WO2019088814A1 - Source de rayonnement électrique à cavité de corps noir interchangeable pour étalonnage d'instruments de mesure de température par télémétrie - Google Patents

Source de rayonnement électrique à cavité de corps noir interchangeable pour étalonnage d'instruments de mesure de température par télémétrie Download PDF

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Publication number
WO2019088814A1
WO2019088814A1 PCT/MX2017/000124 MX2017000124W WO2019088814A1 WO 2019088814 A1 WO2019088814 A1 WO 2019088814A1 MX 2017000124 W MX2017000124 W MX 2017000124W WO 2019088814 A1 WO2019088814 A1 WO 2019088814A1
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WO
WIPO (PCT)
Prior art keywords
radiation
temperature
black
source
cavity
Prior art date
Application number
PCT/MX2017/000124
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English (en)
Spanish (es)
Inventor
Margarita KAPLUN MUCHARRAFILLE
Original Assignee
Kaplun Mucharrafille Margarita
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Filing date
Publication date
Application filed by Kaplun Mucharrafille Margarita filed Critical Kaplun Mucharrafille Margarita
Publication of WO2019088814A1 publication Critical patent/WO2019088814A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
    • 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

Definitions

  • the present invention is related to the technical field of mechanics, metrolo g 1 a, te rmome tria, te etr tr a, te rmome triaradiation, infrared radiation, classical mechanics, quantum mechanics and the trazabi 1 idad and the thermal radiation of the oceans because of an electric radiation object with interchangeable blackbody cavity for calibration of telemetry tem erature measurement instruments.
  • E ndustrial processes that involve heating by application of heat or as a result of the operation of appliances, tools, equipment, machinery, etc. , in the production of products, there will be timely and accurate control of the temperature and exposure times and / or operation that offers the best results from the operation or improvement of the products. .
  • the current technological solution consists of using a few meters (instruments that measure the radiation in the infrared that goes out from 1 to its load surface in a certain given direction, usually in an interval of 1 ongit. fixed wave, einfieren 1 to temperature of the surface from her).
  • Infrared radiation is an electromagnetic radiation with wavelengths greater than those of visible light and shorter than millimeter wave radiation. All its surfaces have a temperature higher than the absolute zero (-273.15 ° C) and m i t in ra n ation i n f r a r r o j a.
  • the infrared radiation range follows immediately after the red 1 uz and occupies the 780 nm to 1 mm range of the electromagnetic spectrum.
  • infrared radiation can be subdivided into three other ranges:
  • the temperature of an object can be measured from its spectral radiance.
  • a thermometer that works like this is called a radiation thermometer, and the measured temperature is called the radiance temperature.
  • Radiation thermometers measure the electromagnetic radiation emitted by an object as a result of its temperature. When an object reaches elementary temperatures, the m a and r p a r t e of its radiation is a band of wavelengths called the in-spectrum spectrum. Very hot objects emit a signal that is a radiation or electromagnetic radiation.
  • While the eye hand is mu and sensable to 1 yellow light with wavelengths around 0.555, it can not detect light with lengths of or greater than 0.700 ⁇ m (red) and smaller than 0.400 ⁇ m (violet). Although our children can not detect the energy outside of the range of what is called the visible spectrum, it is known that it is there because it can be detected with a meter.
  • the radiation meters are designed to be sensitive to a bandwidth of a wavelength.
  • the one to show 1 m above and the radiation thermometers is the one from 6.3 ⁇ m to 14 ⁇ m (6.3 to 14 micrometers).
  • Infrared radiation is electromagnetic radiation with wavelengths greater than light isi le and smaller than millimeter wave radiation. Terms such as wavelength and amplitude are used to describe infrared and other types of electromagnetic radiation. For example, the a mp 1 waveform described by the intensity of 1 to 1 radiation and 1 ectrogram and the wave 1 or ng it is used eo after things to determine if it is a micro wave, light isible or radiation i infrared.
  • Radiation methods are used in a variety of situations where co-tact measurements are not possible.
  • the application is that these devices are variable and the scope includes a larger number of analysis sites, considering large fields of application from aeronautics to common use, such as health, so confidence in these losses increases with calibration.
  • Radiation thermometers have an optical resolution defined by the relation between the distance to the ob ete and the diameter of 1 to which the percentage of the energy is collected, total collected (D: S) (S ot size ).
  • D: S total collected
  • S ot size The ratio D t S is used as a guide to limit the distance traveled to make infrared temperature measurements.
  • the spot size reflects the pixel and the distance that ede see 1 "I FOV" is the first or second subtest of pixel I to 1 object.
  • a band-to-gosta radiation thermometer is one that has an optical filter that transmits a long-range signal of longitude. This range of ominate to cho of spectral band ( ⁇ ⁇ ) is in the order of some n to nos (ros) (n re),
  • a band-to-cha radiation thermometer is one that is characterized by having an optical filter that transports a wide line of wavelength 88 ( ⁇ ), that is approximately the same. of some my subjects (m).
  • Calibration can also be defined as the co-operation of operations carried out according to a defined quali fi cation procedure, which compares measures measured or implemented with others performed with a more accurate instrument. or pattern, with the purpose ofdetecting and informing, the errors in the first edition, so that the first one is certain of the measurement of the instrument that is being calibrated.
  • the pattern commonly used to calibrate or verify instruments or systems of editing is an instrument whose compatibility is known and which will be referred to as a reference. calibrate the "editing instrument to be calibrated”. (MX - Z - 055 - IMNC-2009).
  • the reference measurement standard is the designated atr ⁇ 3n for the calibration of patterns of magnitudes of the same nature in a given location or location.
  • E Calibration recesses can be measured as a measurement, which is defined as the difference between a measured value of a value and a reference value (NMX-z 55-).
  • a red temperature calibration begins with a measurement of what is acting as a heat source, which must be a target plate or a capacity that functions as a standard or reference.
  • the calibration geometry which includes the size of the measurement surface and the distance of the thermometer to be calibrated, depends on the result of the measurement. Also critical are the stability of the tem e ra t, the u nity and the properties emission V i dad.
  • Emissivity is the energy r a d e a n t e coming from an opaque surface and is a combi nation of the emitted radiation caused by the tem perature of the surface and the reflected radiance arising from any radiation in the atmosphere.
  • the amount of light emitted at a certain temperature is determined by the emissivity of the surface.
  • the emissivity is the relationship between radiated energy. emitted by a surface and emitted by a black body at the same temperature. The operation is greatly affected by the operation of the area and the completion of the same.
  • the infrared temperature sensors must be capable of having a known emission, which will become known over time.
  • the emissivity can be any 1 or between zero and one, inclusive. Em i. This is a sign that the temperature of the body does not matter, since no light will be radiated. An emissivity of one indicates that the surface will radiate perfectly to all wavelengths.
  • the "black bodies" are perfectly radioed sounds.
  • thermometers Some manufacturers of radiation thermometers, if not the majority, suppose a v alor cons ante of em i s i v a c u a 1 or an object or source, that is to say independent of the temperature and the wavelength. However, in the case of the cases, we do not deal with the e rrt i s i v i d a or b and the coefficients depend on their temperature as well as the wavelength. It is only for an ideal body that the emissivity is independent of its temperature and wavelength.
  • a black body is an ideal surface that emits and absorbs electomagnetic radiation with the maximum power possible at a given temperature of a c u e r c o n 1 a L e and d P I a n c k, where:
  • CLL is the first radiation carrier for spectral radiance, with a value equal to 1, 191
  • the ideal surface that emits and absorbs the electromagnetic radiation does not mean that the r a d i a c i o n r eneje or p a a es d ell.
  • a black body is a long cavity with a small size. Reflection is avoided so that any light that enters the surface of the light or reflection will be reflected on the body's surface, often being sucked off before escaping.
  • a gray body is a surface that emits
  • thermometers radiation mainly thermometers radiation and thermographic eq ips.
  • thermographic eq ips bodies for the calibration of radiation temperature meters, mainly thermometers radiation and thermographic eq ips.
  • These bodies exist commercially and consist of cavities that, by their physical characteristics, and the materials obtained, have a high value of emissivity, which is critical in this field of intion.
  • Some of the cells are not cavities, but rather surfaces, and these are also used for radiation access, and their exposed radiation surface is preferred for radiation thermometers with a viewing angle. or ng ande.
  • the black and istentive bodies in the form of discs or plates do not deter i n a n t the r e d t e r t i n t i t i t i t i t i t i t th e r o o r t a n d a n d a n d a n d a n d a n d a n d a n d a n d a n d a n d a n d s.
  • u r a s i n a arca r 1 a wide range of matrix sizes involving thermographic equipment.
  • thermometers of r a d i. a c i o n and 1 o s e q u i p o s t e r g e f i c e s, but o to characterize the infrared equipment, since its principle of ra e d i c i o n is d i f e e t e.
  • the temperature of the radiation thermometer shows the average of the temperatures measured in the circle after its measurement angle, while the temperature measured with the ergographic equipment is the result of capturing the radiated energy of the body measured, represented by a matrix with untual tempera t values.
  • thermographic equipment For black bodies, it is only a matter of temperature to calibrate only a temperature of the gaseous chamber, there is no way to have a known thermal sensor to calibrate the temperature differences registered by the temperature. thermo graphic camera.
  • X i s tents is really designed two p a r a c a 1 i b ra r t e rm 6m. Radiation systems and or rmographic equipments.
  • the metrological traceability of the reference thermometers is given by a contact thermometer
  • the c can be a type thermometer: RTD (Resistance Temperature Detector ) or Thermocouple.
  • Metrological variability is the property of a measure of measurement by 1 year in which the measurement can be made using a medium-sized measurement or measurement of calibra- tion, each which contributes to the uncertainty of measurement (NMX - Z - 055 TM IMNC-2009) Performing a search of the state of the art, se.
  • a lower heater and a high-efficiency upper heater are located in the hollow of the upper insulated casing and the lower insulating casing at cylindrical ca. of the cale ac or i fe io yei heating his superior; at least one. duct is placed in 1 a insulating casing i fe rior; A slotted co figured to place in it a contact thermometer ti or "RT D" or thermocouple, near an anura junction with a black cylindrical ca id d in the rear end of the cylindrical cavity of the black body.
  • a disc with thermal gradient is placed at the anterior end of the cylindrical cavity of the black body, composed of at least one concentric thermal diffuser metal ring;
  • a base houses at least two supports, on which the insulating housing is placed in J- erior and connected to the casing isolates ntesu erior P, which in its i seencu TERIOR enters ca 1 perior efactorinferiorysu and fij ci os in the cavity 1 in drica neg ro body; at 1 minus, four levelers are placed in 1 at the bottom of the grill;
  • a role-play is found in the lower-front art 1 of the controller. It is embedded in the control board; a data acquisition system, an interrupter and, at least, a second power fuse are in control panel 1; an access point is in the later art of
  • a heat dissipater unusable for ote cia and for a rnead ort e rmicoadindu ction mag arbitr, is found in the base part of the base under the door of access; one ta to above is set so re the b ase cubiendo housing seals you i ferior and n round with the housing seals you its erior one taa f - e ral is set in each ia do base and 1 to ta P higher; at least, the handle is placed at the top and at each of the taps the head; at least, a means of ventilation,
  • the object of the present invention is to provide a source of electrical radiation with a negative or interchangeable body cavity for calibration of temperature measuring instruments by telemetry that solves the drawbacks of the previously described patent document. This is achieved by eliminating the reference concentric thermal diffuser metal rings from the cylindrical cavity of the black body, and by making said cylindrical cavity of the egro body easily accessible and exchanged, thereby decreasing the cost and time of maintenance, making the equipment more efficient,
  • Figure 1 shows an explosion of the electric radiation beam with an integer black body cavity.
  • Figure 2 shows, in front of the adiation source, and an interchangeable blackbody cavity for calibration of temperature measuring instruments or a telephoto lens with a cold cover.
  • Figure 3 shows in front perspective of the source of electrical radiation with cav ⁇ da d d e e e n e g e interchangeable for quali fi cation of temperature measurement by telemetry, with t a ⁇ a f r o n t a 1.
  • Figure 4 shows a frontal view of the source of electrical radiation with a blackbody cavity and changes the image of the Temperature measurement by telemetry and the hard cover 1.
  • Figure 5 shows a perspective view of the electric power source with an interchangeable body capacity for the calibration of temperature measuring instruments or t e r e a r.
  • Figure 6 shows a detailed perspective of the high-efficiency heaters of the source of electrical radiation with body density and interchange for the calibration of temperature measurement instruments by telemetry.
  • the figure. 7 shows a perspective view of the detail of the black body cavity of the electric radiation source as a co n ject of the body n e g r o n t e r c a m a m e i a 1 e for calibrating the temperature measurement by telemetry.
  • Figure 8 shows a view of the internal tracings of the cavity of the electric radiation source with negative body cavity or integer for calibration of measuring instruments of t e m erature or tel m e t r a.
  • Figure 9 shows a view of the longitudinal section of the black body cavity of the source of radiation e 1 ct rica with interchangeable black body ca calibration of instruments for temperature editing by telemetry
  • Figure 10 illustrates the temperature steps caused by the thermal resistances of the electric source with black body cavity and exchanges the temperature of telemetry temperature measurement instruments.
  • the source of electric radiation with black body cavity which can be used for calibration of temperature measurement instruments, consists of a higher insulating casing (ij and a housing). lower insulation 2), both housings are removable and preferably from 1 to steel mine; it is con fi gured with only one socket to receive the first ever lower efactor (4) and one upper heater (5) that fit together and functions as a thermal radiation source of high thermal efficiency; said calei actors i faith (4) and superior (5) houses a cylindrical cavity of body egro (3) R emovable ermitiendo that the emperatura of said cavity i i ndr icai ncre icai, and gr acias to the insulating casings superior (1) and inferior ⁇ 2 ⁇ avoid losses and v ariaduc tem eratura.
  • Qe is preferred thermal insulator is an insulated high heat esistance ara temperatures close to 1000 0 C and lower. Co spesor suficie te ara to avoid heating in the exterior 1
  • the lower insulating casing (2) has at least one duck (12) that allows the cables necessary for the connection of the electric radiation lamp to be passed through the camcorder. I would like to ask you about the measurement instruments of telemetry by telemetry.
  • the lower heater (4) is heated, its heater is heated (5) and are set to 1 or more ambient environments, that is the lowest heating element (4) co o the upper one (5) is of high efficiency and of ceramic material, referentially in the form of a half-round,
  • this pa to efficiently reach temperatures of up to 1000 ° C; and have on their inner faces, channels 1 ong i t udi na 1 e s that e n a lta efficiency and d i s t r i u ci o n uniform heat in the cylindrical cavity of the body egro (3).
  • ct V i. k ct U cylindrical of the body or black (3) is of cylindrical form of tube with thick walls, made of a material 1 conbuen ace properties d of thermal conduction, preferably of alloy of Aluminum, alloy of Bronze, alloy of L tone 1 ac omb ination of 1 os nte ciox: es; It is therm ectable and resistant to operating temperatures, around 25 ° C to 550 ° C.
  • indicium of 1 black body ⁇ 3 ⁇ is introduced with a conical plug (6), which has a hole in the central position in the rasera gear, in the central position. to accommodate a reference temperature sensor, for the purpose of sensing the thermodynamic temperature of the cylindrical cavity of the black plug (3).
  • the upper part of the conical plug (6) has a unique polygonal shape, with a preferred angle of 45 ° in both layers.
  • the posterior art of the cylindrical cavity of the ceo ne o (3) has three holes all, preferably 0.05 m deep, located in the walls of the cylindrical cavity tube of the black field (3) a 0 °, 90 0 and 180 °, to house temperature sensors of reference, for the first time the temperature of 1 cylindrical volume of the black head ⁇ 3).
  • Both the surface and the interior of the ⁇ cylindrical cavity of the black body ⁇ 3), including the surface of the single plug ⁇ 6 ⁇ , has a recirculation with a r to energy sorption, that is, with emissivity very close to one, preferably with values of 0.95 to 1.0.
  • the 1-body black plastic housing (3) has a slot (7) that allows you to place a contact meter of type RT D (resistor ance temperature detector) or ti or Terrn opar, to be connected to it. even with temperature 1 at temperature r (17).
  • RT D resistor ance temperature detector
  • the anterior end of the cylindrical cavity of the black body (3) is configured to hold a capacitive disk ⁇ 8) e 1 cua 1 esr emo vib 1 e and has at least two emperature sensors ⁇ no shown) removable in their part riorinserted in at least two parts (10), horizontally applied, co ect to the axial axis of the cavidadc 111 cuerp or black (3) and equidistant to its center, inserted in both sides, to define tempera- ture profiles with a high degree of thermal contact of the disk with a geometric graph (8) with a cylindrical cylindrical body (3) , as illustrated in Figure 10.
  • the disc with thermal gradient (8) has a triangular profile groove (10) on its outer surface of its working face (11), which are triangular grooves (equilateral) in section. cross-section and that are far away in it.
  • the source of electrical radiation with cavity cuerpo negroin ere amb iabieparaca 1 i brac i or n instruments for measuring temperature or telemetry has a base (13) that houses, at least, two so ortes (14), on which was placed ca 1 acar casa lower insulator (2) and uniaconl casing ai inslante his e ⁇ (1), ls which inside contain the lower heater (4) and its erior (5) already fixed in the cylindrical caidad de cuer or black (3).
  • the ⁇ 13 ⁇ has a lower part with at least one of the aforementioned devices (15), which means that the source of electrical radiation with a black or white color interferes with the quali fi cation of medium-sized instruments. I t empera t tele telemetry, it gives you unwanted movements.
  • Telemetry temperature diction has a removable control table (16); embedded in said font is a temperature control (17), which preferably is digital or "ramp" type.
  • the control board (16) has an interface (18) and, at least, a second power supply (30), which, when activated, allow the operation of the present invention.
  • an upper cover (24) is removed, which is removed for the purpose of covering the lower insulation case (2) when it is already in use with the upper insulating housing (1). , which in its interior is found in the lower heating (4) and upper heating (5) years in the black body cylindrical cavity (3);
  • the side cover (27) is fixed on each side of the cover (13) and the top cover (24).
  • L s ta s ter (25) is removed and has, at least, a handle (29), that if r sees to stop the radiation.
  • the first electric or black concavity chamber intervenes in the calibration of the temperature measurement instruments, so that it can be used in one or two places. sene i lia.
  • the lateral tabs (25) have at least one venting means (27), and 1 can be a grid and / or a ventilated, which transmits the circulation inside the source of electrical radiation reducing the temperature, to request that the electrical equipment fail.
  • a frontal apa (26) is attached to the clamping means (28) by means of clamping means (28), accommodating in the front part of the electric radiation source with cavity of interchangeable black body for calibration of temperature measurement instruments or teleraetry, in such a way that it protects the disk with thermal gradient (8) and the control board (16), when it is moved or is not in use. It was electrical radiation.
  • the fastening means (28) can be snaps, tongue and groove mechanism, magnets, mechanical clamps, sailboat and / or the combination of the foregoing.
  • Both the upper side (24), side (27) and front (28) are made of thermal insulating materials, with 1 refinement to reduce the external temperature and can be transported immediately after use, without risk. of burn.
  • the first reason for the selection of these materials is a function of their ⁇ 1 t 3 thermal conductivity and this quality in the inter-relative temperatures, as well as the condition. it is 6 pti raa s of op oration
  • the gradient of temperature is generated in radial form in the disk with thermal gradient (8),
  • the thermal gradients are quantified as follows:
  • ⁇ T is the temperature difference in two points with secu tives and ⁇ L is the distance between those two consecutive points.
  • L tem difference is measured mainly eratura 'calibrated thermocouples uicados in part will TERIOR seo di cong adie ⁇ 8 ⁇ will érmico.
  • the distance and two co-cutting points is related to the design and construction of said disc with a thermal gradient (8).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiation Pyrometers (AREA)

Abstract

La présente invention concerne une source de rayonnement électrique à cavité de corps noir interchangeable pour l'étalonnage d'instruments de mesure de température par télémétrie qui résout les inconvénients du document de brevet antérieurement décrit. Ceci est obtenu en éliminant les anneaux métalliques diffuseurs thermiques concentriques de référence de la cavité cylindrique du corps noir, et en faisant en sorte que ladite cavité cylindrique du corps noir soit d'accès facile et interchangeable, ce qui diminue ainsi le coût et le temps d'entretien, rendant l'équipement plus efficient.
PCT/MX2017/000124 2017-11-03 2017-11-03 Source de rayonnement électrique à cavité de corps noir interchangeable pour étalonnage d'instruments de mesure de température par télémétrie WO2019088814A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MXMX/U/2017/000486 2017-11-03
MX2017000486 2017-11-03

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WO2019088814A1 true WO2019088814A1 (fr) 2019-05-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210364361A1 (en) * 2020-05-22 2021-11-25 Eaton Intelligent Power Limited Temperature Measurement System

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015093930A1 (fr) * 2013-12-19 2015-06-25 Kaplun Mucharrafille Margarita Système et procédé d'étalonnage et de caractérisation d'instruments de mesure de la température par télémétrie
WO2017105206A1 (fr) * 2015-12-18 2017-06-22 Kaplun Mucharrafille Margarita Source de rayonnement électrique pour l'étalonnage et/ou la caractérisation d'instruments de mesure de la température par télémétrie, améliorée

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015093930A1 (fr) * 2013-12-19 2015-06-25 Kaplun Mucharrafille Margarita Système et procédé d'étalonnage et de caractérisation d'instruments de mesure de la température par télémétrie
WO2017105206A1 (fr) * 2015-12-18 2017-06-22 Kaplun Mucharrafille Margarita Source de rayonnement électrique pour l'étalonnage et/ou la caractérisation d'instruments de mesure de la température par télémétrie, améliorée

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210364361A1 (en) * 2020-05-22 2021-11-25 Eaton Intelligent Power Limited Temperature Measurement System
US11680852B2 (en) * 2020-05-22 2023-06-20 Eaton Intelligent Power Limited Temperature measurement system

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