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Electromagnetism and magnetorheological fluid mixed shock absorber

A magneto-rheological fluid and hybrid technology, applied in the direction of vibration suppression adjustment, non-rotational vibration suppression, etc., can solve problems that have not occurred, achieve good vibration reduction effect, realize energy recovery, and reduce energy consumption

Inactive Publication Date: 2013-12-18
SHANDONG UNIV
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  • Abstract
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  • Claims
  • Application Information

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  • Electromagnetism and magnetorheological fluid mixed shock absorber

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] figure 1 Among them, the lower part of the lower housing 3 of the present invention is screwed with thread glue and installed with a one-way valve 2 through threaded connection. After the nitrogen chamber 4 is filled with nitrogen, it is sealed by the sealing screw 1 connected to the one-way valve 2; the moving piston 6 It is an aluminum alloy piston with a sealing ring I5 installed on it to realize the isolation of gas and liquid from the upper and lower sides; the coil I7 is composed of a copper wire wound around the piston body 10, one end of the coil I7 is connected to the positive pole of the power supply through the middle hole of the piston rod 12, and the other end is welded to the piston body 10 On the top, it is connected to the negative pole of the power supply through the piston rod 12. After the coil 7 is wound, a circle of insulatin...

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Abstract

The invention discloses an electromagnetism and magnetorheological fluid mixed shock absorber which can realize active control, is low in energy consumption and can recover energy. The electromagnetism and magnetorheological fluid mixed shock absorber comprises an upper shell and a lower shell which are connected together; an intermediate connecting plate is arranged at the connecting part of the two shells; a piston rod penetrates into the two shells and is connected with a piston body after penetrating through the intermediate connecting plate; the upper shell and the piston body are internally provided with an electromagnetic device respectively; the two electromagnetic devices are both connected with a control unit, and the control unit is connected with a signal end of a sensor; the lower shell at the lower part of the piston body is internally provided with a moving piston; a magnetorheological fluid cavity is respectively arranged between the piston shell of the piston body and the intermediate connecting plate and between the piston shell of the piston body and the moving piston, and the two magnetorheological fluid cavities are communicated by a communicating structure of the piston body; and a nitrogen cavity is arranged between the moving piston and the lower shell. The electromagnetism and magnetorheological fluid mixed shock absorber combines the advantages and disadvantages of the magnetorheological fluid semi-active control and the magnetism active control of the shock absorber, and has the advantages of being good in shock absorbing effect, low in energy consumption and recoverable in energy.

Description

technical field [0001] The invention relates to an electromagnetic and magneto-rheological fluid hybrid shock absorber for a vehicle suspension system. Background technique [0002] With the continuous improvement of energy saving, environmental protection and people's requirements for vehicle comfort and technology, vehicle technology is gradually developing towards electric vehicles. Suspension system is an important part of vehicle ride comfort, and its main part, the shock absorber, has experienced the development process from mechanical to hydraulic and then to electric. At present, the main product of the shock absorber is the hydraulic shock absorber with passive shock absorption; the semi-active control electronically controlled magneto-rheological fluid shock absorber successfully developed by Delphi in 2003 has been commercialized, and it is currently mainly used in high-end vehicles Use; The active control electromagnetic shock absorber is still in the research a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/53
Inventor 杨富春
Owner SHANDONG UNIV
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