Nothing Special   »   [go: up one dir, main page]

CN109561523B - High-temperature heating device based on double-combination reflecting cover - Google Patents

High-temperature heating device based on double-combination reflecting cover Download PDF

Info

Publication number
CN109561523B
CN109561523B CN201811182857.4A CN201811182857A CN109561523B CN 109561523 B CN109561523 B CN 109561523B CN 201811182857 A CN201811182857 A CN 201811182857A CN 109561523 B CN109561523 B CN 109561523B
Authority
CN
China
Prior art keywords
reflector
arc
sample
heating
focus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811182857.4A
Other languages
Chinese (zh)
Other versions
CN109561523A (en
Inventor
詹霞
马艳玲
乔·科勒尔
张书彦
高建波
贡志锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre Of Excellence For Advanced Materials
Original Assignee
Centre Of Excellence For Advanced Materials
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre Of Excellence For Advanced Materials filed Critical Centre Of Excellence For Advanced Materials
Priority to CN201811182857.4A priority Critical patent/CN109561523B/en
Publication of CN109561523A publication Critical patent/CN109561523A/en
Application granted granted Critical
Publication of CN109561523B publication Critical patent/CN109561523B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/0033Heating devices using lamps
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/02Details
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/10Nuclear fusion reactors

Landscapes

  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

The invention discloses a high-temperature heating device based on double combined reflectors, which is used for improving the light focusing effect at a sample, and comprises a plurality of heating units, wherein each heating unit comprises a groove-shaped combined reflector and a heating lamp tube arranged in the groove-shaped combined reflector, the groove-shaped combined reflector comprises an elliptical arc reflector and two arc reflectors, the two arc reflectors respectively extend out from two ends of the elliptical arc reflector, and the heating lamp tube is positioned at the first focus of the elliptical arc reflector and at the circle centers of the two arc reflectors. The elliptical arc reflecting cover fully focuses the light rays emitted by the heating lamp tube positioned at the first focus onto the sample positioned at the second focus; secondly, reflecting the light rays with a smaller emission angle to the elliptical surface through the first focal point again by using the arc reflector, and finally still focusing the light rays on the sample; the whole arrangement of the heating unit is more compact by the structure of the reflecting cover, and the total depth of the reflecting cover is ensured not to be too shallow, so that the heating temperature of a sample is improved by condensing light.

Description

High-temperature heating device based on double-combination reflecting cover
Technical Field
The invention relates to the field of neutron scattering experiments, in particular to a high-temperature heating device based on a double-combination reflecting cover.
Background
With the deep research on the microstructure of the material, the neutron scattering method or the synchrotron radiation method is popularized and applied more. Taking a neutron scattering method as an example, scattering experiments at normal temperature and lower heating temperature have already had mature practical experience, and in order to more accurately understand the real-time change of material performance at high temperature, it is becoming more urgent to design a high-temperature heating furnace. The four existing hash neutron source official nets and published data in the world show that two methods of coil induction heating and infrared heating are generally adopted in high-temperature in-situ experiments of engineering samples, the induction heating method is obviously limited by the shape and the size of the samples, and the infrared heating method has a wider application range relatively.
The infrared heating method usually adopts a halogen tungsten filament lamp tube as a light source, and is matched with a reflecting cover to realize light focusing at a sample position in order to improve the heating effect, the maximum heating temperature of the engineering sample which can be achieved at present is about 1000 ℃, for part of special high-temperature materials, the existing neutron scattering in-situ experiment heating furnace can not meet the requirements, and a heating furnace with higher temperature needs to be designed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a high-temperature heating device based on double combined reflectors, which realizes better light focusing and higher emergent intensity, meets the geometrical requirement of a neutron scattering coverage angle after a sample and realizes the compact arrangement of the whole structure of a heating furnace.
The purpose of the invention is realized by adopting the following technical scheme:
a high-temperature heating device based on double combined reflectors is used for improving the light focusing effect at a sample, and comprises a plurality of heating units, each heating unit comprises a groove-shaped combined reflector and a heating lamp tube arranged in the groove-shaped combined reflector, the groove-shaped combined reflector comprises an elliptical arc reflector and two arc reflectors, the two arc reflectors respectively extend out from two ends of the elliptical arc reflector, and the heating lamp tube is positioned at a first focus of the elliptical arc reflector and at the circle centers of the two arc reflectors; the heating units are divided into two groups which are symmetrically arranged at two sides of the sample, and a neutron scattering coverage angle is formed by connecting tangent points of the sample and the arc reflecting covers positioned at the outer sides of the heating units at the same side; the groove-shaped combined reflecting cover further comprises a plane emergent port, the plane emergent port is located between the two circular arc reflecting covers and located close to one side of the sample, and the sample is located at a second focus of the elliptical arc reflecting cover.
Further, the number of the heating units is even, and the heating units are symmetrically arranged on two sides of the sample.
Further, the number of the heating units is 4 or 6.
Further, the intersection point of the elliptical arc reflector and the circular arc reflector, the edge point of the circular arc reflector and the sample are located on a straight line.
Further, the depth of the elliptical arc reflector is consistent with the height of the position of the first focus, or is smaller than the height of the position of the first focus or larger than the height of the position of the first focus.
Furthermore, the inner surfaces of the elliptical arc reflecting cover and the arc reflecting cover are plated with gold layers to improve the reflecting efficiency.
Further, the outer surfaces of the elliptical arc reflecting cover and the circular arc reflecting cover are provided with cooling channel systems.
Compared with the prior art, the high-temperature heating device based on the double-combination reflector has the following advantages that:
1) the invention adopts a groove-shaped reflector structure, the cross section of the groove-shaped reflector structure is in a combined shape of an elliptical arc and a circular arc, and the elliptical arc reflector fully focuses light rays emitted by a heating lamp tube positioned at a first focus onto a sample positioned at a second focus; secondly, reflecting the light rays with a smaller emission angle to the elliptical surface through the first focal point again by using the arc reflector, and finally still focusing the light rays on the sample; compared with the existing universal elliptical arc reflector in the field of neutron scattering, the combined shape enables the width of an exit port of the whole reflector in the direction of a sample to be narrowed, and under the condition that the neutron scattering coverage angle is certain behind the sample, the volume of a single reflector is enlarged, the integral structure is more compact, the total depth of the reflector is ensured not to be too shallow, and the heating temperature of the sample is improved more favorably by condensation.
2) The geometric dimensions of the ellipse and the circle are strictly calculated, three points of the intersection point of the ellipse and the circle, the edge point of the circle and the central point of the sample are collinear, the quantity of emergent rays can be optimized, and the reflector cannot be overhigh in temperature.
3) The inner surface of the reflecting cover is totally designed by a gold plating layer to improve the reflecting efficiency.
4) Simulation of the groove-shaped combined reflector provided by the invention through TracePro software shows that the light flux absorbed by a sample is increased by about 72% compared with that of an elliptical reflector.
Drawings
FIG. 1 is a perspective view of a high temperature heating apparatus based on a double combined reflector according to the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of the high-temperature heating apparatus based on the double combined reflection cover of FIG. 1;
FIG. 3 is a schematic structural diagram of a second embodiment of the high-temperature heating apparatus based on the double combined reflection cover of FIG. 1;
fig. 4 is a schematic structural diagram of a third embodiment of the high-temperature heating apparatus based on the double combined reflection cover of fig. 1.
In the figure: 10. a heating unit; 11. heating the lamp tube; 12. a trough-shaped combined reflector; 120. an elliptical arc reflector; 121. a circular arc reflector; 122. a planar exit port; 123. a point of intersection; 124. edge points; 20. neutron scattering coverage angle; 200. a sample; 300. a neutron detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all 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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a high temperature heating apparatus based on a dual combined reflector according to the present invention includes a plurality of heating units 10.
Each heating unit 10 includes a heating lamp 11 and a groove-shaped combined reflector 12. The heating lamp tube 11 is arranged in the groove-shaped combined reflecting cover 12. The groove-shaped combined reflector 12 comprises an elliptical-arc reflector 120, two circular-arc reflectors 121 and a planar exit port 122. The two arc reflectors 121 extend from the end of the elliptical reflector 120, and the planar exit opening 122 is located between the two arc reflectors 121. The elliptical arc reflector 120 and the circular arc reflector 121 form an intersection point 123 therebetween. An edge point 124 is formed between the edge of the arc reflector 121 and the planar exit port 122. The heating lamp tube 11 is located at a first focal point of the elliptical arc reflector 120 and the sample 200 is located at a second focal point of the elliptical arc reflector 120. The heating lamp 11 is located at the center of the two arc reflectors 121. The intersection point 123, the edge point 124 and the sample 200 are located on the same straight line, so that the quantity of the emergent rays can be optimized. The inner surfaces of the elliptical arc reflecting cover 120 and the two arc reflecting covers 121 are plated with gold layers to improve the reflecting efficiency. The outer walls of the elliptical arc reflecting cover 120 and the two circular arc reflecting covers 121 are provided with cooling channel systems.
The number of the heating units 10 is even. Preferably, the number of heating units 10 is 4 or 6. The heating units 10 are divided into two groups and symmetrically distributed on two sides of the sample 200, and a connecting line between the sample 200 and the outer tangent point of the arc reflector 121 forms a neutron scattering coverage angle 20. The neutron detectors 300 are respectively arranged on the left side and the right side of the sample 200 in the axial direction, and from a physical angle, the requirement of a certain coverage angle is provided for the emergent neutrons scattered by the sample 200, so that the neutron scattering coverage angle 20 is required to be larger than the physically required coverage angle value.
In the first embodiment, the depth of the elliptical arc reflector 120 coincides with the position of the first focal point. In the second embodiment, the depth of the elliptical arc reflector 120 is slightly shorter than the position of the first focal point. In the third embodiment, the depth of the elliptical arc reflector 120 is slightly longer than the position of the first focal point.
The high-temperature heating device based on the double-combination reflector has the following advantages:
1) the invention adopts a groove-shaped combined reflector 12 structure, the cross section is in a combined shape of an elliptical arc and a circular arc, and the elliptical arc reflector 120 fully focuses light rays emitted by the heating lamp tube 11 positioned at a first focus onto the sample 200 positioned at a second focus; secondly, the arc reflector 121 reflects the light rays with smaller emission angles to the elliptical surface through the first focus again, and finally focuses the light rays on the sample 200; compared with the existing universal elliptical arc reflector in the neutron scattering field, the combined shape enables the width of an exit port of the whole reflector along the sample direction to be narrowed, and under the condition that the neutron scattering coverage angle is certain after the sample 200, the single reflector 12 is large in size and compact in overall structure, and meanwhile, the total depth of the reflector 12 is not too shallow, so that the heating temperature of the sample 200 can be improved by condensation.
2) The geometric dimensions of the ellipse and the circle are strictly calculated, and the intersection point 123 of the ellipse and the circle, the edge point 124 of the circle and the central point of the sample 200 are collinear, so that the quantity of emergent rays can be optimized, and the temperature of the reflector cannot be overhigh.
3) The inner surface of the groove-shaped combined reflecting cover 12 is totally designed by a gold plating layer to improve the reflecting efficiency.
4) Simulation of the trough-type combined reflector 12 provided by the invention through TracePro software shows that the light flux absorbed by a sample is increased by about 72% compared with that of an elliptical reflector.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a high temperature heating device based on two combination bowl for promote sample department light focus effect, its characterized in that: the high-temperature heating device based on the double combined reflectors comprises a plurality of heating units, each heating unit comprises a groove-shaped combined reflector and a heating lamp tube arranged in the groove-shaped combined reflector, the groove-shaped combined reflector comprises an elliptical arc reflector and two arc reflectors, the two arc reflectors respectively extend out of two ends of the elliptical arc reflector, the heating lamp tube is positioned at a first focus of the elliptical arc reflector and positioned at the circle centers of the two arc reflectors, the heating units are divided into two groups which are symmetrically arranged at two sides of a sample, and a neutron scattering coverage angle is formed by tangent point connecting lines of the sample and the arc reflectors positioned at the outer sides of each group of heating units at the same side of the sample; the groove type combined reflecting cover further comprises a plane emergent port, the plane emergent port is located between the two arc reflecting covers and located close to one side of the sample, and the sample is located at the second focus of the elliptical arc reflecting cover.
2. The high-temperature heating apparatus based on the double combined reflector according to claim 1, wherein: the number of the heating units is even, and the heating units are symmetrically arranged on two sides of the sample.
3. The high-temperature heating apparatus based on the double combined reflector according to claim 2, wherein: the number of the heating units is 4 or 6.
4. The high-temperature heating apparatus based on the double combined reflector according to claim 1, wherein: and the intersection point of the elliptic arc reflector and the circular arc reflector, the edge point of the circular arc reflector and the sample are positioned on a straight line.
5. The high-temperature heating apparatus based on the double combined reflector according to claim 1, wherein: the depth of the elliptical arc reflector is consistent with the height of the position of the first focus, or is smaller than the height of the position of the first focus or larger than the height of the position of the first focus.
6. The high-temperature heating apparatus based on the double combined reflector according to claim 1, wherein: the inner surfaces of the elliptical arc reflecting cover and the arc reflecting cover are plated with gold layers to improve the reflecting efficiency.
7. The high-temperature heating apparatus based on the double combined reflector according to claim 1, wherein: and cooling channel systems are arranged on the outer surfaces of the elliptical arc reflecting cover and the circular arc reflecting cover.
CN201811182857.4A 2018-10-11 2018-10-11 High-temperature heating device based on double-combination reflecting cover Active CN109561523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811182857.4A CN109561523B (en) 2018-10-11 2018-10-11 High-temperature heating device based on double-combination reflecting cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811182857.4A CN109561523B (en) 2018-10-11 2018-10-11 High-temperature heating device based on double-combination reflecting cover

Publications (2)

Publication Number Publication Date
CN109561523A CN109561523A (en) 2019-04-02
CN109561523B true CN109561523B (en) 2022-06-07

Family

ID=65864880

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811182857.4A Active CN109561523B (en) 2018-10-11 2018-10-11 High-temperature heating device based on double-combination reflecting cover

Country Status (1)

Country Link
CN (1) CN109561523B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111624113A (en) * 2020-07-01 2020-09-04 西安交通大学 Heat-force-environment coupling loading universal platform capable of being integrated in various observation instruments

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340988A (en) * 1989-07-07 1991-02-21 Mitsubishi Electric Corp Electrostatic floating furnace
JP2001242109A (en) * 2000-02-29 2001-09-07 Rigaku Corp Infrared heating furnace
CN104320868A (en) * 2014-09-29 2015-01-28 绵阳力洋英伦科技有限公司 Elliptical surface focusing type pipe type heating device
CN105377784A (en) * 2013-07-23 2016-03-02 锋翔科技公司 Compound elliptical reflector for curing optical fibers
CN105822949A (en) * 2015-01-09 2016-08-03 哈尔滨新光光电科技有限公司 Uniform illumination system based on two reflecting covers
CN105823008A (en) * 2015-01-26 2016-08-03 欧司朗有限公司 Lighting device with light source and reflector of ellipsoidal reflective surface

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340988A (en) * 1989-07-07 1991-02-21 Mitsubishi Electric Corp Electrostatic floating furnace
JP2001242109A (en) * 2000-02-29 2001-09-07 Rigaku Corp Infrared heating furnace
CN105377784A (en) * 2013-07-23 2016-03-02 锋翔科技公司 Compound elliptical reflector for curing optical fibers
CN104320868A (en) * 2014-09-29 2015-01-28 绵阳力洋英伦科技有限公司 Elliptical surface focusing type pipe type heating device
CN105822949A (en) * 2015-01-09 2016-08-03 哈尔滨新光光电科技有限公司 Uniform illumination system based on two reflecting covers
CN105823008A (en) * 2015-01-26 2016-08-03 欧司朗有限公司 Lighting device with light source and reflector of ellipsoidal reflective surface

Also Published As

Publication number Publication date
CN109561523A (en) 2019-04-02

Similar Documents

Publication Publication Date Title
US7763840B2 (en) Radiant energy collector
EP3114405B1 (en) Lamp assembly
CN105911805B (en) A kind of compact-sized light-source system
JP5469597B2 (en) LED brightness enhancement via specular retroreflection, including collimator to avoid etendue restrictions
JP5819025B2 (en) Concentrator device
TWI291568B (en) LED lighting device and headlamp system
CN104583669A (en) Lighting device with a LED and an improved reflective collimator
CN205079478U (en) Slot type solar energy spotlight solar collecting system
CN109561522B (en) High-temperature heating device based on three combination bowl
CN109561523B (en) High-temperature heating device based on double-combination reflecting cover
US20110220094A1 (en) Secondary reflector for linear fresnel reflector system
WO2017050598A1 (en) Efficient collimating optics by collecting the full hemisphere in tir-fresnel lens designs
US9085373B2 (en) Aerospace ground maneuver light
US4039816A (en) Arrangement for transmitting light energy
CN208504060U (en) A kind of stage lighting light-source system with light bulb safeguard function
US3217702A (en) Radiation collecting devices
Timinger et al. Optimized secondary concentrators for a partitioned central receiver system
CN208535621U (en) The headlamp that the light beam of light source is all reflected
US2510421A (en) Extracting energy waves of certain length from a heated body
CN204042762U (en) A kind of torch Reflecting lamp cup
CN204042763U (en) A kind of LED reflection cup
US20090296889A1 (en) High intensity x-ray beam system
CN213631735U (en) Heat radiation structure
CN213810227U (en) Tunnel light source
CN115264414B (en) Combined compact LED lens

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
OL01 Intention to license declared