V2X teaching system

Abstract

The invention discloses a V2X teaching system for teaching, relates to the technical field of V2X, and aims to solve the problem of lack of a V2X device capable of being applied to teaching at present. The V2X teaching system comprises two sets of simulation modules, and the simulation modules are electrically connected with a system power supply for power supply; the two groups of simulation modules are jointly connected with an Ethernet switch, and the early warning display screen is wirelessly connected with the Ethernet switch; the Ethernet switch is further electrically connected with a V2X scene unit, the V2X scene unit is arranged in a two-way communication mode, and the V2X scene unit is used for simulating a driving scene and recording and transmitting data.

Description

Technical Field

[0001] The present invention relates to the technical field of V2X, and in particular to a V2X teaching system. Background Art

[0002] C-V2X (Cellular Vehicle-to-Everything), based on 3GPP standards and leveraging cellular network communication technology, is a next-generation information and communication technology that connects vehicles to everything. V represents the new type of vehicle, and X represents any new type of object interacting with the vehicle. It enables comprehensive communication between vehicles, their surroundings, and the network, including vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I), vehicle-to-pedestrian (V2P), and vehicle-to-network (V2N). It provides environmental awareness, information exchange, and collaborative control capabilities for automotive driving and traffic management applications. It supports direct communication, cellular communication, V2X security, and vehicle-infrastructure collaboration. The application of C-V2X technology can improve driving safety, promote innovation in braking and driving technologies, alleviate traffic congestion, improve transportation efficiency, promote the development of smart cities, enhance urban governance, and promote industrial upgrading.

[0003] Currently, there is a lack of comprehensive V2X teaching and training devices in the teaching field. These simply involve connecting the OBU and RSD devices and providing an introduction to the built-in software, but they fail to provide intuitive, simple, easy-to-teach, and accessible teaching methods. These issues stem from the fact that V2X is a relatively recent technology with a relatively short industry application history. Related technical documentation and talent are still relatively scarce, and teaching materials and solutions are even more scarce. Furthermore, V2X technology itself is a relatively comprehensive and integrated solution, utilizing a 5.9GHz microwave direct link and overlaying complex communication protocols and data structures. This makes it difficult to understand and is not intuitive. Technical standards often define dynamic traffic scenarios, and simple diagrams and text descriptions are insufficiently detailed. The implementation and triggering of warning functions are also relatively abstract. Consequently, no comprehensive V2X solution currently exists for teaching. Summary of the Invention

[0004] To address the aforementioned issue, namely the current lack of V2X devices suitable for teaching, the present invention proposes a V2X teaching system comprising two sets of simulation modules. The simulation modules are electrically connected to a warning display screen and a system power supply. The warning display screen is used to display alarm information, and the system power supply is used to power the simulation modules. The simulation modules include: On-board unit (OBU), which is used to provide signal feedback; A vehicle simulation unit, which is used to output a vehicle status signal; A V2V simulation unit, which is used to output other vehicle status signals; Control unit one establishes data communication with the warning display screen, the turn signal and brake light on the onboard unit OBU are electrically connected to the control unit one, and are set up for two-way communication; the vehicle simulation unit is electrically connected to the input end of the control unit one, so as to output the vehicle status signal to the control unit one, and the control unit one outputs feedback signals to the onboard unit OBU and the warning display screen respectively based on the vehicle status signal, the turn signal and brake light on the onboard unit OBU make corresponding feedback effects based on the feedback signals, and the warning display screen makes corresponding displays based on the feedback signals; the V2V simulation unit is also electrically connected to the control unit one, so as to output the other vehicle status signal to the control unit one; the control unit one outputs feedback signals to the warning display screen based on the other vehicle status signal, and the warning display screen makes corresponding warnings based on the feedback signals.

[0005] The present invention is further configured as follows: the vehicle simulation unit includes a left turn button, a right turn button and a brake button, and the left turn button, the right turn button and the brake button are all electrically connected to the input end of the control unit; the left turn button, the right turn button and the brake button are arranged in parallel.

[0006] The present invention is further configured as follows: the V2V simulation unit includes an emergency vehicle reminder button, an emergency brake reminder button, an abnormal vehicle reminder button and a vehicle out-of-control reminder button; the emergency vehicle reminder button, the emergency brake reminder button, the abnormal vehicle reminder button and the vehicle out-of-control reminder button are all electrically connected to the input end of the control unit one; the emergency vehicle reminder button, the emergency brake reminder button, the abnormal vehicle reminder button and the vehicle out-of-control reminder button are arranged in parallel.

[0007] The present invention is further configured as follows: it also includes a V2I simulation unit, the V2I simulation unit is used to output a road status signal, the output end of the V2I simulation unit is electrically connected to the control unit three; the control unit three also establishes data communication with the input end of the control unit one, so as to input the road status signal into the control unit one.

[0008] The present invention is further configured as follows: the V2I simulation unit includes a road hazard condition prompt button, a forward congestion reminder button, a vulnerable traffic participant button, a speed limit warning button, and a road in-vehicle sign button, and the road hazard condition prompt button, the forward congestion reminder button, the vulnerable traffic participant button, the speed limit warning button, and the road in-vehicle sign button are arranged in parallel.

[0009] The present invention is further configured as follows: it also includes a traffic control unit, which is used to output a traffic control signal, and the output end of the traffic control unit is electrically connected to the input end of the control unit three to output the traffic control signal to the control unit three, and the output end of the control unit three is electrically connected to a touch display screen, and the touch display screen is used to display the relative phase information of the traffic light.

[0010] The present invention is further configured as follows: the traffic control unit includes a signal light, a camera, a radar and an RSU device, and the signal light, the camera, the radar and the RSU device are arranged in parallel.

[0011] The present invention also proposes a V2X teaching system, comprising two sets of simulation modules electrically connected to a system power supply for power supply; the two sets of simulation modules are commonly connected to an Ethernet switch and also include a warning display screen wirelessly connected to the Ethernet switch; the Ethernet switch is also electrically connected to a V2X scenario unit, configured for bidirectional communication, and the V2X scenario unit is used to simulate driving scenarios and record and transmit data; the simulation modules include: An onboard unit (OBU) for providing signal feedback, the OBU being electrically connected to the Ethernet switch and the system power supply, and also electrically connected to a GPS antenna and two V2X antennas; A vehicle simulation unit, which is used to output a vehicle status signal; A V2V simulation unit, which is used to output other vehicle status signals; Control unit 1 establishes data communication with the Ethernet switch, and the turn signal and brake light on the on-board unit (OBU) are electrically connected to control unit 1 and are configured for bidirectional communication; the vehicle simulation unit is electrically connected to the input end of control unit 1 for outputting a vehicle status signal to control unit 1; the control unit 1 outputs feedback signals to the on-board unit (OBU) and the Ethernet switch respectively based on the vehicle status signal; the turn signal and brake light on the on-board unit (OBU) make corresponding feedback effects based on the feedback signals; the V2V simulation unit is also electrically connected to control unit 1 for outputting an other vehicle status signal to control unit 1; the control unit 1 outputs a feedback signal to the Ethernet switch based on the other vehicle status signal; the Ethernet switch is configured to transmit the feedback signal transmitted from the simulation module to the warning display screen and the V2X scenario unit.

[0012] The present invention is further configured as follows: the V2X scene unit includes a computer host, the computer host is electrically connected to the Ethernet switch, and the computer host is also connected to a controller and a scene display via an HDMI transmission cable, the controller is used to input programming signals and data records, and the scene display is used to display simulated driving status simulation.

[0013] The present invention is further configured as follows: further comprising a V2I simulation unit, the V2I simulation unit being configured to output a road status signal, the output end of the V2I simulation unit being electrically connected to a third control unit, the third control unit being electrically connected to the Ethernet switch for transmitting the road status signal to the V2X scenario unit via the Ethernet switch; the output end of the third control unit being electrically connected to a touch screen display, the touch screen display being configured to display road information.

[0014] The present invention is further configured as follows: it also includes a traffic control unit, which is used to output traffic control signals. The traffic control unit includes a signal light, a camera, a radar and an RSU device. The output end of the signal light is electrically connected to the control unit three to establish data communication between the signal light and the control unit three. The camera, the radar and the RSU device are all electrically connected to the Ethernet switch to establish data communication between the camera, the radar and the RSU device and the V2X scene unit.

[0015] The beneficial effects of the present invention are:

[0016] 1. This invention provides a set of V2X teaching equipment, which integrates hardware and software elements such as on-board vehicle units (OBUs), RSUs, signal lights, warning displays, cameras, radars, and V2X scenario units, and provides teaching, demonstration, scientific research, and development capabilities. This system fully covers V2X content, making V2X more comprehensive in teaching applications and filling a gap in V2X education.

[0017] 2. Triggering and demonstrating V2X technology scenarios and issuing warnings through button triggering vividly demonstrates the warning effects and basic principles of V2X, making it more convenient for teaching and learning, and making the application of V2X in teaching more vivid.

[0018] 3. The integrated V2X system rationally integrates hardware and software components such as scene displays, onboard units (OBUs), RSUs, and warning displays to create dynamic V2X application scenarios, including warning issuance and data recording. Users can also customize driving scenarios, trigger warning functions, perform related operations, and send data, allowing students to operate and learn in different situations, further deepening their learning. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural diagram of Example 1 is shown.

[0020] Figure 2 A structural diagram of Example 2 is shown.

[0021] Figure 3 A schematic structural diagram of the on-board unit OBU in Example 2 is shown.

[0022] Figure 4 It shows the structural diagram of the on-board unit OBU, the vehicle simulation unit and the V2V simulation unit.

[0023] Figure 5 FIG2 shows a schematic structural diagram of a V2I simulation unit in Example 2.

[0024] Figure 6 The diagram shows the structure of the traffic control unit in Example 2.

[0025] Figure numerals: 1. Simulation module; 11. On-board unit OBU; 12. Vehicle simulation unit; 121. Left turn button; 122. Right turn button; 123. Brake button; 13. V2V simulation unit; 131. Emergency vehicle reminder button; 132. Emergency brake reminder button; 133. Abnormal vehicle reminder button; 134. Vehicle out-of-control reminder button; 14. Control unit one; 15. Control unit two; 2. System power supply; 3. Warning display screen; 4. V2I simulation unit; 41. Road hazard reminder button; 42. Congestion reminder button ahead; 43. Vulnerable traffic participant button; 44. Speed limit warning button; 45. Road in-vehicle sign button; 5. Control unit three; 51. Touch screen; 6. Traffic control unit; 61. Traffic light; 62. Camera; 63. Radar; 64. RSU equipment; 7. V2X scene unit; 71. Computer host; 72. Controller; 73. Scene display; 8. Ethernet switch. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0027] Example 1:

[0028] The present invention proposes a V2X teaching system, which includes two sets of simulation modules 1. The simulation modules 1 are electrically connected to a warning display screen 3 and a system power supply 2. The warning display screen 3 is a conventionally used pad that simulates the central control navigation system, in-vehicle infotainment system, and in-vehicle instrument panel of a real vehicle, thereby simulating the function of providing V2X warning information broadcasting to the driver.

[0029] The warning display screen 3 is electrically connected to a charging cable for charging the warning display screen 3. The warning display screen 3 has a built-in Android system and is also equipped with a USB interface so that the warning display screen 3 can be programmed with Android based on the V2X system, thereby realizing the degradation of Android programming teaching and cultivating students' development programming capabilities in the V2X direction.

[0030] System power supply 2 uses ordinary civilian 220V power supply to provide power source for related power supply equipment in the system.

[0031] The simulation module 1 includes an on-board unit OBU11, a vehicle simulation unit 12, a V2V simulation unit 13, and a control unit 14. The on-board unit OBU11 is used to provide signal feedback, the vehicle simulation unit 12 is used to output the vehicle status signal, the V2V simulation unit 13 is used to output the status information of other vehicles, and the control unit 14 is used to control data transmission and output feedback signals.

[0032] The control unit 14 is a single-chip microcomputer, and the output end of the control unit 14 is electrically connected to the warning display screen 3. The on-board unit OBU11 is provided with four turn signals and brake lights on both sides, two of which are installed at the front end of the on-board unit OBU11, and the other two turn signals are installed at the rear end of the on-board unit OBU11. The two brake lights are installed at the rear end of the on-board unit OBU.

[0033] The turn signals and brake lights on the onboard unit (OBU) 11 are electrically connected to control unit 14 and feature bidirectional communication, enabling two-way signal transmission between the OBU 11 and control unit 14. The output of the vehicle simulation unit 12 is electrically connected to the input of control unit 14, outputting a vehicle status signal to the control unit. Based on the vehicle status signal, control unit 14 outputs feedback signals to the OBU 11 and warning display 3, respectively. Based on the feedback signals, the OBU 11 activates the corresponding feedback effect on the turn signals and brake lights, illuminating them. The warning display 3 then displays a corresponding display based on the feedback signals.

[0034] The output end of the V2V simulation unit 13 is also electrically connected to the input end of the control unit 14, so as to output the other vehicle status signal to the control unit 14. The control unit 14 outputs a feedback signal to the warning display screen 3 based on the other vehicle status signal, and the warning display screen 3 issues a corresponding warning display and broadcast based on the feedback signal.

[0035] The on-board unit OBU11 includes a core processor, a storage unit, a V2X communication module and an antenna. The on-board unit OBU11 is also equipped with a CAN interface and an Ethernet interface.

[0036] The vehicle simulation unit 12 includes a left turn button 121, a right turn button 122, and a brake button 123. The output terminals of the left turn button 121, the right turn button 122, and the brake button 123 are electrically connected to the output terminals of the control unit 14 to output corresponding vehicle status signals to the control unit 14. The left turn button 121, the right turn button 122, and the brake button 123 are arranged in parallel and do not affect signal transmission between them.

[0037] When left-turn button 121 is pressed, it outputs a left-turn signal to control unit 14. Based on the left-turn signal, control unit 14 then outputs a feedback signal to onboard unit (OBU) 11 and warning display 3. The corresponding left turn signal on OBU 11 illuminates based on the feedback signal, and a corresponding left turn sign is displayed on warning display 3. Similarly, the operating principles of right-turn button 122 and brake button 123 are similar to those of left-turn button 121, and therefore will not be further described here.

[0038] The V2V simulation unit 13 includes an emergency vehicle reminder button 131, an emergency brake reminder button 132, an abnormal vehicle reminder button 133 and a vehicle out-of-control reminder button 134. The emergency vehicle reminder button 131, the emergency brake reminder button 132, the abnormal vehicle reminder button 133 and the vehicle out-of-control reminder button 134 respectively correspond to four situations that may occur to other vehicles relative to the vehicle, thereby simulating the relative situation of the vehicle relative to other vehicles.

[0039] The emergency vehicle reminder button 131, the emergency brake reminder button 132, the abnormal vehicle reminder button 133 and the vehicle out-of-control reminder button 134 are all electrically connected to the input end of the control unit 14, and the emergency vehicle reminder button 131, the emergency brake reminder button 132, the abnormal vehicle reminder button 133 and the vehicle out-of-control reminder button 134 are arranged in parallel, and will not affect signal transmission between each other.

[0040] When emergency brake reminder button 132 is pressed, it outputs a signal to control unit 14 indicating that the vehicle ahead of the vehicle is braking suddenly. Based on this signal, control unit 14 then outputs a feedback signal to warning display screen 3, which in turn displays a warning indicating that the vehicle ahead is braking suddenly, prompting the driver to take emergency action. Similarly, the operating principles of emergency vehicle reminder button 131, abnormal vehicle reminder button 133, and vehicle loss of control reminder button 134 are similar to those of emergency brake reminder button 132 and will not be further described here.

[0041] The V2V simulation unit 13 can simulate vehicle-to-vehicle warning scenarios and conduct dynamic scenario teaching. Combined with the vehicle simulation unit 12, it can also provide instruction on the appropriate response actions for the vehicle in the event of a vehicle-to-vehicle warning. This further implements the V2V scenario warnings required by the complete V2X technical standard.

[0042] It should be noted that the connection structure and working principle of the two sets of simulation modules 1 are the same. One set corresponds to the installation of control unit 14, and the other set corresponds to the installation of control unit 2 15. Control unit 2 15 is also a single-chip microcomputer, and control unit 2 15 is the same as control unit 14.

[0043] The system also includes a V2I simulation unit 4, which is used to output a road status signal. The output of V2I simulation unit 4 is electrically connected to control unit 3 5, which is also a single-chip microcomputer. The output of control unit 3 5 is electrically connected to the input of control unit 1 14, allowing it to input the road status signal into control unit 1 14. Based on the road status signal, the system then outputs a feedback signal to warning display screen 3, causing it to display the corresponding road warning.

[0044] The V2I simulation unit 4 includes a road hazard warning button 41, a forward congestion warning button 42, a vulnerable traffic participant button 43, a speed limit warning button 44, and a road in-vehicle sign button 45. These buttons correspond to different situations on the road, thereby simulating different situations of the vehicle relative to the road.

[0045] The road hazard condition prompt button 41, the forward congestion prompt button 42, the vulnerable traffic participant button 43, the speed limit warning button 44 and the road in-vehicle sign button 45 are all electrically connected to the input end of the control unit three 5 to output a road status signal to the control unit three 5, and the road hazard condition prompt button 41, the forward congestion prompt button, the vulnerable traffic participant button 43, the speed limit warning button 44 and the road in-vehicle sign button 45 are arranged in parallel and will not affect signal transmission between each other.

[0046] When the front congestion reminder button 42 is pressed, the front congestion reminder button 42 will output a signal of front congestion to the control unit three 5, and the control unit three 5 will then transmit the signal of front congestion to the control unit one 14. The control unit one 14 will output a feedback signal to the warning display screen 3 based on the signal of front congestion, and the warning display screen 3 will make a corresponding display based on the feedback signal.

[0047] Through the V2I simulation unit 4, it is possible to simulate the warning scenario between the vehicle and the road and conduct dynamic scenario teaching. Combined with the vehicle simulation unit 12, it is possible to provide teaching and explanation on what kind of response operations the vehicle should take when a warning occurs between the vehicle and the road, thereby realizing the complete V2I scenario warning in the V2X technical standard.

[0048] It also includes a traffic control unit 6, the output end of the traffic control unit 6 is electrically connected to the input end of the control unit three 5, so as to input a traffic control signal into the control unit three 5, and the control unit three 5 then transmits the traffic control signal into the control unit one 14. The control unit one 14 outputs a feedback signal to the warning display screen 3 based on the traffic control signal, and the warning display screen 3 makes a corresponding traffic control situation display based on the feedback signal.

[0049] The traffic control unit 6 includes a signal light 61, a camera 62, a radar 63 and an RSU device 64. The output ends of the signal light 61, the camera 62, the radar 63 and the RSU device 64 are all electrically connected to the input end of the control unit three 5, and the signal light 61, the camera 62, the radar 63 and the RSU device 64 are arranged in parallel, and there will be no signal transmission interference between each other.

[0050] The RSU device 64 is used to receive data and process information sent and received by the host computer. The output end of the control unit 3 5 is also electrically connected to the touch screen 51. The signal light 61 establishes two-way data communication with the control unit 3 5 through this electrical connection. Specifically, the signal light 61 can output a control phase signal to the control unit 3 5. The control unit 3 5 outputs a feedback signal to the touch screen 51 based on the phase signal. The touch screen 51 displays the corresponding phase information of the signal light 61 based on the feedback signal. At the same time, the touch screen 51 is also provided with a USB port for inputting programming information into the control unit 3 5. The control unit 3 5 then outputs a control signal to the signal light 61 based on the programming information to achieve the purpose of controlling the phase of the signal light 61.

[0051] The camera 62 and radar 63 can simulate the traffic control detection function and output the detection signal to the control unit three 5 through the RSU device 64. The control unit three 5 then transmits the detection signal to the control unit one 14. The control unit one 14 outputs a feedback signal to the early warning display screen 3 based on the detection signal. The early warning display screen 3 makes a corresponding traffic control display based on the feedback signal.

[0052] It should be noted that since the two sets of simulation modules 1 correspond to control unit 14 and control unit 2 15 respectively, the above schemes are all illustrated using control unit 14 as an example. The simulation module 1 corresponding to control unit 2 15 has the same working principle as control unit 1 14, so it will not be repeated here.

[0053] Example 2:

[0054] The present invention proposes a V2X teaching system comprising two sets of simulation modules 1, each electrically connected to a system power supply 2. System power supply 2 uses a common civilian 220V power supply to provide power to related power devices in the system. The two sets of simulation modules 1 are commonly connected to an Ethernet switch 8.

[0055] It also includes a warning display screen 3, which is a conventionally used Pad to simulate the central control navigation machine of a real vehicle, as well as the in-vehicle infotainment system and in-vehicle instruments, to realize the function of simulating the provision of V2X warning information broadcast to the driver.

[0056] Warning display 3 is electrically connected to a charging cable for charging. It has a built-in Android system and a USB port, allowing it to be programmed for the V2X system. This facilitates teaching Android programming and fosters students' V2X programming skills. Warning display 3 is wirelessly connected to Ethernet switch 8 via Wi-Fi, establishing wireless data communication and enabling bidirectional data signal transmission.

[0057] The Ethernet switch 8 is also electrically connected to a V2X scenario unit 7, and the V2X scenario unit 7 and the Ethernet switch 8 are set up for bidirectional communication. The V2X scenario unit 7 is used to simulate driving scenarios and record and transmit data.

[0058] The simulation module 1 includes an on-board unit OBU11, a vehicle simulation unit 12, a V2V simulation unit 13, and a control unit 14. The on-board unit OBU11 is used to provide signal feedback, the vehicle simulation unit 12 is used to output the vehicle status signal, the V2V simulation unit 13 is used to output the status information of other vehicles, and the control unit 14 is used to control data transmission and output feedback signals.

[0059] The OBU 11 is electrically connected to the Ethernet switch 8 and the system power supply 2. The system power supply 2 is used to power the OBU 11. The Ethernet switch 8 and the OBU 11 are configured for bidirectional communication to enable data communication between the OBU 11 and the Ethernet switch 8. The OBU 11 is also electrically connected to a GPS antenna and two V2X antennas.

[0060] The OBU11 receives satellite signals via a GPS antenna, including functions such as receiving and calculating location information and satellite timing. The OBU11 also broadcasts data to other OBU11s via the V2X antenna, effectively simulating the actual V2X application process. This not only vividly illustrates the functions and principles of the two antennas but also guides students in connecting signal feeders, facilitating teaching and explanation.

[0061] The on-board unit OBU11 is also connected to the electrical box with a CAN interface, which is converted into a USB interface to enhance its connection adaptability, and receives data from the on-board unit OBU11 through the CAN interface.

[0062] The control unit 14 is a single-chip microcomputer, and the output end of the control unit 14 is electrically connected to the Ethernet switch 8. The on-board unit OBU11 is provided with four turn signals and brake lights on both sides, two of which are installed at the front end of the on-board unit OBU11, and the other two turn signals are installed at the rear end of the on-board unit OBU11. The two brake lights are installed at the rear end of the on-board unit OBU.

[0063] The turn signals and brake lights on the OBU (onboard vehicle unit) 11 are both electrically connected to the control unit 14 and feature bidirectional communication, enabling bidirectional signal transmission between the OBU 11 and the control unit 14. The output of the vehicle simulation unit 12 is electrically connected to the input of the control unit 14, outputting a vehicle status signal to the control unit. Based on the vehicle status signal, the control unit 14 outputs feedback signals to the OBU 11 and the Ethernet switch 8, respectively. Based on the feedback signals, the OBU 11 activates the corresponding feedback effect for the turn signals and brake lights, activating them. The Ethernet switch 8 transmits the feedback signals to the warning display 3 and the V2X scenario module, and the warning display 3 displays the corresponding information based on the feedback signals.

[0064] The output end of the V2V simulation unit 13 is also electrically connected to the input end of the control unit 14 to output the other vehicle status signal to the control unit 14. The control unit 14 outputs a feedback signal to the Ethernet exchange based on the other vehicle status signal. The Ethernet transmits the feedback signal to the warning display screen 3 and the V2X scenario module. The warning display screen 3 issues a corresponding warning display and broadcast based on the feedback signal.

[0065] The OBU11 also includes a core processor, storage unit, V2X communication module, and Ethernet interface. The OBU11 software includes an embedded operating system, external communication module, V2X protocol stack, and V2X scenario algorithm module to support V2X warning and external communication functions. The OBU11 also features a USB port for transmitting programming information to the OBU11.

[0066] The vehicle simulation unit 12 includes a left turn button 121, a right turn button 122, and a brake button 123. The output terminals of the left turn button 121, the right turn button 122, and the brake button 123 are electrically connected to the output terminals of the control unit 14 to output corresponding vehicle status signals to the control unit 14. The left turn button 121, the right turn button 122, and the brake button 123 are arranged in parallel and do not affect signal transmission between them.

[0067] When left-turn button 121 is pressed, it outputs a left-turn signal to control unit 14. Based on the left-turn signal, control unit 14 then sends a feedback signal to the onboard unit (OBU) 11 and Ethernet switch 8. The corresponding left turn signal on OBU 11 illuminates based on the feedback signal. Ethernet switch 8 then transmits the feedback signal to warning display 3 and V2X scene unit 7, causing the left turn sign to appear on warning display 3. Similarly, the operating principles of right-turn button 122 and brake button 123 are similar to those of left-turn button 121 and are therefore not further described here.

[0068] The V2V simulation unit 13 includes an emergency vehicle reminder button 131, an emergency brake reminder button 132, an abnormal vehicle reminder button 133 and a vehicle out-of-control reminder button 134. The emergency vehicle reminder button 131, the emergency brake reminder button 132, the abnormal vehicle reminder button 133 and the vehicle out-of-control reminder button 134 respectively correspond to four situations that may occur to other vehicles relative to the vehicle, thereby simulating the relative situation of the vehicle relative to other vehicles.

[0069] The emergency vehicle reminder button 131, the emergency brake reminder button 132, the abnormal vehicle reminder button 133 and the vehicle out-of-control reminder button 134 are all electrically connected to the input end of the control unit 14, and the emergency vehicle reminder button 131, the emergency brake reminder button 132, the abnormal vehicle reminder button 133 and the vehicle out-of-control reminder button 134 are arranged in parallel, and will not affect signal transmission between each other.

[0070] When pressing emergency brake reminder button 132, it outputs a signal to control unit 14 indicating that the vehicle ahead of the vehicle has engaged in emergency braking. Based on this signal, control unit 14 then outputs a feedback signal to Ethernet switch 8, which then transmits this signal to warning display screen 3 and V2X scenario unit 7. Warning display screen 3 then displays a corresponding warning indicating that the vehicle ahead has engaged in emergency braking, prompting the driver to take emergency action. Similarly, the operating principles of emergency vehicle reminder button 131, abnormal vehicle reminder button 133, and vehicle loss of control reminder button 134 are similar to those of emergency brake reminder button 132 and are therefore not further described here.

[0071] The V2V simulation unit 13 can simulate vehicle-to-vehicle warning scenarios and conduct dynamic scenario teaching. Combined with the vehicle simulation unit 12, it can also provide instruction on the appropriate response actions for the vehicle in the event of a vehicle-to-vehicle warning. This further implements the V2V scenario warnings required by the complete V2X technical standard.

[0072] It should be noted that the connection structure and working principle of the two sets of simulation modules 1 are the same. One set corresponds to the installation of control unit 14, and the other set corresponds to the installation of control unit 2 15. Control unit 2 15 is also a single-chip microcomputer, and control unit 2 15 is the same as control unit 14.

[0073] It should be noted that the two sets of on-board units OBU11 in this embodiment can also be used as relative vehicles; each set of on-board units OBU11 is provided with two Ethernet interfaces, one of which is always connected to the Ethernet switch 8, and the other Ethernet interface is used for teaching, allowing students to independently connect to other Ethernet networks, thereby improving students' hands-on ability.

[0074] The system also includes a V2I simulation unit 4, which is used to output a road status signal. The output of the V2I simulation unit 4 is electrically connected to a control unit 3 5, which is also a single-chip microcomputer. The output of the control unit 3 5 is electrically connected to an Ethernet switch 8, for transmitting the road status signal to the V2X scenario unit 7 via the Ethernet switch 8. The output of the control unit 3 5 is also electrically connected to a touch screen 51. The control unit 3 5 outputs a feedback signal to the touch screen 51 based on the road status signal, and the touch screen 51 displays the corresponding information based on the feedback signal.

[0075] The V2I simulation unit 4 includes a road hazard warning button 41, a forward congestion warning button 42, a vulnerable traffic participant button 43, a speed limit warning button 44, and a road in-vehicle sign button 45. These buttons correspond to different situations on the road, thereby simulating different situations of the vehicle relative to the road.

[0076] The road hazard condition prompt button 41, the forward congestion prompt button 42, the vulnerable traffic participant button 43, the speed limit warning button 44 and the road in-vehicle sign button 45 are all electrically connected to the input end of the control unit three 5 to output a road status signal to the control unit three 5, and the road hazard condition prompt button 41, the forward congestion prompt button, the vulnerable traffic participant button 43, the speed limit warning button 44 and the road in-vehicle sign button 45 are arranged in parallel and will not affect signal transmission between each other.

[0077] When the front congestion reminder button 42 is pressed, the front congestion reminder button 42 will output a signal of front congestion to the control unit three 5, and the control unit three 5 will then transmit the signal of front congestion to the V2X scene unit 7 through the Ethernet switch 8, and the control unit three 5 will output a feedback signal to the touch screen 51 based on the signal of front congestion, and the touch screen 51 will make a corresponding display based on the feedback signal.

[0078] The V2I simulation unit 4 can simulate vehicle-to-road warning scenarios and conduct dynamic scenario teaching. Combined with the vehicle simulation unit 12, it can also provide instruction on the vehicle's response to vehicle-to-road warnings. This further implements the V2I scenario warnings required by the complete V2X technical standard.

[0079] The system also includes a traffic control unit 6 for outputting traffic control signals. The traffic control unit 6 includes a signal light 61, a camera 62, a radar 63, and an RSU device 64. The output of the signal light 61 is electrically connected to the input of the control unit 3 5, enabling data communication between the signal light 61 and the control unit 3 5, thus enabling bidirectional data transmission between the two. The phase signal of the signal light 61 can be transmitted to the control unit 3 5. The control unit 3 5 outputs a feedback signal to the touch screen 51 based on the phase signal of the signal light 61, so that the touch screen 51 can display the phase information of the signal light 61. The touch screen 51 is also provided with a USB port for inputting programming information into the control unit 3 5. The control unit 3 5 then outputs a control signal to the signal light 61 based on the programming information, thereby controlling the phase of the signal light 61.

[0080] The control unit 3 5 can also transmit the phase signal to the V2X scene unit 7 through the Ethernet switch 8 to record the phase information of the signal light 61.

[0081] By observing and manipulating the contents on the touchscreen display 51, the phase duration of the signal light 61 can be adjusted, facilitating understanding of the operating principle of the signal light 61 and its application within the V2X scenario unit 7. During instruction, this facilitates students' understanding of the correspondence between the phase knowledge of the signal light 61 and the actual model in the device. Furthermore, the phase duration of the signal light 61 can be directly adjusted, and the adjusted phase duration is synchronously updated within the V2X scenario unit 7, further modifying the behavior of the simulated vehicle within the V2X scenario unit 7 and making the teaching process more intuitive.

[0082] The output terminals of the camera 62, radar 63, and RSU device 64 are all electrically connected to the Ethernet switch 8. Furthermore, the signal light 61, camera 62, radar 63, and RSU device 64 are arranged in parallel so that they do not affect signal transmission. The RSU device 64 is used to receive data and process information sent and received by the host computer.

[0083] The camera 62 and radar 63 can simulate the traffic control detection function and input the detection signal into the Ethernet switch 8 through the RSU device 64. The Ethernet switch 8 then transmits the detection signal to the V2X scene unit 7, synchronizes with the traffic control device in the V2X scene unit 7, and achieves the purpose of establishing data communication with the V2X scene unit 7.

[0084] The camera 62 supports reading data such as videos and pictures in the computer, setting up the radar 63, being able to construct the radar 63 function simulating a real road traffic scene, and providing relevant data, supporting application algorithms for operating the radar 63 data.

[0085] It should be noted that traffic control unit 6 controls its connection with V2X scenario unit 7 via Ethernet switching and control unit 3 5. When data connection is established between traffic control unit 6 and V2X scenario unit 7, the traffic control equipment within V2X scenario unit 7 is synchronized. Specifically, signals detected by camera 62 and radar 63 are synchronized to V2X scenario unit 7. Specifically, during instruction, a teacher or student faces the system, and camera 62 and radar 63 detect their dynamic behavior. This dynamic behavior is synchronized to V2X scenario unit 7, simulating a collaborative relationship between vehicle and person (V2P). The phase of traffic light 61 can be edited and modified via touchscreen display 51, which is also synchronized to V2X scenario unit 7. When data connection is disconnected, traffic control unit 6 ceases to function, and V2X scenario unit 7 assumes its own control over traffic control.

[0086] It should be noted that since the two sets of simulation modules 1 correspond to control unit 14 and control unit 2 15 respectively, the above schemes are all illustrated using control unit 14 as an example. The simulation module 1 corresponding to control unit 2 15 has the same working principle as control unit 1 14, so it will not be repeated here.

[0087] The V2X scenario unit 7 includes a computer host 71. The computer host 71 can be a conventional host. It is used to run V2X scenario simulation software and control software. It has the ability to communicate over Ethernet and run related software, and can communicate data with the Ethernet switch 8 and related equipment.

[0088] The computer host 71 is electrically connected to the Ethernet switch 8 to realize the Ethernet communication function. The computer host 71 is also connected to a controller 72 and a scene display 73 via an HDMI transmission line. The controller 72 is used to record the data of the input and output programming signals, and the scene display 73 is used to display the simulated driving status simulation.

[0089] The controller 72 is a software control board. All kinds of signals transmitted into and out of the V2X scenario unit 7 are processed by the controller 72 to control and implement the time required for control, triggering and processing of V2X functional scenarios, teaching processes, practical training processes, etc.

[0090] The scene display 73 can display all application scenarios defined by the simulated V2X standard. By running each scenario one by one, the specific content and form of the V2X scenario can be fully demonstrated. The V2X scenarios that can be displayed include but are not limited to: forward collision warning, intersection collision warning, left turn assistance, blind spot lane change warning, reverse overtaking warning, emergency braking warning, abnormal vehicle reminder, vehicle loss of control warning, road hazard condition reminder, speed limit warning, red light running warning, vulnerable traffic participant collision warning, green wave speed guidance, in-vehicle signage, emergency vehicle reminder, forward congestion reminder, etc.

[0091] By displaying and recording various transmission data on the scene display 73, all data changes during the operation of the OBU 11 and RSU 64 can be intuitively demonstrated. V2X messages, including BSM messages sent by the OBU 11 and SPAT, MAP, RSI, and RSM messages sent by the RSU 64, can be displayed in real time. All internal communication data, log data, and real-time messages of the OBU 11 and RSU 64 can also be viewed. This message data can also be sent through the interface of the controller 72 for further processing. This further facilitates V2X-related teaching and programming development, further enhancing the use of V2X devices in teaching.

[0092] In summary, the present invention provides a V2X educational device, integrating hardware and software elements such as an onboard vehicle unit (OBU) 11, a roadside station (RSU) 64, a signal light 61, a warning display 3, a camera 62, a radar 63, and a V2X scenario unit 7. This system integrates teaching, demonstration, scientific research, and development capabilities. This system comprehensively covers V2X content, further enhancing V2X application in educational settings and filling a gap in V2X education. By triggering and demonstrating V2X technology scenarios and issuing warnings via a button trigger, it vividly demonstrates the warning effects and fundamental principles of V2X, facilitating teaching and learning, and making V2X applications more vivid and engaging in teaching. The integrated V2X system rationally integrates hardware and software elements such as the scenario display 73, the onboard vehicle unit (OBU) 11, the RSU 64, and the warning display 3 to generate dynamic V2X application scenarios, enabling functions such as issuing warnings and recording data. At the same time, users can also customize driving scenarios, trigger warning functions and perform related functional operations, send data, and other processing, allowing students to operate and learn according to different situations, further deepening their learning effects.

[0093] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and equivalent components may be substituted without departing from the scope of the present invention. In particular, the various technical features described in the various embodiments may be combined in any manner as long as no structural conflicts exist. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

[0094] In the description of the present invention, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. These are intended solely for ease of description and are not intended to indicate or imply that the device or component described must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not intended to indicate or imply relative importance.

[0095] Furthermore, it should be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0096] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, article, or apparatus / device.

[0097] Thus far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present invention.

Claims

1. A V2X teaching system, characterized by: The invention comprises two groups of simulation modules (1), wherein the simulation modules (1) are electrically connected to a warning display screen (3) and a system power supply (2), wherein the warning display screen (3) is used to display alarm information, and the system power supply (2) is used to supply power to the simulation modules (1); the simulation modules (1) comprise: An onboard unit OBU (11), which is used to provide signal feedback; A vehicle simulation unit (12), which is used to output a vehicle status signal; A V2V simulation unit (13) for outputting a status signal of another vehicle; A control unit (14) establishes data communication with the warning display screen (3); the turn signal and the brake light on the onboard unit OBU (11) are electrically connected to the control unit (14) and are arranged for two-way communication; the vehicle simulation unit (12) is electrically connected to the input end of the control unit (14) to output a vehicle status signal to the control unit (14); the control unit (14) outputs feedback to the onboard unit OBU (11) and the warning display screen (3) based on the vehicle status signal. The V2V simulation unit (13) is also electrically connected to the control unit 1 (14) to output the other vehicle status signal to the control unit 1 (14); the control unit 1 (14) outputs a feedback signal to the warning display screen (3) based on the other vehicle status signal, and the warning display screen (3) makes a corresponding warning based on the feedback signal.

2. The V2X teaching system according to claim 1, characterized in that: The vehicle simulation unit (12) includes a left turn button (121), a right turn button (122) and a brake button (123), and the left turn button (121), the right turn button (122) and the brake button (123) are all electrically connected to the input end of the control unit (14); the left turn button (121), the right turn button (122) and the brake button (123) are arranged in parallel.

3. The V2X teaching system according to claim 1, wherein: The V2V simulation unit (13) includes an emergency vehicle reminder button (131), an emergency brake reminder button (132), an abnormal vehicle reminder button (133) and a vehicle out-of-control reminder button (134); the emergency vehicle reminder button (131), the emergency brake reminder button (132), the abnormal vehicle reminder button (133) and the vehicle out-of-control reminder button (134) are all electrically connected to the input end of the control unit (14); the emergency vehicle reminder button (131), the emergency brake reminder button (132), the abnormal vehicle reminder button (133) and the vehicle out-of-control reminder button (134) are arranged in parallel.

4. The V2X teaching system according to claim 1, characterized in that: The invention also includes a V2I simulation unit (4), the V2I simulation unit (4) is used to output a road status signal, and the output end of the V2I simulation unit (4) is electrically connected to the control unit three (5); the control unit three (5) also establishes data communication with the control unit one (14) to input the road status signal into the control unit one (14).

5. The V2X teaching system according to claim 4, characterized in that: The V2I simulation unit (4) includes a road hazard condition prompt button (41), a front congestion reminder button (42), a vulnerable traffic participant button (43), a speed limit warning button (44), and a road in-vehicle sign button (45), wherein the road hazard condition prompt button (41), the front congestion reminder button (42), the vulnerable traffic participant button (43), the speed limit warning button (44), and the road in-vehicle sign button (45) are arranged in parallel.

6. The V2X teaching system according to claim 4, characterized in that: The invention also includes a traffic control unit (6), the traffic control unit (6) is used to output a traffic control signal, the output end of the traffic control unit (6) is electrically connected to the input end of the control unit three (5), so as to output the traffic control signal to the control unit three (5), the output end of the control unit three (5) is electrically connected to a touch screen (51), and the touch screen (51) is used to display the relative phase information of the signal light (61).

7. The V2X teaching system according to claim 6, characterized in that: The traffic control unit (6) includes a signal light (61), a camera (62), a radar (63) and an RSU device (64), and the signal light (61), the camera (62), the radar (63) and the RSU device (64) are arranged in parallel.

8. A V2X teaching system, characterized by: The invention comprises two groups of simulation modules (1), wherein the simulation modules (1) are electrically connected to a system power supply (2) for power supply; the two groups of simulation modules (1) are commonly connected to an Ethernet switch (8), and further comprise a warning display screen (3), wherein the warning display screen (3) is wirelessly connected to the Ethernet switch (8); the Ethernet switch (8) is also electrically connected to a V2X scene unit (7), and is configured for two-way communication, wherein the V2X scene unit (7) is used for simulating driving scenes and recording and transmitting data; the simulation module (1) comprises: An onboard unit (OBU) (11) for providing signal feedback, wherein the onboard unit (OBU) (11) is electrically connected to the Ethernet switch (8) and the system power supply (2), and the onboard unit (OBU) (11) is also electrically connected to a GPS antenna and two V2X antennas; A vehicle simulation unit (12), which is used to output a vehicle status signal; A V2V simulation unit (13) for outputting a status signal of another vehicle; A control unit (14) establishes data communication with the Ethernet switch (8); the turn signal and the brake signal on the onboard unit OBU (11) are electrically connected to the control unit (14) and are arranged for two-way communication; the vehicle simulation unit (12) is electrically connected to the input end of the control unit (14) to output a vehicle status signal to the control unit (14); the control unit (14) outputs feedback signals to the onboard unit OBU (11) and the Ethernet switch (8) based on the vehicle status signal. The turn signal and the brake signal on the onboard unit OBU (11) produce corresponding feedback effects based on the feedback signal; the V2V simulation unit (13) is also electrically connected to the control unit 1 (14) to output the other vehicle status signal to the control unit 1 (14); the control unit 1 (14) outputs a feedback signal to the Ethernet switch (8) based on the other vehicle status signal, and the Ethernet switch (8) is used to transmit the feedback signal transmitted from the simulation module (1) to the warning display screen (3) and the V2X scene unit (7).

9. The V2X teaching system according to claim 8, characterized in that: The V2X scene unit (7) includes a computer host (71), the computer host (71) is electrically connected to the Ethernet switch (8), and the computer host (71) is also connected to a controller (72) and a scene display (73) via an HDMI transmission line. The controller (72) is used to input programming signals and data records, and the scene display (73) is used to display simulated driving state simulation.

10. The V2X teaching system according to claim 9, characterized in that: The system further comprises a V2I simulation unit (4), the V2I simulation unit (4) being used to output a road status signal, the output end of the V2I simulation unit (4) being electrically connected to a control unit three (5), the control unit three (5) being electrically connected to the Ethernet switch (8) for transmitting the road status signal to the V2X scene unit (7) through the Ethernet switch (8); the output end of the control unit three (5) being electrically connected to a touch screen (51), the touch screen (51) being used to display road information.

11. The V2X teaching system according to claim 10, characterized in that: The system further includes a traffic control unit (6), which is used to output a traffic control signal. The traffic control unit (6) includes a signal light (61), a camera (62), a radar (63), and an RSU device (64). The output end of the signal light (61) is electrically connected to the control unit three (5) so as to establish data communication between the signal light (61) and the control unit three (5). The camera (62), the radar (63), and the RSU device (64) are all electrically connected to the Ethernet switch (8) so as to establish data communication between the camera (62), the radar (63), and the RSU device (64) and the V2X scene unit (7).

Images