CN106052898A - Wireless temperature measuring device based on spectrum technology and method thereof - Google Patents
Wireless temperature measuring device based on spectrum technology and method thereof Download PDFInfo
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- CN106052898A CN106052898A CN201610647283.8A CN201610647283A CN106052898A CN 106052898 A CN106052898 A CN 106052898A CN 201610647283 A CN201610647283 A CN 201610647283A CN 106052898 A CN106052898 A CN 106052898A
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- temperature
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000005516 engineering process Methods 0.000 title abstract description 5
- 238000001228 spectrum Methods 0.000 title abstract 2
- 238000010521 absorption reaction Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 238000013507 mapping Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000009529 body temperature measurement Methods 0.000 claims description 17
- 230000003595 spectral effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 230000008447 perception Effects 0.000 claims description 8
- 238000004847 absorption spectroscopy Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000005693 optoelectronics Effects 0.000 claims 1
- 230000002277 temperature effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000862 absorption spectrum Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 239000004065 semiconductor Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007557 optical granulometry Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radiation Pyrometers (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a wireless temperature measuring device based on a spectrum technology and a method thereof. The wireless temperature measuring device comprises a power supply module, a first light source, a first photoelectric converter and an analysis module, wherein the power supply module provides an input current for the first light source; the first light source perceives a temperature of an object to be measured; a wavelength of measurement light emitted by the first light source under effects of the input current and the temperature covers an absorption line of at least one gas in the air; the first photoelectric converter is used for converting the measurement light after being absorbed by at least one gas into a first electrical signal and transmitting to the analysis module; and the analysis module processes the received first electrical signal according to an absorption spectrum technology so as to acquire a position of an absorption peak corresponding to the at least one gas, and uses a mapping relation among an output wavelength of the first light source, the temperature and a current so as to acquire the temperature of the object to be measured, wherein the temperature is perceived by the first light source. The device and the method of the invention have advantages that precision is high; the structure is simple; cost is low and so on.
Description
Technical field
The present invention relates to photoanalysis, particularly to wireless temperature measuring device based on spectral technique and method.
Background technology
Existing thermometric mode includes contact temperature-measuring and contactless temperature-measuring (infrared measurement of temperature), and high precision measuring temperature to be obtained is imitated
Really (it is better than 0.01 degree), generally uses contact temperature-measuring.Utilize contact temperature-measuring to realize wireless temperature measurement, need first by temperature measuring device
Output signal read, utilize signal processing circuit that the signal that temperature element exports is converted to temperature information, by wireless biography
Temperature information is sent by transferring technology.
Conventional wireless temperature measuring equipment be divided into wireless temperature measurement end and wireless receiving end 2 part composition, wherein wireless temperature measurement end by
The part such as temperature measuring device, signal processor, wireless signal transmitter, battery supply is constituted, and wireless receiving end is connect by wireless signal
Receiving device and other functional devices are constituted, therefore have device self-heating amount high, amount of electromagnetic radiation is big, and wireless temperature measurement end volume is relatively
Greatly, system structure is complicated, and construction cost is high, and stream time is by shortcomings such as battery limitation.
Summary of the invention
For solving the deficiency in above-mentioned prior art, the invention provides a kind of simple in construction, low cost radiation little,
The wireless temperature measuring device based on spectral technique of stream time length.
It is an object of the invention to be achieved through the following technical solutions:
A kind of wireless temperature measuring device based on spectral technique, described wireless temperature measuring device includes:
Supply module, described supply module provides input current to the first light source；
First light source, the temperature of object to be measured described in described first light source perception；Described first light source at input current and
The wavelength measuring light sent under the effect of temperature covers the absorption line of at least one gas in air；
First optical-electrical converter, described first optical-electrical converter is for by by the measurement after at least one GAS ABSORPTION described
Light is converted to first signal of telecommunication, and is sent to analyze module；
Analyzing module, described analysis module processes described first signal of telecommunication received according to absorption spectroscopy techniques, thus
Obtain the position of absworption peak corresponding at least one gas described, and utilize the output wavelength of described first light source and temperature,
Mapping relations between electric current, and then know the temperature of object to be measured that described first light source perceives.
According to above-mentioned wireless temperature measuring device, alternatively, described supply module includes:
Secondary light source；
Second optical-electrical converter, described second optical-electrical converter is for being converted to electricity by the light that described secondary light source sends
Stream, and send the first light source；
Heat-barrier material, described heat-barrier material is fixed on described first optical-electrical converter, and is suitable to be fixed on object to be measured
On.
According to above-mentioned wireless temperature measuring device, alternatively, described first light source is fixed on institute directly or by Heat Conduction Material
State on object to be measured.
According to above-mentioned wireless temperature measuring device, it is preferable that described secondary light source is tunable laser.
According to above-mentioned wireless temperature measuring device, it is preferable that described secondary light source is laser instrument.
According to above-mentioned wireless temperature measuring device, alternatively, the output electric current of described second optical-electrical converter is through pressure limiting, limit
Described first light source is sent after stream.
According to above-mentioned wireless temperature measuring device, it is preferable that the output intensity of described secondary light source is over time in three
Angle is wavy.
The present invention also aims to provide and a kind of utilize the based on spectral technique wireless of above-mentioned wireless temperature measuring device
Temp measuring method, this goal of the invention is achieved by the following technical programs:
Wireless temperature measurement method based on spectral technique, described wireless temperature measurement method comprises the following steps:
(A1) supply module provides electric current to the first light source；
(A2) temperature of the first light source perception object to be measured, and under the described function of current, light is measured in output, measures light and covers
The absorption line of at least one gas in lid air；
(A3) the first optical-electrical converter will be converted to first signal of telecommunication by the measurement light after at least one GAS ABSORPTION described,
And be sent to analyze module；
(A4) analyze module and process, according to absorption spectroscopy techniques, described first signal of telecommunication that receives, thus obtain corresponding to
The position of the absworption peak of at least one gas described, and utilize the mapping relations between the wavelength of described measurement light and temperature, electric current,
And then know the temperature of object to be measured that described first light source perceives.
According to above-mentioned wireless temperature measurement method, alternatively, step (A1) farther includes:
(B1) output illumination of secondary light source penetrates the second optical-electrical converter being fixed on object to be measured, described second photoelectricity
Described output light is converted to electric current by transducer, and send the first light source.
According to above-mentioned wireless temperature measurement method, it is preferable that the output intensity of described secondary light source is over time in three
Angle is wavy.
Compared with prior art, the device have the advantages that into:
The most creatively make use of the mapping relations between the output wavelength of tunable first light source and temperature, electric current, with
And air contains oxygen gas and water, the characteristic of the gas such as carbon dioxide so that the precision of wireless temperature measurement significantly improves；
Tunable first light source self-heating amount is few so that it is minimum, further to the temperature interference of object to be measured
Improve the accuracy of temperature detection；
2. electromagnetic-radiation-free during assembly of the invention work, to application environmental friendliness；
3. assembly of the invention thermometric end compact, simple in construction；
4. the first light source power consumption is minimum, can work continuously.
Accompanying drawing explanation
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that: this
A little accompanying drawings are used only for illustrating technical scheme, and are not intended to be construed as limiting protection scope of the present invention.
In figure:
Fig. 1 is the structure diagram of wireless temperature measuring device based on spectral technique according to embodiments of the present invention；
Fig. 2 is the flow chart of wireless temperature measurement method based on spectral technique according to embodiments of the present invention.
Detailed description of the invention
How Fig. 1-2 and the optional embodiment following description describing the present invention are implemented with teaching those skilled in the art
With the reproduction present invention.In order to instruct technical solution of the present invention, simplify or eliminated some conventional aspects.Those skilled in the art
Should be appreciated that be derived from these embodiments modification or replace will within the scope of the invention.Those skilled in the art should understand that
Following characteristics can combine to be formed multiple modification of the present invention in every way.Thus, the invention is not limited in following can
Select embodiment, and only limited by claim and their equivalent.
Embodiment 1:
Fig. 1 schematically illustrates the structure diagram of the wireless temperature measuring device based on spectral technique of the present embodiment, such as Fig. 1
Shown in, described wireless temperature measuring device includes:
First light source, such as semiconductor laser with tunable, the temperature of object to be measured described in described first light source perception；Described
The wavelength measuring light that first light source sends under the effect of input current and temperature covers the suction of at least one gas in air
Receive spectral line；Described first light source is fixed on described object to be measured directly or by Heat Conduction Material.
First optical-electrical converter, described first optical-electrical converter is for by by the measurement after at least one GAS ABSORPTION described
Light is converted to first signal of telecommunication, and is sent to analyze module；
Analyzing module, described analysis module processes described first signal of telecommunication received according to absorption spectroscopy techniques, thus
Obtain the position of absworption peak corresponding at least one gas described, and utilize the output wavelength of described first light source and temperature,
Mapping relations between electric current, and then know the temperature of object to be measured that described first light source perceives；
Supply module, described supply module provides input current to the first light source, specifically includes:
Secondary light source, such as laser instrument；The output intensity of described secondary light source is that triangle is wavy；
Second optical-electrical converter, described second optical-electrical converter is for being converted to electricity by the light that described secondary light source sends
Stream, send described first light source after pressure limiting, current limliting；
Heat-barrier material, described heat-barrier material is fixed on described first optical-electrical converter, and is suitable to be fixed on object to be measured
On.
Fig. 2 schematically illustrates based on spectral technique the wireless survey applying above-mentioned wireless temperature measuring device of the present embodiment
The flow chart of temperature method, as in figure 2 it is shown, described wireless temperature measurement method comprises the following steps:
(A1) supply module provides electric current to the first light source, particularly as follows:
(B1) output illumination of secondary light source penetrates the second optical-electrical converter being fixed on object to be measured, described second photoelectricity
Described output light is converted to electric current by transducer, and send the first light source；
(A2) temperature of the first light source perception object to be measured, and under the described function of current, light is measured in output, measures light and covers
The absorption line of at least one gas in lid air；
(A3) the first optical-electrical converter will be converted to first signal of telecommunication by the measurement light after at least one GAS ABSORPTION described,
And be sent to analyze module；
(A4) analyze module and process, according to absorption spectroscopy techniques, described first signal of telecommunication that receives, thus obtain corresponding to
The position of the absworption peak of at least one gas described, and utilize the mapping relations between the wavelength of described measurement light and temperature, electric current,
And then know the temperature of object to be measured that described first light source perceives.
Embodiment 2:
According to embodiments of the present invention 1 wireless temperature measuring device and the application examples of method.
In this application examples, the first light source selects semiconductor laser with tunable, measures optical wavelength and covers the absorption of oxygen
Spectral line；First optical-electrical converter uses photodetector；Secondary light source uses power laser diode, the change of the light intensity time of output
Change wavy in triangle；First light source is fixed on object to be measured by Heat Conduction Material；Second optical-electrical converter uses light cell, logical
Crossing heat-barrier material to be fixed on object to be measured, the electric current of output send the first light source after denoising, pressure limiting, current limliting.
The wireless temperature measurement method based on spectral technique of the embodiment of the present invention, described wireless temperature measurement method includes following step
Rapid:
(A1) utilizing power laser diode to irradiate light cell, the electric current of light cell output send after denoising, pressure limiting, current limliting can
Tunable semiconductor lasers；
(A2) temperature of semiconductor laser sources perception object to be measured, and under input current effect, light is measured in output, surveys
Amount light covers the absorption line of oxygen in air
(A3) photodetector will be converted to the signal of telecommunication by the measurement light after oxygen absorption, and is sent to analyze module；
(A4) analyze module and process the signal of telecommunication received according to absorption spectroscopy techniques, thus obtain the suction corresponding to oxygen
Receive the position at peak, and utilize the mapping relations between the wavelength of described measurement light and temperature, electric current, and then know that described quasiconductor swashs
The temperature of the object to be measured that light device perceives；As, it is thus achieved that determine that temperature, electric current (such as triangular current, are carried by described supply module
For) under situation of change, corresponding to the primary importance of the absworption peak of oxygen, then obtaining same current (such as triangular current, by institute
State supply module to provide, identical with the electric current during primary importance obtaining absworption peak) under situation of change, corresponding to the absorption of oxygen
The second position at peak, utilizes the deviation between primary importance, the second position can draw the variations in temperature of semiconductor laser, i.e. knows
The temperature of the object to be measured of semiconductor laser perception.
Embodiment 3:
According to embodiments of the present invention 1 wireless temperature measuring device and the application examples of method, as different from Example 2:
When exporting light, between the temperature of semiconductor laser with tunable and the temperature of object to be measured, there is deviation, set up two
Mapping relations between person's temperature, as simulated curve, setting up model etc..Knowing the temperature of semiconductor laser with tunable
After, utilize these mapping relations to know the temperature of object to be measured, further increasing the accuracy of thermometric.
Above-described embodiment is only exemplarily to give supply module to use power laser diode, photronic situation, certainly
Can also is that other situations, as used the power supply mode (coil cutting magnetic induction line) of electromagnetic coupled.
Claims (10)
1. a wireless temperature measuring device based on spectral technique, it is characterised in that: described wireless temperature measuring device includes:
Supply module, described supply module provides input current to the first light source；
First light source, the temperature of object to be measured described in described first light source perception；Described first light source is in input current and temperature
Effect under the wavelength measuring light that sends cover the absorption line of at least one gas in air；
First optical-electrical converter, described first optical-electrical converter is for being turned by the measurement light after at least one GAS ABSORPTION described
It is changed to first signal of telecommunication, and is sent to analyze module；
Analyzing module, described analysis module processes described first signal of telecommunication received according to absorption spectroscopy techniques, thus obtains
Corresponding to the position of the absworption peak of at least one gas described, and utilize output wavelength and temperature, the electric current of described first light source
Between mapping relations, and then know the temperature of object to be measured that described first light source perceives.
Wireless temperature measuring device the most according to claim 1, it is characterised in that: described supply module includes:
Secondary light source；
Second optical-electrical converter, described second optical-electrical converter is used for the light that described secondary light source sends is converted to electric current, and
Send the first light source；
Heat-barrier material, described heat-barrier material is fixed on described first optical-electrical converter, and is suitable to be fixed on object to be measured.
Wireless temperature measuring device the most according to claim 1, it is characterised in that: described first light source is directly or by heat conduction material
Material is fixed on described object to be measured.
Wireless temperature measuring device the most according to claim 1, it is characterised in that: described secondary light source is tunable laser.
Wireless temperature measuring device the most according to claim 2, it is characterised in that: described secondary light source is laser instrument.
Wireless temperature measuring device the most according to claim 2, it is characterised in that: the output electric current of described second optical-electrical converter
Described first light source is sent after pressure limiting, current limliting.
Wireless temperature measuring device the most according to claim 2, it is characterised in that: the output intensity of described secondary light source is in time
Change be that triangle is wavy.
8. wireless temperature measurement method based on spectral technique, described wireless temperature measurement method comprises the following steps:
(A1) supply module provides electric current to the first light source；
(A2) temperature of the first light source perception object to be measured, and under the described function of current, light is measured in output, measures light and covers sky
The absorption line of at least one gas in gas；
(A3) the first optical-electrical converter will be converted to first signal of telecommunication by the measurement light after at least one GAS ABSORPTION described, and passes
Deliver to analyze module；
(A4) analyze module and process described first signal of telecommunication received according to absorption spectroscopy techniques, thus obtain corresponding to described
The position of the absworption peak of at least one gas, and utilize the mapping relations between the wavelength of described measurement light and temperature, electric current, and then
Know the temperature of the object to be measured that described first light source perceives.
Wireless temperature measurement method the most according to claim 8, it is characterised in that: step (A1) farther includes:
(B1) output illumination of secondary light source penetrates the second optical-electrical converter being fixed on object to be measured, described second opto-electronic conversion
Described output light is converted to electric current by device, and send the first light source.
Wireless temperature measurement method the most according to claim 9, it is characterised in that: the output intensity of described secondary light source is at any time
Between change be that triangle is wavy.
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| CN201610647283.8A CN106052898B (en) | 2016-08-09 | 2016-08-09 | Wireless temperature measuring device based on spectral technique and method |
| CN201810800816.0A CN109141669B (en) | 2016-08-09 | 2016-08-09 | Wireless temperature measurement method and device based on spectrum technology |
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| CN201610647283.8A CN106052898B (en) | 2016-08-09 | 2016-08-09 | Wireless temperature measuring device based on spectral technique and method |
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| CN108151906A (en) * | 2016-12-02 | 2018-06-12 | 中国科学院大连化学物理研究所 | A kind of method that more absorption lines measure gas temperature |
| CN112945415A (en) * | 2021-02-09 | 2021-06-11 | 苏州长光华芯光电技术股份有限公司 | Laser array temperature detection method and device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106052898B (en) | 2018-08-31 |
| CN109141669A (en) | 2019-01-04 |
| CN109141669B (en) | 2020-08-07 |
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