CN107525591A - A kind of double-view field thermal imaging system and temp measuring method - Google Patents
A kind of double-view field thermal imaging system and temp measuring method Download PDFInfo
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- CN107525591A CN107525591A CN201710730770.5A CN201710730770A CN107525591A CN 107525591 A CN107525591 A CN 107525591A CN 201710730770 A CN201710730770 A CN 201710730770A CN 107525591 A CN107525591 A CN 107525591A
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- stepper motor
- infrared
- optical system
- comparisons
- thermal imaging
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001931 thermography Methods 0.000 title claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 208000003164 Diplopia Diseases 0.000 claims abstract description 32
- 208000029444 double vision Diseases 0.000 claims abstract description 32
- 230000000712 assembly Effects 0.000 claims abstract description 23
- 238000000429 assembly Methods 0.000 claims abstract description 23
- 230000000007 visual effect Effects 0.000 claims description 9
- 238000013316 zoning Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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
- G01J5/08—Optical arrangements
-
- 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
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
-
- 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
- G01J2005/0077—Imaging
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of double-view field thermal imaging system and temp measuring method, including double vision field optical system, infrared detector module, stepper motor and cartridge assemblies；Double vision field optical system is connected with stepper motor and infrared acquisition component respectively, and stepper motor is connected with infrared detector module, and infrared detector module is connected with cartridge assemblies；Double vision field optical system, for the infrared energy of the current field collected to be focused on into infrared detector module；Infrared detector module, sent for the infrared energy received to be converted into electric signal to cartridge assemblies, and receive the focusing instruction of cartridge assemblies transmission, Driving Stepping Motor movement；Stepper motor, for changing the focal length of double vision field optical system；Cartridge assemblies, for sending focusing instruction；For the electric signal received to be compared with the demarcation temperature table of comparisons, the temperature value of testee is obtained.Thermal imaging system and temp measuring method disclosed by the invention can complete the accurate thermometric to current field.
Description
Technical field
The present invention relates to thermal imaging system field, more particularly to a kind of double-view field thermal imaging system and temp measuring method.
Background technology
Because thermal imaging system has the surface temperature that can detect testee, there is certain penetration capacity, and can be complete
Weather observe the characteristics of and be widely used in the fields such as national defence, industry, medical treatment, security protection.And because double vision field optical system can be with
Reach big visual field and under neglecting field mode focus purpose, therefore the thermal imaging system of double vision field optical system is installed
To facilitate the observation realized at a distance and closely.But double-view field thermal imaging system is mostly used for imaging in the market, still
Can not accurate thermometric.
The content of the invention
It is an object of the invention to provide a kind of double-view field thermal imaging system and temp measuring method, to realize to the accurate of current field
Thermometric.
To achieve the above object, the invention provides following scheme：
A kind of double-view field thermal imaging system, including double vision field optical system, infrared detector module, stepper motor and movement group
Part；The double vision field optical system is connected with the stepper motor and the infrared acquisition component respectively, the stepper motor
It is connected with the infrared detector module, the infrared detector module is connected with the cartridge assemblies；
The double vision field optical system, it is described infrared for the infrared energy of the current field collected to be focused on
On detector assembly；
The infrared detector module, sent for the infrared energy received to be converted into electric signal to the machine
Core assembly, and the focusing instruction that the cartridge assemblies are sent is received, drive the stepper motor to move；
The stepper motor, for changing the focal length of the double vision field optical system；
The cartridge assemblies, for sending focusing instruction；For the electric signal received and the demarcation temperature table of comparisons to be entered
Row compares, and obtains the temperature value of the testee.
Optionally, the infrared detector module includes converter and drive device；The converter, for will be described double
The infrared energy that visual field optical system is sent is converted to voltage signal；The drive device, for according to the tune
Stepper motor described in burnt order-driven moves.
Optionally, the cartridge assemblies include processor and controller；The processor, for entering to the voltage signal
Row filtering process, the voltage signal after processing is compared with the demarcation temperature table of comparisons, obtains the current field
Temperature value；The controller, for sending focusing instruction, and the drive device is controlled to drive the stepper motor.
Optionally, the current field includes big visual field and small field of view.
Optionally, the demarcation temperature table of comparisons includes the big view calibration temperature table of comparisons and small field of view demarcation temperature control
Table.
Present invention also offers a kind of temp measuring method, methods described is applied to above-mentioned thermal imaging system, and methods described includes：
Obtain focusing instruction；
According to stepper motor described in the focusing order-driven, judged to work as forward sight according to the shift position of the stepper motor
；
Gather the infrared energy of the current field；
The infrared energy is converted into voltage signal；
By the voltage signal compared with demarcating the temperature table of comparisons, the temperature value of the current field is obtained.
Optionally, it is described by the voltage signal compared with demarcating the temperature table of comparisons, obtain the current field
Temperature value, specifically include：
According to the photosensitive sites of the infrared energy and the focal length of the double vision field optical system, calculate described red
The locus of external radiation energy；
By the voltage signal of the locus compared with demarcating the temperature table of comparisons, the temperature of the locus is obtained
Angle value.
Optionally, methods described also includes：
According to the temperature value drawing image of the locus；
Described image is divided, obtains zoning；
The temperature value of the locus whole in the zoning is averaged, obtains average temperature value, will
The average temperature value is defined as the temperature value of the zoning.
Compared with prior art, the present invention has following technique effect：The invention provides a kind of double-view field thermal imaging system and
Temp measuring method, Driving Stepping Motor moves after infrared detector module receives the focusing instruction that cartridge assemblies are sent, stepping electricity
The mobile zoom mirror that can drive double vision field optical system of machine moves axially, and changes the focal length of double vision field optical system, so as to
The infrared energy of current field is enough collected, infrared energy is changed into by electric signal by infrared detector module, is led to
Cross cartridge assemblies electric signal is compared with the temperature table of comparisons demarcated, so that it may the temperature value of current field is measured, so as to
Complete the accurate thermometric to current field.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structure chart of double-view field thermal imaging system provided in an embodiment of the present invention；
Fig. 2 is the structure chart of double vision field optical system provided in an embodiment of the present invention；
Fig. 3 is the flow chart of temp measuring method provided in an embodiment of the present invention.
Wherein, it is solid before 1- double visions field optical system, 2- stepper motors, 3- infrared detector modules, 4- cartridge assemblies, 11-
Fixed mirror, 31- converters, 32- drive devices, 41- processors, 42- controllers after horizontal glass, 12- zooms mirror, 13-.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is an object of the invention to provide a kind of double-view field thermal imaging system and temp measuring method, to realize to the accurate of current field
Thermometric.Thermal imaging system includes double vision field optical system, infrared detector module, stepper motor and cartridge assemblies.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Fig. 1 is the structure chart of thermal imaging system provided in an embodiment of the present invention；Fig. 2 is double-view field light provided in an embodiment of the present invention
The structure chart of system.
As shown in figure 1, double vision field optical system 1 connects with the stepper motor 2 and the infrared acquisition component 3 respectively
Connect, the stepper motor 2 is connected with the infrared detector module 3, the infrared detector module 3 and the cartridge assemblies 4
Connection.
The double vision field optical system 1, it is described red for the infrared energy of the current field collected to be focused on
On external detector component 2, the current field includes big visual field and small field of view.As shown in Fig. 2 the double vision field optical system 1
Including positioned at the preceding fixed mirror 11 of same axis, zoom mirror 12 and rear fixed mirror 13；The zoom mirror 12 is positioned at described preceding solid
Between horizontal glass 11 and the rear fixed mirror 13；The preceding fixed mirror 11 and the rear fixed mirror 13 are positive lens, the change
Times mirror is negative lens 12.Fixed mirror 13 moves the zoom mirror 12 backward, and visual field diminishes, the zoom mirror 12 fixed mirror 11 forward
Mobile, visual field becomes big.
The infrared detector module 3 includes converter 31 and drive device 32.The converter 31 is used for will be described double
The infrared energy that visual field optical system 1 is sent is converted to voltage signal；The drive device 32 is used for according to
Stepper motor 2 described in focusing order-driven moves.
The stepper motor 2 is used for the focal length for changing the double vision field optical system 1.The mobile meeting of the stepper motor 2
Driving zoom mirror 12 moves axially, so as to change the focal length of double vision field optical system 1.
Cartridge assemblies described in the cartridge assemblies 4 include processor 41 and controller 42；The processor 41 is used for institute
State voltage signal and be filtered processing, the voltage signal after processing is compared with the demarcation temperature table of comparisons, obtains institute
State the temperature value of current field.The demarcation temperature table of comparisons includes the big view calibration temperature table of comparisons and small field of view demarcation temperature
The table of comparisons.The controller 42 is used to send focusing instruction, and controls the drive device 32 to drive the stepper motor 2.
According to specific embodiment provided by the invention, the present invention has following technique effect：Infrared detector module receives
Driving Stepping Motor moves after the focusing instruction sent to cartridge assemblies, and the mobile of stepper motor can drive double vision field optical system
Zoom mirror axial movement, change double vision field optical system focal length, so as to collect the infrared energy of current field
Amount, infrared energy is changed into by electric signal by infrared detector module, by cartridge assemblies by electric signal with demarcation temperature
The degree table of comparisons is compared, so that it may the temperature value of current field is measured, so as to complete the accurate thermometric to current field.
Present invention also offers a kind of temp measuring method, methods described is applied to above-mentioned thermal imaging system.
Fig. 3 is the flow chart of temp measuring method provided in an embodiment of the present invention.As shown in figure 3, methods described includes：
Step S301：Obtain focusing instruction；
Specifically, the focusing instruction is sent by the controller 42.
Step S302：According to stepper motor 2 described in the focusing order-driven, according to the mobile position of the stepper motor 2
Put judgement current field；
Specifically, the focusing instruction is received by the drive device 32 and drives the stepper motor 2 to move, stepping
The mobile driving zoom mirror 12 of motor 2 moves axially, so as to change the focal length of double vision field optical system 1.In addition, infrared detector
Component 3 can interpolate that current field is big visual field or small field of view according to the shift position of the stepper motor 2.
Step S303：Gather the infrared energy of the current field；
Specifically, the infrared energy of current field is gathered by the double vision field optical system 1.
Step S304：The infrared energy is converted into voltage signal；
Specifically, the infrared energy is converted to by voltage signal by the converter 31.
Step S305：By the voltage signal compared with demarcating the temperature table of comparisons, the temperature of the current field is obtained
Angle value；
Specifically, according to the photosensitive sites of the infrared energy and the focal length of the double vision field optical system 1, meter
Calculate the locus of the infrared energy；
Compared with demarcating the temperature table of comparisons, it will be obtained after the voltage signal filtering of the locus by processor 41
To the temperature value of the locus；
According to the temperature value drawing image of the locus；
Described image is divided, obtains zoning；
The temperature value of the locus whole in the zoning is averaged, obtains average temperature value, will
The average temperature value is defined as the temperature value of the zoning.
Therefore, the accurate thermometric to current field can be realized by temp measuring method provided by the invention.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of double-view field thermal imaging system, it is characterised in that including double vision field optical system, infrared detector module, stepper motor
And cartridge assemblies；The double vision field optical system is connected with the stepper motor and the infrared acquisition component respectively, institute
State stepper motor to be connected with the infrared detector module, the infrared detector module is connected with the cartridge assemblies；
The double vision field optical system, for the infrared energy of the current field collected to be focused on into the infrared acquisition
In device assembly；
The infrared detector module, sent for the infrared energy received to be converted into electric signal to the movement group
Part, and the focusing instruction that the cartridge assemblies are sent is received, drive the stepper motor to move；
The stepper motor, for changing the focal length of the double vision field optical system；
The cartridge assemblies, for sending focusing instruction；For the electric signal received and the demarcation temperature table of comparisons to be compared
It is right, obtain the temperature value of the testee.
2. thermal imaging system according to claim 1, it is characterised in that the infrared detector module includes converter and driving
Device；
The converter, the infrared energy for the double vision field optical system to be sent are converted to voltage signal；
The drive device, for the stepper motor movement according to the focusing order-driven.
3. thermal imaging system according to claim 1, it is characterised in that the cartridge assemblies include processor and controller；
The processor, for being filtered processing to the voltage signal, by the voltage signal after processing and the demarcation temperature
The degree table of comparisons is compared, and obtains the temperature value of the current field；
The controller, for sending focusing instruction, and the drive device is controlled to drive the stepper motor.
4. thermal imaging system according to claim 1, it is characterised in that the current field includes big visual field and small field of view.
5. thermal imaging system according to claim 1, it is characterised in that the demarcation temperature table of comparisons includes big view calibration temperature
Spend the table of comparisons and the small field of view demarcation temperature table of comparisons.
6. a kind of temp measuring method, it is characterised in that methods described is applied to thermal imaging system as claimed in claim 1, methods described
Including：
Obtain focusing instruction；
According to stepper motor described in the focusing order-driven, current field is judged according to the shift position of the stepper motor；
Gather the infrared energy of the current field；
The infrared energy is converted into voltage signal；
By the voltage signal compared with demarcating the temperature table of comparisons, the temperature value of the current field is obtained.
7. according to the method for claim 6, it is characterised in that described to enter the voltage signal and the demarcation temperature table of comparisons
Row compares, and obtains the temperature value of the current field, specifically includes：
According to the photosensitive sites of the infrared energy and the focal length of the double vision field optical system, the infrared spoke is calculated
Penetrate the locus of energy；
By the voltage signal of the locus compared with demarcating the temperature table of comparisons, the temperature of the locus is obtained
Value.
8. according to the method for claim 7, it is characterised in that also include：
According to the temperature value drawing image of the locus；
Described image is divided, obtains zoning；
The temperature value of the locus whole in the zoning is averaged, obtains average temperature value, by described in
Average temperature value is defined as the temperature value of the zoning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730770.5A CN107525591A (en) | 2017-08-23 | 2017-08-23 | A kind of double-view field thermal imaging system and temp measuring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710730770.5A CN107525591A (en) | 2017-08-23 | 2017-08-23 | A kind of double-view field thermal imaging system and temp measuring method |
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| CN107525591A true CN107525591A (en) | 2017-12-29 |
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| CN201710730770.5A Pending CN107525591A (en) | 2017-08-23 | 2017-08-23 | A kind of double-view field thermal imaging system and temp measuring method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340941A (en) * | 2018-02-02 | 2018-07-31 | 中国铁道科学研究院 | Non-fragment orbit plate temperature high speed dynamic measurement system |
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| CN102830485A (en) * | 2012-09-13 | 2012-12-19 | 河北汉光重工有限责任公司 | Diaphragm-changeable infrared double-view-field optical lens |
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| CN104034429A (en) * | 2014-05-21 | 2014-09-10 | 山西大学 | Method for real-time panoramic infrared intelligent temperature measurement of substation |
| CN105547486A (en) * | 2015-12-05 | 2016-05-04 | 中国航空工业集团公司洛阳电光设备研究所 | Cooled three-field infrared thermal imager |
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2017
- 2017-08-23 CN CN201710730770.5A patent/CN107525591A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269871B (en) * | 2011-07-15 | 2013-08-28 | 昆明物理研究所 | Bicolor dual-view field infrared imaging optical system |
| CN103033946A (en) * | 2011-12-19 | 2013-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | Assembly and adjustment method of double-view-field axial zoom optical system |
| CN102830485A (en) * | 2012-09-13 | 2012-12-19 | 河北汉光重工有限责任公司 | Diaphragm-changeable infrared double-view-field optical lens |
| CN104034429A (en) * | 2014-05-21 | 2014-09-10 | 山西大学 | Method for real-time panoramic infrared intelligent temperature measurement of substation |
| CN105547486A (en) * | 2015-12-05 | 2016-05-04 | 中国航空工业集团公司洛阳电光设备研究所 | Cooled three-field infrared thermal imager |
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| CN108340941A (en) * | 2018-02-02 | 2018-07-31 | 中国铁道科学研究院 | Non-fragment orbit plate temperature high speed dynamic measurement system |
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