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Infrared radiator

An infrared radiation and radiation source technology, applied in the field of infrared radiation sources, can solve problems such as damaged bulbs, lamp breakage, leakage, etc.

Inactive Publication Date: 2004-11-03
HERAEUS NOBLELIGHT LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process is energy intensive and carries the risk of damaging the sleeve or bulb through deformation
The inevitable change in wall thickness of the sleeve may result in leaks, or even breakage of the lamp

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] figure 1 A longitudinal sectional view of an infrared radiation source 1 is shown with a sleeve 2 made of quartz glass and having an inner diameter of 18 mm, which is reduced to 16 mm in the region of the projection 3 . On its inner diameter, the sleeve 2 has a protrusion 3 made of quartz glass, which extends in a straight line from one end of the sleeve 2 to the other. A heating coil 4 made of carbon fiber material is located in the sleeve 2 in such a way that the outer diameter of the heating coil 4 contacts the protrusion 3 only at the highest point of the protrusion. In practice, however, for the infrared radiation source 1 the helical region of the heating coil 4 is placed on the protrusion 3 only if isolated. The bushing 2 is sealed at its two ends by stamped seals 2a, 2b known to those skilled in the art, heating is obtained by means of electric wires 5a, 5b and thin molybdenum foils 6a, 6b embedded airtight in the stamped seals 2a, 2b Electrical contact for c...

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PUM

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Abstract

The invention relates to an infrared radiation source having at least one electrical heat conductor situated in a long, two-ended casing tube made of quartz glass, the casing tube having at least one elevation made of quartz glass on its wall which faces the at least one heat conductor, which locally reduces the inner diameter of the casing tube. At least one heat conductor is designed as a heating coil. The casing tube has a constant outer diameter in the region of the heating coil, the elevation has a convex shape on its surface facing the heating coil, and the heating coil contacts the elevation only at the highest point of the elevation.

Description

technical field [0001] The invention relates to a source of infrared radiation, which has at least one electric heat conductor, which is located in an elongated, two-ended sleeve made of quartz glass, the sleeve in its side wall There is at least one elevation made of quartz glass, the side wall faces the at least one heat conductor, which reduces the inner diameter of the bushing. Background technique [0002] For such an infrared radiation source reference is made to US 6,057,532. Therein, an infrared radiation source is disclosed, which has a heat conductor made of carbon fibers, which is located in a sleeve made of quartz glass. Wherein a positioning cavity is disclosed for locating and centering an elongated, strip-shaped heat conductor inside the casing, the positioning cavity is point-like and diametrically opposite to the casing when viewed along the cross-section of the casing. on the inner wall of the tube. In the region of the positioning cavity, the outer diam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/06A61N5/06H01J5/50H05B3/00H05B3/10H05B3/44
CPCA61N5/06H05B2203/032H05B3/009H01J5/50
Inventor S·格罗布J·舍尔策S·利诺
Owner HERAEUS NOBLELIGHT LTD