KR101525078B1 - Inter-car wireless connector of rail vehicles - Google Patents

Inter-car wireless connector of rail vehicles Download PDF

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Publication number
KR101525078B1
KR101525078B1 KR1020140004407A KR20140004407A KR101525078B1 KR 101525078 B1 KR101525078 B1 KR 101525078B1 KR 1020140004407 A KR1020140004407 A KR 1020140004407A KR 20140004407 A KR20140004407 A KR 20140004407A KR 101525078 B1 KR101525078 B1 KR 101525078B1
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KR
South Korea
Prior art keywords
vehicle
bluetooth transceiver
signal
bluetooth
wireless
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Application number
KR1020140004407A
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Korean (ko)
Inventor
김진석
Original Assignee
현대로템 주식회사
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Publication of KR101525078B1 publication Critical patent/KR101525078B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to an inter-car wireless connector, and more particularly, to a wireless connector which can replace an existing inter-car connector by receiving and transmitting railcar signals by using a Bluetooth transmitter. In an embodiment of the present invention, an inter-car wireless connector is installed in each of the adjacent railcars, which will become a master or a slave depending on the moving direction of the car. The wireless connector features a Bluetooth transmitter which converts signals between adjacent railcars into wireless signals and transmits the converted wireless signals from the master to the slave in a unidirectional way. The Bluetooth transmitter comprises: an automatic paring part which allows Bluetooth transmitters in adjacent railcars to register each other as a pair; a master/slave converting part which identifies the moving direction of a railcar based on information on the moving direction contained in the car signals and selects the Bluetooth transmitter installed in the preceding railcar as the slave and the Bluetooth transmitter installed in the following railcar as the master; and a wireless communication part which transmits wireless railcar signals from the master to the slave in a unidirectional Bluetooth communication system.

Description

[0001] Inter-car wireless connector of rail vehicles [

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an inter-vehicle wireless connector of a railway vehicle, and more particularly, to a wireless connector for replacing a conventional inter-vehicle connector and transmitting / receiving a vehicle signal to / from a vehicle via a Bluetooth transceiver.

Generally, a railway car, which is an electric vehicle, is an important means of transporting passenger trains, freight trains, and electric trains running on railroad tracks. It can run in a safe state by connecting a plurality of railway cars, so hundreds to thousands of passengers It has the advantage of being able to transport a large quantity of cargo at once, as well as being able to carry it.

Thus, a train is connected to a plurality of railway cars such as locomotives, passenger cars, and wagons, and one or more locomotives are connected to a plurality of passenger cars and wagons through a jumper coupler to apply propulsion and braking signals.

These types of inter-vehicle connectors include mechanical connectors, low-voltage connectors, high-voltage connectors, and communication channel connectors. The low-voltage connector is used for control, voice, and communication, and the communication channel connector is connected to high-speed communication.

The high voltage connector is also used to draw a line voltage of DC 1500V from the guard wire through the pantograph and to power the adjacent vehicle.

The inter-vehicle coupler is a tool for connecting the electric wires of two vehicles, and usually requires connection points of two places (plug / receptacle) or four places (plug / receptacle, terminal box inside the connection box) Or, a wiring worker's mistake may not make a normal connection.

FIG. 1 is a photograph for showing a conventional low-voltage inter-vehicle connector, showing that five connection points are required.

When the connecting device is connected in an abnormal state and a collision occurs, a safety accident in which a locomotive, a coach or a wagon is damaged or broken occurs.

Especially, in the case of locomotive of railway vehicles, frequent connection to other coaches and freight cars is frequently carried out according to the schedule of operation. Therefore, when the locomotive of the locomotive is separated during train operation, the coaches and the car can not be immediately driven or braked It is highly likely that it will lead to a major accident.

In addition, in the case of a communication channel connector, an abnormal communication occurs due to reflection loss due to impedance mismatch.

Furthermore, due to various connectors between vehicles, there are many difficulties in arranging the connector to satisfy the minimum curve passing condition of the running line, and there are problems such as water inflow, freezing, breakage due to environmental factors.

Registration No. 20-0200215 (Publication date October 16, 2000)

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems described above, and it is an object of the present invention to provide a Bluetooth transceiver in place of a wireline inter- The present invention is to provide an inter-vehicle wireless connector of a railway vehicle that can prevent abnormal connection that may be caused by an access point of a railway vehicle and can eliminate water inflow, freezing, and breakage due to environmental factors.

According to an aspect of the present invention, there is provided an inter-vehicle wireless connector of a railway vehicle, the inter-vehicle wireless connector being installed in front of and behind each vehicle of a railway vehicle, And a Bluetooth transceiver which converts the adjacent vehicle-to-vehicle signal into a radio signal and transmits the signal from the master to the slave in Bluetooth unidirectional communication.

In addition, the Bluetooth transceiver converts a vehicle signal into an electric signal in the same vehicle, and transmits the electric signal from the slave to the master.

In addition, the Bluetooth transceiver identifies the progress direction by the progress direction information included in the vehicle signal, and selects the Bluetooth transceiver installed in the forward direction of each vehicle as the secondary Bluetooth transceiver, and the Bluetooth transceiver installed in the backward direction of the vehicle, Transceiver is selected.

The Bluetooth transceiver includes an automatic pairing unit that performs a pairing process of registering adjacent Bluetooth transceivers with each other and connects the bluetooth transceiver to each other through Bluetooth communication,

The bluetooth transceiver installed in front of the traveling direction of each vehicle is selected as the secondary bluetooth transceiver while the bluetooth transceiver installed in the backward direction of the traveling direction is selected as the primary bluetooth transceiver, / Sub conversion section, and

And a wireless communication unit for transmitting and receiving the vehicle signal of the wireless signal from the primary Bluetooth transceiver to the secondary Bluetooth transceiver through Bluetooth unidirectional communication.

And a wired communication unit for transmitting and receiving a vehicle signal of the electric signal from the secondary Bluetooth transceiver to the primary Bluetooth transceiver within the same vehicle,

And a signal conversion unit for converting the vehicle signal into a radio signal when the vehicle signal is an electric signal and outputting the radio signal to the wireless communication unit, and converting the vehicle signal into an electric signal when the vehicle signal is a wireless signal and outputting the electric signal to the wire communication unit.

According to the means for solving the above-mentioned problems, it is possible to eliminate the difficulty of estimating the electric wiring length of the connector when passing a minimum curve by transmitting and receiving a vehicle signal to / from a vehicle with a Bluetooth transceiver in place of a wired inter-vehicle connector, It is possible to prevent an abnormal connection which can be caused, and to prevent water inflow, freezing and breakage due to environmental factors.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a photograph showing a conventional vehicle-to-vehicle low voltage connector. FIG.
2 is a block diagram of a Bluetooth transceiver used as an inter-vehicle wireless connector according to an embodiment of the present invention.
FIGS. 3A and 3B are views showing a state in which the Bluetooth transceiver shown in FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

It is to be noted that the same components of the drawings are denoted by the same reference numerals and symbols as possible even if they are shown in different drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Also, when a part is referred to as "including " an element, it does not exclude other elements unless specifically stated otherwise.

2 is a block diagram of a Bluetooth transceiver used as an inter-vehicle wireless connector according to an embodiment of the present invention.

2, each of the Bluetooth transceivers 10a and 10b includes radio communication units 12a and 12b, signal converters 14a and 14b, automatic pairing units 16a and 16b, main / 18b and wired communication units 19a, 19b.

Here, the Bluetooth transceivers 10a and 10b are provided in different vehicles so that vehicle signals can be exchanged wirelessly between adjacent vehicles.

The wireless communication unit 12a of the Bluetooth transceiver 10a transmits and receives signals for wireless pairing and various vehicle signals (wireless signals) for Bluetooth communication with the wireless communication unit 12b of the other Bluetooth transceiver 10b.

The vehicle signal includes, for example, information indicating the traveling direction of the vehicle, control, voice, and the like.

The Bluetooth transceivers 10a and 10b perform pairing to connect the Bluetooth communication.

That is, in order to wirelessly connect the Bluetooth transceiver 10a to the Bluetooth transceiver 10b, a pairing process of registering the devices with each other is performed, and the automatic pairing units 16a and 16b perform the pairing process.

The automatic pairing units 16a and 16b first enter the pairing mode of the Bluetooth transceiver 10b to register the Bluetooth transceiver 10a and the Bluetooth transceiver 10b with each other and set the Bluetooth transceiver 10a to Bluetooth The transceiver search mode is entered and the Bluetooth transceiver 10b is searched. When the Bluetooth transceiver 10b is found through the search, it is registered.

At this time, the pairing mode and the search mode can be registered by entering the opposite Bluetooth transceiver 10a or 10b.

The pairing is performed through authentication, PIN code, encryption, and the like. The automatic pairing units 16a and 16b automatically perform the pairing so that the Bluetooth transceiver 10a and the Bluetooth transmission / reception unit 10b Make it wireless.

The main / sub selectors 18a and 18b select a master Bluetooth transceiver or a slave Bluetooth transceiver. When the vehicle signal includes the progress direction information, the main / Select a Bluetooth transceiver or a secondary Bluetooth transmitter.

For example, if the direction of travel is checked and a Bluetooth transceiver is provided in the forward direction of each vehicle, the Bluetooth transceiver is selected, and if the Bluetooth transceiver is provided behind each vehicle, the main Bluetooth transceiver is selected.

Thus, when the primary Bluetooth transceiver and the secondary Bluetooth transceiver are selected, the primary Bluetooth transceiver of one vehicle takes a one-way communication scheme that transmits vehicle signals (radio signals) to the secondary Bluetooth transceiver of another adjacent vehicle.

However, even if the main Bluetooth transceiver and the secondary Bluetooth transceiver are selected, the wired communication units 19a and 19b take a bi-directional communication system in which vehicle signals (electric signals) are exchanged with other Bluetooth transceivers provided in the same vehicle.

The signal converters 14a and 14b convert the electrical signal into a radio signal and the radio signal into an electrical signal.

That is, the signal converters 14a and 14b convert a vehicle signal into a radio signal when receiving a vehicle signal of an electric signal from another Bluetooth transceiver in the same vehicle through the wired communication units 19a and 19b, 12b to transmit the signal to the Bluetooth transceiver of another adjacent vehicle, and when the vehicle signal of the wireless signal is received from the Bluetooth transceiver of another neighboring vehicle via the wireless communication units 12a, 12b, And outputs them to the wired communication units 19a and 19b so that they can be transmitted to other Bluetooth transceivers in the same vehicle.

The wireless communication units 12a and 12b are connected to the Bluetooth transceivers 10a and 10b by the automatic pairing units 16a and 16b and are connected to the Bluetooth communication through the automatic pairing units 16a and 16b, And the wired communication units 19a and 19b, the main / sub selecting units 18a and 18b select the main Bluetooth transmitting / receiving unit or the secondary Bluetooth transmitting / receiving unit as the proceeding direction information.

When the main / subsection is selected between the Bluetooth transceivers 10a and 10b, the vehicle signal is transmitted from the main Bluetooth transceiver to the auxiliary Bluetooth transceiver of the adjacent vehicle through the wireless communication units 12a and 12b, The signal is transmitted from the secondary Bluetooth transceiver to the primary Bluetooth transceiver via the wired communication units 19a, 19b.

At this time, the signal converters 14a and 14b convert the vehicle signal into a radio signal when the vehicle signal is an electric signal, and convert it into an electric signal when the vehicle signal is a radio signal.

FIGS. 3A and 3B are views showing a state in which the Bluetooth transceiver shown in FIG.

First, the registration is completed between the Bluetooth transceivers 10a and 10b by the automatic pairing units 16a and 16b and is connected by Bluetooth communication. Then, the wireless communication units 12a and 12b and the wired And communicates via the communication units 19a and 19b.

At this time, when the railway vehicle progresses from right to left as shown in FIG. 3A, the main / sub selecting units 18a and 18b of the respective Bluetooth transceivers 10a and 10b are arranged in the backward direction of each vehicle 1, The Bluetooth transceiver 10a provided in the forward direction becomes the primary Bluetooth transceiver M and the Bluetooth transceiver 10b provided in the forward direction becomes the secondary Bluetooth transceiver S.

Therefore, the vehicle signal generated in the first left vehicle 1 is transmitted from the left to the right (1- > 2- > 3-> 4-> 5) opposite to the traveling direction of the railway car, Bluetooth transceiver M from the primary Bluetooth transceiver M to the secondary Bluetooth transceiver S in the same vehicle via the wired communication unit 19b and 19a from the secondary Bluetooth transceiver S to the primary Bluetooth transceiver M, And transmitted to the secondary Bluetooth transceiver 10b of the rear right vehicle 5 on the right side.

When the vehicle signal is an electric signal, the signal converting units 14a and 14b convert the signals into wireless signals and output them to the wireless communication units 12a and 12b. When the vehicle signals are wireless signals, the signal converting units 14a and 14b convert the wireless signals into electric signals, 19b.

In this way, the conventional vehicle-to-vehicle wire connection unit can be replaced with the Bluetooth transceiver 10a or 10b to transmit / receive the vehicle signal wirelessly.

The Bluetooth communication is completed between the Bluetooth transceivers 10a and 10b by the next automatic pairing units 16a and 16b and is connected to the Bluetooth communication and thereafter the progress information is included in the vehicle signal to transmit the wireless communication units 12a and 12b, (19a, 19b).

When the railroad car travels from the left to the right as shown in FIG. 3B, the main / sub selectors 18a and 18b of the respective Bluetooth transceivers 10a and 10b move to the rear of the vehicles 1, The Bluetooth transceiver 10a provided in the forward direction becomes the primary Bluetooth transceiver M and the Bluetooth transceiver 10b provided in the forward direction becomes the secondary Bluetooth transceiver S.

Therefore, the vehicle signal generated in the head vehicle 5 on the right-hand side is transmitted from the right side to the left side (5-> 4-> 3-> 2-> 1) opposite to the traveling direction of the railway car, Bluetooth transceiver M from the primary Bluetooth transceiver M to the secondary Bluetooth transceiver S in the same vehicle via the wired communication unit 19b and 19a from the secondary Bluetooth transceiver S to the primary Bluetooth transceiver M, And transmitted to the secondary Bluetooth transceiver 10b of the rear left vehicle 1 on the leftmost side.

When the vehicle signal is an electric signal, the signal converting units 14a and 14b convert the signals into wireless signals and output them to the wireless communication units 12a and 12b. When the vehicle signals are wireless signals, the signal converting units 14a and 14b convert the wireless signals into electric signals, 19b.

In this way, the conventional vehicle-to-vehicle wire connection unit can be replaced with the Bluetooth transceiver 10a or 10b to transmit / receive the vehicle signal wirelessly.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

One,… , 5: vehicle 10a, 10b: Bluetooth transceiver
12a and 12b: radio communication units 14a and 14b:
16a, 16b: automatic pairing unit 18a, 18b: main /
19a and 19b:

Claims (5)

One of them is a master and the other is a slave according to the traveling direction of the vehicle, and converts a vehicle signal between adjacent vehicles into a wireless signal, and transmits the Bluetooth unidirectional communication And a Bluetooth transceiver for transmitting from the master to the slave,
The Bluetooth transceiver includes an auto-pairing unit that performs a pairing process of registering Bluetooth transceivers between neighboring vehicles with each other,
The bluetooth transceiver installed in front of the traveling direction of each vehicle is selected as the secondary bluetooth transceiver and the bluetooth transceiver installed in the backward direction of the traveling direction is selected as the primary bluetooth transceiver / Sub conversion section, and
And a wireless communication unit for transmitting and receiving the vehicle signal of the wireless signal from the primary Bluetooth transceiver to the secondary Bluetooth transceiver through Bluetooth unidirectional communication. The method according to claim 1,
Wherein the Bluetooth transceiver converts a vehicle signal into an electric signal in the same vehicle and transmits the electric signal from the slave to the master. The method according to claim 1,
The Bluetooth transceiver identifies the progress direction as the progress direction information included in the vehicle signal and selects the Bluetooth transceiver installed in the forward direction of each vehicle as the secondary Bluetooth transceiver and the Bluetooth transceiver installed in the backward direction of the vehicle as the main Bluetooth transceiver Wherein the controller selects one of the plurality of inter-vehicle wireless connectors. delete The method according to claim 1,
A wired communication unit for transmitting and receiving the vehicle signal of the electric signal from the secondary Bluetooth transceiver to the primary Bluetooth transceiver within the same vehicle,
Further comprising a signal converting unit for converting the vehicle signal into a radio signal when the vehicle signal is an electric signal and outputting the radio signal to the wireless communication unit and converting the vehicle signal into an electric signal when the vehicle signal is a wireless signal, Wireless connector.
KR1020140004407A 2014-01-14 2014-01-14 Inter-car wireless connector of rail vehicles KR101525078B1 (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101076494B1 (en) * 2010-10-27 2011-10-24 주식회사 포스코아이씨티 Method for controlling of personal rapid transit system and prt system for supporting that method
JP2013534397A (en) * 2010-07-20 2013-09-02 エラ−コンタクト ゲゼルシャフトミットベシュレンクターハフトゥング Device for transmitting data between two rail vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013534397A (en) * 2010-07-20 2013-09-02 エラ−コンタクト ゲゼルシャフトミットベシュレンクターハフトゥング Device for transmitting data between two rail vehicles
KR101076494B1 (en) * 2010-10-27 2011-10-24 주식회사 포스코아이씨티 Method for controlling of personal rapid transit system and prt system for supporting that method

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