JP2015178354A - Railway light emitter controller, railway light emitter, railway light emitter control system, and visibility confirmation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable existing cables to be used as they are in order to confirm whether a special signal light emitter is visible.SOLUTION: Each relay operates on the basis of a red light emission command or a visibility confirmation light emission command. A red light emission control part 82 is configured to: when the red light emission command is provided, generate a signal for an LED 45 to emit light and output it as a forward current; and, when the red light emission command is not provided, always output a backward current and perform disconnection detection on the basis of whether the current is flowing or not. When the visibility confirmation light emission command is provided and the red light emission command is not provided, a visibility confirmation light emission control part 84 outputs a backward current having a different voltage, frequency or signal waveform than the disconnection detection signal. The LED 45 emits blinking red light with the forward current, and a light-emitting element 112 emits light in a prescribed pattern with a backward current that is different, according to determination by a visibility confirmation signal determination part 111, from the disconnection detection current.

Description

  The present invention relates to a railway light emitter control device, a railway light emitter, a railway light emitter control system, and a visual confirmation system.

  Railway light emitters such as special signal light emitters, railway traffic lights, cues, and signs transmit the current indication (representing signals and instructions) to train operators by turning on or off the colored lights. Device. The current indication is transmitted by the train operator by visually confirming the lighting or extinction of the color lights of railway light emitters such as special signal light emitters, railway traffic lights, signal devices, or signs. If the driver overlooks the signal, it is dangerous because the indication is not transmitted correctly. Moreover, special light emitters, railway traffic lights, cues, and railway light emitters such as signs are built beside the track, so there is a problem that the installation location is limited.

  Even now, it is still possible for a train operator to visually check current information on lighting or extinguishing of color lights of special light emitters, railway traffic lights, cues, or signs, etc. It is an indispensable information transmission method for train operation. For that reason, special light emitters, railway traffic lights, cues, and signs such as signposts that convey the indications to the train driver, etc. It must be erected so that the direction of light emission of the colored lamp is in an appropriate direction so that it can be visually recognized. In addition, there must be no obstacles such as trees that block light on the optical path connecting the railway light emitting device such as the special signal light emitting device, the railway traffic signal, the signal device, or the sign and the viewing point. In addition, if the optical path is unavoidably blocked by some kind of obstacle, railway light emission such as a special signal light emitter for relay, a traffic light for railway, a signal device, or a sign for relaying information such as indications We are taking measures such as installing more machines.

  For this purpose, it is important to confirm that the special approvals for railroad light emitters such as special signal light emitters, railway traffic lights, cues, and signs are properly secured. It is carried out manually by placing workers at each of the building and viewing points of railway light emitting devices such as railway traffic lights, signal devices, or signs. Workers at the planting point look at the direction of the viewing point from the viewing approval confirmation peepholes attached to special light emitters, railway traffic lights, cues, or signage or other railway light emitters. Adjust the approximate angle of the light emission direction. After that, if the worker at the viewing point can visually check the lighting or extinction of the color light of the special light emitter, railway traffic light, signal device, or sign, etc., the special signal light emitter, railway Confirm that the approval of viewing permission for light emitting devices for railways such as traffic lights, signals, or signs is acceptable. If it was not visible, it can be said that the visual approval of railway light emitters such as special signal light emitters, railway traffic lights, signal devices, or signs is no, so check whether there are obstacles on the optical path, Remove it if it exists. If there are no obstacles, contact the workers at the planting site with a mobile phone or radio, etc., and adjust the light emission direction of special light emitters, railway traffic lights, cues, or signs, etc. To do. The adjustment of the light emission direction is performed by a worker at the planting point performing fine adjustment while looking into the direction of the visual recognition point from the peephole or by visual confirmation from the visual confirmation viewpoint. Confirmation of the visual approval of railway light emitters such as special signal light emitters, railway traffic lights, cues, and signs so far involves such manual work and visual confirmation by workers. There is a problem that work efficiency is poor.

  Therefore, in order to prevent the train driver from being affected, there is no need to actually turn on or extinguish the traffic light etc. without using special signal light emitters, railway traffic lights, cues, or signs. An infrared light emitter that is attached to a railway light emitter, such as a special signal light emitter, a railway traffic light, a signal device, or a sign, and that emits a confirmation bit pattern infrared light, There is a technique for determining the identity between a light emission pattern obtained by image processing of an image captured by an infrared video camera and a bit pattern for confirmation using an infrared video camera that captures the infrared light emission (for example, a patent) Reference 1).

  Further, in the case of using the technique described in Patent Document 1 described above, the target railway traffic signal, signal device, or signal from among a plurality of adjacent traffic signal signals, signal devices, or signs and other noise components, There is a technology that enables confirmation of whether or not a sign is approved for viewing (for example, Patent Document 2).

Japanese Patent No. 4925987 JP 2010-173597 A

  As shown in FIG. 1, the apparatus for confirming whether or not a railway traffic signal is approved for viewing described in Patent Document 1 and Patent Document 2 is configured so that the visual distance of the railway traffic signal 4 installed in the vicinity of the track 5 is It is a device that automatically confirms with the confirmation device 1. The viewing point A is a predetermined viewing distance from the building point B of the railway traffic signal 4, that is, a point on the track 5 that is 600 m or 800 m away. The confirmation device 1 detects the infrared rays 3 blinking in a predetermined pattern of the infrared light emitters 2 attached to the railway traffic signal 4 and confirms whether or not the visual approval is permitted. The confirmation device 1 is a portable type, and the worker holds the confirmation device 1 at the visual recognition point A and performs confirmation work. Alternatively, the confirmation device 1 is mounted on a test train, and the test train is temporarily stopped at the viewing point A, and an operator operates the confirmation device 1 to perform confirmation work.

  FIG. 2 is a block diagram showing the configuration of the confirmation device 1 and the infrared emitter 2. The confirmation device 1 includes an infrared video camera 11, an A / D conversion unit 12, and an image data storage unit 13. The confirmation device 1 further includes an image processing unit that performs image processing on the image data stored in the image data storage unit 13 and determines whether the railroad traffic signal is approved for viewing. The image processing unit includes a control unit 14 that performs arithmetic control according to a program, an input unit 15 that inputs various data, a setting unit 16 that performs various settings for arithmetic control, and a program storage unit 17 that stores an arithmetic control program. The data storage unit 18 stores various data and the display unit 19 such as a liquid crystal display panel.

  The infrared light emitter 2 is a device that generates infrared light emission 3 of a predetermined confirmation bit pattern, generates an infrared light emitting element 21 such as a highly directional infrared LED, and a predetermined confirmation bit pattern signal. The pattern signal generating circuit 22 is configured to cause the infrared light emitting element 21 to flash and emit light according to the signal. Although not shown, the pattern signal generation circuit 22 includes a storage unit that stores an ID blinking pattern and a calculation control program, and a control unit that performs calculation processing according to the calculation control program.

  By using the technology described in Patent Document 1, an infrared light emitter that is attached to a railway traffic signal, a signal device, or a sign and that emits infrared light of a confirmation bit pattern, and photographs the infrared light emission at a viewing point By using an infrared video camera, it is possible to determine the identity between a light emission pattern obtained by performing image processing on an image captured by the infrared video camera and a confirmation bit pattern. In addition, by using the technique described in Patent Document 2, confirmation of whether or not the target railway traffic signal is approved from among a plurality of adjacent railway traffic signals and other noise components can be performed at a viewing point, daytime, etc. It is possible to confirm whether the target railway traffic signal is approved or not from a plurality of adjacent railway traffic signals or other noise components at the viewing point even in a generally bright situation or a dark situation such as evening.

  Conventional railway traffic lights 4 and railway light emitters such as special signal light emitters control railway light emitters 4 such as railway traffic lights 4 and special signal light emitters that are housed in an instrument box near the railroad crossing. It is constructed by connecting with a controller for doing so with a pair of cables. The cable is housed in a signal trough. A signal trough is an elongate bowl-shaped track housing material made of concrete, ceramics, or FRP (Fiber Reinforced Plastics) that is laid along the track to store the wires. To protect the cable, it cannot be moved easily.

  For example, in order to confirm the visibility of the railway traffic signal 4 described in Patent Literature 1 or Patent Literature 2, an infrared light emitter is provided in the vicinity of the railway traffic signal 4 (for example, an upper portion of the railway traffic signal 4 as shown in FIG. 1). 2 and a controller for the infrared light emitter 2 is added to the instrument box, or a new signal light emitter having both functions of the railroad traffic light 4 and the infrared light emitter 2 is constructed in place of the railroad traffic light 4 In addition to planting, it is necessary to install a controller for controlling the signal light emitter instead of the controller for controlling the railway traffic signal 4 housed in the instrument box.

  When an infrared light emitting device 2 and a controller for the infrared light emitting device 2 are additionally installed to a control system for controlling a light emitting device for a railroad such as a current railway light signal device or a special signal light emitting device, the infrared light emitting device 2 And a cable for connecting the controller for the infrared light emitter 2 need to be newly laid. In addition to the current railway traffic lights, special signal light emitters, and other control systems that control railway light emitters, the new railway light trains replace the current railway traffic lights 4 and special signal light emitters. When installing a controller to control a new railway light emitter in place of a controller to control the current railway light emitter, when building a light emitter, emit a railway signal or stop indication light emission. It was necessary to re-lay two or more pairs of cables for transmitting a conventional signal for commanding and a new signal for emitting infrared rays.

  Cable facility construction is difficult to automate and is still performed manually by people. Further, in order to newly lay or re-lay the cable, it is necessary to once open and close the lid of the signal trough, which is a time-consuming work. That is, the cable facility construction is very expensive.

  Therefore, the present invention solves the above-described problem, that is, when adding a function for confirming whether or not a railway light-emitting device is approved for viewing to the existing special signal light-emitting controller and special signal light-emitting device, Can be used as is, and the middle stage of the transition of the railway light-emitting device control system (only one of the light-emitting device or the controller or only a part of the light-emitting device or the controller is installed) Provided a railroad light emitter control device, a railroad light emitter, a railroad light emitter control system, and a visual confirmation system that do not affect the functions of the current railroad light emitter control system even at a stage that is not known. The purpose is to do.

  In order to solve the above-described problem, the first aspect of the railway light-emitting device controller according to the present invention outputs the first signal for controlling the lighting of the first light-emitting unit and does not output the first signal. In this case, the first light emission control means for performing the disconnection detection process based on whether or not the current in the direction opposite to that of the first signal flows through the cable and the railway light emitting device is opposite to the first signal. A second light emission control means for generating and outputting a second signal for controlling the lighting of the second light emitting unit, which is distinguishable from the current for performing the disconnection detection process, and a cable in a direction Switching means for switching the signal supplied to the railway light-emitting device via the first signal from the first light emission control means and the second signal output from the second light emission control means; It is characterized by providing.

  According to another aspect of the railway light emitting device control apparatus of the present invention, the second light emission control means turns on the second light emitting unit with a voltage value different from that of the power source that generates a current for performing the disconnection detection processing. A second signal to be controlled is generated and output.

  In another aspect of the railway light emitting device control apparatus of the present invention, the second light emission control means controls the lighting of the second light emitting unit using a signal waveform different from the current for performing the disconnection detection processing. A second signal is generated and output.

  According to another aspect of the railroad light emitter control device of the present invention, the second light emission control means controls the lighting of the second light emitting unit at a frequency different from the current for performing the disconnection detection processing. A signal is generated and output.

  In another aspect of the railway light emitting device control apparatus according to the present invention, the second light emission control means includes a plurality of oscillation means for oscillating different frequencies, and a second signal for controlling lighting of the second light emitting unit. Is generated and output at a plurality of frequencies different from the current for performing the disconnection detection process.

  In another aspect of the railway light emitting device control apparatus according to the present invention, the first signal generation means receives the first input commanding the generation of the first signal, generates the first signal, and generates the second signal. The signal generating means receives the second input commanding the generation of the second signal, generates the second signal, and the second input is the second input when the first input is generated. It is not supplied to the signal generation means.

  Another aspect of the railway light emitting device control apparatus according to the present invention is characterized in that the second signal generating means generates a signal pattern for causing the second light emitting unit to blink and emit light in a predetermined pattern.

  Another aspect of the railway light emitting device control apparatus according to the present invention is characterized in that the predetermined pattern is a pattern for transmitting information that can uniquely distinguish each of the light emitting machines for the railway.

  The first aspect of the railway light-emitting device of the present invention includes a first light-emitting means that emits light based on a current in a first direction, and a current passage that allows a current in a second direction different from the first direction to pass therethrough. Means, selective means for selectively passing a current in a second direction that meets a predetermined condition, and light emission by the first light emitting means by the current in the second direction selectively passed by the selection means And second light emitting means for emitting light with distinguishable light.

  The other aspect of the railroad light emitter of the present invention is always in a predetermined condition except that a current in a first direction and a current in a second direction that matches the predetermined condition are supplied. When the current in the second direction that does not match is supplied and the current in the second direction that does not match the predetermined condition is received, the current passing means passes the current in the second direction, and the selecting means The current in the second direction is not allowed to pass through the second light emitting means.

  In another aspect of the railroad light emitting device of the present invention, the predetermined condition is that the voltage is equal to or higher than a predetermined voltage value, and the selection unit allows the current in the second direction equal to or higher than the predetermined voltage value to pass therethrough. The second light emitting means emits light.

  In another aspect of the railway light-emitting device of the present invention, the predetermined condition is that the signal has a predetermined signal waveform, and the selecting means allows the current in the second direction having the predetermined signal waveform to pass through the first condition. The second light emitting means emits light.

  In another aspect of the railway light-emitting device of the present invention, the predetermined condition is that the predetermined light source has a predetermined frequency, and the selection unit allows the second direction electric current having the predetermined frequency to pass through the second direction. The light emitting means emits light.

  Another aspect of the railway light emitting device according to the present invention generates a signal pattern for causing the second light emitting unit to flash in a predetermined pattern with respect to the current in the second direction selectively passed by the selecting means. And a signal pattern generating means.

  A first aspect of the railway light emitting device control system according to the present invention is the first light emitting means in which the railway light emitting device emits light based on the current in the first direction, and the second direction different from the first direction. Current passing means for passing a current in a direction, selection means for selectively passing a current in a second direction that meets a predetermined condition, and current in a second direction selectively passed by the selecting means. And a second light emitting means that emits light that is distinguishable from the light emitted by the first light emitting means, and the railway light emitting device control device outputs a first signal for controlling lighting of the first light emitting means to the first light emitting means. If the first signal is not output, the first light emission that performs disconnection detection processing based on whether or not the current in the direction 2 flows to the cable and the railroad light emitter is output. The control means and the current in the second direction, and the disconnection detection processing is performed. A second light emission control means for generating and outputting a second signal for controlling the lighting of the second light emitting means, which can be distinguished from the current for the current, and a signal supplied to the railway light emitter via the cable Switching means for switching between the first signal output from the first light emission control means and the second signal output from the second light emission control means.

  In another aspect of the railway light emitting device control system according to the present invention, the railway light emitting device control apparatus has a predetermined current as a current for performing the disconnection detection process unless the first signal and the second signal are output. When a current that does not meet the above conditions is always output and the railroad light emitter receives a supply of current for disconnection detection processing, the current passing means passes the current in the second direction. The selecting means does not pass the current in the second direction with respect to the second light emitting means.

  The first aspect of the visual confirmation system of the present invention is that a railway light-emitting device emits light based on a current in a first direction, and a current in a second direction different from the first direction. A current passing means for passing a current, a selecting means for selectively passing a current in a second direction that meets a predetermined condition, and a supply of a current in a second direction selectively passed by the selecting means, The light emitting device controller for railroad that includes second light emitting means that emits light in a predetermined light emission pattern, which is distinguishable from the light emitted by the first light emitting means, controls the railroad light emitter. When the first signal for controlling the lighting of the means is output by the current in the first direction and the first signal is not output, whether the current in the two directions flows to the cable and the railroad light emitter. First light emission control means for performing disconnection detection processing based on whether or not, A second light emission control means for generating and outputting a second signal for controlling the lighting of the second light emission means, which is distinguishable from the current for performing the disconnection detection process, the current being in the direction of 2; Switching the signal supplied to the railway light-emitting device via the cable between the first signal output from the first light emission control means and the second signal output from the second light emission control means And detecting the light emission pattern of the second light emitting means of the railway light emitting device, thereby confirming that the lighting or extinguishing of the first light emitting means of the railway light emitting device can be reliably seen from the viewing point. The confirmation device performs image processing on a storage unit that stores a light emission pattern of the second light emitting unit of the railway light emitting device, an imaging unit that captures lighting of the second light emitting unit, and an image captured by the imaging unit, Captured light emission pattern and storage means Characterized in that it comprises a determination means for determining identity between the emission pattern of the second light-emitting means which is more stored.

  According to another aspect of the visual confirmation system of the present invention, the railroad light-emitting device control device has a predetermined condition as a current for performing a disconnection detection process unless the first signal and the second signal are output. When the current that does not match is always output and the railway light emitter receives the supply of current for disconnection detection processing, the current passing means passes the current in the second direction and is selected. The means is characterized in that current in the second direction does not pass through the second light emitting means.

  According to the present invention, it is possible to use an existing cable as it is when adding a function for confirming whether or not to permit the visual approval of a railway light emitting device to the special signal light emitting device controller and the special signal light emitting device, Even in the middle of the transition of the railway light emitter control system, the function of the current railway light emitter control system is not affected.

It is a figure for demonstrating the conventional confirmation apparatus and infrared rays light-emitting device. It is a figure for demonstrating the conventional confirmation apparatus and infrared rays light-emitting device. It is a figure which shows the external appearance structure of the controller for special signal light emitters. It is a figure which shows the external appearance structure of the special signal light-emitting device which has only the function of red light emission. It is a figure for demonstrating the special signal light-emitting device which has only the function of red light emission, and the controller for special signal light-emitting devices. It is a figure for demonstrating the special signal light-emitting device which has only the function of red light emission, and the controller for special signal light-emitting devices. It is a figure for demonstrating the special signal light-emitting device control system to which the function which confirms the visual approval permission of a special signal light-emitting device was added. It is a figure for demonstrating especially the signal light emitter and the controller for special signal light emitters which added the function which confirms the visual approval approval of a special signal light emitter. It is a figure for demonstrating the controller for signal light emitters and special signal light emitters which made it possible to distinguish a signal for detecting disconnection and a signal for causing a light emitting element to emit light based on a voltage value. It is a figure for demonstrating especially the controller for signal light emitters and special signal light emitters which enabled it to distinguish the signal for disconnection detection, and the signal for making a light emitting element light-emit based on a frequency. It is a figure for demonstrating especially the controller for signal light emitters and special signal light emitters which enabled it to distinguish the signal for disconnection detection, and the signal for making a light emitting element light-emit based on a frequency. It is a figure for demonstrating the example of a different structure of the signal light transmitter with which the function which confirms the visual approval approval of a special signal light emitter was added, and the controller for special signal light emitters. It is a figure for demonstrating the example of an external appearance structure of the especially signal light emitter to which the function which confirms the visual approval approval of a special signal light emitter was added. It is a figure for demonstrating the example of a different structure of the signal light transmitter with which the function which confirms the visual approval approval of a special signal light emitter was added, and the controller for special signal light emitters. It is a figure for demonstrating the example of an external appearance structure of the especially signal light emitter to which the function which confirms the visual approval approval of a special signal light emitter was added. It is a figure for demonstrating the example of a structure of the circuit housing for addition for adding the function which confirms the visual approval approval of a special signal light-emitting device. It is a figure for demonstrating the example of a structure of the circuit housing for addition for adding the function which confirms the visual approval approval of a special signal light-emitting device. It is a figure for demonstrating the example of a structure of the circuit housing for addition for adding the function which confirms the visual approval approval of a special signal light-emitting device. It is a figure for demonstrating the example of a structure of the circuit housing for addition for adding the function which confirms the visual approval approval of a special signal light-emitting device. It is a flowchart for demonstrating the signal inspection process of a confirmation apparatus.

  Hereinafter, a railroad light emitter control system according to an embodiment of the present invention will be described with reference to FIGS. The railway light-emitting device refers to various light-emitting devices that emit light for a railway signal or stop indication, such as a special signal light-emitting device, a railway signal device, a signal device, or a sign.

  Here, a special signal light emitter control system capable of confirming the visibility of a special signal light emitter that transmits information such as an abnormality occurring at a railroad crossing to a driver or the like will be described as an example. The special signal light emitting device that informs the driver, etc., that an abnormality has occurred at a railroad crossing, etc., is not lit when there is no abnormality, etc., and informs the driver, etc., that an abnormality has occurred. Only when it is turned on or flashing with light that can be confirmed by the driver (for example, red light emission).

  The special signal light emitters are located at a position where the light emission state of the special signal light emitter can be confirmed from any distance within a predetermined first distance (for example, 800 m) referred to as a viewing distance from each level crossing. Must be installed. In addition, when each special signal light emitter is provided with a relay, the relay special signal light emitter for multiple railroad crossings may be used in common, but sharing is prohibited for special signal light emitters that are not relays. Therefore, a different special signal light emitter must be used for each level crossing.

  Therefore, when a plurality of level crossings are close to each other, special signal light emitters for indicating the state of each level crossing are also set close to each other. In particular, when a plurality of level crossings are close and there is a sharp curve, the light emission state of the special signal light emitter can be confirmed from any distance within a predetermined first distance (for example, 800 m). In order to do so, it is necessary to install many special signal light emitters close to each other in order to indicate the state of each of the plurality of level crossings.

  The special signal light emitting device has a controller 31 for special signal light emitters whose appearance is shown in FIG. 3 (in FIG. 3, a controller 31-1 for special signal light emitters and a controller for special signal light emitting devices having different external shapes). 31-2) and a special signal light emitter 41 whose appearance is shown in FIG. Here, the special signal light-emitting device 41 is a blinking type, and the LED 45 arranged on the front surface of the special signal light-emitting device 41 emits red light and blinks, thereby transmitting information such as an abnormality occurring at a railroad crossing to a driver or the like. As shown in FIG. 5, the special signal light emitter controller 31 is installed in an instrument box 51 installed in the vicinity of the railroad crossing, and the special signal light emitter 41 is several meters to several hundred meters away from the instrument box 51. It is installed at a predetermined point.

  A special signal light emitter controller 31 and a special signal light emitter 41 for transmitting information such as a conventional abnormality such as a railroad crossing to a driver or the like are connected by a pair of cables 52. The circuit configuration diagram is shown in FIG. When an abnormality or the like occurs at a crossing or the like and the LED 45 of the special signal light emitter emits red light, a current flows as shown by a solid line in FIG. In a steady state, a current flows through a reverse circuit as shown by a dotted line through the diode 61 and the cable 52 is checked for disconnection.

  In order to confirm that the driver can surely recognize that the LED 45 of the special signal light emitting device emits red light, the control for the special signal light emitting device described with reference to FIGS. 5 and 6 is used. It is necessary to add a function equivalent to the device for confirming whether or not to permit visual inspection of the railway traffic signal described in Patent Document 1 or Patent Document 2 described with reference to FIGS. . At this time, if a new cable is laid or re-laid, it takes a lot of time and cost.

  Next, referring to FIG. 7, the special signal light emitter controller 31 and the special signal light emitter 41 described with reference to FIGS. 5 and 6 are described in Patent Document 1 described with reference to FIGS. A special signal light emitter control system capable of using the cable 52 as it is when adding the function of the device for confirming whether or not the visual approval of the railway traffic signal is described will be described.

  In this special signal light emitter control system, a special signal light emitter controller 71 is provided in an instrument box 51 installed in the vicinity of a railroad crossing, and is specially placed at a predetermined position several meters to several hundred meters away from the instrument box 51. At least one signal light emitter 72 and, in many cases, a plurality of signal light emitters 72 are installed. The controller 71 for special signal light emitter emits the LED 45 in red as described with reference to FIG. 6 to one or a plurality of special signal light emitters 72 connected via a pair of cables 52. In addition to sending out a signal for making it happen, disconnection detection is always performed. Furthermore, the controller 71 for special signal light emitters confirms the approval or disapproval of the visual recognition to one or a plurality of special signal light emitters 72 connected via a pair of cables 52, such as infrared rays. A signal is generated to generate invisible light or visible light that is not likely to be misidentified by the crew. The special signal light emitter 72 has the function of the infrared light emitter 2 described with reference to FIGS. 1 and 2 in addition to the function of causing the LED 45 to flash and emit red light as described with reference to FIGS. 5 and 6. Also have.

  When inspecting and confirming whether or not the special signal light emitter 72 is approved for viewing, the special signal light emitter controller 71 misidentifies one or more connected special signal light emitters 72 by invisible light such as infrared rays or by crew members. By using visible light that is not likely to occur, each pattern is blinked in a distinguishable pattern (for example, a pattern that can distinguish which number of special signal light emitters 72 corresponds to which level crossing). For example, the verification device 1 described in Patent Document 1 or Patent Document 2 described above is mounted on a test vehicle or a commercial train, and an image is captured and analyzed so that the field of view is equivalent to the driver's field of view. Accordingly, even when there are a large number of the special signal light emitters 72 continuously, it is possible to automatically check and confirm whether the special signal light emitter 72 is approved for viewing without any error.

  In the confirmation device 1 described with reference to FIG. 2, for example, the confirmation device 1 has been described as including the display unit 12 in order to notify a driver or a maintenance-related employee of the determination result of the visual approval / disapproval. For example, instead of the display unit 19 or in addition to the display unit 19, an audio output unit or the like is provided. You may be able to let them know.

Next, referring to FIGS. 8 to 12, the controller 71 for the special signal light emitter described with reference to FIG.
The functions and operations of the special signal light emitter 72 will be described. 8 to 12, each relay coil and a power source connected to the coil, a CR (capacitor and reactance) circuit connected to each element as necessary, a current limiting resistor, and a ground The parts that are obvious in the circuit design are omitted as appropriate.

  The special signal light emitter controller 71 and the special signal light emitter 72 in FIG. 8 are the special signal light emitter controls described above with reference to FIG. 6 that do not have a function for checking whether the special signal light emitter is approved or not. The cable 31 and the special signal light emitter 41 are connected using a pair of cables 52.

  The special signal light emitter controller 71 includes a relay 81, a red light emission control unit 82, a relay 83, a visual confirmation light emission control unit 84, a switching relay 85, a switching relay 86, a relay 87, a diode 88, and a relay 89. Has been.

  The relay 81 is normally in a state in which the contact is open. For example, when the sensor detects that an abnormality has occurred in the crossing or the emergency stop button is pressed, the relay 81 The relay is turned on when receiving an instruction input for causing the LED 45 to emit red light, and the contact is connected.

  The red light emission control unit 82 receives an input when the relay 81 is connected, generates and sends a signal for causing the LED 45 of the special signal light emitter 72 to emit light, and causes the LED 45 to emit light when the relay 81 is open. Therefore, it has a function of always outputting a current in the direction opposite to that of the signal for detecting disconnection based on whether or not the current flows.

  The relay 81 and the red light emission control unit 82 have basically the same functions as the special signal light emitter controller 31 described with reference to FIGS. 5 and 6.

  Hereinafter, a signal sending direction for causing the LED 45 of the special signal light emitter 72 to emit light is referred to as a forward direction, and a current direction for detecting a disconnection is referred to as a reverse direction.

  The relay 83 is a relay that is normally in a state where the contact is open, and is turned on when the visual confirmation light emission command is supplied, and the contact is connected.

  The relay 89 is normally in a state in which contacts are connected, and the contact is opened only when the output of the relay 81 is turned on, that is, when the relay 81 is in a connected state. Disconnect the electrical connection.

  The visual confirmation light emission control unit 84 includes a power supply circuit 91 and a visual confirmation signal generation unit 92, and includes a pattern signal generation unit 93 as necessary.

  When a signal indicating that the visual confirmation light emission command is supplied to the power supply circuit 91, the visual confirmation signal generation unit 92 has different voltages and different frequencies with respect to the reverse current for disconnection confirmation. Alternatively, a signal that can be determined by the visual confirmation signal determination unit 111 of the special signal light emitter 72 described later, such as a signal waveform being different, is generated and supplied to the pattern signal generation unit 93. The details of the signal generated by the visual confirmation signal generation unit 92 and the determination of the visual confirmation signal in the special signal light emitter 72 will be described later with reference to FIGS.

  The pattern signal generation unit 93 blinks a pattern signal for causing the special signal light emitters 72 to blink in patterns that can be distinguished from each other (for example, a pattern that can distinguish which number of special signal light emitters corresponds to which level crossing). Generate and output. The pattern signal generator 93 can generate and output various necessary pattern signals. For example, as described in Patent Document 2 described above, a plurality of adjacent railway traffic signals and special signals can be generated. Predetermined bit pattern to enable confirmation of the visual approval / non-approval of the intended railway traffic signal, special signal light emitter, signal device, or sign from among the light source, signal device, signal or other noise components Needless to say, it may be generated and output.

  The switching relay 85 is normally in a state in which the input / output of the red light emission control unit 82 is connected to the terminal 101. When both the relay 83 and the relay 89 are in the connected state, the contact is switched and visually checked. The light emission control unit for confirmation 84 and the terminal 101 are connected.

  The switching relay 86 is normally in a state where the input / output of the red light emission control unit 82 is connected to the terminal 102, and both the relay 83 and the relay 89 are in a connected state, and the output of the relay 89 is turned on. The contact is switched, and the light emission control unit for visual confirmation 84 and the terminal 102 are connected.

  The relay 87 is normally in a state in which the contact is open. When both the relay 83 and the relay 89 are in the connected state, the relay 87 is turned on, the contact is connected, and the red light emission control unit 82 By causing the output reverse current for disconnection detection to flow through the diode 88, circuit failure or the like is prevented.

  The special signal light emitter 72 includes a visual confirmation signal determination unit 111 and a light emitting element 112 in addition to the LED 45 and the diode 61 described with reference to FIG. The LED 45 emits red light that transmits train operation information to the train driver, and the light emitting element 112 emits infrared light (for example, wavelengths of 850 nm and 940 nm) or visible light that is not likely to be mistaken by the crew. Is.

  The LED 45 is supplied with a positive current through the cable 52 from the controller 71 for the special signal light emitter, and flashes red to emit light.

  Further, when there is no disconnection, when a reverse current is supplied from the special signal light emitter controller 71 via the cable 52, a current flows through the diode 61.

  The visual confirmation signal determination unit 111 is a signal for causing the light emitting element 112 to emit light when a reverse current is supplied from the special signal light emitter controller 71 via the cable 52. A current to the light emitting element 112 when a predetermined signal such as a voltage is different, a frequency is different, or a signal waveform is different from a reverse current for disconnection confirmation. To emit light. The details of the signal generated by the visual confirmation signal generation unit 92 and the determination of the visual confirmation signal in the special signal light emitter 72 will be described later with reference to FIGS.

  Hereinafter, a light-emitting unit including an LED 41 that emits red light that transmits train operation information to a train driver is referred to as a first light-emitting unit, and there is no risk of misidentification by infrared rays (for example, wavelengths of 850 nm and 940 nm) or crew members. A light emitting unit including the light emitting element 112 that emits visible light is referred to as a second light emitting unit.

  Next, operations of the special signal light emitter controller 71 and the special signal light emitter 72 will be described.

  When the special signal light emitter controller 71 does not receive a red light emission command or a visual confirmation light emission command, the contacts of the relay 81 and the relay 83 are not connected to each other. At this time, a reverse current is output by the red light emission control unit 82. Since the switching relay 85 and the switching relay 86 connect the red light emission control unit 82 to the terminal 101 and the terminal 102, the reverse current is supplied to the special signal light emitter 72 via the cable 52.

  When there is no disconnection or the like, the reverse current supplied to the terminal 103 of the special signal light emitter 72 passes through the diode 61 and is supplied from the terminal 104 to the special signal light emitter controller 71 via the cable 52. Is done. In addition, since the visual confirmation signal determination unit 111 determines that the supplied reverse current is not a signal for causing the light emitting element 112 to emit light, no current flows through the light emitting element 112. . Then, the reverse current cannot pass through the LED 45. Since the switching relay 85 and the switching relay 86 connect the red light emission control unit 82 to the terminal 101 and the terminal 102, the switching relay 85 and the switching relay 86 pass through the diode 61 and from the terminal 104 through the cable 52 to control the special signal light emitter. The reverse current supplied to the device 71 is input to the red light emission control unit 82, and it is detected that no disconnection has occurred.

  For example, a red light emission command for causing the LED 45 of the special signal light emitter 72 to emit red light is used for the special signal light emitter, such as when the sensor detects that an abnormality has occurred in the railroad crossing or when the emergency stop button is pressed. When supplied to the controller 71, the relay 81 is turned ON. The red light emission control unit 82 outputs a positive current signal for causing the LED 45 of the special signal light emitter 72 to emit red light. At this time, since the switching relay 85 and the switching relay 86 connect the red light emission control unit 82 to the terminal 101 and the terminal 102, the positive current is supplied to the special signal light emitter 72 via the cable 52. .

  The forward current supplied to the terminal 104 of the special signal light emitter 72 causes the LED 45 to emit red light and is supplied from the terminal 103 to the special signal light emitter controller 71 via the cable 52. The forward current supplied to the terminal 104 of the special signal light emitter 72 cannot pass through the diode 61 and the light emitting element 112.

  When the visual confirmation light emission command is supplied to the special signal light emitter controller 71, the relay 83 is turned on. At this time, a red light emission command for causing the LED 45 of the special signal light emitter 72 to emit red light is detected when the sensor detects that an abnormality has occurred in the crossing or when the emergency stop button is pressed. If not supplied to the controller 71, the contact point of the relay 89 is in a connected state, so that the light emission control unit for visual confirmation 84 has a different voltage and a different frequency with respect to the reverse current for disconnection confirmation. Alternatively, a predetermined pattern signal that can be determined by the visual confirmation signal determination unit 111 such as a different signal waveform is generated and output as a reverse current.

  By providing the relay 89, even when the light emission command for visual confirmation is supplied, the light emission of the LED 45 by the red light emission command has priority, so even if the visual confirmation processing is performed during the train operation, the train operation Will not be disturbed. Note that the relay 89 can be omitted when the visual confirmation process is not performed during train operation.

  When both the relay 83 and the relay 89 are connected, the switching relay 85 and the switching relay 86 are connected to the light emission control unit for visual confirmation 84 and the terminal 101 and the terminal 102. The special signal light emitter 72 is supplied via 52.

  When both the relay 83 and the relay 89 are connected, the relay 87 is turned on and the contact is connected. As a result, a reverse current for detecting disconnection flows through the diode 88 and returns to the red light emission control unit 82, so that an unnecessary current can be prevented from flowing, and a circuit failure such as a short circuit can be prevented.

  The reverse current supplied to the special signal light emitter 72 is supplied to the visual confirmation signal determination unit 111. The visual confirmation signal determination unit 111 supplies only a signal for causing the light emitting element 112 to emit light based on the voltage value, the signal frequency, or the signal waveform of the current, for example, in a predetermined pattern. The light emitting element 112 emits light. In other words, when the signal for causing the light emitting element 112 to emit light is not supplied, the visual confirmation signal determination unit 111 does not supply current to the light emitting element 112, and thus the light emitting element 112 does not emit light. The light emitting element 112 is affected by an energization current, temperature, and ultraviolet rays, and the luminance is attenuated in proportion to the use time, so that the element is deteriorated. In this manner, by preventing the light emitting element 112 from emitting light except when necessary, it is possible to prevent a decrease in luminance and deterioration of the light emitting element 112 while always performing disconnection detection.

  Next, details of the determination of the signal generated by the visual confirmation signal generation unit 92 and the visual confirmation signal in the special signal light emitter 72 will be described with reference to FIGS. About the operation | movement of the controller 71 for special signal light emitters, and the operation | movement of the special signal light emitter 72, the description is abbreviate | omitted suitably about the part similar to the case where it demonstrated using FIG.

  With reference to FIG. 9, the case where the reverse current for causing the light emitting element 112 to be supplied to the special signal light emitter 72 to emit light is a high-voltage current with respect to the reverse current for detecting disconnection will be described.

  The visual confirmation light-emission control unit 84-1 in FIG. 9 uses the visual confirmation signal generation unit 92-1 having a function of controlling the voltage to generate a reverse current for causing the light-emitting element 112 to emit light. It is assumed that the voltage is higher than the directional current and higher than a Zener voltage value of a Zener diode 122 described later, and a pattern signal generator 93 generates and outputs a predetermined pattern signal.

  The signal determination unit 111-1 for visual confirmation of the special signal light emitter 72-1, for example, is the same as the diode 121 only when a diode 121 that allows only a reverse current to pass through and a current that is equal to or higher than a predetermined voltage value is supplied. Whether or not the supplied reverse current is a signal for causing the light emitting element 112 to emit light is determined by the Zener diode 122 that passes the current in the direction (that is, the reverse current). When the signal supplied to the visual confirmation signal determination unit 111-1 is a reverse current having a voltage value equal to or higher than the Zener voltage value of the Zener diode 122, the light emitting element 112 is connected via the diode 121 and the Zener diode 122. A predetermined pattern signal is supplied, and the light emitting element 112 flashes and emits light.

  Further, when the signal supplied to the visual confirmation signal determination unit 111-1 is a reverse current having a voltage value equal to or lower than the Zener voltage value of the Zener diode 122, that is, the reverse current is a current for detecting disconnection. In this case, since the current cannot pass through the Zener diode 122 of the visual confirmation signal determination unit 111-1, the light emitting element 112 does not emit light. In this way, by preventing the light emitting element 112 from emitting light except when necessary, it is possible to prevent a decrease in luminance and deterioration of the light emitting element 112 while always detecting disconnection.

  Here, the visual confirmation signal determination unit 111-1 of the special signal light emitter 72-1 has been described as selectively passing a reverse current of a predetermined voltage value or higher using the Zener diode 122. The visual confirmation signal determination unit 111-1 may, for example, replace a Zener diode 122 with a high-pass filter, a band-pass filter, or the like as long as it can selectively pass a reverse current of a predetermined voltage value or higher. A circuit having these functions may be used. Further, by increasing the difference between the combined resistance value of the circuit including the light emitting element 112 and the combined resistance value of the circuit including the diode 61, only the circuit including the light emitting element 112 is used without using the Zener diode 122. A similar function can be realized by selectively passing a reverse current of a predetermined voltage value or higher.

  Next, referring to FIG. 10, a reverse current for causing the light emitting element 112 supplied to the special signal light emitter 72 to emit light is a signal having a predetermined frequency different from the reverse current for detecting disconnection (the signal). For example, the waveform may be a signal waveform different from the reverse current for detecting disconnection, such as a SIN wave, a sawtooth wave, and a square wave.

  The visual confirmation light emission control unit 84-2 in FIG. 10 uses the visual confirmation signal generation unit 92-2 including the oscillation circuit 131 to generate a reverse current for causing the light emitting element 112 to emit light, and a reverse current for disconnection detection. The pattern signal generation unit 93 generates a predetermined pattern signal and outputs it.

  For example, the visual confirmation signal determination unit 111-2 of the special signal light emitter 72-2 includes a filter 141 that allows only a predetermined frequency to pass therethrough, so that the supplied reverse current causes the light emitting element 112 to emit light. It is determined whether it is a signal. Only when the signal supplied to the visual confirmation signal determination unit 111-2 is a reverse current having a predetermined frequency, a predetermined pattern signal is supplied to the light emitting element 112 through the filter 141, and the light emitting element 112 Flashes and emits light.

  Further, when the signal supplied to the visual confirmation signal determination unit 111-2 is not a reverse current having a predetermined frequency, that is, when the reverse current is a disconnection detection current, the current is The light emitting element 112 does not emit light because it cannot pass through the filter 141 of the visual confirmation signal determination unit 111-2. In this way, by preventing the light emitting element 112 from emitting light except when necessary, it is possible to prevent a decrease in luminance and deterioration of the light emitting element 112 while always detecting disconnection.

Further, when the reverse current for causing the light emitting element 112 supplied to the special signal light emitter 72 to emit light is a signal having a predetermined frequency different from the reverse current for detecting disconnection, a plurality of special signal light emitters 72 are provided. By making the pattern signals for visual confirmation corresponding to each of the signals having different frequencies, a plurality of special signal light emitters 72-2 from one visual confirmation light emission control unit 84 via a pair of cables 52 are obtained. The light emitting elements 112 can emit light with a unique bit pattern. With reference to FIG. 11, the case where the light emitting elements 112 of the plurality of special signal light emitters 72-2 each emit light with a unique bit pattern will be described.

  In FIG. 11, the relays, terminals, etc. shown in FIG. 10 are omitted, and the parts necessary for explaining the operation for causing the light emitting element 112 to emit light, that is, the visual confirmation light emission control unit 84-2 and the special signal light emission. Only machine 72-2 is shown. The configuration of the omitted part is the same as that described with reference to FIG.

  A plurality of special signal light emitters 72-2 are connected in series or in parallel via a pair of cables 52 to the output of the light emission control unit 84-2 for visual confirmation. In FIG. 11, three special signal light emitters 72-2-1, a special signal light emitter 72-2-2, and a special signal light emitter 72-2-3 are connected.

  The visual confirmation signal generation unit 92-2 of the visual confirmation light emission control unit 84-2 includes a plurality of oscillation circuits 131 that oscillate at different frequencies. Here, it is assumed that the visual confirmation signal generation unit 92-2 includes three oscillation circuits 131 including an oscillation circuit 131-1, an oscillation circuit 131-2, and an oscillation circuit 141-3. Here, it is assumed that the oscillation frequency of the oscillation circuit 131-1 is AHz, the oscillation frequency of the oscillation circuit 131-2 is BHz, and the oscillation frequency of the oscillation circuit 131-3 is CHz.

  The pattern signal generation unit 93 includes a plurality of bit pattern generation units 151 that generate light emission pattern signals of the light emitting elements 112 of the plurality of special signal light emitters 72-2. Here, the first bit pattern generation unit 151-1, the second bit pattern generation unit 151-2, and the third bit pattern generation unit 151-3 are supplied with signals having different frequencies, respectively, A light emission pattern signal of each light emitting element 112 of the signal light emitter 72-2-1, the special signal light emitter 72-2-2, and the special signal light emitter 72-2-3 is generated and output as a reverse current. .

  The reverse current sent to the cable 52 includes the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-1 at the frequency AHz and the light emitting element 112 of the special signal light emitter 72-2-2 at the frequency BHz. The light emission pattern signal and the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-3 having the frequency CHz are mixed.

  The visual confirmation signal determination unit 111-2 of the special signal light emitter 72-2-1 includes an AHz pass filter 141-1 that selectively passes only a signal having a frequency of AHz. Therefore, the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-1 having the frequency AHz, the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-2 having the frequency BHz, and the special signal having the frequency CHz. Since only the signal with the frequency AHz in the reverse current in which the light emission pattern signals of the light emitting element 112 of the signal light emitter 72-2-3 are mixed is supplied to the light emitting element 112, the special signal light emitter 72-2- One light emitting element 112 is controlled to emit light with a predetermined bit pattern including information for transmitting that it is a special signal light emitter 72-2-1.

  The visual confirmation signal determination unit 111-2 of the special signal light emitter 72-2-2 includes a BHz pass filter 141-2 that selectively passes only a signal having a frequency BHz. Therefore, the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-1 having the frequency AHz, the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-2 having the frequency BHz, and the special signal having the frequency CHz. Since only the signal of the frequency BHz out of the reverse current in which the light emission pattern signals of the light emitting element 112 of the signal light emitter 72-2-3 are mixed is supplied to the light emitting element 112, the special signal light emitter 72-2- The second light emitting element 112 is controlled to emit light with a predetermined bit pattern including information for transmitting that it is the special signal light emitter 72-2-2.

  The visual confirmation signal determination unit 111-2 of the special signal light emitter 72-2-3 includes a CHz pass filter 141-3 that selectively passes only a signal having a frequency CHz. Therefore, the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-1 having the frequency AHz, the light emission pattern signal of the light emitting element 112 of the special signal light emitter 72-2-2 having the frequency BHz, and the special signal having the frequency CHz. Since only the signal of the frequency CHz of the reverse current in which the light emission pattern signals of the light emitting element 112 of the signal light emitter 72-2-3 are mixed is supplied to the light emitting element 112, the special signal light emitter 72-2- The third light emitting element 112 is controlled to emit light with a predetermined bit pattern including information for transmitting that it is a special signal light emitter 72-2-3.

  As described above, the special signal light emitter 41 or the special signal light emitter 72 has a special signal from any distance within a predetermined first distance (for example, 800 m) referred to as a viewing distance from each level crossing. The light emitting device 41 or the special signal light emitting device 72 must be installed at a position where the light emission state can be confirmed. For example, when there is a sharp curve, there is a possibility that the red light emission of a plurality of special signal light emitters 41 is simultaneously controlled from the current special signal light emitter controller 31. Even in such a case, by adopting the configuration described with reference to FIG. 11, the current special cable can be installed without newly laying or re-laying the cable 52 to which a plurality of special signal light emitters 41 are connected. The signal light emitter controller 31 can be updated to the special signal light emitter controller 71-2, and the special signal light emitter 41 can be updated to the special signal light emitter 72-2.

  Even in the case of having such a configuration, the configuration of the omitted portion is the same as that described with reference to FIG. 10, and therefore, the AHz pass filter 141-1, the BHz pass filter 141-2, and the CHz The pass filter 141-3 does not supply current to the light emitting element 112 except when necessary, and a signal for detecting disconnection flows only to the diode 61. In this way, by preventing the light emitting element 112 from emitting light except when necessary, it is possible to prevent a decrease in luminance and deterioration of the light emitting element 112 while always detecting disconnection.

  Moreover, the pattern signal generation unit 93 of the light emission control unit for visual confirmation 84 described above may be provided in the special signal light emitter 72 instead of the light emission control unit for visual confirmation as shown in FIG.

  That is, in the visual confirmation light emission control unit 84-3 of the special signal light emitter controller 71-3 in FIG. 12, the visual confirmation light emission command is supplied to the special signal light emitter controller 71, and the red light emission command is received. When not supplied, that is, when a signal indicating that the light emission command for visual confirmation is supplied to the power supply circuit 91, the visual confirmation signal generation unit 92 responds to the reverse current for disconnection confirmation. A signal that can be determined by the visual confirmation signal determination unit 111 of the special signal light emitter 72, which will be described later, such as a voltage, a frequency, or a signal waveform being different, is generated and output as a reverse current.

  At this time, since the switching relay 85 and the switching relay 86 are connected to the light emission control unit for visual confirmation 84 and the terminal 101 and the terminal 102, the reverse current flows through the cable 52 through the special signal light emitter 72-3. To be supplied.

  The reverse current supplied to the special signal light emitter 72-3 is supplied to the visual confirmation signal determination unit 111. The visual confirmation signal determination unit 111 supplies only a signal for causing the light emitting element 112 to emit light to the pattern signal generation unit 93 based on, for example, the voltage value, signal frequency, or signal waveform of the current. In this way, by preventing the light emitting element 112 from emitting light except when necessary, it is possible to prevent a decrease in luminance and deterioration of the light emitting element 112 while always detecting disconnection.

  The pattern signal generation unit 93 blinks a pattern signal for causing the special signal light emitters 72 to blink in patterns that can be distinguished from each other (for example, a pattern that can distinguish which number of special signal light emitters corresponds to which level crossing). The generated light is supplied to the light emitting element 112, and the light emitting element 112 is caused to emit light in a predetermined pattern. The pattern signal generator 93 can generate and output various necessary pattern signals. For example, as described in Patent Document 2 described above, a plurality of adjacent railway traffic signals and special signals can be generated. Predetermined bit pattern to enable confirmation of the visual approval / non-approval of the intended railway traffic signal, special signal light emitter, signal device, or sign from among the light source, signal device, signal or other noise components Needless to say, it may be generated and output.

  In the configuration described with reference to FIG. 12, a signal of a pattern that can distinguish each of the special signal light emitters 72 (for example, a pattern that can distinguish which special signal light emitter corresponding to which level crossing) is generated. Each of the special signal light emitters 72-3 has a function of That is, the signal generated by the visual confirmation light-emission control unit 84 is a current that can be determined to be different from the reverse current for disconnection detection, does not include information based on the bit pattern, and passes through the cable 52. The supplied signal includes only information that instructs the light emitting element 112 to emit light. Then, the special signal light emitter 72-3 controls the light emission for transmitting information indicating itself by the function of itself.

  Therefore, even when the current controller 31 for special signal light emitters simultaneously controls the red light emission of the plurality of special signal light emitters 41 installed, the plurality of special signal light emitters 41 installed are The current special signal light emitter controller 31 is updated to the special signal light emitter controller 71-3 and the special signal light emitter 41 is made to emit special signal light without newly laying or re-laying the connected cable 52. It becomes possible to update to the machine 72-3

  In FIG. 8, FIG. 9, FIG. 10, and FIG. 12, the special signal light emitter 72 includes a first light emitting unit that includes an LED 45 that emits red light that transmits train operation information to a train driver; Although the second light emitting unit including the light emitting element 112 that emits infrared light (for example, a wavelength of 850 nm or 940 nm) or visible light that is not likely to be mistaken by a crew member is described as being provided in the same housing, a special signal light emitter 72 may be provided with the first light emitting unit and the second light emitting unit in the same housing, or the housing having the second light emitting unit may be retrofitted to the conventional special signal light emitter 41. .

  With reference to FIG. 13, the example of arrangement | positioning of the 1st light emission part and the 2nd light emission part of the special signal light emitter 72 which equips the same housing | casing with a 1st light emission part and a 2nd light emission part is demonstrated. In FIG. 13, a special signal light emitter 72-1 to a special signal light emitter 72-4 are illustrated as an example of the special signal light emitter 72 having the first light emitting unit and the second light emitting unit in the same housing. Yes.

  The special signal light emitter 72-1 has an infrared ray (for example, a wavelength of 850 nm or 940 nm) or a crew member at the upper part of the first light emitting unit including the LED 45 that emits red light for transmitting train operation information to the train driver. A second light-emitting unit including the light-emitting element 112 that emits visible light that is not likely to be mistaken is provided. In particular, the signal light emitter 72-2 includes a second light emitting unit including the light emitting element 112 on the upper and lower sides of the first light emitting unit including the LED 45. In particular, the signal light emitter 72-3 includes a second light-emitting unit including the light-emitting element 112 below the first light-emitting unit including the LED 45. In particular, in the signal light emitter 72-34, the LEDs 45-1 to 45-m and the light emitting elements 112-1 to 112-n are arranged in a mixed manner.

  As described above, the special signal light emitters 72-1 to 72-4 emit light from the first light emitting unit when a forward current is passed through the pair of cables 53. Has been made. In addition, as described above, the special signal light emitters 72-1 to 72-4 have a voltage value different from the voltage used for disconnection detection (for example, the voltage used for disconnection detection) via the cable 53. The second light emitting unit emits light when a reverse current of a high voltage current, a signal having a different frequency, or a different signal waveform (for example, SIN wave, sawtooth wave, square wave, etc.) is applied. ing.

  Next, with reference to FIG. 14 and FIG. 15, an example of the special signal light emitter 72 in the case where the housing having the second light emitting unit is retrofitted to the conventional special signal light emitter 41 will be described.

  As shown in FIGS. 14 and 15, the special signal light emitter 72 has a configuration in which a retrofitted light emitting unit additional housing 161 is added to the conventional special signal light emitter 41. As shown in FIG. 14, the light emitting unit additional casing 161 includes a visual confirmation signal determination unit 111 and a light emitting element 112. The special signal light emitter 41 has a terminal 171 for outputting a current in the forward direction to the light emitting unit additional housing 161 and a terminal for outputting a current in the reverse direction to the light emitting unit additional housing 161. 171 is provided, the terminal 171 is connected to the terminal 173 of the light emitting unit additional casing 161, and the terminal 172 is connected to the terminal 174 of the light emitting unit additional casing 161. Note that the terminal 173 may be connected to the terminal 104 and the terminal 174 may be connected to the terminal 103 without newly providing the terminal 171 and the terminal 172, respectively.

  Even if a positive current is supplied from the terminal 173 of the light emitting unit additional housing 161, no current flows through the light emitting element 112. Further, even if a reverse current for disconnection detection is supplied from the terminal 174 of the light emitting unit additional casing 161, the current is interrupted by the visual confirmation signal determination unit 111, so that no current flows through the light emitting element 112. The reverse current flows to the light emitting element 112 only when a signal that can be confirmed as a visual confirmation signal is supplied from the terminal 174 of the light emitting unit additional casing 161 by the visual confirmation signal determination unit 111.

  Further, as shown in FIG. 15, the retrofitted additional light emitting unit additional housing 161 can be attached to the upper part of the conventional special signal light emitter 41 or attached to the lower part of the conventional special signal light emitter 41. .

  Next, referring to FIGS. 16 to 19, the special signal light emission described with reference to FIGS. 5 and 6 to configure the special signal light emitter controller 71 for controlling the special signal light emitter 72 described above. An example of device update performed for the machine controller 31 will be described. In FIG. 16, the design of the circuit such as the coil of each relay and the power source connected to the coil, the CR (capacitor and reactance) circuit connected to each element as necessary, the current limiting resistor, and the ground In FIG. 5, a self-evident part is omitted as appropriate, and a pair of a line through which a forward current flows and a line through which a reverse current flows are illustrated using one line.

  A first device update example will be described with reference to FIG.

  The special signal light emitter controller 31 described with reference to FIGS. 5 and 6 is already provided with a relay 81 and a red light emission controller 82. Therefore, the relay 83, the visual confirmation light-emission control unit 84, the switching relay 85, the switching relay 86, the relay 87, the diode 88, and the relay 89, and the wiring that connects them are housed in one additional circuit housing and added. Thus, the special signal light emitter controller 31 can be updated to the special signal light emitter controller 71.

  When the output of the red light emission controller 82 provided in the special signal light emitter controller 31 is only one system, the additional circuit housing 201 of FIG. 16 is newly provided, and the special signal light emitter controller is provided. 31 is divided into two systems, the output of the light emission control unit for visual confirmation 84 is divided into two systems, and two pairs of the switching relay 85 and the switching relay 86 are provided. The provided additional circuit housing 202 is newly provided.

  When the additional circuit casing 201 or the additional circuit casing 202 is newly provided, the red light emission control unit 82 provided in the special signal light emitter controller 31 and the terminal 101 and the terminal 102 are connected in the middle of connection wiring. The input / output of the additional circuit casing 201 or the additional circuit casing 202 is connected, and the light emission command for visual confirmation and the output of the relay 81 are input to the additional circuit casing 201 or the additional circuit casing 202. It is necessary to perform such wiring processing.

  As shown in FIG. 16, the relay 83, the visual confirmation light emission control unit 84, the switching relay 85, the switching relay 86, the relay 87, the diode 88, and the relay 89, and a wiring for connecting them are one additional circuit. By housing in the case, the special signal light emitter controller 31 already used, that is, the relay 81 and the red light emission control unit 82 are used as they are, and the additional circuit case 201 or the additional circuit case 202 is used. Since the number of new wirings accompanying the addition of can be relatively reduced, the device can be easily updated.

  Next, a second apparatus update example will be described with reference to FIG.

  Since the relay is a particularly important element in order to ensure safety in railway operation, the user of the controller 71 for the special signal light emitter has an additional circuit housing for the switching relay 85 and the switching relay 86. In many cases, you may want to use what you have chosen, not what you choose.

  Therefore, the relay 83, the visual confirmation light-emission control unit 84, the relay 87, the diode 88, and the relay 89 and the wiring connecting them are housed in one additional circuit housing, and the special signal light-emitting device controller 71 is provided. The special signal light emitter controller 31 may be updated to the special signal light emitter controller 71 by being added together with the switching relay 85 and the switching relay 86 selected by the user.

  When the output of the red light emission control unit 82 provided in the special signal light emitter controller 31 is only one system, the additional circuit housing 211 of FIG. 17 is newly provided, and the special signal light emitter controller is provided. When the output of the red light emission control unit 82 provided in 31 is divided into two systems, an additional circuit housing 212 in which the output of the light emission control unit 84 for visual confirmation is divided into two systems is newly provided. .

  When the additional circuit casing 211 or the additional circuit casing 212 is newly provided, the red light emission control unit 82 provided in the controller 31 for the special signal light emitter is connected to the terminal 101 and the terminal 102 in the middle of connection wiring. The additional circuit casing 201 or the additional circuit casing 202, the switching relay 85, and the switching relay 86 are connected, and the light emission command for visual confirmation and the output of the relay 81 are added to the additional circuit casing 211 or the additional circuit casing. It is necessary to perform wiring processing so that the circuit casing 212 is input.

  When the additional circuit casing 211 or the additional circuit casing 212 shown in FIG. 17 is used, the switching relay is compared with the case where the additional circuit casing 201 or the additional circuit casing 202 of FIG. 16 is used. 85 and the switching relay 86 need to be further added, so that the number of wirings is increased and the updating work of the apparatus becomes complicated. However, the special signal light emitting controller 31 already used, that is, the relay 81 and the red color The light emission control unit 82 can be used as it is, and the user of the special signal light emitter controller 71 can use the switching relay 85 and the switching relay 86 selected by the user.

  Next, a third device update example will be described with reference to FIG.

  By including the relay 81 and the red light emission controller 82 in the additional circuit housing, the wiring work for updating the special signal light emitter controller 31 to the special signal light emitter controller 71 is very simple. Can be made. That is, the relay 81, the red light emission control unit 82, the relay 83, the visual confirmation light emission control unit 84, the switching relay 85, the switching relay 86, the relay 87, the diode 88, and the relay 89, and one wiring for connecting them. The special signal light emitter controller 31 can be easily used for a special signal light emitter by being housed in an additional circuit housing and installed in place of the special signal light emitter controller 31 described with reference to FIGS. The controller 71 can be updated.

  When the output of the red light emission control unit 82 provided in the special signal light emitter controller 31 is only one system, the additional circuit housing 221 of FIG. 18 is newly provided, and the special signal light emitter controller. 31 is divided into two systems, the output of the light emission control unit for visual confirmation 84 is divided into two systems, and two pairs of the switching relay 85 and the switching relay 86 are provided. The provided additional circuit housing 222 is newly provided.

  The wiring process performed at this time connects the input of the removed special signal light emitter controller 31 to the input of the additional circuit housing 221 or the additional circuit housing 222, and outputs the special signal light emitter controller 31. Is connected to the output of the additional circuit casing 221 or the additional circuit casing 222, and a light emission command for visual confirmation is input to the additional circuit casing 221 or the additional circuit casing 222. Just add the wiring.

  As shown in FIG. 18, the relay 81, the red light emission control unit 82, the relay 83, the visual confirmation light emission control unit 84, the switching relay 85, the switching relay 86, the relay 87, the diode 88, and the relay 89 are connected. By storing the wiring in one additional circuit housing, the number of new wirings accompanying the addition of the additional circuit housing 221 or the additional circuit housing 222 can be minimized, and the device can be easily updated. In addition, since the internal circuit can be wired in one housing, an increase in space due to the update of the apparatus can be minimized.

  Next, a fourth device update example will be described with reference to FIG.

  As described above, since the relay is a particularly important element in order to ensure safety in railway operation, the user of the controller 71 for the special signal light emitting device includes the switching relay 85 and the switching relay 86. In many cases, the supplier of the additional circuit casing wants to use the one selected by himself rather than the one selected by the supplier.

  Therefore, the relay 81, the red light emission control unit 82, the relay 83, the visual confirmation light emission control unit 84, the relay 87, the diode 88, the relay 89, and the wiring that connects them are housed in one additional circuit housing, and a special signal is provided. The special signal light emitter controller 31 may be updated to the special signal light emitter controller 71 by adding the change relay 85 and the change relay 86 selected by the user of the light emitter controller 71.

  When the output of the red light emission control unit 82 provided in the special signal light emitter controller 31 is only one system, the additional circuit housing 231 of FIG. 19 is newly provided, and the special signal light emitter controller is provided. When the output of the red light emission control unit 82 provided in 31 is divided into two systems, an additional circuit housing 232 in which the output of the light emission control unit 84 for visual confirmation is divided into two systems is newly provided. .

  At this time, the input of the controller 31 for the removed special signal light emitter is connected to the input of the additional circuit housing 231 or the additional circuit housing 232, and the switching relay 85 and the switching relay 86 are added to perform the special signal light emission. Connected between the circuit to which the output of the machine controller 31 is connected and the output of the additional circuit casing 231 or the additional circuit casing 232, and a light emission command for visual confirmation is added to the additional circuit casing 231 or the additional circuit casing 231 It is necessary to perform a wiring process for adding a wiring for inputting to the circuit casing 232.

  As shown in FIG. 19, the relay 81, the red light emission control unit 82, the relay 83, the visual confirmation light emission control unit 84, the relay 87, the diode 88, and the relay 89, and the wiring that connects them are connected to one additional circuit housing. By adding a switching relay 85 and a switching relay 86 to the body, the number of new wirings accompanying the addition of the additional circuit casing 231 or the additional circuit casing 232 is reduced, and the special signal light emitter is used. The user of the controller 71 can use the switching relay 85 and the switching relay 86 selected by himself / herself.

  Note that the combination of the special signal light emitter controller 71 and the special signal light emitter 72 described with reference to FIGS. 16 to 19 is a visual confirmation signal determination unit as described with reference to FIGS. 9 to 12. 111 is a combination capable of determining whether the supplied reverse current is a reverse current for disconnection detection or a signal for causing the light emitting element 112 to emit light with a predetermined bit pattern, The special signal light emitter 72 may have the shape described with reference to FIG. 13, the shape described with reference to FIG. 15, or a combination thereof.

  Further, when part or all of the special signal light emitter 41 is updated to the special signal light emitter 72 and the special signal light emitter controller 71 is not updated, the light emission control of the light emitting element 112 of the special signal light emitter 72 is performed. Although it cannot be performed, the red light emission by the LED 45 that informs the driver or the like of information that an abnormality has occurred at a railroad crossing or the like can be executed without any problem.

  Even when the special signal light emitter 41 is not updated and a part or all of the special signal light emitter controller 31 is updated to the special signal light emitter controller 71, the control for the special signal light emitter is performed. Since the device 71 includes the function of the controller 31 for the special signal light emitter, the red light emission by the LED 45 that informs the driver or the like that an abnormality has occurred at a railroad crossing or the like can be executed without any problem. is there.

  Furthermore, even when a part of the special signal light emitter 41 is updated to the special signal light emitter 72 and a part of the controller 31 for the special signal light emitter is updated to the controller 71 for the special signal light emitter, The special signal light emitter controller 71 includes the function of the special signal light emitter controller 31, and the special signal light emitter 72 includes the function of the special signal light emitter 41. The red light emission by the LED 45 that conveys information such as occurrence to a driver or the like can be executed without any problem.

  That is, the above-described update operation of the special signal light emitter controller 71 and the special signal light emitter 72 is not performed as a whole of the special signal light emitter control system, but only a part thereof, as shown in FIGS. The functions of the special signal light emitter controller 31 and the special signal light emitter 41 described above are retained.

  Thereby, the update operation of the special signal light emitter control system does not affect normal train operation.

  When at least a part of the special signal light emitter 41 and the special signal light emitter controller 31 is updated to the special signal light emitter 72 and the special signal light emitter controller 71, the inspection vehicle or the sales train, The confirmation device 1 described in the above-described patent document (Japanese Patent No. 4925987 or Japanese Patent Application Laid-Open No. 2010-173597) is mounted, and an image is picked up so that the visual field is equivalent to the visual field of the driver. By analyzing the light emission pattern according to the above, even if there are a large number of consecutive special signal light emitters 72, the visual approval approval of each special signal light emitter 72 is automatically checked without error. It becomes possible to confirm.

  In addition, the object which adds the function equivalent to the apparatus which confirms the visual approval / denial of the railway traffic signal described in Patent Document 1 described with reference to FIGS. 1 and 2 is the special signal emission described with reference to FIGS. 5 and 6. It may be other than the machine controller 31 and the special signal light-emitting device 41, and the rail light-emitting devices such as the railway light device and the special signal light-emitting device in all forms, or the railway light-emitting devices such as the railway light-emitting device and the special signal light-emitting device. A light emitting device for a vehicle and a controller for controlling them are equivalent to the device for confirming the approval / disapproval of the railway traffic signal described in Patent Document 1 described with reference to FIGS. 1 and 2 by using the same method. Needless to say, it is possible to add functions.

  Next, the signal inspection process of the confirmation device 1 will be described with reference to the flowchart of FIG.

  At this time, the controller 71 for special signal light emitters causes the signal determination unit 111 for visual confirmation to check whether the supplied reverse current is a reverse current for disconnection detection, or sets the light emitting element 112 with a predetermined bit pattern. A reverse current that can be used to determine whether the signal is to be emitted is generated, output, and output to the light emitting element 112 of the special signal light emitter 72. The signal inspection pattern that can be distinguished is emitted using invisible light such as infrared rays or visible light that is not likely to be mistaken by the crew.

  Further, in the confirmation device 1, from the input unit 15, a signal inspection pattern that can distinguish which crossing and which light-emitting device is in the inspection section, and the order in which they are to be confirmed, Information indicating the section is input and stored in the data storage unit 18.

  In step S <b> 11, the control unit 14 reads the signal inspection pattern stored in the data storage unit 18.

  In step S12, the control unit 14 extracts a signal pattern to be acquired next from the signal inspection pattern read in step S11.

  In step S <b> 13, the A / D conversion unit 12 acquires an image captured with predetermined sampling data by the video camera 211, converts analog imaging data into digital image data, and supplies the digital image data to the image data storage unit 13. The image data storage unit 13 stores the digital image data supplied from the A / D conversion unit 12.

  In step S14, the control unit 14 performs digital image data stored in the image data storage unit 13 by, for example, the processing described in the above-described patent document (Japanese Patent No. 4925987 or Japanese Patent Application Laid-Open No. 2010-173597). And a process of determining whether or not the pattern of the signal to be acquired next, which has been extracted in step S12, is correctly captured is executed.

  In step S15, the control unit 14 determines whether or not blinking that matches the corresponding signal pattern has been detected within a predetermined section as a result of the determination processing in step S14.

  If it is determined in step S15 that blinking matching the corresponding signal pattern has been detected, in step S16, the control unit 14 can visually recognize which signal corresponding to which level crossing in the data storage unit 18. Record the detected log indicating.

  If it is determined in step S15 that blinking that matches the corresponding signal pattern could not be detected, in step S17, the control unit 14 controls the display unit 19 to determine which signal corresponding to any level crossing. An error notification indicating that the line was not visually recognized is made, and an error detection log indicating which signal corresponding to which level crossing was not visually recognized is left in the data storage unit 18.

  In step S <b> 18, the control unit 14 determines whether or not the visual authorization rejection confirmation using the signal inspection pattern has been completed.

  If it is determined in step S18 that all the visual authorization rejection checks have not been completed, the process returns to step S12, and the subsequent processes are repeated. In step S18, when it is determined that all the visual authorization rejection confirmations have been completed, the processing is terminated.

  By such processing, even when there are a large number of railway light emitters such as a plurality of traffic lights and special signal light emitters in succession, a railway such as a traffic light or special signal light emitter is automatically and without error. It becomes possible to check and confirm whether or not the light emitting device for visual use is approved.

  The series of processes described with reference to FIG. 20 can be executed by hardware or can be executed by software. When a series of processing is executed by software, a program constituting the software may execute various functions by installing a computer incorporated in dedicated hardware or various programs. For example, it is installed from a program recording medium in a general-purpose personal computer or the like.

  The program executed by the computer may be a program that is processed in time series in the order described in this specification, or in parallel or at a necessary timing such as when a call is made. It may be a program for processing.

  The embodiments of the present invention are not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Confirmation apparatus 11 ... Video camera 12 ... A / D conversion part 13 ... Image data storage part 14 ... Control part 15 ... Input part 16 ... Setting part 17 ... Program storage part 18 ... Data storage , 19 ... Display unit, 31 ... Controller for special signal light emitter, 41 ... Special signal light emitter, 45 ... LED, 51 ... Instrument box, 52 ... Cable, 61 ... Diode, 71 ... Controller for special signal light emitter 72 ... Special signal light emitter, 81 ... Relay, 82 ... Red light emission control unit, 83 ... Relay, 84 ... Light emission control unit for visual confirmation, 85, 86 ... Switching relay, 87 ... Relay, 88 ... Diode, 89 ... Relay , 111 ... Visual confirmation signal determination unit, 112 ... Light emitting element, 121 ... Diode, 122 ... Zener diode, 131 ... Oscillator circuit, 141 ... Filter, 151 ... Bit pattern Generator, 201, 202, 211, 212, 221, 222, 231, 232 ... circuit housing for addition

Claims (18)

In the railway light-emitting device controller connected to the railway light-emitting device having the first light-emitting portion and the second light-emitting portion by a pair of cables and controlling the railway light-emitting device,
When the first signal for controlling the lighting of the first light emitting unit is output and the first signal is not output, the current in the direction opposite to the first signal is generated by the cable and the railroad. First light emission control means for performing disconnection detection processing based on whether or not the light flows to the light emitting device;
Generate and output a second signal for controlling lighting of the second light-emitting unit, which is a current in a direction opposite to that of the first signal and is distinguishable from a current for performing the disconnection detection process Second light emission control means for
A signal supplied to the railway light-emitting device via the cable includes the first signal output from the first light emission control means and the second signal output from the second light emission control means. A railway light emitting device control device comprising: switching means for switching between signals. The railway light emitting device control device according to claim 1,
The second emission control means, wherein the cross-sectional line different voltage value of the voltage that generates current for performing the detection processing, the second to generate a second signal for controlling lighting of the light emitting portion output A railway light-emitting device controller characterized by: The railway light emitting device control device according to claim 1,
The second light emission control means generates and outputs a second signal for controlling lighting of the second light emitting unit using a signal waveform different from the current for performing the disconnection detection processing. A light-emitting device control device for railways. The railway light emitting device control device according to claim 1,
The second light emission control means generates and outputs a second signal for controlling lighting of the second light emitting unit having a frequency different from that of the current for performing the disconnection detection process. Light-emitting device controller for railways. In the railway light emitting device control device according to claim 4,
The second light emission control means includes:
A plurality of oscillation means for oscillating different frequencies,
A railroad light emitter control device, wherein a second signal for controlling lighting of the second light emitting unit is generated and output at a plurality of frequencies different from the current for performing the disconnection detection processing. The railway light emitting device control device according to claim 1,
The first signal generation means receives the first input commanding the generation of the first signal, generates the first signal,
The second signal generation means receives the second input commanding the generation of the second signal, generates the second signal,
The railroad light emitter control device, wherein the second input is not supplied to the second signal generating means when the first input is generated. The railway light emitting device control device according to claim 1,
The railroad light emitting device control device, wherein the second signal generating means generates a signal pattern for causing the second light emitting unit to blink and emit light in a predetermined pattern. In the railway light-emitting device controller according to claim 7,
The railway light emitting device control apparatus, wherein the predetermined pattern is a pattern for transmitting information that can uniquely distinguish each of the light emitting devices for the railway. First light emitting means for emitting light based on a current in a first direction;
Current passing means for passing a current in a second direction different from the first direction;
Selection means for selectively passing a current in the second direction that meets a predetermined condition;
And a second light emitting means for emitting light with light distinguishable from the light emitted by the first light emitting means by the current in the second direction selectively passed by the selecting means. Light emitter. The railway light emitting device according to claim 9,
The current in the second direction that does not always meet the predetermined condition, except when the current in the first direction and the current in the second direction that meets the predetermined condition are supplied. The supply of
When receiving the current in the second direction that does not meet the predetermined condition, the current passing means passes the current in the second direction, and the selecting means sends the current to the second light emitting means. On the other hand, the railroad light emitter is characterized in that it does not allow the current in the second direction to pass therethrough. The railway light emitting device according to claim 9,
The predetermined condition is a predetermined voltage value or more,
The railway light-emitting machine characterized in that the selection means causes the second light-emitting means to emit light by passing a current in the second direction that is equal to or higher than the predetermined voltage value. The railway light emitting device according to claim 9,
The predetermined condition is to have a predetermined signal waveform,
The railway light-emitting machine, wherein the selecting means causes the second light-emitting means to emit light by passing a current in the second direction having the predetermined signal waveform. The railway light emitting device according to claim 9,
The predetermined condition is to have a predetermined frequency,
The railroad light emitting device, wherein the selection unit causes the second light emitting unit to emit light by passing a current in the second direction having the predetermined frequency. The railway light emitting device according to claim 9,
Signal pattern generating means for generating a signal pattern for causing the second light emitting unit to blink and emit light in a predetermined pattern with respect to the current in the second direction selectively passed by the selecting means; A featured light-emitting device for railways. A railway light-emitting device comprising a railway light-emitting device and a railway light-emitting device controller for controlling the railway light-emitting device, wherein the railway light-emitting device and the railway light-emitting device controller are connected by a pair of cables. In the control system
The railway light emitter is
First light emitting means for emitting light based on a current in a first direction;
Current passing means for passing a current in a second direction different from the first direction;
Selection means for selectively passing a current in the second direction that meets a predetermined condition;
A second light emitting means for emitting light with a light distinguishable from the light emitted by the first light emitting means by the current in the second direction selectively passed by the selecting means,
The railway light-emitting device controller is
When the first signal for controlling the lighting of the first light emitting means is output by the current in the first direction, and when the first signal is not output, the current in the second direction is First light emission control means for performing disconnection detection processing based on whether the cable and the railroad light emitter flow or not;
Generating and outputting a second signal for controlling the lighting of the second light-emitting means, which is distinguishable from the current for performing the disconnection detection process, which is a current in the second direction; Light emission control means;
A signal supplied to the railway light-emitting device via the cable includes the first signal output from the first light emission control means and the second signal output from the second light emission control means. A railway light-emitting device control system comprising: switching means for switching between signals. The railway light emitting device control system according to claim 15,
If the first signal and the second signal are not output, the railway light-emitting device control device has a current in the second direction that does not meet the predetermined condition as a current for performing the disconnection detection process. Always outputs current,
When the railroad light emitter receives a supply of current for performing the disconnection detection process,
The current passing means passes the current in the second direction;
The railway light-emitting machine control system, wherein the selection means does not allow the current in the second direction to pass through the second light-emitting means. In the visual confirmation system for confirming that the lighting or extinguishing of the light emitting device for railways can be visually confirmed from the visual recognition point,
The railway light emitter is
First light emitting means for emitting light based on a current in a first direction;
Current passing means for passing a current in a second direction different from the first direction;
Selection means for selectively passing a current in the second direction that meets a predetermined condition;
Second light emitting means for receiving a current in the second direction selectively passed by the selecting means and emitting light in a predetermined light emission pattern with light distinguishable from light emitted by the first light emitting means. And
The railway light emitter control device for controlling the railway light emitter is:
When the first signal for controlling the lighting of the first light emitting means is output by the current in the first direction, and when the first signal is not output, the current in the second direction is First light emission control means for performing disconnection detection processing based on whether the cable and the railroad light emitter flow or not;
Generating and outputting a second signal for controlling the lighting of the second light-emitting means, which is distinguishable from the current for performing the disconnection detection process, which is a current in the second direction; Light emission control means;
A signal supplied to the railway light-emitting device via the cable includes the first signal output from the first light emission control means and the second signal output from the second light emission control means. Switching means for switching between signals,
Confirmation that the lighting or extinguishing of the first light emitting means of the railway light emitting device can be reliably seen from the viewing point by detecting the light emission pattern of the second light emitting means of the railway light emitting device. The device
Storage means for storing a light emission pattern of the second light emitting means of the railway light emitter;
Photographing means for photographing lighting of the second light emitting means;
And a determination unit that performs image processing on an image captured by the imaging unit and determines the identity between the captured light emission pattern and the light emission pattern of the second light emission unit stored by the storage unit. Visual confirmation system. The visual confirmation system according to claim 17,
If the first signal and the second signal are not output, the railway light-emitting device controller always outputs a current that does not meet the predetermined condition as a current for performing the disconnection detection process. ,
When the railroad light emitter receives a supply of current for performing the disconnection detection process,
The current passing means passes the current in the second direction;
The visual confirmation system, wherein the selection means does not pass the current in the second direction to the second light emitting means.

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