CN111516629A - Automobile high-altitude falling emergency system and emergency method thereof - Google Patents

Abstract

The invention discloses an emergency system for falling from a height of a vehicle, comprising a power supply, a parachute ejection system, a monitoring system and a control system; the power supply, the parachute ejection system and the monitoring system are connected with the control system through a circuit, and the monitoring system will collect The received real-time signal is transmitted to the control system. When the control system judges that the car has fallen from a height, the parachute ejection system is activated according to the attitude of the car in the air. The invention also discloses an emergency method of the emergency system. The coordination of the system and the control system enables the emergency device and emergency control method to be activated after the car rushes out of the mountain road. After the parachute is fully opened, the resistance provided is greater than the gravity of the car, so that the car decelerates in the air and descends to a state of uniform descent. In addition, when the car touches the ground, the cutter cuts off the parachute sling to separate the parachute and the car, so as to avoid the car tumbling caused by the parachute towing the car and causing secondary injury to the occupants in the car.

Description

A kind of emergency system and emergency method for automobile falling from height

technical field

The invention relates to an emergency system and an emergency method for a vehicle falling from a height, belonging to the field of vehicle safety survival.

Background technique

Due to the slippery road caused by natural weather or the driver's own reasons, the accident of cars crashing out of mountain roads or bridges and causing car crashes often occurs. Many people in the car fell with the car and suffered misfortune. Even if some people did not die on the spot, they basically lost their ability to move, and they could not call for help in time and missed effective rescue.

SUMMARY OF THE INVENTION

In order to solve the defect of the lack of a life-saving emergency device when the vehicle rushes out of the road and falls from a height in the prior art, an emergency system and an emergency method for a vehicle falling from a height are provided, which can increase the chances of surviving the occupants of the vehicle after the vehicle rushes out of the mountain road. probability.

An emergency system for a vehicle falling from a height, including a power supply, a parachute ejection system, a monitoring system, and a control system; the power supply, the parachute ejection system, and the monitoring system are connected with a control system through a circuit, and the monitoring system will collect real-time signals It is transmitted to the control system. When the control system judges that the car has fallen from a height, it will start the parachute ejection system according to the attitude of the car in the air. The emergency system method provided by the present invention is especially suitable for the situation in which the automobile has an accident on a high-risk road section such as a mountain road, rushes out of the predetermined route and falls in the air.

Further, the parachute ejection system mainly includes a parachute cabin welded on the car body, and the parachute cabin is equipped with a parachute cabin motor, a parachute rope, a main parachute, a guiding parachute, a parachute rope sling, a steel ring, a fixed support hinge, and a catapult. device, steel ball with holes, bluetooth signal receiving device and umbrella cabin controller;

Preferably, the parachute compartment includes a first parachute compartment in the center of the vehicle frame and a second parachute compartment at the top of the vehicle body; the first parachute compartment is welded in the center of the vehicle frame, and the bottom surface of the parachute compartment is welded and combined with the surface of the vehicle frame, without changing the original frame of the vehicle. Some structures; the bottom surface of the second parachute compartment is welded and combined with the top surface of the vehicle body, and the original structure of the vehicle body is not changed.

The motor of the parachute cabin is arranged in the parachute cabin; the steel ball with holes, the guiding parachute and the main parachute are connected by the parachute rope in turn; the steel ring is arranged inside the parachute cabin, and is connected with the cabin of the parachute cabin through the fixed bearing hinge The parachute sling combines the car and the parachute rope of the main parachute through the steel ring; the steel ball with holes is placed on the catapult; the catapult is installed at the hatch close to the parachute cabin; the The Bluetooth signal receiving device and the parachute controller are integrated inside the parachute.

A cutter is arranged on the sling of the umbrella cabin.

Further, the monitoring system includes an acceleration sensor, a gyroscope sensor and an ultrasonic sensor; the acceleration sensor and the gyroscope sensor are installed in the car, and the ultrasonic sensor is installed on the car body.

Further, the ultrasonic sensor includes a first ultrasonic sensor and a second ultrasonic sensor, the first ultrasonic sensor is installed on the chassis of the vehicle; the second ultrasonic sensor is installed on the frame on the top of the vehicle body. When the car is running normally, only the first ultrasonic sensor installed on the frame works. The second ultrasonic sensor does not start. When the first parachute cabin is started, the first ultrasonic sensor stops working and controls the second ultrasonic sensor to start working. On the contrary, when the second parachute cabin starts, the first ultrasonic sensor continues to work, and the second ultrasonic sensor continues to work. Not working.

A control chip and a Bluetooth signal transmitting device; the control chip and the Bluetooth signal transmitting device are all installed in the car; the acceleration sensor, the three-axis gyroscope sensor, the first ultrasonic sensor, the second ultrasonic sensor and the Bluetooth signal transmitting device pass through wires They are connected in parallel on the control chip respectively.

The above-mentioned emergency control method of the emergency system for a vehicle falling from a height includes the following steps:

S1. When the control chip determines that the car falls from a height according to the real-time signal, the control chip determines the attitude of the car in the air according to the signal of the three-axis gyro sensor, and activates the first parachute cabin or the second parachute cabin through the Bluetooth signal transmitter;

S2. The Bluetooth signal receiving device transmits the signal to the parachute compartment controller in the parachute compartment. The parachute compartment controller first controls the parachute compartment motor to work, the motor rotates forward, the parachute compartment cover is opened, the catapult works, and the steel ball with holes Eject the parachute compartment;

S3. The ejected steel ball provides power for the guiding parachute, the guiding parachute is pulled out of the parachute compartment, the guiding parachute opens to provide power for the main parachute, and the main parachute opens to provide resistance for the falling car;

S4. If the second umbrella cabin is activated, when the control chip measures the distance between the car and the ground < 1m during the process of receiving the real-time working signal of the first ultrasonic sensor, the control chip sends a signal to cut off the umbrella rope sling through the Bluetooth signal transmitter. The command signal is sent to the bluetooth signal receiving device in the parachute compartment, the bluetooth signal receiving device transmits the command signal of the control chip to the parachute compartment controller, and the parachute compartment controller controls the cutter to cut off the parachute sling and separate the car and the parachute.

If the first parachute cabin is activated, when the control chip measures the distance between the car and the ground <1m during the process of receiving the real-time working signal of the second ultrasonic sensor, the control chip sends a command signal to cut off the parachute sling through the Bluetooth signal transmitter. To the bluetooth signal receiving device in the parachute compartment, the bluetooth signal receiving device transmits the command signal of the control chip to the parachute compartment controller, and the parachute compartment controller controls the cutter to cut the parachute rope sling and separate the car and the parachute.

When the above two states are not met, the real-time ultrasonic sensor continues to work, collects signals and makes judgments.

The real-time signal includes ultrasonic sensor signal, acceleration sensor signal and three-axis gyro sensor signal, when the ultrasonic sensor signal exceeds a predetermined value and the acceleration sensor signal a _y satisfies 9.8m/s ² , then the control chip determines that the car rushes out of the road . , a drop occurs.

The three-axis gyroscope signal includes the angle that the car turns in the three-dimensional direction in the air. The control chip can judge the real-time attitude of the car in the air through the three-axis gyroscope signal, and then select the umbrella cabin closest to the vertical upward direction for ejection. When the umbrella cabin welded on the top of the body is activated, the ultrasonic sensor installed on the frame continues to work; when the umbrella cabin welded in the center of the frame is activated, the control chip controls the ultrasonic sensor installed on the top of the body to work, and controls the vehicle at the same time. The ultrasonic sensor on the rack stopped working.

Beneficial effects: The present invention enables the emergency device and the emergency control method to be activated after the vehicle rushes out of the road and falls through the coordination of the parachute ejection system, the monitoring system and the control system. After the parachute is fully opened, the resistance provided is greater than the gravity of the car, so that the car decelerates in the air and descends to a state of uniform descent. In addition, when the car touches the ground, the cutter cuts off the parachute sling to separate the parachute and the car, so as to avoid the car tumbling caused by the parachute towing the car and causing secondary injury to the occupants in the car.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

In the attached image:

Figure 1 is a schematic structural diagram of a parachute ejection system;

Figure 2 is an enlarged view of the partial structure of the parachute ejection system;

Figure 3 is a schematic diagram of a part of the structure when the main umbrella is opened;

Figure 4 is a diagram of the welding position of the parachute compartment on the top of the vehicle body;

Figure 5 is a diagram of the welding position of the parachute compartment in the middle of the frame;

Figure 6 is a schematic diagram of the internal device of the sealed box;

Fig. 7 is a working flow chart of the parachute ejection system of the emergency device for a car rushing out of the mountain road;

Among them, 1- parachute cabin, 101- first parachute cabin, 102- second parachute cabin, 2- umbrella cabin motor, 3- parachute rope, 4- main parachute, 5- guide parachute, 6- parachute rope sling 7- Steel ring, 8-fixed base hinge, 9-cutter, 10-catapult, 11-steel ball with holes, 12-bluetooth signal receiving device, 13-umbrella cabin controller, 16-first ultrasonic sensor, 17 -Second ultrasonic sensor.

Detailed ways

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

Example

An emergency system for a vehicle falling from a height, including a power supply, a parachute ejection system, a monitoring system, and a control system; the power supply, the parachute ejection system, and the monitoring system are connected with a control system through a circuit, and the monitoring system will collect real-time signals It is transmitted to the control system. When the control system judges that the car has fallen from a height, it will start the parachute ejection system according to the attitude of the car in the air. The power source is a vehicle battery.

The parachute ejection system includes a parachute compartment 1 welded on the vehicle body. In this embodiment, the parachute compartment 1 includes a first parachute compartment 101 arranged in the center of the vehicle frame and a second parachute compartment 102 arranged at the top of the vehicle body. . The parachute cabin is composed of the umbrella cabin body and the umbrella cabin cover.

Parachute cabin 1 is provided with umbrella cabin motor 2, umbrella rope 3, main umbrella 4, guide umbrella 5, umbrella rope sling 6, steel ring 7, fixed bearing hinge 8, catapult 10, steel ball with holes 11, Bluetooth Signal receiving device 12 and umbrella cabin controller 13;

Among them, the steel ball 11 with holes, the guiding umbrella 5 and the main umbrella 4 are connected by the parachute rope 3 in turn; the steel ring 7 is arranged on the inside of the parachute compartment 1, and is connected with the cabin of the parachute compartment 1 through the fixed bearing hinge 8; the said The parachute harness 6 combines the car with the parachute 3 of the main parachute 4 through the steel ring 7; the steel ball 11 with holes is placed on the catapult 10; the catapult 10 is installed at the hatch close to the parachute compartment 1 ; The Bluetooth signal receiving device 12 and the parachute cabin controller 13 are integrated inside the parachute cabin 1 .

A cutter 9 is provided on the parachute harness 6 . The cutter 9 can cut the parachute sling 6 to separate the car and the parachute.

The monitoring system includes an acceleration sensor 14, a gyroscope sensor 15 and an ultrasonic sensor; the acceleration sensor 14 and the gyroscope sensor 15 are installed in a special sealing box 18; the sealing box 18 is installed at the bottom of the car. Ultrasonic sensors are mounted on the car body. The ultrasonic sensor includes a first ultrasonic sensor 16 and a second ultrasonic sensor 17, the first ultrasonic sensor 16 is installed on the chassis of the vehicle; the second ultrasonic sensor 17 is installed on the top of the vehicle body.

The control system includes: a control chip 19 and a bluetooth signal transmitting device 20; the control chip 19 and the bluetooth signal transmitting device 20 are installed in the car, and are placed in a special sealed box 18 together with the acceleration sensor; the acceleration sensor 14. The three-axis gyro sensor 15 , the first ultrasonic sensor 16 , the second ultrasonic sensor 17 and the Bluetooth signal transmitting device 20 are respectively connected in parallel on the control chip 19 through wires.

As shown in Figure 7: when the car is running normally, only the first ultrasonic sensor works. Denote the time difference between the sound wave received by the first ultrasonic sensor and the echo received as Δt, Δt is within [Δt1, Δt2], and the time difference threshold is specially set as T, and T=100Δt2; The acceleration in the vertical direction of the car is a _y , and when the car is in a non-suspended state, a _y should be 0m/s ² . When the car is running normally on the road , the first ultrasonic sensor and the acceleration sensor transmit the collected real-time data to the control chip, and the control chip judges the size of Δt and a _y , if Δt≥T and a _y =g,g=9.8 m/s ² , the control chip determines that the car rushes out of the road, falls from a height , and the life-saving emergency device works.

An emergency control method for an emergency system of a vehicle falling from a height, comprising the following steps:

S1. When the control chip determines that the car falls from a height according to the real-time signal, the control chip determines the attitude of the car in the air according to the signal of the three-axis gyro sensor, and activates the first parachute cabin or the second parachute cabin through the Bluetooth signal transmitter;

The real-time signal includes ultrasonic sensor signal, acceleration sensor signal and three-axis gyro sensor signal, when the ultrasonic sensor signal exceeds a predetermined value and the acceleration signal a _y satisfies 9.8m/s ² , then the control chip determines that the car rushes out of the road. , when falling from a height,

The three-axis gyroscope signal includes the angle that the car turns in the three-dimensional direction in the air. The control chip can judge the real-time attitude of the car in the air through the three-axis gyroscope signal, and then select the umbrella cabin closest to the vertical upward direction for ejection. When the second parachute compartment is activated, the first ultrasonic sensor continues to work; when the first parachute compartment is activated, the control chip controls the second ultrasonic sensor to work, and simultaneously controls the first ultrasonic sensor to stop working.

S2. The Bluetooth signal receiving device transmits the signal to the parachute compartment controller in the parachute compartment. The parachute compartment controller first controls the parachute compartment motor to work, the motor rotates forward, the parachute compartment cover is opened, the catapult works, and the steel ball with holes Eject the parachute compartment;

S3. The ejected steel ball provides power for the guide umbrella, the guide umbrella is pulled out of the parachute compartment, the guide umbrella opens to provide power for the main umbrella, and the main umbrella opens to provide resistance for the falling car, and the resistance formed is greater than that of the car. Gravity, so that the car decelerates and falls to a constant speed;

S4. If the second parachute cabin is activated, when the control chip measures the distance between the car and the ground < 1m during the process of receiving the real-time working signal of the first ultrasonic sensor, the control chip sends a signal to cut off the parachute sling through the Bluetooth signal transmitter. The command signal is sent to the bluetooth signal receiving device in the parachute compartment, the bluetooth signal receiving device transmits the command signal of the control chip to the parachute compartment controller, and the parachute compartment controller controls the cutter to cut off the parachute sling and separate the car and the parachute.

If the first parachute cabin is activated, when the control chip measures the distance between the car and the ground <1m during the process of receiving the real-time working signal of the second ultrasonic sensor, the control chip sends a command signal to cut off the parachute sling through the Bluetooth signal transmitter. To the bluetooth signal receiving device in the parachute compartment, the bluetooth signal receiving device transmits the command signal of the control chip to the parachute compartment controller, and the parachute compartment controller controls the cutter to cut the parachute rope sling and separate the car and the parachute.

When the above two states are not met, the real-time ultrasonic sensor continues to collect signals and judge the signals until the parachute cabin is activated when the distance between the car and the ground is less than 1m.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A high-falling emergency system for an automobile is characterized by comprising a power supply, a parachute ejection system, a monitoring system and a control system; the power supply, the parachute ejection system and the monitoring system are connected with the control system through circuits, the monitoring system transmits acquired real-time signals to the control system, and when the control system judges that the automobile falls from a high place, the parachute ejection system is started according to the attitude of the automobile in the air.

2. The automobile high-fall emergency system according to claim 1, wherein the parachute ejection system comprises a parachute cabin welded on an automobile body, and a parachute cabin motor, a parachute rope, a main parachute, a guide parachute, a parachute rope sling, a steel ring, a fixed support hinge, an ejector, a steel ball with a hole, a Bluetooth signal receiving device and a parachute cabin controller are arranged in the parachute cabin;

the steel ball with the hole, the guide umbrella and the main umbrella are connected in sequence through the umbrella rope; the steel ring is arranged on the inner side of the parachute cabin and is connected with the cabin body of the parachute cabin through a fixed support hinge; the umbrella cabin sling combines the automobile and the umbrella rope of the main umbrella together through a steel ring;

the steel ball with the hole is arranged on the ejector; the ejector device is close to the hatch of the parachute bay;

the Bluetooth signal receiving device and the parachute bay controller are integrated inside the parachute bay.

3. A car fall height emergency system according to claim 2, wherein the canopy harness is provided with a cutter.

4. A car height fall emergency system according to claim 2, wherein said parachute bay comprises a first parachute bay disposed centrally on the car frame and a second parachute bay disposed atop the car body.

5. A car height fall emergency system according to claim 1 or 4, wherein the monitoring system comprises an acceleration sensor, a gyroscope sensor and an ultrasonic sensor; acceleration sensor and gyroscope sensor install in the car, and ultrasonic sensor installs on the car automobile body.

6. An automobile high-fall emergency system according to claim 5, wherein the ultrasonic sensor comprises a first ultrasonic sensor and a second ultrasonic sensor, the first ultrasonic sensor being mounted on the chassis of the automobile; the second ultrasonic sensor is installed at the top of the automobile body, when the automobile normally runs, only the first ultrasonic sensor works, the second ultrasonic sensor is not started, when the first parachute cabin is started, the first ultrasonic sensor stops working, meanwhile, the second ultrasonic sensor is controlled to start working, otherwise, when the second parachute cabin is started, the first ultrasonic sensor continues working, and the second ultrasonic sensor does not work.

7. A car fall height emergency system according to claim 1, wherein the control system comprises: the control chip and the Bluetooth signal transmitting device; the control chip and the Bluetooth signal transmitting device are both arranged in the automobile; the acceleration sensor, the three-axis gyroscope sensor, the first ultrasonic sensor, the second ultrasonic sensor and the Bluetooth signal transmitting device are respectively connected in parallel on the control chip through leads.

8. The emergency control method for a high-fall emergency system of a vehicle of claim 1, comprising the steps of:

s1, judging the posture of the automobile in the air by the control chip according to the signal of the three-axis gyroscope sensor when the automobile falls from the high position according to the real-time signal, and starting the first parachute cabin or the second parachute cabin through the Bluetooth signal transmitting device;

s2, the Bluetooth signal receiving device transmits signals to a parachute bay controller in the parachute bay, the parachute bay controller firstly controls a parachute bay motor to work, the motor rotates forwards, a parachute bay cover is opened, an ejector works, and steel balls with holes are ejected out of the parachute bay;

s3, the shot steel balls provide power for the guide umbrella, the guide umbrella is pulled out of the parachute bay, the guide umbrella is opened to provide power for the main umbrella, and the main umbrella is opened to provide resistance for the falling automobile;

s4, if the second parachute bay is started, when the control chip detects that the distance between the automobile and the ground is less than 1m in the process of receiving the real-time working signal of the first ultrasonic sensor, the control chip sends a command signal for cutting off the parachute rope sling to a Bluetooth signal receiving device in the parachute bay through a Bluetooth signal transmitting device, the Bluetooth signal receiving device transmits the command signal of the control chip to the parachute bay controller, and the parachute bay controller controls the cutter to cut off the parachute rope sling and separate the automobile and the parachute.

If the first parachute bay is started, when the control chip measures that the distance between the automobile and the ground is less than 1m in the process of receiving the real-time working signal of the second ultrasonic sensor, the control chip sends a command signal for cutting off the parachute rope sling to a Bluetooth signal receiving device in the parachute bay through a Bluetooth signal transmitting device, the Bluetooth signal receiving device transmits the command signal of the control chip to a parachute bay controller, and the parachute bay controller controls a cutter to cut off the parachute rope sling and separate the automobile and the parachute.

When the two states are not met, the ultrasonic sensor working in real time continues to work, and signals are collected and judged.

9. The emergency control method for a high-fall emergency system of a vehicle according to claim 8, wherein the real-time signals in S1 include ultrasonic signals, acceleration signals and three-axis gyro signals, and the acceleration signals a are generated when the ultrasonic signals exceed a predetermined value_ySatisfies 9.8m/s²And if so, the control chip judges that the automobile rushes out of the mountain road.

10. The emergency control method for a high-fall emergency system of a vehicle as claimed in claim 8, wherein the signal of the three-axis gyroscope in S1 includes the angle that the vehicle has turned in the three-dimensional direction in the air, the control chip can determine the real-time attitude of the vehicle in the air by the signal of the three-axis gyroscope, and then select the umbrella compartment closest to the vertical upward direction for ejection, when the umbrella compartment welded on the top of the vehicle body is started, the ultrasonic sensor mounted on the frame continues to work; when the umbrella cabin welded in the middle of the frame is started, the control chip controls the ultrasonic sensor arranged on the top of the vehicle body to work and controls the ultrasonic sensor on the frame to stop working at the same time.

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