CN108528299B - Vibration shock isolation for armoring vehicle seats hits system - Google Patents
Vibration shock isolation for armoring vehicle seats hits system Download PDFInfo
- Publication number
- CN108528299B CN108528299B CN201810636613.2A CN201810636613A CN108528299B CN 108528299 B CN108528299 B CN 108528299B CN 201810636613 A CN201810636613 A CN 201810636613A CN 108528299 B CN108528299 B CN 108528299B
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- Prior art keywords
- vibration
- control circuit
- shock
- controller
- acceleration transducer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/50—Seat suspension devices
- B60N2/54—Seat suspension devices using mechanical springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of vibration shock isolations for armoring vehicle seats to hit system, belongs to panzer field.The vibration shock isolation system of hitting includes vibration control circuit and impulsive control circuit；Vibration control circuit includes passive vibration isolation element, active actuator, the first controller, the first power amplifier and acceleration transducer；Passive vibration isolation element and active actuator are mounted between the cushion position of seat and intermediate mass；Acceleration transducer is mounted on cushion position, seat bottom and the vehicle chassis of seat；Impulsive control circuit includes adjustable damper, second controller, the second power amplifier, displacement sensor and shock transducer；Adjustable damper is mounted between intermediate mass and seat bottom, and displacement sensor is mounted on seat bottom, and shock transducer is mounted on vehicle chassis；Solve the problems, such as that traditional vibration isolation means are difficult to control effectively to low-frequency vibration；Achieve the effect that effective control low-frequency vibration, improve impact resistance.
Description
Technical field
The present embodiments relate to panzer field, in particular to a kind of vibration shock isolation for armoring vehicle seats, which is hit, is
System.
Background technique
Research has shown that 4Hz to 8Hz is human body sensitizing range, the partial organ of human body can generate resonance in this frequency range.Through
Often traveling is exactly low frequency high intensity in the vibration performance of the panzer in serious uneven section, in order to improve multiplying for armoring occupant
Experience is sat, guarantees good combat situation, needs to control effectively to the vibration in 4Hz to 8Hz frequency range.
Traditional vibration control mode generally uses spring, wirerope, rubber, polyurethane and air bag vibration isolator etc., nothing
Method provides effective vibration isolation in the case where meeting engineering practice requirement.
Summary of the invention
In order to solve problems in the prior art, the embodiment of the invention provides a kind of vibration shock isolations for armoring vehicle seats
Hit system.The technical solution is as follows:
In a first aspect, providing a kind of vibration shock isolation for armoring vehicle seats hits system, the vibration shock isolation hits system
Including vibration control circuit and impulsive control circuit；
The vibration control circuit is used to control the vibration that frequency range is 4Hz to 8Hz, and the impulsive control circuit is used for
Control the shock wave as caused by explosive；
The vibration control circuit includes passive vibration isolation element, active actuator, the first controller, the first power amplifier
And acceleration transducer；
The passive vibration isolation element and the active actuator are mounted between the cushion position of seat and intermediate mass；
The acceleration transducer is mounted on cushion position, seat bottom and the vehicle chassis of the seat；
The impulsive control circuit include adjustable damper, second controller, the second power amplifier, displacement sensor and
Shock transducer；
The adjustable damper is mounted between the intermediate mass and the seat bottom, the installation of institute's displacement sensors
In the seat bottom, the shock transducer is mounted on the vehicle chassis.
Optionally, the passive vibration isolation element in vibration control circuit includes coil spring and damper；
Coil spring and damper are separately mounted between the cushion position of seat and intermediate mass.
Optionally, vibration control circuit includes three acceleration transducers；
First acceleration transducer is mounted on the cushion position of seat, and the second acceleration transducer is mounted on seat bottom,
Third acceleration transducer is mounted on vehicle chassis；
First acceleration transducer, the second acceleration transducer and third acceleration transducer connect with the first controller respectively
It connects, the first controller is connect with the first power amplifier, and the first power amplifier is connect with active actuator；
First controller is used to control the movement of active actuator according to the signal of acceleration transducer.
Optionally, in impulsive control circuit, shock transducer, displacement sensor are connect with second controller respectively, the
Two controllers are connect with the second power amplifier, and the second power amplifier is connect with adjustable damper；
Second controller is used for the signal control adjustable damper of the signal and displacement sensor according to shock transducer
Damping.
Technical solution provided in an embodiment of the present invention has the benefit that
The vibration shock isolation system of hitting for being used for armoring vehicle seats includes vibration control circuit and impulsive control circuit；Vibration control
Circuit processed is used to control the vibration that frequency range is 4Hz to 8Hz, and impulsive control circuit is impacted as caused by explosive for controlling
Wave；Vibration control circuit includes passive vibration isolation element, active actuator, the first controller, the first power amplifier and acceleration
Sensor；Passive vibration isolation element and active actuator are mounted between the cushion position of seat and intermediate mass；Acceleration sensing
Device is mounted on cushion position, seat bottom and the vehicle chassis of seat；Impulsive control circuit includes adjustable damper, the second control
Device, the second power amplifier, displacement sensor and shock transducer；Adjustable damper be mounted on intermediate mass and seat bottom it
Between, displacement sensor is mounted on seat bottom, and shock transducer is mounted on vehicle chassis；It solves traditional vibration isolation means to be difficult to
It control effectively problem to low-frequency vibration；Reach effective control low-frequency vibration, improved impact resistance, promotes occupant
The effect of ride experience.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it is therefore apparent that the accompanying drawings in the following description is only one embodiment of the present of invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structure that a kind of vibration shock isolation for armoring vehicle seats shown according to an exemplary embodiment hits system
Schematic diagram.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Referring to FIG. 1, being hit it illustrates the vibration shock isolation provided by one embodiment of the present invention for armoring vehicle seats and being
The structural schematic diagram of system.It is armoring suitable for Vehicle De L'Avant Blinde By Creussot and crawler type that the vibration shock isolation for being used for armoring vehicle seats hits system
Vehicle.As shown in Figure 1, the vibration shock isolation system of hitting for being used for armoring vehicle seats includes vibration control circuit and impulsive control circuit.
Vibration control circuit is used to control the vibration that frequency range is 4Hz to 8Hz.
Vibration control circuit includes passive isolated component, active actuator 4, the first controller 6, the first power amplifier 5
And acceleration transducer.
Passive vibration isolation element and active actuator 4 be mounted on the cushion position 21 of seat between intermediate mass 14.
Intermediate mass 14 is on vibration control layer in upper layer is for dividing upper layer vibration isolation and lower layer's vibration isolation, vibration control circuit
Layer vibration isolation, impulsive control circuit are the vibration isolation of lower layer's vibration control Ceng Ji lower layer.
Optionally, passive vibration isolation element includes coil spring 2 and damper 3.
Coil spring 2 is mounted between intermediate mass 14 and the cushion position 21 of seat, and damper 3 is mounted on intermediate mass
Between 14 and the cushion position 21 of seat.
Coil spring 2 and damper 3 constitute the passive vibration isolation system in the vibration isolation of upper layer, coil spring 2 and damper 3 in addition to
Carrying is outer, is also used to higher than Mounting frequencyVibration again decays.
Mounting frequency refers to that the seat of panzer installs vibration shock isolation and hits the intrinsic frequency after system；Higher than Mounting frequencyVibration again includes vibration and the ground excited vibration of mechanical equipment.
Acceleration transducer is mounted on cushion position 21, seat bottom 22 and the vehicle chassis 23 of seat.
Optionally, vibration control circuit includes three acceleration transducers.
First acceleration transducer 1 is mounted on the cushion position 21 of seat；First acceleration transducer 1 is used as feedforward control
In error pick-up.
Second acceleration transducer 7 is mounted on seat bottom 22；Second acceleration transducer 7 is used as reference sensor.
Third acceleration transducer 8 is mounted on vehicle chassis 23, and third acceleration transducer 8 is used as reference sensor.
First acceleration transducer 1, the second acceleration transducer 7 and third acceleration transducer 8 are controlled with first respectively
Device 6 connects, and the first controller 6 is connect with the first power amplifier 5, and the first power amplifier 5 is connect with active actuator 4.
First controller 6 is used to control the movement of active actuator 4 according to the signal of acceleration transducer.
Optionally, the first controller 6 obtains the first acceleration transducer 1, the second acceleration transducer 7 and third acceleration
The signal of sensor 8, and utilize adaptive feedforward control strategy and H∞Control algolithm handles the signal of acceleration transducer, output
To the first power amplifier 5, oscillation control signal is amplified to by the first power amplifier 5 can drive actively oscillation control signal
The amplitude of actuator 4；Amplified oscillation control signal is sent to active actuator 4 by the first power amplifier 5；Active actuation
Device is acted according to oscillation control signal, i.e. movement duplication oscillation control signal；Realize the vibration for being 4Hz to 8Hz to frequency range
Control.
Vibration control circuit is the control passively combined with active, by the cushion position, the seat bottom that are mounted on seat
It is realized with three acceleration transducers of vehicle chassis and the adaptive feedforward of ground excited vibration is controlled, and use H∞Control is calculated
Method provides sufficient robust stability under the premise of guaranteeing control performance for vibration control circuit.
Impulsive control circuit is for controlling the shock wave as caused by explosive.
Impulsive control circuit includes adjustable damper 9, second controller 11, the second power amplifier 10, displacement sensor
12 and shock transducer 13.
Adjustable damping sensor 9 is mounted between intermediate mass 14 and seat bottom 22, and the installation of displacement sensor 12 is present
Chair bottom 22, shock transducer 13 are mounted on vehicle chassis 23.
In impulsive control circuit, shock transducer 13 is connect with second controller 11, displacement sensor 12 and the second control
Device 11 processed connects, and second controller 11 is connect with the second power amplifier 10, and the second power method device 10 connects with adjustable damper 9
It connects.
Second controller 11 is used for can resistance trimming according to the signal control of the signal and displacement sensor 12 of shock transducer 13
The damping of Buddhist nun's device.
Shock transducer 13 is used to provide switching signal for second controller 11, and switching signal is used to indicate whether there is punching
It hits.
When there is impact, second controller 11 provides high-damping, and when without impact, second controller 11 provides low resistance.
Displacement sensor 12 is used to measure the relative displacement between seat bottom 22 and intermediate mass 14.
Second controller 11 obtains the signal of displacement sensor 12, and carries out fuzzy control to the signal of displacement sensor 12
Processing, obtains the damping of adjustable damper.
Optionally, second controller 11 determines the height of the damping provided according to the signal of shock transducer 13, utilizes position
The signal of displacement sensor 12 carries out fuzzy control processing, obtains the damping of adjustable damper 9, output impulsive control signal to second
Power amplifier 10；Second power amplifier 10 is sent to adjustable damper 9 after amplifying impulsive control signal；Adjustable damper
9 according to impulsive control signalizing activity, that is, replicates the output of impulsive control signal.
Impulsive control circuit is semi-active damper control, is realized by adjustable damper to the shock wave as caused by explosive
Effective control.
It should be noted that the first controller 6, the first power amplifier 5, the second power amplifier 10 and second controller
Determines according to actual conditions, the embodiment of the present invention is not construed as limiting this to 11 installation site.
In conclusion the vibration shock isolation provided in an embodiment of the present invention for armoring vehicle seats hits system, including vibration control
Circuit processed and impulsive control circuit, are designed for double-layer vibration isolating, and vibration control circuit is upper layer vibration isolation, and impulsive control circuit is lower layer
Vibration isolation；Vibration control circuit includes passive vibration isolation element, active actuator, the first controller, the first power amplifier and acceleration
Spend sensor, by using passive and active vibration insulator full frequency band to vibrated caused by ground excited vibration and power-equipment into
Row effectively control efficiently controls the vibration that frequency range is 4Hz to 8Hz especially by active control means；Impulsive control
Circuit includes that adjustable damper, second controller, the second power amplifier, displacement sensor and shock transducer, utilization are adjustable
Resistance device partly initiatively realizes effective control to the shock wave as caused by explosive；Synthesis uses active and passive and half active
Vibration control method effectively absorbs impact energy while realizing effective control to vibration full frequency band.
Further, since the vibration shock isolation for armoring vehicle seats hits the vibration control circuit in system and impulsive control circuit
It is two independent control loops, the two is independent of each other, and still is able to guarantee certain vibration in the case where electronic component failure
The dynamic control effect with impact.
It should be noted that " first, second, third " in the embodiment of the present invention is only used for distinguishing different power amplifications
Device or acceleration transducer or controller, are not offered as sequencing.
It should be understood that the serial number of the above embodiments of the invention is only for description, do not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of vibration shock isolation for armoring vehicle seats hits system, which is characterized in that it includes vibration that the vibration shock isolation, which hits system,
Dynamic control loop and impulsive control circuit；
The vibration control circuit is used to control the vibration that frequency range is 4Hz to 8Hz, and the impulsive control circuit is for controlling
The shock wave as caused by explosive；
The vibration control circuit includes passive vibration isolation element, active actuator, the first controller, the first power amplifier and adds
Velocity sensor；
The passive vibration isolation element and the active actuator are mounted between the cushion position of seat and intermediate mass；
The acceleration transducer is mounted on cushion position, seat bottom and the vehicle chassis of the seat；
First controller is used to control the movement of the active actuator according to the signal of the acceleration transducer；It is described
Impulsive control circuit includes adjustable damper, second controller, the second power amplifier, displacement sensor and shock transducer；
The adjustable damper is mounted between the intermediate mass and the seat bottom, and institute's displacement sensors are mounted on institute
Seat bottom is stated, the shock transducer is mounted on the vehicle chassis；
The second controller is used for according to the control of the signal of the signal of the shock transducer and institute's displacement sensors
The damping of adjustable damper.
2. vibration shock isolation according to claim 1 hits system, which is characterized in that in the vibration control circuit it is passive every
The element that shakes includes coil spring and damper；
The coil spring and the damper are separately mounted between the cushion position of the seat and the intermediate mass.
3. vibration shock isolation according to claim 1 hits system, which is characterized in that the vibration control circuit includes three and adds
Velocity sensor；
First acceleration transducer is mounted on the cushion position of the seat, and the second acceleration transducer is mounted on the seat bottom
Portion, third acceleration transducer are mounted on the vehicle chassis；
First acceleration transducer, second acceleration transducer and the third acceleration transducer respectively with it is described
The connection of first controller, first controller are connect with first power amplifier, first power amplifier and institute
State active actuator connection.
4. vibration shock isolation according to claim 1 hits system, which is characterized in that described in the impulsive control circuit
Shock transducer, institute's displacement sensors are connect with the second controller respectively, the second controller and second function
Rate amplifier connection, second power amplifier are connect with the adjustable damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636613.2A CN108528299B (en) | 2018-06-20 | 2018-06-20 | Vibration shock isolation for armoring vehicle seats hits system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636613.2A CN108528299B (en) | 2018-06-20 | 2018-06-20 | Vibration shock isolation for armoring vehicle seats hits system |
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| Publication Number | Publication Date |
|---|---|
| CN108528299A CN108528299A (en) | 2018-09-14 |
| CN108528299B true CN108528299B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810636613.2A Active CN108528299B (en) | 2018-06-20 | 2018-06-20 | Vibration shock isolation for armoring vehicle seats hits system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112026603A (en) * | 2020-08-28 | 2020-12-04 | 合肥云鹤安道拓汽车座椅有限公司 | Intelligent regulation and control damping system and regulation and control method for commercial vehicle seat |
| CN113565923B (en) * | 2021-07-26 | 2023-06-16 | 长沙理工大学 | Broadband vibration absorber and control method thereof |
| CN114123926B (en) * | 2021-11-16 | 2023-07-21 | 天津牧云科技有限公司 | Electric mechanism adjusting control circuit and terminal equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0665832B2 (en) * | 1983-09-09 | 1994-08-24 | 三菱電機株式会社 | Vibration control device |
| JPH1137209A (en) * | 1997-07-14 | 1999-02-12 | Yoshihiro Suda | Active control vibration proof device for regenerating vibration energy and storing it as air pressure energy |
| CN100476238C (en) * | 2004-12-20 | 2009-04-08 | 单明军 | Semiactive technique for insulating impulsion based on controllable damping |
| US8311705B2 (en) * | 2007-02-02 | 2012-11-13 | Techno-Sciences, Inc. | Constant force control methodology for shock absorption |
| CN108099714A (en) * | 2016-11-25 | 2018-06-01 | 扬州恒新座椅有限公司 | Anti- fulminating secondary groups close mechanical damper |
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