CN208646664U - Damping suspension and seat with the suspension - Google Patents
Damping suspension and seat with the suspension Download PDFInfo
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- CN208646664U CN208646664U CN201820954014.0U CN201820954014U CN208646664U CN 208646664 U CN208646664 U CN 208646664U CN 201820954014 U CN201820954014 U CN 201820954014U CN 208646664 U CN208646664 U CN 208646664U
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- mounting plate
- air spring
- upper mounting
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Abstract
The utility model provides a kind of damping suspension and the seat with the suspension, wherein damping suspension includes that have can the upper mounting plate of relative telescoping movement and the suspension bodies of lower platform, it further include being set in suspension bodies, and it may make up air spring to the support between upper mounting plate and lower platform, in suspension bodies, and it is supported in the change of the electric current between upper mounting plate and lower platform/MR damper, in suspension bodies, with the detection unit detected to upper mounting plate relative to the vibrational excitation signal of lower platform, and it is fixedly installed relative to suspension bodies, and it constitutes and the control unit controlled is damped to the air spring rigidity and the electric current change/MR damper.The damping suspension of the utility model, it can be achieved that real-time response and active damping to vibration, and can be realized good damping property by the vibration insulating system that is made of controllable air spring and electric current change/MR damper.
Description
Technical field
The utility model relates to suspension technical field, in particular to a kind of damping suspension, meanwhile, the utility model is also related to
A kind of seat with the damping suspension.
Background technique
Road vibration is a kind of uncontrollable and uncertain random vibration, and traditional shock absorbing seat is mostly to use quilt
Dynamic formula damping suspension carries out vibration decaying, which is generally made of mechanical spring and passive type damper, makes
Used time is absorbed by mechanical spring and is vibrated, and by damper dissipation energy, to reach effectiveness in vibration suppression.But mechanical spring with
There is also damping properties for the passive type damping suspension that passive damping device is constituted once designing the case where just can not changing, thus people
The combination of air spring and passive type damper and the combination shape of air spring and segmented passive damping device are had developed again
Formula.
For the damping suspension that air spring and passive type damper are constituted, although air spring is relative to mechanical spring energy
Enough there is good Non-linear elastic, but it still can not make corresponding adjustment according to the change of vibrational excitation, and makes damping
The promotion of energy is limited.The suspension frame structure that air spring and segmented passive damping device are constituted, although damping is adjustable, however segmented
Design, do not adapt to road vibration complicated and changeable, and make the improvement of damping property still limited.
It is directed to the deficiency of passive type suspension, some companies are proposed active vibration damping suspension frame structure, such as one in recent years
Kind uses the active damping suspension of air spring and linear motor, is able to achieve active control, and can have preferable followability
Can, and have good effectiveness in vibration suppression.But techniques of linear motor is complicated, with high costs, maintenance difficulty is big, and its power consumption
Height, market acceptance is low, and has very big universal difficulty.
Utility model content
In view of this, the utility model is directed to a kind of damping suspension, can have good damping property.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of damping suspension, can the upper mounting plate of relative telescoping movement and the suspension bodies of lower platform including having, further includes:
Air spring is set in the suspension bodies, and may make up to the branch between the upper mounting plate and the lower platform
Support；
Electric current change/MR damper is set in the suspension bodies, and is supported in the upper mounting plate and the lower platform
Between；
Detection unit is set in the suspension bodies, to constitute the vibration to the upper mounting plate relative to the lower platform
The detection of pumping signal；
Control unit, relative to the suspension bodies be fixedly installed, and with the air spring, electric current change/magnetic current
Variable damping device and the detection unit are connected, and described control unit is arranged to be undertaken in the detection of the detection unit
Signal is constituted to the air spring rigidity and the electric current change/MR damper damping control.
Further, the upper mounting plate is connected with the lower platform by scissors mechanism.
Further, connecting rod, the air spring peace are hinged between the scissor arms of the two sides in the scissors mechanism
Loaded in the connecting rod and with the upper mounting plate support be connected.
Further, the electric current change/MR damper pivot be set in the scissor arms and with the upper mounting plate
It is hinged and connected.
Further, the detection unit includes the displacement sensor and acceleration sensing in the suspension bodies
Device.
Further, institute's displacement sensors are located on the lower platform, and the acceleration transducer is located at described flat
On platform.
Further, described control unit includes controller, the gas between the controller and the air spring
Road control assembly, and the driver between the controller and electric current change/MR damper；The gas circuit control
Component processed includes the tracheae for being connected on the air spring and connecting with external air source, the control valve on the tracheae,
And the baroceptor being connect on the air spring and with the controller.
Further, the control valve is solenoid valve；The external air source is the air pump being arranged in the suspension bodies.
Compared with the existing technology, the utility model has the advantage that
The damping suspension of the utility model by controllable air spring with what electric current change/MR damper formed by being subtracted
Vibrating system can not only realize to the real-time response of vibration and the control effect of active damping by detecting to vibrational excitation, and
By the variable of air spring rigidity and quickly adjusting, it can reach good damping effect, pass through electric current change/MR damper
Damping characteristic variable and quickly adjust, can reach good vibration attenuation.The damping suspension of the utility model as a result,
Via air spring and electric current change/MR damper united application, good damping property can be realized, and can be improved outstanding
The vibration isolation capability of frame.
In addition, carrying out the connection between upper lower platform in the damping suspension of the utility model by scissors mechanism, can not only realizing
Relative telescoping movement between two platforms, and stable and reliable operation.Air spring is mounted on the connecting rod between the scissor arms of two sides
On, the size of air spring can be reduced, and be conducive to its arrangement.Damper pivot, which is set in scissor arms, can then make it have more preferably
Vibration damping capacity.The detection of vibrational excitation is carried out by the cooperation of displacement sensor and acceleration transducer, cost is relatively low,
As a result accurate, and good reliability.The gas circuit control assembly of air spring uses solenoid valve, can simplify structure, and can be improved control
The Stability and dependability of system, and air pump is set on suspension, then it can be convenient for being suspended in the application of no gas source occasion, in favor of outstanding
The popularization and application of frame.
The another object of the utility model is to propose a kind of seat comprising the seat main body with seat basin and backrest,
And the seat main body is installed on damping suspension as described above.
Further, the bottom of Yu Suoshu damping suspension is provided with seat position and adjusts unit.
The seat of the utility model is by using damping suspension as above, it can be achieved that vibrational excitation to being transferred at seat
Active damping, and can have good damping property, and a comfort that Liftable seat is taken.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structure configuration diagram of damping suspension described in the utility model embodiment one；
Fig. 2 is a kind of schematic diagram of exemplary structure of damping suspension described in the utility model embodiment one；
Fig. 3 is structural schematic diagram of the damping suspension shown in Fig. 2 under another visual angle；
Fig. 4 is the structural schematic diagram of seat described in the utility model embodiment two；
Description of symbols:
1- suspension bodies, 2- air spring, 3- electro-rheological fluid damper, 4- controller, 5- control valve, 6- driver, 7- gas
Pressure sensor, 8- displacement sensor, 9- acceleration transducer, 10- external air source, the upper sliding rail of 11-, 12- top plate, 13- glidepath,
14- scissor arms, 15- sliding block, 16- upper connecting rod, 17- lower link, 18- connecting rod；
100- suspension, 200- seat main body, 300- seat position adjust unit.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
The present embodiment is related to a kind of damping suspension, includes suspension bodies in overall structure, having in the suspension bodies can
The upper mounting plate and lower platform of relative telescoping movement further include being arranged in suspension bodies, may make up to upper mounting plate and lower platform
Between support air spring, be set in suspension bodies, and be supported in the change of the electric current between upper mounting plate and lower platform/magnetic current
Variable damping device, and be set in suspension bodies, and upper mounting plate is detected relative to the vibrational excitation signal of lower platform
Detection unit, and be fixedly installed relative to suspension bodies, and by the detection signal of detection unit, to air spring rigidity and electricity
Rheology/MR damper damps the control unit controlled.
Wherein, based on overall structure as above, as shown in fig. 1, specifically, being supported in the damper between lower platform
It preferably can be electro-rheological fluid damper 3, above-mentioned detection unit may include the displacement sensor 8 being set in suspension bodies 1 and add
Velocity sensor 9, and control unit then includes controller 4, the gas circuit control being set between the controller 4 and air spring 2
Component, and the driver 6 between controller 4 and electro-rheological fluid damper 3.
Above-mentioned gas circuit control assembly specifically includes the tracheae for being connected on air spring 2 and connecting with external air source 10, if
The control valve 5 being placed on the tracheae, and the baroceptor 7 being connect on air spring 2 and with controller 4.Meanwhile it controlling
Valve 5 processed preferably uses such as proportion magnetic valve electromagnetic valve structure, and external air source 10 then can be to be arranged in suspension bodies 1
Air pump, alternatively, external air source 10 can also be the air pump of vehicle self-carrying when the suspension is set in such as vehicle structure, with
It is supplied for air spring 2.
According to the above introduction constituted to the present embodiment damping suspension overall structure, one kind of the damping suspension is specific
Exemplary structure is incorporated into shown in Fig. 3 as Fig. 2, and specifically, upper mounting plate and lower platform in suspension bodies 1 can be by being located at the two
Between scissors mechanism be attached, and the stretching motion between upper lower platform is opposite is realized by the scissors mechanism.And in structure,
The upper mounting plate by being located at the upper sliding rails 11 of two opposite sides, and in the middle part of sliding rail 11 on two sides be connected on two sliding rail 11 it
Between top plate 12 constitute.The structure of lower platform and upper mounting plate are essentially identical, also by being located at the glidepath 13 of two sides, and connection
Connecting plate between two sides glidepath 13 is constituted.
Sliding slot is formed in the inside of upper sliding rail 11 and glidepath 13, and is embedded with sliding block 15, position in sliding in sliding slot
The end of scissor arms 14 in scissors mechanism between upper lower platform is just hinged on sliding block 15, to open in scissors mechanism
When closing, and making stretching motion between lower platform, sliding block 15 is by sliding along the chute, to match the movement of 14 end of scissor arms
Displacement.
In the present embodiment, it is also hinged with connecting rod 18 between the scissor arms 14 of two sides, to increase scissors mechanism entirety
Stability, and a mounting plate is also fixed in connecting rod 18, the bottom of air spring 2 is fixed on the mounting plate,
It is installed in suspension bodies 1 with realizing, while the top of air spring 2 is then connect with top plate 12.By the way that air spring 2 is arranged
In connecting rod 18 in scissors mechanism, the size of air spring 2 can be reduced, and be conducive to its arrangement, and also help outstanding
The integrally-built design of frame.
Certainly, in addition to by air spring 2 be arranged between connecting rod 18 and top plate 12 so that air spring 2 bottom and
Top is connect with the top plate 12 in the connecting plate and upper mounting plate in lower platform respectively, is put down to be set up directly on upper mounting plate with lower
It is also possible between platform.
Still as shown in Figure 3, the cylinder body of the electro-rheological fluid damper 3 of the present embodiment is connected in scissor arms specifically by one
Pivotal axis on 14 is pivotably arranged in scissor arms 14, and the piston rod of electro-rheological fluid damper 3 is then cut with scissors with the top plate 12 in upper mounting plate
It connects connected, setting of the electro-rheological fluid damper 3 in suspension bodies 1 is realized with this.And it is located at the detection unit in suspension bodies 1
In, displacement sensor 8 is arranged on lower platform, and it is specially the controller being arranged on the connecting plate being fixed in lower platform
4 top, acceleration transducer 9 are then arranged on the top plate 12 in upper mounting plate.
Wherein, displacement sensor 8 is accelerated preferably using existing magnetic or photo-electric non-contact displacement transducer device
It spends sensor 9 and then uses existing piezoelectric type, condenser type or inductance type acceleration sensor device.In the present embodiment, outside
When portion's gas source 10 is using the air pump being arranged in suspension bodies 1, the external air source 10 which is constituted can specifically be fixed on lower flat
On connecting plate in platform, at this point, the gas outlet of air pump is connect by tracheae with control valve 5, control valve 5 is also secured at air pump side
Connecting plate on, control valve 5 is then connected on the air inlet of air spring 2 by tracheae again.And in order to extend gas circuit control group
The service life of each component in part, can also concatenate inventiona gas treatment module on the tracheae of air pump gas outlet, to do to gas
Dry and filtration treatment.
In the present embodiment, correspond to electro-rheological fluid damper 3, the driver 6 in control unit is driven using existing voltage
Device, can be mentioned under the control of controller 4 by the working electrode of driver 6 being adjusted in electro-rheological fluid damper 3
For different voltage, thus change the electric field strength in electro-rheological fluid damper 3 in damp channel, and then realize electro-rheological fluid damper
The adjustment of 3 dampings.And when using electromagnetism variable damping device, above-mentioned driver 6 then uses existing current driving apparatus, with
Change the electric current of the magnet exciting coil in electromagnetism variable damping device by driver 6, and then changes the magnetic field strength in damp channel, and most
The adjustment of damping characteristic is realized eventually.
In addition, specifically using the programmable logic devices such as existing single-chip microcontroller just for the controller 4 in control unit
Can, and the control logic of the controller 4, the use process that would be incorporated into damping suspension described below are illustrated.
Specifically, it in use, vibrational excitation is transmitted at the lower platform of suspension bottom, and is then carried on upper mounting plate
The tops such as seat, occupant quality.As one such example, in use, when acceleration transducer 9 and displacement pass
Sensor 8 detects vibrational excitation signal, and transmits signals to controller 4, and controller 4 can according to the signal of displacement sensor 8
The size for judging vibration, drives according to what acceleration transducer 9 can determine whether out to vibrate, by the comprehensive of displacement signal and acceleration signal
It closes, just can judge real-time vibration information.
It can be combined in the detection of baroceptor 7 according to vibration information controller 4, and control control valve 5 and external air source
10, if air pressure in air spring 2 lower than set threshold value (threshold value for example can according to the difference of vibration information (size),
It is designed as multi gear) when, it is inflated from external air source 10 by control valve 5 to air spring 2, if air pressure is higher than and sets in air spring 2
Determine threshold value, then can be deflated by the emptying of control valve 5.During inflated for deflated, baroceptor 7 is to air spring 2
Interior gas pressure carries out examinations, and feeds back to controller 4, to stop being filled and deflated by.
By to the inflated for deflated of air spring 2, can the rigidity to air spring 2 adjusted in real time, thus with
This can adapt to obtain preferable active damping performance in different vibrational excitations.
As another example, acceleration transducer 9 detects vibrational excitation signal in the present embodiment, and is sent to control
Device 4, after controller 4 carries out signal judgement, controllable driver 6 provides corresponding voltage, electric current variable resistance to electro-rheological fluid damper 3
Buddhist nun's device 3 changes damping according to the received voltage of institute in real time, follows response in real time to vibrational excitation to can realize, and acquisition compared with
Good active vibration attenuation performance.
As another example, controller 4 can be detected according to displacement sensor 8 and acceleration transducer 9 in the present embodiment
Vibrational excitation signal, while to control valve 5, external air source 10 and driver 6 issue control signal, by 2 He of air spring
The synchronization coupling operational of electro-rheological fluid damper 3, and obtain better active damping performance.
In addition, in addition to the adjusting for carrying out rigidity passes through being filled and deflated by air spring 2 to carry out vibration damping in the present embodiment
Can also realize the adjusting of suspension height, with this in the suspension application when seat, can also realize the adjustment to height of seat.
Specifically, it is the adjusting of progress height, such as ascending, descending control switch, control switch can be further set in control unit
It is connect with controller 4, when touching a certain switch, controller 4 can be by the inflated for deflated of air spring 2, by scissor machine
The change of suspension height is realized in the folding of structure.In height adjustment process, realize using displacement sensor 8 to variation in altitude amount
Real-time detection.
It certainly, is the intelligence in increase height adjustment, the present embodiment for example settable height and position value in controller 4
Memory module can be used for saving the last height value with this, so as to realize high memory function, with can adjust automatically
To memory height.
Embodiment two
The present embodiment is related to a kind of seat, which is preferably the armchair structure being applied on vehicle, and such as institute in Fig. 4
Show, which includes suspension 100, the seat main body 200 with seat basin and backrest being mounted on suspension 100, and is located at
The seat position of suspension bottom adjusts unit 300.Wherein, suspension 100 is using damping suspension described in embodiment one, seat master
Body uses existing arta vehicle seat unit, such as can carry out angle adjustment by angle adjustor, and handrail is set etc..
And the seat position adjusting unit 300 of the present embodiment then can refer to the seat position adjustment structure on existing automobile,
Manual track module or motor-driven automatic track module for example can be used in it, can carry out the position tune of front and rear, left and right
Section.Alternatively, above-mentioned seat position, which adjusts unit 300 also, to be a rotary module that can be rotated, to be able to carry out seat
Rotation, and its turned position is locked.
In addition, to ensure going on smoothly for the work of suspension 100 in the present embodiment, in the upper mounting plate in suspension bodies 1 under
Surrounding baffle can also be respectively set in the surrounding of platform, wherein the height of the surrounding baffle at lower platform is programmable larger, and upper mounting plate
That locates is then corresponding smaller.
The seat of the present embodiment is by using the damping suspension of embodiment one, it can be achieved that being transferred at seat main body 200
Vibrational excitation active damping, and have good damping property, be able to ascend the comfort of seat presence.Meanwhile passing through
Suspension frame structure in Application Example one, additionally it is possible to modular manufacturing and the assembling of armchair structure are realized, to can also be conducive to seat
The design application of chair, and can be improved seat production efficiency, and reduce the production cost of seat, and have practical well
Property.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of damping suspension, including have can the upper mounting plate of relative telescoping movement and the suspension bodies of lower platform, feature exists
In further include:
Air spring is set in the suspension bodies, and may make up to the support between the upper mounting plate and the lower platform；
Electric current change/MR damper is set in the suspension bodies, and be supported in the upper mounting plate and the lower platform it
Between；
Detection unit is set in the suspension bodies, to constitute the vibrational excitation to the upper mounting plate relative to the lower platform
The detection of signal；
Control unit, relative to the suspension bodies be fixedly installed, and with the air spring, electric current change/magnetic current variable resistance
Buddhist nun's device and the detection unit are connected, and described control unit is arranged to receive the detection signal of the detection unit,
And constitute the control of the damping to the rigidity and electric current change/MR damper of the air spring.
2. damping suspension according to claim 1, it is characterised in that: the upper mounting plate and the lower platform are by scissors mechanism
Connection.
3. damping suspension according to claim 2, it is characterised in that: between the scissor arms of the two sides in the scissors mechanism
It is hinged with connecting rod, the air spring is installed in the connecting rod and is connected with upper mounting plate support.
4. damping suspension according to claim 3, it is characterised in that: the electric current change/MR damper pivots setting
It is hinged and connected in the scissor arms and with the upper mounting plate.
5. damping suspension according to claim 1, it is characterised in that: the detection unit includes being set to the suspension bodies
On displacement sensor and acceleration transducer.
6. damping suspension according to claim 5, it is characterised in that: institute's displacement sensors are located on the lower platform,
The acceleration transducer is located on the upper mounting plate.
7. damping suspension according to claim 1, it is characterised in that: described control unit includes controller, is set to described
Gas circuit control assembly between controller and the air spring, and be set to the controller and the electric current become/it is magnetorheological
Driver between damper；The gas circuit control assembly includes being connected on the air spring and connecting with external air source
Tracheae, the control valve on the tracheae, and the air pressure being connect on the air spring and with the controller
Sensor.
8. damping suspension according to claim 7, it is characterised in that: the control valve is solenoid valve；The external air source
For the air pump being arranged in the suspension bodies.
9. a kind of seat, including the seat main body with seat basin and backrest, it is characterised in that: the seat main body is installed in such as power
Benefit require any one of 1 to 8 described on damping suspension.
10. seat according to claim 9, it is characterised in that: the bottom of Yu Suoshu damping suspension is provided with seat position
Adjust unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954014.0U CN208646664U (en) | 2018-06-20 | 2018-06-20 | Damping suspension and seat with the suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820954014.0U CN208646664U (en) | 2018-06-20 | 2018-06-20 | Damping suspension and seat with the suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208646664U true CN208646664U (en) | 2019-03-26 |
Family
ID=65781056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820954014.0U Active CN208646664U (en) | 2018-06-20 | 2018-06-20 | Damping suspension and seat with the suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208646664U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674301A (en) * | 2020-06-02 | 2020-09-18 | 华南农业大学 | Stroke-adjustable suspension and driving chair |
| CN111938978A (en) * | 2020-07-23 | 2020-11-17 | 李友安 | Anti-shaking device for dental chair |
| CN113465949A (en) * | 2021-06-29 | 2021-10-01 | 奇瑞汽车股份有限公司 | Test system, test method and manufacturing method of automobile suspension system |
| CN113511338A (en) * | 2021-05-19 | 2021-10-19 | 中国商用飞机有限责任公司 | Vibration-damping seat and vibration-damping method for an aircraft |
| CN114435207A (en) * | 2022-02-18 | 2022-05-06 | 中国人民解放军32272部队41分队 | Novel semi-active control damping seat |
| US20230146328A1 (en) * | 2021-11-05 | 2023-05-11 | Ussc Acquisition Corp. | Semi-Active Seat Suspension System |
-
2018
- 2018-06-20 CN CN201820954014.0U patent/CN208646664U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111674301A (en) * | 2020-06-02 | 2020-09-18 | 华南农业大学 | Stroke-adjustable suspension and driving chair |
| CN111938978A (en) * | 2020-07-23 | 2020-11-17 | 李友安 | Anti-shaking device for dental chair |
| CN113511338A (en) * | 2021-05-19 | 2021-10-19 | 中国商用飞机有限责任公司 | Vibration-damping seat and vibration-damping method for an aircraft |
| CN113465949A (en) * | 2021-06-29 | 2021-10-01 | 奇瑞汽车股份有限公司 | Test system, test method and manufacturing method of automobile suspension system |
| US20230146328A1 (en) * | 2021-11-05 | 2023-05-11 | Ussc Acquisition Corp. | Semi-Active Seat Suspension System |
| US12077072B2 (en) * | 2021-11-05 | 2024-09-03 | Ussc Acquisition Corp. | Semi-active seat suspension system |
| CN114435207A (en) * | 2022-02-18 | 2022-05-06 | 中国人民解放军32272部队41分队 | Novel semi-active control damping seat |
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Effective date of registration: 20190412 Address after: 401120 Standard Building No. 10 of Block 100 of Chongqing Yubei Airport Industrial Park Patentee after: CHONGQING HEWEI TECHNOLOGY CO., LTD. Address before: 402181 No. 999 Xingguang Avenue, Yongchuan District, Chongqing Patentee before: Chongqing Feilisite Technology Co. Ltd. |