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Carbon canister load control method and device and computer readable storage medium

A load control and carbon tank technology, which is applied in the field of computer readable storage media and carbon tank load control, can solve problems such as oil vapor overflow

Pending Publication Date: 2021-06-04
UNITED AUTOMOTIVE ELECTRONICS SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method, device and computer-readable storage medium for controlling the load of a canister, so as to solve the risk of oil vapor overflow in the prior art due to excessive oil vapor entering the canister exceeding the adsorption capacity of the canister

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  • Carbon canister load control method and device and computer readable storage medium
  • Carbon canister load control method and device and computer readable storage medium
  • Carbon canister load control method and device and computer readable storage medium

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Embodiment Construction

[0060] In order to make the purpose and features of the present invention more obvious and easy to understand, a kind of canister load control method, device and computer-readable storage medium provided by the present invention will be described in detail below in conjunction with the accompanying drawings. However, the present invention can be used in different forms Implementations should not be limited to the described embodiments. In addition, it should be noted that each block in the block diagrams and / or flowcharts herein, as well as combinations of blocks in the block diagrams and / or flowcharts, can be implemented with a dedicated hardware-based computer that performs specified functions or actions. system, or it may be implemented by a combination of special purpose hardware and computer program instructions. It is well known to those skilled in the art that implementation by means of hardware, implementation by means of software, and implementation by a combination o...

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Abstract

The invention provides a carbon canister load control method and device and a computer readable storage medium. The carbon canister load control method comprises the steps that a current actual oil vapor adsorption load of a carbon canister is obtained at any moment; whether the adsorbability of the carbon canister is insufficient or not is judged according to the current actual oil vapor adsorption load of the carbon canister; and if the adsorbability of the carbon canister is insufficient, an engine is controlled to start, a carbon canister control valve is opened, and the carbon canister is subjected to washing desorption treatment so as to reduce the oil vapor adsorption load of the carbon canister. According to the carbon canister load control method, the risk that in the prior art, oil vapor overflows due to the fact that too much oil vapor enters the carbon canister and exceeds the adsorption capacity of the carbon canister can be solved.

Description

technical field [0001] The invention relates to the technical field of automotive electronic control, in particular to a method and device for controlling a canister load and a computer-readable storage medium. Background technique [0002] For hybrid vehicles that can run purely on electric power for a long time, due to the shorter engine running time, the chance of flushing the canister is reduced, which may reduce the adsorption capacity of the canister and increase the risk of oil vapor overflowing the atmosphere from the atmospheric port of the canister, resulting in evaporative emissions. deterioration. With the newly added evaporative system leakage diagnosis requirements in China VI, the fuel tank of strong hybrid or plug-in hybrid vehicles is generally designed as a non-integral carbon tank system that only controls refueling and emission, such as figure 1 As shown, the main components involved in the system are: pressure fuel tank 1, fuel tank pressure sensor 2, f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02D41/00
CPCF02D41/004
Inventor 韦良杰田良云黎薇蔡光权
Owner UNITED AUTOMOTIVE ELECTRONICS SYST
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