characterized in that the Diagnostic system of motor fault
Including the first temperature sensor, second temperature sensor, A/D converting unit, control processing unit, storage unit, display unit,
Key-press input unit, alarm unit and communication unit, first temperature sensor, first temperature sensor respectively with institute
A/D converting unit is stated to be connected, the control processing unit respectively with the A/D converting unit, storage unit, described aobvious
Show that unit, the key-press input unit, the alarm unit, the communication unit are connected；The Diagnostic system of motor fault
According to the temperature information of acquisition judge the motor whether working environment abnormal, whether working condition abnormal, it is abnormal when occurring
When can issue alarm in time, and monitoring center is uploaded to by the communication unit.
2. a kind of Diagnostic system of motor fault based on temperature signal analysis according to claim 1, which is characterized in that institute
It states the first temperature sensor to be tightly attached at the electric machine stator iron, acquires the electric machine stator iron temperature；Second temperature
It spends sensor and acquires ambient temperature information.
3. a kind of Diagnostic system of motor fault based on temperature signal analysis according to claim 2, which is characterized in that institute
It states key-press input unit and carries out parameter setting, information inquiry in conjunction with the storage unit, the display unit, the parameter includes
Iron core temperature alarming value, iron core temperature change critical value, environment temperature alarming value；The display unit uses liquid crystal display,
It is able to carry out realtime curve, warning message is shown.
4. a kind of Diagnostic system of motor fault based on temperature signal analysis according to claim 3, which is characterized in that institute
Alarm unit is stated using combined aural and visual alarm, sound-light alarm information is issued when the motor occurs abnormal.
5. a kind of Diagnostic system of motor fault based on temperature signal analysis according to claim 4, which is characterized in that institute
It states communication unit and relevant information is transmitted to by the monitoring center using the GPRS communication technology, help monitoring personnel to the motor
Working condition carries out real-time monitoring, can take appropriate measures in time when the motor is abnormal；The communication unit
It can also complete the remotely located of the parameter.
6. the diagnosis of the Diagnostic system of motor fault based on temperature signal analysis described in any one of -5 according to claim 1
Method, which is characterized in that the diagnostic method includes the following steps:
Step (1): the electric machine stator iron temperature information and ambient temperature information are acquired；
Step (2): A/D conversion is carried out by the A/D converting unit and inputs the control processing unit；
Step (3): the ambient temperature information is compared with the environment temperature alarming value, if more than the environment temperature
Alarming value, by the alarm unit issue sound-light alarm, by the display unit progress environment temperature abnormal alarm show,
If being not more than, (4) are entered step；
Step (4): the iron core temperature information is compared with the iron core temperature alarming value, if more than the iron core temperature
Alarming value issues sound-light alarm by the alarm unit, carries out the alarm indication of iron core temperature anomaly by the display unit,
If being not more than, (5) are entered step；
Step (5): the iron core temperature information and previous moment iron core temperature information are done into difference, judge whether the difference is big
In the iron core temperature change critical value, if more than issuing sound-light alarm by the alarm unit, passing through the display unit
It carries out iron core temperature change abnormal alarm and shows that enter step (6), if being not more than, return step (1) is continued to test；
Step (6): information is uploaded to by the monitoring center by the communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412870.4A CN109443561A (en) | 2018-11-23 | 2018-11-23 | A kind of Diagnostic system of motor fault and its diagnostic method based on temperature signal analysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412870.4A CN109443561A (en) | 2018-11-23 | 2018-11-23 | A kind of Diagnostic system of motor fault and its diagnostic method based on temperature signal analysis |
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| CN109443561A true CN109443561A (en) | 2019-03-08 |
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| CN201811412870.4A Pending CN109443561A (en) | 2018-11-23 | 2018-11-23 | A kind of Diagnostic system of motor fault and its diagnostic method based on temperature signal analysis |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052968A (en) * | 2019-04-16 | 2019-07-26 | 盐城乐砂抛丸设备有限公司 | Shot-blasting machine instrument operating condition monitoring method |
| CN110579657A (en) * | 2019-07-11 | 2019-12-17 | 国网江苏省电力有限公司徐州供电分公司 | Transformer fault detection system based on vibration signal analysis and detection method thereof |
| CN110631738A (en) * | 2019-10-18 | 2019-12-31 | 国网江苏省电力有限公司盐城供电分公司 | Power transformer temperature detection system based on inductive power supply and detection method thereof |
| CN110726539A (en) * | 2019-09-27 | 2020-01-24 | 国网江苏省电力有限公司盐城供电分公司 | Transformer tap switch mechanical fault detection system based on multiple signal analysis and detection method thereof |
| CN110908307A (en) * | 2019-11-01 | 2020-03-24 | 国网江苏省电力有限公司盐城供电分公司 | Power equipment temperature monitoring system and monitoring method thereof |
| CN112345102A (en) * | 2020-10-19 | 2021-02-09 | 河南中烟工业有限责任公司 | Method for relieving overhigh temperature of motor |
-
2018
- 2018-11-23 CN CN201811412870.4A patent/CN109443561A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052968A (en) * | 2019-04-16 | 2019-07-26 | 盐城乐砂抛丸设备有限公司 | Shot-blasting machine instrument operating condition monitoring method |
| CN110579657A (en) * | 2019-07-11 | 2019-12-17 | 国网江苏省电力有限公司徐州供电分公司 | Transformer fault detection system based on vibration signal analysis and detection method thereof |
| CN110726539A (en) * | 2019-09-27 | 2020-01-24 | 国网江苏省电力有限公司盐城供电分公司 | Transformer tap switch mechanical fault detection system based on multiple signal analysis and detection method thereof |
| CN110631738A (en) * | 2019-10-18 | 2019-12-31 | 国网江苏省电力有限公司盐城供电分公司 | Power transformer temperature detection system based on inductive power supply and detection method thereof |
| CN110908307A (en) * | 2019-11-01 | 2020-03-24 | 国网江苏省电力有限公司盐城供电分公司 | Power equipment temperature monitoring system and monitoring method thereof |
| CN112345102A (en) * | 2020-10-19 | 2021-02-09 | 河南中烟工业有限责任公司 | Method for relieving overhigh temperature of motor |
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