CN115285017A - Night anti-collision warning method, device and system - Google Patents
Night anti-collision warning method, device and system Download PDFInfo
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- CN115285017A CN115285017A CN202211065848.3A CN202211065848A CN115285017A CN 115285017 A CN115285017 A CN 115285017A CN 202211065848 A CN202211065848 A CN 202211065848A CN 115285017 A CN115285017 A CN 115285017A
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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 application discloses a night anti-collision warning method, a device and a system, wherein the night anti-collision warning method comprises the following steps: receiving a first distance between the vehicle and the target intersection; if the first distance is smaller than a first threshold value, receiving driving information; if the driving information indicates steering, a steering instruction is sent to the projection device, and the projection device is enabled to display a steering identifier corresponding to the target steering; receiving a second distance between the vehicle and the target intersection in real time, and determining a real-time projection angle of the projection device according to the second distance, wherein the projection positions corresponding to all the real-time projection angles are the same; wherein the second distance is less than the first distance; and sending the real-time projection angle to the projection device, so that the projection device projects the real-time projection angle to the appointed ground of the target intersection. Before passing through the intersection, the method and the system project the steering plan of the vehicle at the specified position on the ground of the target intersection, give warning effects to pedestrians, motor vehicles, non-motor vehicles and the like in the peripheral blind areas, and improve the driving safety in the cell.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a night anti-collision warning method, device and system.
Background
With the increase of the reserved quantity of private cars in a community, dense mouths, narrow and complex roads and more intersections in the community, the intersections between pedestrians and vehicles and between vehicles are increased year by year, but a large number of driving blind spot areas are caused by partial shades of a green belt of the community, the road lighting conditions at night are poor, the visual field of a driver and the pedestrians is limited, and collision accidents are easy to happen. Especially, at a corner of a community, the vehicle is often in a blind area of a visual field and the speed of the vehicle is high, so that steering information cannot be transmitted in time, and traffic accidents are caused.
At present, the traditional vehicles can only transmit steering information to pedestrians or vehicles by means of steering lamps in a complex road environment, but cannot accurately transmit information in a view blind area section shielded by greening. The turning positions of some cells are provided with convex mirrors, so that the early warning of the coming vehicle is facilitated, but the illumination is insufficient in the night environment, and the convex mirrors cannot complete the work.
Disclosure of Invention
The application provides a night anti-collision warning method, device and system, before passing through an intersection, the steering planning of a vehicle is projected through a specified position on the ground of a target intersection, the warning effect is given to pedestrians, motor vehicles, non-motor vehicles and the like in peripheral blind areas, and the driving safety in a cell is improved.
The application provides a night anti-collision warning method, which comprises the following steps:
receiving a first distance between the vehicle and the target intersection;
if the first distance is smaller than a first threshold value, receiving driving information;
if the driving information indicates steering, a steering instruction is sent to the projection device, and the projection device is made to display a steering identifier corresponding to the target steering;
receiving a second distance between the vehicle and the target intersection in real time, and determining a real-time projection angle of the projection device according to the second distance, wherein the projection positions corresponding to all the real-time projection angles are the same; wherein the second distance is less than the first distance;
and sending the real-time projection angle to the projection device, so that the projection device projects the real-time projection angle to the appointed ground of the target intersection.
Preferably, the method further comprises the following steps:
receiving a third distance between the vehicle and the target intersection;
if the third distance is smaller than the second threshold value, sending a closing instruction to the projection device, so that the projection device stops working;
wherein the third distance is smaller than the first distance, and the second threshold is smaller than the first threshold.
Preferably, the first distance is from a navigation application of the in-vehicle navigation system or the mobile terminal.
Preferably, the driving information is from an in-vehicle navigation system, a navigation application of the mobile terminal, or a steering system of the vehicle.
Preferably, the night collision avoidance warning method is executed by a vehicle-mounted central control system.
The application also provides a night anti-collision warning device which comprises a first distance receiving module, a driving information receiving module, a steering instruction sending module, a projection angle determining module and a projection angle sending module;
the first distance receiving module is used for receiving a first distance between the vehicle and the target intersection;
the driving information receiving module is used for receiving the driving information when the first distance is smaller than a first threshold value;
the steering instruction sending module is used for sending a steering instruction to the projection device when the driving information indicates steering, so that the projection device displays a steering identifier corresponding to target steering;
the projection angle determining module is used for receiving a second distance between the vehicle and the target intersection in real time and determining a real-time projection angle of the projection device according to the second distance, wherein the projection positions corresponding to all the real-time projection angles are the same; wherein the second distance is less than the first distance;
the projection angle sending module is used for sending the real-time projection angle to the projection device so that the projection device can project the real-time projection angle to the appointed ground of the target intersection.
Preferably, the system further comprises a third distance receiving module and a closing instruction sending module;
the third distance receiving module is used for receiving a third distance between the vehicle and the target intersection;
the closing instruction sending module is used for sending a closing instruction to the projection device when the third distance is smaller than a second threshold value, so that the projection device stops working;
wherein the third distance is smaller than the first distance, and the second threshold is smaller than the first threshold.
The application also provides a night anti-collision warning system which comprises a distance detection device, a driving information identification device, a warning control device and a projection device;
the warning control device is respectively in signal connection with the distance detection device, the driving information identification device and the projection device;
the warning control device is used for executing the night anti-collision warning method;
the projection device is used for projecting the steering identification corresponding to the target steering to the target ground.
Preferably, the projection device includes a projection lamp, a turn sign switcher, and an angle controller;
the steering mark switcher is respectively in signal connection with the warning control device and the projection lamp and is used for switching the steering marks;
the angle controller is in signal connection with the warning control device and drives the projection lamp to change the projection angle.
Preferably, the distance detection device and/or the travel information recognition device is a navigation application of a car navigation system or a mobile terminal.
Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a structural diagram of a night collision avoidance warning system provided by the present application;
FIG. 2 is a block diagram of one embodiment of a night collision warning system provided herein;
fig. 3 is a flowchart of a night collision avoidance warning method provided by the present application;
fig. 4 is a structural diagram of the night collision avoidance warning device provided by the present application.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
The application provides a night anti-collision warning method, device and system, before passing through an intersection, the steering planning of a vehicle is projected through a specified position on the ground of a target intersection, and the driving safety in a cell is improved by reminding pedestrians, motor vehicles, non-motor vehicles and the like in peripheral blind areas.
As shown in fig. 1, the night collision avoidance warning system of the present application includes a distance detection device 110, a driving information recognition device 120, a warning control device 130, and a projection device 140.
The warning control device 130 is in signal connection with the distance detection device 110, the driving information recognition device 120 and the projection device 140.
The warning control device 130 is used for controlling the projection device 140 to operate according to the distance information and the driving information provided by the distance detection device 110 and the driving information identification device 120.
The projection device 140 is used for projecting a steering mark corresponding to the target steering in the driving information to the target ground.
As an embodiment, the projection device 140 is disposed on the top of a window or a roof of a vehicle, and such a position can avoid a phenomenon that the projected light is blocked and cannot be projected onto the ground.
As an example, the target ground is a ground of an intersection to be passed right in front of the vehicle (referred to as a target intersection) or a preset intersection to be passed (referred to as a target intersection), and the projection position is unchanged before the target intersection is passed.
Specifically, as shown in fig. 1, the projection apparatus 140 includes a projection lamp 1401, a turn sign switch 1402, an angle controller 1403, and a switch controller 1404.
The turn signal switch 1402 is respectively connected to the alarm control device 130 and the projection lamp 1401, and the turn signal switch 1402 is used for switching the turn signal according to the turn command of the alarm control device 130 and transmitting the same to the projection lamp 1401.
As one example, the projector 1401 and the turn signal switch 1402 are connected by a pin line.
The angle controller 1403 is in signal connection with the warning control device 130, and the angle controller 1403 receives the real-time projection angle of the warning control device and drives the projection lamp 1401 to change the projection angle. Specifically, a rotating mechanism is arranged on the projection lamp 1401, an actuator of the rotating mechanism is in signal connection with the angle controller 1403, and a rotating part on the rotating mechanism is fixedly connected with the lamp body to drive the lamp body to rotate. The rotating mechanism can be realized by adopting the prior art, and is not limited herein.
As an example, the actuator of the rotation mechanism and the angle controller 1403 are connected by a pin.
The switch controller 1404 is respectively connected with the warning control device 130 and the projection lamp 1401 by signals, and the switch controller 1404 receives a closing instruction of the warning control device 130 and controls the projection lamp 1401 to stop working.
As an example, the distance detection apparatus 110 may be a navigation application of a car navigation system or a mobile terminal.
As one example, the travel information recognition device 120 may be an in-vehicle navigation system, a navigation application of a mobile terminal, or a steering system of a vehicle.
Preferably, the distance detection device 110 and the travel information recognition device 120 are both a car navigation system (or a navigation application of the mobile terminal) 150, as shown in fig. 2.
As one example, the warning control device 130 may be an in-vehicle center control system. In this embodiment, the in-vehicle center control system is connected to the steering flag switch 1402 and the angle controller 1403 through an in-vehicle CAN bus.
Based on the above-mentioned collision avoidance warning system at night, the present application provides a collision avoidance warning method at night, which is executed by the warning control device 130. As shown in fig. 3, the night collision avoidance warning method includes the following steps:
s310: a first distance between a vehicle and a target intersection is received.
It should be noted that the target intersection is an intersection to be passed by in the driving route of the vehicle (i.e., an intersection directly in front of the vehicle and closest to the vehicle) or a preset intersection to be passed by.
S320: and if the first distance is smaller than the first threshold value, receiving the driving information.
If the first distance is less than the first threshold (e.g., 100 m), the projected information indicating the host vehicle is meaningful to pedestrians, non-motor vehicles, and motor vehicles near the target intersection.
The driving information may be driving information in a navigation route running in a navigation application of the vehicle-mounted navigation system or the mobile terminal, and mainly includes a trend at a target intersection, such as a straight line, a left turn, or a right turn.
S340: and if the driving information indicates steering, sending a steering instruction to the projection device to enable the projection device to display a steering mark corresponding to the target steering.
For example, if the driving information indicates a left turn, the target turn is left, the turn command is a left turn command, and the turn sign switcher switches the turn sign to a left turn sign (for example, a left arrow) and transmits the left turn sign to the projection lamp.
S350: and receiving a second distance between the vehicle and the target intersection in real time, and determining a real-time projection angle of the projection device according to the second distance.
The projection positions corresponding to all the real-time projection angles are the same.
Wherein the second distance is less than the first distance.
Specifically, the warning control device calculates the real-time propagation length of the projection lamp (i.e. the linear distance between the projection lamp and the designated position on the ground) by the pythagorean theorem according to the second distance, calculates the signal transmission time loss and the data calculation time loss in the projection process of the projection lamp, and finally calculates the real-time projection angle of the projection lamp.
S360: and sending the real-time projection angle to a projection device, so that the projection device projects the real-time projection angle to the appointed ground of the target intersection.
The warning control device transmits the real-time projection angle obtained by calculation to the angle controller, and the angle controller controls the projection lamp to change the angle (mainly the pitch angle) in real time, so that the projection position is kept unchanged.
Preferably, between S320 and S340, further comprising S330: and receiving a third distance between the vehicle and the target intersection, and judging whether the third distance is smaller than a second threshold value. If not, executing S340-S360 and returning to S330. If yes, S370 is performed.
Wherein the third distance (e.g., 10 m) is less than the first distance and the second threshold is less than the first threshold.
S370: and sending a closing instruction to the projection device to stop the projection device.
And after receiving the closing instruction, the switch controller of the projection device controls the projection lamp to stop projecting.
Based on the night anti-collision warning method, the application provides a night anti-collision warning device which is suitable for a warning control device. As shown in fig. 4, the night collision avoidance warning device includes a first distance receiving module 410, a driving information receiving module 420, a steering instruction transmitting module 430, a projection angle determining module 440, and a projection angle transmitting module 450.
The first distance receiving module 410 is configured to receive a first distance between a vehicle and a target intersection.
The driving information receiving module 420 is configured to receive the driving information when the first distance is smaller than a first threshold.
The steering instruction sending module 430 is configured to send a steering instruction to the projection device when the driving information indicates steering, so that the projection device displays a steering identifier corresponding to the target steering.
The projection angle determining module 440 is configured to receive a second distance between the vehicle and the target intersection in real time, and determine a real-time projection angle of the projection device according to the second distance, where projection positions corresponding to all the real-time projection angles are the same; wherein the second distance is less than the first distance.
The projection angle sending module 450 is used for sending the real-time projection angle to the projection apparatus, so that the projection apparatus projects onto the designated ground of the target intersection.
Preferably, the night collision avoidance warning device further includes a third distance receiving module 460 and a closing instruction sending module 470.
The third distance receiving module 460 is used for receiving a third distance between the vehicle and the target intersection.
The closing instruction sending module 470 is configured to send a closing instruction to the projection apparatus when the third distance is smaller than the second threshold, so that the projection apparatus stops working.
Wherein the third distance is smaller than the first distance, and the second threshold is smaller than the first threshold.
It is understood that under the above concept, a projection device facing the left, right and/or rear side of the vehicle may be further provided to facilitate the pedestrians and vehicles on both sides and rear side of the vehicle to obtain the steering information of the vehicle.
This application has mainly solved current vehicle and has gone to turn to the information display unclear, convey inaccurately, the problem that the signal is sheltered from at night, to turn to signal projection ground, be convenient for near pedestrian and vehicle in time accurately learn vehicle information of going, reduced both sides' understanding cost when warning other drivers and pedestrian, greatly reduced is because both sides information conveys the road traffic incident untimely and inaccurate and lead to, when having improved the security that the driver drove in the district, the accident frequency at district crossing has also been reduced.
Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.
Claims (10)
1. A night anti-collision warning method is characterized by comprising the following steps:
receiving a first distance between the vehicle and the target intersection;
if the first distance is smaller than a first threshold value, receiving driving information;
if the driving information indicates steering, a steering instruction is sent to a projection device, and the projection device is enabled to display a steering identifier corresponding to target steering;
receiving a second distance between the vehicle and the target intersection in real time, and determining a real-time projection angle of the projection device according to the second distance, wherein the projection positions corresponding to all the real-time projection angles are the same; wherein the second distance is less than the first distance;
and sending the real-time projection angle to the projection device, so that the projection device projects the real-time projection angle to the appointed ground of the target intersection.
2. The night time anti-collision warning method according to claim 1, further comprising:
receiving a third distance between the vehicle and the target intersection;
if the third distance is smaller than a second threshold value, sending a closing instruction to the projection device to enable the projection device to stop working;
wherein the third distance is less than the first distance and the second threshold is less than the first threshold.
3. The night time collision avoidance warning method of claim 1, wherein the first distance is from a navigation application of a vehicle navigation system or a mobile terminal.
4. The night time anti-collision warning method according to claim 1, wherein the driving information is from a vehicle navigation system, a navigation application program of a mobile terminal or a steering system of a vehicle.
5. The night collision avoidance warning method of claim 1, wherein the night collision avoidance warning method is performed by an in-vehicle central control system.
6. A night anti-collision warning device is characterized by comprising a first distance receiving module, a driving information receiving module, a steering instruction sending module, a projection angle determining module and a projection angle sending module;
the first distance receiving module is used for receiving a first distance between a vehicle and a target intersection;
the driving information receiving module is used for receiving driving information when the first distance is smaller than a first threshold value;
the steering instruction sending module is used for sending a steering instruction to the projection device when the driving information indicates steering, so that the projection device displays a steering identifier corresponding to target steering;
the projection angle determining module is used for receiving a second distance between a vehicle and the target intersection in real time and determining a real-time projection angle of the projection device according to the second distance, wherein the projection positions corresponding to all the real-time projection angles are the same; wherein the second distance is less than the first distance;
the projection angle sending module is used for sending the real-time projection angle to the projection device, so that the projection device projects the real-time projection angle to the designated ground of the target intersection.
7. The night collision avoidance warning device of claim 6, further comprising a third distance receiving module, a closing instruction sending module;
the third distance receiving module is used for receiving a third distance between the vehicle and the target intersection;
the closing instruction sending module is used for sending a closing instruction to the projection device when the third distance is smaller than a second threshold value, so that the projection device stops working;
wherein the third distance is less than the first distance and the second threshold is less than the first threshold.
8. A night anti-collision warning system is characterized by comprising a distance detection device, a driving information recognition device, a warning control device and a projection device;
the warning control device is respectively in signal connection with the distance detection device, the driving information identification device and the projection device;
the warning control device is used for executing the night collision avoidance warning method according to the claims 1-5;
the projection device is used for projecting the steering identification corresponding to the target steering to the target ground.
9. The night collision avoidance system of claim 8, wherein the projection device comprises a projection light, a turn indicator switch, and an angle controller;
the steering mark switcher is respectively in signal connection with the warning control device and the projection lamp and is used for switching a steering mark;
the angle controller is in signal connection with the warning control device, and the angle controller drives the projection lamp to change the projection angle.
10. The night collision avoidance warning system according to claim 8 or 9, wherein the distance detection device and/or the travel information recognition device is a navigation application of a car navigation system or a mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065848.3A CN115285017A (en) | 2022-08-31 | 2022-08-31 | Night anti-collision warning method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065848.3A CN115285017A (en) | 2022-08-31 | 2022-08-31 | Night anti-collision warning method, device and system |
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| Publication Number | Publication Date |
|---|---|
| CN115285017A true CN115285017A (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211065848.3A Pending CN115285017A (en) | 2022-08-31 | 2022-08-31 | Night anti-collision warning method, device and system |
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| Country | Link |
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| CN (1) | CN115285017A (en) |
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- 2022-08-31 CN CN202211065848.3A patent/CN115285017A/en active Pending
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