CN103512670A - A wireless temperature measurement system based on a radio frequency technique - Google Patents
A wireless temperature measurement system based on a radio frequency technique Download PDFInfo
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- CN103512670A CN103512670A CN201210201918.3A CN201210201918A CN103512670A CN 103512670 A CN103512670 A CN 103512670A CN 201210201918 A CN201210201918 A CN 201210201918A CN 103512670 A CN103512670 A CN 103512670A
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Abstract
A wireless temperature measurement system based on a radio frequency technique is a temperature measurement system specially used for temperature measurement of transformer station/power plant switch contacts, knife-brake contacts, bus contacts, cable contacts, transformer housings, etc., in an electric power system. The wireless temperature measurement system based on the radio frequency technique comprises a wireless temperature sensor, a temperature display device, and a temperature monitor alarm system. The wireless temperature sensor is connected with the temperature display device through a wireless network, and transmits a measured temperature to the temperature display device. The temperature display device is connected with the temperature monitor alarm system through a RS 485 bus. The wireless temperature sensor is composed of three parts which are a control unit, wireless data transmission and temperature measurement. The temperature display device is installed in a monitor chamber, and is used for displaying data signals transmitted by the wireless temperature sensor, and uploads the data signals to the temperature monitor alarm system through the bus. The temperature monitor alarm system saves the data signals uploaded by the temperature monitor alarm system in a database, and a temperature change curve of monitored points is displayed in a real-time mode.
Description
Denomination of invention
Wireless temperature measurement system based on radio-frequency technique
Technical field
Patent of the present invention belongs to a kind of temperature survey of contact and temp measuring system of protection such as transformer station/power plant switch contact, disconnecting link contact, bus contact joint, cable junctions, transformer case in electric system that be exclusively used in.
Background technology
Supplying electrical domain, temperature is an important measurement parameter.Traditional temperature survey mode cycle is long, and construction is complicated, and efficiency is low, is not easy to management.While breaking down, expend a large amount of manpower and materials investigations and again lay cable.And monitoring point disperses under some specific occasions, the existence of environment sealing or high pressure, a lot of thermometric modes cannot normally realize surveying work at all, so the wireless transmission of temperature seems more and more important with online remote measurement.
Wireless temperature measurement system based on radio-frequency technique, adopts advanced sensor technology, wireless communication technology, and Computer Control Technology, anti-electromagnetic interference (EMI) design.Can be widely used in temperature survey and the protection of the contacts such as transformer station/power plant switch contact, disconnecting link contact, bus contact joint, cable junctions, transformer case.This product has merged advanced and mature sensing technology and unique advanced wireless communication technique, and perfect in shape and function, simple to operate, has high reliability and security, and isolation thoroughly, cheap, simple installation.
Patent of invention content
The object of this invention is to provide a kind of wireless temperature measurement system based on radio-frequency technique, be exclusively used in temperature survey and the protection of the contact such as transformer station/power plant switch contact, disconnecting link contact, bus contact joint, cable junctions, transformer case in electric system.Wireless temperature measurement system comprises radio temperature sensor, temperature display device, monitoring temperature warning system.
Radio temperature sensor is by control module, and Wireless Data Transmission and temperature survey three parts form.After sensor measurement temperature, temperature data is passed to temperature display device by wireless transmission method.Each radio temperature sensor has unique ID numbering, the infield that need record each sensor while installing and using.Temperature sensor passes to temperature data temperature display device together with No. ID.Sensor is launched the temperature data of Yi Ci monitoring point automatically every certain time interval (can set flexibly), finds that temperature anomaly sends alerting signal immediately.
Temperature display device is arranged on Control Room, is used for the data-signal that display radio temperature sensor sends, and connects by bus, and data-signal is uploaded to monitoring temperature warning system, and the various command of response management software.
The data-signal that monitoring temperature warning system collecting temperature display device is uploaded, in database, make long preservation, show in real time the temperature variation curve of monitoring point, and analyze, once find temperature overheating or steep temperature rise or surpass the temperature alarming value arranging in advance to report to the police immediately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Number in the figure: 1-temperature sensor 2-high temperature heat-conducting glue 3-433M frequency band 4-human-computer interaction interface 5-arranges switch 6-increase switch 7-and reduces switch 8-alerting signal output 9-alarm buzzer 10-relay indicating light 11-alarm lamp 12-remote communication interface 13-Internet network 14-monitoring temperature warning system
Embodiment:
Wireless temperature measurement system based on radio-frequency technique, its embodiment comprises: the collection of temperature signal and transmission, temperature sensor and equipment under test fixing, the demonstration of temperature and the setting of alarm temperature, the processing of temperature alarming, telecommunication processing.
Temperature signal collection and transmission are by temperature sensor (1) and 433M frequency band (3).Radio temperature sensor (1) is by control module, and Wireless Data Transmission and temperature survey three parts form.Temperature survey adopts temperature sensors of high precision chip, its measuring accuracy error ± 0.125 degree.Wireless Data Transmission adopts 433M frequency band (3), and this frequency band is exempted from application, and antijamming capability is strong.Control module adopts low-power consumption microprocessor, guarantees the accurate while of sampling precision, saves the electric weight of battery.
Fixedly being formed by temperature sensor (1) and high temperature heat-conducting glue (2) of temperature sensor and equipment under test.Fixing between temperature sensor (1) and equipment under test is connected and fixed by high temperature heat-conducting glue (2), and its thermal conductivity is good, fixing firm.
The demonstration of temperature and the setting of alarm temperature by human-computer interaction interface (4), switch (5) be set, increase switch (6), reduce switch (7) and form.Human-computer interaction interface (4) shows the real time temperature of the temperature sensor of each numbering successively, switch (5) is set for entering set model, design temperature alarming value, increase switch (6) and reduce switch (7) for increasing or reduce the size of temperature alarming value.
The processing of temperature alarming is comprised of alerting signal output (8), alarm buzzer (9), alarm lamp (11).When temperature display device has detected temperature signal and surpasses temperature alarming value, alerting signal output (8) has alerting signal output, and alarm buzzer (9) has chimes of doom to send, and alarm lamp (11) flash for prompting has alerting signal simultaneously.
Telecommunication is processed and is comprised of remote communication interface (12), Internet network (13), monitoring temperature warning system (14).Temperature display device is connected with monitoring temperature warning system (14) by remote communication interface (12), also can be connected with monitoring temperature warning system (14) by Internet network (13), forms LAN, realizes network service.User can be Control Room or remote work station be monitored the state of each temperature sensor by monitoring temperature warning system (14) on the spot, in database, make long preservation, show in real time the temperature variation curve of monitoring point, and analyze, once find temperature overheating or steep temperature rise or surpass the temperature alarming value arranging in advance to report to the police immediately.
The present invention adopts advanced sensor technology and wireless communication technology.Utilize temperature sensor to realize the function of thermometric, and by adopting the mode of wireless transmission, realize the transmission of temperature signal.
The present invention adopts Computer Control Technology, utilizes human-computer interaction interface to show the real-time measurement values of collecting temperature, utilizes touch-switch, relay output, and the control technologys such as hummer output are processed heat alarm.
The present invention adopts microprocessor low-power consumption treatment technology, in satisfied temperature sampling, in the time of the functions such as radio communication, makes processor in a kind of dormant state, in a kind of super low-power consumption pattern, has saved battery electric quantity, increases the service life.
The present invention adopts computer memory technical, and by Flash memory technology storage correlation parameter, power down is difficult for losing.
The present invention adopts anti-electromagnetic interference (EMI) designing technique, and hardware aspect adopts the micropower communication technology, and emissive power is mW level, can other equipment not produced and be disturbed.Adopt DSSS direct sequence spread spectrum technology, have the strong anti-interception capability of antijamming capability strong, can multiple access communication etc. advantage.Software aspect, has adopted the cryptographic algorithm of AES-128, guarantees reliability and the security of communication.
The present invention adopts computer communication technology, for user provides communication interface convenient expansion, adopts open communication protocol simultaneously, and it is practical wider general.
From economic angle, the present invention has saved as outside or internal electric source, and temperature sensor inside carries high-performance lithium battery, and the theoretical life-span can reach 10 years.
Practicality, the present invention takes the mode of wireless temperature measurement, has solved the problem that common thermometric needs plain conductor signal transmission.Simultaneously can also pass through RS485, network service networking, can be on the spot or operated from a distance, greatly strengthened practicality.
Extensibility, the present invention is reserved warning output contact on hardware, facilitates user to expand.Promulgated by the ministries or commissions of the Central Government and the international standard stipulations of built-in various standards aspect software, as: CDT stipulations, DNP3.0 stipulations IEC870-5-101/102/103/104 stipulations, SC1801 stipulations, Modbus/Jbus (RTU/ASCII/TCP) stipulations, multi-function watt-hour meter stipulations promulgated by the ministries or commissions of the Central Government, CANBus stipulations, LonWorks stipulations etc., configuration is simple.Support the exploitation of various self-defined stipulations, successfully realize comprise various protections, combine from equipment, various straight-flow system, various measure and control device, various FTU the perfection of hundreds of intelligence of TTU connect.Support by various various ports, as serial port, udp port, the data retransmission function of tcp port, built-in CDT, DNP3.0 and IEC870-5-101/104 forward stipulations.And support the interface of various self-defined forwarding stipulations.Extensibility is extremely strong.
Claims (4)
1. the wireless temperature measurement system based on radio-frequency technique; it is characterized in that, for the contacts such as transformer station/power plant switch contact, disconnecting link contact, bus contact joint, cable junctions, transformer case in electric system provide temperature survey and protection, comprising: radio temperature sensor, temperature display device, monitoring temperature warning system.
2. according to the radio temperature sensor shown in claim 1, be temperature acquisition and transmission equipment, it is characterized in that by temperature sensor (1) for gathering the temperature signal of current node; By high temperature heat-conducting glue (2), temperature sensor is closely connected and fixed with collected temperature device, the real time temperature of collected temperature device passes to temperature sensor (1) by high temperature heat-conducting glue (2); By 433M frequency band (3), provide wireless network.
3. according to the temperature display device shown in claim 1, it is characterized in that showing successively by human-computer interaction interface (4) Current Temperatures that each numbering temperature sensor is uploaded; By switch (5) design temperature alarming value is set; By increasing switch (6) and reducing the size that switch (7) is revised temperature alarming value; By alerting signal, export (8) and provide signal output contact for user, be convenient to expansion; By alarm buzzer (9), when temperature anomaly is reported to the police, producing audible alarm processes with reminding user; Whether normal by relay indicating light (10) indicated temperature display device; By alarm lamp (11) detected temperatures, report to the police; By remote communication interface (12), for user provides communication contact, facilitate user to realize remote monitoring; By Internet network (13), provide transmission medium for temperature display device and monitoring temperature warning system.
4. according to the monitoring temperature warning system (14) shown in claim 1, be remote supervisory and control(ling) equipment, it is characterized in that providing for user the platform of monitoring field temperature conditions, while there is temperature anomaly, can by current display interface, lock the position of temperature anomaly node, be convenient to timely processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210201918.3A CN103512670A (en) | 2012-06-19 | 2012-06-19 | A wireless temperature measurement system based on a radio frequency technique |
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| CN201210201918.3A CN103512670A (en) | 2012-06-19 | 2012-06-19 | A wireless temperature measurement system based on a radio frequency technique |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034437A (en) * | 2014-07-09 | 2014-09-10 | 郭锐 | Mobile wireless temperature measurement device for hot processing technology |
| CN105424202A (en) * | 2015-11-05 | 2016-03-23 | 南京大全电气有限公司 | Wireless temperature measurement system and method for low-voltage switch cabinet |
| CN106643877A (en) * | 2016-11-18 | 2017-05-10 | 西安亚能电气有限责任公司 | Multi-sensing information fusion-based power transformer on-line monitoring system and method |
| CN107450424A (en) * | 2017-07-25 | 2017-12-08 | 安徽荣旭信息科技有限公司 | A kind of power plant's remote comprehensive monitoring system |
| CN107727256A (en) * | 2017-11-20 | 2018-02-23 | 安徽晓星能源科技有限公司 | A kind of energy-saving wireless temperature measurement system |
| CN108122389A (en) * | 2016-11-28 | 2018-06-05 | 天津市军联科技有限公司 | Equipment humiture remote supervision system based on technology of Internet of things |
| WO2019119727A1 (en) * | 2017-12-20 | 2019-06-27 | 清华四川能源互联网研究院 | Remote temperature monitoring system |
| CN111486992A (en) * | 2020-06-17 | 2020-08-04 | 国网江苏省电力有限公司无锡供电分公司 | Transformer substation equipment temperature monitoring method and system |
-
2012
- 2012-06-19 CN CN201210201918.3A patent/CN103512670A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034437A (en) * | 2014-07-09 | 2014-09-10 | 郭锐 | Mobile wireless temperature measurement device for hot processing technology |
| CN105424202A (en) * | 2015-11-05 | 2016-03-23 | 南京大全电气有限公司 | Wireless temperature measurement system and method for low-voltage switch cabinet |
| CN106643877A (en) * | 2016-11-18 | 2017-05-10 | 西安亚能电气有限责任公司 | Multi-sensing information fusion-based power transformer on-line monitoring system and method |
| CN108122389A (en) * | 2016-11-28 | 2018-06-05 | 天津市军联科技有限公司 | Equipment humiture remote supervision system based on technology of Internet of things |
| CN107450424A (en) * | 2017-07-25 | 2017-12-08 | 安徽荣旭信息科技有限公司 | A kind of power plant's remote comprehensive monitoring system |
| CN107727256A (en) * | 2017-11-20 | 2018-02-23 | 安徽晓星能源科技有限公司 | A kind of energy-saving wireless temperature measurement system |
| WO2019119727A1 (en) * | 2017-12-20 | 2019-06-27 | 清华四川能源互联网研究院 | Remote temperature monitoring system |
| US11555746B2 (en) | 2017-12-20 | 2023-01-17 | Sichuan Energy Internet Research Institute, Tsinghua University | Remote temperature monitoring system |
| CN111486992A (en) * | 2020-06-17 | 2020-08-04 | 国网江苏省电力有限公司无锡供电分公司 | Transformer substation equipment temperature monitoring method and system |
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Application publication date: 20140115 |