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Valve self-cleaning control method with position feedback

A control method and self-cleaning technology, applied in cleaning methods and utensils, chemical instruments and methods, valve devices, etc., can solve problems such as inaccurate trigger conditions, excessive cleaning, and inability to clean valves, so as to avoid excessive cleaning and reduce wear , Optimize the effect of trigger conditions

Active Publication Date: 2021-01-08
DONGFENG COMML VEHICLE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the trigger conditions of the existing valve self-cleaning are not accurate enough, resulting in the problem that the valve cannot be cleaned in time or excessively cleaned

Method used

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  • Valve self-cleaning control method with position feedback
  • Valve self-cleaning control method with position feedback
  • Valve self-cleaning control method with position feedback

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0023] In some embodiments, the present invention provides a valve self-cleaning control method with position feedback, by obtaining the reference voltage value of the fully closed position of the valve; obtaining the current self-learning voltage value of the valve; obtaining the reference voltage value and the The difference of the current ...

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Abstract

The invention relates to a valve self-cleaning control method with position feedback. The valve self-cleaning control method comprises the steps of acquiring a reference voltage value of the full-closing position of a valve; acquiring a current self-learning voltage value of the valve; acquiring the difference value between the reference voltage value and the current self-learning voltage value, and judging whether valve self-cleaning is started or not according to the difference value; and after valve self-cleaning is started, recording the cumulative number of opening and closing times of the valve, and judging whether valve self-cleaning is stopped or not according to the cumulative number of times. According to the valve self-cleaning control method, valve self-cleaning and valve self-learning are combined, the valve self-cleaning triggering condition is optimized, the cleaning number of times can be controlled while it is guaranteed that the valve is cleaned in time, unnecessary abrasion is reduced, and the service life of the valve is prolonged.

Description

technical field [0001] The invention relates to the technical field of valve control, in particular to a valve self-cleaning control method with position feedback. Background technique [0002] Because the valves on the engine are exposed to the exhaust gas environment for a long time, they are prone to carbon deposits and dirt. A large amount of carbon deposits, dirt and other deposits accumulate on the valve plate and valve body, which will quickly cause the valve to coke or even get stuck, and accelerate the aging of the valve, resulting in a decline in engine performance and excessive emissions. In the prior art, the self-cleaning function of the valve is added. During this process, the valve is fully opened and fully closed and vibrates, which can effectively remove the sediment accumulated in the valve, ensure the stable and reliable working state of the valve, and improve the performance of the valve. its service life. [0003] In some related technologies, the inve...

Claims

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Application Information

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IPC IPC(8): F16K37/00F16K51/00B08B13/00
CPCF16K37/0041F16K51/00B08B13/00Y02T10/12
Inventor 刘新刚杨进陈玉俊蒋学锋周杰敏张衡刘亚林
Owner DONGFENG COMML VEHICLE CO LTD
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