Ceramic electric heating body with two-layer structure and electric soldering iron

A technology of electric heating body and layer structure, applied in the direction of soldering iron, electric heating device, ohmic resistance heating, etc., can solve the problems of affecting electronic components, inaccurate welding, large impact current, etc., and achieve low process difficulty, reliable structure, and reduced diameter Effect

Pending Publication Date: 2019-12-03
CHONGQING LE MARK CERAMIC TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the composite materials prepared by the preparation materials in the above patents still have the following problems in some applications: the temperature coefficient of resistance is large, and the impact current is large, which directly leads to an increase in the cost of the power supply. Due to the rapid change of current/resistance, when using Complicated algorithms for power control
Due to th

Method used

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  • Ceramic electric heating body with two-layer structure and electric soldering iron
  • Ceramic electric heating body with two-layer structure and electric soldering iron
  • Ceramic electric heating body with two-layer structure and electric soldering iron

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Embodiment 1: as figure 2 and 4 As shown, a two-layer structure ceramic electric heating body, the electric heating body includes a conductive layer 1 and an outer insulating layer 2; the insulating layer is wrapped outside the conductive layer, and the head 3 of the electric heating body and the conductive layer at the tail part 4 are exposed outside the insulating layer. And the conductive layer and the insulating layer at the tail of the ceramic heating element in this embodiment are flush. Through the technical solution of this embodiment, a two-layer all-ceramic heating element with a diameter of less than 1 mm can be obtained.

[0041] The two-layer structure ceramic heating element in this embodiment can be used as a thermocouple. Weld the central electrode 7 at the conductive layer at its tail. The central electrode can be used as a thermocouple, or the central electrode can be used as one pole of the thermocouple, and the metal material or its extension ma...

Embodiment 2

[0074] Embodiment 2: as image 3 and 5 As shown, this embodiment is a modification made on the basis of Embodiment 1.

[0075] In this embodiment, the electric heating body includes an inner conductive layer 1 and an outer insulating layer 2; The conductive layer is exposed outside the insulating layer. And the conductive layer at the tail of the ceramic heating element in this embodiment is provided with grooves or blind holes. Square grooves, circular grooves, polygonal grooves, circular blind holes, tapered blind holes, V-shaped blind holes, etc. can be set. In this embodiment, a V-shaped blind hole 5 is provided at the tail of the conductive layer. Through the technical solution of this embodiment, a two-layer all-ceramic heating element with a diameter of less than 1 mm can be obtained.

[0076] For the all-ceramic heating element with the above two-layer structure, the central electrode can be welded in the V-shaped blind hole of the conductive layer at the tail, th...

Embodiment 3

[0082] Embodiment 3: as Image 6 and 7 As shown, in this embodiment, the ceramic heating element in Embodiment 1 or Embodiment 2 is applied to small heating parts such as electric soldering irons.

[0083] Two layers of ceramic electric heaters are used to produce embryos, and the metallized coating is coated on the head, and the material of the metallized coating is silver copper + titanium.

[0084] And as one of the embodiments, the ceramic electric heater in this embodiment is divided into a front section near the head and a rear section near the tail, and the diameter of the front section is smaller than that of the rear section.

[0085] The electric soldering iron includes a soldering iron tip 11, one end of the soldering iron tip is a working end, and the other end is provided with a blind hole. Insert the front part of the ceramic heating element 10 into the blind hole, so that the metallized head of the ceramic heating element is in contact with the tip of the sold...

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Abstract

The invention discloses a ceramic electric heating body with a two-layer structure and an electric soldering iron. The two-layer ceramic structure electric heating body comprises an inner conducting layer and an outer insulating layer, wherein the insulating layer is covered outside the conducting layer, the conducting layer is exposed outside the insulating layer at the head and the tail of the electric heating body, and the ceramic electric heating body with the two-layer structure is applied to the electric soldering iron. The ceramic electric heating body is advantaged in that micro manufacturing can be achieved, production cost is low, and process difficulty is low.

Description

technical field [0001] The invention relates to an electric heating body, in particular to an electric heating body with an all-ceramic structure, and the application of the electric heating body. Background technique [0002] As a conductive material, the ceramic electric heating element can be used as the electric heating element of the ignition mechanism, and it can be ignited or heated by the extremely high temperature reached by the ceramic at the moment of electrification. It can be used in engine ignition, gas stove ignition, water heater ignition, infrared radiation source, oxygen sensor heating, soldering iron tip heating and other fields. The electric heater made of ceramic material has the advantages of quick start, high temperature resistance, corrosion resistance, high strength and long life. [0003] In the Chinese patent CN100484337C, a multi-layer circular ceramic electric heater and its preparation process are disclosed, and it is specifically disclosed tha...

Claims

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Application Information

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IPC IPC(8): H05B3/14H05B3/02B23K3/03
CPCH05B3/141H05B3/02B23K3/0353B23K3/03H05B3/44H05B2203/027H05B3/10B23K3/0369H05B3/18
Inventor 雷彼得
Owner CHONGQING LE MARK CERAMIC TECH CO LTD
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