CN101458123A - Emissivity two-dimensional distribution and dimension conversion measuring instrument and measurement method thereof - Google Patents
Emissivity two-dimensional distribution and dimension conversion measuring instrument and measurement method thereof Download PDFInfo
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- CN101458123A CN101458123A CNA2008102410912A CN200810241091A CN101458123A CN 101458123 A CN101458123 A CN 101458123A CN A2008102410912 A CNA2008102410912 A CN A2008102410912A CN 200810241091 A CN200810241091 A CN 200810241091A CN 101458123 A CN101458123 A CN 101458123A
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Abstract
The invention provides a method for measuring emissivity two-dimension distribution and scaling and an apparatus thereof. With the celestial vault as a cold radiation source, a blackbody cloth shed as a normal temperature radiation source, namely, a relative thermal source; a computer system which intelligently controls the blackbody cloth shed to periodically shield a target and withdraw rapidly, thus achieving the effect of alternately changing environmentally radiant illumination; the computer system is adopted to control horizontal migration of a reference board, thus realizing alternate and automatic observation of the target and the reference board; a thermal imaging system is applied as a measurement sensor, information concerning emissivity two-dimension distribution is obtained by inversion of a thermogram collected by the thermal imaging system; a plurality of combinations of secondary scale ground object components can be carried out by multi-pixel thermal infrared radiation, surface temperature and emissivity two-dimension distribution, thus being capable of carrying out researches on surface temperature and emissivity scale conversion, providing a highly effective test platform and a way to explore space scale conversion of emissivity and solve the scientific difficult problem.
Description
Technical field
The present invention relates to thermal infrared remote sensing application technology and fundamental research field, particularly relate to measuring method and instrument that the conversion of emissivity Two dimensional Distribution and yardstick thereof is measured.
Background technology
The surface temperature of atural object is determined at many scientific researches and application has crucial effect.In meteorological field, accurate surface temperature is to improve the key parameter of numerical weather forecast accuracy; In agriculture field, accurately measure the surface temperature direct relation and improve remote sensing crop yield prediction precision and improve the drought estimation precision; In the national defence field, accurately measure face of land atural object temperature and can improve the identification of military target and the ability of counter camouflage; In the forest security protection, accurately measure surface temperature and can improve accurate monitoring capacity of fire the condition of a disaster or the like.But the method for various remote sensing can only be obtained the infrared radiation temperature of body surface, and the true temperature of body surface needs indirect calculation to obtain, this indirect calculation depends primarily on following three important parameters, i.e. surface emissivity temperature, environment irradiance and emissivity.Wherein surface emissivity temperature and environment irradiance all are not scabrous in the prior art, the mensuration of the emissivity Two dimensional Distribution that also do not reach the breakthrough, particularly emissivity of practical application is measured and the mensuration and the also solution of inverting of yardstick conversion value only.
The object emissivity is exactly the ability of object emission of thermal radiation.The accurate mensuration of object emissivity is the remote accurately key message of inverting real surface temperature.In the Quantitative Thermal Infrared Remote Sensing application technology, the measurement of object emissivity has more significance, we can say the true temperature information that does not have emissivity just can not correctly obtain the face of land, atural object.
At present, both at home and abroad object emissivity Research on Measuring Technology is mainly concentrated on two types, a kind of is collimation infrared source formula, and its measuring principle is to calculate according to the reflected radiation behind the carbon dioxide laser irradiating object and scattered radiation to measure emissivity.Another kind is a diffuse heat radiation source formula, and this is a kind of technology that is used for field measuring face of land atural object direction ratio radiance.Apply on March 30th, 1999 such as the applicant, authorized on February 19th, 2003 Chinese invention patent ZL99103277.2, the measuring method and the instrument of a kind of diffuse heat radiation source object direction ratio emissivity values are provided.But the directivity of its Measuring Object (referring to that object is the identical object or the object of equal state) emissivity is promptly measured the emissivity that changes with observation angle.
But at present object emissivity Research on Measuring Technology mainly still concentrates in the spot measurement, and single point assay can not to satisfy the thermal infrared radiation two-dimensional temperature inverting of being measured by thermal infrared remote sensing dimension sensor (comprising thermal imaging system) be the real surface two-dimensional distribution of temperatures.
Summary of the invention:
The present invention is directed to the deficiencies in the prior art, be implemented in object (object) surface and once finish the Two dimensional Distribution of measuring emissivity, and can be disclosed in the yardstick conversion rule that different scale is measured by this emissivity space distribution.
The purpose of this invention is to provide a kind of Two dimensional Distribution of Measuring Object emissivity and the instrument that the yardstick conversion is measured thereof.
Another object of the present invention provides a kind of Two dimensional Distribution and yardstick conversion assay method thereof of Measuring Object emissivity.
The surveying instrument of emissivity Two dimensional Distribution of the present invention and yardstick conversion thereof comprises: thermal imaging system, thermal imaging system support and base.Described base comprises the two-layer leveling board up and down that is supported by vertical pillars, is placed with the object pallet on its lower layer of water flat board, has observation window in the middle of the upper water flat board.Between lower layer of water flat board and upper water flat board, be horizontally disposed with drawer type tray, be placed with reference plate on it.The described drawer type tray of push-and-pull can make the reference plate level move into and shift out base.The vertical projection at observation window edge all drops on the edge extent of drawer type tray and object pallet or in the edge extent.The observation window next door of base upper water flat board is vertically installed with the thermal imaging system support, and the thermal imaging system cantilever tip is provided with thermal imaging system, the camera lens of thermal imaging system, and promptly observation is vertically downward over against observation window.
Surveying instrument of the present invention includes black matrix cloth canopy, and black matrix cloth canopy is a column structure, comprises end face, underframe and scalable cylinder, and its cylinder inside surface is lined with the black light-proof material that can be used as black matrix in the prior art.Black matrix cloth canopy is preferably the cube rod body structure, and the horizontal shape of its end face and underframe thereof is a rectangle according to the xsect of cube cylinder.Black matrix cloth shed top surface center has the through hole that the aperture is slightly larger than thermal imaging system camera lens external diameter; Black matrix cloth canopy underframe size is greater than observation window.The black light-proof material of black matrix cloth canopy cylinder inner surface lining is preferably the black flannelette.
Be vertically installed with riser guide on the above base upper water flat board, it is provided with and horizontally rotates drive motor, and this motor is connected with black matrix cloth canopy underframe, can drive black matrix cloth canopy and horizontally rotate around riser guide; Riser guide is provided with VTOL (vertical take off and landing) driving-belt and VTOL (vertical take off and landing) drive motor, and the VTOL (vertical take off and landing) driving-belt is connected by the end face of linking arm with black matrix cloth canopy, can drive black matrix cloth shed top surface and do vertical displacement movement, thereby make the cylinder of black matrix cloth canopy vertically flexible.First state (compressive state) of black matrix cloth canopy is to be rotated in outside the base by horizontally rotating the drive motor linking arm thus.Second state of black matrix cloth canopy be driven rotary by horizontally rotating drive motor to base upper water flat board, black matrix cloth canopy underframe covers on observation window wherein; Preferably be provided with apron around the described black matrix cloth canopy underframe, when the underframe of black matrix cloth canopy covered on the observation window of base upper water flat board, apron covered on the base upper water flat board in case leak-stopping light.The third state (extended state) of black matrix cloth canopy is on the basis of second state, and by the drive of VTOL (vertical take off and landing) drive motor, the central through hole of its end face puts thermal imaging system, and just the camera lens of thermal imaging system inserts in the black matrix cloth canopy by the end face through hole.The above horizontally rotates drive motor and drives the angle that black matrix cloth canopy horizontally rotates and be preferably 180 °.
Drawer type tray described in the surveying instrument of the present invention moves horizontally driven by motor by one, can the level propelling shift out base.The reference plate of placing on the drawer type tray, its upper surface are coated with black matrix material and accurate lean type material at interval.Described black matrix material is the material that can be used as black matrix in the prior art, as black flannelette, unglazed black matrix lacquer etc.; Described accurate lean type material is the material that can be used as accurate lean type in the prior art, as inferior light aluminium sheet of no direct reflection etc.Object on the described object pallet can be multiple object, also can be the object of different conditions, such as solid or liquid etc.
The black matrix cloth canopy of surveying instrument of the present invention three can be realized quick conversion according to the observation needs from state one to state, thus property performance period cover and leave measured object, obtain cold, two kinds of environment irradiance of normal temperature (heat) information fast.
The action of each drive motor described in the surveying instrument of the present invention, and thermal imaging system is unified to control under the demand of emissivity measurement model by department of computer science to the collection of data and record and is finished.Specifically, the motor that moves horizontally that described drives drawer formula pallet moves horizontally is advanced and the action of shifting out by its level of computer system control, realizes that measured target thing and reference plate alternately enter the observation visual field of thermal imaging system; VTOL (vertical take off and landing) motor and the action that horizontally rotates motor realize horizontally rotating and vertical stretching of black matrix cloth canopy by computer system control; Described thermal imaging system by computer system control to the frequency acquisition of data, time etc. and to the actions such as record of data.
Thermal imaging system in the surveying instrument of the present invention can adopt existing various thermal imaging systems in the prior art.Generally can select the thermal imaging system of 320 * 240 pixels for use.(promptly 320 * 240) the individual pixel that when the design's observation window area is 400mm * 300mm, then comprises 76800 in this observation area.Utilize the thermal infrared radiation temperature of 76800 pixels and the Two dimensional Distribution value of emissivity, can carry out the combination of multiple secondary yardstick atural object component, thereby can carry out the yardstick study on the transformation of surface temperature and emissivity, also, solve the new thinking that this science difficult problem provides a kind of instrument and method for exploring the space scale conversion of various faces of land parameter
Emissivity Two dimensional Distribution of the present invention and yardstick converted measurement method is characterized in that:
(1) this method is utilized the vault of heaven, and promptly the average radiation of sky is as the cold emission source of object (sample);
(2) this method is utilized the normal temperature radiation source of black matrix cloth canopy inside surface as object, i.e. infrared source; Horizontally rotate periodically fast with vertical by black matrix cloth canopy and flexible object alternately to be in the environment in normal temperature radiation source and cold emission source, play to object the effect that realizes that emissivity is measured needed two kinds of environmental radiant illuminances alternately is provided;
(3) this method is with the thermal imaging system of the non-refrigeration thermographic determination sensor of infrared radiation temperature Two dimensional Distribution as object;
(4) this method utilizes above-mentioned thermal imaging system under the environment of above-mentioned normal temperature and cold emission source alternate, measure the Two dimensional Distribution thermography of the infrared radiation temperature of blackboard and accurate lean type plate, according to the reflected radiation of black matrix plate and accurate lean type plate and the irradiance under computation model difference inverting normal temperature radiation source and the cold emission source environment thereof;
(5) this method utilizes above-mentioned thermal imaging system under the environment of above-mentioned normal temperature and cold emission source alternate, measures the Two dimensional Distribution signal of object infrared radiation temperature;
(6) this method utilizes the mensuration of thermal imaging system to obtain four kinds of data: a. the vault of heaven is the irradiance of main body (being the cold emission source), b. the irradiance of black matrix cloth canopy inside surface, c. be the Two dimensional Distribution thermography of infrared radiation temperature of the object of cold emission source environment with the vault of heaven etc., d. is the Two dimensional Distribution thermography of infrared radiation temperature of the object of normal temperature radiation source environment with black matrix cloth canopy; These data are got off by computer recording, utilize related software to calculate again and inverting, draw the accurate emissivity Two dimensional Distribution of measured target thing measured value.
Above-mentioned being used to calculates and software, the computing formula of inverting and the emissivity measurement model that relates to, " experiment Remote Sensing Model and basis, the ground " book that can publish in April, 1996 with reference to Science Press, shown by one of the present inventor's Zhang Renhua professor.This book describes principle, formula and the mathematical model that inverting was measured and calculated to emissivity in detail.
Of the present inventionly overcome the defective that prior art can not be measured emissivity Two dimensional Distribution value, a kind of measurement emissivity Two dimensional Distribution that provides and the measuring method and the surveying instrument of yardstick conversion thereof, utilize the emissivity Two dimensional Distribution measured value of thermography inverting to replace the single point assay of infrared thermometer and the emissivity value of calculating, proposed to innovation the thinking of accurate inverting atural object emissivity Two dimensional Distribution, its scientific value is embodied in:
(1) measures the atural object emissivity for the direct large tracts of land of aviation and satellite platform measuring principle and thinking are provided;
(2) for highly difficult atural object emissivity yardstick transformation model method provides measuring table and checking example, and be yardstick conversion method and rule from the atural object emissivity, the yardstick that expands to other quantitative remote sensing parameters is changed pervasive rule and is established scientific basic.
Description of drawings:
Fig. 1 is the structural representation of emissivity Two dimensional Distribution of the present invention and yardstick converted measurement instrument, and black matrix cloth canopy is in first state, i.e. compressive state among the figure.
Fig. 2 is the structural representation of emissivity Two dimensional Distribution of the present invention and yardstick converted measurement instrument, and black matrix cloth canopy is in the third state among the figure, i.e. extended state.
Embodiment:
As shown in Figures 1 and 2, emissivity Two dimensional Distribution of the present invention and yardstick converted measurement instrument thereof comprise: thermal imaging system 1, thermal imaging system support 2 and base 3.Described base 3 comprises the two-layer leveling board up and down that is supported by vertical pillars 9, is placed with object pallet 5 on its lower layer of water flat board, has observation window 12 in the middle of the upper water flat board.Between lower layer of water flat board and upper water flat board, be horizontally disposed with drawer type tray 4, be placed with reference plate on it.The reference plate upper surface is coated with black matrix material and accurate lean type material, wherein black matrix material selection black flannelette in square mode at interval; Accurate lean type material selection does not have the inferior light aluminium sheet of direct reflection.The vertical projection at observation window 12 edges all drops on the edge extent of drawer type tray 4 and object pallet 5.Drawer type tray 4 moves horizontally motor 14 by one and drives, and can the level propelling shift out base 3, thereby can make the reference plate level move into and shift out base 3.Observation window 12 next doors of base 3 upper water flat boards are vertically installed with thermal imaging system support 2, and thermal imaging system support 2 tops are provided with thermal imaging system 1, and the camera lens of thermal imaging system 1 is vertically downward over against observation window 12.
Surveying instrument of the present invention includes black matrix cloth canopy 8, and black matrix cloth canopy 8 is rectangular column structure, comprises end face, underframe and scalable cylinder, and its cylinder inside surface is lined with the black flannelette.The level of black matrix cloth canopy 8 end faces and underframe thereof is shaped as rectangle.Black matrix cloth canopy 8 end face centers have the through hole that the aperture is slightly larger than thermal imaging system 1 camera lens external diameter; Black matrix cloth canopy 8 underframe sizes are greater than observation window 12.
Be vertically installed with riser guide 10 on the above base 3 upper water flat board, it is provided with and horizontally rotates drive motor 7, and this motor is connected with black matrix cloth canopy 8 underframes, can drive black matrix cloth canopy 8 and horizontally rotate around riser guide 10.Also be provided with VTOL (vertical take off and landing) driving-belt 13 and VTOL (vertical take off and landing) drive motor 6 on the riser guide 10, VTOL (vertical take off and landing) driving-belt 13 is connected by the end face of linking arm with black matrix cloth canopy 8, can drive black matrix cloth canopy 8 end faces and do vertical displacement movement, thereby make the cylinder of black matrix cloth canopy 8 vertically flexible.
Thus, first state (compressive state) of black matrix cloth canopy 8 is by being rotated in outside the base 3 with being connected of riser guide 10 as shown in Figure 1.Second state of black matrix cloth canopy 8 is that 180 ° of driven rotary by horizontally rotating drive motor 7 are to base 3 upper water flat boards, black matrix cloth canopy 8 bottom frameworks cover on the observation window 12 of the upper water flat board of base 3 wherein, be provided with apron around black matrix cloth canopy 8 underframes, apron covers on the leveling board of upper strata in case leak-stopping light.The third state (extended state) of black matrix cloth canopy 8 is on the basis of second state, drive by VTOL (vertical take off and landing) drive motor 6, the central through hole of its end face puts thermal imaging system, and just the camera lens of thermal imaging system inserts in the black matrix cloth canopy, as shown in Figure 2 by the end face through hole.
The black matrix cloth canopy 8 of surveying instrument of the present invention is three conversions fast from state one to state, in 0.7 second time, finished of the action of first state rapidly to the third state, thereby property performance period cover and leave the measured target thing, obtain cold, two kinds of environment irradiance of normal temperature (heat) information fast.
The action of each drive motor described in the surveying instrument of the present invention, and the collection of 1 pair of data of thermal imaging system and record are controlled under the demand of emissivity measurement model by computer system 11 and to be finished.Specifically, the motor 14 that moves horizontally that described drives drawer formula pallet 4 moves horizontally is advanced and the action of shifting out by computer system 11 its levels of control, realizes that measured target thing and reference plate alternately enter the observation visual field of thermal imaging system 1; VTOL (vertical take off and landing) motor 6 and the action that horizontally rotates motor 7 be by computer system 11 controls, realize black matrix cloth canopy 8 horizontally rotate and flexible; Described thermal imaging system 1 by computer system 11 control to the frequency acquisition of data, time etc. and to the actions such as record of data.
The concrete measuring operation flow process of surveying instrument of the present invention is:
1. be in the third state when black matrix cloth canopy, be enclosed within on the thermal imaging system camera lens as initial state with its end face, this moment reference plate under the black matrix cloth canopy that is positioned at the observation visual field, the computer system control thermal imaging system is image data for the first time; Thermal imaging system is gathered black matrix and the heat radiation of accurate lean type emission and the normal temperature environment radiation (cold emission with respect to sky also can be called the thermal environment radiation) of reflection black matrix cloth canopy on the reference plate, goes out the radiant illumination of normal temperature environment by model inversion;
2. after image data finishes, move horizontally motor by computer system control reference plate is extracted out, the thermal imaging system that measured target thing (sample) is under the normal temperature radiation environment is observed in the visual field;
3. by the computer system control thermal imaging system image data second time, thermal imaging system is gathered the emission of thermal radiation of object and is reflected the heat radiation of the normal temperature environment radiant illumination of black matrix cloth cloth canopy;
4. after image data finishes, by computer system control VTOL (vertical take off and landing) motor with horizontally rotate motor, cylinder contraction whereabouts and black matrix cloth canopy Rotate 180 ° two sequence of movement of black matrix cloth canopy are carried out, and responsiveness was finished within 0.7 second, and this moment, black matrix cloth canopy was in first state; The measured target thing is positioned at the thermal imaging system observation visual field under the vault of heaven cold emission environment;
5. by computer system control thermal imaging system image data for the third time, the measured target thing is under the cold environment irradiance of the vault of heaven, and thermal imaging system is gathered the heat radiation of the radiant illumination of the heat radiation of object and reflection sky cold environment;
6. after image data finishes, move horizontally motor by computer system control reference plate is advanced base, the thermal imaging system that reference plate is under the cold emission environment is observed in the visual field;
7. by the 4th image data of computer system control thermal imaging system, thermal imaging system is gathered black matrix and the emission of thermal radiation of accurate lean type and the cold environment radiation in reflection the vault of heaven on the reference plate once more, so far finishes a collection period process;
8. recover initial state afterwards: by the computer system control motor black matrix cloth canopy is horizontally rotated with two sequence of movement of vertical stretching and carry out, this process is not sought quickness to speed, but wants exactly; When apical pore is enclosed within on the thermal imaging system camera lens again on the black matrix cloth canopy, black matrix cloth canopy by first recovering state to the third state;
9, calculate by the emissivity Two dimensional Distribution value that computer system utilizes described inverting, model, formula etc. to finish the measured target thing.
Claims (10)
1. the surveying instrument of emissivity Two dimensional Distribution and yardstick thereof conversion comprises: thermal imaging system [1], thermal imaging system support [2] and base [3], it is characterized in that: described base [3] comprises the two-layer leveling board up and down that is supported by vertical pillars [9], be placed with object pallet [5] on its lower layer of water flat board, have observation window [12] in the middle of the upper water flat board, between lower layer of water flat board and upper water flat board, be horizontally disposed with drawer type tray [4], be placed with reference plate on it; Observation window [12] next door of base [3] upper water flat board is vertically installed with thermal imaging system support [2], and thermal imaging system support [2] top is provided with thermal imaging system [1], and the camera lens of thermal imaging system [1] is vertically downward over against observation window [12]; Described surveying instrument includes black matrix cloth canopy [8], and black matrix cloth canopy [8] is a column structure, comprises end face, underframe and scalable cylinder, and its cylinder inside surface is lined with the black light-proof material, and its end face center has the through hole that the aperture is slightly larger than thermal imaging system camera lens external diameter; Black matrix cloth canopy [8] underframe size is greater than observation window [12]; Be vertically installed with riser guide [10] on base [3] the upper water flat board, it is provided with and horizontally rotates drive motor [7], and this motor is connected with black matrix cloth canopy [8] underframe, can drive black matrix cloth canopy [8] and horizontally rotate around riser guide [10]; Riser guide [10] is provided with VTOL (vertical take off and landing) driving-belt [13] and VTOL (vertical take off and landing) drive motor [6], VTOL (vertical take off and landing) driving-belt [13] is connected with black matrix cloth canopy [8] end face by linking arm, can drive black matrix cloth canopy [8] end face and do vertical displacement movement, thereby the cylinder of black matrix cloth canopy [8] can vertically be stretched; First state of black matrix cloth canopy [8] be by be rotated in being connected of riser guide [10] outside the base [3], second state of black matrix cloth canopy [8] is to arrive on base [3] the upper water flat board by the driven rotary that horizontally rotates drive motor [7], and black matrix cloth canopy [8] underframe covers on observation window [12] wherein; The third state of black matrix cloth canopy [8] is on the basis of second state, and by the drive of VTOL (vertical take off and landing) drive motor [6], its end face rises to thermal imaging system [1], and the camera lens of thermal imaging system [1] inserts in the center pit of black matrix cloth canopy [8] end face.
2. surveying instrument according to claim 1 is characterized in that: black matrix cloth canopy [8] is the cube rod body structure, and the level of its end face and underframe is shaped as rectangle.
3. surveying instrument according to claim 1 is characterized in that: the black light-proof material of described black matrix cloth canopy [8] cylinder inner surface lining is the black flannelette.
4. surveying instrument according to claim 1, it is characterized in that: be provided with apron around described black matrix cloth canopy [8] underframe, when the observation window [12] that covers on base [3] upper water flat board when the underframe of black matrix cloth canopy [8] was gone up, apron covered on base [3] the upper water flat board in case leak-stopping light.
5. surveying instrument according to claim 1 is characterized in that: described reference plate upper surface is coated with black matrix material and accurate lean type material at interval.
6. surveying instrument according to claim 4 is characterized in that: described black matrix material is unglazed black matrix lacquer or deceives flannelette; Described accurate lean type material is the inferior light aluminium sheet of no direct reflection.
7. surveying instrument according to claim 1 is characterized in that: described drawer type tray moves horizontally driven by motor by one, can level advance and shift out base.
8. surveying instrument according to claim 1 is characterized in that: describedly horizontally rotate drive motor [6] to drive the angle that black matrix cloth canopy [8] horizontally rotates be 180 °.
9. according to each described surveying instrument of claim 1～8, it is characterized in that: the action of described each drive motor, thermal imaging system [1] are finished by computer system [11] control the collection and the record of data.
10. the measuring method of emissivity Two dimensional Distribution and yardstick thereof conversion is characterized in that:
(1) this method is utilized the cold emission source of the vault of heaven average radiation as object;
(2) this method is utilized the normal temperature radiation source of black matrix cloth canopy inside surface as observed object, horizontally rotates periodically fast with vertical stretching by black matrix cloth canopy object alternately is in the environment in normal temperature radiation source and cold emission source;
(3) this method is with the thermal imaging system of the non-refrigeration thermographic determination sensor of infrared radiation temperature Two dimensional Distribution as object;
(4) this method utilizes above-mentioned thermal imaging system under the environment of above-mentioned normal temperature and cold emission source alternate, the thermography of the Two dimensional Distribution of the infrared radiation temperature of mensuration black matrix plate and accurate lean type plate is according to the reflected radiation of black matrix plate and accurate lean type plate and the irradiance under computation model difference inverting normal temperature radiation source and the cold emission source environment thereof;
(5) this method utilizes above-mentioned thermal imaging system under the environment of above-mentioned normal temperature and cold emission source alternate, measures the thermography of the Two dimensional Distribution of object infrared radiation temperature;
(6) this method utilizes the mensuration of thermal imaging system to obtain four kinds of data: a. the vault of heaven is a main body, it is the irradiance in cold emission source, b. the irradiance of black matrix cloth canopy inside surface, c. be the thermography of Two dimensional Distribution of infrared radiation temperature of the object of cold emission source environment with the vault of heaven, d. is the thermography of Two dimensional Distribution of infrared radiation temperature of the object of normal temperature radiation source environment with black matrix cloth canopy; These data are got off by computer recording, utilize related software to calculate again and inverting, draw the accurate emissivity Two dimensional Distribution of measured target thing measured value.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338763A (en) * | 2011-06-02 | 2012-02-01 | 北京工业大学 | Device for detecting microelectronic packaging structure defects by infrared thermal imaging method |
| CN107764412A (en) * | 2017-11-27 | 2018-03-06 | 国网河南省电力公司电力科学研究院 | A kind of environment temperature object of reference Sign Board applied to power system infrared detection |
| CN108981922A (en) * | 2018-07-12 | 2018-12-11 | 中国科学院国家空间科学中心 | A kind of microwave black body emissivity measuring device and measuring method |
| CN109286739A (en) * | 2018-08-07 | 2019-01-29 | 国网上海市电力公司 | The generation method of thermal imagery file creating apparatus and thermal imagery file |
| CN110702232A (en) * | 2019-10-11 | 2020-01-17 | 河海大学 | Device and method for testing emissivity of pavement material |
| CN113567419A (en) * | 2021-08-11 | 2021-10-29 | 吉林大学 | Experimental observation method and measurement device for high-temperature target spectral emissivity |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1101933C (en) * | 1999-03-30 | 2003-02-19 | 中国科学院地理研究所 | Stray heat radiation source body direction specific radiation rate measuring method and its instrument |
| CN2360848Y (en) * | 1999-03-30 | 2000-01-26 | 中国科学院地理研究所 | Collimation heat radiation source object direction emissivity measurer |
| CN2360849Y (en) * | 1999-03-30 | 2000-01-26 | 中国科学院地理研究所 | Oiffusion heat radiation source object direction emissivity measurer |
| CN1101932C (en) * | 1999-03-30 | 2003-02-19 | 中国科学院地理研究所 | Collimated heat radiation source body directional specific radiation rate measuring method and its instrument |
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2008
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338763A (en) * | 2011-06-02 | 2012-02-01 | 北京工业大学 | Device for detecting microelectronic packaging structure defects by infrared thermal imaging method |
| CN102338763B (en) * | 2011-06-02 | 2013-06-12 | 北京工业大学 | Device for detecting microelectronic packaging structure defects by infrared thermal imaging method |
| CN107764412A (en) * | 2017-11-27 | 2018-03-06 | 国网河南省电力公司电力科学研究院 | A kind of environment temperature object of reference Sign Board applied to power system infrared detection |
| CN108981922A (en) * | 2018-07-12 | 2018-12-11 | 中国科学院国家空间科学中心 | A kind of microwave black body emissivity measuring device and measuring method |
| CN109286739A (en) * | 2018-08-07 | 2019-01-29 | 国网上海市电力公司 | The generation method of thermal imagery file creating apparatus and thermal imagery file |
| CN110702232A (en) * | 2019-10-11 | 2020-01-17 | 河海大学 | Device and method for testing emissivity of pavement material |
| CN113567419A (en) * | 2021-08-11 | 2021-10-29 | 吉林大学 | Experimental observation method and measurement device for high-temperature target spectral emissivity |
| CN113567419B (en) * | 2021-08-11 | 2022-12-23 | 吉林大学 | Experimental observation method and measurement device for high-temperature target spectral emissivity |
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| CN101458123B (en) | 2010-06-23 |
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