CN108844653A - A kind of temperature checking method based on passive and wireless radio frequency temperature sensor - Google Patents
A kind of temperature checking method based on passive and wireless radio frequency temperature sensor Download PDFInfo
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- CN108844653A CN108844653A CN201810779028.8A CN201810779028A CN108844653A CN 108844653 A CN108844653 A CN 108844653A CN 201810779028 A CN201810779028 A CN 201810779028A CN 108844653 A CN108844653 A CN 108844653A
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- temperature
- temperature sensor
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- sampler
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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]
Abstract
The invention discloses a kind of temperature checking methods based on passive and wireless radio frequency temperature sensor,Including acquisition module,Transmission module and temperature sensor,The acquisition module is connected with temperature sensor by transmission module,Temperature sensor of the invention passes through the temperature sampler and temperature sensor communication in acquisition module,Temperature collection data simultaneously upload,Temperature sampler connects temperature sampler antenna by radio-frequency cable,Temperature sampler antenna is connect by radio-frequency cable with temperature sampler,Transmitting-receiving temperature sampler for radiofrequency signal emits the radiofrequency signal of particular frequency range by temperature sampler antenna around,Temperature sensor reflects the radiofrequency signal with temperature information after receiving the pumping signal for meeting own resonance frequency,The temperature sampler carries out signal condition and data processing after receiving the reflected radiofrequency signal of temperature sensor,To obtain the collected real time temperature information of respective temperature sensor.
Description
Technical field
The present invention relates to temperature sensor technology fields more particularly to a kind of based on passive and wireless radio frequency temperature sensor
Temperature checking method.
Background technique
Temperature sensor refers to the sensor that can be experienced temperature and be converted into usable output signal.Temperature sensor is temperature
The core of measuring instrumentss, it is various in style.Contact and contactless two major classes can be divided by measurement method, according to sensor
Material and electron component characteristic are divided into two class of thermal resistance and thermocouple.
Its sensing element is not in contact with each other with measurand, also known as non-contact type thermodetector table.This instrument can be used to survey
It measures moving object, Small object and thermal capacity is small or temperature change is rapid（Transition）The surface temperature of object, it can also be used to measurement temperature
Spend the Temperature Distribution of field.And now temperature sensor temperature detection safety coefficient it is low so that the effect of temperature sensor
Range is limited.
Summary of the invention
The purpose of the present invention is to solve the peaces of the temperature detection of temperature sensor of today existing in the prior art
Overall coefficient is low, so that the confined disadvantage of the sphere of action of temperature sensor, and the one kind proposed is based on passive and wireless radio frequency temperature
Spend the temperature checking method of sensor.
To achieve the goals above, present invention employs following technical solutions：
A kind of temperature checking method based on passive and wireless radio frequency temperature sensor, including acquisition module, transmission module and temperature
Sensor, the acquisition module are connected with temperature sensor by transmission module, and the temperature sensor includes contrast module, reads
Writing module and memory module, the output end of the transmission module are connected with contrast module input terminal, the output of the contrast module
End is connected with module for reading and writing input terminal, and the output end of the module for reading and writing is connected with memory module input terminal, the memory module
Output end connect the input terminal of the module for reading and writing, the output end of the module for reading and writing connects the input of the contrast module
End, the output end of the contrast module connect the input terminal of the transmission module, are provided with temperature acquisition on the acquisition module
Device antenna.
Preferably, the acquisition module is specially temperature sampler, and the temperature sampler and temperature sensor communication are adopted
Collection temperature data simultaneously uploads, and the temperature sampler connects temperature sampler antenna by radio-frequency cable.
Preferably, the temperature sampler antenna is connect by radio-frequency cable with temperature sampler, for radiofrequency signal
Transmitting-receiving.
Preferably, the temperature sensor detects temperature, and reports temperature information.
Preferably, the temperature sampler emits the radio frequency letter of particular frequency range by temperature sampler antenna around
Number, the radiofrequency signal with temperature information is reflected back by temperature sensor after receiving the pumping signal for meeting own resonance frequency
Coming, the temperature sampler carries out signal condition and data processing after receiving the reflected radiofrequency signal of temperature sensor,
To obtain the collected real time temperature information of respective temperature sensor.
Preferably, the temperature sensor is made of SAW temperature sensor chip and miniature antenna, wherein SAW chip
Resonance frequency and temperature have good linear relationship, and the linearity is up to 99%, is capable of the temperature of real-time perception measurand.
The beneficial effects of the invention are as follows：
1, temperature sensor of the invention passes through the temperature sampler and temperature sensor communication in acquisition module, temperature collection number
According to and upload, temperature sampler connects temperature sampler antenna by radio-frequency cable, and temperature sampler antenna passes through radio-frequency cable
It is connect with temperature sampler, the transmitting-receiving temperature sampler for radiofrequency signal is emitted specific around by temperature sampler antenna
The radiofrequency signal of frequency range, temperature sensor will have temperature information after receiving the pumping signal for meeting own resonance frequency
Radiofrequency signal reflects, and the temperature sampler carries out signal tune after receiving the reflected radiofrequency signal of temperature sensor
Reason and data processing, to obtain the collected real time temperature information of respective temperature sensor.
2, temperature sensor of the present invention is made of SAW temperature sensor chip and miniature antenna, wherein the resonance of SAW chip
Frequency and temperature have good linear relationship, and the linearity is up to 99%, is capable of the temperature of real-time perception measurand, same to model
There are down 12 different channels, the sensor of each channel monopolizes one section of frequency range, when multiple sensors close on deployment, respective work
Make, can't interfere with each other.
Detailed description of the invention
Fig. 1 is a kind of principle frame of the temperature checking method based on passive and wireless radio frequency temperature sensor proposed by the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, a kind of temperature checking method based on passive and wireless radio frequency temperature sensor, including acquisition module, biography
Defeated module and temperature sensor, the acquisition module are connected with temperature sensor, the temperature sensor packet by transmission module
Contrast module, module for reading and writing and memory module are included, the output end of the transmission module is connected with contrast module input terminal, described right
Output end than module is connected with module for reading and writing input terminal, and the output end of the module for reading and writing is connected with memory module input terminal,
The output end of the memory module connects the input terminal of the module for reading and writing, and the output end of the module for reading and writing connects the comparison
The input terminal of module, the output end of the contrast module connect the input terminal of the transmission module, are arranged on the acquisition module
There is temperature sampler antenna.
In the present embodiment, the acquisition module is specially temperature sampler, and the temperature sampler and temperature sensor are logical
Letter, temperature collection data simultaneously upload, and the temperature sampler connects temperature sampler antenna by radio-frequency cable, and the temperature is adopted
Storage antenna is connect by radio-frequency cable with temperature sampler, for the transmitting-receiving of radiofrequency signal, the temperature sensor detection temperature
Degree, and temperature information is reported, the temperature sampler emits penetrating for particular frequency range by temperature sampler antenna around
Frequency signal, temperature sensor reflect the radiofrequency signal with temperature information after receiving the pumping signal for meeting own resonance frequency
Back, the temperature sampler carries out at signal condition and data after receiving the reflected radiofrequency signal of temperature sensor
Reason, to obtain the collected real time temperature information of respective temperature sensor.
In the present embodiment, the temperature sensor is made of SAW temperature sensor chip and miniature antenna, wherein SAW core
The resonance frequency and temperature of piece have good linear relationship, and the linearity is up to 99%, is capable of the temperature of real-time perception measurand
Degree, with having 12 different channels under model, the sensor of each channel monopolizes one section of frequency range, and multiple sensors close on portion
When administration, respectively works, can't interfere with each other.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of temperature checking method based on passive and wireless radio frequency temperature sensor, including acquisition module, transmission module and temperature
Spend sensor, which is characterized in that the acquisition module is connected with temperature sensor, the temperature sensor packet by transmission module
Contrast module, module for reading and writing and memory module are included, the output end of the transmission module is connected with contrast module input terminal, described right
Output end than module is connected with module for reading and writing input terminal, and the output end of the module for reading and writing is connected with memory module input terminal,
The output end of the memory module connects the input terminal of the module for reading and writing, and the output end of the module for reading and writing connects the comparison
The input terminal of module, the output end of the contrast module connect the input terminal of the transmission module, are arranged on the acquisition module
There is temperature sampler antenna.
2. a kind of temperature checking method based on passive and wireless radio frequency temperature sensor according to claim 1, feature
It is, the acquisition module is specially temperature sampler, the temperature sampler and temperature sensor communication, temperature collection data
And upload, the temperature sampler connects temperature sampler antenna by radio-frequency cable.
3. a kind of temperature checking method based on passive and wireless radio frequency temperature sensor according to claim 1, feature
It is, the temperature sampler antenna is connect by radio-frequency cable with temperature sampler, the transmitting-receiving for radiofrequency signal.
4. a kind of temperature checking method based on passive and wireless radio frequency temperature sensor according to claim 1, feature
It is, the temperature sensor detects temperature, and reports temperature information.
5. a kind of temperature checking method based on passive and wireless radio frequency temperature sensor according to claim 1, feature
It is, the temperature sampler emits the radiofrequency signal of particular frequency range by temperature sampler antenna around, and temperature passes
Sensor reflects the radiofrequency signal with temperature information after receiving the pumping signal for meeting own resonance frequency, the temperature
Collector carries out signal condition and data processing after receiving the reflected radiofrequency signal of temperature sensor, to obtain corresponding
The collected real time temperature information of temperature sensor.
6. a kind of temperature checking method based on passive and wireless radio frequency temperature sensor according to claim 1, feature
Be, the temperature sensor is made of SAW temperature sensor chip and miniature antenna, wherein the resonance frequency of SAW chip with
Temperature has good linear relationship, and the linearity is up to 99%, is capable of the temperature of real-time perception measurand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810779028.8A CN108844653A (en) | 2018-07-16 | 2018-07-16 | A kind of temperature checking method based on passive and wireless radio frequency temperature sensor |
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| CN201810779028.8A CN108844653A (en) | 2018-07-16 | 2018-07-16 | A kind of temperature checking method based on passive and wireless radio frequency temperature sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540328A (en) * | 2018-12-06 | 2019-03-29 | 国网河南省电力公司邓州市供电公司 | Intelligent radio temp measuring system based on passive sensing technology |
| CN111121742A (en) * | 2019-12-16 | 2020-05-08 | 南京理工大学 | Silicon micro gyroscope data acquisition device based on wireless transmission |
| CN111649833A (en) * | 2020-05-15 | 2020-09-11 | 国网福建省电力有限公司三明供电公司 | Passive wireless temperature sensor |
| CN117676853A (en) * | 2024-02-01 | 2024-03-08 | 成都天传科技有限公司 | Passive wireless dense sensing time-sharing data acquisition method and system |
| CN117676853B (en) * | 2024-02-01 | 2024-04-26 | 成都天传科技有限公司 | Passive wireless dense sensing time-sharing data acquisition method and system |
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| CN103557958A (en) * | 2013-10-19 | 2014-02-05 | 国家电网公司 | Passive wireless temperature measuring antenna device |
| CN105698962A (en) * | 2014-11-24 | 2016-06-22 | 国网河南省电力公司平顶山供电公司 | Teletransmission resonance-type SAW (surface acoustic wave) temperature sensing device used for high-voltage equipment |
| CN106932117A (en) * | 2017-02-28 | 2017-07-07 | 深圳市远望谷信息技术股份有限公司 | The method and device of Current Temperatures is measured using RFID |
| CN107884091A (en) * | 2017-12-10 | 2018-04-06 | 国家电网公司 | Wireless passive sonic surface wave monitoring device of switch cabinet temperature |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103557958A (en) * | 2013-10-19 | 2014-02-05 | 国家电网公司 | Passive wireless temperature measuring antenna device |
| CN105698962A (en) * | 2014-11-24 | 2016-06-22 | 国网河南省电力公司平顶山供电公司 | Teletransmission resonance-type SAW (surface acoustic wave) temperature sensing device used for high-voltage equipment |
| CN106932117A (en) * | 2017-02-28 | 2017-07-07 | 深圳市远望谷信息技术股份有限公司 | The method and device of Current Temperatures is measured using RFID |
| CN107884091A (en) * | 2017-12-10 | 2018-04-06 | 国家电网公司 | Wireless passive sonic surface wave monitoring device of switch cabinet temperature |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540328A (en) * | 2018-12-06 | 2019-03-29 | 国网河南省电力公司邓州市供电公司 | Intelligent radio temp measuring system based on passive sensing technology |
| CN111121742A (en) * | 2019-12-16 | 2020-05-08 | 南京理工大学 | Silicon micro gyroscope data acquisition device based on wireless transmission |
| CN111649833A (en) * | 2020-05-15 | 2020-09-11 | 国网福建省电力有限公司三明供电公司 | Passive wireless temperature sensor |
| CN117676853A (en) * | 2024-02-01 | 2024-03-08 | 成都天传科技有限公司 | Passive wireless dense sensing time-sharing data acquisition method and system |
| CN117676853B (en) * | 2024-02-01 | 2024-04-26 | 成都天传科技有限公司 | Passive wireless dense sensing time-sharing data acquisition method and system |
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