CN209305644U - A kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible - Google Patents
A kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible Download PDFInfo
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- CN209305644U CN209305644U CN201822103794.0U CN201822103794U CN209305644U CN 209305644 U CN209305644 U CN 209305644U CN 201822103794 U CN201822103794 U CN 201822103794U CN 209305644 U CN209305644 U CN 209305644U
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Abstract
The utility model discloses a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, including steering wheel arrangement, ECU and flexible sensing layer；Wherein, the flexible sensing layer is arranged on the steering wheel for being mounted on the steering wheel arrangement, and the steering wheel arrangement and the flexible sensing layer are electrically connected with the ECU respectively；The utility model adds flexible sensing layer on the basis of traditional steering wheel, the tactile impressions information for acquiring driver, passes information to driver, and then provide for driver and take into account intelligence, the driving of efficient activity and safe assists, and has very great meaning to safe driving and traffic safety.
Description
Technical field
The utility model relates to intelligent automobile active safety technologies fields, more particularly to by tactilely-perceptible theory
Steering wheel is incorporated, the monitoring of driver's tactile, the steering wheel arrangement and application method of auxiliary driver's operation can be provided.
Background technique
The developing direction of future automobile human-computer interaction technology develops towards more humanized, safe direction.Following
Interactive form no longer excessively relies on visual information, more emphasizes that more sense organ channels combine.From the point of view of the subdivision of interior component, mainly include
Lighting unit, middle control screen, steering wheel etc..By driving under scene from the point of view of current progress, safety and efficiency is still important
Consider index.
For research hotspot in recent years --- relatively advanced steering-by-wire (SBW) system.Due to eliminating mechanical connect
It connects, the moment of resistance, which loses, to be transmitted to the medium of steering wheel and can not directly perceive road feel in running car so as to cause driver.
In order to make up this shortcoming, SBW system simulates a road feel by certain method, then by feedback motor this
The road feel of simulation is supplied to driver.
On the basis of wire-controlled steering system, tactilely-perceptible technology is introduced into steering wheel for vehicle, passes through touching at steering wheel
Feel that the manipulation of feedback auxiliary driver properly and timely is a kind of feasible effective man-machine interaction mode.By the touching in remote operating field
Feel that guidance control technology introduces the manipulation device of vehicle, develops new vehicle driving assistance system, pass through when realizing vehicle drive
Steering wheel, which is generated, feels information alert to the power of driving behavior, reduces diverting one's attention for driver, preferably drives to cultivate driver
Sail Decision-making Consciousness.
Compared with based on the sense of hearing and vision auxiliary driving technology, information is passed using the mode of the tactile combination sense of hearing and vision
Therefore passing driver and capable of providing for driver is more effectively considered with the auxiliary interfered less in many vehicular applications
It is optimal one of mode.
By have tactilely-perceptible intelligent human-machine interaction steering wheel arrangement, car steering auxiliary system such as: vehicle-mounted active
Security system, driving and reversing aid system etc. will more take into account intelligence, efficient activity and safe.
Therefore, a kind of intelligent human-machine interaction how is provided, the intelligent steering wheel device with tactile data perception is ability
The problem of field technique personnel's urgent need to resolve.
Utility model content
In view of this, the present invention provides a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, with
It solves the problems, such as that above-mentioned background technology part is previously mentioned, makes steering wheel with tactile data sensing capability, by tactilely-perceptible information
Analysis processing keeps human-computer interaction more simple and direct, intelligent, for promoting traffic safety to carry out auxiliary prompting to driver
There is positive significant role.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, including steering wheel arrangement, ECU and flexible perception
Layer；Wherein, the flexible sensing layer is mounted on the steering wheel arrangement, the steering wheel arrangement and the flexible sensing layer point
It is not electrically connected with the ECU；
The steering wheel arrangement includes steering wheel, shaft coupling, torque sensor and rotary angle transmitter, feedback motor and battery
Box；Wherein, the battery case is fixedly connected with the steering wheel；The driving shaft of the shaft coupling and the feedback motor is fixed to be connected
It connects, the shaft coupling and the steering wheel are attached with both ends of the drive shaft respectively；The torque sensor and the corner pass
Sensor is mounted in the middle part of the transmission shaft, is electrically connected with the ECU；The feedback motor is solid by support device and vehicle frame
It is fixed, it is electrically connected with the ECU；
The flexibility sensing layer includes flexible substrates, convexity layer and touch sensor；Wherein, the flexible substrates setting is more
A touch sensor mounting groove, convexity layer sealing are fixed on the flexible substrates upper surface, and with the touch sensor
Mounting groove constitutes airtight cavity；Touch sensor installation trench bottom is adhesively fixed the touch sensor, multiple touchings
Feel that sensor constitutes tactile sensor array；After the convexity layer stress, the tactile sensor array and described soft is acted on
Property substrate, pressure signal is transferred to the ECU by the touch sensor of stress in the tactile sensor array, described
Signal processing is obtained grip distributed intelligence by ECU；
The touch sensor include protective layer, upper circuit board, electric pole plate, dielectric layer, lower electrode plate, lower circuit board and
Electrode cable；Wherein, the protective layer and the lower circuit board constitute receiving cavity；The upper circuit board, the electric pole plate,
The dielectric layer and the lower electrode plate are respectively positioned in the receiving cavity；The dielectric layer upper and lower end face is correspondingly arranged on described
Electrode plate and the lower electrode plate, the electric pole plate and the corresponding setting of the lower electrode plate are in the upper circuit board and described
On lower circuit board, and the electric pole plate connects the electrode cable with the lower electrode plate, leads to outside receiving cavity；
The touch sensor is capacitance sensor, according to the capacitor calculation formula C=ε S/d detection flexible sensing layer
Stress variation；For the convexity layer described in the outermost layer by external force, normal force suffered by the protective layer oppresses the upper circuit board and institute
State dielectric layer, the dielectric layer uses PDMS material, with fluted micro-structure and elastic nature, the electric pole plate and it is described under
Electrode plate suffer oppression it is close, pole span d reduce, then capacitor increase, cause change in electric；Tangential force suffered by the protective layer can push away
It is mobile relative to the lower electrode plate horizontal direction to move the electric pole plate, reduces the electric pole plate and the lower electrode plate face
Area S, then capacitor reduces, and causes change in electric；The modulated demodulation of electric signal that the flexibility sensing layer generates is transferred to institute
It states ECU to be handled, obtains haptic signal.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the battery case
It is entrenched in the battery case bracket with battery case mounting groove, is connect by the electrode cable with the flexible sensing layer；Institute
It states battery case bracket and is fixed with the steering wheel by screw.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the protective layer
For by the shell of silica gel preparation and bottom opening, there is inertia and elasticity, convenient for the transmission of pressure, interference is reduced, surface is set
There are the non-slip patterns being bonded with the convexity layer, increase the adhesive force to the convexity layer, the protective layer passes through 3D printing skill
Art produces the mold of required shape, is then prepared with reverse mould method, is conveniently replaceable shape.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the upper circuit
Plate and the lower circuit board are polyimides material, thermal stability with higher and heat resistance, excellent combination property.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the top electrode
Plate and the lower electrode plate are that the upper circuit board and the lower circuit board surface layer are plated in by flexible printed circuit board technology
Copper foil layer, has that light-weight, thickness is thin, soft flexible, can do Dynamic flexural, the installation of 3D solid, high reliablity, thermal diffusivity is strong
The advantages of.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the top electrode
Plate includes the bar shaped tooth of multiple compartment distributions and the connecting plate for connecting the bar shaped tooth, the top electrode with the lower electrode plate
Face is arranged the bar shaped tooth of plate and the lower electrode plate one by one, and the bar shaped tooth of compartment distribution is conducive to improve polar plate area
Change rate, and then sensitivity is improved, the connecting plate is separately connected the battery case and the ECU by the electrode cable.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the dielectric layer
Surface is provided with groove structure.
Preferably, in a kind of above-mentioned intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, the dielectric layer
The preparation method comprises the following steps: obtaining exposed silica firstly, scribed on SiO2 substrate or Si substrate by photoetching technique
Rectangular array；Exposed silica is etched away using hydrofluoric acid solution, photoresist is then washed off, it is long to obtain exposed silicon
Square array；Next anisotropic etching, the available reeded silicon mould of tool are carried out to exposed silicon with hydrofluoric acid solution
Plate；Finally, pouring one layer of PDMS in silicon template surface, stripped down after the PDMS solidification, it is available that there is sawteeth groove
The flexible PDMS film of shape, dividing processing must arrive the dielectric layer that surface is provided with groove structure.
It can be seen via above technical scheme that compared with prior art, the utility model, which discloses, provides one kind with touching
The intelligent human-machine interaction steering wheel arrangement for feeling perception constitutes flexible sensing layer by touch sensor and flexible substrates, convexity layer；
It is arranged on the steering wheel, it is made to have tactilely-perceptible ability；Touch sensor in the application is compact-sized, small in size, sensitive
Degree is high, can acquire the driving tactile data of precisely acquisition driver, realizes human-computer interaction intelligent, efficient activity and safety
Change.
Signal after tactile data calculation processing is passed to driver by the utility model, and can provide for driver more has
The auxiliary imitating and interfere less with drives system, and improving, traffic safety is significant, solves and is with the sense of hearing, vision at present
Interactive efficiency caused by human-computer interaction means is low, and intelligence degree is insufficient, and the low disadvantage of auxiliary security driving ability makes man-machine friendship
Mutually and auxiliary security driving takes into account intelligence, efficient activity and safe.
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 the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the structural schematic diagram of flexible sensing layer；
Fig. 2 attached drawing is the cross-sectional view of touch sensor；
Fig. 3 attached drawing is the Structure explosion diagram of touch sensor；
Fig. 4 attached drawing is the control block diagram of the utility model；
Fig. 5 attached drawing is mounting structure explosive view of the flexible sensing layer on steering wheel arrangement.
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.
The utility model embodiment discloses a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, makes direction
The tactile sensing capability of dribbling can obtain the tactile change information of driver, in conjunction with vehicle sensors, to judge driver
State drives auxiliary security and traffic safety plays positive significant role.
Attached drawing 1-5 is please referred to, is a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible of the utility model,
Including steering wheel arrangement, ECU1 and flexible sensing layer 3；Wherein, flexible sensing layer 3 is mounted on the steering wheel arrangement, described
Steering wheel arrangement and flexible sensing layer 3 are electrically connected with ECU1 respectively；
Steering wheel arrangement includes steering wheel 21, shaft coupling 24, torque sensor 26 and rotary angle transmitter 23, feedback motor 25
With battery case 28；Wherein, battery case 28 is fixedly connected with steering wheel 21；The driving shaft of shaft coupling 22 and feedback motor 25 is fixed to be connected
It connects, shaft coupling 24 and steering wheel 21 are attached with 22 both ends of transmission shaft respectively；Torque sensor 26 and rotary angle transmitter 23 are pacified
Mounted in 22 middle part of transmission shaft, it is electrically connected with ECU1；Feedback motor 25 is fixed by support device and vehicle frame, is electrically connected with ECU1
It connects；
Flexible sensing layer 3 includes flexible substrates 31, convexity layer 33 and touch sensor 30；Wherein, flexible substrates 31 are arranged
Multiple touch sensor mounting grooves 32, the sealing of convexity layer 33 is fixed on 31 upper surface of flexible substrates, and installs with touch sensor
Slot 32 constitutes airtight cavity；32 bottom of touch sensor mounting groove is adhesively fixed touch sensor 30, multiple touch sensors 30
Constitute tactile sensor array；After 33 stress of convexity layer, tactile sensor array and flexible substrates 31, touch sensor are acted on
Pressure signal is transferred to ECU1 by the touch sensor 30 of stress in array, and signal processing is obtained grip distributed intelligence by ECU1；
Touch sensor 30 includes protective layer 301, upper circuit board 302, electric pole plate 303, dielectric layer 304, lower electrode plate
305, lower circuit board 306 and electrode cable 29；Wherein, protective layer 301 and lower circuit board 306 constitute receiving cavity；Upper circuit board
302, electric pole plate 303, dielectric layer 304 and lower electrode plate 305 are located in receiving cavity, and 304 upper and lower end face of dielectric layer correspondence is set
Electric pole plate 303 and played electrode plate 305 are set, electric pole plate 303 and the corresponding setting of lower electrode plate 305 are in upper circuit board 302
On lower circuit board 306, and 305 connection electrode conducting wire 29 of electric pole plate 303 and lower electrode plate, it leads to outside receiving cavity；
Touch sensor 30 is capacitance sensor, and the stress of flexible sensing layer 3 is detected according to capacitor calculation formula C=ε S/d
Variation；When outermost layer convexity layer 33 is by external force, normal force suffered by protective layer 301 oppresses upper circuit board 302 and dielectric layer 304, is situated between
Matter layer 304 uses PDMS material, and with fluted micro-structure and elastic nature, electric pole plate 303 suffers oppression with lower electrode plate 305 and leans on
Closely, pole span d is reduced, then capacitor increases, and causes change in electric；Tangential force suffered by protective layer 301 will push 303 phase of electric pole plate
It is mobile to lower 305 horizontal direction of electrode plate, reduce electric pole plate 303 and lower 305 positive area S of electrode plate, then capacitor reduces, and draws
Play change in electric；The modulated demodulation of the electric signal that flexible sensing layer 3 generates is transferred to ECU1 and is handled, and obtains tactile letter
Number.
In order to further optimize the above technical scheme, battery case 28 is entrenched in the battery case bracket with battery case mounting groove
In 27, it is connect by electrode cable 29 with flexible sensing layer 3；Battery case bracket 27 is fixed with steering wheel 21 by screw.
In order to further optimize the above technical scheme, protective layer 301 is the shell by silica gel preparation and bottom opening, table
Face is equipped with the non-slip patterns 3010 being bonded with convexity layer 33, and protective layer 301 produces the mould of required shape by 3D printing technique
Then tool is prepared with reverse mould method.
In order to further optimize the above technical scheme, upper circuit board 302 and lower circuit board 306 are polyimides material.
In order to further optimize the above technical scheme, electric pole plate 303 and lower electrode plate 305 are to pass through flexible print circuit
Plate technique is plated in the copper foil layer of circuit board 302 Yu lower 305 surface layer of circuit board.
In order to further optimize the above technical scheme, electric pole plate 303 and lower electrode plate 305 are distributed including multiple compartments
Bar shaped tooth 3030 and connect the connecting plate 3031 of the bar shaped tooth, the bar shaped tooth 3030 of electric pole plate 303 and lower electrode plate 305
Face is arranged one by one, and connecting plate 3031 is separately connected battery case 28 and ECU1 by electrode cable 29.
In order to further optimize the above technical scheme, dielectric layer 304 the preparation method comprises the following steps: firstly, being existed by photoetching technique
It is scribed on SiO2 substrate or Si substrate, obtains exposed silica rectangular array；It will be exposed using hydrofluoric acid solution
Silica etch away, then wash off photoresist, obtain exposed silicon rectangular array；Next with hydrofluoric acid solution to sudden and violent
The silicon of dew carries out anisotropic etching, the available reeded silicon template of tool；Finally, pouring one layer in silicon template surface
PDMS is stripped down after the PDMS solidification, and the available flexible PDMS film with serrated slot shape, dividing processing obtains
Dielectric layer 304.
Torque sensor 26 and rotary angle transmitter 23 acquire driver and act on torque and corner information on steering wheel 21,
Transfer information to ECU1, the corner and moment information of the 4 calculated simulation of signal of ECU1 combination vehicle speed sensor and driver
The torque difference of operation input corner is compared, and building vehicle keeps the feedback guidance of planning path traveling；
Flexible sensing layer 3 receives the haptic signal of driver, carries out calculation processing, differentiates driver's driver condition, rule
Draw the travel path of driving vehicle；In driving procedure, when excluding road conditions factor, the haptic signal that flexible sensing layer 3 detects is pre-
If when unchanged in the time, indicating that driver is unchanged to the touching of steering wheel, and then infer that driver is in a state of fatigue,
ECU1 issues standby signal, and multimedia display screen 4, combination instrument 5, mobile device 6 are prompted.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible, which is characterized in that including steering wheel arrangement, ECU
With flexible sensing layer；Wherein, the flexible sensing layer is mounted on the steering wheel arrangement, the steering wheel arrangement and described soft
Property sensing layer respectively with the ECU be electrically connected；
The steering wheel arrangement includes steering wheel, shaft coupling, torque sensor and rotary angle transmitter, feedback motor and battery case；
Wherein, the battery case is fixedly connected with the steering wheel；The shaft coupling is fixedly connected with the driving shaft of the feedback motor,
The shaft coupling and the steering wheel are attached with both ends of the drive shaft respectively；The torque sensor and the rotary angle transmitter
It is mounted in the middle part of the transmission shaft, is electrically connected with the ECU；The feedback motor is fixed by support device and vehicle frame, with
The ECU is electrically connected；
The flexibility sensing layer includes flexible substrates, convexity layer and touch sensor；Wherein, multiple touchings are arranged in the flexible substrates
Feel sensor mounting groove, the convexity layer sealing is fixed on the flexible substrates upper surface, and installs with the touch sensor
Slot constitutes airtight cavity；Touch sensor installation trench bottom is adhesively fixed the touch sensor, and multiple tactiles pass
Sensor constitutes tactile sensor array；After the convexity layer stress, the tactile sensor array and the flexible base are acted on
Bottom, pressure signal is transferred to the ECU by the touch sensor of stress in the tactile sensor array, and the ECU will
Signal processing obtains grip distributed intelligence；
The touch sensor includes protective layer, upper circuit board, electric pole plate, dielectric layer, lower electrode plate, lower circuit board and electrode
Conducting wire；Wherein, the protective layer and the lower circuit board constitute receiving cavity；It is the upper circuit board, the electric pole plate, described
Dielectric layer and the lower electrode plate are respectively positioned in the receiving cavity；The dielectric layer upper and lower end face is correspondingly arranged the top electrode
Plate and the lower electrode plate, the electric pole plate and the corresponding setting of the lower electrode plate are in the upper circuit board and the lower electricity
On the plate of road, and the electric pole plate connects the electrode cable with the lower electrode plate, leads to outside receiving cavity.
2. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible according to claim 1, which is characterized in that
The battery case is entrenched in the battery case bracket with battery case mounting groove, passes through the electrode cable and the flexible perception
Layer connection；The battery case bracket is fixed with the steering wheel by screw.
3. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible according to claim 1, which is characterized in that
The protective layer is the shell by silica gel preparation and bottom opening, and surface is equipped with the non-slip patterns being bonded with the convexity layer,
The protective layer produces required shaped mold by 3D printing technique, is then prepared with reverse mould method.
4. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible according to claim 1, which is characterized in that
The upper circuit board and the lower circuit board are polyimides material.
5. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible according to claim 1 or 4, feature exist
In, the electric pole plate and the lower electrode plate be plated in by flexible printed circuit board technology the upper circuit board and it is described under
The copper foil layer on circuit board surface layer.
6. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible according to claim 5, which is characterized in that
The electric pole plate and the lower electrode plate include the bar shaped tooth of multiple compartments distributions and the connecting plate for connecting the bar shaped tooth,
Face is arranged the bar shaped tooth of the electric pole plate and the lower electrode plate one by one, and the connecting plate passes through the electrode cable
It is separately connected the battery case and the ECU.
7. a kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible according to claim 1, which is characterized in that
The dielectric layer surface is provided with groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103794.0U CN209305644U (en) | 2018-12-14 | 2018-12-14 | A kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822103794.0U CN209305644U (en) | 2018-12-14 | 2018-12-14 | A kind of intelligent human-machine interaction steering wheel arrangement with tactilely-perceptible |
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| CN209305644U true CN209305644U (en) | 2019-08-27 |
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ID=67676995
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525494A (en) * | 2021-07-05 | 2021-10-22 | 吉林大学 | Intelligent automobile steering wheel device with multi-mode tactile perception |
-
2018
- 2018-12-14 CN CN201822103794.0U patent/CN209305644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113525494A (en) * | 2021-07-05 | 2021-10-22 | 吉林大学 | Intelligent automobile steering wheel device with multi-mode tactile perception |
| CN113525494B (en) * | 2021-07-05 | 2022-11-25 | 吉林大学 | Intelligent automobile steering wheel device with multi-mode tactile perception |
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