WO2021253250A1

WO2021253250A1 - Intelligent road system and method therefor, and automobile and intelligent driving device

Info

Publication number: WO2021253250A1
Application number: PCT/CN2020/096437
Authority: WO
Inventors: 曹庆恒
Original assignee: 曹庆恒
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-12-23
Also published as: CN111836748A

Abstract

An intelligent road system, comprising one or more electronic identification devices (10). The electronic identification devices (10) can be identified by a vehicle-mounted detection device (21). Information obtained by an automobile identifying the electronic identification device (10) is used for prompting a driver or guiding automatic driving/auxiliary driving of the automobile. The intelligent driving device of the automobile comprises a detection device (21) and a control device (22). The detection device (21) is used for identifying the electronic identification device (10) to obtain information. The control device (22) is used for prompting the driver or guiding automatic driving/auxiliary driving of the automobile according to the obtained information. According to the intelligent road system, the intelligent driving device , the automobile comprising the intelligent driving device and the intelligent driving method based on the intelligent road system, a driver is effectively prevented from missing signs in the driving process, and the driving difficulty of the driver can be reduced, and the complexity of the road signs and the marked lines is simplified, and abrasion of the signs and the marked lines is reduced, and accurate driving of the automobile is achieved. Moreover, the electronic identification device (10) and the underground coil of the wireless charging road are combined and embedded, so that the embedding difficulty of the electronic identification device (10) can be reduced, and the embedding cost can be lowered.

Description

Intelligent road system and method, automobile and intelligent driving device

Technical field

The present invention relates to the technical field of intelligent transportation, in particular to an intelligent road system and a method thereof, an automobile and an intelligent driving device.

Background technique

With the continuous development of technology, intelligent transportation technology is closely related to people's lives. Existing traffic roads often require a large number of road signs and markings, but drivers often miss the signs during driving, and road signs and markings are susceptible to weather and wear during use. At the same time, the existing assisted driving or unmanned driving is limited by positioning technology, it is difficult to achieve precise control of the vehicle driving route, and cannot maximize the efficiency of road use. If the road signs and markings are buried under the road, and the detection device is used to identify and prompt the driver or directly use the vehicle for automatic driving or assisted driving, the above-mentioned defects can be avoided and accurate driving can be achieved.

In addition, with the continuous development of electric vehicles and wireless charging technology, the penetration rate of electric vehicles is getting higher and higher, and wireless charging roads have begun to appear. Wireless charging roads usually require a charging coil to be buried under the road, which also provides convenience for the installation of electronic signs.

Therefore, there is an urgent need for an intelligent road system, which converts road traffic signs, markings or road guide lines into electronic signal devices and bury them under the road surface. The detection device recognizes and prompts the driver or is directly used for vehicle automatic driving or assisted driving. It can reduce the driver's driving difficulty, simplify the complexity of road signs and markings, help reduce the wear of signs and markings, and help realize accurate driving of vehicles. At the same time, by combining electronic signs with the underground coils of wireless charging roads, the difficulty and cost of burying electronic signs can be reduced.

Summary of the invention

The main purpose of the present invention is to provide an intelligent road system and a method thereof, a car and an intelligent driving device. The intelligent road system includes an electronic identification device buried in the ground, and the information obtained by the vehicle by identifying the electronic identification device is used to remind the driver or the vehicle Auto-driving or assisted driving effectively avoids the driver's missing signs during driving, can reduce the driver's driving difficulty, simplify the complexity of road signs and markings, help reduce the wear of signs and markings, and achieve accurate driving of the vehicle . At the same time, by combining the electronic sign with the underground coil of the wireless charging road, the difficulty and cost of embedding the electronic sign can be reduced.

In order to achieve the above objective, the present invention provides an intelligent road system, the system includes one or more electronic identification devices, the electronic identification devices can be identified by the vehicle-mounted detection device on the vehicle, the vehicle recognizes the The information obtained by the electronic identification device is used to prompt the driver or guide the vehicle to drive automatically/assisted driving.

In the smart road system as described above, the electronic identification device includes a signal reflector for reflecting and detecting the detection signal of the electronic identification device.

In the smart road system as described above, the electronic identification device includes a signal transmitter for sending signals with traffic information to vehicles on the road.

In the smart road system as described above, the smart road system further includes a server that can transmit data to the electronic identification device for updating/adjusting the information of the electronic identification device.

In the smart road system as described above, the smart road system can obtain the distance information between the vehicle and the electronic identification device through the time difference of the received reflected signal, thereby obtaining the precise positioning information of the vehicle.

In the smart road system as described above, the smart road system further includes a wireless charging device, the wireless charging device includes a power module and one or more transmitting modules, the transmitting modules are buried under the road, and the power modules are respectively connected to the The transmission line is connected with the transmitting module.

In the smart road system as described above, the smart road system further includes a monitoring device for monitoring vehicles on the road, and enabling different transmitting modules according to the conditions of the road vehicles.

In the smart road system as described above, the electronic identification device is arranged on the transmitting module.

The intelligent road system as described above, the intelligent road system obtains or analyzes the vehicle's driving data by receiving the detection signal of the vehicle through the electronic identification device and keeps the record. The analyzed and recorded data can be combined with real-time road traffic control/signal The situation serves as the basis for vehicle travel and compliance driving.

The present invention also provides an intelligent driving device for a vehicle. The intelligent driving device includes a detection device and a control device; the detection device is used to identify the electronic identification device to obtain information; the control device is used to prompt according to the information The driver or guides the automatic driving/assisted driving of the vehicle.

The present invention also provides an automobile, which includes the above-mentioned intelligent driving device.

The present invention also provides an intelligent driving method of an intelligent road system, the method including:

Vehicle detection electronic identification device;

Obtain information through electronic identification devices;

Prompt the driver or guide the vehicle to autopilot/assisted driving through the acquired information.

An intelligent road system and a method thereof, a car and an intelligent driving device of the present invention. The intelligent road system includes one or more electronic identification devices. The electronic identification devices can be identified by the vehicle-mounted detection device on the vehicle. The information obtained is used to prompt the driver or guide the vehicle to drive automatically/assisted driving. The intelligent driving device of the vehicle includes a detection device and a control device; the detection device is used to identify the electronic identification device to obtain information; the control device is used to prompt the driver or direct the vehicle to drive automatically/assisted driving according to the obtained information. Through the intelligent road system and its method, the automobile and the intelligent driving device of the present invention, the driver can effectively avoid missing signs during driving, can reduce the driver's driving difficulty, simplify the complexity of road signs and markings, and is beneficial to Reduce the wear of signs and markings, and realize the precise driving of the vehicle. At the same time, by burying the electronic sign in combination with the underground coil of the wireless charging road, the difficulty of burying the electronic sign and the cost of burying can be reduced.

Description of the drawings

Fig. 1 is a schematic diagram of an intelligent road system according to the first embodiment of the present invention.

Fig. 2 is a schematic diagram of an intelligent driving device for a vehicle according to a second embodiment of the present invention.

Fig. 3 is a schematic diagram of a car with an intelligent driving device according to a third embodiment of the present invention.

Fig. 4 is a flowchart of an intelligent driving method of an intelligent road system according to a fourth embodiment of the present invention.

detailed description

In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation of the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Refer to Figure 1 for the first embodiment of the present invention. Fig. 1 is a schematic diagram of an intelligent road system according to the first embodiment of the present invention. As shown in the figure, the intelligent road system of the present invention includes one or more electronic identification devices 10, which can be recognized by the vehicle-mounted detection device on the vehicle, and the information obtained by the vehicle by identifying the electronic identification device 10 is used to remind the driver Or assist vehicle driving. In the present invention, the electronic identification device 10 is preferably buried underground, or may be on the road surface or above the ground.

In the present invention, the electronic identification device 10 may include a signal reflector for reflecting and detecting the detection signal of the electronic identification device. The vehicle-mounted detection device on the vehicle sends out a detection signal, and the detection signal is transmitted to the signal reflector of the electronic identification device 10, and the detection signal is reflected back through the signal reflector. After the reflected signal is received by the vehicle-mounted detection device, the relevant information is obtained from the reflected signal Information, used to prompt the driver or guide the vehicle to drive automatically/assisted driving.

The electronic identification device 10 may also include a signal transmitter for sending signals with traffic information to vehicles on the road. The vehicle receives the signal with traffic information sent by the electronic identification device 10, and obtains relevant information from the signal, which is used to prompt the driver or guide the vehicle to drive automatically/assisted driving.

In this embodiment, the electronic identification device 10 includes a housing, a radio frequency module provided in the housing, and a signal reflector and/or a signal transmitter. The housing of the electronic identification device 10 is a non-metal housing. Since the electronic identification device 10 needs to be buried in the ground for a long time, the housing can be made of moisture-proof, hydrochloric acid, corrosion-proof, and extrusion-resistant materials. The signal reflector includes a first identification antenna. When the first identification antenna receives a detection signal from the vehicle-mounted detection device, it transmits the detection signal to the radio frequency module. After the radio frequency module demodulates and modulates the detection signal, it passes the first identification The antenna sends out a reflected signal, which is received by the vehicle-mounted detection device, and obtains relevant information from the reflected signal, which is used to prompt the driver or assist the driving of the vehicle. In the present invention, the detection signal is preferably ultrasonic, but may also be other types of detection signals.

The electronic identification device 10 can also actively send signals with traffic information to vehicles on the road through a signal transmitter. The electronic identification device 10 may further include a memory for storing traffic information, and the signal transmitter includes a second identification antenna. After the radio frequency module modulates the traffic information on the carrier wave, it transmits the modulated signal through the second identification antenna. The vehicle receives the signal with traffic information sent by the electronic identification device 10, and obtains relevant information from it to prompt the driver or Assist vehicle driving. In the present invention, the traffic information carried by the signal transmitted by the electronic identification device 10 may be: warning information, prohibition information, instruction information, guidance information, road construction safety information, route information, speed limit information, stop information, deceleration Information, starting information, turning information, U-turn information, merging information, prohibition information, traffic light information, height restriction information, license plate number restriction information, avoidance information, etc.

In the present invention, the traffic information carried by the signal transmitted by the electronic identification device 10 can be fixed traffic information, such as a speed limit of 80 km/h or a school ahead, or dynamic information, such as a red light at the front. /Green light or the lane is a bus lane/not a bus lane, etc. The intelligent road system may also include a server, which can transmit data to the electronic identification device 10 according to actual conditions for updating/adjusting the traffic information stored in the memory of the electronic identification device 10. The electronic identification device 10 also includes a communication component, which can receive data sent by the server. The server can provide updated traffic information for each electronic identification device 10 according to actual conditions, so that each electronic identification device 10 can transmit a signal with real-time traffic information. The electronic identification device 10 can also be directly linked with related transportation facilities to obtain real-time traffic information.

In the present invention, the electronic identification device 10 can send signals with different frequencies and different traffic information for different nearby vehicles. By sending targeted traffic information to different vehicles, the traffic behavior of different vehicles can be accurately managed and traffic efficiency can be improved. For example: For roads or lanes where large vehicles are prohibited from passing, the prohibited traffic information can be sent to large vehicles, and the traffic information that can be passed to ordinary vehicles can be sent.

In order to distinguish different vehicles, each vehicle may have a specific signal mark for the system to identify each vehicle, such as the license plate number, engine number, and so on. The signal mark of the vehicle can also include vehicle information, such as: model, performance, special mission vehicle/ambulance/ambulance/firetruck/police car/maintenance vehicle, etc., or the information of each vehicle stored in the server, when the system recognizes each When the vehicle is in the car, the relevant information is called up for calculation processing.

In the present invention, the first identification antenna and the second identification antenna may be two different antennas, or they may share the same antenna. The identification antenna can be a microstrip antenna, a helical antenna, etc., and the material and type of the identification antenna are not limited.

In the present invention, the vehicle can obtain the distance information between the vehicle and the electronic identification device 10 through the time difference of the received reflected signal, thereby obtaining the precise positioning information of the vehicle.

L represents the distance information between the vehicle and the electronic identification device; V represents the speed of the detection signal; T represents the time difference of the reflected signal received by the vehicle.

L=V x T

L1 represents the distance that the vehicle deviates from the electronic identification device 10 in the horizontal direction, and L2 represents the depth of the electronic identification device 10.

The present invention can also use other ranging methods, such as electromagnetic wave/ultrasonic/infrared/ray and other measurement methods such as signal strength, signal waveform superposition, signal vector superposition, etc., or GPS, Beidou positioning system and other methods to monitor the vehicle and each other. The distance of the electronic identification device, so as to obtain the real-time accurate position information of the vehicle. The precise positioning information of the vehicle can be used to prompt the driver or guide the vehicle to auto-dri Set more lanes under the width to increase the traffic volume on the road and improve the traffic efficiency.

For example: multiple electronic marking devices 10 can be buried under the road surface of the center line of each lane of the road to form an underground signal belt along the direction of each lane. Vehicles can drive on the road with the help of the electronic marking device forming the underground signal belt. The precise positioning of 10 enables the vehicle to drive along the lane accurately, which is equivalent to the existence of an "underground marking" in the lane. At the turning/merging of the lane, the vehicle can also complete the corresponding steering/merging operation according to the corresponding traffic information instruction issued by the electronic identification device 10.

The vehicle can also obtain relevant information from the signal with traffic information sent by the electronic identification device 10, such as speed limit, sharp turn, road indication, danger ahead, etc., to prompt the driver or guide the vehicle to drive automatically/ Assisted driving allows the driver to avoid missing signs during driving, which can reduce the driver’s driving difficulty and reduce the incidence of traffic accidents.

By detecting the precise positioning information of the vehicle obtained by the electronic identification device 10 and receiving the signal with traffic information sent by the electronic identification device 10, it is possible to participate/analyze and calculate the automatic driving scheme of the vehicle or realize the auxiliary driving function of the vehicle. The automatic driving scheme of a vehicle can be a single-car automatic driving scheme, or an overall automatic driving scheme for vehicles on the road. Analyzing and calculating the automatic driving scheme of the vehicle can be completed by the vehicle's own software and hardware equipment, it can also be completed by the server of the intelligent road system, or it can be completed by the cloud server through technologies such as edge computing.

The intelligent road system of the present invention may also include a wireless charging device. The wireless charging device includes a power module and one or more transmitting modules. The transmitting modules can be buried under the road surface or installed at other suitable locations around the road. The line is connected to the transmitter module. The power module obtains electric energy through the transmission line and transmits the electric energy through the transmitting module. The vehicle on the road includes a receiving coil, which can receive the electric energy from the transmitting module to charge the vehicle battery. In this embodiment, the transmitting module is preferably a transmitting coil.

In this embodiment, the transmitting modules are buried under the road surface and are arranged in sequence along the direction of travel of the vehicle. The intelligent road system may also include a monitoring device, which is used to monitor vehicles on the road and activate different transmitting modules according to the conditions of the road vehicles. When the vehicle enters the charging range of a certain transmitting module, the transmitting module is started to work, and when the vehicle moves out of the range of the transmitting module, the transmitting module is stopped. The introduction of monitoring devices can improve the efficiency of charging and avoid waste of electric energy.

In the present invention, the electronic identification device 10 can be arranged on the transmitting module of the wireless charging device. By combining the electronic identification device with the transmitting module of the wireless charging device and burying, the difficulty of burying the electronic identification device and the cost of burying can be reduced. Since the use of the electronic identification device and the transmitting module and the frequency of the signal are different, the mutual influence between them is not high. At the same time, in order to further avoid mutual influence, the electronic identification device of the intelligent road system of the present invention may also include a signal enhancer for enhancing the signal strength of the signal transmitter and/or signal reflector.

The intelligent road system of the present invention can also receive the detection signal of the vehicle or the interaction between the server and the vehicle through the electronic identification device 10, and directly obtain or analyze the driving data such as the driving route, speed, start, deceleration, braking, and parking of the vehicle. And keep records. The analyzed and recorded data can be combined with real-time road traffic control/signal conditions as the basis for vehicle travel and compliance driving.

Refer to Figure 2 for the second embodiment of the present invention. Fig. 2 is a schematic diagram of an intelligent driving device for a vehicle according to a second embodiment of the present invention. As shown in the figure, the intelligent driving device of the vehicle includes a detection device 21 and a control device 22; the detection device 21 is used to identify the electronic identification device to obtain information; the control device 22 is used to prompt the driver or direct the vehicle to drive automatically/assisted driving according to the information .

The detection device 21 includes a vehicle-mounted antenna module and a vehicle-mounted radio frequency module coupled to the vehicle-mounted antenna module. The vehicle-mounted radio frequency module modulates the detection signal and transmits it through the vehicle-mounted antenna module. After receiving the signal transmitted or reflected by the electronic identification device 10, the vehicle-mounted antenna module demodulates the signal through the vehicle-mounted radio frequency module to obtain the information therein.

The control device 22 is connected to the control system of the vehicle, and the detection device 21 transmits the acquired information to the control device 22. The control device 22 transmits the acquired information to the control system of the vehicle, and the control system of the vehicle prompts the driver or directs the vehicle to drive automatically/assisted driving according to the information. It may also be that the control device 22 includes one or more control components for controlling the auxiliary driving of the vehicle or analyzing and calculating the automatic driving plan based on the information and controlling the automatic driving of the vehicle according to the plan. The control device 22 receives the information obtained by the detection device 21 After the information, each control component controls the vehicle to assist driving according to the information, or after the control device 22 receives the information obtained by the detection device 21, it is calculated by the vehicle’s own software and hardware devices or the server of the intelligent road system according to the information. The automatic driving scheme, in which each control component controls the vehicle to drive automatically.

Refer to FIG. 3 for the third embodiment of the present invention. Fig. 3 is a schematic diagram of a car with an intelligent driving device according to a third embodiment of the present invention. As shown in the figure, a car 30 with an intelligent driving device includes the aforementioned intelligent driving device 20.

A car with an intelligent driving device of the present invention is composed of an intelligent driving device for a vehicle of the present invention, and the structural features are one-to-one corresponding. You can refer to the description of the aforementioned intelligent driving device for a vehicle, which will not be repeated here. .

Refer to FIG. 4 for the fourth embodiment of the present invention. Fig. 4 is a flowchart of an intelligent driving method of an intelligent road system according to a fourth embodiment of the present invention. As shown in the figure, the intelligent driving method of the intelligent road system includes:

Step 1: Vehicle detection electronic identification device;

Step 2: Obtain information through the electronic identification device;

Step 3: Prompt the driver or guide the vehicle to autopilot/assisted driving through the acquired information.

The intelligent driving method of the intelligent road system of the present invention is based on the intelligent transportation system of the present invention, and the structural features are one-to-one corresponding. You can refer to the description of the aforementioned intelligent transportation system, which will not be repeated here.

In summary, an intelligent road system and its method, a car, and an intelligent driving device of the present invention. The intelligent road system includes one or more electronic identification devices. The electronic identification devices can be identified by the on-board detection device on the vehicle. The information obtained by recognizing the electronic identification device is used to prompt the driver or guide the vehicle to drive automatically/assisted driving. The intelligent driving device of the vehicle includes a detection device and a control device; the detection device is used to identify the electronic identification device to obtain information; the control device is used to prompt the driver or direct the vehicle to drive automatically/assisted driving according to the obtained information. Through the intelligent road system and its method, the automobile and the intelligent driving device of the present invention, the driver can effectively avoid missing signs during driving, can reduce the driver's driving difficulty, simplify the complexity of road signs and markings, and is beneficial to Reduce the wear of signs and markings. At the same time, by burying the electronic sign in combination with the underground coil of the wireless charging road, the difficulty of burying the electronic sign and the cost of burying can be reduced.

The specific embodiments described above further describe the objectives, technical solutions and beneficial effects of the present invention in further detail. It should be understood that the above descriptions are only specific embodiments of the present invention and are not intended to limit the scope of the present invention. The protection scope, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

An intelligent road system, characterized in that, the system includes one or more electronic identification devices, the electronic identification devices can be identified by the vehicle-mounted detection device on the vehicle, and the vehicle obtains information by identifying the electronic identification device The information is used to prompt the driver or guide the vehicle to drive automatically/assisted driving.
The intelligent road system according to claim 1, wherein the electronic identification device includes a signal reflector for reflecting and detecting the detection signal of the electronic identification device.
The intelligent road system according to claim 1, wherein the electronic identification device includes a signal transmitter for sending signals with traffic information to vehicles on the road.
The intelligent road system according to any one of claims 1-3, characterized in that: the intelligent road system as described above, the intelligent road system further comprises a server, and the server can transmit data to the electronic sign The device is used to update/adjust the information of the electronic identification device.
The intelligent road system according to claim 2, characterized in that: the intelligent road system can obtain the distance information between the vehicle and the electronic identification device through the time difference of the received reflected signal, so as to obtain the precise positioning information of the vehicle.
The intelligent road system according to any one of claims 1 to 5, wherein the intelligent road system further comprises a wireless charging device, the wireless charging device comprises a power module and one or more transmitting modules, the The transmitting module is buried under the road surface, and the power supply module is respectively connected with the transmission line and the transmitting module.
The intelligent road system according to claim 6, characterized in that: the intelligent road system further comprises a monitoring device for monitoring vehicles on the road, and enabling different transmitting modules according to the conditions of the road vehicles.
The intelligent road system according to claim 6, wherein the electronic identification device is arranged on the transmitting module.
The intelligent road system according to any one of claims 1 to 5, wherein the intelligent road system obtains or analyzes the driving data of the vehicle by receiving the detection signal of the vehicle through the electronic identification device and keeps the record, the The analyzed and recorded data can be combined with real-time road traffic control/signal conditions as the basis for vehicle travel and compliance driving.
An intelligent driving device for a vehicle, characterized in that: the intelligent driving device includes a detection device and a control device; the detection device is used to identify the electronic identification device to obtain information; the control device is used to prompt according to the information The driver or guides the automatic driving/assisted driving of the vehicle.
An automobile, characterized in that: the automobile includes the intelligent driving device according to claim 10.
An intelligent driving method based on the intelligent road system according to claim 1-9, characterized in that, the method comprises:

Vehicle detection electronic identification device;

Obtain information through electronic identification devices;

Prompt the driver or guide the vehicle to autopilot/assisted driving through the acquired information.