CN104215248B - A kind of onboard navigation system and method - Google Patents
A kind of onboard navigation system and method Download PDFInfo
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- CN104215248B CN104215248B CN201310221093.6A CN201310221093A CN104215248B CN 104215248 B CN104215248 B CN 104215248B CN 201310221093 A CN201310221093 A CN 201310221093A CN 104215248 B CN104215248 B CN 104215248B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
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Abstract
The invention discloses a kind of onboard navigation system and method, the system includes the first detecting module, processing and control module and the second detecting module, wireless communication module, the locating module being connected with the processing and control module；First detecting module is used to obtain in real time and send traffic lights residue operating time information；The wireless communication module is used to receive the remaining operating time information；Second detecting module is used to obtain range information of the vehicle from current location to the traffic light；The locating module is used for the longitude and latitude positional information for reporting vehicle to the processing and control module in real time；The processing and control module is according to the current speed of service of the positional information calculation vehicle, vehicle is also calculated to run to the running time of the traffic light from current location, time difference between multilevel iudge running time and the traffic lights residue operating time information, send different prompt messages.The present invention can provide accurate prompt message to driver, reduce the generation for accident of making a dash across the red light.
Description
Technical field
The present invention relates to automobile navigation field, more particularly to a kind of onboard navigation system and method.
Background technology
With the rapid popularization of automobile, based on Satellite Navigation Technique, GIS-Geographic Information System and the modern communication technology
Intelligent guidance system plays more and more important effect in daily life.Traffic violations caused by automobile makes a dash across the red light in city
Thing happens occasionally, and the life and property to people cause great harm, occurs to reduce the accident made a dash across the red light in violation of rules and regulations, just
A kind of novel on-vehicle navigation terminal for preventing from rushing traffic lights is needed to solve.
Current navigation terminal is only capable of prompting driver according to the traffic lights information being stored on its electronic map, and
The electronic map of storage can not update constantly, and the distance prompted in navigating is also by GPS（Global Positioning
System）Measuring and calculating, because gps signal has delay, so distance is not especially accurate, easily cause because navigation hint is inaccurate
Traffic accident.
It is, therefore, desirable to provide a kind of detection traffic lights information in real time and distance is led between accurate measure vehicle and traffic lights
Boat system and method.
The content of the invention
It is a primary object of the present invention to inaccurate to traffic information promoting for navigation terminal present in prior art
The defects of, it is proposed that a kind of onboard navigation system and method that more accurate traffic information promoting is provided for driver.
A kind of onboard navigation system and method provided by the invention, the navigation system include：First detecting module, processing control
Molding block and the second detecting module being connected with the processing and control module, display module, wireless communication module, positioning mould
Block；
Wherein, first detecting module is used to obtain traffic lights residue operating time information in real time, and by the residue
Operating time information is sent to the wireless communication module；The wireless communication module is used to receive the remaining operating time letter
Cease and report to the processing and control module；Second detecting module is used to obtain vehicle from current location to the traffic lights
The range information at place simultaneously reports to the processing and control module；The locating module obtains the longitude and latitude positional information of vehicle in real time
And report to the processing and control module；The processing and control module is according to the current operation speed of the positional information calculation vehicle
Information is spent, and vehicle is calculated according to the range information and the speed of service information and run from current location to described red green
Running time at lamp, the time difference between running time described in multilevel iudge and the traffic lights residue operating time information,
And send different prompt messages.
Above-mentioned onboard navigation system also includes display module, is connected with the processing and control module, the display module
For showing the prompt message.
Above-mentioned onboard navigation system also includes voice module, is connected with the processing and control module, the voice module
For prompt message described in voice broadcast.
Above-mentioned onboard navigation system also includes memory module, is connected with the processing and control module, the memory module
For storing the traffic lights information, the range information.
Second detecting module described in above-mentioned onboard navigation system is ultrasonic detector.
Ultrasonic detector described in above-mentioned onboard navigation system includes ultrasonic transmitter, the ultrasonic wave being sequentially connected
Receiver, timer and the ultrasonic wave baffle plate installed in the traffic light, the ultrasonic transmitter are used to launch ultrasound
To on the ultrasonic wave baffle plate, the ultrasonic wave baffle plate is used for the ultrasonic reflections to the ultrasonic receiver, institute ripple
State ultrasonic receiver to be used to receive the ultrasonic wave, the timer is used to record the propagation that the ultrasonic wave is transmitted into return
Time simultaneously calculates range information of the vehicle from current location to the traffic light, and the range information is reported into the place
Manage control module.
First detecting module described in above-mentioned onboard navigation system include the duration detection module that is connected with traffic lights with
And the wireless telecommunications transmitter module being connected with the duration detection module, the duration detection module are used to obtain traffic lights residue
Operating time information, the wireless telecommunications transmitter module are used to be communicatively coupled with wireless communication module.
A kind of navigation method, comprises the following steps：
A1. the first detecting module obtains traffic lights residue operating time information in real time, and traffic lights residue is worked
Duration information is sent to processing and control module by wireless communication module；
A2. the second detecting module obtains distance of the vehicle from current location to the traffic light, and the distance is believed
Breath reports to the processing and control module；
A3. locating module obtains the longitude and latitude positional information of vehicle in real time, and the positional information is reported into the place
Manage control module；
B. the processing and control module is according to the current speed of service information of the positional information calculation vehicle, according to described
Range information and the speed of service information calculate the vehicle from current location run to the traveling of the traffic light when
Between, the time difference between running time described in multilevel iudge and the traffic lights residue operating time information, send different carry
Show information.
Comparing the time difference described in above-mentioned navigation method in step B specifically also includes：
Running time described in multilevel iudge and the red light in the traffic lights residue operating time information received, green light
Or the remaining operating time of amber light, the prompt message of deceleration, normal pass or brake is performed to send according to the time difference；Institute
It is when the running time is more than the green light residue operating time or less than red light residue operating time to state deceleration prompt message
When, the processing and control module will send the prompt message of deceleration；The normal pass prompt message is when the running time
It is less than and/or equal to the green light residue operating time or is more than and/or during equal to the red light residue operating time, the place
Reason control module will send the prompt message of normal pass；The brake prompt message is when the running time is equal to the Huang
During lamp residue operating time, the processing and control module will send the prompt message of brake.
The beneficial effect for implementing a kind of onboard navigation system of the present invention and method is：By setting the first detecting module real
When obtain the information of traffic lights, set the second detecting module to obtain current location and the distance between traffic lights of vehicle, compare
Traffic lights residue operating time is run to the operation duration of traffic lights with vehicle, and deceleration, normal pass, brake etc. are sent to driver
Prompt message.Traffic lights information can be obtained in real time using the present invention, can accurately measure the distance between vehicle and traffic lights, finally
Accurate prompt message can be provided to driver, reduce the generation for accident of making a dash across the red light.
Brief description of the drawings
A kind of onboard navigation system of the present invention and method are described further below in conjunction with drawings and Examples, accompanying drawing
In：
Fig. 1 is a kind of preferred embodiment schematic diagram of onboard navigation system provided by the invention；
Fig. 2 is the structured flowchart of the first detecting module 10 in Fig. 1；
Fig. 3 is a kind of workflow diagram of navigation method provided by the invention.
Embodiment
Application and use described further below substantially exemplary only and that be not intended to the limitation present invention or the present invention.
In addition, it is not intended to be limited to any clear and definite or bag of aforementioned technical field, background technology or middle proposition described further below
The theory contained.
It is a kind of onboard navigation system preferred embodiment schematic diagram provided by the invention referring to figs. 1 to Fig. 2.The navigation system
System is preferably used in combination with vehicle, such as car, lorry, engineering truck etc., is mainly used in preventing vehicle from making a dash across the red light
Traffic accident.The vehicle for closing on traffic lights is carried out by the onboard navigation system navigation go forward side by side row information prompting, the car is installed
Carry to greatly reduce after navigation system and the traffic accident such as made a dash across the red light with pre- anti-vehicle.The navigation system includes：First visits
Survey module 10, processing and control module 20, the second detecting module 30, display module 40, voice module 50, locating module 60, wireless
Communication module 70, memory module 80.Wherein, the first detecting module 10 installed in traffic light includes the duration inspection being sequentially connected
Survey module 101, wireless telecommunications transmitter module 102.The duration 101 pieces of mould of detection is connected with traffic lights time control circuit, is used for
Traffic lights residue operating time information is obtained in real time.The wireless telecommunications transmitter module 102 is used to carry out with wireless communication module 70
Communication connection, traffic lights residue operating time information is sent to wireless communication module 70, then through nothing by cordless communication network
Line communication module 70 reports to processing and control module 20.Processing and control module 20 can be MCU processors, for according to locating module
The distance of change of 60 positional informations reported in certain period of time calculates the current speed of service of vehicle with the period；
It is additionally operable to that all information for reporting and receiving are handled and controlled with all connected module work, and sends not
Same prompt message.Second detecting module 30 is used to obtain distance of the vehicle from current location to the traffic light.The present embodiment
Second detecting module 30 of middle offer is ultrasonic detector, but can also be infrared detector, laser detector etc..This is super
Acoustic detector include installed in the ultrasonic transmitter being sequentially connected of vehicle interior, ultrasonic receiver, timer and
Ultrasonic wave installed in the traffic light is kept off；Ultrasonic transmitter is used to launch ultrasonic wave, and the ultrasonic receiver is used to connect
Ultrasonic wave is received, ultrasonic wave baffle plate can have any shape, for stopping that ultrasonic wave makes it be reflected back into ultrasonic receiver, timing
Device is used to record ultrasonic wave from the propagation time for being transmitted into return, and is calculated according to the spread speed of propagation time and ultrasonic wave
The propagation distance of ultrasonic wave, the propagation distance 1/2 be distance of the vehicle from current location to traffic light, by the vehicle from
The range information of current location to traffic light reports to processing and control module 20.Because ultrasonic detector is known technology institute
Not provide accompanying drawing in this manual.Display module 40 can be LCD display, touch-screen etc., and mould is controlled for display processing
The various prompt messages that block 20 is sent, it may also display electronic map information and realize that navigation feature visualizes.Voice module 50 can be
Speech player, loudspeaker etc., the prompt message sent for voice broadcast processing and control module 20, reminded and used with voice mode
Family.Locating module 60 can be satellite signal receiver, can receive gps satellite signal or Big Dipper satellite signal etc., for fixed
The current location of position vehicle, obtains the longitude and latitude positional information of vehicle and is reported to processing and control module, may also be combined with navigation system
Electronic map in system realizes navigation feature.Wireless communication module 70 can also realize nothing with the computer or mobile terminal of distal end
Line communicates, for the remote control navigation system.Memory module 80 can be any kind of suitable memory, including all kinds
Dynamic random access memory（DRAM）, various types of static RAM（SRAM）And various types of non-volatile memories
Device（PROM, FPROM and flash memory）, for storing electronic map information, the traffic lights information and the range information.
A kind of operation principle of onboard navigation system preferred embodiment provided by the invention is further described.First visits
The duration detection module 101 surveyed in module 10 is connected with traffic lights time control circuit, obtains the remaining work of traffic lights in real time
Duration information, then sent these information to radio communication by the wireless telecommunications transmitter module 102 in the first detecting module 10
Module 70, and processing and control module 20 is reported to by it.Ultrasonic transmitter is installed on vehicle roof, transmitting ultrasonic wave to ultrasound
Ripple baffle plate, the ultrasonic reflections are back to the ultrasonic receiver by ultrasonic wave baffle plate, while timer record ultrasonic wave is transmitted into
The propagation time of return, and calculate according to the spread speed in propagation time and ultrasonic wave the propagation distance of ultrasonic wave, the propagation
The 1/2 of distance is distance of the vehicle from current location to traffic light.Timer is by the vehicle from current location to traffic lights
The range information at place reports to processing and control module 20.Locating module 60 obtains the longitude and latitude positional information of vehicle and reported in real time
To processing and control module 20.Processing and control module 20 calculates car according to the change of longitude and latitude position and the time of operation of vehicle
The current speed of service.Processing and control module 20 is according to the distance of current vehicle position to traffic light, and according to vehicle
The current speed of service calculate the running time that vehicle drives to traffic light from current location.Processing and control module 20 will obtain
The remaining operating time of the traffic lights taken is compared with running time and calculates the time difference.When the time difference is the traveling
Between be more than green light operating time or during less than red light residue operating time, show that the vehicle is likely encountered red light, processing control mould
Block 20 sends the prompt message of deceleration；When the time difference is that the running time is less than and/or worked equal to the green light is remaining
It is long or be more than and/or during equal to red light residue operating time, it be green light to show the vehicle front street lamp, can normal pass, handle
Control module 20 sends the prompt message of normal pass；It is that the running time is equal to amber light residue operating time when the time difference
When, it is just red light when driving to traffic light to show the vehicle, needs to brake, and processing and control module 20 sends the prompting letter of brake
Breath.The prompt message of normal pass, deceleration or brake that processing and control module 20 is sent all is displayed on display module 40, together
When voice module 50 these prompt messages will be carried out with voice broadcast to remind user.The institute of the processing of final process control module 20
There is information to be stored in memory module 90.
When vehicle is stolen, the locating module 60 of the navigation system determines the current location of vehicle, and positional information is led to
Cross wireless communication module 70 and send the dynamic for the server of distant place or mobile terminal, being easy to user's moment to grasp vehicle.Meanwhile
The server or mobile terminal of distant place send instruction that control vehicle acts to wireless communication module 70 by cordless communication network,
Such as power off, flame-out instruction.The wireless communication module 70 by receive must control vehicle act command information report to processing
Control module 20.Processing and control module 20 parses to the command information, is simultaneously emitted by instructing, and calls relevant interface, completes
Instruct the action included.Because the technology of the present invention key is that the information entered to vehicle in traffic lights region is navigated and gathered
Information, so the technical characteristic of locating module 60 and wireless communication module 70 is not described in detail.
With reference to figure 2, it is a kind of air navigation aid provided by the invention, comprises the following steps：
A1. the first detecting module obtains traffic lights residue operating time information in real time, and traffic lights residue is worked
Duration information is sent to processing and control module by wireless communication module；
A2. the second detecting module obtains distance of the vehicle from current location to the traffic light, and the distance is believed
Breath reports to the processing and control module；
A3. locating module obtains the longitude and latitude positional information of vehicle in real time, and the positional information is reported into the place
Manage control module；
B. the processing and control module is according to the current speed of service information of the positional information calculation vehicle, and to receiving
To the traffic lights residue operating time information, the range information and the speed of service information handled, according to
The range information and the speed of service information calculate the vehicle and run from current location to the row of the traffic light
Sail the time, the time difference between running time described in multilevel iudge and the traffic lights residue operating time information, send difference
Prompt message and display.
Red light in running time described in multilevel iudge and the traffic lights residue operating time information received, green light or
The remaining operating time of amber light, the prompt message of deceleration, normal pass or brake is performed to send according to the time difference；It is described
Deceleration prompt message be when the running time is more than the green light residue operating time or during less than red light residue operating time,
The processing and control module will send the prompt message of deceleration；The normal pass prompt message is when the running time is less than
And/or equal to the green light residue operating time or it is more than and/or during equal to the red light residue operating time, the processing control
Molding block will send the prompt message of normal pass；The brake prompt message is when the running time remains equal to the amber light
During remaining operating time, the processing and control module will send the prompt message of brake.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (6)
- A kind of 1. onboard navigation system, it is characterised in that including：First detecting module, processing and control module and with the place The second detecting module, wireless communication module, locating module of control module connection are managed, wherein,First detecting module is arranged on traffic light, for obtaining traffic lights residue operating time information in real time, and by institute Remaining operating time information is stated to send to the wireless communication module；The wireless communication module is used to receive the remaining operating time information and report to the processing and control module；Second detecting module is used to obtain range information of the vehicle from current location to the traffic light and reports to institute Processing and control module is stated, second detecting module is ultrasonic detector, and the ultrasonic detector includes what is be sequentially connected Ultrasonic transmitter, ultrasonic receiver, timer and the ultrasonic wave baffle plate installed in the traffic light, the ultrasonic wave Transmitter is used for the ultrasonic reflections to institute for launching ultrasonic wave to the ultrasonic wave baffle plate, the ultrasonic wave baffle plate Ultrasonic receiver is stated, the ultrasonic receiver is used to receive the ultrasonic wave, and the timer is used to record the ultrasound Ripple is transmitted into the propagation time of return and calculates range information of the vehicle from current location to the traffic light, will it is described away from From information reporting to the processing and control module；The locating module is used for the longitude and latitude positional information for reporting vehicle to the processing and control module in real time；The processing and control module is used for according to the current speed of service of the positional information calculation vehicle, and according to the distance Information and the speed of service information calculate vehicle and run from current location to the running time of the traffic light, compare and sentence The disconnected time difference between the running time and the traffic lights residue operating time information, and different prompt messages is sent, Wherein, it is that the running time is more than green light operating time or during less than red light residue operating time when the time difference, shows the car Red light is likely encountered, processing and control module sends the prompt message of deceleration；When the time difference be the running time be less than and/or Equal to the green light residue operating time or it is more than and/or during equal to red light residue operating time, shows the vehicle front street lamp For green light, can normal pass, processing and control module sends the prompt message of normal pass；It is described running time etc. when the time difference When amber light residue operating time, it is just red light when driving to traffic light to show the vehicle, needs to brake, processing and control module Send the prompt message of brake.
- 2. the onboard navigation system according to claim 1, it is characterised in that also including display module, with the place Control module connection is managed, the display module is used to show the prompt message.
- 3. onboard navigation system according to claim 1, it is characterised in that also including voice module, controlled with the processing Molding block connects, and the voice module is used for prompt message described in voice broadcast.
- 4. onboard navigation system according to claim 1, it is characterised in that also including memory module, controlled with the processing Molding block connects, and the memory module is used to store the traffic lights information, the range information.
- 5. onboard navigation system according to claim 1, it is characterised in that first detecting module includes and traffic lights The duration detection module of connection and the wireless telecommunications transmitter module being connected with the duration detection module, the duration detect mould Block is used to obtain the traffic lights residue operating time information, and the wireless telecommunications transmitter module is used to enter with wireless communication module Row communication connection.
- 6. a kind of navigation method, it is characterised in that comprise the following steps：A1. the first detecting module installed in traffic light obtains traffic lights residue operating time information in real time, and will be described red Green light residue operating time information is sent to processing and control module by wireless communication module；A2. the second detecting module obtains range information of the vehicle from current location to the traffic light, and the distance is believed Breath reports to the processing and control module, and second detecting module is ultrasonic detector, and the ultrasonic detector includes Ultrasonic transmitter, ultrasonic receiver, timer and the ultrasonic wave baffle plate installed in the traffic light being sequentially connected, The ultrasonic transmitter is used for the ultrasound for launching ultrasonic wave to the ultrasonic wave baffle plate, the ultrasonic wave baffle plate Wave reflection is to the ultrasonic receiver, and the ultrasonic receiver is used to receive the ultrasonic wave, and the timer is used to remember The ultrasonic wave is recorded to be transmitted into the propagation time of return and calculate distance letter of the vehicle from current location to the traffic light Breath, the processing and control module is reported to by the range information；A3. locating module obtains the longitude and latitude positional information of vehicle in real time, and the positional information is reported into the processing and controlled Molding block；B. the processing and control module is according to the current speed of service information of the positional information calculation vehicle, according to the distance Information and the speed of service information calculate the vehicle and run from current location to the running time of the traffic light, than Compared with the time difference judged between the running time and the traffic lights residue operating time information, different prompting letters is sent Breath；Comparing the time difference in the step B specifically also includes：Running time described in multilevel iudge and red light, green light or the Huang in the traffic lights residue operating time information received Time difference between the remaining operating time of lamp, carrying for deceleration, normal pass or brake is performed to send according to the time difference Show information；The deceleration prompt message is when the running time is more than the green light residue operating time or less than red light residue work When making duration, the processing and control module sends the prompt message of deceleration；The normal pass prompt message is when the traveling Time is less than and/or equal to the green light residue operating time or is more than and/or during equal to the red light residue operating time, institute State the prompt message that processing and control module will send normal pass；It is described to brake prompt message to be equal to institute when the running time When stating amber light residue operating time, the processing and control module will send the prompt message of brake.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105774553B (en) * | 2014-12-22 | 2019-04-09 | 彭国智 | Electric bicycle instrument, controller and electric bicycle with touch control function |
| CN104916150B (en) * | 2015-05-12 | 2018-05-01 | 三星电子（中国）研发中心 | Traffic safety warning method and electronic equipment for electronic equipment |
| CN105355065A (en) * | 2015-10-23 | 2016-02-24 | 广东欧珀移动通信有限公司 | Navigation prompting method and device |
| CN105809964A (en) * | 2016-05-18 | 2016-07-27 | 深圳中兴力维技术有限公司 | Traffic warning method and device |
| CN108711296A (en) * | 2018-06-07 | 2018-10-26 | 安徽理工大学 | A kind of vehicle-mounted traffic lights anticipation device and its implementation |
| CN110139348B (en) * | 2019-05-21 | 2022-10-28 | 广东几米星联通讯有限公司 | RDSS communication method and terminal thereof |
| CN113188564B (en) * | 2021-04-22 | 2023-04-11 | 浙江吉利控股集团有限公司 | Navigation method and system based on vehicle-mounted atmosphere lamp and voice linkage |
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