CN213516848U - Heating device for be used for high temperature material spectral characteristic to measure - Google Patents
Heating device for be used for high temperature material spectral characteristic to measure Download PDFInfo
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- CN213516848U CN213516848U CN202022038451.8U CN202022038451U CN213516848U CN 213516848 U CN213516848 U CN 213516848U CN 202022038451 U CN202022038451 U CN 202022038451U CN 213516848 U CN213516848 U CN 213516848U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 89
- 239000000463 material Substances 0.000 title claims abstract description 62
- 230000003595 spectral effect Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 14
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 8
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 14
- 230000005855 radiation Effects 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
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- 238000003723 Smelting Methods 0.000 description 1
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- 238000009529 body temperature measurement Methods 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
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- 238000004861 thermometry Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model discloses a heating device for be used for high temperature material spectral characteristic to measure, including heating seat, rack, carbon dioxide laser instrument, speculum, condensing lens and water-cooling machine. The utility model discloses a laser guide that the speculum sent the carbon dioxide laser instrument is to measuring material surface, and the centre improves laser density through the condensing lens to make the measuring material of measuring reach higher temperature. Meanwhile, a water inlet and a water outlet of the water cooler form a loop with a fluid channel inside the heating seat through a pipeline, and cooling water is introduced into the heating seat to reduce the temperature of the heating seat. The utility model discloses a laser heats the volume of awaiting measuring material of various different grade types, size, can reduce effectively and await measuring the volume of measuring material outside heat dissipation rate and environment temperature rise.
Description
Technical Field
The utility model relates to an energy field especially relates to a heating device for be used for high temperature material spectral characteristic to measure.
Background
Emissivity is an important physical quantity for representing the radiation characteristic of an object, and plays an important role in many industrial fields, such as radiation temperature measurement technology, infrared remote sensing technology, airplane stealth design and the like. Radiation thermometry is widely used in metal smelting, body temperature test and other fields, and temperature can be accurately measured only by knowing the surface emissivity of the material. In the solar particle heat collector, the high-temperature particle emissivity is also very important for the overall performance of the particle heat collector, and the overall efficiency of the particle heat collector can be effectively improved by reducing the particle emissivity. The spectral emissivity is defined as the ratio of the radiation power of a material to the radiation power of a black body at the same temperature, and is not only related to the temperature, but also related to the material composition, surface roughness and other factors. The spectral emissivity measurement is generally performed by a reflection method and an energy method, the reflection method generally measures the reflectivity and the transmissivity of a material through an integrating sphere, the emissivity is obtained according to energy conservation, the energy law is defined according to the emissivity, and the emissivity is obtained by measuring the radiation force of the material and a blackbody at the same temperature. The integrating sphere needs to be modified when the emissivity is measured by a reflection method, and the experiment difficulty is high. The energy method has simple structure and convenient experiment, but is difficult in the aspects of controlling the temperature of the material, inhibiting background radiation and the like.
In the emissivity measurement process, the design of the heating device is particularly critical, and the heating device influences the overall performance of the test system to a great extent. The heating device not only needs to be able to heat the material to a specified temperature, but also reduces the ambient radiation interference. During testing, the heating device raises the temperature of the surrounding environment, which may interfere with the testing and possibly damage surrounding laboratory instruments. The heating device for the material not only needs to meet the test requirements, but also needs to meet the heating requirements of materials with different shapes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the defect that involves in the background art, provide a heating device for high temperature material spectral characteristic is measured, can reduce ambient temperature effectively, reduce the background and disturb.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
a heating device for measuring spectral characteristics of high-temperature materials comprises a heating base, a bench, a carbon dioxide laser, a reflector, a condenser and a water cooler;
the heating seat is made of a material with low heat conductivity coefficient and comprises a base and a heating table, wherein the base is provided with a through hole through which laser irradiates the heating table; the heating table is fixed on the base and used for placing a material to be measured, so that the laser passing through the through hole of the base can irradiate the material fixed on the heating table;
the base is fixed on the rack; a cavity is arranged in the rack, and a light inlet and a light outlet are arranged on the rack; the reflecting mirror and the collecting mirror are both arranged in a cavity of the rack;
the carbon dioxide laser is used for emitting laser, so that the laser irradiates a reflector in the cavity of the rack from a light inlet of the rack;
the reflecting mirror is used for reflecting the laser emitted by the carbon dioxide laser to the collecting mirror;
the condensing lens is used for focusing the laser reflected by the reflecting mirror to improve the energy density and irradiating the laser from a light outlet of the rack to the bottom of the heating table through the through hole on the base to heat the material to be measured on the heating table;
a fluid channel for heat dissipation is arranged in the base, and a water inlet and a water outlet which are connected with the fluid channel are arranged on the surface of the base body;
the output port of the water cooling machine is connected with the water inlet on the surface of the base through a pipeline, and the input port of the water cooling machine is connected with the water outlet on the surface of the base through a pipeline, so that the water cooling machine is used for dissipating heat of the base body.
As the utility model relates to a further optimization scheme of heating device for high temperature material spectral characteristic is measured, heating seat and rack all adopt the 310s stainless steel to make.
As a further optimization scheme of the heating device for high temperature material spectral characteristic measurement, be coated with the coating that is used for absorbing the laser scattering light in the cavity of rack.
As the utility model relates to a further optimization scheme of heating device for be used for high temperature material spectral characteristic to measure, the base is both ends open-ended hollow round platform, and wherein the less one end of diameter is used for fixed warm table.
As a further optimization scheme of the heating device for measuring the spectral characteristics of the high-temperature material, the heating table is in a circular ring shape and is used for heating granular materials or solid materials; the outer edge of the heating table is coaxially and fixedly connected with the end face with the smaller diameter of the base, and the diameter of the central through hole of the heating table is smaller than that of the material to be heated, and the central through hole is used for fixing the material to be heated and enabling laser to directly irradiate the material to be heated.
As the utility model relates to a further optimization scheme of heating device for high temperature material spectral characteristic is measured, the powder pond that the warm table adopted and the less terminal surface of base diameter coaxial linking firmly, the diapire in powder pond adopts the zinc selenide material to make, makes laser can see through the powder pond diapire and shine to the material of waiting to heat in the powder pond.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
the utility model discloses a laser heats the volume of awaiting measuring material of various different grade types, size, can reduce effectively and await measuring the volume of measuring material outside heat dissipation rate and environment temperature rise.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a heating base of the present invention;
FIG. 3 is a schematic cross-sectional view of the heating base of the present invention;
FIG. 4 is a schematic view of the structure of the heating base and the rack of the present invention;
fig. 5 (a), 5 (b) and 5 (c) are schematic structural diagrams of the heating table matched with the base when the heating table is used for heating particles, powder and solid respectively.
In the figure, 1-material to be measured, 2-heating seat, 3-bench, 4-carbon dioxide laser, 5-reflector, 6-condenser, 7-pipeline, 8-water cooler, 9-water inlet, and 10-water outlet.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, components are exaggerated for clarity.
As shown in fig. 1, the utility model discloses a heating device for measuring spectral characteristics of high temperature materials, which comprises a heating base, a bench, a carbon dioxide laser, a reflector, a condenser and a water cooling machine;
as shown in fig. 2 and 3, the heating seat is made of a material with a low thermal conductivity coefficient, and includes a base and a heating stage, wherein the base is provided with a through hole through which laser passes and irradiates the heating stage; the heating table is fixed on the base and used for placing a material to be measured, so that the laser passing through the through hole of the base can irradiate the material fixed on the heating table;
the base is fixed on the rack, as shown in fig. 4; a cavity is arranged in the rack, and a light inlet and a light outlet are arranged on the rack; the reflecting mirror and the collecting mirror are both arranged in a cavity of the rack;
the carbon dioxide laser is used for emitting laser, so that the laser irradiates a reflector in the cavity of the rack from a light inlet of the rack;
the reflecting mirror is used for reflecting the laser emitted by the carbon dioxide laser to the collecting mirror;
the condensing lens is used for focusing the laser reflected by the reflecting mirror to improve the energy density and irradiating the laser from a light outlet of the rack to the bottom of the heating table through the through hole on the base to heat the material to be measured on the heating table;
a fluid channel for heat dissipation is arranged in the base, and a water inlet and a water outlet which are connected with the fluid channel are arranged on the surface of the base body;
the output port of the water cooling machine is connected with the water inlet on the surface of the base through a pipeline, and the input port of the water cooling machine is connected with the water outlet on the surface of the base through a pipeline, so that the water cooling machine is used for dissipating heat of the base body.
The cavity of the rack is coated with paint for absorbing laser scattered light.
The base is a hollow round table with openings at two ends, wherein one end with a smaller diameter is used for fixing the heating table. The structure enables the base to radiate energy to the periphery when being heated and does not influence the spectral test of the material to be measured above.
The heating seat and the rack are both made of 310s stainless steel, the heating seat and the rack can bear high temperature of over 1000 ℃ so as to avoid the base from being damaged by high temperature, and the stainless steel has low thermal conductivity and reduces the outward heat dissipation rate of the material to be measured.
The power of the carbon dioxide laser can be adjusted within 0-100%, and the material to be measured can reach different temperatures.
When heating solids, powders, granules, the heating stage can take different configurations. As shown in fig. 5 (a), when particles are heated, the heating table is annular, the outer edge of the heating table is coaxially and fixedly connected with the end face with the smaller diameter of the base, and the diameter of the central through hole of the heating table is smaller than that of the particles, so that the particles are fixed, and meanwhile, the interference of laser penetrating through the particles to the test can be avoided; as shown in fig. 5 (b), when the powder material is heated, the heating table is a powder pool coaxially and fixedly connected with the end surface with the smaller diameter of the base, the bottom wall of the powder pool is made of zinc selenide, and zinc selenide has high transmittance to laser light, so that the laser light can irradiate the material to be heated in the powder pool through the bottom wall of the powder pool; as shown in fig. 5 (c), when the solid material is heated, the heating stage is annular, the outer edge of the heating stage is coaxially and fixedly connected with the end face with the smaller diameter of the base, the diameter of the central through hole of the heating stage is smaller than that of the solid, the structure is similar to that adopted when the particles are heated, and the diameter of the central through hole of the heating stage is larger.
The material to be measured is used as particles for explanation, the particles are placed above the heating seat, the heating seat is placed on the rack, the reflecting mirror and the collecting mirror are placed in the rack, laser emitted from the carbon dioxide laser passes through the reflecting mirror and then turns to be vertical upwards from the horizontal direction, the laser passes through the heating seat to irradiate the surface of the particles after the energy density of the laser is improved by the collecting mirror, cooling water flows out of the water cooler, enters the heating seat from a water inlet of the heating seat through a pipeline to be cooled, and then flows into the water cooler from a water outlet.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A heating device for measuring the spectral characteristics of a high-temperature material is characterized by comprising a heating seat, a bench, a carbon dioxide laser, a reflector, a condenser and a water cooler;
the heating seat is made of a material with low heat conductivity coefficient and comprises a base and a heating table, wherein the base is provided with a through hole through which laser irradiates the heating table; the heating table is fixed on the base and used for placing a material to be measured, so that the laser passing through the through hole of the base can irradiate the material fixed on the heating table;
the base is fixed on the rack; a cavity is arranged in the rack, and a light inlet and a light outlet are arranged on the rack; the reflecting mirror and the collecting mirror are both arranged in a cavity of the rack;
the carbon dioxide laser is used for emitting laser, so that the laser irradiates a reflector in the cavity of the rack from a light inlet of the rack;
the reflecting mirror is used for reflecting the laser emitted by the carbon dioxide laser to the collecting mirror;
the condensing lens is used for focusing the laser reflected by the reflecting mirror to improve the energy density and irradiating the laser from a light outlet of the rack to the bottom of the heating table through the through hole on the base to heat the material to be measured on the heating table;
a fluid channel for heat dissipation is arranged in the base, and a water inlet and a water outlet which are connected with the fluid channel are arranged on the surface of the base body;
the output port of the water cooling machine is connected with the water inlet on the surface of the base through a pipeline, and the input port of the water cooling machine is connected with the water outlet on the surface of the base through a pipeline, so that the water cooling machine is used for dissipating heat of the base body.
2. The heating device for spectral characteristic measurement of high-temperature material according to claim 1, wherein the heating base and the stage are both made of 310s stainless steel.
3. The heating device for spectral characteristic measurement of high-temperature material according to claim 1, wherein a coating for absorbing laser scattered light is coated in the cavity of the stage.
4. The heating device for spectral characteristic measurement of high-temperature material according to claim 1, wherein the base is a hollow circular truncated cone with two open ends, wherein the end with smaller diameter is used for fixing the heating table.
5. The heating device for spectral characteristic measurement of high-temperature material according to claim 4, wherein the heating stage is in a ring shape and is used for heating granular material or solid material; the outer edge of the heating table is coaxially and fixedly connected with the end face with the smaller diameter of the base, and the diameter of the central through hole of the heating table is smaller than that of the material to be heated, and the central through hole is used for fixing the material to be heated and enabling laser to directly irradiate the material to be heated.
6. The heating device for spectral characteristic measurement of high-temperature materials according to claim 4, wherein the heating stage is a powder pool coaxially and fixedly connected with the end surface with the smaller diameter of the base, and the bottom wall of the powder pool is made of zinc selenide material, so that laser can irradiate to the material to be heated in the powder pool through the bottom wall of the powder pool.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022038451.8U CN213516848U (en) | 2020-09-17 | 2020-09-17 | Heating device for be used for high temperature material spectral characteristic to measure |
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| CN202022038451.8U CN213516848U (en) | 2020-09-17 | 2020-09-17 | Heating device for be used for high temperature material spectral characteristic to measure |
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| CN213516848U true CN213516848U (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129710A (en) * | 2020-09-17 | 2020-12-25 | 南京航空航天大学 | Heating device for be used for high temperature material spectral characteristic to measure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129710A (en) * | 2020-09-17 | 2020-12-25 | 南京航空航天大学 | Heating device for be used for high temperature material spectral characteristic to measure |
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