CN106052898B - Wireless temperature measuring device based on spectral technique and method - Google Patents
Wireless temperature measuring device based on spectral technique and method Download PDFInfo
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- CN106052898B CN106052898B CN201610647283.8A CN201610647283A CN106052898B CN 106052898 B CN106052898 B CN 106052898B CN 201610647283 A CN201610647283 A CN 201610647283A CN 106052898 B CN106052898 B CN 106052898B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000003595 spectral effect Effects 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000013507 mapping Methods 0.000 claims abstract description 11
- 238000004847 absorption spectroscopy Methods 0.000 claims abstract description 7
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 2
- 241000406668 Loxodonta cyclotis Species 0.000 claims 1
- 238000000862 absorption spectrum Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 13
- 239000004065 semiconductor Substances 0.000 description 9
- 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
- 230000008859 change Effects 0.000 description 5
- 230000006870 function Effects 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
- 238000005516 engineering process Methods 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
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 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
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 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
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- 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 present invention provides a kind of wireless temperature measuring device and method based on spectral technique, wireless temperature measuring device include：Power supply module provides input current to first light source；First light source perceives the temperature of object to be measured；The absorption line of at least one of the wavelength covering air for the measurement light that first light source is sent out under the action of input current and temperature gas；First photoelectric converter is used to the measurement light after being absorbed by least one gas being converted to the first electric signal, and is transmitted to analysis module；Analysis module handles the first electric signal received according to absorption spectroscopy techniques, to obtain the position of the absorption peak corresponding at least one gas, and using the mapping relations between the output wavelength and temperature, electric current of first light source, and then know the temperature for the object to be measured that first light source perceives.The present invention has many advantages, such as that precision is high, simple in structure, inexpensive.
Description
Technical field
The present invention relates to photoelectric analysis, more particularly to wireless temperature measuring device and method based on spectral technique.
Background technology
Existing thermometric mode includes contact temperature-measuring and contactless temperature-measuring (infrared measurement of temperature), to obtain high precision measuring temperature effect
Fruit (is better than 0.01 degree), usually using contact temperature-measuring.Wireless temperature measurement is realized using contact temperature-measuring, is needed temperature measuring device first
Output signal read, the signal that temperature element exports is converted into temperature information using signal processing circuit, by wirelessly passing
Transferring technology sends temperature information.
Conventional wireless temperature measuring equipment be divided into wireless temperature measurement end and 2 part of wireless receiving end 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
Receive device and other function elements to constitute, therefore high with device self-heating amount, amount of electromagnetic radiation is big, wireless temperature measurement end volume compared with
Greatly, the shortcomings of system structure is complicated, and construction cost is high, and stream time is limited by battery.
Invention content
For the deficiency for solving in above-mentioned prior art, that the present invention provides a kind of radiation simple in structure, inexpensive is small,
The wireless temperature measuring device based on spectral technique of stream time length.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of wireless temperature measuring device based on spectral technique, the wireless temperature measuring device include：
Power supply module, the power supply module provide input current to first light source；
First light source, the first light source perceive the temperature of the object to be measured；The first light source in input current and
The absorption line of at least one of the wavelength covering air of the measurement light sent out under the action of temperature gas；
First photoelectric converter, first photoelectric converter are used for the measurement after being absorbed by least one gas
Light is converted to the first electric signal, and is transmitted to analysis module；
Analysis module, the analysis module handle first electric signal received according to absorption spectroscopy techniques, to
Obtain the position of the absorption peak corresponding at least one gas, and using output wavelength and the temperature of the first light source,
Mapping relations between electric current, and then know the temperature for the object to be measured that the first light source perceives.
According to above-mentioned wireless temperature measuring device, optionally, the power supply module includes：
Second light source；
Second photoelectric converter, second photoelectric converter are used to the light that the second light source is sent out being converted to electricity
Stream, and send first light source；
Heat-barrier material, the heat-barrier material are fixed on first photoelectric converter, and suitable for being fixed on object to be measured
On.
According to above-mentioned wireless temperature measuring device, optionally, the first light source is fixed on institute directly or by Heat Conduction Material
It states on object to be measured.
According to above-mentioned wireless temperature measuring device, it is preferable that the second light source is tunable laser.
According to above-mentioned wireless temperature measuring device, it is preferable that the second light source is laser.
According to above-mentioned wireless temperature measuring device, optionally, the output current of second photoelectric converter is by pressure limiting, limit
The first light source is sent after stream.
According to above-mentioned wireless temperature measuring device, it is preferable that the output intensity of the second light source changes with time in three
Angle is wavy.
The present invention also aims to provide it is a kind of using above-mentioned wireless temperature measuring device based on the wireless of spectral technique
Temp measuring method, the goal of the invention are achieved by the following technical programs：
Wireless temperature measurement method based on spectral technique, the wireless temperature measurement method include the following steps：
(A1) power supply module provides electric current to first light source；
(A2) first light source perceives the temperature of object to be measured, and output measures light under the function of current, measures light and covers
The absorption line of at least one of lid air gas；
(A3) the measurement light after being absorbed by least one gas is converted to the first electric signal by the first photoelectric converter,
And it is transmitted to analysis module；
(A4) analysis module handles first electric signal received according to absorption spectroscopy techniques, to be corresponded to
The position of the absorption peak of at least one gas, and the mapping relations between the wavelength and temperature, electric current for measuring light are utilized,
And then know the temperature for the object to be measured that the first light source perceives.
According to above-mentioned wireless temperature measurement method, optionally, step (A1) further comprises：
(B1) the output light irradiation of second light source is fixed on the second photoelectric converter on object to be measured, second photoelectricity
The output light is converted to electric current by converter, and send first light source.
According to above-mentioned wireless temperature measurement method, it is preferable that the output intensity of the second light source changes with time in three
Angle is wavy.
Compared with prior art, the device have the advantages that being：
1. the mapping relations between the output wavelength and temperature, electric current of tunable first light source are creatively utilized, with
And the characteristic of the gases such as oxygen gas and water, carbon dioxide contained in air so that the precision of wireless temperature measurement significantly improves；
Tunable first light source self-heating amount is few so that it is minimum to the temperature interference of object to be measured, further
Ground improves the accuracy of temperature detection；
2. electromagnetic-radiation-free when the device of the invention works, environmental-friendly to application；
3. the device of the invention thermometric end compact, simple in structure；
It, can be with continuous work 4. first light source power consumption is minimum.
Description of the drawings
With reference to attached drawing, the disclosure will be easier to understand.Skilled addressee readily understands that be：This
A little attached drawings are used only for the technical solution illustrated the present invention, and are not intended to and are construed as limiting to protection scope of the present invention.
In figure：
Fig. 1 is the structure diagram of the wireless temperature measuring device according to the ... of the embodiment of the present invention based on spectral technique；
Fig. 2 is the flow chart of the wireless temperature measurement method according to the ... of the embodiment of the present invention based on spectral technique.
Specific implementation mode
Fig. 1-2 and following description describe the present invention optional embodiment to instruct how those skilled in the art implement
It is of the invention with reproducing.In order to instruct technical solution of the present invention, some conventional aspects are simplified or have been omitted.Those skilled in the art
It should be appreciated that modification or replacement from these embodiments will within the scope of the invention.Those skilled in the art should understand that
Following characteristics can be combined in various ways to form multiple modifications of the present invention.As a result, the invention is not limited in it is following can
Embodiment is selected, and is only limited by the claims and their equivalents.
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, the wireless temperature measuring device includes：
First light source, such as semiconductor laser with tunable, the first light source perceive the temperature of the object to be measured；It is described
The suction of at least one of the wavelength covering air for the measurement light that first light source is sent out under the action of input current and temperature gas
Receive spectral line；The first light source is fixed on directly or by Heat Conduction Material on the object to be measured.
First photoelectric converter, first photoelectric converter are used for the measurement after being absorbed by least one gas
Light is converted to the first electric signal, and is transmitted to analysis module；
Analysis module, the analysis module handle first electric signal received according to absorption spectroscopy techniques, to
Obtain the position of the absorption peak corresponding at least one gas, and using output wavelength and the temperature of the first light source,
Mapping relations between electric current, and then know the temperature for the object to be measured that the first light source perceives；
Power supply module, the power supply module provide input current to first light source, specifically include：
Second light source, such as laser；The output intensity of the second light source is wavy in triangle；
Second photoelectric converter, second photoelectric converter are used to the light that the second light source is sent out being converted to electricity
Stream, send the first light source after pressure limiting, current limliting；
Heat-barrier material, the heat-barrier material are fixed on first photoelectric converter, and suitable for being fixed on object to be measured
On.
Fig. 2 schematically illustrates the wireless survey based on spectral technique using above-mentioned wireless temperature measuring device of the present embodiment
The flow chart of warm method, as shown in Fig. 2, the wireless temperature measurement method includes the following steps：
(A1) power supply module provides electric current to first light source, specially：
(B1) the output light irradiation of second light source is fixed on the second photoelectric converter on object to be measured, second photoelectricity
The output light is converted to electric current by converter, and send first light source；
(A2) first light source perceives the temperature of object to be measured, and output measures light under the function of current, measures light and covers
The absorption line of at least one of lid air gas；
(A3) the measurement light after being absorbed by least one gas is converted to the first electric signal by the first photoelectric converter,
And it is transmitted to analysis module；
(A4) analysis module handles first electric signal received according to absorption spectroscopy techniques, to be corresponded to
The position of the absorption peak of at least one gas, and the mapping relations between the wavelength and temperature, electric current for measuring light are utilized,
And then know the temperature for the object to be measured that the 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 the application examples, first light source selects semiconductor laser with tunable, measures the absorption of optical wavelength covering oxygen
Spectral line；First photoelectric converter uses photodetector；Second light source uses power laser diode, the change of the light intensity of output at any time
Change wavy in triangle；First light source is fixed on by Heat Conduction Material on object to be measured；Second photoelectric converter uses photocell, leads to
It crosses heat-barrier material to be fixed on object to be measured, the electric current of output send 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, the wireless temperature measurement method include following step
Suddenly：
(A1) power laser diode is utilized to irradiate photocell, the electric current of photocell output is sent after denoising, pressure limiting, current limliting can
Tunable semiconductor lasers；
(A2) semiconductor laser sources perceive the temperature of object to be measured, and output measures light under input current effect, surveys
Measure the absorption line of oxygen in light covering air
(A3) photodetector will be converted to electric signal by the measurement light after oxygen absorption, and be transmitted to analysis module；
(A4) analysis module handles the electric signal received according to absorption spectroscopy techniques, to obtain the suction corresponding to oxygen
The position at peak is received, and using the mapping relations between the wavelength and temperature, electric current for measuring light, and then knows that the semiconductor swashs
The temperature for the object to be measured that light device perceives；Such as, obtain temperature, (such as triangular current is carried electric current by the power supply module
For) under situation of change, correspond to the first position of the absorption peak of oxygen, then obtaining same current (such as triangular current, by institute
Power supply module offer is provided, identical as the electric current when first position for obtaining absorption peak) under situation of change, correspond to the absorption of oxygen
The second position at peak can obtain the temperature change of semiconductor laser using the deviation between first position, the second position, that is, know
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：
In output light, there is deviation between the temperature of semiconductor laser with tunable and the temperature of object to be measured, establish two
Mapping relations between person's temperature, such as fit curve, establish model.In the temperature for knowing semiconductor laser with tunable
Afterwards, the temperature that object to be measured is known using the mapping relations further increases the accuracy of thermometric.
Above-described embodiment is only illustratively to give power supply module using power laser diode, photronic situation, certainly
It can also be other situations, such as use the power supply mode (coil cutting magnetic induction line) of electromagnetic coupling.
Claims (10)
1. a kind of wireless temperature measuring device based on spectral technique, it is characterised in that：The wireless temperature measuring device includes：Power supply mould
Block, the power supply module provide input current to first light source；First light source, the first light source perceive the temperature of object to be measured
Degree；At least one of the wavelength covering air for the measurement light that the first light source is sent out under the action of input current and temperature gas
The absorption line of body；First photoelectric converter, after first photoelectric converter by least one gas for that will be absorbed
Measurement light be converted to the first electric signal, and be transmitted to analysis module；Analysis module, the analysis module is according to absorption spectrum skill
First electric signal that art processing receives, to obtain the position of the absorption peak corresponding at least one gas, and
Using the mapping relations between the output wavelength and temperature, electric current of the first light source, and then know that the first light source perceives
Object to be measured temperature, the first light source is tunable laser.
2. wireless temperature measuring device according to claim 1, it is characterised in that：The power supply module includes：Second light source；The
Two photoelectric converters, second photoelectric converter is used to the light that the second light source is sent out being converted to electric current, and send first
Light source；Heat-barrier material, the heat-barrier material are fixed on first photoelectric converter, and suitable for being fixed on object to be measured.
3. wireless temperature measuring device according to claim 1, it is characterised in that：The first light source is directly or by heat conduction material
Material is fixed on the object to be measured.
4. wireless temperature measuring device according to claim 2, it is characterised in that：The second light source is tunable laser.
5. wireless temperature measuring device according to claim 2, it is characterised in that：The second light source is laser.
6. wireless temperature measuring device according to claim 2, it is characterised in that：The output current of second photoelectric converter
The first light source is sent after pressure limiting, current limliting.
7. wireless temperature measuring device according to claim 2, it is characterised in that：The output intensity of the second light source is at any time
Variation in triangle it is wavy.
8. the wireless temperature measurement method based on spectral technique, the wireless temperature measurement method includes the following steps：(A1) power supply module to
First light source provides electric current；(A2) first light source perceives the temperature of object to be measured, and output measures light under the function of current,
Measure the absorption line of at least one of light covering air gas；(A3) the first photoelectric converter will be by least one gas
Measurement light after absorption is converted to the first electric signal, and is transmitted to analysis module；(A4) analysis module is according to absorption spectroscopy techniques
First electric signal received is handled, to obtain the position of the absorption peak corresponding at least one gas, and profit
With the mapping relations between the wavelength and temperature, electric current for measuring light, so know that the first light source perceives it is to be measured right
The temperature of elephant.
9. wireless temperature measurement method according to claim 8, it is characterised in that：Step (A1) further comprises：(B1) second
The output light irradiation of light source is fixed on the second photoelectric converter on object to be measured, and second photoelectric converter is by the output
Light is converted to electric current, and send first light source.
10. wireless temperature measurement method according to claim 9, it is characterised in that：The output intensity of the second light source is at any time
Between variation in triangle it is wavy.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810800816.0A CN109141669B (en) | 2016-08-09 | 2016-08-09 | Wireless temperature measurement method and device based on spectrum technology |
| CN201610647283.8A CN106052898B (en) | 2016-08-09 | 2016-08-09 | Wireless temperature measuring device based on spectral technique and method |
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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 |
| CN112945415B (en) * | 2021-02-09 | 2023-08-01 | 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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| CN85107724A (en) * | 1984-12-04 | 1986-05-10 | 三菱电机株式会社 | Light measurer |
| CN101122566A (en) * | 2007-05-31 | 2008-02-13 | 王健 | Semiconductor laser absorption spectrum gas analysis method and system |
| CN103411702A (en) * | 2013-03-07 | 2013-11-27 | 中国计量学院 | Device for non-contact measurement of junction temperature of white LED by use of peak wavelength displacement method |
| CN104807555A (en) * | 2015-03-25 | 2015-07-29 | 西安交通大学 | Junction temperature measuring method of semiconductor luminescent device |
| CN205879396U (en) * | 2016-08-09 | 2017-01-11 | 上海禾赛光电科技有限公司 | Wireless temperature measuring device based on spectral technique |
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| SE501473C2 (en) * | 1993-02-03 | 1995-02-27 | Stiftelsen Metallurg Forsk | Ways of determining the state of gases and flames in melt and combustion processes |
| CN101216409B (en) * | 2008-01-09 | 2010-12-29 | 浙江大学 | Multi-source chromatography laser measurement method and device for flue gas, particle concentration and temperature distribution |
| JP5645397B2 (en) * | 2009-12-09 | 2014-12-24 | 三菱重工業株式会社 | Temperature measuring apparatus and temperature measuring method |
| CN102353478B (en) * | 2011-10-10 | 2013-07-31 | 哈尔滨工业大学 | Method of correction for non-contact thermometry in translucent medium environment |
| CN103063324B (en) * | 2012-12-11 | 2014-12-31 | 华中科技大学 | Molecular gas laser intracavity gas temperature monitoring device and method thereof |
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- 2016-08-09 CN CN201810800816.0A patent/CN109141669B/en active Active
- 2016-08-09 CN CN201610647283.8A patent/CN106052898B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107724A (en) * | 1984-12-04 | 1986-05-10 | 三菱电机株式会社 | Light measurer |
| CN101122566A (en) * | 2007-05-31 | 2008-02-13 | 王健 | Semiconductor laser absorption spectrum gas analysis method and system |
| CN103411702A (en) * | 2013-03-07 | 2013-11-27 | 中国计量学院 | Device for non-contact measurement of junction temperature of white LED by use of peak wavelength displacement method |
| CN104807555A (en) * | 2015-03-25 | 2015-07-29 | 西安交通大学 | Junction temperature measuring method of semiconductor luminescent device |
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Also Published As
| Publication number | Publication date |
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| CN106052898A (en) | 2016-10-26 |
| CN109141669B (en) | 2020-08-07 |
| CN109141669A (en) | 2019-01-04 |
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