CN104266674A - Lens type simulation device of high heating flux heating surface - Google Patents
Lens type simulation device of high heating flux heating surface Download PDFInfo
- Publication number
- CN104266674A CN104266674A CN201410554443.5A CN201410554443A CN104266674A CN 104266674 A CN104266674 A CN 104266674A CN 201410554443 A CN201410554443 A CN 201410554443A CN 104266674 A CN104266674 A CN 104266674A
- Authority
- CN
- China
- Prior art keywords
- heating surface
- high heat
- heat flux
- flux area
- heating
- 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.)
- Granted
Links
Abstract
The invention discloses a lens type simulation device of a high heating flux heating surface. The lens type simulation device structurally comprises a fixing component, a parallel light generator, a convex lens, a cooler and a visor, wherein the parallel light generator is installed on the fixing component and used for emitting parallel light which has low energy flux density; the convex lens and the cooler are sequentially arranged in the emitting direction of the parallel light, and the convex lens enables the parallel light with low energy flux density to form the high heating flux heating surface on the surface of the cooler. The high heating flux heating surface obtained by the simulation device has the advantages of being uniform in distribution, high in heating flux, free of thermal contact resistance, high in heating efficiency and rapid in temperature rise, the heating flux and the radius of a heating area are adjustable, heating boundary areas with different shapes and areas can be obtained by changing the shape and size of light-permissible holes of the visor, and the various requirements for high heating flux heating in the field of thermal testing and physical experiments can be met.
Description
Technical field
The present invention relates to a kind of analogue means of the area of heating surface, particularly relate to a kind of lens type analogue means of the high heat flux area of heating surface, belong to thermal measurement technical field.
Background technology
What the current laboratory simulation high heat flux area of heating surface adopted mostly is the mode that film heating, Resistant heating and heat block heat.When adopting film heating, under high temperature, film and the different meetings of heat sink material attribute cause the generation of huge thermal stress, heat flux distribution inequality can be produced during Resistant heating, the heat block area of heating surface and heat sink surface have very large thermal contact resistance, and therefore the high heat flux area of heating surface cannot arrive the requirement of simulation.
The analogy method of the current already present high heat flux area of heating surface exists that heat flow density is lower, heat block and heat exchange surface thermal resistance is comparatively large, heat current densimeter is not calculated accurately really or add the shortcomings such as thermal response is too slow.
Summary of the invention
Because the above-mentioned defect of prior art, technical matters to be solved by this invention is to provide one can simulate that the high heat flux area of heating surface, structure are simple, flexible operation, effective analogue means and method, and the high heat flux area of heating surface of acquisition is had, and heat flow density is large, heating efficiency is high, heat up feature rapidly.
For achieving the above object, the invention provides a kind of lens type analogue means of the high heat flux area of heating surface, its structure comprises fixed part, parallel light generator, convex lens, refrigeratory and shadow shield; Described parallel light generator is arranged on described fixed part, and for sending directional light, described directional light has low energy flux density; Be disposed with described convex lens and described refrigeratory along described directional light transmit direction, described convex lens can make the described directional light with described low energy flux density form the high heat flux area of heating surface at described cooler surface.
Further, described fixed part is also provided with roll adjustment parts, described roll adjustment parts are for regulating the position of described parallel light generator on described fixed part.
Further, the lens type analogue means of the described high heat flux area of heating surface also comprises fan, and described fan is arranged on the side of described convex lens, for cooling described convex lens.
Further, the distance between described convex lens and described parallel light generator is the first distance, and described first distance has adjustability, by the radius regulating described first distance can change the described high heat flux area of heating surface.
Further, the distance between described convex lens and described refrigeratory is second distance, and described second distance has adjustability, by the radius regulating described second distance can change the described high heat flux area of heating surface.
Further, described parallel light generator is parallel light source, can be adjusted the heat flow density of the described high heat flux area of heating surface by the intensity and dot matrix number changing described light source.
Further, described parallel light generator is made up of the array of source be parallel to each other.
Further, the described high heat flux area of heating surface is the hot spot that described directional light is formed at described cooler surface by described convex lens, and the heat flow density of described hot spot is 10
2-10
8w/m
2.
Further, described shadow shield has light hole, and the shape of described light hole is circular or polygon.
Present invention also offers a kind of method utilizing the lens type analogue means as any one high heat flux area of heating surface above-mentioned to carry out the simulation of the high heat flux area of heating surface.
The lens type analogue means of the high heat flux area of heating surface of the present invention utilizes convex lens to the focussing force of directional light, the directional light beams converge with low energy flux density parallel light generator produced is to a less region, thus obtain the high heat flux area of heating surface, the described high heat flux area of heating surface has and is evenly distributed, heat flow density is large, contactless thermal resistance, heating efficiency is high, heat up advantage rapidly, and heat flow density and heating region radius have adjustability, shape and the area of the high heat flux regions on optically focused surface can be regulated by switching the shadow shield with the light hole of difformity and size simultaneously, thus obtain the heating region of difformity and area, the requirement of all kinds of high heat flux heating in thermal testing and Physical Experiment field can be met completely.The present invention also utilizes fan to cool convex lens, effectively prevent convex lens in optically focused process because temperature raises the damage caused.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the lens type analogue means of the high heat flux area of heating surface of a preferred embodiment of the present invention;
Fig. 2 is the shadow shield schematic diagram with circular light hole of preferred embodiment of the present invention;
Fig. 3 is the shadow shield schematic diagram with triangle light hole of preferred embodiment of the present invention;
Fig. 4 is the shadow shield schematic diagram with square light hole of preferred embodiment of the present invention;
Fig. 5 is the shadow shield schematic diagram with rectangle light hole of preferred embodiment of the present invention.
Embodiment
As shown in Fig. 1 ~ Fig. 5, a preferred embodiment of the present invention provides a kind of lens type analogue means of the high heat flux area of heating surface, and its structure comprises fixed part 1, parallel light generator 3, convex lens 5 and refrigeratory 7.Wherein, parallel light generator 3 is arranged on fixed part 1, and parallel generator 3 is made up of the array of source that a group is parallel to each other, and for sending directional light 4, directional light 4 has low energy flux density; Be disposed with convex lens 5, shadow shield 6 and refrigeratory 7 along directional light 4 transmit direction, the center of shadow shield 6 is provided with light hole 10.Convex lens 5 can make the directional light 4 with described low energy flux density through the light hole 10 on shadow shield 6, form the high heat flux area of heating surface on refrigeratory 7 surface, and shadow shield 6 has the shape of adjustment converging beam to change the effect of heating region shape.
Fixed part 1 is provided with roll adjustment parts 2, roll adjustment parts 2 are for regulating the position of parallel light generator 3 on fixed part 1.
In the present embodiment, distance between convex lens 5 and parallel light generator 3 is the first distance, distance between convex lens 5 and refrigeratory 7 is second distance, first Distance geometry second distance all has adjustability, by the radius regulating the first Distance geometry second distance can change the high heat flux area of heating surface that refrigeratory 7 surface is formed.
In the present embodiment, parallel light generator 3 can send the directional light 4 of varying strength and dot matrix number, can be adjusted the heat flow density of the high heat flux area of heating surface by the intensity and dot matrix number changing the light source of parallel light generator 3.
The high heat flux area of heating surface in the present embodiment is the hot spot that directional light 4 is formed on refrigeratory 7 surface by convex lens 5, and the heat flow density of this hot spot is 10
2-10
8w/m
2.
In the present embodiment, the shape and size of the light hole 10 on shadow shield 6 are programmable, can be circular (see Fig. 2), also can be polygon, such as triangle (see Fig. 3), square (see Fig. 4), rectangle (see Fig. 5), pentagon etc., also can be other arbitrary shape, its range of size be arbitrary.
The lens type analogue means of the high heat flux area of heating surface of the present embodiment also comprises fan 9, because convex lens 5 pairs of directional lights 4 have absorption characteristic, thus the temperature of self can be made to raise, therefore in the present embodiment, fan 9 is arranged on the side of convex lens 5, convex lens 5 are cooled, leave in the mode of forced convertion by the heat accumulated in convex lens 5, avoid the too high damage caused of Yin Wendu.Arrow 8 in Fig. 1 represents the blowing direction of fan 9.
The present embodiment additionally provides a kind of method utilizing the lens type analogue means of the above-mentioned high heat flux area of heating surface to carry out the simulation of the high heat flux area of heating surface: the directional light utilizing convex lens 5 parallel light generator 3 to be sent converges, and forms hot spot and the high heat flux area of heating surface after convergence on refrigeratory 7 surface.By regulating the size of parallel light generator 3 and convex lens 5 and the distance determination heating region radius between convex lens 5 and refrigeratory 7, adjusted the size of heat flow density simultaneously by the intensity of the light source changing parallel light generator 3, thus obtain the required high heat flux area of heating surface.
The high heat flux area of heating surface that the present embodiment obtains have be evenly distributed, heat flow density is large, contactless thermal resistance, heating efficiency is high, intensification is rapid, heating region shape and the adjustable advantage of area, and the lens type analogue means of the high heat flux area of heating surface of this enforcement can be used for aerospace flight vehicle thermal protection, electric device cooling, the large field such as temperature difference heat energy utilization, nuclear reactor cooling.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. a lens type analogue means for the high heat flux area of heating surface, is characterized in that, comprises fixed part, parallel light generator, convex lens, refrigeratory and shadow shield; Described parallel light generator is arranged on described fixed part, and for sending directional light, described directional light has low energy flux density; Be disposed with described convex lens and described refrigeratory along described directional light transmit direction, described convex lens can make the described directional light with described low energy flux density form the high heat flux area of heating surface at described cooler surface.
2. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, described fixed part is also provided with roll adjustment parts, described roll adjustment parts are for regulating the position of described parallel light generator on described fixed part.
3. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, the lens type analogue means of the described high heat flux area of heating surface also comprises fan, and described fan is arranged on the side of described convex lens, for cooling described convex lens.
4. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, distance between described convex lens and described parallel light generator is the first distance, described first distance has adjustability, by the radius regulating described first distance can change the described high heat flux area of heating surface.
5. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, distance between described convex lens and described refrigeratory is second distance, described second distance has adjustability, by the radius regulating described second distance can change the described high heat flux area of heating surface.
6. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, described parallel light generator is made up of the array of source that a group is parallel to each other.
7. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, described parallel light generator is parallel light source, can be adjusted the heat flow density of the described high heat flux area of heating surface by the intensity and dot matrix number changing described light source.
8. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, the described high heat flux area of heating surface is the hot spot that described directional light is formed at described cooler surface by described convex lens, and the heat flow density of described hot spot is 10
2-10
8w/m
2.
9. the lens type analogue means of the high heat flux area of heating surface as claimed in claim 1, it is characterized in that, described shadow shield has light hole, and the shape of described light hole is circular or polygon.
10. the method utilizing the lens type analogue means as the high heat flux area of heating surface in claim 1 ~ 9 as described in any one to carry out the simulation of the high heat flux area of heating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554443.5A CN104266674B (en) | 2014-10-17 | 2014-10-17 | Lens type simulation device of high heating flux heating surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410554443.5A CN104266674B (en) | 2014-10-17 | 2014-10-17 | Lens type simulation device of high heating flux heating surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266674A true CN104266674A (en) | 2015-01-07 |
| CN104266674B CN104266674B (en) | 2017-02-15 |
Family
ID=52158215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410554443.5A Active CN104266674B (en) | 2014-10-17 | 2014-10-17 | Lens type simulation device of high heating flux heating surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104266674B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007047721A2 (en) * | 2005-10-18 | 2007-04-26 | Gsi Group Corporation | Methods and apparatus for utilizing an optical reference |
| CN101590570A (en) * | 2008-05-26 | 2009-12-02 | 上海市激光技术研究所 | A kind of method of welding tube type heat exchanger by using laser scanning and device |
| CN102666072A (en) * | 2009-07-06 | 2012-09-12 | 3D系统公司 | Imaging assembly |
| CN103234998A (en) * | 2013-04-25 | 2013-08-07 | 哈尔滨工业大学 | High heating flux solar full-spectrum radiation heating device |
| CN103459083A (en) * | 2011-04-08 | 2013-12-18 | 三菱电机株式会社 | Laser machining device |
| CN103878704A (en) * | 2013-11-21 | 2014-06-25 | 湖南大学 | Fiber laser-assisted dressing equipment for dense bonded extra-hard grinding wheels |
-
2014
- 2014-10-17 CN CN201410554443.5A patent/CN104266674B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007047721A2 (en) * | 2005-10-18 | 2007-04-26 | Gsi Group Corporation | Methods and apparatus for utilizing an optical reference |
| CN101590570A (en) * | 2008-05-26 | 2009-12-02 | 上海市激光技术研究所 | A kind of method of welding tube type heat exchanger by using laser scanning and device |
| CN102666072A (en) * | 2009-07-06 | 2012-09-12 | 3D系统公司 | Imaging assembly |
| CN103459083A (en) * | 2011-04-08 | 2013-12-18 | 三菱电机株式会社 | Laser machining device |
| CN103234998A (en) * | 2013-04-25 | 2013-08-07 | 哈尔滨工业大学 | High heating flux solar full-spectrum radiation heating device |
| CN103878704A (en) * | 2013-11-21 | 2014-06-25 | 湖南大学 | Fiber laser-assisted dressing equipment for dense bonded extra-hard grinding wheels |
Non-Patent Citations (1)
| Title |
|---|
| 郑宏飞等: "反射式顺向聚焦整体跟踪式高温太阳能集热装置", 《太阳能学报》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104266674B (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102759800B (en) | Method for preparing microlens array beam shaper through femtosecond laser reinforced chemical etching | |
| CN205393783U (en) | Laser processing apparatus | |
| CN209215750U (en) | A kind of linear light spot laser far field focus emission antenna | |
| CN106395506A (en) | Winding reel with good radiating performance and cable winding and unwinding device | |
| CN104253206A (en) | Thermoelectric temperature control unit | |
| CN207783402U (en) | Unmanned plane radiator structure | |
| CN104266674A (en) | Lens type simulation device of high heating flux heating surface | |
| Leray et al. | Design and proof of concept of an innovative very high temperature ceramic solar absorber | |
| CN206632534U (en) | Weld indenter device | |
| CN104677406B (en) | Multiband moving target simulator | |
| CN206806731U (en) | A kind of high power semi-conductor bar bar laser shaper | |
| CN107479330A (en) | A kind of photolithography method using electron beam | |
| US8748851B2 (en) | Material aging apparatus | |
| Musika et al. | Investigation of flow and heat transfer characteristics of annular impinging jet | |
| CN204439998U (en) | For the radiator structure of projector ray machine | |
| CN204166202U (en) | A kind of adjustable focus uniform radiation optical system | |
| CN203378181U (en) | Household electrical appliance and radiator thereof | |
| CN105185694A (en) | Polycrystalline silicon film forming method, mask, polycrystalline silicon film, and film transistor | |
| KR102378524B1 (en) | Device for preventing deformation of electron beam three-dimension laminating | |
| CN105372816A (en) | Light uniforming method of optical fiber coupling type semiconductor laser | |
| CN105487235A (en) | High-energy-utilization-rate optical integrator apparatus suitable for large-power solar simulator | |
| CN206018792U (en) | A kind of radiating fin and apply its electric heater | |
| Patanasemakul et al. | Improved Radiation Uniformity in Concentrating Photovoltaic System using Reflective Secondary Optic | |
| CN104384710A (en) | Laser tunnel furnace light beam micro-integration focusing method and device | |
| Tsay et al. | Characteristics of heat dissipation from photovoltaic cells on the bottom wall of a horizontal cabinet to ambient natural convective air stream |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |