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Fuzzy control film-coating process for electric heating film

A technology of fuzzy control and electric heating film, applied in metal material coating process, liquid chemical plating, coating, etc., can solve the problems of high cost of electric heating elements, power difference of electric heating film elements, difficulty in popularization and application, etc., and achieve high Economic and social benefits, improving the rate of qualified products, and realizing the effect of industrialization

Inactive Publication Date: 2002-11-20
何平
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AI Technical Summary

Problems solved by technology

The aforementioned film coating process is sprayed under the conditions of setting the temperature of the film coating furnace and setting the liquid spray volume, but in the actual continuous spraying process, the hydrolysis reaction of the electrothermal film liquid on the substrate will cause The temperature of the substrate drops. Although the temperature set by the film coating furnace is constant, the actual temperature of the substrate changes at any time.
This temperature deviation and the rate of change of the deviation change the conditions for the formation of the oxide film, that is, the effect of the hydrolysis and oxidation reaction of the electrothermal film liquid on the surface of the substrate is untimely and consistent, which makes the qualified product rate of the coated film product extremely low, resulting in a large number of Waste of materials, high cost of electric heating elements, difficult to popularize and apply
Moreover, there are differences in the power of the formed electrothermal film elements, and it is difficult to realize industrialization

Method used

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  • Fuzzy control film-coating process for electric heating film
  • Fuzzy control film-coating process for electric heating film
  • Fuzzy control film-coating process for electric heating film

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Embodiment Construction

[0021] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings. Such as figure 1 Shown is the circuit principle block diagram of the embodiment of the present invention. The structure of the coating furnace in the embodiment of the present invention is basically the same as the coating furnace in the prior art, that is, a fixture for clamping the base material is installed in the coating kiln, and a device that can control the movement of the base material is also installed in the coating kiln. The base material can be rotated with the center as the axis, and can move in parallel at the same time. Different from the prior art, the positions of the electrothermal film spray gun and the base material can be adjusted through electric signal control, such as an electric manipulator. In the pipeline where the electrothermal film liquid enters the spray gun, there is an element that can adjust the flow rate of the electro...

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Abstract

The fuzzy control electrothermal film film-coating process includes the following steps: placing base material in heated film-coating kiln; according to the preset temp. and film-forming efficiency of electrothermal film spraying film on the base material; timely detecting base material temp. and transferring the detected result into chip microprocessor; the chip microprocessor can timely output signal for controlling film-forming efficiency of electrothermal film; completing film-spraying step and taking out the base material coated with electrothermal film. Said invention can ensure effect uniformity of hydrolysis oxidation reaction of electrothermal film liquor on the surface of base material.

Description

Technical field: [0001] The invention relates to an electrothermal film coating process, in particular to a process for controlling the electrothermal film coating by using fuzzy control technology. Background technique: [0002] The electric heating film element is a new type of electric heating material, and its electric heating efficiency is increased by more than 30% compared with the traditional electric heating element. However, so far, electrothermal film elements have not been widely used, mainly because the existing film coating process does not solve the consistency problem of electrothermal film elements. [0003] There are many kinds of film coating processes for the existing electrothermal film elements, and the spray method is more commonly used. The spray method usually has the following two forms: one is a small-scale production process, that is, the substrate is preheated, and the preheated substrate is placed in a heated film coating furnace to raise the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/02
Inventor 何平
Owner 何平
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