TW202402577A - Blind zone warning device of vehicle rearview mirror including a rearview mirror body, a blind zone detection unit and a controller - Google Patents

Abstract

Disclosed is a blind zone warning device of vehicle rearview mirror, which includes: a rearview mirror body, a blind zone detection unit and a controller. The rearview mirror has a lens and a blind zone warning light; the blind zone detection unit is used for generating a blind zone warning signal; and the controller is provided on the rearview mirror body and is electrically connected to the blind zone warning light and the blind zone detection unit. The controller determines whether to control lighting of the blind zone warning light based on the blind zone warning signal, so that when a driver sees the blind zone warning light being lit, the driver is able to know that there may be cars approaching and drive with care, thereby preventing car accidents from occurring.

Description

Vehicle rearview mirror blind spot warning device

The invention relates to a blind spot warning device, in particular to a vehicle rearview mirror blind spot warning device.

Vehicles are basically equipped with left and right rearview mirrors. The purpose of the rearview mirror is mainly for the driver to see the scene behind the car through the rearview mirror when driving, so as to observe the road conditions behind him. However, limited by the size and position of the rearview mirror lens, the driver still has a visual blind spot when driving. That is, the driver cannot see the scene in the blind spot through the rearview mirror. As a result, it is still impossible to see through the rearview mirror. Complete road conditions behind the vehicle, thereby increasing the risk of hazards when changing lanes or turning.

In view of this, the main purpose of the present invention is to provide a vehicle rearview mirror blind spot warning device, in order to overcome the limitation of the size and position of the lens of the conventional rearview mirror, which causes the driver to be unable to know the blind spot road conditions through the conventional rearview mirror. problem.

The vehicle rearview mirror blind spot warning device of the present invention includes: A rearview mirror body, including a lens and a blind spot warning light; a blind spot detection unit for generating a blind spot warning signal; and A controller is provided on the rearview mirror body and is electrically connected to the blind spot warning light and the blind spot detection unit. The controller determines whether to control lighting of the blind spot warning light based on the blind spot warning signal.

The vehicle rearview mirror blind spot warning device of the present invention can be used to replace the traditional rearview mirror of the vehicle. Because the lens and the blind spot warning light are both set on the rearview mirror body, the driver can not only see the reflected light in the lens at any time. You can also view the traffic conditions and see whether the blind spot warning light is illuminated at the same time.

The blind spot detection unit actively detects whether there are other objects (such as people or cars) in the blind spot, and sends out a blind spot warning signal when an object is detected in the blind spot. The controller determines whether to control lighting based on the blind spot warning signal. The blind spot warning light. In this way, even if the lens does not show an object entering the blind spot, once the driver sees that the blind spot warning light is on through the rearview mirror body, the driver can also know that there may be an object entering the blind spot, thereby increasing alertness and being more alert. Pay attention to the road conditions behind the vehicle to effectively reduce the risk of danger.

The vehicle rearview mirror blind-spot warning device of the present invention is supplied to a vehicle. The vehicle can be an electric vehicle, a gasoline vehicle (a vehicle using gasoline or diesel as fuel), a gasoline-electric hybrid vehicle, or a motorcycle. , heavy-duty locomotives, cars, passenger cars, trucks, buses, engineering vehicles, etc. It should be noted that the vehicles to which the vehicle rearview mirror blind spot warning device of the present invention is applied are not limited to the above examples.

Please refer to Figures 1 and 2. The embodiment of the vehicle rearview mirror blind spot warning device of the present invention includes a rearview mirror body 10, a blind spot detection unit 20 and a controller 30, wherein the operating power supply of the device of the present invention can be Taken from the vehicle battery or an additional battery.

The rearview mirror body 10 includes a lens 11 and a blind spot warning light 12. The blind spot warning light 12 can be an LED colored light bar. The embodiment of the present invention can be applied to motorcycles, so please refer to Figures 1 and 3. The mirror body 10 may include a hollow tube 13 and a lens holder 14. The lens 11 and the blind spot warning light 12 are disposed on the lens holder 14 and on the same side of the lens holder 14. The lens 11 and the blind spot warning light 12 are arranged on the same side of the lens holder 14. 12 are arranged separately from each other. The hollow tube 13 has a threading space 130. The lens holder 14 is arranged at one end of the hollow tube 13. The other end of the hollow tube 13 is installed at the faucet of the motorcycle. When in use, Please refer to Figure 4, the user can see the scene behind the car through the lens 11. On the other hand, the rearview mirror body 10 is not limited to the left rearview mirror body or the right rearview mirror body. The rearview mirror body 10 of the present invention only takes the left rearview mirror body as an example. The structure of the right rearview mirror body can be And so on.

The blind spot detection unit 20 actively detects whether there are other objects (such as people or cars) in the vehicle's blind spot, and generates a blind spot warning signal S1 when an object is detected. Please refer to Figures 2 and 5. The blind spot detection unit 20 The unit 20 may include a radar detector 21 and/or an ultrasonic detector 22. The radar detector 21 or the ultrasonic detector 22 is provided on the body 41 of the vehicle 40. It should be noted that, The working principles of the radar detector 21 and the ultrasonic detector 22 are common knowledge in the technical field, and there are related products on the market, so the working principles will not be described in detail.

In short, the radar detector 21 can emit a radio wave signal toward the rear of the vehicle 40 , and the radio wave signal can be reflected by objects (such as people and cars). When the radar detector 21 receives a radio wave reflected signal greater than When the threshold value is reached, it represents that the object enters the blind spot of the vehicle 40. At this time, the radar detector 21 can output a signal as the blind spot warning signal S1; the ultrasonic detector 22 can send an ultrasonic signal toward the rear of the vehicle 40, and at the same time Logically speaking, the ultrasonic signal can be reflected by objects (such as people and cars). When an ultrasonic reflection signal received by the ultrasonic detector 22 is greater than a threshold value, it means that the object enters the blind spot of the vehicle 40. At this time The ultrasonic detector 22 can output a signal as the blind zone warning signal S1.

In other embodiments, the blind spot detection unit 20 may also include a driving recorder with a blind spot image recognition function. The blind spot image recognition function is common knowledge in the technical field, and there are also related driving recorder products on the market. Without going into details about its working principle, in short, please refer to Figure 6. The driving recorder may include a camera 23 and a driving recorder host 24 connected to the camera 23. The camera 23 and the driving recorder host 24 may Installed on the body 41 of the vehicle 40, the camera 23 can capture rear driving images of the vehicle 40 and transmit them to the driving recorder host 24. The driving recorder host 24 can store the rear driving images in a memory card or built-in memory.

When the driving recorder host 24 recognizes a blind spot event in the rear driving image, it means that an object enters the blind spot of the vehicle 40. At this time, the driving recorder host 24 can output a signal as the blind spot warning signal S1. On the other hand, when the driving recorder host 24 recognizes the blind spot event, please refer to Figure 7. The technical means adopted by the present invention can also embed a blind spot prompt information into the rear driving image M and store it. The blind spot prompt information can A watermark of pattern or text X1. Therefore, when the user reads the memory card or built-in memory of the driving recorder host 24 through a computer, the rear driving image M has embedded the watermark X1 of the blind spot warning information, which is available for the user to view.

The controller 30 can be a circuit module with a control chip, which is disposed on the rearview mirror body 10 and electrically connected to the blind spot warning light 12 and the blind spot detection unit 20. For example, the controller 30 can be disposed on The lens holder 14 is located on the back of the lens 11. Please refer to FIG. 2. The controller 30 can receive the blind zone warning signal S1 from the blind zone detection unit 20. Therefore, the controller 30 performs the blind zone warning according to the blind zone warning signal S1. Signal S1 determines whether to control lighting of the blind spot warning light 12 . Because the blind spot detection unit 20 is mainly disposed on the vehicle body 41 and is separated from the controller 30 , please refer to FIG. 3 for the physical circuit 131 used to transmit power and electrically connect the controller 30 and the blind spot detection unit 20 . It can be threaded through the threading space 130 of the hollow tube 13 .

In one embodiment, when the controller 30 receives the blind spot warning signal S1, it directly lights the blind spot warning light 12.

In another embodiment, please refer to FIG. 8 , the controller 30 is electrically connected to a direction light 42 . It can be understood that when the rearview mirror body 10 is a left rearview mirror body, the controller 30 is electrically connected to a direction light 42 . The connected blinker 42 is a left blinker; when the rearview mirror body 10 is a right rearview mirror body, the blinker 42 electrically connected to the controller 30 is a right blinker. Generally speaking, when the user operates the direction light button or lever of the vehicle 40, the direction light 42 can receive a control signal and be controlled to flash. In the embodiment of the present invention, the controller 30 can be electrically connected to the The contact of the direction light 42 receives the control signal and uses the control signal as a direction light signal S2. Therefore, in addition to the blind spot warning signal S1, please refer to FIG. 9. The controller 30 further responds to the direction light signal S2. Determine whether to control lighting of the blind spot warning light 12.

As shown in Figure 9, the controller 30 first determines whether the direction light signal S2 is received (step S-01). If not, it means that the user may not have the intention to change lanes or turn. Even if the blind spot warning is received at this time, In response to signal S1, the controller 30 still does not light up the blind spot warning light 12 (step S-02), that is, the blind spot warning light 12 can remain in a dark state; if so, it means that the user may have the intention to change lanes or turn. At this time, the controller 30 further determines whether the blind spot warning signal S1 is received (step S-03).

In step S-03, when the controller 30 determines that the blind spot warning signal S1 is received, that is to say, the controller 30 receives the blind spot warning signal S1 and the turn signal signal S2 at the same time, which means that the user has changed lanes or changed lanes. At the same time, the blind spot detection unit 20 also detects that an object enters the blind spot of the vehicle. At this time, the controller 30 controls the blind spot warning light 12 to light up (step S-04), thereby reminding the user that there may be other objects behind the vehicle. People, vehicles or foreign objects. When the controller 30 determines that the blind spot warning signal S1 has not been received, it means that the blind spot detection unit 20 has not detected an object entering the vehicle's blind spot. At this time, the controller 30 does not light up the blind spot warning light 12, that is, the blind spot The warning light 12 can be kept in a dark state.

To sum up, as shown in Figure 4, the driver can not only see the reflected road scene on the lens 11 at any time, but also check whether the blind spot warning light 12 is lit at the same time, because the blind spot warning light 12 is connected with the blind spot warning light 12. The lens 11 is arranged separately and is not affected by the reflection of the lens 11 . The user can clearly see whether the blind spot warning light 12 is lit from the rearview mirror body 10 . Even if the lens 11 does not show an object entering the blind spot, as long as the driver sees that the blind spot warning light 12 is on, he can know that there may be an object entering the blind spot. On the other hand, the rearview mirror body 10 can be used to replace traditional rearview mirrors of various vehicles, and users do not need to buy a new car. They only need to replace the traditional rearview mirror with the rearview mirror body 10 and install the blind spot detector. By using the measuring unit 20, the blind spot warning function of the present invention can be implemented. Compare the cost of replacing a rearview mirror with the cost of replacing a new car. Since the rearview mirror is only a partial component of the entire vehicle, the cost of replacing the rearview mirror is much lower than the cost of replacing a new car. Therefore, in terms of cost considerations There is a considerable advantage that the present invention can more easily arouse consumers' interest and installation.

10:Rearview mirror body 11: Lenses 12: Blind spot warning light 13:Hollow tube 130:Threading space 131:Physical line 14: Lens holder 20: Blind spot detection unit 21:Radar detector 22: Ultrasonic detector 23:Camera 24: Driving recorder host 30:Controller 40:Vehicle 41: Body 42: Directional light S1: Blind spot warning signal S2: Turn signal X1: Watermark M: rear driving image

Figure 1: A schematic plan view of the vehicle rearview mirror blind spot warning device of the present invention. Figure 2: Circuit block diagram of the vehicle rearview mirror blind spot warning device of the present invention. Figure 3: A schematic cross-sectional view of the vehicle rearview mirror blind spot warning device of the present invention. Figure 4: Schematic diagram of the lens of the vehicle rearview mirror blind spot warning device according to the present invention reflecting the scene behind the vehicle. Figure 5: In the present invention, a top view of the blind spot detection unit installed in the vehicle. Figure 6: A schematic top view of another embodiment of the blind spot detection unit installed in the vehicle according to the present invention. Figure 7: In the present invention, a schematic diagram of embedding a watermark of blind spot reminder information in the rear driving image. Figure 8: A circuit block diagram of another embodiment of the vehicle rearview mirror blind spot warning device of the present invention. Figure 9: Schematic diagram of the control flow of the vehicle rearview mirror blind spot warning device of the present invention.

10:Rearview mirror body

11: Lenses

12: Blind spot warning light

13:Hollow tube

14: Lens holder

Claims (10)

A vehicle rearview mirror blind spot warning device, including: A rearview mirror body, including a lens and a blind spot warning light; a blind spot detection unit for generating a blind spot warning signal; and A controller is provided on the rearview mirror body and is electrically connected to the blind spot warning light and the blind spot detection unit. The controller determines whether to control lighting of the blind spot warning light based on the blind spot warning signal. The vehicle rearview mirror blind spot warning device as claimed in claim 1, wherein the rearview mirror body includes a lens holder, the lens and the blind spot warning light are arranged on the lens holder, and the lens and the blind spot warning light are separated from each other settings. The vehicle rearview mirror blind spot warning device as claimed in claim 1, wherein the blind spot detection unit includes a radar detector, the radar detector is arranged on a vehicle body and emits a radio wave signal toward the rear of the vehicle; when the When a radio wave reflection signal received by the radar detector is greater than a threshold value, the blind zone warning signal is output to the controller. The vehicle rearview mirror blind spot warning device as claimed in claim 1, wherein the blind spot detection unit includes an ultrasonic detector, and the ultrasonic detector is arranged on a vehicle body and emits an ultrasonic signal toward the rear of the vehicle. ; When an ultrasonic reflection signal received by the ultrasonic detector is greater than a threshold, the blind zone warning signal is output to the controller. The vehicle rearview mirror blind spot warning device as described in claim 1, wherein the blind spot detection unit includes a driving recorder with a blind spot image recognition function, and the driving recorder outputs the blind spot warning when a blind spot event is recognized. signal to the controller. The vehicle rearview mirror blind spot warning device as described in claim 5, wherein when the driving recorder recognizes the blind spot event, a blind spot reminder information is embedded into the driving image and stored. The vehicle rearview mirror blind spot warning device as described in any one of claims 1 to 6, wherein the controller directly lights the blind spot warning light when receiving the blind spot warning signal. The vehicle rearview mirror blind spot warning device according to any one of claims 1 to 6, wherein the controller is electrically connected to a direction light, and further determines whether to control the point according to a direction light signal corresponding to the direction light. Turn on the blind spot warning light. The vehicle rearview mirror blind spot warning device as claimed in claim 8, wherein when the controller receives the blind spot warning signal and the direction light signal at the same time, the blind spot warning light is illuminated. The vehicle rearview mirror blind spot warning device as claimed in claim 9, wherein when the controller receives the blind spot warning signal but does not receive the direction light signal, the blind spot warning light is not illuminated.

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