CN207388788U - A kind of damp adjustable self energizing type active suspension actuator of electric - Google Patents
A kind of damp adjustable self energizing type active suspension actuator of electric Download PDFInfo
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- CN207388788U CN207388788U CN201721430452.9U CN201721430452U CN207388788U CN 207388788 U CN207388788 U CN 207388788U CN 201721430452 U CN201721430452 U CN 201721430452U CN 207388788 U CN207388788 U CN 207388788U
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Abstract
The utility model discloses a kind of damp adjustable self energizing type active suspension actuator of electric, its system includes actuator body and actuator control system, and actuator body includes work cylinder barrel, oil storage cylinder barrel, upper end cover, electromagnetic compression valve, recuperation valve, hollow type piston rod, DC brushless motor, piston, electromagnetism rebound valve and flowing valve；Actuator control system includes actuator controller and electrical energy storage circuit, the input of actuator controller is terminated with nonspring carried mass velocity sensor and spring carried mass velocity sensor, electrical energy storage circuit includes rectifier, the the first energy regenerative branch and energy regenerative being connected with rectifier adjust circuit and the second energy regenerative branch and the 3rd energy regenerative branch that circuit is connected are adjusted with the energy regenerative.Compact-sized, fast response time during active control of the utility model, control are accurate；More, energy transformation ratio height is produced electricl energy during energy regenerative；Highly practical, using effect is good, and prospect of the application is wide, convenient for promoting the use of.
Description
Technical field
The utility model belongs to vehicle damper technical field, and in particular to a kind of damp adjustable self energizing type is actively
Suspension actuator.
Background technology
Suspension system is the important component of automobile, it determines the ride comfort and control stability of vehicle.Current
Automotive suspension is broadly divided into passive suspension, semi-active suspension and Active suspension.Active suspension and passive suspension, semi-active suspension phase
Although than that can make vehicle that there is the shortcomings that better ride comfort and control stability, its highly energy-consuming could not obtain so far effectively
Ground is concocted, it is difficult to it popularizes, and also controllable suspension tends to take up very big installation space, and which greatly limits controllable outstanding
The application of frame.Such as a kind of Chinese patent " vehicle integrated inertia suspension " of Application No. 201310560418.3 is by suspension system
System is integrated, but can not realize the active control to vehicle, it is difficult to improve the ride comfort and control stability of vehicle.In another example Shen
It number please be realized pair for a Chinese patent " one kind can produce electricl energy, active control energy regenerative vibration absorber " of CN201520148667.6
The active control of suspension system and the recycling of vibrational energy but carrying out structure assembly to it, when installation, occupies very big sky
Between.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of damping
Adjustable self energizing type active suspension actuator of electric, compact-sized, fast response time during active control, control are accurate；Energy regenerative
When, produces electricl energy more, and energy transformation ratio is high；Highly practical, using effect is good, and prospect of the application is wide, convenient for promoting the use of.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of damp adjustable self energizing type
Active suspension actuator of electric, it is characterised in that：Including actuator body and actuator control system, the actuator body includes work
Make cylinder barrel, the oil storage cylinder barrel being sleeved on outside work cylinder barrel and the upper end cover being connected in oil storage cylinder barrel open top, institute
It states work cylinder barrel bottom and electromagnetic compression valve and recuperation valve is installed, hydraulic pressure is provided between the work cylinder barrel and oil storage cylinder barrel
Oil is provided with the hollow type piston rod being pierced by upwards outside end cover, the hollow type piston rod in the work cylinder barrel
Top be fixedly connected with motor mount, DC brushless motor, the hollow type piston are installed on the motor mount
The bottom of bar is connected with lower end cover, is fixedly connected with piston on the hollow type piston rod, and the piston is by work cylinder barrel
Inner cavity separate the piston upper chamber in order to be located at upper piston area and the piston cavity of resorption positioned at piston lower portion, the piston upper chamber and institute
It states intracavitary under piston and is both provided with hydraulic oil, electromagnetism rebound valve and flowing valve, the hollow type piston are installed on the piston
Be provided in bar be pierced by downwards behind lower end cover outside be pierced by successively again work cylinder barrel and oil storage cylinder barrel and with work cylinder barrel and
The sleeve that oil storage cylinder barrel is fixedly connected with is set with the ball-screw for stretching out cartridge exterior upwards, the ball in the sleeve
Ball-screw nut is connected on leading screw, the sleeve is fixedly connected on ball-screw nut bottom, the top of the ball-screw
Portion is by lengthening the axis connection of nut and DC brushless motor；Be provided between sleeve in the hollow type piston-rod lower end mouth and
For the lower guide holder being oriented to up and down motion of the hollow type piston rod along sleeve, the lower guide holder lower part is provided with set
Lower oil sealing on sleeve, the work cylinder barrel upper port is interior to be provided between hollow type piston rod and for living to hollow type
The upper guide holder that the up and down motion of stopper rod along work cylinder barrel is oriented to, the upper guide holder top, which is provided with, is sleeved on hollow type
Upper oil sealing on piston rod；Lifting lug is fixedly connected at the top of the motor mount, the bottom of the sleeve is fixedly connected
There is lower lifting lug；
The actuator control system include actuator controller and electrical energy storage circuit, the actuator controller it is defeated
Enter the nonspring carried mass velocity sensor that is terminated with being detected in real time to nonspring carried mass speed and for spring charge material
The spring carried mass velocity sensor that is detected in real time of amount speed, the electrical energy storage circuit include rectifier, and rectifier
The the first energy regenerative branch and energy regenerative of connection adjust circuit and adjusted with the energy regenerative the second energy regenerative branch for being connected of circuit and
3rd energy regenerative branch；The first energy regenerative branch includes sequentially connected first MOS switch triggering drive module and the first DC-DC
Boost module, the second energy regenerative branch include sequentially connected 3rd MOS switch triggering drive module, the first super capacitor and
Second MOS switch triggers drive module, and the 3rd energy regenerative branch includes sequentially connected 4th MOS switch triggering driving mould
Block, the second super capacitor, the 5th MOS switch triggering drive module, the 2nd DC-DC boost modules and accumulator, the energy regenerative tune
First energy regenerative of the road including parallel connection of economizing on electricity adjusts branch and the second energy regenerative adjusts branch, and first energy regenerative adjusts branch including going here and there
First relay of connection and resistance R1, second energy regenerative, which adjusts branch, includes the second relay of series connection and resistance R2；It is described
The output terminal of first DC-DC boost modules is connected with the first super capacitor, the output of the second MOS switch triggering drive module
End is connected with the 2nd DC-DC boost modules, and the output of the accumulator is terminated with the 6th MOS switch triggering drive module, described
The output of 6th MOS switch triggering drive module is terminated with the controllable constant current source circuit for powering for DC brushless motor, institute
State the first MOS switch triggering drive module, the 3rd MOS switch triggering drive module, the second MOS switch triggering drive module, the
Four MOS switches triggering drive module, the 5th MOS switch triggering drive module, the 6th MOS switch triggering drive module, the
One relay and the second relay are connected with the output terminal of actuator controller；The output of the rectifier is terminated with rectifier
Voltage sensor, the output of first super capacitor are terminated with the first super-capacitor voltage sensor, the second super electricity
The output of appearance is terminated with the second super-capacitor voltage sensor, and the rectifier voltage sensor, the first super-capacitor voltage pass
The output terminal of sensor and the second super-capacitor voltage sensor is connected with the input terminal of actuator controller；The actuator control
The output of device processed is terminated with driving the first driving circuit for electromagnetic valve of electromagnetic compression valve and for driving electromagnetism rebound valve
Second solenoid valve driving circuit, the electromagnetic compression valve are connected with the output terminal of the first driving circuit for electromagnetic valve, and the electromagnetism is stretched
Valve is opened to be connected with the output terminal of second solenoid valve driving circuit.
A kind of above-mentioned damp adjustable self energizing type active suspension actuator of electric, it is characterised in that：The motor mount
Bottom the dust cover for covering on oil storage cylinder barrel top is fixedly connected with by dust cover fixing bolt.
A kind of above-mentioned damp adjustable self energizing type active suspension actuator of electric, it is characterised in that：The lower part of the sleeve
For solid axle construction and it is provided with the first ladder shaft portion being fixedly connected with work cylinder barrel and for consolidating with oil storage cylinder barrel
Surely the second ladder shaft portion connected, the first ladder shaft portion and the second ladder shaft portion are both provided with external screw thread, described
The internal thread hole for being connected with the first multi-diameter shaft partial threads is provided at the bottom centre position of work cylinder barrel, it is described
It is provided with work cylinder barrel gasket seal between the lower face of first ladder shaft portion and the bottom interior wall of work cylinder barrel, described first
Ladder shaft portion is provided with positioned at work cylinder barrel bottom and the work cylinder barrel clamp nut for fastening work cylinder barrel；The oil storage
It is provided with the internal thread hole for being threadedly coupled with the second ladder shaft portion at the bottom centre position of cylinder barrel, described second
Oil storage cylinder barrel gasket seal, second ladder are provided between the lower face of ladder shaft portion and the bottom interior wall of oil storage cylinder barrel
Shaft portion is provided with positioned at oil storage cylinder barrel bottom and the work cylinder barrel clamp nut for fastening oil storage cylinder barrel.
A kind of above-mentioned damp adjustable self energizing type active suspension actuator of electric, it is characterised in that：The hollow type piston
The shaft shoulder for being positioned to piston is provided on the outer wall of bar, the lower face of the piston is stuck on the shaft shoulder, described
It is provided on hollow type piston rod positioned at top land and is used to fasten the piston clamp nut of piston.
A kind of above-mentioned damp adjustable self energizing type active suspension actuator of electric, it is characterised in that：The upper end cover
It is threaded at the top of oil storage cylinder barrel, the DC brushless motor is mounted on by motor fixing bolt on motor mount, institute
It states sleeve and ball-screw nut bottom is fixedly connected on by feed screw nut fixing bolt, the motor mount is pacified by motor
Dress seat fixing bolt is fixedly connected at the top of hollow type live pole plug；The upper lifting lug is welded on the top of motor mount, described
External screw thread is provided in the bottom outer wall of sleeve, internal thread, the lower lifting lug and sleeve spiral shell are set on the inner wall of the lower lifting lug
Line connects and lower lifting lug clamp nut is used to be fastened.
The utility model has the following advantages compared with prior art：
1st, the utility model is rationally integrated traditional suspension actuator and hydraulic damper using Parallel Design, makes suspension
System structure is compact, is greatly saved the installation space of suspension system.
2nd, the fast response time during active control of the utility model, control are accurate；Energy transfer efficiency during energy regenerative is high,
Produce electricl energy more, energy transformation ratio height.
3rd, the vibrational energy that the utility model can recycle suspension actuator under energy regenerative pattern is used for active control,
Under the conditions of meeting energy balance, suspension is made to realize suspension system to a certain extent while there is good damping property
Self energizing.
4th, the electromagnetic compression valve of the utility model and electromagnetism rebound valve can according to the different working modes of suspension system to
Suspension system provides different hydraulic damping power, and actuator is made to give full play to active controlling force and energy regenerative pattern in aggressive mode
When make up the deficiency of electromagnetic damping power.
5th, on the one hand the utility model realizes and small voltage energy is returned by designing unique electrical energy storage circuit
It receives, reduces " dead zone " scope of traditional actuator；The opposing party is by using the side alternately charged to two monomer super capacitors
Method reduces impact of the voltage to accumulator of acute variation, extends the service life of accumulator.
6th, when the utility model is used, when actuator controller breaks down, system is operated in Passive Mode, by right
The electromagnetic compression valve of variable damping damper and the control of electromagnetism rebound valve openings of sizes can realize the effect of traditional suspension, avoid
The situation that actuator damage vehicle can not travel.
7th, the utility model is highly practical, and using effect is good, and under energy optimal control strategy, suspension has good
While damping property, the self energizing of suspension system is realized to a certain extent, to improve the fuel economy of vehicle；Meet and work as
Before can realize better vibration damping but also the purpose of electric energy is consumed when generating enough energy regeneratives, prospect of the application is wide, convenient for promoting
It uses.
In conclusion the utility model is compact-sized, fast response time during active control, control is accurate；During energy regenerative
Produce electricl energy more, energy transformation ratio height；Highly practical, using effect is good, and prospect of the application is wide, convenient for promoting the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of the utility model damp adjustable self energizing type active suspension actuator of electric.
Fig. 2 is the circuit connecting relation schematic diagram of the utility model suspension system controller and other each several parts.
Reference sign:
1-lower lifting lug；2-lower lifting lug clamp nut；3-electromagnetic compression valve；
4-work cylinder barrel clamp nut；5-work cylinder barrel gasket seal；6-lower end cover；
7-lower oil sealing；8-lower guide holder；9-electromagnetism rebound valve；
10-upper guide holder；11-upper oil sealing；12-upper end cover；
13-motor fixing bolt；14-motor mount fixing bolt；15-motor mount；
16-DC brushless motor；17-upper lifting lug；18-DC brushless motor bus interface；
19-dust cover fixing bolt；20-dust cover；21-lengthening nut；
22-ball-screw nut；23-feed screw nut fixing bolt；24-ball-screw；
25-sleeve；26-hollow type piston rod；27-work cylinder barrel；
28-piston clamp nut；29-piston；30-oil storage cylinder barrel；
31-flowing valve；32-recuperation valve；33-oil storage cylinder barrel gasket seal；
34-work cylinder barrel clamp nut；35-rectifier；36-the first MOS switch triggers drive module；
37-the one DC-DC boost modules；38-the three MOS switch triggers drive module；
39-the first super capacitor；40-voltage sensor；41-the second MOS switch triggers drive module；
42-the two DC-DC boost modules；43-the six MOS switch triggers drive module；
44-accumulator；45-the five MOS switch triggers drive module；46-actuator controller；
47-the second super-capacitor voltage sensor；48-the second super capacitor；
49-the four MOS switch triggers drive module；50-spring carried mass velocity sensor；
51-nonspring carried mass velocity sensor；52-rectifier voltage sensor；
54-controllable constant current source circuit；55-the first driving circuit for electromagnetic valve；
56-second solenoid valve driving circuit；57-the first relay；58-the second relay.
Specific embodiment
The damp adjustable self energizing type active suspension actuator of electric of the utility model, including actuator body and actuator control
System processed, as shown in Figure 1, the actuator body includes work cylinder barrel 27, the oil storage cylinder barrel being sleeved on outside work cylinder barrel 27
30 and the upper end cover 12 that is connected in 30 open top of oil storage cylinder barrel, 27 bottom of work cylinder barrel is equipped with electromagnetic compression
Valve 3 and recuperation valve 32 are provided with hydraulic oil, are set in the work cylinder barrel 27 between the work cylinder barrel 27 and oil storage cylinder barrel 30
There is the hollow type piston rod 26 being pierced by upwards outside end cover 12, the top of the hollow type piston rod 26 is fixedly connected with
Motor mount 15 is equipped with DC brushless motor 16, the bottom of the hollow type piston rod 26 on the motor mount 15
Lower end cover 6 is connected with, is fixedly connected with piston 29 on the hollow type piston rod 26, the piston 29 is by work cylinder barrel 27
Inner cavity separate the piston upper chamber in order to be located at 29 top of piston and the piston cavity of resorption positioned at 29 lower part of piston, the piston upper chamber
Hydraulic oil is both provided with intracavitary under the piston, electromagnetism rebound valve 9 and flowing valve 31 are installed on the piston 29, in described
It is provided in empty formula piston rod 26 after being pierced by lower 6 outside of end cover downwards and is pierced by work cylinder barrel 27 and oil storage cylinder barrel 30 successively again
And the sleeve 25 being fixedly connected with work cylinder barrel 27 and oil storage cylinder barrel 30, it is set in the sleeve 25 and stretches out sleeve 25 upwards
External ball-screw 24 is connected with ball-screw nut 22 on the ball-screw 24, and the sleeve 25 is fixedly connected on rolling
22 bottom of screw nut, the top of the ball-screw 24 is by lengthening the axis connection of nut 21 and DC brushless motor 16；
It is provided in 26 lower port of hollow type piston rod and is used for hollow type piston rod 26 along sleeve 25 sleeve 25 between
Lower to move the lower guide holder 8 being oriented to, lower 8 lower part of guide holder is provided with the lower oil sealing 7 being sleeved on sleeve 25, described
It is provided in 27 upper port of work cylinder barrel and is used for hollow type piston rod 26 along work cylinder barrel 27 hollow type piston rod 26 between
The upper guide holder 10 that is oriented to of up and down motion, upper 10 top of guide holder, which is provided with, to be sleeved on hollow type piston rod 26
Upper oil sealing 11；The top of the motor mount 15 is fixedly connected with lifting lug 17, and the bottom of the sleeve 25 is fixedly connected
There is lower lifting lug 1；
As shown in Fig. 2, the actuator control system includes actuator controller 46 and electrical energy storage circuit, the start
The input of device controller 46 is terminated with the nonspring carried mass velocity sensor detected in real time to nonspring carried mass speed
51 and the spring carried mass velocity sensor 50 for being detected in real time to spring carried mass speed, the electrical energy storage circuit include
Rectifier 35, the first energy regenerative branch and energy regenerative being connected with rectifier 35 adjust circuit and adjust electricity with the energy regenerative
The the second energy regenerative branch and the 3rd energy regenerative branch of road connection；The first energy regenerative branch includes sequentially connected first MOS switch
36 and the first DC-DC boost modules 37 of drive module are triggered, the second energy regenerative branch includes sequentially connected 3rd MOS switch
Triggering drive module 38, the first super capacitor 39 and the second MOS switch triggering drive module 41, the 3rd energy regenerative branch includes
Sequentially connected 4th MOS switch triggering drive module 49, the second super capacitor 48, the 5th MOS switch triggering drive module 45,
2nd DC-DC boost modules 42 and accumulator 44, the energy regenerative, which adjusts circuit and includes the first energy regenerative in parallel, adjusts branch and the
Two energy regeneratives adjust branch, and first energy regenerative, which adjusts branch, includes the first relay 57 of series connection and resistance R1, second feedback
Branch, which can be adjusted, includes the second relay 58 of series connection and resistance R2；The output terminal of the first DC-DC boost modules 37 and
One super capacitor 39 connects, and the output terminal of the second MOS switch triggering drive module 41 connects with the 2nd DC-DC boost modules 42
It connects, the output of the accumulator 44 is terminated with the 6th MOS switch triggering drive module 43, the 6th MOS switch triggering driving
The output of module 43 is terminated with the controllable constant current source circuit 54 for powering for DC brushless motor 16, first MOS switch
Triggering drive module 36, the 3rd MOS switch triggering drive module 38, the second MOS switch triggering drive module 41, the 4th MOS are opened
Close triggering drive module 49, the 5th MOS switch triggering drive module 45, the 6th MOS switch triggering drive module 43, first
Output terminal of 57 and second relay 58 of relay with actuator controller 46 is connected；The output of the rectifier 35 is terminated with
Rectifier voltage sensor 52, the output of first super capacitor 39 are terminated with the first super-capacitor voltage sensor 40, institute
The output for stating the second super capacitor 48 is terminated with the second super-capacitor voltage sensor 47, the rectifier voltage sensor 52,
The output terminal of first super-capacitor voltage sensor 40 and the second super-capacitor voltage sensor 47 with actuator controller 46
Input terminal connection；The output of the actuator controller 46 is terminated with driving the first solenoid valve of electromagnetic compression valve 3 to drive
Dynamic circuit 55 and the second solenoid valve driving circuit 56 for driving electromagnetism rebound valve 9,3 and first electromagnetism of electromagnetic compression valve
The output terminal connection of valve-driving circuit 55, the electromagnetism rebound valve 9 are connected with the output terminal of second solenoid valve driving circuit 56.
In the present embodiment, connect as shown in Figure 1, the bottom of the motor mount 15 is fixed by dust cover fixing bolt 19
It is connected to the dust cover 20 for covering on 30 top of oil storage cylinder barrel.
In the present embodiment, as shown in Figure 1, the lower part of the sleeve 25 is used for for solid axle construction and being provided with and working cylinder
27 the first ladder shaft portions for being fixedly connected of cylinder and the second ladder shaft portion for being fixedly connected with oil storage cylinder barrel 30, described the
One ladder shaft portion and the second ladder shaft portion are both provided with external screw thread, are set at the bottom centre position of the work cylinder barrel 27
It is useful for the internal thread hole being connected with the first multi-diameter shaft partial threads, the lower face of the first ladder shaft portion and work
Work cylinder barrel gasket seal 5 is provided between the bottom interior wall of cylinder barrel 27, the first ladder shaft portion is provided with positioned at work
27 bottom of cylinder barrel and the work cylinder barrel clamp nut 4 for fastening work cylinder barrel 27；The bottom centre position of the oil storage cylinder barrel 30
The place of putting is provided with the internal thread hole for being threadedly coupled with the second ladder shaft portion, the lower end of the second ladder shaft portion
Oil storage cylinder barrel gasket seal 33 is provided between the bottom interior wall of face and oil storage cylinder barrel 30, the second ladder shaft portion is provided with
Work cylinder barrel clamp nut 34 positioned at 30 bottom of oil storage cylinder barrel and for fastening oil storage cylinder barrel 30.
In the present embodiment, as shown in Figure 1, being provided with to carry out piston 29 on the outer wall of the hollow type piston rod 26
The shaft shoulder of positioning, the lower face of the piston 29 are stuck on the shaft shoulder, are provided on the hollow type piston rod 26 positioned at work
29 top of plug and the piston clamp nut 28 for fastening piston 29.
In the present embodiment, as shown in Figure 1, the upper end cover 12 is threaded in 30 top of oil storage cylinder barrel, it is described straight
It flows brushless motor 16 to be mounted on motor mount 15 by motor fixing bolt 13, the sleeve 25 is fixed by feed screw nut
Bolt 23 is fixedly connected on 22 bottom of ball-screw nut, and the motor mount 15 is solid by motor mount fixing bolt 14
Surely it is connected to 26 top of hollow type live pole plug；The upper lifting lug 17 is welded on the top of motor mount 15, the sleeve 25
External screw thread is provided in bottom outer wall, internal thread, the lower lifting lug 1 and 25 screw thread of sleeve are set on the inner wall of the lower lifting lug 1
It connects and lower lifting lug clamp nut 2 is used to be fastened.When it is implemented, it is provided in the top inner wall of the oil storage cylinder barrel 30
Internal thread is provided with external screw thread on the outer wall of the upper end cover 12, and the upper end cover 12 is by being arranged on its outer wall
On external screw thread and being arranged in 30 top inner wall of oil storage cylinder barrel has internal thread to be threaded in the top of oil storage cylinder barrel 30.
When it is implemented, DC brushless motor bus interface 18 is arranged on the side of DC brushless motor 16.
When the utility model is used, when in passive energy regenerative pattern, actuator controller 46 controls the 6th MOS switch to touch
Hair drive module 43 is off, and vehicle is travelled when on uneven road surface, and upper lift ring 17 generates relatively straight with lower lift ring 1
Line moves, and the transmission of the ball screw assembly, formed via ball-screw 24 and ball-screw nut 22 acts on, by upper lift ring 17 with
Linear relative movement between lower lift ring 1 is changed into the rotary motion of the rotor of DC brushless motor 16, DC brushless motor
16 are used as generator operation specifically, and when upper lift ring 17 is moved upwardly or downwardly with lower lift ring 1, sleeve 25 is up or down
Movement drives ball-screw nut 22 to be moved upwardly or downwardly, and ball-screw nut 22 drives ball-screw 24 to rotate, ball wire
Thick stick 24 drives the axis rotation of DC brushless motor 16；DC brushless motor 16 is as generation sensing alternating current after generator operation
Stream, induced AC current first passes around rectifier 35 and carries out rectification as stable DC, when actuator controller 46 detects
To rectifier 35 output voltage be less than 2.7V when, actuator controller 46 control the first MOS switch triggering drive module 36 lead
It is logical, and the 3rd MOS switch triggering drive module 38 and the 4th MOS switch triggering drive module 49 is controlled to disconnect, rectifier 35 is defeated
The voltage gone out is temporarily stored within after the first DC-DC boost modules 37 boost to 2.7V in the first super capacitor 39；Work as actuator
When controller 46 detects that the output voltage of 35 rectifier 35 of rectifier is not less than 2.7V, actuator controller 46 detects the respectively
Whether the output voltage of one super capacitor 39 and the second super capacitor 48 reaches 2.7V, when the output voltage of the first super capacitor 39
When reaching 2.7V, the first super capacitor 39 is discharge condition, and the second super capacitor 48 is charged state, and actuator controller 46 is controlled
Make the first MOS switch triggering drive module 36, the 3rd MOS switch triggering drive module 38 and the 5th MOS switch triggering driving mould
Block 45 disconnects, and the second MOS switch triggering drive module 41 and the 4th MOS switch triggering drive module 49 is controlled to turn on, rectification
The output electric energy of device 35 is temporarily stored within after flowing through the 4th MOS switch triggering drive module 49 in the second super capacitor 48, and the
After the electric energy of one super capacitor 39 storage flows through the second MOS switch triggering drive module 41, then through the 2nd DC-DC boost modules 42
Boosting, charges to accumulator 44；When the output voltage of the second super capacitor 48 reaches 2.7V, the second super capacitor 48 is electric discharge
State, the first super capacitor 39 are charged state, and actuator controller 46 controls the first MOS switch triggering drive module 36, the
Two MOS switches triggering drive module 41, the 4th MOS switch triggering drive module 49 disconnect, the 3rd MOS switch triggering drive module
38 and the 5th MOS switch triggering drive module 45 turn on, the output electric energy of rectifier 35 flows through the 3rd MOS switch triggering driving mould
It is temporarily stored within after block 38 in first super capacitor 39, and the electric energy of the second super capacitor 48 storage flows through the 5th MOS switch and touches
It after sending out drive module 45, then boosts through the 2nd DC-DC boost modules 42, charges to accumulator 44；It thereby realizes to first
The alternating of 39 and second super capacitor 48 of super capacitor charges；
Under passive energy regenerative pattern, when suspension actuator is in compression movement state, actuator controller 46 passes through first
Driving circuit for electromagnetic valve 55 drives electromagnetic compression valve 3 to open osculum, meanwhile, 31 standard-sized sheet of flowing valve, the volume of the piston cavity of resorption
Reduce, a hydraulic oil part for intracavitary is flowed to through flowing valve 31 in the piston upper chamber under the piston, due on the piston
Chamber accounts for a part of volume by hollow type piston rod 26, and section hydraulic oil flows into oil storage cylinder barrel 30 through electromagnetic compression valve 3, although stream
The pretightning force of port valve 31 is small, but the opening of electromagnetic compression valve 3 is small, so suspension actuator can generate big hydraulic damping at this time；
For example, when it is implemented, hydraulic damping at this time is 1500Ns/m；When suspension actuator is in stretching exercise state, make
Dynamic device controller 46 drives electromagnetism rebound valve 9 to open osculum by second solenoid valve driving circuit 56, meanwhile, recuperation valve 32 is complete
It opens, the volume of the piston upper chamber reduces, and the hydraulic oil of the piston upper chamber flows to the piston cavity of resorption through electromagnetism rebound valve 9
Interior, due to there is the presence of hollow type piston rod 26 in the piston upper chamber, the piston cavity of resorption can form certain vacuum, at this time
The compensated valve 32 of section hydraulic oil of oil storage cylinder barrel 30 flows to the piston cavity of resorption, although the pretightning force of recuperation valve 32 is small, electricity
The opening of magnetic rebound valve 9 is small, so suspension actuator can generate big hydraulic damping at this time；For example, when it is implemented, at this time
Hydraulic damping is 1500Ns/m；
Under Active Control Mode, when suspension actuator is in compression movement state, actuator controller 46 passes through first
Driving circuit for electromagnetic valve 55 drives electromagnetic compression valve 3 to open maximum mouth, meanwhile, 31 standard-sized sheet of flowing valve, the appearance of the piston cavity of resorption
Product reduces, and a hydraulic oil part for intracavitary is flowed to through flowing valve 31 in the piston upper chamber under the piston, due to the piston
Epicoele accounts for a part of volume by hollow type piston rod 26, and section hydraulic oil flows into oil storage cylinder barrel 30 through electromagnetic compression valve 3, due to
3 standard-sized sheet of electromagnetic compression valve and 31 pretightning force of flowing valve is small, so suspension actuator only generates small hydraulic damping at this time；For example,
When it is implemented, hydraulic damping at this time is 700Ns/m；When suspension actuator is in stretching exercise state, actuator control
Device 46 processed drives electromagnetism rebound valve 9 to open maximum mouth by second solenoid valve driving circuit 56, meanwhile, 32 standard-sized sheet of recuperation valve, institute
The volume for stating piston upper chamber reduces, and the hydraulic oil of the piston upper chamber flows to intracavitary under the piston through electromagnetism rebound valve 9, due to
There is the presence of hollow type piston rod 26 in the piston upper chamber, the piston cavity of resorption can form certain vacuum, at this time oil storage cylinder
The compensated valve 32 of section hydraulic oil of cylinder 30 flows to the piston cavity of resorption, and due to 9 standard-sized sheet of electromagnetism rebound valve and recuperation valve 32 pre-tightens
Power is small, so suspension actuator only generates small hydraulic damping at this time；For example, when it is implemented, hydraulic damping at this time is
700N·s/m。
In conclusion on the one hand the utility model is realized by designing unique electrical energy storage circuit to small voltage
The recycling of energy reduces " dead zone " scope of traditional actuator；The opposing party replaces by using to two monomer super capacitors
The method of charging reduces impact of the voltage to accumulator of acute variation, extends the service life of accumulator；This practicality is new
The vibrational energy that type can recycle suspension actuator under energy regenerative pattern is used for active control, is meeting energy balance condition
Under, suspension is made to realize the self energizing of suspension system while there is good damping property to a certain extent.
The above is only the preferred embodiment of the utility model, not the utility model imposed any restrictions, every
Any simple modification, change and the equivalent structure made according to the utility model technical spirit to above example change, still
Belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a kind of damp adjustable self energizing type active suspension actuator of electric, it is characterised in that：Including actuator body and actuator
Control system, the actuator body include work cylinder barrel (27), are sleeved on the external oil storage cylinder barrel (30) of work cylinder barrel (27)
With the upper end cover (12) being connected in oil storage cylinder barrel (30) open top, work cylinder barrel (27) bottom is equipped with electromagnetism
Compression valve (3) and recuperation valve (32) are provided with hydraulic oil, the work between the work cylinder barrel (27) and oil storage cylinder barrel (30)
It is provided in cylinder barrel (27) and is pierced by the external hollow type piston rod (26) of end cover (12), the hollow type piston rod upwards
(26) motor mount (15) is fixedly connected at the top of, DC brushless motor is installed on the motor mount (15)
(16), the bottom of the hollow type piston rod (26) is connected with lower end cover (6), is fixed on the hollow type piston rod (26)
Piston (29) is connected with, the inner cavity of work cylinder barrel (27) is separated the piston for being located at piston (29) top by the piston (29)
Epicoele and the piston cavity of resorption positioned at piston (29) lower part, intracavitary is both provided with hydraulic oil under the piston upper chamber and the piston,
Electromagnetism rebound valve (9) and flowing valve (31) on the piston (29) are installed, set in the hollow type piston rod (26) oriented
Under be pierced by behind lower end cover (6) outside be pierced by successively again work cylinder barrel (27) and oil storage cylinder barrel (30) and with work cylinder barrel (27)
The sleeve (25) being fixedly connected with oil storage cylinder barrel (30), interior be set with of the sleeve (25) stretch out sleeve (25) outside upwards
Ball-screw (24) is connected with ball-screw nut (22) on the ball-screw (24), and the sleeve (25) is fixedly connected on
Ball-screw nut (22) bottom, the top of the ball-screw (24) is by lengthening nut (21) and DC brushless motor (16)
Axis connection；It is provided with and for hollow type piston rod between sleeve (25) in hollow type piston rod (26) lower port
(26) the lower guide holder (8) being oriented to along the up and down motion of sleeve (25), lower guide holder (8) lower part, which is provided with, to be sleeved on
Lower oil sealing (7) on sleeve (25), work cylinder barrel (27) upper port is interior to be provided with and uses between hollow type piston rod (26)
In the upper guide holder (10) being oriented to up and down motion of the hollow type piston rod (26) along work cylinder barrel (27), the upper guiding
Seat (10) top is provided with the upper oil sealing (11) being sleeved on hollow type piston rod (26)；The top of the motor mount (15)
Lifting lug (17) is fixedly connected with, the bottom of the sleeve (25) is fixedly connected with lower lifting lug (1)；
The actuator control system includes actuator controller (46) and electrical energy storage circuit, the actuator controller (46)
Input be terminated with the nonspring carried mass velocity sensor (51) detected in real time to nonspring carried mass speed and be used for
To the spring carried mass velocity sensor (50) that spring carried mass speed is detected in real time, the electrical energy storage circuit includes rectifier
(35), the first energy regenerative branch and energy regenerative being connected with rectifier (35) adjust circuit and adjust circuit with the energy regenerative
The the second energy regenerative branch and the 3rd energy regenerative branch of connection；The first energy regenerative branch is touched including sequentially connected first MOS switch
Hair drive module (36) and the first DC-DC boost modules (37), the second energy regenerative branch are opened including sequentially connected 3rd MOS
Close triggering drive module (38), the first super capacitor (39) and the second MOS switch triggering drive module (41), the 3rd energy regenerative
Branch includes sequentially connected 4th MOS switch triggering drive module (49), the second super capacitor (48), the 5th MOS switch and touches
Send out drive module (45), the 2nd DC-DC boost modules (42) and accumulator (44), the energy regenerative, which adjusts circuit, includes the of parallel connection
One energy regenerative adjusts branch and the second energy regenerative adjusts branch, and first energy regenerative, which adjusts branch, includes the first relay (57) of series connection
With resistance R1, second energy regenerative, which adjusts branch, includes the second relay (58) of series connection and resistance R2；The first DC-DC liters
The output terminal of die block (37) is connected with the first super capacitor (39), and second MOS switch triggers the defeated of drive module (41)
Outlet is connected with the 2nd DC-DC boost modules (42), and the output of the accumulator (44) is terminated with the triggering driving of the 6th MOS switch
Module (43), the output of the 6th MOS switch triggering drive module (43) are terminated with being used to supply for DC brushless motor (16)
The controllable constant current source circuit (54) of electricity, the first MOS switch triggering drive module (36), the 3rd MOS switch triggering driving mould
Block (38), the second MOS switch triggering drive module (41), the 4th MOS switch triggering drive module (49), the 5th MOS switch touch
Send out drive module (45), the 6th MOS switch triggering drive module (43), the first relay (57) and the second relay (58)
Output terminal with actuator controller (46) is connected；The output of the rectifier (35) is terminated with rectifier voltage sensor
(52), the output of first super capacitor (39) is terminated with the first super-capacitor voltage sensor (40), and described second is super
The output of capacitance (48) is terminated with the second super-capacitor voltage sensor (47), the rectifier voltage sensor (52), first
The output terminal of super-capacitor voltage sensor (40) and the second super-capacitor voltage sensor (47) is and actuator controller
(46) input terminal connection；The output of the actuator controller (46) is terminated with driving the first of electromagnetic compression valve (3)
Driving circuit for electromagnetic valve (55) and the second solenoid valve driving circuit (56) for driving electromagnetism rebound valve (9), the electromagnetism pressure
Contracting valve (3) is connected with the output terminal of the first driving circuit for electromagnetic valve (55), and the electromagnetism rebound valve (9) drives with second solenoid valve
The output terminal connection of circuit (56).
2. a kind of damp adjustable self energizing type active suspension actuator of electric described in accordance with the claim 1, it is characterised in that：It is described
The bottom of motor mount (15) is fixedly connected with by dust cover fixing bolt (19) covers on the anti-of oil storage cylinder barrel (30) top
Dust hood (20).
3. a kind of damp adjustable self energizing type active suspension actuator of electric described in accordance with the claim 1, it is characterised in that：It is described
Solid axle construction is in the lower part of sleeve (25) and is provided with the first ladder shaft portion for being fixedly connected with work cylinder barrel (27)
With the second ladder shaft portion for being fixedly connected with oil storage cylinder barrel (30), the first ladder shaft portion and the second ladder axle portion
Point be both provided with external screw thread, be provided at the bottom centre position of the work cylinder barrel (27) for the first ladder axle portion
Divide the internal thread hole being threadedly coupled, set between the lower face of the first ladder shaft portion and the bottom interior wall of work cylinder barrel (27)
Work cylinder barrel gasket seal (5) is equipped with, the first ladder shaft portion is provided with positioned at work cylinder barrel (27) bottom and for tight
Gu the work cylinder barrel clamp nut (4) of work cylinder barrel (27)；It is set at the bottom centre position of the oil storage cylinder barrel (30) useful
In the internal thread hole being threadedly coupled with the second ladder shaft portion, the lower face of the second ladder shaft portion and oil storage cylinder barrel
(30) oil storage cylinder barrel gasket seal (33) is provided between bottom interior wall, the second ladder shaft portion is provided with positioned at oil storage
Cylinder barrel (30) bottom and the work cylinder barrel clamp nut (34) for fastening oil storage cylinder barrel (30).
4. a kind of damp adjustable self energizing type active suspension actuator of electric described in accordance with the claim 1, it is characterised in that：It is described
The shaft shoulder for being positioned to piston (29), the lower end of the piston (29) are provided on the outer wall of hollow type piston rod (26)
Face is stuck on the shaft shoulder, is provided on the hollow type piston rod (26) at the top of piston (29) and for fastening piston
(29) piston clamp nut (28).
5. a kind of damp adjustable self energizing type active suspension actuator of electric described in accordance with the claim 1, it is characterised in that：It is described
Upper end cover (12) is threaded at the top of oil storage cylinder barrel (30), and the DC brushless motor (16) passes through motor fixing bolt
(13) it is mounted on motor mount (15), the sleeve (25) is fixedly connected on ball by feed screw nut fixing bolt (23)
Feed screw nut (22) bottom, the motor mount (15) are fixedly connected on hollow type by motor mount fixing bolt (14)
At the top of piston rod (26)；The upper lifting lug (17) is welded on the top of motor mount (15), outside the bottom of the sleeve (25)
External screw thread is provided on wall, internal thread, the lower lifting lug (1) and sleeve (25) screw thread are set on the inner wall of the lower lifting lug (1)
It connects and lower lifting lug clamp nut (2) is used to be fastened.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721430452.9U CN207388788U (en) | 2017-10-31 | 2017-10-31 | A kind of damp adjustable self energizing type active suspension actuator of electric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721430452.9U CN207388788U (en) | 2017-10-31 | 2017-10-31 | A kind of damp adjustable self energizing type active suspension actuator of electric |
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| CN207388788U true CN207388788U (en) | 2018-05-22 |
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| CN201721430452.9U Expired - Fee Related CN207388788U (en) | 2017-10-31 | 2017-10-31 | A kind of damp adjustable self energizing type active suspension actuator of electric |
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| CN (1) | CN207388788U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630969A (en) * | 2017-10-31 | 2018-01-26 | 西安科技大学 | The adjustable self energizing type active suspension actuator of electric of composite damping and its control method |
| CN109305010A (en) * | 2018-10-30 | 2019-02-05 | 西南交通大学 | A kind of permanent-magnetism electromagnetic coupling control feed energy suspension actuator |
| CN110715009A (en) * | 2019-09-30 | 2020-01-21 | 华中科技大学 | One-way damper piston pull rod assembly and one-way damper |
| CN110748595A (en) * | 2019-09-30 | 2020-02-04 | 达英科(南京)设备有限公司 | Automatic guiding telescopic mechanism and telescopic method |
| WO2020024471A1 (en) * | 2018-07-30 | 2020-02-06 | 江苏大学 | Hybrid electromagnetic suspension capable of realizing self-power supply, and control method therefor |
| CN111301088A (en) * | 2019-12-02 | 2020-06-19 | 西安科技大学 | Composite damping adjustable energy feedback type hybrid suspension actuator and control method |
| CN112406443A (en) * | 2020-11-07 | 2021-02-26 | 宁波燕清汽车技术有限公司 | Shock absorber, vehicle and method for improving vehicle running stability |
| CN112895833A (en) * | 2021-02-05 | 2021-06-04 | 奇瑞新能源汽车股份有限公司 | Suspension actuator and method for controlling suspension actuator |
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2017
- 2017-10-31 CN CN201721430452.9U patent/CN207388788U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630969A (en) * | 2017-10-31 | 2018-01-26 | 西安科技大学 | The adjustable self energizing type active suspension actuator of electric of composite damping and its control method |
| CN107630969B (en) * | 2017-10-31 | 2023-08-18 | 西安科技大学 | Composite damping adjustable self-energy-supply type active suspension actuator and control method thereof |
| WO2020024471A1 (en) * | 2018-07-30 | 2020-02-06 | 江苏大学 | Hybrid electromagnetic suspension capable of realizing self-power supply, and control method therefor |
| CN109305010A (en) * | 2018-10-30 | 2019-02-05 | 西南交通大学 | A kind of permanent-magnetism electromagnetic coupling control feed energy suspension actuator |
| CN110715009A (en) * | 2019-09-30 | 2020-01-21 | 华中科技大学 | One-way damper piston pull rod assembly and one-way damper |
| CN110748595A (en) * | 2019-09-30 | 2020-02-04 | 达英科(南京)设备有限公司 | Automatic guiding telescopic mechanism and telescopic method |
| CN110748595B (en) * | 2019-09-30 | 2021-12-31 | 达英科(南京)设备有限公司 | Automatic guiding telescopic mechanism and telescopic method |
| CN111301088A (en) * | 2019-12-02 | 2020-06-19 | 西安科技大学 | Composite damping adjustable energy feedback type hybrid suspension actuator and control method |
| CN112406443A (en) * | 2020-11-07 | 2021-02-26 | 宁波燕清汽车技术有限公司 | Shock absorber, vehicle and method for improving vehicle running stability |
| CN112895833A (en) * | 2021-02-05 | 2021-06-04 | 奇瑞新能源汽车股份有限公司 | Suspension actuator and method for controlling suspension actuator |
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Granted publication date: 20180522 Termination date: 20181031 |