CN107139905B - A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism - Google Patents
A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism Download PDFInfo
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- CN107139905B CN107139905B CN201710224411.2A CN201710224411A CN107139905B CN 107139905 B CN107139905 B CN 107139905B CN 201710224411 A CN201710224411 A CN 201710224411A CN 107139905 B CN107139905 B CN 107139905B
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- brake
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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
- 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
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
- B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The invention discloses a kind of two-stage pedal sense simulator and its automobile brake pedal mechanisms, brake treadle mechanism includes mounting bracket, brake pedal, two-stage pedal sense simulator and inductive pick-up, inductive pick-up for perceiving the braking intention of driver in advance, pedal displacement sensor is used to accurately identify the braking intention of driver, and pedal sense simulator includes shell, the first elastic parts, the second elastic parts, brake pushrod and emergency button.Present embodiment is compared to the prior art, the first elastic parts is respectively adopted, the two-stage analog form that the second elastic parts is main effect, can effective simulating brake pedal gear control feel, it is simple and reasonable, it is easy to operate, response rapidly, improves stability, the comfortableness and security of braking, and have the function of pre-identification braking intention and emergency brake.
Description
Technical field
The invention belongs to vehicle brake apparatus technical fields, and in particular to a kind of two-stage pedal sense simulator and its vapour
Vehicle brake treadle mechanism.
Background technique
Braking system is one of important component of automobile chassis, is directly related to comprehensive vehicle performance and lives and properties
Safety.Although conventional hydraulic formula, pneumatic brake system can satisfy the requirements of existing brake legislation, there is pipes
Complexity is arranged, by vacuum booster unit, braking response speed are relatively slow, braking moment actively can not be adjusted and be difficult to and other in road
The deficiencies of system integration controls place, is not suitable for the demand for development of the integrated control of automobile especially electric automobile chassis.
Electric controlled brake system realizes the decoupling of brake treadle mechanism and brake actuator, mainly there is electro-hydraulic brake
System (EHB) and two kinds of electromechanical braking system (EMB), eliminate straight between brake treadle mechanism and brake actuator
It connects in succession, using electric wire as information transmission media, electronic control unit identifies braking intention, control system according to relevant sensor signals
Dynamic executing agency's movement, realizes the control to each wheel braking force, fast with vacuum booster unit, dynamic response is not depended on
Speed is easily integrated the advantages that control, compensates for the deficiency on Conventional braking systems structural principle.
Since brake treadle mechanism and brake actuator realize decoupling, so that the brake pedal of electric controlled brake system is not
Traditional vacuum booster unit is depended on again, brake pedal structure and operator brake feeling etc. can all vary widely, because
This needs to carry out brand-new design to automobile decoupling distributed brake Braking system pedal gear.Currently, in the existing vapour that can be inquired
It is that Authorization Notice No. is with the maximally related technology of the present invention in vehicle brake system pedal gear relevant information
The patent of invention of CN101982356B --- automobile brake pedal mechanism and its pedal sense simulator and Authorization Notice No. are
A kind of utility model patent of CN201989768U --- brake pedal apparatus of automobile line control brake system.Foregoing invention uses
Pedal displacement sensor identifies the braking intention of driver, is hindered using magnetorheological fluid variable damp characteristics dynamic regulation brake pedal
Buddhist nun's power, improves brake pedal feel and automobile brake perfrmance.Foregoing invention uses piezoelectric type pedal pressing force sensor and pedal
Linear displacement transducer identifies the braking intention of driver jointly, and pedal sense analog functuion part uses dual spring mechanism,
When middle small intensity is braked, only outer lateral spring works；In high-intensitive or emergency braking, medial and lateral spring simultaneously participates in work
Make.But magnetorheological fluid formula pedal sense simulator and piezoelectric type pedal pressing force sensor in foregoing invention etc. in foregoing invention,
All there is the problems such as structure is complicated, controls cumbersome, higher cost and realizes difficulty, and does not both account for braking intention and know in advance
Other and emergency brake function.To so far, there is the two-stage pedal sense of braking intention pre-identification and emergency brake function
Simulator and its automobile brake pedal mechanism, which also rarely have, to be referred to.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of two-stage pedal sense simulator and its automobile brakes
Pedal gear.
In order to achieve the above object, technical scheme is as follows:
The present invention provides a kind of two-stage pedal sense simulator, comprising:
Shell；
Two elastic mechanisms, including the first elastic parts and the second elastic parts, the first elastic parts are moved along the axial direction of shell
Dynamic to be set in the axial cavity of shell, the second elastic parts is set on the rear-end plate of shell；
Brake pushrod, brake pushrod are moved along its axis in the shaft core position of shell and are arranged in shell, brake pushrod with
First elastic parts connection, for pushing the second elastic parts to deform after pushing the compression of the first elastic parts；
Emergency button, emergency button are set to the center on the rear-end plate of shell and being located at the second elastic parts,
Emergency button is mechanical contact-type switch, and emergency button is normally open.
Compared to the prior art, the first elastic parts is respectively adopted, the second order that the second elastic parts is main effect in the present invention
Section analog form, can effective simulating brake pedal gear control feel, simple and reasonable, easy to operate, response rapidly, mentions
High stability, the comfortableness and security of braking.
As a preferred option, above-mentioned shell includes shell, and the axial ends of shell is respectively equipped with the first cover board of front end
With the first rear-end plate, the shaft core position of the first cover board of front end, which is equipped with, is used for the movable through-hole of brake pushrod；
First elastic parts includes spring base and the first spring, and spring base includes the first spring-leaf retainer and second spring seat
Circle, the first spring-leaf retainer and second spring seat ring are along the axial cavity that the axial direction of shell is set in turn in shell, the first spring
Be set between the first spring-leaf retainer and second spring seat ring and by the first spring-leaf retainer and second spring seat ring respectively against in
In first cover board of front end and the second elastic parts, brake pushrod passes through the through-hole of the first cover board of front end and the first spring-leaf retainer connects
It connects, the second elastic parts required power that deforms deforms required power greater than the first spring.
Using the above preferred scheme, when middle small intensity is braked, since the second elastic parts deforms required power
Deform required power greater than the first spring, and brake pushrod pushes the first spring-leaf retainer mobile so that the first spring-compressed, can
The brake feel of small intensity in simulation；In the braking of big intensity, brake pushrod continues to press on the first spring-leaf retainer and makes the second bullet
Property component deforms, the brake feel of the big intensity of analog.
As a preferred option, the elastic element that the second above-mentioned elastic parts is made by elastoplastic, the second bullet
Property component be cylindrical structure.
Using the above preferred scheme, the second elastic parts is made by elastoplastic, in natural resiliency after braking
It can restore under effect.
As a preferred option, above-mentioned shell includes front shell and aft case, and the axial ends of front shell is set
There are the second cover board of front end and the second rear-end plate, the shaft core position of the second cover board of front end and the second rear-end plate is equipped with for braking
The movable through-hole of push rod, the front end of aft case be connected with the rear end of front shell and the axle center of the two on the same line；
First elastic parts includes third spring-leaf retainer and second spring, and second spring is set to third spring-leaf retainer and
It is close proximity in the second cover board of front end between two rear-end plates and by third spring-leaf retainer；Brake pushrod is actively located in the second front end
In the through-hole of cover board and the second rear-end plate, the middle part of the length direction of brake pushrod is equipped with bulge loop, before bulge loop movement is set to
In portion's shell, one end of the length direction of brake pushrod is equipped with push rod end face, and the movement of push rod end face is set in aft case, the
Three spring-leaf retainers are set on bulge loop.
Using the above preferred scheme, when middle small intensity is braked, brake pushrod pushes third spring-leaf retainer to make second
Spring-compressed, the brake feel of small intensity in analog；In the braking of big intensity, brake pushrod continues to press on so that push rod end face
Squeeze the second elastic parts, the brake feel of the big intensity of analog.
As a preferred option, the elastic element that the second above-mentioned elastic parts is made by elastoplastic, the second bullet
Property component be cylindrical structure, the face area of the second elastic parts is not less than the area of push rod end face.
Using the above preferred scheme, the face area of the second elastic parts is not less than the area of push rod end face, can make
It obtains push rod end face and effectively squeezes the second elastic parts.
As a preferred option, the present invention also provides a kind of automobile brake pedal mechanisms, comprising:
Mounting bracket, including connected the first mounting portion and the second mounting portion, the second installation position is in the first mounting portion
Lower section；
Brake pedal, including pedal body and pedal shaft, the top of pedal shaft are rotatably dispose on the first mounting portion,
Pedal body is set to the bottom end of pedal shaft to drive pedal shaft to rotate around the tie point of itself and the first mounting portion；
Two-stage pedal sense simulator, two-stage pedal sense simulator are set on the second mounting portion, brake pushrod
Also it is flexibly connected with pedal shaft；
Inductive pick-up is set on pedal body, for perceiving the braking intention of driver in advance；
Pedal displacement sensor is set on the first mounting portion and connect with the top of pedal shaft, for accurately knowing
The braking intention of other driver.
Using the above preferred scheme, inductive pick-up can perceive the braking intention of driver in advance, be that braking moment is real
It applies and braking force distribution offer is set aside some time, so as to shorten the corresponding time is braked, propose vehicle synthetical restraint performance；Pedal displacement
The control precision and fault-tolerant ability of braking system can be improved in sensor.
Wherein, mounting bracket is the installation foundation of entire brake treadle mechanism, solid by bolt, nut and vehicle body, vehicle frame
Fixed connection, mounting bracket use L-type structure.
In addition, above-mentioned inductive pick-up is infrared-sensing type sensor or ultrasonic sensor, pedal displacement sensing
Device be it is double can rheostat angular displacement sensor or Hall-type angular displacement sensor.It is double can rheostat angular displacement sensor include induction
Device shell, induction shaft, the first sliding block, the first slide plate, the second sliding block and the second slide plate, inductor shell are set to the first installation
In portion, the first slide plate, the second slide plate are consistent for the radian of arcuate structure and the two, and the first slide plate and the second slide plate are fixedly installed on
In inductor shell, the one end for incuding the length direction of shaft is fixedly connected with the top of pedal shaft, and the first sliding block, second are slided
Block is set to the other end of the length direction of induction shaft and setting interval is provided therebetween, and the movement of the first sliding block is set to
On first slide plate, the movement of the second sliding block is set on the second slide plate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the two-stage pedal sense simulator of one embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the two-stage pedal sense simulator of another embodiment of the invention.
Fig. 3 is the structural schematic diagram of automobile brake pedal mechanism of the invention.
Fig. 4 is the structural schematic diagram of pedal displacement sensor of the invention.
Fig. 5 is the circuit diagram of pedal displacement sensor of the invention.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
In order to reach the purpose of the present invention, a kind of two-stage pedal sense is provided in one of embodiment of the invention
Feel simulator, comprising:
Shell；
Two elastic mechanisms, including the first elastic parts and the second elastic parts, the first elastic parts are moved along the axial direction of shell
Dynamic to be set in the axial cavity of shell, the second elastic parts is set on the rear-end plate of shell；
Brake pushrod, brake pushrod are moved along its axis in the shaft core position of shell and are arranged in shell, brake pushrod with
First elastic parts connection, for pushing the second elastic parts to deform after pushing the compression of the first elastic parts；
Emergency button, emergency button are set to the center on the rear-end plate of shell and being located at the second elastic parts,
Emergency button is mechanical contact-type switch, and emergency button is normally open.
Compared to the prior art, the first elastic parts is respectively adopted, the second elastic parts is main effect in present embodiment
Two-stage analog form, can effective simulating brake pedal gear control feel, it is simple and reasonable, it is easy to operate, respond fast
Speed improves stability, the comfortableness and security of braking.
As shown in Figure 1, in order to further optimize implementation result of the invention, in another embodiment of the invention
In, on the basis of foregoing teachings, above-mentioned shell includes shell 11, and the axial ends of shell 11 is respectively equipped with the first drive end bearing bracket
Plate 7 and the first rear-end plate, the shaft core position of the first cover board of front end 7, which is equipped with, is used for the movable through-hole of brake pushrod；
First elastic parts includes spring base and the first spring 9, and spring base includes the first spring-leaf retainer 8 and second spring seat
Circle 10, the first spring-leaf retainer 8 and second spring seat ring 10 along the axial cavity that the axial direction of shell 11 is set in turn in shell 11,
First spring 9 is set between the first spring-leaf retainer 8 and second spring seat ring 10 and by the first spring-leaf retainer 8 and second spring seat
For circle 10 respectively against in the first cover board of front end 7 and the second elastic parts, brake pushrod 3 passes through the through-hole of the first cover board of front end 7
It is connect with the first spring-leaf retainer 8, the second elastic parts required power that deforms deforms required power greater than the first spring.
Using the above preferred scheme, when middle small intensity is braked, since the second elastic parts deforms required power
Deform required power greater than the first spring, and brake pushrod 3 pushes the first spring-leaf retainer 8 mobile so that the first spring 9 compresses,
The brake feel of small intensity in analog.
In the braking of big intensity, brake pushrod 3 continues to press on the first spring-leaf retainer 8 and second elastic parts is become
Shape, the brake feel of the big intensity of analog.
Emergency braking or braking system when something goes wrong, brake pushrod 3 squeezes the second elastic parts and simulates big damping force
Feeling；Meanwhile brake pushrod when being pushed to bottom emergency button be closed, provide emergency brake signal according to automobile actual motion feelings
Condition starts alternate brake function.If emergency button is closed, and braking deceleration is consistent with braking requirement, then without starting spare system
Dynamic function；If emergency button is closed, and braking deceleration and braking requirement deviation are larger, then enable alternate brake function, implement
Car emergency braking, to improve vehicle safety energy.In addition, it is also necessary to pass through malfunction indicator lamp and sound report in time
It is alert, remind driver to pay attention to.
In order to further optimize implementation result of the invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, the first elastic element 12 that the second above-mentioned elastic parts is made by elastoplastic, the second elastic parts
For cylindrical structure, emergency button is the first emergency button 13, and the first emergency button 13 is set on the rear-end plate of shell 11
And it is located at the center of the first elastic element 12.
Using the above preferred scheme, the second elastic parts is made by elastoplastic, in natural resiliency after braking
It can restore under effect.
As shown in Fig. 2, in order to further optimize implementation result of the invention, in another embodiment of the invention
In, on the basis of foregoing teachings, above-mentioned shell includes front shell 21 and aft case 24, the axial direction two of front shell 21
It holds and is equipped with the second cover board of front end 19 and the second rear-end plate, the shaft core position of the second cover board of front end 19 and the second rear-end plate is equipped with
For the movable through-hole of brake pushrod, the front end of aft case 24 is connected with the rear end of front shell 21 and the axle center of the two is same
On one straight line；
First elastic parts includes third spring-leaf retainer 20 and second spring 22, and second spring 22 is set to third spring base
It is close proximity in the second cover board of front end 19 between circle 20 and the second rear-end plate and by third spring-leaf retainer 20；3 activity of brake pushrod
It being arranged in the through-hole of the second cover board of front end 19 and the second rear-end plate, the middle part of the length direction of brake pushrod 3 is equipped with bulge loop,
Bulge loop movement is set in front shell 21, and one end of the length direction of brake pushrod 3 is equipped with push rod end face 23, push rod end face 23
Movement is set in aft case 24, and third spring-leaf retainer 20 is set on bulge loop.
Using the above preferred scheme, when middle small intensity is braked, brake pushrod 3 pushes third spring-leaf retainer 20 to make the
Two springs 22 compress, the brake feel of small intensity in analog.
In the braking of big intensity, brake pushrod 3 is continued to press on so that push rod end face 23 squeezes the second elastic parts, analog
The brake feel of big intensity.
In order to further optimize implementation result of the invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, the second elastic element 25 that the second above-mentioned elastic parts is made by elastoplastic, the second elastic parts
For cylindrical structure, the face area of the second elastic parts is not less than the area of push rod end face.Emergency button is that the second emergency is opened
26 are closed, the second emergency button 26 is set to the center on the rear-end plate of aft case and being located at the second elastic element 25.
Using the above preferred scheme, the face area of the second elastic parts is not less than the area of push rod end face, can make
It obtains push rod end face 23 and effectively squeezes the second elastic parts.
As shown in figure 3, in order to further optimize implementation result of the invention, in another embodiment of the invention
In, on the basis of foregoing teachings, present embodiment also provides a kind of automobile brake pedal mechanism, comprising:
Mounting bracket 4, including connected the first mounting portion and the second mounting portion, the second installation position is in the first mounting portion
Lower section；
Brake pedal 1, including pedal body and pedal shaft, the top of pedal shaft are rotatably dispose in the first mounting portion
On, pedal body is set to the bottom end of pedal shaft to drive pedal shaft to rotate around the tie point of itself and the first mounting portion；
Two-stage pedal sense simulator 6, two-stage pedal sense simulator 6 are set on the second mounting portion, and braking pushes away
Bar is also flexibly connected with pedal shaft；
Inductive pick-up 2, is set on pedal body, for perceiving the braking intention of driver in advance；
Pedal displacement sensor 5 is set on the first mounting portion and connect with the top of pedal shaft, for accurately knowing
The braking intention of other driver.
Using the above preferred scheme, inductive pick-up 2 can perceive the braking intention of driver in advance, be that braking moment is real
It applies and braking force distribution offer is set aside some time, so as to shorten the corresponding time is braked, propose vehicle synthetical restraint performance；Pedal displacement
The control precision and fault-tolerant ability of braking system can be improved in sensor 5.
Wherein, mounting bracket 4 is the installation foundation of entire brake treadle mechanism, solid by bolt, nut and vehicle body, vehicle frame
Fixed connection, mounting bracket 4 use L-type structure.
In order to further optimize implementation result of the invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, above-mentioned inductive pick-up 2 be infrared-sensing type sensor or ultrasonic sensor, specifically can be according to reality
The selection of border situation.
Using the above preferred scheme, in automobile brake, when driver moves to right crus of diaphragm above brake pedal, induction
Sensor 2 can perceive in advance the braking intention of driver before driver implements practical braking, implement for braking moment and
Braking force distribution offer is set aside some time, and so as to shorten the corresponding time is braked, proposes vehicle synthetical restraint performance.
Inductive pick-up 2 generates signal by inductive pick-up 2 in detection range and pedal displacement sensor 5 generates letter
Time difference between number can prejudge the urgency level of this braking.Different urgency levels, brake actuator use
Different control strategies, such as when emergency braking, brake actuator should increase the increase that braking moment changes with pedal displacement
Speed enables automobile quickly to stop, and improves brake safe performance.
In order to further optimize implementation result of the invention, in another embodiment of the invention, aforementioned interior
On the basis of appearance, above-mentioned pedal displacement sensor 5 be it is double can rheostat angular displacement sensor or Hall-type angular displacement sensor,
It can specifically select according to the actual situation.
As shown in Fig. 4 to Fig. 5, it is double can rheostat angular displacement sensor include that inductor shell, induction shaft 14, first are sliding
Block 15, the first slide plate 16, the second sliding block 18 and the second slide plate 17, inductor shell are set on the first mounting portion, the first slide plate
16, the second slide plate 17 is consistent for the radian of arcuate structure and the two, and the first slide plate 16 and the second slide plate 17 are fixedly installed on induction
In device shell, one end of length direction of induction shaft 14 is fixedly connected with the top of pedal shaft, and the first sliding block 15, second is sliding
Block 18 is set to the other end of the length direction of induction shaft and setting interval is provided therebetween, and the movement of the first sliding block 15 is set
It is placed on the first slide plate 16, the movement of the second sliding block 18 is set on the second slide plate 17.
Using the above preferred scheme, two slide plates and two sliding blocks respectively in connection with, constitute two slide rheostat G101,
G102.When driver steps on brake pedal, induction shaft is rotated with pedal shaft, and the first sliding block 15, the second sliding block 18 divide
It is not slided on the first slide plate 16, the second slide plate 17, pedal displacement and change in displacement rate information is exported, for judging driver's
Braking intention.The control precision and fault-tolerant ability of braking system can be improved in two slide rheostat cooperatings.If wherein one
A failure can work on according to another signal, and warning reminding driver repairs as early as possible in time.
The above are merely the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art,
Without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (10)
1. a kind of two-stage pedal sense simulator characterized by comprising
Shell；
Two elastic mechanisms, including the first elastic parts and the second elastic parts, the first elastic parts are set along the axial movement of shell
It is placed in the axial cavity of shell, the second elastic parts is set on the rear-end plate of shell；
Brake pushrod, brake pushrod are moved along its axis in the shaft core position of shell and are arranged in shell, brake pushrod and first
Elastic parts connection, for pushing the second elastic parts to deform after pushing the compression of the first elastic parts；
Emergency button, emergency button are set to the center on the rear-end plate of shell and being located at the second elastic parts.
2. two-stage pedal sense simulator according to claim 1, which is characterized in that shell includes shell, the axial direction of shell
Both ends are respectively equipped with the first cover board of front end and the first rear-end plate, and the shaft core position of the first cover board of front end, which is equipped with, is used for brake pushrod
Movable through-hole；
First elastic parts includes spring base and the first spring, and spring base includes the first spring-leaf retainer and second spring seat ring, the
Along the axial cavity that the axial direction of shell is set in turn in shell, the first spring is set to for one spring-leaf retainer and second spring seat ring
Respectively against before first between first spring-leaf retainer and second spring seat ring and by the first spring-leaf retainer and second spring seat ring
On end casing and the second elastic parts, the through-hole that brake pushrod passes through the first cover board of front end is connect with the first spring-leaf retainer, and second
The elastic parts required power that deforms deforms required power greater than the first spring.
3. two-stage pedal sense simulator according to claim 2, which is characterized in that the second elastic parts is by elastoplastic
The elastic element being made, the second elastic parts are cylindrical structure.
4. two-stage pedal sense simulator according to claim 1, which is characterized in that shell includes front shell and rear portion shell
The axial ends of body, front shell is equipped with the second cover board of front end and the second rear-end plate, the second cover board of front end and the second rear end cap
The shaft core position of plate, which is equipped with, is used for the movable through-hole of brake pushrod, and the front end of aft case is connected and two with the rear end of front shell
The axle center of person is on the same line；
First elastic parts includes third spring-leaf retainer and second spring, after second spring is set to third spring-leaf retainer and second
It is close proximity in the second cover board of front end between end casing and by third spring-leaf retainer；
Brake pushrod is actively located in the through-hole of the second cover board of front end and the second rear-end plate, the length direction of brake pushrod
Middle part is equipped with bulge loop, and bulge loop movement is set in front shell, and one end of the length direction of brake pushrod is equipped with push rod end face, pushes away
Rod end surface movement is set in aft case, and third spring-leaf retainer is set on bulge loop.
5. two-stage pedal sense simulator according to claim 4, which is characterized in that the second elastic parts is by elastoplastic
The elastic element being made, the second elastic parts are cylindrical structure, and the face area of the second elastic parts is not less than push rod
The area of end face.
6. two-stage pedal sense simulator according to claim 1, which is characterized in that emergency button is opened for mechanical contact-type
It closes, emergency button is normally open.
7. a kind of automobile brake pedal mechanism characterized by comprising
Mounting bracket, including connected the first mounting portion and the second mounting portion, the second installation position is in the lower section of the first mounting portion；
Brake pedal, including pedal body and pedal shaft, the top of pedal shaft are rotatably dispose on the first mounting portion, pedal
Ontology is set to the bottom end of pedal shaft to drive pedal shaft to rotate around the tie point of itself and the first mounting portion；
Such as claim 1-6, any two-stage pedal sense simulator, two-stage pedal sense simulator are set to the second peace
In dress portion, brake pushrod is also flexibly connected with pedal shaft；
Inductive pick-up is set on pedal body, for perceiving the braking intention of driver in advance；
Pedal displacement sensor is set on the first mounting portion and connect with the top of pedal shaft, drives for accurately identifying
The braking intention for the person of sailing.
8. automobile brake pedal mechanism according to claim 7, which is characterized in that inductive pick-up is infrared-sensing type sensor
Or ultrasonic sensor.
9. automobile brake pedal mechanism according to claim 7, which is characterized in that pedal displacement sensor be it is double can rheostat angle
Displacement sensor or Hall-type angular displacement sensor.
10. automobile brake pedal mechanism according to claim 9, which is characterized in that it is double can rheostat angular displacement sensor include
Inductor shell, induction shaft, the first sliding block, the first slide plate, the second sliding block and the second slide plate, inductor shell are set to first
On mounting portion, the first slide plate, the second slide plate are consistent for the radian of arcuate structure and the two, and the first slide plate and the fixation of the second slide plate are set
It is placed in inductor shell, the one end for incuding the length direction of shaft is fixedly connected with the top of pedal shaft, the first sliding block,
Two sliding blocks are set to the other end of the length direction of induction shaft and setting interval are provided therebetween, and the movement of the first sliding block is set
It is placed on the first slide plate, the movement of the second sliding block is set on the second slide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224411.2A CN107139905B (en) | 2017-04-07 | 2017-04-07 | A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224411.2A CN107139905B (en) | 2017-04-07 | 2017-04-07 | A kind of two-stage pedal sense simulator and its automobile brake pedal mechanism |
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| Publication Number | Publication Date |
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| CN107139905A CN107139905A (en) | 2017-09-08 |
| CN107139905B true CN107139905B (en) | 2019-08-27 |
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| CN107600056B (en) * | 2017-09-20 | 2023-08-25 | 吉林大学 | Pedal feeling simulation and travel calculation device applied to driving simulator |
| CN112896116B (en) * | 2021-03-19 | 2022-07-08 | 江苏理工学院 | Electromagnetic regulation type intelligent pedal mechanism for braking feeling of electric automobile |
| DE102021119443A1 (en) * | 2021-07-27 | 2023-02-02 | Zf Active Safety Gmbh | brake pedal module |
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| WO2001072565A1 (en) * | 2000-03-27 | 2001-10-04 | Continental Teves Ag & Co. Ohg | Method for detecting an emergency braking situation or a suspected emergency braking situation of a vehicle |
| KR101853771B1 (en) * | 2013-06-10 | 2018-05-02 | 주식회사 만도 | Device for regulate of flex brake pedal feeling |
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| CN101982356A (en) * | 2010-11-14 | 2011-03-02 | 江苏技术师范学院 | Automobile brake pedal mechanism and pedal feeling simulator thereof |
| CN104442754A (en) * | 2014-11-27 | 2015-03-25 | 江苏理工学院 | Variable resistance type manual control brake operating device |
| CN205220643U (en) * | 2015-11-16 | 2016-05-11 | 浙江万向精工有限公司 | A footboard sensation simulator for drive -by -wire braking system |
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