KR101614483B1 - Safety Care Service System for Children School Bus - Google Patents

Safety Care Service System for Children School Bus Download PDF

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Publication number
KR101614483B1
KR101614483B1 KR1020150070407A KR20150070407A KR101614483B1 KR 101614483 B1 KR101614483 B1 KR 101614483B1 KR 1020150070407 A KR1020150070407 A KR 1020150070407A KR 20150070407 A KR20150070407 A KR 20150070407A KR 101614483 B1 KR101614483 B1 KR 101614483B1
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KR
South Korea
Prior art keywords
child
vehicle
information
beacon
terminal
Prior art date
Application number
KR1020150070407A
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Korean (ko)
Inventor
김동필
강윤규
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주식회사 참좋은넷
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Priority to KR1020150070407A priority Critical patent/KR101614483B1/en
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Publication of KR101614483B1 publication Critical patent/KR101614483B1/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0266—System arrangements wherein the object is to detect the exact distance between parent and child or surveyor and item
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0263—System arrangements wherein the object is to detect the direction in which child or item is located
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
    • G08B21/0269—System arrangements wherein the object is to detect the exact location of child or item using a navigation satellite system, e.g. GPS
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems

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  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The present invention relates to a safety care service system for a children school bus that detects a blind spot outside the vehicle and, in a case where a child getting on or off is present around of the vehicle, notifies a driver of the presence so that an accident on the child from the school bus can be prevented. The safety care service system for a children school bus according to the present invention includes: a beacon terminal that transmits a beacon signal covering a set region in a state where the beacon terminal is worn by a child; a beacon receiver disposed outside the vehicle for children, receiving ID information and RSSI information of the beacon terminal which are divided in a plurality of regions including first and second regions and transmitting the received information to a control unit; an alarm device that, in a case where the child is present within a danger region from the vehicle, notifies a driver of the presence; and the control unit that determines a distance between the child and the vehicle by analyzing the information transmitted from the beacon receiver and, in a case where the child is present within the danger region from the vehicle, operates the alarm device.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety care service system for children,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety system for a vehicle, and more particularly, to a safety system for a vehicle, which detects a blind spot on the outside of the vehicle and informs the driver when a child is getting in and out of the vehicle, And more particularly to a vehicle safety care service system.

In general, educational facilities such as kindergartens, childcare facilities, schools, and academies are used as transportation means for moving children to designated destinations after traveling on predetermined courses while traveling to a destination. Various types of transportation vehicles such as a van or bus It is operating. The term 'children's school bus' refers to a vehicle that is notified to the school under the Road Traffic Act as a vehicle used for school attendance at a facility for which such a child is intended to be trained. There are two types of buses for children: the kindergartens under the Early Childhood Education Act, the elementary and special schools under the Elementary and Secondary Education Act, the daycare facilities under the Infant Care Act, the establishment and use of schools and sports facilities established by the Act on the Establishment, Operation and Extra- And vehicles used for children's schooling and the like in sports facilities established by the law.

Children's school buses are protected by special protection laws as special protection is required for the vehicles on board. That is, when a child's school bus stops on a road and a child turns on and off, the driver of the vehicle passing by the school will stop temporarily to check for safety and then go to sleep. At the time, all cars are prevented from overtaking. In order to reduce the incidence of accidents involving children, it is stipulated in the Enforcement Regulations of the Infant and Child Care Act that children who are able to protect infants and toddlers, such as day care teachers, should be accompanied by school buses.

Despite these efforts, however, bus accidents continue to occur every year. According to the Road Traffic Authority, it is known that the main cause of traffic accidents in children's school bus traffic is a child driver's bus driver or a driver who runs close to a child's school bus. There is a constant occurrence of accidents caused by the departure of the vehicle without being confirmed.

Recently, in order to prevent such frequent school bus safety accidents, the safety standards for children's school buses have been significantly strengthened in the regulations concerning the school commuting bus (effective from January 1, 2015). However, These regulations are not a practical alternative. One of the causes of the bus driver's behavior is that the height of the vehicle is so high that children around the vehicle are not easily seen. As a result, a blind spot is generated at many positions with respect to a child staying in the vicinity of the vehicle, and the driver is incapable of confirming the child close to the vehicle in such a blind spot, so that an accident is caused by starting the vehicle.

As described above, in the safety system for children's school vehicles in various ways for protecting a child using a school bus according to the related law, for example, in Korean Patent No. 10-1478053 (Prior Art 1) It is equipped with a distance detection sensor and an infrared camera to display the position and information of the child who has got off the vehicle to the driver, thus providing a 'safety system for children's school vehicles' in which the driver easily secures the safety distance around the driver. The 'safety system for children's school automobiles' of the preceding document 1 can confirm the existence of a child outside the vehicle by the driver inside the vehicle, but shows a limit to precisely check the position of the child. That is, the distance detection sensor detects only the straight line distance between the child and the vehicle, and the driver must know the position of the child by the information of the image and the distance detection sensor by the infrared camera. Therefore, An error may occur. In addition, the 'safety system for children's school automobiles' of the prior art document 1 has a disadvantage in that it can not specify a child who is getting on and off, thereby failing to provide various school information such as whether a child is getting on or off.

Korean Patent No. 10-1480299 (prior art document 2) provides a vehicle safety accident prevention system by interlocking smart watt. In the prior art document 2, the position of a child is grasped by interlocking the smartwatch and the position sensing device, and more particularly, the effect of confirming the boarding and departure of the vehicle more accurately by using the GPS information and the pedometer information. However, the prior art document 1 has a disadvantage in that each user must have an expensive smart watch, and it has a disadvantage in that it can not appropriately provide various school attendance information to the caregiver depending on the situation.

Korean Patent No. 10-1478053 (Prior Art 1) Korean Patent No. 10-1480299 (Prior Art 2)

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a child car, And to provide a safe care service system for children's school vehicles that prevents child safety accidents caused by children.

It is another object of the present invention to provide a safe care service system for children's school attending to enable stable and precise operation by accurately grasping the position of a child around the vehicle.

In addition, by providing a variety of various information such as location information and movement information for each child using the schooling vehicle of the present invention to the caregiver, it is possible to provide a safe care service for a child's school vehicle, System.

According to another aspect of the present invention, there is provided a safe care service system for a childcare vehicle of the present invention, comprising: a beacon terminal for transmitting a beacon signal covering an area set by a child; A beacon receiver for receiving the beacon terminal ID information and RSSI information by dividing the beacon terminal into a plurality of areas including a first area and a second area and transmitting the received information to the control part, ; An alarm device for informing the driver when the child is within the danger zone from the vehicle; And a control unit for analyzing information transmitted from the beacon receiver to determine a distance between the child and the vehicle, and driving the warning device when the child is within the danger zone from the vehicle.

Here, the beacon terminal may transmit a beacon signal including residual power information, and the controller may display residual power information of the beacon terminal through the alarm device.

In addition, the safety care service system for a childcare vehicle of the present invention comprises: a GPS module for determining a position of a vehicle; A boarding detection sensor for detecting whether a child is getting on or off; And a communication module for transmitting the location information of the vehicle and the child boarding information to the outside, wherein the control unit transmits the commuting information including the location information of the vehicle and the child boarding information to the external operation server through the communication module .

The safety care service system for a childcare vehicle of the present invention may further include a guardian terminal capable of performing wireless communication with the operation server and providing childcare information transmitted from the operation server.

According to the present invention configured as described above, since the beacon signal (beacon terminal and beacon receiver) is used to detect the position of the child around the school vehicle, the position of the child can be accurately grasped by a simple system, It is possible to guarantee the safety of children when getting on and off a school.

In addition, the present invention grasps a child's location using a beacon signal, grasps the route of the vehicle using the GPS signal, and transmits the travel route to the guardian in real time, so that the guardian can confirm the school attendance including the boarding / .

Particularly, in the present invention, a multi-fence structure is formed between a beacon terminal and a receiver to set a position of a child so as to grasp the position of a child more accurately.

Further, in the present invention, the server extracts the power information of the beacon terminal and is set to correspond to the beacon terminal in advance, thereby preventing omission of position determination due to power-off of the beacon terminal and an accident caused thereby.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram schematically showing a configuration of a safety care service system for a childcare vehicle according to an embodiment of the present invention;
FIG. 2 is a block diagram showing a vehicle driving system, which is a main part of FIG. 1;
FIG. 3 is a view illustrating a state of implementation of a vehicle driving system according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a positioning system using a beacon signal of a multi-fence structure according to an embodiment of the present invention;
5 is a flowchart showing a driving process of a child attending vehicle according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram schematically showing a configuration of a safety care service system for a childcare vehicle according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a vehicle driving system, which is a main part of FIG.

First, as shown in FIG. 1, the safety care service system for a childcare vehicle of the present invention comprises a vehicle driving system 100 installed in a vehicle for traveling to children, And a guardian terminal 300 for receiving and confirming the commute information of the child from the operation server 200. [

The vehicle driving system 100 is installed in a child commuting vehicle to check whether or not a child is getting on and off, and provides information on the getting-off and landing information and the position of the vehicle. After confirming whether the child has fallen to a safe distance from the vehicle, To be controlled. 2, the vehicle driving system 100 includes a beacon terminal 110 for transmitting a beacon signal, a beacon receiver 120 for receiving a signal from the beacon terminal 110, An alarm device 150 for informing the driver when the child is in the vicinity of the vehicle, a GPS module 160 for detecting the position of the vehicle, communication with an external operation server 200, A controller 170 for determining whether the child is in a position to start or stop the vehicle according to the detection of the beacon signal, 140).

Specifically, the beacon terminal 110 generates a beacon signal in a predetermined range in a state of being held by a child to confirm the position of the child. The beacon terminal 110 is manufactured in a wearable form such as a necklace or a wrist band so that the beacon terminal 110 can be easily carried by a child. Each beacon terminal 110 has a plurality of children, and each terminal transmits a signal including a beacon ID of the terminal to a predetermined area, and functions as a transmitter in a beacon system. The beacon terminal 110 for this purpose includes a synchronization unit for time synchronization with the Bluetooth communication unit.

Meanwhile, the wearable beacon terminal 110 worn by a child is driven by an internal charging power source. Therefore, the beacon terminal 110 can not transmit the signal to the outside when the power is turned off, and the beacon terminal 110 can not grasp the position of the child holding the terminal whose power has been lost in the vehicle driving system, Accident may occur. In order to prevent this, the beacon terminal 110 of the present invention is configured to transmit the residual power information of the terminal together with the ID information of the terminal. That is, the beacon terminal 110 is configured to allocate a part of the transmitted signal packet as data bits for the residual power information of the beacon terminal and transmit the data bit. For example, when 3 bits are allocated to data packets for a residual power source information for a signal packet having a multi-bit (or byte) structure, the residual power of the terminal is 10% or less (000), 10-20% (10), 30 to 40% (011), 40 to 50% (100), 50 to 60% (101), 60 to 70% So that the control unit 140 can grasp the residual power of the terminal. Generally, the residual power source may be displayed on the terminal itself. However, since the beacon terminal 110 of the present invention is worn by a child, it is difficult for the child to check the residual power in real time and take measures, and in a state where the driver, The power source may be extinguished. Accordingly, it is possible to take immediate measures by transmitting the residual power information in the beacon signal and allowing the driver or the driver to confirm the transmitted information through the alarm device 150 in real time.

The beacon receiver 120 is a means for receiving a signal transmitted from the beacon terminal 100 and transmitting the signal to the control unit 140 of the vehicle operation system. A plurality of beacon receivers 120 are installed at predetermined positions outside the vehicle, and receive signals transmitted from a beacon terminal 110 of a child who has been waiting for a ride or a child who has got off the bus. The beacon receiver 120 receives the signal transmitted from the beacon terminal 110 and transmits the beacon terminal ID information, the residual power information and the received signal strength indication (RSSI) to the controller 140. Herein, signal transmission between the beacon terminal 110 and the beacon receiver 120 is performed by a low-power BLE (Bluetooth Low Energy) method, and signal transmission between the beacon receiver 120 and the controller 140 is performed using a wired or wireless system ≪ / RTI > Particularly, in the present invention, a multi-fence is set according to the distance to receive a signal, and a detailed description of multi-fence setting will be described later.

The getting-on / off sensor 130 is a means for confirming whether or not the child is getting on or off. The beacon sensor is configured to detect a boarding / departure according to a beacon signal transmitted from the beacon terminal. The boarding information detected by the boarding detection sensor 130 is transmitted to the control unit 140. The control unit 140 transmits the boarding information to the operation server 200 together with the position information of the vehicle, It is transmitted again to the guardian terminal so that the guardian can check the position of the vehicle and whether or not the child is getting on and off.

The alarm device 150 may include a warning lamp for informing the driver or the lead person when the child is in a position close to the vehicle and display means for indicating the position of the child. The warning light constituting the alarm device 150 is turned on when the child who has got off the commuting vehicle does not fall to a sufficiently safe distance from the vehicle, and the driver recognizes this and does not start the vehicle. The position of the child is judged by a signal of the beacon terminal 110 received at the beacon receiver 120. When the child is away from the vehicle to a sufficiently safe distance, the warning light is not turned on and the driver starts the vehicle. In addition, the display unit constituting the alarm device 150 displays the residual power information of the beacon terminal so that the driver or the lead person can replace the power source device before the power of the beacon terminal is extinguished.

The GPS module 160 is installed in the vehicle to confirm the position of the vehicle. The position information of the vehicle received by the GPS module is transmitted to the control unit 140, and the control unit 140 transmits the position information of the vehicle to the operation server 200 together with the child boarding information.

The communication module 170 is configured to transmit child boarding information and vehicle location information to an external operation server 200, and wireless communication technology such as 3G or 4G (LTE) is used.

The control unit 140 controls the overall operation of the vehicle driving system. The control unit 140 analyzes the information provided by the beacon receiver 120 to determine the position of the child and the residual power of the beacon terminal, and controls the alarm device do. In addition, the controller 140 determines whether or not the child is riding or getting off according to the information provided by the getting-on / off sensor, transmits the position information provided by the GPS module and the boarding information of the child to the operation server through the communication module 170 do. At this time, the controller 140 determines the position and the landing information of the child separately for the specific child according to the ID information of each beacon terminal 110.

The operation server 200 transmits the vehicle driving information and child commuting information transmitted from the vehicle driving system 100 to the guardian terminal 300 so as to determine whether the guardian has a current position of the vehicle, And whether or not the driver has gotten on and off. The operating server 200 is connected to the vehicle driving system 100 and the guardian terminal 300 through various wireless communication methods such as 3G or 4G (LTE).

The parent terminal 300 is a means for confirming the child's commute information provided by the operation server 200 and is composed of various types of terminals equipped with a wireless communication and a display function, have.

FIG. 3 is a view showing an implementation of a vehicle driving system according to an embodiment of the present invention, and FIG. 4 is a diagram illustrating a positioning system using a multi-fence beacon signal according to an embodiment of the present invention.

3, a vehicle operation system according to an embodiment of the present invention includes a plurality of beacon receivers 120 installed outside a school vehicle, and each child using the vehicle carries a beacon terminal 110 . The beacon receiver 120 receives a signal transmitted from the beacon terminal 110 through the wireless communication between the beacon terminal 110 and the beacon receiver 120. The beacon receiver 120 receives the signal transmitted from the beacon terminal 110, And transmits the ID information, the residual power information, and the signal strength information of the beacon terminal 110 to the controller 140. The control unit 140 analyzes the signal provided from the beacon receiver 120 to determine whether the child is located around the vehicle, whether the beacon terminal is powered by the child, and transmits the beacon signal to the driver through the alarm device 150 Will be announced. At this time, the safety distance between the vehicle and the child is set to 3 m, and when the child is located in the dangerous area A within 3 m from the vehicle, it is notified to the driver through the warning light.

In addition, the beacon receiver 120 of the present invention is configured to receive a signal transmitted from the beacon terminal 110 in a plurality of sections, and transmit the result to the controller 140. That is, when the beacon terminal 110 transmits a signal in a range of approximately 5 m radius, as shown in FIG. 4, the beacon receiver 120 transmits a signal in a range of 5 m (a3, b3) Can be set to receive the signal in three stages in the range (a1, b1).

At this time, the beacon receiver 120 transmits the ID information about the received beacon signal and the RSSI information classified into Far, Near, and Immediate to the server. The beacon terminal 110 divides the signals transmitted from the beacon terminal 110 into multiple areas and receives the signals. The reception area of the signals has a multi-fence structure. The signal reception system of the multi- Can be grasped more accurately.

4, when the position of a child is detected using a signal received from two beacon receivers 120, a and b, each receiver 120 receives a1 / a2 / a3 and b1 / and a triple fence structure such as b2 / b3. If we look only at the areas where the fences overlap in these receivers, they are represented by eight areas such as a1b3, a1b2, a2b1, a3b1, a2b3, a2b2, a3b2 and a3b3. In the beacon signal receiving system of the triple fence structure, the received signal overlap region of the beacon receiver 120 is further subdivided, thereby improving the accuracy of positioning the child using the signal overlap region. The reception fence range of the beacon receiver 120 can be set in advance, and the maximum range a3, b3 is the transmission range of the beacon terminal.

5 is a flowchart showing a driving process of a child attending vehicle according to an embodiment of the present invention.

As shown in the figure, when the child boarding vehicle stops at a specific position (stop), the door is opened for getting off and the child is taken off (S11). At this time, the getting-on / off sensor senses the getting off of the child and transmits the getting off information of the child to the control unit (S12, S13). When the child gets off the beacon receiver, the beacon receiver receives a signal from the beacon terminal possessed by the child and transmits the position information of the child to the control unit (S14). The control unit analyzes the transmitted information to determine the distance between the vehicle and the child, (For example, when the distance between the vehicle and the child is within 3 m), the alarm device is operated (S15, S16). The control unit determines whether or not the child has gotten off the bus and informs the driver that the door is closed (S17, S18). When the bus is not completed, the control unit repeatedly . The beacon ID of the child to be unloaded at a specific stopping point is stored in advance and can be determined using the beacon ID.

Even if the door is closed due to the completion of the child's departure, the beacon receiver continuously checks the external beacon signal and notifies the driver that the vehicle is ready for departure when the child is not located within 3 m (S20, S21). However, if there is a child outside the vehicle, the alarm is maintained so that the driver or the lead person can directly check the surroundings of the vehicle (S22, S23).

By locating the child unloaded from the vehicle in this manner, a safety accident caused by the school bus can be prevented by allowing the vehicle to depart when the child is far from the vehicle.

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.

100: Vehicle operation system
110: Beacon terminal 120: Beacon receiver
130: getting-on / off sensor 140:
150: alarm device 160: GPS module
170: Communication module
200: Operating server
300: Parental terminal

Claims (4)

A beacon terminal for transmitting a beacon signal covering a set area when the child wears the beacon;
The beacon terminal is divided into a plurality of areas including a first area and a second area for receiving ID information, residual power information and RSSI information of the beacon terminal, and transmits the received information to the control part First and second beacon receivers;
An alarm device for informing the driver when the child is in the danger zone from the vehicle; And
The information transmitted from the first and second beacon receivers is analyzed to determine the distance between the child and the vehicle so as to drive the alarm device when the child is within the danger zone from the vehicle, And a control unit for displaying,
Wherein the control unit is configured to determine a position of a child by analyzing overlapping areas of RSSI information transmitted in a plurality of areas in the first and second beacon receivers. delete The method according to claim 1,
A GPS module for determining the position of the vehicle;
A boarding detection sensor for detecting whether a child is getting on or off; And
And a communication module for transmitting the location information of the vehicle and the child boarding information to the outside,
Wherein the control unit is configured to transmit the commute information including the location information of the vehicle and the child boarding information to the external operation server through the communication module. The method of claim 3,
And a guardian terminal capable of performing wireless communication with the operation server and providing information on child care information transmitted from the operation server.
KR1020150070407A 2015-05-20 2015-05-20 Safety Care Service System for Children School Bus KR101614483B1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101684836B1 (en) * 2016-09-21 2016-12-08 주식회사 유비스마트 Safety management system of car for educational institute using beacon on the base of bluetooth protocol
KR101730823B1 (en) * 2016-08-19 2017-04-27 주식회사 성진하이텍 Apparatus for checking remainer in vehicle
KR101936954B1 (en) 2018-08-22 2019-01-11 주식회사 시로코 School bus positioning and commute safety management system comprising sleeping child check function
KR20190004602A (en) 2017-07-04 2019-01-14 한국정보공학 주식회사 System for preventing safety-accident and method for controlling the same
CN110231568A (en) * 2018-03-06 2019-09-13 光阳工业股份有限公司 The method for tracing and electric carrier system of stolen battery
KR20200017954A (en) * 2018-08-10 2020-02-19 정기홍 Method and system for relief service of school buses
KR20200068090A (en) 2018-11-28 2020-06-15 강창수 Integrated Safety Management System for Children's School Vehicles Based on IoT
KR20200073198A (en) * 2020-06-17 2020-06-23 정기홍 Method for relief service of school buses
KR102128191B1 (en) * 2019-02-14 2020-06-29 정종현 alarm service device based on short range wireless communication
KR20200132437A (en) * 2019-05-17 2020-11-25 (주) 포에버정보 IoT-based real-time traffic information and child safety information service system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101730823B1 (en) * 2016-08-19 2017-04-27 주식회사 성진하이텍 Apparatus for checking remainer in vehicle
KR101684836B1 (en) * 2016-09-21 2016-12-08 주식회사 유비스마트 Safety management system of car for educational institute using beacon on the base of bluetooth protocol
KR20190004602A (en) 2017-07-04 2019-01-14 한국정보공학 주식회사 System for preventing safety-accident and method for controlling the same
CN110231568A (en) * 2018-03-06 2019-09-13 光阳工业股份有限公司 The method for tracing and electric carrier system of stolen battery
KR102172079B1 (en) * 2018-08-10 2020-10-30 정기홍 System for relief service of school buses
KR20200017954A (en) * 2018-08-10 2020-02-19 정기홍 Method and system for relief service of school buses
KR101936954B1 (en) 2018-08-22 2019-01-11 주식회사 시로코 School bus positioning and commute safety management system comprising sleeping child check function
KR20200068090A (en) 2018-11-28 2020-06-15 강창수 Integrated Safety Management System for Children's School Vehicles Based on IoT
KR102128191B1 (en) * 2019-02-14 2020-06-29 정종현 alarm service device based on short range wireless communication
KR20200132437A (en) * 2019-05-17 2020-11-25 (주) 포에버정보 IoT-based real-time traffic information and child safety information service system
KR102195802B1 (en) * 2019-05-17 2020-12-28 (주) 포에버정보 IoT-based real-time traffic information and child safety information service system
KR20200073198A (en) * 2020-06-17 2020-06-23 정기홍 Method for relief service of school buses
KR102242621B1 (en) * 2020-06-17 2021-04-20 정기홍 Method for relief service of school buses

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