TW201912471A - Anti-collision system, method and vehicle with the anti-collision system - Google Patents

Abstract

An anti-collision system is applied to a vehicle. The anti-collision system includes a sensing unit and a control unit. The sensing unit is electrically connected to the control unit. The sensing unit comprises a plurality of sensors. The sensors sense whether there is an obstacle in a detection area and output an induction signal. The control unit receives the induction signal and issues a lock door signal to lock a door of the vehicle when it detects an operation that opens the door and determines that there is an obstacle in the detection area based on the induction signal.

Description

Collision avoidance system, method and vehicle having the same

The present invention relates to a collision avoidance system, method and vehicle having the same.

At present, the number of family cars is increasing, and road traffic is becoming more and more complicated. Therefore, when the car is parked on the road, the doors on both sides are often opened because the car is not viewed from the left and right rear, and the vehicles or pedestrians on both sides are hit by the dodge. The situation of the door, which in turn damages the vehicle, also harms the personal safety of the vehicle occupants and pedestrians.

In view of the above, it is desirable to provide an anti-collision system, method, and vehicle having the same.

An anti-collision system is applied to a vehicle, the anti-collision system includes a sensing unit and a control unit, the sensing unit is electrically connected to the control unit, and the sensing unit includes a plurality of inductors, and the plurality of sensors are used Detecting whether there is an obstacle in the detection range, and outputting a corresponding sensing signal, the control unit receiving the sensing signal, and detecting that there is an action to open the door and determining the detection range according to the sensing signal When there is an obstacle, the door signal is unlocked to lock the door.

A vehicle comprising an anti-collision system as described above.

An anti-collision method is applied to a vehicle, the method includes: detecting an obstacle in a detection range when detecting an action of opening a door; and locking the door when determining that an obstacle exists in the detection range And issue a warning signal; when there is no obstacle in the detection range, open the door.

The above-mentioned collision avoidance system can prevent obstacles from being opened when the door is opened by mounting a plurality of sensors on the vehicle for obstacle detection, and has a simple structure.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

It should be noted that when an element is referred to as being "electrically connected" to another element, it can be directly on the other element or the element can be present. When an element is considered to be "electrically connected" to another element, it can be a contact connection, for example, a wire connection or a non-contact connection, for example, a non-contact coupling.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to the invention. The terminology used in the description of the present invention is for the purpose of describing particular embodiments, and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The features of the embodiments and examples described below may be combined with each other without conflict.

Please refer to FIG. 1 , which is a block diagram of an anti-collision system 100 according to an embodiment of the present invention. The collision avoidance system 100 is applied to a vehicle 200 (see FIG. 2) for monitoring obstacles around the vehicle 200 to achieve collision avoidance. In the present embodiment, the vehicle 200 includes at least a left rear view mirror 201, a right rear view mirror 203, and a rear bumper 205.

The collision avoidance system 100 includes a sensing unit 102, a control unit 104, and an alert unit 106. The sensing unit 102 and the alert unit 106 are both electrically connected to the control unit 104.

Referring to FIG. 2, the sensing unit 102 includes a plurality of sensors. The plurality of sensors may be installed at different positions in front of and behind the vehicle 200 for sensing whether there is an obstacle within the detection range around the vehicle 200. In the embodiment, the sensing unit 102 includes four inductors, that is, a first inductor 1021, a second inductor 1023, a third inductor 1025, and a fourth inductor 1027. It can be understood that the first sensor 1021, the second sensor 1023, the third sensor 1025, and the fourth sensor 1027 have a certain detection range, for example, the detection range is a sector area for detecting Obstacle sensing is performed within the measurement range. Specifically, the first sensor 1021 is mounted on the left rear view mirror 201 of the vehicle 200 for sensing whether the first detection range T1, that is, an obstacle behind the left rear view mirror 201, and transmitting the sensing signal to the Control unit 104. The second sensor 1023 is mounted on the right rear view mirror 203 of the vehicle 200 for sensing whether the second detection range T2, that is, an obstacle behind the right rear view mirror 203, and transmitting the sensing signal to the control unit 104. . The third sensor 1025 and the fourth sensor 1027 are respectively mounted on the left and right sides of the rear bumper 205 of the vehicle, and are used to sense whether there is an obstacle behind the rear bumper 205 in the third detection range T3, and The sensing signal is transmitted to the control unit 104.

The sensor of the sensing unit 102 can be a radar sensor, an image sensor, or a combination of the two. For example, in the embodiment, the first sensor 1021 and the second sensor 1023 are both image sensors. The third inductor 1025 and the fourth inductor 1027 are both radar sensors. The first sensor 1021 and the second sensor 1023 are configured to capture an optical environment image of the first detection range T1 and the second detection range T2, such as the rear and rear right of the left rear view mirror 201 of the vehicle 200. The optical environment image behind the mirror 203 is sent to the control unit 104. The control unit 104 analyzes the sensing signals received from the first sensor 1021 and the second sensor 1023, such as the sensing signals carrying the optical environment image, to determine the first sensor 1021 and the second sensor. Whether there is an obstacle in the first detection range T1 and the second detection range T2 of 1023. The third sensor 1025 and the fourth sensor 1027 are configured to transmit a radar signal and receive a reflected radar signal in a third detection range T3 thereof, and process the received radar signal, for example, mixing and frequency reducing. It is then sent to the control unit 104. The control unit 104 processes the sensing signals received from the third sensor 1025 and the fourth sensor 1027, such as the radar signal, to determine the third sensor 1025 and the fourth sensor 1027 according to the sensing signal. Whether there is an obstacle in the third detection range T3.

In another embodiment, the control unit 104 further determines whether the obstacle is approaching the vehicle 200 according to the sensing signal. Specifically, the control unit 104 performs analysis according to the sensing signals received from the first sensor 1021 and/or the second sensor 1023 carrying the optical environment image, and captures the optical environment image at intervals. If the image of the obstacle is getting larger and larger, the obstacle is judged to be approaching the vehicle 200. The control unit 104 determines the distance change between the obstacle and the vehicle 200 according to the transmitted radar signal and the received radar signal and the time of transmitting and receiving the radar signal. If the distance is smaller, the obstacle is being determined. Approaching the vehicle 200.

It can be understood that, in this embodiment, the anti-collision system 100 can utilize an existing image sensor mounted on the left rear view mirror 201 and the right rear view mirror 203, and is installed behind the rear bumper 205. The lower cost radar sensor eliminates the need for additional sensors to effectively reduce the cost of the collision avoidance system 100. Of course, it can be understood that the sensing unit 102 is not limited to the above configuration, and may also adopt different configurations according to specific requirements, for example, the sensor is disposed at other positions of the vehicle 200, and only needs to be ensured. The sensing unit 102 can effectively monitor whether there is an obstacle in the detection range around the vehicle 200.

It can be understood that the control unit 104 is configured to receive the sensing signal of the sensing unit 102, for example, from at least one of the first sensor 1021, the second sensor 1023, the third sensor 1025, and the fourth sensor 1027. The sensing signal and determining whether there is an obstacle in the detection range according to the received sensing signal. When the control unit 104 determines that there is an obstacle in the detection range according to the sensing signal, the control unit 104 issues a locking door signal to lock the door to prevent the user from opening the door. The control unit 104 further activates the alert unit 106 to issue an alert signal to alert the user and/or surrounding personnel of the vehicle. In the embodiment, the warning unit 106 can issue a warning signal to alert the user by using one or a combination of the following warning modes, and the warning mode includes at least controlling the alarm sound and control in the vehicle. The brake light flashes. When the control unit 104 determines that there is no obstacle in the detection range according to the sensing signal, the control unit 104 sends a door opening signal to open the door in response to the user opening the door.

It can be understood that, in other embodiments, in addition to determining whether there is an obstacle in the detection range, the control unit 104 further determines whether the obstacle is approaching the vehicle 200 according to the sensing signal. When the control unit 104 determines that an obstacle is approaching the vehicle 200 within the detection range, the control unit 104 issues a lock door signal and activates the warning unit 106. When the control unit 104 determines that there is no obstacle or obstacle in the detection range and does not approach the vehicle 200, the control unit 104 issues a door opening signal to open the door in response to the user opening the door.

Referring to FIG. 3, an embodiment of the present invention is applied to the collision avoidance method of the collision avoidance system 100, and includes the following steps:

In step S1, it is detected whether the door is to be opened. When it is detected that there is an action to open the door, step S2 is performed. If no, continue with S1.

In the present embodiment, it is detected by the control unit 104 whether the door of the vehicle 200 is about to be opened. Specifically, the door of the vehicle 200 is provided with a door opening switch, and when the door opening switch is in an open state, the door opening signal is transmitted to the control unit 104, when the control unit 104 receives the door opening signal. Then, it is judged that there is an action to open the door.

In step S2, it is sensed whether there is an obstacle in the detection range. If yes, go to step S3, if no, go to step S5.

Specifically, the control unit 104 activates the sensing unit 102, and the sensing unit 102 senses the detection range and transmits the sensing signal to the control unit 104.

The control unit 104 determines whether there is an obstacle in the detection range according to the sensing signal.

When the control unit 104 determines that there is an obstacle in the detection range according to the received sensing signal, it indicates that there is an obstacle on the left, right, or/and the rear of the vehicle 200. When the control unit 104 determines that there is no obstacle in the detection range according to the received sensing signal, it indicates that the left, right, and rear sides of the vehicle 200 are free of obstacles.

In another embodiment, when the control unit 104 determines that there is an obstacle in the detection range, it further determines whether the obstacle is approaching the vehicle 200 according to the sensing signal. If yes, go to step S3, otherwise go to step S5.

In step S3, the door is locked. In this embodiment, the control unit 104 issues a locked door signal to prevent the user from opening the door.

In step S4, the alert unit 106 is activated, and the alert unit sends an alert signal, and then returns to step S2.

Specifically, the alert unit 106 can issue a warning signal to alert the user by using one or a combination of the following warning modes, and the alert mode includes at least controlling the in-vehicle warning sound and controlling the brake light. The user is prompted by flashing.

In step S5, the door is opened. The control unit 104 issues a door opening signal to open the door in response to the user opening the door.

Obviously, the anti-collision system 100 of the present invention can perform obstacle sensing by mounting a plurality of sensors on at least two different positions in front of and behind the vehicle 200, and the detection range covers the left, right, and rear sides of the vehicle. Effectively prevents collisions when the door is opened. In addition, the anti-collision system 100 can directly use the existing image sensors installed on the left rear view mirror 201 and the right rear view mirror 203, and install a lower cost radar sensor behind the rear bumper 205. Therefore, there is no need to additionally provide other sensors, which can effectively reduce the cost of the collision avoidance system 100 and has a simple structure.

The above embodiments are only intended to illustrate the technical solutions of the present invention and are not intended to be limiting, and the present invention will be described in detail with reference to the preferred embodiments. Without departing from the spirit and essence of the technical solutions of the present invention.

100‧‧‧ collision avoidance system

200‧‧‧ Vehicles

102‧‧‧Sensor unit

104‧‧‧Control unit

106‧‧‧Warning unit

201‧‧‧ left rearview mirror

203‧‧‧Right rearview mirror

205‧‧‧ rear bumper

1021‧‧‧First sensor

1023‧‧‧Second sensor

1025‧‧‧ third sensor

1027‧‧‧fourth sensor

T1‧‧‧ first detection range

T2‧‧‧second detection range

T3‧‧‧ third detection range

1 is a block diagram of a preferred embodiment of a collision avoidance system of the present invention. 2 is a schematic diagram of an application environment of the collision avoidance system shown in FIG. 1. 3 is a flow chart of a preferred embodiment of the collision avoidance method of the present invention.

no

Claims (13)

An anti-collision system applied to a vehicle, wherein the anti-collision system comprises: a sensing unit and a control unit, the sensing unit is electrically connected to the control unit, the sensing unit comprises a plurality of inductors, The plurality of sensors are configured to sense whether there is an obstacle in the detection range, and output a corresponding sensing signal, the control unit receives the sensing signal, and detects that there is an action to open the door and determines according to the sensing signal When there is an obstacle in the detection range, the door signal is unlocked to lock the door. The collision avoidance system of claim 1, wherein the plurality of sensors are any one or a combination of a radar sensor and an image sensor. According to the anti-collision system of claim 1, wherein each of the sensors has a corresponding detection range, and each of the sensors senses whether the corresponding detection range has an obstacle, and corresponding The sensing signal is transmitted to the control unit. The anti-collision system of claim 1, wherein when the control unit determines that there is an obstacle in the detection range, further determining whether the obstacle is approaching according to the sensing signal, when the control unit determines the obstacle When the object is approaching, the control unit issues a lock door signal to lock the door. When the control unit determines that the obstacle is not approaching, the control unit issues a door open signal to open the door in response to the action of opening the door. The anti-collision system of claim 1, wherein the anti-collision system further comprises an alerting unit, and when the control unit determines that there is an obstacle in the detecting range, the control unit activates the alerting unit to issue Warning signal. The anti-collision system of claim 5, wherein the warning unit can issue a warning signal by using one or a combination of the following warning modes, the warning manner includes controlling the alarm sounding and control in the vehicle. The brake light flashes. The anti-collision system of claim 1, wherein the control unit detects the action of opening the door and determines that there is no obstacle in the detection range according to the sensing signal, The control unit sends a door open signal to open the door in response to the action of opening the door. A vehicle is improved in that the vehicle includes the collision avoidance system according to any one of claims 1 to 7. The vehicle of claim 8, wherein the sensing unit comprises a first inductor, a second inductor, a third inductor, and a fourth inductor, the first inductor being mounted to the left rear view of the vehicle Mirror, for sensing whether there is an obstacle behind the left rear view mirror, the second sensor is mounted on the right rear view mirror of the vehicle, and is used for sensing whether there is an obstacle behind the right rear view mirror, the third sensor And the fourth inductors are respectively mounted on the left and right sides of the rear bumper of the vehicle for sensing whether there is an obstacle behind the rear bumper. The vehicle of claim 8, wherein the control unit detects whether a door of the vehicle is about to be opened, the door is provided with a door open switch, and when the door open switch is in an open state, the door is transferred The opening signal is sent to the control unit, and when the control unit receives the door opening signal, it is determined that the opening of the door is actuated. An anti-collision method is applied to a vehicle, and the improvement comprises the following steps: when detecting an action to open the door, detecting whether there is an obstacle in the detection range; when judging that there is an obstacle in the detection range , lock the door and issue a warning signal; when it is judged that there is no obstacle in the detection range, open the door. According to the anti-collision method of claim 11, wherein when it is determined that there is an obstacle in the detection range, it is further determined whether the obstacle is approaching the vehicle, and if so, the door is locked and a warning signal is issued, otherwise the alarm is turned on. Car door. The anti-collision method according to claim 11, wherein the warning signal is sent by any one or a combination of the following warning modes, including controlling the in-vehicle warning sound and controlling the brake light. flicker.