CN106248255B - A kind of failure detection method of infrared thermometer and infrared thermometer - Google Patents
A kind of failure detection method of infrared thermometer and infrared thermometer Download PDFInfo
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- CN106248255B CN106248255B CN201610644466.4A CN201610644466A CN106248255B CN 106248255 B CN106248255 B CN 106248255B CN 201610644466 A CN201610644466 A CN 201610644466A CN 106248255 B CN106248255 B CN 106248255B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
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Abstract
The invention discloses a kind of infrared thermometers, including thermocouple cold junction, pyrometer fire-end, infrared window, reference emitter and detection circuit；Referring to emitter and cold thermocouple end in contact, it is movable to referring to emitter in front of the receiving plane of infrared window；Pyrometer fire-end is placed in front of the exit facet of infrared window；Detection circuit judges whether the infrared energy that pyrometer fire-end receives is reasonable according to the temperature and the pre-stored energy database referring to emitter of thermocouple cold junction, when the infrared energy that pyrometer fire-end receives is reasonable, infrared thermometer failure is determined.Correspondingly, the invention also discloses a kind of failure detection methods of infrared thermometer.The present invention may determine that whether infrared thermometer fails, and avoid measurement inaccuracy, and this mode is without waiting, also not need to increase power consumption.
Description
Technical field
The present invention relates to photodetection fields, and in particular to the failure detection side of a kind of infrared thermometer and infrared thermometer
Method.
Background technique
Infrared thermometer can quick, non-contacting measurement human body temperature, it is very easy to use.The sensing of infrared thermometer
Device is cascaded by a large amount of thermocouple, and thermocouple cold junction changes with thermometer housing temperature, and heat is equipped in detection circuit
The temperature of quick resistance measurement cold end；Pyrometer fire-end is connected with infrared receiver film, and reception film is sensitive to infrared energy,
Infrared energy is converted to temperature by detection circuit, after the temperature difference in thermocouple cold junction and hot end is converted into voltage signal, warp
Crossing signal processing can be obtained human body temperature.
Due to the infrared energy of human body radiation be through infrared window it is received by pyrometer fire-end, work as infrared temperature
Spend meter infrared window on attachment have an impact infrared ray transmission substance (such as spot) and user is unaware that it to body
When the influence of temperature measurement accuracy, the infra-red intensity decaying that infrared sensor receives will be a greater impact to infrared measurement of temperature result.
The prior art proposes one thermostat of design outside infrared window, and before normal thermometric, infrared thermometer is first surveyed
The temperature for measuring thermostat can issue cleaning warning, remind when the set temperature of measurement result and thermostat is inconsistent
User's cleaning temp meter.For inventor when implementing the present invention, discovery is above-mentioned, and the prior art is defective, and thermostat includes
The circuit modules such as fever, thermometric, feedback control, power consumption is larger, while while using needs the time that thermostat is waited to reach setting
Temperature.
Summary of the invention
The purpose of the present invention is to provide a kind of failure detection methods of infrared thermometer and infrared thermometer, work as infrared window
It is mouthful contaminated when causing measurement error, it can quickly determine that infrared thermometer fails, and do not need to increase power consumption.
To achieve the goals above, the present invention provides a kind of infrared thermometer, which is characterized in that including thermocouple cold junction,
Pyrometer fire-end, infrared window, reference emitter and detection circuit；
The reference emitter and the cold thermocouple end in contact, logical heat transfer make own temperature and the cold thermocouple
The temperature at end is consistent；In front of the receiving plane for being movable to the infrared window referring to emitter；The pyrometer fire-end is set
In front of the exit facet of the infrared window, the infrared energy referring to emitter transmitting passes through the infrared window quilt
The pyrometer fire-end receives；
Temperature and the pyrometer fire-end of the detection circuit for detecting the thermocouple cold junction receive red
External radiation energy；Sentenced according to the temperature of the thermocouple cold junction and the pre-stored energy database referring to emitter
Whether the infrared energy that the pyrometer fire-end receives that breaks is reasonable；When the infra-red radiation that the pyrometer fire-end receives
When energy is unreasonable, the infrared thermometer failure is determined.
The invention has the following beneficial effects:
The present invention is added to referring to emitter on infrared thermometer, removable referring to emitter and cold thermocouple end in contact
It moves to the receiving plane of infrared window, before using infrared thermometer, connecing for infrared window will be moved to referring to emitter
Side in face of receiving, make that pyrometer fire-end receives is the infrared energy referring to emitter, and the temperature of thermocouple cold junction is
For the temperature referring to emitter, therefore the actual temperature and infrared energy referring to emitter are obtained, according to being stored in advance
Reference emitter energy database, judge whether the infrared energy that pyrometer fire-end receives reasonable, it can be determined that
Whether infrared thermometer fails, and avoids measurement inaccuracy, and this mode is without waiting, does not also need to increase power consumption.
Further, the infrared thermometer further includes shaft, and the shaft, which passes through, described referring to emitter and to be fixed on
On the thermocouple cold junction, make in front of the receiving plane that can rotate to the infrared window referring to emitter.
Preferably, the infrared emission coefficient referring to emitter is less than 0.6.
Since the infrared emission coefficient of spot is generally higher than 0.8, the material using emission ratio less than 0.6 makes ginseng
Beam approved for distribution, when there is spot to influence measurement result on infrared window, infrared energy that pyrometer fire-end receives by
Influence can it is bigger, can be improved examine failure efficiency and accuracy.
Preferably, the thermal coefficient referring to emitter is greater than 200W/ (m*K).
The material of good heat conductivity more can guarantee that reference emitter is consistent with the temperature of thermocouple cold junction, guarantee the standard examined
True property.
Preferably, described to be made of copper referring to emitter.
Correspondingly, the present invention also provides a kind of failure detection methods of infrared thermometer, comprising:
The infrared energy received by the temperature and pyrometer fire-end of detection circuit detection thermocouple cold junction；
Judged according to the temperature of the thermocouple cold junction and the pre-stored energy database referring to emitter
Whether the infrared energy that the pyrometer fire-end receives is reasonable；
When the amount of infrared radiation that the pyrometer fire-end receives is unreasonable, the infrared thermometer failure is determined；
Wherein, the infrared temperature is calculated as above-mentioned infrared thermometer.
Further, the temperature according to the thermocouple cold junction and the pre-stored energy referring to emitter
Amount database judges whether the infrared energy that the pyrometer fire-end receives is reasonable, specifically includes:
The pre-stored energy database referring to emitter is inquired according to the temperature of the thermocouple cold junction, is obtained
Infrared energy corresponding with the temperature of the thermocouple cold junction；
Judge infrared energy that the pyrometer fire-end receives with inquire the energy database obtain it is infrared
Whether radiation energy matches；
If the infrared energy that the pyrometer fire-end receives and the infrared spoke that the inquiry energy database obtains
Energy mismatch is penetrated, then the infrared energy that the pyrometer fire-end receives is unreasonable.
Preferably, the energy database includes recording the temperature referring to emitter and with described referring to emitter
The corresponding infrared energy upper limit value of temperature temperature-upper energy curve, and record the temperature referring to emitter
And temperature-lower energy curve of infrared energy lower limit value corresponding with the reference temperature of emitter；
The temperature according to the thermocouple cold junction inquires the pre-stored energy database referring to emitter,
Infrared energy corresponding with the temperature of the thermocouple cold junction is obtained, is specifically included:
According to the temperature of the thermocouple cold junction, the temperature-upper energy curve is inquired, is obtained described referring to emitter
The thermocouple cold junction at a temperature of infrared energy upper limit value；
According to the temperature of the thermocouple cold junction, the temperature-lower energy curve is inquired, is obtained described referring to emitter
The thermocouple cold junction at a temperature of infrared energy lower limit value.
In a preferred approach, two temperature-energy curves: temperature-upper energy curve, temperature are stored in energy database
Degree-lower energy curve.The beneficial effect referring to the temperature of emitter and the corresponding relationship of energy is stored using temperature-energy curve
Fruit is that all temperature within a reasonable temperature range can inquire corresponding energy, and accuracy is higher；And not
It under synthermal, can be changed referring to the emission ratio of emitter, the variation with emission ratio can accurately be reflected using curve
And the variation of the infrared energy generated.In addition, giving inspection infrared temperature using two curves of record upper limit value and lower limit value
Degree meter failure detection provides an error range, avoids judging by accident, and error range can also be set as different at different temperatures,
Further increase precision.
Further, the infrared energy and inquire the energy datum that the judgement pyrometer fire-end receives
Whether the infrared energy that library obtains matches, and specifically includes:
Judge whether the infrared energy that the pyrometer fire-end receives is greater than the infrared energy lower limit value
And it is less than the infrared energy upper limit value；
If the infrared energy that the pyrometer fire-end receives is greater than the infrared energy lower limit value and is less than
The infrared energy upper limit value then confirms infrared energy and inquire the energy that the pyrometer fire-end receives
The infrared energy that database obtains is flux matched；
If the infrared energy that the pyrometer fire-end receives is less than the infrared energy lower limit value or is greater than
The infrared energy upper limit value then confirms infrared energy and inquire the energy that the pyrometer fire-end receives
The infrared energy that database obtains mismatches.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of infrared thermometer of the present invention；
Fig. 2 is schematic diagram of the infrared thermometer of the present invention in normal thermometric；
Fig. 3 is the flow chart of the failure detection method of infrared thermometer provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is the structural schematic diagram of infrared thermometer of the present invention referring to Fig. 1.Including thermocouple cold junction 11, pyrometer fire-end 12,
Infrared window 13, reference emitter 14 and detection circuit 15；
It is contacted referring to emitter 14 with thermocouple cold junction 11, logical heat transfer makes the temperature of own temperature Yu thermocouple cold junction 11
Degree is consistent；It is movable in front of the receiving plane of infrared window 13 referring to emitter 14 and (has been moved into Fig. 1 referring to emitter 14 red
In front of the receiving plane of outer window 13)；Pyrometer fire-end 12 is placed in front of the exit facet of infrared window 13, is emitted referring to emitter 14
Infrared energy received by pyrometer fire-end 12 by infrared window 13；
Temperature and the pyrometer fire-end 12 of the detection circuit 15 for detecting thermocouple cold junction 11 receive infrared
Radiation energy；According to the temperature of thermocouple cold junction 11 and the pre-stored energy database referring to emitter 14, heat is judged
Whether the infrared energy that galvanic couple hot end 12 receives is reasonable；When the infrared energy that pyrometer fire-end 12 receives does not conform to
When reason, the infrared thermometer failure is determined.
The present invention is added to referring to emitter 14 on infrared thermometer, is connect referring to emitter 14 and thermocouple cold junction 11
Touching, therefore the temperature of thermocouple cold junction 11 is the temperature referring to emitter 14, will be moved to infrared window referring to emitter
In front of receiving plane, make that pyrometer fire-end 12 receives is the infrared energy referring to emitter 14, has been obtained referring to transmitting
The actual temperature and infrared energy of body 14, the energy database according to the pre-stored data referring to emitter, match actual value
With the data inquired, it can be determined that whether infrared thermometer fails, and avoids measurement inaccuracy, and this mode is without waiting,
It does not need to increase power consumption yet.
When it is implemented, detection circuit 15 can inquire the pre-stored reference according to the temperature of thermocouple cold junction 11
The energy database of emitter 14 obtains infrared energy corresponding with the temperature of thermocouple cold junction 11；Judge hot thermocouple
Whether the infrared energy that end 12 receives matches with the infrared energy for inquiring the energy database acquisition；If thermoelectricity
The infrared energy that the infrared energy and the inquiry energy database that even hot end 12 receives obtain mismatches, then institute
It is unreasonable to state the infrared energy that pyrometer fire-end receives.
It can will be moved to referring to emitter infrared before infrared thermometer factory referring to the energy database of emitter 14
In front of the receiving plane of window, the temperature referring to emitter 14 is gradually changed, to detect the temperature and thermocouple of thermocouple cold junction 11
The mode for the infrared energy that hot end 12 receives records the data under different temperatures, constructs energy database；It can also make
With accurate thermometer is measured, with the method measurement of normal thermometric referring to the temperature of emitter 14, while measuring referring to emitter
14 infrared energy obtains energy database；If can also join in measurement referring to the infrared emission coefficient stabilization of emitter
On the basis of the temperature and infrared energy of beam 14 approved for distribution, design meets the variation relation of temperature and infrared energy
Functional relation is stored in energy database.
Infrared thermometer further includes shell 17 and shaft 16, and shell 17 is semi-enclosed shell, the thermoelectricity of infrared thermometer
It even cold end 11, pyrometer fire-end 12 and is all placed in shell 17 referring to emitter 14, infrared window 13 is placed in the opening of shell 17
Place；Shaft 16 is passed through referring to emitter 14 and is fixed on thermocouple cold junction 11, makes to can rotate to infrared window referring to emitter 14
In front of the receiving plane of mouth 13.It is also provided with handle in shaft 16, rotates user referring to transmitting by rotational handle
Body.It referring to fig. 2, is schematic diagram of the infrared thermometer of the present invention in normal thermometric, hand when normal thermometric, on rotating shaft 16
Handle makes to rotate referring to emitter 14, referring to emitter 14 not in the front of the receiving plane of infrared window 13, therefore it is red without stopping
Outer window 13, infrared window is exposed outside, against human body can complete thermometric, thermometric process and general infrared emitter without
It is different, the temperature difference is converted by the signal that thermocouple cold junction and pyrometer fire-end receive, and then be converted into voltage signal output human body
Temperature.Addition has no effect on the normal measurement of infrared thermometer referring to emitter 14.
In above embodiment, made before being movable to the receiving plane of infrared window 13 referring to emitter 14 in the form of rotation
Side can design the reception for making to be moved to infrared window 13 referring to emitter 14 in other embodiments by other structures
In front side, such as design thermocouple cold junction 11 and referring to emitter 14 be pluggable design, when referring to emitter 14 be inserted into thermoelectricity
When even cold end 11, it is located in front of the receiving plane of infrared window 13 referring to emitter.
When it is implemented, when selecting the material referring to emitter, the preferably described infrared emission system referring to emitter 14
Number is less than 0.6.Material production since the infrared emission coefficient of spot is generally higher than 0.8, using emission ratio less than 0.6
Referring to emitter, when there is spot to influence measurement result on infrared window, infrared energy that pyrometer fire-end receives by
The influence arrived can be bigger, and the efficiency and accuracy for examining failure can be improved.Furthermore it is preferred that described referring to the thermally conductive of emitter 14
Coefficient is greater than 200W/ (m*K), and the material of good heat conductivity more can guarantee the temperature one referring to emitter 14 and thermocouple cold junction 11
It causes, guarantees the accuracy examined.It is highly preferred that being made of copper referring to emitter 14, the radiation coefficient of copper is lower, and thermal conductivity
Good, the moderate cost of energy is made of copper relatively high referring to emitter sexual valence.
It is the flow chart of the failure detection method of infrared thermometer provided by the invention, the mistake of infrared thermometer referring to Fig. 3
Imitating the method for inspection includes:
S1, the infrared energy received by the temperature and pyrometer fire-end of detection circuit detection thermocouple cold junction
Amount；
S2, sentenced according to the temperature and the pre-stored energy database referring to emitter of the thermocouple cold junction
Whether the infrared energy that the pyrometer fire-end receives that breaks is reasonable；
S3, when the infrared energy that the pyrometer fire-end receives is unreasonable, determine that the infrared thermometer loses
Effect；
Wherein, the infrared temperature is calculated as above-mentioned infrared thermometer.
Specifically, step S2 is " according to the temperature of the thermocouple cold junction and pre-stored described referring to emitter
Energy database judges whether the infrared energy that the pyrometer fire-end receives is reasonable " include:
The pre-stored energy database referring to emitter is inquired according to the temperature of the thermocouple cold junction, is obtained
Infrared energy corresponding with the temperature of the thermocouple cold junction；
Judge infrared energy that the pyrometer fire-end receives with inquire the energy database obtain it is infrared
Whether radiation energy matches；
If the infrared energy that the pyrometer fire-end receives and the infrared spoke that the inquiry energy database obtains
Energy mismatch is penetrated, then the infrared energy that the pyrometer fire-end receives is unreasonable.
In a wherein preferred embodiment, the energy database include record the temperature referring to emitter and
Temperature-upper energy curve of infrared energy upper limit value corresponding with the reference temperature of emitter, and record institute
It states referring at the temperature of emitter and the temperature-of infrared energy lower limit value corresponding with the reference temperature of emitter
Limit energy curve；
Step S2 " inquires the pre-stored energy datum referring to emitter according to the temperature of the thermocouple cold junction
Library obtains infrared energy corresponding with the temperature of the thermocouple cold junction ", it specifically includes:
According to the temperature of the thermocouple cold junction, the temperature-upper energy curve is inquired, is obtained described referring to emitter
The thermocouple cold junction at a temperature of infrared energy upper limit value；
According to the temperature of the thermocouple cold junction, the temperature-lower energy curve is inquired, is obtained described referring to emitter
The thermocouple cold junction at a temperature of infrared energy lower limit value.
In a preferred embodiment, two temperature-energy curves are stored in energy database: temperature-upper energy curve,
Temperature-lower energy curve.In other embodiments, energy database can store the energy referring to emitter in different forms
Data, for example, the infrared energy radiated at different temperatures referring to emitter can be stored in the form of list, it can also
To store temperature-energy function relationship referring to emitter under each temperature stage using functional relation.Using temperature-energy
Curve is stored to be referring to the beneficial effect of the corresponding relationship of the temperature and energy of emitter, institute within a reasonable temperature range
Some temperature can inquire corresponding energy, and accuracy is higher；And at different temperatures, referring to the emission ratio of emitter
It can change, the variation with emission ratio can accurately be reflected using curve and the variation of infrared energy that generates.
Furthermore it is preferred that using two curves of record upper limit value and lower limit value, " the judgement thermocouple in embodiment
Whether the infrared energy that hot end receives matches with the infrared energy for inquiring the energy database acquisition ", specifically
Include:
Judge whether the infrared energy that the pyrometer fire-end receives is greater than the infrared energy lower limit value
And it is less than the infrared energy upper limit value；
If the infrared energy that the pyrometer fire-end receives is greater than the infrared energy lower limit value and is less than
The infrared energy upper limit value then confirms infrared energy and inquire the energy that the pyrometer fire-end receives
The infrared energy that database obtains is flux matched；
If the infrared energy that the pyrometer fire-end receives is less than the infrared energy lower limit value or is greater than
The infrared energy upper limit value then confirms infrared energy and inquire the energy that the pyrometer fire-end receives
The infrared energy that database obtains mismatches.
In other embodiments, can also only with a temperature-energy curve record referring to emitter energy with
The change procedure of temperature is inquired the temperature-energy curve according to the temperature of thermocouple cold junction and is obtained at such a temperature referring to hair
The infrared energy of beam calculates infrared energy and inquiry temperature-energy curve acquisition that pyrometer fire-end receives
Infrared energy between difference, judge whether the difference is less than preset threshold value, if the difference be greater than the threshold value,
Judge the infrared energy and inquire the infrared energy that the energy database obtains that the pyrometer fire-end receives
It mismatches.And two curves of record upper limit value and lower limit value is used to exist to the beneficial effect of inspection infrared thermometer failure detection
In i.e. one error range of offer avoids judging by accident in energy database, does not need design computing circuit, and error range is not
Also it can be set as different under synthermal, further increase precision.
The present invention is added to referring to emitter on infrared thermometer, removable referring to emitter and cold thermocouple end in contact
It moves to the receiving plane of infrared window, before using infrared thermometer, connecing for infrared window will be moved to referring to emitter
Side in face of receiving, make that pyrometer fire-end receives is the infrared energy referring to emitter, and the temperature of thermocouple cold junction is
For the temperature referring to emitter, therefore the actual temperature and infrared energy referring to emitter are obtained, according to being stored in advance
Reference emitter energy database, judge whether the infrared energy that pyrometer fire-end receives reasonable, it can be determined that
Whether infrared thermometer fails, and avoids measurement inaccuracy, and this mode is without waiting, does not also need to increase power consumption.
It is the preferred embodiment of the present invention above, it is noted that for those skilled in the art,
Without departing from the principle of the present invention, several improvement and deformations can also be made, these improvement and deformations are also considered as this hair
Bright protection scope.
Claims (9)
1. a kind of infrared thermometer, which is characterized in that including thermocouple cold junction, pyrometer fire-end, infrared window, reference emitter
And detection circuit；
The reference emitter and the cold thermocouple end in contact, logical heat transfer make own temperature and the thermocouple cold junction
Temperature is consistent；In front of the receiving plane for being movable to the infrared window referring to emitter；The pyrometer fire-end is placed in institute
In front of the exit facet for stating infrared window, the infrared energy referring to emitter transmitting is described by the infrared window
Pyrometer fire-end receives；
The infrared spoke that the detection circuit is used to detect the temperature of the thermocouple cold junction and the pyrometer fire-end receives
Penetrate energy；Institute is judged according to the temperature of the thermocouple cold junction and the pre-stored energy database referring to emitter
Whether reasonable state the infrared energy that pyrometer fire-end receives；When the infrared energy that the pyrometer fire-end receives
When unreasonable, the infrared thermometer failure is determined.
2. infrared thermometer as described in claim 1, which is characterized in that the infrared thermometer further includes shaft, and described turn
Axis pass through it is described referring to emitter and be fixed on the thermocouple cold junction, make it is described can rotate to referring to emitter it is described infrared
In front of the receiving plane of window.
3. infrared thermometer as claimed in claim 1 or 2, which is characterized in that the infrared emission coefficient referring to emitter
Less than 0.6.
4. infrared thermometer as claimed in claim 1 or 2, which is characterized in that the thermal coefficient referring to emitter is greater than
200W/(m*K)。
5. infrared thermometer as claimed in claim 1 or 2, which is characterized in that described to be made of copper referring to emitter.
6. a kind of failure detection method of infrared thermometer characterized by comprising
The infrared energy received by the temperature and pyrometer fire-end of detection circuit detection thermocouple cold junction；
According to the temperature of the thermocouple cold junction and the pre-stored energy database judgement referring to emitter
Whether the infrared energy that pyrometer fire-end receives is reasonable；
When the amount of infrared radiation that the pyrometer fire-end receives is unreasonable, the infrared thermometer failure is determined；
Wherein, the infrared temperature is calculated as such as infrared thermometer described in any one of claim 1 to 5.
7. the failure detection method of infrared thermometer as claimed in claim 6, which is characterized in that described according to the thermocouple
The temperature of cold end and the pre-stored energy database referring to emitter judge what the pyrometer fire-end received
Whether infrared energy is reasonable, specifically includes:
The pre-stored energy database referring to emitter, acquisition and institute are inquired according to the temperature of the thermocouple cold junction
State the corresponding infrared energy of temperature of thermocouple cold junction；
Judge the infrared energy and inquire the infra-red radiation that the energy database obtains that the pyrometer fire-end receives
Whether energy matches；
If the infrared energy that the pyrometer fire-end receives and the infrared energy for inquiring the energy database acquisition
Amount mismatches, then the infrared energy that the pyrometer fire-end receives is unreasonable.
8. the failure detection method of infrared thermometer as claimed in claim 7, which is characterized in that the energy database includes
Record the temperature referring to emitter and with described referring to the corresponding infrared energy upper limit value of the temperature of emitter
Temperature-upper energy curve, and record the temperature referring to emitter and with it is described corresponding referring to the temperature of emitter
Infrared energy lower limit value temperature-lower energy curve；
The temperature according to the thermocouple cold junction inquires the pre-stored energy database referring to emitter, obtains
Infrared energy corresponding with the temperature of the thermocouple cold junction, specifically includes:
According to the temperature of the thermocouple cold junction, the temperature-upper energy curve is inquired, obtains the reference emitter in institute
State the infrared energy upper limit value at a temperature of thermocouple cold junction；
According to the temperature of the thermocouple cold junction, the temperature-lower energy curve is inquired, obtains the reference emitter in institute
State the infrared energy lower limit value at a temperature of thermocouple cold junction.
9. the failure detection method of infrared thermometer as claimed in claim 8, the judgement pyrometer fire-end is received
Infrared energy with inquire whether the infrared energy that the energy database obtains matches, specifically include:
Judge whether infrared energy that the pyrometer fire-end receives is greater than the infrared energy lower limit value and small
In the infrared energy upper limit value；
If the infrared energy that the pyrometer fire-end receives is greater than the infrared energy lower limit value and is less than described
Infrared energy upper limit value then confirms infrared energy and inquire the energy datum that the pyrometer fire-end receives
The infrared energy that library obtains is flux matched；
If the infrared energy that the pyrometer fire-end receives is less than the infrared energy lower limit value or is greater than described
Infrared energy upper limit value then confirms infrared energy and inquire the energy datum that the pyrometer fire-end receives
The infrared energy that library obtains mismatches.
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| CN202204618U (en) * | 2011-08-31 | 2012-04-25 | 大连交通大学 | Calibration device used for cladding material infrared optical-fiber thermodetector |
| CN103698056A (en) * | 2013-12-16 | 2014-04-02 | 杭州华安医疗保健用品有限公司 | Calibrated temperature error correction device and correction method |
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| CN1202242A (en) * | 1995-11-18 | 1998-12-16 | 布劳恩股份有限公司 | Process for evaluating signal of infrared thermometer, and infrared thermometer |
| JPH11142245A (en) * | 1997-11-10 | 1999-05-28 | Horiba Ltd | Thermal infrared detector |
| CN1734242A (en) * | 2004-08-11 | 2006-02-15 | 三洋电机株式会社 | Temperature adjustment and treatment apparatus |
| CN202204618U (en) * | 2011-08-31 | 2012-04-25 | 大连交通大学 | Calibration device used for cladding material infrared optical-fiber thermodetector |
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