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Heater

A technology for heaters and cylindrical parts, applied in the direction of lamp circuit components, etc.

Inactive Publication Date: 2021-01-19
TOSHIBA LIGHTING & TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cracks are more likely to occur when the gas filling pressure becomes higher

Method used

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Embodiment Construction

[0017] Hereinafter, embodiments will be described with reference to the drawings. In addition, in each drawing, the same code|symbol is attached|subjected to the same component, and detailed description is abbreviate|omitted suitably.

[0018] The heater according to this embodiment can be used to heat an object or a space in which the object is placed. Hereinafter, as an example, a heater required to have anti-glare property will be described. Heaters that require anti-glare properties can be used, for example, as heating equipment for heating spaces such as stores. However, the heater according to this embodiment can also be applied to heaters that do not require anti-glare properties. That is, the heater according to this embodiment can also be applied to a heater not provided with a film described later.

[0019] figure 1 It is a schematic diagram for illustrating the heater 1 which concerns on this embodiment.

[0020] figure 2 yes figure 1 Schematic enlarged view...

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PUM

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Abstract

The invention provides a heater capable of cutting off energization of a coil before cracking. The heater according to an embodiment of the present invention is provided with a cylindrical section inwhich a halogen-containing gas is sealed; sealing parts which are respectively arranged at the end parts of the two sides of the cylindrical part; conductive parts which are respectively arranged in the sealing parts; a coil provided inside the cylindrical portion and extending along a tubular axis of the cylindrical portion; branch wires which are respectively provided at both ends of the coil, one end side of which is electrically connected to the conductive part inside the sealing part, and the other end side of which is electrically connected to the coil inside the cylindrical part, and which contain tungsten; at least one lead wire, one end side of which is electrically connected to the conductive portion inside the sealing portion and the other end side of which is exposed from the sealing portion; and a cut-off control unit that is provided inside the cylindrical unit on at least one of the branch lines provided at the ends of both sides of the coil, respectively.

Description

technical field [0001] Embodiments of the present invention relate to a heater. Background technique [0002] There is a heater that heats an object by heat radiation. Such a heater includes: an arc tube, a coil provided inside the arc tube, a sealing part provided at both ends of the arc tube, a film-shaped conductive part provided inside the sealing part, and a coil exposed from the sealing part. leads etc. In addition, an end portion of the coil is electrically connected to the conductive portion via a branch line. [0003] Typically, the coils contain tungsten. If voltage is applied to the heater, the coil will generate heat. When the coil generates heat, tungsten evaporates easily, so in order to suppress the evaporation of tungsten, a gas containing a halogen is sealed inside the arc tube. Usually, the gas filling pressure is set to about 1 standard atmospheric pressure (101325 Pa). [0004] In recent years, a heater with a higher load than conventional ones has ...

Claims

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Application Information

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IPC IPC(8): H01K1/64
CPCH01K1/64
Inventor 阿部周平
Owner TOSHIBA LIGHTING & TECH CORP
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