CN113815548A - System and method for preventing accidental collision when passengers get off and open doors - Google Patents
System and method for preventing accidental collision when passengers get off and open doors Download PDFInfo
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- CN113815548A CN113815548A CN202110735559.9A CN202110735559A CN113815548A CN 113815548 A CN113815548 A CN 113815548A CN 202110735559 A CN202110735559 A CN 202110735559A CN 113815548 A CN113815548 A CN 113815548A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
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Abstract
The invention discloses a system and a method for preventing accidental collision when a passenger gets off and opens a door. It includes the car external collision prevention process: after the vehicle is started, the form of the external early warning roadblock is set, and when the vehicle speed is less than or equal to a first set value, the set early warning roadblock is projected on the ground at the rear side of the vehicle, so that moving pedestrians and vehicles at the rear side of the vehicle are reminded to avoid. The method for early warning outside and in the vehicle can effectively avoid the risk that the door of the passenger is opened to collide with moving sources such as pedestrians, bicycles, electric vehicles and the like behind the vehicle when the passenger gets off the vehicle, and greatly reduces the occurrence of traffic accidents.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a system and a method for preventing accidental collision when a passenger gets off and opens a door.
Background
When a vehicle stops, accidents of casualties caused by collision of bicycles and electric vehicles on vehicle doors in the process of side and rear driving caused by getting off and opening of the doors of passengers are frequent.
CN108583427A discloses a passenger car safety coefficient that traveles, the system is equipped with the camera of gathering vehicle place ahead and/or rear image information, be equipped with gather the radar unit of obstacle distance and speed information all around, acquire the throttle sensor of vehicle throttle and step on degree of depth information, acquire the brake sensor of vehicle brake and step on degree of depth information, camera, radar unit, throttle sensor, brake sensor output the information of acquireing to vehicle control unit, vehicle control unit connects the memory that stores the accident alarm threshold value table, vehicle control unit output alarm signal to the speech unit. The scheme can prevent the danger in the bud, and the vehicle can early warn the crisis in advance through the establishment and sharing of the database, but only monitors the danger in the driving process of the vehicle, and avoids the danger possibly existing when passengers get off the vehicle after the vehicle stops.
CN101801729B discloses a vehicular self-sensor system, which includes an object detection sensor 4 and a controller part 7, wherein the object detection part sensor 4 is provided on a door mirror 2, and includes: a parking space area search mode for searching for an object extending laterally from the vehicle 14, and a vehicle monitoring mode for searching for an object rearward of the vehicle 14 due to folding of the door mirror 2, wherein the control unit drives the object detection sensor 4 when the vehicle 14 travels at a vehicle speed equal to or less than a predetermined value, and causes the search frequency of the object detection sensor 4 in the parking space area search mode to be higher than the search frequency in the vehicle monitoring mode. The scheme is the optimization of a vehicle radar system and does not relate to the avoidance of the getting-off danger of passengers during parking.
Disclosure of Invention
The present invention is directed to solve the above-mentioned drawbacks of the prior art, and provides a system and a method for preventing accidental collision when a passenger gets off a vehicle and opens a door.
The technical scheme adopted by the invention is as follows: an accidental collision prevention system for getting off and opening of a passenger door comprises
The input setting module is used for setting the form of the external early warning roadblock and sending the form to the projection module;
the control module is used for sending a projection signal to the projection module when the vehicle speed is less than or equal to a first set value;
and the projection module is used for projecting the set early warning roadblock on the ground behind the side of the vehicle when receiving the projection signal.
Further comprises an early warning display module, a first image acquisition module and a door lock control module,
the input setting module is also used for setting the form of the in-vehicle early warning image and sending the in-vehicle early warning image to the early warning display module;
the control module is used for sending an early warning display signal to the early warning display module and sending an acquisition signal to the first image acquisition module when the vehicle speed is less than or equal to a second set value; the device is used for judging whether the passenger finishes head twisting observation of the situation of the side rear part of the vehicle or not according to the head action image of the passenger, if so, sending an unlocking signal to the door lock control module, and if not, sending a locking signal to the door lock control module;
the early warning display module is used for displaying a set early warning image on the vehicle door glass when receiving an early warning display signal;
the first image acquisition module is used for acquiring the head action image of the passenger and sending the head action image to the control module when receiving an acquisition signal;
the door lock control module is used for unlocking the vehicle door or locking the vehicle door.
Further, the device also comprises a second image acquisition module,
the input setting module is also used for setting the function of actively identifying the dangerous source and sending an identification signal to the control module;
after receiving the identification signal, the control module sends an acquisition signal to the second image acquisition module when the vehicle speed is less than or equal to a third set value; the system comprises a vehicle side and rear road surface image acquisition module, a danger source display module and a first image acquisition module, wherein the vehicle side and rear road surface image acquisition module is used for acquiring a road surface image of a vehicle side and rear road surface;
the second image acquisition module is used for acquiring the road surface image at the side and rear of the vehicle and sending the road surface image to the control module when receiving the acquisition signal
And the early warning display module is used for displaying a graph corresponding to the danger source on the vehicle door glass when receiving the danger source display signal.
A passenger getting-off door opening accidental collision prevention method comprises an outside collision prevention process: after the vehicle is started, the form of the external early warning roadblock is set, and when the vehicle speed is less than or equal to a first set value, the set early warning roadblock is projected on the ground at the rear side of the vehicle, so that moving pedestrians and vehicles at the rear side of the vehicle are reminded to avoid.
Further, the early warning roadblock is an obstacle formed by arranging a plurality of three-dimensional structures in any mode.
Further, the method also comprises an active collision prevention process of the user in the vehicle: after the vehicle is started, the form of the early warning image in the vehicle is set, and when the vehicle speed is less than or equal to a second set value, the set early warning image is displayed on the door glass to remind passengers of paying attention to moving pedestrians and vehicles behind and beside the vehicle.
And further, after the early warning image is displayed, acquiring a head action image of the passenger, judging whether the passenger finishes twisting to observe the lateral rear condition of the vehicle according to the acquired image, controlling the vehicle door to unlock if the passenger finishes twisting to observe the lateral rear condition of the vehicle, and locking the vehicle door if the passenger does not finish twisting to observe the lateral rear condition of the vehicle until the vehicle door is unlocked.
Further, the early warning image is any one of a pedestrian, an electric vehicle, a bicycle and a motor vehicle.
Further, the method also comprises an in-vehicle active recognition collision prevention process: and after the vehicle is started, setting an active danger source identification option, acquiring a road surface image at the side rear part of the vehicle when the vehicle speed is less than or equal to a third set value, judging whether a danger source approaches the vehicle according to the acquired road surface image, and displaying a graph corresponding to the danger source on the door glass if the danger source approaches the vehicle to remind passengers of paying attention to the danger source at the side rear part of the vehicle.
Furthermore, after the graph of the hazard source is displayed, the head action image of the passenger is collected, whether the passenger finishes twisting to observe the lateral rear condition of the vehicle is judged according to the collected image, if the passenger finishes twisting to observe the lateral rear condition of the vehicle, the vehicle door is controlled to be unlocked, and if the passenger does not finish twisting to observe the lateral rear condition of the vehicle, the vehicle door is locked until the passenger finishes twisting to observe the lateral rear condition of the vehicle and then unlocks the vehicle door.
The invention has the beneficial effects that:
the invention adds two parts of the early warning outside the vehicle and the early warning inside the vehicle on the basis of the existing vehicle body control system of the vehicle, wherein the early warning outside the vehicle aims at pedestrians and riders behind the vehicle, when the vehicle stops and the passengers get off the vehicle, the stereo roadblock image is projected on the ground behind the side of the vehicle, and the pedestrians and the riders behind the side of the vehicle reduce the speed to avoid the stereo roadblock image after seeing the stereo roadblock image, thereby avoiding colliding with the vehicle door opened by the vehicle in front. The in-vehicle early warning is specific to passengers in the vehicle, the early warning information of pedestrians and riders behind the vehicle, which please pay attention to when the passengers get off, is displayed on the door glass before the passengers get on the vehicle when the vehicle stops, after the early warning information is seen, the passengers on the vehicle actively confirm whether the pedestrians or the riders are close to the rear part of the vehicle, and the passengers open the door to get off the vehicle after confirming that no danger exists; meanwhile, the head motion monitoring camera captures the head motion of passengers in the vehicle, and the vehicle door is allowed to be opened under the condition that the passengers on the vehicle confirm that no danger exists at the side rear part of the vehicle.
The method for early warning outside and in the vehicle can effectively avoid the risk that the door of the passenger is opened to collide with moving sources such as pedestrians, bicycles, electric vehicles and the like behind the vehicle when the passenger gets off the vehicle, and greatly reduces the occurrence of traffic accidents.
Drawings
Fig. 1 is a schematic diagram of a system composition principle of embodiment 1 of the present invention.
Fig. 2 is a wiring schematic diagram of embodiment 1 of the present invention.
Fig. 3 is a first schematic view of the pre-warning barrier of the present invention.
Fig. 4 is a second schematic view of the pre-warning barrier of the present invention.
Fig. 5 is a third schematic view of the pre-warning barrier of the present invention.
Fig. 6 is a first schematic diagram of an early warning image according to the present invention.
Fig. 7 is a second schematic diagram of the warning image according to the present invention.
Fig. 8 is a third schematic diagram of the warning image according to the present invention.
Fig. 9 is a projection schematic view of the road surface early warning roadblock outside the vehicle.
Fig. 10 is a diagram showing an example of the warning image display of the door glass according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention provides a system for preventing accidental collision when passengers get off and open a door, which comprises
The input setting module is used for setting the form of the external early warning roadblock and sending the form to the projection module;
the control module is used for sending a projection signal to the projection module when the vehicle speed is less than or equal to a first set value;
and the projection module is used for projecting the set early warning roadblock on the ground behind the side of the vehicle when receiving the projection signal.
The invention reminds moving pedestrians and vehicles behind and beside the vehicle of avoiding in a road surface projection roadblock mode, and has convenient realization and high reliability.
In the scheme, the intelligent door lock further comprises an early warning display module, a first image acquisition module and a door lock control module,
the input setting module is also used for setting the form of the in-vehicle early warning image and sending the in-vehicle early warning image to the early warning display module;
the control module is used for sending an early warning display signal to the early warning display module and sending an acquisition signal to the first image acquisition module when the vehicle speed is less than or equal to a second set value; the device is used for judging whether the passenger finishes head twisting observation of the situation of the side rear part of the vehicle or not according to the head action image of the passenger, if so, sending an unlocking signal to the door lock control module, and if not, sending a locking signal to the door lock control module;
the early warning display module is used for displaying a set early warning image on the vehicle door glass when receiving an early warning display signal;
the first image acquisition module is used for acquiring the head action image of the passenger and sending the head action image to the control module when receiving an acquisition signal;
the door lock control module is used for unlocking the vehicle door or locking the vehicle door.
The invention arranges the collision prevention system outside the vehicle and also arranges the collision prevention system inside the vehicle, and the reliability of avoiding the risk of collision with the moving source at the side rear of the vehicle when the door is opened is higher through the matching of the system outside the vehicle and the system inside the vehicle.
In the scheme, the device also comprises a second image acquisition module,
the input setting module is also used for setting the function of actively identifying the dangerous source and sending an identification signal to the control module;
after receiving the identification signal, the control module sends an acquisition signal to the second image acquisition module when the vehicle speed is less than or equal to a third set value; the system comprises a vehicle side and rear road surface image acquisition module, a danger source display module and a first image acquisition module, wherein the vehicle side and rear road surface image acquisition module is used for acquiring a road surface image of a vehicle side and rear road surface;
the second image acquisition module is used for acquiring the road surface image at the side and rear of the vehicle and sending the road surface image to the control module when receiving the acquisition signal
And the early warning display module is used for displaying a graph corresponding to the danger source on the vehicle door glass when receiving the danger source display signal.
Besides passively observing the moving source at the side and the rear of the vehicle, the invention can actively observe whether a dangerous source exists at the side and the rear of the vehicle, thereby further improving the reliability of avoiding collision risks.
Based on the accidental collision prevention system, the invention also provides a method for preventing accidental collision when a passenger gets off or opens a door, which comprises the following steps: after the vehicle is started, the form of the external early warning roadblock is set, and when the vehicle speed is less than or equal to a first set value, the set early warning roadblock is projected on the ground at the rear side of the vehicle, so that moving pedestrians and vehicles at the rear side of the vehicle are reminded to avoid. The early warning barricade is an obstacle formed by arranging a plurality of three-dimensional structures in any one way, as shown in fig. 3-5.
In the above scheme, the method further comprises an active collision prevention process of the user in the vehicle: after the vehicle is started, the form of the early warning image in the vehicle is set, and when the vehicle speed is less than or equal to a second set value, the set early warning image is displayed on the door glass to remind passengers of paying attention to moving pedestrians and vehicles behind and beside the vehicle. After the early warning image is displayed, the head action image of the passenger is collected, whether the passenger finishes twisting to observe the lateral rear condition of the vehicle is judged according to the collected image, if the passenger finishes twisting to observe the lateral rear condition of the vehicle, the vehicle door is controlled to be unlocked, if the passenger does not finish twisting to observe the lateral rear condition of the vehicle, the vehicle door is locked, and the vehicle door is unlocked until the passenger finishes twisting to observe the lateral rear condition of the vehicle, wherein the early warning image can be any one of pedestrians, electric vehicles, bicycles and motor vehicles, as shown in fig. 6-8.
In the above scheme, still include the interior initiative discernment collision prevention process of car: and after the vehicle is started, setting an active danger source identification option, acquiring a road surface image at the side rear part of the vehicle when the vehicle speed is less than or equal to a third set value, judging whether a danger source approaches the vehicle according to the acquired road surface image, and displaying a graph corresponding to the danger source on the door glass if the danger source approaches the vehicle to remind passengers of paying attention to the danger source at the side rear part of the vehicle. After the graph of the hazard source is displayed, the head action image of the passenger is collected, whether the passenger finishes twisting to observe the lateral rear condition of the vehicle is judged according to the collected image, if the passenger finishes twisting to observe the lateral rear condition of the vehicle, the vehicle door is controlled to be unlocked, if the passenger does not finish twisting to observe the lateral rear condition of the vehicle, the vehicle door is locked, and the vehicle door is unlocked until the passenger finishes twisting to observe the lateral rear condition of the vehicle. The first set value, the second set value and the third set value can be calibrated according to requirements, and the first set value, the second set value and the third set value can be the same or different.
Example 1:
as for the above-mentioned accidental collision prevention system, the present embodiment will be described in detail with reference to specific control systems and components on the vehicle, as shown in fig. 1.
1-BCM: corresponding to the control module, hardware interfaces of four glass early warning units of the in-vehicle early warning system are added on the basis of the existing vehicle BCM; the software is correspondingly changed and adjusted, and the realization of the early warning function outside the vehicle and the early warning function inside the vehicle is increased.
2-stop lamp switch: the brake lamp switch of the existing vehicle configuration does not need to be changed.
3-left projector: the newly-added equipment of the vehicle exterior early warning system is arranged on a left exterior rear-view mirror of the vehicle, is connected with the MP5 and is responsible for projecting a three-dimensional roadblock figure preset in the MP5 on the ground behind the left side of the vehicle. A camera is integrated on the projector and used for shooting the road condition behind the vehicle.
4-right projector: the newly-added equipment of the vehicle exterior early warning system is arranged on a right exterior rearview mirror of the vehicle, is connected with the MP5 and is responsible for projecting a three-dimensional roadblock figure preset in the MP5 on the ground behind the right side of the vehicle. A camera is integrated on the projector and used for shooting the road condition behind the vehicle. The left projector and the right projector correspond to the projection module. Cameras integrated on the left projector and the right projector are used as the two image acquisition modules.
5-left front door lock: the existing door lock configured for the vehicle does not need to be changed.
6-right front door lock: the existing door lock configured for the vehicle does not need to be changed.
7-left rear door lock: the existing door lock configured for the vehicle does not need to be changed.
8-right rear door lock: the existing door lock configured for the vehicle does not need to be changed.
9-left front door glass early warning unit: the newly-added equipment of the in-vehicle early warning system is a group of LED light sources which are embedded in the left front door glass to form a specific early warning image, and the special early warning image is connected with the BCM and can be lightened into various early warning images under the driving of the BCM.
10-right front door glass early warning unit: the new added equipment of the in-vehicle early warning system is a group of LED light sources, is embedded in the right front door glass to form a specific early warning image, is connected with the BCM and can be lightened into various early warning images under the driving of the BCM.
11-left rear door glass pretensioning unit: the newly-added equipment of the in-vehicle early warning system is a group of LED light sources which are embedded in the left back door glass to form a specific early warning image, is connected with the BCM and can be lightened into various early warning images under the driving of the BCM.
12-right back door glass early warning unit: the new added device of the in-vehicle early warning system is a group of LED light sources which are embedded in the right back door glass to form a specific early warning image, and the device is connected with the BCM and can be lightened into various early warning patterns under the driving of the BCM, and the forms are shown in FIGS. 6-8.
The four glass early warning units correspond to the early warning display module and the displayed early warning graph
13-MP 5: on the basis of the existing vehicle MP5, hardware interfaces of a left projector, a right projector and a left front/right front/left back/right back passenger head action monitoring camera of the external early warning system are added, software is correspondingly changed and adjusted, the functions of the external early warning system and the functions of the internal early warning system are added, the three-dimensional roadblock graph projected on the ground by the external early warning system can be various, and various graph schemes are also preset in the MP 5.
14-display screen: according to the display screen of the existing vehicle type, a user can set a lighting scheme of a vehicle window early warning unit of the road block pattern type in-vehicle early warning system projected by the vehicle external early warning system on the ground at the side rear part of the vehicle through the display screen. The user's personalized setting of the graphics is performed through the user setting function of the MP5, although it is performed on the display screen. The user's choice of the early warning scheme is set just like setting other vehicle parameters. The MP5 and the display screen correspond to the input setting module.
15-left front passenger head action monitoring camera: for monitoring the head movements of the driver.
16-right front passenger head action monitoring camera: for monitoring the head movements of the passenger.
17-left rear passenger head action monitoring camera: for monitoring the head motion of the left rear seat occupant.
18-right back passenger head action surveillance camera: for monitoring the head movements of the right rear seat occupant. The four monitoring cameras are corresponding to the first image acquisition module.
The system schematic diagram of the system is shown in fig. 2, and the wiring principle of the added part of the system will be described in detail with reference to fig. 2.
1. The power supply of the left front door/left rear door/right front door/right rear door glass early warning unit is provided by a whole vehicle B +, and is driven by the BCM low-side output. The LED lighting module of the glass early warning unit can have multiple lighting schemes, and each lighting scheme is provided with one path of low-side output by the BCM. Which scheme is lighted is set by a user through a display screen at the background of the MP5, the MP5 sends the setting of the user to the CAN, and the BCM receives the setting information of the user through the CAN and drives the glass early warning unit to execute.
2. The power supply of the left/right projector is provided by the whole vehicle B +, and is connected with the MP5 through an LVDS cable for transmitting projection contents.
3. The left front/right front/left rear/right rear passenger head motion monitoring camera is connected with the MP5 through a coaxial cable or a shielded wire, and transmits a lock shooting picture to the MP 5.
Example 2:
the method for realizing the functions of the system is described in detail below with reference to fig. 1, fig. 2, fig. 9 and fig. 10, the system of the invention is divided into two parts of an outside-vehicle prevention system and an inside-vehicle early warning system, and the methods for realizing the functions of the two parts are described below respectively.
The function realization logic of the external prevention system is as follows:
firstly, igniting and starting a vehicle;
secondly, finding a setting function on a central control display screen, and setting an external early warning system roadblock option as a triangular three-dimensional roadblock option (a plurality of options can be selected and set);
driving the vehicle to normally run on the road surface after the setting is finished;
fourthly, stepping down the brake to start deceleration;
detecting a brake signal from the whole vehicle CAN network by the MP5, and starting to monitor the vehicle speed;
sixthly, when the vehicle speed is less than or equal to 5km/h, the MP5 drives the projector to work, and a triangular three-dimensional roadblock is projected on the ground behind the side of the vehicle (as shown in figure 9);
and seventhly, the pedestrians, bicycle riders and electric vehicles behind the side and the rear of the vehicle ride and see obstacles projected on the road surface, and the vehicle is decelerated and parked to avoid the obstacles.
The in-vehicle early warning system has the following implementation logic:
the first scheme is as follows: user actively sets warning information
Firstly, igniting and starting a vehicle;
secondly, finding a setting function on a central control display screen, and setting the glass warning image of the in-vehicle early warning system as an option of 'electric vehicle' (a plurality of options can be selected and set);
driving the vehicle to normally run on the road surface after the setting is finished;
fourthly, stepping down the brake to start deceleration;
detecting a braking signal from the whole vehicle CAN network by the BCM and the MP5, and starting to monitor the vehicle speed;
when the vehicle speed is less than or equal to 5 km/h: the BCM drives the in-vehicle early warning system to work, the LED early warning unit embedded in the door glass is lightened, an 'electric vehicle' graph (shown in figure 10) is lightened and displayed on the door glass, and a passenger is reminded of paying attention to an incoming vehicle behind the vehicle; the MP5 drives the head movement monitoring camera of the passenger to start monitoring the head movement of the passenger in the vehicle;
seventhly, after the passengers in the vehicle observe the warning patterns on the door glass, the driver twists the head to observe the conditions of the side rear part of the vehicle;
eighthly, the MP5 receives the shooting picture transmitted by the head action monitoring camera of the passenger;
ninthly, the MP5 analyzes the received action picture of the head of the passenger;
the third party and the MP5 transmit a judgment result of whether the passenger finishes head twisting to observe the side rear condition of the vehicle to the CAN network according to the analysis conclusion;
In the process, if the BCM does not receive a positive signal that whether the passenger finishes twisting to observe the situation of the side rear part of the vehicle or not, the unlocking of the door lock is forbidden, and the door cannot be opened from the inside of the vehicle.
Scheme II: vehicle active setting warning information
Firstly, igniting and starting a vehicle;
secondly, finding a setting function on a central control display screen, and setting the glass warning image of the in-vehicle early warning system as a vehicle active identification option (a plurality of options can be selected and set);
driving the vehicle to normally run on the road surface after the setting is finished;
fourthly, stepping down the brake to start deceleration;
detecting a braking signal from the whole vehicle CAN network by the BCM and the MP5, and starting to monitor the vehicle speed;
when the vehicle speed is less than or equal to 5 km/h:
1. the MP5 drives a camera integrated on the projector to shoot the road condition behind and beside the vehicle;
2. the MP5 receives the road surface pictures at the side and the back of the vehicle shot by the camera;
3. the MP5 analyzes the received pictures of the side and rear road surface of the vehicle and identifies whether the electric vehicle, the bicycle or the pedestrian is on the road surface;
4. the MP5 sends the corresponding danger source (electric vehicle, bicycle, pedestrian) to the CAN in the form of signal according to the identification result; (Note: here, MP5 program sets a priority level, and sends signals to CAN network according to priority level when multiple dangerous sources are identified.)
5. The BCM receives a danger source signal sent to the CAN network by the MP5, drives the in-vehicle early warning system to work, lights the LED early warning unit embedded in the door glass, lights and displays a graph (shown in figure 6) corresponding to the danger source on the door glass, and reminds passengers to pay attention to the coming vehicle behind the vehicle;
6. the MP5 drives the head movement monitoring camera of the passenger to start monitoring the head movement of the passenger in the vehicle;
seventhly, after the passengers in the vehicle observe the warning patterns on the door glass, the driver twists the head to observe the conditions of the side rear part of the vehicle;
eighthly, the MP5 receives the shooting picture transmitted by the head action monitoring camera of the passenger;
ninthly, the MP5 analyzes the received action picture of the head of the passenger;
the third party and the MP5 transmit a judgment result of whether the passenger finishes head twisting to observe the side rear condition of the vehicle to the CAN network according to the analysis conclusion;
In the process, if the BCM does not receive a positive signal that whether the passenger finishes twisting to observe the situation of the side rear part of the vehicle or not, the unlocking of the door lock is forbidden, and the door cannot be opened from the inside of the vehicle.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a passenger is got off unexpected collision prevention system of door that opens, its characterized in that: comprises that
The input setting module is used for setting the form of the external early warning roadblock and sending the form to the projection module;
the control module is used for sending a projection signal to the projection module when the vehicle speed is less than or equal to a first set value;
and the projection module is used for projecting the set early warning roadblock on the ground behind the side of the vehicle when receiving the projection signal.
2. The passenger drop-off door opening accidental collision prevention system according to claim 1, characterized in that: also comprises an early warning display module, a first image acquisition module and a door lock control module,
the input setting module is also used for setting the form of the in-vehicle early warning image and sending the in-vehicle early warning image to the early warning display module;
the control module is used for sending an early warning display signal to the early warning display module and sending an acquisition signal to the first image acquisition module when the vehicle speed is less than or equal to a second set value; the device is used for judging whether the passenger finishes head twisting observation of the situation of the side rear part of the vehicle or not according to the head action image of the passenger, if so, sending an unlocking signal to the door lock control module, and if not, sending a locking signal to the door lock control module;
the early warning display module is used for displaying a set early warning image on the vehicle door glass when receiving an early warning display signal;
the first image acquisition module is used for acquiring the head action image of the passenger and sending the head action image to the control module when receiving an acquisition signal;
the door lock control module is used for unlocking the vehicle door or locking the vehicle door.
3. The passenger drop-off door opening accidental collision prevention system according to claim 2, characterized in that: also comprises a second image acquisition module which is provided with a plurality of image acquisition modules,
the input setting module is also used for setting the function of actively identifying the dangerous source and sending an identification signal to the control module;
after receiving the identification signal, the control module sends an acquisition signal to the second image acquisition module when the vehicle speed is less than or equal to a third set value; the system comprises a vehicle side and rear road surface image acquisition module, a danger source display module and a first image acquisition module, wherein the vehicle side and rear road surface image acquisition module is used for acquiring a road surface image of a vehicle side and rear road surface;
the second image acquisition module is used for acquiring a road surface image behind and beside the vehicle and sending the road surface image to the control module when receiving the acquisition signal;
and the early warning display module is used for displaying a graph corresponding to the danger source on the vehicle door glass when receiving the danger source display signal.
4. A method for preventing accidental collision when a passenger gets off a vehicle and opens a door is characterized by comprising the following steps: comprising a vehicle exterior collision prevention process: after the vehicle is started, the form of the external early warning roadblock is set, and when the vehicle speed is less than or equal to a first set value, the set early warning roadblock is projected on the ground at the rear side of the vehicle, so that moving pedestrians and vehicles at the rear side of the vehicle are reminded to avoid.
5. The passenger getting-off door opening accidental collision prevention method according to claim 4, characterized in that: the early warning roadblock is an obstacle formed by arranging a plurality of three-dimensional structures in any mode.
6. The passenger getting-off door opening accidental collision prevention method according to claim 4, characterized in that: the method also comprises the following active collision prevention process of the user in the vehicle: after the vehicle is started, the form of the early warning image in the vehicle is set, and when the vehicle speed is less than or equal to a second set value, the set early warning image is displayed on the door glass to remind passengers of paying attention to moving pedestrians and vehicles behind and beside the vehicle.
7. The passenger getting-off door opening accidental collision prevention method according to claim 6, characterized in that: after the early warning image is displayed, the head action image of the passenger is collected, whether the passenger finishes twisting to observe the situation of the rear side of the vehicle is judged according to the collected image, if the passenger finishes twisting to observe the situation of the rear side of the vehicle, the vehicle door is controlled to be unlocked, and if the passenger does not finish twisting to observe the situation of the rear side of the vehicle, the vehicle door is locked until the passenger finishes twisting to observe the situation of the rear side of the vehicle and then the vehicle door is unlocked.
8. The passenger getting-off door opening accidental collision prevention method according to claim 6, characterized in that: the early warning image is any one of a pedestrian, an electric vehicle, a bicycle and a motor vehicle.
9. The passenger getting-off door opening accidental collision prevention method according to claim 4, characterized in that: still include the interior initiative discernment collision prevention process of car: and after the vehicle is started, setting an active danger source identification option, acquiring a road surface image at the side rear part of the vehicle when the vehicle speed is less than or equal to a third set value, judging whether a danger source approaches the vehicle according to the acquired road surface image, and displaying a graph corresponding to the danger source on the door glass if the danger source approaches the vehicle to remind passengers of paying attention to the danger source at the side rear part of the vehicle.
10. The passenger getting-off door opening accidental collision prevention method according to claim 9, characterized in that: after the graph of the hazard source is displayed, the head action image of the passenger is collected, whether the passenger finishes twisting to observe the lateral rear condition of the vehicle is judged according to the collected image, if the passenger finishes twisting to observe the lateral rear condition of the vehicle, the vehicle door is controlled to be unlocked, if the passenger does not finish twisting to observe the lateral rear condition of the vehicle, the vehicle door is locked, and the vehicle door is unlocked until the passenger finishes twisting to observe the lateral rear condition of the vehicle.
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| CN202110735559.9A CN113815548A (en) | 2021-06-30 | 2021-06-30 | System and method for preventing accidental collision when passengers get off and open doors |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201623058A (en) * | 2014-12-26 | 2016-07-01 | 翰弘科技有限公司 | Device for detecting image within vehicle and opening vehicle door and method for implementing the same |
| CN106394395A (en) * | 2015-07-30 | 2017-02-15 | 大陆汽车投资（上海）有限公司 | Door-opening anti-collision pre-warning method and system for car |
| CN207773007U (en) * | 2018-01-31 | 2018-08-28 | 长城汽车股份有限公司 | Early warning system of getting off and vehicle |
| CN109733277A (en) * | 2019-01-22 | 2019-05-10 | 京东方科技集团股份有限公司 | Warning system and alarming method for power |
| CN110435542A (en) * | 2019-08-23 | 2019-11-12 | 爱驰汽车有限公司 | Safe early warning method, system, equipment and the storage medium of automobile door opening |
| CN111284403A (en) * | 2018-12-07 | 2020-06-16 | 宝沃汽车（中国）有限公司 | Vehicle door opening control method and system and vehicle |
| CN111422127A (en) * | 2019-04-25 | 2020-07-17 | 法国圣戈班玻璃公司 | Vehicle door anti-collision early warning system, vehicle window glass structure and vehicle door anti-collision early warning method |
-
2021
- 2021-06-30 CN CN202110735559.9A patent/CN113815548A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201623058A (en) * | 2014-12-26 | 2016-07-01 | 翰弘科技有限公司 | Device for detecting image within vehicle and opening vehicle door and method for implementing the same |
| CN106394395A (en) * | 2015-07-30 | 2017-02-15 | 大陆汽车投资（上海）有限公司 | Door-opening anti-collision pre-warning method and system for car |
| CN207773007U (en) * | 2018-01-31 | 2018-08-28 | 长城汽车股份有限公司 | Early warning system of getting off and vehicle |
| CN111284403A (en) * | 2018-12-07 | 2020-06-16 | 宝沃汽车（中国）有限公司 | Vehicle door opening control method and system and vehicle |
| CN109733277A (en) * | 2019-01-22 | 2019-05-10 | 京东方科技集团股份有限公司 | Warning system and alarming method for power |
| CN111422127A (en) * | 2019-04-25 | 2020-07-17 | 法国圣戈班玻璃公司 | Vehicle door anti-collision early warning system, vehicle window glass structure and vehicle door anti-collision early warning method |
| CN110435542A (en) * | 2019-08-23 | 2019-11-12 | 爱驰汽车有限公司 | Safe early warning method, system, equipment and the storage medium of automobile door opening |
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