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Electrical heater capable of realizing heat conduction and infrared radiation at the same time

A technology of infrared radiation and electric heater, applied in the direction of ohmic resistance heating parts, heating element shape, etc., can solve the problems of easy burnout of resistance wire and low efficiency of heater.

Active Publication Date: 2014-08-13
GIENKEE PLAS SCI & TECH SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the technical defects of low heater efficiency and easy burnout of the resistance wire in the prior art, the present invention provides an electric heater that simultaneously realizes heat conduction and infrared radiation

Method used

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  • Electrical heater capable of realizing heat conduction and infrared radiation at the same time
  • Electrical heater capable of realizing heat conduction and infrared radiation at the same time
  • Electrical heater capable of realizing heat conduction and infrared radiation at the same time

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Embodiment approach

[0025] Such as figure 1 as shown in figure 1 is the first embodiment of the present invention, such as figure 1 As shown, the electric heater includes a resistance wire 1 for providing a heat source. The resistance wire 1 is fixed in the quartz tube 3 . When the resistance wire 1 is energized, 95% of the generated near-infrared light and visible light are converted into far-infrared rays by the quartz tube 3 . The quartz tube 3 is fixed by the heat-conducting metal 2 , and the quartz tube 3 is closely attached to the surface of the heated object 4 . At the same time, the heat-conducting metal 2 is also in close contact with the surface of the object 4 to be heated. The advantage of this design is that the heat transferred other than the far-infrared radiation can realize heat conduction through the close contact between the heat-conducting metal 2 and the object to be heated 4 . Compared with the prior art, the heat transfer efficiency is further increased.

[0026] Anot...

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Abstract

The invention discloses an electrical heater capable of realizing heat conduction and infrared radiation at the same time. The electrical heater is used to heat an object to be heated. The electrical heater comprises: an electrical heating body, wherein the electrical heating body is used to convert electrical energy into heat energy; a quartz tube, wherein the electrical heating body is arranged in the quartz tube; and a thermally-conductive metal, wherein the thermally-conductive metal is used to fix the quartz tube onto the surface of the object to be heated, and the inner surface of the thermally-conductive metal clings to the quartz tube and the surface of the object to be heated at the same time.

Description

technical field [0001] The invention relates to an electric heating device, in particular to an electric heater which simultaneously realizes heat conduction and infrared radiation. Background technique [0002] At present, the common electric heaters usually adopt two forms. One is: the resistance wire converts part of the electric energy into heat energy, and heats the insulating medium, and then transfers the heat energy to the heated object one by one only by conduction. Due to the many links of heat conduction, large thermal inertia and large thermal resistance, the corresponding speed of heating is slow, the heating loss is large and the efficiency is low. At the same time, due to the lack of effective heat insulation measures, the heat dissipation is more, the energy loss is larger, and the resistance wire is always in a heated state, so the service life is shorter. The other is: use resistance wire to convert part of the electric energy into infrared radiation energ...

Claims

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Application Information

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IPC IPC(8): H05B3/44H05B3/02
Inventor 陈明华
Owner GIENKEE PLAS SCI & TECH SUZHOU
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