JP3167291B2 - Ground control transceiver for train control - Google Patents
Ground control transceiver for train controlInfo
- Publication number
- JP3167291B2 JP3167291B2 JP00943498A JP943498A JP3167291B2 JP 3167291 B2 JP3167291 B2 JP 3167291B2 JP 00943498 A JP00943498 A JP 00943498A JP 943498 A JP943498 A JP 943498A JP 3167291 B2 JP3167291 B2 JP 3167291B2
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- train
- receiver
- rail
- ground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ＡＴＣ等の列車制
御用に好適な列車制御用地上送受信装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ground control transmitting / receiving apparatus for controlling a train such as an ATC.
【０００２】[0002]
【従来の技術】図２は、従来の列車制御用地上送受信装
置（以下、「地上送受信装置」という）ａ′の概略構成
図であって、送信器１０ａと受信器１０ｂとから構成さ
れている。これら送信器１０ａ及び受信器１０ｂは、同
一の機器室（送受信架）１１内に所定の距離を保って設
置されている。2. Description of the Related Art FIG. 2 is a schematic diagram of a conventional ground control transmitting / receiving apparatus for train control (hereinafter referred to as "ground transmitting / receiving apparatus") a ', which comprises a transmitter 10a and a receiver 10b. . The transmitter 10a and the receiver 10b are installed at a predetermined distance in the same equipment room (transmission / reception frame) 11.
【０００３】送信器１０ａは、所定の周波数（ｆ0 ）か
らなる搬送波を所定の列車制御用データを用いて変調処
理する変調回路（ＭＯＤ）１と、変調処理された送信信
号（以下、送信信号をｆ0 で説明する）を増幅処理して
レールｒの始端側に供給する増幅回路２とから構成され
ている。[0003] A transmitter 10a includes a modulation circuit (MOD) 1 for modulating a carrier having a predetermined frequency (f0) using predetermined train control data, and a modulation-processed transmission signal (hereinafter referred to as a transmission signal). and an amplifying circuit 2 for amplifying the amplified signal to be supplied to the start end of the rail r.
【０００４】受信器１０ｂは、レールｒの終端側から受
信した受信信号から送信信号（ｆ0）を通過させるバン
ドパスフィルタ３と、フィルタ処理された信号を復調処
理して送信信号（ｆ0 ）を抽出し、軌道リレーＴＲを駆
動する復調回路（ＤＥＭ）４とから構成されている。The receiver 10b extracts a transmission signal (f0) by demodulating the filtered signal and a band-pass filter 3 for passing the transmission signal (f0) from the reception signal received from the terminal side of the rail r. And a demodulation circuit (DEM) 4 for driving the track relay TR.
【０００５】上記構成の地上送受信装置ａ′において、
軌道回路Ｔを形成するレールｒが列車イの車軸で短絡さ
れる前は、送信器１０ａからの送信信号（ｆ0 ）が受信
器１０ｂで受信されるので、軌道リレーＴＲが扛上（Ｏ
Ｎ）して、列車なしが検知される。In the terrestrial transmission / reception apparatus a 'having the above configuration,
Before the rail r forming the track circuit T is short-circuited at the axle of the train A, the transmission signal (f0) from the transmitter 10a is received by the receiver 10b, so that the track relay TR is lifted (O).
N) Then, no train is detected.
【０００６】軌道回路Ｔを形成するレールｒに列車イが
在線すると、レールｒは列車イの車軸で短絡されるの
で、受信器１０ｂには送信器１０ａからの送信信号（ｆ
0 ）が受信されず、軌道リレーＴＲが落下（ＯＦＦ）し
て、列車ありが検知される。また、軌道回路Ｔのレール
ｒ上に在線した列車イの車上装置ｂは、受電器（アンテ
ナ）ｂ′を介して送信信号（ｆ0 ）を受信することがで
き、したがって、列車イは、受信した受信信号に基づい
て速度制御等の所定の列車制御を行うことができる。When the train A is on the rail r forming the track circuit T, the rail r is short-circuited at the axle of the train A, so that the receiver 10b transmits the transmission signal (f) from the transmitter 10a.
0) is not received, the track relay TR falls (OFF), and the presence of a train is detected. Also, the on-board device b of the train A located on the rail r of the track circuit T can receive the transmission signal (f0) via the power receiving device (antenna) b '. Predetermined train control such as speed control can be performed based on the received signal.
【０００７】[0007]
【発明が解決しようとする課題】上記図２に示される従
来の地上送受信装置ａ′は、送信器１０ａを設置する送
信架１１ａと受信器１０ｂを設置する受信架１１ｂとが
別架構成で、２つの架を設置しなければならず、設備コ
ストがかさむ欠点があった。The conventional terrestrial transmission / reception apparatus a 'shown in FIG. 2 has a transmission frame 11a for installing a transmitter 10a and a reception frame 11b for installing a receiver 10b. There was a drawback that two racks had to be installed, and equipment costs increased.
【０００８】このような欠点を解決するために、一つの
架に送信器及び受信器を設置することも考えられるが、
一つの架に送信器と受信器とを接近して設置すると、送
信器と受信器とで用いられる周波数が同じなので混触の
問題点が発生する。In order to solve such a disadvantage, it is conceivable to install a transmitter and a receiver on one frame.
If the transmitter and the receiver are installed close to each other on a single frame, the frequency used by the transmitter and the receiver is the same, and thus a problem of touch occurs.
【０００９】そこで、本発明は、上記混触の問題を解決
して、一つの架に送信器及び受信器を設置することので
きる地上送受信装置を提供することを目的としている。SUMMARY OF THE INVENTION It is an object of the present invention to provide a ground transmission / reception device which can solve the above-mentioned problem of cross-contact and in which a transmitter and a receiver can be installed on one frame.
【００１０】[0010]
【課題を解決するための手段】本発明に係る地上送受信
装置は、上記目的を達成するために、地上に設けられた
一つの送受信架に、所定の周波数からなる送信信号を軌
道回路を形成するレールの始端側に送信する送信器と、
上記レールの終端側から受信した受信信号を上記所定の
周波数と異なる所定の周波数に変換して受信する受信器
とを設けたことを特徴としている。In order to achieve the above object, a terrestrial transmission / reception apparatus according to the present invention forms a track circuit for transmitting a transmission signal having a predetermined frequency on one transmission / reception frame provided on the ground. A transmitter for transmitting to the beginning of the rail;
A receiver for converting a reception signal received from the end of the rail to a predetermined frequency different from the predetermined frequency and receiving the converted signal.
【００１１】[0011]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１は、本発明の一実施の形態に
係る地上送受信装置ａの概略構成図であって、複数（図
示の例では３個）の軌道回路１Ｔ〜３Ｔ用の送信器ａ1
と受信器ａ2 とを一つの送受信架Ｌに設置して構成され
ている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram of a ground transmitting / receiving apparatus a according to an embodiment of the present invention, and a plurality of (three in the illustrated example) transmitters a1 for track circuits 1T to 3T.
And a receiver a2 are installed on one transmission / reception rack L.
【００１２】送信器ａ1 は、各軌道回路１Ｔ，２Ｔ，３
Ｔ毎の互いに周波数の異なる所定の周波数（ｆ1 ，ｆ2
，ｆ3 ）からなる搬送波を所定の列車制御用データを
用いて変調処理する変調回路（ＭＯＤ）１ａ，１ｂ，１
ｃと、変調処理された送信信号ｆ1 ，ｆ2 ，ｆ3 をそれ
ぞれ増幅処理して、各軌道回路１Ｔ，２Ｔ，３Ｔを形成
するレールｒの始端側にそれぞれ供給する増幅回路２ａ
〜２ｃとから構成されている。The transmitter a1 is connected to each of the track circuits 1T, 2T, 3
A predetermined frequency (f1, f2) having a different frequency for each T
MODs 1a, 1b, 1 for modulating the carrier wave composed of the predetermined train control data.
c and amplifying circuit 2a which amplifies the modulated transmission signals f1, f2 and f3, respectively, and supplies them to the starting ends of rails r forming track circuits 1T, 2T and 3T, respectively.
To 2c.
【００１３】受信器ａ2 は、各軌道回路１Ｔ〜３Ｔをそ
れぞれレールｒの終端側から受信した受信信号の周波数
（ｆ1 ，ｆ2 ，ｆ3 ）を他の周波数（ｆ1 ′，ｆ2 ′，
ｆ3′）にそれぞれ変換する周波数変換回路ｔ1 〜ｔ3
と、変換された信号ｆ1 ′，ｆ2 ′，ｆ3 ′をそれぞれ
通過させるバンドパスフィルタ３ａ，３ｂ，３ｃと、フ
ィルタ処理された信号を復調処理して変換処理された送
信信号（ｆ1 ′，ｆ2′，ｆ3 ′）をそれぞれ抽出し、
各軌道回路１Ｔ，２Ｔ，３Ｔ用の軌道リレーＴＲ1 ，Ｔ
Ｒ2 ，ＴＲ3 をそれぞれ駆動する復調回路（ＤＥＭ）４
ａ，４ｂ，４ｃとから構成されている。The receiver a2 converts the frequency (f1, f2, f3) of the received signal received from each of the track circuits 1T to 3T from the end of the rail r to the other frequencies (f1 ', f2',
f3 ') to t3 to t3, respectively.
And band-pass filters 3a, 3b and 3c for passing the converted signals f1 ', f2' and f3 ', respectively, and the transmission signals (f1' and f2 ') which have been demodulated and converted and processed. , F3 ') respectively,
Track relays TR1, T for each track circuit 1T, 2T, 3T
Demodulation circuit (DEM) 4 for driving R2 and TR3 respectively
a, 4b and 4c.
【００１４】上記の変換される周波数（ｆ1 ′，ｆ2
′，ｆ3 ′）は、他の周波数と一致しないように決め
られている。すなわち、ｆ1 ′は、ｆ1 ，ｆ2 ，ｆ2
′，ｆ3 ，ｆ3 ′と一致せず、ｆ2 ′は、ｆ2 ，ｆ1
，ｆ1 ′，ｆ3 ，ｆ3 ′と一致せず、さらには、ｆ3
′は、ｆ3 ，ｆ1 ，ｆ1 ′，ｆ2 ，ｆ2 ′と一致しな
いように決められている。このように、送受信架Ｌ内に
おける送信器及び受信器の周波数が互いに異なるため
に、混触による誤検出を効果的に防止することができ
る。The above converted frequencies (f1 ', f2
', F3') are determined so as not to coincide with other frequencies. That is, f1 'is f1, f2, f2
', F3, f3' and f2 'is not equal to f2, f1.
, F1 ', f3, f3', and furthermore, f3
Is determined not to coincide with f3, f1, f1 ', f2, f2'. As described above, since the frequencies of the transmitter and the receiver in the transmission / reception frame L are different from each other, it is possible to effectively prevent erroneous detection due to cross-contact.
【００１５】上記構成の地上送受信装置ａにおいて、各
軌道回路１Ｔ，２Ｔ，３Ｔを形成するレールｒが列車イ
の車軸で短絡される前は、レールｒの各始端側から供給
された各送信信号（ｆ1 ，ｆ2 ，ｆ3 ）を変換した信号
（ｆ1 ′，ｆ2 ′，ｆ3 ′）が各復調回路４ａ，４ｂ，
４ｃで受信されるので、各軌道リレーＴＲ1 ，ＴＲ2，
ＴＲ3 がそれぞれ扛上（ＯＮ）して、列車なしが検知さ
れる。In the ground transmission / reception apparatus a having the above configuration, before the rail r forming each of the track circuits 1T, 2T, 3T is short-circuited by the axle of the train A, each transmission signal supplied from each starting end of the rail r. The signals (f1 ', f2', f3 ') obtained by converting (f1, f2, f3) are converted into demodulation circuits 4a, 4b,
4c, each track relay TR1, TR2,
TR3 is lifted (ON) respectively, and it is detected that there is no train.
【００１６】今、軌道回路３Ｔを形成するレールｒに列
車イが在線すると、レールｒは列車イの車軸で短絡され
るので、復調回路４ｃにはレールｒの始端側から供給さ
れた送信信号（ｆ3 ）の変換された信号（ｆ3 ′）が受
信されず、軌道リレーＴＲ3が落下（ＯＦＦ）して、軌
道回路３Ｔ上に列車ありが検知される。また、この軌道
回路３Ｔのレールｒ上に在線した列車イの車上装置ｂ
は、受電器（アンテナ）ｂ′を介して送信信号（ｆ3 ）
を受信することができ、したがって、列車イは、受信し
た受信信号に基づいて速度制御等の所定の列車制御を行
うことができる。Now, when the train A is on the rail r forming the track circuit 3T, the rail r is short-circuited at the axle of the train A. Therefore, the transmission signal (from the starting end of the rail r) is supplied to the demodulation circuit 4c. The converted signal (f3 ') of f3) is not received, the track relay TR3 falls (OFF), and the presence of a train on the track circuit 3T is detected. In addition, the on-board device b of the train A on the rail r of the track circuit 3T
Is the transmission signal (f3) via the power receiver (antenna) b '.
Therefore, the train A can perform predetermined train control such as speed control based on the received signal.
【００１７】以上のように、受信器ａ2 においては、送
信信号（ｆ1 ，ｆ2 ，ｆ3 ）と異なる周波数（ｆ1 ′，
ｆ2 ′，ｆ3 ′）に変換し、さらに、その周波数（ｆ1
′，ｆ2 ′，ｆ3 ′）をフィルタ処理するので、送信
器ａ1 と受信器ａ2 とで用いる周波数が異なり混触によ
る誤検出を効果的に防止することができる。As described above, in the receiver a2, the transmission signals (f1, f2, f3) and the different frequencies (f1 ',
f2 ', f3'), and further converts the frequency (f1 '
', F2', f3 ') are filtered, so that the frequencies used by the transmitter a1 and the receiver a2 are different, and erroneous detection due to cross-contact can be effectively prevented.
【００１８】[0018]
【発明の効果】本発明に係る地上送受信装置は、地上に
設けられた一つの送受信架に、所定の周波数からなる送
信信号を軌道回路を形成するレールの始端側に送信する
送信器と、上記レールの終端側から受信した受信信号を
上記所定の周波数と異なる所定の周波数に変換して受信
する受信器とを設けたので、一つの送受信架に送信器と
受信器とを設けても、送信器と受信器とで用いる周波数
が異なり、混触による誤検出を効果的に防止することが
できる。According to the present invention, there is provided a terrestrial transmission / reception apparatus which transmits a transmission signal having a predetermined frequency to a starting end of a rail forming a track circuit on one transmission / reception rack provided on the ground, Since a receiver for converting a received signal received from the terminal end of the rail to a predetermined frequency different from the predetermined frequency and receiving the same is provided, even if a transmitter and a receiver are provided on one transmission / reception frame, transmission is possible. The frequency used by the receiver and the receiver is different, and erroneous detection due to touch can be effectively prevented.
【図１】本発明の一実施の形態に係る地上送受信装置の
概略構成図である。FIG. 1 is a schematic configuration diagram of a ground transmission / reception device according to an embodiment of the present invention.
【図２】従来の地上送受信装置の概略構成図である。FIG. 2 is a schematic configuration diagram of a conventional ground transmission / reception device.
ａ 列車制御用地上送受信装置（地上送受信装置） ａ1 送信器 ａ2 受信器 Ｌ 送受信架 ｂ 車上装置 ｒ レール １Ｔ，２Ｔ，３Ｔ 軌道回路 ｔ1 ，ｔ2 ，ｔ3 周波数変換回路 １ａ，１ｂ，１ｃ 変調回路（ＭＯＤ） ２ａ，２ｂ，２ｃ 増幅回路 ３ａ，３ｂ，３ｃ バンドパスフィルタ ４ａ，４ｂ，４ｃ 復調回路（ＤＥＭ） a Ground transmission / reception device for train control (ground transmission / reception device) a1 transmitter a2 receiver L transmission / reception frame b on-board device r rail 1T, 2T, 3T track circuit t1, t2, t3 frequency conversion circuit 1a, 1b, 1c modulation circuit ( MOD) 2a, 2b, 2c Amplification circuit 3a, 3b, 3c Bandpass filter 4a, 4b, 4c Demodulation circuit (DEM)
フロントページの続き (56)参考文献 特開 昭63−145170（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B61L 1/18 Continuation of the front page (56) References JP-A-63-145170 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) B61L 1/18
Claims (1)
定の周波数からなる送信信号を軌道回路を形成するレー
ルの始端側に送信する送信器と、上記レールの終端側か
ら受信した受信信号を上記所定の周波数と異なる所定の
周波数に変換して受信する受信器とを設けたことを特徴
とする列車制御用地上送受信装置。1. A transmitter for transmitting a transmission signal having a predetermined frequency to a starting end of a rail forming a track circuit on a transmission / reception rack provided on the ground, and a reception signal received from an end of the rail. And a receiver for converting the received signal to a predetermined frequency different from the predetermined frequency and receiving the converted signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00943498A JP3167291B2 (en) | 1998-01-21 | 1998-01-21 | Ground control transceiver for train control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP00943498A JP3167291B2 (en) | 1998-01-21 | 1998-01-21 | Ground control transceiver for train control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11208472A JPH11208472A (en) | 1999-08-03 |
| JP3167291B2 true JP3167291B2 (en) | 2001-05-21 |
Family
ID=11720228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP00943498A Expired - Lifetime JP3167291B2 (en) | 1998-01-21 | 1998-01-21 | Ground control transceiver for train control |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3167291B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4574556B2 (en) * | 2006-01-05 | 2010-11-04 | 株式会社日立製作所 | Interference detection device between transmission and reception |
| JP4850611B2 (en) * | 2006-08-02 | 2012-01-11 | 株式会社日立製作所 | Digital ATC system |
-
1998
- 1998-01-21 JP JP00943498A patent/JP3167291B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11208472A (en) | 1999-08-03 |
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