CN108639000A - Vehicle, vehicle device equipment, car accident prior-warning device and method - Google Patents
Vehicle, vehicle device equipment, car accident prior-warning device and method Download PDFInfo
- Publication number
- CN108639000A CN108639000A CN201810568641.5A CN201810568641A CN108639000A CN 108639000 A CN108639000 A CN 108639000A CN 201810568641 A CN201810568641 A CN 201810568641A CN 108639000 A CN108639000 A CN 108639000A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- target object
- relative velocity
- processor
- velocity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Human Computer Interaction (AREA)
- Traffic Control Systems (AREA)
Abstract
The application provides vehicle, vehicle device equipment, the car accident prior-warning device based on relative velocity and method, including monitoring device and processor, and the monitoring device is used to be set on vehicle and monitor the target object of vehicle front；The processor is connected with the monitoring device, the processor is when determining vehicle and being in forward traveling, start the target object of the monitoring device monitoring vehicle front, calculate the relative velocity between vehicle itself and the target object, and when the target object is mutually approached with the relative velocity less than predetermined threshold value, send out accident early warning signal.The application can automatic decision whether need carry out car accident early warning, then if monitoring that vehicle front approaches itself there are target object and target object, then can automated intelligent it issue warning signal, simultaneously, the application can just start monitoring when determining forward, the energy waste caused by blindly monitoring is avoided, ensures that working performance is in optimum state.
Description
Technical field
This application involves vehicle technology fields, and in particular to a kind of vehicle device equipment, the vehicle device equipment are based on relative velocity
Car accident method for early warning, further relate to a kind of car accident prior-warning device based on relative velocity, and apply the vehicle
The vehicle of accident warning device.
Background technology
In recent years, China's transportation industry flourishes, and resident's car ownership significantly rises, and thing followed road is handed over
Topic of corresponding frequently occurs, and the traffic accidents such as rear-end impact, rollover of vehicle increasingly cause the most attention of government and society,
Vehicle driving safety becomes transport science and techonologies field focus of attention.
Meanwhile the high speed development of wireless data communication, mobile calculation technique so that network mobile terminal is extended to vehicle
On carrying platform.Based on advanced wireless communication technique, car networking technology, between vehicle, can between vehicle and traffic control center
To realize efficient data transmission, information issuing function.Vehicle networked real time monitoring measure, Ke Yiwei may be implemented in the prior art
It acquires abundant vehicle geographic information data and technical support is provided.Based on wireless communication technique, vehicle and net background server
Set up wireless data transmission network so that the car-mounted terminal for being integrated with mobile communication equipment can be by wireless network to after network
Platform server passes the information of oneself state and ambient enviroment back, and by traffic control center in the network platform to multiple terminals,
The data information of diversification is processed fusion, modeling analysis and calculating, shared and safety publication, to using information as guiding
Means guide vehicle efficient, safe operation in road network.
Danger early warning technology is one of the key technology of vehicle active safety, and existing vehicle collision avoidance early warning system,
The vehicles active safety early warning systems such as Lane Departure Warning System, dangerous blind spot detection system mostly use video image analysis technology
Or infrared detection technology perception short range Nei Cheche, bus or train route precarious position, to realize the autonomous danger early warning of vehicle and peace
Full control function；Once there are the environmental aspects such as wind and snow thunderstorm weather, large obstacle, intensive mixed traffic flow to aforementioned
The interference of detection technique, vehicle just can not know reliable dangerous information.On the other hand, if vehicle-mounted danger early warning system lacks
With the interaction of the network information, vehicle can not carry out real-time Data Transmission with distal end traffic control center, and danger early warning function cannot
Organically combined with the functions such as remote data communication, vehicle location and navigation, vehicle become as information island and can not sensed in advance
Dangerous information and its geographical location information present in a wide range of running region, this necessarily reduces vehicle-mounted autonomous danger early warning work(
The reliability of energy, while also reducing vehicle active safety control ability.
To sum up, China vehicle population is very huge, highway, overhead reason, urban road, township
Traffic density is increasing considerably on the various motor-driven vehicle going roads such as village's road, and has legal driver's quantity of driving license also day
See and increases；Vehicle rear-end collision accident also occurs again and again all the time daily, and rear-end collision threatens passenger in driver and vehicle
Life security is one and is very difficult to the traffic behavior prevented.
Insufficient for the various aspects of the prior art, present inventor proposes a kind of vehicle, vehicle device by further investigation
Equipment, the car accident prior-warning device based on relative velocity and method.
Invention content
The purpose of the application is, provides a kind of vehicle, vehicle device equipment, the car accident prior-warning device based on relative velocity
And method, can automatic decision whether need carry out car accident early warning, then if monitoring vehicle front, there are targets pair
As and target object approach itself, then can issue warning signal to automated intelligent, avoid the front truck that itself knocks into the back, and avoid to oneself
The loss of lives and properties is caused, meanwhile, the application can just start monitoring when determining forward, avoid caused by blindly monitoring
Energy waste, ensure working performance be in optimum state.
In order to solve the above technical problems, the application provides a kind of car accident prior-warning device based on relative velocity, as
One of which embodiment, the car accident prior-warning device include：
Monitoring device, the target object for being set on vehicle and monitoring vehicle front；
Processor is connected with the monitoring device, for judging whether vehicle is in forward traveling, is determining vehicle
When in forward traveling, the processor whether there is target object for starting the monitoring device monitoring vehicle front, and
It is monitoring, there are when target object, to calculate the relative velocity between vehicle itself and the target object, and in the target
When object is mutually approached with the relative velocity less than predetermined threshold value, accident early warning signal is sent out.
As one of which embodiment, the monitoring device includes：
Velocity radar in vehicle front is set, the target velocity for detecting vehicle front target object；
The processor, is specifically used for：
The target velocity that is detected according to the velocity radar being arranged in vehicle front and combine vehicle itself
The relative velocity is calculated in travel speed.
As one of which embodiment：
The monitoring device further includes：
Range radar in vehicle front is set, is correspondingly arranged, is used for the velocity radar being arranged in vehicle front
Detect the real-time range between vehicle front target object and vehicle itself；
The processor, accident will be occurred by being additionally operable to be calculated according to the relative velocity and the real-time range
Predicted time.
As one of which embodiment, whether the processor is additionally operable to judge the predicted time gradually close to answering
The anxious reaction time, and when the predicted time approaches the emergency reaction time, send out accident emergency alarm.
As one of which embodiment, the processor is the processor of vehicle device equipment, or is and the vehicle device equipment
The processor for the Cloud Server being connected.
As one of which embodiment, the vehicle device equipment and the connection type of the Cloud Server include 3G communication networks
Network, 4G communication networks, 5G communication networks and WIFI network.
In order to solve the above technical problems, the application also provides a kind of car accident method for early warning based on relative velocity, make
For one of which embodiment, the car accident method for early warning based on relative velocity includes step：
Judge whether vehicle is in forward traveling；
When determining vehicle and being in forward traveling, starts monitoring device monitoring vehicle front and whether there is target object；
It is monitoring, there are when target object, to calculate the relative velocity between vehicle itself and the target object；
When the target object is mutually approached with the relative velocity less than predetermined threshold value, accident early warning signal is sent out.
As one of which embodiment, the step for calculating the relative velocity between vehicle itself and the target object
Suddenly, it specifically includes：
The target velocity of vehicle front target object is detected by the way that the velocity radar in vehicle front is arranged；
The target velocity that is detected according to the velocity radar being arranged in vehicle front and combine vehicle itself
The relative velocity is calculated in travel speed.
As one of which embodiment, the step for calculating the relative velocity between vehicle itself and the target object
Suddenly, further include：
It is real-time between the range radar detection vehicle front target object and vehicle itself of vehicle front by being arranged
Distance；
The predicted time of accident will be occurred by being calculated according to the relative velocity and the real-time range；
Judge the predicted time whether gradually close to the emergency reaction time；
When the predicted time approaches the emergency reaction time, accident emergency alarm is sent out.
In order to solve the above technical problems, the application also provides a kind of vehicle device equipment, it is described as one of which embodiment
Vehicle device equipment includes processor, and the processor is any above-mentioned based on relative velocity to realize for executing program data
The step of car accident method for early warning.
In order to solve the above technical problems, the application also provides a kind of vehicle, and as one of which embodiment, the vehicle
Configured with any above-mentioned car accident prior-warning device based on relative velocity.
The application vehicle, vehicle device equipment, the car accident prior-warning device based on relative velocity and method, the car accident
Prior-warning device includes monitoring device and processor, and the monitoring device is used to be set on vehicle and monitor the mesh of vehicle front
Mark object；The processor is connected with the monitoring device, for judging whether vehicle is in forward traveling, is determining vehicle
When being in forward traveling, the processor whether there is target object for starting monitoring device monitoring vehicle front,
And it is monitoring, there are when target object, to calculate the relative velocity between vehicle itself and the target object, and in the mesh
When mark object is mutually approached with the relative velocity less than predetermined threshold value, accident early warning signal is sent out.The application being capable of automatic decision
Whether need to carry out car accident early warning, then if monitor vehicle front there are target object and target object approach from
Body then can issue warning signal to automated intelligent, meanwhile, the application can just start monitoring when determining forward, avoid blind
Energy waste caused by mesh monitoring ensures that working performance is in optimum state；It can be effectively prevented from and be knocked into the back using the application
Accident etc. avoids the front truck that itself knocks into the back, and avoids, to the loss for oneself causing lives and properties, ensureing passenger in driver and vehicle
Life security.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the application can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and coordinate attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the structural schematic diagram of car accident prior-warning device one embodiment of the application based on relative velocity.
Fig. 2 is a wherein embodiment operating diagram for the car accident prior-warning device based on relative velocity shown in Fig. 1.
Fig. 3 is the flow diagram of car accident method for early warning one embodiment of the application based on relative velocity.
Fig. 4 is the structural schematic diagram of one embodiment of the application vehicle device equipment.
Specific implementation mode
Further to illustrate that the application is the technological means and effect reached predetermined application purpose and taken, below in conjunction with
Attached drawing and preferred embodiment, to the application, detailed description are as follows.
By the explanation of specific implementation mode, when can be to reach the technological means and effect that predetermined purpose is taken to the application
Fruit be able to more deeply and it is specific understand, however institute's accompanying drawings are only to provide reference and description is used, and are not used for this Shen
It please limit.
It please refers to Fig.1 and Fig. 2, Fig. 1 is car accident prior-warning device one embodiment of the application based on relative velocity
Structural schematic diagram.
In the present embodiment, the car accident prior-warning device includes but not limited to monitoring device 11 and processor 12.
It should be noted that the monitoring device 11 is used to be set on vehicle and monitor the target pair of vehicle front
As.Wherein, the monitoring device 11 can be set to the position near the headstock position of vehicle front, such as front car plate.
Whether processor 12 described in present embodiment is connected with the monitoring device 11, for judging vehicle in forward
State, when determining vehicle and being in forward traveling, before the processor 12 monitors vehicle for starting the monitoring device 11
Side whether there is target object, and monitor, there are when target object, to calculate between vehicle itself and the target object
Relative velocity, and when the target object is mutually approached with the relative velocity less than predetermined threshold value, send out accident early warning signal.
It should be pointed out that present embodiment judges whether vehicle is in forward traveling, it specifically can be by judging vehicle
Actual speed whether be more than zero (not bearing in vehicle backing direction), or can judge vehicle by mobile phone or navigation software etc.
Whether travel forward.
It is noted that the accident early warning signal can be sound early warning, video early warning or its combination, certainly,
It can also be sent to by car networking on opponent vehicle and carry out early warning.
In a specific embodiment, the monitoring device 11 may include the velocity radar RV being arranged in vehicle front
(see Fig. 2), it is described that the target velocity for being used to detect vehicle front target object in the velocity radar RV of vehicle front is set；Accordingly
Ground, the processor 12 are specifically used for according to the target velocity for being arranged and being detected in the velocity radar RV of vehicle front
Travel speed with vehicle itself is combined, is calculated the relative velocity.
In the present embodiment, it is reference, the then target speed ratio of front truck with this vehicle vehicle if relative velocity is less than zero
The travel speed of this vehicle wants small, and the front truck that actively knocks into the back is shown the meeting of the distance between vehicle-to-target object by this vehicle vehicle
It being gradually reduced, the two can be more and more closer, and if the absolute value of relative velocity is larger, show that the time to collide is faster, because
This, present embodiment can set the predetermined threshold value of relative velocity as 5 kilometers per hour, 10 kilometers per hour or 20 kilometers every
Hour etc..
In a preferred embodiment, as shown in Fig. 2, Fig. 2 is the car accident early warning dress based on relative velocity shown in Fig. 1
The wherein embodiment operating diagram set.
Monitoring device 11 described in present embodiment can also include the range radar RI being arranged in vehicle front, the setting
It is correspondingly arranged in the velocity radar RV of vehicle front with described be arranged in the range radar RI of vehicle front, before detecting vehicle
Real-time range between square target object and vehicle itself；The processor 12 is additionally operable to according to the relative velocity and the reality
When distance the predicted time that accident will occur is calculated.
It is worth noting that, processor 12 described in present embodiment is additionally operable to judge whether the predicted time gradually approaches
The emergency reaction time, and when the predicted time approaches the emergency reaction time, send out accident emergency alarm.
For example, the emergency reaction time of people is generally 0.3 second or so, then, if will be after specified alarm signal
Make correct response, generally require 2 seconds total times, if so present embodiment can set predicted time approach 2 seconds with
It is interior, then accident emergency alarm should be sent out immediately, to improve security level.
It should be noted that processor 12 described in present embodiment can be vehicle device equipment processor 12, or for institute
State the processor 12 for the Cloud Server that vehicle device equipment is connected.
Specifically, the connection type of the vehicle device equipment and the Cloud Server may include 3G communication networks, 4G logical
Communication network, 5G communication networks and WIFI network.
In specific implementation mode shown in Fig. 2, the application includes being arranged to exist in the range radar RI of vehicle front and setting
The velocity radar RV of vehicle front, and by be arranged vehicle front range radar RI and the velocity radar in vehicle front is set
Whether RV is accessed in vehicle T-Box/ vehicle device equipment, knocked into the back behavior with algorithm real-time judge set in advance, and realization chases after
Tail accident pre-warning function.
Wherein, Car0 indicates target object (can be front truck or other barriers, present embodiment is by taking front truck as an example),
Car1 indicates that this vehicle, RI indicate that the range radar in vehicle front is arranged, and Rv indicates that the velocity radar in vehicle front, L is arranged
Indicate the real-time range of front truck Car0 to this vehicle Car1；V indicates that the relative velocity of Car0 to this vehicle Car1, that is, Rv are detecting
It is using Car1 as object of reference when the speed of Car0, direction vector is right ahead.
It is this vehicle Car1 actual speeds to define V1 simultaneously, and it is front truck Car0 to this vehicle Car1 in knocking into the back warning algorithm to define Lc
Constant threshold values (for calculating emergency reaction time and correct response required total time, such as total time=Lc/ relative velocities),
Present embodiment Lc can be configured by driver through T-Box/ vehicle device equipment.
It is understandable to be：
1. if V>0 indicates that front truck Car0 actual speeds are more than this vehicle Car1 speed, with the advance front truck Car0 of time
Will be far from this vehicle Car1, L will become larger；If V=0, indicate front truck Car0 actual speeds it is consistent with this vehicle Car1 speed, with when
Between elapse, L is constant；If V<0, indicate that front truck Car0 actual speeds are less than this vehicle Car1 speed, as time goes by, L will become
It is small.
2. in vehicle Car1 driving processes, finding V<0, this means that L as time goes by<=Lc, this means that this
Vehicle Car1 increasingly approaching front trucks, Ben Cheruo do not take the operations such as deceleration, brake or lane change, T-Box/ vehicle devices equipment that can judge this
Vehicle Car1 will knock into the back front truck Car0.
3. if T-Box/ vehicle device equipment will determine that this vehicle Car1 will knock into the back front truck Car0, send out early warning of knocking into the back immediately, penetrate
The sound equipment of T-Box/ vehicle device equipment, which makes a sound, reminds driver that will be knocked into the back, and is sent out through the screen of T-Box/ vehicle device equipment
Video information reminds driver that will be knocked into the back.
It should be noted that when speed is more than 100 kilometers per hour, it should be kept for 100 meters or more with same track front truck
Distance can suitably shorten, but minimum range must not be less than when speed is less than 100 kilometers per hour with same track leading vehicle distance
50 meters.Therefore present embodiment can set Lc to 50~100 meters.
The application can automatic decision whether need carry out car accident early warning, then if monitor vehicle front exist
Target object and target object approaches itself, then can issue warning signal to automated intelligent, meanwhile, the application can determine
Just start monitoring when moving ahead, avoid the energy waste caused by blindly monitoring, ensures that working performance is in optimum state；Using this
Application can be effectively prevented from rear-end collision etc., ensure the life security of passenger in driver and vehicle.
Referring to Fig. 3, the flow that Fig. 3 is car accident method for early warning one embodiment of the application based on relative velocity is shown
It is intended to.
It should be noted that car accident method for early warning of the present embodiment based on relative velocity can be applied to vehicle device and set
In standby, it can also be applied in the mobile phone being connect with vehicle device equipment, tablet computer, navigator, wearable device and Cloud Server.
Wherein, 3G communication networks, 4G communication networks, 5G communication networks and WIFI network etc. may be used in specific connection type.
As one of which embodiment, the car accident method for early warning based on relative velocity includes but not limited to such as
Under several steps.
Step S301, judges whether vehicle is in forward traveling；
Step S302 starts monitoring device monitoring vehicle front and whether there is when determining vehicle and being in forward traveling
Target object；
Step S303 is monitoring there are when target object, to calculate opposite between vehicle itself and the target object
Speed；
It is pre- to send out accident when the target object is mutually approached with the relative velocity less than predetermined threshold value by step S304
Alert signal.
It should be noted that calculating the relative velocity between vehicle itself and the target object described in present embodiment
Step can specifically include：The target velocity of vehicle front target object is detected by the way that the velocity radar in vehicle front is arranged；
The target velocity that is detected according to the velocity radar being arranged in vehicle front and the travel speed for combining vehicle itself,
The relative velocity is calculated.
Furthermore, the step of the relative velocity between vehicle itself and the target object is calculated described in present embodiment
Suddenly, can also include：By being arranged between the range radar detection vehicle front target object and vehicle itself of vehicle front
Real-time range；The predicted time of accident will be occurred by being calculated according to the relative velocity and the real-time range；Judge
Whether the predicted time is gradually close to the emergency reaction time；When the predicted time approaches the emergency reaction time, hair
Accidents happened emergency alarm.
Please continue to refer to Fig. 2, in specific implementation mode shown in Fig. 2, the application includes the ranging being arranged in vehicle front
Radar RI and the velocity radar RV in vehicle front is set, and will be arranged vehicle front range radar RI and be arranged in vehicle
In the velocity radar RV access vehicle T-Box/ vehicle device equipment in front, actively chased after with whether algorithm real-time judge set in advance has
Tail behavior occurs, and realizes rear-end collision warning function.
Wherein, Car0 indicates that front truck, Car1 indicate that this vehicle, RI indicate that the range radar in vehicle front is arranged, and Rv is indicated
Velocity radar in vehicle front is set, and L indicates the real-time range of front truck Car0 to this vehicle Car1；V indicates front truck Car0 to originally
The relative velocity of vehicle Car1, that is, Rv are the direction vectors using this vehicle Car1 as object of reference when detecting the speed of front truck Car0
For right ahead.
It is this vehicle Car1 actual speeds to define V1 simultaneously, and it is front truck Car0 to this vehicle Car1 in knocking into the back warning algorithm to define Lc
Constant threshold values (for calculating emergency reaction time and correct response required total time, such as total time=Lc/ relative velocities),
Present embodiment Lc can be configured by driver through T-Box/ vehicle device equipment.
It is understandable to be：
1. if V>0 indicates that front truck Car0 actual speeds are more than this vehicle Car1 speed, with the advance front truck Car0 of time
Will be far from this vehicle Car1, L will become larger；If V=0, indicate front truck Car0 actual speeds it is consistent with this vehicle Car1 speed, with when
Between elapse, L is constant；If V<0, indicate that front truck Car0 actual speeds are less than this vehicle Car1 speed, as time goes by, L will become
It is small.
2. in vehicle Car1 driving processes, finding V<0, this means that L as time goes by<=Lc, this means that this
Vehicle Car1 increasingly approaching front trucks, Ben Cheruo do not take the operations such as deceleration, brake or lane change, T-Box/ vehicle devices equipment that can judge this
Vehicle Car1 will knock into the back front truck Car0.
3. if T-Box/ vehicle device equipment will determine that this vehicle Car1 will knock into the back front truck Car0, send out early warning of knocking into the back immediately, penetrate
The sound equipment of T-Box/ vehicle device equipment, which makes a sound, reminds driver that will be knocked into the back, and is sent out through the screen of T-Box/ vehicle device equipment
Video information reminds driver that will be knocked into the back.
It should be noted that when speed is more than 100 kilometers per hour, it should be kept for 100 meters or more with same track front truck
Distance can suitably shorten, but minimum range must not be less than when speed is less than 100 kilometers per hour with same track leading vehicle distance
50 meters.Therefore present embodiment can set Lc to 50~100 meters.
Fig. 4 is the structural schematic diagram of one embodiment of the application vehicle device equipment.
Vehicle device equipment described in present embodiment may include processor 41, and the processor 41 is used to execute program data,
With the step of realizing the car accident method for early warning based on relative velocity described in any the above embodiment.
Specifically, the processor 41 judges whether vehicle is in forward traveling；It is in the shape that moves ahead determining vehicle
When state, the processor 41 starts monitoring device monitoring vehicle front and whether there is target object；Monitoring that there are targets pair
As when, the processor 41 calculates the relative velocity between vehicle itself and the target object；In the target object with small
When the relative velocity of predetermined threshold value mutually approaches, accident early warning signal is sent out.
It should be noted that processor 41 described in present embodiment calculates the phase between vehicle itself and the target object
To speed, the target velocity of vehicle front target object, institute can be specifically detected by the way that the velocity radar in vehicle front is arranged
State the target velocity and combine vehicle itself that processor 41 is detected according to the velocity radar being arranged in vehicle front
Travel speed, the relative velocity is calculated.
Furthermore, processor 41 described in present embodiment calculates opposite between vehicle itself and the target object
Speed can also include by being arranged between the range radar detection vehicle front target object and vehicle itself of vehicle front
Real-time range, the processor 41 is calculated according to the relative velocity and the real-time range will occur the pre- of accident
The time is surveyed, the processor 41 judges that the predicted time whether gradually close to the emergency reaction time, is forced in the predicted time
When the nearly emergency reaction time, accident emergency alarm is sent out.
It is noted that the application also provides a kind of vehicle, the vehicle can be configured with Fig. 1 and embodiments thereof institute
The car accident prior-warning device based on relative velocity stated.
The application can automatic decision whether need carry out car accident early warning, then if monitor vehicle front exist
Target object and target object approaches itself, then can issue warning signal to automated intelligent, meanwhile, the application can determine
Just start monitoring when moving ahead, avoid the energy waste caused by blindly monitoring, ensures that working performance is in optimum state.
It should be noted that WiFi technology or 5G may be used in present embodiment vehicle device equipment, vehicle and Cloud Server
Technology etc., for example the mutual network connection of 5G car networking real-time performances is utilized, 5G technologies can be used by present embodiment
One technology towards displaying, the application play vehicle crucial supporting function using 5G technologies, realize connection simultaneously
Following three typical case scene compositions specifically may be used in people, attachment or connection vehicle.
First is eMBB (Enhance Mobile Broadband enhance mobile broadband), and user experience rate is made to exist
0.1~1gpbs, peak rate is in 10gbps, and flux density is in 10Tbps/km2；
Second super reliable low time delay communication, the leading indicator that the application may be implemented are that time delay is ms end to end
(millisecond) rank；Reliability is close to 100%；
Third is mMTC (magnanimity machine type communication), and the leading indicator that the application may be implemented is connection number density, often
Square kilometre connection 1,000,000 other-ends, 10^6/km2.
By the above-mentioned means, the application using 5G technologies super reliable, low time delay when the characteristics of, in conjunction with such as radar with take the photograph
Interaction can be realized with vehicle, while feeling using the interactive of 5G technologies to the ability shown in vehicle offer as first-class
Know that function, user can do external environment one output, luminous energy does not detect state, can also do some feedbacks etc..Into one
For step, the application is also applied to inside the collaboration of automatic Pilot, such as platooning etc..
In addition, the application can also utilize 5G technologies to realize communication enhancing automatic Pilot sensing capability, and can meet
Passenger inside the vehicle to the on-vehicle informations such as AR (augmented reality)/VR (virtual reality), game, film, mobile office entertain and it is high-precision
The demand of degree.The download of the other 3D high accuracy positionings map of Centimeter Level may be implemented in 3~4Gb/km, normal vehicle in the application
The data volume of speed limit 120km/h (thousand ms/hour) map lower each second is 90Mbps~120Mbps (megabits per second), simultaneously also
It can support the local map Real-time Reconstruction of fusion onboard sensor information, and dangerous situation modeling and analysis etc..
In this application, above-mentioned vehicle device equipment can use in the Vehicular system for having vehicle TBOX, can also connect
It is connected in the CAN bus of vehicle.
In the present embodiment, CAN may include three network channels CAN_1, CAN_2 and CAN_3, and vehicle can also be set
An ethernet network channel is set, wherein three CAN network channels can be logical by two car networking gateways and ethernet network
Road is connected, and for example, wherein CAN_1 network channels include hybrid drive train, and wherein CAN_2 network channels include
Running guarantee system, wherein CAN_3 network channels include electric dynamometer system, and ethernet network channel includes higher management system
System, the higher management system include being connected to people-Che-road simulation system on ethernet network channel and comprehensive as node
Close information acquisition unit, the CAN_1 network channels, CAN_2 network channels and ethernet network channel car networking gateway
It can be integrated in integrated information collecting unit；CAN_3 network channels and the car networking gateway in ethernet network channel can collect
At in people-Che-road simulation system.
Furthermore, the node of CAN_1 network channels connection has：Engine ECU, motor MCU, battery BMS,
Automatic transmission TCU and hybrid controller HCU；The node of CAN_2 network channels connection has：Rack TT＆C system, oil
Door sensor group, power analyzer, instant oil consumption instrument, DC power cabinet, engine water temperature control system, engine motor oil temperature
Cold temperature control system in control system, motor water temperature control system and engine；The node of CAN_3 network channels connection
Have：Electric dynamometer controller.
The rate of the preferred CAN_1 network channels is 250Kbps, using J1939 agreements；CAN_2 network channels
Rate be 500Kbps, using CANopen agreements；The rate of CAN_3 network channels is 1Mbps, using CANopen agreements；With
Too the rate of net network channel is 10/100Mbps, using ICP/IP protocol.
In the present embodiment, the car networking gateway supports the 5G networks of 5G technologies, may be fitted with
IEEE802.3 interfaces, DSPI interfaces, eSCI interfaces, CAN interface, MLB interfaces, LIN interfaces and/or I2C interface.
In the present embodiment, it for example, IEEE802.3 interfaces can be used for connecting wireless router, is provided for vehicle
WIFI network；DSPI (supplier's manager component) interface is suitable for connecting Bluetooth adapter and NFC (close range wireless communication)
Orchestration can provide bluetooth connection and be connected with NFC；ESCI interfaces are for connecting 4G/5G modules, with internet communication；CAN interface
For connecting vehicle CAN bus；MLB interfaces are used to connect interior MOST (the system transmission towards media) bus, LIN interfaces
For connecting interior LIN (local interconnect network) bus；IC interfaces are for connecting DSRC (special short range communication) modules and fingerprint
Identification module.In addition, the application can mutually convert each different agreement by using MPC5668G chips, it will be different
Network merged.
In addition, at present embodiment vehicle TBOX systems (Telematics-BOX), referred to as vehicle-mounted TBOX or remote information
Manage device.
Present embodiment Telematics is the telecommunications (Telecommunications) and information science of telecommunication
(Informatics) synthesis is defined as leading by the computer system, wireless communication technique, satellite that are built on vehicle
Boat device, the service system for exchanging the Internet technologies of information such as word, voice and information being provided.Briefly just by wireless
Vehicle is accessed internet (car networking system) by network, and various information necessary to driving, life are provided for car owner.
In addition, present embodiment Telematics is wireless communication technique, satellite navigation system, network communication technology and vehicle
The synthesis for carrying computer, when breaking down in vehicle traveling, Connection Service center, carries out remote vehicle and examines by radio communication
Disconnected, built-in computer on the engine can record the state of vehicle critical piece, and be provided accurately for maintenance personal at any time
Abort situation and reason.Information is received by user communication terminal and checks traffic map, road conditions introduction, traffic information, peace
Entirely with public security service and entertainment information service etc., in addition, the vehicle of present embodiment can also back seat be arranged electronic game
And network application.It can be appreciated that present embodiment provides service by Telematics, user can be facilitated to understand traffic letter
The parking situation in parking lot is ceased, closed on, current location is confirmed, can also be connect with the network server in family, understand house in time
In electric appliance working order, security situation and guest come to visit situation etc..
ADAS (Advanced Driver Assistant System, advanced driving can be also arranged in present embodiment vehicle
Auxiliary system), the above-mentioned various sensors being installed on vehicle, the environment number inside and outside first time collecting cart can be utilized
According to the technical processing such as quiet, dynamic object identification, detecting and tracking being carried out, so as to allow driver when most fast
Between discover may generation danger, to arouse attention and improve safety.Accordingly, the application ADAS can also use radar,
The sensors such as laser and ultrasonic wave can detect light, heat, pressure or other variables for monitoring vehicle-state, be usually located at
The front/rear collision bumper of vehicle, side-view mirror, inside control stick or on windshield.It is not difficult to find out, above-mentioned ADAS functions are used
Various Intelligent hardwares, can be accessed by way of ethernet link car networking system realize communication connection, interaction.
The host of present embodiment vehicle may include logical device, circuit and/or code appropriate for realizing OSI moulds
Type (Open System Interconnection, inventionthe open systems interconnection reference model) five layers of operation above and/or
Feature operation.Therefore, host can be generated for the data packet of network transmission and/or be handled these data packets, and also
The data packet received from network can be handled.Meanwhile host can be a kind of or more by executing command adapted thereto and/or operation
Application program is planted to provide service for local user and/or one or more remote users or network node.The application not
With in embodiment, one or more security protocols can be used in host.
The above is only the preferred embodiment of the application, not made any form of restriction to the application, though
Right the application is disclosed above with preferred embodiment, however is not limited to the application, any technology people for being familiar with this profession
Member, is not departing within the scope of technical scheme, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the application without departing from technical scheme content
Any simple modification, equivalent change and modification made by above example, in the range of still falling within technical scheme.
Claims (11)
1. a kind of car accident prior-warning device based on relative velocity, which is characterized in that the car accident prior-warning device includes：
Monitoring device, the target object for being set on vehicle and monitoring vehicle front；
Processor is connected with the monitoring device, for judging whether vehicle is in forward traveling, is in determining vehicle
When forward traveling, the processor whether there is target object for starting the monitoring device monitoring vehicle front, and supervise
It measures there are when target object, calculates the relative velocity between vehicle itself and the target object, and in the target object
When mutually being approached with the relative velocity less than predetermined threshold value, accident early warning signal is sent out.
2. car accident prior-warning device according to claim 1, which is characterized in that the monitoring device includes：
Velocity radar in vehicle front is set, the target velocity for detecting vehicle front target object；
The processor, is specifically used for：
The target velocity that is detected according to the velocity radar being arranged in vehicle front and the traveling for combining vehicle itself
The relative velocity is calculated in speed.
3. car accident prior-warning device according to claim 2, it is characterised in that：
The monitoring device further includes：
Range radar in vehicle front is set, is correspondingly arranged with the velocity radar being arranged in vehicle front, for detecting
Real-time range between vehicle front target object and vehicle itself；
The processor is additionally operable to that the prediction that accident will occur is calculated according to the relative velocity and the real-time range
Time.
4. car accident prior-warning device according to claim 3, which is characterized in that the processor is additionally operable to judge institute
Predicted time is stated whether gradually close to the emergency reaction time, and when the predicted time approaches the emergency reaction time, is sent out
Accidents happened emergency alarm.
5. according to claim 1-4 any one of them car accident prior-warning devices, which is characterized in that the processor is vehicle device
The processor of equipment, or be the processor for the Cloud Server being connected with the vehicle device equipment.
6. car accident prior-warning device according to claim 5, which is characterized in that the vehicle device equipment and the cloud service
The connection type of device includes 3G communication networks, 4G communication networks, 5G communication networks and WIFI network.
7. a kind of car accident method for early warning based on relative velocity, which is characterized in that the vehicle thing based on relative velocity
Therefore method for early warning includes step：
Judge whether vehicle is in forward traveling；
When determining vehicle and being in forward traveling, starts monitoring device monitoring vehicle front and whether there is target object；
It is monitoring, there are when target object, to calculate the relative velocity between vehicle itself and the target object；
When the target object is mutually approached with the relative velocity less than predetermined threshold value, accident early warning signal is sent out.
8. car accident method for early warning according to claim 7, which is characterized in that the calculating vehicle itself and the mesh
The step of marking the relative velocity between object, specifically includes：
The target velocity of vehicle front target object is detected by the way that the velocity radar in vehicle front is arranged；
The target velocity that is detected according to the velocity radar being arranged in vehicle front and the traveling for combining vehicle itself
The relative velocity is calculated in speed.
9. car accident method for early warning according to claim 8, which is characterized in that the calculating vehicle itself and the mesh
Mark object between relative velocity the step of, further include：
By the way that the real-time range between the range radar detection vehicle front target object and vehicle itself of vehicle front is arranged；
The predicted time of accident will be occurred by being calculated according to the relative velocity and the real-time range；
Judge the predicted time whether gradually close to the emergency reaction time；
When the predicted time approaches the emergency reaction time, accident emergency alarm is sent out.
10. a kind of vehicle device equipment, which is characterized in that the vehicle device equipment includes processor, and the processor is for executing program
Data, the step of to realize according to car accident method for early warning of the claim 7-9 any one of them based on relative velocity.
11. a kind of vehicle, which is characterized in that described with good grounds claim 1-6 any one of them of vehicle configuration is based on opposite
The car accident prior-warning device of speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810568641.5A CN108639000A (en) | 2018-06-05 | 2018-06-05 | Vehicle, vehicle device equipment, car accident prior-warning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810568641.5A CN108639000A (en) | 2018-06-05 | 2018-06-05 | Vehicle, vehicle device equipment, car accident prior-warning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639000A true CN108639000A (en) | 2018-10-12 |
Family
ID=63759547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810568641.5A Pending CN108639000A (en) | 2018-06-05 | 2018-06-05 | Vehicle, vehicle device equipment, car accident prior-warning device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639000A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0950583A1 (en) * | 1998-04-18 | 1999-10-20 | DaimlerChrysler AG | Method for adapting a triggering threshold of passenger safety devices |
| CN202243308U (en) * | 2011-10-26 | 2012-05-30 | 长安大学 | Vehicular rear collision preventing device |
| CN202508044U (en) * | 2012-03-28 | 2012-10-31 | 湖南科技职业学院 | Anti-collision device of automobile |
| KR20130114782A (en) * | 2012-04-10 | 2013-10-21 | 주식회사 만도 | Collision prevention system for vehicle |
| CN104999983A (en) * | 2015-07-27 | 2015-10-28 | 苏州宏展信息科技有限公司 | Anti-collision method of automobile |
| CN107521478A (en) * | 2017-07-10 | 2017-12-29 | 浙江亚太机电股份有限公司 | Control method based on ultrasonic radar and millimetre-wave radar |
| US9959762B1 (en) * | 2017-02-24 | 2018-05-01 | Hyundai Motor Company | Apparatus and method for generating warning in vehicle |
| CN107972662A (en) * | 2017-10-16 | 2018-05-01 | 华南理工大学 | To anti-collision warning method before a kind of vehicle based on deep learning |
-
2018
- 2018-06-05 CN CN201810568641.5A patent/CN108639000A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0950583A1 (en) * | 1998-04-18 | 1999-10-20 | DaimlerChrysler AG | Method for adapting a triggering threshold of passenger safety devices |
| CN202243308U (en) * | 2011-10-26 | 2012-05-30 | 长安大学 | Vehicular rear collision preventing device |
| CN202508044U (en) * | 2012-03-28 | 2012-10-31 | 湖南科技职业学院 | Anti-collision device of automobile |
| KR20130114782A (en) * | 2012-04-10 | 2013-10-21 | 주식회사 만도 | Collision prevention system for vehicle |
| CN104999983A (en) * | 2015-07-27 | 2015-10-28 | 苏州宏展信息科技有限公司 | Anti-collision method of automobile |
| US9959762B1 (en) * | 2017-02-24 | 2018-05-01 | Hyundai Motor Company | Apparatus and method for generating warning in vehicle |
| CN107521478A (en) * | 2017-07-10 | 2017-12-29 | 浙江亚太机电股份有限公司 | Control method based on ultrasonic radar and millimetre-wave radar |
| CN107972662A (en) * | 2017-10-16 | 2018-05-01 | 华南理工大学 | To anti-collision warning method before a kind of vehicle based on deep learning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180357484A1 (en) | Video processing device and video processing method | |
| CN111240328A (en) | Vehicle driving safety monitoring method and device and unmanned vehicle | |
| CN207052098U (en) | A kind of HMI system applied to parking lot autonomous parking | |
| CN110798658A (en) | Remote vehicle moving control method, mobile terminal and vehicle | |
| CN108495330A (en) | A kind of anti-collision warning method for testing reliability of Che-vehicle information exchange communication | |
| CN202424782U (en) | Vehicle-mounted terminal device | |
| WO2019220353A2 (en) | System and method for using v2x and sensor data | |
| CN104269073A (en) | Reverse lane overtaking early warning method based on vehicle-to-vehicle communication | |
| CN103810904A (en) | VANET-based early-warning system and early-warning method for driving safety in expressway | |
| US10369995B2 (en) | Information processing device, information processing method, control device for vehicle, and control method for vehicle | |
| CN111369798A (en) | Vehicle violation monitoring method, vehicle machine and vehicle | |
| US20200361483A1 (en) | Systems and methods to issue warnings to enhance the safety of bicyclists, pedestrians, and others | |
| CN109099917A (en) | Vehicle, vehicle device equipment, user communication terminal and its vehicle address air navigation aid | |
| CN110853406A (en) | Lane change early warning method, system, server and vehicle based on 5G technology | |
| CN110411461A (en) | A kind of auxiliary navigation method, vehicle device and vehicle | |
| CN111311939A (en) | Vehicle, vehicle equipment and traffic light information map display method thereof | |
| CN109115235A (en) | Vehicle, vehicle device equipment, user communication terminal and its more equipment switch air navigation aid | |
| CN110793537A (en) | Navigation path recommendation method, vehicle machine and vehicle | |
| CN111891122B (en) | Speed limiting method and device based on vehicle position and vehicle | |
| CN112017459A (en) | Vehicle, vehicle equipment and driving assistance method for signal lamp recognition thereof | |
| CN111417101A (en) | Vehicle, intelligent terminal and vehicle emergency rescue method based on geographic position | |
| CN111311943A (en) | Vehicle, vehicle equipment and signal lamp vehicle speed optimization method thereof | |
| CN110853387A (en) | Road condition panoramic video construction display method, system, server and vehicle | |
| CN110853384A (en) | Vehicle and traffic light vehicle speed matching optimization system and method based on 5G technology | |
| CN206155177U (en) | Safety system for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181012 |