Carbon canister control method and carbon canister control device

A control method and a technology of a control device, which are applied in the field of vehicles, can solve problems such as large intake pressure and load fluctuations of engine cylinders, low working efficiency of carbon canisters, and vehicle vibration, so as to achieve stable intake pressure and load and improve driving comfort Sexual experience, the effect of improving lifespan

Active Publication Date: 2022-04-08
ZHEJIANG GEELY HLDG GRP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the first aspect of the present invention is to provide a carbon canister control method to solve the problem in the prior art that when the canister is opened, the intake pressure of the engine cylinder and the load fluctuate greatly, resulting in serious vibration when the vehicle is in the idling condition.
[0004] A further purpose of the first aspect of the present invention is to solve the problem of low working efficiency of the carbon canister

Method used

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  • Carbon canister control method and carbon canister control device
  • Carbon canister control method and carbon canister control device
  • Carbon canister control method and carbon canister control device

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Embodiment Construction

[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] figure 1 is a schematic flowchart of a carbon canister control method according to an embodiment of the present invention. Such as figure 1 As shown, in a specific embodiment, a carbon canister control method includes:

[0036] S1, detect the speed of the engine;

[0037] S2, judging whether the engine is in an idling condition according to the rotational speed of the engine, if so, proceed to S5, if not, proceed to S1;

[0038] S5, the solenoid valve controlling the carbon canister is opened once in each intake cycle ...

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Abstract

The invention provides a carbon tank control method and a carbon tank control device, which relate to the field of vehicles. The carbon canister control method includes: detecting the engine speed, and controlling the solenoid valve of the carbon canister to open once in each intake cycle of the engine after judging that the engine is in an idling condition according to the engine speed. In the present invention, the solenoid valve for controlling the carbon canister is opened once in each intake cycle of the engine after judging that the engine is in an idling condition according to the rotational speed of the engine. To make the intake pressure and load of the engine cylinder stable, prolong the service life of the engine, and improve the driving comfort experience.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a carbon tank control method and a carbon tank control device. Background technique [0002] In the prior art, when the opening period of the carbon tank is unreasonable, it will cause large fluctuations in the intake pressure of the engine cylinder and the load, which will further cause vehicle vibration. If the intake pressure of the engine cylinder fluctuates greatly for a long time, the engine will be shortened. The service life of the vehicle affects the dynamic performance of the vehicle. For the problem of vehicle jitter when the carbon canister is opened, the traditional method generally adjusts the idle ignition angle, fuel injection phase and idle speed. The intake pressure and load fluctuations still exist, and the improvement of the vehicle idling jitter is not obvious. In addition, reduce the carbon canister The flushing duty cycle reduces the amount of carbon tank flushing,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/00F02D41/08
CPCF02D41/003F02D41/08F02D2200/101F02D2200/02
Inventor 曾波徐雅齐董少毅
Owner ZHEJIANG GEELY HLDG GRP CO LTD
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