Variable speed prompting device and vehicle control method

Abstract

The present application discloses a variable-speed prompting device and a control method for a vehicle, belonging to the technical field of automobiles. The variable-speed prompting device includes: a pressure detection component, an inclination detection component, a control component, and a prompting component. When the variable-speed prompting device is installed on a vehicle, during the driving process of the vehicle, since the rolling member in the pressure detection component can roll in the box body, and the rolling member generates pressure on the first pressure sensor. At the same time, the inclination detection component in the variable-speed prompting device can detect the inclination angle of the vehicle in the driving direction. Therefore, the control component can control the prompting component to send out a prompting message based on the first pressure exerted by the rolling member detected by the first pressure sensor and the inclination angle of the vehicle in the driving direction detected by the inclination detection component. In this way, the vehicle can perform real-time monitoring and prompting of the vehicle speed state, and can prompt the surrounding vehicles of the vehicle speed change, effectively improving the driving safety performance of the vehicle.

Description

Technical Field

[0001] This application relates to the technical field of automobiles, and particularly relates to a gearshift prompt device and a vehicle control method. Background Art

[0002] With the improvement of people's living standards, cars are becoming more and more common in daily life. As a result, a series of problems such as road traffic congestion and frequent accidents have emerged.

[0003] Currently, in order to ensure the travel safety of drivers, there is usually an overspeed voice prompt in the vehicle, or the deceleration behavior is prompted to surrounding vehicles through the brake lights.

[0004] However, currently, it is impossible to perform real-time monitoring and prompting on the vehicle speed state when the vehicle is driving within the specified speed limit, and the driving safety performance of the vehicle is relatively low. Summary of the Invention

[0005] Embodiments of this application provide a gearshift prompt device and a vehicle control method. It can solve the problem that the vehicle speed state of the existing vehicle when driving within the specified speed limit is not monitored and prompted in real time, resulting in relatively low driving safety performance of the vehicle. The technical solutions are as follows:

[0006] On the one hand, a gearshift prompt device is provided. The gearshift prompt device includes:

[0007] The gearshift prompt device is installed on the vehicle and includes: a pressure detection component, an inclination detection component, a control component, and a prompt component;

[0008] The pressure detection component includes: a box body, a rolling member, and a first pressure sensor located inside the box body. The rolling member can roll inside the box body, and the rolling member is closer to the front of the vehicle relative to the pressure detection component;

[0009] The control component is electrically connected to the first pressure sensor, the inclination detection component, and the prompt component respectively. The control component is configured to: after detecting the first pressure exerted by the rolling member through the first pressure sensor and detecting the inclination angle of the vehicle in the driving direction through the inclination detection component, control the prompt component to send a prompt message based on the first pressure and the inclination angle.

[0010] Optionally, the prompt component includes: a first prompter and a second prompter;

[0011] The control component is configured to: based on the first pressure and the tilt angle, control the first prompter to issue a first prompt message for indicating that the vehicle speed is reduced, or control the second prompter to issue a second prompt message for indicating that the vehicle speed is increased.

[0012] Optionally, the control component is configured to: determine a first acceleration of the vehicle based on the first pressure and the tilt angle;

[0013] If it is determined that the first acceleration is less than 0, controlling the first prompter to issue the first prompt information;

[0014] If it is determined that the first acceleration is greater than 0, the second prompter is controlled to issue the second prompt information.

[0015] Optionally, the control component is configured to: determine a first acceleration of the vehicle based on the first pressure and the tilt angle using a first calculation formula; the first calculation formula is:

[0016]

[0017] Wherein, a1 is the first acceleration, F1 is the value of the first pressure, m is the mass of the rolling element, g is the gravity coefficient, and θ is the value of the inclination angle.

[0018] Optionally, the pressure detection component includes: a second pressure sensor, the second pressure sensor is located on a side of the rolling element away from the first pressure sensor;

[0019] The control component is also configured to: after detecting the second pressure applied by the rolling element through the second pressure sensor and detecting the inclination angle of the vehicle in the driving direction through the inclination detection component, control the first prompter to issue the first prompt information based on the second pressure and the inclination angle, or control the second prompter to issue the second prompt information.

[0020] Optionally, the control component is further configured to: determine a second acceleration of the vehicle based on the second pressure and the tilt angle;

[0021] If it is determined that the second acceleration is less than 0, controlling the first prompter to issue the first prompt information;

[0022] If it is determined that the second acceleration is greater than 0, the second prompter is controlled to issue the second prompt information.

[0023] Optionally, the control component is further configured to: based on the second pressure and the tilt angle, use a second calculation formula to determine a second acceleration of the vehicle; the second calculation formula is:

[0024]

[0025] where a2 is the second acceleration; F2 is the value of the second pressure; m is the mass of the rolling element; g is the gravitational coefficient; θ is the tilt angle value.

[0026] Optionally, the rolling element is a sphere.

[0027] On the other hand, a control method for a vehicle is provided, the method including:

[0028] Detecting, by the first pressure sensor, a first pressure applied by the rolling element;

[0029] Detecting, by the tilt detection component, a tilt angle of the vehicle in the driving direction;

[0030] Based on the first pressure and the tilt angle, controlling the prompting component to issue a prompt message.

[0031] Optionally, the method further includes: when the vehicle is driving normally, detecting whether the vehicle receives a braking signal or an acceleration signal;

[0032] If the vehicle does not receive the braking signal and does not receive the acceleration signal, performing the operation of detecting the first pressure applied by the rolling element.

[0033] The beneficial effects brought by the technical solution provided by the embodiments of the present application at least include:

[0034] A variable speed prompting device includes: a pressure detection component, an inclination detection component, a control component, and a prompting component. When the variable speed prompting device in the embodiment of the present application is installed on a vehicle, during the driving process of the vehicle, since the rolling member in the pressure detection component can roll in the box body and the rolling member generates pressure on the first pressure sensor. At the same time, the inclination detection component in the variable speed prompting device can detect the inclination angle of the vehicle in the driving direction. Therefore, the control component can control the prompting component to send a prompting message based on the first pressure exerted by the rolling member detected by the first pressure sensor and the inclination angle of the vehicle detected by the inclination detection component in the driving direction. For example, when the vehicle is climbing a slope, if the driver does not manually intervene in the vehicle speed, the vehicle speed will decrease at this time. The first pressure sensor can detect the first pressure exerted by the rolling member, and the inclination detection component can detect the inclination angle of the vehicle when climbing the slope. The control component controls the prompting component to send a prompting message for the vehicle to decelerate based on the first pressure and the inclination angle. In this way, the vehicle can perform real-time monitoring and prompting of the vehicle speed state, and can prompt the surrounding vehicles of the vehicle speed change, effectively improving the driving safety performance of the vehicle. Description of the Drawings

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0036] Figure 1 It is a schematic structural diagram of a variable speed prompting device provided by an embodiment of the present application;

[0037] Figure 2 is Figure 1 The structural block diagram of the variable speed prompting device shown;

[0038] Figure 3 It is an effect diagram of the inclination of a variable speed prompting device provided by an embodiment of the present application;

[0039] Figure 4 It is the structural block diagram of another variable speed prompting device provided by an embodiment of the present application;

[0040] Figure 5 It is a schematic structural diagram of yet another variable speed prompting device provided by an embodiment of the present application;

[0041] Figure 6 is Figure 5 The structural block diagram of the variable speed prompting device shown;

[0042] Figure 7It is an effect diagram of the inclination of another speed change prompting device provided by an embodiment of the present application;

[0043] Figure 8 It is a flowchart of a vehicle control method provided by an embodiment of the present application;

[0044] Figure 9 It is a flowchart of another vehicle control method provided by an embodiment of the present application. Detailed implementation manners

[0045] To make the objectives, technical solutions and advantages of the present application clearer, the following will further describe the embodiments of the present application in detail with reference to the accompanying drawings.

[0046] Currently, vehicles cannot monitor and prompt the vehicle speed state in real time in various driving scenarios, resulting in low driving safety performance of the vehicles. For example, in one scenario, if the driver does not manually intervene in the vehicle speed, when the vehicle climbs a slope, the vehicle speed will also decrease, but at this time, the brake lights on the vehicle will not light up normally. Therefore, no deceleration prompt will be given to the surrounding vehicles. In another scenario, if the driver does not manually intervene in the vehicle speed, when the vehicle goes downhill, the vehicle speed will also increase, but at this time, the vehicle will not give an acceleration prompt to the surrounding vehicles. Thus, the driving safety of the vehicle in the above two scenarios is relatively low.

[0047] Please refer to Figure 1 and Figure 2 , Figure 1 It is a schematic structural diagram of a speed change prompting device provided by an embodiment of the present application, Figure 2 It is Figure 1 The structural block diagram of the shown speed change prompting device. The speed change prompting device can be installed on a vehicle. The speed change prompting device can include: a pressure detection component 100, an inclination detection component 200, a control component 300, and a prompting component 400.

[0048] The pressure detection component 100 in the speed change prompting device can include: a box body 101, a rolling member 102, and a first pressure sensor 103. Among them, both the rolling member 102 and the first pressure sensor 103 can be located inside the box body 101. The rolling member 102 can roll inside the box body 101. The first pressure sensor 103 can be fixed inside the box body 101, and the rolling member 102 can be closer to the vehicle head relative to the pressure detection component 100.

[0049] The control component 300 in the variable-speed prompting device can be electrically connected to the first pressure sensor 103, the tilt detection component 200, and the prompting component 400 respectively. The control component 300 can be configured to: after detecting the first pressure applied by the rolling member 102 through the first pressure sensor 103 and detecting the tilt angle of the vehicle in the driving direction through the tilt detection component 200, based on the first pressure applied by the rolling member 102 to the first pressure sensor 103 and the tilt angle of the vehicle in the driving direction detected by the tilt detection component 200, control the prompting component 400 in the variable-speed prompting device to send a prompting message. It should be noted that the tilt angle θ of the vehicle in the driving direction refers to the included angle between the longitudinal direction of the vehicle body and the horizontal ground.

[0050] In this application, the control component 300 can control the prompting component 400 to send different prompting signals based on the first pressure applied by the rolling member 102 detected by the first pressure sensor and the tilt angle of the vehicle in the driving direction detected by the tilt detection component 200, and nearby vehicles can adjust their own driving behaviors through the different prompting signals.

[0051] For example, when the variable-speed prompting device in the embodiment of this application is installed on a vehicle, during the driving process of the vehicle, since the rolling member 102 in the pressure detection component 100 can roll in the box body 101 and the rolling member 102 generates pressure on the first pressure sensor 103. At the same time, the tilt detection component 200 in the variable-speed prompting device can detect the tilt angle of the vehicle in the driving direction. Therefore, the control component 300 can control the prompting component 400 to send a prompting message based on the first pressure applied by the rolling member 102 detected by the first pressure sensor 103 and the tilt angle of the vehicle in the driving direction detected by the tilt detection component 200. It should be noted that the control component 300 can control the prompting component 400 to send different prompting messages based on the change in the vehicle speed, so as to accurately prompt the surrounding vehicles. For example, please refer to Figure 3 , Figure 3 is the effect diagram of the tilt of a variable-speed prompting device provided by an embodiment of this application. When the vehicle climbs a slope, if the driver does not manually intervene in the vehicle speed, the vehicle speed will decrease at this time. The first pressure sensor 103 can detect the first pressure applied by the rolling member 102, and the tilt detection component 200 can detect the tilt angle of the vehicle when climbing the slope. The control component 300 controls the prompting component 400 to send a prompting message for the vehicle to decelerate based on the first pressure and the tilt angle. In this way, the vehicle can monitor and prompt the speed state in real time through the variable-speed prompting device, and can prompt the surrounding vehicles of the speed change, effectively improving the driving safety performance of the vehicle.

[0052] It should be noted that the prompt information can be audio information and / or text information. When the prompt information is audio information, the control component 300 can control the prompt component 400 in the variable-speed prompt device to play the prompt information; when the prompt information is text information, the control component 300 can control the prompt component 400 in the variable-speed prompt device to display the prompt information. The embodiments of the present application do not limit this.

[0053] In summary, the embodiments of the present application provide a variable-speed prompt device, including: a pressure detection component, an inclination detection component, a control component, and a prompt component. When the variable-speed prompt device in the embodiments of the present application is installed on a vehicle, during the driving process of the vehicle, since the rolling member in the pressure detection component can roll in the box body, and the rolling member generates pressure on the first pressure sensor. At the same time, the inclination detection component in the variable-speed prompt device can detect the inclination angle of the vehicle in the driving direction. Therefore, the control component can control the prompt component to send out prompt information based on the first pressure detected by the first pressure sensor exerted by the rolling member and the inclination angle of the vehicle detected by the inclination detection component in the driving direction. For example, when the vehicle is climbing a slope, if the driver does not manually intervene in the vehicle speed, the vehicle speed will decrease at this time. The first pressure sensor can detect the first pressure exerted by the rolling member, and the inclination detection component can detect the inclination angle of the vehicle when climbing the slope. The control component controls the prompt component to send out a prompt information indicating that the vehicle speed has decreased based on the first pressure and the inclination angle. In this way, the vehicle can perform real-time monitoring and prompting of the vehicle speed state, and can prompt the surrounding vehicles of the vehicle speed change, effectively improving the driving safety performance of the vehicle.

[0054] Optionally, please refer to Figure 4 , Figure 4 is a structural block diagram of another variable-speed prompt device provided by the embodiments of the present application. The prompt component 400 in the variable-speed prompt device can include: a first prompter 401 and a second prompter 402. The control component 300 in the variable-speed prompt device can be configured to: based on the first pressure exerted by the rolling member 102 on the first pressure sensor 103 and the inclination angle of the vehicle detected by the inclination detection component 200 in the driving direction, control the first prompter 401 to send out a first prompt information for indicating that the vehicle speed has decreased, or control the second prompter 402 in the prompt component 400 to send out a second prompt information for indicating that the vehicle speed has increased. In the present application, both the first prompter 401 and the second prompter 402 can be signal indicators, and when the vehicle speed changes, the control component 300 controls the first prompter 401 and the second prompter 402 to send out different prompt information. For example, when the vehicle speed decreases, the first prompter 401 can be a signal indicator showing red. When the vehicle speed increases, the second prompter 402 can be a signal indicator showing green.

[0055] In this case, when the control component 300 determines, based on the first pressure exerted by the rolling member 102 detected by the first pressure sensor 103 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200, that the vehicle speed is decreasing, the first promptor 401 is controlled to issue a first prompt message for indicating that the vehicle speed is decreasing. If it is determined by the control component 300 that the vehicle speed is increasing, the second promptor 402 is controlled to issue a second prompt message for indicating that the vehicle speed is increasing. In this way, the change state of the vehicle speed can be indicated to the vehicles or pedestrians around the vehicle, thereby effectively improving the driving safety performance of the vehicle.

[0056] In the embodiment of the present application, the control component 300 in the variable speed prompt device can also be configured to: based on the first pressure exerted by the rolling member 102 on the first pressure sensor 103 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200, the first acceleration a1 of the vehicle can be determined. If it is determined by the control component 300 that the first acceleration a1 of the vehicle is less than 0, the first promptor 401 in the prompt component 400 is controlled to issue a first prompt message. If it is determined by the control component 300 that the first acceleration a1 of the vehicle is greater than 0, the second promptor 402 in the prompt component 400 is controlled to issue a second prompt message. In this case, the control component 300 can determine the value of the first acceleration a1 of the vehicle based on the first pressure exerted by the rolling member 102 detected by the first pressure sensor 103 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200. If the value of the first acceleration a1 is less than 0, the control component 300 controls the first promptor 401 to issue a first prompt message. If the value of the first acceleration a1 is greater than 0, the control component 300 controls the second promptor 402 to issue a second prompt message. In this way, during the driving process of the vehicle, the variable speed prompt device can monitor the change of the vehicle speed in real time, improving the driving safety performance of the vehicle.

[0057] Optionally, the control component 300 in the variable speed prompt device can be configured to: based on the first pressure exerted by the rolling member 102 on the first pressure sensor 103 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200, the first acceleration a1 of the vehicle can be determined by using a first calculation formula. Wherein, the first calculation formula can be:

[0058]

[0059] Wherein, F1 is the value of the first pressure exerted by the rolling member on the first pressure sensor, m is the mass of the rolling member, g is the gravitational coefficient, and θ is the value of the inclination angle of the vehicle in the driving direction detected by the inclination detection component.

[0060] It should be noted that the value of the first pressure F1 can be detected by the first pressure sensor 103, the value of the gravitational coefficient g is known, the value of the mass m of the rolling element 102 is known, and the inclination angle θ of the vehicle in the driving direction can be detected by the inclination detection component 200. Thus, through the above calculation formula, the value of the first acceleration a1 of the vehicle can be calculated. By way of example, for the driving conditions of the vehicle, there are multiple possible situations. The following embodiments will be schematically described by taking two possible situations as examples:

[0061] In the first possible situation, when the vehicle is driving on a horizontal road surface, the value of the inclination angle of the vehicle detected by the inclination detection component 200 in the variable speed prompting device is 0. First of all, it should be noted that at this time, if the vehicle is stationary on the horizontal road surface or driving at a constant speed on the horizontal road surface, the value of the first acceleration a1 is 0. At this time, if the vehicle speed is increasing, the first pressure sensor 103 detects the first pressure value applied by the rolling element 102, and the value of the first acceleration a1 is calculated through the first calculation formula. At this time, the value of the first acceleration a1 is greater than 0.

[0062] In the second possible situation, when the vehicle is going uphill, the value of the inclination angle θ of the vehicle detected by the inclination detection component 200 in the variable speed prompting device is negative. At this time, if the vehicle is stationary on the uphill road surface, it can be obtained that the value of the first pressure F1 is equal to the absolute value of mg·Sinθ. At this time, if the vehicle speed is increasing, the rolling element 102 has a tendency to move in a direction opposite to the driving direction of the vehicle, so that the value of the first pressure F1 detected by the first pressure sensor 103 is greater than the absolute value of mg·Sinθ. The value of the first acceleration can be calculated through the first calculation formula and is greater than 0. At this time, if the vehicle speed is decreasing, the rolling element 102 has a tendency to move in the same direction as the driving direction of the vehicle, so that the value of the first pressure F1 detected by the first pressure sensor 103 is less than the absolute value of mg·Sinθ. The value of the first acceleration a1 can be calculated through the first calculation formula and is less than 0.

[0063] In the embodiment of the present application, please refer to Figure 5 and Figure 6 , Figure 5 is a schematic structural diagram of another variable speed prompting device provided by the embodiment of the present application, Figure 6 is Figure 5The structural block diagram of the speed change prompting device shown. The pressure detection component 100 in the speed change prompting device may further include: a second pressure sensor 104, and the second pressure sensor 104 may be located on the side of the rolling member 102 away from the first pressure sensor 103. The control component 300 may further be configured to: after detecting the second pressure applied by the rolling member 102 to the second pressure sensor 104 through the second pressure sensor 104 and detecting the inclination angle of the vehicle in the driving direction through the inclination detection component 200. Based on the second pressure applied by the rolling member 102 to the second pressure sensor 104 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200, the first prompter 401 in the prompt component 400 may be controlled to issue a first prompt message, or the second prompter 402 in the prompt component 400 may be controlled to issue a second prompt message. In this case, when the control component 300 is based on the second pressure applied by the rolling member 102 detected by the second pressure sensor 104 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200, if the control component 300 determines that the vehicle speed is decreasing, the first prompter 401 is controlled to issue a first prompt message for indicating that the vehicle speed is decreasing. If the control component 300 determines that the vehicle speed is increasing, the second prompter 402 is controlled to issue a second prompt message for indicating that the vehicle speed is increasing. In this way, the change state of the vehicle speed can be indicated to the vehicles or pedestrians around the vehicle, thereby effectively improving the driving safety performance of the vehicle.

[0064] Optionally, the control component 300 in the speed change prompting device may further be configured to: based on the second pressure applied by the rolling member 102 to the second pressure sensor 104 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200, the second acceleration a2 of the vehicle can be determined. If it is determined that the value of the second acceleration a2 of the vehicle is less than 0, the first prompter 401 in the prompt component 400 may be controlled to issue a first prompt message. If it is determined that the value of the second acceleration a2 of the vehicle is greater than 0, the second prompter 402 in the prompt component 400 may be controlled to issue a second prompt message. In this case, the control component 300 can determine the value of the second acceleration a2 of the vehicle based on the second pressure applied by the rolling member 102 detected by the second pressure sensor 104 and the inclination angle of the vehicle in the driving direction detected by the inclination detection component 200. If the value of the second acceleration a2 is less than 0, the control component 300 controls the first prompter 401 to issue a first prompt message. If the value of the second acceleration a2 is greater than 0, the control component 300 controls the second prompter 402 to issue a second prompt message. In this way, during the driving process of the vehicle, the speed change of the vehicle can be monitored in real time through the speed change prompting device, and the driving safety performance of the vehicle is improved.

[0065] In an embodiment of the present application, the control component 300 in the speed change prompting device may further be configured to: based on the second pressure applied by the rolling member 102 to the second pressure sensor 104 and the inclination angle of the vehicle detected by the inclination detection component 200 in the driving direction, be able to adopt a second calculation formula to determine the second acceleration a2 of the vehicle. The second calculation formula may be:

[0066]

[0067] wherein, F2 may be the value of the second pressure applied by the rolling member to the second pressure sensor, m is the mass of the rolling member, g is the gravitational coefficient, and θ is the value of the inclination angle of the vehicle detected by the inclination detection component in the driving direction.

[0068] It should be noted that the value of the second pressure F2 can be detected by the second pressure sensor 104, the value of the gravitational coefficient g is known, the value of the mass m of the rolling member 102 is known, and the inclination angle θ of the vehicle in the driving direction can be detected by the inclination detection component 200. Thus, through the above calculation formula, the value of the second acceleration a2 of the vehicle can be calculated. Here, for the driving road conditions of the vehicle, the above-mentioned two possible situations are still used as examples for illustrative description:

[0069] The first possible situation is that when the vehicle is driving on a horizontal road surface, the value of the inclination angle of the vehicle detected by the inclination detection component 200 in the speed change prompting device is 0. First of all, it should be noted that at this time, if the vehicle is stationary on a horizontal road surface or driving at a constant speed on a horizontal road surface, the value of the second acceleration a2 is 0. At this time, if the vehicle speed is decreasing, the second pressure sensor 104 detects the value of the second pressure applied by the rolling member 102, and the value of the second acceleration a2 is calculated through the second calculation formula. At this time, the value of the second acceleration a2 is less than 0.

[0070] The second possible situation, please refer to Figure 7 , Figure 7This is another perspective view of the tilt of the variable speed prompting device provided by the embodiments of the present application. When the vehicle is going downhill, the value of the tilt angle θ of the vehicle detected by the tilt detection component 200 in the variable speed prompting device is positive. First, it should be noted that when the vehicle is stationary on a downhill road surface, the value of the second pressure F2 can be obtained as equal to the absolute value of mg·Sinθ. At this time, if the vehicle speed is increasing, the rolling member 102 has a tendency to move in a direction opposite to the driving direction of the vehicle, such that the value of the second pressure F2 detected by the second pressure sensor 104 is less than the absolute value of mg·Sinθ. Through the second calculation formula, the value of the second acceleration a2 can be calculated to be greater than 0. At this time, if the vehicle speed is decreasing, the rolling member 102 has a tendency to move in the same direction as the driving direction of the vehicle, such that the value of the second pressure F2 detected by the second pressure sensor 104 is greater than the absolute value of mg·Sinθ. Through the second calculation formula, the value of the second acceleration a2 can be calculated to be less than 0.

[0071] Optionally, the rolling member 102 in the variable speed prompting device can be a sphere. In this way, the rolling member 102 can freely roll within the box body 101 of the pressure receiving detection component 100.

[0072] In the embodiments of the present application, the tilt detection component 200 in the variable speed prompting device can include an angle sensor. By way of example, the angle sensor can be a gyroscope.

[0073] Optionally, the control component 300 in the variable speed prompting device can include an Electronic Control Unit (ECU).

[0074] In summary, the embodiment of the present application provides a speed change prompt device, including: a pressure detection component, an inclination detection component, a control component, and a prompt component. When the speed change prompt device in the embodiment of the present application is installed on a vehicle, during the driving process of the vehicle, since the rolling member in the pressure detection component can roll in the box body, and the rolling member generates pressure on the first pressure sensor. At the same time, the inclination detection component in the speed change prompt device can detect the inclination angle of the vehicle in the driving direction. Therefore, the control component can control the prompt component to send a prompt message based on the first pressure detected by the first pressure sensor and the inclination angle of the vehicle detected by the inclination detection component in the driving direction. For example, when the vehicle climbs a slope, if the driver does not manually intervene in the vehicle speed, the vehicle speed will decrease at this time. The first pressure sensor can detect the first pressure exerted by the rolling member, and the inclination detection component can detect the inclination angle of the vehicle when climbing the slope. The control component controls the prompt component to send a prompt message indicating that the vehicle is decelerating based on the first pressure and the inclination angle. In this way, the vehicle can perform real-time monitoring and prompting of the vehicle speed state, and can prompt the surrounding vehicles of the vehicle speed change, effectively improving the driving safety performance of the vehicle.

[0075] The embodiment of the present application also provides a control method for a vehicle, which can be, for example, a household ordinary car, an engineering vehicle, or some other special vehicles, etc. The vehicle can include any one of the speed change prompt devices given above. Please refer to Figure 8 , Figure 8 which is a flowchart of a control method for a vehicle provided by the embodiment of the present application. The control method for the vehicle can include:

[0076] Step S1: Detect the first pressure exerted by the rolling member through the first pressure sensor;

[0077] Step S2: Detect the inclination angle of the vehicle in the driving direction through the inclination detection component;

[0078] Step S3: Control the prompt component to send a prompt message based on the value of the first pressure and the value of the inclination angle.

[0079] In the embodiment of the present application, the speed change prompt device in the vehicle detects the first pressure exerted by the rolling member on the first pressure sensor through the first pressure sensor in the pressure detection component. The speed change prompt device in the vehicle detects the inclination angle of the vehicle in the driving direction through the inclination detection component. The control component in the speed change prompt device controls the prompt component to send a prompt message based on the value of the first pressure detected by the first pressure sensor and the inclination angle of the vehicle detected by the inclination detection component in the driving direction.

[0080] In summary, the embodiment of the present application provides a vehicle control method. When the gearshift prompt device in the embodiment of the present application is installed on a vehicle, during the driving process of the vehicle, since the rolling member in the pressure detection assembly can roll in the box body, and the rolling member exerts pressure on the first pressure sensor. At the same time, the tilt detection assembly in the gearshift prompt device can detect the tilt angle of the vehicle in the driving direction. Therefore, the control assembly can control the prompt assembly to issue a prompt message based on the first pressure exerted by the rolling member detected by the first pressure sensor and the tilt angle of the vehicle in the driving direction detected by the tilt detection assembly. For example, when the vehicle is climbing a slope, if the driver does not manually intervene in the vehicle speed, the vehicle speed will decrease at this time. The first pressure sensor can detect the first pressure exerted by the rolling member, and the tilt detection assembly can detect the tilt angle of the vehicle when climbing the slope. The control assembly controls the prompt assembly to issue a prompt message for the vehicle to decelerate based on the first pressure and the tilt angle. In this way, the vehicle can monitor and prompt the state of the vehicle speed in real time, and can prompt the surrounding vehicles of the vehicle speed change, effectively improving the driving safety performance of the vehicle.

[0081] Optionally, Figure 9 is a flowchart of another vehicle control method provided by the embodiment of the present application. Before the above step S1, the vehicle control method may further include:

[0082] Step S4: When the vehicle is driving normally, detect whether the vehicle receives a braking signal or an acceleration signal.

[0083] In the embodiment of the present application, when the vehicle is driving normally, the vehicle control unit (VCU for short) in the vehicle can detect whether the vehicle receives a braking signal or an acceleration signal. For example, if it is detected that the vehicle receives a braking signal, the VCU can control the brake lights to light up, or if it is detected that the vehicle receives an acceleration signal, the VCU can give an acceleration prompt; if the VCU detects that the vehicle does not receive a braking signal or an acceleration signal, step S5 is executed. It should be noted that the braking signal is the signal emitted by the vehicle when the driver steps on the vehicle brake pedal, and the acceleration signal is the signal emitted by the vehicle when the driver steps on the accelerator pedal.

[0084] Step S5: If it is detected that the vehicle does not receive a braking signal and does not receive an acceleration signal, perform the operation of detecting the first pressure exerted by the rolling member.

[0085] In an embodiment of the present application, when the vehicle is traveling normally, if the VCU detects that the vehicle has not received a braking signal or an acceleration signal, the gearshift prompting device in the vehicle detects the first pressure applied by the rolling member to the first pressure sensor through the first pressure sensor in the pressure detection assembly. The gearshift prompting device in the vehicle detects the inclination angle of the vehicle in the traveling direction through the inclination detection assembly. The control assembly in the prompting device controls the prompting assembly to issue a prompt message based on the value of the first pressure detected by the first pressure sensor and the inclination angle of the vehicle in the traveling direction detected by the inclination detection assembly.

[0086] It should be noted that for the details not disclosed in the method embodiment of the present disclosure, please refer to the embodiment of the gearshift prompting device of the present disclosure.

[0087] In summary, the embodiment of the present application provides a vehicle control method. When the gearshift prompting device in the embodiment of the present application is installed on a vehicle, during the vehicle's driving process, since the rolling member in the pressure detection assembly can roll in the box body and the rolling member generates pressure on the first pressure sensor. At the same time, the inclination detection assembly in the gearshift prompting device can detect the inclination angle of the vehicle in the traveling direction. Therefore, the control assembly can control the prompting assembly to issue a prompt message based on the first pressure applied by the rolling member detected by the first pressure sensor and the inclination angle of the vehicle in the traveling direction detected by the inclination detection assembly. For example, when the vehicle is climbing a slope, if the driver does not artificially intervene in the vehicle speed, the vehicle speed will decrease at this time. The first pressure sensor can detect the first pressure applied by the rolling member, and the inclination detection assembly can detect the inclination angle of the vehicle when climbing the slope. The control assembly controls the prompting assembly to issue a prompt message for the vehicle to decelerate based on the first pressure and the inclination angle. In this way, the vehicle can perform real-time monitoring and prompting of the vehicle speed state, and can prompt the surrounding vehicles of the vehicle speed change, effectively improving the driving safety performance of the vehicle.

[0088] Those skilled in the art can clearly understand that for the convenience and simplicity of description, the principle of the vehicle control method described above can refer to the corresponding part in the embodiment of the structure of the gearshift prompting device in the vehicle described above, and will not be elaborated here.

[0089] In the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. The term "plurality" means two or more, unless otherwise clearly defined.

[0090] The above are only optional embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A variable speed prompting device, characterized in that, The variable-speed prompting device is installed on a vehicle. The variable-speed prompting device includes: a pressure detection component, an inclination detection component, a control component, and a prompting component; The pressure detection component includes: a box body, a rolling member, and a first pressure sensor located inside the box body. The rolling member can roll inside the box body, and the rolling member is closer to the front of the vehicle relative to the pressure detection component; The prompting component includes: a first prompter and a second prompter, and both the first prompter and the second prompter are signal indicators; The control component is electrically connected to the first pressure sensor, the inclination detection component, and the prompting component respectively. The control component is configured to: after detecting a first pressure exerted by the rolling member through the first pressure sensor and detecting an inclination angle of the vehicle in the driving direction through the inclination detection component, based on the first pressure and the inclination angle, control the first prompter to emit a first prompt message for indicating a decrease in the vehicle speed, or control the second prompter to emit a second prompt message for indicating an increase in the vehicle speed, so as to prompt the surrounding vehicles of the vehicle speed change, enabling the surrounding vehicles to adjust their driving behaviors through different prompt messages; the first prompt message is a red signal indicator displayed by the first prompter, and the second prompt message is a green signal indicator displayed by the second prompter; The vehicle's integrated vehicle controller is configured to: when the vehicle is driving normally, detect whether the vehicle receives a braking signal or an acceleration signal; if the vehicle does not receive the braking signal and does not receive the acceleration signal, perform the operation of detecting the first pressure exerted by the rolling member; the braking signal is the signal emitted by the vehicle when the driver steps on the vehicle's brake pedal, and the acceleration signal is the signal emitted by the vehicle when the driver steps on the vehicle's accelerator pedal.

2. The variable-speed prompting device according to claim 1, wherein The prompting component includes: a first prompter and a second prompter; The control component is configured to: based on the first pressure and the inclination angle, control the first prompter to emit a first prompt message for indicating a decrease in the vehicle speed, or control the second prompter to emit a second prompt message for indicating an increase in the vehicle speed.

3. The variable-speed prompting device according to claim 2, wherein The control component is configured to: based on the first pressure and the inclination angle, determine a first acceleration of the vehicle; If it is determined that the first acceleration is less than 0, control the first prompter to emit the first prompt message; If it is determined that the first acceleration is greater than 0, control the second prompter to emit the second prompt message.

4. The variable-speed prompting device according to claim 3, wherein The control component is configured to: based on the first pressure and the inclination angle, use a first calculation formula to determine the first acceleration of the vehicle; the first calculation formula is: Wherein, a1 is the first acceleration; F1 is the value of the first pressure; m is the mass of the rolling element; g is the gravity coefficient; and θ is the value of the inclination angle.

5. The speed change reminder device according to claim 2, characterized in that: The pressure detection assembly comprises: a second pressure sensor, the second pressure sensor being located at a side of the rolling element away from the first pressure sensor; The control component is also configured to: after detecting the second pressure applied by the rolling element through the second pressure sensor and detecting the inclination angle of the vehicle in the driving direction through the inclination detection component, control the first prompter to issue the first prompt information based on the second pressure and the inclination angle, or control the second prompter to issue the second prompt information.

6. The speed change reminder device according to claim 5, characterized in that: The control component is further configured to: determine a second acceleration of the vehicle based on the second pressure and the tilt angle; If it is determined that the second acceleration is less than 0, controlling the first prompter to issue the first prompt information; If it is determined that the second acceleration is greater than 0, the second prompter is controlled to issue the second prompt information.

7. The speed change reminder device according to claim 6, characterized in that: The control component is further configured to determine a second acceleration of the vehicle using a second calculation formula based on the second pressure and the tilt angle; the second calculation formula is: Among them, a2 is the second acceleration; F2 is the value of the second pressure; m is the mass of the rolling element; g is the gravity coefficient; and θ is the value of the inclination angle.

8. The variable speed prompting device according to any one of claims 1 to 7, characterized in that The rolling element is a sphere.

9. A control method for a vehicle, characterized in that, The vehicle comprises the speed change reminder device according to any one of claims 1 to 8, and the method comprises: detecting a first pressure applied by the rolling element by means of the first pressure sensor; Detecting the tilt angle of the vehicle in the driving direction by the tilt detection component; Based on the first pressure and the tilt angle, the prompt component is controlled to issue a prompt message.

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