KR20050032345A - Apparatus for traffic accident notification of telematics system on vehicle and method thereof - Google Patents

Abstract

An apparatus and a method for notifying a traffic accident in a telematics system are provided to perform the accident notification safely by further providing the voltage stabilization unit on the telematics unit although the main power supply is blocked due to the shock generated by the traffic accident. An apparatus for notifying a traffic accident in a telematics system includes a shock sensor(100), an air bag unit(200) and a telematics unit(300). The telematics unit(300) is provided with a controller(310), a memory unit(320), a CDMA modem(330), and a global positioning system(GPS) receiver(340). The air bag unit(200) performs the development control of the air bag in response to the detected impact force and outputs the information related to the accident generation during the development of the air bag. The telematics unit(300) extracts the current position coordinate when the information of the accident generation is detected at the air bag unit(200). The telematics unit(300) transmits the accident generation time and the position information to the helper by reading the contact number of the helper and the corresponding help request message. The controller(310) performs the general process for the detection of the accident generation state and the accident generation notification. The memory unit(320) stores at least one contact number set by the driver to request the help during the accident generation. The CDMA modem(330) performs the communication of the data by connecting to the telematics center through the wireless communication network. And, the GPS receiver(340) receives the coordinate information by connecting with the GPS satellite to extract the current position coordinate of the vehicle.

Description

Telematics Incident Notification Apparatus and Method {APPARATUS FOR TRAFFIC ACCIDENT NOTIFICATION OF TELEMATICS SYSTEM ON VEHICLE AND METHOD THEREOF}

The present invention relates to a telematics applied to a vehicle, and more particularly, even when an accident occurs during operation and the power supply is cut off, the time and place of the accident and the message set by the driver are automatically sent to the telematics center stably and at the same time. It relates to a telematics accident notification device and method for the rapid recovery by causing the accident time and place of the accident and the message set by the driver to be automatically sent to the contact set.

Telematics is a compound word of telecommunication and information, and connects a center that provides vehicles and services using wireless communication to provide drivers with various information and services provided by the center.

Telematics uses the AV module to play audio and video signals stored in various media such as cassette tapes, CDs, DVDs, navigation modules, and wireless communication networks. A communication module for accessing the center through the center and a GPS module for extracting the position coordinates of the host vehicle from the GSP information are installed.

An apparatus for notifying an accident to a center according to an accident occurrence detection in a vehicle equipped with telematics equipped with the above functional module is as follows.

As can be seen in FIG. 1, when the airbag unit 20 detects an impact amount equal to or greater than a reference value set in the shock sensor 10 mounted at a predetermined position of the vehicle, the airbag unit 20 is connected to an inflator (not shown). The drive protects the driver and passengers by deploying airbags mounted on the handle or door side or the passenger crash pad.

At this time, the airbag unit 20 transmits information on the occurrence of the accident to the telematics terminal 30 according to the airbag deployment control, the telematics terminal 30 in accordance with a signal provided from the airbag unit 20 through a wireless communication network Inform the telematics center (A) of the occurrence of the accident so that the vehicle can be rescued.

As described above, the conventional telematics simply transmits information on the accident to the telematics center, so it is not possible to determine exactly where the accident occurred, and it is not possible to determine what type of accident occurred and how much it is. There is a problem that does not make a valuable loss of life.

In addition, when the power supply to the telematics is cut off by the impact at the time of the accident occurs there is a disadvantage that you can not notify the fact of the accident.

The present invention has been invented to solve the above problems, the object of the present invention is to detect the occurrence of the accident during operation, the time and place of accident occurrence and the message set by the driver to the telematics center and at the same time to the contact set by the driver The time and place of the accident and the message set by the driver are automatically sent out so that the rescue can be done quickly.

In addition, even if the power supply to the telematics is cut off due to the impact at the time of the accident, the power supply by the large capacity capacitor that performs the backup function is maintained so that the telematics center can be notified of the accident so that a stable and rapid rescue can be achieved. It is.

The present invention for achieving the above object includes a means for detecting the impact force and the airbag unit for performing the deployment control of the airbag according to the detected collision force, and outputs information on the occurrence of the accident when the airbag is deployed; When the information on the occurrence of the accident is detected in the airbag unit, the current position coordinates are extracted and the contact number of the helper and the corresponding help request message set by the driver are read to determine the time and location of the accident and the degree of the accident. It provides a telematics accident notification device further comprising a telematics unit for transmitting to the telematics center and the set helper.

The present invention also provides a method of determining whether the deployment of an airbag is detected while driving; Determining whether an accident has occurred and extracting a current position coordinate and extracting an accident guidance message set in a memory when an airbag deployment is detected; Transmitting the extracted location coordinates, an accident occurrence time, and an accident guide message to a telematics center to notify an accident; Determining whether an emergency button selection is detected when the airbag deployment is not detected; When the emergency button selection is detected, it is determined that an accident has occurred, and the current position coordinates are extracted, and an accident notification message set in the memory is extracted, and the accident occurrence time information is included and transmitted to the telematics center, which includes an accident notification and rescue request. It provides a telematics accident notification method characterized in that.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As can be seen in Figure 1 the present invention is composed of an impact sensor 100, an airbag unit 200 and a telematics unit (300).

The impact sensor 100 is installed at a predetermined position of the vehicle to detect an impact amount generated when the vehicle collides or collides, and outputs a signal for controlling airbag deployment.

The airbag unit 200 compares the amount of impact applied by the impact sensor 100 with a predetermined reference value and determines that the detected amount of shock exceeds the reference value. By controlling the deployment of the mounted airbag, the driver and passengers are protected, and when the deployment of the airbag is executed, information about an accident occurrence is applied to the telematics unit 300 through a signal output means.

When the accident occurs from the airbag unit 200, the telematics unit 300 extracts the current position coordinates from the GPS satellite signal, reads the contact number and the corresponding help request message of the helper set by the driver, and generates the accident. Data about time, location and the extent of accidents is transmitted to the telematics center and the set-up helper via the wireless network.

The telematics 300 is an address to which a control unit 310 which performs general processing of an accident occurrence notification, and at least one contact information and a message about the degree of an accident for requesting help in case of an accident set by a driver are designated. The memory unit 320 to store in the area, the CDMA modem 330 for transmitting and receiving data by connecting the telematics center through a wireless communication network, and the GPS satellites are connected to extract the current position coordinates of the host vehicle to obtain the coordinate information. Receiving GPS receiver 340, the accident detection unit 350 to detect whether the driver's emergency button (S / W) driving and constant voltage so that the accident report can be stably performed when the power supply is cut off due to an impact It is configured to include a power stabilizer (C301) for supplying.

In the configuration of the present invention including the function as described above, the operation of notifying the telematics center of the occurrence of an accident when an accident occurs is performed as follows.

When a collision or collision occurs while the vehicle is traveling to an arbitrary destination (S101), a shock is detected by the shock sensor 100 mounted at a predetermined position of the vehicle and applied to the airbag unit 200.

In this case, the control means in the airbag unit 200 compares the amount of shock detected by the impact sensor 100 with the set reference shock amount, and when it is determined that the detected shock amount exceeds the reference shock amount, the handle or the door is driven by driving the inflator (not shown). Airbags mounted on the side or passenger crash pads are deployed to protect the driver and passengers.

As described above, when the control means in the airbag unit 200 executes the deployment control of the airbag, a "low" level is transmitted to the controller 310 in the telematics unit 300 informing that the airbag deployment control has been executed in accordance with the occurrence of an accident. Apply a signal of.

Therefore, the control unit 310 in the telematics unit 300 determines whether a signal for airbag deployment control is detected from the airbag unit 200 (S102).

When the deployment control of the airbag is detected in S102, the controller 310 detects the coordinate data of the GPS through the GPS receiver 340, extracts the current position coordinates (S103), and helps the driver set from the memory 320. The message data for the phone number and the help request for is extracted (S104).

The telephone number and the message for the help request for the helper set in the memory 320 are set as shown in Table 1 below.

No name Contact message Helper 1 A xxx-xxxx-xxxx  There was a car accident. You are now near 'a'. Help. Helper 2 B xxx-xxxx-xxxx  There was a car accident. This is near 'b'. I would like an ambulance. Helper 3 C xxx-xxxx-xxxx  There was a car accident. The location is now near 'c'. Please call the police. Helper 4 D xxx-xxxx-xxxx  I need help. The location is now near 'd'. please call back. Helper 5 E xxx-xxxx-xxxx  I need help. Please contact me.

As can be seen in Table 1 above, the memory 320 is configured with a helper and a message for the emergency and a helper for the minor accident and a message for the accident.

When the current location coordinates and the helper's telephone number and the message about the accident location are extracted in S103 and S104, the controller 310 accesses the telematics center through the CDMA modem 330 to the wireless public network to detect the accident. In addition to transmitting the time and the current location coordinates of the vehicle, which is the place where the accident occurred, at the same time, the message for the accident guidance and rescue request extracted from the memory 320 is processed into an SMS message and transmitted as a text message to the mobile phone of the telematics center and the helper ( S105) (S106).

In addition, if the signal for the airbag deployment control is not detected from the airbag unit 200 in the determination of S102, it is determined whether the signal of the emergency button S / W that the driver and the passenger selector drive is detected (S201).

If the drive selection of the emergency button (S / W) is detected in the above, the control unit 310 determines that the accident of the air bag is not deployed, detect the coordinate data of the GPS through the GPS receiver 340 as described above The current position coordinates are extracted (S202), and the phone number for the helper set by the driver and the message data for the help request are extracted from the memory 320 (S203).

When the current location coordinates, which are the accident occurrence points, are extracted as described above, the accident occurrence time is transmitted to the telematics center by sending a message about the accident occurrence time, a help phone number, and a request for assistance (S204).

In addition, by sending a message about the help request to the phone number for the helper as an SMS message so that the rescue can be made quickly in the event of an accident.

In addition, the control unit 310 attempts to make a telephone connection to the telematics center and the helper through the CDMA modem 330 (S205), and reports the accident information when the telephone connection with the telematics center is successful (S206) (S207), When the telephone connection with the helper is successful, the helper is notified of the accident and performs a rescue request (S208) (S209) (S210).

In addition, when the power supplied to the telematics unit 300 is cut off due to the impact at the time of the accident of the vehicle, the power supply is maintained by the voltage stabilizing unit C301 made of a large capacity capacitor, thereby operating the telematics unit 300. In case of accidents that resulted from being kept stable, the rescue request to the telematics center or helper is reliably carried out.

As described above, the present invention is further provided with a voltage stabilization means in the telematics unit, even if the supply of main power is interrupted due to an impact in case of an accident, the accident notification is stably performed, and the accident vehicle is located at the time of the accident occurrence notification. By transmitting the position coordinates of, to ensure rapid rescue, protect valuable lives.

In addition, by automatically contacting the helper set by the driver to notify the fact that the accident occurred, it can be quickly rescued, and by sending a voice or SMS message to the helper and help request message according to the severity of the accident, Make sure you get the rescue you need according to the accident.

1 is a block diagram of a telematics accident notification device according to the present invention.

2 is a flow diagram of one embodiment for executing an accident notification of telematics in accordance with the present invention.

3 is a block diagram of a conventional telematics accident notification device.

Claims (9)

A means for detecting a collision force and an airbag deployment control according to the detected collision force, and an airbag unit for outputting information on an accident occurrence when the airbag is deployed, When the information on the occurrence of the accident is detected in the airbag unit, the current position coordinates are extracted, and the telematics information of the accident occurrence time and location information and the degree of the accident are read by reading the contact number of the helper and the corresponding help request message set by the driver. Telematics accident notification device further comprises a telematics unit for transmitting to the center and the set helper. The method of claim 1, The telematics unit may include a control unit which performs overall processing for detecting whether an accident has occurred and reporting an accident occurrence; A memory unit for storing a message on at least one contact and an accident degree set by the driver to request help in case of an accident; A CDMA modem for transmitting and receiving data by connecting a telematics center through a wireless communication network; Telematics accident notification device comprising a GPS receiver for receiving coordinate information by connecting a GPS satellite to extract the current position coordinates of the own vehicle. The method of claim 1, The telematics unit includes an emergency button for automatically notifying a minor accident in which the airbag is not deployed; Telematics accident notification device for detecting whether the emergency button is driven or applied to the control unit. The method of claim 1, The telematics unit is charged with battery power in a normal driving state, the accident of the telematics comprising a power stabilization unit for supplying a constant voltage to stably report the accident when the power supply is cut off due to an impact in the event of an accident Notification device. The method of claim 2, Telemetics accident notification device is characterized in that the memory number of the helper (mobile phone) and the help request message according to the severity of the accident is set in the memory. The method of claim 4, wherein The power stabilization unit telematics accident notification device, characterized in that for applying a large capacity capacitor. Determining whether the deployment of the airbag is detected while driving; Determining whether an accident has occurred and extracting a current position coordinate and extracting an accident guidance message set in a memory when an airbag deployment is detected; Transmitting the extracted location coordinates, an accident occurrence time, and an accident guide message to a telematics center to notify an accident; Determining whether an emergency button selection is detected when the airbag deployment is not detected; When the emergency button selection is detected, it is determined that an accident has occurred, and the current position coordinates are extracted, and an accident notification message set in the memory is extracted, and the accident occurrence time information is included and transmitted to the telematics center, which includes an accident notification and rescue request. Telematics accident notification method, characterized in that. The method of claim 7, wherein When the occurrence of the accident is determined by the emergency button Telematics apostle notification method, characterized in that the accident notification message set to the phone number of the helper set in the memory to send an SMS notification and rescue request. The method of claim 7, wherein If it is determined that the accident occurred by the emergency button according to the seriousness of the accident, by sending a guide message corresponding to the accident notification and rescue request, characterized in that the telematics apostle notification method.