CN113689722A - Traffic early warning method, electronic device and storage medium - Google Patents
Traffic early warning method, electronic device and storage medium Download PDFInfo
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Abstract
The application provides a traffic early warning method, electronic equipment and a storage medium, wherein the method comprises the following steps: receiving driving information of the terminal equipment, wherein the driving information comprises a real-time position; judging whether the distance between the real-time position of the terminal equipment and an early warning place in a preset map traffic information base is smaller than a preset threshold value or not; and if so, generating an early warning message according to the speed limit information corresponding to the early warning place, and sending the early warning message to the terminal equipment in a rich media information form. In the implementation process, firstly, the server receives the real-time position of the terminal equipment; and then, judging whether the distance between the position and an early warning place in a preset map traffic information base is smaller than a preset threshold value or not, if so, packaging the early warning message into a rich media information form, and sending the early warning message to the terminal equipment. The traffic early warning message is acquired according to the real-time position of the terminal equipment, so that the early warning message has real-time performance.
Description
Technical Field
The present application relates to the field of traffic safety, and in particular, to a traffic early warning method, an electronic device, and a storage medium.
Background
With the increasing development of road traffic and the increase of vehicles, traffic becomes increasingly busy. Meanwhile, the problems of traffic accidents and road congestion are becoming more and more significant. The traffic early warning method is used for reminding a driver of the speed limit value of the road section in advance when a vehicle is about to pass through an early warning point so as to maintain the road traffic safety. However, at present, the traffic warning is mainly to warn the driver through a road side signboard or broadcast, so that the broadcasted traffic warning message is not real-time. And after the traffic early warning is usually acquired by downloading and installing software from an application store, a driver can acquire the traffic-related early warning information, which brings inconvenience to the driver in acquiring the traffic-related early warning information.
Disclosure of Invention
An object of the embodiments of the present application is to provide a traffic warning method, an electronic device, and a storage medium, so as to solve a problem that obtaining traffic-related warning information is inconvenient.
In a first aspect, an embodiment of the present application provides a traffic early warning method, including: receiving driving information of the terminal equipment, wherein the driving information comprises a real-time position; judging whether the distance between the real-time position of the terminal equipment and an early warning place in a preset map traffic information base is smaller than a preset threshold value or not; and if so, generating an early warning message according to the speed limit information corresponding to the early warning place, and sending the early warning message to the terminal equipment in a rich media information form. In the implementation process, the early warning message of the early warning place is acquired according to the real-time position of the terminal equipment, so that the early warning message has real-time performance.
Optionally, in this embodiment of the present application, the speed limit information is a static speed limit value; generating an early warning message according to the speed limit information corresponding to the early warning place, wherein the method comprises the following steps: finding out speed limit information corresponding to the early warning place in a preset map traffic information base; and packaging the speed limit information corresponding to the early warning place into a rich media information form to obtain the early warning message. In the implementation mode, the corresponding speed limit information is packaged in the form of rich media, and the form of the rich media information is fused with a plurality of media formats, so that the richness of the early warning message can be increased. In addition, the rich media information is received without independently installing third-party software by a user, so that the convenience of traffic early warning is improved.
Optionally, in this embodiment of the present application, the speed limit information is a static speed limit value; before the speed limit information corresponding to the early warning place is found in the preset map traffic information base, the method further comprises the following steps: and acquiring a static speed limit value, and updating the speed limit information corresponding to the early warning place according to the static speed limit value. In the implementation process, the temporary adjustment of the static speed limit is realized, and the flexibility of the adjustment of the static speed limit is increased.
Optionally, in this embodiment of the application, the speed limit information is a dynamic speed limit value or a suggested speed value; before the speed limit information corresponding to the early warning place is found in the preset map traffic information base, the method further comprises the following steps: receiving video information sent by roadside sensing equipment; sending the video information to equipment so that the edge computing equipment can compute the video information to obtain a dynamic speed limit value or a suggested speed value corresponding to the early warning place; and updating the speed limit information corresponding to the early warning place according to the dynamic speed limit value or the suggested speed value corresponding to the early warning place. In the implementation process, the roadside sensing equipment acquires video information of traffic conditions of a road in real time, and then the edge computing equipment computes the video information to obtain a dynamic speed limit value and a suggested speed value. Because the edge computing is closer to the roadside than the cloud computing, the information transmission time delay is lower, and the dynamic speed limit value has real-time performance.
In a second aspect, an embodiment of the present application provides a traffic early warning device, including: the information receiving module is used for receiving the driving information of the terminal equipment, and the driving information comprises the driving information of the real-time position receiving terminal equipment; the judging module is used for judging whether the distance between the real-time position of the terminal equipment and the early warning place in the preset map traffic information base is smaller than a preset threshold value or not; and the information sending module is used for generating an early warning message according to the speed limit information corresponding to the early warning place and sending the early warning message to the terminal equipment in a rich media information form if the distance between the real-time position of the terminal equipment and the early warning place in the preset map traffic information base is smaller than a preset threshold value.
Optionally, in this embodiment of the present application, the apparatus further includes: the query module is used for searching out the speed limit information corresponding to the early warning place in a preset map traffic information base; and the conversion module is used for packaging the speed limit information corresponding to the early warning place into a rich media information form to obtain the early warning message.
Optionally, in this embodiment of the present application, the apparatus further includes: and the information updating module is used for acquiring the static speed limit value and updating the speed limit information corresponding to the early warning place according to the static speed limit value.
Optionally, in this embodiment of the present application, the apparatus further includes: the information receiving module is also used for receiving video information sent by the roadside sensing equipment; the calculation module is used for sending the video information to the edge calculation equipment so that the edge calculation equipment can calculate the video information to obtain a dynamic speed limit value or a suggested speed value corresponding to the early warning place; and the information updating module is used for updating the speed limit information corresponding to the early warning place according to the dynamic speed limit value or the suggested speed value corresponding to the early warning place.
In a third aspect, an embodiment of the present application provides an electronic device, which includes a processor and a memory, where the memory stores computer-readable instructions, and when the computer-readable instructions are executed by the processor, the steps in the method as provided in the first aspect are executed.
In a fourth aspect, embodiments of the present application provide a readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, performs the steps in the method as provided in the first aspect.
Additional features and advantages of the present application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the present application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
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In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a traffic warning method according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of interaction between a terminal device and an edge computing device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a traffic warning device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Before introducing the traffic early warning method provided by the embodiment of the present application, some concepts related in the embodiment of the present application are introduced:
rich media Communication (RCS), also called converged Communication, is a Communication method that merges Communication Services such as voice, message, status bar, location service, etc. to enrich the client experience of native applications of mobile phones such as conversation, short message, contact, etc. The RCS service is directly associated with the mobile phone number, and the user number is an account number without registration. Through the RCS on the mobile phone, not only characters, pictures or videos are sent, but also an interactive function is achieved. The RCS based on the operator network does not need to independently install third-party software, the mobile phone can be supported originally, the use threshold of a user and the complexity of service use are reduced, and a platform island is opened (account number does not need to be independently registered in each merchant).
Edge Computing (MEC) refers to an open platform integrating network, Computing, storage, and application core capabilities on the side close to an object or a data source to provide a nearest service nearby. The application program is initiated at the edge side, so that a faster network service response is generated, and the basic requirements of the industry in the aspects of real-time business, application intelligence, safety, privacy protection and the like are met. The edge computation is between the physical entity and the industrial connection, or on top of the physical entity. And the cloud computing still can access the historical data of the edge computing.
The Transmission Control Protocol (TCP) is a connection-oriented, reliable transport layer communication Protocol based on a byte stream.
The User Datagram Protocol (UDP) is a connectionless transport layer Protocol in an OSI (Open System Interconnection) reference model, and provides a transaction-oriented simple unreliable information transfer service.
Smart contract (Smart contract), is a computer protocol intended to propagate, verify or execute contracts in an informational manner.
It should be noted that the terminal devices in the traffic warning method provided in the embodiment of the present application include, but are not limited to, a smart phone, a Personal Computer (PC), a tablet computer, a smart watch, a Personal Digital Assistant (PDA), a vehicle-mounted computer, and the like.
Before introducing the traffic early warning method provided by the embodiment of the present application, an application scenario applicable to the traffic early warning method is introduced, where the application scenario includes, but is not limited to: when a traffic accident, a weather reason or other factors occur on a road or an expressway, the road or the expressway causes road section running congestion or vehicles to run slowly, the edge computing equipment is used for computing the running information on a preset map, and the early warning message is obtained.
Please refer to fig. 1, which illustrates a flow diagram of a traffic warning method provided in an embodiment of the present application; the traffic early warning method provided by the embodiment of the application has the main ideas that firstly, a server receives the real-time position of terminal equipment; and then, judging whether the distance between the position and an early warning place in a preset map traffic information base is smaller than a preset threshold value or not, if so, packaging the early warning message into a rich media information form, and sending the early warning message to the terminal equipment. The traffic early warning message is acquired according to the real-time position of the terminal equipment, so that the early warning message has real-time performance. In addition, various media formats are fused in the rich media information form, the richness of the early warning message is increased, the rich media does not need a user to independently install third-party software, and the convenience of acquiring traffic early warning by drivers and conductors is improved. The following describes a flow of a traffic early warning method, which includes:
step S100: and receiving the driving information of the terminal equipment, wherein the driving information comprises the real-time position.
In addition, the running information of the terminal device in step S100 further includes: the real-time traffic warning information can be obtained through calculation according to the running information. Wherein the travel information of the receiving terminal device may be received based on TCP or UDP.
After step S100, step S200 is performed: and judging whether the distance between the real-time position of the terminal equipment and the early warning place in the preset map traffic information base is smaller than a preset threshold value or not.
After the step S200, if the judgment result is yes, executing a step S300, namely generating an early warning message according to the speed limit information corresponding to the early warning place, and sending the early warning message to the terminal equipment in a rich media information form.
In the step S200, the early warning message of the early warning location is obtained according to the real-time position of the terminal device, so that the early warning message has real-time performance.
The execution flow of steps S100 to S300 is described in detail below:
step S210: and acquiring the real-time position of the terminal equipment.
In step S210, the manner of acquiring the real-time location of the terminal device includes, but is not limited to, the following three manners: a first mode, which is to position and acquire a terminal device through a Global Positioning System (GPS); in the second mode, the terminal equipment is positioned and acquired through a Beidou Satellite Navigation System (BDS); in the third mode, the current position is input on the terminal equipment by a user to obtain the real-time position.
After step S210, step S200 is performed: and judging whether the distance between the real-time position of the terminal equipment and the early warning place in the preset map traffic information base is smaller than a preset threshold value or not.
In the step S200, the preset threshold may be set by the user at the terminal device, and specifically, the step of setting the threshold of the distance between the terminal device and the early warning location by the user includes the following steps:
and step S221, the distance thresholds are sent to the terminal equipment, so that the terminal equipment selects a target distance threshold from the distance threshold options.
In the step S222, for example, the sent distance thresholds are 500 meters, 800 meters, 1000 meters, and the like, and the user may set 800 meters as the target distance threshold at the terminal device, and then when the position of the terminal device is 800 meters away from the early warning location, the early warning message is generated according to the speed limit information corresponding to the early warning location.
After step S221, step S223 is executed to receive the target distance threshold sent by the terminal device, and associate the device identifier of the terminal device with the target distance threshold.
It should be noted that, in step S223, the device identifier of the terminal device may be a machine identifier of the device, for example, if the terminal device is a mobile phone, the device identifier may be a unique identification code of the mobile phone. In addition, the device identifier may also be an account identifier on the device, such as a cell phone number or the like. And if the association between the target distance threshold set by the user and the equipment identifier of the terminal equipment is unsuccessful, sending the association to the user terminal equipment, and setting an unsuccessful prompt to remind the user to reset the target distance threshold.
After step S223, step S224 is executed to determine whether the device identifier of the terminal device is associated with the target distance threshold.
After step S224, if the determination result is yes, step S225 is executed to use the target distance threshold as the preset threshold.
In step S225, specifically, for example, if the target distance threshold set by the user is 800 meters, the preset threshold is 800 meters.
After step S224, if the determination result is negative, step S225 is executed to use the default distance threshold as the preset threshold.
In step S225, the default distance threshold is set in advance by the system, and when the target distance threshold is not set by the user, the default distance threshold is used as the preset threshold. And when the distance between the terminal equipment and the early warning place is smaller than a default distance threshold value, generating an early warning message according to the speed limit information corresponding to the early warning place. For example, if the default distance threshold is 800 meters, when the distance between the terminal device and the early warning location is less than 800 meters, the early warning message is generated according to the speed limit information corresponding to the early warning location.
It should be noted that, the user may also actively request to obtain the warning message. For example, the user may send a planned route before departure, and send an early warning message request to acquire early warning information of all early warning points on the route. And after receiving the early warning message request sent by the end equipment, the server generates early warning messages of all early warning points on the current time point on the route and sends the early warning messages to the terminal equipment.
After step S220, if the determination result is yes, step S300 is executed: and generating an early warning message according to the speed limit information corresponding to the early warning place, and sending the early warning message to the terminal equipment in a rich media information form.
In the step S300, please refer to a schematic diagram of interaction between the terminal device and the edge computing device provided in the embodiment of the present application shown in fig. 2; it should be noted that the warning message is obtained by calculating the driving information through edge calculation. The edge computing device is a device in the block chain, and the early warning message is issued on the block chain network in the form of an intelligent contract. The early warning message is speed limit information, and the speed limit information comprises the following steps: dynamic speed limit values, static speed limit values and suggested speed values. The dynamic speed limit value is calculated and obtained according to the real-time traffic condition on site under the condition of sudden congestion of a road, such as debris flow, traffic accidents and slow-moving vehicles. The static speed limit value refers to a speed limit value of a road set by a relevant department or organization. In addition, the early warning message is packaged into a rich media information form, and the rich media information is received without independently installing third-party software by a user, so that the convenience of the user for obtaining the early warning message is improved.
Specifically, when the speed limit information is a static speed limit value, the step S300 includes the following sub-steps:
step S231: and searching the speed limit information corresponding to the early warning place in a preset map traffic information base.
It should be noted that the map traffic information base in step S231 may be updated at any time. For example, the road manager may update the speed limit information corresponding to the early warning location in the map traffic information base through a mobile phone, a computer, and other devices. The updated speed limit information can be sent to the terminal equipment in real time. By updating the static speed limit value, the flexibility of static speed limit adjustment is increased.
After step S231, step S232 is performed: and packaging the speed limit information corresponding to the early warning place into a rich media information form to obtain the early warning message, and sending the early warning message to the terminal equipment in the rich media information form.
When the speed limit information is a dynamic speed limit value, the step S300 includes the following substeps:
step S233: and receiving video information sent by the road side sensing equipment.
In step S233, the roadside sensing device may be a high-definition bayonet, a video camera, or the like. The road side sensing equipment can acquire the traffic condition of the road section where the device is located in real time.
After step S233, step S234 is executed: and sending the video information to edge computing equipment so that the edge computing equipment can compute the video information to obtain a dynamic speed limit value or a suggested speed value corresponding to the early warning place.
In step S234, the calculating of the dynamic speed limit value or the suggested speed value through the video information includes: the acquired video information is subjected to image analysis through the edge computing equipment, and whether a traffic accident, a natural disaster such as debris flow and the like occur in road traffic or not or the condition that a vehicle runs slowly due to road congestion caused by other reasons is judged. And then, according to the passing speed of the vehicle collected by the roadside speed measuring equipment or reported by a navigation system on the vehicle, calculating the average passing speed of the vehicle on the road section by using edge calculating equipment according to the collected passing speed of the vehicle, wherein if the average speed is less than a preset threshold value of the road section, the average speed is a dynamic speed limit value or a suggested speed value. In the implementation process, the edge computing is closer to the roadside than the cloud computing, so that the information transmission time delay is lower, and the dynamic speed limit value is enabled to have real-time performance.
After step S234, step S235 is performed: and updating the speed limit information corresponding to the early warning place according to the dynamic speed limit value or the suggested speed value corresponding to the early warning place.
It should be noted that the rich media includes a plurality of information formats, which include but are not limited to: picture format, text format, voice format, video format, and the like. The information of the picture format and the video format is collected in real time through the road side sensing equipment. For a plurality of information formats, a user may set one or more of the plurality of information formats as a target information format.
Specifically, the user setting the target information format comprises the following steps:
step S1: and sending the plurality of information formats to the terminal equipment so that the terminal equipment selects and returns the target information format from the plurality of information formats.
In step S1, for example, options of information formats such as a picture format, a text format, a voice format, a video format, and the like are sent to the terminal device for the terminal device to set a target information format among the options of the above information formats.
After the step S1, a step S2 is performed to receive the target information format transmitted by the terminal device and associate the device identifier of the terminal device with the target information format.
It should be noted that, in step S2, the device identifier of the terminal device may be a machine identifier of the device, for example, if the terminal device is a mobile phone, the device identifier may be a unique identification code of the mobile phone. In addition, the device identifier may also be an account identifier on the device, such as a cell phone number or the like. If the target information format set by the user is not successfully associated with the equipment identifier of the terminal equipment, the server sends a reminding message of successful association to the terminal equipment so as to remind the user to reset the target information format.
After step S2, step S3 is executed to determine whether the device id of the terminal device is associated with the target information format.
After the step S3, if the determination result is yes, step S4 is executed to send an early warning message to the terminal device in the target information format.
In step S4, for example, the user may set that only the information in the voice format is obtained, and the terminal device only receives the warning message of the voice broadcast. If the user sets to acquire only the information in the voice and video formats, the terminal device only receives the early warning message in the voice broadcast and video formats. The diversity of the information formats of the early warning messages enables a user to set the format of the received early warning messages according to actual requirements, and the flexibility of the information formats of the early warning messages is improved.
After the step S3, if the determination result is negative, step S5 is executed to send an early warning message to the terminal device in all information formats.
In step S3, if the user does not set the target information format on the terminal device, the terminal device receives the warning messages in all information formats. For example, if the warning message includes a picture format, a text format, a voice format, and a video format, the user may receive the warning message in the picture format, the text format, the voice format, and the video format. And under the condition that no target information format exists, the early warning messages in all information formats are sent to the terminal equipment, so that the user can know the traffic condition in all directions.
In the implementation process, the early warning message of the early warning place is acquired according to the real-time position of the terminal equipment, so that the early warning message has real-time performance. And the corresponding speed limit information is packaged in a rich media form, and the richness of the early warning message can be increased due to the fact that the rich media information form is fused with various media formats. In addition, the rich media does not need a user to independently install third-party software, and the convenience of the user for obtaining the traffic early warning is improved.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a traffic warning device according to an embodiment of the present disclosure; the embodiment of the application provides a traffic early warning device 400, including:
and an information receiving module 410, configured to receive driving information of the terminal device, where the driving information includes driving information of the real-time location receiving terminal device.
The determining module 420 is configured to determine whether a distance between the real-time location of the terminal device and an early warning location in the preset map traffic information base is smaller than a preset threshold.
And the information sending module 430 is configured to generate an early warning message according to the speed limit information corresponding to the early warning location if the distance between the real-time position of the terminal device and the early warning location in the preset map traffic information base is smaller than a preset threshold, and send the early warning message to the terminal device in a rich media information form.
Optionally, in this embodiment of the application, the traffic warning apparatus 400 further includes:
and the query module is used for searching the speed limit information corresponding to the early warning place in the preset map traffic information base.
And the conversion module is used for packaging the speed limit information corresponding to the early warning place into a rich media information form to obtain the early warning message.
Optionally, in this embodiment of the application, the traffic warning apparatus 400 further includes:
and the information searching module is used for searching the speed limit information corresponding to the early warning place in a preset map traffic information base.
And the information packaging module is used for packaging the speed limit information corresponding to the early warning place into a rich media information form to obtain the early warning message.
Optionally, in this embodiment of the application, the traffic warning apparatus 400 further includes:
and the information updating module is used for acquiring the static speed limit value and updating the speed limit information corresponding to the early warning place according to the static speed limit value.
Optionally, in this embodiment of the application, the traffic warning apparatus 400 further includes:
the information receiving module is specifically used for receiving video information sent by the roadside sensing equipment.
And the calculation module is used for sending the video information to the edge calculation equipment so as to enable the edge calculation equipment to calculate the video information and obtain the dynamic speed limit value or the suggested speed value corresponding to the early warning place.
And the information updating module is also used for updating the speed limit information corresponding to the early warning place according to the dynamic speed limit value or the suggested speed value corresponding to the early warning place.
It should be understood that the apparatus corresponds to the above-mentioned traffic warning method embodiment, and can perform the steps related to the above-mentioned method embodiment, the specific functions of the apparatus can be referred to the above description, and the detailed description is appropriately omitted here to avoid redundancy. The device includes at least one software function that can be stored in memory in the form of software or firmware (firmware) or solidified in the Operating System (OS) of the device.
Please refer to fig. 4 for a schematic structural diagram of an electronic device according to an embodiment of the present application. An electronic device 500 provided in an embodiment of the present application includes: a processor 510 and a memory 520, the memory 520 storing machine readable instructions executable by the processor 510, the machine readable instructions when executed by the processor 510 performing the method as above.
The embodiment of the application also provides a storage medium, wherein the storage medium is stored with a computer program, and the computer program is executed by a processor to execute the method.
The storage medium may be implemented by any type of volatile or nonvolatile storage device or combination thereof, such as a Static Random Access Memory (SRAM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), an Erasable Programmable Read-Only Memory (EPROM), a Programmable Read-Only Memory (PROM), a Read-Only Memory (ROM), a magnetic Memory, a flash Memory, a magnetic disk, or an optical disk.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules of the embodiments in the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above description is only an alternative embodiment of the embodiments of the present application, but the scope of the embodiments of the present application is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the embodiments of the present application, and all the changes or substitutions should be covered by the scope of the embodiments of the present application.
Claims (10)
1. A traffic early warning method is characterized by comprising the following steps:
receiving driving information of a terminal device, wherein the driving information comprises a real-time position;
judging whether the distance between the real-time position of the terminal equipment and an early warning place in a preset map traffic information base is smaller than a preset threshold value or not;
and if so, generating an early warning message according to the speed limit information corresponding to the early warning place, and sending the early warning message to the terminal equipment in a rich media information form.
2. The method of claim 1, wherein the speed limit information is a static speed limit value; the generating of the early warning message according to the speed limit information corresponding to the early warning place comprises:
finding out speed limit information corresponding to the early warning place in the preset map traffic information base;
and encapsulating the corresponding speed limit information into the rich media information form to obtain the early warning message.
3. The method of claim 2, wherein the speed limit information is a static speed limit value; before finding out the speed limit information corresponding to the early warning place in the preset map traffic information base, the method further comprises the following steps:
and acquiring a static speed limit value, and updating the speed limit information corresponding to the early warning place according to the static speed limit value.
4. The method according to claim 1, wherein the speed limit information is a dynamic speed limit value or a suggested speed value; before finding out the speed limit information corresponding to the early warning place in the preset map traffic information base, the method further comprises the following steps:
receiving video information sent by roadside sensing equipment;
sending the video information to edge computing equipment so that the edge computing equipment can compute the video information to obtain a dynamic speed limit value or a suggested speed value corresponding to the early warning place;
and updating the speed limit information corresponding to the early warning place according to the dynamic speed limit value or the suggested speed value corresponding to the early warning place.
5. A traffic early warning device, comprising:
the information receiving module is used for receiving driving information of the terminal equipment, and the driving information comprises a real-time position;
the judging module is used for judging whether the distance between the real-time position of the terminal equipment and an early warning place in a preset map traffic information base is smaller than a preset threshold value or not;
and the information sending module is used for generating an early warning message according to the speed limit information corresponding to the early warning place and sending the early warning message to the terminal equipment in a rich media information form if the distance between the real-time position of the terminal equipment and the early warning place in a preset map traffic information base is smaller than the preset threshold value.
6. The apparatus of claim 5, further comprising:
the query module is used for searching the speed limit information corresponding to the early warning place in the preset map traffic information base;
and the conversion module is used for packaging the speed limit information corresponding to the early warning place into the rich media information form to obtain the early warning message.
7. The apparatus of claim 5, further comprising:
and the information updating module is used for acquiring the static speed limit value and updating the speed limit information corresponding to the early warning place according to the static speed limit value.
8. The apparatus of claim 7, further comprising:
the information receiving module is also used for receiving video information sent by the roadside sensing equipment;
the calculation module is used for sending the video information to edge calculation equipment so that the edge calculation equipment can calculate the video information to obtain a dynamic speed limit value or a suggested speed value corresponding to the early warning place;
and the information updating module is used for updating the speed limit information corresponding to the early warning place according to the dynamic speed limit value or the suggested speed value corresponding to the early warning place.
9. An electronic device, comprising: a processor and a memory, the memory storing machine-readable instructions executable by the processor, the machine-readable instructions, when executed by the processor, performing the method of any of claims 1 to 4.
10. A storage medium, having stored thereon a computer program which, when executed by a processor, performs the method of any one of claims 1 to 4.
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