CN218547006U

CN218547006U - Tracker

Info

Publication number: CN218547006U
Application number: CN202222120843.8U
Authority: CN
Inventors: 钱嘉楠
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-02-28
Anticipated expiration: 2032-08-11
Also published as: WO2024031962A1

Abstract

The application discloses tracker relates to mobile communication technical field, and this tracker is applied to the car networking system, and the tracker includes: a V2X antenna element; the radio frequency unit is connected with the V2X antenna unit; the base band unit is connected with the radio frequency unit; the power supply unit is connected with the radio frequency unit and the baseband unit and used for supplying power to the radio frequency unit and the baseband unit; when the tracker enters a signal transmission range of the Internet of vehicles system, the V2X antenna unit acquires a first signal sent by the road side unit and/or the vehicle-mounted unit; the radio frequency unit demodulates the first signal to obtain a second signal and sends the second signal to the baseband unit; the baseband unit obtains road information according to the second signal and carries out safety prompt according to the road information. The tracker is used for providing road information for pedestrians to help the pedestrians to actively avoid road risks, and therefore the traffic accident occurrence rate is reduced.

Description

Tracker

Technical Field

The application relates to the technical field of mobile communication, in particular to a tracker.

Background

At present, the number of road traffic accidents climbs year by year, and in order to reduce the road traffic accidents, attention is paid to and an accident early warning technology (Vehicle to accident, abbreviated as V2X) is developed, so that more and more road information can be provided to vehicles and drivers equipped with V2X devices in real time. The existing V2X technology usually only collects the positioning information of pedestrians to help vehicles to avoid the pedestrians, but accidents caused by people such as overspeed, drunk driving or fatigue driving are higher and higher, so that it is necessary to remind the pedestrians of active risk avoidance.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application mainly aims to provide a tracker which is used for providing road information for pedestrians to help the pedestrians to actively avoid road risks, so that the traffic accident occurrence rate is reduced, and the life health of the pedestrians is guaranteed.

To achieve at least the above object, an embodiment of the present application provides a tracker, including: a V2X antenna element; the radio frequency unit is connected with the V2X antenna unit; the baseband unit is connected with the radio frequency unit; the power supply unit is connected with the radio frequency unit and the baseband unit and used for supplying power to the radio frequency unit and the baseband unit; when the tracker enters a signal transmission range of the Internet of vehicles system, the V2X antenna unit acquires a first signal sent by the road side unit and/or the vehicle-mounted unit; the radio frequency unit demodulates the first signal to obtain a second signal and sends the second signal to the baseband unit; and the baseband unit obtains road information according to the second signal and carries out safety prompt according to the road information.

The application provides a tracker, this tracker includes: a V2X antenna element; the radio frequency unit is connected with the V2X antenna unit; the base band unit is connected with the radio frequency unit; the power supply unit is connected with the radio frequency unit and the baseband unit and used for supplying power to the radio frequency unit and the baseband unit; when the tracker enters a signal transmission range of the Internet of vehicles system, the V2X antenna unit acquires a first signal sent by the road side unit and/or the vehicle-mounted unit; the radio frequency unit demodulates the first signal to obtain a second signal and sends the second signal to the baseband unit; the baseband unit obtains road information according to the second signal and carries out safety prompt according to the road information. The tracker can be carried by a pedestrian so as to provide more road information for the pedestrian and help the pedestrian to actively avoid the road risk.

Drawings

Fig. 1 is a diagram of an application scenario of a tracker according to an embodiment of the present application;

FIG. 2 is a schematic block diagram of a tracker provided in an embodiment of the present application;

FIG. 3 is a schematic block diagram of a tracker provided in an embodiment of the present application;

FIG. 4 is a schematic block diagram of a tracker provided in an embodiment of the present application;

FIG. 5 is a schematic block diagram of a tracker provided in an embodiment of the present application;

fig. 6 is a schematic block diagram of a power supply unit provided in an embodiment of the present application;

FIG. 7 is a schematic block diagram of a tracker provided in an embodiment of the present application;

FIG. 8 is a schematic block diagram of a tracker provided in an embodiment of the present application;

FIG. 9 is a schematic block diagram of a tracker provided in an embodiment of the present application;

FIG. 10 is a schematic block diagram of a tracker provided in an embodiment of the present application;

fig. 11 is a schematic structural diagram of a tracker according to an embodiment of the present application.

Description of the reference numerals:

100. a tracker; 101. a housing; 102. a circuit board; 200. a road side unit; 300. an on-board unit; 11. a V2X antenna element; 12. a radio frequency unit; 13. a baseband unit; 14. a power supply unit; 141. a battery management unit; 142. a battery cell; 143. a charging interface; 144. a first conversion unit; 145. a second conversion unit; 146. an electricity indicating unit; 15. a presentation unit; 16. a communication unit; 17. a positioning unit; 18. a motion unit; 19. a security element.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The tracker provided in the embodiments of the present application is described in detail below with reference to specific embodiments.

As shown in fig. 1, the tracker 100 provided in the present application is applied to an internet of vehicles system, where the internet of vehicles system includes a Road Side Unit (RSU) 200 and an On Board Unit (OBU) 300, and when the tracker 100 enters a signal transmission range of the internet of vehicles system, the tracker 100 can complete a communication handshake with the Road Side Unit 200 and the OBU 300. The tracker can communicate with the road side unit and the vehicle-mounted unit in the vehicle networking system and acquire road information, generates safety information according to user information and the road information by using the baseband module, and sends out safety prompt to a user according to the safety information. The tracker can be carried by a pedestrian so as to provide more road information for the pedestrian and help the pedestrian to actively avoid the road risk.

It should be noted that the method and the device are mainly applied to providing the road risk prompt for the pedestrians and also applied to providing the road risk prompt for the drivers.

As shown in fig. 2, the present application provides a tracker 100, the tracker 100 comprising: V2X antenna element 11, radio frequency unit 12, baseband unit 13, power supply unit 14.

The radio frequency unit 12 is connected to the V2X antenna unit 11, the baseband unit 13 is connected to the radio frequency unit 12, the power supply unit 14 is connected to the radio frequency unit 12 and the baseband unit 13, and the power supply unit 14 is configured to supply power to the radio frequency unit 12 and the baseband unit 13. When the tracker 100 enters a signal transmission range of the internet of vehicles system, the V2X antenna unit 11 acquires a first signal sent by the roadside unit 200 and/or the on-board unit 300; the radio frequency unit 12 demodulates the first signal to obtain a second signal, and sends the second signal to the baseband unit 13; the baseband unit 13 obtains the road information according to the second signal, and performs the safety prompt according to the road information.

For example, as shown in fig. 1 and fig. 2, when a user (pedestrian) enters a signal transmission range of the roadside unit 200 or the on-board unit 300 with the tracker 100, the V2X antenna unit 11 in the tracker 100 receives information of a communication handshake sent by the roadside unit 200 and/or the on-board unit 300, and after the tracker 100 completes the communication handshake with the roadside unit 200 and/or the on-board unit 300, the V2X antenna unit 11 receives first information sent by the roadside unit 200 and/or the on-board unit 300, where the road information includes: the location of nearby vehicles, the speed of the vehicle, the direction of travel of the vehicle, and the road surface condition. The radio frequency unit 12 performs primary demodulation on the road information acquired by the V2X antenna unit 11 to obtain a second signal, and sends the second signal to the baseband unit 13; the baseband unit 13 performs secondary demodulation according to the second signal to obtain road information, and performs security prompt according to the road information.

In some embodiments, as shown in fig. 3, the tracker 100 may further include a prompting unit 15, the prompting unit 15 is connected to the baseband unit 13, the prompting unit 15 is further connected to the power supply unit 14, the power supply unit 14 supplies power to the prompting unit 15, the prompting unit 15 includes at least one of a sound device and a vibration device, and outputs a safety prompt through the sound device and/or the vibration device, for example, the baseband unit 13 controls the sound device to emit a sound prompt, and the baseband unit 13 controls the vibration device to emit a vibration prompt, so as to prompt the user to avoid risks. Wherein the sound device may be a buzzer and the vibration device may be a vibration motor.

In some embodiments, as shown in fig. 4, the tracker 100 may further include a communication unit 16, the communication unit 16 is connected to the baseband unit 13 and the power supply unit 14, the power supply unit 14 supplies power to the communication unit 16, the baseband unit 13 transmits the road information to the communication unit 16, and the communication unit 16 transmits the road information to the mobile terminal of the user. And the mobile terminal of the user responds to the safety information and outputs a safety prompt. The mobile terminal can also visually display the road information to help a user obtain more road information, so that the road risk is better avoided.

In some embodiments, the communication unit 16 may include a bluetooth unit and/or a WiFi unit, such that the tracker 100 may establish communication with the mobile terminal via the bluetooth unit or the WiFi unit.

It should be noted that the mobile terminal of the user includes: electronic equipment such as cell-phone, panel computer, personal digital assistant and wearable equipment.

The application provides a tracker 100, and the tracker 100 can analyze road information provided by a vehicle networking system and send a safety prompt to a user based on the road information to prompt the user to pay attention to traffic risks possibly existing on a road, so that the user is helped to actively avoid the risks, and the transmission probability of traffic accidents is reduced.

In some embodiments, as shown in fig. 5, the power supply unit 14 may specifically include a battery management unit 141, a battery unit 142, a charging interface 143, a first conversion unit 144, and a second conversion unit 145. The battery unit 142 is connected to a battery management unit 141, the battery management unit 141 is used for controlling charging and discharging of the battery unit 142, and the battery management unit 141 includes a battery control chip and a plurality of switch circuits for controlling charging and discharging. The charging interface 143 is connected to the battery management unit 141, a first end of the first conversion unit 144 is connected to the battery management unit 141, a second end of the first conversion unit 144 is connected to the rf unit 12, and the battery management unit 141 is further connected to the baseband unit 13 to supply power to the rf unit 12 and the baseband unit 13, respectively.

In some embodiments, when the charging interface 143 is connected to a charging power source, the battery management unit 141 is responsible for completing the power adaptation by charging the battery unit 142 with the charging power source and powering the various units in the tracker 100. The charging interface 143 includes a USB interface and a Typc interface.

In some embodiments, the first converting unit 144 is a voltage boosting circuit, and the second converting unit 145 is a voltage dropping circuit. The first converting unit 144 is connected to the rf unit 12, and boosts the voltage of the battery unit 142 to meet the power requirement of the rf unit 12 for modulating the transmittable signal. The radio frequency unit 12 is supplied with electric energy through the booster circuit, so that the strength of signals transmitted by the V2X antenna 11 can be improved, a longer communication distance can be obtained, and a larger early warning range can be realized.

In some embodiments, as shown in fig. 6, the power supply unit 14 further includes an electricity display unit 146, and the electricity display unit 146 is connected with the battery management unit 141. The power unit 146 may be a breathing light, and may also be an electronic display, such as an LCD display. The power display unit 146 is used for displaying the remaining power of the battery unit 142, displaying the operating state of the power supply unit 14, and displaying the charging condition of the battery unit 142.

It should be noted that, unless otherwise specified, each unit of the tracker 100 that requires power is connected to the battery management unit 141, and the battery management unit 141 obtains the power of the battery unit 142.

In some embodiments, as shown in fig. 7, the tracker 100 includes a positioning unit 17, the positioning unit 17 is connected to the baseband unit 13, the positioning unit 17 is further connected to the power supply unit 14, the power supply unit 14 supplies power to the positioning unit 17, and the positioning unit 17 obtains positioning information of the user based on a satellite navigation positioning system such as GPS or beidou, the positioning information includes a current position of the user, and sends the positioning information to the baseband unit 13.

In the present application, the tracker 100 may also actively search for the roadside unit 200 and/or the on-board unit 300 near the current location of the user.

In some embodiments, as shown in fig. 8, the tracker 100 includes a moving unit 18, the moving unit 18 is connected to the baseband unit 13 and the power supply unit 14, and the power supply unit 14 supplies power to the moving unit 18. The motion unit 18 is configured to obtain motion information of the user, such as a motion direction and a motion speed, and send the motion information to the baseband unit 13.

The baseband unit 13 may perform a comprehensive calculation according to the positioning information, the motion information, and the second information to obtain more accurate and comprehensive security information, so as to improve the accuracy of the security prompt.

In some embodiments, as shown in fig. 9, the tracker 100 includes a security unit 19, the security unit 19 is connected to the baseband unit 13, the security unit 19 is further connected to a power supply unit 14, the power supply unit 14 supplies power to the security unit 19, and the security unit 19 may be a hardware encryption chip. The security unit 19 transmits decoding information for demodulating the second information and communication handshake information and encryption information to the baseband unit 13.

Because the tracker 100 provided by the application can acquire the current position and the motion information of the user through the positioning unit 17 and the motion unit 18, in order to protect the information security of the user, the vehicle networking system is accessed only when the security unit 19 confirms that the received communication handshake information includes the preset encryption signature, so that the mutual communication with the matched vehicle networking equipment is ensured, and the information security is improved.

In this application, the tracker 100 can also send user information to the car networking system, specifically, the security unit 19 sends encrypted information to the baseband unit 13, the baseband unit 13 encrypts and arranges the positioning information and the motion information of the user into a third signal in a standard format according to the encrypted information, and sends the third signal to the radio frequency unit 12, and the radio frequency unit 12 modulates the third signal to obtain a fourth signal, and sends the fourth signal to the car networking system through the V2X antenna unit. Therefore, the safety of the signals in the transmission process is ensured, and vehicles in the Internet of vehicles can be prompted to pay attention to avoiding pedestrians.

In some embodiments, as shown in fig. 10, the present application provides a tracker 100, the tracker 100 comprising: the device comprises a V2X antenna unit 11, a radio frequency unit 12, a baseband unit 13, a power supply unit 14, a prompting unit 15, a communication unit 16, a positioning unit 17, a movement unit 18 and a safety unit 19. The power supply unit 14 includes a battery management unit 141, a battery unit 142, a charging interface 143, a first conversion unit 144, and a second conversion unit 145. The battery unit 142 is connected to the battery management unit 141, the battery management unit 141 is connected to the baseband unit 13 and the prompt unit 15, and the battery unit 142 supplies power to the baseband unit 13 and the prompt unit 15 through the battery management unit 141. The first conversion unit 144 is connected to the battery management unit 141, the first conversion unit 144 is connected to the rf unit 12, and the battery unit 142 supplies power to the rf unit 12 after boosting the voltage through the first conversion unit 144. The second conversion unit 145 is connected to the battery management unit 141, the second conversion unit 145 is further connected to the communication unit 16, the positioning unit 17, the movement unit 18, and the safety unit 19, and the battery unit 142 steps down the voltage through the second conversion unit 145 to supply power to the communication unit 16, the positioning unit 17, the movement unit 18, and the safety unit 19.

In the present application, the transmitting antennas of the positioning unit 17 and the communication unit 16 may be the V2X antenna unit 11, or may be other independent antenna units.

In some embodiments, as shown in fig. 11, the tracker 100 includes a housing 101 and a circuit board 102, wherein the prompting unit 15 is disposed on the housing 101, the other respective circuit units are disposed on the circuit board 102, and the circuit board 102 is mounted inside the housing 101 as shown in fig. 10. The tracker 100 is small and portable.

The tracker of the present application includes at least: the device comprises a V2X antenna unit, a radio frequency unit, a baseband unit and a power supply unit; the radio frequency unit is connected with the V2X antenna unit; the baseband unit is connected with the radio frequency unit; the power supply unit is connected with the radio frequency unit and the baseband unit and used for supplying power to the radio frequency unit and the baseband unit; when the tracker enters a signal transmission range of the Internet of vehicles system, the V2X antenna unit acquires a first signal sent by the road side unit and/or the vehicle-mounted unit; the radio frequency unit demodulates the first signal to obtain a second signal and sends the second signal to the baseband unit; and the baseband unit obtains the road information according to the second signal and carries out safety prompt according to the road information. Therefore, road information can be provided for the user to help the user to actively avoid road risks, and the traffic accident rate is reduced.

It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, and functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof.

In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal characteristic electrical signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as is well known to those skilled in the art.

The preferred embodiments of the present application have been described above with reference to the accompanying drawings, and the scope of the claims of the present application is not limited thereby. Any modifications, equivalents and improvements which may occur to those skilled in the art without departing from the scope and spirit of the present application are intended to be within the scope of the claims of the present application.

Claims

1. A tracker, wherein the tracker is applied to a vehicle networking system, the tracker comprising:

a V2X antenna element;

the radio frequency unit is connected with the V2X antenna unit;

the baseband unit is connected with the radio frequency unit;

the power supply unit is connected with the radio frequency unit and the baseband unit and used for supplying power to the radio frequency unit and the baseband unit;

when the tracker enters a signal transmission range of the Internet of vehicles system, the V2X antenna unit acquires a first signal sent by the road side unit and/or the vehicle-mounted unit; the radio frequency unit demodulates the first signal to obtain a second signal and sends the second signal to the baseband unit; and the baseband unit obtains road information according to the second signal and carries out safety prompt according to the road information.

2. The tracker of claim 1, wherein said power supply unit comprises:

a battery management unit;

the battery unit is connected with the battery management unit, and the battery management unit is used for controlling the charging and discharging of the battery unit;

the charging interface is connected with the battery management unit and used for charging the battery unit;

the first end of the first conversion unit is connected with the battery management unit, the second end of the first conversion unit is connected with the radio frequency unit, and the battery management unit is also connected with the baseband unit and respectively supplies power to the radio frequency unit and the baseband unit.

3. The tracker of claim 2, wherein said tracker further comprises:

and the communication unit is connected with the baseband unit and the power supply unit, and the baseband unit sends the road information to the communication unit and sends the road information to a mobile terminal of a user.

4. The tracker of claim 3, wherein said communication unit comprises a Bluetooth unit and/or a WiFi unit.

5. The tracker of claim 4, wherein said power unit further comprises a second switching unit, said second switching unit being coupled to said battery management unit, said second switching unit being further coupled to said communication circuit, said second switching unit being configured to provide power to said communication circuit.

6. The tracker of claim 4, wherein said first conversion unit is a boost circuit and said second conversion unit is a buck circuit.

7. The tracker according to claim 1, further comprising a positioning unit, said positioning unit being connected to said baseband unit, said positioning unit being further connected to said power supply unit, said positioning unit being configured to obtain positioning information of a user and to send said positioning information to said baseband unit.

8. The tracker of claim 1, wherein said tracker further comprises a security unit, said security unit being coupled to said baseband unit, said security unit sending decoding information to said baseband unit, said decoding information being used to demodulate said second information.

9. The tracker of claim 1, further comprising a motion unit coupled to said baseband unit, said motion unit configured to obtain motion information of a user and send said motion information to said baseband unit.

10. The tracker of claim 1, wherein said tracker comprises:

the prompting unit is connected with the baseband unit, and the baseband unit controls the prompting unit to perform safety prompting; wherein the prompting unit includes at least one of a sound device and a vibration device.