CN202914611U - Stiffness and damping united adjusting vibration-reducing device - Google Patents

Stiffness and damping united adjusting vibration-reducing device Download PDF

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Publication number
CN202914611U
CN202914611U CN 201220273876 CN201220273876U CN202914611U CN 202914611 U CN202914611 U CN 202914611U CN 201220273876 CN201220273876 CN 201220273876 CN 201220273876 U CN201220273876 U CN 201220273876U CN 202914611 U CN202914611 U CN 202914611U
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China
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damping
air spring
stiffness
control valve
vibration
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Expired - Fee Related
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CN 201220273876
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Chinese (zh)
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朱思洪
马然
周永清
贺亮
王家胜
李科
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Nanjing Agricultural University
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Nanjing Agricultural University
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Abstract

The utility model relates to a stiffness and damping united adjusting vibration-reducing device. An air spring with an additional air chamber serves as an elastic element, and a magnetorheological vibration damper serves as a damping element. The stiffness and damping united adjusting vibration-reducing device is characterized in that the air spring is connected with the additional air chamber through a positioning control valve, and input voltage of the positioning control valve is controlled to change opening of a throttling orifice between the air spring and the additional air chamber so as to achieve stiffness adjustability of the air spring. The magnetorheological vibration damper is in parallel connection with the air spring, and input current of an excitation coil in the magnetorheological vibration damper is controlled to change magnetorheological fluid viscosity so as to achieve damping adjustability of the magnetorheological vibration damper. According to the vibration-reducing device, united adjustment of stiffness and damping is achieved, stiffness and damping are matched in a coordinated mode, good vibration-reducing effect can be achieved, and adaptability of vehicles to running working conditions is improved.

Description

一种刚度和阻尼联合调节的减振装置A damping device with joint adjustment of stiffness and damping

技术领域 technical field

本实用新型涉及车辆悬架系统领域,具体涉及车辆悬架系统的减振装置。  The utility model relates to the field of vehicle suspension systems, in particular to a vibration damping device of the vehicle suspension system. the

背景技术 Background technique

车辆行驶过程中,车辆系统的振动会造成乘员的不舒适,危害到乘员的身心健康,还会造成所承载货物和车辆本身结构部件的疲劳和破坏,影响车辆的耐久性和舒适性。因此,提供一个可有效衰减振动能量的减振装置对维护乘员身心健康、提高车辆耐久性等有很大帮助。  During the driving process of the vehicle, the vibration of the vehicle system will cause discomfort to the occupants, endanger the physical and mental health of the occupants, and also cause fatigue and damage to the loaded cargo and structural components of the vehicle itself, affecting the durability and comfort of the vehicle. Therefore, providing a vibration damping device that can effectively attenuate vibration energy is of great help to maintaining the physical and mental health of occupants and improving the durability of the vehicle. the

目前,车辆底盘减振装置多采用定刚度的螺旋弹簧和定阻尼的液压减振器作为减振元件,其刚度和阻尼是针对特定工况设计的,不能适应变化的行驶工况,而节流面积可调的液压减振器节流阀结构复杂,能量消耗大,且仅在几个水平上实现了阻尼可调,调节范围较窄,限制了车辆性能的进一步提高,依然难以适应车辆复杂多变的行驶工况,减振效果不理想。  At present, the vibration damping devices of the vehicle chassis mostly use coil springs with constant stiffness and hydraulic shock absorbers with constant damping as damping elements. The stiffness and damping are designed for specific working conditions and cannot adapt to changing driving conditions. The hydraulic shock absorber throttle valve with adjustable area has a complex structure and high energy consumption, and the damping can be adjusted only at several levels, and the adjustment range is narrow, which limits the further improvement of vehicle performance and is still difficult to adapt to the complex and diverse vehicles. The vibration reduction effect is not ideal due to changing driving conditions. the

实用新型内容 Utility model content

本实用新型所要解决的技术问题是克服上述缺陷,提供一种刚度和阻尼联合调节的减振装置。  The technical problem to be solved by the utility model is to overcome the above defects and provide a damping device with joint adjustment of stiffness and damping. the

本实用新型提供一种刚度和阻尼联合调节的减振装置,以带附加气室(4)的空气弹簧(11)为弹性元件,以磁流变减振器(3)为阻尼元件,空气弹簧上支架(12)与悬架上连接板(5)连接,空气弹簧下支架(15)与悬架底板(1)连接,磁流变减振器上支架(6)与悬架上连接板(5)铰接,磁流变减振器下支架(2)与悬架底板(1)铰接。其特征在于:所述空气弹簧(11)经定位控制阀(10)与附加气室(4)相连,所述磁流变减振器(3)与空气弹簧(11)并联。  The utility model provides a damping device with joint adjustment of stiffness and damping, which uses an air spring (11) with an additional air chamber (4) as an elastic element, a magneto-rheological shock absorber (3) as a damping element, and the air spring The upper bracket (12) is connected with the upper connecting plate (5) of the suspension, the lower bracket (15) of the air spring is connected with the suspension bottom plate (1), and the upper bracket (6) of the magneto-rheological shock absorber is connected with the upper connecting plate ( 5) Hinged, the magnetorheological shock absorber lower bracket (2) is hinged with the suspension bottom plate (1). It is characterized in that the air spring (11) is connected to the additional air chamber (4) through a positioning control valve (10), and the magneto-rheological shock absorber (3) is connected in parallel with the air spring (11). the

所述的刚度和阻尼联合调节的减振装置,其特征在于:空气弹簧(11)经高度控制阀(13)与供气系统(16)连接,高度控制阀(13)由控制杆(14)控制,控制杆(14)一端与高度控制阀(13)连接,另一端与悬架底板(1)铰接。  The damping device with joint adjustment of stiffness and damping is characterized in that: the air spring (11) is connected to the air supply system (16) through the height control valve (13), and the height control valve (13) is controlled by the control rod (14) Control, one end of the control rod (14) is connected with the height control valve (13), and the other end is hinged with the suspension base plate (1). the

所述的刚度和阻尼联合调节的减振装置,其特征在于:定位控制阀(10)的信号线(9)与控制器(8)的一个输出端口相接,磁流变减振器(3)中励磁线圈的导线(7)与控制器(8)的另一输出端口相接。  The damping device with joint adjustment of stiffness and damping is characterized in that: the signal line (9) of the positioning control valve (10) is connected to an output port of the controller (8), and the magneto-rheological shock absorber (3 ) The wire (7) of the excitation coil is connected with another output port of the controller (8). the

本实用新型所达到的有益效果:本实用新型的减振装置可实现刚度和阻尼联合调节,车辆在不同行驶工况下,空气弹簧和磁流变减振器协调配合,可达到较好的减振效果,提高车 辆对行驶工况的适应性,并且相对于传统减振装置,本实用新型的减振装置不需要机电控制阀,结构简单,能耗低。  The beneficial effects achieved by the utility model: the vibration damping device of the utility model can realize joint adjustment of stiffness and damping. The vibration effect can improve the adaptability of the vehicle to the driving conditions, and compared with the traditional vibration damping device, the vibration damping device of the utility model does not need an electromechanical control valve, has a simple structure and low energy consumption. the

附图说明 Description of drawings

图1为本实用新型的总体结构示意图。  Fig. 1 is the overall structure schematic diagram of the present utility model. the

图1中:1-悬架底板;2-磁流变减振器下支架;3-磁流变减振器;4-附加气室;5-悬架上连接板;6-磁流变减振器上支架;7-导线;8-控制器;9-信号线;10-定位控制阀;11-空气弹簧;12-空气弹簧上支架;13-高度控制阀;14-控制杆;15-空气弹簧下支架;16-供气系统。  In Fig. 1: 1-suspension bottom plate; 2-magnetorheological shock absorber lower bracket; 3-magnetorheological shock absorber; 4-additional air chamber; 5-suspension upper connecting plate; Vibrator upper bracket; 7-wire; 8-controller; 9-signal line; 10-positioning control valve; 11-air spring; 12-air spring upper bracket; 13-height control valve; 14-control rod; 15- Air spring lower bracket; 16-air supply system. the

具体实施方式 Detailed ways

参见图1,本实用新型的减振装置以带附加气室4的空气弹簧11为弹性元件,以磁流变减振器3为阻尼元件,空气弹簧11与磁流变减振器3并联设置在悬架上连接板5和悬架底板1之间。空气弹簧11经定位控制阀10与附加气室4相连,空气弹簧上支架12与悬架上连接板5连接,空气弹簧下支架15与悬架底板1连接,磁流变减振器上支架6与悬架上连接板5铰接,磁流变减振器下支架2与悬架底板1铰接。定位控制阀10的信号线9与控制器8的一个输出端口相接,通过控制器8控制定位控制阀10的输入电压,来改变空气弹簧11与附加气室4之间节流孔的开度,实现空气弹簧11刚度可调,磁流变减振器3中励磁线圈的导线7与控制器8的另一输出端口相接,由控制器8控制磁流变减振器3中励磁线圈的输入电流,来改变磁流变液粘度,实现磁流变减振器3阻尼可调。空气弹簧11经高度控制阀13与供气系统16连接,高度控制阀13由控制杆14控制,控制杆14一端与高度控制阀13连接,另一端与悬架底板1铰接,不同承载工况下,空气弹簧11的初始工作位置由高度控制阀13控制调整,当空气弹簧11处于压缩或拉伸状态时,高度控制阀13在控制杆14作用下开启其内的充气阀或排气阀,供气系统16向空气弹簧11充气或排气,当空气弹簧111恢复到其平衡位置,阀门关闭,这样可确保空气弹簧11的工作行程在其平衡位置附近,充分利用其刚度特性,并保证其工作稳定性。  Referring to Fig. 1, the damping device of the present invention uses an air spring 11 with an additional air chamber 4 as an elastic element, and a magnetorheological shock absorber 3 as a damping element, and the air spring 11 and the magnetorheological shock absorber 3 are arranged in parallel Between the suspension upper connecting plate 5 and the suspension bottom plate 1. The air spring 11 is connected to the additional air chamber 4 through the positioning control valve 10, the upper bracket 12 of the air spring is connected to the upper connecting plate 5 of the suspension, the lower bracket 15 of the air spring is connected to the bottom plate of the suspension 1, and the upper bracket 6 of the magnetorheological shock absorber It is hinged with the upper connecting plate 5 of the suspension, and the lower bracket 2 of the magneto-rheological shock absorber is hinged with the suspension bottom plate 1 . The signal line 9 of the positioning control valve 10 is connected to an output port of the controller 8, and the input voltage of the positioning control valve 10 is controlled by the controller 8 to change the opening degree of the orifice between the air spring 11 and the additional air chamber 4 , realize the adjustable stiffness of the air spring 11, the wire 7 of the excitation coil in the magneto-rheological shock absorber 3 is connected with another output port of the controller 8, and the controller 8 controls the excitation coil in the magneto-rheological shock absorber 3 The current is input to change the viscosity of the magnetorheological fluid to realize the adjustable damping of the magnetorheological shock absorber 3 . The air spring 11 is connected to the air supply system 16 through the height control valve 13. The height control valve 13 is controlled by the control rod 14. One end of the control rod 14 is connected to the height control valve 13, and the other end is hinged to the suspension bottom plate 1. Under different load conditions , the initial working position of the air spring 11 is controlled and adjusted by the height control valve 13. When the air spring 11 is in a compressed or stretched state, the height control valve 13 opens the inflation valve or exhaust valve inside it under the action of the control rod 14 to supply The air system 16 inflates or exhausts the air spring 11. When the air spring 111 returns to its equilibrium position, the valve is closed, which ensures that the working stroke of the air spring 11 is near its equilibrium position, fully utilizes its stiffness characteristics, and ensures its work. stability. the

以上所述仅是本实用新型的优选实施方式,对于本技术领域的普通技术人员来说,在不脱离本实用新型技术原理的前提下,还可以做出若干改进和变形,这些改进和变形也应视为本实用新型的保护范围。  The above is only a preferred embodiment of the utility model, for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and deformations can also be made, and these improvements and deformations are also It should be regarded as the protection scope of the present utility model. the

Claims (3)

1.一种刚度和阻尼联合调节的减振装置,以带附加气室(4)的空气弹簧(11)为弹性元件,以磁流变减振器(3)为阻尼元件,空气弹簧上支架(12)与悬架上连接板(5)连接,空气弹簧下支架(15)与悬架底板(1)连接,磁流变减振器上支架(6)与悬架上连接板(5)铰接,磁流变减振器下支架(2)与悬架底板(1)铰接,其特征在于:所述空气弹簧(11)经定位控制阀(10)与附加气室(4)相连,所述磁流变减振器(3)与空气弹簧(11)并联。  1. A vibration damping device with joint adjustment of stiffness and damping, with an air spring (11) with an additional air chamber (4) as the elastic element, a magneto-rheological shock absorber (3) as the damping element, and the upper support of the air spring (12) is connected with the suspension upper connecting plate (5), the air spring lower bracket (15) is connected with the suspension bottom plate (1), and the magneto-rheological shock absorber upper bracket (6) is connected with the suspension upper connecting plate (5) Hinged, the magnetorheological shock absorber lower bracket (2) is hinged with the suspension bottom plate (1), and it is characterized in that: the air spring (11) is connected with the additional air chamber (4) through the positioning control valve (10), so that The magneto-rheological shock absorber (3) is connected in parallel with the air spring (11). the 2.根据权利要求1所述的一种刚度和阻尼联合调节的减振装置,其特征在于:空气弹簧(11)经高度控制阀(13)与供气系统(16)连接,高度控制阀(13)由控制杆(14)控制,控制杆(14)一端与高度控制阀(13)连接,另一端与悬架底板(1)铰接。  2. A damping device with joint adjustment of stiffness and damping according to claim 1, characterized in that: the air spring (11) is connected to the air supply system (16) through the height control valve (13), and the height control valve ( 13) Controlled by the control rod (14), one end of the control rod (14) is connected with the height control valve (13), and the other end is hinged with the suspension base plate (1). the 3.根据权利要求1所述的一种刚度和阻尼联合调节的减振装置,其特征在于:定位控制阀(10)的信号线(9)与控制器(8)的一个输出端口相接,磁流变减振器(3)中励磁线圈的导线(7)与控制器(8)的另一输出端口相接。  3. A damping device with joint adjustment of stiffness and damping according to claim 1, characterized in that: the signal line (9) of the positioning control valve (10) is connected to an output port of the controller (8), The wire (7) of the exciting coil in the magneto-rheological shock absorber (3) is connected to another output port of the controller (8). the
CN 201220273876 2012-06-12 2012-06-12 Stiffness and damping united adjusting vibration-reducing device Expired - Fee Related CN202914611U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110397692A (en) * 2019-08-16 2019-11-01 青岛霍普莱特悬架技术有限公司 An integrated protective air spring shock absorber with adjustable stiffness
WO2021073653A1 (en) * 2019-10-18 2021-04-22 安路普(北京)汽车技术有限公司 Method and system for adjusting height and damping force
CN113696689A (en) * 2021-09-01 2021-11-26 江苏大学扬州(江都)新能源汽车产业研究所 Rigidity multistage adjustable air suspension and control method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110397692A (en) * 2019-08-16 2019-11-01 青岛霍普莱特悬架技术有限公司 An integrated protective air spring shock absorber with adjustable stiffness
WO2021073653A1 (en) * 2019-10-18 2021-04-22 安路普(北京)汽车技术有限公司 Method and system for adjusting height and damping force
US11926188B2 (en) 2019-10-18 2024-03-12 Airlop (Beijing) Automotive Technology Co., Lt Method and system for adjusting height and damping force
CN113696689A (en) * 2021-09-01 2021-11-26 江苏大学扬州(江都)新能源汽车产业研究所 Rigidity multistage adjustable air suspension and control method thereof

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Granted publication date: 20130501

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