CN107161123A - A kind of adjustable damping pedal sense simulator and its automobile brake pedal mechanism - Google Patents

A kind of adjustable damping pedal sense simulator and its automobile brake pedal mechanism Download PDF

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Publication number
CN107161123A
CN107161123A CN201710224760.4A CN201710224760A CN107161123A CN 107161123 A CN107161123 A CN 107161123A CN 201710224760 A CN201710224760 A CN 201710224760A CN 107161123 A CN107161123 A CN 107161123A
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China
Prior art keywords
pedal
housing
spring
elastic parts
brake
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CN201710224760.4A
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CN107161123B (en
Inventor
王奎洋
施伟
马志航
顾冲
王忠收
张�杰
姜庆歧
唐金花
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Jiangsu University of Technology
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Jiangsu University of Technology
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Publication of CN107161123A publication Critical patent/CN107161123A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T7/00Brake-action initiating means
    • B60T7/02Brake-action initiating means for personal initiation
    • B60T7/04Brake-action initiating means for personal initiation foot actuated
    • B60T7/042Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors

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  • Engineering & Computer Science (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 adjustable damping pedal sense simulator and its automobile brake pedal mechanism, automobile brake pedal mechanism includes mounting bracket, brake pedal, adjustable damping pedal sense simulator, inductive pick-up and pedal displacement sensor, and adjustable damping pedal sense simulator includes the first pedal sense simulation mechanism, bindiny mechanism, the second pedal sense simulation mechanism, brake pushrod, drive connection mechanism and emergency button.The present invention is compared to prior art, inductive pick-up is used for the braking intention for perceiving driver in advance, pedal displacement sensor is used for the braking intention for accurately identifying driver, and the characteristic regulation of braking operation can be achieved by the regulation of hydraulic oil flow area and flow damping;Compact conformation, easy to operate, response is rapid, and brake feel is adjustable, improves the stability, comfortableness and security of braking, and with pre-identification braking intention and emergency brake function.

Description

A kind of adjustable damping pedal sense simulator and its automobile brake pedal mechanism
Technical field
The invention belongs to vehicle brake apparatus technical field, and in particular to a kind of adjustable damping pedal sense simulator and Its automobile brake pedal mechanism.
Background technology
Brakes is one of important component of automobile chassis, is directly connected to comprehensive vehicle performance and lives and properties Safety.Although conventional hydraulic formula, pneumatic brake system disclosure satisfy that the requirements of existing brake legislation, pipe is there is Road arrangement is complicated, actively can not be adjusted and be difficult to and other by vacuum booster unit, braking response speed relatively slow, braking moment The weak points, the demand for development of the integrated control of unsuitable automobile especially electric automobile chassis such as system integration control.
The electric controlled brake system reality decoupling of brake treadle mechanism and brake actuator, mainly there is electro-hydraulic brake Two kinds of system (EHB) and electromechanical braking system (EMB), are eliminated straight between brake treadle mechanism and brake actuator Connect in succession, using electric wire as information transmission media, electronic control unit recognizes braking intention, control system according to relevant sensor signals Dynamic executing agency's action, realizes the control to each wheel braking force, with fast independent of vacuum booster unit, dynamic response Speed, the advantages of be easily integrated control, it compensate for the deficiency on Conventional braking systems structural principle.
Because 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, and brake pedal structure and operator brake sensation etc. can all be varied widely, because This needs to carry out brand-new design to automobile decoupling distributed brake Braking system pedal gear.At present, in the vapour that can have inquired about It is that Authorization Notice No. is with maximally related technology of the invention in car brake system pedal gear relevant information CN101982356B patent of invention --- automobile brake pedal mechanism and its pedal sense simulator and Authorization Notice No. are A kind of CN201989768U utility model patent --- brake pedal apparatus of automobile line control brake system.Above-mentioned utility model The braking intention of driver is recognized using pedal displacement sensor, is stepped on using the braking of magnetic flow liquid variable damp characteristics dynamic regulation Plate damping force, improves brake pedal feel and automobile brake perfrmance.Foregoing invention using piezoelectric type pedal pressing force sensor with Pedal Linear displacement transducer recognizes the braking intention of driver jointly, and pedal sense analog functuion part uses dual spring machine Structure, when middle small intensity is braked, only outer lateral spring works;In high intensity or brake hard, medial and lateral spring is joined simultaneously With work.But, magnetic flow liquid formula pedal sense simulator is sensed with piezoelectric type pedal pressing force in foregoing invention in foregoing invention Device etc., all has that complicated, the cumbersome, cost of control is higher and realizes, and both do not account for braking meaning Figure pre-identification and emergency brake function.To so far, the adjustable resistance with braking intention pre-identification and emergency brake function Buddhist nun's pedal sense simulator and its automobile brake pedal mechanism, which also rarely have, to be referred to.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of adjustable damping pedal sense simulator and its automobile Brake treadle mechanism.
In order to achieve the above object, technical scheme is as follows:
The present invention provides a kind of adjustable damping pedal sense simulator, including:
First pedal sense simulation mechanism, including the first housing, the first elastic parts and the 3rd elastic parts, the first housing Axial two ends be respectively equipped with cover board of front end and rear-end plate, the first elastic parts seals and is movably arranged at the first housing In axial cavity and it is close proximity in original state in cover board of front end, the 3rd elastic parts is arranged on rear-end plate;
Bindiny mechanism, including be arranged at the second housing below the first housing, the upper surface of the second housing and lower surface Centre position is provided with center hole, and axial cavity of the center hole respectively with the first housing, the 3rd housing is connected, the second housing Side end face on be additionally provided with the side through hole being connected with center hole;
Second pedal sense simulation mechanism, including the 3rd housing and the second elastic parts, axial one end of the 3rd housing is set There are bottom head covers, the axle center and the axle center of the first housing of the 3rd housing are mutually perpendicular to, the second elastic parts is sealed and movably set It is placed in the axial cavity of the 3rd housing and in original state with certain preload, the first housing, the second housing and the Hydraulic oil is filled with the space being connected between three housings;
Brake pushrod, it is movably set in first shell body and is connected with the first elastic parts;
Drive connection mechanism, it is arranged at the outside of the second housing and movement is arranged in side through hole;
Emergency button, it is arranged on rear-end plate and positioned at the center of the 3rd elastic parts, and emergency button is machine Tool contact is switched, and emergency button is normally open.
The present invention is compared to prior art, successively using the second elastic parts, the first elastic parts, the 3rd elastic parts point Not Wei main effect analog form, can effective simulating brake pedal gear control feel, pass through hydraulic oil flow area and stream The characteristic regulation of braking operation can be achieved in the regulation of dynamic damping;Compact conformation, easy to operate, response is rapid, brake feel It is adjustable, improve the stability, comfortableness and security of braking.
As preferred scheme, the first above-mentioned elastic parts includes the first spring-leaf retainer, second spring seat ring, the first bullet Spring, sealing ring and emergent push rod, the first spring-leaf retainer, second spring seat ring along the first housing axially by its front end to the back-end successively In the axial cavity for being arranged at the first housing, the first spring is arranged on the first spring-leaf retainer and second spring seat ring, sealing ring It is sheathed on second spring seat ring, emergent push rod is arranged on second spring seat ring.
The 3rd above-mentioned elastic parts is flexible member, and flexible member is made by elastoplast, and flexible member is circle Rod structure, flexible member is arranged on rear-end plate, and emergency button is arranged on rear-end plate and positioned at the center of flexible member Position.
The second above-mentioned elastic parts includes second spring and piston, and axial movement of the piston along the 3rd housing is arranged at the In the axial cavity of three housings, second spring is arranged between piston and bottom head covers, and the stiffness coefficient of the first spring is more than the The stiffness coefficient of two springs.
Above-mentioned drive connection mechanism includes motor, screw mandrel, nut and pilot plunger, and motor is arranged at second The outside of housing and its output end is connected with screw mandrel, nut sleeve be connected on screw mandrel and with wire rod thread, pilot plunger setting In on the axial end of nut and movement be arranged in side through hole.
Using above-mentioned limited scheme, filled in the space being connected between the first housing, the second housing and the 3rd housing There is hydraulic oil so that the first spring and second spring, with certain preload, and make the first spring-leaf retainer in original state It is close proximity in cover board of front end.When middle small intensity is braked, mainly by second spring simulate in small intensity brake feel;Big strong During degree braking, second spring has been compressed near the limit, and the brake feel of big intensity is mainly simulated by the first spring;Urgent During braking, motor action drives screw mandrel to rotate so that nut is to side through hole medial movement, so as to drive pilot plunger to move It is dynamic, reduce the flow area of hydraulic oil, so as to suitably increase brake pedal resistance, actively adjust brake feel, meet urgent system Demand when dynamic.When brakes goes wrong, brake pushrod is pushed to bottom, and flexible member compressive deformation is larger so that should Anxious switch closure, can start alternate brake function.
As preferred scheme, the present invention provides a kind of automobile brake pedal mechanism, including:
Mounting bracket, including connected the first installation portion and the second installation portion, the second installation position is in the first installation portion Lower section;
Brake pedal, including pedal body and pedal shaft, the top of pedal shaft, which is rotated, to be arranged on the first installation portion, Pedal body is arranged at the bottom of pedal shaft to drive pedal shaft to be rotated around the tie point of itself and the first installation portion;
Adjustable damping pedal sense simulator, adjustable damping pedal sense simulator is arranged on the second installation portion, Brake pushrod is also flexibly connected with pedal shaft;
Inductive pick-up, it is arranged on pedal body, the braking intention for perceiving driver in advance;
Pedal displacement sensor, it is arranged on the first installation portion and is connected with the top of pedal shaft, for accurately knowing The braking intention of other driver.
Using above-mentioned preferred scheme, inductive pick-up can perceive the braking intention of driver in advance, be that braking moment is real Apply and braking force distribution is provided and set aside some time, so as to shorten the braking corresponding time, put forward car synthetical restraint performance;Pedal displacement Sensor can improve the control accuracy and fault-tolerant ability of brakes.
Meanwhile, mounting bracket is the installation foundation of whole brake treadle mechanism, solid by bolt, nut and vehicle body, vehicle frame Fixed connection, mounting bracket uses L-type structure.
In addition, above-mentioned inductive pick-up is infrared-sensing type sensor or ultrasonic sensor, pedal displacement sensing Device for it is double can rheostat angular displacement sensor or Hall-type angular displacement sensor.It is double can rheostat angular displacement sensor include sensing Device housing, sensing rotating shaft, the first sliding block, the first slide plate, the second sliding block and the second slide plate, inductor housing are arranged at the first installation In portion, the first slide plate, the second slide plate are arcuate structure and the radian of the two is consistent, and the first slide plate and the second slide plate are fixedly installed on In inductor housing, one end of length direction of sensing rotating shaft is fixedly connected with the top of pedal shaft, and the first sliding block, second are slided Block is arranged at the other end of the length direction of sensing rotating shaft and setting interval is provided therebetween, and the movement of the first sliding block is arranged at On first slide plate, the movement of the second sliding block is arranged on the second slide plate.
Brief description of the drawings
Fig. 1 is the structural representation of the adjustable damping pedal sense simulator of the present invention.
Fig. 2 is the structural representation of the automobile brake pedal mechanism of the present invention.
Fig. 3 is the structural representation of the pedal displacement sensor of the present invention.
Fig. 4 is the circuit diagram of the pedal displacement sensor of the present invention.
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, as shown in Figure 1 to Figure 2, provided in the one of which embodiment of the present invention A kind of adjustable damping pedal sense simulator, including:
First pedal sense simulation mechanism 6, including the first housing 12, the first elastic parts and the 3rd elastic parts, first The axial two ends of housing 12 are respectively equipped with cover board of front end 10 and rear-end plate, and the first elastic parts seals and is movably arranged at the In the axial cavity of one housing 12 and it is close proximity in original state in cover board of front end 10, the 3rd elastic parts is arranged at rear end cap On plate;
Bindiny mechanism 7, including the second housing 20 of the lower section of the first housing 12 is arranged at, the upper surface of the second housing 20 is with The centre position of end face is provided with center hole, and axial cavity of the center hole respectively with the first housing 12, the 3rd housing 21 is connected It is logical, it is additionally provided with the side through hole being connected with center hole on the side end face of the second housing 20;
Second pedal sense simulation mechanism 8, including the 3rd housing 21 and the second elastic parts, the axial direction one of the 3rd housing 21 End is provided with bottom head covers, and the axle center of the 3rd housing 21 and the axle center of the first housing 12 be mutually perpendicular to, the second elastic parts seal and Movably it is arranged in the axial cavity of the 3rd housing 21 and in original state with certain preload;
Brake pushrod 3, it is movably set in the first housing 12 and is connected with the first elastic parts;
Drive connection mechanism, it is arranged at the outside of the second housing 20 and movement is arranged in side through hole;
Hydraulic oil is filled with the space being connected between first housing 12, the second housing 20 and the 3rd housing 21;
Emergency button 18, it is arranged on rear-end plate and positioned at the center of the 3rd elastic parts, and emergency button is Mechanical contact-type is switched, and emergency button is normally open.
Present embodiment is compared to prior art, successively using the second elastic parts, the first elastic parts, the 3rd elastic group Part is respectively the analog form of main effect, can effective simulating brake pedal gear control feel, pass through hydraulic oil flow area The characteristic regulation of braking operation can be achieved in regulation with flow damping;Compact conformation, easy to operate, response is rapid, braking Feel adjustable, improve the stability, comfortableness and security of braking.
As shown in figure 1, the implementation result in order to further optimize the present invention, in another embodiment of the invention In, on the basis of foregoing teachings, above-mentioned the first elastic parts includes the first spring-leaf retainer 11, second spring seat ring 15, the One spring 13, sealing ring 14 and emergent push rod 16, the first spring-leaf retainer 11, second spring seat ring 15 along the first housing 12 axially by Its front end is set in turn in the axial cavity of the first housing 12 to the back-end, and the first spring 13 is arranged at the He of the first spring-leaf retainer 11 On second spring seat ring 15, sealing ring 14 is sheathed on second spring seat ring 15, and emergent push rod 16 is arranged at second spring seat ring On 15, push rod 16 of meeting an urgent need is provided with disc-shaped structure.
The 3rd above-mentioned elastic parts is flexible member 17, and flexible member 17 is made by elastoplast, flexible member 17 be cylindrical structure, and flexible member 17 is arranged on rear-end plate, and emergency button 18 is arranged on rear-end plate and positioned at elasticity The center of element 17.
The second above-mentioned elastic parts includes second spring 23 and piston 22, axial movement of the piston 22 along the 3rd housing 21 In the axial cavity for being arranged at the 3rd housing 21, second spring 23 is arranged between piston 22 and bottom head covers, the first spring 13 Stiffness coefficient be more than second spring 23 stiffness coefficient.
Above-mentioned drive connection mechanism includes motor 9, screw mandrel 25, nut 24 and pilot plunger 19, and motor 9 is set The outside and its output end for being placed in the second housing 20 are connected with screw mandrel 25, nut 24 be sheathed on screw mandrel 25 and with the screw thread of screw mandrel 25 Connection, pilot plunger 19 is arranged on the axial end of nut 24 and movement is arranged in side through hole.
Using above-mentioned limited scheme, the space being connected between the first housing 12, the second housing 20 and the 3rd housing 21 It is interior to be filled with hydraulic oil so that the first spring 13 and second spring 23, with certain preload, and make the in original state One spring-leaf retainer 11 is close proximity in cover board of front end 10.
When middle small intensity is braked, mainly by second spring 23 simulate in small intensity brake feel.
When big intensity is braked, second spring 23 has been compressed near the limit, is mainly simulated by the first spring 13 big strong The brake feel of degree.
In brake hard, motor 9 action drive screw mandrel 25 rotate so that nut 24 to side through hole medial movement, So as to drive pilot plunger 19 to move, reduce the flow area of hydraulic oil, so as to suitably increase brake pedal resistance, actively adjust Brake feel, meets demand during brake hard.
When brakes goes wrong, brake pushrod is pushed to bottom, and flexible member compressive deformation is larger so that emergent to open Close and close, alternate brake function can be started.Appropriate location in driver's cabin on instrument board is provided with brake feel adjusting means, Including " increase " and " reduction " two basic buttons.When pressing " increase " button, motor 9 is rotated forward, and passes through screw mandrel 25 Nut 24 is driven to side through hole medial movement so that pilot plunger 19 increases brake pedal force to side through hole medial movement;Press During " reduction " button, motor 7 is rotated backward, and drives nut 24 to movement on the outside of side through hole by screw mandrel 25 so that regulation Plunger 19 reduces brake pedal force to movement on the outside of side through hole.Driver can be accustomed to according to the personal like of oneself, independently change Become the characteristic working curve of pedal sense simulator.Moreover, the storing mechanism of brakes has different driver's regulation data Memory function, different drivers can be by memory function, characteristic working curve set by One-key recovery oneself last time.
As shown in Fig. 2 the implementation result in order to further optimize the present invention, in another embodiment of the invention In, on the basis of foregoing teachings, the present invention provides a kind of automobile brake pedal mechanism, including:
Mounting bracket 4, including connected the first installation portion and the second installation portion, the second installation position is in the first installation portion Lower section;
Brake pedal 1, including pedal body and pedal shaft, the top of pedal shaft, which is rotated, is arranged at the first installation portion On, pedal body is arranged at the bottom of pedal shaft to drive pedal shaft to be rotated around the tie point of itself and the first installation portion;
Adjustable damping pedal sense simulator, adjustable damping pedal sense simulator is arranged on the second installation portion, Brake pushrod is also flexibly connected with pedal shaft;
Inductive pick-up 2, it is arranged on pedal body, the braking intention for perceiving driver in advance;
Pedal displacement sensor 5, it is arranged on the first installation portion and is connected with the top of pedal shaft, for accurately knowing The braking intention of other driver.
Using above-mentioned preferred scheme, inductive pick-up can perceive the braking intention of driver in advance, be that braking moment is real Apply and braking force distribution is provided and set aside some time, so as to shorten the braking corresponding time, put forward car synthetical restraint performance;Pedal displacement Sensor can improve the control accuracy and fault-tolerant ability of brakes.
Wherein, mounting bracket 4 is the installation foundation of whole brake treadle mechanism, solid by bolt, nut and vehicle body, vehicle frame Fixed connection, mounting bracket uses L-type structure.
In order to further optimize the implementation result of the present invention, in another embodiment of the invention, foregoing interior On the basis of appearance, above-mentioned inductive pick-up 2 is infrared-sensing type sensor or ultrasonic sensor, specifically can be according to reality Border situation selection.
Using above-mentioned preferred scheme, in automobile brake, when driver moves to right crus of diaphragm above brake pedal, sensing Sensor 2 can perceive the braking intention of driver in advance before driver implements actual braking, be braking moment implement and Braking force distribution is provided and set aside some time, so as to shorten the braking corresponding time, puies forward car synthetical restraint performance.Inductive pick-up 2 The time difference between signal and the generation signal of pedal displacement sensor 5 is produced by inductive pick-up 2 in detection range, can Prejudge the urgency level of this braking.Different urgency levels, brake actuator uses different control strategies, for example During brake hard, brake actuator should increase braking moment with gathering way that pedal displacement changes so that automobile can be fast Speed parking, and improve brake safe performance.
In order to further optimize the implementation result of the present invention, in another embodiment of the invention, foregoing interior On the basis of appearance, above-mentioned pedal displacement sensor 5 for it is double can rheostat angular displacement sensor or Hall-type angular displacement sensor.
As shown in Figure 3 to Figure 4, it is double can rheostat angular displacement sensor include inductor housing, sensing rotating shaft 26, first slide Block 27, the first slide plate 28, the second sliding block 30 and the second slide plate 29, inductor housing are arranged on the first installation portion, the first slide plate 28th, the second slide plate 29 is arcuate structure and the radian of the two is consistent, and the first slide plate 28 and the second slide plate 29 are fixedly installed on sensing In device housing, one end of length direction of sensing rotating shaft 26 is fixedly connected with the top of pedal shaft, and the first sliding block 27, second is slided Block 30 is arranged at the other end of the length direction of sensing rotating shaft 26 and setting interval is provided therebetween, and the first sliding block 27 is moved It is arranged on the first slide plate 28, the movement of the second sliding block 30 is arranged on the second slide plate 29.
Using above-mentioned 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, sensing rotating shaft is rotated with pedal shaft, the first sliding block 27,30 points of the second sliding block Do not slided on the first slide plate 28, the second slide plate 29, output pedal displacement and change in displacement rate information, for judging driver's Braking intention.Two slide rheostat cooperatings, can improve the control accuracy and fault-tolerant ability of brakes.If wherein one It is individual to break down, it can be worked on according to another signal, and warning reminding driver repairs as early as possible in time.The above is only this The preferred embodiment of invention, it is noted that for the person of ordinary skill of the art, is not departing from the invention structure On the premise of think of, various modifications and improvements can be made, these belong to protection scope of the present invention.

Claims (9)

1. a kind of adjustable damping pedal sense simulator, it is characterised in that including:
First pedal sense simulation mechanism, including the first housing, the first elastic parts and the 3rd elastic parts, the axle of the first housing Cover board of front end and rear-end plate are respectively equipped with to two ends, the first elastic parts seals and is movably arranged at the axial direction of the first housing In cavity and it is close proximity in original state in cover board of front end, the 3rd elastic parts is arranged on rear-end plate;
Bindiny mechanism, including it is arranged at the second housing below the first housing, the upper surface of the second housing and the centre of lower surface Position is provided with center hole, and axial cavity of the center hole respectively with the first housing, the 3rd housing is connected, the side of the second housing The side through hole being connected with center hole is additionally provided with end face;
Second pedal sense simulation mechanism, including the 3rd housing and the second elastic parts, axial one end of the 3rd housing are provided with bottom Portion's end cap, the axle center and the axle center of the first housing of the 3rd housing are mutually perpendicular to, and the second elastic parts is sealed and is movably arranged at With certain preload, the first housing, the second housing and the 3rd shell in the axial cavity of 3rd housing and in original state Hydraulic oil is filled with the space being connected between body;
Brake pushrod, it is movably set in first shell body and is connected with the first elastic parts;
Drive connection mechanism, it is arranged at the outside of the second housing and movement is arranged in side through hole;
Emergency button, it is arranged on rear-end plate and positioned at the center of the 3rd elastic parts.
2. adjustable damping pedal sense simulator according to claim 1, it is characterised in that the first elastic parts includes first Spring-leaf retainer, second spring seat ring, the first spring, sealing ring and emergent push rod, the first spring-leaf retainer, second spring seat ring are along One housing is axially set in turn in the axial cavity of the first housing to the back-end by its front end, and the first spring is arranged at the first spring On seat ring and second spring seat ring, sealing ring is sheathed on second spring seat ring, and emergent push rod is arranged on second spring seat ring.
3. adjustable damping pedal sense simulator according to claim 2, it is characterised in that the 3rd elastic parts is elasticity member Part, flexible member is made by elastoplast, and flexible member is cylindrical structure, and flexible member is arranged on rear-end plate, should Anxious switch is arranged on rear-end plate and positioned at the center of flexible member.
4. adjustable damping pedal sense simulator according to claim 3, it is characterised in that the second elastic parts includes second Spring and piston, piston are arranged in the axial cavity of the 3rd housing along the axial movement of the 3rd housing, and second spring is arranged at Between piston and bottom head covers, the stiffness coefficient of the first spring is more than the stiffness coefficient of second spring.
5. adjustable damping pedal sense simulator according to claim 4, it is characterised in that drive connection mechanism includes driving Motor, screw mandrel, nut and pilot plunger, motor is arranged at the outside of the second housing and its output end is connected with screw mandrel, spiral shell Mother set is connected on screw mandrel and with wire rod thread, and pilot plunger is arranged on the axial end of nut and the mobile side that is arranged at leads to In hole.
6. a kind of automobile brake pedal mechanism, it is characterised in that including:
Mounting bracket, including connected the first installation portion and the second installation portion, the second installation position is in the lower section of the first installation portion;
Brake pedal, including pedal body and pedal shaft, the top of pedal shaft, which is rotated, to be arranged on the first installation portion, pedal Body is arranged at the bottom of pedal shaft to drive pedal shaft to be rotated around the tie point of itself and the first installation portion;
Such as adjustable damping pedal sense simulator any claim 1-5, adjustable damping pedal sense simulator is set In on the second installation portion, brake pushrod is also flexibly connected with pedal shaft;
Inductive pick-up, it is arranged on pedal body, the braking intention for perceiving driver in advance;
Pedal displacement sensor, it is arranged on the first installation portion and is connected with the top of pedal shaft, is driven for accurately identifying The braking intention for the person of sailing.
7. automobile brake pedal mechanism according to claim 6, it is characterised in that inductive pick-up is infrared-sensing type sensor Or ultrasonic sensor.
8. automobile brake pedal mechanism according to claim 6, it is characterised in that pedal displacement sensor for it is double can rheostat angle Displacement transducer or Hall-type angular displacement sensor.
9. automobile brake pedal mechanism according to claim 8, it is characterised in that it is double can rheostat angular displacement sensor include sense Device housing, sensing rotating shaft, the first sliding block, the first slide plate, the second sliding block and the second slide plate are answered, inductor housing is arranged at the first peace In dress portion, the first slide plate, the second slide plate are arcuate structure and the radian of the two is consistent, and the first slide plate and the second slide plate are fixedly installed In in inductor housing, one end of length direction of sensing rotating shaft is fixedly connected with the top of pedal shaft, the first sliding block, second Sliding block is arranged at the other end of the length direction of sensing rotating shaft and setting interval is provided therebetween, and the movement of the first sliding block is set In on the first slide plate, the movement of the second sliding block is arranged on the second slide plate.
CN201710224760.4A 2017-04-07 2017-04-07 A kind of adjustable damping pedal sense simulator and its automobile brake pedal mechanism Active CN107161123B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228455A (en) * 2019-06-12 2019-09-13 吉林大学 A kind of braking simulator that the adjustable pedal with fail safe is felt
CN110329227A (en) * 2019-08-09 2019-10-15 上海拿森汽车电子有限公司 A kind of pedal simulator, Electric booster and vehicle
CN112918440A (en) * 2021-03-19 2021-06-08 江苏理工学院 Formula intelligence pedal mechanism is adjusted to electric automobile braking sensation damping

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2002308084A (en) * 2001-04-18 2002-10-23 Nissan Motor Co Ltd Stroke simulator
CN101982356B (en) * 2010-11-14 2012-07-25 江苏技术师范学院 Automobile brake pedal mechanism and pedal feeling simulator thereof
CN203766732U (en) * 2014-01-28 2014-08-13 同济大学 Passive type pedal feeling simulation device
CN104709248A (en) * 2013-12-13 2015-06-17 株式会社万都 Pedal feeling adjusting device
CN105313857A (en) * 2014-06-26 2016-02-10 株式会社万都 Pedal simulator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2002308084A (en) * 2001-04-18 2002-10-23 Nissan Motor Co Ltd Stroke simulator
CN101982356B (en) * 2010-11-14 2012-07-25 江苏技术师范学院 Automobile brake pedal mechanism and pedal feeling simulator thereof
CN104709248A (en) * 2013-12-13 2015-06-17 株式会社万都 Pedal feeling adjusting device
CN203766732U (en) * 2014-01-28 2014-08-13 同济大学 Passive type pedal feeling simulation device
CN105313857A (en) * 2014-06-26 2016-02-10 株式会社万都 Pedal simulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110228455A (en) * 2019-06-12 2019-09-13 吉林大学 A kind of braking simulator that the adjustable pedal with fail safe is felt
CN110228455B (en) * 2019-06-12 2024-03-15 吉林大学 Brake simulator with failure protection and adjustable pedal feel
CN110329227A (en) * 2019-08-09 2019-10-15 上海拿森汽车电子有限公司 A kind of pedal simulator, Electric booster and vehicle
CN110329227B (en) * 2019-08-09 2024-02-09 上海拿森汽车电子有限公司 Pedal simulator, electric booster and vehicle
CN112918440A (en) * 2021-03-19 2021-06-08 江苏理工学院 Formula intelligence pedal mechanism is adjusted to electric automobile braking sensation damping

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