KR102210021B1 - Vehicle management system using vehicle terminal device based on object internet of things - Google Patents

Abstract

Real-time transmission of vehicle information acquired from a sensor module that acquires vehicle information by mounting it on a vehicle based on Bluetooth Low Energy (BLE) short-range wireless communication technology and low power long-distance wireless communication technology (LPWA) And, it relates to an IoT-based vehicle terminal device and a vehicle management system using the same to manage the location and operation state of the vehicle based on the acquired vehicle information, and provides a plurality of sensors for directly acquiring vehicle information. Built-in, vehicle terminal device that directly acquires vehicle information and then transmits it through short-range communication or low-power long-distance communication, a mobile phone that transmits vehicle information transmitted through short-range communication from the vehicle terminal device to a remote vehicle operation management server, and Vehicle management system using IoT-based vehicle terminal device, including a vehicle management operation server that receives vehicle operation information through a mobile phone or vehicle terminal device, and analyzes and judges vehicle operation status based on the received information. Implement.

Description

Vehicle management system using vehicle terminal device based on object internet of things}

The present invention relates to a vehicle management system using an IoT-based vehicle terminal device. In particular, the vehicle information obtained from a sensor module that is mounted on a vehicle and acquires vehicle information is transmitted to a low-power Bluetooth (Bluetooth Low Energy) short-range wireless communication. Based on the technology and low power long-distance wireless communication technology (LPWA; Low Power Wide Area), real-time transmission, and based on the acquired vehicle information, a vehicle terminal device based on the Internet of Things to manage the vehicle's location and operation status. It relates to a vehicle management system.

General vehicle terminal devices used as vehicle management systems are usually composed of a method of transmitting data acquired from the vehicle diagnostic device (OBD II) to a mobile phone using short-range communication technology such as Bluetooth, and when data needs to be transmitted to a server. Is transmitted from the mobile phone back to the server. Some vehicle terminal devices do not use a short-range communication module, but a method of directly transmitting data to a server using a broadband communication module (such as WCDMA).

Techniques previously proposed for a vehicle terminal device are disclosed in <Patent Document 1> and <Patent Document 2> below.

The prior art disclosed in <Patent Document 1> transmits a vehicle information request signal to a storage means for storing a list of transmission phone numbers, an input means for setting a short-range wireless communication mode, a vehicle information providing device mounted on the vehicle, and Short-range wireless communication means for receiving the vehicle information from the information providing device, message generating means for generating a vehicle information message using vehicle information received from the short-range communication means, and a transmission list of vehicle information messages generated by the message generating means As the message transmission means and short-range wireless communication mode for transmission to the phone number above are set, vehicle information is obtained from the vehicle information providing device, and the vehicle information message generated using the obtained vehicle information is transmitted to the phone number on the transmission list. It includes a control means for controlling each component so as to. Through this configuration, as the short-range wireless communication mode is set, vehicle information is obtained from the vehicle information providing device mounted on the vehicle, and the vehicle information message generated using the obtained vehicle information is transmitted to a phone number on the transmission list, It provides a wireless communication terminal having a vehicle information transmission function acquired through short-range wireless communication and a method thereof to prevent various dangers that may occur when using public transportation (for example, a taxi) at night.

In addition, the prior art disclosed in <Patent Document 2> is a vehicle information collection terminal that is connected to an electronic controller of a vehicle to collect vehicle information, a GPS that acquires the vehicle's location information, a pose sensor that detects the vehicle's attitude, and the vehicle is applied. An impact sensor that detects a losing shock, a receiving module that receives vehicle information from a vehicle information collection terminal, an emergency call module that tries to make an emergency call to a related agency when a set event occurs, and a communication module that communicates with the outside through the surrounding wireless communication network. A multi-functional wireless terminal including, and a management server for managing the vehicle by analyzing vehicle information, location information, attitude information, and impact information transmitted by the communication module of the multi-functional wireless terminal. Through this configuration, various information about the vehicle is collected and analyzed from a remote location to monitor the vehicle, detect vehicle breakdowns or accidents, diagnose vehicle parts and guide maintenance accordingly, and an efficient and safe vehicle according to the analysis of driving habits. It provides advanced vehicle information management system using convergence technology and broadband wireless communication that provides comprehensive vehicle management services such as driving guidance.

Korean Patent Registration 10-0609581 (registered on July 28, 2006) (Wireless communication terminal having vehicle information transmission function acquired through short-range wireless communication and method thereof) Republic of Korea Patent Publication 10-2015-0146025 (published on December 31, 2015) (Advanced vehicle information management system using fusion technology and broadband wireless communication)

However, the general vehicle terminal device and the prior art as described above have a disadvantage of using a broadband communication network with high communication cost to implement an IoT service that transmits a small amount of data.

In addition, when data is transmitted by interlocking with a mobile phone or when data is directly transmitted to a server using a broadband communication module, there is a disadvantage in that the use of the mobile phone is limited during service use along with the burden of data communication costs.

In addition, as infrastructure of low-power long-distance communication technology supporting the Internet of Things (IoT) environment has been recently established, a small amount of data can be transmitted at low communication costs. Conventional technologies are communication technologies suitable for IoT services and terminals for IoT. There is a drawback of not being able to provide a device.

Accordingly, the present invention has been proposed in order to solve the problems occurring in the prior art as described above, and the vehicle information obtained from a sensor module that is mounted on a vehicle and obtains vehicle information is obtained from a low-power Bluetooth (Bluetooth Low Energy) short range. IoT-based vehicle terminal device capable of real-time transmission based on wireless communication technology and low power long-distance wireless communication technology (LPWA), and to manage vehicle location and operation status based on acquired vehicle information Its purpose is to provide a vehicle management system using

Another object of the present invention is to provide a hardware-based wireless update security environment by configuring a security module in which a hardware security chip is embedded in the vehicle terminal device in order to wirelessly update the software of the vehicle terminal device safely. It is to provide a vehicle management system using a terminal device.

In order to achieve the above object, the IoT-based vehicle terminal device according to the present invention is a vehicle terminal device in which a sensor is embedded and transmits driving information of a vehicle through short-range communication and low-power long-distance communication module,

An acceleration sensor for obtaining vehicle movement data; A pressure sensor for measuring the altitude of the vehicle; A location (GPS) sensor for obtaining location information of the vehicle; A short-range communication module for transmitting the data obtained from the acceleration sensor, the pressure sensor, and the position sensor to a mobile phone and receiving a control signal of the mobile phone; A low-power long-distance communication module for directly transmitting the data acquired from the acceleration sensor, the pressure sensor, and the position sensor to the vehicle operation management server; A central processing unit configured to receive and process the data acquired from the acceleration sensor, the pressure sensor, and the position sensor, and transmit the data to the short-range communication module and the low-power long-range communication module; A first power supply for supplying power using batteries; A second power supply unit for supplying power using the battery of the vehicle; An emergency button device for transmitting an emergency situation occurring during vehicle operation to the central processing unit and the short-range communication module; An update module for software update; It characterized in that it comprises a security module for preventing forgery and alteration of the file updated through the update module.

In the above, the short-range communication module uses a low-power Bluetooth module, transmits the data of the acceleration sensor to the mobile phone, transmits the signal of the mobile phone to the acceleration sensor, and transmits the data of the acceleration sensor to the central processing unit. It is characterized in that the transmission is made to the vehicle operation management server through a low-power long-distance communication module instead of the mobile phone, and the pressure sensor and the position sensor data are received through a central processing unit and transmitted to the mobile phone.

In addition, the short-distance communication module acquires vehicle information through the OBD II interface to obtain information on the vehicle's engine control unit, and transmits the acquired vehicle information to a mobile phone, or manages vehicle operation through a low-power long-distance communication module. It characterized in that the transmission to the central processing unit to be transmitted to the server.

In the above, the low-power long-distance communication module is characterized in that the data acquired from the position sensor is directly transmitted to the vehicle management operation server or output to the central processing unit.

In the above, the central processing unit analyzes the data received from the acceleration sensor, pressure sensor, and position sensor to determine the driving state of the vehicle, and controls the emergency button device to operate automatically when the driving state is determined to be a predefined dangerous state. Characterized in that.

In the above, the security module embeds a security hardware chip for wireless update of the software, compares the encryption code of the update file with the encryption code embedded in the security hardware chip, and updates the file only when they match. It is characterized in that to prevent.

In addition, the IoT-based vehicle terminal device according to the present invention is characterized in that it further comprises an OBD II interface for an interface with a vehicle diagnostic device (OBD II) that provides information on an engine control unit (ECU) of a vehicle.

In addition, the vehicle management system using the IoT-based vehicle terminal device according to the present invention includes a plurality of sensors for directly acquiring vehicle information, and after directly acquiring vehicle information, short-range communication or low-power long-distance communication is performed. A vehicle terminal device that transmits through; A mobile phone for transmitting vehicle information transmitted from the vehicle terminal device through short-range communication to a remote vehicle operation management server; And a vehicle management operation server for receiving vehicle operation information through the mobile phone or the vehicle terminal device, and analyzing and determining vehicle operation status based on the received information.

In the above, the vehicle terminal device includes an acceleration sensor for acquiring vehicle movement data; A pressure sensor for measuring the altitude of the vehicle; A location (GPS) sensor for obtaining location information of the vehicle; A short-range communication module for transmitting the data acquired from the acceleration sensor, the pressure sensor, and the position sensor to a mobile phone and receiving a control signal of the mobile phone; A low-power long-distance communication module for directly transmitting the data acquired from the acceleration sensor, the pressure sensor, and the position sensor to the vehicle operation management server; A central processing unit configured to receive and process the data acquired from the acceleration sensor, the pressure sensor, and the position sensor, and transmit the data to the short-range communication module and the low-power long-range communication module; A first power supply for supplying power using batteries; A second power supply unit for supplying power using the battery of the vehicle; An emergency button device for transmitting an emergency situation occurring during vehicle operation to the central processing unit and the short-range communication module; An update module for software update; A hardware security module for preventing forgery and alteration of files updated through the update module; It is characterized by including an OBD II interface for an interface with a vehicle diagnostic device (OBD II) that provides information on an engine control unit (ECU) of the vehicle.

According to the present invention, by configuring a terminal device including a short-range BLE wireless communication module and a low-power long-distance wireless communication module, it is used as a terminal device for IoT based on a small amount of data as well as supporting a conventional BLE wireless communication-based service. As it is possible, there is an advantage that can reduce data communication cost.

In addition, in the service using conventional BLE wireless communication and mobile phone, if the service is interrupted due to a problem with the mobile phone, it is possible to propagate the situation using low-power long-distance wireless communication, so that services such as emergency situation management can be improved. It works.

1 is an overall configuration diagram of an IoT-based vehicle terminal device and a vehicle management system using the same according to the present invention;
2 is a flowchart showing a process of managing a vehicle using an IoT-based vehicle terminal device in the present invention.

Hereinafter, an IoT-based vehicle terminal device and a vehicle management system using the same according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an IoT-based vehicle terminal device and a vehicle management system using the same according to a preferred embodiment of the present invention, largely, a vehicle terminal device 1000, a mobile phone 400, and a vehicle operation management server 510, 520 ).

Here, since each of the vehicle operation management servers 510 and 520 has the same configuration and functions in the same manner, only one vehicle operation management server 510 will be described below for convenience of description.

In addition, the vehicle terminal device 100 receives vehicle information, receives driving power, and directly receives vehicle information by interlocking with the vehicle diagnostic device (OBD II) 220 and vehicle battery 250 mounted on the vehicle. A plurality of sensors for acquisition are built in, and vehicle information is directly acquired and then transmitted through short-range communication or low-power long-distance communication.

The vehicle terminal device 100 includes a short-range communication module 110, a central processing unit 120, a low-power long-distance communication module 130, an acceleration sensor 140, a pressure sensor 150, a position sensor 160, and an OBDII interface. 170, a first power unit 180, a second power unit 190, an emergency button device 191, an update module 192, and a security module 193.

The acceleration sensor 140 serves to acquire movement data of the vehicle, the pressure sensor 150 serves to measure the altitude of the vehicle, and the position (GPS) sensor 160 is the position of the vehicle. It serves to obtain information.

The short-range communication module 110 transmits the data obtained from the acceleration sensor 140, the pressure sensor 150, and the position sensor 160 to the mobile phone 400 and receives a control signal of the mobile phone 400. It serves to transmit to the central processing unit 120. This short-range communication module 110 means a short-range wireless communication module.

In addition, the low-power long-distance communication module 130 serves to directly transmit the data acquired from the acceleration sensor 140, the pressure sensor 150, and the position sensor 160 to the vehicle operation management server 510. The low-power long-distance communication module 130 also refers to a low-power long-distance wireless communication module.

In addition, the central processing unit 120 receives and processes the data obtained from the acceleration sensor 140, the pressure sensor 150, and the position sensor 160, and the short-range communication module 110 and the low-power long-distance communication module It serves to control the transmission to (130).

The first power unit 180 serves to supply power using batteries, and the second power unit 190 serves to supply power using the vehicle battery 300.

In addition, the emergency button device 191 serves to transmit an emergency situation occurring during vehicle operation to the central processing unit 120 and the short-range communication module 110, and the update module 192 serves to update the software. In addition, the security module 193 serves as a hardware security for preventing forgery and alteration of the file updated through the update module 192.

In addition, the mobile phone 400 serves to transmit vehicle information transmitted from the vehicle terminal device 100 through short-range communication to the remote vehicle operation management servers 510 and 520, and the vehicle management operation server 510 ) Receives vehicle driving information through the mobile phone 400 or the vehicle terminal device 100, and analyzes and determines a vehicle driving state based on the received information.

Here, if the OBD II interface 170 and the second power supply unit 190 of the vehicle terminal device 100 are removed and the terminal device is configured, a terminal device usable for objects other than the vehicle can be implemented. The terminal device of the present invention can be applied to various objects, but it is assumed that it is a vehicle terminal device mounted on a vehicle for convenience of description.

The operation of the IoT-based vehicle terminal device and the vehicle management system using the same according to the present invention configured as described above will be described in detail as follows.

First, the first power supply unit 180 supplies power stored in the battery to the vehicle terminal device 100 as driving power. As another method, when the second power supply unit 190 is connected to the vehicle battery 300, it receives driving power from the vehicle battery 300 and charges the first power supply unit 180, or drives power to the vehicle terminal device 100. Supply.

When driving power is supplied to the vehicle terminal device 100, the central processing unit 120 performs an initialization operation, and acquires vehicle information according to information set by the mobile phone 400 or the vehicle operation management server 510, It serves to transmit it.

For example, the acceleration sensor 140 collects data for analyzing the motion of an object to which the vehicle terminal device 100 is attached, and transmits it to the short-range communication module 110 and the central processing unit 120. When the object is a vehicle, state analysis such as movement of the vehicle, sudden stop/acceleration, overturning of the vehicle body, parking state, and impact may be performed using the motion information of the object. It is also possible to use a gyro sensor or the like instead of the acceleration sensor.

Next, the pressure sensor 150 collects data for analysis on the altitude (height) at which the object to which the vehicle terminal device 100 is attached is located, and transmits it to the central processing unit 150.

In addition, the position sensor 160 collects position data for analyzing the position (coordinate) of the object to which the vehicle terminal device 100 is attached, and transmits it to the low-power long-distance communication module 130 and the central processing unit 120 do. Location information can be obtained through GPS. When the object is a vehicle, the location information obtained in this way is used to analyze the moving path of the vehicle and the parking position.

In addition to these sensors, it is possible to collect relevant information by embedding an air pollution measurement sensor that measures air pollution, a fine dust measurement sensor that measures fine dust, and a harmful gas measurement sensor that measures harmful vehicle gases.

In addition, the short-range communication module 110 is a Bluetooth low energy (BLE) wireless communication module, and can directly transmit the data of the acceleration sensor 140 to the mobile phone 200 through low-power Bluetooth short-range communication. It is also possible to receive the signal of 400 and transmit it to the acceleration sensor 140. In addition, the movement data acquired from the acceleration sensor 140 is transmitted to the central processing unit 120, and transmitted to the vehicle operation management server 510 through the low-power long-distance communication module 130 instead of the mobile phone 400. Do it. In addition, the collected data of the pressure sensor 150 and the position sensor (GPS) 160 are received through the central processing unit 120 and transmitted to the mobile phone 400 through short-range wireless communication. In addition, vehicle data provided by the OBD II 200, which is a vehicle diagnostic device, is acquired through the OBD II interface 170, and the acquired vehicle data is directly transmitted to the mobile phone 400, or the central processing unit ( 120) to be transmitted to the vehicle operation management server 510 through the low-power long-distance communication module 130.

In addition, the central processing unit 120 directly receives the measured data from the acceleration sensor 140, the pressure sensor 150, the position sensor 160, the short-range communication module 110 and the low-power long-distance communication module Control to transmit data by outputting to (130). It also plays a role of controlling each sensor. In addition, the central processing unit 120 receives each sensor data from the short-range communication module 110 and the low-power long-distance communication module 130 to process and analyze signals. It performs a predetermined function according to the analysis result of each sensor data. For example, by analyzing the data of the acceleration sensor 140, determining whether the vehicle is moving, analyzing the sudden stop/quick acceleration, etc., and managing the vehicle operation through the short-distance communication module 110 and the low-power long-distance communication module 130 It can be transmitted to the server 510.

The central processing unit 120 receives a control signal from the mobile phone 400 or the vehicle operation management server 510 through interworking with the short-range communication module 110 and the low-power long-distance communication module 130 to perform the corresponding operation. It is also possible to run.

Next, the low-power long-distance communication module 130 acquires data from the position sensor 160 and directly transmits it to the vehicle operation management server 510 or transmits it to the central processing unit 120. In addition, in connection with the central processing unit 120, the measurement data of the acceleration sensor 140, the pressure sensor 150, and the position sensor 160 are received and transmitted to the vehicle operation management server 510. Various communication modules can be used as a low-power long-distance communication module, and in the present invention, it is assumed that a "LoRa" communication module is used.

In addition, when a terminal device is attached to a vehicle, the OBD II interface 170 is used to support interworking with the OBD II 200, which is a diagnostic device for the vehicle, and the vehicle data acquired from the vehicle diagnostic device 200 It is transmitted to the short-range communication module 110 or the central processing unit 120.

In addition, the emergency button device 191 is a means for supporting emergency rescue of the driver, and includes a button, a microphone, a speaker, etc., and when the button is pressed, the vehicle is operated through the mobile phone 400 through the short-range communication module 110. Emergency information is transmitted to the management servers 510 and 520, or emergency information is transmitted to the vehicle operation management server 510 through the short-range communication module 110 or the low-power long-distance communication module 130 through the central processing unit 120 do. In this way, the emergency information transmitted to the vehicle operation management servers 510 and 520 is transmitted to an emergency rescue request signal to the connected control server, so that a follow-up action can be quickly taken. In addition, direct voice communication with the control server is also possible using a microphone and a speaker provided in the emergency button device 191.

Meanwhile, as another feature of the present invention, the update module 192 is a module for wirelessly updating software that drives the vehicle terminal device 100, and the vehicle operation management server 510 or the vehicle operation management server 520 It performs the wireless update function provided in conjunction with.

When performing a wireless update through the update module 192, the security module 193 verifies whether or not the downloaded download file is forged or altered during the software update process of the vehicle terminal device 100 to support secure wireless update. As a method of verifying whether a download file has been forged or altered, the encryption code of the download file and the encryption code of the security module are compared to determine whether the download file is forged or altered. In particular, it is preferable to fundamentally block the change of the encryption code by configuring the security module 193 with a hardware security chip.

2 is a flowchart showing a process of managing a vehicle using an IoT-based vehicle terminal device in the present invention.

The mobile phone 400 includes a system initialization step 310, an initial information management step 311, an initial information setting step 312, a setting information transmission step 313, a service information management step 320, a service data request step ( 321) and the service information display step 322.

The vehicle terminal device 100 includes a data sensing step 330, a sensor data processing step 331, a sensor data transmission step 332, a communication module setting step 333, a setting information storage step 314, an emergency call button operation. It is configurable including step 340, emergency call step 341, and emergency call information transmission step 342.

In addition, the vehicle operation management server 510 includes an emergency call confirmation step 343, an emergency call processing step 344, a sensor data reception step 350, a sensor data storage step 353, a sensor data analysis step 351, and a service. It is configurable to include an information transfer step (352).

The mobile phone 400 is a step of determining whether to initialize information necessary for vehicle operation management when a program (app) installed on the user's mobile phone is executed in the system initialization step 310. In case of initialization, the initial information management step Otherwise, the service information management step 320 is performed. Here, the initial information management step 311 manages functions such as input, correction, and deletion of initial information. In addition, the initial information setting step 312 performs functions such as input, correction, or deletion of initial information.

In addition, the setting information transmission step 313 is a step of transmitting the changed (input, modified, deleted) initial information to the vehicle terminal device 100, using BLE wireless communication of the mobile phone 400, and the vehicle terminal device A communication connection between the mobile phone 400 and the vehicle terminal device 100 is connected by using the unique identification ID of 100.

The service information management step 320 is to manage service information provided through the vehicle terminal device 100 and the vehicle operation management server 510, and collects data necessary for service information through the vehicle terminal device 100, and , Service information is received and managed from the vehicle operation management server 510.

The service data request step 321 is a step of requesting data necessary for service information management to the vehicle terminal device 100, and requests data according to a communication protocol established between the mobile phone 400 and the vehicle terminal device 100, and send.

In addition, the service information display step 322 is a step of displaying service information to a user, and may be implemented including a visual display and an acoustic display.

Next, the data sensing step 330 of the vehicle terminal device 100 is a step of collecting data from sensors included in the vehicle terminal device 100 and operating in order to collect vehicle information, including an acceleration sensor and a pressure sensor. , It is connected to the position sensor to collect data.

In addition, the sensor data processing step 331 processes the data collected from the sensors according to standards such as transmission period and transmission format, and the sensor data transmission step 332 communicates the data generated in the sensor data processing step 331 Transfer to the module.

The communication module selection step 333 is a step of selecting and setting a communication module for transmission in the sensor data transmission step 332, and one of the short-range communication module 110 and the low-power long-distance communication module 130 is set, It is set according to the data transmission destination designated in the service information management step 320.

In addition, the setting information storage step 314 is a step of storing the initial information set in the mobile phone 400 in the vehicle terminal device 100, the internal memory of the short-range communication module 110 or the internal memory of the central processing unit 120 Save it to.

In addition, the emergency call button operation step 340 is a step of detecting that the user presses the button of the emergency button device 191 of the vehicle terminal device 200, in which the vehicle driver manually requests an emergency call in an emergency. It can be used as a function, and when the button is pressed, the emergency call step 341 is performed. In addition, when it is determined that the vehicle is in an emergency situation using sensor data included in the vehicle terminal device 100 instead of a manual operation by the emergency call button, the emergency call is automatically performed.

In the emergency call step 341, when detecting that the button of the emergency button device 191 is pressed, the central processing unit 120 stops all operations of the vehicle terminal device 100 and generates an emergency call signal with the highest priority. And perform the emergency call process according to a predetermined procedure. Emergency call can be set in advance to repeat one or more times. In addition, the emergency call can be automatically called by sensor data as well as the operation of the emergency call button.

In addition, the emergency call information transmission step 342 transmits the emergency call information through the low-power long-distance communication module 130.

Next, the emergency call confirmation step 343 of the vehicle operation management server 510 is a process of receiving the emergency call signal transmitted by the low-power long-distance communication from the vehicle terminal device 100 and confirming the emergency call. The integrity of the vehicle, whether the vehicle is registered, and the information of the vehicle collected so far are checked to confirm that it is an emergency situation. If it is confirmed as an emergency situation, the emergency call processing step 344 proceeds.

In the emergency call processing step 344, a predefined emergency rescue organization is contacted to provide current situation information of the vehicle to initiate rescue, and a call is attempted with a driver of the vehicle.

In addition, the sensor data receiving step 350 receives sensor data transmitted through low-power long-distance communication. The sensor data storage step 353 is a step of storing the received sensor data, and the sensor data itself may be stored as an original, and may be divided into driving date, driving distance, driving location, driver information, and the like.

In addition, the sensor data analysis step 351 is a step of analyzing driving information of a specific vehicle based on the stored data, and analyzing information related to vehicle operation and driver safety.

Finally, the service information transmission step 352 is a step of analyzing vehicle operation information and transmitting the information as a service to the user's mobile phone 200.

Meanwhile, another configuration of the vehicle management system may be implemented by adding a separate server, such as the vehicle operation management server 520 of FIG. 1. As an example of this configuration, the vehicle operation management server 510 of FIG. 1 may be a server of a communication company, and the vehicle operation management server 520 may be a server of a service provider.

The present invention constitutes a terminal device including a short-range BLE wireless communication module and a low-power long-distance wireless communication module, thereby not only supporting a conventional BLE wireless communication-based service, but also using a terminal device for the Internet of Things based on a small amount of data. It is possible to reduce the data communication cost. In addition, in the case of a service interruption due to a problem of a mobile phone in a service using a conventional BLE wireless communication and a mobile phone, a situation can be propagated using a low-power long-distance wireless communication, thereby improving services such as emergency situation management.

Although the invention made by the present inventor has been described in detail according to the above embodiment, the present invention is not limited to the above embodiment, and it is common knowledge in the art that various changes can be made without departing from the gist of the invention. It is self-evident to those who have

100: vehicle terminal device 110: short-range communication module
120: central processing unit 130: low power long distance communication module
140: acceleration sensor 150: pressure sensor
160: position sensor 170: OBDⅡ interface
180: first power supply 190: second power supply
191: emergency button device 192: update module
193: security module 200: vehicle diagnosis device (OBDⅡ)
300: vehicle battery 400: mobile phone
510, 520: vehicle operation management server

Claims (9)

delete delete delete delete delete delete delete As a system that manages a vehicle using an IoT-based vehicle terminal device,
A vehicle terminal device that incorporates a plurality of sensors for directly acquiring vehicle information, directly acquires vehicle information, and transmits the vehicle information through short-range communication or low-power long-distance communication;
A mobile phone for transmitting vehicle information transmitted from the vehicle terminal device through short-range communication to a remote vehicle operation management server; And
A vehicle management operation server for receiving vehicle operation information through the mobile phone or the vehicle terminal device, and analyzing and determining a vehicle operation state based on the received information,
The vehicle terminal device includes: a short-range communication module for transmitting data acquired from a vehicle to a mobile phone and receiving a control signal from the mobile phone; A low-power long-distance communication module for directly transmitting the acquired data to a vehicle operation management server; Equipped with a security module to prevent forgery and alteration of the updated file
The short-distance communication module acquires vehicle information through an OBD II interface to obtain information on the vehicle's engine control unit, and attempts to transmit the obtained vehicle information to a mobile phone, thereby providing a low-power long-distance communication module when a mobile phone transmission fails. The vehicle information is transmitted to the central processing unit to be directly transmitted to the vehicle operation management server through
The security module is a vehicle management system using an Internet of Things-based vehicle terminal device, characterized in that the security module embeds a hardware security chip and provides a security environment for wireless updates based on hardware to fundamentally block a change of an encryption code.
The vehicle terminal apparatus of claim 8, further comprising: an acceleration sensor for acquiring vehicle movement data; A pressure sensor for measuring the altitude of the vehicle; A location (GPS) sensor for obtaining location information of the vehicle; A central processing unit configured to receive and process the data acquired from the acceleration sensor, the pressure sensor, and the position sensor, and transmit the data to the short-range communication module and the low-power long-range communication module; A first power supply for supplying power using batteries; A second power supply unit for supplying power using the battery of the vehicle; An emergency button device for transmitting an emergency situation occurring during vehicle operation to the central processing unit and the short-range communication module; An update module for software update; A vehicle management system using an Internet of Things-based vehicle terminal device, comprising: an OBD II interface for an interface with a vehicle diagnostic device (OBD II) that provides vehicle engine control unit (ECU) information.

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