CN110027531A - For the pedal sense simulator of vehicle and with its vehicle - Google Patents
For the pedal sense simulator of vehicle and with its vehicle Download PDFInfo
- Publication number
- CN110027531A CN110027531A CN201810030775.1A CN201810030775A CN110027531A CN 110027531 A CN110027531 A CN 110027531A CN 201810030775 A CN201810030775 A CN 201810030775A CN 110027531 A CN110027531 A CN 110027531A
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- Prior art keywords
- motor
- pedal
- push rod
- elastic component
- vehicle
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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
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
- Regulating Braking Force (AREA)
- Mechanical Control Devices (AREA)
Abstract
The invention discloses a kind of pedal sense simulator for vehicle and with its vehicle, vehicle includes pedal, and pedal sense simulator includes: shell;Linear motor, linear motor includes electric motor primary, motor secondary and motor push rod, electric motor primary is fixed on the inner wall of shell, motor secondary is located in electric motor primary, motor secondary and electric motor primary cooperate so that the opposite electric motor primary of motor secondary is axially movable, motor secondary housing drives motor push rod synchronizing moving on motor push rod, and the first end of motor push rod stretches out shell and is suitable for being connected with pedal;For applying the elastic component of elastic force to motor push rod.Pedal sense simulator according to the present invention for vehicle, fast response time have good braking effect, while can provide good " brake feel " for driver, and especially pedal brake is felt.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly, to a kind of pedal sense simulator for vehicle and with its
Vehicle.
Background technique
In the related technology, the pedal in vehicle mainly uses hydraulic gear or pneumatic drive mechanisms to carry out power transmission,
To realize the braking of vehicle.But using the response speed of the braking system of hydraulic gear or pneumatic drive mechanisms compared with
Slowly, poor stop brings big inconvenience to the practical operation of driver.
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 use
In the pedal sense simulator of vehicle, the pedal sense simulator fast response time, there is good braking effect, while can be
Driver provides good " brake feel ", and especially pedal brake is felt.
The present invention also proposes a kind of vehicle with above-mentioned pedal sense simulator.
The pedal sense simulator for vehicle of embodiment according to a first aspect of the present invention, the vehicle includes pedal, institute
Stating pedal sense simulator includes: shell;Linear motor, the linear motor include electric motor primary, motor secondary and motor push rod,
The electric motor primary is fixed on the inner wall of the shell, and the motor secondary is located in the electric motor primary, the motor
Grade cooperates with the electric motor primary so that the opposite electric motor primary of motor secondary is axially movable, the motor secondary housing
To drive the motor push rod synchronizing moving on the motor push rod, the first end of the motor push rod stretch out the shell with
Suitable for being connected with the pedal;For applying the elastic component of elastic force to the motor push rod.
Pedal sense simulator according to an embodiment of the present invention for vehicle passes through setting linear motor and elastic component, bullet
Property part elastic force can be applied to motor push rod and motor push rod application can be acted on providing based-pedal counter-force, motor secondary
Power allows pedal sense simulator to provide pedal optimal target pedal reaction force to provide balancing force, thus optimal mesh
It is mutually matched between mark pedal reaction force, pedal brake power and the operating status of real vehicle, and then when pedal sense simulator is applied to vehicle
When middle, brake signal can be transmitted using electric signal, signal transmitting is rapidly, braking response is fast, is quick on the draw, while can be
Driver provides good " brake feel ", and especially pedal brake is felt, so that " brake feel " more meets the impression of human body,
To improve vehicle braking system braking effect (such as shorten braking response time, brake force more reasonable) and drive
The brake feel for the person of sailing by;It is configured by the elastic characteristic line to elastic component, so that the elastic characteristic line of elastic component is closer
The elastic force of pedal aim curve, i.e. elastic component is closer to optimal target pedal reaction force, it is easier to reach design requirement, thus
The burden of linear motor is alleviated, and the regulation of pedal brake feeling may be implemented, such as can change optimal target and step on
Plate counter-force requires the difference of " brake feel " to meet different drivers, easy to adjust;The globality of pedal sense simulator
By force, it can be achieved that modularized design, facilitates production and transport and install and use.
According to some embodiments of the present invention, the elastic component is located in the shell and the both ends of the elastic component are distinguished
Only it is against the inner wall of the shell and the second end of the motor push rod.
According to some embodiments of the present invention, the inner wall of the shell is equipped with the first installation protrusion, the elastic component
One end housing is fixed in the first installation protrusion.
According to some embodiments of the present invention, the second end of the motor push rod is equipped with the second installation protrusion, the elasticity
The other end housing of part is fixed in the second installation protrusion.
According to some embodiments of the present invention, the pedal sense simulator further includes length-adjustable link assembly, described
The both ends of link assembly are connected with the first end of the motor push rod and the pedal respectively.
According to some embodiments of the present invention, the link assembly includes: first connecting rod, and the of the first connecting rod
One end is connected with the first end of the motor push rod, and the second end of the first connecting rod is equipped with external screw thread;Second connecting rod, institute
The first end housing of the second connecting rod is stated on the first connecting rod and is threadedly engaged with the external screw thread, second connection
The second end of bar is suitable for being connected with the pedal;Adjusting nut, the adjusting nut housing on the first connecting rod and with
The external screw thread is threadedly engaged.
According to some embodiments of the present invention, the first end of the motor push rod is equipped with mating groove, and the cooperation is recessed
The inner wall of slot is equipped with spherical, and one end of the link assembly is formed as spherical auxiliary section, and the spherical auxiliary section is extend into
In the mating groove and with the spherical face contact, the motor push rod is equipped with for the spherical auxiliary section to be located in
Locating piece in the spherical.
According to some embodiments of the present invention, the locating piece is located in the mating groove and the locating piece housing exists
On link assembly, the locating piece is only against on the periphery wall of the spherical auxiliary section and the inner wall of the mating groove respectively.
According to some embodiments of the present invention, the shell includes: the open Master cylinder body in two sides, and the electric motor primary is fixed
On the inner wall of the Master cylinder body;Bottom cover, the bottom cover are located at the wherein side that the Master cylinder body is closed on the Master cylinder body
Open ports, the elastic component are only against on the bottom cover;Fixed plate, the fixed plate are located on the Master cylinder body described in closing
The first end of the other side open ports of Master cylinder body, the motor push rod is pierced by the fixed plate.
According to some embodiments of the present invention, the periphery wall of the fixed plate is located at the outer of the periphery wall of the Master cylinder body
Side.
The vehicle of embodiment according to a second aspect of the present invention, 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 are according to the present invention
The pedal sense simulator of above-mentioned first aspect embodiment, the shell are located on the car body, the first end of the motor push rod
It is connected with the pedal, the linear motor is connected with the electronic control unit;For detecting the displacement of the motor push rod
The displacement detector of amount, institute's displacement sensing device are connected with the electronic control unit;For detecting the motor push rod
First end bearing capacity pressure-detecting device, the pressure-detecting device is connected with the electronic control unit.
Vehicle according to an embodiment of the present invention can form electronics in vehicle by using above-mentioned pedal sense simulator
Mechanical layout, without arranging fluid pressure line etc., flexible arrangement facilitates the integrally-built arrangement of vehicle, while reducing vehicle
Quality, improve the braking effect of the braking system of vehicle and the brake feel of driver by realizing the electric braking of vehicle.Its
In, pedal sense simulator may be mounted under the floor of car body, and the simulator of pedal sense at this time will not occupy cockpit and engine
The space in cabin has further facilitated the integrally-built arrangement of vehicle, has improved the comfort of vehicle.
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 schematic diagram of pedal sense simulator according to an embodiment of the present invention;
Fig. 2 is the partial sectional view of pedal sense simulator shown in Fig. 1;
Fig. 3 is the enlarged drawing in the portion A that Fig. 2 centre circle shows;
Fig. 4 is the enlarged drawing in the portion B that Fig. 2 centre circle shows;
Fig. 5 is the assembling schematic diagram between pedal sense simulator and pedal shown in Fig. 1;
Fig. 6 is the enlarged drawing in the portion C that Fig. 5 centre circle shows;
Fig. 7 is the explosive view of pedal sense simulator shown in Fig. 5;
Fig. 8 is the assembling schematic diagram between pedal sense simulator and pedal in accordance with another embodiment of the present invention;
Fig. 9 is the assembling schematic diagram between the pedal sense simulator of further embodiment according to the present invention and pedal.
Appended drawing reference:
Pedal sense simulator 100, pedal 101, limiting section 101a, only arrived piece 101b, roller wheel shaft 101c,
Support 102, support shaft 102a,
Shell 1, bracket 10, rack shaft 10a, the first fixing piece 10a, the second fixing piece 10b, third fixing piece 10c,
Master cylinder body 11, first connecting portion 111, bottom cover 12, bottom cover sealing ring 120, the first holding tank 12a,
First installs raised 121, second connecting portion 122, third installs protrusion 123,
Fixed plate 13, fixed plate sealing ring 130, the second holding tank 13a,
Linear motor 2, electric motor primary 21, motor secondary 22, motor push rod 23, locating piece 230,
The first end 23a of motor push rod, the second end 23b of motor push rod, mating groove 231, spherical 231a,
Second installation protrusion 232, escape groove 232a, mounting screw 232b, stopper section 233,
Elastic component 3, the first elastic component 31, the second elastic component 32,
Link assembly 4, spherical auxiliary section 40, connecting rod shaft 40a,
First connecting rod 41, the first end 41a of first connecting rod, the second end 41b of first connecting rod, external screw thread 411,
Second connecting rod 42, the first end 42a of the second connecting rod, the second connecting rod second end 42b,
Interconnecting piece 421, threaded portion 422, adjusting nut 43.
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 ", " longitudinal direction ", " transverse direction ", " length ", "upper",
"lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " diameter
To ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, defining the feature of " first ", " second "
It can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " more
It is a " it is meant that 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.
The pedal sense simulator for vehicle of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 9
100。
As shown in figs. 1-9, the pedal sense simulator 100 according to an embodiment of the present invention for vehicle, vehicle include stepping on
Plate 101, pedal sense simulator 100 include shell 1, linear motor 2 and elastic component 3.
Linear motor 2 includes electric motor primary 21, motor secondary 22 and motor push rod 23, and electric motor primary 21 is fixed on shell 1
Inner wall on, motor secondary 22 is located in electric motor primary 21, and motor secondary 22 and electric motor primary 21 cooperate so that motor secondary
22 opposite electric motor primaries 21 are axially movable, and 22 housing of motor secondary drives motor push rod 23 is synchronous to move on motor push rod 23
Dynamic, the first end 23a of motor push rod stretches out shell 1 and is suitable for being connected with pedal 101.Elastic component 3 is for applying motor push rod 23
Add elastic force.
For example, as shown in figs. 1-9, shell 1, which can be generally formed into tubular structure and shell 1, can limit receiving
Space, electric motor primary 21 and motor secondary 22 can be respectively positioned in accommodation space, and electric motor primary 21 is fixed on shell 1 to support
Shell 1 is further ensured that the strength and stability of shell 1, motor push rod 23 can be threaded through on shell 1, so that motor push rod
23 a part is located in accommodation space, another part of motor push rod 23 is located at outside accommodation space.
Electric motor primary 21 and motor secondary 22 can be all formed as cyclic structure, motor push rod 23, motor secondary 22 and electricity
Machine primary 21 can be set gradually from inside to outside, that is to say, that motor secondary 22 is set in outside motor push rod 23 and electric motor primary
21 are set in outside motor secondary 22, and wherein motor secondary 22 can be fixed on motor push rod 23 and electric motor primary 21 and motor
Secondary 22 internal and external partitions setting, interacts between electric motor primary 21 and motor secondary 22, allows motor secondary 22 along straight
Line motor 2 is moved axially with respect to electric motor primary 21, so that motor secondary 22 can drive 23 synchronizing moving of motor push rod.Directly
Line motor 2 has many advantages, such as that compact-sized, power loss is small, reaction speed is fast, registration, noise is small, the service life is long.
When vehicle needs to brake, motor push rod 23 is along the axial movement of linear motor 2, motor push rod 23 can compress bullet
Property part 3, allow elastic component 3 to apply elastic force, and the first end 23a of motor push rod and 101 phase of pedal to motor push rod 23
Even, elastic component 3 is allowed to provide based-pedal counter-force.
When pedal sense simulator 101 be applied to vehicle in when, when vehicle needs to brake, driver step on pedal will drive
The pedal force of member is transferred to linear motor 2 and elastic component 3 by motor push rod 23, and elastic component 3 can apply motor push rod 23
Elastic force guarantees " brake feel " of pedal when braking system work to provide based-pedal counter-force;And the detection dress on vehicle
Setting such as sensor can detecte the size of pedal force, the mobile displacement of motor push rod 23 or motor secondary 22, motor push rod
23 or motor secondary 22 the parameters such as movement speed size, and will test the electronic control unit that result is transferred to vehicle
(Electronic Control Unit, ECU) is to analyze testing result, so that it is anti-to calculate optimal target pedal
Power and linear motor 2 need balancing force to be offered, and linear motor 2 needs balancing force to be offered anti-for optimal target pedal
Difference between power and based-pedal counter-force, optimum results are transferred to linear motor 2, linear motor by electronic control unit at this time
2 reception signals to interact between electric motor primary 21 and motor secondary 22, allow motor secondary 22 to motor push rod
23 apply corresponding balancing force, and the sum of based-pedal counter-force and balancing force are to form optimal target pedal reaction force, optimal mesh
Mark pedal reaction force acts on motor push rod 23 to be matched with the operating status with real vehicle, so as to promote driver's pedal
When pedal sense effect, the operational comfort of driver can be promoted;Electronic control unit can be according to optimal target simultaneously
Pedal reaction force and the operating status and real-time road etc. for combining real vehicle, analysis obtain final braking scheme, and by corresponding signal
Executing agency is transferred to realize the braking of vehicle.
Here, it should be noted that " brake feel " is a kind of comprehensive feeling, it may include that pedal brake is felt, driven
Vehicle braking deceleration, brake noise acoustically and visual vehicle deceleration that the person of sailing experiences etc., wherein pedal
Brake feel is most important component part.
Pedal sense simulator 100 according to an embodiment of the present invention for vehicle passes through setting linear motor 2 and elastic component
3, elastic component 3 can apply elastic force to motor push rod 23 can push away motor with providing based-pedal counter-force, motor secondary 22
Bar 23 applies active force to provide balancing force, and pedal sense simulator 100 is allowed to provide pedal 101 optimal target pedal
Counter-force to be mutually matched between optimal target pedal reaction force, pedal brake power and the operating status of real vehicle, and then works as pedal
When sense simulator 100 is applied in vehicle, brake signal can be transmitted using electric signal, signal transmitting is rapid, braking response is fast,
It is quick on the draw, while good " brake feel " can be provided for driver, especially pedal brake is felt, so that " brake feel
Feel " more meet the impression of human body, to improve the braking effect of the braking system of vehicle (such as when shortening braking response
Between, brake force it is more reasonable) and driver brake feel by;It is configured by the elastic characteristic line to elastic component 3, so that bullet
The elastic characteristic line of property part 3 closer to pedal aim curve, i.e. elastic component elastic force closer to optimal target pedal reaction force,
Design requirement is more easily reachd, to alleviate the burden of linear motor 2, and the regulation of pedal brake feeling may be implemented,
Such as can change optimal target pedal reaction force, the difference of " brake feel " is required to meet different drivers, is adjusted
It is convenient;The globality of pedal sense simulator 100 is strong, it can be achieved that modularized design, facilitates production and transport and install and use.
In some alternative embodiments of the invention, elastic component 3 is located in shell 1 and the both ends of elastic component 3 are only supported respectively
In the inner wall of shell 1 and the second end 23b of motor push rod.For example, elastic component 3 is one, the bullet in the example of Fig. 1-Fig. 7
Property part 3 both ends only supported with the second end 23b phase of the inner wall of shell 1 and motor push rod respectively, when vehicle needs to brake, motor pushes away
When bar 23 is along the axial movement of linear motor 2, between the second end 23b of motor push rod and the inner wall of above-mentioned shell 1 it is axial away from
From changing, elastic component 3 applies elastic force to motor push rod 23 to provide based-pedal counter-force, and structure is simple, is easily achieved.
In another example in the example of fig. 8, elastic component 3 is two, two elastic components 3 are located at the axial same of electric motor primary 21
Side, each elastic component 3 are respectively positioned between the second end 23b of motor push rod and the bottom wall of shell 1, the both ends point of each elastic component 3
It is not matched with the inner wall of the second end 23b of motor push rod, shell 1, thus when vehicle needs to brake, motor push rod 23 is along straight line
When the axial movement of motor 2, the axial distance between the second end 23b of motor push rod and the inner wall of above-mentioned shell 1 changes,
At least one of two elastic components 3 can apply elastic force to motor push rod 23 to provide based-pedal counter-force.Pass through as a result,
Two are set by elastic component 3, improves the diversity of 3 elastic characteristic line of elastic component, further such that the elasticity of elastic component 3 is special
Property line further reduces the burden of linear motor 2, and its in two elastic components 3 closer to optimal target pedal reaction force
In any one elastic component 3 when breaking down, another elastic component 3 can continue to provide elastic force to guarantee pedal sense simulator
100 normal operation improves the safety coefficient of elastic component 3, ensure that the use reliability of pedal sense simulator 100, guarantees
The safety of driver.Here, it should be noted that " cooperation " can refer to cooperation indirectly or directly cooperation, such as " elastic component 3
Both ends matched respectively with the second end 23b of the inner wall of shell 1 and motor push rod " can for elastic component 3 both ends respectively with
The inner wall of shell 1 and the second end 23b phase of motor push rod are only supported or one end of elastic component 3 and the inner wall and motor of shell 1 push away
One of in the second end 23b of bar mutually only support, another in the second end 23b of the inner wall of another end housing 1 and motor push rod
Outer interval setting.
Specifically, as shown in figure 8, the both ends of each elastic component 3 in two elastic components 3 respectively with the inner wall of shell 1,
The second end 23b of motor push rod cooperates, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, two
The both ends of at least one of a elastic component 3 are only supported with the second end 23b phase of the inner wall of shell 1, motor push rod respectively, to drive
When the person's of sailing pushes pedals 101, it is anti-to provide based-pedal that at least one elastic component 3 can apply elastic force to motor push rod 23
Power.For example, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, in two elastic components 3 wherein
One both ends is only supported with the second end 23b phase of the inner wall of shell 1, motor push rod respectively, another in two elastic components 3
One end can with one of them in the inner wall of shell 1 and the second end 23b of motor push rod only support, the other end can be with shell
Another interval setting in 1 inner wall and the second end 23b of motor push rod, driver start pushes pedals 101 and make electricity
Machine push rod 23 along linear motor 2 axial direction move, in two elastic components 3 it is above-mentioned one of them to motor push rod 23 application
Elastic force, when motor push rod 23 is moved to so that another the above-mentioned both ends in two elastic components 3 are respectively and in shell 1
Wall is only supported with the second end 23b phase of motor push rod, and two elastic components 3 start to work at the same time while applying motor push rod 23 at this time
Add elastic force.For another example when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, two elastic components 3
In each elastic component 3 both ends respectively with the second end 23b phase of the inner wall of shell 1, motor push rod only support, driver starts to trample
Pedal 101 moves motor push rod 23 along the axial direction of linear motor 2, and two elastic components 3 start simultaneously at work, while right
Motor push rod 23 applies elastic force.
Wherein, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, two elastic components 3
State can be arranged according to actual needs.For example, two elastic components 3 can be in nature, (elastic component 3 is not carried out
Precommpression) perhaps two elastic components 3 can be in pre-compressed state or two elastic components 3 one of them be in pre-
Compressive state, another in the raw.
Specifically, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, two elasticity
Part 3 is in nature, at this time the both ends of at least one of two elastic components 3 respectively with the inner wall of shell 1, motor push rod
Second end 23b phase only support;When the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, two bullets
Property part 3 is in pre-compressed state, at this time the both ends of each elastic component in two elastic components 3 respectively with the inner wall of shell 1, electricity
The second end 23b phase of machine push rod is only supported;When the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position,
One of them in two elastic components 3 be in pre-compressed state, another in the raw, it is upper in two elastic components 3
The both ends for stating one of them are only supported with the second end 23b phase of the inner wall of shell 1, motor push rod respectively, at this time in two elastic components 3
Another above-mentioned both ends can only be supported or two with the second end 23b phase of the inner wall of shell 1 and motor push rod respectively
Another above-mentioned one end in elastic component 3 can be with wherein one in the inner wall of shell 1 and the second end 23b of motor push rod
It is a only support, the other end can be arranged with another interval in the inner wall of shell 1 and the second end 23b of motor push rod.But no
It is limited to this.
In other alternative embodiments of the invention, as shown in figure 9, elastic component 3 is two, two elastic components 3 are distinguished
Both ends of one of them in the axial sides of electric motor primary 21, two elastic components 3 respectively with the inner wall and motor of shell 1
The second end 23b of push rod is matched, the both ends of another in two elastic components 3 respectively with motor push rod 23 and electric motor primary
21 match, thus when vehicle needs to brake, motor push rod 23 is along the axial movement of linear motor 2, the second of motor push rod
Axial distance between end 23b and the inner wall of above-mentioned shell 1 changes and the axis between motor push rod 23 and electric motor primary 21
Also changed to distance, at least one of two elastic components 3 can apply elastic force to motor push rod 23 to provide base
Plinth pedal reaction force.As a result, by setting two for elastic component 3, the diversity of 3 elastic characteristic line of elastic component is equally improved,
Further such that the elastic characteristic line of elastic component 3 further reduces linear motor 2 closer to optimal target pedal reaction force
Burden, and when any one elastic component 3 breaks down in two elastic components 3, another elastic component 3 can continue to provide
Elastic force improves the safety coefficient of elastic component 3, ensure that pedal sense mould to guarantee the normal operation of pedal sense simulator 100
The use reliability of quasi- device 100, ensure that the safety of driver;By the way that two elastic components 3 are respectively provided at electric motor primary 21
Axial sides realize the interval setting of two elastic components 3, so that not interfereing with each other between two elastic components 3, mutually indepedent work
Make.But not limited to this.
Specifically, as shown in figure 9, two elastic components 3 are respectively the first elastic component 31 and the second elastic component 32, the first bullet
Property part 31 both ends matched respectively with the second end 23b of the inner wall of shell 1 and motor push rod, the both ends of the second elastic component 32 point
It is not matched with motor push rod 23 and electric motor primary 21, the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial
When position, the both ends of the first elastic component 31 are only supported and second with the second end 23b phase of the inner wall of shell 1 and motor push rod respectively
The both ends of elastic component 32 only supported with motor push rod 23 and 21 phase of electric motor primary respectively or the both ends of the first elastic component 31 respectively with
The inner wall of shell 1 is only supported with the second end 23b phase of motor push rod, and one end of the second elastic component 32 and motor push rod 23 and motor
One of phase in primary 21 is only supported, another interval in the other end and motor push rod 23 and electric motor primary 21 is arranged,
But not limited to this.For example, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, the first elastic component
31 both ends are only supported with the second end 23b phase of the inner wall of shell 1 and motor push rod respectively and the both ends of the second elastic component 32 are distinguished
It is only supported with motor push rod 23 and 21 phase of electric motor primary, driver starts pushes pedals 101 and makes motor push rod 23 along linear motor 2
Axial direction move, the first elastic component 31 and the second elastic component 32 start simultaneously at work, simultaneously to the application bullet of motor push rod 23
Property power.For another example when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, the first elastic component 31
Both ends are only supported with the second end 23b phase of the inner wall of shell 1 and motor push rod respectively, and one end of the second elastic component 32 is pushed away with motor
One of in bar 23 and electric motor primary 21 mutually only support, another in the other end and motor push rod 23 and electric motor primary 21
Interval setting, driver start pushes pedals 101 and motor push rod 23 are moved along the axial direction of linear motor 2, the first bullet
Property part 31 to motor push rod 23 apply elastic force, when motor push rod 23 be moved to so that the second elastic component 32 both ends respectively with electricity
Machine push rod 23 is mutually only supported with electric motor primary 21, and the second elastic component 32 is just started to work, at this time the first elastic component 31 and the second elasticity
Part 32 applies elastic force to motor push rod 23 simultaneously.
Wherein, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, 31 He of the first elastic component
The state of second elastic component 32 can be arranged according to actual needs.For example, the first elastic component 31 and the second elastic component 32 can be equal
(the first elastic component 31 and the second elastic component 32 are without carrying out precommpression) or the first elastic component 31 and the in the raw
Two elastic components 32 can be in pre-compressed state or the first elastic component 31 and the second elastic component 32 one of them be in
Pre-compressed state, another in the raw.
Specifically, when the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, the first elasticity
Part 31 and the second elastic component 32 are in nature, at this time at least one of the first elastic component 31 and second elastic component 32
Both ends are mutually only supported with the component of pedal sense simulator 100 respectively, such as the both ends inner wall with shell 1 respectively of the first elastic component 31
With the second end 23b phase of motor push rod only support, the both ends of the second elastic component 32 respectively with 21 phase of motor push rod 23 and electric motor primary
Only support;When the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position, the first elastic component 31 and the second bullet
Property part 32 be in pre-compressed state, at this time 31 both ends of the first elastic component respectively with the component of pedal sense simulator 100 mutually only support,
And second elastic component 32 both ends respectively with the component of pedal sense simulator 100 mutually only support;When the non-pushes pedals 101 of driver,
When pedal sense simulator 100 is in initial position, one of them in the first elastic component 31 and the second elastic component 32 is in precompressed
Contracting state, another in the raw, both ends of at least one of the first elastic component 31 and second elastic component 32 at this time
It is mutually only supported with the component of pedal sense simulator 100 respectively.But not limited to this.
Be understood that but, the number of elastic component 3 and the specific location of elastic component 3 can specifically be set according to the actual situation
Set, and without being limited thereto, when only need to guarantee that vehicle needs to brake, elastic component 3 can apply elastic force to motor push rod 23 to provide
Based-pedal counter-force.For example, elastic component 3 can also be three or three or more.
In some embodiments of the invention, the inner wall of shell 1 is equipped with the first installation protrusion 121, elastic component 3
One end housing is fixed in the first installation protrusion 121.For example, the first installation protrusion 121 can as shown in Fig. 2, Fig. 5, Fig. 8 and Fig. 9
To be located on the bottom wall of shell 1, the first installation protrusion 121 can be protruded by base wall portion towards the direction close to motor push rod 23
It is formed, one end of the neighbouring first installation protrusion 121 of elastic component 3 is set in outside the first installation protrusion 121, at this time elastic component 3
Above-mentioned one end can be adapted with the periphery wall of the first installation protrusion 121, so that the first installation protrusion 121 can be to elastic component
3 are positioned, and avoid the position because of elastic component 3 from changing so that elastic component 3 can not preferably provide elastic force, thus into one
Step ensure that pedal brake is felt.
Further, the second end 23b of motor push rod is equipped with the second installation protrusion 232, and the other end housing of elastic component 3 is solid
It is scheduled in the second installation protrusion 232.For example, in the example of Fig. 2, Fig. 5, Fig. 8 and Fig. 9, the second installation protrusion 232 towards first
Installation protrusion 121 be extended, second installation protrusion 232 can with first installation protrusion 121 be coaxially disposed, elastic component 3 it is remote
One end from the first installation protrusion 121 is set in outside the second installation protrusion 232, and the above-mentioned other end of elastic component 3 can be with second
The periphery wall of installation protrusion 232 is adapted, so that the second installation protrusion 232 can further position elastic component 3.
Wherein, the cross-sectional area of the first installation protrusion 121 can be gradually increased from up to down, the second installation protrusion 232
Cross-sectional area bottom-up can be gradually increased, to facilitate the installation of elastic component 3.For example, the first installation protrusion 121 and the
Two installation protrusions 232 can be formed as round table-like.It is understood that the cross-sectional area of the first installation protrusion 121 can also be certainly
On hold down it is constant, second installation protrusion 232 cross-sectional area can also remain unchanged from up to down, but not limited to this.Example
Such as, in the example of Fig. 2, Fig. 5 and Fig. 9, it can be each formed with groove in the first installation protrusion 121 and the second installation protrusion 232,
With under the premise of protrusion 121 is installed in guarantee first and second installs the positioning action of raised 232 pairs of elastic components 3, reduce the
One installation protrusion 121 and the second installation protrusion 232 with material amount, reduce costs.It is understood that elastic component 3 can be
Spring, but not limited to this.When elastic component 3 is spring, spring can be Hookean spring, nonlinear spring etc., and spring is interior
Diameter can be gradually increased or reduce along constant or along spring the axial direction that axially retains of spring, such as spring can be column
Shape spring or volute spring etc., while the stiffness factor of spring can be identical or not identical.
In addition, when pedal sense simulator 100 is applied in vehicle, when the non-pushes pedals 101 of driver, pedal sense simulation
Device 100 is in initial position, can be arranged according to actual needs at the time of the state and start-up operation of elastic component 31 at this time.Example
Such as, when elastic component 3 is one, when pedal sense simulator 100 is in initial position, elastic component 3 may be at pre-compressed state
Or nature (i.e. elastic component 3 does not carry out precommpression).When elastic component 3 is two, pedal sense simulator 100 is in initial
When position, two elastic components 3 are that pre-compressed state, i.e. two elastic component 3 is in compressive state to produce to motor push rod 23
Raw active force;When driver's pushes pedals 101, two elastic components 3 are worked at the same time.Alternatively, pedal sense simulator 100 is in just
When beginning position, it is nature that one of them in two elastic components 3, which is another in pre-compressed state and two elastic components 3,
State, only one in two elastic components 3 generates active force to motor push rod 23 at this time, in two elastic components 3 it is above-mentioned in addition
One mutually only can support or be spaced with the component of pedal sense simulator 100 it is above-mentioned in setting, such as two elastic components 3
Another only can support or be spaced setting with the second end 23b phase of motor push rod;When pedal sense simulator 100 is in
When another above-mentioned component with pedal sense simulator 100 in initial position and two elastic components 3 mutually only supports, driver
The displacement of pushes pedals 101, pedal 101 is greater than zero, then two elastic components 3 work at the same time, alternatively, working as pedal sense simulator
The parts space setting of 100 above-mentioned another and pedal sense simulator 100 in initial position and two elastic components 3
When, after the displacement that the displacement of pedal 101 reaches its setting value or motor push rod 23 reaches its setting value, two elastic components 3
Just start to work at the same time, and the displacement that the displacement of pedal 101 is not up to its setting value or motor push rod 23 is not up to it and sets
When definite value, only an elastic component 3 works.But not limited to this.
In further embodiment of the present invention, pedal sense simulator 100 further includes length-adjustable link assembly 4, even
The both ends of bar assembly 4 are connected with the first end 23a of motor push rod and pedal 101 respectively.For example, in the example of Fig. 5-Fig. 7, even
Bar assembly 4 can extend in left-right direction, the left end of link assembly 4 (for example, such as left end in Fig. 5) with motor push rod first
23a is held to be connected, the right end (for example, such as right end in Fig. 5) of link assembly 4 is connected with pedal 101, by adjusting link assembly 4
The adjustable pedal 101 of length and the first end 23a of motor push rod between axial distance, thus pedal 101 movement it is identical
Displacement, since the length of connection component 4 is different, so that the deformation quantity of elastic component 3 is different, elastic component 3 is to motor push rod 23
The elastic force of application is different, meets the different demands that different drivers feel pedal brake.
In some embodiments of the invention, as shown in Figure 1 and Figure 5, link assembly 4 include first connecting rod 41,
Second connecting rod 42 and adjusting nut 43, the first end 41a of first connecting rod are connected with the first end 23a of motor push rod, and first connects
The second end 41b of extension bar is equipped with external screw thread 411, and the first end 42a housing of the second connecting rod is on first connecting rod 41 and second
The first end 42a of connecting rod is threadedly engaged with external screw thread 411, and the second end 42b of the second connecting rod is suitable for being connected with pedal 101,
43 housing of adjusting nut is on first connecting rod 41 and adjusting nut 43 is threadedly engaged with external screw thread 411, and adjusting nut 43 can be with
It is close to the first end 42a setting of the second connecting rod, so that adjusting nut 43 can fix the position of the second connecting rod 42 when tightening,
So that the second connecting rod 42 is remained unchanged relative to the position of first connecting rod 41, the length of link assembly 4 is remained unchanged at this time;
When adjusting nut 43 is unscrewed, the first end 42a of the second connecting rod adjusts second by being threadedly engaged with external screw thread 411 and connect
Position of the bar 42 relative to first connecting rod 41, to adjust the length of link assembly 4, structure is simple, is easily achieved.
Specifically, as shown in Figure 1, the second connecting rod 42 may include two spaced interconnecting pieces 421 and be connected to
Threaded portion 422 between one end of two interconnecting pieces 421, two interconnecting pieces 421 are connected with pedal 101, and threaded portion 422 is located at the
It is formed with internal screw thread compatible with above-mentioned external screw thread 411 on the first end 42a of two connecting rods and threaded portion 422, so that second
The first end 42a of connecting rod is threadedly engaged with external screw thread 411.It is understood that the axial length of external screw thread 411 can basis
Actual conditions are specifically arranged.
In some alternative embodiments of the invention, the first end 23a of motor push rod is equipped with mating groove 231, cooperation
The inner wall of groove 231 is equipped with spherical 231a, and one end of link assembly 4 is formed as spherical auxiliary section 40, spherical auxiliary section 40
It extend into mating groove 231 and spherical auxiliary section 40 is contacted with spherical 231a, motor push rod 23 is equipped with that be used for will be spherical
Auxiliary section 40 is located in the locating piece 230 in spherical 231a.For example, cooperating recessed in the example of Fig. 2, Fig. 3, Fig. 5 and Fig. 6
Slot 231 can be recessed by the direction of portion end surface towards the second end 23b close to motor push rod of the first end 23a of motor push rod
It is formed, spherical 231a can be recessed by the direction of internal partial wall towards the second end 23b close to motor push rod of mating groove 231
Enter to be formed, spherical auxiliary section 40 is located at the one end of link assembly 4 being connected with the first end 23a of motor push rod and spherical auxiliary section
40 are adapted with spherical 231a, and spherical auxiliary section 40 can be fixed in spherical 231a by locating piece 230.Pass through as a result,
Cooperation between spherical 231a and spherical auxiliary section 40, and spherical auxiliary section 40 is fixed on by spherical by locating piece 230
In 231a, the bonding strength between link assembly 4 and motor push rod 23 ensure that, while facilitating link assembly 4 and pushing away with motor
Dismounting between bar 23.
Further, as shown in Figure 5 and Figure 6, locating piece 230 is located in mating groove 231 and 230 housing of locating piece is even
In bar assembly 4, locating piece 230 is only against on the periphery wall of spherical auxiliary section 40 and the inner wall of mating groove 231 respectively, spherical to match
Conjunction portion 40 passes through locating piece 230 and is engaged with extending into mating groove 231 with spherical 231a, the company of further ensuring
Bonding strength between bar assembly 4 and motor push rod 23.Wherein, locating piece 230 can be fixedly mounted in mating groove 231,
Such as locating piece 230 can be connected through a screw thread part and be fixedly connected with motor push rod 23, but not limited to this.
In some embodiments of the invention, shell 1 includes the open Master cylinder body 11 in two sides, bottom cover 12 and fixed plate 13,
Electric motor primary 21 is fixed on the inner wall of Master cylinder body 11, and bottom cover 12 is located at the wherein side that Master cylinder body 11 is closed on Master cylinder body 11
Open ports, elastic component 3 are only against on bottom cover 12, and fixed plate 13 is located on Master cylinder body 11 and is opened wide with the other side for closing Master cylinder body 11
Mouthful, the first end 23a of motor push rod is pierced by fixed plate 13.For example, as shown in figs. 1-9, Master cylinder body 11 can be generally formed into
The axial ends of tubular structure, Master cylinder body 11 is opened wide, and bottom cover 12 is located at axial one end of Master cylinder body 11, fixed plate 13 is located at master cylinder
The axial other end of body 11 makes to limit closed accommodation space jointly between bottom cover 12, Master cylinder body 11 and fixed plate 13
Obtaining dust, water etc. cannot be introduced into accommodation space, realize dust-proof, waterproof the effect of pedal sense simulator 100.Elastic component 3
One end can be only against on bottom cover 12, and motor push rod 23 can be threaded through in fixed plate 13, so that the first end 23a of motor push rod
Fixed plate 13 is pierced by be suitable for being connected with pedal 101.
Specifically, as Figure 1-Figure 4, the one end of Master cylinder body 11 being connected with fixed plate 13 could be formed with the first connection
Portion 111, first connecting portion 111 can be formed along projecting radially outward for Master cylinder body 11, be equipped with first in first connecting portion 11
Fixing piece 10a allows Master cylinder body 11 and fixed plate 13 to be fixedly linked by the first fixing piece 10a realization;Outside bottom cover 12
Edge could be formed with second connecting portion 122, and second connecting portion 122 can be formed along projecting radially outward for bottom cover 12, and second
It is equipped with the second fixing piece 10b on interconnecting piece 122, Master cylinder body 11 and bottom cover 12 are realized by the second fixing piece 10b
It is fixedly linked;Third fixing piece 10c is equipped in fixed plate 13, so that pedal sense simulator 100 can pass through third fixing piece
10c is fixed on vehicle, facilitates the installation of pedal sense simulator 100, while fixed plate 13 can play support pedal sense mould
The effect of quasi- device 100.Wherein, the first fixing piece 10a, the second fixing piece 10b and third fixing piece 10c can be bolt.
In some embodiments of the invention, shown in as shown in Figure 1, Figure 2, Fig. 5, Fig. 8 and Fig. 9, the periphery of fixed plate 13
Wall is located at the outside of the periphery wall of Master cylinder body 11, consequently facilitating third fixing piece 10c is worn in fixed plate 13, by pedal sense
Simulator 100 is installed on vehicle.Here, it should be noted that direction "outside" refers to the center far from pedal sense simulator 100
The direction of axis, opposite direction are defined as "inner".
Further, sealing ring is equipped between bottom cover 12 and Master cylinder body 11.For example, in the example of Fig. 2, Fig. 4, Fig. 8 and Fig. 9
In, it is equipped with bottom cover sealing ring 120 between bottom cover 12 and Master cylinder body 11, improves the leakproofness between bottom cover 12 and Master cylinder body 11,
To further ensure the leakproofness of shell 1, dust-proof, waterproof the effect of pedal sense simulator 100 is improved.
Wherein, the first holding tank 12a, bottom cover sealing ring be could be formed at least one of bottom cover 12 and Master cylinder body 11
120 can be placed in the first holding tank 12a, to play position-limiting action to bottom cover sealing ring 120.For example, in the example of fig. 4,
First holding tank 12a is formed on the periphery wall of bottom cover 12, and the first holding tank 12a can from the portion perimeter wall of bottom cover 12 to
It is recessed to be formed.Certainly, the first holding tank 12a be additionally formed on Master cylinder body 11 or bottom cover 12 and Master cylinder body 11 on
It is formed with the first holding tank 12a on the first holding tank 12a and bottom cover 12 and the first holding tank 12a on Master cylinder body 11 each other
It is oppositely arranged to accommodate bottom cover sealing ring 120.
As shown in Figures 2 and 3, the through-hole for running through fixed plate 13 along its thickness direction is formed in fixed plate 13, motor pushes away
The first end 23a of bar is pierced by fixed plate 13 by through-hole, and fixed plate sealing ring is equipped between motor push rod 23 and the wall surface of through-hole
130, to promote the leakproofness between motor push rod 23 and fixed plate 13, to further ensure the leakproofness of shell 1, promoted
Pedal sense simulator 100 dust-proof, waterproof effect.Wherein, the part wall of through-hole can be outwardly concaved to form second and hold
Receive slot 13a, fixed plate sealing ring 130 can be placed in the second holding tank 13a the limit for realizing fixed plate sealing ring 130.
The vehicle of embodiment according to a second aspect of the present invention, including car body, pedal 101, pedal sense simulator 100, displacement
Detection device and pressure-detecting device, wherein pedal sense simulator 100 is stepping on according to above-mentioned first aspect embodiment of the invention
Plate sense simulator 100.Vehicle can be electric car, but not limited to this.
Car body is equipped with electronic control unit, and pedal 101 is rotatably arranged on car body, outside pedal sense simulator 100
Shell 1 is set on the car body, and the first end 23a of motor push rod is connected with pedal 101, and linear motor 2 is connected with electronic control unit.Position
Shifting detection device can be used for detecting the displacement of motor push rod 23 and displacement detector is connected with electronic control unit, so that
Displacement detector can will test result and pass to electronic control unit, and pressure-detecting device can be used for detecting motor push rod
First end 23a bearing capacity and pressure-detecting device be connected with electronic control unit, pressure-detecting device will be examined
It surveys result and passes to electronic control unit.Electronic control unit can be to the detection knot of displacement detector and pressure-detecting device
Fruit is analyzed, and calculates optimal target pedal reaction force and the need of linear motor 2 balancing force to be offered, and optimum results are passed
It is handed to linear motor 2, linear motor 2 receives signal and to interact between electric motor primary 21 and motor secondary 22, so that electric
Machine secondary 22 can apply corresponding balancing force to motor push rod 23, so that pedal sense when improving driver's pedal is imitated
Fruit;Electronic control unit can be according to optimal target pedal reaction force and the operating status and real-time road of combination real vehicle simultaneously
Deng analysis obtains final braking scheme, and corresponding signal is transferred to executing agency to realize the braking of vehicle.Wherein, position
The specific location for moving detection device and pressure-detecting device can be specifically arranged according to actual needs.
Vehicle according to an embodiment of the present invention can form electricity in vehicle by using above-mentioned pedal sense simulator 100
Sub- mechanical layout, without arranging fluid pressure line etc., flexible arrangement facilitates the integrally-built arrangement of vehicle, while reducing vehicle
Quality, improve the braking effect of the braking system of vehicle and the brake feel of driver by realizing the electric braking of vehicle.
Wherein, pedal sense simulator 100 may be mounted under the floor of car body, and the simulator of pedal sense at this time 100 will not occupy cockpit
With the space of enging cabin, the integrally-built arrangement of vehicle is further facilitated, the comfort of vehicle is improved.
Other of vehicle according to an embodiment of the present invention are constituted and are operated for those of ordinary skills all
Be it is known, be not detailed herein.
It is described in detail below with reference to Fig. 1-Fig. 9 with three specific embodiments according to an embodiment of the present invention for vehicle
Pedal sense simulator 100.It is worth understanding, it is described below to be merely illustrative, rather than to the concrete restriction of invention.
Embodiment one
In the present embodiment, as shown in Fig. 1-Fig. 7, pedal sense simulator 100 includes 2, shell 1, linear motor bullets
Property part 3 and link assembly 4.
Shell 1 includes Master cylinder body 11, bottom cover 12 and fixed plate 13, and Master cylinder body 11 is generally formed into tubular structure, Master cylinder body
11 axial ends is opened wide, and bottom cover 12 is located at axial one end (for example, such as left end in Fig. 2) of Master cylinder body 11, fixed plate 13 is set
In the axial other end (for example, right end in such as Fig. 2) of Master cylinder body 11, so that between bottom cover 12, Master cylinder body 11 and fixed plate 13
Closed accommodation space is limited jointly.Specifically, as depicted in figs. 1 and 2, the upper end of Master cylinder body 11 is formed with first connecting portion
111, first connecting portion 111 to be formed along projecting radially outward for Master cylinder body 11, and the first fixing piece is equipped in first connecting portion 111
10a, Master cylinder body 11 and fixed plate 13 are fixedly linked by the first fixing piece 10a realization;The outer edge of bottom cover 12 is formed with second
Interconnecting piece 122, second connecting portion 122 to be formed along projecting radially outward for bottom cover 12, and it is solid that second is equipped in second connecting portion 122
Determine part 10b, Master cylinder body 11 and bottom cover 12 to be fixedly linked by the second fixing piece 10b realization;The periphery wall of fixed plate 13 is located at master
The outside of the periphery wall of cylinder body 11 is equipped with third fixing piece 10c in fixed plate 13, thus when pedal sense simulator 100 is applied
When in vehicle, pedal sense simulator 100 can be fixed on vehicle by third fixing piece 10c.Wherein, the first fixing piece
10ba, the second fixing piece 10b and third fixing piece 10c are bolt.
Further, as Figure 1-Figure 4, the first holding tank 12a, the first holding tank are formed on the periphery wall of bottom cover 12
12a is located at the top of second connecting portion 122, and the bottom cover sealing ring 120 between bottom cover 12 and Master cylinder body 11 is placed in the first holding tank
In 12a.Linear motor 2 includes electric motor primary 21, motor secondary 22 and motor push rod 23, and electric motor primary 21 and motor secondary 22 are equal
Be formed as cyclic structure, motor push rod 23, motor secondary 22 and electric motor primary 21 can be set gradually from inside to outside, electric motor primary
21 and motor secondary 22 be respectively positioned in above-mentioned accommodation space, electric motor primary 21 is fixed on the inner wall of shell 1, motor secondary 22 with
21 internal and external partition of electric motor primary setting and motor secondary 22 is fixed on motor push rod 23, electric motor primary 21 and motor secondary 22 it
Between interact, allow the moving axially with respect to electric motor primary 21 along pedal sense simulator 100 of motor secondary 22, thus
Motor secondary 22 can drive 23 synchronizing moving of motor push rod.It is formed in fixed plate 13 along its thickness direction through fixed plate 13
Through-hole, throughhole portions wall surface is outwardly concaved to form the second holding tank 13a, and the first end 23a of motor push rod is pierced by by through-hole
Fixed link, the fixed plate sealing ring 130 between motor push rod 23 and the wall surface of through-hole are placed in the second holding tank 13a.
As shown in Figure 1 and Figure 5, bottom cover 12 is equipped with the first installation protrusion 121, and the first installation protrusion 121 is by bottom cover 12
For internal partial wall towards formation protruding upward, the second end 23b of motor push rod is equipped with the second installation protrusion 232, the left end of elastic component 3
It is set in that the first installation protrusion 121 is outer so that the left end of elastic component 3 is only against on bottom cover 12, the right end of elastic component 3 is set in the
Two installation protrusions 232 are outer so that the right end of elastic component 3 is only against on the end face of second end 23b of motor push rod.
Wherein, elastic component 3 is Hookean spring.When the non-pushes pedals 101 of driver, pedal sense simulator 100 is in initial
Position, elastic component 3 is nature at this time;When driver's pushes pedals 101, elastic component 3 is started to work, to motor push rod 23
Apply elastic force.
4 length of link assembly is adjustable and the both ends of link assembly 4 respectively with the first end 23a of motor push rod, 101 phase of pedal
Even, as shown in Figure 1 and Figure 5, link assembly 4 includes first connecting rod 41, the second connecting rod 42 and adjusting nut 43, the first connection
The first end 41a of bar is formed with spherical auxiliary section 40, and the first end 23a of motor push rod is equipped with mating groove 231, mating groove
231 inner wall is equipped with spherical 231a, and spherical auxiliary section 40 is extend into mating groove 231 to contact with spherical 231a,
Motor push rod 23 is equipped with for spherical auxiliary section 40 to be located in the locating piece 230 in spherical 231a, and locating piece 230 is located at
In mating groove 231 and 230 housing of locating piece is on link assembly 4, and locating piece 230 is only against the outer of spherical auxiliary section 40 respectively
On peripheral wall and the inner wall of mating groove 231.The second end 41b of first connecting rod be equipped with external screw thread 411, the first of the second connecting rod
42a housing is on first connecting rod 41 and the first end 42a of the second connecting rod is threadedly engaged with external screw thread 411 at end, the second connection
The second end 42b of bar is pivotly connected by connecting rod shaft 40a with pedal 101, and 43 housing of adjusting nut is in first connecting rod
On 41 and adjusting nut 43 is threadedly engaged with external screw thread 411;The second connecting rod 42 can be fixed when adjusting nut 43 is tightened
Position, so that the second connecting rod 42 is remained unchanged relative to the position of first connecting rod 41, the length of link assembly 4 is kept at this time
It is constant;When adjusting nut 43 is unscrewed, the first end 42a of the second connecting rod adjusts by being threadedly engaged with external screw thread 411
Position of two connecting rods 42 relative to first connecting rod 41, to adjust the length of link assembly 4.
When pedal sense simulator 100 be applied to vehicle in when, vehicle further include pedal 101, car body, displacement detector and
Pressure-detecting device, pedal 101 can extend along curve, and support 102 is formed on car body, and pedal 101 passes through support shaft
102a is rotatably arranged on support 102, and pedal 101 is rotated around support shaft 102a, and car body is equipped with electronics control
Unit processed, linear motor 2 are connected with electronic control unit, and the shell 1 of pedal sense simulator 100 is pacified by third fixing piece 10c
On the car body, displacement detector is used to detect the displacement and displacement detector and electronic control unit of motor push rod 23 to dress
It is connected, allows displacement detector to will test result and pass to electronic control unit, pressure-detecting device is for detecting electricity
The bearing capacity and pressure-detecting device of the first end 23a of machine push rod is connected with electronic control unit, so that pressure-detecting device can
Electronic control unit is passed to will test result.
When vehicle needs to brake, driver step on pedal 101, pedal 101 is rotated clockwise around support shaft 102a, by
The second connecting rod 42 and support shaft are greater than to the distance between pedal force of pedal 101 and support shaft 102a in driver
The distance between 102a, so as to be transferred to motor push rod 23, motor push rod 23 by link assembly 4 after amplifying pedal force
It is moved to the left along the axial direction of pedal sense simulator 100 with compression elastic piece 3, elastic component 3 can apply elasticity to motor push rod 23
Power guarantees " brake feel " of pedal 101 when braking system work to provide based-pedal counter-force;And displacement detector is for example
Displacement sensor can detecte the displacement of motor push rod 23 and/or the displacement of motor secondary 22 and will test result and passes to
Electronic control unit, pressure-detecting device such as pressure sensor can detecte the bearing capacity of the first end 23a of motor push rod simultaneously
It will test result and electronic control unit be transferred to analyze testing result by electric signal, electronic control unit can be counted
Calculating optimal target pedal reaction force and linear motor 2 needs balancing force to be offered, and linear motor 2 needs balancing force to be offered can
Think the difference between optimal target pedal reaction force and based-pedal counter-force, electronic control unit equally passes through electric signal at this time
Optimum results are transferred to linear motor 2, linear motor 2 receives signal and makes between electric motor primary 21 and motor secondary 22 mutually
Effect, allows motor secondary 22 to apply corresponding balancing force, the sum of based-pedal counter-force and balancing force to motor push rod 23
To form optimal target pedal reaction force, optimal target pedal reaction force is acted on motor push rod 23 with the operation shape with real vehicle
State matches, and so as to promote pedal sense effect when driver's pedal 101, the operation that can promote driver is comfortable
Degree;Electronic control unit can be according to optimal target pedal reaction force and the operating status and real-time road of combination real vehicle simultaneously
Deng analysis obtains final braking scheme, and corresponding signal is transferred to executing agency to realize the braking of vehicle.
Embodiment two
As shown in figure 8, the present embodiment is roughly the same with the structure of embodiment one, wherein identical component is using identical attached
Icon note, the difference is that: elastic component 3 is two;Fixed plate 13 is equipped with bracket 10, and pedal 101 and bracket 10 are pivotable
Ground is connected;Pedal 101 is equipped with the only arrived piece 101b being only against on the first end 23a of motor push rod.
As shown in figure 8, bottom cover 12 is equipped with the first installation protrusion 121, first is installed in part of the protrusion 121 by bottom cover 12
For wall towards formation protruding upward, the upper surface of the first installation protrusion 121 is equipped with third installation protrusion 123, third installation protrusion 123
By the part upper surface formation protruding upward of the first installation protrusion 121, the first installation protrusion 121 and third installation protrusion 123 are same
Axis setting, the first installation protrusion 121 and third installation protrusion 123 are all formed as the transversal of round table-like and third installation protrusion 123
Cross-sectional area of the area less than the first installation protrusion 121.The second end 23b of motor push rod is equipped with second and installs raised 232, second
Installation protrusion 232 is downwardly protrude to form by the portion end surface of the second end 23b of motor push rod, is formed in the second installation protrusion 232
There is escape groove 232a, the second installation protrusion 122 bottom-up can cooperate in escape groove 232a, to avoid the second installation protrusion
It collides between 232 and third installation protrusion 123, while making the structure of pedal sense simulator 100 more compact.
Two elastic components 3 respectively the first elastic component 31 and the second elastic component 32, the first elastic component 31 and the second elastic component
32 are respectively positioned on the downside of motor push rod 23, the setting nested with inside and outside the second elastic component 32 of the first elastic component 31 and the first elastic component 31
It is set in outside the second elastic component 32, it is outer so that the first elastic component that the lower end of the first elastic component 31 is set in the first installation protrusion 121
31 lower end is only against on bottom cover 12, and it is outer so that the first elasticity that the upper end of the first elastic component 31 is set in the second installation protrusion 232
The upper end of part 31 is only against on the end face of 23 second end 23b of motor push rod, and the lower end of the second elastic component 32 is set in third installation
So that the lower end of the second elastic component 32 is only against on the upper surface of the first installation protrusion 121 outside protrusion 123, the second elastic component 32
Upper end is only against on the end face of the second installation protrusion 232.
Wherein, the first elastic component 31 and the second elastic component 32 are spring, and the initial length of the first elastic component 31 is greater than the
The initial length of two elastic components 32, that is to say, that the non-pushes pedals 101 of driver, pedal sense simulator 100 are in initial position
When, the axial length of the first elastic component 31 is greater than the axial length of the second elastic component 32.First elastic component 31 and the second elastic component
32 be Hookean spring, and the stiffness factor of the first elastic component 31 can be greater than the stiffness factor of the second elastic component 32.Driver
When non-pushes pedals 101, pedal sense simulator 100 is in initial position, and the first elastic component 31 and the second elastic component 32 are equal at this time
For nature;When driver's pushes pedals 101, the first elastic component 31 and the second elastic component 32 start simultaneously at work, to electricity
Machine push rod 23 applies elastic force, and the first elastic force of the first elastic component 31 and the second elastic force of the second elastic component 32 can be at this time
Superposition, to form the elastic force of combined elastic part (including the first elastic component 31 and the second elastic component 32).
When pedal sense simulator 100 be applied to vehicle in when, vehicle further include pedal 101, car body, displacement detector and
Pressure-detecting device, pedal 101 are generally formed into slab construction, and car body is equipped with electronic control unit, linear motor 2 and electronics
Control unit is connected, and the shell 1 of pedal sense simulator 100 is installed on the car body by third fixing piece 10c, displacement detector
Displacement and displacement detector for detecting motor push rod 23 are connected with electronic control unit, so that displacement detector can
Electronic control unit is passed to will test result, pressure-detecting device is used to detect the pressure-bearing of the first end 23a of motor push rod
Power and pressure-detecting device is connected with electronic control unit allows pressure-detecting device to will test result transmitting electron control
Unit processed.
Fixed plate 13 is equipped with bracket 10, and pedal 101 is rotatably arranged on bracket 10 by rack shaft 10a, that is, propped up
Frame shaft 10a can be used as the rotating fulcrum of pedal 101;Pedal 101, which is equipped with, to be only against on the first end 23a of motor push rod
The pedal force of driver can be transferred on motor push rod 23 by only arrived piece 101b, pedal 101 by stopping arrived piece 101b;Pedal
Limiting section 101a is formed on 101, limiting section 101a is located at the two sides of support shaft 10a with only arrived piece 101b, to limit
Position portion 101a can play the role of limit, avoid pedal 101 that backwards rotation occurs in its initial position, facilitate driver's
Operation.Wherein, only arrived piece 101b is idler wheel, and idler wheel is installed in rotation on pedal 101 by roller wheel shaft 101c.
When vehicle needs to brake, driver step on pedal 101, pedal 101 is rotated counterclockwise around rack shaft 10a, by
In driver to the distance between pedal force of pedal 101 and rack shaft 10a be greater than between idler wheel and rack shaft 10a away from
From to be transferred to motor push rod 23 by stopping arrived piece 101b after pedal force is amplified, motor push rod 23 is along pedal sense simulator
100 move axially downwards to compress the first elastic component 31 and the second elastic component 32, the first elastic component 31 and the second elastic component 32
Elastic force can be applied to motor push rod 23 to provide based-pedal counter-force, guarantee " the braking of pedal 101 when braking system work
Feel ";And displacement detector such as displacement sensor can detecte the displacement and/or motor secondary 22 of motor push rod 23
Displacement simultaneously will test result and pass to electronic control unit, and pressure-detecting device such as pressure sensor can detecte motor and push away
The bearing capacity of the first end 23a of bar simultaneously will test result and be transferred to electronic control unit by electric signal to carry out to testing result
Analysis, electronic control unit, which can calculate optimal target pedal reaction force and linear motor 2, needs balancing force to be offered, straight line
Motor 2 need balancing force to be offered can difference for optimal target pedal reaction force and based-pedal counter-force between, electricity at this time
Sub-control unit equally passes through electric signal and optimum results is transferred to linear motor 2, at the beginning of the reception signal of linear motor 2 makes motor
It interacts between grade 21 and motor secondary 22, motor secondary 22 is allowed to apply corresponding balancing force to motor push rod 23,
To form optimal target pedal reaction force, optimal target pedal reaction force acts on motor for the sum of based-pedal counter-force and balancing force
Matched on push rod 23 with the operating status with real vehicle, it, can so as to promote pedal sense effect when driver's pedal 101
To promote the operational comfort of driver;Electronic control unit can be according to optimal target pedal reaction force and in conjunction with real simultaneously
The operating status of vehicle and real-time road etc., analysis obtain final braking scheme, and by corresponding signal be transferred to executing agency with
Realize the braking of vehicle.
Embodiment three
As shown in figure 9, the present embodiment is roughly the same with the structure of embodiment two, wherein identical component is using identical attached
Icon note, the difference is that: two elastic components 3 are located at the axial sides of electric motor primary 21;Second installation protrusion 232 is logical
Cross the second end 23b that mounting screw 232b is fixedly mounted on motor push rod.
Two elastic components 3 are respectively the first elastic component 31 and the second elastic component 32, and the first elastic component 31 is located at accommodation space
Interior, the upper end of the first elastic component 3 is set on the periphery wall of the second installation protrusion 232, the lower end of the first elastic component 3 is set in
On the periphery wall of one installation protrusion 121.Second elastic component 32 is located in accommodation space, is formed with stopper section on motor push rod 23
233, so that limiting installation space between motor push rod 23, Master cylinder body 11 and electric motor primary 21 jointly, the second elastic component 4 is located at
In above-mentioned installation space, and the upper end of the second elastic component 4 is only supported, at the beginning of the lower end of the second elastic component 4 and motor with 233 phase of stopper section
21 phases of grade are only supported, and the periphery wall of the second elastic component 4 can be adapted with the internal perisporium of Master cylinder body 11, can be to the second elastic component 4
It is positioned, the position of the second elastic component 4 is avoided to change.
When vehicle needs to brake, driver step on pedal 101, pedal 101 is rotated counterclockwise around support shaft 10a, by
In driver to the distance between pedal force of pedal 101 and support shaft 10a be greater than between idler wheel and support shaft 10a away from
From to be transferred to motor push rod 23 by stopping arrived piece 101b after pedal force is amplified, motor push rod 23 is along pedal sense simulator
100 move axially downwards to compress the first elastic component 31 and the second elastic component 32, the first elastic component 31 and the second elastic component 32
Elastic force can be applied to motor push rod 23 to provide based-pedal counter-force, guarantee " the braking of pedal 101 when braking system work
Feel ";And displacement detector such as displacement sensor can detecte the displacement and/or motor secondary 22 of motor push rod 23
Displacement simultaneously will test result and pass to electronic control unit, and pressure-detecting device such as pressure sensor can detecte motor and push away
The bearing capacity of the first end 23a of bar simultaneously will test result and be transferred to electronic control unit by electric signal to carry out to testing result
Analysis, electronic control unit, which can calculate optimal target pedal reaction force and linear motor 2, needs balancing force to be offered, straight line
Motor 2 need balancing force to be offered can difference for optimal target pedal reaction force and based-pedal counter-force between, electricity at this time
Sub-control unit equally passes through electric signal and optimum results is transferred to linear motor 2, at the beginning of the reception signal of linear motor 2 makes motor
It interacts between grade 21 and motor secondary 22, motor secondary 22 is allowed to apply corresponding balancing force to motor push rod 23,
To form optimal target pedal reaction force, optimal target pedal reaction force acts on motor for the sum of based-pedal counter-force and balancing force
Matched on push rod 23 with the operating status with real vehicle, it, can so as to promote pedal sense effect when driver's pedal 101
To promote the operational comfort of driver;Electronic control unit can be according to optimal target pedal reaction force and in conjunction with real simultaneously
The operating status of vehicle and real-time road etc., analysis obtain final braking scheme, and by corresponding signal be transferred to executing agency with
Realize the braking of vehicle.
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 (11)
1. a kind of pedal sense simulator for vehicle, the vehicle includes pedal, which is characterized in that the pedal sense simulator
Include:
Shell;
Linear motor, the linear motor include electric motor primary, motor secondary and motor push rod, and the electric motor primary is fixed on institute
It states on the inner wall of shell, the motor secondary is located in the electric motor primary, and the motor secondary and the electric motor primary cooperate
So that the relatively described electric motor primary of motor secondary is axially movable, the motor secondary housing is on the motor push rod with band
The motor push rod synchronizing moving is moved, the first end of the motor push rod stretches out the shell and is suitable for being connected with the pedal;
For applying the elastic component of elastic force to the motor push rod.
2. the pedal sense simulator according to claim 1 for vehicle, which is characterized in that the elastic component is located at described
In the shell and both ends of the elastic component are only against the inner wall of the shell and the second end of the motor push rod respectively.
3. the pedal sense simulator according to claim 2 for vehicle, which is characterized in that set on the inner wall of the shell
There is the first installation protrusion, one end housing of the elastic component is fixed in the first installation protrusion.
4. the pedal sense simulator according to claim 2 for vehicle, which is characterized in that the second of the motor push rod
End is equipped with the second installation protrusion, and the other end housing of the elastic component is fixed in the second installation protrusion.
5. the pedal sense simulator according to claim 1 for vehicle, which is characterized in that further include length-adjustable company
Bar assembly, the both ends of the link assembly are connected with the first end of the motor push rod and the pedal respectively.
6. the pedal sense simulator according to claim 5 for vehicle, which is characterized in that the link assembly includes:
First connecting rod, the first end of the first connecting rod are connected with the first end of the motor push rod, first connection
The second end of bar is equipped with external screw thread;
Second connecting rod, the first end housing of second connecting rod on the first connecting rod and with the external screw thread screw thread
Cooperation, the second end of second connecting rod are suitable for being connected with the pedal;
Adjusting nut, the adjusting nut housing are threadedly engaged on the first connecting rod and with the external screw thread.
7. the pedal sense simulator according to claim 5 for vehicle, which is characterized in that the first of the motor push rod
End is equipped with mating groove, and the inner wall of the mating groove is equipped with spherical, and one end of the link assembly is formed as spherical
Auxiliary section, the spherical auxiliary section extend into the mating groove and with the spherical face contact, set on the motor push rod
There is the locating piece for being located in the spherical auxiliary section in the spherical.
8. the pedal sense simulator according to claim 7 for vehicle, which is characterized in that the locating piece is located at described
In mating groove and the locating piece housing is on link assembly, and the locating piece is only against the outer of the spherical auxiliary section respectively
On peripheral wall and the inner wall of the mating groove.
9. the pedal sense simulator according to claim 1 to 8 for vehicle, which is characterized in that the shell
Include:
The open Master cylinder body in two sides, the electric motor primary are fixed on the inner wall of the Master cylinder body;
Bottom cover, the bottom cover are located at the wherein side open ports that the Master cylinder body is closed on the Master cylinder body, the elastic component
It is only against on the bottom cover;
Fixed plate, the fixed plate are located at the other side open ports that the Master cylinder body is closed on the Master cylinder body, the motor
The first end of push rod is pierced by the fixed plate.
10. the pedal sense simulator according to claim 9 for vehicle, which is characterized in that the periphery of the fixed plate
Wall is located at the outside of the periphery wall of the Master cylinder body.
11. 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 are to be simulated according to pedal sense of any of claims 1-10
Device, the shell are located on the car body, and the first end of the motor push rod is connected with the pedal, the linear motor and institute
Electronic control unit is stated to be connected;
For detecting the displacement detector of the displacement of the motor push rod, institute's displacement sensing device and the electronic control
Unit is connected;
For detecting the pressure-detecting device of the bearing capacity of the first end of the motor push rod, the pressure-detecting device with it is described
Electronic control unit is connected.
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