TW202112584A - Safety warning system and method - Google Patents

Abstract

The invention provides a safety warning system that is mounted on a vehicle. The safety warning system includes a sensor, at least one warning component, an emitting device, and a control device. The sensor is configured to sense a collision accident and generate a sensing signal. The emitting device is coupled to the warning component. The control device is electrically connected to the sensor and the emitting device. When the control device determines that the collision accident occurs according to the sensing signal, the control device controls the emitting device to emit the warning component out of a safe distance from the vehicle. The present invention also provides a safety warning method adapted for the vehicle.

Description

Safety warning system and method

The invention relates to a warning technology, in particular to a safety warning system and method for a mobile vehicle.

At present, people rely on various mobile vehicles to move between different places, such as cars, motorcycles, buses, and so on. It is inevitable that there will be traffic accidents in daily life. Once a traffic accident occurs on the road, especially when a car is forced to stop on the road due to a collision, if a sign is not set up immediately to warn vehicles coming from behind, it is prone to secondary collision accidents and increase the degree of injury.

However, when a traffic accident occurs, the person on the accident vehicle may be injured and unable to get off the vehicle to set a warning sign, and it may even happen that the person gets off the vehicle in order to set the warning sign but is chased by a car from behind. Although some existing mobile vehicles have the function of automatically turning on warning lights when a collision occurs, when the driving behind the vehicle is close enough to notice the warning, the distance between the two vehicles may already be less than the safe distance, so it’s not in a hurry. To avoid chasing and collision, especially when the car is driving at high speed, the driving behind needs to get the warning message earlier. Therefore, how to provide a safety warning system that can expand the warning range without requiring people on the vehicle to risk getting off the vehicle has become a problem to be overcome by the industry.

The present invention provides a safety warning system and method, which can ensure the safety of occupants after a collision story occurs and actively set a warning message outside the safe distance of a mobile vehicle.

An embodiment of the present invention provides a safety warning system. The safety warning system is installed in a mobile vehicle and includes a sensor, at least one warning element, a launching device and a control device. The sensor is used to sense a collision accident and generate an induction signal. The transmitting device is coupled to the warning element. The control device is electrically connected to the sensor and the transmitting device. When the control device determines that a collision accident has occurred according to the induction signal, the control device controls the launching device to send the warning element to the safe distance of the mobile vehicle.

In an embodiment of the present invention, the at least one warning element of the above-mentioned safety warning system is a plurality of warning elements, and the transmitting device emits these warning elements in multiple directions.

In an embodiment of the present invention, the warning element of the above-mentioned safety warning system includes a light emitting diode and a battery, wherein when the warning element is emitted, the battery provides power to make the light emitting diode emit a warning light.

In an embodiment of the present invention, the at least one warning element of the above-mentioned safety warning system further includes a motion sensing switch circuit. When the motion sensing switch circuit sensing warning element is emitted, the motion sensing switching circuit conducts the light emitting diode and the battery. .

In an embodiment of the present invention, the warning element of the aforementioned safety warning system includes a reflective sheet.

In an embodiment of the present invention, the warning element of the above-mentioned safety warning system is a flat structure and has a first surface and a second surface opposite to each other, wherein the first surface is a flat surface and the second surface is a flat surface or a curved surface. After the warning element is launched beyond a safe distance, the first surface is expected to face the ground.

In an embodiment of the present invention, in the above-mentioned safety warning system, when a collision accident occurs and the mobile vehicle is stationary, the control device controls the launching device to launch the warning element to a safe distance.

In an embodiment of the present invention, in the above-mentioned safety warning system, when the mobile vehicle is a car, the launching device emits the warning element from the chassis of the car.

In an embodiment of the present invention, the launching device of the aforementioned safety warning system is a pneumatic launching device or an elastic launching device.

An embodiment of the present invention provides a safety warning method suitable for mobile vehicles. The above-mentioned safety warning method includes the following steps: sensing a collision accident and generating an induction signal, and when judging the occurrence of the collision accident according to the induction signal, transmitting at least one warning element to the safe distance of the mobile vehicle.

In an embodiment of the present invention, in the above-mentioned safety warning method, the step of transmitting the warning element beyond the safe distance of the mobile vehicle includes: using a plurality of warning elements and transmitting these warning elements to a plurality of direction.

In an embodiment of the present invention, in the above-mentioned safety warning method, when a collision accident is judged to occur according to the induction signal, the step of transmitting the warning element to a safe distance of the mobile vehicle includes: when a collision accident occurs and the mobile vehicle After the tool is stationary, launch the warning element to a safe distance.

In an embodiment of the present invention, in the above-mentioned safety warning method, the safety distance is a fixed value or a variable value, and when the safety distance is a variable value, the safety distance is adjusted with the speed of the moving vehicle.

Based on the above, the safety warning system and method of the present invention can transmit the warning element to the safe distance of the mobile vehicle through the launching device after a collision accident occurs. In this way, people on mobile vehicles do not need to risk moving on the road to set warning signs personally, and can expand the warning range so that other mobile vehicles can be warned from a safe distance to have enough time reaction.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

Fig. 1 is a block diagram of a safety warning system according to an embodiment of the present invention. Please refer to FIG. 1, the safety warning system 100 is installed in a mobile vehicle and includes a sensor 110, a control device 120, a transmitting device 130 and at least one warning element 140. In the embodiment of FIG. 1, the use of multiple warning elements 140 is taken as an example. The sensor 110 is used for sensing the collision accident of the mobile vehicle and generating a sensing signal. The control device 120 is electrically connected to the sensor 110 and the transmitting device 130, wherein the transmitting device 130 is coupled to the warning elements 140 for transmitting the warning elements 140 from the mobile vehicle to the surroundings of the mobile vehicle.

2 is a flowchart of a safety warning method according to an embodiment of the invention, FIG. 3 is a schematic diagram of a collision accident of a mobile vehicle according to an embodiment of the invention, and FIG. 4 is a safety warning according to an embodiment of the invention Schematic diagram of the function of the system. 1 to 4, the safety warning system 100 of FIG. 1 is suitable for implementing the safety warning method of FIG. 2. Hereinafter, the implementation of the safety warning method of FIG. 2 will be described in conjunction with the component symbols of FIGS. 1, 3, and 4 the way.

In FIG. 3, the mobile vehicle 101 and the mobile vehicle 102 are automobiles, and at least one of the mobile vehicle 101 and the mobile vehicle 102 is equipped with a safety warning system 100. For the convenience of description, take the safety warning system 100 installed on the mobile carrier 101 as an example. The collision accident in FIG. 3 refers to the mobile vehicle 101 colliding with the mobile vehicle 102, but the invention does not limit the type of the collision accident. In other embodiments, the mobile vehicle 101 may also cause a collision accident due to hitting a street lamp, guardrail, etc.

In step S210, the sensor 110 senses a collision accident (for example, as shown in FIG. 3) and generates a sensing signal. In step S220, referring to FIG. 4, when the control device 120 determines that a collision accident has occurred according to the sensing signal, the control device 120 controls the transmitting device 130 to transmit at least one of the warning elements 140 to the safe distance D of the mobile vehicle 101 Outside (such as shown in Figure 4). The warning element 140 will emit a bright light or a warning sound to remind the surrounding drivers that a collision accident has occurred.

Specifically, the sensor 110 is, for example, an acceleration sensor (Accelerometer), a pendulum-type switch or a lever-type switch, etc., for sensing the acceleration of the mobile vehicle 101 when it collides. The control device 120 is, for example, a hardware device such as a central processing unit (CPU), a microprocessor (Microprocessor), or a microcontroller (Microcontroller Unit, MCU). In one embodiment, the launching device 130 is a pneumatic launching device. The control device 120 activates the launching device 130 through the ignition circuit of the mobile vehicle 101 to send one or more warning elements 140 out of the safety distance D using gas injection. In another embodiment, the launching device 130 is an elastic launching device. One or more warning elements 140 are sent out of the safety distance D through the conversion of the elastic position energy. In the embodiment of FIG. 4, when the mobile vehicle 101 is a car, the launching device 130 can launch one or more warning elements 140 from the chassis of the car, allowing the warning elements 140 to slide along the ground or fly at a low altitude to a safe distance D. . In another embodiment, the launching device 130 can also launch the warning element 140 upward so that the warning element 140 falls outside the safe distance D along the parabola. The present invention does not limit the implementation of how the launching device 130 transports the warning element 140 beyond the safe distance D.

FIG. 5 is a schematic diagram of the appearance of a warning element according to an embodiment of the present invention. 5, the warning element 140 may be a flat structure and have a first surface S1 and a second surface S2 opposite to each other, wherein the first surface S1 is a plane and the second surface S2 is a plane or a curved surface (the second surface in FIG. 5 The surface S2 takes a curved surface as an example), where when the warning element 140 is launched beyond the safety distance D, the first surface S1 is expected to face the ground, and the second surface S2 faces the sky, and a warning sound is emitted to the outside through the second surface S2 Or warning light (warning signal 510 in Figure 5).

It is supplemented that when the launching device 130 launches the warning element 140 with the structure shown in FIG. 5 from the chassis of the car, the first surface S1 of the warning element 140 can slide along the road to reach the safety distance D outside. Moreover, because the warning element 140 is a flat structure, the warning element 140 will not affect its traveling safety when other mobile vehicles run over the road.

In one embodiment, after a collision accident occurs, the sensor 110 detects that the impact force is greater than or equal to a force threshold value before sending a sensing signal to the control device 120. The control device 120 controls the transmitting device 130 to transmit at least one warning element 140 after receiving the sensing signal. In another embodiment, after a collision accident occurs, the sensor 110 generates an induction signal, where the induction signal includes information reflecting the magnitude of the impact force. The control device 120 determines whether the impact force is greater than or equal to the force threshold value according to the sensing signal, so as to determine whether to allow the launching device 130 to emit at least one warning element 140.

Returning to the embodiment of FIG. 4, the safety warning system 100 will launch multiple warning elements 140, and the launching device 130 will launch these warning elements 140 in multiple directions. In detail, in this embodiment, the mobile vehicle 101 has a safety range R, where the safety range R is, for example, a circular area with a safety distance D as a radius, but it is not limited. The control device 120 can control the launching device 130 to evenly launch these warning elements 140 outside the safe range R, or launch a denser warning element 140 in the front and rear directions of the driving road, and launch a sparse warning element 140 in other angular ranges. .

The safety distance D can be a fixed value or a variable value. When the safety distance D is a variable value, the safety distance D will be adjusted with the speed of the mobile vehicle 101. In one embodiment, the control device 120 is electrically connected to the speed sensor 150 of the mobile vehicle 101 to obtain the current speed of the mobile vehicle 101. The control device 120 increases or decreases the safety distance D according to the current speed of the mobile vehicle 101. In addition, through the speed sensor 150, when a collision accident occurs and the mobile vehicle 101 is stationary, the control device 120 controls the launching device 130 to launch the warning element 140 beyond the safe distance D to avoid a collision. Although the safety warning system 100 immediately launches The warning element 140, however, at this time, the mobile vehicle 101 may not be still immediately but in the process of spinning or taxiing. At this time, the warning element 140 may not be able to allow other mobile vehicles to drive from a safe distance. The effect of the warning. In another embodiment, when a collision accident occurs, the control device 120 can control the launching device 130 to immediately launch the warning element 140, and can launch multiple warning elements 140 at a time, or launch at least one after another before the mobile vehicle 101 is stationary. A warning element 140. In other words, the mobile vehicle 101 still emits the warning element 140 while it is spinning or sliding due to the collision.

Fig. 6 is a block diagram of a warning element according to an embodiment of the present invention. Please refer to FIG. 6, each warning element 140 includes a light emitting diode 142 and a battery 144. When at least one warning element 140 is emitted, the battery 144 will supply power to make the light emitting diode 142 emit a warning light. The light emitting diode 142 does not need to be powered by the mobile carrier 101. In this embodiment, each warning element 140 may further include a motion sensing switch circuit 146. The motion sensing switch circuit 146 includes, for example, an acceleration sensor (Accelerometer Sensor), a magnetic sensor (Magnetic Sensor), a gyro sensor (Gyro-sensor), or a gravity sensor (G-sensor). When the motion sensing switch circuit 146 senses that the warning element 140 is emitted, the motion sensing switch circuit 146 turns on the light emitting diode 142 and the battery 144. Specifically, when the warning element 140 is placed on the mobile carrier 101, the warning element 140 is not lit to save energy. However, when the sensing warning element 140 is emitted, the motion sensing switch circuit 146 correspondingly turns on the light emitting diode 142 to emit a warning light to remind the surrounding or the driving of the oncoming vehicle.

In one embodiment, the warning element 140 further includes a reflective sheet 148 to enhance the warning effect. In some embodiments, the warning element 140 can also use a reflective sheet 148 instead of the light-emitting diode 142 to reflect ambient light or the lights of an oncoming car to achieve a warning effect. The present invention does not limit the warning method of the warning element 140.

In another embodiment, the warning element 140 may also include a transmitter (not shown in FIG. 6) that emits a warning sound or a warning signal. The motion sensing switch circuit 146 will actively activate the transmitter after sensing that the warning element 140 is fired.

In summary, the safety warning system and method of the present invention can enable the mobile vehicle to automatically launch the warning element after a collision accident occurs, and the warning element will be launched to a safe distance. In this way, it is possible for drivers around or behind to detect collision accidents earlier, and increase the reaction time to avoid secondary accidents. In addition, since the mobile vehicle automatically emits warning elements, people on the mobile vehicle do not need to get off the vehicle, avoiding the risk of being hit by other mobile vehicles.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be determined by the scope of the attached patent application.

100: Safety warning system 101, 102: mobile vehicles 110: Sensor 120: control device 130: Launcher 140: warning component 142: LED 144: Battery 146: Motion sensing switch circuit 148: Reflective sheet 150: Speed sensor 510: Warning signal D: Safety distance R: safe range S1: First surface S2: second surface S210, S220: Steps of safety warning method

Fig. 1 is a block diagram of a safety warning system according to an embodiment of the present invention. Fig. 2 is a flowchart of a safety warning method according to an embodiment of the present invention. Fig. 3 is a schematic diagram of a collision accident of a mobile vehicle according to an embodiment of the present invention. Fig. 4 is a schematic diagram of the function of a safety warning system according to an embodiment of the present invention. FIG. 5 is a schematic diagram of the appearance of a warning element according to an embodiment of the present invention. Fig. 6 is a block diagram of a warning element according to an embodiment of the present invention.

101: Mobile Vehicle

140: warning component

D: Safety distance

R: safe range

Claims (14)

A safety warning system is installed in a mobile vehicle and includes: A sensor for sensing a collision accident and generating a sensing signal; At least one warning element; A launching device coupled to the at least one warning element; and A control device electrically connected to the sensor and the transmitter, Wherein, when the control device determines that the collision accident occurs according to the sensing signal, the control device controls the launching device to launch the at least one warning element to a safe distance away from the mobile vehicle. For the safety warning system described in the first item of the scope of patent application, the at least one warning element is a plurality of warning elements, and the launching device emits the warning elements to multiple directions. The safety warning system described in item 1 of the scope of patent application, wherein the at least one warning element includes a light-emitting diode and a battery, and when the at least one warning element is emitted, the battery provides power to make the light-emitting diode The body emits a warning light. The safety warning system according to item 3 of the scope of patent application, wherein the at least one warning element further includes a motion sensing switch circuit, and when the motion sensing switch circuit senses that the at least one warning element is emitted, the motion sensing switch circuit is turned on The light-emitting diode and the battery. According to the safety warning system described in item 1 of the scope of patent application, the at least one warning element includes a reflective sheet. The safety warning system as described in claim 1, wherein the at least one warning element has a flat structure and has a first surface and a second surface opposite to each other, wherein the first surface is flat and the second surface It is a flat surface or a curved surface, wherein when the at least one warning element is launched beyond the safe distance, the first surface is expected to face the ground. For example, in the safety warning system described in item 1 of the scope of patent application, when the collision accident occurs and the mobile vehicle is stationary, the control device controls the launching device to launch the at least one warning element out of the safe distance. The safety warning system as described in item 1 of the scope of patent application, wherein when the mobile vehicle is a car, the launching device launches the at least one warning element from the chassis of the car. For example, in the safety warning system described in item 1 of the scope of patent application, the safety distance is a fixed value or a variable value, and when the safety distance is a variable value, the safety distance is adjusted with the speed of the mobile vehicle. The safety warning system as described in item 1 of the scope of patent application, wherein the launching device is a pneumatic launching device or an elastic launching device. A safety warning method, suitable for a mobile vehicle, includes: Sense a collision accident and generate an induction signal; and When judging that the collision accident occurs according to the sensing signal, at least one warning element is emitted to a safe distance of the mobile vehicle. According to the safety warning method described in item 11 of the scope of the patent application, the step of transmitting the at least one warning element to the safe distance of the mobile vehicle includes: The at least one warning element is a plurality of warning elements, and the warning elements are emitted to multiple directions. For example, in the safety warning method described in item 11 of the scope of patent application, when it is judged that the collision accident occurs according to the induction signal, the step of transmitting the at least one warning element to the mobile vehicle beyond the safe distance includes: When the collision accident occurs and the mobile vehicle is stationary, the at least one warning element is emitted to the safe distance. For example, in the safety warning method described in item 11 of the scope of patent application, the safety distance is a fixed value or a variable value, and when the safety distance is a variable value, the safety distance is adjusted with the speed of the mobile vehicle.

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