TW201804447A - Driving safety detecting system and method thereof comprising at least one transmitting unit, at least one capturing unit, a calculation unit and a warning unit - Google Patents

Abstract

This invention relates to a driving safety detecting system and a method thereof for detecting the flatness of a to-be-detected object around a vehicle or a depression when the vehicle is driven forwards or backwards to prevent the vehicle from suffering from a collision or falling danger. The driving safety detecting system comprises at least one transmitting unit, at least one capturing unit, a calculation unit and a warning unit. The transmitting unit is arranged outside the vehicle and is used for transmitting a first signal to the to-be-detected object when the vehicle is driven forwards or backwards. The capturing unit is disposed outside the vehicle and paired with the transmitting unit, and is used for capturing a second signal fed back by the to-be-detected object. The calculation unit is respectively electrically connected with the transmitting unit and the capturing unit and is used for calculating the changes of the second signal and the first signal. The warning unit is electrically connected with the calculation unit and is used for transmitting a warning signal according to the calculation change of the calculation unit.

Description

Driving safety detection system and method

The invention relates to a driving safety detection system and a method thereof, in particular to a driving safety detection system and method for preventing a vehicle from encountering the danger of collision or falling.

According to the current situation, the parking sensor (Parking Sensor) equipped on a vehicle can be called a parking assistance system, or a computer assistance system for backing up, etc. It is usually used when the vehicle is backing up, using the ultrasonic sensor installed on the rear bumper. The ultrasonic principle of the tester, when the calculated distance between the obstacle and the vehicle is less than the warning distance, warning notifications such as the display of the display or the sound of a buzzer sound to remind the driver to pay attention to the driving conditions around the vehicle, etc. The main purpose; after several generations of advancement and development of reversing radar technology, the latest reversing radar has been equipped with digital band technology to display the distance between obstacles and vehicles, and high-speed computer control to accurately measure within 2 meters The ability of obstacles, and even has technical features such as wireless communication and round-the-clock operation to adapt to different use environments, and indeed provides drivers with accurate and error-free driving safety protection when reversing.

As mentioned above, the main function of the traditional reversing radar is to accurately detect the presence or distance of obstacles behind the vehicle, in order to effectively avoid the collision between the vehicle and the obstacle and cause human and object damage; however, the traditional reversing radar can only detect There are protrusions on the road surface of the car, but it is not possible to know the terrain variation such as the ditch or cliff on the road. Therefore, it is often driving in unfamiliar terrain to cause the tire to fall in the ditch, or even the entire car crashes. The events of the cliff occur; therefore, How to effectively identify the terrain variation of the vehicle with innovative technology, accurately and comprehensively detect the existence of the road surface or obstacles around the vehicle when the vehicle is traveling or reversing, and then effectively remind the driver to pay attention to the vehicle with warning signals and other methods The surrounding road conditions have reached the advantage of maintaining driving safety, and it is still a problem for developers and related researchers in related industries such as driving safety detection systems to continuously strive to overcome and solve.

Today, the inventor is considering that there are still many shortcomings in the above-mentioned traditional traffic detection radar in actual implementation, so it is a tireless spirit, supplemented by its rich professional knowledge and years of practical experience Improve and invent the invention based on this.

The main purpose of the present invention is to provide a driving safety detection system and a method thereof, in particular to a driving safety detection system and method for preventing a vehicle from encountering the danger of collision or falling, mainly by capturing and calculating the emission of light emitted by a light emitting unit. The change in the image or value of the optical signal on the object to be detected to detect obstacles or road surface smoothness and subsidence around the vehicle when the vehicle is moving or going backward, effectively preventing the vehicle from colliding with the obstacle or falling into the ditch and cliff And so on, it does achieve the advantages of alerting drivers to driving safety and maintaining personal and property safety.

In order to achieve the above-mentioned implementation purpose, the present inventor proposes a driving safety detection system that detects the flatness or depression of at least one object to be tested around a vehicle when the vehicle is traveling or going backwards, in order to prevent the vehicle from encountering a collision or The danger of falling, in which the flatness or depression of the object to be tested includes, but is not limited to, obstacles, road bulges or road ditches and cliffs. The driving safety detection system of the present invention includes at least one launching unit. , At least one capturing unit, one computing unit, and one warning unit; at least one transmitting unit is provided at a suitable location outside the vehicle, and the transmitting unit emits a first signal to the object to be measured when the vehicle is traveling or reversing; at least one The capture unit is arranged outside the vehicle and is set in pairs with the launch unit. The capture unit is used to capture the second signal fed back by the DUT; the computing unit is electrically connected to the launch unit and the capture unit, respectively, and the computing unit It is used to calculate the change between the second signal and the first signal; the warning unit is electrically connected to the computing unit, and the warning unit sends a warning signal based on the change calculated by the computing unit.

The driving safety detection system as described above, wherein the transmitting unit is a light emitting unit.

The driving safety detection system as described above, wherein the light-emitting unit is one of a laser, a light-emitting diode, or a light-emitting body for outputting a light beam.

In the driving safety detection system as described above, the first signal is one of optical signals having at least one optical pattern or uniform light.

The driving safety detection system as described above, wherein the capturing unit is an image capturing unit, and the image capturing unit includes at least one optical lens and a photosensitive element connected to the optical lens, and the optical lens captures a second signal The image is on the photosensitive element.

The driving safety detection system as described above, wherein the capturing unit is a light receiving unit, and the light receiving unit is used to receive the second signal fed back by the object to be measured.

The driving safety detection system as described above, wherein the transmitting unit and the capturing unit can be further combined into a light sensor.

The driving safety detection system as described above, wherein the warning signal is presented in one type of sound, light, image, or vibration, or a combination of two or more.

In addition, in order to achieve the purpose of implementing a driving safety detection system, the inventor has developed the following implementation technology, which is to detect the flatness or depression of at least one object to be tested around a vehicle when the vehicle is moving or reversing, in order to Protects vehicles against the danger of collision or fall, of which The flatness or depression of an object includes, but is not limited to, obstacles, road bumps, or ditches and cliffs on the road. First, when the vehicle is moving forward or backward, a launch unit located outside the vehicle is used to launch a first A signal is sent to the DUT; then, an acquisition unit set in pairs with the transmitting unit is used to capture the second signal fed back by the DUT; then, a calculation that is electrically connected to the transmitting unit and the acquiring unit is used. The unit calculates the change between the second signal and the first signal; finally, according to the change calculated by the arithmetic unit, a warning signal is issued using a warning unit to remind the driver to pay attention.

The driving safety detection method as described above, wherein the transmitting unit is a light emitting unit.

The driving safety detection method as described above, wherein the light-emitting unit is one of a laser, a light-emitting diode, or a light-emitting body for outputting a light beam.

The driving safety detection method as described above, wherein the first signal is one of optical signals having at least one optical pattern or uniform light.

The driving safety detection method as described above, wherein the capturing unit is an image capturing unit, and the image capturing unit includes at least one optical lens and a photosensitive element connected to the optical lens, and the optical lens captures a second signal The image is on the photosensitive element.

The driving safety detection method as described above, wherein the capturing unit is a light receiving unit, and the light receiving unit is used to receive a second signal fed back by the object to be measured.

The driving safety detection method as described above, wherein the transmitting unit and the capturing unit can be further combined into a light sensor.

The driving safety detection method as described above, wherein the warning signal is presented in one type of sound, light, image, or vibration, or a combination of two or more.

Therefore, the driving safety detection system and method of the present invention capture and calculate changes in the image or value of the light signal emitted by the light-emitting unit on the object to be measured, so as to carry out vehicle surroundings when the vehicle is traveling or reversing. The detection of obstacles or road surface flatness and subsidence can effectively prevent vehicles and obstacles from colliding or falling down ditches and cliffs, and indeed achieves the advantages of alerting drivers to driving safety and maintaining personal and property safety; in addition, the invention The driving safety detection system and method use image capture to detect and calculate the change of the optical pattern on the road or obstacles with the terrain, so as to detect the terrain height of the environment where the vehicle wants to go forward or backward. Differences, and effectively match the hardware design of warning units such as sound, light, image or vibration to achieve the advantages of reminding the driver of the existence of dangers around the vehicle and reducing the probability of major hazards. Finally, the driving safety of the present invention The detection system and its method detect the signal of road surface or obstacle feedback by a light sensor provided under the vehicle bumper. The light value changes to detect the terrain difference of the vehicle's forward or backward environment, and effectively matches the hardware design of the warning unit such as sound, light, image or vibration, to remind the driver to pay attention to the existence of dangerous terrain around the vehicle And reduce the chance of major hazards.

(1) ‧‧‧Vehicle

(2) ‧‧‧DUT

(21) ‧‧‧Ditch

(22) ‧‧‧Second Signal

(3) ‧‧‧Launching unit

(31) ‧‧‧First Signal

(4) ‧‧‧Retrieval unit

(41) ‧‧‧Optical lens

(42) ‧‧‧Photosensitive element

(5) ‧‧‧ Computing Unit

(6) ‧‧‧Warning unit

(S1) ‧‧‧Step 1

(S2) ‧‧‧Step 2

(S3) ‧‧‧Step Three

(S4) ‧‧‧Step 4

(H) ‧‧‧Depth

FIG. 1: Block diagram of the system architecture of a preferred embodiment of the driving safety detection system of the present invention

Fig. 2: Schematic diagram of system configuration of a preferred embodiment of the traffic safety detection system of the present invention

Figures 3 (A) and (B): A schematic diagram of the system operation of a preferred embodiment of the driving safety detection system of the present invention

Fig. 4: Flow chart of steps of the method for detecting driving safety of the present invention

In order for the reviewing committee members to understand the technical features, contents, advantages of the present invention, and the effects that can be achieved, the present invention is described in detail with the accompanying drawings in the form of embodiments, and the diagrams used therein, Its main purpose is only for the purpose of illustration and supplementary description. It may not be the actual proportion and precise configuration after the implementation of the invention. Therefore, the attached drawings should not be interpreted and limited to the scope of rights of the present invention in actual implementation. , He Xianxian.

First, please refer to FIG. 1 and FIG. 2, which are a block diagram of a system architecture and a system configuration diagram of a preferred embodiment of the driving safety detection system of the present invention. The driving safety detection system of the present invention is When a vehicle (1) is moving or going backwards, the flatness or depression of at least one object to be tested (2) around the vehicle (1) is detected to prevent the vehicle (1) from encountering the danger of collision or falling. (2) The flatness or depression includes, but is not limited to, obstacles, road bulges or road depressions (21) and cliffs. The driving safety detection system of the present invention includes at least: At least one transmitting unit (3) is provided at a suitable location outside the vehicle (1), and the transmitting unit (3) transmits a first signal (31) to the object to be measured (2) when the vehicle (1) travels or moves backward. In addition, the emitting unit (3) is a light-emitting unit, and the light-emitting unit is a device such as a laser, a light-emitting diode, or a light-emitting body for outputting a light beam; further, the first signal (31) Is a light signal with at least one optical pattern or uniform light; in a preferred embodiment of the present invention, the transmitting unit (3) is a laser device disposed behind the vehicle (1), and the laser The first signal (31) emitted by the radiation device is a laser beam with at least one optical pattern; however, it must be noted that the position and number of the above-mentioned emission units (3) provided on the vehicle (1) are for convenience of explanation. See, and the efficacy and technical advantages of the launch unit (3) placed in front of the vehicle (1) or a plurality of launch units (3) are the same as those of a preferred embodiment, and should be regarded as equivalent changes or modifications of the present invention; At least one capturing unit (4) is arranged outside the vehicle (1) and is connected to the launching unit (3) Set in pairs, the capture unit (4) is used to capture the second signal (22) of the test object (2) feedback; in addition, the capture unit (4) is an image capture unit of a camera, the camera system At least one optical lens (41) and a photosensitive element (42) connected to the optical lens (41). The optical lens (41) captures the image of the second signal (22) fed back by the object to be measured (2) and detects the light. Component (42); please refer to Fig. 2 and Fig. 3 (A) and (B) of the driving safety detection system of the present invention, which is a preferred embodiment of the system operation diagram, The object (2) is a trench (21) with a depressed road surface and a depth (H). When the vehicle (1) in Figure 3 (A) starts to reverse, the laser device of the launching unit (3) launches a The laser beam of the first signal (31) is drawn in a straight line segment, and the optical lens (41) disposed behind the vehicle (1) simultaneously captures the image of the second signal (22) fed back from the road to the photosensitive element ( 42); when the vehicle (1) in Figure 3 (B) continues to reverse, the image of the second signal (22) fed back from the road and the trench (21) is also captured by the optical lens (41) on the photosensitive element (42) on; An arithmetic unit (5) is used to electrically connect the transmitting unit (3) and the acquisition unit (4), and the arithmetic unit (5) is used to calculate the distance between the second signal (22) and the first signal (31). In a preferred embodiment of the present invention, the camera disposed behind the vehicle (1) transmits the second signal (22) fed back by the captured object (2) to the computing unit (5) for processing. Compare the second signal (22) with the first signal (31) to calculate the change between the two; as shown in Figure 3 (A), when there are no obstacles on the road, the second signal (22) is It is equivalent to the first signal (31), without any change in the meantime, and when the vehicle (1) continues to reverse, the second signal (22) and the transmission from the road surface and the ditch (21) in Figure 3 (B) The comparison of the first signal (31) transmitted by the unit (3) is mutated, and the arithmetic unit (5) can calculate the change between the second signal (22) and the first signal (31); and A warning unit (6) is electrically connected to the computing unit (5), and the warning unit (6) issues a warning signal based on the change calculated by the computing unit (5); in addition, the warning signal is a sound, One type of light, image, or vibration, or a combination of more than two; in a preferred embodiment of the present invention, when the second signal (22) calculated by the operation unit (5) in FIG. 3 (B) When the optical pattern between the first signal (31) and the first signal (31) changes, the warning unit (6) will trigger a audible warning signal to remind the driver to pay attention to the danger in the environment behind the vehicle (1) when reversing, In other words, the environment behind the vehicle (1) is reminded to have a ditch (21), so as to avoid the danger of falling when driving in reverse.

In addition, the transmitting unit (3) may also be a light emitting body that outputs a uniform light beam, and the capturing unit (4) is a light receiving unit for receiving a second signal (22) from the object to be measured (2). The transmitting unit (3) and the capturing unit (4) can be further combined into a light sensor disposed under the bumper of the vehicle (1); in a second preferred embodiment of the present invention, the light sensor It is the first signal (31) that emits a uniform beam to the road surface where the trench (21) exists, and the light sensor then synchronously receives the second signal (22) of the optical signal fed back from the road surface and the channel (21) and transmits it to Operation unit (5). When the light value between the second signal (22) and the first signal (31) calculated by the operation unit (5) changes, it means that the trench (21) cannot feedback the second signal (22) to The capture unit (4), or the second signal (22) feedbacked, is mutated, then the warning unit (6) sends out a beeping warning signal to remind the driver to pay attention to the environment behind the vehicle (1) when reversing. The danger.

Furthermore, in order to enable your review committee to have a more in-depth and specific understanding of the present invention, please refer to FIG. 4 again, which is a flowchart of the steps of the driving safety detection method of the present invention, in which the driving safety detection method of the present invention When the vehicle (1) is traveling or going backward, the flatness or depression of at least one object to be measured (2) around the vehicle (1) is detected to prevent the vehicle (1) from encountering the danger of collision or falling. The flatness or depression of the object (2) includes, but is not limited to, obstacles, road bulges or road ditches (21) and cliffs. The driving safety detection method of the present invention mainly includes: The following steps:

Step one (S1): when the vehicle (1) is moving forward or backward, a first signal (31) is transmitted to the test object (2) by using a transmitting unit (3) provided outside the vehicle (1) in a suitable place; In addition, the emitting unit (3) is a light-emitting unit, and the light-emitting unit is a laser, a light-emitting diode, or a light-emitting body for outputting a light beam; and the first signal (31) is Is a light signal having at least one optical pattern or uniform light; in a preferred embodiment of the present invention, the transmitting unit (3) is a laser device disposed behind the vehicle (1), and the laser The first signal (31) emitted by the device is a laser beam with at least one optical pattern; however, it must be noted that the above-mentioned transmitting unit (3) is disposed at the position of the vehicle (1) for convenience of description, and The effects and technical advantages generated by being placed in front of the vehicle (1) are the same as those of a preferred embodiment, and should be regarded as equivalent changes or modifications of the present invention;

Step 2 (S2): Use a capture unit (4) set in pairs with the launch unit (3) to capture the second signal (22) fed back by the DUT (2); in addition, the capture unit (4) is It is an image capturing unit of a camera. The camera system includes at least an optical lens (41) and a photosensitive element (42) connected to the optical lens (41). The optical lens (41) captures feedback from the object to be measured (2). The image of the second signal (22) is on the photosensitive element (42); please refer to Fig. 2 and Fig. 3 (A) and (B) together, where the object to be measured (2) is a road depression And a trench (21) having a depth (H), when the vehicle (1) in FIG. 3 (A) starts to reverse, the laser device of the launching unit (3) emits a first signal in a straight line segment (31), and the optical lens (41) located behind the vehicle (1) simultaneously captures the image of the second signal (22) fed back from the road surface onto the photosensitive element (42); when Figure 3 After the vehicle (1) in (B) continues to reverse, the image of the second signal (22) fed back from the road and the ditch (21) is also captured on the photosensitive element (42) by the optical lens (41);

Step three (S3): calculating a change between the second signal (22) and the first signal (31) using a computing unit (5) electrically connected to the transmitting unit (3) and the capturing unit (4); In a preferred embodiment of the present invention, the camera disposed behind the vehicle (1) transmits the second signal (22) fed back by the captured object to be measured (2) to the computing unit (5) for the second signal. (22) Compared with the first signal (31) to calculate the change between the two; as shown in Figure 3 (A), when there is no obstacle on the road, the second signal (22) is equivalent to the first signal A signal (31) without any change in the meantime, and after the vehicle (1) continues to reverse, the second signal (22) and the transmitting unit (3) feedback from the road surface and the trench (21) in Figure 3 (B) ) The comparison of the first signal (31) transmitted is mutated, and the arithmetic unit (5) can calculate the change between the second signal (22) and the first signal (31); and

Step 4 (S4): According to the change calculated by the computing unit (5), use a warning unit (6) to send a warning signal to remind the driver to pay attention; in addition, the warning signal is one of sound, light, image or vibration, etc. Type or a combination of more than two; in a preferred embodiment of the present invention, when the second signal (22) and the first signal (31) are calculated by the arithmetic unit (5) in FIG. 3 (B) When the optical pattern of the camera changes, it will trigger the warning unit (6) to issue a beeping warning signal to remind the driver to pay attention to the danger in the environment behind the vehicle (1) when reversing, that is, to remind the driver to drive the relevant vehicle (1 ) There is a ditch (21) in the environment behind to avoid the danger of sinking when driving in reverse.

In addition, the transmitting unit (3) may also be a light emitting body that outputs a uniform light beam, and the capturing unit (4) is a light receiving unit for receiving a second signal (22) from the object to be measured (2). The transmitting unit (3) and the capturing unit (4) can be further combined into a light sensor disposed under the bumper of the vehicle (1); in a second preferred embodiment of the present invention, the light sensor The first signal (31) that emits a uniform beam of light onto the road surface with a trench (21), and the light sensor synchronously receives the road surface and The second signal (22) of the light signal fed back from the trench (21) is transmitted to the computing unit (5). When the light value between the second signal (22) and the first signal (31) calculated by the computing unit (5) is generated, When it changes, it means that the ditch (21) is unable to feed back the second signal (22) to the capture unit (4), or the second signal (22) that is fed back is mutated, and the warning unit (6) issues a sound pattern Warning signal to remind the driver to pay attention to the danger in the environment behind the vehicle (1) when reversing.

As can be seen from the foregoing implementation description, compared with the prior art, the driving safety detection system and method of the present invention have the following advantages:

1. The driving safety detection system and method of the present invention is to capture and calculate changes in the image or value of the light signal emitted by the light-emitting unit on the object to be measured, so as to perform vehicle surroundings when the vehicle is traveling or reversing. The detection of obstacles or road surface flatness and subsidence can effectively prevent vehicles and obstacles from colliding or falling down ditches and cliffs, and indeed achieve the advantages of alerting drivers to driving safety and maintaining personal and property safety.

2. The driving safety detection system and method of the present invention detect and calculate the change of the optical pattern hitting the road surface or obstacle with the terrain level by means of image capturing to detect the vehicle going forward or backward The terrain of the environment is highly different, and the hardware design of the warning unit, such as sound, light, image, or vibration, is effectively used to achieve the advantages of reminding the driver of the existence of dangers around the vehicle and reducing the probability of major hazards.

3. The driving safety detection system and method of the present invention use a light sensor provided below a vehicle bumper to detect a change in the light value of a signal fed back from a road surface or an obstacle to detect a vehicle's forward or backward environment. Terrain differences, and the effective design of the sound unit, sound, light, image or vibration of the warning unit's hardware design, to remind the driver to pay attention to the existence of dangerous terrain around the vehicle and reduce the probability of major hazards.

In summary, the driving safety detection system and method of the present invention can indeed achieve the expected use effect through the embodiments disclosed above, and the present invention has not been disclosed before the application, and it has fully complied with the patent. Regulations and requirements. I filed an application for an invention patent in accordance with the law, and I urge you to examine it and grant the patent.

However, the illustrations and descriptions disclosed above are only preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Anyone who is familiar with the technology, according to the characteristic scope of the present invention, makes other Equivalent changes or modifications should be regarded as not departing from the design scope of the present invention.

(3) ‧‧‧Launching unit

(4) ‧‧‧Retrieval unit

(5) ‧‧‧ Computing Unit

(6) ‧‧‧Warning unit

Claims (16)

A driving safety detection system is used to detect the flatness or depression of at least one object to be tested around a vehicle when the vehicle is moving or going backward to prevent the vehicle from encountering the danger of collision or falling. The system at least includes: at least one transmitting unit, which is disposed at an appropriate place outside the vehicle, and the transmitting unit emits a first signal to the object under test when the vehicle is traveling or reversing; at least one acquisition unit, which is It is arranged outside the vehicle and is set in pairs with the transmitting unit. The capturing unit is used to capture the second signal fed back by the DUT. An arithmetic unit is used to electrically connect the transmitting unit and the capturing unit. A computing unit for calculating a change between the second signal and the first signal; and a warning unit electrically connected to the computing unit, the warning unit issuing a warning based on the change calculated by the computing unit Signal. The driving safety detection system according to item 1 of the patent application scope, wherein the transmitting unit is a light emitting unit. The driving safety detection system according to item 2 of the scope of the patent application, wherein the light-emitting unit is one of a laser, a light-emitting diode, or a light-emitting body for outputting a light beam. The driving safety detection system according to item 1 or 2 or 3 of the patent application scope, wherein the first signal is an optical signal having at least one optical pattern or uniform light. The driving safety detection system according to item 1 of the scope of the patent application, wherein the capturing unit is an image capturing unit, and the image capturing unit includes at least an optical lens and a photosensitive element connected to the optical lens. The optical lens captures an image of the second signal on the photosensitive element. According to the driving safety detection system described in item 1 of the scope of the patent application, the capturing unit is a light receiving unit, and the light receiving unit is used to receive a second signal fed back by the DUT. The driving safety detection system according to item 6 of the patent application scope, wherein the transmitting unit and the capturing unit are further combined into a light sensor. The driving safety detection system according to item 1 of the scope of patent application, wherein the warning signal is presented in one of sound, light, image, or vibration, or a combination of two or more. A driving safety detection method is used to detect the flatness or depression of at least one object to be tested around a vehicle when the vehicle is moving or going backwards to prevent the vehicle from encountering the danger of collision or falling. The driving safety detection The method includes the following steps: Step 1: When the vehicle is moving forward or backward, use a transmitting unit provided outside the vehicle to transmit a first signal to the object under test; Step 2: Use one and the transmission The capture unit set in pairs captures the second signal fed back by the DUT; Step 3: Use a computing unit electrically connected to the transmitting unit and the capture unit to calculate the second signal and the first signal. Changes between signals; and step four: according to the changes calculated by the computing unit, a warning signal is issued using a warning unit to remind the driver to pay attention. The driving safety detection method according to item 9 of the scope of patent application, wherein the transmitting unit is a light emitting unit. The driving safety detection method as described in item 10 of the patent application scope, wherein the light emitting unit is one of a laser, a light emitting diode, or a light emitting body for outputting a light beam. The driving safety detection method according to item 9 or 10 or 11 of the scope of patent application, wherein the first signal is an optical signal having at least one optical pattern or uniform light. The driving safety detection method according to item 9 of the scope of the patent application, wherein the capturing unit is an image capturing unit, and the image capturing unit includes at least an optical lens and a photosensitive element connected to the optical lens. The optical lens captures an image of the second signal on the photosensitive element. The driving safety detection method according to item 9 of the scope of the patent application, wherein the capturing unit is a light receiving unit, and the light receiving unit is configured to receive a second signal fed back by the DUT. The driving safety detection system according to item 14 of the scope of the patent application, wherein the transmitting unit and the capturing unit are further combined into a light sensor. The driving safety detection system as described in item 9 of the scope of patent application, wherein the warning signal is presented in one of sound, light, image, or vibration, or a combination of two or more.