KR970002514Y1 - Automatic brake system of a railway crossing - Google Patents

Abstract

None.

Description

Automatic shutoff device of railroad crossing

1 is a block diagram showing the configuration of the present invention.

2 is a flowchart showing an operating state of the present invention.

3 shows an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

1: first detecting unit 2: first detecting sensor

3: first speed sensor 4: second detection unit

5: 2nd detection sensor 6: 2nd speed sensor

7: preliminary alarm generator 8: speaker

9: interface input circuit 10: comparison circuit

11: check circuit 12: central processing unit

13: drive 14: timer

15: breaking mechanism 16: breaker

The present invention is a cutoff device for railroad crossings, the operation time of the breaker is automatically set according to the speed and length of the train passing through the railroad crossing, and the cut-off of the railroad crossing so as to cut off the crossing only during this set time. Relates to a device.

In general, the railroad crossings are equipped with breakers for smooth operation of trains and safe passage of vehicles and people passing through the railroad crossings, and these breakers have been automated by manual, and most breakers are automatically closed when they reach cash. It is designed to detect the passing of trains.

On the other hand, the breaker as described above was installed a detection device for detecting the passing of the train at a certain distance from the crossing, the detection device detects the passing of the train and delivers the detected signal to the breaker driving device for a predetermined time As the breaker was supposed to operate, each crossing was operated uniformly regardless of the speed of the train or the length of the train.

However, in the related art, the operation start and end times of the breaker are operated uniformly for a predetermined time regardless of the speed or length of the train, so that the operation time is required when the train length is short or the speed is high. The longer the longer the waiting time of the vehicle waiting for the passage of the train, etc., resulting in the loss of time, such as causing traffic jams.

In addition, if the speed of the train passing through the crossing is very slow or the length of the train is long (in this case, most of the freight trains), the breaker will open even if the train does not pass the crossing, There was a risk of causing a collision, and the above problems often caused a collision of large trains and automobiles, leading to a large-scale human accident.

The present invention has a detection means for detecting the speed and the length of the train in two stages at a certain distance from the railroad crossing in view of the conventional problems as described above, the speed and the length of the passage of the train to detect the two stages The speed and length of the train are detected by the means, and the operating time of the breaker is set according to the calculated signal so that the breaker is operated only as much as the actual time for the train to cross the railroad crossing. In order to prevent this to be described in detail based on the accompanying drawings as follows.

In installing a circuit breaker at a railroad crossing, a first detection unit 1 having a first detection sensor 2 and a first speed sensor 3 connected to the preliminary alarm generator 7 at a predetermined distance from the railroad crossing is installed. The second sensing unit 4 having the second sensing sensor 5 and the second speed sensor 6 is installed at a predetermined distance from the first sensing unit 1, and the first and second sensing units are installed. Part (1) (4) is connected to the interface input circuit (9), respectively, and the preliminary alarm generator (7) is connected to the speaker (8).

The interface input circuit (9) connects the comparison circuit (10) and the checking circuit (11), and connects and installs a central processing unit (CPU) 12. The central processing unit (CPU) 12 drives (13) and the timer 14 are connected.

The circuit breaker driver 15 is connected to the drive 13 and the timer 14, and the circuit breaker driver 15 is provided with a circuit breaker 16.

According to the present invention configured as described above, when the traveling train reaches the first point, that is, the position of the first detection unit 1 based on the crossing, the first detection sensor 2 of the first detection unit 1 is obtained. And a signal detected by the first speed sensor 3 to detect the speed at the time of passing the first point of the train and the first part of the train passing through the first point and the end of the train passing through the first point. The train, which is transmitted to the input circuit 9 and continues to travel, is again the second detection sensor 5 and the second speed sensor 6 of the second detection unit 4 separated by a predetermined distance from the first detection unit 1. By passing through the first and last part of the train and the speed of travel is detected, these signals are transmitted to the interface input circuit (9).

As described above, the train senses the state of entering the railroad crossing and the signal whose speed is detected is applied to the comparison circuit 10 through the interface input circuit 9, and the comparison circuit 1 performs 1, by comparing the speed and the length of the train sensed by the second detection unit (1) (4), calculates and applies it to the check circuit (11) to check, and the check signal is the central processing unit (CPU) ( 12). At this time, the signal detected by the train in the first detection unit 1 operates the preliminary alarm generator 7 to raise the alarm sound through the speaker 8 located at the crossing until the train passes completely.

The signal applied to the central processing unit (CPU) 12 is the operation of the breaker that can safely pass the railroad crossing the train, depending on whether the breaker 16 and the length and speed of the train, together with the timer (14). Calculate and set the time, the driving and operation time of the circuit breaker is transmitted to the circuit breaker driver 15 via the timer 14 and the drive 13, the circuit breaker driver 15 is the second sensor 4 The circuit breaker is operated for a set time almost coinciding with the signal detection.

The present invention, as illustrated in FIG. 3, for example, installs a first point at 4 Km from the crossing, installs a second point 2 Km away from the first point, and speeds at the first point. In the case of a train 50m in length of 60 km, it takes 2 minutes from the first point to the second point, and 2 minutes from the second point to the crossing entrance. It is possible to enable the crossing breaker to operate when entering the train, and if the speed of the train is 30 km / h in the above conditions, there is no need to operate the breaker when entering the second point, and the 1 Km from the second point. When the breaker is activated further, the vehicle or people waiting at the crossing wait for only two minutes, the crossing time of the train, regardless of the speed of the train. If it is possible to pass through the crossing.

Therefore, when the speed of the train is fast or its length is short, the operation time of the breaker is shortened, and when the speed of the train is relatively slow or long, the operation time of the breaker until its passage is automatically adjusted automatically. This will be possible.

As described above, the present invention detects and calculates the passing time according to the speed and the number of trains when the train crosses the railroad crossing, and immediately after passing the railroad crossing of the train by appropriately adjusting the breaking operation time of the breaker according to the calculated signal. Vehicles can pass, and by detecting the first detection unit 1 and giving a preliminary warning before the breaker is operated, it is possible to prevent a safety accident at the crossing, and to prevent traffic jams through smooth traffic at the crossing. It has features such as being able to do it.

Claims (1)

In installing the breaker at the railroad crossing, the first sensing unit 1 having the first sensing sensor 2 and the first speed sensor 3 is installed at an appropriate distance from the crossing and is connected to the speaker 8. The preliminary alarm generator 7 is connected, and the second sensing unit 4 having the second sensing sensor 5 and the second speed sensor 6 is positioned at a predetermined distance from the first sensing unit 1. The first sensing unit 1 and the second sensing unit 4 are connected to the comparing circuit 10 for comparing the sensed signals via the interface input circuit 9, and applied by the comparing circuit 10. The signal is connected to the central processing unit (CPU) 12 connected to it through the check circuit 11, the drive 13 and the timer 14 is connected to the central processing unit, the signal transmitted from each sensing unit To set the operation time of the circuit breaker, and a signal for the set time is applied to the circuit breaker driver 15 Of crossing, it characterized in that the group hayeoseo configured to operate car stage device.