CN111256970A - Simulation device capable of adjusting automobile brake pedal feeling - Google Patents
Simulation device capable of adjusting automobile brake pedal feeling Download PDFInfo
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- CN111256970A CN111256970A CN202010098463.1A CN202010098463A CN111256970A CN 111256970 A CN111256970 A CN 111256970A CN 202010098463 A CN202010098463 A CN 202010098463A CN 111256970 A CN111256970 A CN 111256970A
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- pedal
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- master cylinder
- closed valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The invention discloses a simulation device capable of adjusting the feel of an automobile brake pedal, which mainly comprises a brake master cylinder and the like, wherein a first cavity and a second cavity in the brake master cylinder are connected with an oil can, a piston in the brake master cylinder is connected with a pedal at one end of the brake master cylinder, the first cavity in the brake master cylinder is respectively connected with a normally-closed valve A and a normally-closed valve B through pipelines, the normally-closed valve A is connected with a pedal simulator A through a pipeline, the normally-closed valve B is connected with the pedal simulator B through a pipeline, the pedal simulator A is connected to a pipeline communicated with the first cavity through a one-way valve A, and the pedal simulator B is connected to a pipeline communicated with the first cavity through a one-way valve B. The spring group or the elastic body is used in the invention to provide the needed pedal feeling, and one or more simulators are opened through the matching of two groups of normally closed valves, so that oil is pressed into different simulators to provide different pedal feelings, and three sets of pedal feelings are realized in the same system, thereby realizing the adjustability of various foot feelings.
Description
Technical Field
The invention relates to the field of automobile brake systems, in particular to a simulation device capable of adjusting automobile brake pedal feel.
Background
The pedal of the automobile brake system needs to simulate the pedal resistance when the automobile actually runs during production and development, so that a hydraulic simulation device needs to be separately installed for providing pedal feeling for a driver when the automobile is simulated to be actively braked. The driver steps on the footboard, and ECU produces the oil pressure signal through gathering pedal sensor displacement signal and controls hydraulic unit and then control brake pressure, but there is the pedal sensation in the prior art and can not adjust scheduling problem according to driving intention.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a simulation device capable of adjusting the feeling of a brake pedal of an automobile.
The purpose of the invention is achieved by the following technical scheme: the simulation device capable of adjusting the feeling of the automobile brake pedal mainly comprises a pedal, a brake master cylinder, a pedal simulator A, a pedal simulator B, an oil can, a piston, a first cavity, a second cavity, a normally-closed valve A and a normally-closed valve B, wherein the first cavity and the second cavity in the brake master cylinder are connected with the oil can, the piston in the brake master cylinder is connected with the pedal at one end of the piston, the first cavity in the brake master cylinder is respectively connected with the normally-closed valve A and the normally-closed valve B through pipelines, the normally-closed valve A is connected with the pedal simulator A through a pipeline, the normally-closed valve B is connected with the pedal simulator B through a pipeline, the pedal simulator A is connected to a pipeline communicated with the first cavity through a one-way valve A, and the pedal simulator B is connected to a pipeline communicated with the first cavity through the one-way valve.
The pedal simulator A and the pedal simulator B comprise simulator pistons and spring groups, the spring groups apply pressure to the simulator pistons, and the simulator pistons are provided with rubber pieces for sealing.
The spring group consists of a spring A and a spring B which are longitudinally arranged, a bowl-shaped supporting plate is arranged between the spring A and the spring B, and an elastic body is arranged on the periphery of the supporting plate.
The pedal simulator A and the pedal simulator B have different setting forces.
The invention has the beneficial effects that: the spring group or the elastic body is used in the invention to provide the needed pedal feeling, and one or more simulators are opened through the matching of two groups of normally closed valves, so that oil is pressed into different simulators to provide different pedal feelings, and three sets of pedal feelings are realized in the same system, thereby realizing the adjustability of various foot feelings.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the pedal simulator of the present invention.
Description of reference numerals: the brake pedal comprises a pedal 1, a brake master cylinder 2, a pedal simulator A3, a pedal simulator B4, an oil can 5, a simulator piston 6, a spring set 7, a piston 201, a first chamber 202, a second chamber 203, a normally-closed valve A301, a check valve A302, a normally-closed valve B401, a check valve B402, a spring A701, a spring B702 and a support plate 8.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the drawing, the simulation device capable of adjusting the feeling of the automobile brake pedal mainly comprises a pedal 1, a brake master cylinder 2, a pedal simulator A3, a pedal simulator B4, an oil can 5, a piston 201, a first chamber 202, a second chamber 203, a normally-closed valve A301 and a normally-closed valve B401, wherein the first chamber 202 and the second chamber 203 in the brake master cylinder 2 are both connected with the oil can 5, the piston 201 in the brake master cylinder 2 is connected with the pedal 1 at one end of the piston, the first chamber 202 in the brake master cylinder 2 is respectively connected with the normally-closed valve A301 and the normally-closed valve B401 through pipelines, the normally-closed valve A301 is connected with the pedal simulator A3 through a pipeline, the normally-closed valve B401 is connected with the pedal simulator B4 through a pipeline, the pedal simulator A3 is connected with a pipeline communicated with the first chamber 202 through a one-way valve A302, and the pedal simulator B4 is connected with a pipeline communicated with the first chamber 202 through a one. The pedal simulator a3 and the pedal simulator B4 each include a simulator piston 6 and a spring group 7, the spring group 7 applies pressure to the simulator piston 6, and the simulator piston 6 is provided with a rubber member for sealing. The spring group 7 is composed of a spring A701 and a spring B702 which are longitudinally arranged, a bowl-shaped support plate 8 is arranged between the spring A701 and the spring B702, and an elastic body is arranged on the periphery of the support plate 8. The pedal simulator a3 and pedal simulator B4 use spring packs 7 and elastomers internally to provide the required force. The pedal simulator A3 and the pedal simulator B4 have different setting forces, and three different pedal sensations are obtained by the combination of the switches of the normally-closed valve a301 and the normally-closed valve B401.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (4)
1. A simulation device capable of adjusting the feeling of a brake pedal of an automobile is characterized in that: the brake master cylinder mainly comprises a pedal (1), a brake master cylinder (2), a pedal simulator A (3), a pedal simulator B (4), an oilcan (5), a piston (201), a first chamber (202), a second chamber (203), a normally-closed valve A (301) and a normally-closed valve B (401), wherein the first chamber (202) and the second chamber (203) in the brake master cylinder (2) are connected with the oilcan (5), the piston (201) in the brake master cylinder (2) is connected with the pedal (1) at one end of the brake master cylinder, the first chamber (202) in the brake master cylinder (2) is respectively connected with the normally-closed valve A (301) and the normally-closed valve B (401) through pipelines, the normally-closed valve A (301) is connected with the pedal simulator A (3) through a pipeline, the normally-closed valve B (401) is connected with the pedal simulator B (4) through a pipeline, the pedal simulator A (3) is connected with a pipeline communicated with the first chamber (202) through a one-way valve A (, the pedal simulator B (4) is connected to a line communicating with the first chamber (202) through a check valve B (402).
2. The adjustable automobile brake pedal feel simulation apparatus of claim 1, wherein: the pedal simulator A (3) and the pedal simulator B (4) comprise simulator pistons (6) and spring sets (7) inside, the spring sets (7) apply pressure to the simulator pistons (6), and the simulator pistons (6) are provided with rubber pieces for sealing.
3. The adjustable automobile brake pedal feel simulation apparatus of claim 2, wherein: the spring group (7) is composed of a spring A (701) and a spring B (702) which are longitudinally arranged, a bowl-shaped support plate (8) is arranged between the spring A (701) and the spring B (702), and an elastic body is arranged on the periphery of the support plate (8).
4. The adjustable automobile brake pedal feel simulation apparatus of claim 1, wherein: the pedal simulator A (3) and the pedal simulator B (4) have different setting forces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098463.1A CN111256970A (en) | 2020-02-18 | 2020-02-18 | Simulation device capable of adjusting automobile brake pedal feeling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010098463.1A CN111256970A (en) | 2020-02-18 | 2020-02-18 | Simulation device capable of adjusting automobile brake pedal feeling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111256970A true CN111256970A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010098463.1A Pending CN111256970A (en) | 2020-02-18 | 2020-02-18 | Simulation device capable of adjusting automobile brake pedal feeling |
Country Status (1)
| Country | Link |
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| CN (1) | CN111256970A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834407A (en) * | 2022-03-28 | 2022-08-02 | 东风汽车集团股份有限公司 | Vehicle brake pedal simulation device and pedal feel adjusting method |
-
2020
- 2020-02-18 CN CN202010098463.1A patent/CN111256970A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114834407A (en) * | 2022-03-28 | 2022-08-02 | 东风汽车集团股份有限公司 | Vehicle brake pedal simulation device and pedal feel adjusting method |
| CN114834407B (en) * | 2022-03-28 | 2024-01-30 | 东风汽车集团股份有限公司 | Vehicle brake pedal simulation device and pedal feel adjustment method |
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Address after: 311215 Wanxiang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Applicant after: Wanxiang Qianchao Co.,Ltd. Applicant after: WANXIANG GROUP Co.,Ltd. Address before: No.1 Wanxiang Road, Xiaoshan Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Applicant before: WANXIANG QIANCHAO Co.,Ltd. Applicant before: WANXIANG GROUP Co.,Ltd. |
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