Automobile brake reminding system and method

Abstract

The invention relates to the technical field of automobile safety, and discloses an automobile brake reminding system and method, the automobile brake reminding system is applied to a vehicle, and the automobile brake reminding system comprises a speed sensor used for detecting the displacement change of a brake pedal of the vehicle and forming a brake pedal change speed; the controller is in communication connection with the speed sensor and used for collecting the change speed of the brake pedal within a preset time, and when the change speed of the brake pedal is larger than or equal to a speed threshold value, the controller generates an alarm signal; and the terminal equipment is in communication connection with the controller and is used for receiving the alarm signal generated by the controller, and after the terminal equipment receives the alarm signal, the terminal equipment sends a reminding message to the driver. In this way, the emergency brake reminding information can be quickly and timely sent to a driver, and the driving safety is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile safety, and in particular to an automobile brake reminder system and method. Background Art

[0002] In modern society, cars have become an indispensable means of transportation for people to travel. With the increase in the number of cars, the safety of cars has attracted great attention from the whole society.

[0003] At present, there are many reasons why drivers brake suddenly while driving, such as the sudden braking of the vehicle in front, the sudden lane change of the vehicle in front, and the driver's negligence, etc. When sudden braking occurs, the user is generally reminded by detecting the speed change of the current vehicle, or by detecting the G value of the current vehicle to trigger the sudden braking reminder function. These detection methods have a certain delay and cannot send the reminder information to the driver in time, which greatly affects the driving safety.

[0004] Therefore, it is necessary to invent an emergency brake reminder system with low delay and high reminder efficiency. Summary of the invention

[0005] The object of the present invention is to provide a vehicle brake reminder system and method, which can quickly and timely send emergency brake reminder information to the driver to improve driving safety.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A car brake reminder system is used on a vehicle, comprising: a speed sensor, used to detect the displacement change of a brake pedal of the vehicle and form a brake pedal change speed; a controller, which is communicatively connected to the speed sensor and used to collect the brake pedal change speed within a preset time, when the brake pedal change speed is greater than or equal to a speed threshold, the controller generates an alarm signal; and a terminal device, which is communicatively connected to the controller and used to receive the alarm signal generated by the controller, when the terminal device receives the alarm signal, the terminal device will send a reminder message to the driver.

[0008] Preferably, the speed sensor generates a detection result after detecting a displacement change of the brake pedal, and the controller performs data processing on the detection result. When the detection result is an analog signal, the data processing includes converting the analog signal into a digital signal; and when the detection result is a digital signal, the data processing includes decoding the digital signal according to a preset protocol.

[0009] Preferably, the terminal device is a smart phone, a tablet computer, or a vehicle-mounted device.

[0010] Preferably, the reminder information sent by the terminal device according to the alarm signal includes a buzzer or a preset reminder picture or text popping up on a display screen.

[0011] In order to further achieve the above-mentioned purpose, the present invention also provides the following technical solutions:

[0012] A car brake reminder system includes: a displacement sensor, used to detect the displacement value of a brake pedal and form a brake displacement value; a controller, which is communicatively connected to the displacement sensor and used to collect the brake displacement value within a preset time, when the brake displacement value is greater than or equal to a displacement threshold, the controller generates an alarm signal; and a terminal device, which is communicatively connected to the controller and used to receive the alarm signal generated by the controller, when the terminal device receives the alarm signal, the terminal device will send a reminder message to the driver.

[0013] Preferably, the displacement sensor is also used to collect the displacement value generated when the brake pedal is depressed in the initial state, and form an initial detection result. The controller collects the initial detection result and performs data processing to generate the displacement threshold.

[0014] Preferably, after the displacement sensor detects that the brake pedal is pressed, a detection result is generated, and the controller performs data processing on the detection result. When the detection result is an analog signal, the data processing includes converting the analog signal into a digital signal; and when the detection result is a digital signal, the data processing includes decoding the digital signal according to a preset protocol.

[0015] Preferably, the terminal device is a smart phone, a tablet computer, or a vehicle-mounted device.

[0016] Preferably, the reminder information sent by the terminal device according to the alarm signal includes a buzzer or a preset reminder picture or text popping up on a display screen.

[0017] In order to further achieve the above-mentioned purpose, the present invention also provides the following technical solutions:

[0018] A method for reminding a car to brake, applied on a vehicle, comprises the following steps: S1. detecting, by a sensor, an actual value generated after a brake pedal in the vehicle is stepped on within a preset time; S2. judging whether the actual value is greater than or equal to a threshold; S3. if the actual value is greater than or equal to a threshold, the controller will generate an alarm signal, and the controller will send the alarm signal to a terminal device, and after receiving the alarm signal, the terminal device will send a reminder message to the driver.

[0019] Compared with the prior art, the beneficial effects of the present invention are: a method of detecting the extent to which the driver presses the brake pedal is used to determine whether an emergency braking situation occurs. When an emergency braking situation occurs, the system will immediately send the above-mentioned alarm signal to the driver's terminal device, thereby promptly reminding the driver that he is in an emergency braking state at this time. The response speed is fast, and whether an emergency braking situation exists can be directly determined by the information of the brake pedal. The delay is low, and the response speed is much faster than the traditional method, thereby effectively solving the shortcomings of the background technology and improving driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the automobile brake reminder system of Example 1 of the present invention;

[0021] Figure 2 This is a schematic diagram of a vehicle brake reminder system according to Embodiment 2 of the present invention;

[0022] Figure 3 The figure is a flow chart of the automobile brake reminder method according to embodiment 3 of the present invention. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0027] Example 1

[0028] See also Figure 1 In this embodiment, the present invention provides a car brake reminder system 100, which is mainly used in a vehicle, mainly by detecting the displacement change of the driver stepping on the brake pedal, and then detecting the speed of the brake pedal within a preset time, and judging whether the speed is greater than or equal to a speed threshold. When the brake pedal change speed is greater than or equal to a speed threshold, an alarm signal is generated, and then the alarm signal is sent to the driver's terminal device 103 such as a mobile phone, a tablet or a vehicle-mounted device, and the vehicle-mounted device can be a display screen on the dashboard of the car. When the terminal device 103 receives the alarm signal, it will send a reminder message to the driver, thereby reminding the driver that he is in an emergency braking state at this time. In this way, the method of detecting the change speed of the brake pedal is used to determine whether an emergency braking situation occurs. When an emergency braking situation occurs, the system will immediately send the above-mentioned alarm signal to the driver's terminal device, thereby timely reminding the driver that he is in an emergency braking state at this time, and the response speed is fast. It can directly determine whether there is an emergency braking situation through the information of the brake pedal, and the delay is low. Its response speed is much faster than the traditional method, thereby effectively solving the shortcomings existing in the background technology and improving driving safety.

[0029] In detail, the automobile brake reminder system 100 includes a speed sensor 101, a controller 102 and a terminal device 103. The controller 102 is respectively communicated with the speed sensor 101 and the terminal device 103. The speed sensor 101 is mainly used to detect the displacement change of a brake pedal of the vehicle and form a brake pedal change speed. Then the controller 102 will collect the brake pedal change speed. It should be noted that the controller 102 will collect the brake pedal change speed within a preset time. Here it can be understood as collecting the speed within a preset time period and forming the brake pedal change speed. For example, the speed of the driver stepping on the brake pedal within 1s is collected. This speed is the above-mentioned brake pedal change speed. In order to make the speed well identified as the speed generated by the driver in an emergency braking state, the preset time is set as short as possible. After completing the detection of the brake pedal change speed, the controller 102 will collect the brake pedal change speed, and then compare the brake pedal change speed with a speed threshold. When the brake pedal change speed is greater than or equal to a speed threshold, the controller 102 will generate an alarm signal, and then send the alarm signal to the terminal device 103, which can be a mobile phone, a tablet or a vehicle-mounted device. After receiving the alarm signal, the terminal device 103 will send a reminder message to the driver, such as a buzzer or a preset reminder picture or text popping up on a display screen, so as to remind the driver that he is in an emergency braking state at this time. In addition, it should be noted that the speed threshold can be specifically set according to different vehicle models. It can generally be set to 8.8 meters per square second, or it can be set to other values. If you want high sensitivity, you can set the value to be smaller than 8.8 meters per square second; if you want low sensitivity, you can set the value to be higher than 8.8 meters per square second.

[0030] Next, the controller 102 can be a CPU chip or a single-chip microcomputer, which mainly processes digital signals and the process of collecting the change speed of the brake pedal is as follows: when the speed sensor 101 detects that the brake pedal is stepped on, a detection result will be formed, and the controller 102 performs data processing on the detection result. When the detection result is an analog signal, the data processing includes converting the analog signal into a digital signal, thereby realizing the collection of the change speed of the brake pedal. In addition, when the detection result is a digital signal, the data processing includes decoding the digital signal according to a preset protocol.

[0031] Example 2

[0032] See also Figure 2In this embodiment, the present invention provides a car brake reminder system 200, which mainly detects the displacement value generated after the brake pedal is stepped on, and then detects the brake displacement value of the brake pedal within a preset time, and determines whether the brake displacement value is greater than or equal to a displacement threshold. When the brake displacement value is greater than or equal to a displacement threshold, an alarm signal is generated, and then the controller sends the alarm signal to the driver's terminal device 203 such as a mobile phone, a tablet or a vehicle-mounted device. The vehicle-mounted device can be a display screen on the dashboard of the car. When the terminal device 203 receives the alarm signal, it will send a reminder message to the driver, thereby reminding the driver that he is in an emergency braking state at this time. In this way, the method of detecting the amplitude of the brake pedal being stepped on by the driver is used to determine whether an emergency braking situation occurs. When an emergency braking situation occurs, the system will immediately send the above-mentioned alarm signal to the driver's terminal device 203, thereby timely reminding the driver that he is in an emergency braking state at this time, and the response speed is fast. It can directly determine whether there is an emergency braking situation through the information of the brake pedal, and the delay is low. Its response speed is much faster than the traditional method, thereby effectively solving the shortcomings existing in the background technology and improving driving safety.

[0033] In detail, the automobile brake reminder system 200 includes a displacement sensor 201, a controller 202 and a terminal device 203. The controller 202 is respectively communicated with the displacement sensor 201 and the terminal device 203. The displacement sensor 201 is mainly used to detect the displacement value generated when the brake pedal is stepped on by the driver and form a brake displacement value. Then the controller 202 will collect the brake displacement value. It should be noted that the controller 202 will collect the brake displacement value within a preset time. Here it can be understood as collecting the displacement value within a preset time period and forming the brake displacement value. For example, the displacement value of the driver stepping on the brake pedal within 1s is collected. The displacement value is the above-mentioned brake displacement value. In order to make the displacement value well identified as generated by the driver in an emergency braking state, the preset time is set as short as possible. After completing the detection of the brake displacement value, the controller 202 will collect the brake displacement value, and then compare the brake displacement value with a displacement threshold. When the brake displacement value is greater than or equal to a displacement threshold, the controller 202 will generate an alarm signal, and then send the alarm signal to the terminal device 203. The terminal device 203 can be a mobile phone, a tablet or a vehicle-mounted device. After the terminal device 203 receives the alarm signal, it will send a reminder message to the driver, such as a buzzer or a preset reminder picture or text popping up on a display screen, so as to remind the driver that he is in an emergency braking state at this time.

[0034] Next, the controller 202 may be a CPU chip, which mainly processes digital signals and the process of collecting the brake displacement value is as follows: when the displacement sensor 201 detects that the brake pedal is stepped on by the driver, a detection result is formed, and the controller 202 performs data processing on the detection result. When the detection result is an analog signal, the data processing includes converting the analog signal into a digital signal, thereby realizing the collection of the brake displacement value. In addition, when the detection result is a digital signal, the data processing includes decoding the digital signal according to a preset protocol.

[0035] In addition, the displacement sensor 201 is also used to collect the displacement value generated after the brake pedal is stepped on in the initial state, and form an initial detection result. The controller 202 collects the initial detection result and performs data processing to generate a displacement threshold. The initial state can be the state where the driver just gets on the car and then steps on the brake pedal before starting the engine, because most vehicles need to step on the brake pedal to start the engine when starting, and the displacement value at this time can be collected by the displacement sensor 201, and set as the displacement threshold, thereby completing the setting of the displacement threshold. Further, the displacement threshold can also be set in advance by the driver, and the specific setting value of the displacement threshold needs to be set in combination with different car models, different drivers and even different driving environments. For example, if the car model at this time is relatively large and heavy, the displacement threshold needs to be set relatively large. Similarly, when the car model at this time is relatively small and light, the displacement threshold can be set relatively small. It can be set according to the actual application scenario.

[0036] Example 3

[0037] See also Figure 3 In this embodiment, the present invention provides a method for reminding a car brake, which is applied to a vehicle and includes the following steps: S1. Detecting an actual value generated after a brake pedal in the vehicle is stepped on by a sensor within a preset time; S2. Determining whether the actual value is greater than or equal to a threshold; S3. If the actual value is greater than or equal to a threshold, the controller will generate an alarm signal, and the controller will send the alarm signal to a terminal device, and after receiving the alarm signal, the terminal device will send a reminder message to the driver. In addition, if the actual value is less than a threshold, it will return to step S1 to re-acquire the actual value generated after the brake pedal is stepped on.

[0038] Among them, in step S1, the sensor can be a speed sensor 101 or a displacement sensor 201, and different actual values ​​are selected and detected according to different sensor types. For example, if the sensor is a speed sensor, it can refer to the above-mentioned embodiment 1, by detecting the speed at which the brake pedal is stepped on by the driver and forming a brake pedal change speed, the actual value at this time is the brake pedal change speed, and then steps S2-step S3 will be executed according to the actual value obtained in step S1. The specific principles and execution methods are explained in embodiment 1 and will not be repeated here. Similarly, if the sensor is a displacement sensor 201, it can refer to the above-mentioned embodiment 2 at this time, by detecting the displacement value generated after the brake pedal is stepped on by the driver and forming a brake displacement value, the actual value at this time is the brake displacement value, and then steps S2-step S3 will be executed according to the actual value obtained in step S1, the specific principles and execution methods are explained in embodiment 2 and will not be repeated here.

[0039] In addition, it should be noted that the prerequisite for executing the above steps S1-S3 is that the vehicle is already in a started state, and the above-mentioned vehicle brake reminder method is executed in this started state.

[0040] In summary, in combination with Example 1, Example 2 and Example 3, a car brake reminder system and method are provided, which uses the method of detecting the extent to which the brake pedal is depressed by the driver to determine whether an emergency braking situation occurs, thereby promptly reminding the driver that he is in an emergency braking state at this time. The response speed is fast, and whether an emergency braking situation exists can be directly determined through the information of the brake pedal. The delay is low, thereby effectively solving the shortcomings of the background technology and improving driving safety.

[0041] According to the disclosure and teaching of the above description, those skilled in the art to which the present invention belongs may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims

1. A car brake reminder system, applied to a vehicle, characterized in that: include: A speed sensor, used to detect a displacement change of a brake pedal of the vehicle and form a brake pedal change speed; a controller, in communication with the speed sensor, for collecting the change speed of the brake pedal within a preset time, and generating an alarm signal when the change speed of the brake pedal is greater than or equal to a speed threshold; and The terminal device is connected to the controller for receiving the alarm signal generated by the controller. When the terminal device receives the alarm signal, the terminal device sends a reminder message to the driver.

2. The automobile brake reminder system according to claim 1, characterized in that: The speed sensor generates a detection result after detecting the displacement change of the brake pedal, and the controller performs data processing on the detection result. When the detection result is an analog signal, the data processing includes converting the analog signal into a digital signal; and When the detection result is a digital signal, the data processing includes decoding the digital signal according to a preset protocol.

3. The automobile brake reminder system according to claim 1, characterized in that: The terminal device is a smart phone, a tablet computer or a vehicle-mounted device.

4. The automobile brake reminder system according to claim 1, characterized in that: The reminder information sent by the terminal device according to the alarm signal includes a buzzer or a preset reminder picture or text popping up on a display screen.

5. A car brake reminder system, characterized in that: include: A displacement sensor, used to detect a displacement value of a brake pedal and form a brake displacement value; A controller, connected in communication with the displacement sensor, for collecting the brake displacement value within a preset time, and when the brake displacement value is greater than or equal to a displacement threshold, the controller generates an alarm signal; and The terminal device is connected to the controller for receiving the alarm signal generated by the controller. When the terminal device receives the alarm signal, the terminal device sends a reminder message to the driver.

6. The automobile brake reminder system according to claim 5, characterized in that: The displacement sensor is also used to collect the displacement value generated when the brake pedal is stepped on in the initial state, and form an initial detection result. The controller collects the initial detection result and performs data processing to generate the displacement threshold.

7. The automobile brake reminder system according to claim 5, characterized in that: After the displacement sensor detects that the brake pedal is stepped on, a detection result is generated, and the controller performs data processing on the detection result. When the detection result is an analog signal, the data processing includes converting the analog signal into a digital signal; and When the detection result is a digital signal, the data processing includes decoding the digital signal according to a preset protocol.

8. The automobile brake reminder system according to claim 5, characterized in that: The terminal device is a smart phone, a tablet computer or a vehicle-mounted device.

9. The automobile brake reminder system according to claim 5, characterized in that: The reminder information sent by the terminal device according to the alarm signal includes a buzzer or a preset reminder picture or text popping up on a display screen.

10. A vehicle brake reminder method, applied to a vehicle, characterized in that: The following steps are involved: S1. The actual value generated by a sensor detecting a brake pedal in the vehicle after being depressed within a preset time; S2. Determine whether the actual value is greater than or equal to a threshold; S3. If the actual value is greater than or equal to a threshold value, the controller will generate an alarm signal, and the controller will send the alarm signal to a terminal device. After receiving the alarm signal, the terminal device will send a reminder message to the driver.

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