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Control method for electric air inlet valve of mobile air compressor

A control method and intake valve technology, applied in engine components, machines/engines, liquid fuel engines, etc., can solve problems such as many fault points, complicated and cumbersome wiring, and delayed action of electric valves, so as to achieve timely signal processing and user wiring. Simple and stable communication

Pending Publication Date: 2022-04-15
NANTONG HONGXING AIR COMPRESSOR PARTS MFG CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] The existing electric intake valve is controlled by a stepping motor, connected with an electric intake valve actuator and signal processor, and then communicates with the upper computer. There are many electrical modules, troublesome installation, complex and cumbersome wiring, many fault points, and untimely signal processing. The action of the electric valve lags behind, resulting in unstable operation, and signal interference is likely to occur due to too many communication cables between the electrical modules, which loses the purpose of high-precision control of the electric valve

Method used

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  • Control method for electric air inlet valve of mobile air compressor

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Embodiment Construction

[0055] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below in conjunction with examples.

[0057] This embodiment provides a technical solution: a method for controlling the electric intake valve of a mobile air compressor, including an electric intake valve actuator and an air compressor controller, and a connection between the electric intake valve actuator and the...

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Abstract

The invention discloses a control method for an electric air inlet valve of a mobile air compressor, which comprises an electric air inlet valve actuator and an air compressor controller, the electric air inlet valve actuator and the air compressor controller are communicated through an RS-485 bus, a standard MODBUS communication protocol is adopted, the signal processing is more timely, the communication is stable, and the user wiring is simpler; an internal control program can be customized according to user requirements, pressure signals are multi-segmented, functions are richer, and different user requirements are met; the electric air inlet valve actuator additionally has a fault signal real-time feedback function, is safe and reliable, and prevents the potential hazard of ultrahigh pressure of the air compressor caused by misoperation of the electric air inlet valve.

Description

technical field [0001] The invention relates to a method for controlling an electric intake valve of a mobile air compressor. Background technique [0002] The electric intake valve is suitable for mobile oil-injected screw air compressors. It is a normally closed intake valve. The exhaust pressure at the rear end of the air compressor is converted into an analog voltage signal, which is fed back to the control system and the actuator (electric intake valve Actuator) controls the opening of the intake valve plate, and then controls the intake flow of the intake valve to achieve rear-end pressure balance. It is a full-closed-loop control mode, which replaces the traditional cylinder control mode of the intake valve plate opening. The valve plate opening is precisely positioned and stable, and can effectively reduce noise and vibration. It can be applied to lower temperature environments, reduce energy consumption, and achieve energy-saving purposes. [0003] The existing ele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C29/12F04C28/24F04C28/28F04C28/06F16K31/02F16K49/00
Inventor 奚海江
Owner NANTONG HONGXING AIR COMPRESSOR PARTS MFG CO LTD
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