High-power carbon fiber electric heating plate, production process and application device

A carbon fiber, electric heating plate technology, applied in applications, home appliances, electronic equipment, etc., can solve the problem of low power, and achieve the effects of high power, simple manufacturing, and rapid temperature rise

Active Publication Date: 2015-01-21
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this invention is to solve the problem of relatively low power (300-500w) of the existing carbon fiber electric heating plate, and develop a high-power carbon fiber electric heating plate (1100-1500w) based on the new heat-resistant benzoxazine resin developed by us.

Method used

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  • High-power carbon fiber electric heating plate, production process and application device
  • High-power carbon fiber electric heating plate, production process and application device

Examples

Experimental program
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Effect test

Embodiment 1

[0047]Soak the glass cloth in the benzoxazine resin solution, dry and remove the solvent to obtain the benzoxazine resin prepreg, and the glue content is 50%. Spread the benzoxazine resin prepreg, and then lay carbon paper and copper foil tape on it. After the laying is completed, cover the benzoxazine resin prepreg again. Finally, it is cured and molded at a temperature of 170°C, a pressure of 4-8 MPa, and a time of 180 minutes, and then heat-treated in an oven at 200°C for 120 minutes. The copper foil electrode and the wire are connected by welding to produce a carbon fiber electric heating plate A.

preparation Embodiment 2

[0049] The benzoxazine resin in the above preparation example 1 was blended at a ratio of 70% by weight and 30% by weight of epoxy resin. Then, carbon fiber electric heating plate B was prepared according to the steps in Example 1 for the preparation of high-power carbon fiber electric heating plate.

Embodiment 3

[0051] The benzoxazine resin in the above Preparation Example 1 was blended at a ratio of 60% by weight and 40% by weight of bismaleimide. Then, a carbon fiber electric heating plate C was prepared according to the steps in Example 1 for the preparation of a high-power carbon fiber electric heating plate.

[0052] Example 4 of the preparation of high-power carbon fiber electric heating plate

[0053] The benzoxazine resin in the above preparation example 1 is blended with epoxy resin and bismaleimide at a weight percentage of 60% by weight, wherein the epoxy resin accounts for 10%. The bismaleimide accounted for 30%; then the carbon fiber electric heating plate D was prepared according to the steps in Example 1 for the preparation of the high-power carbon fiber electric heating plate.

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Abstract

The invention discloses a high-power carbon fiber electric heating plate, a production process and an application device. The high-power carbon fiber electric heating plate comprises a plurality of layers, namely a benzoxazine resin insulation layer I, carbon paper and a benzoxazine resin insulation layer II which are sequentially arranged from top to bottom, wherein the middle layer of carbon paper is encapsulated up and down by the benzoxazine resin insulation layer I and the benzoxazine resin insulation layer II; a conductive material in contact with the carbon paper is also encapsulated between the carbon paper and the benzoxazine resin insulation layer I and/or between the carbon paper and the benzoxazine resin insulation layer II; the conductive material is used as an electrode and is connected with a power supply by virtue of a lead; the benzoxazine resin insulation layer I and the benzoxazine resin insulation layer II respectively comprise cured benzoxazine resin or cured and modified benzoxazine resin; glass cloth is used as a resin reinforcing material. According to the high-power carbon fiber electric heating plate, epoxy resin is replaced by the benzoxazine resin and the modified resin of the benzoxazine resin, so that the carbon fiber electric heating plate with high-heat-resistance upper and lower insulation layers and development power reaching 1100-1500w is obtained.

Description

technical field [0001] The invention relates to a novel high-power carbon fiber electric heating plate, processing technology and application equipment, and belongs to the technical field of electric heating. Background technique [0002] Carbon fiber (or carbon crystal) electric heating plate is a new type of electric heater that has appeared on the market in the past 5 years. It is composed of a sandwich structure: the upper and lower layers are insulating layers, and the middle is a carbon fiber heating layer. Its working principle is that the carbon fiber will radiate far-infrared rays when it is powered on, and it will be heated by irradiation. Compared with traditional heating equipment such as electric heaters, small suns, and air conditioners, carbon fiber electric heating panels have the following outstanding advantages. ①Energy saving: the electrothermal conversion rate is as high as 99%, more than 30% energy saving than air conditioners; ②Health: radiate far-infr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/04B32B17/04B32B15/04B32B15/20B32B27/06B32B9/04B32B27/38B32B37/15B32B37/06B32B37/10B32B38/16
CPCB32B9/04B32B15/04B32B15/20B32B27/06B32B27/38B32B37/06B32B37/10B32B37/15B32B38/16B32B2260/02B32B2457/00
Inventor 鲁在君陆晓杰耿鹏飞
Owner SHANDONG UNIV
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