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Hydraulic interconnection suspension pipeline connection mode switching device and control method

A technology of hydraulic interconnection suspension and connection mode, applied in the direction of suspension, elastic suspension, interconnection system, etc., can solve the problems of high cost and low reliability, achieve pitch suppression, improve ride comfort, and suppress roll Effect

Active Publication Date: 2017-08-25
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But its cost is too high, and it is limited by communication and various high-precision maps, so its reliability is low

Method used

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  • Hydraulic interconnection suspension pipeline connection mode switching device and control method
  • Hydraulic interconnection suspension pipeline connection mode switching device and control method
  • Hydraulic interconnection suspension pipeline connection mode switching device and control method

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Embodiment Construction

[0027] A hydraulic interconnection suspension pipeline connection mode switching device and control method, which includes a sensor unit, a processing unit and an execution unit. The sensor unit includes a vehicle speed sensor and four range finders, which are responsible for inputting real-time vehicle data to the control unit; the processing unit uses a storage unit to connect to the ECU; the electromagnetic reversing valve A and the electromagnetic reversing valve in the execution unit Valve B controls the opening and closing of the hydraulic oil pipeline, so as to switch between different connection modes of the hydraulic interconnected suspension.

[0028] The electromagnetic reversing valve A is a three-position four-way electromagnetic valve, and the four oil ports are respectively connected to the oil pipe in the lower cavity of the left front oil cylinder 2 , Oil pipe in the upper cavity of the left rear oil cylinder p 1 , Oil pipe in the lower chamber of the right r...

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Abstract

The present invention discloses a hydraulic interconnection suspension pipeline connection mode switching device and a control method. A sensor unit comprises a vehicle speed sensor and four range finders, and the vehicle speed sensor and the four range finders are responsible for inputting the real-time vehicle speed and the real-time length of four suspensions of a vehicle into an electronic control unit (ECU) respectively; the ECU of a processing unit is used for calculating the real-time data of the vehicle by combining the data stored in an memory unit; and an electromagnetic directional valve A and an electromagnetic directional valve B of an execution unit are used for controlling a hydraulic oil pipeline to be connected and disconnected, and thus switching among different connection modes of the hydraulic interconnection suspensions is realized. By applying the method, the running state of the vehicle can be judged, appropriate hydraulic interconnection suspension pipeline connection modes are thus selected, the vehicle body posture is controlled, and the riding comfort of the vehicle is improved.

Description

technical field [0001] The invention belongs to the field of automobile suspension control, in particular to a hydraulic interconnection suspension pipeline connection mode switching device and a control method. Background technique [0002] With the popularization of automobiles, people's requirements for automobile comfort are getting higher and higher. More and more high-end vehicles have developed various active suspensions, air suspensions, and interconnected suspensions with superior performance to meet this requirement. Interconnected suspensions are mainly divided into air interconnected suspensions and hydraulic interconnected suspensions. Among them, the hydraulic interconnection suspension is mainly divided into two types. One is the left and right interconnection, which can effectively reduce the roll of the vehicle in the curve; the other is the front and rear interconnection, which can effectively reduce the sharp nodding of the vehicle when accelerating or d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60G17/016B60G17/019B60G21/067B60G21/073
CPCB60G17/0164B60G17/019B60G17/01933B60G21/067B60G21/073B60G2204/81B60G2204/82B60G2204/8304B60G2400/204B60G2400/252
Inventor 汪若尘季云华孙泽宇孟祥鹏谢健陈龙
Owner JIANGSU UNIV
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