Unlock instant, AI-driven research and patent intelligence for your innovation.

Flow Compensation Method and Device for Flow Variable Force Solenoid Valve

A technology of flow compensation and solenoid valve, which is applied in the direction of valve operation/release device, valve device, transmission device control, etc. It can solve the problems of inaccurate clutch control and inconsistent target flow, and achieve the effect of precise control

Active Publication Date: 2020-06-05
SAIC MOTOR
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the application process, there will be a problem that the actual flow does not match the target flow, which will lead to the problem of inaccurate control of the clutch

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Flow Compensation Method and Device for Flow Variable Force Solenoid Valve
  • Flow Compensation Method and Device for Flow Variable Force Solenoid Valve
  • Flow Compensation Method and Device for Flow Variable Force Solenoid Valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] As mentioned above, the flow variable force solenoid valve (Quantity Variable Force Solenoid, Q-VFS) can be used to control the clutch. Usually, the flow control of the flow variable force solenoid valve can be realized by changing the control signal of the flow variable force solenoid valve to obtain the target flow rate, and then the clutch can be controlled. However, in the application process, there will be a problem that the actual flow does not match the target flow, which will lead to the problem of inaccurate control of the clutch.

[0028] In the embodiment of the present invention, the flow compensation point corresponding to the target flow can be obtained through the moving state of the piston of the clutch actuator oil chamber, the target flow rate, and the cross-sectional area of ​​the clutch actuator oil chamber, and according to the flow rate The compensation point performs flow compensation to the flow variable force solenoid valve, so that the compensa...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a flow compensation method and device of a flow variable force electromagnetic valve. The method comprises the steps that target flow of the flow variable force electromagneticvalve is set, so that a piston of a clutch actuator oil cavity moves under the action of the flow variable force electromagnetic valve; within the preset displacement range, a flow compensation pointcorresponding to the target flow is obtained according to the moving state of the piston, the target flow and the sectional area of the clutch actuator oil cavity, and the flow compensation point indicating the relation between the target flow and actual flow; and flow compensation is carried out on the flow variable force electromagnetic valve according to the flow compensation point. According to the method and device, the compensated flow can accord with the target flow, and then a clutch can be precisely controlled.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a flow compensation method and device for a flow variable force solenoid valve. Background technique [0002] A flow variable force solenoid valve (Quantity Variable Force Solenoid, Q-VFS) can be used to control the clutch. Usually, the flow control of the flow variable force solenoid valve can be realized by changing the control signal of the flow variable force solenoid valve to obtain the target flow rate, and then the clutch can be controlled. [0003] However, in the application process, there will be a problem that the actual flow does not match the target flow, which will lead to the problem of inaccurate control of the clutch. Contents of the invention [0004] The technical problem solved by the invention is the problem that the actual flow of the flow variable force solenoid valve does not match the target flow. [0005] In order to solve the above technical problems, an ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06F16H61/02F16H61/06
CPCF16H61/0009F16H61/0276F16H61/061F16H2061/0279F16K31/0675
Inventor 王保义曾艾焦伟张喀
Owner SAIC MOTOR