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CN112849108A - Device for simulating force feedback of automobile brake pedal - Google Patents

Device for simulating force feedback of automobile brake pedal Download PDF

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Publication number
CN112849108A
CN112849108A CN202110306123.8A CN202110306123A CN112849108A CN 112849108 A CN112849108 A CN 112849108A CN 202110306123 A CN202110306123 A CN 202110306123A CN 112849108 A CN112849108 A CN 112849108A
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CN
China
Prior art keywords
force feedback
brake pedal
hydraulic cylinder
pedal
base
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Pending
Application number
CN202110306123.8A
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Chinese (zh)
Inventor
胡建
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Shenzhen Cammus Electronic Technology Co ltd
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Shenzhen Cammus Electronic Technology Co ltd
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Priority to CN202110306123.8A priority Critical patent/CN112849108A/en
Publication of CN112849108A publication Critical patent/CN112849108A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
    • B60T8/4081—Systems with stroke simulating devices for driver input
    • B60T8/4086—Systems with stroke simulating devices for driver input the stroke simulating device being connected to, or integrated in the driver input device

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)

Abstract

本发明公开了一种模拟汽车制动踏板力反馈的装置，属于汽车、赛车驾驶模拟器技术领域，该模拟汽车制动踏板力反馈的装置包括踏板、阻尼组件、底座，所述踏板一端铰接在底座上，另一端与阻尼组件铰接连接，阻尼组件另一端与所述底座铰接连接；本发明提供三种阻尼结构，模拟汽车制动踏板踩下时的力反馈体验，结构简单，脚感真实、细腻。

Figure 202110306123

The invention discloses a device for simulating the force feedback of an automobile brake pedal, belonging to the technical field of driving simulators for automobiles and racing cars. The device for simulating the force feedback of the automobile brake pedal comprises a pedal, a damping component and a base. One end of the pedal is hinged on the On the base, the other end is hingedly connected with the damping component, and the other end of the damping component is hingedly connected with the base; the present invention provides three damping structures to simulate the force feedback experience when the automobile brake pedal is pressed, and the structure is simple, the foot feeling is real, exquisite.

Figure 202110306123

Description

Device for simulating force feedback of automobile brake pedal
Technical Field
The invention belongs to the technical field of driving simulators of automobiles and racing cars, and particularly relates to a device for simulating force feedback of an automobile brake pedal.
Background
In the field of simulators of automobiles and racing cars, the behaviors of brake pedals of automobiles are generally simulated by detecting the displacement, braking force and the like of the brake pedals. Because the brake system of the automobile generally comprises complex hardware such as vacuum boosting, an oil pressure system, a brake caliper and the like, how to lead the force feedback experience of the simulator when the brake pedal is treaded to be close to the real automobile brake pedal is a difficult problem.
Disclosure of Invention
The invention aims to provide a device for simulating the force feedback of a brake pedal of an automobile, which is used for providing a driving simulator of the automobile and the racing car, which has simple structure and can be quickly assembled and disassembled.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a device of simulation automobile brake pedal force feedback, this device of simulation automobile brake pedal force feedback includes footboard, damping subassembly, base, footboard one end articulates on the base, and the other end is connected with damping subassembly is articulated, the damping subassembly other end with the base is articulated to be connected.
Preferably, the damping component comprises an outer barrel, an inner rod penetrates through the outer barrel, the front end of the inner rod is hinged inside the pedal, the tail end of the inner rod is hinged on the base, three polyurethane damping blocks are arranged along the length direction of the inner rod, a metal spacer is fixed between every two polyurethane damping blocks, and a spring is fixed between the metal spacer close to the base end and the outer barrel.
Preferably, the damping component comprises a hydraulic cylinder, the bottom of the hydraulic cylinder is hinged to the base, a piston is connected to the inside of the hydraulic cylinder in a sliding mode, the front end of the piston is hinged to the pedal, hydraulic oil is filled between the piston and the hydraulic cylinder, the end, far away from the pedal, of the hydraulic cylinder is connected with an expansion pipe, and the end, far away from the hydraulic cylinder, of the expansion pipe is fixed to the base.
Preferably, the damping subassembly includes the pneumatic cylinder, the pneumatic cylinder bottom articulates on the base, pneumatic cylinder inside slides and is connected with first piston, first piston front end articulates and connects on the footboard, it has hydraulic oil to fill between first piston and the pneumatic cylinder, the pneumatic cylinder is kept away from the footboard end and is connected with the attenuator, the inside slide of attenuator is connected with the second piston, second piston upper end is fixed with the metal spacer, be equipped with polyurethane damping piece on the metal spacer, attenuator upper end lid has closed the cover, be fixed with the spring between cover inner wall and the metal spacer, attenuator and the inside intercommunication of pneumatic cylinder.
The invention has the beneficial effects that: the invention provides a device for simulating force feedback of an automobile brake pedal, which comprises the following components:
(1) the force feedback experience of the brake pedal can be changed by replacing polyurethane with different rigidity; the force feedback experience of the brake pedal can be changed by replacing springs with different rigidity and length; the pre-tensioning of the spring is adjusted to change the force feedback experience of the brake pedal, the polyurethane and the spring are used for simulating the force feedback experience when the automobile brake pedal is stepped on, and the force feedback simulation device is low in cost and good in effect.
(2) The force feedback experience of the brake pedal can be changed by replacing expansion pipes with different rigidity, pipe diameters and lengths; the force feedback experience of the brake pedal can be changed by replacing the hydraulic cylinders with different cylinder diameters, the force feedback experience when the automobile brake pedal is stepped on is simulated by using the hydraulic cylinders and the expansion pipes, the structure is simple, and the foot feeling is real and fine.
(3) The brake pedal force feedback experience can be changed by changing the polyurethane damping blocks with different rigidity, the brake pedal force feedback experience can be changed by changing the springs with different rigidity and length, the brake pedal force feedback experience can be changed by adjusting the pretension of the springs through the rotary cylinder cover, the brake pedal force feedback experience can be changed by changing the hydraulic cylinders with different cylinder diameters, the force feedback experience when the automobile brake pedal is stepped on is simulated by using the hydraulic cylinders and the dampers, the foot feeling is real, and the adjustment is convenient.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a device for simulating force feedback of a brake pedal of an automobile, provided by the invention;
FIG. 2 is a schematic structural diagram of a damping assembly of embodiment 1 of the device for simulating force feedback of a brake pedal of an automobile provided by the invention;
FIG. 3 is a schematic structural diagram of embodiment 2 of the device for simulating the force feedback of the brake pedal of the automobile, provided by the invention;
FIG. 4 is a schematic structural diagram of a damping assembly of embodiment 2 of the device for simulating force feedback of a brake pedal of an automobile, provided by the invention;
FIG. 5 is a schematic structural diagram of embodiment 3 of the device for simulating the force feedback of the brake pedal of the automobile, provided by the invention;
FIG. 6 is a schematic structural diagram of a damping assembly of embodiment 3 of the device for simulating force feedback of a brake pedal of an automobile, provided by the invention;
in the figure: 1. a pedal; 2. a damping assembly; 3. a base; 4. an outer cylinder; 5. an inner rod; 6. a polyurethane damping block; 7. a metal spacer; 8. a spring; 9. a hydraulic cylinder; 10. a piston; 11. hydraulic oil; 12. an expansion tube; 13. a first piston; 14. a damper; 15. a second piston; 16. and (4) a cylinder cover.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.
Referring to fig. 1-6, a device for simulating force feedback of a brake pedal of an automobile according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The device for simulating the force feedback of the automobile brake pedal comprises a pedal 1, a damping component 2 and a base 3, wherein one end of the pedal 1 is hinged to the base 3, the other end of the pedal is hinged to the damping component 2, and the other end of the damping component 2 is hinged to the base 3.
In embodiment 1, as shown in fig. 1-2, the damping assembly 2 includes an outer cylinder 4, an inner rod 5 penetrates through the outer cylinder 4, the front end of the inner rod 5 is hinged inside the pedal 1, the tail end of the inner rod is hinged on the base 3, a polyurethane damping block 6 is arranged along the length direction of the inner rod 5, three polyurethane damping blocks 6 are arranged, a metal spacer 7 is fixed between every two polyurethane damping blocks 6, and a spring 8 is fixed between the metal spacer 7 near the end of the base 3 and the outer cylinder 4.
In the embodiment, the rigidity of the bottom spring 8 is lower, and the force feedback of the initial stage of stepping on the automobile brake pedal is simulated; three cylindrical polyurethane damping blocks 6 with higher rigidity are connected in series to simulate force feedback of a middle section and a rear section when the brake pedal 1 is stepped on, wherein the three polyurethane damping blocks 6 are different in length and can simulate nonlinear force feedback experience when the brake pedal 1 is stepped on, the inner rod 5 and the outer barrel 4 are stressed to move relatively, the polyurethane damping blocks 6 and the spring 8 are extruded, and the brake pedal 1 obtains force feedback.
Embodiment 2, as shown in fig. 3-4, the damping assembly 2 includes a hydraulic cylinder 9, the bottom of the hydraulic cylinder 9 is hinged to the base 3, a piston 10 is slidably connected inside the hydraulic cylinder 9, the front end of the piston 10 is hinged to the pedal 1, hydraulic oil 11 is filled between the piston 10 and the hydraulic cylinder 9, the end of the hydraulic cylinder 9 away from the pedal 1 is connected to an expansion pipe 12, and the end of the expansion pipe 12 away from the hydraulic cylinder 9 is fixed to the base 3.
In the above embodiment, when a braking force is applied to the piston 10, the pressure inside the hydraulic cylinder 9 increases, the expansion tube 12 expands under the pressure, and the brake pedal 1 obtains force feedback.
Embodiment 3, as shown in fig. 5-6, damping component 2 includes pneumatic cylinder 9, pneumatic cylinder 9 bottom articulates on base 3, pneumatic cylinder 9 inside slides and is connected with first piston 13, first piston 13 front end articulates on footboard 1, it has hydraulic oil 11 to fill between first piston 13 and the pneumatic cylinder 9, pneumatic cylinder 9 keeps away from footboard 1 end and is connected with attenuator 14, attenuator 14 inside slides and is connected with second piston 15, second piston 15 upper end is fixed with metal spacer 7, be equipped with polyurethane damping piece 6 on the metal spacer 7, attenuator 14 upper end lid has closed cover 16, be fixed with spring 8 between cover 16 inner wall and the metal spacer 7, attenuator 14 and the inside intercommunication of pneumatic cylinder 9.
In the above embodiment, when an operator applies a braking force to the pedal 1, the pedal 1 and the base 3 are in circular motion around a hinge point, the hydraulic cylinder 9 is connected between the pedal 1 and the base 3, the hydraulic cylinder 9 is filled with hydraulic oil 11, and no other impurities such as air exist inside the hydraulic cylinder 9, when the braking force is applied to the first piston 13, the pressure inside the hydraulic cylinder 9 increases, the second piston 15 in the damper 14 moves upwards under the pressure to press the spring 8 and the polyurethane damping block 6 in the damper 14, and the brake pedal 1 obtains force feedback. .
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1.一种模拟汽车制动踏板力反馈的装置，其特征在于，该模拟汽车制动踏板力反馈的装置包括踏板（1）、阻尼组件（2）、底座（3），所述踏板（1）一端铰接在底座（3）上，另一端与阻尼组件（2）铰接连接，阻尼组件（2）另一端与所述底座（3）铰接连接。1. A device for simulating the force feedback of an automobile brake pedal, characterized in that the device for simulating the force feedback of an automobile brake pedal comprises a pedal (1), a damping assembly (2), a base (3), and the pedal (1) ) is hingedly connected to the base (3) at one end, the other end is hingedly connected to the damping assembly (2), and the other end of the damping assembly (2) is hingedly connected to the base (3). 2.如权利要求1所述的一种模拟汽车制动踏板力反馈的装置，其特征在于，所述阻尼组件（2）包括外筒（4），外筒（4）内部穿设有内杆（5），内杆（5）前端铰接在踏板（1）内部，尾端铰接在底座（3）上，沿内杆（5）长度方向设有聚氨酯阻尼块（6），聚氨酯阻尼块（6）设有三块，每两块聚氨酯阻尼块（6）之间固定有金属隔片（7），靠近底座（3）端的金属隔片（7）与外筒（4）之间固定有弹簧（8）。2 . The device for simulating brake pedal force feedback of an automobile according to claim 1 , wherein the damping assembly ( 2 ) comprises an outer cylinder ( 4 ), and an inner rod is penetrated inside the outer cylinder ( 4 ). 3 . (5) The front end of the inner rod (5) is hinged to the inside of the pedal (1), and the rear end is hinged to the base (3). A polyurethane damping block (6) is provided along the length of the inner rod (5). Polyurethane damping block (6) ) is provided with three blocks, a metal spacer (7) is fixed between every two polyurethane damping blocks (6), and a spring (8) is fixed between the metal spacer (7) near the end of the base (3) and the outer cylinder (4). ). 3.如权利要求2所述的一种模拟汽车制动踏板力反馈的装置，其特征在于，所述阻尼组件（2）包括液压缸（9），液压缸（9）底部铰接在底座（3）上，液压缸（9）内部滑移连接有活塞（10），活塞（10）前端铰接连接在踏板（1）上，活塞（10）与液压缸（9）之间填充有液压油（11），液压缸（9）远离踏板（1）端连接有膨胀管（12），膨胀管（12）远离液压缸（9）端固定在底座（3）上。3. The device for simulating brake pedal force feedback of an automobile according to claim 2, wherein the damping assembly (2) comprises a hydraulic cylinder (9), and the bottom of the hydraulic cylinder (9) is hinged on the base (3). ), a piston (10) is slidingly connected inside the hydraulic cylinder (9), the front end of the piston (10) is hingedly connected to the pedal (1), and hydraulic oil (11) is filled between the piston (10) and the hydraulic cylinder (9). ), the end of the hydraulic cylinder (9) away from the pedal (1) is connected with an expansion pipe (12), and the end of the expansion pipe (12) away from the hydraulic cylinder (9) is fixed on the base (3). 4.如权利要求2所述的一种模拟汽车制动踏板力反馈的装置，其特征在于，所述阻尼组件（2）包括液压缸（9），液压缸（9）底部铰接在底座（3）上，液压缸（9）内部滑移连接有第一活塞（13），第一活塞（13）前端铰接连接在踏板（1）上，第一活塞（13）与液压缸（9）之间填充有液压油（11），液压缸（9）远离踏板（1）端连接有阻尼器（14），阻尼器（14）内部滑移连接有第二活塞（15），第二活塞（15）上端固定有金属隔片（7），金属隔片（7）上设有聚氨酯阻尼块（6），阻尼器（14）上端盖合有筒盖（16），筒盖（16）内壁与金属隔片（7）之间固定有弹簧（8），阻尼器（14）与液压缸（9）内部连通。4 . The device for simulating brake pedal force feedback of an automobile according to claim 2 , wherein the damping assembly ( 2 ) comprises a hydraulic cylinder ( 9 ), and the bottom of the hydraulic cylinder ( 9 ) is hinged on the base ( 3 ). 5 . ), a first piston (13) is slidably connected inside the hydraulic cylinder (9), the front end of the first piston (13) is hingedly connected to the pedal (1), and the first piston (13) is connected with the hydraulic cylinder (9) Filled with hydraulic oil (11), a damper (14) is connected to the end of the hydraulic cylinder (9) away from the pedal (1), and a second piston (15) is slidably connected inside the damper (14), and the second piston (15) A metal spacer (7) is fixed on the upper end, a polyurethane damping block (6) is arranged on the metal spacer (7), a cylinder cover (16) is closed on the upper end of the damper (14), and the inner wall of the cylinder cover (16) is connected with the metal spacer. A spring (8) is fixed between the sheets (7), and the damper (14) is communicated with the hydraulic cylinder (9).
CN202110306123.8A 2021-03-23 2021-03-23 Device for simulating force feedback of automobile brake pedal Pending CN112849108A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113232634A (en) * 2021-06-03 2021-08-10 重庆三峡学院 Electric vehicle brake pedal simulator and brake pedal feedback control method
US20220332297A1 (en) * 2021-04-16 2022-10-20 Asetek Danmark A/S Brake cylinder comprising two integrated chambers
US20220332296A1 (en) * 2021-04-16 2022-10-20 Asetek Danmark A/S Brake cylinder comprising a mechanical stop
US20220333618A1 (en) * 2021-04-16 2022-10-20 Asetek Danmark A/S Brake cylinder mechanical stopper

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US20020149259A1 (en) * 2001-04-17 2002-10-17 Toyota Jidosha Kabushiki Kaisha Hydraulic braking pressure control unit
US20120007419A1 (en) * 2009-01-15 2012-01-12 Continental Teves Ag & Co. Ohg "brake-by-wire" type brake system
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CN203766732U (en) * 2014-01-28 2014-08-13 同济大学 Passive type pedal feeling simulation device
CN204077634U (en) * 2013-11-13 2015-01-07 现代摩比斯株式会社 Pedal simulator and there is its motor vehicle braking system
DE102019217614A1 (en) * 2019-09-13 2021-03-18 Continental Teves Ag & Co. Ohg Pedal feeling simulator
CN214874757U (en) * 2021-03-23 2021-11-26 深圳市卡妙思电子科技有限公司 Device for simulating force feedback of automobile brake pedal

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020149259A1 (en) * 2001-04-17 2002-10-17 Toyota Jidosha Kabushiki Kaisha Hydraulic braking pressure control unit
US20120007419A1 (en) * 2009-01-15 2012-01-12 Continental Teves Ag & Co. Ohg "brake-by-wire" type brake system
CN103786695A (en) * 2012-10-26 2014-05-14 现代自动车株式会社 Pedal simulator having multi-stage series spring
DE102012221029A1 (en) * 2012-11-19 2014-05-22 Continental Teves Ag & Co. Ohg Simulator for actuator unit of e.g. brake-by-wire type brake system for hydraulic motor car, has pressure medium exchanged with simulator over master brake cylinder, where pressure medium is received at deformable wall through cavity
CN204077634U (en) * 2013-11-13 2015-01-07 现代摩比斯株式会社 Pedal simulator and there is its motor vehicle braking system
CN203766732U (en) * 2014-01-28 2014-08-13 同济大学 Passive type pedal feeling simulation device
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CN214874757U (en) * 2021-03-23 2021-11-26 深圳市卡妙思电子科技有限公司 Device for simulating force feedback of automobile brake pedal

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220332297A1 (en) * 2021-04-16 2022-10-20 Asetek Danmark A/S Brake cylinder comprising two integrated chambers
US20220332296A1 (en) * 2021-04-16 2022-10-20 Asetek Danmark A/S Brake cylinder comprising a mechanical stop
US20220333618A1 (en) * 2021-04-16 2022-10-20 Asetek Danmark A/S Brake cylinder mechanical stopper
US11680587B2 (en) * 2021-04-16 2023-06-20 Asetek Danmark A/S Brake cylinder mechanical stopper
US11897444B2 (en) * 2021-04-16 2024-02-13 Asetek Danmark A/S Brake cylinder comprising a mechanical stop
US20240182009A1 (en) * 2021-04-16 2024-06-06 Asetek Danmark A/S Brake cylinder comprising a mechanical stop
US12403877B2 (en) * 2021-04-16 2025-09-02 Asetek Danmark A/S Brake cylinder comprising a mechanical stop
CN113232634A (en) * 2021-06-03 2021-08-10 重庆三峡学院 Electric vehicle brake pedal simulator and brake pedal feedback control method
CN113232634B (en) * 2021-06-03 2022-05-27 重庆三峡学院 An electric vehicle brake pedal simulator and brake pedal feedback control method

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