CN111210660B - Collision early warning method and device, computer equipment, storage medium and vehicle - Google Patents
Collision early warning method and device, computer equipment, storage medium and vehicle Download PDFInfo
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- CN111210660B CN111210660B CN201811398363.XA CN201811398363A CN111210660B CN 111210660 B CN111210660 B CN 111210660B CN 201811398363 A CN201811398363 A CN 201811398363A CN 111210660 B CN111210660 B CN 111210660B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
Abstract
The application relates to a collision early warning method, a collision early warning device, computer equipment, a storage medium and a vehicle. The method comprises the following steps: acquiring driving information of a target object; judging whether the current vehicle and the target object have collision risks or not according to the running information; if the current vehicle and the target object have collision risks, collision early warning information is output to the object which is within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk. By adopting the method, warning information can be sent to the objects within the preset range of the trunk in advance, so that the objects within the preset range of the trunk can be evacuated from the dangerous area in time, and the collision risk between the rear vehicle and the objects within the preset range of the trunk is avoided.
Description
Technical Field
The present application relates to the field of vehicle technologies, and in particular, to a collision warning method and apparatus, a computer device, a storage medium, and a vehicle.
Background
In recent years, rear-end accidents of vehicles frequently occur, emergency braking caused by emergencies is inevitable in the driving process, the reaction speed of a driver, weather, road conditions and other factors influence the braking distance, and therefore, the safety distance between vehicles is extremely important.
However, if the distance between two vehicles is too close, less than the safe distance, then when a person takes something from the trunk of the vehicle, there may be a danger of collision from a rear-end vehicle.
Disclosure of Invention
In view of the above, it is necessary to provide a collision warning method, a collision warning apparatus, a computer device, a storage medium, and a vehicle, which can issue warning information to an object such as a person located within a preset range of a trunk in advance.
A vehicle comprising a trunk, the vehicle further comprising a sensor and a light emitting device, the light emitting device being disposed in the trunk; the sensor is configured to sense whether the vehicle is at risk of collision; the light emitting device is configured to output collision warning information to an object within a preset range from the trunk when it is determined that the vehicle is at a collision risk.
In one embodiment, the light means comprises at least one light source disposed on an interior sidewall of the trunk at a location remote from the trunk opening.
In one embodiment, the light-emitting device comprises a plurality of light sources, and the plurality of light sources are distributed in a ring shape.
In one embodiment, the vehicle-mounted light-emitting device further comprises a reflector, wherein the reflector is arranged in the trunk and used for reflecting light emitted by the light-emitting device.
In one embodiment, the plurality of light sources are annularly distributed around the reflector.
A collision warning method, the method comprising:
acquiring driving information of a target object;
judging whether the current vehicle and the target object have collision risks or not according to the running information;
and if the current vehicle and the target object have collision risks, outputting collision early warning information to the object within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk.
In one embodiment, the driving information includes: at least one of position, velocity, acceleration, and direction of movement;
the acquiring of the driving information of the target object comprises the following steps:
at least one of a position, a velocity, an acceleration, and a moving direction of the target object is acquired.
In one embodiment, the determining whether there is a collision risk between the current vehicle and the target object according to the driving information includes:
obtaining the collision time of the current vehicle and the target object according to the driving information;
obtaining the distance between the current vehicle and the target object according to the running information;
and judging whether the current vehicle and the target object have collision risks or not according to the distance between the current vehicle and the target object or the collision time.
In one embodiment, if there is a collision risk between the current vehicle and the target object, outputting collision warning information to an object within a preset range from the current vehicle trunk through a light-emitting device disposed in the current vehicle trunk, where the collision warning information includes:
and under the condition that the trunk is opened, when the collision time is smaller than a first threshold value, outputting collision early warning information to an object within a preset range away from the current vehicle trunk.
In one embodiment, if there is a collision risk between the current vehicle and the target object, outputting collision warning information to an object within a preset range from the current vehicle trunk through a light-emitting device disposed in the current vehicle trunk, where the collision warning information includes:
and under the condition that the trunk is opened, when the distance between the current vehicle and the target object is smaller than a second threshold value, outputting collision early warning information to an object which is within a preset range away from the trunk of the current vehicle.
In one embodiment, the method further comprises:
through the flicker of the light-emitting device, collision early warning information is output to an object which is within a preset range away from the current vehicle trunk; and/or
And outputting collision early warning information to an object within a preset range away from the current vehicle trunk through the color change of the light-emitting device.
In one embodiment, the method further comprises:
controlling a flicker frequency of the light emitting device according to a collision time of the current vehicle with the target object or a distance between the current vehicle and the target object; and/or
Controlling a color change of the light emitting device according to a collision time of the current vehicle with the target object or a distance between the current vehicle and the target object.
A collision warning apparatus, the apparatus comprising:
a travel information acquisition module configured to acquire travel information of a target object;
the collision risk judging module is configured for judging whether a current vehicle and the target object have collision risks or not according to the running information;
the early warning module is configured to output collision early warning information to an object within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk if the current vehicle and the target object have collision risks.
A computer device comprising a memory storing a computer program and a processor implementing the following steps when the computer program is executed:
acquiring driving information of a target object;
judging whether the current vehicle and the target object have collision risks or not according to the running information;
if the current vehicle and the target object have collision risks, collision early warning information is output to the object which is within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
acquiring driving information of a target object;
judging whether the current vehicle and the target object have collision risks or not according to the running information;
and if the current vehicle and the target object have collision risks, outputting collision early warning information to the object within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk.
According to the collision early warning method, the collision early warning device, the computer equipment, the storage medium and the vehicle, whether collision risk exists between the current vehicle and the target object is judged according to the running information of the target object, and if the collision risk exists between the current vehicle and the target object, collision early warning information is output to the object which is within a preset range from the current vehicle trunk through the light-emitting device arranged in the current vehicle trunk. The collision early warning method, the collision early warning device, the computer equipment, the storage medium and the vehicle can send warning information to the objects located in the preset range of the trunk in advance, so that the objects in the preset range of the trunk can conveniently evacuate from a dangerous area in time, and collision danger between the rear vehicle and the objects in the preset range of the trunk is avoided.
Drawings
FIG. 1 is a schematic diagram of a trunk structure of a vehicle according to one embodiment;
FIG. 2 is a schematic illustration of a trunk structure of another vehicle according to one embodiment;
FIG. 3 is a diagram of an exemplary implementation of a collision warning method;
FIG. 4 is a flow diagram illustrating a collision warning method according to one embodiment;
FIG. 5 is a flowchart illustrating a collision risk determining step according to one embodiment;
FIG. 6 is a block diagram showing the structure of a collision warning apparatus according to an embodiment;
FIG. 7 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
In one embodiment, as shown in fig. 1, there is provided a vehicle comprising a trunk 100, wherein the vehicle further comprises a sensor 10 and a light emitting device 11, the light emitting device 11 being disposed in the trunk 100; the sensor 10 is configured to sense whether the vehicle is at risk of collision; the light emitting device 11 is configured to output collision warning information to an object within a preset range from the trunk 100 when the vehicle is at risk of collision. The preset range may be 1 meter, 2 meters or a longer distance, and the preset range may be flexibly configured according to actual needs, which is not specifically limited herein.
The vehicle is provided with the sensor and the light-emitting device in the trunk, so that the collision risk can be sensed in advance, and collision early warning is performed on an object located in a preset range of the trunk of the vehicle.
In one embodiment, as shown in fig. 1, the light emitting device 11 of the vehicle includes a plurality of light sources, and the plurality of light sources are provided on an inner side wall of the trunk 100 at a position away from the opening of the trunk 100.
The light emitting device 11 may be an LED, an OLED, or the like, for example, a light emitting diode including a plurality of colors (for example, red, blue, and yellow), or a display module such as an LCD liquid crystal display. The plurality of light sources of the light emitting device 11 may be distributed in a scattered manner or in a regular distribution, for example: the plurality of light sources are distributed annularly. The light emitting device 11 may be a plurality of spaced light sources provided around a side wall of the trunk 100 at a position away from the opening, or may be a continuous light emitting device 11 in which a plurality of light sources are joined together. The risk of collision includes the risk of the vehicle being rear-ended by a rear vehicle. The plurality of light sources of the light-emitting device 11 may be simultaneously turned on, or may be partially turned on in a certain time series according to the level of the collision risk, for example: when the emergency collision risk is sensed, the plurality of light sources are simultaneously lightened; when a non-emergency collision risk is sensed, the plurality of light sources may be partially turned on, and gradually turned on as the degree of emergency increases, for example, the collision risk increases, and in addition, the luminance of the light emitted by the light emitting device 11 may also be gradually increased as the collision risk level increases.
In one embodiment, as shown in fig. 2, the vehicle comprises a trunk 200, a sensor 20, a light emitting device 21 and a reflective mirror 22, wherein the sensor 20 is configured to sense whether the vehicle is at risk of collision; the light emitting device 21 is configured to output collision warning information to an object within a preset range from the trunk 200 when there is a collision risk in the vehicle; the mirror 22 is provided in the trunk 200 to reflect light emitted from the light emitting device 21.
The plurality of light sources of the light-emitting device 21 may be distributed around the reflector 22, or may be distributed around the reflector 22 in a certain rule, for example: a plurality of light sources are annularly distributed around the reflector 22. The light emitting device 11 may be a plurality of spaced light sources provided around the reflector 22, or may be a continuous light emitting device 21 in which a plurality of light sources are joined together. When the light emitting device 11 emits light, the reflector 22 may reflect the light emitted from the light emitting device 21 to further alert objects such as people located at the rear of the vehicle, so that objects such as people located at the rear of the vehicle can be further effectively alerted according to the collision risk.
The vehicle is provided with the light emitting device in the trunk through multiple modes, the light sources of the light emitting device are lightened according to the emergency degree of the collision risk, and collision early warning information can be output to objects such as personnel located at the rear of the vehicle according to the emergency degree of the collision risk, so that collision early warning is more effective.
The collision early warning method provided by the application can be applied to the application environment shown in fig. 3. The current vehicle 102 uploads the running information of the target object 106 to the terminal 108 through the vehicle-mounted sensor 104, the terminal 108 can judge whether the current vehicle 102 and the target object 106 have a collision risk according to the running information of the target object 106, and if the current vehicle 102 and the target object 106 have the collision risk, the terminal 108 outputs collision early warning information to an object within a preset range from a trunk of the current vehicle 102 through a light-emitting device arranged in the trunk of the current vehicle 102. The terminal 108 may be various personal computers, notebook computers, smart phones, tablet computers, portable wearable devices; or a certain device in the current vehicle, such as a central control device, an auxiliary driving device, a vehicle machine and a navigation device; in addition, the terminal 108 may also be a cloud server (Online server), and the cloud server may be implemented by an independent server or a server cluster formed by a plurality of servers and connected to the current vehicle 102 through a wireless network. The current vehicle 102 may be, but is not limited to, a vehicle having a trunk such as an automobile and various variations of a vehicle having a trunk. The vehicle referred to herein may be a single oil-circuit vehicle, a single gas-circuit vehicle, a vehicle combining oil and gas, a vehicle combining oil and electricity, or the like.
In one embodiment, as shown in fig. 2, a collision warning method is provided, which is described by taking the application of the method to the terminal in fig. 1 as an example, and includes the following steps:
step 202, obtaining the running information of the target object.
The target objects comprise pedestrians around the current vehicle, automobiles, motorcycles, bicycles, tricycles and the like which run around the current vehicle; the running information refers to a running parameter including at least one of a position, a speed, an acceleration, and a moving direction during the running of the vehicle or the walking of the pedestrian. The terminal can acquire the running information of the target object through the vehicle-mounted sensor. The on-board sensor may be an image sensor. In addition, the terminal may receive the travel information uploaded by the target object.
And 204, judging whether the current vehicle and the target object have collision risks or not according to the running information.
The terminal can judge whether the current vehicle and the target object have collision risks according to the running information of the target object, such as the position, the speed, the acceleration, the moving direction and the like.
And step 206, if the current vehicle and the target object have collision risks, outputting collision early warning information to the object within a preset range from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk.
The preset range may be 1 meter, 2 meters or longer, and the preset range may be flexibly configured according to actual needs, and is not specifically limited herein. When a collision risk exists between a current vehicle and a target object, the terminal can output collision early warning information to the object within a preset range away from the current vehicle trunk for early warning through a light-emitting device arranged in the trunk. The objects within the preset range from the current vehicle trunk comprise people, automobiles, motorcycles, bicycles, tricycles and the like within the preset range from the current vehicle trunk.
In the collision early warning method, whether a collision risk exists between the current vehicle and the target object is judged according to the running information of the target object, and if the collision risk exists between the current vehicle and the target object, collision early warning information is output to an object within a preset range from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk. According to the collision early warning method, the collision early warning device, the computer equipment and the storage medium, warning information can be sent to the objects located in the preset range of the trunk in advance, so that the objects in the preset range of the trunk can conveniently evacuate from a dangerous area in time, and collision danger between a rear vehicle and the objects in the preset range of the trunk is avoided.
In one embodiment, step 202 specifically includes: at least one of a position, a velocity, an acceleration, and a moving direction of the target object is acquired.
The terminal can detect the traveling information such as the position, speed, acceleration and moving direction of a plurality of upcoming target objects through the vehicle-mounted sensor. Alternatively, the vehicle-mounted sensor may be a camera, radar, lidar or other device capable of detecting travel information such as target object position, velocity, acceleration and direction of movement.
In one embodiment, as shown in fig. 4, a collision warning method is provided, wherein step 204 specifically includes the following steps:
step 2042, obtaining the collision time between the current vehicle and the target object according to the driving information.
The collision time refers to the time when collision between the current vehicle and the target object is estimated; the terminal can acquire the collision time of the current vehicle and the target object according to the driving information such as the position, the speed, the acceleration and the moving direction of the target object.
Step 2044, obtaining the distance between the current vehicle and the target object according to the driving information.
The terminal can acquire the distance between the current vehicle and the target object according to the driving information such as the position, the speed, the acceleration and the moving direction of the target object.
Step 2046, judging whether the current vehicle and the target object have collision risks or not according to the distance between the current vehicle and the target object or the collision time.
The terminal can comprehensively evaluate the distance between the current vehicle and the target object and the collision time between the current vehicle and the target object, judge the distance between the current vehicle and the target object, or judge whether the collision time between the current vehicle and the target object falls into a preset judgment interval, and further judge whether a collision risk exists between the current vehicle and the target object, and if the collision risk exists between the current vehicle and the target object, the terminal can perform collision early warning.
According to the collision early warning method, whether collision risk exists between the current vehicle and the target object is judged according to the collision time between the current vehicle and the target object and the distance between the current vehicle and the target object. The method can early warn the rear-end collision risk between vehicles in advance and avoid collision.
In one embodiment, a collision warning method is provided, wherein step 206 specifically includes: and under the condition that the trunk is opened, when the collision time is smaller than a first threshold value, outputting collision early warning information to an object within a preset range away from the current vehicle trunk.
Wherein the first threshold refers to a minimum collision time, for example: the first threshold is 5s, which indicates that the target object and the current vehicle will collide within 5s, and collision warning information needs to be output before the first threshold. The first threshold may be set according to a relative position between the current vehicle and the target object and an external environment (e.g., a road condition, etc.), and is not particularly limited herein.
Specifically, under the condition that the trunk is opened, if the collision time between the current vehicle and the target object is less than the first threshold value, that is, the collision time between the current vehicle and the target object is within the minimum collision time, and the possibility of collision is high at this time, the terminal may output collision warning information to an object within a preset range from the current vehicle trunk.
In one embodiment, a collision warning method is provided, wherein step 206 further includes: and under the condition that the trunk is opened, when the distance between the current vehicle and the target object is smaller than a second threshold value, outputting collision early warning information to the object within a preset range from the current vehicle trunk.
Wherein the second threshold refers to a safe distance between the current vehicle and the target object. For example: the second threshold is 1 meter, which means that the safe distance between the current vehicle and the target object is 1 meter. Specifically, under the condition that the trunk is opened, if the distance between the current vehicle and the target object is smaller than the second threshold value, that is, the distance between the current vehicle and the target object is smaller than the safe distance, and the possibility of collision is high at this time, the terminal may output collision warning information to an object within a preset range from the current vehicle trunk.
In the collision early warning method, based on several conditions with high collision possibility, collision early warning information is output to the object within a preset range away from the current vehicle trunk. The method can early warn collision in advance, and objects in the preset range of the trunk can conveniently evacuate from a dangerous area in time, so that the collision danger is reduced.
In one embodiment, a collision warning method is provided, in which collision warning information may be output to an object within a preset range from the current vehicle trunk by blinking of the light emitting device.
Specifically, the terminal may control the blinking frequency of the light-emitting device according to the time of collision of the current vehicle with the target object, or the distance between the current vehicle and the target object, so as to draw attention to objects within a preset trunk range, for example: the smaller the collision time between the current vehicle and the target object is, the faster the flicker frequency of the terminal control light-emitting device is; the smaller the distance between the current vehicle and the target object is, the faster the flicker frequency of the terminal-controlled light-emitting device is.
In one embodiment, a collision warning method is provided, wherein collision warning information may be further output to an object within a preset range from the current vehicle trunk by a color change of the light emitting device.
Specifically, the terminal may control the color change of the light emitting device according to the time of collision of the current vehicle with the target object or the distance between the current vehicle and the target object, thereby drawing attention to objects within a preset range of the trunk, such as: the smaller the collision time of the current vehicle with the target object is, the more obvious and striking the color of the terminal control light-emitting device is (red or yellow); the smaller the distance between the current vehicle and the target object is, the more obvious and striking the color of light emitted by the light-emitting device is controlled by the terminal (red or yellow).
According to the collision early warning method, the flicker frequency or the color change of the light-emitting device is controlled according to the emergency degree of the collision, so that the collision early warning can be more targeted, and the emergency degree of the collision can be judged according to the flicker condition or the color change condition of the light-emitting device for the object in the preset range of the trunk.
It should be understood that although the various steps in the flow diagrams of fig. 4-5 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least some of the steps in fig. 4-5 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, as shown in fig. 6, there is provided a collision warning apparatus including: the system comprises a driving information acquisition module 301, a collision risk judgment module 302 and an early warning module 303, wherein:
a travel information acquisition module 301 configured to acquire travel information of a target object;
a collision risk judging module 302 configured to judge whether there is a collision risk between the current vehicle and the target object according to the driving information;
the early warning module 303 is configured to, if there is a collision risk between the current vehicle and the target object, output collision early warning information to an object that is within a preset range from the current vehicle trunk through a light-emitting device disposed in the current vehicle trunk.
In one embodiment, the driving information obtaining module 301 is specifically configured to obtain at least one of a position, a speed, an acceleration, and a moving direction of the target object.
In one embodiment, the collision risk determining module 302 is specifically configured to obtain a collision time between the current vehicle and the target object according to the driving information;
obtaining the distance between the current vehicle and the target object according to the running information;
and judging whether the current vehicle and the target object have collision risks or not according to the distance between the current vehicle and the target object or the collision time.
In one embodiment, the early warning module 303 is specifically configured to, when the trunk is opened and the collision time is less than a first threshold, output collision early warning information to an object within a preset range from the current vehicle trunk.
In another embodiment, the early warning module 303 is specifically configured to, when the trunk is opened, output collision early warning information to an object within a preset range from the trunk of the current vehicle when the distance between the current vehicle and the target object is smaller than a second threshold.
In another embodiment, the early warning module 303 is specifically configured to output collision early warning information to an object within a preset range from the current vehicle trunk through the blinking of the light-emitting device when the trunk is opened; and/or
And outputting collision early warning information to an object within a preset range away from the current vehicle trunk through the color change of the light-emitting device.
For the specific definition of the collision warning device, reference may be made to the above definition of the collision warning method, which is not described herein again. All or part of the modules in the collision early warning device can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a server, and the internal structure thereof may be as shown in fig. 7. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operating system and the computer program to run on the non-volatile storage medium. The database of the computer device is used for storing collision early warning data. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a collision warning method.
Those skilled in the art will appreciate that the architecture shown in fig. 7 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory having a computer program stored therein and a processor that when executing the computer program performs the steps of:
acquiring driving information of a target object;
judging whether the current vehicle and the target object have collision risks or not according to the running information;
and if the current vehicle and the target object have collision risks, outputting collision early warning information to the object within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk.
The processor may also implement the steps of the collision warning method in any of the above embodiments when executing the computer program.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring driving information of a target object;
judging whether the current vehicle and the target object have collision risks or not according to the running information;
and if the current vehicle and the target object have collision risks, outputting collision early warning information to the object within a preset range away from the current vehicle trunk through a light-emitting device arranged in the current vehicle trunk.
The computer program, when executed by the processor, may further implement the steps of the collision warning method in any of the above embodiments.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by hardware instructions of a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), rambus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (14)
1. A vehicle comprises a trunk, and is characterized by further comprising a sensor and a light-emitting device, wherein the light-emitting device is arranged in the trunk; the sensor is configured to sense whether the vehicle is at risk of collision by a target object behind; the light-emitting device is configured to output collision early warning information to a person who takes things from the trunk within a preset range from the opened trunk so as to remind the person of the collision risk when the vehicle is determined to have the collision risk;
wherein the light emitting device comprises at least one light source disposed on an interior sidewall of the trunk remote from the trunk opening location.
2. The vehicle of claim 1, wherein the light emitting device comprises a plurality of light sources distributed in a ring.
3. The vehicle according to claim 2, characterized by further comprising a reflector provided in the trunk for reflecting light emitted from the light-emitting device.
4. The vehicle of claim 3, wherein the plurality of light sources are distributed annularly about the reflector.
5. A collision warning method, the method comprising:
acquiring driving information of a target object;
judging whether a collision risk caused by a rear target object exists between the current vehicle and the target object or not according to the running information;
if the collision risk exists between the current vehicle and the target object, collision early warning information is output to a person who gets things from a trunk within a preset range away from the trunk opened by the current vehicle through a light-emitting device arranged in the trunk of the current vehicle, so that the person is reminded of the collision risk;
wherein the light emitting device comprises at least one light source arranged on the inner side wall of the trunk far away from the opening position of the trunk.
6. The method of claim 5, wherein the driving information comprises: at least one of position, velocity, acceleration, and direction of movement;
the acquiring of the driving information of the target object includes:
at least one of a position, a velocity, an acceleration, and a moving direction of the target object is acquired.
7. The method according to claim 5, wherein the determining whether the current vehicle and the target object have the risk of collision according to the driving information comprises:
obtaining the collision time of the current vehicle and the target object according to the driving information;
obtaining the distance between the current vehicle and the target object according to the driving information;
and judging whether the current vehicle and the target object have collision risks or not according to the distance between the current vehicle and the target object or the collision time.
8. The method according to claim 7, wherein if there is a collision risk between the current vehicle and the target object, outputting collision warning information to an object within a preset range from the current vehicle trunk through a light-emitting device disposed in the current vehicle trunk, the method comprising:
and under the condition that the trunk is opened, when the collision time is less than a first threshold value, outputting collision early warning information to an object within a preset range away from the current vehicle trunk.
9. The method according to claim 7, wherein if there is a collision risk between the current vehicle and the target object, outputting collision warning information to an object within a preset range from the current vehicle trunk through a light-emitting device disposed in the current vehicle trunk, the method comprising:
and under the condition that the trunk is opened, when the distance between the current vehicle and the target object is smaller than a second threshold value, outputting collision early warning information to the object within a preset range from the current vehicle trunk.
10. The method according to any one of claims 5 to 9, further comprising:
through the flicker of the light-emitting device, collision early warning information is output to the object which is within a preset range from the current vehicle trunk; and/or
And outputting collision early warning information to an object within a preset range away from the current vehicle trunk through the color change of the light-emitting device.
11. The method of claim 10, further comprising:
controlling a flicker frequency of the light emitting device according to a collision time of the current vehicle with the target object or a distance between the current vehicle and the target object; and/or
Controlling a color change of the light emitting device according to a collision time of the current vehicle with the target object or a distance between the current vehicle and the target object.
12. A collision warning apparatus, the apparatus comprising:
a travel information acquisition module configured to acquire travel information of a target object;
a collision risk judgment module configured to judge whether there is a collision risk caused by a rear target object between a current vehicle and the target object according to the driving information;
the early warning module is configured for outputting collision early warning information to a person who gets things from a trunk within a preset range away from the trunk opened by the current vehicle through a light-emitting device arranged in the trunk of the current vehicle if the current vehicle and the target object have the collision risk, so as to remind the person of the collision risk;
wherein the light emitting device comprises at least one light source disposed on an interior sidewall of the trunk remote from the trunk opening location.
13. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the method of any of claims 5 to 11 when executing the computer program.
14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 5 to 11.
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| CN201811398363.XA CN111210660B (en) | 2018-11-22 | 2018-11-22 | Collision early warning method and device, computer equipment, storage medium and vehicle |
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| CN201811398363.XA CN111210660B (en) | 2018-11-22 | 2018-11-22 | Collision early warning method and device, computer equipment, storage medium and vehicle |
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| CN112590984B (en) * | 2020-12-03 | 2022-07-29 | 江门市大长江集团有限公司 | Anti-collision alarm device and method for motorcycle rearview mirror and computer equipment |
| CN114137980B (en) * | 2021-11-29 | 2022-12-13 | 广州小鹏自动驾驶科技有限公司 | Control method and device, vehicle and readable storage medium |
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