CN202106884U - Vibration reducing seat capable of adjusting rigidity and damp - Google Patents

Abstract

The utility model discloses a vibration reducing seat capable of adjusting rigidity and damp, which comprises a seat body, an upper connection plate connected to the bottom end of the seat body and a seat bottom plate connected with the lower portion of the upper connection plate. The upper connection plate is connected with the seat bottom plate through a cross structure and a vibration reducing assembly which are arranged between the upper connection plate and the seat bottom plate. The vibration reducing assembly comprises a vertically arranged oil gas spring, a horizontally arranged damp adjusting damper and a damp self-adaptation adjusting control system connected with the damp adjusting damper. One end of the oil gas spring provided with a piston rod is hinged with the upper connection plate, the other end of the oil gas spring is hinged with the seat base plate, one end of the damp adjusting damper provided with the piston rod is hinged with a cross structure, and the other end of the damp adjusting damper is hinged with the seat bottom plate. The vibration reducing seat is novel and reasonable in design, high in intelligence degree, good in vibration reducing effect, high in practicability, good in comfortableness and easy to popularize and use, and achieves dynamic adjustment of the rigidity and the damp.

Description

Translated fromChinese

一种可调刚度和阻尼的减振座椅A damping seat with adjustable stiffness and damping

技术领域technical field

本实用新型涉及一种减振座椅，尤其是涉及一种可调刚度和阻尼的减振座椅。The utility model relates to a shock-absorbing seat, in particular to a shock-absorbing seat with adjustable stiffness and damping.

背景技术Background technique

现有技术中，汽车减振座椅的减振总成多采用螺旋弹簧和液压阻尼器构成，减振总成的刚度和阻尼都不可调，不同重量的乘客乘坐时，螺旋弹簧的刚度不变，液压阻尼器的阻尼不可调，座椅振动频率很难避开人体不舒适的频率范围，也难以适应变化的行驶工况，减振效果不佳，座椅的乘坐舒适性较差。In the prior art, the damping assembly of the automobile damping seat is mostly composed of coil springs and hydraulic dampers. The stiffness and damping of the damping assembly cannot be adjusted. When passengers with different weights ride, the stiffness of the coil spring remains the same. , The damping of the hydraulic damper is not adjustable, the vibration frequency of the seat is difficult to avoid the uncomfortable frequency range of the human body, and it is also difficult to adapt to the changing driving conditions, the vibration reduction effect is not good, and the seat comfort is poor.

实用新型内容Utility model content

本实用新型所要解决的技术问题在于针对上述现有技术中的不足，提供一种可调刚度和阻尼的减振座椅，其计新颖合理，智能化程度高，实现了刚度及阻尼的动态调节，减振效果好，实用性强，舒适性好，便于推广使用。The technical problem to be solved by the utility model is to provide a vibration-absorbing seat with adjustable stiffness and damping in view of the deficiencies in the above-mentioned prior art. , good vibration reduction effect, strong practicability, good comfort, and easy to popularize and use.

为解决上述技术问题，本实用新型采用的技术方案是：一种可调刚度和阻尼的减振座椅，其特征在于：包括座椅本体、连接在座椅本体底端的上连接板和设置在上连接板下方的座椅底板，所述上连接板通过设置在上连接板与座椅底板之间的交叉结构件和减振总成与座椅底板相接，所述减振总成包括竖直设置的油气弹簧、水平设置的阻尼可调式阻尼器与阻尼可调式阻尼器连接的阻尼自适应调节控制系统，所述油气弹簧设置有活塞杆的一端与上连接板铰接，所述油气弹簧的另一端与座椅底板铰接，所述阻尼可调式阻尼器设置有活塞杆的一端与交叉结构件铰接，所述阻尼可调式阻尼器的另一端与座椅底板铰接。In order to solve the above technical problems, the technical solution adopted by the utility model is: a shock-absorbing seat with adjustable stiffness and damping, which is characterized in that it includes a seat body, an upper connecting plate connected to the bottom end of the seat body and a The seat bottom plate under the upper connecting plate, the upper connecting plate is connected with the seat bottom plate through the cross structure and the vibration damping assembly arranged between the upper connecting plate and the seat bottom plate, and the vibration damping assembly includes vertical A damping self-adaptive adjustment control system in which a vertically arranged oil-gas spring and a horizontally arranged damping adjustable damper are connected to the damping adjustable damper. One end of the oil-gas spring provided with a piston rod is hinged to the upper connecting plate. The other end is hinged to the seat bottom, the adjustable damping damper is provided with one end of the piston rod hinged to the cross structure, and the other end of the adjustable damping damper is hinged to the seat bottom.

上述的一种可调刚度和阻尼的减振座椅，其特征在于：所述交叉结构件通过分别设置在上连接板底端两侧的上滑槽一和上滑槽二、以及分别对应设置在座椅底板顶端两侧的下滑槽一和下滑槽二连接在上连接板与座椅底板之间。The aforementioned shock-absorbing seat with adjustable stiffness and damping is characterized in that: the cross structure is set through the upper chute one and the upper chute two respectively arranged on both sides of the bottom end of the upper connecting plate, and correspondingly arranged The first glide groove and the second glide groove on both sides of the top of the seat bottom plate are connected between the upper connecting plate and the seat bottom plate.

上述的一种可调刚度和阻尼的减振座椅，其特征在于：所述油气弹簧为单气室油气分隔式油气弹簧。The aforementioned vibration-absorbing seat with adjustable stiffness and damping is characterized in that the oil-pneumatic spring is a single-chamber oil-air separated type oil-pneumatic spring.

上述的一种可调刚度和阻尼的减振座椅，其特征在于：所述阻尼可调式阻尼器为磁流变阻尼器。The aforementioned vibration-absorbing seat with adjustable stiffness and damping is characterized in that the adjustable damping damper is a magneto-rheological damper.

上述的一种可调刚度和阻尼的减振座椅，其特征在于：所述阻尼自适应调节控制系统包括加速度传感器、与加速度传感器连接的控制器模块和与控制器模块连接的电流驱动器模块，所述电流驱动器模块与阻尼可调式阻尼器连接；所述加速度传感器粘接在上连接板上，所述控制器模块和电流驱动器模块均固定在座椅底板上。The above-mentioned vibration-absorbing seat with adjustable stiffness and damping is characterized in that the damping adaptive adjustment control system includes an acceleration sensor, a controller module connected to the acceleration sensor, and a current driver module connected to the controller module, The current driver module is connected with a damping adjustable damper; the acceleration sensor is glued on the upper connecting plate, and the controller module and the current driver module are fixed on the seat bottom.

上述的一种可调刚度和阻尼的减振座椅，其特征在于：所述加速度传感器和控制器模块、以及阻尼可调式阻尼器和电流驱动器模块均通过外围包裹着橡胶圈的导线连接。The aforementioned vibration-absorbing seat with adjustable stiffness and damping is characterized in that: the acceleration sensor and the controller module, as well as the damping-adjustable damper and the current driver module are all connected by wires wrapped with rubber rings.

上述的一种可调刚度和阻尼的减振座椅，其特征在于：所述控制器模块为DSP微控制器。The aforementioned damping seat with adjustable stiffness and damping is characterized in that the controller module is a DSP microcontroller.

本实用新型与现有技术相比具有以下优点：Compared with the prior art, the utility model has the following advantages:

1、本实用新型主要利用油气弹簧和阻尼可调式阻尼器组合减振，还采用阻尼自适应调节控制系统实现了阻尼的自动调节，设计新颖合理。1. The utility model mainly utilizes the combination of the oil-gas spring and the damping adjustable damper to reduce vibration, and also adopts the damping adaptive adjustment control system to realize the automatic adjustment of the damping, and the design is novel and reasonable.

2、本实用新型中的阻尼自适应调节控制系统采用加速度传感器采集来自减振座椅的振动加速度信号并输出给控制器模块，控制器模块接收加速度传感器所输出的信号并进行分析处理后输出相应的控制信号给接在其输出端的电流驱动器模块，并通过电流驱动器模块实时地对阻尼可调式阻尼器的阻尼进行控制、调节，从而可以实时控制阻尼可调式阻尼器所输出的阻尼力，调节速度快且准确，实时性能好，智能化程度高。2. The damping adaptive adjustment control system in the utility model adopts the acceleration sensor to collect the vibration acceleration signal from the damping seat and outputs it to the controller module. The controller module receives the signal output by the acceleration sensor and outputs the corresponding signal after analysis and processing. The control signal is given to the current driver module connected to its output terminal, and the damping of the damping adjustable damper is controlled and adjusted in real time through the current driver module, so that the damping force output by the damping adjustable damper can be controlled in real time and the speed can be adjusted Fast and accurate, good real-time performance, high degree of intelligence.

3、本实用新型中阻尼可调式阻尼器所输出的阻尼力可根据需要通过阻尼自适应调节控制系统进行实时调节，而且，油气弹簧的刚度也会随着外界载荷的变化而变化，实现了刚度及阻尼的动态调节，能够很好地适应变化的行驶路况，达到最佳的减振效果。3. The damping force output by the damping adjustable damper in the utility model can be adjusted in real time through the damping adaptive adjustment control system according to the needs, and the stiffness of the oil-gas spring will also change with the change of the external load, realizing the stiffness And the dynamic adjustment of damping can well adapt to changing driving conditions and achieve the best damping effect.

4、本实用新型的实用性强，舒适性好，可广泛应用于各种汽车座椅，尤其是路况恶劣的工程车辆座椅。4. The utility model has strong practicability and good comfort, and can be widely used in various car seats, especially engineering vehicle seats with bad road conditions.

综上所述，本实用新型设计新颖合理，智能化程度高，实现了刚度及阻尼的动态调节，减振效果好，实用性强，舒适性好，解决了现有技术所存在的难以适应变化的行驶路况、减振效果不佳、座椅的乘坐舒适性较差的缺陷和不足，便于推广使用。To sum up, the utility model has a novel and reasonable design, a high degree of intelligence, realizes the dynamic adjustment of stiffness and damping, has good vibration reduction effect, strong practicability, and good comfort, and solves the difficulty in adapting to changes existing in the prior art. The defects and deficiencies of poor driving road conditions, poor shock absorption effect, and poor seating comfort of the seat are convenient for popularization and use.

下面通过附图和实施例，对本实用新型的技术方案做进一步的详细描述。The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

附图说明Description of drawings

图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.

图2为图1的A-A剖视图。Fig. 2 is a sectional view along A-A of Fig. 1 .

图3为图1的B-B剖视图。Fig. 3 is a B-B sectional view of Fig. 1 .

附图标记说明：Explanation of reference signs:

1-座椅本体；          2-上连接板；        3-座椅底板；1-seat body; 2-upper connecting plate; 3-seat bottom plate;

4-交叉结构件；        5-油气弹簧；        6-阻尼可调式阻尼器；4-cross structure; 5-hydro-pneumatic spring; 6-damping adjustable damper;

7-1-加速度传感器；    7-2-控制器模块；    7-3-电流驱动器模块；7-1-acceleration sensor; 7-2-controller module; 7-3-current driver module;

8-1-上滑槽一；        8-2-上滑槽二；      9-1-下滑槽一；8-1-upper chute one; 8-2-upper chute two; 9-1-lower chute one;

9-2-下滑槽二；        10-导线。9-2-sliding groove two; 10-wire.

具体实施方式Detailed ways

如图1所示，本实用新型包括座椅本体1、连接在座椅本体1底端的上连接板2和设置在上连接板2下方的座椅底板3，所述上连接板2通过设置在上连接板2与座椅底板3之间的交叉结构件4和减振总成与座椅底板3相接，所述减振总成包括竖直设置的油气弹簧5、水平设置的阻尼可调式阻尼器6和与阻尼可调式阻尼器6连接的阻尼自适应调节控制系统，所述油气弹簧5设置有活塞杆的一端与上连接板2铰接，所述油气弹簧5的另一端与座椅底板3铰接，所述阻尼可调式阻尼器6设置有活塞杆的一端与交叉结构件4铰接，所述阻尼可调式阻尼器6的另一端与座椅底板3铰接。As shown in Figure 1, the utility model comprises aseat body 1, an upper connectingplate 2 connected to the bottom of theseat body 1 and aseat bottom plate 3 arranged below the upper connectingplate 2, and the upper connectingplate 2 is arranged on the Thecross structure 4 between the upper connectingplate 2 and theseat bottom 3 and the vibration damping assembly are connected to theseat bottom 3. The vibration damping assembly includes a vertically arranged oil-pneumatic spring 5, a horizontally arranged damping adjustable Thedamper 6 and the damping adaptive adjustment control system connected with the dampingadjustable damper 6, one end of the oil-pneumatic spring 5 provided with a piston rod is hinged to the upper connectingplate 2, and the other end of the oil-pneumatic spring 5 is connected to theseat bottom plate 3 hinged, theadjustable damping damper 6 is provided with one end of the piston rod hinged with thecross structure 4, and the other end of the adjustabledamped damper 6 is hinged with theseat bottom 3.

结合图2和图3，本实施例中，所述交叉结构件4通过分别设置在上连接板2底端两侧的上滑槽一8-1和上滑槽二8-2、以及分别对应设置在座椅底板3顶端两侧的下滑槽一9-1和下滑槽二9-2连接在上连接板2与座椅底板3之间。所述油气弹簧5为单气室油气分隔式油气弹簧。所述阻尼可调式阻尼器6为磁流变阻尼器。所述阻尼自适应调节控制系统包括加速度传感器7-1、与加速度传感器7-1连接的控制器模块7-2和与控制器模块7-2连接的电流驱动器模块7-3，所述电流驱动器模块7-3与阻尼可调式阻尼器6连接；所述加速度传感器7-1粘接在上连接板2上，所述控制器模块7-2和电流驱动器模块7-3均固定在座椅底板3上，由于安装的位置合适，因此加速度传感器7-1、控制器模块7-2和电流驱动器模块7-3均不会与交叉结构件4发生干涉。所述加速度传感器7-1和控制器模块7-2、以及阻尼可调式阻尼器6和电流驱动器模块7-3均通过外围包裹着橡胶圈的导线10连接；在导线10外包裹橡皮圈，能够防止在运动过程中，导线10与其他结构缠绕。所述控制器模块7-2为DSP微控制器，DSP微控制器的数据处理速度快，实时性能好，能够提高阻尼自适应调节的精确度。2 and 3, in this embodiment, thecross structure 4 passes through theupper chute 1 8-1 and theupper chute 2 8-2 respectively arranged on both sides of the bottom end of the upper connectingplate 2, and the corresponding The first glide groove 9 - 1 and the second glide groove 9 - 2 arranged on both sides of the top of theseat bottom plate 3 are connected between the upper connectingplate 2 and theseat bottom plate 3 . The oil-air spring 5 is a single-chamber oil-air separated oil-air spring. The dampingadjustable damper 6 is a magnetorheological damper. The damping adaptive adjustment control system includes an acceleration sensor 7-1, a controller module 7-2 connected to the acceleration sensor 7-1 and a current driver module 7-3 connected to the controller module 7-2, the current driver The module 7-3 is connected to the dampingadjustable damper 6; the acceleration sensor 7-1 is glued on theupper connecting plate 2, and the controller module 7-2 and the current driver module 7-3 are fixed on theseat bottom 3, since the installation position is appropriate, the acceleration sensor 7-1, the controller module 7-2 and the current driver module 7-3 will not interfere with theintersection structure 4. The acceleration sensor 7-1 and the controller module 7-2, as well as the dampingadjustable damper 6 and the current driver module 7-3 are all connected by awire 10 wrapped with a rubber ring on the periphery; the rubber ring is wrapped outside thewire 10, which can Prevent thewire 10 from being entangled with other structures during the movement. The controller module 7-2 is a DSP microcontroller, which has fast data processing speed and good real-time performance, and can improve the accuracy of adaptive damping adjustment.

本实用新型的工作原理及过程是：当该减振座椅受到垂直方向的载荷冲击时，交叉结构件4在上滑槽一8-1、上滑槽二8-2、下滑槽一9-1和下滑槽二9-2中前后移动，加速度传感器7-1采集来自减振座椅的振动加速度信号并输出给控制器模块7-2，控制器模块7-2接收加速度传感器7-1所输出的信号并进行分析处理后输出相应的控制信号给接在其输出端的电流驱动器模块7-3，并通过电流驱动器模块7-3实时地对阻尼可调式阻尼器6的阻尼进行控制、调节，从而可以实时地调节阻尼可调式阻尼器6所输出的阻尼力。阻尼可调式阻尼器6会对交叉结构件4在上滑槽一8-1、上滑槽二8-2、下滑槽一9-1和下滑槽二9-2中的前后移动起到一定的约束作用，从而衰减一部分能量，减小对座椅本体1的冲击；同时油气弹簧5的活塞杆也将产生上下运动，吸收一部分能量，经过这两方的能量衰减，最终传递给座椅本体1的能量将大大减小，该减振座椅的乘坐舒适性将大为提高。The working principle and process of the utility model are: when the shock-absorbing seat is impacted by the load in the vertical direction, thecross structure 4 is on the upper chute one 8-1, the upper chute two 8-2, and the lower chute one 9- 1 and chute two 9-2 move back and forth, the acceleration sensor 7-1 collects the vibration acceleration signal from the shock-absorbing seat and outputs it to the controller module 7-2, and the controller module 7-2 receives the vibration acceleration signal obtained by the acceleration sensor 7-1. After the output signal is analyzed and processed, the corresponding control signal is output to the current driver module 7-3 connected to its output terminal, and the damping of the dampingadjustable damper 6 is controlled and adjusted in real time through the current driver module 7-3, Therefore, the damping force output by the dampingadjustable damper 6 can be adjusted in real time. The dampingadjustable damper 6 will play a certain role in the forward and backward movement of thecross structure 4 in the upper chute one 8-1, the upper chute two 8-2, the lower chute one 9-1 and the lower chute two 9-2. Constraining effect, thereby attenuating part of the energy and reducing the impact on theseat body 1; at the same time, the piston rod of the oil-gas spring 5 will also move up and down to absorb part of the energy. After the energy attenuation of the two parties, it is finally transmitted to theseat body 1 The energy will be greatly reduced, and the ride comfort of the shock-absorbing seat will be greatly improved.

综上所述，本实用新型能够准确、快速地实现对于不同振动状况的优良动态调节减振，减振效果好。In summary, the utility model can accurately and quickly realize excellent dynamic adjustment and vibration reduction for different vibration conditions, and the vibration reduction effect is good.

以上所述，仅是本实用新型的较佳实施例，并非对本实用新型作任何限制，凡是根据本实用新型技术实质对以上实施例所作的任何简单修改、变更以及等效结构变化，均仍属于本实用新型技术方案的保护范围内。The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the present utility model still belong to Within the scope of protection of the technical solution of the utility model.

Claims (7)

1. the shock absorbing seat of adjustable rigidity and damping; It is characterized in that: comprise seat body (1), be connected the upper junction plate (2) of seat body (1) bottom and be arranged on the seat plate (3) of upper junction plate (2) below; Said upper junction plate (2) joins through decussate texture spare (4) and vibration damping assembly and the seat plate (3) that is arranged between upper junction plate (2) and the seat plate (3); Said vibration damping assembly comprise vertical setting hydro-pneumatic spring (5), horizontally disposed damp adjustable damper (6) and with damp adjustable damper (6) bonded assembly damping adaptive regulation and control system; It is hinged that said hydro-pneumatic spring (5) is provided with an end and the upper junction plate (2) of piston rod; The other end of said hydro-pneumatic spring (5) and seat plate (3) are hinged; It is hinged that said damp adjustable damper (6) is provided with an end and the decussate texture spare (4) of piston rod, and the other end of said damp adjustable damper (6) and seat plate (3) are hinged.

2. according to the shock absorbing seat of described a kind of adjustable rigidity of claim 1 and damping, it is characterized in that: said decussate texture spare (4) through being separately positioned on upper junction plate (2) both sides, bottom upper hopper chute one (8-1) and upper hopper chute two (8-2) and respectively the correspondence gliding groove one (9-1) and the gliding groove two (9-2) that are arranged on seat plate (3) both sides, top be connected between upper junction plate (2) and the seat plate (3).

3. according to the shock absorbing seat of claim 1 or 2 described a kind of adjustable rigidities and damping, it is characterized in that: said hydro-pneumatic spring (5) is single air chamber oil-gas dividing hydro-pneumatic spring.

4. according to the shock absorbing seat of claim 1 or 2 described a kind of adjustable rigidities and damping, it is characterized in that: said damp adjustable damper (6) is a MR damper.

5. according to the shock absorbing seat of claim 1 or 2 described a kind of adjustable rigidities and damping; It is characterized in that: said damping adaptive regulation and control system comprise acceleration pick-up (7-1), with acceleration pick-up (7-1) bonded assembly controller module (7-2) and with controller module (7-2) bonded assembly current driver module (7-3), said current driver module (7-3) is connected with damp adjustable damper (6); Said acceleration pick-up (7-1) is bonded on the upper junction plate (2), and said controller module (7-2) and current driver module (7-3) all are fixed on the seat plate (3).

6. according to the shock absorbing seat of described a kind of adjustable rigidity of claim 5 and damping, it is characterized in that: said acceleration pick-up (7-1) and controller module (7-2) and damp adjustable damper (6) and current driver module (7-3) all are connected through the lead (10) that the periphery is wrapped in rubber ring.

7. according to the shock absorbing seat of described a kind of adjustable rigidity of claim 5 and damping, it is characterized in that: said controller module (7-2) is the DSP microcontroller.

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