CN209037391U - An anti-accidental accelerator system and a vehicle provided with the system - Google Patents

Abstract

The utility model provides a kind of accelerator stepping misoperation preventing system and the vehicle equipped with the system, and accelerator stepping misoperation preventing system includes controller and first pressure sensor, braking system and the first pressure sensor connection of the controller and vehicle；The first pressure sensor is arranged in gas pedal, for detecting dynamics information that driver's foot is stepped on the gas and being sent to controller；The controller is also connected with detection device of overtaking other vehicles, for judging whether vehicle is in the state of overtaking other vehicles according to detection device of overtaking other vehicles.Detection device of overtaking other vehicles is set in accelerator stepping misoperation preventing system, and when vehicle, which is in, overtakes other vehicles state, even if the dynamics that driver steps on the gas is excessive, for vehicle also without braking, the accuracy for being intended to judge so that raising drives to driver improves the security performance of vehicle.

Description

An anti-accidental accelerator system and a vehicle provided with the system

technical field

The utility model belongs to the technical field of vehicle safety control, in particular to an anti-accidental accelerator system and a vehicle provided with the system.

Background technique

With the development of social economy and the continuous improvement of people's living standards, automobiles have become an indispensable means of transportation in people's daily life. However, with the increase of the number of cars, the safety issue has also been paid more and more attention by people.

When the vehicle is driving, if there is an obstacle in front of it, it needs to avoid or stop in time. In the prior art, a detection device is usually installed in front of the vehicle, and when an obstacle is detected in front of the vehicle, an alarm message is issued in time to prompt the driver to take avoidance measures.

In the design of the vehicle, the position of the accelerator pedal and the brake pedal is very close. Since the driver is in a tense state, his foot is always on the accelerator. When the driver hits the brake pedal to brake after encountering an obstacle, the Mistaking the accelerator pedal for the brake pedal can cause a safety accident. Aiming at this problem, the technical solution adopted in the prior art is to judge whether the driver steps on the accelerator by mistake according to the motion speed of the accelerator.

However, when the vehicle is driving, if there is an obstacle or vehicle ahead, the driver may avoid the obstacle or overtake. If the vehicle brakes, it will bring a poor driving experience to the driver; In a large and fast-speed area, it is likely to cause a rear-end collision and other safety accidents after the vehicle brakes.

Utility model content

The purpose of the present invention is to provide an anti-accidental accelerator system, which is used to solve the problem of poor vehicle safety caused by the vehicle braking when the driver mistakenly steps on the accelerator in the prior art; Provided is a vehicle provided with an anti-acceleration accelerator system, so as to improve the safety performance of the vehicle.

For achieving the above object, the technical scheme that the utility model provides is:

A vehicle provided with an anti-accidental accelerator system, including an accelerator pedal and an anti-accelerator system; the anti-accelerator system includes a controller and a first pressure sensor, and the controller is connected to the vehicle's braking system and the first pressure sensor. A pressure sensor is connected; the first pressure sensor is arranged on the accelerator pedal, and is used to detect the force information of the driver's foot on the accelerator and send it to the controller;

The controller is also connected with an overtaking detection device for judging whether the vehicle is in an overtaking state according to the overtaking detection device.

As a further improvement to the anti-accidental accelerator system, in order to improve the accuracy of detecting the driving state of the driver, the controller is also connected with a second pressure sensor, which is arranged on the steering wheel of the vehicle and used to detect driving The strength of the driver's hand on the steering wheel.

As a further improvement to the anti-accidental accelerator system, in order to improve the detection accuracy of the driver's driving state, the controller is also connected with a heart rate detection device, which is used to detect the driver's heart rate.

As a further improvement to the heart rate detection device, in order to improve the accuracy of the heart rate detection of the driver, the heart rate detection device is used to be arranged on the driver's wrist.

As a further improvement of the connection mode between the heart rate detection device and the controller, in order to ensure the reliability of the connection between the two, the heart rate detection device and the controller are connected through Bluetooth communication.

As a further improvement of the anti-accidental accelerator system, in order to improve the accuracy of the detection of the driving state of the vehicle, a ranging sensor is arranged in front of the vehicle. The ranging sensor includes a transmitting part and a receiving part, which are used to detect the distance between the measurement and the obstacle. the distance; the controller is connected with the transmitting part and the receiving part of the ranging sensor.

As a further improvement to the anti-accidental accelerator system, in order to brake the vehicle and improve the safety of the vehicle, the anti-accidental accelerator system also includes an electromagnet, which is arranged at the bottom of the brake pedal and used to generate a driving brake. The magnetic force that moves the pedal; the controller is connected to the control part of the electromagnet.

An anti-accident accelerator system, comprising a controller and a first pressure sensor; the controller is connected with the first pressure sensor, and is provided with an interface for connecting to a vehicle braking system; the first pressure sensor is used for setting in On the accelerator pedal, it is used to detect the force information of the driver's foot on the accelerator and send it to the controller;

The controller is also connected with an overtaking detection device for judging whether the vehicle is in an overtaking state according to the overtaking detection device.

As a further improvement to the anti-accidental accelerator system, the controller is also connected with a second pressure sensor, which is arranged on the steering wheel of the vehicle to detect the strength of the driver's hand on the steering wheel.

As a further improvement to the anti-accidental accelerator system, the controller is also connected with a heart rate detection device, which is used to detect the driver's heart rate.

As a further improvement to the heart rate detection device, the heart rate detection device is used to be arranged on the driver's wrist.

As a further improvement to the connection between the heart rate detection device and the controller, the heart rate detection device and the controller are connected through Bluetooth communication.

As a further improvement to the anti-accidental accelerator system, the controller is also connected with a ranging sensor; the ranging sensor includes a transmitting part and a receiving part, which are arranged in front of the vehicle and detect the distance between the vehicle and the obstacle. distance.

As a further improvement to the anti-accidental accelerator system, the anti-accidental accelerator system also includes an electromagnet, which is arranged at the bottom of the brake pedal to generate a magnetic force that drives the action of the brake pedal; the controller is connected to the electromagnet Control section.

The technical effect of the technical solution provided by the utility model is as follows: an overtaking detection device is provided in the anti-accidental accelerator pedal system. When the vehicle is in an overtaking state, even if the driver presses the accelerator too hard, the vehicle does not brake, thereby improving the performance of the vehicle. The accuracy of judging the driver's driving intention can improve the safety performance of the vehicle.

Description of drawings

Fig. 1 is the structural principle diagram of the emergency braking system in the vehicle embodiment of the present utility model;

Fig. 2 is the principle diagram of the engagement of the brake pedal and the electromagnet in the vehicle embodiment of the present utility model;

3 is a schematic diagram of the brake pedal returning to its original position in the vehicle embodiment of the present invention;

4 is a schematic structural diagram of the first pressure sensor disposed on the accelerator pedal in the embodiment of the vehicle of the present invention;

Fig. 5 is the connection relation diagram between the controller and the electromagnet in the vehicle embodiment of the present utility model;

6 is a top view of an overtaking detection device in an embodiment of a vehicle of the present invention;

7 is a front view of an overtaking detection device in an embodiment of a vehicle of the present invention;

Fig. 8 is the control logic diagram of the controller in the vehicle embodiment of the present invention;

In the figure: 1 is the accelerator and brake bracket, 2 is the meshing plate, 3 is the electromagnet, 4 is the electromagnet base, 5 is the accelerator pedal, 6 is the brake pedal, 7 is the first pressure sensor, and 8 is the steering gear dial Rod, 9 is a contact paddle bracket, 101 is a first contact paddle, 102 is a second contact paddle, 11 is a connecting rod, and 12 is a contact rod.

Detailed ways

The purpose of the present invention is to provide an anti-accidental accelerator system, which is used to solve the problem of poor vehicle safety caused by the vehicle braking when the driver mistakenly steps on the accelerator in the prior art; Provided is a vehicle provided with an anti-acceleration accelerator system, so as to improve the safety performance of the vehicle.

For achieving the above object, the technical scheme that the utility model provides is:

A vehicle provided with an anti-accidental accelerator system, including an accelerator pedal and an anti-accelerator system; the anti-accelerator system includes a controller and a first pressure sensor, and the controller is connected to the vehicle's braking system and the first pressure sensor. A pressure sensor is connected; the first pressure sensor is arranged on the accelerator pedal, and is used to detect the force information of the driver's foot on the accelerator and send it to the controller;

The controller is also connected with an overtaking detection device for judging whether the vehicle is in an overtaking state according to the overtaking detection device.

The technical solutions of the present utility model will be further described below in conjunction with specific embodiments.

Vehicle Example:

This embodiment provides a vehicle with an anti-accidental accelerator system, which is used to solve the problem of poor vehicle safety caused by the vehicle braking when the driver accidentally depresses the accelerator in the prior art

The vehicle provided with the accelerator pedal prevention system provided by this embodiment includes a brake pedal, an accelerator pedal, and an accelerator pedal prevention system.

The structure principle of the anti-accidental accelerator system is shown in Figure 1, including a controller, an overtaking detection device, a first pressure sensor, a second pressure sensor, a ranging sensor, a heart rate detection device and an electromagnet.

The controller is connected to the control part of the electromagnet, as shown in Figure 2, in the figure 1 is the bracket for the accelerator and brake, 2 is the meshing plate, 3 is the electromagnet, 4 is the electromagnet base, and the electromagnet base 4 is the electromagnet 3 Provide support; the electromagnet 3 is arranged under the brake pedal 6 to generate the electromagnetic force that drives the action of the brake pedal 6; when the electromagnet 3 is energized, the brake pedal 6 is engaged with the engaging plate 2, as shown in Figure 2 state; when the electromagnet 3 loses power, the brake pedal 6 returns to its original position, as shown in FIG. 3 .

The ranging sensor is arranged in front of the vehicle, and includes a transmitting part and a receiving part, the transmitting part is used to send out detection signals, and the receiving part is used to receive the reflection information of obstacles. The controller is connected with the transmitting part and the receiving part of the ranging sensor, and judges the distance between the vehicle and the obstacle ahead according to the signal sent by the transmitting part and the signal received by the receiving part, and combined with the current speed, acceleration and overtaking of the vehicle, Determine whether the distance between the vehicle and the vehicle ahead is greater than the safe distance, that is, whether there is a risk of collision with an obstacle.

The controller is connected with the first pressure sensor 7 and the second pressure sensor, and the second pressure sensor is arranged on the steering wheel of the vehicle to detect the strength of the driver's hand on the steering wheel; the first pressure sensor 7 is arranged on the accelerator pedal for Detect the strength of the driver's foot on the accelerator, as shown in Figure 4. When the vehicle is running normally, the strength of the driver's hand on the steering wheel and the strength of the accelerator pedal are both within the corresponding setting range; in the absence of overtaking, when the vehicle encounters an emergency, if the driver mistakenly presses the accelerator pedal As the brake pedal, the strength of the steering wheel and the strength of the accelerator pedal are beyond the corresponding setting range; therefore, according to the strength of the driver's foot on the accelerator and the strength of the steering wheel, it can be judged whether the driver encounters an emergency .

The heart rate detection device in this embodiment is a heart rate detection device arranged at the driver's wrist, and is connected to the controller through Bluetooth communication to detect the driver's heart rate signal and transmit it to the controller; in the case of no overtaking , when the driver drives the vehicle normally, his heart rate is within the corresponding set range; when it is detected that the driver's heart rate exceeds the set range, it can be judged that the driver encounters an emergency and the heart rate changes too fast.

The setting range of the driver's hand holding the steering wheel, the setting range of the accelerator pedal and the setting range of the heart rate are all obtained through statistical analysis. Taking the setting range of the driver's heart rate as an example: The heart rate is detected for a set number of times, and the average value of the detection results is obtained, and the set range of the driver's heart rate is obtained according to the average value; when the driver changes, or when the driver's environment changes, the driver The heart rate setting range is recalibrated.

The connection relationship between the controller and the electromagnet is shown in Figure 5. The contact part of the relay is provided on the power supply line of the electromagnet, and the controller is connected to the coil part of the relay.

In this embodiment, the overtaking detection device is a contact paddle arranged at the bottom of the steering gear of the vehicle. The top view is shown in Figure 6 and the front view is shown in Figure 7, wherein 8 is the steering gear lever, 9 is the contact paddle bracket, 101 is a first contact paddle, 102 is a second contact paddle, 11 is a connecting rod, and 12 is a contact rod. The contact rod 12 is connected with the steering gear lever 8 through the connecting rod. When the steering gear lever 8 moves left and right, the contact rod 12 is driven to move left and right through the connecting rod 11; the shape of the contact paddle bracket 9 is a rectangle with a gap on one side. The width of the notch is greater than the length of the contact rod 12 , the first contact paddle 101 and the second contact paddle 102 are respectively fixed on two cut surfaces of the notch, and the contact rod 12 is arranged in the notch. When the vehicle turns to the left, the driver toggles the steering gear lever 8, which drives the contact lever 12 to move to one side and can contact the first contact paddle 101; when the vehicle turns to the right, the driver toggles the steering gear lever When the rod 8 drives the contact rod 12 to move to the other side, it can contact the second contact paddle 102 .

A third pressure sensor is arranged on the first contact paddle 101, and a fourth pressure sensor is arranged on the second contact paddle 102. The controller is connected with the third pressure sensor and the fourth pressure sensor. When the contact rod 12 touches the When the first contact paddle 101, the third pressure sensor detects the corresponding pressure signal and sends it to the controller; when the contact rod 12 contacts the second contact paddle 102, the fourth pressure sensor detects the corresponding pressure signal and sends it to the controller; the controller judges whether the vehicle is turning and in what direction according to the signals received from the third pressure sensor and the fourth pressure sensor; when it is judged that the vehicle is turning left, it is judged that the vehicle is overtaking.

When the controller judges that the vehicle has a risk of colliding with an obstacle according to the information detected by the ranging sensor, or judges that the driver encounters an emergency according to the information detected by the first pressure sensor 7 and the second pressure sensor, or according to The information detected by the heart rate detection device determines that when the driver encounters an emergency, the overtaking detection device is used to determine whether the vehicle is in an overtaking state; if the vehicle is not in an overtaking state, the contact part of the relay's coil part controller is closed to make The electromagnet is energized to generate the electromagnetic force that drives the brake pedal 6; after the brake pedal 6 is actuated, the electronic throttle valve is adjusted according to the action of the brake pedal, and then the amount of oil in and out is adjusted to realize emergency braking of the vehicle, as shown in the figure 8 shown.

As another embodiment, the overtaking device may be a device for detecting the signal of the turn signal of the vehicle. The controller collects the control signal of the turn signal of the vehicle, and judges whether the vehicle turns left according to the turn signal of the vehicle. If the vehicle turns left, it is determined that the vehicle is in Overtaking state.

As other implementations, the ranging sensor may use a spatial ranging sensor. The spatial ranging sensor is not only used to detect the distance between the vehicle and the obstacle in front, but also to detect the smoothness of the road ahead, and to determine the difference between the road ahead and the chassis of the vehicle. Whether the distance between them is smaller than the set distance threshold, if it is smaller, it is determined that the vehicle will bump into the chassis if it continues to drive.

In this embodiment, the braking of the vehicle is divided into one-stage semi-braking, two-stage semi-braking and full braking, and the current provided to the electromagnet is different in each braking state. The current supplied to the electromagnet is I1, the energization time is t1, the current supplied to the electromagnet is I2 when the vehicle is semi-braking in two stages, the energization time is t2, and the current supplied to the electromagnet when the vehicle is fully braked is I , where I>I2>I1, and t1<t2. The controller produces different results according to whether the driver's heart rate is within the normal range, whether the driver's strength on the steering wheel and the accelerator pedal is within the corresponding normal range, and whether the distance between the vehicle and the vehicle in front is greater than the safe distance. The judgment results are shown in Table 1 in detail.

Table 1

In order to facilitate the braking control of the vehicle, when the vehicle performs five consecutive first-level semi-braking, the vehicle automatically rises to two-level semi-braking, and when the vehicle performs five consecutive two-level semi-braking, the vehicle automatically rises to full braking. At the same time, a voice prompts the driver to pay attention to safe driving.

System example:

This embodiment provides an anti-accidental accelerator system, which is the same as the anti-accidental accelerator system in the above-mentioned vehicle embodiments. The system has been described in detail in the above-mentioned vehicle embodiments, and will not be described here.

Claims (14)

1. A vehicle provided with an anti-accidental accelerator system, comprising an accelerator pedal and an anti-accelerator system; the anti-accelerator system comprises a controller and a first pressure sensor, the controller and the vehicle's braking system is connected with a first pressure sensor; the first pressure sensor is arranged on the accelerator pedal and is used to detect the force information of the driver's foot on the accelerator and send it to the controller; It is characterized in that, the controller is further connected with an overtaking detection device, which is used for judging whether the vehicle is in an overtaking state according to the overtaking detection device. 2. The vehicle provided with an anti-accidental accelerator system according to claim 1, wherein the controller is further connected with a second pressure sensor, and the second pressure sensor is arranged on the steering wheel of the vehicle for detecting driving The strength of the driver's hand on the steering wheel. 3 . The vehicle provided with the accelerator pedal prevention system according to claim 1 , wherein the controller is further connected with a heart rate detection device, and the heart rate detection device is used to detect the driver's heart rate. 4 . 4 . The vehicle equipped with an anti-accidental accelerator system according to claim 3 , wherein the heart rate detection device is configured to be arranged on the driver's wrist. 5 . 5 . The vehicle equipped with an anti-accidental accelerator pedal system according to claim 3 , wherein the heart rate detection device and the controller are connected through Bluetooth communication. 6 . 6. The vehicle with an anti-accidental accelerator system according to claim 1, wherein a distance measuring sensor is provided in front of the vehicle, and the distance measuring sensor comprises a transmitting part and a receiving part, which are used to detect the difference between the measurement and the obstacle. The controller is connected with the transmitting part and the receiving part of the ranging sensor. 7. The vehicle provided with an anti-accidental accelerator system according to any one of claims 1-6, wherein the anti-accidental accelerator system further comprises an electromagnet, and the electromagnet is arranged at the bottom of the brake pedal for The magnetic force that drives the action of the brake pedal is generated; the controller is connected to the control part of the electromagnet. 8. An anti-accidental accelerator system, comprising a controller and a first pressure sensor; the controller is connected with the first pressure sensor, and is provided with an interface for connecting to a vehicle braking system; the first pressure sensor is used for Set on the accelerator pedal to detect the force information of the driver's foot on the accelerator and send it to the controller; It is characterized in that, the controller is further connected with an overtaking detection device, which is used for judging whether the vehicle is in an overtaking state according to the overtaking detection device. 9 . The anti-accidental accelerator system according to claim 8 , wherein the controller is further connected with a second pressure sensor, and the second pressure sensor is used to be arranged on the steering wheel of the vehicle to detect that the driver is holding the steering wheel. 10 . strength. 10 . The anti-accidental accelerator system according to claim 8 , wherein the controller is further connected with a heart rate detection device, and the heart rate detection device is used to detect the driver's heart rate. 11 . 11 . The anti-accidental accelerator system according to claim 10 , wherein the heart rate detection device is configured to be arranged on the driver's wrist. 12 . 12 . The anti-accidental accelerator system according to claim 10 , wherein the heart rate detection device and the controller are connected through Bluetooth communication. 13 . 13. The anti-accidental accelerator system according to claim 8, wherein the controller is further connected with a ranging sensor; the ranging sensor comprises a transmitting part and a receiving part, and is used for being arranged in front of the vehicle, Detect the distance between the vehicle and the obstacle. 14. The anti-accidental accelerator system according to any one of claims 8-13, wherein the anti-accidental accelerator system further comprises an electromagnet, the electromagnet is used to be arranged at the bottom of the brake pedal to generate a driving brake The magnetic force of the pedal action; the controller is connected to the control part of the electromagnet.