CN110979322A - Automobile visual field service system - Google Patents

Automobile visual field service system Download PDF

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Publication number
CN110979322A
CN110979322A CN201911320298.3A CN201911320298A CN110979322A CN 110979322 A CN110979322 A CN 110979322A CN 201911320298 A CN201911320298 A CN 201911320298A CN 110979322 A CN110979322 A CN 110979322A
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China
Prior art keywords
vehicle
module
communication module
network communication
management system
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Withdrawn
Application number
CN201911320298.3A
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Chinese (zh)
Inventor
刘想
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Shiyan Xingqi Information Technology Co ltd
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Shiyan Xingqi Information Technology Co ltd
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Priority to CN201911320298.3A priority Critical patent/CN110979322A/en
Publication of CN110979322A publication Critical patent/CN110979322A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/095—Predicting travel path or likelihood of collision
    • B60W30/0956—Predicting travel path or likelihood of collision the prediction being responsive to traffic or environmental parameters
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention

Abstract

The invention discloses an automobile visual field service system, which comprises a main control chip, an automobile network communication module, a CAN communication module, a radar module and an acousto-optic alarm module, wherein the automobile network communication management system comprises a satellite positioning module and a wireless communication module, the automobile network communication management system acquires longitude and latitude coordinates of a vehicle through the satellite positioning module, the main control chip is respectively connected with the satellite positioning module, the wireless communication module, the acousto-optic alarm module, the radar module, the CAN communication module 7 and the like, and the automobile network communication module gives an alarm prompt to a driver according to information acquired by the satellite positioning module and the wireless communication module or directly controls the speed of the vehicle through an execution mechanism. The functions of detecting and acquiring the blind area of the running vehicle, sharing data between the acquired data and surrounding vehicles or equipment and the like in the prior art can be effectively realized.

Description

Automobile visual field service system
Technical Field
The invention belongs to the technical field of manufacturing of active safety components of motor vehicles, and relates to an automobile visual field service system.
Background
At present, the running speed of vehicles on roads is continuously improved, and on one hand, the traffic convenience of the roads is higher and higher along with the continuous improvement of the highway grade in China, particularly the rapid development of expressways; on the other hand, the performance of automobiles is better and better, and high-speed automobiles are more and more, so that the running speed of the automobiles is higher and higher, the traffic flow is larger and larger, and the traffic accidents of the automobiles are more and more.
At present, the reasons for accidents are very complex, and the accidents have factors of vehicles, human factors, roads, meteorology and other environmental factors. But in general can be divided into the following categories:
1. the vision range of a driver is limited, and particularly, traffic accidents are easy to happen when the driver encounters the conditions that the vision is affected, such as heavy rain, heavy fog, night driving, blind bending and the like.
2. When overtaking, the driver determines the speed, length, width and road surface condition around the overtaking.
3. When the vehicle runs, sudden faults are generated, so that a driver and surrounding vehicles cannot react to cause accidents such as rear-end collision and the like.
With the development of science and technology, the automobile is continuously promoted to be highly intelligent and electronic. How to expand the vision range of the driver and reduce the error of the driver in the driving process by using the prior art becomes an important development direction of automobile intellectualization.
In order to solve the above problems, some domestic organizations and groups are also conducting some research, but their solutions mainly help drivers to judge the dangerous situations before and after vehicles by measuring the distance and speed of surrounding obstacles or vehicles through ultrasonic waves or high frequency radars. However, this solution has significant limitations:
1. the detection range of the system is related to the quantity and the direction of the ultrasonic waves or radars arranged on the vehicle, and the general vehicles are two front and back vehicles, namely, the vehicles or the obstacles in the front and back directions of the vehicles can be detected only
2. Because ultrasonic waves or radar cannot penetrate through vehicles or obstacles, the system cannot detect whether vehicles are in the corners for right-angle or cross blind bends on the road.
3. The acquired data of the surrounding vehicles can only be used by systems in the vehicles, the data cannot be shared with the surrounding vehicles or equipment, and the faults (such as a braking system, an engine, a steering system and the like) existing in the vehicles cannot be informed to the surrounding vehicles, so that other drivers can prevent the faults in advance.
Disclosure of Invention
The technical problem to be solved by the technical scheme provided by the invention is as follows: the traffic safety problem is caused by limited vision range of a driver, misjudgment and sudden failure of the vehicle; meanwhile, in the prior art, the distance measurement and speed measurement are carried out on surrounding obstacles or vehicles through ultrasonic waves or high-frequency radars, only vehicles or obstacles in the front-back direction of the vehicles can be detected, the right-angle or blind-cross-bend corners on the road cannot be detected, and the acquired data of the surrounding vehicles can only be used by systems in the vehicles, and cannot share data with the surrounding vehicles or equipment; the technical scheme provided by the invention aims to improve the observation capability of a driver on the surrounding road conditions, reduce the probability of accidents caused by misjudgment of the driver and remind the driver to avoid the surrounding faulty vehicles, and the automobile vision service system is invented.
The technical proposal provided by the invention is that the inter-vehicle network communication management system of the automobile vision service system comprises a main control chip, a vehicle-mounted network communication module, a CAN communication module, a radar module and a sound-light alarm module,
the vehicle-mounted network communication module comprises a satellite positioning module and a wireless communication module, the inter-vehicle network communication management system acquires longitude and latitude coordinates of a vehicle through the satellite positioning module, the main control chip is respectively connected with the satellite positioning module, the wireless communication module, the acousto-optic alarm module, the radar module, the CAN communication module 7 and the like, wherein,
a. the main control chip acquires longitude and latitude coordinates of the vehicle through the satellite positioning module,
b. calculating the change of the longitude and latitude coordinates of the vehicle according to a program set by the main control chip to obtain the speed vector of the vehicle,
c. calculating longitude and latitude coordinates of the top point of the vehicle body according to the installation position of the inter-vehicle network communication management system on the vehicle and the length and width information of the vehicle;
the vehicle-mounted network communication module can send and receive information through the wireless communication module, wherein,
a. the wireless communication module sends out longitude and latitude coordinates of the vehicle and vehicle state information,
b. the wireless communication module can receive information sent by other vehicles with the same function of the inter-vehicle network communication management system;
the vehicle-mounted network communication module carries out alarm prompt on a driver according to the information obtained by the satellite positioning module and the wireless communication module or directly carries out speed control on the vehicle through an execution mechanism.
The inter-vehicle network communication management system obtains vehicle longitude and latitude coordinates through the satellite positioning module, obtains a vehicle speed vector through calculating the change of the vehicle longitude and latitude coordinates, and calculates the longitude and latitude coordinates of a vehicle body vertex according to the installation position of the system on the vehicle, the length and the width of the vehicle.
The CAN communication module is connected with a CAN bus of a vehicle and acquires vehicle signals through the CAN bus, the vehicle signals comprise brake signals, steering signals, emergency running light signals and fault signals of a vehicle key system of the vehicle, and the fault signals of the vehicle key system comprise brake system fault signals, steering system fault signals and power transmission system fault signals.
The inter-vehicle network communication management system is also connected with a vehicle-mounted electronic map and a help seeking button, and after receiving and sending the vehicle signal through the wireless communication module, the inter-vehicle network communication management system sends the acquired data to the calculation module and displays the position of the surrounding vehicle and the vehicle state information on the electronic map.
When the inter-vehicle network communication management system cannot communicate with other vehicles, the relative positions of the vehicle and the front and rear vehicles can be measured through the radar module; and calculating longitude and latitude coordinates of surrounding vehicles according to the longitude and latitude coordinates and the relative position of the vehicle and displaying the longitude and latitude coordinates on the electronic map.
The inter-vehicle network communication management system sends the information to the calculation module according to longitude and latitude coordinates and speed vectors of vehicle body vertexes of the current vehicle and surrounding vehicles, and is used for active obstacle avoidance and auxiliary lane change of the vehicles; the inter-vehicle network communication management system reminds a driver of possible dangerous factors in the driving direction by calculating the relative position change of surrounding vehicles, and actively controls the speed when danger is about to occur.
The inter-vehicle network communication management system is communicated with the road traffic management system through the wireless communication module.
The inter-vehicle network communication management system calculates the vehicle density of the road section where the vehicle is located according to longitude and latitude coordinates of surrounding vehicles; and calculates whether the vehicle is in a congested state according to the speed of the surrounding vehicles,
when the vehicle is in a congestion state, the inter-vehicle network communication management system sends congestion information data to the outside through the wireless communication module;
the congestion data sent by the inter-vehicle network communication management system comprises congestion position information, when other systems receive congestion information sent by more than three vehicles from the same road section, the congestion of the road section is confirmed, and the distance between the congestion position information and a congestion point is calculated;
when the distance between the inter-vehicle network communication management system and the congestion point is within a set range, the inter-vehicle network communication management system integrates all received congestion information, converts the received congestion information into congestion information on a certain road section, displays the congestion information on an electronic map, forwards and transmits the congestion information, and forms a relay link radiating from the congestion point to the outside;
and in the process of transmitting the information outwards, if a certain vehicle receives the congestion information, calculating that the distance between the vehicle and the congestion point exceeds a set range, and then not transmitting the congestion information outwards.
The inter-vehicle network communication management system has a function of sending a help-seeking signal to surrounding vehicles:
when the vehicle breaks down and is anchored, the help seeking information is sent to surrounding vehicles through the wireless communication module and is spread outwards through the relay action of the surrounding vehicles, and the vehicle rescues the fault vehicle after receiving the help seeking information.
The wireless communication module is provided with a dynamic vehicle identifier when sending data, marks longitude and latitude coordinates, speed vectors, longitude and latitude coordinates of vehicle vertexes, braking signals, steering signals, emergency driving light signals and fault signals of a vehicle key system sent by a vehicle in a current local area network, and is used for identifying the source of data of systems on other vehicles, and the vehicle identifier can be randomly distributed by a communication system or automatically set by a driver.
By adopting the technical scheme provided by the invention, the traffic safety problems caused by limited vision range of a driver, judgment errors and sudden failures of the vehicle can be effectively solved; meanwhile, in the prior art, the distance measurement and speed measurement are carried out on surrounding obstacles or vehicles through ultrasonic waves or high-frequency radars, only vehicles or obstacles in the front-back direction of the vehicles can be detected, the right-angle or blind-cross-bend corners on the road cannot be detected, and the acquired data of the surrounding vehicles can only be used by systems in the vehicles, and cannot be shared with the surrounding vehicles or equipment. Meanwhile, the invention also has the following advantages:
1. the system can lead the driver to obtain the vehicle conditions in an infinite distance range on the current driving line through the relay among the vehicles theoretically, and can prevent the traffic jam and the dangerous conditions which possibly occur in advance.
2. The system does not need a base station or a main communication node, any vehicle with the system can form a communication network, and vehicles can be added or reduced at any time within the communication range.
3. The system has an open communication protocol, and any module with the same communication protocol can receive and transmit data in the network.
4. The system has strong expansibility and can be butted with an intelligent traffic system. Realize road intersection control, vehicle marshalling and driving, traffic management and the like
5. The automobile identification device has the advantages that the automobile identification device can be set, a driver can set the automobile identification device capable of enabling other automobiles to identify through the function, and mutual identification between teams or organizations is facilitated.
Drawings
The invention is further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
wherein, 1 is a main control chip; 2 is a satellite positioning module; 3 is a wireless communication module; 4, a sound and light alarm module; 5 is an electronic map; 6 is a help-seeking button; 7 is a CAN communication module; 8 is a CAN bus; 9 is a brake signal; 10 is a steering signal; 11 is an emergency light signal; 12 is a fault signal of a critical system; and 13 is a radar module.
Detailed Description
The design concept of the invention is to solve the technical problems that the running vehicle can not know the detection blind area, the obtained data can only be used by the system in the vehicle, and the data can not be shared with the surrounding vehicles or equipment in the prior art; providing early warning and reference for surrounding vehicles with the same function, acquiring related data through a modern detection and network transmission means, and rapidly calculating through a high-efficiency calculation chip to obtain a reasonable disposal scheme or provide an alarm for a driver; in addition, the accurate data detected or obtained by the preceding vehicle on the spot is sent out by the group of data through network communication, so that the following vehicles are prompted in advance, and a good early warning function is achieved.
Various modules and related functions involved in the present invention are functions of a single module and a module that can be realized in the prior art. The invention mainly protects and considers the technical problems and functions, organically combines the functions of the existing module and the existing module, and plays greater efficiency, provides a specific technical scheme aiming at solving the technical problems in the field, promotes the technical progress, and has obvious effect.
As shown in figure 1, the technical scheme provided by the invention is that the automobile vision service system comprises a main control chip 1, an automobile network communication module, a CAN communication module 7, a radar module 13 and an audible and visual alarm module 4,
the vehicle-mounted network communication module comprises a satellite positioning module 2 and a wireless communication module 3, the inter-vehicle network communication management system acquires longitude and latitude coordinates of a vehicle through the satellite positioning module 2, the main control chip 1 is respectively connected with the satellite positioning module 2, the wireless communication module 3, the acousto-optic alarm module 4, the radar module 13, the CAN communication module 7 and the like, wherein,
a. the main control chip 1 acquires longitude and latitude coordinates of the vehicle through the satellite positioning module 2,
b. the change of the longitude and latitude coordinates of the vehicle is calculated according to the program set by the main control chip 1 to obtain the speed vector of the vehicle,
c. calculating longitude and latitude coordinates of the top point of the vehicle body according to the installation position of the inter-vehicle network communication management system on the vehicle and the length and width information of the vehicle;
the vehicle-mounted network communication module can send and receive information through the wireless communication module 3, wherein,
a. the wireless communication module 3 sends out the longitude and latitude coordinates of the vehicle and the vehicle state information,
b. the wireless communication module 3 can receive information sent by other vehicles with the same function of the inter-vehicle network communication management system;
the vehicle-mounted network communication module carries out alarm prompt on a driver according to the information obtained by the satellite positioning module 2 and the wireless communication module 3 or directly carries out speed control on the vehicle through an execution mechanism.
After the inter-vehicle network communication management system obtains the longitude and latitude coordinates of the vehicle through the satellite positioning module 2, the speed vector of the vehicle is obtained through calculation of the change of the longitude and latitude coordinates of the vehicle, and the longitude and latitude coordinates of the top point of the vehicle body are calculated according to the installation position of the system on the vehicle, the length of the vehicle and the width of the vehicle.
The CAN communication module 7 is connected with a CAN bus 8 of a vehicle and acquires vehicle signals through the CAN bus 8, the vehicle signals comprise brake signals 9, steering signals 10, emergency light signals 11 and fault signals 12 of a vehicle key system, and the fault signals 12 of the vehicle key system comprise brake system fault signals, steering system fault signals and power transmission system fault signals.
The technical scheme provided by the invention is characterized in that a CAN communication module 7 is connected with a vehicle CAN bus 8, and a braking signal 9, a steering signal 10, an emergency light signal 11 and a fault signal 12 (such as a braking system, a steering system and a power transmission system) of a vehicle are obtained through the vehicle CAN bus 8.
The inter-vehicle network communication management system is also connected with a vehicle-mounted electronic map 5 and a help seeking button 6, and after receiving and sending the vehicle signals through the wireless communication module 3, the inter-vehicle network communication management system sends the acquired data to the calculation module and displays the position of surrounding vehicles and vehicle state information on the electronic map 5. When any vehicle communicates through the wireless communication module 3, a master control system or a base station is not needed, and the vehicle can communicate freely without quantity limitation.
When the inter-vehicle network communication management system cannot communicate with other vehicles, the relative positions of the vehicle and the front and rear vehicles can be measured through the radar module 13; and the longitude and latitude coordinates of the surrounding vehicles are calculated according to the longitude and latitude coordinates and the relative position of the own vehicle and are displayed on the electronic map 5.
The inter-vehicle network communication management system sends the information to the calculation module according to longitude and latitude coordinates and speed vectors of vehicle body vertexes of the current vehicle and surrounding vehicles, and is used for active obstacle avoidance and auxiliary lane change of the vehicles; the inter-vehicle network communication management system reminds a driver of possible dangerous factors in the driving direction by calculating the relative position change of surrounding vehicles, and actively controls the speed when danger is about to occur.
The inter-vehicle network communication management system communicates with the road traffic management system through the wireless communication module 3. The road traffic management system can calculate the traffic density on the road according to the obtained longitude and latitude coordinates of the surrounding vehicles, so that traffic signals are optimized, and the traffic efficiency of vehicles at the intersection is improved.
The inter-vehicle network communication management system calculates the vehicle density of the road section where the vehicle is located according to longitude and latitude coordinates of surrounding vehicles; and calculates whether the vehicle is in a congested state according to the speed of the surrounding vehicles,
when the vehicle is in a congestion state, the inter-vehicle network communication management system sends congestion information data to the outside through the wireless communication module 3;
the congestion data sent by the inter-vehicle network communication management system comprises congestion position information, when other systems receive congestion information sent by more than three vehicles from the same road section, the congestion of the road section is confirmed, and the distance between the congestion position information and a congestion point is calculated;
when the distance between the inter-vehicle network communication management system and the congestion point is within a set range, the inter-vehicle network communication management system integrates all received congestion information, converts the received congestion information into congestion information on a certain road section, displays the congestion information on the electronic map 5, forwards and transmits the congestion information, and forms a relay link radiating from the congestion point to the outside;
and in the process of transmitting the information outwards, if a certain vehicle receives the congestion information, calculating that the distance between the vehicle and the congestion point exceeds a set range, and then not transmitting the congestion information outwards.
The inter-vehicle network communication management system has a function of sending a help-seeking signal to surrounding vehicles:
when the vehicle breaks down and is anchored, the help seeking information is sent to the surrounding vehicles through the wireless communication module 3 and is spread outwards through the relay action of the surrounding vehicles, and the vehicle rescues the fault vehicle after receiving the help seeking information.
The wireless communication module 3 has a dynamic vehicle identifier when sending data, and is marked with longitude and latitude coordinates, a speed vector, longitude and latitude coordinates of a vehicle vertex, a brake signal 9, a steering signal 10, an emergency light signal 11 and a fault signal 12 of a vehicle key system sent by a vehicle in the current local area network, and is used for identifying the source of data by systems on other vehicles, and the vehicle identifier can be randomly distributed by a communication system or autonomously set by a driver.
The foregoing detailed description is intended to illustrate and not limit the invention, which is intended to be within the spirit and scope of the appended claims, and any modifications and variations of the invention may be made thereto without departing from the spirit and scope of the invention.

Claims (4)

1. An automobile visual field service system is characterized in that the inter-vehicle network communication management system comprises a main control chip (1), a vehicle-mounted network communication module, a CAN communication module (7), a radar module (13) and a sound-light alarm module (4),
the vehicle-mounted network communication module comprises a satellite positioning module (2) and a wireless communication module (3), the inter-vehicle network communication management system acquires longitude and latitude coordinates of a vehicle through the satellite positioning module (2), and the main control chip (1) is connected with the satellite positioning module (2), the wireless communication module (3), the acousto-optic alarm module (4), the radar module (13) and the CAN communication module (7) respectively.
2. An automobile vision service system according to claim 1, wherein the CAN communication module (7) is connected with a CAN bus (8) of the vehicle and acquires vehicle signals through the CAN bus (8), the vehicle signals comprise a brake signal (9), a steering signal (10), an emergency light signal (11) and a fault signal (12) of a vehicle critical system, and the fault signal (12) of the vehicle critical system comprises a brake system fault signal, a steering system fault signal and a power transmission system fault signal.
3. An automobile visual field service system according to claim 1 or 2, wherein the inter-vehicle network communication management system is further connected with an on-vehicle electronic map (5) and a help-seeking button (6), and after receiving and transmitting the vehicle signal through the wireless communication module (3), the inter-vehicle network communication management system transmits the acquired data to the calculation module, and displays the position of the surrounding vehicle and the vehicle state information on the electronic map (5).
4. An automobile vision service system according to claim 3, wherein said inter-vehicle network communication management system communicates with each other through the wireless communication module (3) and the road traffic management system.
CN201911320298.3A 2019-12-19 2019-12-19 Automobile visual field service system Withdrawn CN110979322A (en)

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Application Number Priority Date Filing Date Title
CN201911320298.3A CN110979322A (en) 2019-12-19 2019-12-19 Automobile visual field service system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911320298.3A CN110979322A (en) 2019-12-19 2019-12-19 Automobile visual field service system

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CN201911320298.3A Withdrawn CN110979322A (en) 2019-12-19 2019-12-19 Automobile visual field service system

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