CN208411863U - Giant magnetostrictive material power sense feedback device - Google Patents
Giant magnetostrictive material power sense feedback device Download PDFInfo
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- CN208411863U CN208411863U CN201820641779.9U CN201820641779U CN208411863U CN 208411863 U CN208411863 U CN 208411863U CN 201820641779 U CN201820641779 U CN 201820641779U CN 208411863 U CN208411863 U CN 208411863U
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- giant magnetostrictive
- power sense
- magnetostrictive rod
- assembly
- frictional disk
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Abstract
The utility model discloses a kind of giant magnetostrictive material power sense feedback device, giant magnetostrictive material power sense feedback device, including power sense simulation system, power sense control system, power sense generation system, elastic force simulation system and power supply system.Power sense generation system is mounted on the bracket of left and right by two identical giant magnetostrictive rod assemblies by upper and lower opposite direction in the present apparatus, two be fixed on the extension stem assembly pivoting friction effects between friction plate and frictional disk are converted by the effect of the telescopic length of giant magnetostrictive rod, symmetrical configuration and compact.Linear spring force, controllable friction power action center be overlapped with steering wheel axis, ensure that the stability of moment loading.
Description
Technical field
The utility model belongs to automobile electrically-controlled and intelligent field, is related to a kind of giant magnetostrictive material power sense feedback dress
It sets.
Background technique
Conventional truck actual road test is at high cost, the time is long, site condition is limited and accident easily occurs for limiting condition
The disadvantages of, it is current main trend using Vehicle driving simulator substitution conventional truck actual road test.Mature driving mould
Quasi- system can more be truly reflected out state of motion of vehicle, road conditions, ambient enviroment and various body-sensings, power sense, greatly
Ground reduces vehicle road test fund cost, time cost and human cost.Wherein accurate steering wheel sense feedback be must
Indispensable, can be largely fixed driver make corresponding behaviour according to given route or driving intention
Make, it is most important to the operation decision of driver.The main deceleration mechanism group with torque motor of traditional power sense feedback device
At, but there is control irregularity in it, delay and jitter is big, mechanical connecting device is complicated and be easy to appear that motor is stuck etc. to be lacked
Point.
Giant magnetostrictive material (Giant Magnetostrictive Materials, abbreviation GMM) has great
The magnetostriction materials of magnetostriction coefficient, at normal temperature due to the change of magnetized state, length and volume can occur larger
Variation.Magnetostriction positive-effect occurs in no mechanical constraint for GMM rod, is exported with shifted version, when there is mechanical constraint, with position
It moves and the form of power exports.The magnetostriction positive-effect utilized can make driving device, realize conversion of the magnetic energy to mechanical energy, and
And this characteristic is influenced very little by extraneous other factors (such as temperature).The magnetostrictive effect of giant magnetostrictive material, be it
Engineering provides broad application prospect in practice, has been applied to the magnetostriction force sensor of numerous areas, bio-mechanical passes
Sensor and power collector etc..
Utility model content
To achieve the above object, the utility model provides a kind of giant magnetostrictive material power sense feedback device, solves existing
Have present in technology that control irregularity, delay and jitter is big, mechanical connecting device is complicated and it is stuck to be easy to appear motor
Problem.
The utility model is the technical scheme adopted is that giant magnetostrictive material power sense feedback device, including bracket, bracket
It is equipped with sliding slot, sliding slot is equipped with sliding block, is successively arranged steering stem bearing support, corner and torque sensor, wind spring on bracket
Assembly and frictional disk bearing spider, steering wheel and steering column rigid connection, steering column is fixedly attached to by steering stem bearing to be turned
To on column bearing spider, steering column is rigidly connected by one end of shaft coupling and corner and torque sensor, and corner and torque pass
The other end of sensor is connect by shaft coupling with frictional disk, and the shaft end of frictional disk is fixedly connected on frictional disk by frictional disk bearing
The opposite giant magnetostrictive rod assembly of two placement directions, two ultra-magnetic telescopics are symmetrically arranged on bearing spider, in frictional disk
The stick assembly end fixed by snap for being connected to bracket, a giant magnetostrictive rod assembly pass through screw by the through-hole on bottom cover
It is fixedly connected on bracket, another giant magnetostrictive rod assembly is fixedly connected on bracket by screw by adjusting the through-hole covered
On, the outer cylinder in giant magnetostrictive rod assembly is fixedly connected with composition giant magnetostrictive rod with adjustment lid and bottom lid respectively by screw
The shell of assembly, the fixed cylinder in giant magnetostrictive rod assembly are fixedly connected with upper mounted plate and bottom plate respectively by screw
Fixed cylinder assembly is constituted, is successively arranged disk spring, connector and fixed cylinder assembly, dish in the shell of giant magnetostrictive rod assembly
Flat spring is contacted with the protrusion in the middle part of the inner wall and connector of adjustment lid, in fixed cylinder assembly upper mounted plate and bottom plate it
Between be successively arranged upper conduction magnetic board, sleeve and lower magnetic conductive board, sleeve and be placed in coil rack, sleeve outer peripheral surface and coil rack are hollow
Inner wall is in contact, and magnet exciting coil is wound in coil rack, is equipped with cylinder magnetic yoke, cylinder magnetic yoke outer peripheral surface and fixed cylinder in fixed cylinder
Inner peripheral surface is in contact, and cylinder magnetic yoke inner peripheral surface is in contact with magnet exciting coil, and giant magnetostrictive rod is placed in sleeve inner, and super mangneto is stretched
Contracting stick one end is equipped with upper guide pad, and the other end is equipped with lower guide pad, and the center of upper mounted plate, upper conduction magnetic board and lower magnetic conductive board is all provided with
There is through-hole, through-hole is located on same axis, and connector is connected through upper mounted plate and upper conduction magnetic board and with upper guide pad, even
The overhanging end of fitting and bottom cover is equipped with through-hole and, the shaft end of friction plate side and one symmetrical above and below about giant magnetostrictive rod assembly
The connector overhanging end through-hole of a giant magnetostrictive rod assembly is connected, and the shaft end of the friction plate other side is stretched with another super mangneto
The bottom cover overhanging end through-hole of contracting stick assembly is connected, and the shaft end of frictional disk passes through wind spring assembly, the shaft end fluting and volume of frictional disk
Spring assembly is fixedly connected, and the axis of frictional disk is connect by key with shaft coupling；The frictional disk shaft end of hollow cylindrical is equipped with slot, arch
The two sides bending place of the friction plate of shape is equipped with the shaft end of protrusion, corner and torque sensor by signal wire respectively with power sense
Controller is connected with ultra-magnetic telescopic stick controller, power sense controller by signal wire successively with ultra-magnetic telescopic stick controller,
Current feedback circuit, magnet exciting coil connection.
Further, the steering stem bearing support, corner and torque sensor, wind spring assembly and frictional disk bearing spider
It is connected by screw with sliding block equipped with through-hole.
Further, the wind spring assembly is made of the first wind spring and the second wind spring, the first wind spring and the second wind spring according to
Different rotation directions are fixedly connected in the outer cylinder of wind spring assembly.
Further, the upper guide pad, lower guide pad, giant magnetostrictive rod and connector are located on same axis.
Further, power supply by supply lines respectively with power sense controller, corner and torque sensor, giant magnetostrictive rod
Controller, current feedback circuit are connected.
Further, the adjustment lid is connect by screw with outer cylinder, and the length that screw screws in can be adjusted.
The utility model has the beneficial effects that compared with prior art, the utility model divides the power sense feedback of steering wheel
Solution feeds back (wind spring assembly provides) and damping torque feedback (frictional disk and friction plate rubbing action provide), the two for aligning torque
Collective effect provides continuous controllable steering wheel feedback torque for steering wheel.Power sense generation system is identical by two in the present apparatus
Giant magnetostrictive rod assembly be mounted on the bracket of left and right by upper and lower opposite direction, the telescopic length of giant magnetostrictive rod is acted on
It is converted into two be fixed on the extension stem assembly pivoting friction effects between friction plate and frictional disk, symmetrical configuration and tight
It gathers.Linear spring force, controllable friction power action center be overlapped with steering wheel axis, ensure that the stability of moment loading.Together
When, friction will not generate thermal deformation for a long time for frictional disk and two friction plates, improve the service life of device, do not have in the present apparatus
There is the presence of motor in traditional power sense feedback device, reduces shake and delay, improve the response time.The utility model lies in that
It does not need to provide power sense feedback with motor, then provides resistance with giant magnetostrictive rod come simulated elastic-force by wind spring assembly
Power, power sense needed for collective effect provides.The size control of power sense by magnet exciting coil control giant magnetostrictive rod flexible completing,
The delay and jitter of the direct-connected scheme of traditional torque motor is eliminated, not only can guarantee torque accurate feedback, but also torque motor can be overcome
A series of deficiencies.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is giant magnetostrictive material power sense feedback device axonometric drawing；
Fig. 2 is giant magnetostrictive material power sense feedback device top view；
Fig. 3 is giant magnetostrictive material power sense feedback device rearview；
Fig. 4 is giant magnetostrictive material power sense feedback device cross-sectional view；
Fig. 5 is giant magnetostrictive material power sense feedback device giant magnetostrictive rod assembly cross-sectional view；
Fig. 6 is giant magnetostrictive material power sense feedback device control flow and signal transmission figure；
Fig. 7 is giant magnetostrictive material power sense feedback device wind spring assembly axonometric drawing；
Fig. 8 is giant magnetostrictive material power sense feedback device frictional disk axonometric drawing；
Fig. 9 is giant magnetostrictive material power sense feedback device bracket axonometric drawing；
Figure 10 is giant magnetostrictive material power sense feedback device giant magnetostrictive rod assembly axonometric drawing；
Figure 11 is giant magnetostrictive material power sense feedback device friction plate axonometric drawing；
Figure 12 is giant magnetostrictive material power sense feedback device sliding block figure.
In figure, 1. steering wheels, 2. steering stem bearing supports, 3. shaft couplings, 4. corners and torque sensor, 5. wind springs are total
At, 6. frictional disks, 7. brackets, 8. frictional disk bearing spiders, 9. giant magnetostrictive rod assemblies, 10. friction plates, 11. steering columns,
12. steering stem bearing, 13. first wind springs, 14. second wind springs, 15. frictional disk bearings, 16. connectors, 17. adjustment lids, 18. dish
Flat spring, 19. upper mounted plates, 20. outer cylinders, 21. upper conduction magnetic boards, 22. fixed cylinders, 23. magnet exciting coils, 24. giant magnetostrictive rods,
25. bottom plate, 26. bottom covers, 27. lower guide pads, 28. lower magnetic conductive boards, 29. cylinder magnetic yokes, 30. coil racks, 31. sleeves,
32. guide pad on, 33. power sense controllers, 34. ultra-magnetic telescopic stick controllers, 35. current feedback circuits, 36. power supplys, 37. is sliding
Block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Giant magnetostrictive material power sense feedback device, as shown in Figs. 1-5, including power sense simulation system, power sense control system,
Power sense generation system, elastic force simulation system and power supply system；
Giant magnetostrictive material power sense feedback device includes bracket 7, and bracket 7 is equipped with sliding slot, and sliding slot is equipped with sliding block 37,
Steering stem bearing support 2, corner and torque sensor 4, wind spring assembly 5 and frictional disk bearing spider 8 are successively arranged on bracket 7；
Steering stem bearing support 2, corner and torque sensor 4, wind spring assembly 5 and frictional disk bearing spider 8 are equipped with through-hole and pass through screw
It is connected with sliding block 37；
Power sense simulation system: according to the angular signal of steering wheel 1, for generating size and the side of theory orientation disk power sense
To；Including steering wheel 1, steering column 11, steering stem bearing 12, steering stem bearing support 2, shaft coupling 3, corner and torque sensor
4, power sense controller 33；It is successively arranged steering stem bearing support 2 and corner and torque sensor 4 on bracket 7, steering wheel 1 and turns
It is rigidly connected to column 11, steering column 11 is fixedly attached on steering stem bearing support 2 by steering stem bearing 12, and steering column 11 is logical
The one end for crossing shaft coupling 3 and corner and torque sensor 4 is rigidly connected, and corner and torque sensor 4 pass through signal wire and power sense
Controller 33 connects；
Power sense control system: corresponding control signal is generated for controlling stretching for giant magnetostrictive rod 24 according to theoretical power sense
It is long；Including ultra-magnetic telescopic stick controller 34, current feedback circuit 35 and magnet exciting coil 23；Corner and torque sensor 4 pass through letter
Dtc signal and angular signal are passed to ultra-magnetic telescopic stick controller 34 and power sense controller 33 respectively by number line, such as Fig. 6 institute
Show, power sense controller 33 is successively connected with ultra-magnetic telescopic stick controller 34, current feedback circuit 35, magnet exciting coil 23 by signal wire
It connects；
Power sense generation system: for the 1 power sense of receiving direction disk control signal and according to wind spring resilient force and super magnetic
24 telescopic action of extension stem is caused to generate actual forces；Including shaft coupling 3, wind spring assembly 5, frictional disk 6, frictional disk bearing 15, friction
Disk bearing spider 8, giant magnetostrictive rod assembly 9, friction plate 10, as illustrated in figures 7-11, giant magnetostrictive rod assembly 9 include adjustment
Lid 17, connector 16, outer cylinder 20, upper mounted plate 19, upper conduction magnetic board 21, upper guide pad 32, fixed cylinder 22, surpasses disk spring 18
Magnetostrictive rod 24, sleeve 31, lower guide pad 27, coil rack 30, cylinder magnetic yoke 29, lower magnetic conductive board 28, bottom plate 25, bottom
Lid 26；Wind spring assembly 5, frictional disk bearing spider 8 are successively arranged on bracket 7, the shaft end of frictional disk 6 is solid by frictional disk bearing 15
Surely it is connected on frictional disk bearing spider 8；The opposite giant magnetostrictive rod assembly of two placement directions is symmetrically arranged in frictional disk 6
9, two giant magnetostrictive rod assemblies 9 end fixed by snap for being connected to bracket 7, a giant magnetostrictive rod assembly 9 by
Through-hole on bottom cover 26 is fixedly connected on bracket 7 by screw, another giant magnetostrictive rod assembly 9 is by adjustment lid 17
Through-hole is fixedly connected on bracket 7 by screw, and the outer cylinder 20 in giant magnetostrictive rod assembly 9 is covered with adjustment respectively by screw
17 are fixedly connected with the shell for constituting giant magnetostrictive rod assembly 9 with bottom cover 26, and the fixed cylinder 22 in giant magnetostrictive rod assembly 9 is logical
It crosses screw and is fixedly connected with composition fixed cylinder assembly with upper mounted plate 19 and bottom plate 25 respectively, giant magnetostrictive rod assembly 9
Disk spring 18, connector 16 and fixed cylinder assembly, the inner wall and company of disk spring 18 and adjustment lid 17 are successively arranged in shell
The protrusion at 16 middle part of fitting contacts, and is successively arranged upper conduction magnetic board between upper mounted plate 19 and bottom plate 25 in fixed cylinder assembly
21, sleeve 31 and lower magnetic conductive board 28, sleeve 31 are placed in coil rack 30,31 outer peripheral surface of sleeve and 30 hollow wall of coil rack
Be in contact, magnet exciting coil 23 is wound in coil rack 30, be equipped with cylinder magnetic yoke 29 in fixed cylinder 22,29 outer peripheral surface of cylinder magnetic yoke with
22 inner peripheral surface of fixed cylinder is in contact, and 29 inner peripheral surface of cylinder magnetic yoke is in contact with magnet exciting coil 23, and giant magnetostrictive rod 24 is placed in set
Cylinder 31 inside, 24 one end of giant magnetostrictive rod be equipped with upper guide pad 32, the other end be equipped with lower guide pad 27, upper mounted plate 19, on
The center of magnetic conductive board 21 and lower magnetic conductive board 28 is equipped with through-hole, and through-hole is located on same axis, and connector 16 is through upper fixation
Plate 19 and upper conduction magnetic board 21 are simultaneously connected with upper guide pad 32, and the overhanging end of connector 16 and bottom cover 26 is equipped with through-hole and about super
Magnetostrictive rod assembly 9 is symmetrical above and below, outside the shaft end of 10 side of friction plate and the connector 16 of a giant magnetostrictive rod assembly 9
It stretches end through-hole to be connected, the shaft end of 10 other side of friction plate and 26 overhanging end of bottom cover of another giant magnetostrictive rod assembly 9 are logical
Hole is connected, and the shaft end of frictional disk 6 passes through wind spring assembly 5, and the shaft end fluting of frictional disk 6 is fixedly connected with wind spring assembly 5, rubs
The axis of disk 6 is connect by key with shaft coupling 3；
Elastic force simulation system: for that will be combined to provide elastic force by the wind spring of two different rotation directions, so that
The effect of all flexible power when being rotated to different directions of steering wheel 1；Including wind spring assembly 5, wind spring assembly 5 is by 13 He of the first wind spring
Second wind spring 14 composition, the first wind spring 13 and the second wind spring 14 are fixedly connected on the outer cylinder of wind spring assembly 5 according to different rotation directions
On；
Power supply system: for providing electric energy for device；Power supply 36 by supply lines respectively with power sense controller 33, corner and
Torque sensor 4, ultra-magnetic telescopic stick controller 34, current feedback circuit 35 are connected.
Frictional disk 6 is connected with wind spring assembly 5, provides the moment of resistance for two 10 collective effects of friction plate；Pair of frictional disk 6
Claim being symmetrically installed for structure and giant magnetostrictive rod assembly 9, guarantee two circular ring shape friction plates 10 are formed up and down central axis with
6 center overlapping of axles of frictional disk, the end effect when giant magnetostrictive rod 24 has telescopic, directly by pushing friction plate 10
It on frictional disk 6, is acted on by the contact squeeze between frictional disk 6 and friction plate 10, completes the feedback of power sense；A figure is in Fig. 8
6 outside schematic diagram of frictional disk, b figure are the schematic internal views of frictional disk 6；
6 shaft end of frictional disk of hollow cylindrical is equipped with slot, and the two sides bending place of the friction plate 10 of arcuate in shape is equipped with convex
The shaft end risen, convenient for being installed with other parts.
Wind spring assembly 5 is connected firmly on the sliding block 37 on bracket 7 by boss thereon with screw, is guaranteed to upper friction
Disk 6 provides elastic force；
The center of upper mounted plate 19, upper conduction magnetic board 21 and lower magnetic conductive board 28 is equipped with through-hole, and through-hole is located on same axis,
Respectively in order to by upper guide pad 32 and lower guide pad 27, to complete the guiding role of giant magnetostrictive rod 24, upper guide pad 32,
Lower guide pad 27, giant magnetostrictive rod 24 and connector 16 are located on same axis；
Adjustment lid 17 is connect by screw with outer cylinder 20, adjusts disk spring 18 to super magnetic by screwing in the length of screw
Cause the precompression of extension stem 24；
Ultra-magnetic telescopic stick controller 34: control is run according to the size of theory power sense caused by power sense controller 33 and is calculated
Method, exciting current numerical value needed for decision goes out magnet exciting coil 23 generate it corresponding to act on giant magnetostrictive rod 24
Elongation provides resistance, while ultra-magnetic telescopic stick controller 34 also receives the signal of corner and torque sensor 4 for real
When adjust the size of 23 electric current of magnet exciting coil, it is ensured that the torque size of driver and the number of theoretical power sense are passed on steering column 11
It is worth identical.
Figure 12 a is the axonometric drawing of sliding block 37, and Figure 12 b is the top view of sliding block 37, and Figure 12 c is the cross-sectional view of sliding block 37, sliding
Block 37 is located in the sliding slot of bracket 7, and part is connected in the threaded hole on sliding block 37 by screw by the through-hole in each part, complete
At the fixation between part and bracket 7, as shown in Figure 2.Sliding block 37 can be slided on bracket 7 by sliding slot, to realize direction
Disk 1 stretches.
Steering wheel sense feedback is mainly fed back two parts by aligning torque feedback and damping torque and is formed, wherein due to
Aligning torque is related with 1 place angular position of steering wheel, and damping torque is related with 1 rotation direction of steering wheel, so this is practical new
Type simulates aligning torque by wind spring assembly 5, simulates damping torque by the moment of friction between frictional disk 6 and friction plate 10.
Since aligning torque is a torque related with tire inclination angle, by the conversion of turning rate, be converted into
The related function of 1 corner of steering wheel, damping torque are also a function related with 1 corner of steering wheel, therefore, theoretical total feedback
Torque can be considered function relevant to 1 corner of steering wheel.
The application method application giant magnetostrictive material power sense feedback device of giant magnetostrictive material power sense feedback device, tool
Body follows the steps below:
Step 1: steering wheel rotation 1 in driving, wind spring assembly 5 provides elastic force and simulates aligning torque, corner and torque
The size of the corner of 4 detection direction disk 1 of sensor and direction, aligning torque is by caster and displacement and is grounded EDS maps
Infinitesimal lateral reaction causes, MA=QDsin β sin δ, MY=FYE, wherein MASteering for road surface caused by Kingpin inclination to wheel
Torque, Q are steering tire load, and D is caster displacement, and β is caster, and δ is tire corner, MYCause for reverse caster
Torque, FYFor tire cornering power, e is that tire drags square；Damping torque is caused by steering system and ground friction, MD=Bs·θ+
Qfsign (θ), wherein BsFor the damped coefficient of steering shaft in steering system, θ is 1 corner of steering wheel, and f is ground friction
Coefficient, sign (θ) indicate moment of friction direction and 1 rotation direction of steering wheel on the contrary, therefore, total feedback moment of theory orientation disk
It may be expressed as: TAlways=F (θ)=(MA+MY)/i+(MD-Bs·θ)/i+Bsθ, wherein i is the transmission ratio of steering system；By TSpring=
F (θ)=(MA+MY)/i obtains the elastic force that wind spring assembly 5 provides, the damping torque T provided needed for frictional disk 6Disk=2 μ0FR, wherein F is the pressure provided by giant magnetostrictive rod 24 between friction plate 10 and frictional disk 6, and R is the interior of frictional disk 6
Cylinder radius, μ0For the coefficient of friction between friction plate 10 and frictional disk 6；By damping torque TDiskPass to power sense controller 33, power
Sense controller 33 is according to theoretical total feedback moment TAlways=TDisk+TSpring, obtain the size of theory orientation disk torque and direction and transmit
To ultra-magnetic telescopic stick controller 34；
Step 2: equal in magnitude according to F in step 1 and power provided by giant magnetostrictive rod 24, direction is identical, super magnetic
Cause the internal stress of extension stem 24Wherein, ArFor the corresponding area of section of giant magnetostrictive rod 24；Giant magnetostrictive rod
24 dependent variableWherein, ε is giant magnetostrictive rod
24 dependent variable, LrFor the length of giant magnetostrictive rod 24, Δ L is the variation length of giant magnetostrictive rod 24, EsFor the intensity of magnetization
Elasticity modulus corresponding to giant magnetostrictive rod 24, λ when reaching saturation valuesFor the saturation coefficient of dilatation of giant magnetostrictive rod 24, σs
For the saturation stress of giant magnetostrictive rod 24, M is the intensity of magnetization of giant magnetostrictive rod 24, MsFor in giant magnetostrictive rod 24
Intensity of magnetization saturation value；The dependent variable of giant magnetostrictive rod 24Wherein, B is that magnetic induction is strong
Degree, E are the elasticity modulus of giant magnetostrictive rod 24, d33For the piezomagnetic coefficient of giant magnetostrictive rod 24, μσSuper mangneto under horizontal pressure
The magnetic permeability of extension stem 24, HeFor the useful effect magnetic field strength in giant magnetostrictive rod 24；Magnetic induction density B=μ H, wherein
μ is medium magnetic permeability, and H is magnetic field strength；By Ampère circuital theorem Hl=NI, wherein N is the circle number of magnet exciting coil 23, and I is to encourage
The electric current of magnetic coil 23, l are the lengths of magnetic path, and ultra-magnetic telescopic stick controller 34 is obtained according to the size of theory orientation disk torque and encouraged
Then the theoretical current size of magnetic coil 23 is executed by current feedback circuit 35；
Step 3: the moment of resistance that wind spring assembly 5 and frictional disk 6 provide jointly is passed to by corner and torque sensor 4
Steering wheel 1, and dtc signal is transmitted to giant magnetostrictive material stick controller 34 by corner and torque sensor 4 at any time, lead to
It crosses real-time level of torque and completes feedback regulation compared with theory orientation disk torque size.
Embodiment
From the 1 front viewing of steering wheel of the utility model device, driver rotates counterclockwise steering wheel 1 from zero-bit at this time,
Wind spring assembly 5 provides the feedback of an elastic force to steering wheel, at the same 33 decision of power sense controller go out theoretical power sense size it
Afterwards, the theoretical current of magnet exciting coil 23 is gone out by 34 decision of ultra-magnetic telescopic stick controller, power sense controller 33 is determined at the same time
The direction that plan goes out theoretical power sense should be clockwise, the then control of ultra-magnetic telescopic stick controller 34 current feedback circuit 35, to excitation
Coil 23 is passed through electric current of corresponding size, so that giant magnetostrictive rod 24 completes the elongation of corresponding length in magnetic field, passes through company
The transmitting of fitting 16 provides corresponding thrust to friction plate 10, and acts in the rotation of frictional disk 6, the moment of resistance is formed, with volume
The elastic force collective effect of spring assembly 5 completes the feedback of power sense；Driver rotates counterclockwise steering wheel 1 from zero-bit at this time, then has
Body operative condition is similar to rotating clockwise, and passes through the resilient force and frictional disk 6 and giant magnetostrictive rod 24 of wind spring assembly 5
The moment of resistance effect provided jointly, completes the feedback of power sense.
By the control of ultra-magnetic telescopic stick controller 34 and the execution of elastic force simulation system, and current feedback circuit
35 provide different size of electric current at any time, which can export arbitrary size and direction under steering wheel any position
Torque, entire control process does not have the presence of motor, therefore the response speed of system will be by the response speed of giant magnetostrictive rod
It determines.And the response speed of giant magnetostrictive rod is in Millisecond, therefore utility model is more than existing traditional power sense feedback device
Tool advantage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection scope.
Claims (6)
1. giant magnetostrictive material power sense feedback device, which is characterized in that including bracket (7), bracket (7) is equipped with sliding slot, sliding
Slot is equipped with sliding block (37), is successively arranged steering stem bearing support (2), corner and torque sensor (4), wind spring on bracket (7)
Assembly (5) and frictional disk bearing spider (8), steering wheel (1) and steering column (11) rigid connection, steering column (11) pass through steering column
Bearing (12) is fixedly attached on steering stem bearing support (2), and steering column (11) passes through shaft coupling (3) and corner and torque sensing
One end of device (4) is rigidly connected, and the other end of corner and torque sensor (4) is connect by shaft coupling (3) with frictional disk (6),
The shaft end of frictional disk (6) is fixedly connected on frictional disk bearing spider (8) by frictional disk bearing (15), right in frictional disk (6)
Claim to set the giant magnetostrictive rod assembly (9) opposite there are two placement direction, two giant magnetostrictive rod assemblies (9) are solid by buckle
Surely it is connected to the end of bracket (7), a giant magnetostrictive rod assembly (9) is connected by the through-hole on bottom cover (26) by the way that screw is fixed
It connects on bracket (7), another giant magnetostrictive rod assembly (9) is fixedly connected on by the through-hole on adjustment lid (17) by screw
On bracket (7), the outer cylinder (20) in giant magnetostrictive rod assembly (9) is solid with adjustment lid (17) and bottom cover (26) respectively by screw
Surely the shell of giant magnetostrictive rod assembly (9) is connected and composed, the fixed cylinder (22) in giant magnetostrictive rod assembly (9) passes through screw
It is fixedly connected respectively with upper mounted plate (19) and bottom plate (25) and constitutes fixed cylinder assembly, giant magnetostrictive rod assembly (9)
Disk spring (18), connector (16) and fixed cylinder assembly are successively arranged in shell, (17) are covered in disk spring (18) and adjustment
In the middle part of inner wall and connector (16) protrusion contact, in fixed cylinder assembly between upper mounted plate (19) and bottom plate (25) according to
Secondary to be equipped with upper conduction magnetic board (21), sleeve (31) and lower magnetic conductive board (28), sleeve (31) is placed in coil rack (30), sleeve (31)
Outer peripheral surface is in contact with coil rack (30) hollow wall, and magnet exciting coil (23) is wound in coil rack (30), fixed cylinder (22)
Interior to be equipped with cylinder magnetic yoke (29), cylinder magnetic yoke (29) outer peripheral surface is in contact with fixed cylinder (22) inner peripheral surface, in cylinder magnetic yoke (29)
Circumferential surface is in contact with magnet exciting coil (23), and giant magnetostrictive rod (24) is placed in sleeve (31) inside, giant magnetostrictive rod (24) one
End is equipped with upper guide pad (32), and the other end is equipped with lower guide pad (27), upper mounted plate (19), upper conduction magnetic board (21) and lower magnetic conductive board
(28) center is equipped with through-hole, and through-hole is located on same axis, and connector (16) is through upper mounted plate (19) and upper magnetic conduction
Plate (21) is simultaneously connected with upper guide pad (32), and the overhanging end of connector (16) and bottom cover (26) is equipped with through-hole and about super mangneto
Extension stem assembly (9) is symmetrical above and below, the shaft end of friction plate (10) side and the connector of a giant magnetostrictive rod assembly (9)
(16) overhanging end through-hole is connected, the shaft end of friction plate (10) other side and the bottom cover of another giant magnetostrictive rod assembly (9)
(26) overhanging end through-hole is connected, and the shaft end of frictional disk (6) passes through wind spring assembly (5), the shaft end fluting and wind spring of frictional disk (6)
Assembly (5) is fixedly connected, and the axis of frictional disk (6) is connect by key with shaft coupling (3)；Frictional disk (6) shaft end of hollow cylindrical
Equipped with slot, the two sides bending place of the friction plate (10) of arcuate in shape is equipped with the shaft end of protrusion, and corner and torque sensor (4) are logical
It crosses signal wire to connect with power sense controller (33) and ultra-magnetic telescopic stick controller (34) respectively, power sense controller (33) passes through letter
Number line is successively connect with ultra-magnetic telescopic stick controller (34), current feedback circuit (35), magnet exciting coil (23).
2. giant magnetostrictive material power sense feedback device according to claim 1, which is characterized in that the steering stem bearing
Support (2), corner and torque sensor (4), wind spring assembly (5) and frictional disk bearing spider (8) be equipped with through-hole by screw with
Sliding block (37) is connected.
3. giant magnetostrictive material power sense feedback device according to claim 1, which is characterized in that the wind spring assembly
(5) it is made of the first wind spring (13) and the second wind spring (14), the first wind spring (13) and the second wind spring (14) are solid according to different rotation directions
Surely it is connected in the outer cylinder of wind spring assembly (5).
4. giant magnetostrictive material power sense feedback device according to claim 1, which is characterized in that the upper guide pad
(32), lower guide pad (27), giant magnetostrictive rod (24) and connector (16) are located on same axis.
5. giant magnetostrictive material power sense feedback device according to claim 1, which is characterized in that power supply (36) passes through confession
Electric wire occurs with power sense controller (33), corner and torque sensor (4), ultra-magnetic telescopic stick controller (34), electric current respectively
Device (35) is connected.
6. giant magnetostrictive material power sense feedback device according to claim 1, which is characterized in that (17) are covered in the adjustment
It is connect by screw with outer cylinder (20), the length that screw screws in can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820641779.9U CN208411863U (en) | 2018-05-02 | 2018-05-02 | Giant magnetostrictive material power sense feedback device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820641779.9U CN208411863U (en) | 2018-05-02 | 2018-05-02 | Giant magnetostrictive material power sense feedback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208411863U true CN208411863U (en) | 2019-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820641779.9U Withdrawn - After Issue CN208411863U (en) | 2018-05-02 | 2018-05-02 | Giant magnetostrictive material power sense feedback device |
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| Country | Link |
|---|---|
| CN (1) | CN208411863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394463A (en) * | 2018-05-02 | 2018-08-14 | 吉林大学 | Giant magnetostrictive material power sense feedback device and its application method |
-
2018
- 2018-05-02 CN CN201820641779.9U patent/CN208411863U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394463A (en) * | 2018-05-02 | 2018-08-14 | 吉林大学 | Giant magnetostrictive material power sense feedback device and its application method |
| CN108394463B (en) * | 2018-05-02 | 2019-11-26 | 吉林大学 | Giant magnetostrictive material power sense feedback device and its application method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20191126 |
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| AV01 | Patent right actively abandoned |