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Electric heating device

A technology of electric heating and equipment, which is applied in the direction of ohmic resistance heating parts, heating element shape, etc., can solve the problems of slow heating response speed, low energy utilization rate, short life of resistance wire, etc., and achieve the improvement of heat transfer efficiency, temperature and The effect of small target temperature temperature difference and uniform heating

Pending Publication Date: 2020-07-14
筱艾(上海)节能科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

These two types of heaters have disadvantages such as low energy utilization rate, slow heating response speed, and short service life of resistance wire.
The above two types of heaters have low energy utilization rate and low heat transfer efficiency, so the temperature difference between the surface of the heated object and the surface of the resistance wire is too large, resulting in a short life of the resistance wire

Method used

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  • Electric heating device
  • Electric heating device
  • Electric heating device

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Embodiment Construction

[0025] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementations disclosed below.

[0026] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial...

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Abstract

The invention discloses electric heating equipment. The heater is used for transmitting heat energy to a heated object. The electric heating device comprises an electric heating tube, the electric heating tube comprises a quartz tube, an electric heating body arranged in an inner cavity of the quartz tube and a heat conduction layer for fixing the electric heating tube to the surface of the objectto be heated, the heat conduction layer is composed of a plurality of heat conduction elements, a heat preservation layer is arranged outside the heat conduction layer, and the outer surfaces of theheat conduction elements comprise at least one protrusion which makes contact with the heat preservation layer.

Description

technical field [0001] The invention relates to a heating device, in particular to an electric heating device. Background technique [0002] The electric heating device is a device that consumes electric energy and converts it into heat energy to heat the materials to be heated. It is widely used in a variety of industrial production equipment. The typical use is to dry raw materials in the hopper of the injection molding machine. , or other drying equipment. Most of the existing heaters heat the tungsten wire and radiate the heat to the outside to achieve the purpose of heating. The thermal effect of this tungsten wire heater is low, and it often takes a lot of electric energy to achieve the required heating effect. In order to solve the problem of low efficiency conversion of tungsten wire heaters, another method is proposed in the prior art: using resistance wires to convert part of the electric energy into infrared radiation energy, and heating the heated object throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/44H05B3/02
CPCH05B3/02H05B3/44
Inventor 强妍
Owner 筱艾(上海)节能科技有限公司
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