CN105810000A - Vehicle-driving early-warning device and method - Google Patents
Vehicle-driving early-warning device and method Download PDFInfo
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- CN105810000A CN105810000A CN201610162437.4A CN201610162437A CN105810000A CN 105810000 A CN105810000 A CN 105810000A CN 201610162437 A CN201610162437 A CN 201610162437A CN 105810000 A CN105810000 A CN 105810000A
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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Abstract
The invention discloses a vehicle-driving early-warning device and method.The device comprises a positioning module, a speed analyzing module and an early-warning module; the positioning module is used for obtaining current position information; the speed analyzing module is used for obtaining the maximum safety speed according to the position information, wherein the maximum safety speed is the speed determined according to the maximum limit speed of a current position and weather information; the early-warning module is used for obtaining a current driving speed and conducting early warning when the driving speed is higher than the maximum safety speed.According to the vehicle-driving early-warning device, the current position information is obtained, and the maximum safety speed determined according to the maximum limit speed and the weather information is obtained, so that the maximum safety speed better accords with actual road conditions; when early warning is conducted according to the maximum safety speed, vehicle driving safety can be better guaranteed, and traffic accidents can be reduced.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a driving early warning device and method.
Background
With the development of the economy and automobile industry in China, automobiles have gradually become a transportation tool to enter thousands of households. At present, most drivers are short in driving age and lack in driving experience, and traffic accidents are easy to happen under complex weather conditions. For example: under the condition that haze causes low visibility or road conditions such as freezing are poor, traffic accidents such as skidding and rear-end collision are easily caused due to too high speed.
Navigation equipment such as a navigator, a mobile terminal with navigation software, an automobile data recorder and the like can assist a driver in the driving process, and accidents are reduced. Generally, the navigation device has functions of GPS positioning, route planning, vehicle speed overspeed reminding, traffic light reminding and the like. The speed reminding function of the existing navigation equipment is based on the highest speed limit of a road, the speed of a vehicle is monitored and early warned, although the highest speed limit of the road is the highest speed for guaranteeing safe driving, the speed reminding function is set for good weather conditions, when the weather conditions are not good, the highest speed limit is not in accordance with actual road conditions and is not the safe driving speed any more, if a driver cannot adjust the driving speed in real time according to the weather conditions, the driver still drives according to the highest speed limit, potential safety hazards are generated, and traffic accidents are caused.
Disclosure of Invention
The invention mainly aims to provide a driving early warning device and a driving early warning method, aiming at ensuring driving safety and reducing traffic accidents.
In order to achieve the above object, the present invention provides a driving warning device, including:
the positioning module is used for acquiring current position information;
the speed analysis module is used for acquiring the highest safe speed according to the position information, wherein the highest safe speed is determined according to the maximum speed limit of the current position and the weather information;
and the early warning module is used for acquiring the current running speed and giving an early warning when the running speed is greater than the highest safety speed.
Further, the velocity analysis module is to: and sending the position information to a server, and receiving the highest safe speed which is returned by the server and is determined according to the maximum speed limit of the current position and the weather information.
Further, the velocity analysis module is to: acquiring the maximum speed limit and weather information of the current position; and determining the highest safe speed according to the maximum speed limit and the weather information.
Further, the positioning module is configured to: and positioning through a GPS or/and a network to acquire the current position information.
Further, the early warning module is configured to:
acquiring a current running speed from a vehicle electronic control system; or,
and the current running speed is calculated by sampling and acquiring the position information of the vehicle at different moments.
The invention also provides a driving early warning method, which comprises the following steps:
acquiring current position information;
acquiring a highest safety speed according to the position information, wherein the highest safety speed is determined according to the maximum speed limit of the current position and weather information;
and acquiring the current running speed, and performing early warning when the running speed is greater than the highest safe speed.
Further, the obtaining the highest safe speed according to the position information includes: and sending the position information to a server, and receiving the highest safe speed which is returned by the server and is determined according to the maximum speed limit of the current position and the weather information.
Further, the obtaining the highest safe speed according to the position information includes:
acquiring road condition information and weather information of a current position;
and determining the highest safe speed according to the maximum speed limit and the weather information.
Further, the acquiring current location information includes: and positioning through a GPS or/and a network to acquire the current position information.
Further, the acquiring of the current running speed includes:
acquiring a current running speed from a vehicle electronic control system; or,
and the current running speed is calculated by sampling and acquiring the position information of the vehicle at different moments.
According to the driving early warning device provided by the invention, the current position information is acquired, and the highest safety speed determined according to the highest speed limit of the current position and the weather information is acquired, so that the highest safety speed is more consistent with the actual road condition, and the early warning is carried out according to the highest safety speed, so that the driving safety can be better ensured, and the occurrence of traffic accidents is reduced.
Drawings
Fig. 1 is a schematic diagram of a hardware structure of an alternative mobile terminal for implementing various embodiments of the present invention;
FIG. 2 is a diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
FIG. 3 is a flowchart of a first embodiment of a driving warning method according to the present invention;
FIG. 4 is a flowchart illustrating a second embodiment of a driving warning method according to the present invention;
fig. 5 is a schematic block diagram of a driving warning device according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
Fig. 1 is a schematic hardware configuration of a mobile terminal implementing various embodiments of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, an a/V (audio/video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.
The wireless communication unit 110 typically includes one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive digital broadcasting by using a digital broadcasting system such as a digital broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), a data broadcasting system of forward link media (MediaFLO), a terrestrial digital broadcasting integrated service (ISDB-T), and the like. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetoothTMRadio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbeeTMAnd so on.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module is a GPS (global positioning system). According to the current technology, the GPS module 115 calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS module 115 can calculate speed information by continuously calculating current position information in real time.
The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 122, and the camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display module 151. The image frames processed by the cameras 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the construction of the mobile terminal. The microphone 122 may receive sounds (audio data) via the microphone in a phone call mode, a recording mode, a voice recognition mode, or the like, and can process such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the mobile communication module 112 in case of a phone call mode. The microphone 122 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The user input unit 130 may generate key input data according to a command input by a user to control various operations of the mobile terminal. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display module 151 in the form of a layer, a touch screen may be formed.
The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device.
The interface unit 170 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal and the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal. Various command signals or power input from the cradle may be used as signals for recognizing whether the mobile terminal is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display module 151, an audio output module 152, an alarm module 153, and the like.
The display module 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display module 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display module 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display module 151 and the touch pad are stacked on each other in the form of layers to form a touch screen, the display module 151 may serve as an input device and an output device. The display module 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. The mobile terminal 100 may include two or more display modules (or other display devices) according to a particular desired implementation, for example, the mobile terminal may include an external display module (not shown) and an internal display module (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 into an audio signal and output as sound when the mobile terminal is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output module 152 may provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output module 152 may include a speaker, a buzzer, and the like.
The alarm module 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm module 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm module 153 may provide an output in the form of a vibration, and when a call, a message, or some other incoming communication (incomingmunication) is received, the alarm module 153 may provide a tactile output (i.e., a vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm module 153 may also provide an output notifying the occurrence of an event via the display module 151 or the audio output module 152.
The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to this point, mobile terminals have been described in terms of their functionality. The present invention can be applied to various types of mobile terminals such as a folder type, a bar type, a swing type, a slide type, and the like.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, the CDMA wireless communication system may include a plurality of mobile terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul may be constructed according to any of several known interfaces including, for example, E1/T1, ATM, IP, PPP, frame Relay, HDSL, ADSL, or xDSL. It will be understood that a system as shown in fig. 2 may include multiple BSCs 275.
Each BS270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz,5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each sector of a particular BS270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In fig. 2, a plurality of satellites 300 are depicted, but it should be understood that useful positioning information may be obtained with any number of satellites. The GPS module 115 as shown in fig. 1 is generally configured to cooperate with satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station 270 is processed within the particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS270 to transmit forward link signals to the mobile terminal 100.
Based on the mobile terminal hardware structure and the communication system, the driving early warning method provided by the invention is provided in each embodiment, and the method provided by the invention is applied to the mobile terminal, in particular to a smart phone.
The general concept of the driving early warning method of the invention is as follows: acquiring current position information; acquiring the highest safe speed according to the position information, wherein the highest safe speed is determined according to the maximum speed limit of the current position and the weather information; and acquiring the current running speed, and when the speed is greater than the safe vehicle speed, early warning. The highest safe speed obtained by combining the weather information of the current position is more consistent with the actual road condition, and the driving safety can be ensured. The following is a detailed description of specific examples.
As shown in fig. 3, a first embodiment of the driving warning method of the present invention is provided, and the method includes the following steps:
and S11, acquiring the current position information.
The terminal may acquire the location information through the aforementioned location information module 115 or the sensing unit 140.
Specifically, the terminal may perform accurate positioning through a Global Positioning System (GPS) to obtain accurate position information such as longitude and latitude of the current position; rough positioning can also be carried out through a network to obtain rough position information of the current position; and the GPS and the network can be combined to carry out more accurate positioning, and the current accurate position information can be obtained.
The frequency of location can be set for as required, and it is better that the frequency of location is higher in principle, that is to say the frequency of obtaining positional information is higher better to ensure that data acquisition is timely effective in the driving process, can track the vehicle stroke in real time. For example, the positioning operation is performed once every second, and the position information is acquired once.
And S12, sending the current position information to the server.
After the terminal acquires the current position information, the position information is pushed to the server through network protocols such as HTTP and the like. The terminal can push the position information in real time, can also push the position information once every preset time, and can also push the position information once after the current position is separated from the position when the terminal is pushed last time by a preset distance.
And S13, receiving the maximum speed limit returned by the server according to the current position and the highest safe speed determined by the weather information.
Specifically, after receiving the position information sent by the terminal, the server learns the current position of the vehicle, acquires the road condition information of the current position, acquires the highest speed limit of the current position according to the road condition information, simultaneously inquires the weather information of the current position, corrects the safe speed of the vehicle according to the weather information and the highest speed limit to obtain the highest safe speed, and sends the determined highest safe speed to the terminal.
For example: the highest speed limit of the current road is 60 kilometers per hour, the weather information displays a PM2.5 value explosion table, the visibility is less than 30 meters, the server corrects the safe speed of the vehicle, and the highest safe speed is determined to be 5 kilometers per hour; the highest speed limit of the current road is 80 kilometers per hour, the weather information shows that the current road is frozen weather and the condition of icy road surface occurs, and the server determines the highest safe speed as 15 kilometers per hour; the highest speed limit of the current road is 80 kilometers per hour, the weather information shows that the current road is rainstorm weather, the visibility is low, and the server determines the highest safe speed to be 30 kilometers per hour.
After the terminal receives the highest security speed returned by the server, the highest security speed can be stored, and the old data is covered by the new data, namely the old highest security speed is covered by the new highest security speed.
Optionally, after obtaining the maximum safe speed, the terminal may actively inform the user of the current maximum safe speed, so as to warn the user in advance.
And S14, acquiring the current running speed. And judging whether the current running speed is greater than the highest safe speed, executing the step S15 when the current running speed is greater than the highest safe speed, and ending the process if the current running speed is not greater than the highest safe speed.
Optionally, the terminal is connected with the vehicle electronic control system in a wired or wireless (such as bluetooth, WIFI, etc.) manner, and the current driving speed of the vehicle is directly obtained from the vehicle electronic control system.
Optionally, the terminal obtains the current running speed of the vehicle through radar speed measurement.
Optionally, the terminal obtains the position information of the vehicle at different moments through sampling to calculate the current running speed. For example, the terminal acquires the position information of the vehicle at two different times, calculates the travel distance from the two acquired position information, calculates the travel time from the two times, and calculates the travel speed by dividing the distance by the time. Furthermore, the motion trail of the vehicle can be obtained, and the more accurate running speed can be calculated by combining the motion trail of the vehicle.
And after the terminal acquires the current running speed, comparing the current running speed with the highest safe speed. When the current driving speed is higher than the highest safe speed, the step S15 is carried out, and early warning is carried out on the user; and when the current running speed is not greater than the highest safe speed, not carrying out early warning.
The terminal acquires the running speed of the vehicle at a certain frequency, and the higher the acquiring frequency is, the better the acquiring frequency is in principle, so that the data acquisition is timely and effective in the running process, and the vehicle travel speed can be tracked in real time. For example, the running speed of the vehicle may be acquired in real time, or the running speed of the vehicle may be acquired every predetermined time, and the running speed of the vehicle may be compared and determined with the maximum safe speed each time the running speed of the vehicle is acquired.
And S15, early warning is carried out.
Optionally, the early warning mode is mainly sound reminding, and can be assisted with vibration reminding, light reminding and the like. Of course, any one or a combination of any two of the manners may be selected for warning, and warning may be performed by popping up a warning screen such as a warning word or a warning symbol. For example: reminding a user that the current running speed exceeds the highest safe speed in a voice mode, and informing the user of the current highest safe speed; or an aural alarm ring is used for prompting that the user is overspeed; the alarm can be further reminded by a vibration mode and a light flashing mode.
According to the driving early warning method provided by the embodiment of the invention, the highest safety speed determined according to the highest speed limit of the current position and the weather information can be obtained by obtaining the current position information and reporting the position information to the server, so that the highest safety speed is more consistent with the actual road condition, and the early warning is carried out according to the highest safety speed, so that the driving safety can be better ensured, and the occurrence of traffic accidents is reduced.
In the embodiment, the terminal can obtain the highest safety speed only by reporting the position information, the requirement on the terminal is low, the method can be realized on most terminals, and the application range is wide.
As shown in fig. 4, a second embodiment of the driving warning method of the present invention is provided, which includes the following steps:
and S21, acquiring the current position information.
The terminal may acquire the location information through the aforementioned location information module 115 or the sensing unit 140.
Specifically, the terminal can perform accurate positioning through a GPS (global positioning system), and acquire accurate position information such as longitude and latitude of the current position; rough positioning can also be carried out through a network to obtain rough position information of the current position; and the GPS and the network can be combined to carry out more accurate positioning, and the current accurate position information can be obtained.
The frequency of location can be set for as required, and it is better that the frequency of location is higher in principle, that is to say the frequency of obtaining positional information is higher better to ensure that data acquisition is timely effective in the driving process, can track the vehicle stroke in real time. For example, the positioning operation is performed once every second, and the position information is acquired once.
And S22, acquiring the maximum speed limit and weather information of the current position.
The terminal acquires weather information of a current position through a network, for example: the terminal inquires weather information of the current position through an application (such as a weather application, a calendar application and the like); or the terminal sends the position information to the server and receives the weather information of the current position returned by the server.
When the maximum speed limit of the current position is obtained, the terminal can obtain the road condition information of the current position through the network and then obtain the maximum speed limit according to the road condition information, or directly obtain the maximum speed limit of the current position through the network. For example: the terminal sends the position information to the server, receives the road condition information of the current position returned by the server, and acquires the maximum speed limit according to the road condition information, or directly receives the maximum speed limit of the current position returned by the server. For another example: the terminal queries the road condition information of the current position through an application (such as a map application, a navigation application and the like), and then obtains the maximum speed limit according to the road condition information, or directly queries the maximum speed limit of the current position through a network.
In addition, the terminal can also acquire the road condition information of the current position through the off-line map information stored locally, and then acquire the maximum speed limit according to the road condition information, or directly acquire the maximum speed limit of the current position through the off-line map information.
And S23, determining the highest safe speed according to the maximum speed limit and the weather information.
The terminal corrects the safe speed of the vehicle according to the weather information and the highest speed limit of the current position to obtain the highest safe speed, the highest safe speed can be stored, the old data is covered by the new data, and the old highest safe speed is covered by the new highest safe speed.
Optionally, after obtaining the maximum safe speed, the terminal may actively inform the user of the current maximum safe speed, so as to warn the user in advance.
And S24, acquiring the current running speed. And judging whether the current running speed is greater than the highest safe speed, executing the step S25 when the current running speed is greater than the highest safe speed, and ending the process if the current running speed is not greater than the highest safe speed.
Optionally, the terminal is connected with the vehicle electronic control system in a wired or wireless (such as bluetooth, WIFI, etc.) manner, and the current driving speed of the vehicle is directly obtained from the vehicle electronic control system.
Optionally, the terminal obtains the current running speed of the vehicle through radar speed measurement.
Optionally, the terminal obtains the position information of the vehicle at different moments through sampling to calculate the current running speed. For example, the terminal acquires the position information of the vehicle at two different times, calculates the travel distance from the two acquired position information, calculates the travel time from the two times, and calculates the travel speed by dividing the distance by the time. Furthermore, the motion trail of the vehicle can be obtained, and the more accurate running speed can be calculated by combining the motion trail of the vehicle.
And after the terminal acquires the current running speed, comparing the current running speed with the highest safe speed. When the current driving speed is higher than the highest safe speed, the step S25 is carried out, and early warning is carried out on the user; and when the current running speed is not greater than the highest safe speed, not carrying out early warning.
The terminal acquires the running speed of the vehicle at a certain frequency, and the higher the acquiring frequency is, the better the acquiring frequency is in principle, so that the data acquisition is timely and effective in the running process, and the vehicle travel speed can be tracked in real time. For example, the running speed of the vehicle may be acquired in real time, or the running speed of the vehicle may be acquired every predetermined time, and the running speed of the vehicle may be compared and determined with the maximum safe speed each time the running speed of the vehicle is acquired.
And S25, early warning is carried out.
Optionally, the early warning mode is mainly sound reminding, and can be assisted with vibration reminding, light reminding and the like. Of course, any one or a combination of any two of the manners may be selected for warning, and warning may be performed by popping up a warning screen such as a warning word or a warning symbol. For example: reminding a user that the current running speed exceeds the highest safe speed in a voice mode, and informing the user of the current highest safe speed; or an aural alarm ring is used for prompting that the user is overspeed; the alarm can be further reminded by a vibration mode and a light flashing mode.
According to the driving early warning method provided by the embodiment of the invention, the current position information is obtained, and the highest safety speed is determined according to the highest speed limit and the weather information of the current position, so that the highest safety speed is more consistent with the actual road condition, and the early warning is carried out according to the highest safety speed, so that the driving safety can be better ensured, and the occurrence of traffic accidents is reduced.
In the embodiment, the terminal can analyze and acquire the highest security speed on the local machine without a special server, so that the implementation cost is reduced.
The invention further provides a driving early warning device which is applied to the mobile terminal. Based on the above mobile terminal hardware structure and communication system, an embodiment of the driving warning device of the present invention is provided.
As shown in fig. 5, the driving early warning device includes a positioning module, a speed analysis module and an early warning module, wherein:
a positioning module: and the system is used for acquiring the current position information and sending the current position information to the speed analysis module.
A speed analysis module: and the system is used for acquiring the highest safe speed according to the current position information, wherein the highest safe speed is determined according to the maximum speed limit of the current position and the weather information.
The early warning module: and the early warning device is used for acquiring the current running speed and giving an early warning when the running speed is higher than the highest safe speed. The early warning module can receive the highest safety speed sent by the speed analysis module and can also read the stored highest safety speed.
The location module may acquire location information through the aforementioned location information module 115 or the sensing unit 140. Specifically, the positioning module can perform accurate positioning through a GPS (global positioning system) to acquire accurate position information such as longitude and latitude of the current position; rough positioning can also be carried out through a network to obtain rough position information of the current position; and the GPS and the network can be combined to carry out more accurate positioning, and the current accurate position information can be obtained.
The frequency of location module location can be set for as required, and it is better that location frequency is higher in principle, that is to say the frequency of obtaining positional information is higher more better to ensure that data acquisition is timely effective in the driving process, can track the vehicle stroke in real time. For example, the positioning operation is performed once every second, and the position information is acquired once.
The speed analysis module can obtain the highest safe speed in two ways. One is obtained from the server, namely: and sending the current position information to the server, and receiving the highest safe speed which is returned by the server and is determined according to the maximum speed limit of the current position and the weather information. The other is obtained by local analysis, namely: the maximum speed limit and weather information of the current position are obtained, and then the highest safe speed is determined according to the maximum speed limit and the weather information.
After the speed analysis module obtains the highest safety speed, the highest safety speed can be sent to the early warning module in time, the highest safety speed can also be stored, and the old data is covered by the new data, namely the old highest safety speed is covered by the new highest safety speed.
Further, after the speed analysis module obtains the highest safe speed, the current highest safe speed can be actively informed to the user, so that the user is warned in advance.
The early warning module can be connected with the vehicle electronic control system in a wired or wireless (such as Bluetooth, WIFI and the like) mode, and the current running speed of the vehicle is directly acquired from the vehicle electronic control system; the current running speed of the vehicle can be obtained through radar speed measurement; the current running speed can be calculated by acquiring the position information of the vehicle at different moments through sampling, further, the motion track of the vehicle can be acquired, and the more accurate running speed can be calculated by combining the motion track of the vehicle.
And after the early warning module acquires the current running speed, comparing the current running speed with the highest safe speed. When the current running speed is higher than the highest safe speed, early warning is carried out on a user; and when the current running speed is not greater than the highest safe speed, not carrying out early warning.
The early warning module acquires the running speed of the vehicle at a certain frequency, and the higher the acquiring frequency is, the better the acquiring frequency is in principle, so that the data acquisition is timely and effective in the running process, and the vehicle travel speed can be tracked in real time. For example, the running speed of the vehicle may be acquired in real time, or the running speed of the vehicle may be acquired every predetermined time, and the running speed of the vehicle may be compared and determined with the maximum safe speed each time the running speed of the vehicle is acquired.
Optionally, the early warning module gives priority to voice reminding and can be assisted with vibration reminding, light reminding and the like. Of course, any one or a combination of any two of the manners may be selected for warning, and warning may be performed by popping up a warning screen such as a warning word or a warning symbol. For example: reminding a user that the current running speed exceeds the highest safe speed in a voice mode, and informing the user of the current highest safe speed; or an aural alarm ring is used for prompting that the user is overspeed; the alarm can be further reminded by a vibration mode and a light flashing mode.
According to the driving early warning device, the current position information is acquired, the highest safety speed is determined according to the highest speed limit and the weather information of the current position, so that the highest safety speed is more consistent with the actual road condition, early warning is carried out according to the highest safety speed, the driving safety can be better guaranteed, and traffic accidents are reduced.
The driving warning device and the driving warning method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments in detail, and technical features in the method embodiments are correspondingly applicable in the device embodiments, and are not described herein again.
On the basis of the highest speed limit of the road, the invention considers that bad road conditions are easily caused by extreme weather such as haze, freezing, rainstorm and the like, and limits the speed of the vehicle. By adopting the technical scheme of the invention, the vehicle speed can be intelligently pre-warned, the potential safety hazard caused by the fact that a driver drives at a speed higher than the safety speed in extreme weather is avoided, and the occurrence of traffic accidents is reduced to a certain extent.
The invention can enhance the function of the electronic map and enhance the user experience of the mobile terminal from another angle. The invention is not only suitable for the smart phone, but also suitable for the traditional function machine.
The driving early warning method and the driving early warning device can be applied to mobile terminals such as mobile phones and flat panels, and can also be applied to vehicle navigation systems, navigators installed on vehicles, driving recorders and the like.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a driving early warning device which characterized in that includes:
the positioning module is used for acquiring current position information;
the speed analysis module is used for acquiring the highest safe speed according to the position information, wherein the highest safe speed is determined according to the maximum speed limit of the current position and the weather information;
and the early warning module is used for acquiring the current running speed and giving an early warning when the running speed is greater than the highest safety speed.
2. The driving warning device according to claim 1, wherein the speed analysis module is configured to: and sending the position information to a server, and receiving the highest safe speed which is returned by the server and is determined according to the maximum speed limit of the current position and the weather information.
3. The driving warning device according to claim 1, wherein the speed analysis module is configured to: acquiring the maximum speed limit and weather information of the current position; and determining the highest safe speed according to the maximum speed limit and the weather information.
4. A driving warning device according to any one of claims 1 to 3, wherein the positioning module is configured to: and positioning through a GPS or/and a network to acquire the current position information.
5. A driving warning device according to any one of claims 1 to 3, wherein the warning module is configured to:
acquiring a current running speed from a vehicle electronic control system; or,
and the current running speed is calculated by sampling and acquiring the position information of the vehicle at different moments.
6. A driving early warning method is characterized by comprising the following steps:
acquiring current position information;
acquiring a highest safety speed according to the position information, wherein the highest safety speed is determined according to the maximum speed limit of the current position and weather information;
and acquiring the current running speed, and performing early warning when the running speed is greater than the highest safe speed.
7. The driving warning method according to claim 6, wherein the obtaining of the highest safe speed according to the location information comprises:
and sending the position information to a server, and receiving the highest safe speed which is returned by the server and is determined according to the maximum speed limit of the current position and the weather information.
8. The driving warning method according to claim 6, wherein the obtaining of the highest safe speed according to the location information comprises:
acquiring road condition information and weather information of a current position;
and determining the highest safe speed according to the maximum speed limit and the weather information.
9. A driving warning method according to any one of claims 6 to 8, wherein the obtaining current location information comprises:
and positioning through a GPS or/and a network to acquire the current position information.
10. The driving warning method according to any one of claims 6 to 8, wherein the obtaining of the current driving speed comprises:
acquiring a current running speed from a vehicle electronic control system; or,
and the current running speed is calculated by sampling and acquiring the position information of the vehicle at different moments.
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| CN201610162437.4A CN105810000A (en) | 2016-03-22 | 2016-03-22 | Vehicle-driving early-warning device and method |
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| CN201610162437.4A CN105810000A (en) | 2016-03-22 | 2016-03-22 | Vehicle-driving early-warning device and method |
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| CN106956647A (en) * | 2017-02-23 | 2017-07-18 | 海尔优家智能科技（北京）有限公司 | A kind of method and system that warning information is sent to automobile driver |
| CN107132565A (en) * | 2017-05-15 | 2017-09-05 | 上海与德科技有限公司 | A kind of navigation speed broadcasting method and device based on global position system |
| CN107323379A (en) * | 2017-06-30 | 2017-11-07 | 百度在线网络技术（北京）有限公司 | Control method for vehicle, device, equipment and storage medium |
| CN107871392A (en) * | 2016-09-27 | 2018-04-03 | 法乐第(北京)网络科技有限公司 | The determination methods and device of a kind of vehicle running state |
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| CN110322682A (en) * | 2019-04-30 | 2019-10-11 | 四川省气象服务中心 | Position calculating method, analysis method, method for early warning and its system of traffic accident |
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| CN108712576A (en) * | 2018-08-01 | 2018-10-26 | 中国联合网络通信集团有限公司 | A kind of method and system that limiting mobile terminal uses |
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| CN113140121A (en) * | 2020-09-24 | 2021-07-20 | 北京交通大学 | Safety early warning method, device and system for Internet-connected truck driver |
| CN114115174A (en) * | 2021-10-27 | 2022-03-01 | 北京云汉通航科技有限公司 | Fault processing method, system and device of high-speed police early-warning vehicle |
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| CN114103793A (en) * | 2021-12-02 | 2022-03-01 | 深圳市星标电子科技有限公司 | Vehicle lamp control method and system, electronic equipment and computer storage medium |
| CN114566049A (en) * | 2022-03-08 | 2022-05-31 | 华设设计集团股份有限公司 | Tourism service area is with safe intelligent suggestion sign |
| CN114566049B (en) * | 2022-03-08 | 2023-03-14 | 华设设计集团股份有限公司 | Tourism service area is with safe intelligent suggestion sign |
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Application publication date: 20160727 |