CN114872671B - Vehicle temporary stop brake control system, vehicle and control method thereof - Google Patents

Abstract

The invention discloses a vehicle temporary stop brake control system, a vehicle and a control method thereof. The vehicle temporary stop brake control system comprises a temporary stop switch, an EPB module, a data unit, an EBS controller, a front axle module, a rear axle module, a front axle brake air chamber and a rear axle dual-cavity brake air chamber, wherein the EPB module is integrated with a ramp sensor. The vehicle temporary stop brake control system provided by the invention acquires gradient data through the ramp sensor, transmits the weight data of the whole vehicle through the data unit, and calculates the brake air pressure value required by parking under the working condition, so that the brake air pressure value is accurately output, different brake air pressure values are output at different gradients to realize the temporary stop function, the waste of unnecessary air consumption is avoided, the manpower, material resources and financial resources are saved, the development cycle is shortened, and the important economic value is realized.

Description

A vehicle emergency braking control system, vehicle and its control method

technical field

The present invention relates to the technical field of vehicles, in particular to a vehicle braking control system when parking, a vehicle and a control method thereof.

Background technique

In recent years, with the development of vehicle technology, more and more drivers have begun to pursue operating comfort and convenience. Among them, the car temporary parking function is widely used because it can greatly facilitate the driver to park.

However, the existing car temporary parking function realizes the temporary parking function by calibrating a specific air pressure value, and this method has the following disadvantages:

1. Selecting a larger air pressure value through simple calibration to realize the temporary stop function consumes a lot of gas, and there is a certain waste.

2. Calibrating a specific air pressure value requires a lot of waste of manpower, material resources, and financial resources, and the development cycle is relatively prolonged.

Contents of the invention

In view of the above problems, the present invention is proposed to provide a vehicle parking brake control system, a vehicle and a control method thereof that overcome the above problems or at least partially solve the above problems.

According to one aspect of the present invention, there is provided a vehicle emergency braking control system, including:

A temporary stop switch, which is used to issue a temporary stop instruction;

EPB module, the EPB module is integrated with a slope sensor, the EPB module receives the temporary stop command sent by the temporary stop switch, and sends the slope data and the temporary stop command, specifically the slope data is sent by the slope sensor;

A data unit, the data unit is used to transmit vehicle weight data;

EBS controller, the EBS controller receives the slope data and the temporary stop instruction sent by the EPB module, and the vehicle weight data transmitted by the data unit, then calculates the air pressure value required to realize the temporary stop function, and outputs the air pressure value instruction;

A front axle module and a rear axle module, the front axle module and the rear axle module respectively receive the air pressure value command output by the EBS controller, output the brake air pressure value, and feed back the brake air pressure value to the EBS controller;

The front axle brake air chamber, which receives the brake air pressure value output by the front axle module, and performs emergency braking;

Rear axle double-cavity brake air chamber, the rear axle double-chamber brake air chamber receives the brake air pressure value output by the rear axle module, and executes parking brake or parking brake.

Optionally, the EPB module is also integrated with an EPB controller, which starts timing when the EPB controller receives a temporary stop command from the temporary stop switch, and the temporary stop function is converted into a parking function after the temporary stop exceeds a preset time .

Optionally, the emergency stop switch is connected to the EPB controller through a hard wire.

Optionally, the data unit includes a VW message, but is not limited thereto.

According to yet another aspect of the present invention, a control method of a vehicle braking control system at a stop is provided, including:

When the vehicle is static, turn on the temporary stop switch, and the temporary stop switch will issue a temporary stop command;

When the EPB controller receives the temporary stop command, it starts timing, and when the temporary stop exceeds the preset time, the temporary stop function is converted into a parking function;

When the EPB module receives the temporary stop command, it transmits the slope data and the temporary stop command to the EBS controller;

After receiving the imminent stop command from the EPB module, the slope data and the vehicle weight data transmitted by the data unit, the EBS controller calculates the brake air pressure value required for braking, and outputs the brake air pressure value to the front axle module and the rear axle module ;

The front axle module and the rear axle module respectively receive the air pressure value command output by the EBS controller, and then output the brake air pressure value to the front axle brake air chamber and the driving chamber of the rear axle double chamber brake air chamber to realize the temporary stop function.

Optionally, when the temporary stop exceeds the preset time, the method for converting the temporary stop function to the parking function includes releasing all the air chamber air pressure from the EPB module to the parking chamber of the rear axle double-chamber brake chamber, so as to realize Air brake, thus converted to parking function.

According to yet another aspect of the present invention, a vehicle is provided, including any one of the above-mentioned vehicle braking control systems for parking.

According to yet another aspect of the present invention, an electronic device is provided, including: a memory and a processor;

The memory is used to store program instructions;

The processor is used for invoking program instructions in the memory to execute any one of the above-mentioned vehicle braking control systems or any one of the control methods of the above-mentioned vehicle braking control systems.

According to yet another aspect of the present invention, a computer-readable storage medium is provided. Computer program instructions are stored in the computer-readable storage medium. When the computer program instructions are executed, any one of the above-mentioned vehicle temporary parking systems The control method of the dynamic control system or any one of the above-mentioned vehicle parking brake control systems.

According to still another aspect of the present invention, a computer program product is provided, including a computer program. When the computer program is executed by a processor, any one of the above-mentioned vehicle braking control systems or any one of the above-mentioned vehicle braking control systems is provided. Control method of the control system.

As can be seen from the above, the technical solution of the present invention provides a vehicle braking control system at the moment of parking. The system collects slope data through the slope sensor, transmits the vehicle weight data through the data unit, and calculates the parking position under this working condition. The required brake air pressure value, so as to accurately output the brake air pressure value, achieve different slopes and output different brake air pressure values to realize the temporary stop function, avoid unnecessary waste of air consumption, save manpower, material resources, financial resources, shorten the It shortens the development cycle and has important economic value.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiment. The drawings are only for the purpose of illustrating a preferred embodiment and are not to be considered as limiting the invention. Also throughout the drawings, the same reference numerals are used to designate the same components. In the attached picture:

Fig. 1 shows a schematic structural diagram of a vehicle braking control system for parking according to an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

Fig. 1 shows a schematic structural diagram of a vehicle braking control system for parking according to an embodiment of the present invention.

As shown in Figure 1, the vehicle braking control system provided by the present invention includes:

A temporary stop switch, which is used to issue a temporary stop instruction;

EPB module, the EPB module is integrated with a slope sensor, the EPB module receives the temporary stop command issued by the temporary stop switch, and sends the slope data and the temporary stop command;

A data unit, the data unit is used to transmit vehicle weight data;

EBS controller, the EBS controller receives the slope data and the temporary stop instruction sent by the EPB module, and the vehicle weight data transmitted by the data unit, then calculates the air pressure value required to realize the temporary stop function, and outputs the air pressure value instruction;

A front axle module and a rear axle module, the front axle module and the rear axle module respectively receive the air pressure value command output by the EBS controller, output the brake air pressure value, and feed back the brake air pressure value to the EBS controller;

The front axle brake air chamber, which receives the brake air pressure value output by the front axle module, and performs emergency braking;

Rear axle double-cavity brake air chamber, the rear axle double-chamber brake air chamber receives the brake air pressure value output by the rear axle module, and executes parking brake or parking brake.

Further, the EPB module is also integrated with an EPB controller, which starts timing when the EPB controller receives a temporary stop command from the temporary stop switch, and the temporary stop function is converted into a parking function after the temporary stop exceeds a preset time. For example, the preset time for the temporary stop is 2 minutes. When the temporary stop is less than or equal to 2 minutes, the temporary stop function will be executed. When the temporary stop exceeds 2 minutes, it will switch to the parking function. In specific implementation, the preset time of temporary stop can be selected according to the actual situation.

Further, the temporary stop switch is connected to the EPB controller through a hard wire.

Further, the data unit includes a VW message, but is not limited thereto.

According to yet another aspect of the present invention, a control method of a vehicle braking control system at a stop is provided, including:

When the vehicle is static, turn on the temporary stop switch, and the temporary stop switch will issue a temporary stop command;

When the EPB controller receives the temporary stop command, it starts timing, and when the temporary stop exceeds the preset time, the temporary stop function is converted into a parking function;

When the EPB module receives the temporary stop command, it transmits the slope data and the temporary stop command to the EBS controller;

After receiving the imminent stop command from the EPB module, the slope data and the vehicle weight data transmitted by the data unit, the EBS controller calculates the brake air pressure value required for braking, and outputs the brake air pressure value to the front axle module and the rear axle module ;

The front axle module and the rear axle module respectively receive the air pressure value command output by the EBS controller, and then output the brake air pressure value to the front axle brake air chamber and the driving chamber of the rear axle double chamber brake air chamber to realize the temporary stop function.

Further, when the temporary stop exceeds the preset time, the method for converting the temporary stop function to the parking function includes releasing all the air chamber pressure from the EPB module to the parking chamber of the rear axle double-chamber brake chamber to realize the air cut-off to switch to the parking function.

In one embodiment of the present invention, a vehicle is provided, including any one of the above-mentioned vehicle braking control systems for parking.

Further, the vehicle type includes a commercial vehicle. In specific implementation, the vehicle type can be selected according to needs, but all are within the protection scope of the present application.

In one embodiment of the present invention, an electronic device is provided, including: a memory and a processor;

The memory is used to store program instructions;

The processor is used for invoking program instructions in the memory to execute any one of the above-mentioned vehicle braking control systems for temporary parking or any one of the control methods for the above-mentioned vehicle braking control systems for temporary parking.

In one embodiment of the present invention, a computer-readable storage medium is provided. Computer program instructions are stored in the computer-readable storage medium. When the computer program instructions are executed, any one of the above-mentioned vehicle temporary The control method of the parking brake control system or any one of the above-mentioned vehicle parking brake control systems.

In one embodiment of the present invention, a computer program product is provided, including a computer program. When the computer program is executed by a processor, any one of the above-mentioned control systems or any one of the above-mentioned control methods is realized.

In the above technical solution, the EPB module and the VW message transmit the weight data of the vehicle to the EBS controller through CAN communication; the front axle module and the rear axle module respectively receive the instructions of the EBS controller through CAN communication, and feed back the braking through CAN communication. Air pressure value to EBS controller.

In short, the braking control system for vehicles provided in this application collects slope data through the slope sensor, transmits the vehicle weight data through the data unit, and calculates the brake pressure value required for parking under this working condition, so as to accurately output the braking pressure. The dynamic air pressure value can reach different slopes and output different brake air pressure values to realize the temporary stop function, avoiding unnecessary waste of air consumption, saving manpower, material resources, and financial resources, and shortening the development cycle. In addition, by setting the time of temporary stop, the life of EBS controller is extended.

It should be noted:

The algorithms and displays presented herein are not inherently related to any particular computer, virtual appliance, or other device. Various general purpose devices can also be used with the teachings based on this. The structure required to construct such an apparatus will be apparent from the foregoing description. Furthermore, the present invention is not specific to any particular programming language. It should be understood that various programming languages can be used to implement the content of the present invention described herein, and the above description of specific languages is for disclosing the best mode of the present invention.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, in order to streamline this disclosure and to facilitate an understanding of one or more of the various inventive aspects, various features of the invention are sometimes grouped together in a single embodiment, figure, or its description. This method of disclosure, however, is not to be interpreted as reflecting an intention that the claimed invention requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art can understand that the modules in the device in the embodiment can be adaptively changed and arranged in one or more devices different from the embodiment. The modules or units or components in the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of H-bridge sub-modules or sub-units or sub-assemblies. All features disclosed in this specification (including accompanying claims, abstract and drawings) and any method or method so disclosed may be used in any combination, except that at least some of such features and/or processes or units are mutually exclusive. All processes or units of equipment are combined. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will understand that although some embodiments described herein include some features included in other embodiments but not others, combinations of features from different embodiments are meant to be within the scope of the invention. and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

The various component embodiments of the present invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art should understand that a microprocessor or a digital signal processor (DSP) can be used in practice to implement some or all of the components in a vehicle emergency braking control system according to an embodiment of the present invention. Full functionality. The present invention can also be implemented as an apparatus or an apparatus program (for example, a computer program and a computer program product) for performing a part or all of the methods described herein. Such a program for realizing the present invention may be stored on a computer-readable medium, or may be in the form of one or more signals. Such a signal may be downloaded from an Internet site, or provided on a carrier signal, or provided in any other form.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. does not indicate any order. These words can be interpreted as names.

Claims (8)

1. A vehicle braking control system at temporary stop, characterized in that it comprises: A temporary stop switch, which is used to issue a temporary stop instruction; EPB module, the EPB module is integrated with a slope sensor, the EPB module receives the temporary stop command issued by the temporary stop switch, and sends the slope data and the temporary stop command, The EPB module is also integrated with an EPB controller, which starts timing when the EPB controller receives the temporary stop command sent by the temporary stop switch, and the temporary stop function is converted into a parking function after the temporary stop exceeds the preset time; A data unit, the data unit is used to transmit vehicle weight data; EBS controller, the EBS controller receives the slope data and the temporary stop instruction sent by the EPB module, and the vehicle weight data transmitted by the data unit, then calculates the air pressure value required to realize the temporary stop function, and outputs the air pressure value instruction; A front axle module and a rear axle module, the front axle module and the rear axle module respectively receive the air pressure value command output by the EBS controller, output the brake air pressure value, and feed back the brake air pressure value to the EBS controller; The front axle brake air chamber, which receives the brake air pressure value output by the front axle module, and performs emergency braking; Rear axle double-cavity brake air chamber, the rear axle double-chamber brake air chamber receives the brake air pressure value output by the rear axle module, and executes parking brake or parking brake. 2 . The braking control system for vehicles at temporary stop according to claim 1 , wherein the temporary stop switch is connected to the EPB controller through hard wires. 3 . 3. The braking control system of a vehicle according to claim 1, wherein the data unit includes a VW message. 4. A control method for a vehicle braking control system at a temporary stop according to any one of claims 1-3, characterized in that it comprises: When the vehicle is static, turn on the temporary stop switch, and the temporary stop switch will issue a temporary stop command; When the EPB controller receives the temporary stop command, it starts timing, and when the temporary stop exceeds the preset time, the temporary stop function is converted into a parking function; When the EPB module receives the temporary stop command, it transmits the slope data and the temporary stop command to the EBS controller; After receiving the imminent stop command from the EPB module, the slope data and the vehicle weight data transmitted by the data unit, the EBS controller calculates the brake air pressure value required for braking, and outputs the brake air pressure value to the front axle module and the rear axle module ; The front axle module and the rear axle module respectively receive the air pressure value command output by the EBS controller, and then output the brake air pressure value to the front axle brake air chamber and the driving chamber of the rear axle double chamber brake air chamber to realize the temporary stop function. 5. The control method according to claim 4, characterized in that: when the temporary stop exceeds the preset time, the method of converting the temporary stop function to the parking function includes connecting the EPB module to the rear axle double-chamber brake chamber The air pressure of the air chamber in the parking chamber is all released to realize the air brake, thereby converting to the parking function. 6. A vehicle, characterized in that it comprises the vehicle emergency braking control system according to any one of claims 1-3. 7. An electronic device, comprising: a memory and a processor; The memory is used to store program instructions; The processor is used to call the program instructions in the memory to execute the vehicle emergency braking control system according to any one of claims 1-3 or the vehicle emergency braking control system according to any one of claims 4-5. Control method of the control system. 8. A computer-readable storage medium, characterized in that: computer program instructions are stored in the computer-readable storage medium, and when the computer program instructions are executed, the implementation as described in any one of claims 1-3 A vehicle braking control system at a stop or a control method for a vehicle braking at a stop according to any one of claims 4-5.

Images