CN205560741U - Infrared radiation of multiple reflection face parabola type can total reflection cover - Google Patents

Abstract

The utility model discloses an infrared radiation of multiple reflection face parabola type can total reflection cover, including gas combustion heating radiant tube, the heat passes through the radiant tube conversion and produces radial infrared ray, plane of reflection reflection to the zone of heating of infrared ray on the bowl, the bowl is two parabola type bowls, and the radiant tube central line sets up on the vertical plumb line of two parabola bowl coincide points, and the extension outline line of radiant tube profile and two parabola bowls is tangent, the radiant tube profile bottom with the parabola bowl under the bottom surface on same straight line, radial infrared radiation is reflected to the radiant tube below through the plane of reflection to the plane of reflection. The utility model has the advantages that: having utilized standard parabolical curved surface characteristics, having adopted six reflection plane, 360 degrees infrared rays making the radiant tube produce can both pass through the plane of reflection, through once and secondary reflection, go out all infrared reflection.

Description

The parabolic type infrared radiation of multiple reflection face can be totally reflected cover

Technical field

This utility model relates to technical field of heating, a kind of infrared radiation reflection cover.

Background technology

On current gas infrared radiant heating market, traditional radiation shield uses M type section structure mostly, and this structure fabrication is simple and quick, but the plane of reflection is single, and radiation secondary reflection rate (reflecting again) is big.Actual reflection efficiency is less than 90%, remaining heat is because being gathered in the specular dead of reflector, reflector local back surface temperature can be caused to raise, and make the heat that cannot reflect be full of whole reflector, afterwards, from edge at the bottom of reflector both sides, height can be risen to and lose in the air in the way of cold-hot air convection；Thus reduce the heating efficiency of whole equipment；Reflector scattering situation is the most prominent；Although feeling to reach bigger radiation witdth, but the radiation of radiation witdth (scope) both sides, belong to diffusive condition, it is impossible to reach the cascade unit of requirement, can not well heating target be heated, cause efficiency recessiveness to waste；

Chinese Patent Application No. 200520121584.4, applies for that artificial Meidi Group Co. Ltd. discloses " a kind of reflector for electric heating barbecue apparatus.Including reflective hood, wherein the inner surface of reflective hood is divided into the reflecting surface of several shapes in curved surface, neighboring reflection face to be connected.Above-mentioned some reflectings surface parabolically shape.The inner surface of above-mentioned reflective hood is divided into the first reflecting surface and the second reflecting surface, the first reflecting surface and the second reflecting surface to be connected along medium position.", this patent uses double-paraboloid line style reflector, but have employed double heating source, and, heating source is arranged on parabolical focal position, it is impossible to accomplish ultrared whole reflection.

Utility model content

For solving above-mentioned technical problem, this utility model is according to nomianl para-curve principle, and using double-paraboloid line is reference baseline, makes multiple reflection face reflector.Utilize computer software that radiation and reflection carry out radiation and follow the trail of demonstration, to determine this product reflecting effect to radiation, by simulation, show the reflection case that infrared radiation is actual intuitively, and carry out operation instruction with this theory, improve the thermal efficiency of heating system；Concrete technical scheme is as follows:

The parabolic type infrared radiation of multiple reflection face can be totally reflected cover, and including fuel gas buring heating radiation pipe, heat is converted by radial canal and produces radial infrared ray；The reflective surface that infrared ray is reflected on cover is to the thermal treatment zone, it is characterized in that: described reflector is two parabolic type reflectors, radial canal centrage is arranged on two parabolic reflective cover coincidence point longitudinal direction vertical lines, and the prolongation contour line of radial canal profile and two parabolic reflective covers is tangent；Radial canal profile bottom is with parabolic reflective cover bottom surface on the same line；Radial infrared radiation is on reflecting surface, and the face of being reflected reflexes to below radial canal.

Described reflecting surface is that multiple plane reflecting surface connects composition.

The plane reflecting surface of each reflector is 6.

The utility model has the advantages that: the advantage of strengthening traditional reflective cover, overcome its shortcoming and improve heat utilization rate, reducing energy resource consumption.Make use of the curved surface feature of nomianl para-curve, use the hexahedro plane of reflection, make 360 degree of infrared ray that radial canal produces, can be transferred through reflecting surface, through once and secondary reflection, all infrared reflections are gone out；In whole reflector, areflexia blind area, without dead angle.Infrared reflection rate is made to reach 100%；Reflector back temperature is not higher than 28 DEG C；Thus reduce heat-energy losses.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Detailed description of the invention

Illustrate this utility model below in conjunction with the accompanying drawings, as it is shown in figure 1, the parabolic type infrared radiation of multiple reflection face can be totally reflected cover, including fuel gas buring heating radiation pipe 12, heat is converted by radial canal 12 and produces radial infrared ray, such as the infrared ray 1,2,3,4,5,6 in figure；Infrared ray is reflected the reflective surface on cover 10 to the thermal treatment zone, described reflector 10 is two parabolic type reflectors, radial canal centrage p is arranged on two parabolic reflective cover coincidence point longitudinal direction vertical lines (the longitudinal direction i.e. above-below direction of Fig. 1), and radial canal profile 13 is tangent with the prolongation contour line 11 of two parabolic reflective covers；Radial canal profile bottom m and parabolic reflective cover bottom surface n is on the same line；Radial infrared radiation is on reflecting surface, and the face of being reflected reflexes to below radial canal.

Described reflecting surface is that multiple plane reflecting surface connects composition, such as reflecting surface A, B, C, D, E, F of Fig. 1.The plurality of reflecting surface connects into entirety by the shape arc with reference to parabola 18.

By setting the opening shape of parabolic irdome.Under reflector below outlet at 20cm, reflected ray should ensure that plumbness, otherwise easily causes the radiation energy deficiency arriving ground, although observe from surface and think that radiation witdth increases, but can not effectively do work (adding hot object)；

Implement such as Fig. 1, a diameter of 102mm of radial canal, step is as follows:

First setting up reflector parabola model on Autocad, design parameter is:

P=71mm；Focus: F (0,35.5)；

According to parabolic equation x²=-2Py, obtains the parabola that A/F is 280mm, and height is 140mm；

2. mirror image parabola, makes the two paraboloidal cross facets focus by the other side, obtained hyperbolic face shield as shown in Figure 1, on this basis, the relative position of infrared radiation pipe is determined, i.e., radiation pipeline surface camber line and two parabola both sides are tangent, obtain the pipeline concrete coordinate in curved surface；

Checking:

Doing simulation radiation on radiation pipeline, from central point to surrounding radially, radiation quantity is with 64 as analog basis, and radiation etc. divides 360 ° for radiation；

Further, every radiation intersects with parabola, is perpendicular to paraboloidal vertical line (i.e. normal 14) in joining, according to light line reflection ultimate principle, makes reflected ray；

And then draw the line reflection face at areflexia dead angle；Such as: No. 1 radiation, for reflecting surface F, it is to produce the most probable region of dead angle, if can accomplish to reflect unobstructed in this angle of radiation, then other radiation on this F reflecting surface realize reflection surely with regard to one；By that analogy, MIN plane reflection face is made；

Being measured by three points for measuring temperature 14,16,17, reflector back temperature is not higher than 28 DEG C；

In figure, 8 is primary event line, and 9 is secondary radiation.

Claims (3)

1. parabolic type infrared radiation in multiple reflection face can be totally reflected cover, adds including fuel gas buring Heat radiation tube, heat is converted by radial canal and produces radial infrared ray；Infrared ray is reflected cover On reflective surface to the thermal treatment zone, it is characterised in that: described reflector is two parabolic types Reflector, radial canal centrage is arranged on two parabolic reflective cover coincidence point longitudinal direction vertical lines, spoke The prolongation contour line penetrating pipe profile and two parabolic reflective covers is tangent；Radial canal profile under End is with parabolic reflective cover bottom surface on the same line.

Multiple reflection face the most according to claim 1 parabolic type infrared radiation can be totally reflected Cover, it is characterised in that: described reflecting surface is that multiple plane reflecting surface connects composition.

Multiple reflection face the most according to claim 2 parabolic type infrared radiation can be all-trans Penetrate cover, it is characterised in that: the plane reflecting surface of each reflector is 6.