CN111210660B - Collision warning method, device, computer equipment, storage medium and vehicle - Google Patents

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

Collision warning method, device, computer equipment, storage medium and vehicle

technical field

The present application relates to the field of vehicle technology, in particular to a collision warning method, device, computer equipment, storage medium and vehicle.

Background technique

In recent years, vehicle rear-end collision accidents have occurred frequently, and it is inevitable that you will encounter emergency braking due to emergencies during driving. The driver's reaction speed, weather, road conditions and other factors will affect the braking distance. Therefore, the distance between vehicles Keeping a safe distance is extremely important.

However, if the distance between the two vehicles is too close and less than the safe distance, then when a person takes something from the trunk of the vehicle, he may encounter the risk of collision caused by the rear-end collision of the vehicle behind.

SUMMARY OF THE INVENTION

Based on this, it is necessary to address the above technical problems and provide a collision warning method, device, computer equipment, storage medium and vehicle that can send warning information to objects such as people within the preset range of the trunk in advance.

A vehicle, including a trunk, the vehicle also includes a sensor and a light emitting device, the light emitting device is arranged in the trunk; the sensor is configured to sense whether the vehicle has a collision risk; the light emitting The device is configured to output collision warning information to objects within a preset range from the trunk when it is determined that the vehicle has a collision risk.

In one of the embodiments, the light emitting device includes at least one light source, and the at least one light source is arranged on an inner side wall of the trunk at a position away from the trunk opening.

In one of the embodiments, the light emitting device includes a plurality of light sources, and the plurality of light sources are distributed in a ring shape.

In one of the embodiments, a reflector is further included, and the reflector is arranged in the trunk for reflecting the light emitted by the light emitting device.

In one of the embodiments, the plurality of light sources are distributed in a ring around the reflector.

A collision warning method, the method comprising:

Obtain the driving information of the target object;

According to the driving information, it is judged whether there is a collision risk between the current vehicle and the target object;

If there is a risk of collision between the current vehicle and the target object, output collision warning information to objects within a preset range from the trunk of the current vehicle through a light emitting device disposed in the trunk of the current vehicle.

In one of the embodiments, the driving information includes: at least one of position, speed, acceleration and moving direction;

The acquisition of the driving information of the target object includes:

Acquiring at least one of the position, velocity, acceleration and moving direction of the target object.

In one of the embodiments, the judging whether there is a risk of collision between the current vehicle and the target object according to the driving information includes:

Obtaining the 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 driving information;

According to the distance between the current vehicle and the target object or the collision time, it is judged whether there is a collision risk between the current vehicle and the target object.

In one of the embodiments, if there is a risk of collision between the current vehicle and the target object, through the light emitting device installed in the trunk of the current vehicle, The object outputs collision warning information, including:

When the trunk is open, when the collision time is less than a first threshold, output collision warning information to objects within a preset range from the trunk of the current vehicle.

In one of the embodiments, if there is a risk of collision between the current vehicle and the target object, through the light emitting device installed in the trunk of the current vehicle, The object outputs collision warning information, including:

When the trunk is open, when the distance between the current vehicle and the target object is less than a second threshold, output collision warning information to objects within a preset range from the trunk of the current vehicle.

In one embodiment, the method also includes:

Outputting collision warning information to objects within a preset range from the trunk of the current vehicle through the flickering of the light emitting device; and/or

Through the color change of the light emitting device, collision warning information is output to objects within a preset range from the trunk of the current vehicle.

In one embodiment, the method also includes:

According to the collision time between the current vehicle and the target object or the distance between the current vehicle and the target object, control the blinking frequency of the light emitting device; and/or

According to the collision time between the current vehicle and the target object or the distance between the current vehicle and the target object, the color change of the light emitting device is controlled.

A collision warning device, said device comprising:

a driving information acquisition module configured to acquire the driving information of the target object;

A collision risk judging module 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 is configured to, if there is a risk of collision between the current vehicle and the target object, send a warning message to an object within a preset range from the current vehicle trunk through the light emitting device installed in the current vehicle trunk Output collision warning information.

A computer device, comprising a memory and a processor, the memory stores a computer program, and the processor implements the following steps when executing the computer program:

Obtain the driving information of the target object;

According to the driving information, it is judged whether there is a collision risk between the current vehicle and the target object;

If there is a risk of collision between the current vehicle and the target object, output collision warning information to objects within a preset range from the trunk of the current vehicle through a light emitting device disposed in the trunk of the current vehicle.

A computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

Obtain the driving information of the target object;

According to the driving information, it is judged whether there is a collision risk between the current vehicle and the target object;

If there is a risk of collision between the current vehicle and the target object, output collision warning information to objects within a preset range from the trunk of the current vehicle through a light emitting device disposed in the trunk of the current vehicle.

The above-mentioned collision warning method, device, computer equipment, storage medium, and vehicle judge whether there is a collision risk between the current vehicle and the target object through the driving information of the target object. If there is a collision risk between the current vehicle and the target object, then by setting The light-emitting device in the trunk of the vehicle outputs collision warning information to objects within the preset range from the trunk of the current vehicle. The above-mentioned collision warning method, device, computer equipment, storage medium, and vehicle can send warning information to objects within the preset range of the trunk in advance, so that the objects within the preset range of the trunk can evacuate from the dangerous area in time, thereby avoiding the collision between the rear vehicle and the vehicle. Risk of collision with objects within the preset range of the trunk.

Description of drawings

Fig. 1 is a schematic view of the trunk structure of a vehicle in an embodiment;

Fig. 2 is the trunk structure schematic diagram of another kind of vehicle in an embodiment;

Fig. 3 is an application environment diagram of the collision warning method in an embodiment;

Fig. 4 is a schematic flow chart of a collision warning method in an embodiment;

Fig. 5 is a schematic flow chart of the collision risk judgment step in an embodiment;

Fig. 6 is a structural block diagram of a collision warning device in an embodiment;

Figure 7 is an internal block diagram of a computer device in one embodiment.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

In one embodiment, as shown in FIG. 1 , a vehicle is provided, including a trunk 100, wherein the vehicle further includes a sensor 10 and a light emitting device 11, and the light emitting device 11 is arranged in the trunk 100; the sensor 10 is It is configured to sense whether the vehicle has a collision risk; the light emitting device 11 is configured to output collision warning information to objects within a preset range from the trunk 100 when the vehicle has a collision risk. Wherein, the preset range can be 1 meter, 2 meters or more, and the preset range can be flexibly configured according to actual needs, which is not specifically limited here.

By installing sensors on the vehicle and installing a light-emitting device in the trunk, the above-mentioned vehicle can sense the risk of collision in advance, and perform collision warning for objects within the preset range of the trunk of the vehicle.

In one embodiment, as shown in FIG. 1 , the lighting device 11 of the vehicle includes a plurality of light sources, and the plurality of light sources are arranged on the inner side wall of the trunk 100 at a position away from the opening of the trunk 100 .

Wherein, the light-emitting device 11 can be LED, OLED, etc., for example, light-emitting diodes including multiple colors (eg, red, blue, yellow), or a display module such as an LCD liquid crystal display. The multiple light sources of the light emitting device 11 may be distributed scatteredly, or may be distributed regularly, for example, the multiple light sources are distributed in a ring shape. The light emitting device 11 may be a plurality of spaced light sources arranged around the side wall of the trunk 100 away from the opening, or a continuous light emitting device 11 formed by splicing a plurality of light sources. Collision risk includes the risk of a vehicle being rear-ended by a vehicle behind it. The multiple light sources of the light emitting device 11 can be turned on at the same time, and can also be partially turned on at a certain time sequence according to the level of the collision risk, for example: when an emergency collision risk is sensed, multiple light sources are turned on at the same time; When there is an emergency collision risk, the plurality of light sources can be partially turned on. As the degree of urgency increases, for example, the risk of collision becomes higher and higher, the plurality of light sources are gradually turned on. In addition, the brightness of the light emitting device 11 can also be adjusted as the collision The increase in risk levels is getting brighter.

In one of the embodiments, as shown in FIG. 2 , the vehicle includes a trunk 200, a sensor 20, a light emitting device 21 and a reflector 22, and the sensor 20 is configured to sense whether the vehicle has a collision risk; the light emitting device 21 is It is configured to output collision warning information to objects within a preset range from the trunk 200 when the vehicle has a collision risk; the reflector 22 is arranged in the trunk 200 for reflecting the light emitted by the light emitting device 21 .

Wherein, the multiple light sources of the light emitting device 21 can be distributed scatteredly around the reflector 22 , or can be distributed regularly around the reflector 22 , for example: multiple light sources are distributed around the reflector 22 in a ring shape. The light emitting device 11 may be a plurality of spaced light sources arranged around the reflector 22 , or may be a continuous light emitting device 21 formed by splicing a plurality of light sources. When the light-emitting device 11 emits light, the reflector 22 can reflect the light emitted by the light-emitting device 21 to further remind people at the rear of the vehicle and other objects, so as to further effectively remind people at the rear of the vehicle according to the risk of collision object.

The above-mentioned vehicle is equipped with a light-emitting device in the trunk in various ways, and lights up multiple light sources of the light-emitting device according to the urgency of the collision risk, and can output collision warning information to people and other objects located at the rear of the vehicle according to the urgency of the collision risk , so that the collision warning is more effective.

The collision warning method provided in this application can be applied to the application environment shown in FIG. 3 . Among them, the current vehicle 102 uploads the driving information of the target object 106 to the terminal 108 through the on-board sensor 104, and the terminal 108 can judge whether there is a collision risk between the current vehicle 102 and the target object 106 according to the driving information of the target object 106. If the current vehicle 102 If there is a risk of collision with the target object 106 , the terminal 108 outputs collision warning information to objects within a preset range from the trunk of the current vehicle 102 through the light emitting device installed in the trunk of the current vehicle 102 . Among them, the terminal 108 can be various personal computers, notebook computers, smart phones, tablet computers, portable wearable devices; it can also be a certain device in the current vehicle, such as central control equipment, auxiliary driving equipment, car machine and navigation equipment In addition, the terminal 108 can also be a cloud server (Online server), and the cloud server can be realized by an independent server or a server cluster composed of multiple servers, and is connected to the current vehicle 102 through a wireless network. The current vehicle 102 may be, but not limited to, a vehicle with a trunk, such as an automobile, and various variants of a vehicle with a trunk. Wherein, the vehicle involved here may be a single oil road vehicle, a single air road vehicle, a combination of oil and gas, or a hybrid of oil and electricity.

In one embodiment, as shown in FIG. 2 , a collision warning method is provided. The method is applied to the terminal in FIG. 1 as an example for illustration, including the following steps:

Step 202, acquiring the driving information of the target object.

Among them, the target objects include pedestrians around the current vehicle, cars, motorcycles, bicycles, tricycles, etc. driving around the current vehicle; driving information refers to the driving parameters during the driving process of the vehicle or pedestrians, including position, speed, At least one of acceleration and moving direction. The terminal can obtain the driving information of the target object through the vehicle sensor. The on-vehicle sensor may be an image sensor. In addition, the terminal can also accept the driving information uploaded by the target object.

Step 204, according to the driving information, determine whether there is a collision risk between the current vehicle and the target object.

Among them, the terminal can judge whether there is a collision risk between the current vehicle and the target object according to the driving information such as the position, speed, acceleration, and moving direction of the target object.

Step 206, if there is a risk of collision between the current vehicle and the target object, output collision warning information to objects within a preset range from the current vehicle trunk through the light emitting device installed in the current vehicle trunk .

Wherein, the preset range can be 1 meter, 2 meters or more, and the preset range can be flexibly configured according to actual needs, which is not specifically limited here. When there is a risk of collision between the current vehicle and the target object, the terminal can output collision warning information to objects within a preset range from the trunk of the current vehicle through the light emitting device installed in the trunk of the current vehicle for early warning. Wherein, the objects within the preset range from the trunk of the current vehicle include people, automobiles, motorcycles, bicycles, tricycles, etc. within the preset range from the trunk of the current vehicle.

In the above-mentioned collision warning method, it is judged whether there is a collision risk between the current vehicle and the target object through the driving information of the target object. Output collision warning information for objects within a preset range from the trunk of the current vehicle. The above-mentioned collision warning method, device, computer equipment and storage medium can send warning information to objects within the preset range of the trunk in advance, so that the objects within the preset range of the trunk can evacuate from the dangerous area in time, thereby avoiding the collision between the rear vehicle and the trunk. Objects within the preset range are at risk of collision.

In one of the embodiments, step 202 specifically includes: acquiring at least one of the target object's position, velocity, acceleration and moving direction.

Among them, the terminal can detect the driving information such as the position, speed, acceleration, and moving direction of multiple upcoming targets through the vehicle-mounted sensor. Optionally, the on-board sensor may be a camera, radar, lidar or other devices capable of detecting driving information such as the position, speed, acceleration and moving direction of the target object.

In one embodiment, as shown in FIG. 4 , a collision warning method is provided, wherein step 204 specifically includes the following steps:

Step 2042: Obtain the collision time between the current vehicle and the target object according to the driving information.

Among them, the collision time refers to the estimated time when the collision between the current vehicle and the target object will occur; the terminal can obtain the collision time between the current vehicle and the target object according to the driving information such as the position, speed, acceleration, and moving direction of the target object .

Step 2044, obtain the distance between the current vehicle and the target object according to the driving information.

Wherein, the terminal can obtain the distance between the current vehicle and the target object according to the driving information such as the position, speed, acceleration, and moving direction of the target object.

Step 2046, according to the distance between the current vehicle and the target object or the collision time, determine whether there is a collision risk between the current vehicle and the target object.

Among them, 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, and judge whether the distance between the current vehicle and the target object or the collision time between the current vehicle and the target object falls within the The preset judgment interval is used to judge whether there is a collision risk between the current vehicle and the target object. If there is a collision risk between the current vehicle and the target object, the terminal can perform a collision warning.

In the above collision warning method, according to the collision time between the current vehicle and the target object and the distance between the current vehicle and the target object, it is judged whether there is a collision risk between the current vehicle and the target object. The method can give early warning to the risk of rear-end collision between vehicles, and can avoid the collision.

In one of the embodiments, a collision warning method is provided, wherein step 206 specifically includes: when the trunk is open, when the collision time is less than a first threshold, send a warning to the trunk of the current vehicle. Set the objects within the range to output collision warning information.

Wherein, the first threshold refers to the minimum collision time. For example, the first threshold is 5s, which means that the target object will collide with the current vehicle within 5s, and the collision warning information needs to be output before the first threshold. The first threshold may be set according to the relative position between the current vehicle and the target object and the external environment (eg, road conditions, etc.), which is not specifically limited here.

Specifically, when the trunk is open, if the collision time between the current vehicle and the target object is less than the first threshold, that is, the collision time between the current vehicle and the target object is within the minimum collision time, the possibility of collision at this time If the reliability is high, the terminal can output collision warning information to objects within the preset range from the trunk of the current vehicle.

In one of the embodiments, a collision warning method is provided, wherein step 206 further includes: when the trunk is open, when the distance between the current vehicle and the target object is less than a second threshold, Outputting collision warning information to objects within a preset range from the trunk of the current vehicle.

Wherein, the second threshold refers to a safe distance between the current vehicle and the target object. For example, if the second threshold is 1 meter, it means that the safe distance between the current vehicle and the target object is 1 meter. Specifically, when the trunk is open, if the distance between the current vehicle and the target object is less than the second threshold, that is, the distance between the current vehicle and the target object is less than the safety distance, the possibility of collision at this time If it is very high, the terminal can output collision warning information to objects within the preset range from the trunk of the current vehicle.

In the above collision warning method, the collision warning information is output to objects within a preset range from the trunk of the current vehicle based on several situations with a high possibility of collision. The method can provide early warning of collisions, so that objects within the preset range of the trunk can evacuate from dangerous areas in time, thereby reducing the risk of collisions.

In one embodiment, a collision warning method is provided, wherein, through the blinking of the light emitting device, collision warning information can be output to objects within a preset range from the trunk of the current vehicle.

Specifically, the terminal can control the flashing frequency of the light emitting device according to the collision time between the current vehicle and the target object, or the distance between the current vehicle and the target object, thereby causing the preset range of the trunk For example: the shorter the collision time between the current vehicle and the target object, the faster the terminal controls the flashing frequency of the light-emitting device; the smaller the distance between the current vehicle and the target object, the shorter the terminal controls the light-emitting device The faster the blinking frequency of the device.

In one embodiment, a collision warning method is provided, wherein, through the color change of the light emitting device, collision warning information can be output to objects within a preset range from the trunk of the current vehicle.

Specifically, the terminal can control the color change of the light emitting device according to the collision time between the current vehicle and the target object, or the distance between the current vehicle and the target object, thereby causing the preset range of the trunk to change. The attention of the objects within, for example: the shorter the collision time between the current vehicle and the target object, the more obvious and eye-catching color (red or yellow) the color of the terminal control light-emitting device is; The smaller the distance, the more obvious and eye-catching color (red or yellow) the color of the light emitted by the terminal control light emitting device.

In the above collision warning method, according to the urgency of the collision, the flickering frequency or color change of the light-emitting device can be controlled, so that the collision warning can be more targeted, so that the objects within the preset range of the trunk can The urgency of the collision can be judged by changing the situation.

It should be understood that although the various steps in the flowcharts of FIGS. 4-5 are shown sequentially as indicated by the arrows, these steps are not necessarily executed sequentially in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least some of the steps in Figures 4-5 may include multiple sub-steps or multiple stages, these sub-steps or stages are not necessarily executed at the same time, but may be performed at different times, these sub-steps or stages The order of execution is not necessarily performed sequentially, but may be performed alternately or alternately with at least a part of other steps or sub-steps or stages of other steps.

In one embodiment, as shown in FIG. 6 , a collision warning device is provided, including: a driving information acquisition module 301, a collision risk judging module 302, and an early warning module 303, wherein:

The driving information acquisition module 301 is configured to acquire the driving information of the target object;

The collision risk judging module 302 is 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 risk of collision between the current vehicle and the target object, through the light emitting device arranged in the trunk of the current vehicle, send a message to a vehicle within a preset range from the trunk of the current vehicle The object outputs collision warning information.

In one embodiment, the driving information obtaining module 301 is specifically configured to obtain at least one of the target object's position, speed, acceleration and moving direction.

In one embodiment, the collision risk judging module 302 is specifically configured to obtain the 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 driving information;

According to the distance between the current vehicle and the target object or the collision time, it is judged whether there is a collision risk between the current vehicle and the target object.

In one embodiment, the early warning module 303 is specifically configured to output a collision to an object within a preset range from the trunk of the current vehicle when the time to collision is less than a first threshold when the trunk is open. Early warning information.

In another embodiment, the early warning module 303 is specifically configured to, when the distance between the current vehicle and the target object is less than a second threshold, send Objects within the preset range of the trunk output collision warning information.

In yet another embodiment, the warning module 303 is specifically configured to output collision warning information to objects within a preset range from the trunk of the current vehicle through the blinking of the light-emitting device when the trunk is opened. ;and / or

Through the color change of the light emitting device, collision warning information is output to objects within a preset range from the trunk of the current vehicle.

For the specific limitations of the collision warning device, please refer to the above definition of the collision warning method, which will not be repeated here. Each module in the above-mentioned collision warning device can be fully or partially realized by software, hardware and a combination thereof. The above modules can be embedded in or independent of the processor in the computer device in the form of hardware, or stored in the memory in the computer device in the form of software, so that the processor can call and execute the operations corresponding to the above modules.

In one embodiment, a computer device is provided. The computer device may be a server, and its internal structure may be as shown in FIG. 7 . The computer device includes a processor, memory, network interface and database connected by a system bus. Wherein, the processor of the computer device is used to provide calculation and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs and databases. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage medium. The database of the computer device is used to store collision warning data. The network interface of the computer device is used to communicate with an external terminal via a network connection. When the computer program is executed by the processor, a collision warning method is realized.

Those skilled in the art can understand that the structure shown in Figure 7 is only a block diagram of a part of the structure related to the solution of this application, and does not constitute a limitation to the computer equipment on which the solution of this application is applied. The specific computer equipment can be More or fewer components than shown in the figures may be included, or some components may be combined, or have a different arrangement of components.

In one embodiment, a computer device is provided, including a memory and a processor, a computer program is stored in the memory, and the processor implements the following steps when executing the computer program:

Obtain the driving information of the target object;

According to the driving information, it is judged whether there is a collision risk between the current vehicle and the target object;

If there is a risk of collision between the current vehicle and the target object, output collision warning information to objects within a preset range from the trunk of the current vehicle through a light emitting device disposed in the trunk of the current vehicle.

When the processor executes the computer program, the steps of the collision warning method in any of the above embodiments can also be implemented.

In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

Obtain the driving information of the target object;

According to the driving information, it is judged whether there is a collision risk between the current vehicle and the target object;

If there is a risk of collision between the current vehicle and the target object, output collision warning information to objects within a preset range from the trunk of the current vehicle through a light emitting device disposed in the trunk of the current vehicle.

When the computer program is executed by the processor, the steps of the collision warning method in any of the above embodiments can also be implemented.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage In the medium, when the computer program is executed, it may include the processes of the above-mentioned method embodiments. Wherein, any references to memory, storage, database or other media used in the various embodiments provided in the present application may include non-volatile and/or volatile memory. Nonvolatile 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 many forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Chain Synchlink DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, all It is considered to be the range described in this specification.

The above-mentioned embodiments only represent several implementation modes of the present application, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the scope of the patent for the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the scope of protection of the patent application should be based on 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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