KR20130083027A - Freight transport safety system and terminal thereof - Google Patents

Abstract

PURPOSE: A freight transportation safety system and a terminal thereof are provided to provide a freight transportation safety service by using wireless communication technology and low power three-axis acceleration sensor technology. CONSTITUTION: A freight transportation safety system includes a safety sensor node (100), a smart terminal (200) and a freight safety control server (300). The smart terminal analyzes safety sensor data collected in real-time through local area wireless communication from the safety sensor node and then sends freight transportation safety information to a driver as a warning signal. This is transmitted to the freight safety control server in real-time through wireless communication. The freight safety control server stores freight vehicle travelling history of the driver on the basis of the freight transportation safety information collected from the smart terminal in real-time. [Reference numerals] (100) Safety sensor node; (200) Smart terminal; (300) Freight safety control server; (AA) Wireless communication network

Description

FREIGHT TRANSPORT SAFETY SYSTEM AND TERMINAL THEREOF

The present invention relates to a cargo transportation safety system based on a smart terminal and a terminal thereof.

BACKGROUND ART Conventionally, as a system for safety of the operation of a freight vehicle, a vehicle safety system such as a digital vehicle operation recorder and a vehicle black box is mainstream.

The digital vehicle operation recorder records the driver's driving characteristics such as the speed of the vehicle, brake and accelerator pedal, the position information, and the driving time, and is carrying out the duty mounting for the purpose of prevention of the abrupt driving such as speeding, rapid acceleration and rapid deceleration.

A vehicle black box has recently been installed in a vehicle for the purpose of preventing conflicts in case of an accident by using driving image information, position information, and acceleration data of the vehicle.

However, such conventional vehicle systems have been developed for the purpose of safe driving and accident prevention of a vehicle, and thus it is difficult to provide a service specialized for transportation cargo.

Typical factors affecting cargo transportation safety include cargo, temperature, humidity, vibration and pressure. In most cases, the environment is maintained in accordance with the characteristics of the cargo.

For example, a freight vehicle that can be refrigerated or frozen can be used to transport freight of important freshness, and a specially designed dangerous goods transportation vehicle to carry flammable freight such as oil or gas .

Among them, vibrations are most influenced by external environmental influences such as road surface condition, and have a close influence on not only transportation safety of cargo but also safety of vehicle operation. For example, a cargo such as an electronic product, a glass-made cargo, or a moving object including the cargo which is susceptible to vibration is very vulnerable to vibration, and there is a risk that the car may be damaged or broken during transportation.

However, the above-described conventional vehicle systems are intended to solve the dispute caused by accident prevention or accident, and there is a problem that the system is not specialized in safety of cargo transportation.

In recent years, a shock absorber for ensuring the safety of a cargo, such as a non-vibration vehicle, may be installed. However, when a dispute arises in actual operation, there is a problem that objective data for defining a responsible site can not be provided.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and an object of the present invention is to provide a cargo transportation safety system that provides cargo transportation safety service using a smart terminal supporting wireless communication, a USN (Ubiquitous Sensor Network) wireless communication technology, And to provide the terminal.

According to another aspect of the present invention, there is provided a cargo transportation safety system for a cargo transportation system, the cargo transportation safety system compares three-axis acceleration data measured according to the operation of a freight vehicle with predetermined threshold values, A safety sensor node to detect; And a controller for collecting the safety sensor information from the safety sensor node through short-range wireless communication, analyzing the safety sensor information, and storing at least one of road surface condition information, driver's lane change information, rapid acceleration information, A smart terminal for alerting transportation safety information; And a cargo safety control server for receiving and storing at least one of the safety sensor information and the cargo transportation safety information from the smart terminal through wireless communication and searching for a safety route suitable for cargo transportation upon request of the smart terminal, .

The safety sensor node may further include a sensor module for sensing three axis acceleration data including left and right vibration (X axis), longitudinal vibration (Y axis), and vertical vibration (Z axis) according to the operation of the freight vehicle; A conversion module for converting the three-axis acceleration data in an analog form into a digital form; Axis acceleration data converted into the digital form is analyzed to calculate at least one of the sudden acceleration (Y axis), rapid acceleration (Y axis), and road surface impact (Z axis) A control module for detecting safety sensor data; A memory for storing programs and data for operation of the safety sensor node and storing data generated according to an operation of the safety sensor node; And a wireless communication module for transmitting the safety sensor data to the smart terminal using either Zigbee or Bluetooth.

When the vibration data in the left-right direction (X-axis) exceeds the set threshold value, the control module determines that the cargo transportation is unsafe due to the change of the class lane, and the vibration data in the front- It is judged that the cargo transportation is unsafe due to rapid acceleration or deceleration. If the vibration data in the up-down direction (Z-axis) exceeds the set threshold value, it can be judged that the road surface condition is not safe for cargo transportation.

The smart terminal may further include: a data collecting unit collecting the safety sensor information from the safety sensor node; A GPS (Global Positioning System) for measuring the position information of the freight vehicle; A controller for analyzing the safety sensor data to generate the cargo transportation safety information according to the road surface state information and at least one of the rapid change of the lane, rapid acceleration and deceleration; A display unit provided with a touch screen and displaying a route guidance according to a destination input and warning and displaying the cargo transportation safety information; And a wireless communication interface device of at least one of Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), Long Term Evolution (LTE), WiBrox and WiFi, A communication unit for transmitting at least one of the safety information and the location information to the cargo safety control server; And a safety route search unit for receiving a safe route from the cargo safety control server among the plurality of candidate routes according to the current position and the destination setting of the freight car to provide a safety route.

Further, the smart terminal further includes an external interface unit connected to the digital running recorder to receive cargo vehicle information, and the control unit further reflects the weight of the cargo vehicle information and the position information on the safety sensor data You can warn the driver of cargo transport safety information.

Meanwhile, the smart terminal for guiding safe cargo transportation according to another embodiment of the present invention includes a data collection unit for collecting three-axis acceleration data measured according to the operation of the freight vehicle through the short distance wireless communication from the safety sensor node; A GPS (Global Positioning System) for measuring the position information of the freight vehicle; A controller for analyzing the three-axis acceleration data and generating cargo transportation safety information including at least one of road surface state information, driver's lane change information, rapid acceleration information, and deceleration / deceleration information; A display unit provided with a touch screen and displaying a route guidance according to a destination input and warning and displaying the cargo transportation safety information; And a wireless communication interface device of at least one of Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), Long Term Evolution (LTE), WiBrox and WiFi, A communication unit for transmitting at least one of the safety information and the location information to the cargo safety control server; And a safety route search unit for receiving a safe route from the cargo safety control server among the plurality of candidate routes generated according to the current location and the destination setting of the freight car to provide a safety route.

According to the above-described configuration, according to the embodiment of the present invention, there is an effect that the safety sensor node installed in the freight vehicle and the smart terminal can communicate without using an additional wired facility by using USN-based wireless communication.

In addition, safety sensor data can be collected using the smart terminal and the driver can be notified of the safety of the cargo in real time, and the safety sensor data can be transmitted to the cargo safety control server in real time, And provide the customer with objective data on safe cargo transportation.

 In addition, by analyzing the three-axis acceleration data, it is possible to analyze the driver's driving characteristics and to change the vehicle driving information such as sudden braking and changing of the class lane to the transportation cargo view So that it is possible to collect and analyze more precisely.

1 shows a network structure of a smart terminal-based cargo transportation safety system according to an embodiment of the present invention.
2 is a block diagram schematically showing the configuration of a safety sensor node according to an embodiment of the present invention.
3 shows a graph for detecting a road surface impact according to an embodiment of the present invention.
4 shows a graph for detecting a sudden lane change according to an embodiment of the present invention.
5 shows a graph for detecting rapid acceleration or deceleration according to an embodiment of the present invention.
6 is a block diagram illustrating the development of a smart terminal according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. Also, the terms " part, "" module," and " module ", etc. in the specification mean a unit for processing at least one function or operation and may be implemented by hardware or software or a combination of hardware and software have.

Throughout the specification, "rapid acceleration / deceleration" means rapid acceleration or rapid deceleration.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cargo transportation safety system and method according to an embodiment of the present invention will now be described in detail with reference to the drawings.

1 shows a network structure of a smart terminal-based cargo transportation safety system according to an embodiment of the present invention.

Referring to FIG. 1, a cargo transportation safety system according to an embodiment of the present invention includes a safety sensor node 100, a smart terminal 200, and a cargo safety control server 300.

The safety sensor node 100 is attached to an axle or a cargo compartment of a freight vehicle and measures three axis acceleration generated during traveling of the freight vehicle and analyzes safety sensor node data to detect safety sensor data according to shaking motion of the freight vehicle .

The smart terminal 200 analyzes the safety sensor data collected in real time through the proximity wireless communication from the safety sensor node 100 to warn the driver of the cargo transportation safety information, To the control server (300).

The smart terminal 200 may be a smart phone, a tablet PC, a navigation system, a smart OBU (On Board Unit), and the like.

Although not shown in the figure, the smart terminal 200 may further reflect vehicle driving information when generating the cargo transportation safety information in connection with a digital driving recorder (not shown).

The cargo safety control server 300 is a central control system for managing the operation state of the logistics and the lorry, and stores the cargo operation history of the driver based on the cargo transportation safety information collected from the smart terminal 200 in real time. In addition, by analyzing the three-axis acceleration data for each route according to the operation of the truck can store the road surface and environmental information, and can search and provide a safe route suitable for cargo transport in the stored route analysis data at the request of the smart terminal.

For example, the cargo safety control server 300 collects the road surface state information for each route according to the operation of the vans, stores the information in the route analysis data, and selects, from the plurality of candidate routes searched according to the final destination designation, It is possible to support an application service that searches for and provides a safety path having a relatively good road surface condition.

2 is a block diagram schematically showing a configuration of a safety sensor node according to an embodiment of the present invention.

2, a safety sensor node 100 according to an exemplary embodiment of the present invention includes a sensor module 110, a conversion module 120, a control module 130, a memory 140, a wireless communication module 150 And a power module 160.

The sensor module 110 may be a three-axis acceleration sensor. The sensor module 110 senses the vibrations of the X-axis, the Y-axis, and the Z-axis generated according to the operation (operation) of the freight vehicle, .

The conversion module 120 converts the analog three-axis acceleration data transmitted from the sensor module 110 into a digital form capable of being processed by the control module 130.

The control module 130 may be configured as a low power macro control unit (MCU) such as an MSP 430 or an ATmega 128. The control module 130 may transmit the 3-axis acceleration data converted to the digital form to the smart terminal 200 ).

In particular, the control module 130 stores each threshold value for detecting the road surface impact (Z axis), the lane change (X axis), and the rapid acceleration / deceleration (Y axis) The three-axis acceleration data converted to the digital form is compared with the threshold values (Z, X, Y) described above, and safety sensor data exceeding the corresponding threshold value can be detected and transmitted to the smart terminal 200.

That is, the safety sensor data transmitted from the safety sensor node 100 to the smart terminal 200 may include three-axis acceleration data and warning event information according to the exceedance of each of the threshold values (Z, X, Y).

The memory 140 stores various programs and data for the operation of the safety sensor node 100 and may store data generated according to the operation (operation) of the safety sensor node 100.

3 to 5, a method of detecting safety sensor data for cargo transportation by analyzing three-axis acceleration data by the control module 130 according to an embodiment of the present invention will be described.

First, FIG. 3 shows a graph for detecting a road surface impact according to an embodiment of the present invention.

Referring to FIG. 3, the control module 130 analyzes the three-axis acceleration data measured by the sensor module 110 and determines whether the vibration data in the Z-axis direction (up and down) Road surface condition is not safe for cargo transportation.

That is, as shown in FIG. 3, the control module 130 detects a time and an excess amount exceeding the Z-axis threshold due to the road surface impact, and transmits the detection result to the wireless communication module 150 as transmission data.

Next, FIG. 4 shows a graph for detecting a sudden lane change according to an embodiment of the present invention.

4, the control module 130 analyzes the three-axis acceleration data measured by the sensor module 110, and if the vibration data in the X-axis (left and right) direction exceeds the preset threshold value, It is judged unsafe for transportation.

That is, as shown in FIG. 4, the control module 130 detects the time exceeding the X-axis threshold value due to the change of the lane change and the threshold excess amount, and transmits the detection result to the wireless communication module 150 as transmission data.

Next, FIG. 5 shows a graph for detecting rapid acceleration / deceleration in accordance with an embodiment of the present invention.

5, the control module 130 analyzes the three-axis acceleration data measured by the sensor module 110 and generates a rapid acceleration / deceleration when the vibration data in the Y-axis (forward and backward) direction exceeds the set threshold value It is considered unsafe for cargo transportation.

That is, as shown in FIG. 5, the control module 130 detects a time exceeding the Y-axis threshold value due to rapid acceleration / deceleration and a threshold excess amount, and transmits the detection result to the wireless communication module 150 as transmission data.

The wireless communication module 150 includes short-range wireless communication means such as Zigbee or Bluetooth.

The wireless communication module 150 transmits the safety sensor data of the cargo transportation including the three-axis acceleration data measured during the operation of the freight vehicle and the corresponding road surface state information, the lane change information, and the rapid acceleration / To the smart terminal (200).

The power module 160 receives the power generated when the battery of the freight vehicle or the freight vehicle is driven, and converts the power into an appropriate power for driving the safety sensor node 100 and supplies the power.

6 is a block diagram illustrating the development of a smart terminal according to an embodiment of the present invention.

6, the smart terminal 200 includes a data collecting unit 210, an external interface unit 220, a GPS 230, a controller 240, a display unit 250, A communication unit 260, and a safety path search unit 270.

In addition, since the smart terminal 200 may be a smart phone, a tablet PC, a navigation system, a smart OBU, etc., the smart terminal 200 may include a speaker, a battery, a power / data connection port, The detailed description is omitted.

The data collection unit 210 includes a short-range wireless communication module such as ZigBee and Bluetooth for connection to the safety sensor node 100, and collects the safety sensor data in real time.

The external interface unit 220 is connected to the digital running recorder to receive the cargo vehicle information such as the speed of the cargo vehicle, the brake of the driver, and the use of the accelerator pedal.

A GPS (Global Positioning System) 230 measures the position information and the time of the freight vehicle.

The control unit 240 controls the overall operation of the smart terminal 200 for safe cargo transportation.

The control unit 240 analyzes safety sensor data transmitted from the data collection unit 210, cargo vehicle information transmitted from the external interface unit 220, and position information of the cargo vehicle delivered from the GPS 230, Generate information, and provide the driver with warning of cargo safety.

At this time, the control unit 240 can basically warn the safety of the cargo transportation against the state information of the road surface and the rapid change of the lane of the driver, rapid acceleration, and rapid deceleration based on the safety sensor data. Further, the safety sensor data may further reflect the cargo vehicle operation information and the weight according to the position information of the cargo vehicle to warn the driver of the cargo transportation safety.

For example, the rapid acceleration and deceleration information based on the safety sensor data can warn the safety of the cargo transportation by reflecting the weight of the driver's operation of the accelerator pedal and the brake pedal (e.g., the amount by which the driver suddenly depresses the pedal and the speed) .

In addition, the control unit 240 can control the safety sensor data, the freight vehicle operation information and the position information generated according to the driver's cargo vehicle operation to be transmitted to the cargo safety control server 300 in real time via wireless communication.

In addition, the control unit 240 may store the information generated according to the cargo transportation of the driver in a memory (not shown) as transportation history over time.

The display unit 250 is provided with a display device such as a touch screen capable of inputting and outputting, and can visually and audibly express route guidance and cargo transportation safety warning according to destination input.

The communication unit 260 transmits and receives data to and from the cargo safety control server 300 using a wireless communication infrastructure network.

The communication unit 260 may be a communication unit such as a cellular communication (for example, a Code Division Multiple Access (CDMA), a Wideband CDMA (WCDMA) and a Long Term Evolution (LTE)), a WiBro / WiFi ) To the cargo safety control server 300 by using the safety sensor data, the freight vehicle operation information and the location information.

The safety route search unit 270 requests the cargo safety control server 300 to route the cargo to be safely transported among a plurality of candidate routes generated according to the current location and the destination setting of the freight car.

The safety path searching unit 270 may receive a safety route considering the road surface condition, road bending, and level of backlash from the cargo safety control server 300 to provide the driver with a safe route for cargo transportation.

For this purpose, the cargo safety control server 300 analyzes the safety information on the cargo transportation route such as the road surface condition, the curvature of the road, and the angle of the cargo on the basis of the safety sensor data, the cargo vehicle information and the location information, .

As described above, according to the embodiment of the present invention, USN-based short-range wireless communication is used between the safety sensor node 100 and the smart terminal 200, so that the present invention can be applied without additional wired facilities.

In addition, safety sensor data can be collected using the smart terminal and the driver can be alerted about the safety of the cargo in real time, and safety sensor data can be transmitted to the cargo safety control server in real time, And provide objective data on safe cargo transportation to customers.

 In addition, it analyzes the three-axis acceleration data in addition to the measurement of the safety of cargo transportation according to the road surface condition and the environment in connection with the digital running recorder, thereby analyzing the driver's driving characteristics and storing the cargo driving information such as sudden- It is possible to collect and analyze more precisely from the view point.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications are possible.

For example, in the embodiment of the present invention shown in FIG. 2, the control module 130 of the safety sensor node 100 compares the three-axis acceleration data with a preset threshold value, detects safety sensor data exceeding a threshold value, 200, but the present invention is not limited to this, and the smart terminal 200 may perform this function.

That is, the smart terminal 200 receives the three-axis acceleration data from the safety sensor node 100, and compares the three-axis acceleration data with the predetermined thresholds in the control unit 240 to obtain road state information, rapid lane change information, It is also possible to grasp the degree of occurrence of warning events of information.

The embodiments of the present invention are not limited to the above-described apparatuses and / or methods, but may be implemented through a program for realizing functions corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded And such an embodiment can be easily implemented by those skilled in the art from the description of the embodiments described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

100: Safety sensor node 110: Sensor module
120: conversion module 130: control module
140: memory 150: wireless communication module
160: power module 200: smart terminal
210: Data collecting unit 220: External interface unit
230: GPS 240:
250: display unit 260: communication unit
270: Safety path search unit 300: Cargo safety control server

Claims (6)

A safety sensor node which detects safety sensor information exceeding the threshold by comparing the 3-axis acceleration data measured according to the operation of the freight vehicle with a preset threshold;
And a controller for collecting the safety sensor information from the safety sensor node through short-range wireless communication, analyzing the safety sensor information, and storing at least one of road surface condition information, driver's lane change information, rapid acceleration information, A smart terminal for alerting transportation safety information; And
Receiving and storing at least one of the safety sensor information and cargo transport safety information through the wireless communication from the smart terminal, cargo safety control server for searching and providing a safe path suitable for cargo transport at the request of the smart terminal
Cargo transportation safety system comprising a. The method of claim 1,
The safety sensor node comprises:
A sensor module for sensing three-axis acceleration data including left and right vibration (X axis), front and rear vibration (Y axis), and vertical vibration (Z axis) according to the movement of the freight vehicle;
A conversion module for converting the 3-axis acceleration data in an analog form into a digital form;
Analyzing the three-axis acceleration data converted into a digital form according to at least one of the lane change (X axis), rapid acceleration (Y axis), sudden deceleration (Y axis) and road impact (Z axis) of the freight vehicle A control module for detecting safety sensor data;
A memory storing a program and data for operating the safety sensor node and storing data generated according to the operation of the safety sensor node; And
A wireless communication module that transmits the safety sensor data to the smart terminal using either Zigbee or Bluetooth
And a cargo transportation system. 3. The method of claim 2,
The control module includes:
If the vibration data in the left-right direction (X-axis) exceeds the set threshold value, it is determined that the cargo transportation is unsafe due to the sudden change of the lane,
If the vibration data in the forward and backward direction (Y axis) exceeds the set threshold value, it is judged that the cargo transportation is not safe due to rapid acceleration or deceleration,
And when the vibration data in the up-and-down direction (Z-axis) exceeds the set threshold value, it is determined that the road surface state is not safe for cargo transportation. The method of claim 1,
The smart terminal includes:
A data collecting unit collecting the safety sensor information from the safety sensor node;
A GPS (Global Positioning System) for measuring the position information of the freight vehicle;
A controller for analyzing the safety sensor data to generate the cargo transportation safety information according to the road surface state information and at least one of the rapid change of the lane, rapid acceleration and deceleration;
A display unit provided with a touch screen and displaying a route guidance according to a destination input and warning and displaying the cargo transportation safety information;
And a wireless communication interface device of at least one of Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), Long Term Evolution (LTE), WiBrox and WiFi, A communication unit for transmitting at least one of the safety information and the location information to the cargo safety control server; And
A safety route searching unit for receiving a safe route from the cargo safety control server among the plurality of candidate routes according to the current position and the destination setting of the freight vehicle,
Wherein the system comprises at least one of: 5. The method of claim 4,
The smart terminal further includes an external interface unit connected to the digital running recorder to receive the freight vehicle driving information,
Wherein the control unit further informs the driver of the cargo transportation safety information by reflecting the cargo vehicle operation information and the weight based on the position information to the safety sensor data. A data collector configured to collect three-axis acceleration data measured according to the operation of the freight vehicle from the safety sensor node through short-range wireless communication;
A GPS (Global Positioning System) for measuring the position information of the freight vehicle;
A controller configured to analyze the three-axis acceleration data and generate cargo transportation safety information including at least one of road surface state information, driver's lane change information, rapid acceleration information, and rapid deceleration information;
A display unit provided with a touch screen and displaying a route guidance according to a destination input and warning and displaying the cargo transportation safety information;
And a wireless communication interface device of at least one of Code Division Multiple Access (CDMA), Wideband CDMA (WCDMA), Long Term Evolution (LTE), WiBrox and WiFi, A communication unit for transmitting at least one of the safety information and the location information to the cargo safety control server; And
Safety path search unit for providing a safe path by receiving a safe path for cargo transportation from a plurality of candidate paths generated according to the current location and destination setting of the freight vehicle from the cargo safety control server
Smart terminal comprising a.

Images