CN1753045A - Radio temperature monitoring system - Google Patents
Radio temperature monitoring system Download PDFInfo
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- CN1753045A CN1753045A CN200510117648.8A CN200510117648A CN1753045A CN 1753045 A CN1753045 A CN 1753045A CN 200510117648 A CN200510117648 A CN 200510117648A CN 1753045 A CN1753045 A CN 1753045A
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Abstract
The invention discloses a wireless temperature monitoring system, comprising at least a wireless temperature measuring module and a wireless management host computer, where the wireless temperature measuring module comprises temperature sensor, amplifier circuit unit, A/D conversion unit, and radio frequency emitting unit, the temperature sensor is used to collect the field temperature signal, the amplifier circuit unit is used to amplify the temperature signal, the A/D conversion unit is used to make A/D conversion on the amplified temperature signal, the radio frequency emitting unit transmits the processed digital signal; and the wireless management host computer comprises CPU, radio frequency receiving unit and display unit, where the radio frequency receiving unit is connected with the CPU and receives the signal sent from the wireless temperature measuring module, which is then processed by the CPU and displayed by the display unit. The invention wirelessly transmits temperature signal, and has good insulating performance and can isolate high voltage and has accurate test result.
Description
Technical field
The present invention relates to a kind of temperature wireless monitoring system, relate to temperature wireless monitoring system in a kind of electric equipment operation process more specifically.
Background technology
In electric system, high-tension electricity device such as closed high-voltage switch gear, high-voltage motor, bus and power equipment exist load current and the positively related rule of temperature: temperature when load current increases, can occur and raise, and the phenomenon that load current can occur lowering the temperature when reducing.The temperature variation of electrical equipment might make relevant superstructure loosening, insulating property deterioration, even punctures; Simultaneously, in equipment long-time running process, positions such as its line contact and bus row junction are because of wearing out or contact resistance is excessive generates heat, and the temperature of these heating positions can't be monitored, and finally may cause interruption of service thus.According to statistics, electric system has an accident has considerable part relevant with problems of excessive heat in the reason, and therefore adopt an effective measure monitoring bus and electrical pickoff temperature are the problems that electric system need solve.
Because bus is in noble potential, at present domesticly be specifically designed to high voltage bus and electrically contact instrument that heating measures also seldom, the temperature monitoring main method of equipment in the electric system is taked following several method:
The one, be coated with the luminescent material that one deck varies with temperature color at electrical contact surface, come roughly to determine temperature range by observing its change color, low, the poor reliability of this method accuracy can not be carried out quantitative measurment, and needs manually-operated efficient not high;
Another method is the optical fiber type temp measuring system, can the displays temperature value, but because each point for measuring temperature all needs independently optical fiber and signal converter, and wiring, wiring are complicated, the bending radius of optical fiber can not be less than 20mm, and temperature-sensitive optical fiber is fragile, maintenance is big; Fibre Optical Sensor can not move, and uses extremely inconvenience in drawer-type switch cabinet etc. need often be safeguarded the equipment of verification, therefore seldom adopts;
Also have the infrared probe temp measuring system, can on-line monitoring, but because system stability is not high, especially affected by environment serious, report more, also employing seldom.In addition, also have the infrared thermometer of (infrared) hand-held radiation characteristic, accuracy of measurement is higher, but owing to adopted the fixedly optical device of D/S, uses inconvenience in specific occasions such as closed high-tension switch cabinets, and need manually-operated, can't realize on-line measurement.
Summary of the invention
The present invention promptly is a kind of wireless temperature monitoring system that proposes at above-mentioned problems of the prior art, and this system can realize the temperature signal wireless transmission to gathering.
The present invention adopts following technical proposals to realize:
A kind of wireless temperature monitoring system, this system comprises one or more wireless temperature measure modules, the radio management main frame;
Described wireless temperature measure module comprises temperature sensor, amplifier circuit unit, AD conversion unit, the rf transmitter unit that connects successively, described temperature sensor is used for the collection site temperature level, described amplifier circuit unit is used for temperature signal is amplified, described AD conversion unit is used for the temperature signal after amplifying is carried out the digitizing conversion, and described rf transmitter unit sends the digital signal of handling;
Described radio management main frame comprises CPU, Transmit Receive Unit and display unit, described rf receiver unit is connected with CPU with display unit, described rf receiver unit receives the signal that wireless temperature measure module sends, and handles the back through CPU and is shown by described display unit.
Further, described radio management main frame also comprises a standard network interface.
Further, several described radio management main frames can connect by network.
Further, this system also comprises a upper monitoring main frame, and described upper monitoring main frame is connected by the described radio management main frame of network and several.
Compared with prior art, the present invention has following remarkable advantage:
(1) wireless temperature measure module adopts wireless transmission temperature signal mode, have excellent insulating property, high pressure in can isolating switch cabinet, therefore wireless temperature measure module can directly be installed on the interior high-voltage contact of switch cubicle, accurately measure the running temperature of high-voltage contact, realize on-line monitoring switch cabinet contact temperature in service;
(2) wireless temperature measure module is installed in the test point surface, and it is little to take volume, and test result is accurate.
Description of drawings
Fig. 1 is the theory diagram of the wireless temperature measure module of the specific embodiment of the invention;
Fig. 2 is the theory diagram of the radio management main frame of the specific embodiment of the invention;
Fig. 3 is the system construction drawing of the specific embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is further introduced, but not as a limitation of the invention.
With reference to shown in Figure 1, be a kind of theory diagram of wireless temperature measure module.Wireless temperature measure module 1, comprise temperature sensor 11, amplifier circuit unit 12, AD conversion unit 13, rf transmitter unit 14, wherein temperature sensor 11 is used for the collection site temperature level, carry out signal through amplifier circuit unit 12 then and amplify, the temperature signal after the amplification carries out digitizing conversion back through AD conversion unit 13 and is sent by rf transmitter unit 14.
With reference to shown in Figure 2, be a kind of theory diagram of radio management main frame.Radio management main frame 2 comprises CPU21, display unit 22, rf receiver unit 23 and standard network interface unit 24, rf receiver unit 23 is used to receive the signal of several wireless temperature measure modules 1 through radio-frequency transmissions, through after the processing of CPU21, display unit 23 shows, make things convenient for the user to know, and can be connected with upper main frame 3 through network interface.
With reference to shown in Figure 1, the actual application of native system is done one to be set forth, several wireless temperature measure modules 1 that are used for on-the-spot thermometric are installed to the charged contact in the switch cubicle, by temperature sensor sense temperature wherein, send to radio management main frame 2 through the rf transmitter unit 14 by inside after signal amplification and the analog-to-digital conversion process, radio frequency receiver 23 receives data in the radio management main frame 2, show by display unit through after the processing of CPU21, make things convenient for the user to know on-the-spot temperature conditions, a plurality of in addition radio management main frames 2 can form network by standard network interface 24, also can be connected with upper monitoring main frame 3 by network, realize sharing of resource data, further strengthen data processing function.
Claims (4)
1, a kind of wireless temperature monitoring system is characterized in that:
This system comprises one or more wireless temperature measure modules, the radio management main frame;
Described wireless temperature measure module comprises temperature sensor, amplifier circuit unit, AD conversion unit, the rf transmitter unit that connects successively, described temperature sensor is used for the collection site temperature level, described amplifier circuit unit is used for temperature signal is amplified, described AD conversion unit is used for the temperature signal after amplifying is carried out the digitizing conversion, and described rf transmitter unit sends the digital signal of handling;
Described radio management main frame comprises CPU, Transmit Receive Unit and display unit, described rf receiver unit is connected with CPU with display unit, described rf receiver unit receives the signal that wireless temperature measure module sends, and handles the back through CPU and is shown by described display unit.
2, a kind of wireless temperature monitoring system as claimed in claim 1 is characterized in that:
Described radio management main frame also comprises a standard network interface.
3, a kind of wireless temperature monitoring system as claimed in claim 1 or 2 is characterized in that:
Several described radio management main frames can connect by network.
4, as claim 1 or 3 described a kind of wireless temperature monitoring systems, it is characterized in that:
This system also comprises a upper monitoring main frame, and described upper monitoring main frame is connected by the described radio management main frame of network and several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510117648.8A CN1753045A (en) | 2005-11-08 | 2005-11-08 | Radio temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510117648.8A CN1753045A (en) | 2005-11-08 | 2005-11-08 | Radio temperature monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN1753045A true CN1753045A (en) | 2006-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200510117648.8A Pending CN1753045A (en) | 2005-11-08 | 2005-11-08 | Radio temperature monitoring system |
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| CN (1) | CN1753045A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452628B (en) * | 2007-12-04 | 2011-09-14 | 淄博智洋电气有限公司 | On-line monitoring system for temperature of contact line for electrified railway |
| CN102359824A (en) * | 2011-07-27 | 2012-02-22 | 健雄职业技术学院 | Self-powered multi-path wireless temperature measuring terminal for power transforming and transmitting system |
| CN101629853B (en) * | 2008-06-30 | 2012-02-29 | 英特尔公司 | Temperature measurement in electronic devices |
| US8981945B2 (en) | 2009-07-08 | 2015-03-17 | Abb Research Ltd. | Bus condition monitoring system |
| CN104658232A (en) * | 2015-03-24 | 2015-05-27 | 唐山现代工控技术有限公司 | Method and device for measuring indoor temperature |
| CN107340069A (en) * | 2017-08-14 | 2017-11-10 | 南京工业大学 | Local hot spot positioning system of data computer lab hot aisle |
| CN108524245A (en) * | 2018-02-09 | 2018-09-14 | 上海激康生物科技有限公司 | A kind of intellectual meridian point massager |
| US20210188110A1 (en) * | 2019-12-18 | 2021-06-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for monitoring a liquid-cooled charging cable of a charging station for a traction battery of an electrically operated motor vehicle |
| CN113049123A (en) * | 2021-04-23 | 2021-06-29 | 深圳市骅鼎鹏智能科技有限公司 | Wireless temperature measurement system |
-
2005
- 2005-11-08 CN CN200510117648.8A patent/CN1753045A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452628B (en) * | 2007-12-04 | 2011-09-14 | 淄博智洋电气有限公司 | On-line monitoring system for temperature of contact line for electrified railway |
| CN101629853B (en) * | 2008-06-30 | 2012-02-29 | 英特尔公司 | Temperature measurement in electronic devices |
| US9151679B2 (en) | 2008-06-30 | 2015-10-06 | Intel Corporation | Temperature measurement in electronic devices |
| US8981945B2 (en) | 2009-07-08 | 2015-03-17 | Abb Research Ltd. | Bus condition monitoring system |
| CN102359824A (en) * | 2011-07-27 | 2012-02-22 | 健雄职业技术学院 | Self-powered multi-path wireless temperature measuring terminal for power transforming and transmitting system |
| CN104658232A (en) * | 2015-03-24 | 2015-05-27 | 唐山现代工控技术有限公司 | Method and device for measuring indoor temperature |
| CN107340069A (en) * | 2017-08-14 | 2017-11-10 | 南京工业大学 | Local hot spot positioning system of data computer lab hot aisle |
| CN108524245A (en) * | 2018-02-09 | 2018-09-14 | 上海激康生物科技有限公司 | A kind of intellectual meridian point massager |
| US20210188110A1 (en) * | 2019-12-18 | 2021-06-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for monitoring a liquid-cooled charging cable of a charging station for a traction battery of an electrically operated motor vehicle |
| US11685279B2 (en) * | 2019-12-18 | 2023-06-27 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for monitoring a liquid-cooled charging cable of a charging station for a traction battery of an electrically operated motor vehicle |
| CN113049123A (en) * | 2021-04-23 | 2021-06-29 | 深圳市骅鼎鹏智能科技有限公司 | Wireless temperature measurement system |
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