KR102305083B1 - Apparatus and system for automatic block control with train approach protection fuction - Google Patents

Abstract

Disclosed are an apparatus and system for automatic block control with a train approach protection function. The apparatus for automatic block control according to an embodiment of the present disclosure includes: a track circuit unit which acquires track occupancy information in a self-block section; a control relay unit which controls at least one of signal control information of a block signal and automatic train stop (ATS)/automatic train protection (ATP) according to signal control information of a front block section and the track occupancy information of the self-block section; and an optical communication unit which receives the signal control information of the front block section, transmits signal control information of the self-block section to a rear block section through optical communication, and transmits the track occupancy information and fault information in the self-block section to a reverse interface device in an adjacent station through optical communication.

Description

Automatic blocking control device and system with train entry prevention function

The disclosed embodiment relates to an automatic occlusion control technology having a train entry prevention function.

In general, for the safety of railroad operation, speed conditions in consideration of the braking distance of a subsequent train according to the position of the preceding train are controlled for each blocked section. To this end, an automatic block system (ABS) is installed for each block section, and the state of the block section is controlled to be automatically displayed on the block signal device with a color lamp.

The automatic occlusion control device in a specific occlusion section communicates with the automatic occlusion control device installed in the front, the automatic occlusion control device installed in the rear, and the automatic occlusion control device installed in the station to acquire the status information of the front, and to move itself to the rear or station side. transmit status information. At this time, the information transmitted between the automatic occlusion control devices includes orbit occupancy information, display information, failure information, etc., and such information is transmitted/received at a specified specific frequency.

That is, conventionally, such information is transmitted and received through frequency communication between automatic occlusion control devices, but the frequency communication has a problem in that reliability is lowered due to external noise.

In addition, there is no device for displaying a signal related to train entry prevention during maintenance of a device installed on the side of the track in a closed section, so there is a risk of human accidents.

Korean Utility Model Publication No. 20-0275626 (2002.05.11)

The disclosed embodiment is to provide an automatic occlusion control device and system having a train entry prevention function.

An automatic occlusion control apparatus according to an embodiment of the present disclosure includes: a track circuit unit for acquiring orbit occupancy information within a self-occlusion section; a control relay unit for controlling at least one of an occlusion signal and an Automatic Train Stop (ATS)/Automatic Train Protection (ATP) according to signal control information of the front occlusion section and track occupation information of the self-occlusion section; and receiving the signal control information of the front occlusion section through optical communication, transmitting the signal control information of the self-occlusion section to the rear occlusion section through optical communication, and transmitting orbit occupancy information and failure information in the self-occlusion section through optical communication and an optical communication unit for transmitting to a station interface device of an adjacent station.

The automatic occlusion control device includes: a power supply unit for supplying power to the automatic occlusion control device; and an occlusion function monitoring unit that collects state information from the track circuit unit, the control relay unit, the optical communication unit, and the power supply unit, respectively, and transmits the collected state information to a station interface device of an adjacent station through the optical communication unit may include more.

The optical communication unit may include a power supply unit receiving power from the power supply unit and converting the supplied power into one or more preset voltages; Receive signal control information of the front occlusion section, transmit signal control information of the self-occlusion section to the rear occlusion section, and transmit track occupancy information and failure information in the self-occlusion section to a station interface device of an adjacent station optical communication control unit; and an interface unit for performing an interface between the optical communication control unit, the control relay unit, and the occlusion function monitoring unit.

The optical communication unit receives handling-related information including handling switch information and failure information from the train entry prevention handling switch, and transmits the received handling-related information to the station interface device of the rear blocked section or the adjacent station through optical communication can do.

The power supply unit may include: a voltage converter converting the power supplied from the power supply unit into a preset voltage; a voltage monitoring unit generating voltage monitoring information by monitoring the state of the voltage converted by the voltage converting unit, and transmitting the generated voltage monitoring information to the optical communication control unit; and a voltage state display unit that receives the power and the converted voltage from the power supply unit and the voltage converter, respectively, and displays the state of the power and the state of the converted voltage to be visually confirmed. .

The voltage converter may include: a first voltage converter that converts the received power into a preset first voltage and supplies the converted first voltage to the control relay unit; and a second voltage converter converting the received power into a second voltage different from the first voltage and supplying the converted second voltage to the optical communication control unit, wherein the voltage monitoring unit includes the converted first voltage a first voltage monitoring unit for generating first voltage monitoring information by monitoring a state of a , and transmitting the generated first voltage monitoring information to the optical communication control unit; and a second voltage monitoring unit generating second voltage monitoring information by monitoring the state of the converted second voltage, and transmitting the generated second voltage monitoring information to the optical communication control unit.

The optical communication control unit may include: a communication unit configured to perform optical communication with the automatic occlusion control device of the front occlusion section, the automatic occlusion control device of the rear occlusion section, and the station interface device of the adjacent station; Receives magnetic occlusion related information including signal control information, track occupancy information, and failure information of the self-occlusion section from the control relay unit and the interface unit, and includes handling switch information and failure information from the train entry prevention handling switch an input/output unit for receiving handling-related information; a monitoring unit for monitoring the operation state of the communication unit and the input/output unit, and generating a request for a changeover operation when a failure occurs; and controlling to transmit the self-occlusion-related information and the handling-related information to one or more of the reverse occlusion section and the station interface device of the adjacent station through the communication unit, and perform a seasonal switching operation when the request for the switching operation is generated It may include a control processing unit.

The train entry prevention handling switch may include a main handling switch configured to excite the track reaction relay of the blocked section during handling so that the blockage signal displays a stop; and an emergency handling switch operated when the main handling switch fails, transmitting handling switch information to the input/output unit when handling the main handling switch or the emergency handling switch, and receiving the failure information when the main handling switch fails It can be transmitted to the input/output unit.

The occlusion function monitoring unit includes: a monitoring control unit; an analog detection unit that collects voltage and current values of the occlusion signal, collects voltage and current values of the power supply unit, and transmits the collected voltage and current values to the monitoring control unit; a digital detection unit that collects contact information and failure information of each relay from the interface unit and transmits it to the monitoring control unit; and an optical communication receiving unit for receiving the state information and the handling related information of the optical communication unit from the optical communication unit, and receiving the orbit occupancy information from the orbit circuit unit and transmitting the information to the monitoring control unit, wherein the monitoring control unit includes the analog detection The information received from the unit, the digital detection unit, and the optical communication receiver may be transmitted to the station interface device of the adjacent station through the optical communication unit.

An automatic occlusion control system according to an embodiment of the present disclosure includes a track circuit unit for acquiring orbit occupancy information within a self-occlusion section, an occlusion signal and an automatic Train Stop)/Automatic Train Protection (ATP), a control relay unit for controlling one or more, and receiving signal control information of the front occlusion section through optical communication, and blocking the signal control information of the self-occlusion section backward through optical communication Automatic occlusion control device including an optical communication unit for transmitting the section; a station interface device installed at a station adjacent to the automatic occlusion control device and configured to receive track occupancy information and failure information in the self-occlusion section through optical communication from the optical communication unit; and a train entry prevention handling switch that energizes the track reaction relay of the blocked section during handling so that the blockage signal displays a stop, wherein the train entry prevention handling switch transmits handling switch information to the optical communication unit during handling, In case of a failure, the failure information is transmitted to the optical communication unit, and the reverse interface device receives the handling switch information and the failure information from the optical communication unit through optical communication.

According to the disclosed embodiment, since communication between each automatic occlusion control device and the reverse interface device is performed through optical communication, reliability and safety of communication can be improved compared to frequency communication.

In addition, the automatic occlusion control device has an interface for receiving handling-related information (handling switch information and failure information, etc.) of the train entry prevention handling switch, so that the train entry prevention function can be implemented in the automatic occlusion control device, thereby There is no need to install a separate train entry prevention device.

In addition, by implementing the train entry prevention function through the automatic occlusion control device, it is possible to secure the safety of the operator during the maintenance of the equipment installed on the side of the track.

1 is a block diagram showing the configuration of an automatic occlusion control system having a train entry prevention function according to an embodiment of the present invention;
2 is a diagram schematically showing the structure of a dual ring optical communication network in an embodiment of the present invention;
3 is a block diagram showing the configuration of an automatic occlusion control device according to an embodiment of the present invention;
4 is a block diagram illustrating the configuration of a power supply unit according to an embodiment of the present invention;
5 is a block diagram showing the configuration of an optical communication control unit according to an embodiment of the present invention;
6 is a block diagram illustrating the configuration of an interface unit according to an embodiment of the present invention;
7 is a block diagram showing the configuration of an occlusion function monitoring unit according to an embodiment of the present invention;
8 is a block diagram showing the configuration of a control relay unit according to an embodiment of the present invention;
9 is a block diagram showing the configuration of a train entry prevention handling switch according to an embodiment of the present invention;

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, apparatus, and/or systems described herein. However, this is only an example, and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing embodiments of the present invention only, and should in no way be limiting. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

In the following description, the terms "transmission", "communication", "transmission", "reception" and other similar meanings of signals or information are not only directly transmitted from one component to another component, but also signal or information This includes passing through other components. In particular, "transmitting" or "transmitting" a signal or information to a component indicates the final destination of the signal or information and does not imply a direct destination. The same is true for "reception" of signals or information. In addition, in this specification, when two or more data or information are "related", it means that when one data (or information) is acquired, at least a part of other data (or information) can be acquired based thereon.

Also, terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The above terms may be used for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

1 is a block diagram showing the configuration of an automatic occlusion control system having a train entry prevention function according to an embodiment of the present invention.

Referring to FIG. 1 , the automatic occlusion control system 100 may include an automatic occlusion control device 102 , a train entry prevention handling switch 104 , and a station interface device 106 . In the disclosed embodiment, an optical cable may be laid on the side of a line for optical communication between each automatic occlusion control device 102 and the station interface device 106 .

The automatic occlusion control device 102 may be installed for each occlusion section. The automatic occlusion control device 102 may transmit and receive signal display information, track occupancy information, and failure information between the station interface device 106 and the adjacent automatic occlusion control device 102 via the track side. At this time, the automatic occlusion control device 102 may transmit and receive signal display information, track occupation information, and failure information using optical communication.

The automatic occlusion control apparatus 102 may transmit state information of the optical communication unit and the communication state with the adjacent automatic occlusion control apparatus 102 to the station interface apparatus 106 of an adjacent station. The automatic occlusion control device 102 may collect contact information of various relays, internal voltage information and current information, track circuit information, and the like, and transmit it to the station interface device 106 of an adjacent station.

Automatic occlusion control device 102 according to the signal control information of the track occupancy information and the front occlusion (ie, the automatic occlusion control device 102 located in the front) for the occlusion section, an occlusion signal, ATS (Automatic Train Stop), and ATP (Automatic Train Protection) and the like can be controlled. Also, the automatic occlusion control device 102 may transmit signal control information of self-occlusion to the rear automatic occlusion control device 102 . In this case, the signal control information may be transmitted through optical communication.

The train entry prevention handling switch 104 may excite the track reaction relay of the blocked section during handling by a manager (eg, an on-site maintainer, etc.) so that the blockage signal indicates a stop.

The station interface device 106 may be installed at the station of a train station. The station interface device 106 receives track occupancy information, failure information, train entry prevention handling switch information, train entry prevention failure information, etc. can The station interface device 106 may receive signal control information from the electronic interlocking device 108 and transmit it to the automatic occlusion control device 102 installed at the rear. In this case, the signal control information may be transmitted through optical communication.

Here, as shown in FIG. 2 , the automatic occlusion control device 102 and the reverse interface device 106 of each occlusion section may be configured in a double-ring optical communication network structure. The dual ring optical communication network may include a first ring optical communication network (A) and a second ring optical communication network (B).

The first ring optical communication network (A) and the second ring optical communication network (B) are provided by connecting the automatic occlusion control device 102 of each blocked section and the station interface device 106 of an adjacent station on the upper and lower lines of the train, respectively. can be The first ring optical communication network (A) and the second ring optical communication network (B) may be configured in redundancy. That is, when a failure or failure occurs while the first ring optical communication network (A) is in use, optical communication is made through the second ring optical communication network (B), thereby preventing data loss and improving safety and reliability. do.

The optical communication unit of the automatic occlusion control device 102 includes two units for the configuration of a main line (eg, the first ring optical communication network (A)) and a sub-line (eg, the second ring optical communication network (B)). A network switch may be mounted.

According to the disclosed embodiment, since communication between each automatic occlusion control device 102 and the reverse interface device 106 is performed through optical communication, reliability and safety of communication can be improved compared to frequency communication.

In addition, the automatic occlusion control device 102 includes an interface for receiving handling-related information (handling switch information and failure information, etc.) of the train entry prevention handling switch 104, thereby preventing train entry in the automatic occlusion control device 102 It becomes possible to implement the function, thereby eliminating the need to install a separate train entry prevention device. Hereinafter, each configuration and operation of the automatic occlusion control device 102 will be described in detail.

3 is a block diagram showing the configuration of an automatic occlusion control apparatus according to an embodiment of the present invention.

Referring to FIG. 3 , the automatic occlusion control device 102 includes an optical communication unit 111 , an occlusion function monitoring unit 113 , a control relay unit 115 , a track circuit unit 117 , and a power supply unit 119 . can do.

The optical communication unit 111 receives signal control information from the front occlusion (front automatic occlusion control device 102), and transmits signal control information of the self-occlusion (automatic occlusion control device 102) to the rear occlusion (rear automatic occlusion control device 102). control device 102). Also, the optical communication unit 111 may transmit the track occupation information and the failure information to the station interface device 106 of an adjacent station. In addition, the optical communication unit 111 may transmit the train entry prevention handling switch information and the failure information to the station interface device 106 of the adjacent station.

The optical communication unit 111 may include a power supply unit 121 , an optical communication control unit 123 , and an interface unit 125 . In an exemplary embodiment, the power supply unit 121 and the optical communication control unit 123 of the optical communication unit 111 may be easily provided in the form of a card file for each function. The power supply unit 121 and the optical communication control unit 123 of the optical communication unit 111 may be configured as a standby dual system that automatically switches to a standby system when the user system fails.

The power supply unit 121 may receive power from the power supply unit 119 of the automatic occlusion control device 102 and convert it into power required for each configuration of the optical communication unit 111 and provide it. 4 is a block diagram showing the configuration of the power supply unit 121 according to an embodiment of the present invention.

Referring to FIG. 4 , the power supply unit 121 may include a voltage converter 131 , a voltage monitoring unit 133 , and a power state display unit 135 . The voltage converter 131 may receive commercial power (eg, 220V) from the power supply unit 119 . The voltage converter 131 may convert the received commercial power into a preset voltage (ie, a voltage required for each configuration). The voltage converter 131 includes a first voltage converter 131-1 that converts the received power to a first voltage (eg, DC24V) and converts the received power to a second voltage (eg, DC5V). It may include a second voltage converter 131-2 for converting. The first voltage converter 131-1 may supply the converted first voltage to the control relay unit 115 . The second voltage converter 131 - 2 may supply the converted second voltage to the optical communication controller 123 .

The voltage monitoring unit 133 may monitor the state of the voltage converted by the voltage converting unit 131 and transmit voltage monitoring information to the optical communication control unit 123 . The voltage monitoring unit 133 may include a first voltage monitoring unit 133 - 1 and a second voltage monitoring unit 133 - 2 . The first voltage monitoring unit 133 - 1 may monitor the state of the converted first voltage (eg, DC24V) and transmit the first voltage monitoring information to the optical communication control unit 123 . The first voltage monitoring unit 133 - 1 may output the converted first voltage to the control relay unit 115 . The second voltage monitoring unit 133 - 2 may monitor the state of the converted second voltage (eg, DC5V) and transmit the second voltage monitoring information to the optical communication control unit 123 . The second voltage monitoring unit 133 - 2 may output the converted second voltage to the optical communication control unit 123 .

The voltage state display unit 135 may receive commercial power from the power supply unit 119 and display the state of the input commercial power to be visually confirmed. The voltage state display unit 135 may receive the converted voltage from the voltage converter 131 and display the state of the input converted voltage to be visually confirmed.

Referring back to FIG. 3 , the optical communication control unit 123 may control the overall function of the optical communication unit 111 . 5 is a block diagram showing the configuration of the optical communication control unit 123 according to an embodiment of the present invention. Referring to FIG. 5 , the optical communication control unit 123 may include a monitoring unit 141 , a communication unit 143 , an input/output unit 145 , and a control processing unit 147 .

The monitoring unit 141 may monitor the operating state of each component. The monitoring unit 141 may transmit a seasonal operation request to the control processing unit 147 when a failure occurs.

The communication unit 143 may communicate with the automatic occlusion control device 102 or the reverse interface device 106 of the adjacent occlusion section. The communication unit 143 may receive the signal control information of the automatic occlusion control device 102 in the front and transmit it to the control processing unit 147 . The communication unit 143 receives the self-occlusion related information (eg, self-occlusion signal control information, orbit occupancy information, failure information, etc.) from the control processing unit 147 , and receives the automatic occlusion control device 102 or adjacent information on the rear side. can be transmitted to the station's station interface device 106 .

The input/output unit 145 may function as an interface with an external device. The input/output unit 145 may serve as an interface between the external device and the control processing unit 147 . The input/output unit 145 may receive magnetic occlusion-related information from the control relay unit 115 and the interface unit 125 and transmit it to the control processing unit 147 . The input/output unit 145 may receive handling-related information (eg, handling switch information and failure information, etc.) from the train entry prevention handling switch 104 and transmit it to the control processing unit 147 .

The input/output unit 145 may receive a command from the control processing unit 147 and output corresponding information to an external device. In an exemplary embodiment, the input/output unit 145 receives the signal control information received from the automatic occlusion control unit 102 in the front or the interface unit 106 at the adjacent station from the control processing unit 147 to receive the interface unit 125 . can be output as

The control processing unit 147 may control the self-occlusion-related information to be transmitted to the automatic occlusion control unit 102 at the rear side or the station interface unit 106 at an adjacent station through the communication unit 143 . The control processing unit 147 may perform a seasonal operation when receiving a request for a seasonal operation from the monitoring unit 141 . The control processing unit 147 may transmit the status information of the optical communication control unit 123 and the communication status with the adjacent automatic occlusion control device 102 to the station interface device 106 of the adjacent station.

Referring back to FIG. 3 , the interface unit 125 may interface between the input/output unit 145 of the optical communication control unit 123 , the control relay unit 115 , and the occlusion function monitoring unit 113 . In an exemplary embodiment, the interface unit 125 may be provided in the form of a mother board. 6 is a block diagram showing the configuration of the interface unit 125 according to an embodiment of the present invention.

Referring to FIG. 6 , the interface unit 125 includes a signal control relay unit 151 , a current detection reaction unit 153 , a state detection relay unit 155 , an external fan control interface unit 157 , a rectifier unit 159 , and an occlusion function monitoring interface unit 161 .

The signal control relay unit 151 may include one or more signal control relays (not shown) that operate according to the signal control information received from the optical communication control unit 123 . Here, a signal control relay (not shown) corresponding to the signal condition of the signal control information operates. The signal control relay unit 151 controls the signal of the control relay unit 115 in conjunction with the control relay unit 115 according to the signal condition of the signal control information, thereby operating the occlusion signal unit 122 in the self-occlusion section. . The signal control relay unit 151 may transmit a signal condition of the signal control information to the occlusion function monitoring interface unit 161 for a function monitoring operation.

The current detection reaction unit 153 may include one or more relays (not shown) operating in response to the state information of the occlusion signal received from the control relay unit 115 . The current detection reaction unit 153 operates a relay of a condition corresponding to the state information of the occlusion signal 122, and processes each state information in series with the condition of the control relay unit 115 to process the state detection relay unit 155 ) can be provided. The current detection reaction unit 153 may transmit a corresponding condition to the occlusion function monitoring interface unit 161 for each monitoring information processing.

The state detection relay unit 155 may include a plurality of state detection relays operating in response to the power state information. In an exemplary embodiment, the state detection relay unit 155 includes a first state detection relay 155-1, a second state detection relay 155-2, a third state detection relay 155-3, and a fourth It may include a state detection relay (155-4). The first state detection relay 155 - 1 may be operated when the blockage signal fails according to the condition of the current detection reaction unit 153 . The second state detection relay 155 - 2 may be operated when the power supply unit 119 fails according to the condition of the power supply unit 119 . The third state detection relay 155 - 3 may be operated when the power supply unit 121 fails according to the condition of the power supply unit 121 . The fourth state detection relay 155 - 4 may be operated when the fuse unit (not shown) fails according to the condition of the fuse unit (not shown). The state detection relay unit 155 may output a failure information condition to the optical communication control unit 123 as a serial condition of various failures and state information. The state detection relay unit 155 may transmit a corresponding condition to the occlusion function monitoring interface unit 161 for each monitoring information processing.

The external fan control interface unit 157 receives commercial power (eg, 220V) from the power supply unit 119 and outputs external fan control power (eg, DC 24V) to the external fan control unit 127 . can

The rectifying unit 159 may receive commercial power from the power supply unit 119 and convert it into a preset third voltage (eg, DC 60V). The rectifying unit 159 may supply the third voltage to the control relay unit 115 to be used as a signal light power source. The rectifying unit 159 may transmit the state of the third voltage to the occlusion function monitoring interface unit 161 .

The occlusion function monitoring interface unit 161 may interface with the occlusion function monitoring unit 113 . The occlusion function monitoring interface unit 161 includes each of the signal control relay unit 151 , the current detection reaction unit 153 , the state detection relay unit 155 , the rectifier unit 159 , and the control relay unit 115 . The state information may be provided to the occlusion function monitoring unit 113 .

Referring back to FIG. 3 , the occlusion function monitoring unit 113 includes various state information from the power supply unit 119 , the track circuit unit 117 , the optical communication control unit 123 of the optical communication unit 111 , and the interface unit 125 . can be obtained. The occlusion function monitoring unit 113 may transmit the acquired state information to the station interface device 106 of an adjacent station through the optical communication unit 111 .

7 is a block diagram showing the configuration of the occlusion function monitoring unit 113 according to an embodiment of the present invention. Referring to FIG. 7 , the occlusion function monitoring unit 113 may include an analog detection unit 171 , a digital detection unit 173 , an optical communication receiving unit 175 , and a monitoring control unit 177 .

The analog detection unit 171 may collect voltage and current values of the occlusion signal 122 . The analog detection unit 171 may collect voltage and current values of the power supply unit 119 . The analog detection unit 171 may transmit the collected voltage and current values to the monitoring control unit 177 .

The digital detection unit 173 may collect contact information and failure information of various relays from the interface unit 125 . The digital detection unit 173 may transmit the collected information to the monitoring control unit 177 .

The optical communication receiving unit 175 may receive the state information of the optical communication unit 111 and information related to train entry prevention handling (handling switch information and failure information, etc.) from the optical communication unit 111 and transmit it to the monitoring control unit 177 . The optical communication receiver 175 may collect orbit circuit information from the orbit circuit unit 117 and transmit it to the monitoring control unit 177 .

The monitoring control unit 177 transmits the information received from the analog detection unit 171 , the digital detection unit 173 , and the optical communication receiver 175 to the station interface device 106 of an adjacent station through the optical communication unit 111 . can

Referring back to FIG. 3 , the control relay unit 115 includes an occlusion signal 122 and an Automatic Train Stop (ATS)/Automatic Train Protection (ATP) 124 according to the signal control information of the front occlusion and the orbit occupancy information of the self-occlusion. ) can be controlled. 8 is a block diagram showing the configuration of the control relay unit 115 according to an embodiment of the present invention.

Referring to FIG. 8 , the control relay unit 115 includes a signal control unit 181 , a trajectory response unit 183 , a signal display unit 185 , an ATS/ATP control unit 187 , an optical communication interface unit 189 , and occlusion. It may include a function monitoring interface unit 191. The control relay unit 115 may receive a first voltage (eg, DC24V) from the power supply unit 121 .

The signal controller 181 may process a signal for controlling the occlusion signal 122 and the Automatic Train Stop (ATS)/Automatic Train Protection (ATP) 124 . The signal control unit 181 is a blockage signal 122 and ATS (Automatic) according to the track occupancy information (ie, train detection condition) of the track reaction unit 183 and the signal display condition received from the automatic occlusion control device 102 in front. Train Stop)/ATP (Automatic Train Protection) 124 can be controlled through the signal display unit 185, and the signal display can be controlled to be transmitted through the optical communication unit 111 to the rear automatic occlusion control device 102. have.

The orbit reaction unit 183 may include a relay operating in response to the orbit occupancy information obtained from the orbit circuit unit 117 . The track reaction unit 183 may transmit operation information of the relay operated by the track circuit unit 117 to the signal control unit 181 .

The signal display unit 185 may control the occlusion signal 122 according to the signal condition of the signal control unit 181 . The signal display unit 185 may include a fuse unit 185a, a signal interworking unit 185b, and a signal current detection unit 185c. The fuse unit 185a may receive DC power as power for controlling the occlusion signal 122 . The signal interworking unit 185b may control the occlusion signal 122 according to a signal condition of the signal control unit 181 . When the signal linkage unit 185b controls the occlusion signal 122, the signal current detection unit 185c may check whether the traffic lights of each occlusion signal 122 operate normally. The signal current detection unit 185c may use a current detection relay that is treated as a failure when the current is detected below a certain level.

The ATS/ATP controller 187 may interface with the ATS/ATP for train control according to a signal condition of the signal controller 181 .

The optical communication interface unit 189 may receive signal control information of front occlusion from the optical communication unit 111 to control signal display through the signal control unit 181 .

The occlusion function monitoring interface unit 191 may provide the operation state of the signal control unit 181 to the occlusion function monitoring unit 113 through the optical communication unit 111 .

Referring back to FIG. 3 , the orbit circuit unit 117 may acquire orbit occupancy information within the self-occlusion (ie, the occlusion section of the corresponding automatic occlusion control device 102 ). The track circuit unit 117 may detect whether the self-occlusion section of the train is occupied by using an electric circuit for detecting the train on the rail.

The power supply unit 119 may supply power to the automatic occlusion control device 102 . In an exemplary embodiment, the power supply unit 119 may receive two power sources of the main power source 126 and the sub power source 128 , and may supply power through duplication. That is, the power supply unit 119 may supply power by switching to the sub power source 128 when the main power source 126 fails. The power supply unit 119 may transmit state information to the interface unit 125 of the optical communication unit 111 when the main power supply fails.

Meanwhile, the automatic occlusion control device 102 may be provided in the automatic occlusion control device enclosure 102a. The automatic occlusion control device enclosure 102a may be made of a heat-dissipating material and structure. An external fan (not shown) and an external fan control unit 127 may be installed on one side of the automatic occlusion control device enclosure 102a. The external fan control unit 127 may sense a temperature in the automatic occlusion control device enclosure 102a and operate an external fan (not shown) when the temperature is higher than a preset temperature.

9 is a block diagram showing the configuration of the train entry prevention handling switch 104 according to an embodiment of the present invention.

Referring to FIG. 9 , the train entry prevention handling switch 104 may include a main handling switch 104a and an emergency handling switch 104b. The main handling switch 104a excites the orbital reaction relay of the corresponding occlusion section through the input/output unit 145 of the optical communication unit 111 during handling, so that the occlusion signal 122 displays a stop.

The emergency handling switch 104b may operate in place of the main handling switch 104a as an emergency when the main handling switch 104a fails. The emergency handling switch 104b may excite the orbital reaction relay of the blocked section through the input/output unit 145 of the optical communication unit 111 when the orbital reaction relay is not excited due to a failure of the main handling switch 104a.

In the disclosed embodiment, each component represents functionally distinct functional elements, and may be functionally connected to each other in order to perform a function according to the present invention, and any one or more components may be implemented physically integrated with each other. have.

Although representative embodiments of the present invention have been described in detail above, those of ordinary skill in the art will understand that various modifications are possible without departing from the scope of the present invention with respect to the above-described embodiments. . Therefore, the scope of the present invention should not be limited to the described embodiments and should be defined by the claims described below as well as the claims and equivalents.

100: automatic occlusion control system
102: automatic occlusion control device
104: train entry prevention handling switch
104a: main handling switch
104b: emergency handling switch
106: reverse interface device
108: electronic interlocking device
111: optical communication department
113: occlusion function monitoring unit
115: control relay unit
117: track circuit part
119: power supply unit
121: power supply
122: occlusion signal
123: optical communication control unit
124 : ATS/ATP
125: interface unit
126: main power
127: external fan control unit
128: sub power
131: voltage converter
131-1: first voltage converter
131-2: second voltage converter
133: voltage monitoring unit
133-1: first voltage monitoring unit
133-2: second voltage monitoring unit
135: power status display unit
141: monitoring unit
143: communication department
145: input/output unit
147: control processing unit
151: signal control relay unit
153: current detection reaction unit
155: state detection relay unit
155-1: first state detection relay
155-2: second state detection relay
155-3: 3rd state detection relay
155-4: 4th state detection relay
157: external fan control interface unit
159: rectifier
161: occlusion function monitoring interface unit
171: analog detection unit
173: digital detection unit
175: optical communication receiver
177: monitoring control unit
181: signal control
183: orbital reaction unit
185: signal display
187: ATS/ATP control unit
189: optical communication interface unit
191: occlusion function monitoring interface unit

Claims (10)

As an automatic occlusion control device,
Orbit circuit unit for acquiring orbit occupancy information within the self-occlusion section;
a control relay unit for controlling at least one of an occlusion signal and an Automatic Train Stop (ATS)/Automatic Train Protection (ATP) according to signal control information of the front occlusion section and track occupation information of the self-occlusion section; and
The signal control information of the front occlusion section is received through optical communication, the signal control information of the self-occlusion section is transmitted to the rear occlusion section through optical communication, and the orbit occupancy information and fault information in the self-occlusion section are adjacent through optical communication. An optical communication unit including an optical communication control unit for transmitting to the station interface device and an interface unit for performing an interface between the optical communication control unit and the control relay unit,
The optical communication control unit,
a communication unit configured to perform optical communication with the automatic occlusion control device of the front occlusion section, the automatic occlusion control device of the rear occlusion section, and the station interface device of the adjacent station;
Receives magnetic occlusion related information including signal control information, track occupancy information, and failure information of the self-occlusion section from the control relay unit and the interface unit, and includes handling switch information and failure information from the train entry prevention handling switch an input/output unit for receiving handling-related information;
a monitoring unit for monitoring the operation state of the communication unit and the input/output unit, and generating a request for a changeover operation when a failure occurs; and
controlling to transmit the self-occlusion-related information and the handling-related information to at least one of the reverse occlusion section and the station interface device of the adjacent station through the communication unit, and performing a seasonal switching operation when the request for the switching operation is generated An automatic occlusion control device comprising a control processing unit.
The method according to claim 1,
The automatic occlusion control device,
a power supply unit for supplying power to the automatic occlusion control device; and
An occlusion function monitoring unit that collects state information from the track circuit unit, the control relay unit, the optical communication unit, and the power supply unit, respectively, and transmits each collected state information to the station interface device of an adjacent station through the optical communication unit, further Including, automatic occlusion control device.
3. The method according to claim 2,
The optical communication unit,
The automatic occlusion control apparatus further comprising a power supply unit receiving power from the power supply unit and converting the supplied power into one or more preset voltages.
4. The method according to claim 3,
The optical communication unit,
Automatic blocking, which receives handling-related information including handling switch information and failure information from a train entry prevention handling switch, and transmits the received handling-related information to a station interface device of the rear blocked section or the adjacent station through optical communication control device.
4. The method according to claim 3,
The power supply unit,
a voltage converter converting the power supplied from the power supply unit into a preset voltage;
a voltage monitoring unit generating voltage monitoring information by monitoring the state of the voltage converted by the voltage converting unit, and transmitting the generated voltage monitoring information to the optical communication control unit; and
The power supply unit and the voltage conversion unit receive the power and the converted voltage, respectively, and include a voltage state display unit for visually confirming the state of the power and the state of the converted voltage. control device.
6. The method of claim 5,
The voltage converter,
a first voltage converter converting the received power into a preset first voltage and supplying the converted first voltage to the control relay unit; and
and a second voltage converter for converting the supplied power into a second voltage different from the first voltage, and supplying the converted second voltage to the optical communication controller,
The voltage monitoring unit,
a first voltage monitoring unit generating first voltage monitoring information by monitoring the state of the converted first voltage, and transmitting the generated first voltage monitoring information to the optical communication control unit; and
and a second voltage monitoring unit for generating second voltage monitoring information by monitoring the state of the converted second voltage, and transmitting the generated second voltage monitoring information to the optical communication control unit.
delete The method according to claim 1,
The train entry prevention handling switch,
a main handling switch that energizes the orbital response relay of the corresponding occlusion section during handling so that the occlusion signal indicates a stop; and
An emergency handling switch operated when the main handling switch fails,
When handling the main handling switch or the emergency handling switch, handling switch information is transferred to the input/output unit, and when the main handling switch fails, failure information is transferred to the input/output unit.
3. The method according to claim 2,
The occlusion function monitoring unit,
monitoring control unit;
an analog detection unit that collects voltage and current values of the occlusion signal, collects voltage and current values of the power supply unit, and transmits the collected voltage and current values to the monitoring control unit;
a digital detection unit that collects contact information and failure information of each relay from the interface unit and transmits it to the monitoring control unit; and
and an optical communication receiving unit for receiving the state information and the handling related information of the optical communication unit from the optical communication unit, and receiving the orbit occupancy information from the orbit circuit unit and transmitting the information to the monitoring control unit,
wherein the monitoring control unit transmits information received from the analog detection unit, the digital detection unit, and the optical communication receiver to the station interface device of the adjacent station through the optical communication unit.
At least one of an occlusion signal and ATS (Automatic Train Stop)/ATP (Automatic Train Protection) according to the track circuit unit for acquiring track occupancy information within the self-occlusion section, signal control information for the front occlusion section, and track occupancy information for the self-occlusion section a control relay unit for controlling an automatic occlusion control device including an optical communication unit having an interface unit for performing an interface between the control relay units;
a station interface device installed at a station adjacent to the automatic occlusion control device and configured to receive track occupancy information and failure information in the self-occlusion section through optical communication from the optical communication unit; and
Including a train entry prevention handling switch that excites the track reaction relay of the blocked section during handling so that the blockage signal displays a stop,
The train entry prevention handling switch transmits handling switch information to the optical communication unit during handling, and transmits failure information to the optical communication unit in case of failure,
The reverse interface device receives the handling switch information and the failure information from the optical communication unit through optical communication,
The optical communication control unit,
a communication unit configured to perform optical communication with the automatic occlusion control device of the front occlusion section, the automatic occlusion control device of the rear occlusion section, and the station interface device of the adjacent station;
Receives magnetic occlusion related information including signal control information, track occupancy information, and failure information of the self-occlusion section from the control relay unit and the interface unit, and includes handling switch information and failure information from the train entry prevention handling switch an input/output unit for receiving handling-related information;
a monitoring unit for monitoring the operation state of the communication unit and the input/output unit, and generating a request for a changeover operation when a failure occurs; and
controlling to transmit the self-occlusion-related information and the handling-related information to at least one of the reverse occlusion section and the station interface device of the adjacent station through the communication unit, and performing a seasonal switching operation when the request for the switching operation is generated An automatic occlusion control system comprising a control processing unit.

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