CN107687493A - A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber - Google Patents
A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber Download PDFInfo
- Publication number
- CN107687493A CN107687493A CN201710165734.9A CN201710165734A CN107687493A CN 107687493 A CN107687493 A CN 107687493A CN 201710165734 A CN201710165734 A CN 201710165734A CN 107687493 A CN107687493 A CN 107687493A
- Authority
- CN
- China
- Prior art keywords
- damping
- shock absorber
- sharf
- casing
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber, shock absorber includes damping unit, energy feed system, sharf and control device, damping unit and energy feed system are arranged between automotive axle and automobile frame, and control device includes shock absorber control unit, rectifier, DC/DC voltage regulating modules, battery and wire；Shock absorber right end cap, shock absorber left end cap, long damping vane, short damping baffle, short damping vane, long damping baffle, damping casing, magnet exciting coil and sharf composition damping unit core；Induction coil, permanent magnet, magnet fixed mount, coil fixing support, sensing housing and magnetic conduction interlayer composition energy feed system core；The present invention directly utilizes energy feed system voltage change, perceives vehicle frame and the speed of related movement of vehicle bridge, avoids using additional sensor；Using magnetorheological fluid materials, under additional magnetic fields, damped coefficient continuously adjusts, and realizes suspension half actively, improves vehicle ride comfort.
Description
Technical field
The present invention relates to auto parts and components field, and in particular to a kind of pure electric automobile self-induction energy regenerative magnetic current flowing deformation vibration-damping
Device.
Background technology
Magnetic flow liquid be under strong magnetic field action moment (Millisecond) be changed into semisolid from the liquid of free-flowing, surrender
Intensity controlled, change reversible intellectual material；MR fluid shock absorber is that have the new of controllable characteristics based on magnetic flow liquid
Shock absorber；By being continuously adjusted to MR fluid shock absorber damped coefficient, the semi- active control of automotive suspension is realized, improves car
Ride performance.
The existing conventional damper applied on pure electric sedan, there is shock absorber damping in terms of damping property
The defects of can not being adjusted with real-time road；Moreover, violent, frequently relative motion is produced between vehicle frame and vehicle bridge, not only
The service life of suspension is reduced, and energy is dissipated in the form of used heat as caused by vibration, it is hurtful to suspension
Cause certain energy loss simultaneously；In addition, pure electric sedan institute carried charge is limited, course continuation mileage is affected.
Existing cartridge type MR fluid shock absorber is the volume differences of upper lower oil cavitie in dummy piston motion, takes addition oil storage cylinder
Or the measure such as compensation air bag；This measure is higher to MR fluid shock absorber sealing requirements, increases manufacture difficulty；Traditional magnetic current
Becoming fluid shock absorber needs additional sensor to obtain vehicle frame and the speed of related movement of vehicle bridge, increases cost taken by themselves；In addition, to improve car
The speed of related movement precision of frame and vehicle bridge, rational installation site is also provided for additional sensor, it is complicated.
The content of the invention
It is an object of the invention to provide a kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber, the present invention uses magnetic current
Become liquid technology, under additional magnetic fields, damped coefficient continuously adjusts, and improves vehicle ride comfort.
The used to achieve the above object technical scheme of the present invention is：A kind of pure electric automobile self-induction energy regenerative magnetic flow liquid
Shock absorber, shock absorber include damping unit, energy feed system, sharf and control device, damping unit and energy feed system installation
Between automotive axle and automobile frame, the control device include shock absorber control unit, rectifier, DC/DC voltage regulating modules,
Battery and wire；The damping unit includes the damping casing in cylindrical structure, and it is in cylindrical structure that the energy feed system, which includes,
Sensing housing, sharf along damping casing central axis and sensing housing central axial direction be located in damping casing and
Sense in housing, damping the both ends of casing, sealed set has shock absorber left end cap and shock absorber right end cap respectively, senses housing
One end is tightly connected with shock absorber right end cap, and sensing the other end sealed set of housing has sensing housing end plug, stretches out sensing shell
Be arranged with gear on the sharf of body end lid, gear and the rack external toothing being arranged on automobile frame are set, automotive axle with
Caused relative motion between automobile frame, rack drives are made to be fixed on the rotation of sharf gear；Wherein, positioned at damping unit
In sharf outer peripheral face be arranged with successively every on magnetic interlayer I and blade lasso, blade lasso along damping casing radial direction set
There are multiple damping vanes, the internal face for damping casing is circumferentially with the damping baffle of setting corresponding with each damping vane along it,
Each damping baffle is provided with magnet exciting coil, is damped blade in damping casing and damping baffle is divided into multiple damping chambers, respectively
Magnetic flow liquid is full of in damping chamber, damps and is added between the internal face of casing and damping baffle every magnetic interlayer II；Wherein, position
The outer peripheral face of sharf in energy feed system is sequentially provided with magnetic conduction interlayer and multiple permanent magnets, and each permanent magnet is by magnet fixed mount
It is fixed on the sharf in energy feed system, and even circumferential arrangement of each permanent magnet along sharf, permanent magnet and magnet
Added between fixed mount every magnetic interlayer III, adjacent two permanent magnet senses end face opposite polarity, and installation end face is joined by magnetic conduction interlayer
It is logical；The internal face of sensing housing is provided with coil fixing support, and coil fixing support is provided with the line of induction being correspondingly arranged with each permanent magnet
Circle, senses and is added between the internal face of housing and coil fixing support every magnetic interlayer IV；Wherein, the sense in energy feed system
The terminals of coil are answered to be connected through the input of wire and rectifier, output end, DC/DC voltage regulating modules and the battery of rectifier
Be sequentially connected in series, battery is connected through wire with the power input of shock absorber control unit, the output end of rectifier also with vibration damping
The current input terminal connection of device control unit；Letter of the magnet exciting coil through wire Yu shock absorber control unit in damping unit
The connection of number output end.
Wherein, damping vane is made up of two long damping vanes and two short damping vanes, wherein, two long damping vanes
It is symmetrical arranged relative to the trunnion axis face of damping casing, two short damping vanes are symmetrical arranged relative to long damping vane；Damping
Dividing plate is made up of two long damping baffles and two short damping baffles, and two long damping baffles are symmetrically set relative to long damping vane
Put, two short damping baffles are symmetrical arranged relative to short damping vane, make to be damped blade and damping baffle point in damping casing
It is divided into four damping chambers.
Further, magnet exciting coil, and two short dampings are equipped with two long damping baffles and two short damping baffles
The rotation direction of magnet exciting coil on dividing plate is identical, and the rotation direction of the magnet exciting coil on two long damping baffles is identical, long damping baffle and
Magnet exciting coil on short damping baffle it is oppositely oriented.
Further, long damping baffle installed in every the arc I outside magnetic interlayer II and along the radial direction of damping casing by setting
The boss I put outside arc I forms, short damping baffle by installed in every the arc II outside magnetic interlayer II and along damping casing
The boss II being radially arranged in outside arc II form, magnet exciting coil, and boss are equipped with the convex shoulder of boss I and boss II
End face on I close to long damping vane be intrados, and the end face of close short damping vane is intrados on boss II.
In the present invention, the number of the permanent magnet is four, and permanent magnet, along the circumferential uniform of sharf, each permanent magnet is equal
Formed by the arc III outside magnetic conduction interlayer and along the projection I being radially arranged in outside arc III of sensing housing；Institute
The coil fixing support stated along sensing housing installed in every the circular slab outside magnetic interlayer IV and four by being radially arranged in circular slab
Outer projection II is formed, and projection II is oppositely arranged with projection I respectively, and is equipped with induction coil on each projection II.
Further, the outer face of projection I is extrados, and the end face being oppositely arranged on projection II with projection I is and outer arc
The adaptable intrados of face shape, and there is gap between the intrados of the extrados of projection I and projection II.
The present invention utilizes caused relative motion between vehicle bridge and vehicle frame, rack drives is fixed on sharf gear and turns
Dynamic, sharf rotates, and drives permanent magnet, long damping vane and short damping vane on fixed sharf to rotate, and permanent magnet rotates,
So that being changed through the magnetic flux inside induction coil, induced electromotive force is produced, the terminals of induction coil two produce voltage,
Voltage change signal inputs the signal input part of shock absorber control unit, the current output terminal conveying control of shock absorber control unit
Electric current, electric current produce electromagnetic field, magnetic flow liquid mobility under electromagnetic field effect through wire transmission to magnet exciting coil, magnet exciting coil
Change, become by liquid and turn to solid-state or semisolid, compression damping chamber in long damping vane and short damping vane rotation process
Interior magnetic flow liquid, produces pressure differential at left and right sides of damping vane, magnetic flow liquid flow through between long damping vane and short damping baffle and
Damping hole between short damping vane and long damping baffle produces damping force, hinders damping vane to rotate.The present invention is using magnetorheological
Liquid technology, will not face need to install additional inside the shock absorber present in prior art air bag or oil storage cylinder with dummy piston above and below
The problem of fluid volume differences.
Permanent magnet, which rotates, to change through the magnetic flux inside induction coil, produces induced electromotive force, the line of induction
Enclose two terminals and produce voltage；Electric current flows into rectifier input by wire, is exported after rectified by rectifier output end, then
Through the backward battery charging of DC/DC voltage regulating modules boosting.It is of the invention that mechanical energy is directly converted into by electric energy using way of electromagnetic induction,
Transformation efficiency is improved, reduces the ratio of mechanical energy conversion heat energy.Mechanical energy is being converted into electricity by energy feed system of the present invention
While energy, also vehicle bridge and vehicle frame speed of related movement are provided for shock absorber control unit.Directly become using energy feed system voltage
Change, perceive vehicle frame and the speed of related movement of vehicle bridge, avoid using additional sensor.
Brief description of the drawings
Fig. 1 is the overall schematic of the present invention；
Fig. 2 is the schematic diagram of damping unit in the present invention；
Fig. 3 is along the sectional view of line A-A in Fig. 2；
Fig. 4 is the schematic diagram of energy feed system in the present invention；
Fig. 5 is along the sectional view of line B-B in Fig. 4；
Fig. 6 is the control principle drawing of the present invention；
Fig. 7 is the schematic diagram of long damping baffle in Fig. 3；
Fig. 8 is the schematic diagram of short damping baffle in Fig. 3；
Fig. 9 is the schematic diagram of permanent magnet in Fig. 5；
Figure 10 is the schematic diagram of Fig. 5 coil fixed mounts.
Reference：1st, damping unit, 2, energy feed system, 3, sharf, 4, damping casing, 40, shock absorber left end cap,
41st, shock absorber right end cap, 42, every magnetic interlayer I, 43, blade lasso, 44, damping chamber, 45, every magnetic interlayer II, 46, long damping
Blade, 47, short damping vane, 48, long damping baffle, 480, arc I, 481, boss I, 49, short damping baffle, 490, arc
Plate II, 491, boss II, 5, sensing housing, 50, sensing housing end plug, 51, magnetic conduction interlayer, 52, permanent magnet, 520, arc
III, 521, projection I, 53, magnet fixed mount, 54, every magnetic interlayer III, 55, coil fixing support, 550, circular slab, 551, projection II,
56th, induction coil, 57, every magnetic interlayer IV, 6, shock absorber control unit, 7, rectifier, 8, DC/DC voltage regulating modules, 9, battery,
10th, wire, 11, gear, 12, rack, 13, magnetic flow liquid, 14, magnet exciting coil.
Embodiment
With reference to specific embodiment, the invention will be further described, so that those skilled in the art can be more preferable
Understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber, as shown in figure 1, shock absorber includes damping unit 1, feedback
Energy device 2 and sharf 3, damping unit 1 and energy feed system 2 are arranged between automotive axle and automobile frame, and damping unit 1 wraps
Include the damping casing 4 in cylindrical structure, the energy feed system 2 includes the sensing housing 5 in cylindrical structure, and sharf 3 is along damping
The central axis of casing 4 and the central axial direction of sensing housing 5 are located in damping casing 4 and sensing housing 5, sharf 3,
Damping casing 4 and the central axis coincidence setting for sensing the three of housing 5, sealed set has vibration damping respectively at the both ends of damping casing 4
Device left end cap 40 and shock absorber right end cap 41, one end of sensing housing 5 are tightly connected with shock absorber right end cap 41, sense housing 5
Other end sealed set have sensing housing end plug 50, stretch out sensing housing end plug 50 sharf 3 on is arranged with gear 11, tooth
Wheel 11 is set with the external toothing of rack 12 being arranged on automobile frame, caused relative fortune between automotive axle and automobile frame
It is dynamic, the drive of rack 12 is fixed on the gear 11 of sharf 3 and rotate.
As shown in 2 and Fig. 3, the outer peripheral face of the sharf 3 in damping unit 1 is arranged with every the He of magnetic interlayer I 42 successively
Blade lasso 43, along the internal face edge for being radially provided with multiple damping vanes, damping casing 4 of damping casing 4 on blade lasso 43
It is circumferentially with the damping baffle of setting corresponding with each damping vane, and each damping baffle is provided with magnet exciting coil 14, damps case
Blade is damped in vivo and damping baffle is divided into multiple damping chambers 44, and each damp in chamber 44 is full of magnetic flow liquid 13, hindered
Added between the internal face and damping baffle of Buddhist nun's casing 4 every magnetic interlayer II 45.Wherein, damping vane is by two long damping vanes
46 and two short damping vane 47 form, wherein, two long damping vane 46 relative to damping casing 4 trunnion axis face symmetrically set
Put, two short damping vane 47 is symmetrical arranged relative to long damping vane 46；Damping baffle is by two long damping baffle 48 and two
Individual short damping baffle 49 is formed, and two long damping baffle 48 is symmetrical arranged relative to long damping vane 46, two short damping baffles
49 are symmetrical arranged relative to short damping vane 47, make to be damped blade in damping casing 4 and damping baffle is divided into four dampings
Chamber 44.As shown in figure 3, being sleeved on every magnetic interlayer I 42 on sharf 3, two short damping vane 46 is separately mounted to sharf 3
Twelve-hour, six-o ' clock position, two long damping vane 47 is separately mounted to the three of sharf 3, nine o'clock position.
Wherein, magnet exciting coil, and two short dampings are equipped with two long damping baffle 48 and two short damping baffle 49
The rotation direction of magnet exciting coil on dividing plate 49 is identical, and the rotation direction of the magnet exciting coil on two long damping baffle 48 is identical, long damping every
Oppositely oriented, long damping baffle 48, short damping vane 47, the long damping vane of plate 48 and the magnet exciting coil on short damping baffle 49
46 and short damping baffle 49 and magnet exciting coil form closed magnetic circuit.As shown in figure 3, it is arranged on damping casing 4 every magnetic interlayer II 45
Inwall, two short damping baffle 49 be separately mounted to damp casing 4 twelve-hour, six-o ' clock position, arc I 480 with every
Magnetic interlayer II 45 contacts；Two long damping baffle 48 is separately mounted to damp three, the nine o'clock position of casing 4, arc
II 490 contact with every magnetic interlayer II 45；Arc I 480 connects with the end face of arc II 490, forms and every magnetic interlayer II 45
The adaptable circular configuration of shape.
Wherein, as shown in fig. 7, long damping baffle 48 is by installed in every the arc I 480 outside magnetic interlayer II 45 and along damping
The boss I 481 being radially arranged in outside arc I 480 of casing 4 forms；As shown in figure 8, short damping baffle 49 by installed in every
Arc II 490 outside magnetic interlayer II 45 and II 491 groups of the boss being radially arranged in outside arc II 490 along damping casing 4
Into, magnet exciting coil is equipped with the convex shoulder of boss I 481 and boss II 491, and close to the end of long damping vane 46 on boss I 481
Face is intrados, and the end face on boss II 491 close to short damping vane 47 is intrados.
In orientation shown in Fig. 3, the magnet exciting coil being installed in figure on the short damping baffle on right side is named as No. 1 and encouraged
Magnetic coil, the outer face rotation direction counterclockwise of No. 1 magnet exciting coil；The excitation on the long damping baffle of figure middle and upper part will be installed on
Coil is named as No. 2 magnet exciting coils, the outer face dextrorotations of No. 2 magnet exciting coils to；It is short on the left of in figure by being installed on
Magnet exciting coil on damping baffle is named as No. 3 magnet exciting coils, the outer face rotation direction counterclockwise of No. 3 magnet exciting coils；It will be installed on
Magnet exciting coil on the long damping baffle of figure middle and lower part is named as No. 4 magnet exciting coils, the outer face up time of No. 4 magnet exciting coils
Pin rotation direction.No. 1 magnet exciting coil and No. 3 magnet exciting coil positive terminals are connected with wire, and the wire connects shock absorber control unit 6
Current output terminal positive pole；No. 1 magnet exciting coil and No. 3 magnet exciting coil negative terminals are connected with wire 212, and the wire connects shock absorber
The current output terminal negative pole of control unit 6；No. 2 magnet exciting coils and No. 4 magnet exciting coil positive terminals are connected with wire, and the wire connects
The current output terminal positive pole of shock absorber control unit 6；No. 2 magnet exciting coils and No. 4 magnet exciting coil negative terminals and wire, this is led
Line connects the current output terminal negative pole of shock absorber control unit 6.
As shown in Figure 4 and Figure 5, the outer peripheral face of the sharf 3 in energy feed system 2 is sequentially provided with magnetic conduction interlayer 51 and more
Individual permanent magnet 52, each permanent magnet 52 is fixed on the sharf 3 in energy feed system 5 by magnet fixed mount 53, and each permanent magnetism
Even circumferential arrangement of the iron 52 along sharf 3, is added between permanent magnet 52 and magnet fixed mount 53 every magnetic interlayer III 54, adjacent
Two permanent magnets 52 sense end face opposite polarity, and the installation end face of permanent magnet 52 is by the UNICOM of magnetic conduction interlayer 51；Sense the inwall of housing 5
Face is provided with coil fixing support 55, and coil fixing support 55 is provided with the induction coil 56 being correspondingly arranged with each permanent magnet 52, senses shell
Added between the internal face and coil fixing support 55 of body 5 every magnetic interlayer IV 57.Wherein, the right side of shock absorber right end cap 41 and sense
Answer and also add magnetic isolation plate between the left side of housing 5.
Magnetic conduction interlayer 51 is sleeved on sharf 3, and in orientation shown in Fig. 5, the permanent magnet positive pole positioned at figure middle and upper part is outside
Positioned at the twelve-hour position of sharf 3, negative pole contacts with magnetic conduction interlayer 51；The permanent magnet negative pole on right side is outwardly located in figure
3 three of sharf position, positive pole contacts with magnetic conduction interlayer 51；Permanent magnet positive pole positioned at figure middle and lower part is outwardly located at sharf
3 six-o ' clock positions, negative pole contact with magnetic conduction interlayer 51；The permanent magnet negative pole in left side is outwardly located at 3 nine points of sharf in figure
Clock position, positive pole contact with magnetic conduction interlayer 51.Permanent magnet 52 is fixed on sharf 3 by magnet fixed mount 53.
The number of permanent magnet 52 is four, and four permanent magnets 52 are uniform along the circumference of sharf 3, as shown in figure 9, respectively forever
Magnet 52 is radially arranged in arc III 520 by the arc III 520 outside magnetic conduction interlayer 51 and along sensing housing 5
Outer projection I 521 forms；As shown in Figure 10, coil fixing support 55 is by installed in every the circular slab 550 and four outside magnetic interlayer IV 57
The individual projection II 551 that is radially arranged in outside circular slab 550 along sensing housing 5 forms, projection II 551 respectively with the phase of projection I 521
To setting, and induction coil 56 is equipped with each projection II 551, the outer face of projection I 521 be extrados, on projection II 551 and
The end face that projection I 521 is oppositely arranged is the intrados being adapted with extrados shape, and the extrados of projection I 521 and projection II
There is gap between 551 intrados.Energy feed system is shock absorber control unit 6 while mechanical energy is converted into electric energy
Vehicle frame and vehicle bridge relative motion signal are provided；Adjacent two permanent magnet, magnetic conduction interlayer, adjacent two induction coil and coil fixing support group
Into flux circuit.
The control device of shock absorber is as shown in fig. 6, control device includes shock absorber control unit 6, rectifier 7, DC/DC tune
Die block 8, battery 9 and some wires 10, the terminals of the induction coil in energy feed system 2 are through wire and rectifier 7
Input connection, output end, DC/DC voltage regulating modules 8 and the battery 9 of rectifier 7 be sequentially connected in series, battery 9 through wire with
The power input connection of shock absorber control unit 6, the output end of rectifier 7 also input with the electric current of shock absorber control unit 6
End connection；Magnet exciting coil in damping unit 1 is connected through wire with the signal output part of shock absorber control unit 6.
The shock absorber body of the present invention is arranged in vehicle bridge, and rack 12 is arranged on vehicle frame, and body passes through tooth with rack 12
The engagement of wheel 11.The present invention relates to pure electric sedan self-induction energy regenerative MR fluid shock absorber by damping unit 1, energy feed system 2
Formed with control device；Long damping vane 46, short damping baffle 49, short damping vane 47, long damping baffle 48, damping casing 4,
Magnet exciting coil 14 and sharf 3 form the core of damping unit 1；Induction coil 56, permanent magnet 52, magnet fixed mount 53, line
Enclose fixed mount 55, sensing housing 5 and magnetic conduction interlayer 51 and form the core of energy feed system 2；The core of control device is shock absorber
Control unit 6；Energy feed system voltage change is directly utilized, perceives vehicle frame and the speed of related movement of vehicle bridge, is avoided using additional
Sensor；Using magnetic rheological fluid intelligent material, under additional magnetic fields, damped coefficient continuously adjusts, and realizes suspension half actively,
Improve vehicle ride comfort；Using energy feed system, vibration mechanical energy is converted into electric energy.
The course of work and principle of the present invention are：
Damp casing 4 and sensing housing 5 is arranged in vehicle bridge, rack 12 is arranged on vehicle frame, and wheel is driven into recessed by smooth-riding surface
Hole, produces relative motion between vehicle bridge and vehicle frame, rack 12 drives the gear 11 being fixed on sharf 3 to rotate clockwise；Leaf
Bobbin 3 rotates, and drive is fixed on permanent magnet 52 on sharf 3, long damping vane 46 and short damping vane 47 and rotated clockwise；Forever
Magnet 52 rotates clockwise so that is changed through the magnetic flux inside induction coil 56, produces induced electromotive force, the line of induction
56 liang of terminals of circle produce voltage；The signal input part of voltage change signal input shock absorber control unit 6, shock absorber control unit
6 judge the speed of related movement between vehicle bridge and vehicle frame according to speed-voltage setting program, and backward shock absorber is calculated through control algolithm
The current output terminal of control unit 6 conveys control electric current；Electric current produces electromagnetism through wire transmission to magnet exciting coil 14, magnet exciting coil 14
, flow through the magnetic flow liquid of the long damping baffle 48 and short damping baffle 49 end face mobility under electromagnetic field effect and change,
Become by liquid and turn to solid-state or semisolid；Long damping vane 46 and short damping vane 47 are driven by sharf 3 and rotated clockwise, and are pressed
Magnetic flow liquid in contracting damping chamber 44, the damping vane left and right sides produce pressure differential, and magnetic flow liquid flows through long damping vane 46
Damping hole between short damping baffle 49 and between short damping vane 47 and long damping baffle 48 produces damping force, hinders damping vane
Rotate clockwise.
Permanent magnet 52 is rotated clockwise so that changed through the magnetic flux inside induction coil 56, produces induction electric
Gesture, 56 liang of terminals of induction coil produce voltage；Electric current by wire flow into the input of rectifier 7, it is rectified after by rectifier 7
Output end exports, then is charged through the backward battery 9 that boosts of DC/DC voltage regulating modules 8.
Wheel drives into boss by smooth-riding surface, and relative motion is produced between vehicle bridge and vehicle frame, and rack 12 drives and is fixed on leaf
Gear 11 on bobbin 3 rotates counterclockwise；Sharf 3 rotates, and drives the permanent magnet 52 being fixed on sharf 3, long damping leaf
Piece 46 and short damping vane 47 rotate counterclockwise；Permanent magnet 52 rotates counterclockwise so that the magnetic flux through inside induction coil 56
Amount changes, and produces induced electromotive force, and 56 liang of terminals of induction coil produce voltage；Voltage change signal inputs shock absorber control
The signal input part of unit 6 processed, shock absorber control unit 6 judge relative between vehicle bridge and vehicle frame according to speed-voltage setting program
Movement velocity, calculate the backward current output terminal of shock absorber control unit 6 through control algolithm and convey control electric current；Electric current passes through wire
Defeated to arrive magnet exciting coil 14, magnet exciting coil 14 produces electromagnetic field, flows through the magnetic current of long damping baffle 48 and short damping baffle 49 end face
Become liquid mobility under electromagnetic field effect to change, become by liquid and turn to solid-state or semisolid；Long damping vane 46 and short resistance
Buddhist nun's blade 47 is driven by sharf 3 and rotated counterclockwise, compression damping intracavitary magnetic flow liquid, and pressure is produced at left and right sides of damping vane
Difference, magnetic flow liquid flows through between long damping vane 46 and short damping baffle 49 and the resistance between short damping vane 47 and long damping baffle 48
Buddhist nun hole produces damping force, hinders damping vane to rotate counterclockwise.
Claims (6)
- A kind of 1. pure electric automobile self-induction energy regenerative MR fluid shock absorber, it is characterised in that：Shock absorber includes damping unit, energy regenerative Device, sharf and control device, damping unit and energy feed system are arranged between automotive axle and automobile frame, the control Device processed includes shock absorber control unit, rectifier, DC/DC voltage regulating modules, battery and wire；The damping unit includes the damping casing in cylindrical structure, and the energy feed system includes the sensing shell in cylindrical structure Body, the central axial direction of central axis and sensing housing of the sharf along damping casing are located in damping casing and sensing housing In, damping the both ends of casing, sealed set has shock absorber left end cap and shock absorber right end cap respectively, senses one end of housing with subtracting The device right end cap that shakes is tightly connected, and sensing the other end sealed set of housing has sensing housing end plug, stretches out sensing housing end plug Gear is arranged with sharf, gear and the rack external toothing being arranged on automobile frame are set, automotive axle and automobile frame Between caused relative motion, make rack drives be fixed on sharf gear rotation；The outer peripheral face of sharf in damping unit is arranged with every edge on magnetic interlayer I and blade lasso, blade lasso successively Damping casing is radially provided with multiple damping vanes, damp casing internal face be circumferentially with along it is corresponding with each damping vane The damping baffle of setting, each damping baffle are provided with magnet exciting coil, are damped blade in damping casing and damping baffle is divided into Multiple damping chambers, each damp in chamber are full of magnetic flow liquid, damp added between the internal face of casing and damping baffle every Magnetic interlayer II；The outer peripheral face of sharf in energy feed system is sequentially provided with magnetic conduction interlayer and multiple permanent magnets, and each permanent magnet is by magnet Fixed mount is fixed on the sharf in energy feed system, and even circumferential arrangement of each permanent magnet along sharf, permanent magnet Added between magnet fixed mount every magnetic interlayer III, adjacent two permanent magnet senses end face opposite polarity, and installation end face is by magnetic conduction Interlayer UNICOM；The internal face of sensing housing is provided with coil fixing support, and coil fixing support is provided with what is be correspondingly arranged with each permanent magnet Induction coil, sense and added between the internal face of housing and coil fixing support every magnetic interlayer IV；The terminals of induction coil in energy feed system connect through the input of wire and rectifier, the output of rectifier End, DC/DC voltage regulating modules and battery are sequentially connected in series, and power input of the battery through wire and shock absorber control unit connects Connect, the current input terminal of the output end of rectifier also with shock absorber control unit is connected；Magnet exciting coil in damping unit It is connected through wire with the signal output part of shock absorber control unit.
- A kind of 2. pure electric automobile self-induction energy regenerative MR fluid shock absorber according to claim 1, it is characterised in that：Damping Blade is made up of two long damping vanes and two short damping vanes, wherein, two long damping vanes are relative to damping casing Trunnion axis face is symmetrical arranged, and two short damping vanes are symmetrical arranged relative to long damping vane；Damping baffle is by two long dampings Dividing plate and two short damping baffle composition, two long damping baffles are symmetrical arranged relative to long damping vane, two short damping every Plate is symmetrical arranged relative to short damping vane, makes to be damped blade in damping casing and damping baffle is divided into four damping cavities Room.
- A kind of 3. pure electric automobile self-induction energy regenerative MR fluid shock absorber according to claim 2, it is characterised in that：Two Magnet exciting coil, and the rotation direction of the magnet exciting coil on two short damping baffles are equipped with long damping baffle and two short damping baffles Identical, the rotation direction of the magnet exciting coil on two long damping baffles is identical, the magnet exciting coil on long damping baffle and short damping baffle It is oppositely oriented.
- A kind of 4. pure electric automobile self-induction energy regenerative MR fluid shock absorber according to claim 2, it is characterised in that：Long resistance Buddhist nun's dividing plate is by installed in every the arc I outside magnetic interlayer II and I group of the boss being radially arranged in outside arc I along damping casing Into short damping baffle is by installed in every the arc II outside magnetic interlayer II and being radially arranged in outside arc II along damping casing Boss II form, be equipped with magnet exciting coil on the convex shoulder of boss I and boss II, and close to the end of long damping vane on boss I Face is intrados, and the end face on boss II close to short damping vane is intrados.
- A kind of 5. pure electric automobile self-induction energy regenerative MR fluid shock absorber according to claim 1, it is characterised in that：It is described The number of permanent magnet is four, and permanent magnet, along the circumferential uniform of sharf, each permanent magnet is by outside magnetic conduction interlayer Arc III and along sensing housing the projection I being radially arranged in outside arc III form；Described coil fixing support is by installing Formed every the circular slab outside magnetic interlayer IV and four projections II being radially arranged in outside circular slab along sensing housing, projection II It is oppositely arranged respectively with projection I, and induction coil is equipped with each projection II.
- A kind of 6. pure electric automobile self-induction energy regenerative MR fluid shock absorber according to claim 5, it is characterised in that：Projection I outer face is extrados, and the end face being oppositely arranged on projection II with projection I is the intrados adaptable with extrados shape, And there is gap between the extrados of projection I and the intrados of projection II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165734.9A CN107687493B (en) | 2017-03-20 | 2017-03-20 | A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165734.9A CN107687493B (en) | 2017-03-20 | 2017-03-20 | A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107687493A true CN107687493A (en) | 2018-02-13 |
| CN107687493B CN107687493B (en) | 2019-07-16 |
Family
ID=61152350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710165734.9A Expired - Fee Related CN107687493B (en) | 2017-03-20 | 2017-03-20 | A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107687493B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206547A (en) * | 2020-10-21 | 2021-01-12 | 张昆 | Scraper falling film evaporator for material concentration |
| CN112517380A (en) * | 2020-11-17 | 2021-03-19 | 湖州数越智能科技有限公司 | Electrically controlled type graded screening device for wood leftover materials |
| CN114909426A (en) * | 2022-05-12 | 2022-08-16 | 中山大学 | Multi-coil magnetorheological fluid damper |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550982A (en) * | 2009-04-30 | 2009-10-07 | 重庆大学 | A self-supplied magnetic current damper |
| US20090302516A1 (en) * | 2008-06-05 | 2009-12-10 | Lockheed Martin Corporation | System, method and apparatus for control surface with dynamic compensation |
| JP2010023528A (en) * | 2008-07-15 | 2010-02-04 | Honda Motor Co Ltd | Variable rigidity type stabilizer device |
| US20110127706A1 (en) * | 2008-07-16 | 2011-06-02 | The University Of Sheffield | Dampers for mountain bikes |
| CN102661350A (en) * | 2012-05-03 | 2012-09-12 | 杨和利 | Energy-feeding and vibration-reducing system |
| WO2014203542A1 (en) * | 2013-06-21 | 2014-12-24 | 株式会社レック制御 | Electric power generation device and shock absorber which generates electric power |
| CN205714619U (en) * | 2016-04-12 | 2016-11-23 | 高洪江 | Automobile shock absorber generation device |
| CN106369101A (en) * | 2016-09-14 | 2017-02-01 | 合肥工业大学 | Energy feedback type magnetorheological fluid energy absorber |
| CN106382438A (en) * | 2016-10-08 | 2017-02-08 | 深圳职业技术学院 | Energy-self-supplying type multi-dimensional semi-active vibration isolation platform |
-
2017
- 2017-03-20 CN CN201710165734.9A patent/CN107687493B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090302516A1 (en) * | 2008-06-05 | 2009-12-10 | Lockheed Martin Corporation | System, method and apparatus for control surface with dynamic compensation |
| JP2010023528A (en) * | 2008-07-15 | 2010-02-04 | Honda Motor Co Ltd | Variable rigidity type stabilizer device |
| US20110127706A1 (en) * | 2008-07-16 | 2011-06-02 | The University Of Sheffield | Dampers for mountain bikes |
| CN101550982A (en) * | 2009-04-30 | 2009-10-07 | 重庆大学 | A self-supplied magnetic current damper |
| CN102661350A (en) * | 2012-05-03 | 2012-09-12 | 杨和利 | Energy-feeding and vibration-reducing system |
| WO2014203542A1 (en) * | 2013-06-21 | 2014-12-24 | 株式会社レック制御 | Electric power generation device and shock absorber which generates electric power |
| CN205714619U (en) * | 2016-04-12 | 2016-11-23 | 高洪江 | Automobile shock absorber generation device |
| CN106369101A (en) * | 2016-09-14 | 2017-02-01 | 合肥工业大学 | Energy feedback type magnetorheological fluid energy absorber |
| CN106382438A (en) * | 2016-10-08 | 2017-02-08 | 深圳职业技术学院 | Energy-self-supplying type multi-dimensional semi-active vibration isolation platform |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206547A (en) * | 2020-10-21 | 2021-01-12 | 张昆 | Scraper falling film evaporator for material concentration |
| CN112517380A (en) * | 2020-11-17 | 2021-03-19 | 湖州数越智能科技有限公司 | Electrically controlled type graded screening device for wood leftover materials |
| CN114909426A (en) * | 2022-05-12 | 2022-08-16 | 中山大学 | Multi-coil magnetorheological fluid damper |
| CN114909426B (en) * | 2022-05-12 | 2023-10-27 | 中山大学 | Multi-coil magnetorheological fluid damper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107687493B (en) | 2019-07-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103016589A (en) | Electromagnetic type energy feedback shock absorber based on Halbach permanent magnet array | |
| CN103032503B (en) | Semi-active suspension energy feedback device of hybrid electric vehicle | |
| CN203082102U (en) | Electromagnetic type energy feedback shock absorber based on Halbach permanent magnet array | |
| CN107687493B (en) | A kind of pure electric automobile self-induction energy regenerative MR fluid shock absorber | |
| CN107559372B (en) | Bypass type energy-regenerative vehicle semi-active suspension actuator and control method thereof | |
| CN103925324B (en) | The dual-tube shock absorber device of a kind of straight line motor and damped series | |
| US20070175716A1 (en) | Shock absorber generator | |
| CN106394157B (en) | A kind of control method for coordinating of electromagnetic suspension vibration isolation and energy regenerative | |
| CN102889332A (en) | Magnetorheological damper for automotive suspension | |
| CN109795279A (en) | Multi-mode mixes suspension actuator and its control method | |
| CN104930112A (en) | Self-energized damping-adjustable shock-absorbing device | |
| CN104723818A (en) | Linear motor shock absorber used for automobile in-wheel active suspension | |
| CN109808437B (en) | Electromagnetic integrated energy feedback type suspension actuator of electric automobile and control method thereof | |
| CN204623115U (en) | A kind of novel intelligent damping electric wheel | |
| CN110504790A (en) | A kind of high power density axial magnetic flux hub motor of short axial structure | |
| CN108933486A (en) | Variable flux bridge for rotor | |
| CN104553782B (en) | Linear motor type shock absorber in a kind of driving wheel | |
| CN112968558B (en) | Magnetic suspension hub motor | |
| CN203784182U (en) | Double-barrel shake absorber device with linear motor and damper which are connected in series | |
| CN204641379U (en) | Wheel hub electric motor of electric vehicle Two-wheeled system | |
| CN210898808U (en) | High-power-density axial flux hub motor with short axial structure | |
| CN2640115Y (en) | Direct drive mixed reluctance electric machine | |
| CN103660914A (en) | Electric wheel | |
| CN110454500A (en) | Magnetic suspension hub bearing and its magnetic force control method | |
| CN105490603A (en) | Electromagnetic vibration control method for wheel hub side of electric car driven by wheel hub motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20200320 |