CN113847990A - Self-calibration multispectral thermal infrared bright temperature radiometer - Google Patents
Self-calibration multispectral thermal infrared bright temperature radiometer Download PDFInfo
- Publication number
- CN113847990A CN113847990A CN202111286550.0A CN202111286550A CN113847990A CN 113847990 A CN113847990 A CN 113847990A CN 202111286550 A CN202111286550 A CN 202111286550A CN 113847990 A CN113847990 A CN 113847990A
- Authority
- CN
- China
- Prior art keywords
- instrument
- self
- thermal infrared
- stepping motor
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 20
- 238000001228 spectrum Methods 0.000 claims abstract description 6
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009529 body temperature measurement Methods 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000003595 spectral effect Effects 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 108010066057 cabin-1 Proteins 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000000295 emission spectrum Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000036760 body temperature Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0205—Mechanical elements; Supports for optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/04—Casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses a self-calibration multispectral thermal infrared bright temperature radiometer suitable for external field application, which comprises: the target switching cabin, the instrument main body and the control box, the high-low temperature black body carried by the target switching cabin can calibrate the detector in the instrument in real time, the accuracy of a measuring result is guaranteed, the instrument main body and the control box are connected through a waterproof aerial plug and a wire, four spectrum channels are arranged in the instrument main body, the spectrum channels corresponding to the current thermal infrared band load are matched or close to each other, and the instrument main body has strong universality. The instrument has the characteristic of light weight, and can conveniently and quickly meet the measurement requirements of large area and high frequency of a calibration site by carrying the unmanned aerial vehicle for aviation flight test.
Description
Technical Field
The invention belongs to the technical field of infrared measurement, and particularly relates to a self-calibration multispectral thermal infrared bright temperature radiometer capable of being used for an external field.
Background
In the infrared emission spectrum section, an external field calibration experiment of the satellite load needs to measure two radiation values of atmospheric downlink radiation and earth surface spectral radiance of a calibration field so as to obtain the spectral emissivity of the calibration field, and then the spectral radiance at the entrance pupil of the satellite can be obtained by combining with an atmospheric transmission model in an inversion mode, so that the calibration of the satellite load in the infrared emission spectrum section is finally completed.
At present, domestic scientific researchers mainly realize the measurement of outfield atmosphere downlink radiation and earth surface spectral radiation characteristic parameters in a manual field measurement mode, and the mode has high consumption and low efficiency, is limited by weather factors and is difficult to ensure the calibration frequency and the effective data volume.
Therefore, it is needed to develop a multispectral thermal infrared bright temperature radiometer which can work in a field calibration experiment site for a long time and can realize self calibration and be used for long-term external field observation.
Disclosure of Invention
The invention aims to provide a self-calibration multi-spectral-band thermal infrared bright temperature radiometer suitable for an external field calibration environment, which can be placed in an external field calibration field for long-term operation and has the capabilities of remote control and remote data transmission.
The invention provides a self-calibration multispectral thermal infrared bright temperature radiometer, which comprises: the target switching cabin, the instrument main body and the control box; the target switching cabin is fixedly connected with the instrument main body, and a connecting lead is arranged between the instrument main body and the control box; the method is characterized in that: each side surface of a main frame of a switching cabin of the target switching cabin is provided with a mounting hole, a heating black body is mounted on a first side surface, a zenith observation window is formed on a second side surface, an environment temperature black body is mounted on a third side surface, and a ground object observation window is formed on a fourth side surface; a main light path system is arranged in the instrument main body.
The center of the target switching cabin is provided with a first stepping motor, a 45-degree gold-plated reflecting mirror is fixed on a spindle of the first stepping motor, and radiation of different targets is reflected into the instrument through rotation of the stepping motor to realize detection among the different targets.
The instrument main body further comprises an instrument shell, and a gold plate rotating wheel, a second stepping motor, an optical filter rotating wheel, a third stepping motor and an infrared detector are arranged in the shell.
Wherein, a gold-plated plane reflector is arranged on the gold plate rotating wheel, and the rotating wheel is driven by the rotation of the second stepping motor, so that the state switching of the measuring system with/without the gold plate is realized.
The optical filter rotating wheel comprises four optical filters, the rotating wheel is driven by the rotation of the third stepping motor, the measurement of the instrument under different channels is realized, and the corresponding four spectrum channels are 8.2-9.4 microns, 10.1-11.1 microns, 11.8-12.8 microns and 8.0-13.2 microns respectively.
The main optical path system comprises two lenses, the diameters of the two lenses are 12.7mm and 25mm respectively, the focal lengths of the two lenses are 20mm and 50mm respectively, the field angle of the whole optical system is 12 degrees, and optical system components in the main optical path system are subjected to blackening treatment, so that internal stray light is conveniently eliminated.
The size of the photosensitive surface of the thermopile detector is 6mm, the thermopile detector comprises four pins, and the voltage value and the resistance value inside the detector can be obtained.
The control box comprises a central controller CPU, a thermopile detector circuit module, a stepping motor control circuit module, a data transmission module and a GPRS communication module, the central controller CPU can realize that the measuring instrument works in a wired mode and a wireless mode, and the power supply voltage of the whole control circuit module is 24V.
The GPRS communication module comprises a communication SIM card and an SD memory card, and the stored data can be remotely transmitted in real time through a GPRS network.
The control box further comprises a temperature measurement module and a temperature control module, the temperature measurement module can measure and collect the real-time temperature of the heating black body and the environment temperature black body, and the temperature control module can realize the temperature control of the heating black body.
The instrument can obtain infrared spectrum radiance, radiation temperature and atmospheric downlink radiation of the earth surface by measuring the earth surface and the zenith, and firstly provides a calibration mode of combining a dual-temperature-zone high-precision black body and a plane gold-plated reflector to realize self calibration of the instrument, so that high precision and traceability of the quantity value are guaranteed, and the instrument is attached with a remote communication module and unattended automatic measurement, so that remote control and remote transmission of measurement data can be realized, the instrument can work in a field calibration experiment field for a long time, and the instrument has important application in external field calibration of an infrared emission spectrum satellite remote sensor.
Compared with the traditional external field calibration equipment, the instrument is lighter and more portable, can meet the experimental conditions of aviation flight, and the radiation calibration field is generally positioned in the gobi, desert or plateau lake and other areas. The invention can meet the measuring condition of 7 multiplied by 24h, can be placed in an external field calibration site for long-term operation, and has the capabilities of remote control and remote data transmission.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of a target switch cabinet of the apparatus of the present invention;
FIG. 3 is a schematic view of the structure of the main body of the apparatus of the present invention;
fig. 4 is a functional component schematic diagram of the control box of the present invention.
Detailed Description
To facilitate an understanding of the present invention, embodiments of the present invention will be described below with reference to the accompanying drawings, and it will be understood by those skilled in the art that the following descriptions are provided only for the purpose of illustrating the present invention and are not intended to specifically limit the scope thereof.
As shown in fig. 1, the self-calibration multispectral thermal infrared bright temperature radiometer mainly comprises: target switching cabin 1, instrument main part 2 and control box 3, wherein, target switching cabin 1 with fixed connection between the instrument main part 2 preferably adopts 4M 3 screws will target switching cabin 1 with instrument main part 2 is fixed, has connecting wire between instrument main part 2 and the control box 3, particularly, instrument main part 2 back cover is provided with waterproof aviation plug, instrument main part 2 is connected through the wire with control box 3, realizes the power supply and the data communication of instrument inner circuit.
As shown in fig. 2, the object switching compartment 1 includes: the switching cabin main frame is of a hollow structure, preferably of a polyhedral structure, each side face of the switching cabin main frame is provided with a mounting hole, a heating black body 4 is mounted on a first side face, a zenith observation window 11 is formed on a second side face, an ambient temperature black body 5 is mounted on a third side face, a ground object observation window is formed on a fourth side face, a first stepping motor 7 is mounted inside the switching cabin main frame, and a 45-degree gold-plated reflecting mirror 6 is arranged on the first stepping motor 7; a45-degree gold-plated reflecting mirror 6 is fixed on a mandrel of a first stepping motor 7, radiation of different targets is reflected to the inside of an instrument through rotation of the first stepping motor 7 to realize detection among the different targets, and the target switching cabin 1 is at least provided with four targets, namely a heating black body, an environment temperature black body, a ground object and a zenith, and the angles corresponding to the first stepping motor are 0 degree, 60 degree, 120 degree and 180 degree respectively.
A polyimide film heating sheet 8 is pasted on the outer surface of the heating black body 4, and the temperature of the heating black body 4 can be controlled through the polyimide film heating sheet 8; platinum resistance thermometers 9 are respectively arranged on the cavities of the heating black body 4 and the environment temperature black body 5, and the temperatures of the heating black body 4 and the environment temperature black body 5 are monitored through the platinum resistance thermometers 9; the rotation of the first stepping motor 7 can realize the rotation of the 45-degree gold-plated reflecting mirror 6, the angles of the first stepping motor 7 are 0 degree, 60 degree, 120 degree and 180 degree, so that the 45-degree gold-plated reflecting mirror 6 respectively corresponds to the heating black body 4, the environment temperature black body 5, the ground object observation window 10 and the zenith observation window 11, and different measuring signals can be guided to the inside of the instrument main body 2 through the position adjustment of the 45-degree gold-plated reflecting mirror 6.
Through the target switching cabin realizes multi-angle and multi-target measurement, at least comprises a built-in high/low temperature black body, a ground object and a zenith angle, wherein the high/low temperature black body can realize real-time calibration on an internal detection system, and a calibration coefficient is updated, so that the measurement precision is ensured, the spectrum radiance and the radiance temperature of the ground object and the zenith under the same channel can be almost obtained at the same time through the rotation of a first stepping motor, further the uplink radiation and the downlink radiation of the atmosphere at the same moment are obtained, and the measurement timeliness is ensured.
One side of the object-switching compartment 1 is connected to the instrument body 2. As shown in fig. 3, the instrument main body 2 includes: a main optical path system, an instrument front cover 13 and an instrument back cover 20.
The main light path system includes: an infrared window 12, wherein the infrared window 12 is arranged on the instrument front cover plate 13; the golden plate rotating wheel 14 is installed on a second stepping motor 15, the golden plate rotating wheel 14 is driven to rotate by stepping of the second stepping motor 15, a gilded plane reflecting mirror is installed on the golden plate rotating wheel 14, and the rotating wheel is driven by rotation of the second stepping motor 15, so that state switching of the measuring system with/without a golden plate is realized; the optical filter rotating wheel 16 is arranged on the third stepping motor 17 and is driven by the third stepping motor 17 to rotate, preferably, the optical filter rotating wheel 16 comprises four optical filters, the rotating wheel is driven by the rotation of the third stepping motor to realize the measurement of the instrument under different channels, and the corresponding four spectral channels are respectively 8.2-9.4 microns, 10.1-11.1 microns, 11.8-12.8 microns and 8.0-13.2 microns; an optical system component 18, wherein the signal enters the optical system component 18 and the thermopile detector 19 in sequence after passing through the filter wheel 16, and the size of the photosensitive surface of the thermopile detector 19
6mm, the thermopile detector 19 includes four pins, can obtain the voltage value and the resistance value of detector inside. Two lenses 21, one lens is close to the optical system component 18, the other lens is arranged inside the optical system component 18, the diameters of the two lenses are respectively 12.7mm and 25mm, the focal lengths of the two lenses are respectively 20mm and 50mm, the field angle of the whole optical system is 12 degrees, and the optical system component 18 is subjected to blackening treatment so as to eliminate internal stray light.
As shown in fig. 4, the control box 3 includes: the device comprises a central controller CPU22, a stepping motor driving module 23, a detector signal amplification acquisition module 24, a temperature control module 25, a temperature measurement module 26, a remote control communication module 27 and a power supply module 28. The central controller CPU22 can realize that the measuring instrument works in a wired mode and a wireless mode, and the power supply voltage of the whole control circuit module is 24V.
The stepping motor driving module 23 can perform programmed control on the first stepping motor 7, the second stepping motor 15 and the third stepping motor 17 of the target switching cabin, so as to realize switching among different measurement targets.
The detector signal amplification and acquisition module 24 converts the analog signal output by the thermopile detector 19 into a digital signal, and performs signal amplification and acquisition.
The temperature control module 25 controls the temperature of the heating black body 4 to stabilize the temperature at a set temperature value.
The temperature measurement module 26 can perform real-time measurement of the current temperatures of the heating black body 4 and the ambient temperature black body 5 and return the data to the central controller CPU 22.
The remote control communication module 27 can realize communication between a computer end and an instrument by using a virtual serial port, and can remotely send measurement data by internally arranging a GPRS communication module. The GPRS communication module comprises a communication SIM card and an SD memory card, and the stored data can be remotely transmitted in real time through a GPRS network.
The power supply module 28 can provide 24V dc power for the control box 3, so as to meet the power supply requirement among modules and the experimental conditions of the external field experiment.
The control circuit module, black body temperature control module, GPRS data communication module and protection device, control circuit and GPRS data communication module all install on the inside support of instrument main part, and the waterproof aviation plug through the instrument main part back lid is connected the wire, realizes the power supply and the communication of instrument main part internal circuit.
The four spectral channels 8.2-9.4 mu m, 10.1-11.1 mu m, 11.8-12.8 mu m and 8.0-13.2 mu m can be more matched or close to the spectral channels corresponding to the current thermal infrared band load, so that the universality of the instrument in external field calibration is improved.
When the self-calibration multispectral thermal infrared bright temperature radiometer is used for a test experiment in an external field, an instrument needs to be fixed on a mounting bracket in advance, a DC-24V power supply is provided for the instrument, instrument control and communication can be carried out in two modes of a USB serial port line mode and a remote control virtual serial port mode, and all operations are realized through an upper computer program. After the instrument is powered on, an upper computer program is opened, serial port connection is selected to communicate with the instrument, parameters of the instrument, such as geographical position information (altitude and longitude and latitude information), thermopile detector 19 acquisition parameter setting (including setting of detector measuring time interval and measuring times), selection of a heating black body 4 temperature setting measuring spectrum channel and selection of a measuring target, are set in a normal working mode, and after the setting is finished, the instrument is clicked to start measurement.
After the measurement is started, the central control unit CPU22 sends an instruction to the instrument, the first stepping motor 7 enables the 45-degree gold-plated reflecting mirror 6 to be opposite to the heating black body 4, the second stepping motor 15 is switched to a state without a gold-plated plane reflecting mirror, the third stepping motor 17 is switched to a first channel, after the temperature of the heating black body 4 is stable, infrared radiation signal values of the first channel under two targets of the heating black body 4 and the environment temperature black body 5 are measured, and therefore the self calibration of the instrument under the first channel is completed, and a calibration coefficient is obtained; and then, the 45-degree gold-plated reflecting mirror 6 is sequentially rotated to a ground object observation window 10 and a zenith observation window 11, voltage signal values of the ground object observation window and the zenith observation window under the condition of having the gold-plated plane reflecting mirror are measured, the spectral radiance and the radiance temperature of the ground object and the zenith target are obtained by utilizing the scaling coefficient and the conversion relation under the first channel, all measured data are stored in a memory card in the control box 3 according to a fixed format, the measured data can be connected with an instrument to a PC end through a USB serial port line to be exported, and can also be sent to the PC end through GPRS (general packet radio service) to display and store the data. And after the first channel is measured, switching the third stepping motor 17 to the second channel, repeating the steps, and sequentially measuring the third channel and the fourth channel to finish one cycle of the measurement process.
The thermal infrared bright temperature measuring instrument is further provided with a rainwater sensor and a protection device, when the external rainwater sensor senses that rainfall occurs in the measuring environment, the instrument is automatically powered off to stop working and immediately triggers the protection device, and the protection device can shield a ground object observation window 10 and a zenith observation window 11 outside the instrument to prevent rainwater from entering the instrument. And after the weather is recovered to be clear, the protection device is closed, and the instrument is restarted to start the test work.
The thermal infrared bright temperature measuring instrument is sensitive to background radiation, changes of working environment and decay of performance of parts in the instrument influence measuring results, and two calibration blackbody sources, namely a heating blackbody 4 and an environment temperature blackbody 5, are arranged in the instrument and are used for carrying out two-point calibration on an internal detector in real time, so that the temperature measuring precision of the instrument is guaranteed.
The heating black body 4 and the environment temperature black body 5 are of cylindrical-conical structures, the emissivity of the two black body cavities is above 0.99, and the temperature measurement error of the black bodies is less than 0.01K.
The self-calibration multispectral thermal infrared bright temperature radiometer can obtain infrared spectrum radiance and radiance temperature of the earth surface and atmospheric downlink radiation by measuring the earth surface and the zenith, and meanwhile, the self-calibration of the instrument can be realized by two high-low temperature black bodies carried by the instrument, so that the problem of performance decay of the instrument in a long time is effectively solved, and the instrument is attached with a remote communication module and unattended automatic measurement, so that remote control and remote transmission of measurement data can be realized, and the self-calibration multispectral thermal infrared bright temperature radiometer can work in a field calibration experiment site for a long time.
Compared with the traditional external field calibration equipment, the instrument is lighter and more portable, can meet the experimental conditions of aviation flight, and the radiation calibration field is generally positioned in the gobi, desert or plateau lake and other areas.
The invention can meet the measuring condition of 7 multiplied by 24h, can be placed in an external field calibration site for long-term operation, and has the capabilities of remote control and remote data transmission.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. A self-calibrating multi-spectral thermal infrared bright temperature radiometer, comprising: the target switching cabin, the instrument main body and the control box; the target switching cabin is fixedly connected with the instrument main body, and a connecting lead is arranged between the instrument main body and the control box; the method is characterized in that: each side surface of a main frame of a switching cabin of the target switching cabin is provided with a mounting hole, a heating black body is mounted on a first side surface, a zenith observation window is formed on a second side surface, an environment temperature black body is mounted on a third side surface, and a ground object observation window is formed on a fourth side surface; a main light path system is arranged in the instrument main body.
2. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 1, wherein: and a first stepping motor is arranged at the center of the target switching cabin, a 45-degree gold-plated reflecting mirror is fixed on a mandrel of the first stepping motor, and radiation of different targets is reflected into the instrument through the rotation of the stepping motor to realize the detection among the different targets.
3. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 1, wherein: the instrument main body further comprises an instrument shell, and a gold plate rotating wheel, a second stepping motor, an optical filter rotating wheel, a third stepping motor and an infrared detector are arranged in the shell.
4. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 3, wherein: a gold-plated plane reflector is arranged on the gold plate rotating wheel, and the rotating wheel is driven by the rotation of the second stepping motor, so that the state switching of the measuring system with or without a gold plate is realized.
5. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 3, wherein: the optical filter rotating wheel comprises four optical filters, the rotating wheel is driven by the rotation of the third stepping motor, the measurement of the instrument under different channels is realized, and the corresponding four spectrum channels are respectively 8.2-9.4 micrometers, 10.1-11.1 micrometers, 11.8-12.8 micrometers and 8.0-13.2 micrometers.
6. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 3, wherein: the main optical path system comprises two lenses, the diameters of the two lenses are 12.7mm and 25mm respectively, the focal lengths of the two lenses are 20mm and 50mm respectively, the field angle of the whole optical system is 12 degrees, and optical system components in the main optical path system are subjected to blackening treatment, so that internal stray light is conveniently eliminated.
7. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 3, wherein: the size of the photosensitive surface of the thermopile detector is 6mm, and the thermopile detector comprises four pins and can acquire the voltage value and the resistance value inside the detector.
8. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 1, wherein: the control box comprises a central controller CPU, a thermopile detector circuit module, a stepping motor control circuit module, a data transmission module and a GPRS communication module, the central controller CPU can realize that the measuring instrument works in a wired mode and a wireless mode, and the power supply voltage of the whole control circuit module is 24V.
9. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 8, wherein: the GPRS communication module comprises a communication SIM card and an SD memory card, and the stored data can be remotely transmitted in real time through a GPRS network.
10. The self-calibrating multispectral thermal infrared bright temperature radiometer of claim 8, wherein: the control box further comprises a temperature measurement module and a temperature control module, the temperature measurement module can measure and collect the real-time temperature of the heating black body and the ambient temperature black body, and the temperature control module can realize the temperature control of the heating black body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286550.0A CN113847990A (en) | 2021-11-02 | 2021-11-02 | Self-calibration multispectral thermal infrared bright temperature radiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111286550.0A CN113847990A (en) | 2021-11-02 | 2021-11-02 | Self-calibration multispectral thermal infrared bright temperature radiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113847990A true CN113847990A (en) | 2021-12-28 |
Family
ID=78983664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111286550.0A Pending CN113847990A (en) | 2021-11-02 | 2021-11-02 | Self-calibration multispectral thermal infrared bright temperature radiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113847990A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678842U (en) * | 1993-04-16 | 1994-11-04 | 日新電機株式会社 | Overheat monitoring device for electrical equipment |
| CN101793563A (en) * | 2010-03-23 | 2010-08-04 | 中国科学院西安光学精密机械研究所 | Multi-band infrared radiation automatic measuring system |
| CN102879104A (en) * | 2012-09-26 | 2013-01-16 | 中国科学院地理科学与资源研究所 | Three-source portable emissivity tester and testing method thereof |
| CN106872992A (en) * | 2017-03-16 | 2017-06-20 | 西安电子科技大学 | Self adaptation infrared double-waveband passive ranging method |
| CN108362386A (en) * | 2018-02-06 | 2018-08-03 | 中国科学院合肥物质科学研究院 | A kind of field self correcting multipath infrared radiometer can be used for long-term automatic Observation |
| CN110806398A (en) * | 2019-11-22 | 2020-02-18 | 河南师范大学 | Thermal infrared spectrum atmospheric extinction measurement method and device |
-
2021
- 2021-11-02 CN CN202111286550.0A patent/CN113847990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678842U (en) * | 1993-04-16 | 1994-11-04 | 日新電機株式会社 | Overheat monitoring device for electrical equipment |
| CN101793563A (en) * | 2010-03-23 | 2010-08-04 | 中国科学院西安光学精密机械研究所 | Multi-band infrared radiation automatic measuring system |
| CN102879104A (en) * | 2012-09-26 | 2013-01-16 | 中国科学院地理科学与资源研究所 | Three-source portable emissivity tester and testing method thereof |
| CN106872992A (en) * | 2017-03-16 | 2017-06-20 | 西安电子科技大学 | Self adaptation infrared double-waveband passive ranging method |
| CN108362386A (en) * | 2018-02-06 | 2018-08-03 | 中国科学院合肥物质科学研究院 | A kind of field self correcting multipath infrared radiometer can be used for long-term automatic Observation |
| CN110806398A (en) * | 2019-11-22 | 2020-02-18 | 河南师范大学 | Thermal infrared spectrum atmospheric extinction measurement method and device |
Non-Patent Citations (1)
| Title |
|---|
| 张允祥等: "自校准多通道红外辐射计的设计与性能测试", 《应用光学》, vol. 41, no. 4, pages 2 - 7 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101793563B (en) | Multi-band infrared radiation automatic measuring system | |
| CN106370297B (en) | High-precision automatic sun photometer | |
| CN109341864A (en) | A kind of small-sized wide dynamic space infrared quantitative measuring device | |
| CN106405558B (en) | Ground meteorology microwave radiation meter systems and measurement method based on dual-band antenna | |
| CN103293116B (en) | Automatic continuous detection device of micro-pulse differential absorption lidar water vapor spatial and temporal distribution | |
| CN113588086B (en) | Ocean atmosphere integrated hyperspectral radiometric system and method | |
| CN101608997B (en) | Device and method for collecting space two-dimensional spectrum data | |
| CN110887568B (en) | Moon observation system | |
| CN104793216A (en) | Ground-based multi-channel microwave radiation meter based on meteorological detection | |
| CN201716111U (en) | Multi-band infrared radiation automatic measuring system | |
| CN111207837B (en) | Four-point calibration method for foundation microwave radiometer based on waveguide switch | |
| CN111766213A (en) | Online calibration method and device for spectral radiation of unmanned aerial vehicle-mounted infrared spectrometer | |
| CN103606260B (en) | Unmanned field spectrum irradiance meter system based on GPRS remote radio communication technology | |
| CN104483646A (en) | Real-time calibration device and method for ground-based microwave radiometer | |
| CN108362386A (en) | A kind of field self correcting multipath infrared radiometer can be used for long-term automatic Observation | |
| CN113295284B (en) | Multi-band spectral radiometer based on temperature control of chopper slice and calibration method | |
| CN109029714A (en) | A kind of novel and multifunctional heliograph | |
| CN114427908A (en) | High-precision automatic ground-air radiometer | |
| CN113847990A (en) | Self-calibration multispectral thermal infrared bright temperature radiometer | |
| CN105973468A (en) | Visible near-infrared band high precision solar irradiance meter | |
| CN117848977A (en) | On-orbit satellite calibration device and method for on-orbit main greenhouse gas detector of satellite-borne atmosphere | |
| CN111537085A (en) | Infrared thermal imaging temperature measurement system and method capable of automatically correcting ambient temperature | |
| Palmer | Calibration of satellite sensors in the thermal infrared | |
| Liu et al. | Study on thermal infrared emission directionality over crop canopies with TIR camera imagery | |
| CN111551261A (en) | Four-point calibration method based on waveguide switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |