JP3654419B2 - Train approach information transmission system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a train approach information transmission system for notifying a train track maintenance worker when a track maintenance work is performed, and evacuating the train.
[0002]
[Prior art]
FIG. 3 is a configuration diagram showing a conventional train approach information transmission system, in which 1 is a train, 2 is a track (rail) on which the train 1 travels, 3 is provided according to the kilometer of the track 2, Contact point that outputs the approach signal of the train 1, 4 is an alarm transmitter that transmits an alarm signal in response to the approach signal output from the contact point 3, 5 receives an alarm signal transmitted from the alarm transmitter 4, and an alarm sound Is an alarm receiver that outputs.
[0003]
Next, the operation will be described.
When the track maintenance work is performed during the operation time zone of the train 1, when the train 1 on the track 2 approaches, the display of the traffic light is changed according to the approach signal from the contact 3, and an alarm signal is transmitted from the alarm transmitter 4. Then, the alarm receiver 5 carried by the watchman outputs an alarm sound in response to the reception of the alarm signal, thereby taking retreat action for avoiding danger.
[0004]
[Problems to be solved by the invention]
Since the conventional train approach information transmission system is configured as described above, it is impossible to output a detailed alarm sound according to the position of the train 1, so that an alarm sound is output at both ends of the area of the alarm transmitter 4. There is a problem that a time difference occurs from when the train 1 approaches and the efficiency of track maintenance work deteriorates.
In addition, safety is ensured when the watchman carrying the alarm receiver 5 is in the area of the alarm transmitter 4, but safety is not secured if the watcher goes out of the area due to moving work. was there.
Furthermore, when the work place is changed, removal and temporary installation of these train approach information transmission systems must be repeated, which causes a problem that the work becomes troublesome.
[0005]
The present invention has been made to solve the above-described problems, and can output detailed train approach voice information according to the position of the train, and can easily cope with changes in the work place. The purpose is to obtain a transmission system.
[ 0006 ]
[Means for Solving the Problems]
The train approach information transmission system according to the invention is set a plurality of types of trains approaching the audio information together with the trajectory circuit and its track circuit is provided corresponding to two leaky coaxial cables installed in the track range competent Selecting the train approach voice information according to the train position information output from any one of the plurality of track circuits, and leaking coaxial depending on the necessity of transmission of the selected train approach voice information A train approaching radio device that sets transmission or non-transmission for each section range where cables are installed is provided.
[ 0007 ]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described below.
Embodiment 1 FIG.
1 is a block diagram showing a train approach information transmission system according to Embodiment 1 of the present invention. In the figure, 1 is a train, 2 is a track (rail) on which the train 1 travels, and 3 is about 200 m of the track 2. The contact points 11a and 11b that output the approach signal of the train 1 are provided for each track range of 2 km to 5 km of the track 2, and the approach signal from the contact point 3 of the track range in charge It is a track circuit that outputs the corresponding train position information.
12a to 12d each divide each track range into two, and leaky coaxial cables laid along the track 2 for each section range; 13a and 13b are track circuits 11a and 11b and the track circuits 11a, 11b is provided corresponding to each of the two leaky coaxial cables 12a and 12b and the leaky coaxial cables 12c and 12d laid in the track range controlled by 11b, and plural types of train approach voice information are set in advance, and the track circuit 11a, This is a train approach radio device that selects train approach voice information according to the train position information output from 11b and outputs it to the corresponding two leaky coaxial cables 12a and 12b and leaky coaxial cables 12c and 12d. Reference numeral 14 denotes a wireless receiver that receives train approach voice information transmitted from the leaky coaxial cables 12a to 12d and outputs a sound corresponding to the train approach voice information.
[ 0008 ]
Next, the operation will be described.
When the train 1 travels on the track 2, the contact 3 detects the position of the train 1 and outputs an approach signal. In FIG. 1, since the train 1 exists on the track 2 that the track circuit 11a has jurisdiction over, the approach signal is output from the contact 3 to the track circuit 11a. The track circuit 11a determines which contact point 3 uses the approach signal, and outputs train position information indicating the current position of the train 1 to the train approach radio apparatuses 13a and 13b according to the determination result.
A plurality of types of train approach voice information are set in advance in the train approach radio apparatuses 13a and 13b. As this train approach voice information, for example,
Depart A station,
1km from A station to B station,
Passing from A station to B station,
Passing 1km before B station,
Stop at station B,
Passing through station B,
Etc. are set. In the train approach radio apparatuses 13a and 13b, when there is corresponding train approach voice information according to the train position information output from the track circuit 11a, the two leaky coaxial cables 12a corresponding to the corresponding train approach voice information are selected. , 12b and leaky coaxial cables 12c, 12d, respectively.
Leaky coaxial cables 12a-12d laid along the track 2 transmit train approach voice information, and the radio receiver 14 carried by the watchman approaches the train approach transmitted from the leaky coaxial cables 12a-12d. By receiving the voice information and outputting the voice corresponding to the train approach voice information, the evacuation action for avoiding danger can be taken.
[ 0009 ]
As described above, according to the first embodiment, a plurality of types of train approach voice information are set in advance in the train approach radio apparatuses 13a and 13b, and according to the train position information output from the track circuits 11a and 11b, Since the corresponding train approach voice information is selected and transmitted, the radio receiver 14 carried by the watchman can output a fine train approach voice corresponding to the position of the train 1, It is possible to know the current position of the train 1 accurately regardless of the position of the track 2 on the track 2 and to improve the efficiency of the track maintenance work, and to ensure the safety even in the moving work. .
In addition, since the train approach voice information is transmitted from the leaky coaxial cables 12a to 12d laid along the track 2, the alarm receiver 5 receives the radio wave transmitted from the alarm transmitter 4 as in the prior art. As compared with the above, the reception state by the wireless receiver 14 can be improved, and good line quality can be ensured. In general, since an existing leaky coaxial cable is laid on the track 2 to communicate with the train 1, the existing leaky coaxial cable can be used at low cost. Then, if these train approach information transmission systems are installed as main facilities using the existing leaky coaxial cable, the train approach information transmission system can be removed or temporarily installed when the work place is changed as in the conventional technology. Can be eliminated.
[ 0010 ]
In addition, according to the said Embodiment 1, although train approach audio | voice information was transmitted from leaky coaxial cable 12a-12d, from train approach radio | wireless apparatus 13a, 13b, without using those leaky coaxial cables 12a-12d. Train approach voice information may be transmitted, and the alarm receiver 5 may directly receive the transmitted radio wave.
Further, according to the first embodiment, the train approach radio information is output from the train approach radio apparatuses 13a and 13b to the two leaky coaxial cables 12a and 12b and the leaky coaxial cables 12c and 12d, respectively. In the wireless devices 13a and 13b, the leaky coaxial cable that outputs train approaching voice information is only the leaky coaxial cable 12a, the leaky coaxial cable 12c, or the leaky coaxial cable 12b, the leaky coaxial cable 12d, or the leaky coaxial cable 12a, 12b and leaky coaxial cables 12c and 12d may be switchable. In this case, transmission or non-transmission is performed for each section in which each leaky coaxial cable is laid according to the necessity of transmission of train approach voice information. It can be set and unnecessary train connection to a segment range that does not require train approach voice information. It is possible to prevent the transmission of voice information.
Furthermore, according to the first embodiment, the number of track ranges is two, but the number of track ranges may be three or more.
[ 0011 ]
Embodiment 2. FIG.
FIG. 2 is a block diagram showing a train approach information transmission system according to Embodiment 2 of the present invention. In the figure, 21a and 21b indicate train approach voice information according to the train position information output from the track circuits 11a and 11b. This is a train approaching radio apparatus that selects and outputs to the corresponding two leaky coaxial cables 12a, 12b and leaky coaxial cables 12c, 12d together with a code (identifier) 22 indicating the track circuit. 23, a code (identifier) corresponding to the track range is set in advance, receives the code 22 and train approaching voice information transmitted from the leaky coaxial cables 12a to 12d, the preset code and the received code 22 Is a wireless receiver that outputs a sound corresponding to the train approaching voice information received when they match.
Since other configurations are the same as those in the first embodiment, a duplicate description is omitted.
[ 0012 ]
Next, the operation will be described.
The train approaching radio devices 21a and 21b have two leaky coaxial cables 12a and 12b corresponding to the train approach voice information and the reference numeral 22 indicating the track circuit 11a according to the train position information output from the track circuit 11a. Output to cables 12c and 12d, respectively.
On the other hand, the radio receiver 23 carried by the watcher can freely set a code corresponding to the track range, and the watchman who performs the track maintenance work in the track range controlled by the track circuit 11a has the track circuit 11a. A code corresponding to the orbital range is set in the wireless receiver 23. In addition, when performing track maintenance work in the track range controlled by the track circuit 11b, a code corresponding to the track range of the track circuit 11b is set in the radio receiver 23.
The leaky coaxial cables 12a to 12d laid along the track 2 transmit the code 22 together with the train approaching voice information, and the radio receiver 23 carried by the watchman from the leaky coaxial cables 12a to 12d. The transmitted train approach voice information and the code 22 are received, and when the preset code and the received code 22 are matched and matched, the voice corresponding to the received train approach voice information is output.
In the case of FIG. 2, the train 1 travels on the track 2 that the track circuit 11a has jurisdiction over, and the train approaching radio devices 21a and 21b output the code 22 indicating the track circuit 11a. From the radio receiver 23 of the watchman who performs the track maintenance work in the track area in his / her jurisdiction, a sound corresponding to the train approaching voice information is output, and a retreating action for avoiding danger can be taken. Also, no sound is output from the radio receiver 23 of the watchman who is performing track maintenance work in the track range controlled by the track circuit 11b, and output of unnecessary information to the watcher can be prevented.
[ 0013 ]
As described above, according to the second embodiment, the train approaching radio devices 23a and 23b output the code 22 corresponding to the track circuits 11a and 11b that output the train position information, and the radio receiver 23 Since the codes corresponding to the track ranges controlled by the track circuits 11a and 11b can be freely set, and the codes corresponding to the train approach voice information received when the codes match, the train approach voice information is necessary. In the track range, the sound corresponding to the train approach voice information is output, and the evacuation action can be taken to avoid danger. In the track range where the train approach sound information is unnecessary, no sound is output and unnecessary. Information output can be prevented.
[ 0014 ]
According to the second embodiment, the train approach radio devices 21a and 21b output the code 22 corresponding to the track circuits 11a and 11b that output the train position information, and the radio receiver 23 uses the track circuit 11a. , 11b can be set according to the track range, but the train approaching radio devices 21a, 21b output the code according to the selected train position information, and the radio receiver 23 The codes corresponding to the plurality of train position information can be set freely, and the radio receiver 23 may output only a plurality of train position information whose codes coincide with each other. In this case, other track ranges Even if the train 1 is running, the sound can be output if the train position information is necessary.
Further, according to the second embodiment, the portable radio receiver 23 is used. However, a portable receiver such as a trunk or a stationary speaker can be used instead.
[ 0015 ]
【The invention's effect】
As described above, according to the present invention, a plurality of types of trains approaching the audio information together with the trajectory circuit and its track circuit is provided corresponding to two leaky coaxial cables installed in the track range competent is set Selecting the train approach voice information according to the train position information output from any one of the plurality of track circuits, and leaking coaxial depending on the necessity of transmission of the selected train approach voice information Because it is configured to have a train approaching radio device that sets transmission or non-transmission for each section where cables are laid, it is possible to approach the train closely according to the train position from the radio receiver carried by the watchman Audio can be output, the watchman can know the current position of the train accurately regardless of the position of the track, and the efficiency of track maintenance work can be improved. It is a mobile work it is possible to ensure the safety.
Moreover, since it comprised so that a leaky coaxial cable might be provided, the receiving state by a radio | wireless receiver can be made favorable, and favorable line quality can be ensured. In general, since an existing leaky coaxial cable is laid on the track to communicate with the train, the existing leaky coaxial cable can be used at low cost. Then, if these train approach information transmission systems are installed as main facilities using the existing leaky coaxial cable, the train approach information transmission system can be removed or temporarily installed when the work place is changed as in the conventional technology. Can be eliminated.
Furthermore, in the train approaching radio device, the leaky coaxial cable that outputs train approaching voice information can be switched to only one leaky coaxial cable, only the other leaky coaxial cable, or both leaky coaxial cables. In this case, transmission or non-transmission can be set for each division range where each leaky coaxial cable is laid according to the necessity of transmission of train approach voice information, and a segment range that does not require train approach voice information It is possible to prevent unnecessary transmission of train approach voice information.
[Brief description of the drawings]
FIG. 1 is a configuration diagram illustrating a train approach information transmission system according to a first embodiment of the present invention.
FIG. 2 is a block diagram showing a train approach information transmission system according to a second embodiment of the present invention.
FIG. 3 is a block diagram showing a conventional train approach information transmission system.
[Explanation of symbols]
1 train, 2 tracks, 3 contacts, 11a, 11b track circuit, 12a-12d leaky coaxial cable, 13a, 13b, 21a, 21b train approaching radio device, 14, 23 radio receiver, 22 code (identifier).

Claims (1)

Provided for each track range arbitrary length, and orbital circuit you output train position information corresponding to the position of the train on the track when the train is present on the competent orbital range,
By dividing the respective track range into two, and laid by the leakage mode coaxial cables along the track for each segment range,
Advance a plurality of types of trains approaching the audio information together with the upper Ki軌 road circuit and its track circuit is provided corresponding to two leaky coaxial cables installed in the track range competent is set, among the plurality of track circuit The train approach voice information is selected according to the train position information output from any one of the track circuits, and the leaky coaxial cable is laid according to the necessity of transmission of the selected train approach voice information A train approaching radio device that sets transmission or non-transmission every time ,
A train approach information transmission system comprising: a radio receiver that receives train approach voice information transmitted from the leaky coaxial cable and outputs a sound corresponding to the train approach voice information.

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