CN107525603A - Temperature monitoring system - Google Patents
Temperature monitoring system Download PDFInfo
- Publication number
- CN107525603A CN107525603A CN201710953039.9A CN201710953039A CN107525603A CN 107525603 A CN107525603 A CN 107525603A CN 201710953039 A CN201710953039 A CN 201710953039A CN 107525603 A CN107525603 A CN 107525603A
- Authority
- CN
- China
- Prior art keywords
- temperature
- monitoring system
- brush
- temperature monitoring
- acquisition unit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000010897 surface acoustic wave method Methods 0.000 claims description 2
- 238000013500 data storage Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
- G01K11/26—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
- G01K11/265—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies using surface acoustic wave [SAW]
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Temperature monitoring system belongs to temperature monitoring technique field, more particularly to a kind of temperature monitoring system.The present invention provides a kind of temperature monitoring system that can uninterruptedly monitor brush and brush carrier running temperature.The present invention includes brush and brush carrier, temperature sensor is provided with its structural feature brush and brush carrier, temperature sensor carries out radio communication with data acquisition unit, the temperature measurement data output port of data acquisition unit is connected with the temperature measurement data input port of controller, and the display signal output port of controller is connected with the display signal input port of display terminal.
Description
Technical field
The invention belongs to temperature monitoring technique field, more particularly to a kind of temperature monitoring system.
Background technology
The life of electric power and people are closely bound up, and the safety and steady operation in thermal power plant directly affects the residence in a city
The people and all trades and professions.Generator excited system is the core component of electric power conduction, and its safety and steady operation is whole generator
The premise of safety and steady operation.
Generating set security incident comes from brush and brush carrier in excitation convergence system more.By taking thermal power generation unit as an example,
In normal operation, collector ring long term wear, surface produces defect, and with defect getting worse, brush consumption increases, seriously
When produce phenomenon of arc discharge.Collector ring rotating speed is 3000r/min, and under high rotating speed environment, collector ring damage is accelerated, and brush temperature is drastically
Rise, Arcing phenomenon takes place frequently, under brush holder subnormal ambient, if there is fluid leakage that fire, electric current or brush peace easily occurs
Total travel whether in place, bounce the problems such as can also cause security incident.
At present, brush running situation is recorded by the daily Timing measurement of technical staff.Due to failing to monitor in real time, for brush
Temperature rise, electric current or brush safety travel whether in place, bounce etc. accident can not react in time, cause the hair of security incident
It is raw.
The content of the invention
The present invention is aiming above mentioned problem, there is provided a kind of uninterruptedly to monitor brush and the temperature prison of brush carrier running temperature
Examining system.
To achieve the above object, the present invention adopts the following technical scheme that, the present invention includes brush and brush carrier, its structural feature
Temperature sensor is provided with brush and brush carrier, temperature sensor carries out radio communication with data acquisition unit, data acquisition unit
Temperature measurement data output port is connected with the temperature measurement data input port of controller, display signal output port and the display of controller
The display signal input port of terminal is connected.
As a kind of preferred scheme, data acquisition unit of the present invention uses WD-N type data acquisition units.
As another preferred scheme, controller of the present invention uses PLC or DCS.
As another preferred scheme, the temperature measurement data receiving port of data acquisition unit of the present invention passes through communication cable
It is connected with antenna.
As another preferred scheme, the temperature measurement data output port of data acquisition unit of the present invention passes through communication cable
It is connected with the temperature measurement data input port of RS485 Interface and Controler, the display signal output port of controller is by communicating electricity
Cable and RS485 interfaces are connected with the display signal input port of display terminal.
As another preferred scheme, display terminal of the present invention uses PWS-1710-24 type display terminals.
As another preferred scheme, temperature sensor of the present invention is carried out wireless with data acquisition unit by electromagnetic wave
Communication.
As another preferred scheme, the horizontal stripe shape that longitudinal section is arc is provided with the middle part of brush carrier front end face of the present invention
Groove, the temperature sensor the inner being arranged on brush carrier is the arc convex portion corresponding with groove.
Secondly, the temperature sensor on brush of the present invention is square ring, is enclosed on the outside of the upper end of brush.
In addition, temperature sensor of the present invention uses SAW Temperature Sensors.
Beneficial effect of the present invention.
Present invention can apply to the brush on generator and motor and electromechanical equipment and brush carrier remote monitoring, collects data
Information.
The present invention solves the problems, such as the safety monitoring of excitation system, round-the-clock uninterrupted monitoring in 24 hours, ensures unit peace
Full even running.Corresponding early-warning parameterses can be set on controller, when more than early warning value, automatic alarm, being carried to the equipment of operation
Preceding early warning, it is ensured that generating set brush and brush carrier are stable.
Brief description of the drawings
The present invention will be further described with reference to the accompanying drawings and detailed description.The scope of the present invention not only limits to
In the statement of herein below.
Fig. 1 is schematic block circuit diagram of the present invention.
Fig. 2 is temperature sensor mounting structure schematic diagram of the present invention.
Fig. 3 is Fig. 2 A-A sectional views.
In Fig. 2,3,1 it is brush, 2 is temperature sensor, 3 is brush carrier, 4 is groove, 5 is lug boss.
Embodiment
As illustrated, the present invention includes brush and brush carrier, temperature sensor, temperature sensor are provided with brush and brush carrier
Radio communication, the temperature measurement data output port of data acquisition unit and the temperature measurement data input of controller are carried out with data acquisition unit
Mouth is connected, and the display signal output port of controller is connected with the display signal input port of display terminal.
The data acquisition unit uses WD-N type data acquisition units.
The controller uses PLC or DCS.
The temperature measurement data receiving port of the data acquisition unit is connected by communication cable with antenna.
The temperature measurement data output port of the data acquisition unit passes through communication cable and the thermometric of RS485 Interface and Controler
Data-in port is connected, and the display signal output port of controller passes through communication cable and RS485 interfaces and display terminal
Display signal input port is connected.
The display terminal uses PWS-1710-24 type display terminals.
The temperature sensor carries out radio communication with data acquisition unit by electromagnetic wave.
The horizontal strip groove that longitudinal section is arc is provided with the middle part of the brush carrier front end face, the temperature being arranged on brush carrier passes
Sensor the inner is the arc convex portion corresponding with groove.The connected mode coordinated using groove and arc convex portion, can be effective
Stability and accuracy of detection that temperature sensor is set are improved, improves the stability and reliability of device work.
Temperature sensor on the brush is square ring, is enclosed on the outside of the upper end of brush；Temperature biography can be effectively improved
The stability of sensor setting, the convenience and accuracy of detection of connection, improve the stability and reliability of device work.
The temperature sensor uses SAW Temperature Sensors.SAW Temperature Sensors work is simple and reliable,
It is easy to maintenance.Temperature monitoring frequency can be set as needed, and such as once per second monitoring temperature simultaneously transmits data.According to circumstances set
Still state of the mind circle temperature value, such as 80 degrees Celsius, when measuring temperature and being higher than warning value, then monitor terminal is alarmed.Multistage report can also be used
It is alert, some level of temperature warning values are set, measure that temperature is higher more than warning value rank, and alert levels are higher, excellent to remind
First processing sequence.
SAW Temperature Sensors can use China Patent No. for 2012104632016 surface acoustic wave TEMP
Device.
Illustrate the course of work of the present invention below in conjunction with the accompanying drawings.
Temperature sensor on brush carrier and brush measures the running temperature data of brush carrier and brush in real time；Data acquisition unit will
Temperature sensor data measured is converted to data signal and transmits a signal to remote controllers；The signal that controller will receive
Man-machine visual interface is converted to, and is monitored comparison, is alarmed when signal value exceedes the warning value of setting, prompting processing
Brush holder alarm point.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent substitution, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (10)
1. temperature monitoring system, including brush and brush carrier, it is characterised in that temperature sensor, temperature are provided with brush and brush carrier
Sensor carries out radio communication, the temperature measurement data output port of data acquisition unit and the temperature measurement data of controller with data acquisition unit
Input port is connected, and the display signal output port of controller is connected with the display signal input port of display terminal.
2. temperature monitoring system according to claim 1, it is characterised in that the data acquisition unit is adopted using WD-N type data
Storage.
3. temperature monitoring system according to claim 1, it is characterised in that the controller uses PLC or DCS.
4. temperature monitoring system according to claim 1, it is characterised in that the temperature measurement data receiving terminal of the data acquisition unit
Mouth is connected by communication cable with antenna.
5. temperature monitoring system according to claim 1, it is characterised in that the temperature measurement data output end of the data acquisition unit
Mouth is connected by communication cable with the temperature measurement data input port of RS485 Interface and Controler, the display signal output of controller
Port is connected by communication cable and RS485 interfaces with the display signal input port of display terminal.
6. temperature monitoring system according to claim 1, it is characterised in that the display terminal is shown using PWS-1710-24 types
Show terminal.
7. temperature monitoring system according to claim 1, it is characterised in that the temperature sensor passes through with data acquisition unit
Electromagnetic wave carries out radio communication.
8. temperature monitoring system according to claim 1, it is characterised in that be provided with longitudinal section in the middle part of the brush carrier front end face
For the horizontal strip groove of arc, the temperature sensor the inner being arranged on brush carrier is the arc convex portion corresponding with groove.
9. temperature monitoring system according to claim 1, it is characterised in that the temperature sensor on the brush is Q-RING
Shape, it is enclosed on the outside of the upper end of brush.
10. temperature monitoring system according to claim 1, it is characterised in that the temperature sensor uses surface acoustic wave temperature
Sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953039.9A CN107525603A (en) | 2017-10-13 | 2017-10-13 | Temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953039.9A CN107525603A (en) | 2017-10-13 | 2017-10-13 | Temperature monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525603A true CN107525603A (en) | 2017-12-29 |
Family
ID=60685091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710953039.9A Pending CN107525603A (en) | 2017-10-13 | 2017-10-13 | Temperature monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107525603A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484875A (en) * | 2020-11-18 | 2021-03-12 | 杭州电子科技大学 | Temperature measuring system of motor controller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008148583A1 (en) * | 2007-06-07 | 2008-12-11 | Pantrac Gmbh | Method and diagnosis system for monitoring a slip ring system in electric machines |
| EP2642642A2 (en) * | 2012-03-23 | 2013-09-25 | General Electric Company | Electrical brush holder apparatus and related monitoring system |
| US20140125206A1 (en) * | 2012-11-05 | 2014-05-08 | General Electric Company | Apparatus, brush holder and system for monitoring brush wear |
| CN105322405A (en) * | 2014-06-10 | 2016-02-10 | 通用电气公司 | Brush holder apparatus and system |
| CN105333807A (en) * | 2015-11-20 | 2016-02-17 | 中国华能集团清洁能源技术研究院有限公司 | Generator monitoring system |
| CN205748480U (en) * | 2016-06-15 | 2016-11-30 | 湖南省湘电试验研究院有限公司 | A kind of generator carbon brush electric current and on-line temperature monitoring and prior-warning device |
-
2017
- 2017-10-13 CN CN201710953039.9A patent/CN107525603A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008148583A1 (en) * | 2007-06-07 | 2008-12-11 | Pantrac Gmbh | Method and diagnosis system for monitoring a slip ring system in electric machines |
| EP2642642A2 (en) * | 2012-03-23 | 2013-09-25 | General Electric Company | Electrical brush holder apparatus and related monitoring system |
| US20140125206A1 (en) * | 2012-11-05 | 2014-05-08 | General Electric Company | Apparatus, brush holder and system for monitoring brush wear |
| CN105322405A (en) * | 2014-06-10 | 2016-02-10 | 通用电气公司 | Brush holder apparatus and system |
| CN105333807A (en) * | 2015-11-20 | 2016-02-17 | 中国华能集团清洁能源技术研究院有限公司 | Generator monitoring system |
| CN205748480U (en) * | 2016-06-15 | 2016-11-30 | 湖南省湘电试验研究院有限公司 | A kind of generator carbon brush electric current and on-line temperature monitoring and prior-warning device |
Non-Patent Citations (1)
| Title |
|---|
| 高敏等: "声表面波测温技术在风电场中的应用", 华电技术, vol. 37, no. 7, pages 68 - 70 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484875A (en) * | 2020-11-18 | 2021-03-12 | 杭州电子科技大学 | Temperature measuring system of motor controller |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |