CN205668481U - The semi-active suspension of a kind of passenger vehicle and passenger vehicle - Google Patents
The semi-active suspension of a kind of passenger vehicle and passenger vehicle Download PDFInfo
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- CN205668481U CN205668481U CN201620527060.3U CN201620527060U CN205668481U CN 205668481 U CN205668481 U CN 205668481U CN 201620527060 U CN201620527060 U CN 201620527060U CN 205668481 U CN205668481 U CN 205668481U
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Abstract
A kind of semi-active suspension of passenger vehicle, including adjustable vibration-damper, described adjustable vibration-damper is located on spring carried mass assembly, described adjustable vibration-damper includes body, GMM assembly and hydraulic pressure cylinder assembly, described GMM assembly is located at internal, described GMM assembly is provided with telescopic GMM rod, it is connected by baffle plate between described GMM rod and hydraulic pressure cylinder assembly, described GMM rod is flexible makes hydraulic pressure cylinder assembly produce pressure differential, stretch out removable take-off lever in described hydraulic pressure cylinder assembly to be connected with nonspring carried mass assembly, described hydraulic pressure cylinder assembly produces take-off lever described in pressure official post and drives nonspring carried mass assembly to move, the damping correspondence of described elastic component changes.This utility model design based on GMM rod, by controlling, GMM rod is flexible makes hydraulic pressure cylinder assembly produce pressure differential, and then controls the lifting process of vehicle body.There is type of drive advantage simple, the most corresponding, it is possible to according to vehicle running surface situation, control the lifting of vehicle body, reach to promote vehicle ride performance and the effect of stability.
Description
Technical field
This utility model relates to the technical field of Vehicle Semi-active Suspension, particularly relates to a kind of passenger vehicle based on GMM
Semi-active suspension and passenger vehicle.
Background technology
Hyundai Motor just develops towards safety, intellectuality and the direction cleaned.Suspension system intellectuality solves tradition
Comfortableness that passive suspension exists and the problem that stability can not be taken into account, and adapt to the driving cycle of change and any road swashs
Encourage, represent the direction of suspension system development.Active suspension can obtain the vibrating isolation system of a high-quality, it is achieved preferable suspension
Controlling target, but energy expenditure is big, cost is high, and structure is complicated.Energy, cost and reliability are to limit Active suspension development
Bottleneck.Semi-active suspension adapts to different roads and the needs of travel conditions by the damping characteristic changing vibroshock, improves
Riding comfort and control stability.Due to semi-active suspension on Control platform close to Active suspension, and simple in construction, energy
Amount loss is little, is used widely at present on passenger vehicle.
Semi-active suspension includes continuous adjustable and switchable type two class.Common changeable damp type suspension is typically arranged
2 to 3 ranks, damped coefficient can be switched fast between several grades, and the time of switching is usually 10 ~ 20ms, and control method is usual
Relative velocity according to vehicle body and absolute velocity change the setting of system damping.But owing to its response speed is relatively slow, damping becomes
Gear shift number is limited so that it has significant limitation in terms of adapting to automobile running working condition and road conditions change.Continuously adjustabe
The damped coefficient of vibroshock can have two kinds of basic implementations with consecutive variations within the specific limits.One is to be subtracted by regulation
Shaking the area of device choke valve and change the aperture adjustment formula of damping characteristic, the change in its aperture typically can be by electromagnetic valve or other class
As electromechanical drive valve realize.Another kind is that electric current becomes or magnetorheological adjustable damper, and its operation principle is by changing
Electric field or magnetic field intensity change the damping characteristic of rheological body.But drive valve real by electromagnetic valve or other similar electromechanicals
The damper structure of the regulation of existing throttle diameter is complicated, and with high costs, magnetorheological adjustable damper then exists durability, sluggishness etc.
Problem.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, it is provided that a kind of fast response time, good reliability
The semi-active suspension of passenger vehicle and passenger vehicle.
For solving above-mentioned technical problem, this utility model have employed techniques below measure:
The semi-active suspension of a kind of passenger vehicle, including spring carried mass assembly, nonspring carried mass assembly and elastic component, described bullet
Property part be located between spring carried mass assembly and nonspring carried mass assembly, for by the two connect, also include adjustable vibration-damper, institute
Stating adjustable vibration-damper to be located on spring carried mass assembly, described adjustable vibration-damper includes body, GMM assembly and hydraulic cylinder group
Part, described GMM assembly is located at internal, and described GMM assembly is provided with telescopic GMM rod, described GMM rod and hydraulic pressure cylinder assembly it
Between connected by baffle plate, described GMM rod is flexible makes hydraulic pressure cylinder assembly produce pressure differential, stretches out removable in described hydraulic pressure cylinder assembly
Take-off lever is connected with nonspring carried mass assembly, and described hydraulic pressure cylinder assembly produces take-off lever described in pressure official post and drives nonspring carried mass
Assembly moves, and the damping correspondence of described elastic component changes.
This utility model can also be the most perfect by techniques below measure:
As improving further, described hydraulic pressure cylinder assembly includes,
Left oil circuit, its one end connects has left nozzle, described left nozzle to be positioned at the left side of baffle plate;
Right oil circuit, its one end connects has right nozzle, described right nozzle to be positioned at the right side of baffle plate;
Slide valve assembly, including the guiding valve chamber of spool valve element and hollow, what described spool valve element can move left and right is located at piston chamber
Indoor, the left end of described guiding valve chamber and left oil communication, its right-hand member and right oil communication, in being provided with in the middle part of described guiding valve chamber
Oil duct is connected with left nozzle, right nozzle, described guiding valve chamber be respectively arranged on the left side and the right side left oil road, right oil road;
Vibroshock, including vibration damping chamber, demarcation strip and the take-off lever of hollow, vibration damping chamber is divided into a left side by described demarcation strip
Chamber and right chamber, described take-off lever is connected with demarcation strip, and stretches out vibration damping chamber and be connected with nonspring carried mass assembly, a described left side
Chamber is connected by left oil input channel with guiding valve chamber, and described right chamber is connected by right oil input channel with guiding valve chamber;
When described spool valve element moves left and right, control oil and enter left chamber through guiding valve chamber or enter right chamber, left chamber
Room forms pressure differential with right chamber, makes take-off lever move left and right.
As improving further, it is additionally provided with fuel tank, the oil return pipe being communicated with between described body and fuel tank, described left oil
Road, right oil circuit connect with fuel tank respectively, and described left oil road, right oil road connect with fuel tank respectively, described left oil circuit and fuel tank
Between be provided with oil pump, be provided with oil pump between described right oil circuit and fuel tank.
As improving further, described spool valve element includes left block, middle block and right block, and described three blocks are solid successively
Fixed connection;When GMM rod is in original state, described left oil circuit is equal with the hydraulic pressure of right oil circuit, and described middle block blocks middle oil
Road, makes oil cannot be introduced into piston chamber indoor;It is pressed on right nozzle when GMM rod extends to move right baffle plate, described right oil circuit
Hydraulic pressure more than the hydraulic pressure of left oil circuit, described spool valve element moves to left and makes oil therefrom oil duct enter, and from the right oil input channel right chamber of entrance
In, promote take-off lever to move to left, the oil in described left chamber flows back to fuel tank from left oil input channel, left oil road successively;When GMM rod shortens
Being moved to the left by baffle plate and be pressed on left nozzle, the hydraulic pressure of described right oil circuit is less than the hydraulic pressure of left oil circuit, and described spool valve element moves to right
Making oil therefrom oil duct enter, and enter in left chamber from left oil input channel, promote take-off lever to move to right, the oil in described right chamber is successively
Fuel tank is flowed back to from right oil input channel, right oil road.
As improving further, also include that control unit, described GMM assembly include driving coil and GMM rod, described body
Inside being provided with collecting chamber, it is indoor that described driving coil is located at host cavity, and described GMM rod wears in the drive coil, described GMM rod
One end be fixed on body, its other end stretches out driving coil and baffle plate to be fixed and is connected, and described control unit can change driving
Size of current in coil, makes the changes of magnetic field in driving coil, described GMM rod be affected generation telescopic variation by changes of magnetic field.
As improving further, described control unit includes that the first displacement transducer and GMM actuator drive module, described
First displacement transducer is located on nonspring carried mass assembly, is used for sensing vehicle body amplitude, the detection of described first displacement transducer
Signal sends the ECU to passenger vehicle, described ECU after A/D changes and sends control signals to GMM actuator driving module, described
GMM actuator drives module to change the size of current driving coil, makes GMM rod telescopic variation.
As improving further, described telescopic section is provided with second displacement sensor, for sensing the stroke of telescopic section,
The signal detected is fed back to ECU by described second displacement sensor.
As improving further, described GMM rod includes telescopic section and the section of stretching out, and one end of described telescopic section is fixed on body
On, its other end connects the section of stretching out, described in the section of stretching out stretch out driving coil and baffle plate and fix and be connected, described in the section of stretching out in cross
Type, described in the section of stretching out be provided with elastic component.
As improving further, described baffle plate one end is hinged with body, and its other end is connected with block, and described GMM rod sets
Middle part at baffle plate.
This utility model also provides for a kind of passenger vehicle, including vehicle body and wheel, also includes that at least one is such as claim 1 to 9
The semi-active suspension of the passenger vehicle described in any one, the semi-active suspension of described passenger vehicle be resiliently attached to vehicle body and wheel it
Between, described passenger vehicle is provided with ECU, described ECU and is connected with the semi-active suspension of passenger vehicle, the most outstanding for controlling the half of passenger vehicle
The work of frame.
Compared with prior art, this utility model has the advantage that
1, by arranging GMM rod in adjustable vibration-damper, stretch in control GMM rod and make baffle plate to left nozzle or right nozzle
Produce pressure, and then make the left chamber of vibration damping chamber produce pressure differential with right chamber.And this pressure differential can promote separation strip
Dynamic take-off lever moves left and right, and the most just makes nonspring carried mass assembly move.There is type of drive advantage simple, reaction at a high speed, energy
Enough according to vehicle running surface situation, the lifting of control vehicle body, reach to promote vehicle ride performance and the effect of stability.
2, GMM rod is worn in the drive coil, by changing the size of current driven in coil, make in driving coil
Changes of magnetic field, described GMM rod is affected generation telescopic variation by changes of magnetic field.There is conversion efficiency high, work can be reduced as far as possible
The consume of energy during work.
3, the first displacement transducer and GMM actuator is used to drive the control unit of module, by digital control GMM rod
Displacement, reach change actuator damping size effect.There is continuously adjustable, respond quick advantage, substantially without late
Stagnant phenomenon.
4, second displacement sensor is set in GMM rod, GMM rod deformation quantity is fed back to ECU, and result is analyzed
Judge whether to reach intended damping change.So, it is also possible to judged according to damping change result, if make compensation,
It is further ensured that the accuracy of damping change.
5, controlling oil turnover left chamber or right chamber by arranging slide valve assembly, the telescopic variation making GMM rod can be more
Directly significantly it is reacted to the movement of take-off lever.
Accompanying drawing explanation
Accompanying drawing 1 is the general assembly schematic diagram of the semi-active suspension of this utility model passenger vehicle;
Accompanying drawing 2 is the schematic diagram of GMM assembly in the semi-active suspension of passenger vehicle described in accompanying drawing 1;
Accompanying drawing 3 is the control system schematic diagram of the semi-active suspension of passenger vehicle described in accompanying drawing 1;
Accompanying drawing 4 is the general assembly schematic diagram of this utility model passenger vehicle.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Refer to Fig. 1 to Fig. 4, the semi-active suspension 100 of a kind of passenger vehicle, including spring carried mass assembly 3, nonspring carried mass
Assembly 1 and elastic component 2, described elastic component 2 is located between spring carried mass assembly 3 and nonspring carried mass assembly 1, for the two being connected
Connect.Also include that adjustable vibration-damper, described adjustable vibration-damper are located on spring carried mass assembly 3, described adjustable vibration-damper bag
Include body, GMM assembly 4 and hydraulic pressure cylinder assembly 5.Described GMM assembly 4 is located at internal, and described GMM assembly 4 is provided with telescopic
GMM rod 41, is connected by baffle plate 6 between described GMM rod 41 and hydraulic pressure cylinder assembly 5.Described GMM rod 41 is flexible makes hydraulic pressure cylinder assembly
5 produce pressure differential, stretch out removable take-off lever 531 and be connected with nonspring carried mass assembly 1 in described hydraulic pressure cylinder assembly 5, described liquid
Cylinder pressure assembly 5 produces take-off lever 531 described in pressure official post and drives nonspring carried mass assembly 1 to move, and the damping of described elastic component 2 is right
Should change.
Design based on GMM rod 41, by controlling, GMM rod 41 is flexible makes hydraulic pressure cylinder assembly 5 produce pressure differential, and then controls
The lifting process of vehicle body processed.There is type of drive advantage simple, the most corresponding, it is possible to according to vehicle running surface situation, control
The lifting of vehicle body processed, reaches to promote vehicle ride performance and the effect of stability.Wherein, GMM(giant magnetostrictive material) be
A kind of magnetostriction materials with great magnetostriction coefficient, at normal temperatures due to the change of magnetized state, its length and
Volume can occur large change.It is big that this material has the highest heat resisting temperature, comprcssive strength and bearing capacity, magnetostriction
Can be strong.At room temperature, conversion ratio between mechanical energy and electric energy is high, energy density is big, fast response time, good reliability, driving
Mode is simple.Therefore GMM is applied in the suspension system of vehicle, it can make up existing vehicle suspension system structure complicated,
Cost of manufacture is high, makes suspension system light, easily controllable.
Also including that control unit, described GMM assembly 4 include driving coil 42 and GMM rod 41, described internal is provided with collecting
Room, chamber 81, it is indoor that described driving coil 42 is located at host cavity 81, and described GMM rod 41 is located in driving coil 42, described GMM rod
One end of 41 is fixed on body, and its other end stretches out driving coil 42 and baffle plate 6 to be fixed and be connected, and described control unit can change
Drive the size of current in coil 42, make the changes of magnetic field in driving coil 42, described GMM rod 41 be affected generation by changes of magnetic field
Telescopic variation.Described baffle plate 6 one end is hinged with body, and its other end is connected with block, and described GMM rod 41 is located in baffle plate 6
Portion.Described control unit controls contraction time and the stroke of GMM rod 41.Driving coil 42 is the magnetic coil of a kind of driving,
By changing the size of current driven in coil 42, making the changes of magnetic field in driving coil 42, described GMM rod 41 is by changes of magnetic field
Impact produces telescopic variation.There is conversion efficiency high, the consume of energy in work process can be reduced as far as possible.
In embodiment, described control unit include first displacement transducer 91 and GMM actuator drive module, described first
Displacement transducer 91 is located on nonspring carried mass assembly 1, is used for sensing vehicle body amplitude, the detection of described first displacement transducer 91
Signal sends the ECU to passenger vehicle, described ECU after A/D changes and sends control signals to GMM actuator driving module, described
GMM actuator drives module to change the size of current driving coil 42, makes GMM rod 41 telescopic variation.Wherein, ECU is for being located at visitor
" vehicle-mounted computer " on car, ECU includes the modules such as input interface, output interface, CPU, memorizer.Use the first displacement transducer
91 and GMM actuator drive the control unit of module, by the displacement of digital control GMM rod, reach to change actuator damping
The effect of size.There is continuously adjustable, respond quick advantage, substantially without hysteresis phenomenon.
Described telescopic section 411 is provided with second displacement sensor 92, for sensing the stroke of telescopic section 411, and described the
The signal detected is fed back to ECU by two displacement transducers 92.GMM rod 41 arranges second displacement sensor 92, by GMM rod
41 deformation quantities feed back to ECU, and are analyzed result judging whether to reach intended damping change.So, it is also possible to according to
Damping change result is judged, if make compensation, is further ensured that the accuracy of damping change.
Described GMM rod 41 includes telescopic section 411 and the section of stretching out 412, and one end of described telescopic section 411 is fixed on body,
Its other end connects the section of stretching out 412, described in the section of stretching out 412 stretch out driving coil 42 and baffle plate 6 and fix and be connected.Will telescopic section
411 are located in driving coil 42, make the impact of the magnetic field size that telescopic section 411 is the most only driven in coil 42, are conducive to
Ensure that the flexible response of telescopic section 411 is more accurate.The described section of stretching out 412 in cross, described in the section of stretching out 412 be provided with spring
Part 43, spring part 43, for applying a prestressing force to GMM rod 41, increases the stroke of GMM rod 41.
Described hydraulic pressure cylinder assembly 5 includes, left oil circuit 51, and its one end connects has left nozzle 511, described left nozzle 511 to be positioned at
The left side of baffle plate 6;
Right oil circuit 52, its one end connects has right nozzle 521, described right nozzle 521 to be positioned at the right side of baffle plate 6;Slide valve assembly
54, including the guiding valve chamber 541 of spool valve element 542 and hollow, what described spool valve element 542 can move left and right is located at guiding valve chamber 541
In.The left end of described guiding valve chamber 541 connects with left oil circuit 51, and its right-hand member connects with right oil circuit 52, in described guiding valve chamber 541
Portion is provided with middle oil duct and is connected with left nozzle 511, right nozzle 521, and being respectively arranged on the left side and the right side of described guiding valve chamber 541 is left fuel-displaced
Road 544, right oil road 543;Vibroshock 5, including vibration damping chamber, demarcation strip 532 and the take-off lever 531 of hollow, described demarcation strip
Vibration damping chamber is divided into left chamber 535 and right chamber 536 by 532.Described take-off lever 531 is connected with demarcation strip 532, and stretches out and subtract
The chamber that shakes is connected with nonspring carried mass assembly 1, and described left chamber 535 is connected by left oil input channel 533 with guiding valve chamber 541, institute
State right chamber 536 to be connected by right oil input channel 534 with guiding valve chamber 541;When described spool valve element 542 moves left and right, control oil warp
Crossing guiding valve chamber 541 enter left chamber 535 or enter right chamber 536, left chamber 535 and right chamber 536 form pressure differential, make
Take-off lever 531 moves left and right.
It is additionally provided with fuel tank 7, the oil return pipe being communicated with between described body and fuel tank 7, described left oil circuit 51, right oil circuit 52
Connecting with fuel tank 7 respectively, described left oil road 544, right oil road 543 connect with fuel tank 7 respectively, described left oil circuit 51 and fuel tank
It is provided with oil pump 71 between 7, between described right oil circuit 52 and fuel tank 7, is provided with oil pump 71.Described spool valve element 542 include left block, in
Block and right block, described three blocks are fixedly connected sequentially.
Duty: (1), when GMM rod 41 is in original state, described left oil circuit 51 is equal with the hydraulic pressure of right oil circuit 52,
Described middle block blocks middle oil duct, makes oil cannot be introduced in guiding valve chamber 541.Original state refers to: left oil circuit 51 and right oil circuit 52
Hydraulic pressure identical, valve body is in zero-bit.And now elastic component 2 Shi Hanzhang, GMM rod 41 is made at the initial current pre-entered
With the certain pre-overhang of lower generation.Now baffle plate 6 is in zero-bit, and two Jet control intracavity do not have pressure differential;(2) GMM rod is worked as
Baffle plate 6 is moved right and is pressed on right nozzle 521 by 41 elongations, and the hydraulic pressure of described right oil circuit 52 is more than the hydraulic pressure of left oil circuit 51,
Described spool valve element 542 moves to left and makes oil therefrom oil duct enter, and enters in right chamber 536 from right oil input channel 534, promotes take-off lever
531 move to left, and the oil in described left chamber 535 flows back to fuel tank 7 from left oil input channel 533, left oil road 544 successively;(3) GMM rod is worked as
Baffle plate 6 is moved to the left and is pressed on left nozzle 511 by 41 shortenings, and the hydraulic pressure of described right oil circuit 52 is less than the hydraulic pressure of left oil circuit 51,
Described spool valve element 542 moves to right and makes oil therefrom oil duct enter, and enters in left chamber 535 from left oil input channel 533, promotes take-off lever
531 move to right, and the oil in described right chamber 536 flows back to fuel tank 7 from right oil input channel 534, right oil road 543 successively.
Refer to Fig. 4, a kind of passenger vehicle includes vehicle body 300 and wheel 200, also includes the half of at least one above-mentioned passenger vehicle
Active suspension 100, the semi-active suspension 100 of described passenger vehicle is resiliently attached between vehicle body 300 and wheel 200.Described passenger vehicle
It is provided with ECU, described ECU to be connected with the semi-active suspension 100 of passenger vehicle, for controlling the semi-active suspension 100 of passenger vehicle
Work.Vehicle of the present utility model is by using the control of the semi-active suspension 100 and ECU of above-mentioned passenger vehicle, it is possible to root
Control the lifting of vehicle body 300 according to vehicle running surface situation, reach to promote vehicle ride performance and the effect of stability.Make car
In passenger can be more comfortable by bus, meet the comfortable demand by bus of present how many people.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. done, should be included in this utility model
Within the scope of protection.
Claims (10)
1. a semi-active suspension for passenger vehicle, including spring carried mass assembly, nonspring carried mass assembly and elastic component, described elasticity
Part is located between spring carried mass assembly and nonspring carried mass assembly, for the two being connected, it is characterised in that: also include scalable
Vibroshock, described adjustable vibration-damper is located on spring carried mass assembly, described adjustable vibration-damper include body, GMM assembly and
Hydraulic pressure cylinder assembly, described GMM assembly is located at internal, and described GMM assembly is provided with telescopic GMM rod, described GMM rod and hydraulic pressure
Being connected by baffle plate between cylinder component, described GMM rod is flexible makes hydraulic pressure cylinder assembly produce pressure differential, stretches in described hydraulic pressure cylinder assembly
Going out removable take-off lever to be connected with nonspring carried mass assembly, described hydraulic pressure cylinder assembly produces take-off lever described in pressure official post and drives non-
Spring carried mass assembly moves, and the damping correspondence of described elastic component changes.
The semi-active suspension of passenger vehicle the most according to claim 1, it is characterised in that: described hydraulic pressure cylinder assembly includes,
Left oil circuit, its one end connects has left nozzle, described left nozzle to be positioned at the left side of baffle plate;
Right oil circuit, its one end connects has right nozzle, described right nozzle to be positioned at the right side of baffle plate;
Slide valve assembly, including the guiding valve chamber of spool valve element and hollow, it is indoor that what described spool valve element can move left and right is located at piston chamber,
The left end of described guiding valve chamber and left oil communication, its right-hand member and right oil communication, be provided with middle oil duct in the middle part of described guiding valve chamber
Be connected with left nozzle, right nozzle, described guiding valve chamber be respectively arranged on the left side and the right side left oil road, right oil road;
Vibroshock, including vibration damping chamber, demarcation strip and the take-off lever of hollow, vibration damping chamber is divided into left chamber by described demarcation strip
With right chamber, described take-off lever is connected with demarcation strip, and stretches out vibration damping chamber and be connected with nonspring carried mass assembly, described left chamber
Being connected by left oil input channel with guiding valve chamber, described right chamber is connected by right oil input channel with guiding valve chamber;
When described spool valve element moves left and right, control oil and enter left chamber or enter right chamber through guiding valve chamber, left chamber with
Right chamber forms pressure differential, makes take-off lever move left and right.
The semi-active suspension of passenger vehicle the most according to claim 2, it is characterised in that: be additionally provided with fuel tank, described body with
The oil return pipe being communicated with between fuel tank, described left oil circuit, right oil circuit connect with fuel tank respectively, described left oil road, right fuel-displaced
Road connects with fuel tank respectively, is provided with oil pump, is provided with oil pump between described right oil circuit and fuel tank between described left oil circuit and fuel tank.
The semi-active suspension of passenger vehicle the most according to claim 2, it is characterised in that: described spool valve element include left block,
Middle block and right block, described three blocks are fixedly connected sequentially;When GMM rod is in original state, described left oil circuit is with right
The hydraulic pressure of oil circuit is equal, and described middle block blocks middle oil duct, makes oil cannot be introduced into piston chamber indoor;When GMM rod extends baffle plate
Move right and be pressed on right nozzle, the hydraulic pressure of described right oil circuit more than the hydraulic pressure of left oil circuit, described spool valve element move to left make oil from
Middle oil duct enters, and enters in right chamber from right oil input channel, promotes take-off lever to move to left, and the oil in described left chamber enters from a left side successively
Oil duct, left oil road flow back to fuel tank;It is pressed on left nozzle when GMM rod shortens to be moved to the left baffle plate, the liquid of described right oil circuit
Pressure is less than the hydraulic pressure of left oil circuit, and described spool valve element moves to right and makes oil therefrom oil duct enter, and enters in left chamber from left oil input channel, pushes away
Dynamic take-off lever moves to right, and the oil in described right chamber flows back to fuel tank from right oil input channel, right oil road successively.
The semi-active suspension of passenger vehicle the most according to claim 1, it is characterised in that: also include control unit, described GMM
Assembly includes driving coil and GMM rod, described the internal collecting chamber that is provided with, and it is indoor that described driving coil is located at host cavity, institute
Stating GMM rod and wear in the drive coil, one end of described GMM rod is fixed on body, and its other end stretches out driving coil and gear
Plate is fixing to be connected, and described control unit can change the size of current driven in coil, makes the changes of magnetic field in driving coil, described
GMM rod is affected generation telescopic variation by changes of magnetic field.
The semi-active suspension of passenger vehicle the most according to claim 5, it is characterised in that: described control unit includes first
Displacement sensor and GMM actuator drive module, and described first displacement transducer is located on nonspring carried mass assembly, is used for sensing car
Body amplitude, the detection signal of described first displacement transducer sends the ECU to passenger vehicle, described ECU after A/D changes and sends control
Signal processed drives module to GMM actuator, and described GMM actuator drives module to change the size of current driving coil, makes GMM rod
Telescopic variation.
The semi-active suspension of passenger vehicle the most according to claim 6, it is characterised in that: described telescopic section is provided with second
Displacement sensor, for sensing the stroke of telescopic section, the signal detected is fed back to ECU by described second displacement sensor.
The semi-active suspension of passenger vehicle the most according to claim 5, it is characterised in that: described GMM rod include telescopic section and
The section of stretching out, one end of described telescopic section is fixed on body, its other end connect the section of stretching out, described in the section of stretching out stretch out driving coil
Fixing with baffle plate be connected, described in the section of stretching out in cross, described in the section of stretching out be provided with elastic component.
The semi-active suspension of passenger vehicle the most according to claim 1, it is characterised in that: described baffle plate one end is cut with scissors with body
Connecing, its other end is connected with block, and described GMM rod is located at the middle part of baffle plate.
10. a passenger vehicle, including vehicle body and wheel, it is characterised in that: also include that at least one is such as any one of claim 1 to 9
The semi-active suspension of described passenger vehicle, the semi-active suspension of described passenger vehicle is resiliently attached between vehicle body and wheel, described
Passenger vehicle is provided with ECU, described ECU and is connected with the semi-active suspension of passenger vehicle, for controlling the work of the semi-active suspension of passenger vehicle
Make.
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CN201620527060.3U CN205668481U (en) | 2016-06-02 | 2016-06-02 | The semi-active suspension of a kind of passenger vehicle and passenger vehicle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105904926A (en) * | 2016-06-02 | 2016-08-31 | 厦门理工学院 | Semi-active suspension for passenger car and passenger car |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105904926A (en) * | 2016-06-02 | 2016-08-31 | 厦门理工学院 | Semi-active suspension for passenger car and passenger car |
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