CN110027532A - The pedal sense simulator of vehicle and vehicle with it - Google Patents
The pedal sense simulator of vehicle and vehicle with it Download PDFInfo
- Publication number
- CN110027532A CN110027532A CN201810030882.4A CN201810030882A CN110027532A CN 110027532 A CN110027532 A CN 110027532A CN 201810030882 A CN201810030882 A CN 201810030882A CN 110027532 A CN110027532 A CN 110027532A
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- China
- Prior art keywords
- pedal
- shell
- sliding block
- elastic component
- vehicle
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/06—Disposition of pedal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
- B60T8/409—Systems with stroke simulating devices for driver input characterised by details of the stroke simulating device
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Elements And Transmission Devices (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses a kind of pedal sense simulator of vehicle and with its vehicle.Vehicle includes pedal, and pedal sense simulator includes shell, slider-crank mechanism, driving part, mobile putter and the first elastic component.Slider-crank mechanism includes crank, connecting rod and sliding block, and the both ends of connecting rod are connected with crank and sliding block respectively, and sliding block is set inside the shell with being reciprocally moveable.Driving part is connected with one end of crank to drive crank to rotate.One end of mobile putter and sliding block cooperate to drive sliding block mobile, and the other end of mobile putter is suitable for being connected with pedal.First elastic component is set inside the shell, and the first end of the first elastic component is positioned at shell, and the second end and sliding block of the first elastic component cooperate.The pedal sense simulator of vehicle according to an embodiment of the present invention, by using the pedal sense in purely mechanic mechanism analog driving conditions, so as to improve the response speed and mechanical performance of motor vehicle braking system.
Description
Technical field
The present invention relates to technical field of vehicle, specifically, more particularly to a kind of vehicle pedal sense simulator and have
Its vehicle.
Background technique
In order to improve the effective brake of automobile, automobile generallys use brake-by-wire, and brake-by-wire not only has response speed
Fastly, the features such as control precision is high, braking ability is good, flexible arrangement, but also can be integrated with automobile kinetic-control system,
The brake force of flexibility and changeability is provided for vehicle.On-line Control is moved in system, due to eliminating between brake pedal and brake
Hydraulic or mechanical connection, so that driver feeds back when can not directly perceive braking to the braking reaction force on brake pedal, from
And the brake feel for losing Conventional braking systems causes the brake feel of pedal bad.Brake feel is a kind of comprehensive feeling,
It includes pedal brake feeling, the vehicle braking deceleration that driver experiences, brake noise acoustically and visual
The factors such as vehicle deceleration, wherein pedal brake feels it is most important component part.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of vehicle
Pedal sense simulator, the pedal sense simulator of the vehicle has the advantages that structure is simple, mechanical performance is good.
The present invention also proposes that a kind of vehicle, the vehicle have the pedal sense simulator of vehicle as described above.
The pedal sense simulator of vehicle according to an embodiment of the present invention, the vehicle includes pedal, the pedal sense simulation
Device includes: shell；Slider-crank mechanism, the slider-crank mechanism include crank, connecting rod and sliding block, the both ends point of the connecting rod
It is not connected with the crank and the sliding block, the sliding block is located in the shell with being reciprocally moveable；Driving part, the drive
Dynamic component is connected to drive the crank to rotate with one end of the crank；Mobile putter, one end of the mobile putter and institute
Sliding block cooperation is stated to drive the sliding block mobile, the other end of the mobile putter is suitable for being connected with the pedal；First elasticity
Part, first elastic component are located in the shell, and the first end of first elastic component is positioned at the shell, and described first
The second end of elastic component and the sliding block cooperate.
The pedal sense simulator of vehicle according to an embodiment of the present invention, using driving part and the first elastic component to slide crank
Block synthesis of mechanism active force simultaneously passes to mobile putter, and pedal simulated behavior is come out, and it is non-thread for can satisfy pedal characteristic
The demand of property.Wherein, elastic force is generated after the first elastic component compressive deformation can provide based-pedal counter-force for pedal indirectly,
Guarantee that braking system works " brake feel " of real-time pedal, driving part and the first elastic component can provide target pedal together
Power, the remainder between compensated foundation pedal force and target pedal force.Pedal brake feels anti-after driver steps on pedal
Feedback obtains removing intermediate variable (such as hydraulic, air pressure), by using the pedal sense in purely mechanic mechanism analog driving conditions, from
And the response speed and mechanical performance of motor vehicle braking system can be improved.
It according to some embodiments of the present invention, further include spring base and the second elastic component, the spring base is located at described outer
The outside of shell and the spring base are located on the mobile putter with mobile with the mobile putter, and the two of second elastic component
End is only against on the shell and the spring base respectively.
In some embodiments of the invention, further include telescopic dust cover, described second is covered on outside the dust cover
The outside of the elastic component and both ends of the dust cover are respectively provided on the spring base and the shell.
It according to some embodiments of the present invention, further include length-adjustable link assembly, the both ends point of the link assembly
It is not connected with the other end of the mobile putter and the pedal.
Further, the link assembly includes: the first connector, the first end and the movement of first connector
Push rod is connected, and the second end of first connector is equipped with external screw thread；Second connector, outside the first end of second connector
It covers on first connector and is threadedly engaged with the external screw thread, the second end of second connector is suitable for stepping on described
Plate is connected；Adjusting nut, the adjusting nut housing are threadedly engaged on first connector and with the external screw thread.
It according to some embodiments of the present invention, further include installation shell, the installation shell is located on the shell, described
Driving part is located in the mounting shell body.
According to some embodiments of the present invention, the sliding block is hollow, and the connecting rod is extend into the sliding block, described
Slider-crank mechanism further includes connecting shaft and locating piece, the connecting shaft be threaded through on the connecting rod and the connecting shaft at least
The sliding block is stretched out in one end, and the end of the stretching of the locating piece and the connecting shaft sliding block cooperates with by the connecting shaft
Positioning is on the slide block.
According to some embodiments of the present invention, the driving part includes: motor；Input gear, the input gear are set
To be rotated by the motor driven on the motor shaft of the motor；Output gear, the output gear and the input gear
Engagement, one end of the crank are located on the output gear to be driven and be rotated by the output gear.
Further, the diameter of the input gear is less than the diameter of the output gear.
Vehicle according to an embodiment of the present invention, comprising: car body, the car body are equipped with electronic control unit；Pedal, it is described
Pedal is rotatably arranged on the car body；Pedal sense simulator, the pedal sense simulator is according to institute any one of as above
The pedal sense simulator stated, the shell are located on the car body, and the mobile putter is connected with the pedal, the driving portion
Part is connected with the electronic control unit；For detecting the detection device of the stroke of the pedal, the detection device with it is described
Electronic control unit is connected.
Vehicle according to an embodiment of the present invention, using driving part and the first elastic component to slider-crank mechanism comprehensive function
Power simultaneously passes to mobile putter, and pedal simulated behavior is come out, and can satisfy pedal characteristic is nonlinear demand.Wherein,
Elastic force is generated after first elastic component compressive deformation can provide based-pedal counter-force indirectly for pedal, guarantee braking system work
" brake feel " of pedal when putting into effect, driving part and the first elastic component can provide target pedal force together, and compensated foundation is stepped on
Remainder between plate power and target pedal force.Pedal brake feels that feedback obtains removing centre after driver steps on pedal
Variable (such as hydraulic, air pressure), by using the pedal sense in purely mechanic mechanism analog driving conditions, so as to improve vehicle
The response speed and mechanical performance of braking system.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the simple structure figure of the pedal sense simulator of vehicle according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the pedal sense simulator of vehicle according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the link assembly of the pedal sense simulator of vehicle according to an embodiment of the present invention；
Fig. 4 is the partial structural diagram of the pedal sense simulator of vehicle according to an embodiment of the present invention；
Fig. 5 is the partial structural diagram of the pedal sense simulator of vehicle according to an embodiment of the present invention；
Fig. 6 is the partial structural diagram of the pedal sense simulator of vehicle according to an embodiment of the present invention；
Fig. 7 is the cross section structure schematic diagram of the pedal sense simulator of vehicle according to an embodiment of the present invention.
Appended drawing reference:
Pedal sense simulator 1, pedal 2, electronic control unit 3, detection device 4,
Shell 10, open end 11, choke 111, closed end 12, central through hole 121,
Slider-crank mechanism 20,
Crank 21, connecting rod 22, connecting rod cap 221, body part 222, connecting-rod bolts 223, connecting rod nut 224,
Sliding block 23, convex block 231, connecting shaft 24, locating piece 25, bearing shell 26,
Driving part 30, motor 31, motor shaft 310, flat key 320, input gear 32, output gear 33,
Mobile putter 40,
First elastic component 50,
Spring base 60,
Second elastic component 70,
Dust cover 80,
Link assembly 90, the first connector 91, the second connector 92, adjusting nut 93,
Installation shell 100, open ports 110,
Bearing assembly 200, bearing block 210, bearing 220, shaft 230.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The orientation or positional relationship of the instructions such as "lower", "front", "rear", "left", "right", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more
Multiple this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Fig. 1-Fig. 2 and Fig. 4-Fig. 7, the pedal sense simulator 1 of vehicle according to an embodiment of the present invention, vehicle includes
Pedal 2, pedal sense simulator 1 include shell 10, slider-crank mechanism 20, driving part 30, mobile putter 40 and the first elasticity
Part 50.
Specifically, slider-crank mechanism 20 includes crank 21, connecting rod 2 and sliding block as shown in Fig. 1-Fig. 2 and Fig. 4-Fig. 7
23, the both ends of connecting rod 2 are connected with crank 21 and sliding block 23 respectively, and sliding block 23 is located in shell 10 with being reciprocally moveable.Driving portion
Part 30 is connected to drive crank 21 to rotate with one end of crank 21.One end of mobile putter 40 and sliding block 23 cooperate to drive sliding block
23 is mobile, and the other end of mobile putter 40 is suitable for being connected with pedal 2.First elastic component 50 is located in shell 10, the first elastic component
50 first end is positioned at shell 10, and the second end and sliding block 23 of the first elastic component 50 cooperate.It should be noted that being mentioned here
To " first end " and " second end " be respectively the first elastic component 50 two ends, for example, " first end " can be the first bullet
Property part 50 close to one end of driving part 30, " second end " can be the first elastic component 50 close to one end of mobile putter 40.
As shown in Figure 1, the first end of the first elastic component 50 can be positioned on shell 10, the second end of the first elastic component 50
It can be positioned on sliding block 23, when pushing sliding block 23 towards close to the movement of the direction of driving part 30, sliding block 23 can compress
First elastic component 50.Certainly, the first end of the first elastic component 50 can be positioned on shell 10, the second end of the first elastic component 50
It can be spaced apart with sliding block 23, when pushing sliding block 23 towards close to the movement of the direction of driving part 30, sliding block 23 is moved closer to
First elastic component 50, after the mobile a distance of sliding block 23, the second end in contact of sliding block 23 and the first elastic component 50, when sliding block 23
When continuing to move to, sliding block 23 can compress the first elastic component 50.It should be noted that mentioned herein, " first end can determine
Position is on shell 10 " it can refer to that first end is fixedly connected with shell 10, abuts or is clamped.
For example, shell 10 has open end 11 and closed end 12 as shown in fig. 7, shell 10 can be formed as barrel-like structure,
Open end 11 has choke 111, and the bore of choke 111 is less than the aperture at 10 middle part of shell, and closed end 12 has perforation
Central through hole 121, sliding block 23 are located in shell 10.Driving part 30 and one end of crank 21 are pivotably connected, crank 21
One end of the other end and connecting rod 2 is pivotably connected, the other end of connecting rod 2 protruded into shell 10 from open end 11 and with sliding block 23
One end be pivotably connected, one end of mobile putter 40 passes through central through hole 121 and connect with the other end of sliding block 23, moves and pushes away
The other end of bar 40 is connect with pedal 2.Sliding block 23 has convex block 231 close to one end of mobile putter 40, and convex block 231 is set to sliding block
23 periphery wall.First elastic component 50 is located in shell 10, and the first elastic component 50 can be externally fitted to sliding block 23, the first elastic component 50
One end can offset with convex block 231, the other end of the first elastic component 50 can offset with choke 111.First elastic component 50
There is gap between the internal perisporium of shell 10, the first elastic component 50 can be compressed or be stretched, and sliding block 23 is relative to shell
10 can slide.
Driving part 30 can drive one end of crank 21 to rotate, for example, driving part 30 can drive the one of crank 21
Circular-rotation is done in the end at end, and so as to drive connecting rod 2 to move, connecting rod 2 can move in turn with movable slider 23, and shell 10 can
To limit the movement of sliding block 23, sliding block 23 can do back and forth movement along the axis direction of shell 10.Pedal 2 can push movement to push away
Bar 40 moves, and mobile putter 40 may further push sliding block 23 to do back and forth movement, sliding block 23 along the axis direction of shell 10
And then the first elastic component 50 can be compressed.Mobile putter 40 can pass to the active force of pedal 2 in pedal sense simulator 1
Other structures component can be used for compressing the first elastic component 50.
In vehicle operation, when driver needs to be implemented vehicle braking function, driver steps on pedal 2, and pedal 2 pushes away
Dynamic mobile putter 40 moves to the left (left side as shown in Figure 1), and mobile putter 40 can push sliding block 23 to be moved to the left in turn, sliding block
23 convex block 231 starts to contact with the first elastic component 50, and starts to compress the first elastic component 50.Correspondingly, the first elastic component 50
Compressive deformation opposition can be formed to convex block 231, and pass to mobile putter 40, mobile putter 40 can by
The active force on right (right side as shown in Figure 1).Driving part 30 can drive crank 21 to move, and crank 21 can drive connecting rod in turn
2 movements, connecting rod 2 are further driven to the movement of sliding block 23, and sliding block 23 can provide power-assisted to mobile putter 40, reduce mobile putter 40
The opposition being subject to makes mobile putter 40 obtain suitable opposition, which is brake pedal force,
To simulate the target value of pedal force and pedal travel.It should be noted that when driver's pushes pedals 2 feel it is partially soft or
When partially hard, driver can be made by the driving force of change driving part 30 to change active force suffered by mobile putter 40
Obtain more good pedal sense.
The pedal sense simulator 1 of vehicle according to an embodiment of the present invention, it is right using driving part 30 and the first elastic component 50
20 comprehensive function power of slider-crank mechanism simultaneously passes to mobile putter 40, and pedal simulated behavior is come out, can satisfy pedal
Characteristic is nonlinear demand.Wherein, elastic force is generated after 50 compressive deformation of the first elastic component can provide indirectly for pedal 2
Based-pedal counter-force guarantees that braking system works " brake feel " of real-time pedal 2, and driving part 30 and the first elastic component 50 can
Remainder to provide target pedal force together, between compensated foundation pedal force and target pedal force.Pedal brake is felt
Feedback obtains removing intermediate variable (such as hydraulic, air pressure) after driver steps on pedal 2, by using purely mechanic mechanism analog row
Pedal sense during vehicle, so as to improve the response speed and mechanical performance of motor vehicle braking system.
As shown in Fig. 2 and Fig. 6-Fig. 7, according to some embodiments of the present invention, pedal sense simulator 1 further includes spring base 60
With the second elastic component 70, spring base 60 is located at the outside of shell 10 and spring base 60 is located on mobile putter 40 with mobile putter
40 is mobile, and the both ends of the second elastic component 70 are only against on shell 10 and spring base 60 respectively.It is understood that spring base 60
In shell 10 close to the side of mobile putter 40, spring base 60 is located at the outside of shell 10, and spring base 60 and mobile putter 40 connect
It connects, the second elastic component 70 is between spring base 60 and shell 10.For example, spring base 60 can be located at outside shell 10, spring base
60 is opposite with closed end 12, and mobile putter 40 can be clamped or be fixedly connected with spring base 60, and the second elastic component 70 is located at outer
Between shell 10 and spring base 60, the second elastic component 70 can be externally fitted to mobile putter 40, and one end of the second elastic component 70 can be with
Closed end 12 offsets, and the other end of the second elastic component 70 can offset with spring base 60.
The active force of mobile putter 40 can be passed to the second elastic component 70 by spring base 60 as a result, to compress the second bullet
Property part 70, the second elastic component 70 assists the first elastic component 50, and the second elastic component 70 is upper in performance effect to be with the first elastic component 50
Identical, the second elastic component 70 can provide pedal preset force for vehicle, can also remain to protect after the failure of the first elastic component 50
Normal pedal force is held, so as to improve the safety coefficient of pedal sense simulator 1.
As shown in Fig. 2, Fig. 4 and Fig. 7, in some embodiments of the invention, pedal sense simulator 1 can also include that can stretch
The dust cover 80 of contracting, cover on the outside of the second elastic component 70 and the both ends of dust cover 80 is respectively provided at spring base 60 to dust cover 80 outside
On shell 10.It is understood that one end of dust cover 80 can be connect with shell 10, the other end of dust cover 80 can be with
Spring base 60 connects, and shell 10, dust cover 80 and spring base 60 can limit chamber, and the second elastic component 70 can be located at the chamber
It is indoor.For example, dust cover 80 can be formed as tubular, dust cover 80 can be externally fitted to the second elastic component 70, and dust cover 80 has
Fold, dust cover 80 can stretch on the deformation direction of the second elastic component 70.Pedal sense mould can be improved in dust cover 80 as a result,
The leakproofness of quasi- device 1, prevents dust and water etc. from entering in pedal sense simulator 1, leads to the mechanical structure in pedal sense simulator 1
The case where getting rusty or adhering dust, and then influencing the sensitivity and mobility of pedal sense simulator 1, thereby may be ensured that pedal
Feel the working performance of simulator 1.
As shown in Figure 1-Figure 3, according to some embodiments of the present invention, pedal sense simulator 1 can also include that length is adjustable
Link assembly 90, the both ends of link assembly 90 are connected with the other end of mobile putter 40 and pedal 2 respectively.It is understood that
It is that one end of link assembly 90 can be connect with mobile putter 40, the other end of link assembly 90 can be connect with pedal 2.Even
Between mobile putter 40 and pedal 2, link assembly 90 can be used for transmitting between pedal 2 and mobile putter 40 bar assembly 90
Active force, link assembly 90 can also adjust the starting force of pedal 2 and the idle stroke of pedal 2.
Further, as shown in Fig. 2-Fig. 3 and Fig. 7, link assembly 90 includes the first connector 91,92 and of the second connector
Adjusting nut 93.The first end of first connector 91 is connected with mobile putter 40, and the second end of the first connector 91 is equipped with outer spiral shell
Line.The first end housing of second connector 92 is threadedly engaged on the first connector 91 and with external screw thread, the second connector 92
Second end is suitable for being connected with pedal 2.93 housing of adjusting nut is threadedly engaged on the first connector 91 and with external screw thread.For example,
Second connector 92 can be equipped with threaded hole, and one end of the first connector 91 can be clamped with mobile putter 40, the first connector
The periphery wall of 91 other end is equipped with screw thread, and the other end of the first connector 91 can be threaded through in threaded hole and connect with second
Part 92 is threadedly coupled, and adjusting nut 93 is set in the other end of the first connector 91,91 spiral shell of adjusting nut 93 and the first connector
Line connection, adjusting nut 93 are located between mobile putter 40 and the second connector 92.As a result, the first connector 91 can be used for by
Second connector 92 is connected with mobile putter 40, and position of the adjusting nut 93 on the first connector 91 is adjustable, is adjusted
Section nut 93 can be used for adjusting the starting force of pedal 2 and the idle stroke of pedal 2.Second connector 92 can be connect with pedal 2,
To transmit pedal brake power.
As shown in Fig. 2, Fig. 4 and Fig. 7, according to some embodiments of the present invention, pedal sense simulator 1 further includes installation shell
100, installation shell 100 is located on shell 10, and driving part 30 is located in installation shell 100.It is understood that installation shell
100 connect with shell 10, install and form installation space inside shell 100, driving part 30 is located in installation space.For example, peace
Dress shell 100 can form open ports 110, and open ports 110 are connect with open end 11, install inside and the shell 10 of shell 100
Inside connection, connecting rod 2 can shuttle in the intersection of installation shell 100 and shell 10, and a part of connecting rod 22, which is located at, to be installed
In shell 100, another part of connecting rod 22 is located in shell 10.Installation shell 100 can be used for installing driving part as a result,
30, driving part 30 is protected, can prevent dust and water from impacting to the performance of driving part 30, pedal sense mould can be improved
The leakproofness of quasi- device 1, prevents driving part 30 from being collided with or being damaged, can also reduce the mechanical noise of driving part 30.
As shown in fig. 7, according to some embodiments of the present invention, sliding block 23 can be hollow, connecting rod 22 can be extend into
In sliding block 23.Slider-crank mechanism 20 further includes connecting shaft 24 and locating piece 25, and connecting shaft 24 is threaded through on connecting rod 22 and connects
Sliding block 23 is stretched out at least one end of axis 24, and the end of the stretching sliding block 23 of locating piece 25 and connecting shaft 24 cooperates with by connecting shaft 24
It is located on sliding block 23.For example, sliding block 23 can be formed as tubular closed at one end, and closed one end has the convex block of annular
231, annular convex block 231 extends along the circumferential direction of tubular sliding block 23, and a part of of connecting rod 22 can open wide from sliding block 23
One end protrude into inside sliding block 23, protrude into the connecting rod 22 of sliding block 23 end can be equipped with through hole, through hole can the company of perforation
Bar 22, can be equipped with connecting shaft 24 in through hole, and one end of connecting shaft 24 can penetrate through the peripheral wall of sliding block 23, locating piece 25 with
Connecting shaft 24 is located at the mating connection of the end outside sliding block 23, so that the end of the connecting shaft 24 is limited to outside sliding block 23.
Certainly, locating piece 25 can be two, and the both ends of connecting shaft 24 can extend to the peripheral wall of perforation sliding block 23, two locating pieces 25
Two ends of a connecting shaft 24 can be fixed respectively.Thus, it is possible to convenient for connecting connecting rod 22 and sliding block 23, company
Spindle 24 can connect connecting rod 22 and sliding block 23, transmit the active force between connecting rod 22 and sliding block 23.Locating piece 25 can be axial
Be located by connecting axis 24, prevents connecting shaft 24 from shifting.Setting hollow for sliding block 23 can reduce the quality of sliding block 23, so as to
To improve the stress sensitivity of sliding block 23, different active forces is acted on sliding block 23, and sliding block 23 can form different distance
Displacement.
It should be noted that the specific embodiment of 25 fixed connection shaft 24 of locating piece is not especially limited, for example,
Locating piece 25 can be formed as cyclic annular, and locating piece 25 can be clamped with housing in the end of connecting shaft 24 and with connecting shaft 24, positioning
Part 25 or positioning pin, the connecting shaft 24 outside sliding block 23 can be equipped with through-hole, and positioning pin can be threaded through through-hole
Interior, positioning pin can be connect with 24 interference of part connecting shaft corresponding to through-hole.Further, connecting shaft 24 can be piston
Pin.Further, bearing shell 26 can be equipped between connecting shaft 24 and connecting rod 22, bearing shell 26 is coated at connecting shaft 24, bearing shell 26
It is threaded through in through hole.Wearability between connecting shaft 24 and connecting rod 22 and gearing can be improved in bearing shell 26 as a result, can be with
For connecting, support link 22.
As shown in Fig. 1, Fig. 5-Fig. 7, according to some embodiments of the present invention, driving part 30 may include motor 31, defeated
Enter gear 32 and output gear 33.Input gear 32 is located on the motor shaft 310 of motor 31 output to be driven and be rotated by motor 31
Gear 33 is engaged with input gear 32, and one end of crank 21 is located on output gear 33 to be driven and be rotated by output gear 33.It can
With understanding, motor 31 can be rotated with drive motor shaft 310, and input gear 32 can be set on motor shaft 310, so as to
To rotate with motor shaft 310, the groove of output gear 33 can be engaged with the groove of input gear 32, as a result, input gear
32 rotation can drive output gear 33 to rotate in turn, and one end of crank 21 can be connect with output gear 33, and crank 21 can
To rotate with output gear 33, the effect of input gear 32 and output gear 33 is deceleration torque increase.
Further, there is flat key 320, flat key 320 can be used for transmitting motor between motor shaft 310 and input gear 32
Torque between axis 310 and input gear 32.Flat key is by two sides as working face, by the extruding of key and key slot side
To transmit the key of torque.Flat key is divided into plain edition flat key, type thin flat key, three kinds of guidance type flat key.Plain edition flat key is good to neutrality,
Positioning accuracy is high, folding is convenient, but cannot achieve the axial restraint of parts on shaft, for high speed or absorbs impact, varying load
Axis；Type thin flat key is for thin-wall construction and the transmitting lesser place of torque；Guidance type flat key is fixed on key on axis with screw, uses
In the occasion little along axis amount of movement of the part on axis.
It should be noted that being not especially limited for input gear 32 and the dimensions of output gear 33, in this hair
In bright some embodiments, the diameter of input gear 32 is less than the diameter of output gear 33.It is understood that input gear 32
Dimensions it is small relative to the dimensions of output gear 33, the revolving speed of output gear 33 is less than the revolving speed of input gear 32.
Thus, it is possible to reduce turn for passing to crank 21 of motor 31 using the mating reaction of input gear 32 and output gear 33
Speed, input gear 32 and output gear 33 can be used as deceleration component.It is possible to further by the way that crank 21 is connected to output
To realize the different rotational angular velocity of crank 21 at the different location of gear 33.
As shown in Figure 1, vehicle according to an embodiment of the present invention, including car body, pedal 2, pedal sense simulator 1 and detection dress
Set 4.Car body is equipped with electronic control unit 3, and pedal 2 is rotatably arranged on car body.Pedal sense simulator 1 is according to institute as above
The pedal sense simulator 1 stated.Shell 10 is set on the car body, and mobile putter 40 is connected with pedal 2, driving part 30 and electronic control
Unit 3 is connected.Detection device 4 can be used for detecting the stroke of pedal 2, and detection device 4 is connected with electronic control unit 3.
When vehicle needs to brake, driver's pushes pedals 2, detection device 1 passes to electricity after detecting the stroke of pedal 2
Sub-control unit 3, electronic control unit 3 can control the revolving speed of motor 31 in turn, to be formed accordingly to mobile putter 40
Power-assisted, and pedal 2 is passed to, feel to form pedal brake to driver.
Vehicle according to an embodiment of the present invention, it is comprehensive to slider-crank mechanism 20 using driving part 30 and the first elastic component 50
Joint force simultaneously passes to mobile putter 40, and pedal simulated behavior is come out, and can satisfy pedal characteristic is nonlinear need
It asks.Wherein, elastic force is generated after 50 compressive deformation of the first elastic component can provide based-pedal counter-force for pedal 2 indirectly, protect
Card braking system works " brake feel " of real-time pedal 2, and driving part 30 and the first elastic component 50 can provide target together
Pedal force, the remainder between compensated foundation pedal force and target pedal force.Pedal brake feels that driver steps on pedal 2
Feedback obtains removing intermediate variable (such as hydraulic, air pressure) afterwards, by using the pedal in purely mechanic mechanism analog driving conditions
Sense, so as to improve the response speed and mechanical performance of motor vehicle braking system.
Further, electronic control unit 3 can be ECU (Electronic Control Unit) electronic control unit,
Also known as " car running computer ", " vehicle-mounted computer " etc..It is then automobile specified microcomputerized controller from purposes.It and common computer one
Sample, by microprocessor (CPU), memory (ROM, RAM), input/output interface (I/O), analog-digital converter (A/D) and whole
The large scale integrated circuits such as shape, driving composition.Exactly " brain that ECU is exactly automobile " is described with a simple simon says.Detection
Device 4 can be sensor.Sensor can experience measured information, and the information that can will be experienced, and become according to certain rules
It changes into as electric signal or the information of form needed for other exports, to meet transmission, processing, storage, display, record and the control of information
System etc. requires.
The voltage power supply range of ECU is generally in 6.5-16V (internal key aspect has stable-pressure device), operating current in 0.015-
0.1A, operating temperature are at -40 DEG C~80 DEG C.1000Hz vibration below can be born, therefore the probability of ECU damage is very small,
CPU is core in ECU, it has the function of operation and control, and at runtime, it acquires the letter of each sensor to engine
Number, operation is carried out, and the result of operation is changed into control signal, controls the work of controlled device.It is also carried out to memory
The control of (ROM/FLASH/EEPROM, RAM), input/output interface (I/O) and other external circuits；It is stored in memory ROM
Program be through accurately calculating with many experiments obtain data based on write out, this intrinsic program is in engine
When work, the signal of each sensor constantly come with acquisition is compared and calculates.The result for comparing and calculating be used to pair
The control of the multiple parameters such as igniting, air-fuel ratio, idling, the exhaust gas recycling of engine.
Pedal sense simulator 1 according to an embodiment of the present invention is described in detail below with reference to Fig. 1-Fig. 7.It is worth understanding,
It is described below to be merely illustrative, rather than to concrete restriction of the invention.
As shown in Fig. 1-Fig. 7, the pedal sense simulator 1 of vehicle according to an embodiment of the present invention, vehicle includes pedal 2, is stepped on
Plate sense simulator 1 includes shell 10, slider-crank mechanism 20, driving part 30, mobile putter 40, the first elastic component 50, spring
The 60, second elastic component 70 of seat, dust cover 80, link assembly 90 and installation shell 100.
Specifically, shell 10 can be formed as barrel-like structure as shown in Fig. 2, Fig. 4 and Fig. 7, shell 10 has open end
11 and closed end 12, open end 11 has choke 111, and the bore of choke 111 is less than the aperture at 10 middle part of shell, closed end
12 have the central through hole 121 of perforation, and sliding block 23 is located in shell 10.
As shown in Fig. 2, Fig. 4 and Fig. 7, installation shell 100 can be formed as cylindrical, and installation shell 100, which is equipped with, to be opened wide
Mouth 110, open ports 110 are connect with the open end 11 of shell, and the inside of installation shell 100 is connected to the inside of shell 10.Driving
Component 30 is located in installation shell 100, and driving part 30 may include motor 31, input gear 32 and output gear 33.Motor
31 have motor shaft 310, and input gear 32 is located on the motor shaft 310 of motor 31 to be driven and be rotated by motor 31, output gear
33 engage with input gear 32, and the diameter of input gear 32 is less than the diameter of output gear 33.
As shown in Figure 5, Figure 7, one end of crank 21 is connect with output gear 33, the other end of crank 21 and the one of connecting rod 22
End is pivotably connected, and the other end of connecting rod 22 protrudes into shell 10 from open end 11, and connecting rod 22 can shuttle in installation shell
100 are located in installation shell 100 with the junction of shell 10, a part of connecting rod 22, and another part of connecting rod 22 is located at shell
In 10.
As shown in Fig. 1, Fig. 6, driving part 30 can also include bearing assembly 200, and bearing assembly 200 includes two bearings
210, two bearings 220 of seat and shaft 230, two bearing blocks 210 are threaded through on installation shell 100, and two bearing blocks 210 are symmetrical
Distribution, each bearing block 210 is interior to be equipped with a bearing 220, and two bearings 220 distinguish housings in the both ends of shaft 230, output gear
Wheel 33 is set in shaft 230.Bearing assembly 200 can be used for supporting output gear 33, and bearing block 210 can be with spring bearing
220, bearing 220 is used to support shaft 230, keeps the normal operation position and running accuracy of shaft 230, reduces shaft 230
The effects of friction loss, bearing block 210 can also play sealing, dust-proof, waterproof with the installation cooperation of shell 100.
As shown in fig. 7, sliding block 23 can be formed as tubular closed at one end, and closed one end has the convex block of annular
231, annular lug 231 extends along the circumferential direction of tubular sliding block 23, and a part for protruding into the connecting rod 22 in shell 10 can be with
It is protruded into inside sliding block 23 from the open one end of sliding block 23, the end for protruding into the connecting rod 22 of sliding block 23 can be equipped with through hole, run through
Hole can penetrate through connecting rod 22, and connecting shaft 24 can be equipped in through hole, and the both ends of connecting shaft 24 can extend to perforation sliding block
23 peripheral wall, locating piece 25 can be two, and two locating pieces 25 can fix two ends of a connecting shaft 24 respectively.It is fixed
Position part 25 can be formed as cyclic annular, and locating piece 25 can be clamped with housing in the end of connecting shaft 24 and with connecting shaft 24.First bullet
Property part 50 is located in shell 10, and the first elastic component 50 can be externally fitted to sliding block 23, and one end of the first elastic component 50 can be with convex block
231 offset, and the other end of the first elastic component 50 can offset with choke 111.The internal perisporium of first elastic component 50 and shell 10
Between there is gap, the first elastic component 50 can be compressed or be stretched, and sliding block 23 can be slided relative to shell 10.Connecting rod 22
Including body part 222 and connecting rod cap 221, body part 222 is connect with connecting rod cap 221 by connecting-rod bolts 223 and connecting rod nut 224
Get up, effect is connecting crank 21 and mobile putter 40, and the straight line that the rotary motion of crank 21 is changed into mobile putter 40 is transported
It is dynamic, while being to act on the power of mobile putter 40 as one of analog element of pedal force using the torque conversion of crank 21.
As Figure 6-Figure 7, one end of mobile putter 40 passes through central through hole 121 and sliding block 23 is equipped with the one of convex block 231
End connection.Link assembly 90 includes the first connector 91, the second connector 92 and adjusting nut 93.Second connector 92 can be set
There is threaded hole, one end of the first connector 91 can be clamped with mobile putter 40, the periphery wall of the other end of the first connector 91
It is equipped with screw thread, the other end of the first connector 91 can be threaded through in threaded hole and be threadedly coupled with the second connector 92, adjust
Nut 93 is set in the other end of the first connector 91, and adjusting nut 93 is threadedly coupled with the first connector 91, adjusting nut 93
Between mobile putter 40 and the second connector 92, the second connector 92 is connect with pedal 2.Crank 21 can bear to act on
The rotary motion of output gear 33 is changed into the linear motion of mobile putter 40 by power.
As shown in figs 2-4, spring base 60 can be located at outside shell 10, and spring base 60 and closed end 12 are opposite, and movement pushes away
Bar 40 can be clamped or be fixedly connected with spring base 60, and the second elastic component 70 is between shell 10 and spring base 60, and second
Elastic component 70 can be externally fitted to mobile putter 40, and one end of the second elastic component 70 can offset with closed end 12, the second elastic component
70 other end can offset with spring base 60.Dust cover 80 can be formed as tubular, and dust cover 80 can be externally fitted to the second bullet
Property part 70, one end of dust cover 80 can be connect with shell 10, and the other end of dust cover 80 can be connect with spring base 60, shell
10, dust cover 80 and spring base 60 can limit chamber, and the second elastic component 70 can be located in the chamber.Dust cover 80 has
Fold, dust cover 80 can stretch on the deformation direction of the second elastic component 70.
In order to improve the effective brake of automobile, the pedal sense simulator 1 of the embodiment of the present invention is with brake-by-wire instead of biography
It unites hydraulic or Pneumatic braking system pedal structure.Brake-by-wire not only has fast response time, control precision height, braking ability
Well, it the features such as flexible arrangement, but also can be integrated with the electronic control unit 3 of vehicle, provide flexibility and changeability for vehicle
Brake force.In the related technology, brake pedal and wheel cylinder are directly connected to by mechanical organs such as fluid pressure lines, and driver steps on
Lower brake pedal makes automobile obtain corresponding brake force.On-line Control is moved in system, due to eliminating brake pedal and brake
Between hydraulic or mechanical connection so that feedback is to the braking reaction on brake pedal when driver can not directly perceive braking
Power causes the brake feel of pedal 2 bad, provides well for driver so as to avoid the brake feel of Conventional braking systems
Brake pedal feel.Brake feel be it is a kind of it is comprehensive feel, it includes the vehicle system that pedal brake feeling, driver experience
The factors such as dynamic deceleration, brake noise acoustically and visual vehicle deceleration, wherein pedal brake feel be
Most important component part.Pedal brake of the invention feels that feedback obtains removing intermediate variable after driver steps on pedal 2
(such as hydraulic, air pressure), with the pedal sense in purely mechanic mechanism analog driving conditions, to improve the sound of motor vehicle braking system
Answer speed and mechanical performance.
The working principle of pedal sense simulator 1 are as follows: the design object of pedal force is by elastic component and certain control method
Pedal simulated behavior is come out.Since elastic component has a linear characteristic mostly, and pedal characteristic sometimes for be it is nonlinear,
Therefore the method simulation pedal reaction force that the pedal sense simulator 1 of the embodiment of the present invention is combined using elastic component with motor 31, i.e.,
Using the elastic force of elastic component and the driving force of motor 31 come comprehensive simulation pedal force.The first elastic component 50 in the embodiment of the present invention
It is that (the first elastic component 50 is in confined state or will be by compression shape to Parallel Design under original state with the second elastic component 70
State, the first elastic component 50 and the second elastic component 70 are series design).The driving force of motor 31 is direct by slider-crank mechanism 20
It acts on mobile putter 40, so 2 rigidity of pedal of pedal sense simulator 1 is adjustable, the first elastic component 50 and second
Elastic component 70 provides based-pedal counter-force, guarantees that braking system works " brake feel " of real-time pedal 2, motor 31, the first bullet
Property part 50 and the second elastic component 70 provide target pedal force, the remainder between compensated foundation pedal force and target pedal force together
Point.Relationship between first elastic component 50 and the second elastic component 70 and motor 31 is, when motor 31, input gear 32, output gear
Wheel 33, slider-crank mechanism 20 etc. break down, and when can not move, the first elastic component 50 and the second elastic component 70 still can be transported
It is dynamic, pedal 2 can be perceived by detection device 4 and acted, continue to implement effective brake, keep normal braking function.
In vehicle operation, when driver needs to be implemented braking function, driver steps on pedal 2, mobile putter 40
(left side as shown in Figure 1) moves to the left, (left side as shown in Figure 1) second elastic component of motion compresses 70 to the left of push the spring seat 60,
Initial pedal travel S1 is completed, during S1, the braking stiffness of pedal sense simulator 1 is K1.Then, mobile putter 40 after
Continuous (left side as shown in Figure 1) to the left moves, and pushes (left side as shown in Figure 1) first elastic component of motion compresses 50 to the left of sliding block 23,
Main pedal travel S2 is completed, the rigidity of pedal sense simulator 1 is K2 during S2.Due to the second elastic component 70 and the first bullet
Property part 50 compressive deformation, cause mobile putter 40 by opposition, motor 31 passes through input gear 32 and output gear
33 mating reaction, increment drive slider-crank mechanism 20 after slowing down, and provide power-assisted to mobile putter 40, reduce mobile putter 40
The opposition being subject to makes mobile putter 40 obtain suitable opposition, which is brake pedal force,
To simulate the target value of pedal force and pedal travel.When driver's pushes pedals feel partially soft or partially hard, Ke Yitong
The movement that electronic control unit 3 changes motor 31 is crossed, and then changes the stress of mobile putter 40, obtains driver more good
Pedal sense.When the first elastic component 50 or motor 31 because certain reason breaks down, when can not move, the second elastic component 70 still may be used
With movement, pedal travel can detecte by detection device 4, continue to implement braking, keep braking function.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of pedal sense simulator of vehicle, the vehicle includes pedal, which is characterized in that the pedal sense simulator packet
It includes:
Shell；
Slider-crank mechanism, the slider-crank mechanism include crank, connecting rod and sliding block, the both ends of the connecting rod respectively with it is described
Crank is connected with the sliding block, and the sliding block is located in the shell with being reciprocally moveable；
Driving part, the driving part are connected to drive the crank to rotate with one end of the crank；
Mobile putter, one end of the mobile putter and the sliding block cooperate to drive the sliding block mobile, the mobile putter
The other end be suitable for be connected with the pedal；
First elastic component, first elastic component are located in the shell, and the first end of first elastic component is positioned at described
Shell, the second end of first elastic component and the sliding block cooperate.
2. the pedal sense simulator of vehicle according to claim 1, which is characterized in that further include spring base and the second elasticity
Part, the spring base is located at the outside of the shell and the spring base is located on the mobile putter with the mobile putter
Mobile, the both ends of second elastic component are only against on the shell and the spring base respectively.
3. the pedal sense simulator of vehicle according to claim 2, which is characterized in that it further include telescopic dust cover,
The outside of second elastic component and the both ends of the dust cover, which are covered on, outside the dust cover is respectively provided at the spring base and institute
It states on shell.
4. the pedal sense simulator of vehicle according to claim 1, which is characterized in that further include length-adjustable connection rod set
Part, the both ends of the link assembly are connected with the other end of the mobile putter and the pedal respectively.
5. the pedal sense simulator according to claim 4 for vehicle, which is characterized in that the link assembly includes:
The first end of first connector, first connector is connected with the mobile putter, and the second of first connector
End is equipped with external screw thread；
Second connector, the first end housing of second connector on first connector and with the external screw thread screw thread
Cooperation, the second end of second connector are suitable for being connected with the pedal；
Adjusting nut, the adjusting nut housing are threadedly engaged on first connector and with the external screw thread.
6. the pedal sense simulator according to claim 1 for vehicle, which is characterized in that further include installation shell, institute
It states installation shell to be located on the shell, the driving part is located in the mounting shell body.
7. the pedal sense simulator according to claim 1 for vehicle, which is characterized in that the sliding block is hollow,
The connecting rod is extend into the sliding block, and the slider-crank mechanism further includes connecting shaft and locating piece, and the connecting shaft is worn
On the connecting rod and the sliding block, the stretching institute of the locating piece and the connecting shaft are stretched out at least one end of the connecting shaft
The end cooperation of sliding block is stated to position on the slide block the connecting shaft.
8. the pedal sense simulator of vehicle described in any one of -7 according to claim 1, which is characterized in that the driving part
Include:
Motor；
Input gear, the input gear are located on the motor shaft of the motor to be rotated by the motor driven；
Output gear, the output gear are engaged with the input gear, and one end of the crank is located on the output gear
It is rotated with being driven by the output gear.
9. the pedal sense simulator of vehicle according to claim 8, which is characterized in that the diameter of the input gear is less than
The diameter of the output gear.
10. a kind of vehicle characterized by comprising
Car body, the car body are equipped with electronic control unit；
Pedal, the pedal are rotatably arranged on the car body；
Pedal sense simulator, the pedal sense simulator be according to pedal sense simulator of any of claims 1-9,
The shell is located on the car body, and the mobile putter is connected with the pedal, the driving part and the electronic control
Unit is connected；
For detecting the detection device of the stroke of the pedal, the detection device is connected with the electronic control unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030882.4A CN110027532B (en) | 2018-01-12 | 2018-01-12 | Pedal sense simulator of vehicle and vehicle with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810030882.4A CN110027532B (en) | 2018-01-12 | 2018-01-12 | Pedal sense simulator of vehicle and vehicle with same |
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| CN110027532A true CN110027532A (en) | 2019-07-19 |
| CN110027532B CN110027532B (en) | 2021-10-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023055132A1 (en) * | 2021-09-29 | 2023-04-06 | 주식회사 만도 | Pedal simulator |
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| US20050145057A1 (en) * | 2003-09-04 | 2005-07-07 | Noboru Fujiwara | Apparatus for applying a reaction force to a pivotally supported pedal member upon depression thereof |
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| CN110027532B (en) | 2021-10-22 |
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