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An aircraft electric heating deicing control circuit

A control circuit and electric heating technology, which is applied to deicing devices, aircraft parts, transportation and packaging, etc., can solve the problems of unsatisfactory anti-icing effect, low safety in use, and few anti-icing control circuits, so as to meet the requirements of deicing. Effects of functional and safety requirements

Active Publication Date: 2022-07-05
WUHAN AVIATION INSTR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there are few anti-icing control circuits, and functions such as high-power electrical equipment detection circuit, small-signal high-precision control, bus communication, and dual-way control backup are not integrated. The use safety is low and the failure rate is high. The ice effect is not ideal

Method used

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  • An aircraft electric heating deicing control circuit
  • An aircraft electric heating deicing control circuit

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Embodiment Construction

[0011] The present invention will be described in further detail below. refer to figure 1 .

[0012] 1) The power supply component receives the 28VDC of the aircraft and converts it to supply power to the power amplifier circuit and the central processing unit;

[0013] 2) The central processing unit receives the signal of the signal processing unit, the signal of the monitoring circuit and the bus signal, and provides the control signal to the power amplification circuit and the switching signal to the monitoring circuit;

[0014] 3) The central processing unit receives the signal from the host computer through the 429 bus, and judges whether the deicing is satisfied. When the heating module starts to perform the deicing and heating function, after the phase failure and short-circuit fault occur, the power distribution module phase-opening and short-circuit detection sensor can send fault signal to the signal processing component ( figure 2 shown) for processing, and then...

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PUM

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Abstract

The invention belongs to the technical field of avionic circuits, in particular to an aircraft electric heating deicing control circuit. At present, there are few anti-icing control circuits, and functions such as high-power electrical equipment detection circuit, small-signal high-precision control, bus communication, dual control backup, etc. are not integrated. The safety of use is low, and the failure rate is high. The ice effect is not ideal. The aircraft electric heating deicing control circuit of the present invention includes a power supply component and a central processing unit. The central processing unit receives the signal of the signal processing component, the signal of the monitoring circuit and the bus signal, and provides the control signal to the power amplification circuit. , providing a switching signal to the monitoring line; the signal processing component receives the fault information of the short circuit of the interrupted phase of the power distribution module. Meet the requirements of aircraft de-icing function and safety.

Description

technical field [0001] The invention belongs to the technical field of avionic circuits, in particular to an aircraft electric heating deicing control circuit. Background technique [0002] At present, there are few anti-icing control circuits, and functions such as high-power electrical equipment detection circuit, small-signal high-precision control, bus communication, dual control backup, etc. are not integrated. The safety of use is low, and the failure rate is high. The ice effect is not ideal. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to propose an electric heating deicing control circuit for a fixed-wing aircraft. [0004] The technical scheme of the present invention is: an aircraft electric heating deicing control circuit, the control circuit includes a power supply assembly and a central processing unit, the central processing unit receives the signal of the signal processing unit, the signal of the monitoring line and the bus sig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64D15/12
Inventor 王达张俊朱凌云
Owner WUHAN AVIATION INSTR
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