CN103674260B - Two black matrix case tempered water bath emissivity measurer and assay method thereof - Google Patents
Two black matrix case tempered water bath emissivity measurer and assay method thereof Download PDFInfo
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Abstract
The invention discloses a kind of two black matrix case tempered water bath emissivity measurer and assay method thereof, described analyzer comprises two black matrix casees, water-bath controller (15), infrared thermometer and pallet (20), is provided with quill shaft (10) between described two black matrix casees; Described water-bath controller (15) is connected with water-supply-pipe (13), connect water-supply-pipe (13) from below to up through described quill shaft (10), then be connected with the Inlet and outlet water interface (14) of one of them black matrix case, two black matrix casees are respectively containing a black matrix cylinder, the end face of each black matrix cylinder and sealing at observation port place between the end face of bottom surface and incubator residing for it and bottom surface, sealing place has certain thickness, allows water pass through.On the end face of described two black matrix casees and two black matrix cylinders and bottom surface, same position place is equipped with the completely equal observation circular hole of diameter.By the temperature changing analyzer controlled temperature cabinet, assay method of the present invention show that many group equation with two unknowns groups measure emissivity and obtain best thermal source, the reliability of measurement is high, can also realize the mensuration of blackbody calibration and indoor and outdoors.
Description
Technical field
The present invention relates to a kind of quantitative remote sensing analyzer and assay method thereof, specifically, the present invention relates to a kind of multi-functional thermal infrared remote sensing emissivity measurer and assay method thereof.
Background technology
Body surface temperature is the energy value of object interface molecule mean motion, and it depends primarily on following three parameters: surperficial emergent radiation degree, ambient irradiation degree and emissivity.Object emissivity represents the thermal-radiating ability of object emission, atural object surface temperature be determined at many scientific researches and application has vital role, accurately measure the true temperature that emissivity can obtain topographical surface feature.Existing emissivity measuring technique solves emissivity mainly through conversion radiation source.Such as Chinese invention patent CN1464297 discloses a kind of Portable emissivity measurer and assay method thereof, it has the semi-enclosed cavity of V-shape, this cavity two one end to top set lead to installation infrared temperature analyzer on light mouth, described analyzer utilizes the sky downlink radiation of 45 degree of zenith angles (also can be described as sky cold emission) (to refer to " Quantitative Thermal Infrared Remote Sensing model and ground experiment basis " the 3rd chapter with the switching of room temperature radiation (i.e. the heat radiation of V-shape cavity), Zhang Renhua work, 2009, Science Press), under twice ambient irradiation degree, build an equation with two unknowns group calculate emissivity.Above-mentioned emissivity measurer can only utilize sky cold emission source to measure in the wild; Can only obtain a kind of Incidence heat radiation power, the relation according to an equation with two unknowns group calculates emissivity, and the acquisition of optimal heat radiation source intensity needs its dynamic change to contrast the analysis data of emissivity measurement precision and degree of stability impact.
Summary of the invention
In order to improve the measuring accuracy of existing emissivity measurer, the invention provides a kind of two black matrix case tempered water bath emissivity measurer, utilize and alternately irradiate measured object higher than the radiation source under the adjustable constant temperature environment of room temperature and stable room temperature environment, build following linear equation in two unknowns group:
M
1=εB+(1-ε)E
1
M
2=εB+(1-ε)E
2
In formula, ε is emissivity, usually at least determines an emissivity and measures ε
1value, M
1for room temperature case, refer to that the object under cold environment goes out radiancy, M
2for controlled temperature cabinet, refer to that the object under thermal environment goes out radiancy, E
1for room temperature case radiant illumination, refer to cold environment radiant illumination, E
2for controlled temperature cabinet radiant illumination, refer to thermal environment radiant illumination, B is that the black matrix of object goes out radiancy.Going out radiancy is energy unit, differs a coefficient with 4 powers of temperature, is not same concept.But in order to make problem directly perceived, usually suppose by temperature.
, above calculating formula hypothesis is when quick handoff environment irradiance, and B does not significantly change, practical studies repeatedly prove above suppose to set up (refer to " Quantitative Thermal Infrared Remote Sensing model and ground experiment basis " the 3rd chapter, Zhang Renhua work, 2009, Science Press).Of the present invention pair of black matrix case tempered water bath emissivity measurer is adopted to obtain room temperature respectively and higher than the M at the controlled temperature cabinet temperature of room temperature
1, M
2, E
1, E
2value, calculate the value of emissivity ε.By the temperature of change controlled temperature cabinet, many group equation with two unknowns groups can be drawn, realize the acquisition of optimal heat radiation source intensity.
In addition, of the present invention pair of black matrix case tempered water bath emissivity measurer also has the function of blackbody calibration, namely by bottomless for infrared thermometer close alignment little inverted cone being measured the temperature of water-bath residing for circular cone, bath temperature is regulated by temperature adjustment water tank, and then verifies infrared thermometer.
One of the present invention two black matrix case tempered water bath emissivity measurer, it comprises two black matrix casees, water-bath controller 15, infrared thermometer and pallet 20, be provided with quill shaft 10 between described two black matrix casees, two black matrix casees rotate around quill shaft 10 with dislocation.Two black matrix casees are rotated by quill shaft 10, reach the position not changing measured object and the object that can switch the varying environment radiant illumination of measured object fast, are more suitable for immovable atural objects such as field measuring soil, vegetation.
Described water-bath controller 15 is connected with water-supply-pipe 13, connect water-supply-pipe 13 from below to up through described quill shaft 10, be then connected with the Inlet and outlet water interface 14 of one of them black matrix case, this black matrix case is controlled temperature cabinet 2, and another black matrix case is room temperature case 1.Under above-mentioned connected mode can realize the state be connected with controlled temperature cabinet at water-supply-pipe, two black matrix casees still can be made to revolve turnback to change the position of controlled temperature cabinet and room temperature case around quill shaft.
Respectively a black matrix cylinder is contained in described controlled temperature cabinet 2 and room temperature case 1, what be wherein positioned at controlled temperature cabinet 2 is temperature adjustment black matrix cylinder 5, what be positioned at room temperature case 1 is room temperature black matrix cylinder 4, seal between the observation port of the end face of each black matrix cylinder and the end face of bottom surface and incubator residing for it and the observation port of bottom surface, the groove that the outer tube wall of described black matrix cylinder and the internal perisporium of its black matrix case are formed is the water bath of black matrix case;
On the end face of described controlled temperature cabinet 2, room temperature case 1, temperature adjustment black matrix cylinder 5 and room temperature black matrix cylinder 4 and bottom surface, same position place is equipped with the completely equal observation circular hole of diameter, the end face of described room temperature case 1 and the observation circular hole of bottom surface are room temperature case observation circular hole 7, and the end face of described controlled temperature cabinet 2 and the observation circular hole of bottom surface are controlled temperature cabinet observation circular hole 8.When said structure makes in the observation circular hole of described one of them black matrix case of infrared thermometer close alignment, its camera lens can aim at the observation circular hole of each end face and bottom surface in same casing simultaneously, to observe the measured object on the pallet under bottom surface observation circular hole.
The end face of described two black matrix casees is equipped with two bottomless inverted cone 3 and 6, the unglazed black matrix paint of wall spraying inside and outside described circular cone, to reduce the error that bath temperature measured by infrared thermometer.
Described temperature adjustment black matrix cylinder 5 and room temperature black matrix cylinder 4 are for there being the black matrix cylinder of end face and bottom surface, the end face of the black matrix cylinder barrel of described end face and bottom surface and the end face of bottom surface and its place black matrix case and bottom surface are tightly connected at observation port place and have certain thickness, water between two end faces and two bottom surfaces can be passed through, special instruction, because black matrix cylinder end face is dome-shaped, quite distance between two end faces, is had to hold circulating water.
Described room temperature case 1 on same height-adjustable bracket 9, is conducive to this analyzer also field measuring with controlled temperature cabinet 2, is namely measured highly with crops and the meadow of growth cycle change by adjustable bracket.
Described pallet 20 is supported by moveable tripod 21, and this pallet is for placing determinand.The end face of described controlled temperature cabinet 2 is made up of poly (methyl methacrylate) plate, so that change in inspection box at any time in experimentation.
Present invention also offers a kind of method using aforementioned pair of black matrix case tempered water bath emissivity measurer mensuration emissivity, it is characterized in that comprising the following steps:
A, measurement room temperature, open water-bath controller 15, bath temperature is set in more than room temperature, and beyond this water-bath controller 15, water is pumped into controlled temperature cabinet 2 by water pump and water-supply-pipe 13, to keep controlled temperature cabinet temperature consistent with the temperature of water-bath in water-bath controller by recycle design.After temperature stabilization in controlled temperature cabinet 2, by bottomless inverted cone 3 black matrix of infrared thermometer camera lens close alignment room temperature case 1 end face, read room temperature case 1 temperature, i.e. room temperature case 1 radiant illumination E
1;
B, controlled temperature cabinet 2 and room temperature case 1 are rotated 180 ° with dislocation around quill shaft 10, by bottomless inverted cone 6 black matrix of infrared thermometer camera lens close alignment controlled temperature cabinet 2 end face, read controlled temperature cabinet 2 temperature, i.e. controlled temperature cabinet 2 radiant illumination E
2;
C, put into determinand by the pallet 20 on tripod 21, and make determinand aim at the room temperature case observation circular hole 7 of room temperature case 1 bottom surface, the room temperature case of close alignment room temperature case 1 end face while of infrared thermometer camera lens and bottom surface is observed circular hole 7, show that the object of room temperature case 1 goes out radiancy M
1;
D, maintenance pallet 20 invariant position, rotate 180 ° with dislocation by controlled temperature cabinet 2 and room temperature case 1 around quill shaft 10, the controlled temperature cabinet of close alignment controlled temperature cabinet 2 end face while of infrared thermometer and bottom surface observed circular hole 8, show that the object of controlled temperature cabinet 2 goes out radiancy M
2;
E, the system of equations formed according to above-mentioned 4 readings, solve emissivity and measure ε
1value.
Above-mentioned steps A ~ E can be called measuring phases, namely respectively with room temperature case radiation (cold emission) and controlled temperature cabinet radiation (heat radiation) for radiation source, measure emissivity.
In above-mentioned steps A ~ E, the temperature of described controlled temperature cabinet 2 is at least high than the temperature of described room temperature case 1 13 DEG C.
In addition, before described steps A, also comprise the step of verification infrared thermometer, can be described as the preparatory stage:
By the bottomless inverted cone 3 of infrared thermometer close alignment room temperature case 1 end face, the temperature of contrast infrared thermometer display and ambient temperature;
Two black matrix casees are rotated with the position of changing two casees around quill shaft 10, then by the bottomless inverted cone 6 of infrared thermometer close alignment controlled temperature cabinet 2 end face, the temperature of contrast infrared thermometer display and the temperature of water-bath controller 15;
By above-mentioned contrast infrared thermometer being measured to temperature and room temperature and bath temperature, infrared thermometer is verified.
In the above-mentioned methods, after described step e, also comprise and change the step that controlled temperature cabinet 2 temperature repeatedly measures emissivity again:
The temperature of the described controlled temperature cabinet of continuous change 2 also keeps controlled temperature cabinet 2 temperature higher than the temperature of described room temperature case 1 more than 13 DEG C, after temperature stabilization in controlled temperature cabinet 2, repeats steps A ~ E, and the emissivity solving corresponding different controlled temperature cabinet 2 temperature measures ε
nvalue, n>=2, contrast different emissivity measured value and solve end value.
A kind of pair of black matrix case tempered water bath emissivity measurer of the present invention draws many group equation with two unknowns groups by the temperature changing controlled temperature cabinet, the emissivity reliability measured is high, the function of blackbody calibration (namely infrared thermometer being verified) is realized, by the mensuration that the support of height can be regulated to facilitate indoor and outdoors by the bottomless inverted cone on controlled temperature cabinet and room temperature case top.
Accompanying drawing explanation
Fig. 1 is the vertical view of two black matrix case tempered water bath emissivity measurer.
Fig. 2 is the side view of two black matrix case tempered water bath emissivity measurer.
Description of reference numerals:
1-room temperature case, 2-controlled temperature cabinet, 3, the bottomless inverted cone of 6-, 4-room temperature black matrix cylinder, 5-temperature adjustment black matrix cylinder, 7-room temperature case observation circular hole, 8-controlled temperature cabinet observation circular hole, 9-bracket, 10-quill shaft, the two case of 11-rotates rectangle pallet height adjustable column, the two case of 12-rotates rectangle tray support frame, 13-water-supply-pipe, 14-Inlet and outlet water interface, 15-water-bath controller, 16-water-bath type calibration cell Inlet and outlet water interface, 17-water-bath controller regulation and control display, 18-water-bath type calibration cell tank lid, 19-infrared thermometer support bar, 20-pallet, 21-tripod, 23-water-bath controller bracing frame, 24-vent port
Embodiment
Below in conjunction with embodiment, further illustrate the present invention.
One of the present invention two black matrix case tempered water bath emissivity measurer, it comprises two black matrix casees, water-bath controller 15, infrared thermometer and pallet 20, be provided with quill shaft 10 between described two black matrix casees, two black matrix casees rotate around quill shaft 10 with dislocation.
Described water-bath controller 15 is connected with water-supply-pipe 13, connect water-supply-pipe 13 from below to up through described quill shaft 10, be then connected with the Inlet and outlet water interface 14 of one of them black matrix case, this black matrix case is controlled temperature cabinet 2, and another black matrix case is room temperature case 1.
Respectively a black matrix cylinder is contained in described controlled temperature cabinet 2 and room temperature case 1, what be wherein positioned at controlled temperature cabinet 2 is temperature adjustment black matrix cylinder 5, what be positioned at room temperature case 1 is room temperature black matrix cylinder 4, the end face of each black matrix cylinder and sealing at observation port place between the end face of bottom surface and incubator residing for it and bottom surface, the groove that the outer tube wall of described black matrix cylinder and the internal perisporium of its black matrix case are formed is the water bath of black matrix case;
On the end face of described controlled temperature cabinet 2, room temperature case 1, temperature adjustment black matrix cylinder 5 and room temperature black matrix cylinder 4 and bottom surface, same position place is equipped with the completely equal observation circular hole of diameter, the end face of described room temperature case 1 and the observation circular hole of bottom surface are room temperature case observation circular hole 7, and the end face of described controlled temperature cabinet 2 and the observation circular hole of bottom surface are controlled temperature cabinet observation circular hole 8.
The end face of described two black matrix casees is equipped with two bottomless inverted cone 3 and 6, the unglazed black matrix paint of wall spraying inside and outside described circular cone, to reduce the error that bath temperature measured by infrared thermometer.
Described temperature adjustment black matrix cylinder 5 and room temperature black matrix cylinder 4 for there being the black matrix cylinder of end face and bottom surface, described in have the end face of the black matrix cylinder barrel of end face and bottom surface and the end face of bottom surface and its place black matrix case and bottom surface to be tightly connected at observation port place.
Described room temperature case 1 is with controlled temperature cabinet 2 on same height-adjustable bracket 9, and described pallet 20 is supported by moveable tripod 21, and the end face of described controlled temperature cabinet 2 is made up of poly (methyl methacrylate) plate.
Use above-mentioned pair of black matrix case tempered water bath emissivity measurer to measure emissivity, specifically comprise the following steps:
A, measurement room temperature, open water-bath controller 15, bath temperature is set in more than room temperature, the temperature of described controlled temperature cabinet 2 is at least high than the temperature of described room temperature case 1 13 DEG C.Beyond this water-bath controller 15, water is pumped into controlled temperature cabinet 2 by water pump and water-supply-pipe 13, to keep controlled temperature cabinet temperature consistent with the temperature of water-bath in water-bath controller by recycle design.After temperature stabilization in controlled temperature cabinet 2, by bottomless inverted cone 3 black matrix of infrared thermometer camera lens close alignment room temperature case 1 end face, read room temperature case 1 temperature, i.e. room temperature case 1 radiant illumination E
1;
B, controlled temperature cabinet 2 and room temperature case 1 are rotated 180 ° with dislocation around quill shaft 10, by bottomless inverted cone 6 black matrix of infrared thermometer camera lens close alignment controlled temperature cabinet 2 end face, read controlled temperature cabinet 2 temperature, i.e. controlled temperature cabinet 2 radiant illumination E
2;
C, put into determinand by the pallet 20 on tripod 21, and make determinand aim at the room temperature case observation circular hole 7 of room temperature case 1 bottom surface, the room temperature case of close alignment room temperature case 1 end face while of infrared thermometer camera lens and bottom surface is observed circular hole 7, show that the object of room temperature case 1 goes out radiancy M
1;
D, maintenance pallet 20 invariant position, rotate 180 ° with dislocation by controlled temperature cabinet 2 and room temperature case 1 around quill shaft 10, the controlled temperature cabinet of close alignment controlled temperature cabinet 2 end face while of infrared thermometer and bottom surface observed circular hole 8, show that the object of controlled temperature cabinet 2 goes out radiancy M
2;
E, the system of equations formed according to above-mentioned 4 readings, solve emissivity and measure ε
1value.
Above-mentioned steps A ~ E can be called measuring phases, namely respectively with room temperature case radiation (cold emission) and controlled temperature cabinet radiation (heat radiation) for radiation source, measure emissivity.
In addition, before described steps A, also comprise the step of verification infrared thermometer, can be described as the preparatory stage:
By the bottomless inverted cone 3 of infrared thermometer close alignment room temperature case 1 end face, the temperature of contrast infrared thermometer display and ambient temperature;
Two black matrix casees are rotated with the position of changing two casees around quill shaft 10, then by the bottomless inverted cone 6 of infrared thermometer close alignment controlled temperature cabinet 2 end face, the temperature of contrast infrared thermometer display and the temperature of water-bath controller 15;
By above-mentioned contrast infrared thermometer being measured to temperature and room temperature and bath temperature, infrared thermometer is verified.
In the above-mentioned methods, after described step e, also comprise and change the step that controlled temperature cabinet 2 temperature repeatedly measures emissivity again:
The temperature of the described controlled temperature cabinet of continuous change 2 also keeps controlled temperature cabinet 2 temperature higher than the temperature of described room temperature case 1 more than 13 DEG C, after temperature stabilization in controlled temperature cabinet 2, repeats steps A ~ E, and the emissivity solving corresponding different controlled temperature cabinet 2 temperature measures ε
nvalue, n>=2, contrast different emissivity measured value and solve end value.
Claims (9)
1. a two black matrix case tempered water bath emissivity measurer, is characterized in that:
Described analyzer comprises two black matrix casees, water-bath controller (15), infrared thermometer and pallet (20), be provided with quill shaft (10) between described two black matrix casees, two black matrix casees rotate around quill shaft (10) with dislocation; Described two black matrix casees comprise for room temperature case (1) and controlled temperature cabinet (2), respectively a black matrix cylinder is contained in described controlled temperature cabinet (2) and room temperature case (1), what be wherein positioned at controlled temperature cabinet (2) is temperature adjustment black matrix cylinder (5), what be positioned at room temperature case (1) is room temperature black matrix cylinder (4), and the groove that the barrel of described black matrix cylinder and the perisporium of its black matrix case are formed is the water bath of black matrix case;
Described water-bath controller (15) is connected with a pair water-supply-pipe (13), a pair connect water-supply-pipe (13) from below to up through described quill shaft (10), then be connected with 2 Inlet and outlet water interfaces (14) of one of them black matrix case respectively, it is completely equal that the upper same position place of described controlled temperature cabinet (2), room temperature case (1) is equipped with diameter, and the through observation circular hole of end face and bottom surface, the observation circular hole of described room temperature case (1) is room temperature case observation circular hole (7), and the observation circular hole of described controlled temperature cabinet (2) is controlled temperature cabinet observation circular hole (8).
2. one according to claim 1 two black matrix case tempered water bath emissivity measurer, is characterized in that:
The end face of described two black matrix casees is equipped with two bottomless inverted cone (3,6), the unglazed black matrix paint of wall spraying inside and outside described inverted cone.
3. one according to claim 1 and 2 two black matrix case tempered water bath emissivity measurer, is characterized in that:
Described temperature adjustment black matrix cylinder (5) and the end face of room temperature black matrix cylinder (4) and seal between the end face of bottom surface and incubator residing for it and bottom surface, and the end face of each black matrix cylinder barrel and the end face of bottom surface and its place black matrix case and bottom surface are tightly connected at observation port place
4. one according to claim 1 and 2 two black matrix case tempered water bath emissivity measurer, is characterized in that:
Described room temperature case (1) and controlled temperature cabinet (2) are on same height-adjustable bracket (9);
Described pallet (20) is supported by moveable tripod (21).
5. one according to claim 1 and 2 two black matrix case tempered water bath emissivity measurer, is characterized in that:
The end face of described controlled temperature cabinet (2) is made up of poly (methyl methacrylate) plate.
6. use the two black matrix case tempered water bath emissivity measurers as described in aforementioned any one claim to measure a method for emissivity, it is characterized in that comprising the following steps:
The temperature of A, measuring chamber incubator (1): measure room temperature, open water-bath controller (15), bath temperature is set in more than room temperature, beyond this water-bath controller (15), water is injected controlled temperature cabinet (2) by water pump and water-supply-pipe (13) by recycle design, after temperature stabilization in controlled temperature cabinet (2), by bottomless inverted cone (3) black matrix of infrared thermometer camera lens close alignment room temperature case (1) end face, read room temperature case (1) temperature, i.e. room temperature case (1) radiant illumination E
1;
The temperature of B, measurement controlled temperature cabinet (2): controlled temperature cabinet (2) and room temperature case (1) are rotated 180 ° with dislocation around quill shaft (10), by bottomless inverted cone (6) black matrix of infrared thermometer camera lens close alignment controlled temperature cabinet (2) end face, read controlled temperature cabinet (2) temperature, i.e. controlled temperature cabinet (2) radiant illumination E
2;
The radiancy of C, measuring chamber incubator (1) object: put into determinand by the pallet (20) on tripod (21), and make determinand aim at room temperature case observation circular hole (7) of room temperature case (1) bottom surface, the room temperature case of close alignment room temperature case (1) the end face while of infrared thermometer camera lens and bottom surface is observed circular hole (7), show that the object of room temperature case (1) goes out radiancy M
1;
The radiancy of D, measurement controlled temperature cabinet (2) object: keep pallet (20) invariant position, controlled temperature cabinet (2) and room temperature case (1) are rotated 180 ° with dislocation around quill shaft (10), the controlled temperature cabinet of close alignment controlled temperature cabinet (2) the end face while of infrared thermometer and bottom surface is observed circular hole (8), show that the object of controlled temperature cabinet (2) goes out radiancy M
2;
E, to show that according to the radiancy in steps A-D emissivity measures ε
1value.
7. a kind of method measuring emissivity according to claim 6, is characterized in that:
The temperature of described controlled temperature cabinet (2) is at least high 13 DEG C than the temperature of described room temperature case (1).
8. a kind of method measuring emissivity according to claim 6 or 7, is characterized in that:
Before described steps A, also comprise the step of verification infrared thermometer:
By the bottomless inverted cone (3) of infrared thermometer close alignment room temperature case (1) end face, the temperature of contrast infrared thermometer display and ambient temperature;
Two black matrix casees are rotated with the position of changing two casees around quill shaft (10), again by the bottomless inverted cone (6) of infrared thermometer close alignment controlled temperature cabinet (2) end face, the temperature of contrast infrared thermometer display and the temperature of water-bath controller (15);
By temperature and the ambient temperature of the display of contrast infrared thermometer, and, by the temperature of contrast infrared thermometer display and the temperature of water-bath controller (15), infrared thermometer is verified.
9. a kind of method measuring emissivity according to any one of claim 6 or 7, is characterized in that:
After described step e, also comprise and change the step that controlled temperature cabinet (2) temperature repeatedly measures emissivity again:
The temperature of the described controlled temperature cabinet of continuous change (2) also keeps controlled temperature cabinet (2) temperature higher more than 13 DEG C than the temperature of described room temperature case (1), after temperature stabilization in controlled temperature cabinet (2), repeat steps A ~ E, the emissivity solving corresponding different controlled temperature cabinet (2) temperature measures ε
nvalue, n>=2, contrast different emissivity measured value and solve end value.
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| CN106781430B (en) * | 2016-11-15 | 2020-11-20 | 北京空间机电研究所 | High-sensitivity infrared remote sensor performance testing device |
| CN112129415B (en) * | 2020-09-22 | 2023-05-12 | 云南电网有限责任公司电力科学研究院 | Transformer substation infrared temperature measurement device and method based on temperature dynamic calibration |
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|---|---|---|---|---|
| US4636091A (en) * | 1985-06-27 | 1987-01-13 | Exergen Corporation | Radiation detector having temperature readout |
| CN1598536A (en) * | 2003-09-18 | 2005-03-23 | 阿特莱斯材料检测技术有限公司 | Contactless measurement methode and device of the surface temperature of aging sample |
| CN201929948U (en) * | 2010-12-22 | 2011-08-17 | 中国计量科学研究院 | Cavity device of black body radiation source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07243915A (en) * | 1994-03-02 | 1995-09-19 | Nippon Steel Corp | Highly accurate temperature measuring method |
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2012
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636091A (en) * | 1985-06-27 | 1987-01-13 | Exergen Corporation | Radiation detector having temperature readout |
| CN1598536A (en) * | 2003-09-18 | 2005-03-23 | 阿特莱斯材料检测技术有限公司 | Contactless measurement methode and device of the surface temperature of aging sample |
| CN201929948U (en) * | 2010-12-22 | 2011-08-17 | 中国计量科学研究院 | Cavity device of black body radiation source |
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