CN116118680A - Parking braking method and system capable of preventing mistaken stepping - Google Patents
Parking braking method and system capable of preventing mistaken stepping Download PDFInfo
- Publication number
- CN116118680A CN116118680A CN202310102322.6A CN202310102322A CN116118680A CN 116118680 A CN116118680 A CN 116118680A CN 202310102322 A CN202310102322 A CN 202310102322A CN 116118680 A CN116118680 A CN 116118680A
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- Prior art keywords
- parking
- pedal
- stepping
- parking pedal
- clamping piece
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
-
- 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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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Elements And Transmission Devices (AREA)
- Regulating Braking Force (AREA)
Abstract
The embodiment of the invention provides a parking braking method and system capable of preventing mistaken stepping, and relates to the field of automobile braking. Aims to solve the problem of inconvenient operation of the foot parking pedal. The parking brake method for preventing the mistaken stepping comprises the steps of obtaining the speed of a vehicle; acquiring a parking pedal force; according to the vehicle speed and the force of the parking pedal, controlling the matching state of the clamping piece and the parking pedal; the parking brake system capable of preventing mistaken stepping comprises a clamping piece and a parking pedal, wherein the clamping piece is used for clamping and fixing or separating from the parking pedal. The anti-false stepping parking brake system comprises a controller, and the controller is used for implementing the method. Whether the parking pedal can act or not is controlled through the speed of the vehicle and the force of the parking pedal, so that risks caused by misoperation are avoided, the parking pedal can be designed according to a comfortable angle, the driving safety of a driver and the driving comfort are met, and the problem of inconvenience in operation of the foot parking pedal can be solved.
Description
Technical Field
The invention relates to the field of automobile braking, in particular to a method and a system for preventing parking braking from being stepped on by mistake.
Background
The existing automobile parking system mainly comprises: manual brake, foot brake, automatic parking, etc. In order to save cost or modeling requirements, some vehicle type hand brakes adopt foot parking brakes. In order to prevent misoperation of personnel, the foot parking brake pedal in the current market is higher in arrangement position, inconvenient to operate during parking and influences driving experience.
Disclosure of Invention
The object of the present invention consists, for example, in providing a method for preventing erroneous stepping on a parking brake, which is capable of improving the problem of inconvenience in operating the foot parking pedal.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a parking brake method preventing mistaken stepping, which is implemented by adopting a parking brake system preventing mistaken stepping, and comprises the following steps:
acquiring a vehicle speed;
acquiring a parking pedal force;
controlling the matching state of the clamping piece and the parking pedal according to the vehicle speed and the parking pedal force;
the parking brake system capable of preventing mistaken stepping comprises a clamping piece and a parking pedal, wherein the clamping piece is used for clamping and fixing or separating from the parking pedal.
In addition, the parking brake method for preventing mistaken stepping provided by the embodiment of the invention can also have the following additional technical characteristics:
optionally, the step of controlling the engagement state of the clamping member and the parking pedal according to the vehicle speed and the parking pedal force includes:
if the vehicle speed is greater than a preset speed and the parking pedal force is smaller than a preset pedal force, the clamping piece is controlled to clamp and fix the parking pedal;
and if the vehicle speed is smaller than the preset speed, the clamping piece is controlled to be separated from the parking pedal.
Optionally, the step of controlling the engagement state of the clamping member and the parking pedal according to the vehicle speed and the parking pedal force further includes:
and if the vehicle speed is greater than the preset speed and the parking pedal force is greater than the preset pedal force, the clamping piece is controlled to be separated from the parking pedal.
Optionally, if the vehicle speed is greater than a preset speed and the parking pedal force is greater than a preset pedal force, the step of controlling the clamping piece to be separated from the parking pedal further includes:
and if the vehicle speed is greater than the preset speed and the parking pedal force of the preset times obtained in the preset time period is greater than the preset pedal force, the clamping piece is controlled to be separated from the parking pedal.
Optionally, the preset time period is 3-5s; the preset times are 2-4 times.
Optionally, the preset pedal force is 500-550N.
Optionally, the preset speed is 10-15km/h.
Optionally, the step of obtaining the parking pedal force includes:
acquiring a parking pedal force measured by a pedal force sensor;
the parking brake system capable of preventing mistaken stepping comprises a parking pedal, and is characterized by further comprising a pedal force sensor, wherein the pedal force sensor is arranged on the parking pedal and is used for detecting stepping force applied to the parking pedal.
Optionally, the clamping piece is a rack;
the anti-false stepping parking brake system further comprises a parking pedal arm, the parking pedal is fixed on the parking pedal arm, and the rack is used for being clamped and fixed or separated from the parking pedal arm.
The embodiment of the invention also provides a parking brake system capable of preventing mistaken stepping. Comprises a clamping piece, a parking pedal and a controller; the clamping piece is used for clamping and fixing or separating from the parking pedal; the controller is used for executing the parking braking method preventing mistaken stepping.
The parking brake mistaken stepping prevention method and system provided by the embodiment of the invention have the beneficial effects that:
the parking braking method is prevented from being stepped on by mistake, and the speed of the vehicle is obtained; acquiring a parking pedal force; according to the vehicle speed and the force of the parking pedal, controlling the matching state of the clamping piece and the parking pedal; the parking brake system capable of preventing mistaken stepping comprises a clamping piece and a parking pedal, wherein the clamping piece is used for clamping and fixing or separating from the parking pedal.
The man-machine requirement is met, whether the parking pedal can act or not is controlled through the speed of the vehicle and the force of the parking pedal, the risk caused by misoperation is avoided, the parking pedal can be designed according to a comfortable angle, the driving safety and the driving comfort of a driver are met, and the problem of inconvenience in operation of the foot parking pedal can be solved.
The parking brake system capable of preventing mistaken stepping comprises a controller, wherein the controller is used for executing the parking brake method capable of preventing mistaken stepping. The problem of inconvenience in operation of the foot parking pedal can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of steps of a parking brake method for preventing mistaken stepping according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The following describes in detail the parking brake mistaken stepping prevention method provided in this embodiment with reference to fig. 1.
Referring to fig. 1, an embodiment of the present invention provides a parking brake system for preventing a user from stepping on a parking brake by mistake. Comprises a clamping piece, a parking pedal and a controller; the clamping piece is used for clamping and fixing or separating from the parking pedal; the controller is configured to perform the anti-false-stepping parking brake method set forth below.
In this embodiment, the clamping member is a rack; the anti-false stepping parking brake system further comprises a parking pedal arm, the parking pedal is fixed on the parking pedal arm, and the rack is used for being clamped and fixed or separated from the parking pedal arm.
In this embodiment, prevent mistake and step on parking braking system still includes motor and bevel gear, and the motor is connected with the bevel gear transmission, and the bevel gear is meshed with the rack, and bevel gear drive rack blocks parking pedal arm or staggers with the parking pedal arm. The motor is fixed on the parking brake pedal bracket, and the motor is connected with the rack, and the rack is clamped at the wheel edge of the parking brake pedal arm to prevent the rotation of the parking brake pedal arm.
In this embodiment, the parking brake system for preventing from being stepped on by mistake further includes a pedal force sensor disposed on the parking pedal, and the pedal force sensor is configured to detect and obtain a stepping force applied to the parking pedal.
The embodiment of the invention provides a parking brake method preventing mistaken stepping, which is implemented by adopting a parking brake system preventing mistaken stepping, and comprises the following steps:
step S1, obtaining a vehicle speed V;
s2, acquiring the force of a parking pedal;
step S3, controlling the matching state of the clamping piece and the parking pedal according to the vehicle speed V and the parking pedal force;
the parking brake system capable of preventing mistaken stepping comprises a clamping piece and a parking pedal, wherein the clamping piece is used for clamping and fixing or separating from the parking pedal.
Traditional foot parking braking does not have and prevents mistake and step on the function, its parking footboard arrangement position is higher, the people tramples uncomfortable, in this embodiment, through speed of a motor vehicle V and parking footboard power, control clamping piece and parking footboard's cooperation state, with control parking footboard can brake or can not brake, clamping piece is used for holding fixedly with the parking footboard card, then the foot can't step on the parking footboard, clamping piece is used for breaking away from with the parking footboard, then the foot can step on the parking footboard, prevent to trample the parking footboard by mistake, the parking footboard can be arranged like this at the foot and trample the comfort zone, the security of full-load foot driving also satisfies the travelling comfort of driving promptly.
In this embodiment, step S3, according to the vehicle speed V and the parking pedal force, the step of controlling the matching state of the clamping member and the parking pedal includes:
step S31, if the vehicle speed V is greater than the preset speed and the parking pedal force is smaller than the preset pedal force, the clamping piece is controlled to clamp and fix the parking pedal; to prevent movement of the park pedal.
Step S32, if the vehicle speed V is smaller than the preset speed, the control clamping piece is separated from the parking pedal. So that the parking pedal can perform a braking operation.
If the vehicle speed V is greater than the preset speed and the parking pedal force is smaller than the preset pedal force, and under the high-speed driving condition, if a driver mistakenly steps on the parking pedal, the parking pedal is unresponsive, and the stepping force is generally smaller under the mistaken stepping condition, so that the safety accident can be effectively prevented.
In this embodiment, the predetermined pedaling force is 500-550N. The preset speed is 10-15km/h. The preset pedal force is 500N, 510N, 520N, 530N, 540N, 550N. The preset speeds are 10km/h, 11km/h, 12km/h, 13km/h and 14km/h.
The vehicle speed V is more than 10km/h, and the rack clamps the parking pedal arm. The speed V is less than or equal to 10km/h, the controller receives a speed V signal and instructs the motor to operate, the motor drives the conical teeth, the conical gear drives the rack, the rack is staggered with the parking pedal arm, and the parking pedal can be stepped on.
In this embodiment, step S3, according to the vehicle speed V and the parking pedal force, the step of controlling the matching state of the clamping member and the parking pedal further includes:
step S33, if the vehicle speed V is greater than the preset speed and the parking pedal force is greater than the preset pedal force, the clamping piece is controlled to be separated from the parking pedal.
The vehicle speed V is more than 10km/h, the parking pedal force sensor is more than or equal to 500N, the controller receives a vehicle speed V signal and a pedal force sensor signal, the motor is instructed to operate, the motor drives conical teeth, the conical gear drives a rack, the rack is staggered with the parking pedal arm, and the parking pedal can be stepped.
In this embodiment, step S33, if the vehicle speed V is greater than the preset speed and the parking pedal force is greater than the preset pedal force, the step of controlling the clamping member to be separated from the parking pedal further includes:
in step S331, if the vehicle speed V is greater than the preset speed and the parking pedal force obtained for the preset number of times in the preset time period is greater than the preset pedal force, the clamping member is controlled to be separated from the parking pedal.
In 3s time, the two parking pedal force sensors are more than or equal to 200N, the controller receives a vehicle speed V signal and a pedal force sensor signal, the motor is instructed to operate, the motor drives conical teeth, the conical gear drives a rack, the rack is staggered with a parking pedal arm, and the parking pedal can be trampled.
In this embodiment, the preset time period is 3-5s; the preset times are 2-4 times. The preset time period is 3s, 4s and 5s. The preset times are 2 times, 3 times and 4 times.
In this embodiment, step S2, the step of obtaining the parking pedal force includes:
step S21, obtaining a parking pedal force measured by a pedal force sensor;
the parking brake system capable of preventing mistaken stepping comprises a parking pedal, a pedal force sensor and a pedal control unit, wherein the parking brake system capable of preventing mistaken stepping further comprises the pedal force sensor, the pedal force sensor is arranged on the parking pedal, and the pedal force sensor is used for detecting stepping force received by the parking pedal.
In this embodiment, the clamping member is a rack; the anti-false stepping parking brake system further comprises a parking pedal arm, the parking pedal is fixed on the parking pedal arm, and the rack is used for being clamped and fixed or separated from the parking pedal arm.
According to the parking brake method for preventing mistaken stepping provided by the embodiment, the working principle of the parking brake method for preventing mistaken stepping is as follows: by establishing the relation between the vehicle speed V signal and the motor start, the parking pedal force or the relation between the change frequency of the parking pedal force and the motor start, and based on the relation principle, the motor drives the rack to directly control whether the brake pedal arm can act or not, so that risks caused by misoperation are avoided.
The parking braking method for preventing mistaken stepping provided by the embodiment has at least the following advantages:
the man-machine requirement is met, whether the parking pedal can act or not is controlled through the speed of the vehicle and the force of the parking pedal, the risk caused by misoperation is avoided, the parking pedal can be designed according to a comfortable angle, the driving safety and the driving comfort of a driver are met, and the problem of inconvenience in operation of the foot parking pedal can be solved.
Under the condition of high-speed driving, the driver does not respond when stepping on the parking pedal, the safety accident can be effectively prevented, the driver needs to brake in the emergency, and the driver can continuously brake or intentionally increase the braking force to effectively use the parking brake. The realization scheme of preventing the driver from stepping on the parking pedal by mistake and causing the emergency braking of the vehicle.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The anti-false-stepping parking brake method is implemented by adopting an anti-false-stepping parking brake system and is characterized by comprising the following steps of:
acquiring a vehicle speed;
acquiring a parking pedal force;
controlling the matching state of the clamping piece and the parking pedal according to the vehicle speed and the parking pedal force;
the parking brake system capable of preventing mistaken stepping comprises a clamping piece and a parking pedal, wherein the clamping piece is used for clamping and fixing or separating from the parking pedal.
2. The anti-false-stepping parking brake method according to claim 1, characterized in that:
the step of controlling the matching state of the clamping piece and the parking pedal according to the vehicle speed and the parking pedal force comprises the following steps:
if the vehicle speed is greater than a preset speed and the parking pedal force is smaller than a preset pedal force, the clamping piece is controlled to clamp and fix the parking pedal;
and if the vehicle speed is smaller than the preset speed, the clamping piece is controlled to be separated from the parking pedal.
3. The anti-false-stepping parking brake method according to claim 2, characterized in that:
the step of controlling the matching state of the clamping piece and the parking pedal according to the vehicle speed and the parking pedal force further comprises the following steps:
and if the vehicle speed is greater than the preset speed and the parking pedal force is greater than the preset pedal force, the clamping piece is controlled to be separated from the parking pedal.
4. A method of preventing false stepping on a parking brake in accordance with claim 3, wherein:
if the vehicle speed is greater than a preset speed and the parking pedal force is greater than a preset pedal force, the step of controlling the clamping piece to be separated from the parking pedal further comprises:
and if the vehicle speed is greater than the preset speed and the parking pedal force of the preset times obtained in the preset time period is greater than the preset pedal force, the clamping piece is controlled to be separated from the parking pedal.
5. The anti-false-stepping parking brake method according to claim 4, wherein:
the preset time period is 3-5s; the preset times are 2-4 times.
6. The false-stepping-prevention parking brake method according to any one of claims 2 to 5, characterized in that:
the preset pedal force is 500-550N.
7. The false-stepping-prevention parking brake method according to any one of claims 2 to 5, characterized in that:
the preset speed is 10-15km/h.
8. The false-stepping-prevention parking brake method according to any one of claims 2 to 5, characterized in that:
the step of obtaining the parking pedal force includes:
acquiring a parking pedal force measured by a pedal force sensor;
the parking brake system capable of preventing mistaken stepping comprises a parking pedal, and is characterized by further comprising a pedal force sensor, wherein the pedal force sensor is arranged on the parking pedal and is used for detecting stepping force applied to the parking pedal.
9. The false-stepping-prevention parking brake method according to any one of claims 2 to 5, characterized in that:
the clamping piece is a rack;
the anti-false stepping parking brake system further comprises a parking pedal arm, the parking pedal is fixed on the parking pedal arm, and the rack is used for being clamped and fixed or separated from the parking pedal arm.
10. The parking brake system capable of preventing mistaken stepping is characterized by comprising a clamping piece, a parking pedal and a controller; the clamping piece is used for clamping and fixing or separating from the parking pedal; the controller is configured to execute the anti-false-stepping parking brake method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310102322.6A CN116118680A (en) | 2023-02-08 | 2023-02-08 | Parking braking method and system capable of preventing mistaken stepping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310102322.6A CN116118680A (en) | 2023-02-08 | 2023-02-08 | Parking braking method and system capable of preventing mistaken stepping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116118680A true CN116118680A (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310102322.6A Pending CN116118680A (en) | 2023-02-08 | 2023-02-08 | Parking braking method and system capable of preventing mistaken stepping |
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| Country | Link |
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| CN (1) | CN116118680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022211A (en) * | 2023-10-10 | 2023-11-10 | 金琥新能源汽车(成都)有限公司 | Anti-lock parking method, device, equipment and storage medium |
-
2023
- 2023-02-08 CN CN202310102322.6A patent/CN116118680A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117022211A (en) * | 2023-10-10 | 2023-11-10 | 金琥新能源汽车(成都)有限公司 | Anti-lock parking method, device, equipment and storage medium |
| CN117022211B (en) * | 2023-10-10 | 2023-12-12 | 金琥新能源汽车(成都)有限公司 | Anti-lock parking method, device, equipment and storage medium |
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