CN114872671B - Vehicle temporary stop brake control system, vehicle and control method thereof - Google Patents
Vehicle temporary stop brake control system, vehicle and control method thereof Download PDFInfo
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- CN114872671B CN114872671B CN202210701098.8A CN202210701098A CN114872671B CN 114872671 B CN114872671 B CN 114872671B CN 202210701098 A CN202210701098 A CN 202210701098A CN 114872671 B CN114872671 B CN 114872671B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000006870 function Effects 0.000 claims description 38
- 238000004590 computer program Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
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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
- B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
- B60T2210/20—Road shapes
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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
- B60T2250/00—Monitoring, detecting, estimating vehicle conditions
- B60T2250/02—Vehicle mass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
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
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle temporary stop brake control system, a vehicle and a control method thereof.
Background
In recent years, with the development of vehicle technology, more and more drivers are pursuing the operation comfort and convenience. The temporary parking function of the automobile is widely applied because the temporary parking function of the automobile can greatly facilitate the parking of a driver.
However, the existing temporary parking function of the vehicle is realized by calibrating a specific air pressure value, and the method has the following disadvantages:
1. the large air consumption of the temporary stop function is realized by simply calibrating and selecting a large air pressure value, and certain waste exists.
2. A large amount of manpower, material resources and financial resources are wasted when a specific air pressure value is calibrated, and the development period is relatively prolonged.
Disclosure of Invention
In view of the above problems, the present invention has been made to provide a vehicle impending brake control system, a vehicle and a control method thereof that overcome or at least partially solve the above problems.
According to an aspect of the present invention, there is provided a vehicle impending brake control system comprising:
the system comprises a critical stop switch, a main control switch and a standby switch, wherein the critical stop switch is used for sending a critical stop instruction;
the EPB module is integrated with a ramp sensor, receives a temporary stop instruction sent by a temporary stop switch, sends gradient data and the temporary stop instruction, and specifically sends the gradient data by the ramp sensor;
the data unit is used for transmitting the weight data of the whole vehicle;
the EBS controller receives the gradient data and the temporary stopping instruction sent by the EPB module and the whole vehicle weight data transmitted by the data unit, calculates an air pressure value required by realizing the temporary stopping function and outputs the air pressure value instruction;
the front axle module and the rear axle module respectively receive an air pressure value instruction output by the EBS controller, output a brake air pressure value and feed back the brake air pressure value to the EBS controller;
the front axle brake air chamber receives the brake air pressure value output by the front axle module and executes the temporary stop brake;
and the rear axle double-cavity brake air chamber receives the brake air pressure value output by the rear axle module and executes the temporary stop brake or parking brake.
Optionally, the EPB module is further integrated with an EPB controller, and when the EPB controller receives a temporary stop command from the temporary stop switch, the EPB controller starts timing, and when the temporary stop exceeds a preset time, the temporary stop function is switched to the parking function.
Optionally, the critical switch is connected to the EPB controller by a hard wire.
Optionally, the data unit includes a VW message, but is not limited thereto.
According to still another aspect of the present invention, there is provided a control method of a vehicle parking brake control system, including:
when the vehicle is in a static state, the critical stop switch is turned on and sends a critical stop instruction;
the EPB controller starts timing when receiving the temporary stop instruction, and the temporary stop function is converted into the parking function after the temporary stop exceeds the preset time;
after the EPB module receives the critical stopping instruction, transmitting the gradient data and the critical stopping instruction to the EBS controller;
after receiving a temporary stop instruction, gradient data and whole vehicle weight data transmitted by the data unit sent by the EPB module, the EBS controller calculates a brake air pressure value required by braking and outputs the brake air pressure value to the front axle module and the rear axle module;
and after the front axle module and the rear axle module respectively receive the air pressure value instruction output by the EBS controller, the front axle module and the rear axle module respectively output brake air pressure values to the driving cavities of the front axle brake air chamber and the rear axle dual-cavity brake air chamber, so that the temporary stop function is realized.
Optionally, the method for converting the parking function into the parking function after the parking exceeds the preset time comprises the step of completely releasing air chamber air pressure from the EPB module to the parking chamber of the rear axle dual-chamber brake air chamber, so that air break braking is realized, and the parking function is converted into the parking function.
According to yet another aspect of the invention, a vehicle is provided that includes any of the vehicle impending brake control systems described above.
In accordance with still another aspect of the present invention, there is provided an electronic apparatus including: a memory and a processor;
the memory is to store program instructions;
the processor is used for calling the program instructions in the memory to execute any one of the vehicle critical braking control systems or any one of the control methods of the vehicle critical braking control systems.
According to yet another aspect of the present invention, there is provided a computer readable storage medium having stored therein computer program instructions which, when executed, implement any one of the above vehicle pre-stop brake control systems or a control method of any one of the above vehicle pre-stop brake control systems.
According to yet another aspect of the invention, a computer program product is provided, comprising a computer program which, when executed by a processor, implements any of the above vehicle critical braking control systems or any of the above control methods of a vehicle critical braking control system.
Therefore, according to the technical scheme, the vehicle temporary stop brake control system is provided, gradient data are collected through the ramp sensor, the weight data of the whole vehicle are transmitted through the data unit, the brake air pressure value required by parking under the working condition is calculated, the brake air pressure value is accurately output, different brake air pressure values are output at different gradients, the temporary stop function is realized, the waste of unnecessary air consumption is avoided, the manpower, material resources and financial resources are saved, the development period is shortened, and the important economic value is achieved.
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 embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 shows a schematic configuration of a vehicle temporary stop brake control system according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While 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 so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 shows a schematic structural diagram of a vehicle critical braking control system according to an embodiment of the invention.
As shown in fig. 1, the vehicle parking brake control system provided by the present invention includes:
the system comprises a critical switch, a control switch and a controller, wherein the critical switch is used for sending a critical command;
the system comprises an EPB module, a slope sensor and a controller, wherein the EPB module is integrated with the slope sensor, receives a critical stopping instruction sent by a critical stopping switch and sends gradient data and the critical stopping instruction;
the data unit is used for transmitting the weight data of the whole vehicle;
the EBS controller receives the gradient data and the temporary stopping instruction sent by the EPB module and the whole vehicle weight data transmitted by the data unit, calculates an air pressure value required by realizing the temporary stopping function and outputs the air pressure value instruction;
the front axle module and the rear axle module respectively receive an air pressure value instruction output by the EBS controller, output a brake air pressure value and feed back the brake air pressure value to the EBS controller;
the front axle brake air chamber receives the brake air pressure value output by the front axle module and executes the temporary stop brake;
and the rear axle double-cavity brake air chamber receives the brake air pressure value output by the rear axle module and executes the temporary stop brake or parking brake.
Furthermore, the EPB module is also integrated with an EPB controller, when the EPB controller receives a temporary stop command sent by a temporary stop switch, timing is started, and the temporary stop function is converted into the parking function after the temporary stop exceeds the preset time. For example, the provisional stop preset time is 2min, the provisional stop function is executed when the provisional stop is less than or equal to 2min, and the parking function is switched to when the provisional stop exceeds 2 min. In specific implementation, the temporary stop preset time can be selected according to actual conditions.
Further, the critical switch is connected with the EPB controller through a hard wire.
Further, the data unit includes, but is not limited to, a VW message.
According to still another aspect of the present invention, there is provided a control method of a vehicle temporary stop brake control system, including:
when the vehicle is in a static state, the critical stop switch is turned on and sends a critical stop instruction;
the EPB controller starts timing when receiving a temporary stop instruction, and the temporary stop function is converted into a parking function after the temporary stop exceeds a preset time;
after receiving the critical stopping instruction, the EPB module transmits the gradient data and the critical stopping instruction to the EBS controller;
after receiving a temporary stop instruction, gradient data and whole vehicle weight data transmitted by the data unit sent by the EPB module, the EBS controller calculates a brake air pressure value required by braking and outputs the brake air pressure value to the front axle module and the rear axle module;
and after the front axle module and the rear axle module respectively receive the air pressure value instruction output by the EBS controller, the front axle module and the rear axle module respectively output brake air pressure values to the driving cavities of the front axle brake air chamber and the rear axle dual-cavity brake air chamber, so that the temporary stop function is realized.
Further, the method for converting the parking function into the parking function after the parking exceeds the preset time comprises the step of completely releasing air chamber air pressure from the EPB module to a parking chamber of a rear axle double-cavity brake air chamber, so that air break braking is realized, and the parking function is converted into the parking function.
In one embodiment of the invention, a vehicle is provided that includes any of the vehicle impending brake control systems described above.
Further, the vehicle type includes a commercial vehicle, and in a specific implementation, the vehicle type can be selected according to needs, but the vehicle type is within the protection scope of the present application.
In one embodiment of the present invention, there is provided an electronic device including: a memory and a processor;
the memory is to store program instructions;
the processor is used for calling the program instructions in the memory to execute any one of the vehicle critical braking control systems or any one of the control methods of the vehicle critical braking control systems.
In one embodiment of the invention, a computer readable storage medium is provided having computer program instructions stored therein that, when executed, implement any of the above vehicle provisional braking control systems or any of the above control methods of the vehicle provisional braking control systems.
In an embodiment of the invention, there is provided a computer program product comprising a computer program which, when executed by a processor, implements any of the above-described control systems or any of the above-described control methods.
In the technical scheme, the EPB module and the VW message transmit the weight data of the whole vehicle to the EBS controller through CAN communication; the front axle module and the rear axle module respectively receive the instruction of the EBS controller through CAN communication and feed back the braking air pressure value to the EBS controller through the CAN communication.
In a word, the vehicle is faced and stops braking control system that this application provided passes through ramp sensor collection slope data, through whole car weight data of data unit transmission, calculates the required braking air pressure value of stopping under this operating mode to accurate output braking air pressure value reaches the different braking air pressure values of different slope output and realizes facing the function of stopping, has avoided unnecessary waste of air consumption, has saved manpower, material resources, financial resources, has shortened development cycle. In addition, by setting the time of the impending outage, the EBS controller lifetime is extended.
It should be noted that:
the algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may be used with the teachings herein. The required structure for constructing an arrangement of this type will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the 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 an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be construed to reflect the intent: that the invention as claimed 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 will appreciate that the modules in the devices in an embodiment may be adaptively changed and arranged in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component and, in addition, they may be divided into multiple H-bridge sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any 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 appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of 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.
Various component embodiments of the 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 will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in a vehicle impending brake control system according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing 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 website or provided on a carrier signal or 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 the unit claims enumerating several means, several of these means can be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
Claims (8)
1. A vehicle impending brake control system characterized by comprising:
the system comprises a critical switch, a control switch and a controller, wherein the critical switch is used for sending a critical command;
the EPB module is integrated with a ramp sensor, receives a critical stopping command sent by a critical stopping switch, sends gradient data and the critical stopping command,
the EPB module is further integrated with an EPB controller, when the EPB controller receives a temporary stop instruction sent by a temporary stop switch, timing is started, and a temporary stop function is converted into a parking function after the temporary stop exceeds a preset time;
the data unit is used for transmitting the weight data of the whole vehicle;
the EBS controller receives the gradient data and the temporary stopping instruction sent by the EPB module and the whole vehicle weight data transmitted by the data unit, calculates an air pressure value required by realizing the temporary stopping function and outputs the air pressure value instruction;
the front axle module and the rear axle module respectively receive an air pressure value instruction output by the EBS controller, output a braking air pressure value and feed back the braking air pressure value to the EBS controller;
the front axle brake air chamber receives the brake air pressure value output by the front axle module and executes the temporary stop brake;
and the rear axle double-cavity brake air chamber receives the brake air pressure value output by the rear axle module and executes the temporary stop brake or the parking brake.
2. The vehicle temporary stop brake control system according to claim 1, characterized in that: the critical stop switch is connected with the EPB controller through a hard wire.
3. The vehicle temporary stop brake control system according to claim 1, characterized in that: the data unit comprises a VW message.
4. A control method of a vehicle temporary stop brake control system according to any one of claims 1 to 3, characterized by comprising:
when the vehicle is in a static state, the critical stop switch is turned on and sends a critical stop instruction;
the EPB controller starts timing when receiving the temporary stop instruction, and the temporary stop function is converted into the parking function after the temporary stop exceeds the preset time;
after receiving the critical stopping instruction, the EPB module transmits the gradient data and the critical stopping instruction to the EBS controller;
after receiving a temporary stop instruction, gradient data and whole vehicle weight data transmitted by the data unit sent by the EPB module, the EBS controller calculates a brake air pressure value required by braking and outputs the brake air pressure value to the front axle module and the rear axle module;
and after the front axle module and the rear axle module respectively receive the air pressure value instruction output by the EBS controller, the front axle module and the rear axle module respectively output brake air pressure values to the driving cavities of the front axle brake air chamber and the rear axle dual-cavity brake air chamber, so that the temporary stop function is realized.
5. The control method according to claim 4, characterized in that: the method for converting the temporary parking function into the parking function after the temporary parking exceeds the preset time comprises the steps of completely releasing air chamber air pressure from an EPB module to a rear axle double-cavity brake air chamber parking cavity, realizing air-break braking and converting into the parking function.
6. A vehicle, characterized in that: a vehicle critical braking control system comprising any of the vehicle claims 1-3.
7. An electronic device, comprising: a memory and a processor;
the memory is to store program instructions;
the processor is configured to invoke the program instructions in the memory to execute the vehicle critical braking control system according to any one of claims 1-3 or the control method of the vehicle critical braking control system according to any one of claims 4-5.
8. A computer-readable storage medium, characterized in that: the computer readable storage medium has stored therein computer program instructions which, when executed, implement a vehicle critical braking control system as defined in any one of claims 1 to 3 or a control method of vehicle critical braking as defined in any one of claims 4 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701098.8A CN114872671B (en) | 2022-06-20 | 2022-06-20 | Vehicle temporary stop brake control system, vehicle and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210701098.8A CN114872671B (en) | 2022-06-20 | 2022-06-20 | Vehicle temporary stop brake control system, vehicle and control method thereof |
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| Publication Number | Publication Date |
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| CN114872671A CN114872671A (en) | 2022-08-09 |
| CN114872671B true CN114872671B (en) | 2023-03-31 |
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| CN202210701098.8A Active CN114872671B (en) | 2022-06-20 | 2022-06-20 | Vehicle temporary stop brake control system, vehicle and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116968702A (en) * | 2023-07-07 | 2023-10-31 | 广州瑞立科密汽车电子股份有限公司 | Vehicle control device and method based on temporary parking and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009173063A (en) * | 2008-01-21 | 2009-08-06 | Toyota Motor Corp | Parking control device for vehicle |
| CN106627530A (en) * | 2016-12-28 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Automatic control method and system for assistant parking |
| CN109795480A (en) * | 2019-01-28 | 2019-05-24 | 汉腾汽车有限公司 | A kind of parking on ramp automatic parking system and its control method |
| CN112297861B (en) * | 2020-01-16 | 2022-07-12 | 长城汽车股份有限公司 | Parking method and device |
| CN114559909B (en) * | 2022-03-21 | 2023-03-28 | 东风华神汽车有限公司 | Control method for commercial vehicle EPB system |
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