KR200192249Y1 - Automatic control system of a signal lamp for train - Google Patents

Abstract

The present invention relates to a traffic light control device for controlling the operation of the train traffic lights installed along the track, in particular, a wheel detection unit for detecting the wheel of the train; A transmission / reception unit for receiving or transmitting data on the number of wheels of the train to pass and a signal indicating completion of the passing of the train; A traffic light operated by a predetermined control signal; A storage unit which stores data on the number of wheels counted through the wheel detection unit or data on the number of wheels received through the transceiver unit; It is connected between the wheel detection unit, the transmission and reception unit, the traffic light, and the storage unit, and determines whether the train passes through the transmission and reception unit, the wheel detection unit and the storage unit, controls the traffic lights, and transmits the number of wheels of the passing train. Train signal light automatic control device characterized in that it comprises a control unit.

The present invention, by detecting the number of wheels of the train to determine whether the train passes, and by using the data on the number of wheels transmitted in the previous section at the time of determination, by determining the track occupation state of the preceding train accurately Not only can determine and automatically inform subsequent trains, but its configuration is simple and the maintenance and installation costs are low, so it is possible to automatically control traffic lights at low cost.

Description

AUTOMATIC CONTROL SYSTEM OF A SIGNAL LAMP FOR TRAIN}

The present invention relates to a traffic light control device for controlling the operation of the train traffic lights installed along the track, in particular, the wheel detection means for detecting the number of wheels of the train passing through the point at a predetermined distance along the track After installation, by determining whether the train passes and the track occupancy state through the wheel detection means to automatically control the traffic lights, it is easy to install, inexpensive, according to the track occupancy state of the preceding train without additional equipment It is for unmanned automatic control of traffic lights accurately.

As is well known, trains are a vehicle that emphasizes safety and driving efficiency compared to other vehicles because of the characteristics of mass transportation.

Therefore, in order to secure the safety of trains and improve the efficiency of operation, the train automatic stop device (AUTO-MATIC TRAIN STOPPER: hereinafter referred to as ATS), the train automatic control device (AUTOMATIC TRAIN CONT- ROL: hereinafter referred to as ATC), and the train automatic operation device Train operation automatic control devices such as (AUTOMATIC TRAIN OPERATION: hereinafter called ATO) have been developed and used.

However, the conventional automatic train operation control device as described above is composed of a ground device installed on the track, a vehicle-mounted device mounted on the train, etc., which is a high-tech equipment which secures the safety of the train and improves the driving efficiency, and its configuration is complicated. In addition, since installation costs and operating costs are expensive and professional training has to be performed, there is a problem in that installation and operation cannot be made without securing a large budget.

Therefore, on a track that does not have an automatic train control system such as ATS, ATC, or ATO, a signal source dedicated to the signal resides, providing the engineer with information about the distance from the preceding train and the passage of the point. It is notified through hand signals or manually operated signals, which requires a lot of manpower, and can cause an accident when a signal source occurs or can not signal or cause an accident if a signal is wrong. There was a back. An example of operating the signal form as described above is India, where a person resides at a certain distance or a major section in India to inform the engineer of the track occupancy status of the train.

An object of the present invention is to solve the conventional problems as described above, in particular, after installing the wheel detection means and a signal at a predetermined distance along the track, and whether the train passes through the wheel detection means and occupies the track By detecting the state and automatically controlling the operation of the traffic light, it is to provide a 'train light automatic control device' that can automatically control the traffic light with a simple installation and low cost.

That is, if the number of wheels of the train passing through one automatic traffic light control device is counted and transmitted to the next traffic light automatic control device, the next traffic light automatic control device stores data on the number of wheels transmitted. When the number of wheels passing through is equal to the number of wheels transmitted, it is recognized as the passage of trains and the traffic lights are linked to control the traffic. It is to inform the train automatically through the lighting of the lights.

1 is a block diagram showing the configuration of the present invention 'train light automatic control device',

Figure 2 is a use installation diagram schematically showing an installation state of the present invention 'train light automatic control device',

3 is a signal flow diagram illustrating a control process of the controller of the present invention 'train light automatic control device',

4 is a circuit diagram showing an example of a configuration of a wheel detection unit of the present invention;

FIG. 5 is a view showing an example of an installation state of the wheel detection unit antenna unit of FIG. 4; FIG.

Explanation of symbols on the main parts of the drawings

10, 10a, 10b, 10c: wheel detection unit 20, 20a, 20b, 20c: control unit

30,30a, 30b, 30c: transceiver 40,40a, 40b, 40c: traffic light

50, 50a, 50b, 50c: storage unit S10: wheel data receiving step

S20: Train passing detection step S30: Wheel counting step

S40: wheel data transmission step S50: traffic light control step

In order to achieve the above object, the present invention 'train light automatic control device', the wheel detection unit for detecting the wheel of the train; A transmission / reception unit for receiving or transmitting data on the number of wheels of the train to pass and a signal indicating completion of the passing of the train; A traffic light operated by a predetermined control signal; A storage unit which stores data on the number of wheels counted through the wheel detection unit or data on the number of wheels received through the transceiver unit; A control unit connected between the wheel detecting unit, the transmitting / receiving unit, the traffic light, and the storage unit to determine whether the train passes through the transmitting / receiving unit and the wheel detecting unit, to control the traffic light, and to transmit the number of wheels of the passing train. It is characterized by its technical configuration.

In addition, the wheel detection unit, characterized in that made of an Excel counter.

When the data on the number of wheels of the train to pass through the transceiver is received, the controller subtracts the number of wheels detected through the wheel detection unit from the received number of wheels, and the vehicle is zero. It is characterized by judging by the passing of the train when the time.

When the wheel is detected in a state in which data on the number of wheels of the train to pass through is not received, the controller is further configured to store the detected number of wheels so that a predetermined time elapses. If not, it is determined that the passage of the train, or when the signal is received that indicates that the wheel starts to be detected in the next wheel detection unit is characterized in that the determination of the passage of the train.

For example, when a train departs from a station, data on the number of wheels of the train to pass through is not received. In this case, the number of wheels is no longer detected so that a predetermined time elapses, or the next train signal lamp is installed. When the wheel starts to be detected by the wheel detecting unit of the automatic control device, the traffic light is controlled by recognizing the passage of the train.

In addition, the control unit is characterized in that the traffic light is controlled by interlocking two or more sections in which the wheel detection unit and the traffic light are installed.

For example, it is controlled by interlocking three sections in which traffic lights are installed, and the signal colors are blue, yellow, and red, respectively, and the speed of the train is freely driven according to the color sequence. In case of controlling by deceleration driving and stop, when the train passes the traffic light installation section and enters the next section, the red traffic light is entered, the yellow traffic light is entered after entering the next section, and the blue traffic light is entered after the next section. It can be lit to indicate the line occupation status of the preceding train.

In addition, the controller continuously detects whether data on the number of wheels of the train is received through the transceiver, and when data on the number of wheels of the train to pass through is received, stores the data on the number of wheels received. A wheel data receiving step for storing in the; When the data on the number of wheels of the train to pass through is received and stored as a result of performing the wheel data receiving step, when the wheel of the train is detected by continuously detecting whether a signal input from the wheel detection unit exists. The train passing detection step may include: subtracting the number of wheels detected from the data on the received number of wheels, and recognizing this as the passage of the train when the value is zero; As a result of performing the wheel data detection step, when wheels are detected without receiving data on the number of wheels of a train to pass, no more wheels are detected so that a predetermined time elapses while storing the detected number of wheels. If not, the wheel counting step of recognizing this as passing of the train; A wheel data transmission step of transmitting data on the number of wheels received or data on the number of wheels counted when it is determined that the train has passed in the train passing detection step or the wheel counting step; After performing the wheel data transmission step, it characterized in that the step of controlling the traffic light step by step.

In addition, the transceiver, characterized in that configured as a wireless transmitter and receiver for wireless transmission and reception of data on the number of wheels of the train.

The present invention 'train signal light automatic control device configured as described above, in particular, detects the number of wheels of the train to determine whether the train passes, using the data on the number of wheels transmitted in the previous section at the time of the determination By judging, it is possible to accurately determine the track occupancy state of the preceding train to automatically inform subsequent trains.

In addition, the configuration is simple, and the maintenance and installation cost is low, so that the automatic control of the traffic light at low cost.

Hereinafter, with reference to the accompanying drawings for an embodiment according to the technical idea of the present invention 'train light signal automatic control device configured as described above in detail as follows.

<Example>

In this embodiment, three sections in which traffic lights are installed are interlocked to operate the traffic lights, and the traffic light colors are blue, yellow, and red, respectively.

The traffic light shall be blue for free operation (operation capable of freely speeding within the maximum allowable speed), yellow for deceleration operation (operation for which speed should be reduced below a certain speed), and red for stop.

In addition, a train shall depart from a station. Therefore, the first traffic light is blue indicating free driving, in which case there is no reception of data on the number of wheels of the train to pass. At this time, whether or not the train passes, the wheel is detected and if no more wheels are detected so that a predetermined time elapses, it is recognized as the passage of the train.

In this embodiment, the wheel detection unit is configured by using an Excel counter, the control unit is configured by a microcomputer, and the storage unit is configured by an internal memory controlled by the microcomputer. For convenience of description, the Excel counter will be referred to as a wheel detection unit and a microcomputer as a control unit.

The accelerator counter is a device that detects a wheel by using an effect of decreasing the gain of the oscillation frequency due to a change in inductance when a metal object approaches the LC oscillation circuit. As illustrated in FIGS. 4 and 5, the LC counter An antenna unit (11a) formed of an oscillation circuit and installed in a railway line; A detector (11b) for detecting a gain change due to a change in inductance that changes when a wheel of a train approaches the antenna unit; It consists of a hold part 11c and a regulator part 11d. The Excel counter 11 receives LC power from the detector 11b and performs LC oscillation. When the wheel (metal object) of the train approaches, the gain is changed due to the change in inductance. In operation 11b), a signal indicating the detected signal is output. 5 shows the line attachment state of the Excel counter antenna unit 11a.

Hereinafter, the configuration of the present embodiment will be described.

First, as shown in Figure 2, the traffic light automatic control device (A, B, C) of the present invention is provided for each section.

At this time, each of the automatic traffic light control devices (A, B, C), as shown in the figure, the wheel detection unit (10a, 10b, 10c), the traffic lights (40a, 40b, 40c) and the control unit 20a, 20b, and 20c, storage units 50a, 50b, and 50c, and transceivers 30a, 30b, and 30c, and the transceivers 30a, 30b, and 30c are interconnected by wire or wirelessly. In this embodiment, it is assumed that the wire is connected.

Hereinafter, the operation of the present embodiment configured as described above will be described in detail with reference to FIG. 3.

First, when power is applied to the apparatus, the controller 20a performs the wheel data detection step S10 and the wheel count step S30 to determine whether there is data about the number of wheels received by the transceiver 30a. Whether the data for wheel detection is input through the wheel detection unit 10a is continuously detected.

At this time, when the train departs from the starting station which is the first starting position, the wheel of the train is detected through the wheel detecting unit 10a.

Then, the controller 20a performs the wheel counting step S30 to perform the operation of counting and storing the number of wheels until no more wheels are detected so that a predetermined time elapses.

At this time, when no more wheels have been detected for a predetermined time, it is recognized as the passage of the train, and the data on the counted number of wheels is transmitted to the next traffic light automatic control device (B), and then the traffic light is first transmitted. It turns on from blue to red.

On the other hand, the control unit 20b of the automatic traffic light control device B performs the vehicle data receiving step (S10) and the wheel counting step (S30) to determine whether or not there is data on the number of wheels received by the transceiver 30b. While continuously detecting whether data for wheel detection is input through the wheel detection unit 10b, and receiving the data on the number of wheels of the train from the automatic signal transmitting / receiving unit 30a of the traffic light of A, After storing in 50b), the train passes through step S20.

That is, when the wheel of the train is detected while waiting for the wheel of the train to be detected in the wheel detecting unit 10b, a value obtained by subtracting the number of wheels detected from the value for the number of wheels stored in the storage unit 50a is subtracted. Until it is zero.

Then, when the value obtained by subtracting the value for the number of wheels detected from the value for the number of wheels received is zero, it is recognized as a train passing.

On the other hand, as a result of performing the train passing detection step (S20), if it is determined that the passage of the train is completed, the data on the received number of wheels to the transmission and reception unit 30a of the next traffic light automatic control device (C) After performing the wheel data transmission step (S40) for transmitting the signal indicating the passage of the train to the automatic signal light control device of A and performing the traffic light control step (S50), the traffic light 40b is initially blue. The color of the light turns red.

At this time, the traffic light 40a of the A is changed from red to yellow due to the signal for passing the train transmitted to the automatic traffic light control device of A.

On the other hand, the automatic traffic light control device of C detects whether the train passes by the same method as the automatic traffic light control device of B, and when it is determined that the train has passed, it automatically controls the traffic lights of A and B. To the device.

Then, the traffic light 40a of A changes from yellow to blue, the traffic light 40b of B changes from red to yellow, and the traffic light of C changes from blue to red, and repeats the above process. Automatic control.

In other words, by detecting the number of wheels to determine whether the train passes, and automatically control the traffic lights in accordance with the determination result it is possible to automatically control the traffic lights at low cost.

However, in the above embodiment, the wheel detection unit is configured as an Excel counter, but the wheel detection unit of the present invention is not limited to the Excel counter.

For example, it is noted that data on the number of wheels can be detected by contact sensors, light sensors, or other devices.

In addition, in the above embodiment, the number of wheels detected from the number of wheels received is subtracted from the number of wheels received to recognize the passage of the train as a train passage, but the technical idea of the present invention is not limited thereto. Put it.

For example, when the two values become the same, it can be recognized as the completion of the passage of the train.

In addition, in the above embodiment, but configured to transmit the data on the number of wheels and the signal for the completion of the train passing by wire, it will be understood that it can be configured to perform the same function through a wireless transceiver.

In addition, in the above embodiment, the three traffic light installation section (that is, three automatic traffic light control device) to be linked to the control, but the number is not limited.

As described above, the present invention 'train light signal automatic control device', in particular, after installing the wheel detection means at a predetermined distance along the track, through the wheel detection means to determine whether the train passes and track occupation state By judging and automatically controlling the traffic lights, it is possible to automatically control the traffic lights at low cost.

Claims (7)

A wheel detection unit detecting a wheel of the train; A transmission / reception unit for receiving or transmitting data on the number of wheels of the train to pass and a signal indicating completion of the passing of the train; A traffic light operated by a predetermined control signal; A storage unit which stores data on the number of wheels counted through the wheel detection unit or data on the number of wheels received through the transceiver unit; It is connected between the wheel detection unit, the transmission and reception unit, the traffic light, and the storage unit, and determines whether the train passes through the transmission and reception unit, the wheel detection unit and the storage unit, controls the traffic lights, and transmits the number of wheels of the passing train. Train signal automatic control device characterized in that it comprises a control unit. The apparatus of claim 1, wherein the wheel detection unit comprises an Excel counter. The method of claim 1, wherein when the controller receives data on the number of wheels of the train to pass through the transceiver, the controller subtracts the number of wheels detected through the wheel detection unit from the received number of wheels. Automatic control system for train traffic lights, characterized in that the determination of the passage of the train when it is zero. The method of claim 1, wherein the controller is further configured to store the detected number of wheels when a predetermined time elapses when the wheel is detected in a state in which data on the number of wheels of the train to pass through is not received. If the wheel is not detected, it is determined that the passage of the train, or when the signal is received when the signal indicating that the wheel has started to be detected from the next wheel detection unit installed, the automatic control of the train traffic light, characterized in that judged. The automatic traffic light control apparatus according to claim 1, wherein the controller controls the traffic lights by interlocking two or more sections in which the wheel detection unit and the traffic lights are installed. The method of claim 1, wherein the control unit continuously detects whether data on the number of wheels of the train is received through the transceiver and, when data on the number of wheels of the train to pass through is received, A wheel data receiving step of storing data in a storage unit; When the data on the number of wheels of the train to pass through is received and stored as a result of performing the wheel data receiving step, when the wheel of the train is detected by continuously detecting whether a signal input from the wheel detection unit exists. The train passing detection step may include: subtracting the number of wheels detected from the data on the received number of wheels, and recognizing this as the passage of the train when the value is zero; As a result of performing the wheel data detection step, when wheels are detected without receiving data on the number of wheels of a train to pass, no more wheels are detected so that a predetermined time elapses while storing the detected number of wheels. If not, the wheel counting step of recognizing this as passing of the train; A wheel data transmission step of transmitting data on the number of wheels received or data on the number of wheels counted when it is determined that the train has passed in the train passing detection step or the wheel counting step; And a traffic light control step of controlling a traffic light after the wheel data transmission step is sequentially performed. The apparatus of claim 1, wherein the transceiver unit comprises a wireless transceiver for wirelessly transmitting and receiving data on the number of wheels of a train.