JP2013166423A - Non-power supply ground unit and vehicle controller - Google Patents
Non-power supply ground unit and vehicle controller Download PDFInfo
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本発明は、無電源地上子及び車両制御装置に関する。 The present invention relates to a powerless ground unit and a vehicle control device.
地上／車上間電文送信手段として、無電源地上子が知られている。無電源地上子は、それ自体は、電源を持たず、車両が接近したとき、車上子から送信された電力波を受信し、受信した電力波から直流電源を生成し、これを電源入力として送信電文を生成し、生成された電文を車上装置に向けて送信する。 As a terrestrial / on-vehicle message transmission means, a non-powered ground element is known. The unpowered ground unit itself does not have a power source, and when the vehicle approaches, it receives a power wave transmitted from the vehicle top unit, generates a DC power source from the received power wave, and uses this as a power input. A transmission message is generated, and the generated message is transmitted to the on-board device.
無電源地上子は、外部制御機器から信号条件などが供給され、供給された信号条件を、リレー回路を介して論理回路に取り込み、論理回路によってデジタルデータの電文を生成し、この電文を送信回路及び送信アンテナによって、車上装置に向けて送信する。車上装置は、無電源地上子から供給された電文を解読し、例えば、ＡＴＳ-Ｐ等による列車制御をおこなう。 The non-powered ground unit is supplied with signal conditions from an external control device, takes in the supplied signal conditions into a logic circuit via a relay circuit, generates a digital data message by the logic circuit, and transmits this message to the transmission circuit. And it transmits toward an on-vehicle apparatus by a transmission antenna. The on-board device decodes the telegram supplied from the non-powered ground element and performs train control by ATS-P, for example.
上述した無電源地上子において、外部制御機器から２つ以上の信号条件が時間的に重なって供給された場合、無電源地上子からは、２つ以上の信号条件が混在したデータの電文が送信される。このような場合、従来は、車上装置において、無効データであると判断して破棄していた。しかし、データの混在の態様によっては、有効、無効の判断がつかず、車上装置が、有効なデータとして誤って認識してしまうことがあった。 When two or more signal conditions are overlapped in time from the external control device in the non-powered ground unit described above, a data message containing two or more signal conditions is transmitted from the non-powered ground unit. Is done. In such a case, conventionally, the on-board device determines that the data is invalid and discards it. However, depending on how the data is mixed, it is not possible to determine whether the data is valid or invalid, and the on-board device may erroneously recognize the data as valid data.
また、従来の無電源地上子では、新設あるいは更新された後、運用が開始されるまでの間は、電波を遮断する鉄板からなるカバーで覆っておく必要があった。しかも、運用開始に先だって行われる長期間に亘る入念なテストに当っては、そのテストの都度、カバーを外して行う必要があった。 In addition, in the conventional non-powered ground unit, it is necessary to cover with a cover made of an iron plate that blocks radio waves until the operation is started after being newly installed or updated. Moreover, in the case of a long-term careful test that is performed prior to the start of operation, it was necessary to remove the cover every time the test was performed.
上述した２つの問題のうち、後者の問題を解決する手段として、特許文献１は、現示信号等の入力信号に基づいて制御信号を生成する符号処理器を備え、符号処理器で生成された制御信号を中継器を介して車上側に送信する構成において、符号処理器に送信停止信号を入力する入力手段を備え、送信停止信号が符号処理器に入力されたときに、中継器から車上への送信信号の送出を禁止する地上子を開示している。しかし、前者の問題を解決する手段は、開示していない。 Of the two problems described above, as a means for solving the latter problem, Patent Document 1 includes a code processor that generates a control signal based on an input signal such as a current signal, and is generated by the code processor. In the configuration in which the control signal is transmitted to the upper side of the vehicle via the repeater, the code processor includes input means for inputting a transmission stop signal, and when the transmission stop signal is input to the code processor, A ground unit that prohibits transmission of a transmission signal to a mobile phone is disclosed. However, no means for solving the former problem is disclosed.
本発明の課題は、無効データを確実に送信し得る無電源地上子及びそれを用いた列車制御装置を提供することである。 An object of the present invention is to provide a non-powered ground element capable of reliably transmitting invalid data and a train control device using the same.
本発明のもう一つの課題は、新設あるいは更新された後、運用が開始されるまでの間や、運用開始に先だって行われる長期間テスト等の場合を含めて、電波遮断用カバーで覆う必要のない無電源地上子及びそれを用いた列車制御装置を提供することである。 Another problem of the present invention is that it is necessary to cover with a radio wave blocking cover until the operation is started after it is newly installed or updated, or in the case of a long-term test etc. that is performed prior to the start of operation. It is to provide a non-powerless ground unit and a train control device using the same.
上述した課題を解決するため、本発明に係る無電源地上子は、論理部と、停止回路と、送信回路とを含む。論理部は、２つ以上の論理条件が入力され、対応する論理信号を出力する。前記停止回路は、前記論理部が２つ以上の論理信号を出力したとき、一つの固定された論理信号を、前記送信回路に供給する。 In order to solve the above-described problem, a power-free ground element according to the present invention includes a logic unit, a stop circuit, and a transmission circuit. The logic unit receives two or more logic conditions and outputs a corresponding logic signal. The stop circuit supplies one fixed logic signal to the transmission circuit when the logic unit outputs two or more logic signals.
論理部が２つ以上の論理信号を出力したとき、そのデータは、車上側からみれば、無効データである。そこで、本発明では、論理部が２つ以上の論理信号を出力したとき、停止回路は、一つの固定された論理信号（１又は０）を、送信回路に供給する。送信回路は、一つの固定された論理信号（１又は０）を、デジタルデータの電文信号として送信する。したがって、無効データを確実に車上側に送信することができる。車上側は、受信された電文信号が、予め定められた一つの固定された論理信号（１又は０）に該当するか否かによって、無効データであるか有効データであるかを判別することができるから、車上側における判別が容易になる。 When the logic unit outputs two or more logic signals, the data is invalid data when viewed from the vehicle upper side. Therefore, in the present invention, when the logic unit outputs two or more logic signals, the stop circuit supplies one fixed logic signal (1 or 0) to the transmission circuit. The transmission circuit transmits one fixed logic signal (1 or 0) as a telegram signal of digital data. Therefore, invalid data can be reliably transmitted to the upper side of the vehicle. The vehicle upper side can determine whether the received telegram signal is invalid data or valid data depending on whether or not the received telegram signal corresponds to one predetermined fixed logic signal (1 or 0). Therefore, discrimination on the upper side of the vehicle becomes easy.
しかも、無電源地上子の論理部が、２つ以上の論理信号を出力するように操作することによって、無効データを送信することができるので、新設あるいは更新された後、運用が開始されるまでの間や、運用開始に先だって行われる長期間テスト等の場合を含めて、電波遮断用カバーで覆う必要がない。 In addition, since the logic part of the non-powered ground element can be operated to output two or more logic signals, invalid data can be transmitted, so that the operation is started after being newly established or updated. It is not necessary to cover with a radio wave blocking cover during the period of time or in the case of a long-term test or the like performed prior to the start of operation.
また、無電源地上子が、互いに間隔をおいて、線路に沿って多数設けられている通常の配置において、それらの多数の無電源地上子に対して、外部制御機器から２つ以上の信号条件を共通に与えることにより、多数の無電源地上子から送信される電文信号を、同時に無効にすることができるから、電文無効化作業が、従来の電波遮断カバーの取付・取り外し作業と対比して、作業時間が大幅に削減できる。 Further, in a normal arrangement in which a large number of non-powered ground elements are provided along the track at a distance from each other, two or more signal conditions from an external control device are provided for the large number of unpowered ground elements. Since the telegram signals transmitted from a large number of power-free grounding elements can be invalidated at the same time, the telegram invalidation work is in contrast to the conventional work of installing / removing the radio wave shielding cover. Work time can be greatly reduced.
更に、外部制御機器の信号条件や、無電源地上子のリレー条件の設定によって、無効データを生成することができ、既設の機器、設備の物理的変更などを伴うものではないので、その実施が容易である。 Furthermore, invalid data can be generated by setting the signal conditions of the external control equipment and the relay conditions of the non-powered ground element, and it is not accompanied by physical changes of existing equipment and equipment. Easy.
以上述べたように、本発明によれば、次のような効果を得ることができる。
（ａ）無効データを確実に送信し得る無電源地上子及びそれを用いた列車制御装置を提供することができる。
（ｂ）新設あるいは更新された後、運用が開始されるまでの間や、運用開始に先だって行われる長期間テスト等の場合を含めて、電波遮断用カバーで覆う必要のない無電源地上子及びそれを用いた列車制御装置を提供することができる。
As described above, according to the present invention, the following effects can be obtained.
(A) It is possible to provide a powerless ground element that can reliably transmit invalid data and a train control device using the same.
(B) A non-powered grounding element that does not need to be covered with a radio wave blocking cover until it starts operation after it is newly installed or renewed, or in the case of a long-term test that is performed prior to the start of operation. A train control device using the same can be provided.
図１を参照すると、本発明に係る無電源地上子は、論理部１と、停止回路３と、送信回路５とを含む。これらの各部は、電源回路１１から電力の供給を受けて動作する。電源回路１１は、電力波受信コイル１１１を含んでおり、電力波受信コイル１１１は、列車に搭載された電力波送信アンテナから送信された電力波を受信する。電源回路１１は、電力波受信コイル１１１から供給される受信電力を、整流平滑して、必要な電圧レベルの直流電源を生成する。 Referring to FIG. 1, the non-powered ground element according to the present invention includes a logic unit 1, a stop circuit 3, and a transmission circuit 5. Each of these units operates by receiving power from the power supply circuit 11. The power circuit 11 includes a power wave receiving coil 111, and the power wave receiving coil 111 receives a power wave transmitted from a power wave transmitting antenna mounted on the train. The power supply circuit 11 rectifies and smoothes the received power supplied from the power wave receiving coil 111 to generate a DC power supply having a necessary voltage level.
論理部１は、第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎ（ｎ≧２）が入力され、対応する論理信号Ｓ３を出力する。論理部１に供給される第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎは、外部制御機器などから供給される第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎ（ｎ≧２）に対応して、リレー回路７をオン、オフすることによって得られた信号である。論理部１は、第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎに基づき、それに対応するデータを有する論理信号Ｓ３を生成し、出力する。 The logic unit 1 receives the first logic condition signal S21 to the nth logic condition signal S2n (n ≧ 2) and outputs a corresponding logic signal S3. The first logic condition signal S21 to the nth logic condition signal S2n supplied to the logic unit 1 correspond to the first signal condition S11 to the nth signal condition S1n (n ≧ 2) supplied from an external control device or the like. , A signal obtained by turning on and off the relay circuit 7. The logic unit 1 generates and outputs a logic signal S3 having data corresponding to the first logic condition signal S21 to the nth logic condition signal S2n.
実施例において、論理部１は、論理判断部１００と、出力部１１０とを有しており、論理判断部１００によって判断された論理に従って、出力部１１０を構成する第１スイッチ１１１〜第ｎスイッチ１１ｎをオン、オフし、所定のデジタルデータを有する論理信号Ｓ３を生成する。 In the embodiment, the logic unit 1 includes a logic determination unit 100 and an output unit 110, and the first switch 111 to the nth switch constituting the output unit 110 according to the logic determined by the logic determination unit 100. 11n is turned on and off to generate a logic signal S3 having predetermined digital data.
外部制御機器などから入力回路９及びリレー回路７に供給される第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎは、具体的には、Ｒ、Ｙ、Ｇ等の現示信号条件であり、論理部１は、リレー回路７から供給される第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎに基づき、Ｒ、Ｙ、Ｇ等の現示信号条件に対応するデータ列の論理信号Ｓ３を生成する。 Specifically, the first signal condition S11 to the nth signal condition S1n supplied from the external control device or the like to the input circuit 9 and the relay circuit 7 are present signal conditions such as R, Y, G, etc. 1 generates a logic signal S3 of a data string corresponding to the present signal conditions such as R, Y, G, etc. based on the first logic condition signal S21 to the nth logic condition signal S2n supplied from the relay circuit 7.
停止回路３は、論理部１が、例えば、２つ以上の論理信号Ｓ３１、Ｓ３２を出力したとき、論理値１又は論理値０の何れかに固定された電文信号Ｓ５を、送信回路５に供給する。例えば、第１信号条件Ｓ１１及び第２信号条件Ｓ１２が、当該無電源地上子に同時に入力された場合を想定すると、リレー回路７は、第１信号条件Ｓ１１及び第２信号条件Ｓ１２に対応する２つの第１論理条件信号Ｓ２１及び第２論理条件信号Ｓ２２を出力する。論理部１では、第１論理条件信号Ｓ２１及び第２論理条件信号Ｓ２２の入力に対応して、第１スイッチ１１１及び第２スイッチ１１２が動作し、第１論理信号Ｓ３１、及び、第２論理信号Ｓ３２を出力する。停止回路３は、このような場合、送信回路５に供給される電文信号Ｓ５を、論理値１または論理値０に固定する。 For example, when the logic unit 1 outputs two or more logic signals S31 and S32, the stop circuit 3 supplies the transmission circuit 5 with a telegram signal S5 fixed at either the logic value 1 or the logic value 0. To do. For example, assuming that the first signal condition S11 and the second signal condition S12 are simultaneously input to the unpowered ground element, the relay circuit 7 corresponds to the first signal condition S11 and the second signal condition S12. The first logic condition signal S21 and the second logic condition signal S22 are output. In the logic unit 1, the first switch 111 and the second switch 112 operate in response to the input of the first logic condition signal S21 and the second logic condition signal S22, and the first logic signal S31 and the second logic signal S32 is output. In such a case, the stop circuit 3 fixes the message signal S5 supplied to the transmission circuit 5 to the logical value 1 or the logical value 0.
上述したような停止作用を確保するため、図示の停止回路３は、第１論理回路３１と、第２論理回路３２とを含んでいる。第１論理回路３１は、リレー回路７から出力される第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎを入力信号とし、その論理判断をする。第２論理回路３２は、第１論理回路３１から出力される停止信号Ｓ４と、論理部１から出力される論理信号Ｓ３とを入力信号とし、論理部１が、２つ以上の第１論理信号Ｓ３１及び第２論理信号Ｓ３２を出力したとき、論理値１又は論理値０の何れかに固定された電文信号Ｓ５を、送信回路５に供給する。 In order to ensure the stopping action as described above, the illustrated stop circuit 3 includes a first logic circuit 31 and a second logic circuit 32. The first logic circuit 31 receives the first logic condition signal S21 to the nth logic condition signal S2n output from the relay circuit 7 as input signals and makes a logical determination thereof. The second logic circuit 32 receives the stop signal S4 output from the first logic circuit 31 and the logic signal S3 output from the logic unit 1 as input signals, and the logic unit 1 has two or more first logic signals. When S31 and the second logic signal S32 are output, the telegram signal S5 fixed to either the logic value 1 or the logic value 0 is supplied to the transmission circuit 5.
第１論理回路３１は、リレー回路７から出力される第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎについて、その排他的論理和を採る回路として構成することができ、第２論理回路３２は論理積回路として構成することができる。図２にその具体例を示す。 The first logic circuit 31 can be configured as a circuit that takes an exclusive OR of the first logic condition signal S21 to the nth logic condition signal S2n output from the relay circuit 7, and the second logic circuit 32 is It can be configured as an AND circuit. A specific example is shown in FIG.
図２を参照すると、第１論理回路３１は、第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎの数ｎに対応して備えられた第１排他的論理和回路３１１〜第ｎ排他的論理和回路３１ｎによって構成されている。第１排他的論理和回路３１１は、第１論理条件信号Ｓ２１と第２論理条件信号Ｓ２２とを入力信号とし、第２排他的論理和回路３１２は、第１排他的論理和回路３１１の出力信号と第３論理条件信号Ｓ２３とを入力信号とする、というように、第１論理条件信号Ｓ２１〜第ｎ論理条件信号Ｓ２ｎの数ｎに合わせて、段数を重ねる。そして、第ｎ排他的論理和回路３１ｎから、第２論理回路３２に、第１論理回路３１の出力である停止信号Ｓ４が供給される。 Referring to FIG. 2, the first logic circuit 31 includes a first exclusive OR circuit 311 to an nth exclusive logic provided corresponding to the number n of the first logic condition signal S21 to the nth logic condition signal S2n. The sum circuit 31n is used. The first exclusive OR circuit 311 receives the first logic condition signal S21 and the second logic condition signal S22 as input signals, and the second exclusive OR circuit 312 outputs an output signal of the first exclusive OR circuit 311. And the third logic condition signal S23 as input signals, the number of stages is overlapped according to the number n of the first logic condition signal S21 to the nth logic condition signal S2n. Then, the stop signal S4 that is the output of the first logic circuit 31 is supplied from the n-th exclusive OR circuit 31n to the second logic circuit 32.
図３及び図４を参照すると、本発明に係る無電源地上子を用いた列車制御装置が示され
ている。本発明に係る無電源地上子１３１〜１３ｍは、列車１５の走行するレール１７に沿って、間隔を隔てて順次に配置されている。無電源地上子１３１〜１３ｍのそれぞれは、外部制御機器１９から、第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎが共通に与えられている。
Referring to FIGS. 3 and 4, there is shown a train control device using a non-powered ground element according to the present invention. The non-powered ground elements 131 to 13m according to the present invention are sequentially arranged at intervals along the rail 17 on which the train 15 travels. Each of the non-power-supplying ground elements 131 to 13m is commonly given the first signal condition S11 to the nth signal condition S1n from the external control device 19.
列車１５には、車上装置１５１及び車上アンテナ１５２が備えられている。車上装置１５１は、車上アンテナ１５２に電力波を供給するとともに、車上アンテナ１５２によって受信された電文信号を解読し、必要な列車制御をおこなう。車上アンテナ１５２は、電力波を送信する電力波送信コイルと、無電源地上子１３１〜１３ｍから送信されてくる電文信号を受信する情報波受信コイルとを備える。 The train 15 is provided with an on-board device 151 and an on-board antenna 152. The on-board device 151 supplies a power wave to the on-board antenna 152, decodes a telegram signal received by the on-board antenna 152, and performs necessary train control. The on-board antenna 152 includes a power wave transmission coil that transmits a power wave and an information wave reception coil that receives a telegram signal transmitted from the unpowered ground element 131 to 13m.
矢印F１で示す方向に走行してきた列車１５が、図４に図示するように、無電源地上子１３１に接近すると、列車１５の車上アンテナ１５２が、無電源地上子１３１の電力波受信コイル１１１と電磁結合する。これにより、車上アンテナ１５２から送信された電力波が、無電源地上子１３１の電力波受信コイル１１１によって受信され、電力波受信コイル１１１に接続された電源回路１１によって、必要な直流電源が生成される。この直流電源は、無電源地上子１３１を構成する全ての回路部分に対して供給され、無電源地上子１３１が動作状態となる。無電源地上子１３２〜１３ｍも同様の動作を行う。 As shown in FIG. 4, when the train 15 that has traveled in the direction indicated by the arrow F <b> 1 approaches the unpowered ground unit 131, the on-board antenna 152 of the train 15 is connected to the power wave receiving coil 111 of the unpowered ground unit 131. And electromagnetically coupled. As a result, the power wave transmitted from the on-vehicle antenna 152 is received by the power wave receiving coil 111 of the non-powered ground element 131, and the necessary DC power source is generated by the power circuit 11 connected to the power wave receiving coil 111. Is done. This DC power is supplied to all circuit parts constituting the unpowered ground element 131, and the unpowered ground element 131 is in an operating state. The non-powered ground element 132-13m performs the same operation.
上記構成において、外部制御機器１９から供給される第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎのうち、第１信号条件Ｓ１１だけが入力され（論理値１とする）、残りの第２信号条件Ｓ１２〜第ｎ信号条件Ｓ１ｎが全て入力されていない（論理値０とする）場合、停止回路３の第１論理回路３１から第２論理回路３２に入力される停止信号Ｓ４は、論理値１となる。したがって、論理部１から第２論理回路３２に入力される論理信号Ｓ３が、論理値１となる毎に、第２論理回路３２の論理が成立し、第２論理回路３２から送信回路５に対して、論理信号Ｓ３に対応した電文信号Ｓ５が送信され、送信回路５から情報波コイル５１に電文信号Ｓ６が供給され、更に情報波コイル５１から車上に向けて電文が送信される。 In the above configuration, only the first signal condition S11 is input (the logic value is 1) among the first signal condition S11 to the nth signal condition S1n supplied from the external control device 19, and the remaining second signal condition S12. When all the n-th signal conditions S1n are not input (the logic value is 0), the stop signal S4 input from the first logic circuit 31 of the stop circuit 3 to the second logic circuit 32 becomes the logic value 1. . Therefore, every time the logic signal S3 input from the logic unit 1 to the second logic circuit 32 becomes a logic value 1, the logic of the second logic circuit 32 is established, and the second logic circuit 32 transmits to the transmission circuit 5. Thus, the telegram signal S5 corresponding to the logic signal S3 is transmitted, the telegram signal S6 is supplied from the transmission circuit 5 to the information wave coil 51, and the telegram is further transmitted from the information wave coil 51 toward the vehicle.
次に、外部制御機器１９から供給される第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎのうち、第１信号条件Ｓ１１及び第２信号条件Ｓ１２の２つが入力され（論理値１とする）になり、残りの第３信号条件Ｓ１３〜第ｎ信号条件Ｓ１ｎの何れも入力されていない（論理値０とする）について説明する。 Next, of the first signal condition S11 to the nth signal condition S1n supplied from the external control device 19, two of the first signal condition S11 and the second signal condition S12 are input (set to a logical value of 1). Next, the case where none of the remaining third signal condition S13 to nth signal condition S1n is input (assumed to have a logical value of 0) will be described.
上記の条件では、第１論理条件信号Ｓ２１及び第２論理条件信号Ｓ２２が論理値１となるので、論理部１は、論理信号Ｓ３として、第１論理条件信号Ｓ２１及び第２論理条件信号Ｓ２２に対応する２つの論理信号Ｓ３１、Ｓ３２を出力する。論理信号Ｓ３１、Ｓ３２の混在した信号データは、車上側からみれば、無効データである。そこで、本発明では、論理部１が２つ以上の論理信号Ｓ３１、Ｓ３２を出力したとき、停止回路３は、論理値１に固定された電文信号Ｓ５、または、論理値０に固定された電文信号Ｓ５を、送信回路５に供給する。送信回路５は、論理値１に固定された電文信号Ｓ５、または、論理値０に固定された電文信号Ｓ５の何れかを、電文信号Ｓ６として送信する。 Under the above conditions, the first logic condition signal S21 and the second logic condition signal S22 have a logic value 1, so that the logic unit 1 changes the first logic condition signal S21 and the second logic condition signal S22 as the logic signal S3. Two corresponding logic signals S31 and S32 are output. The signal data in which the logic signals S31 and S32 are mixed is invalid data when viewed from the vehicle upper side. Therefore, in the present invention, when the logic unit 1 outputs two or more logic signals S31 and S32, the stop circuit 3 can transmit the message signal S5 fixed to the logic value 1 or the message fixed to the logic value 0. The signal S5 is supplied to the transmission circuit 5. The transmission circuit 5 transmits either the telegram signal S5 fixed to the logical value 1 or the telegram signal S5 fixed to the logical value 0 as the telegram signal S6.
図１〜図４の実施例では、第１信号条件Ｓ１１及び第２信号条件Ｓ１２の２つが論理値１になった場合、停止回路３の第１論理回路３１から第２論理回路３２に入力される停止信号Ｓ４は、論理値０となるから、第２論理回路３２からは電文信号Ｓ５が出力されない。従って、第２論理回路３２から送信回路５に対して、データ信号に対応した電文信号Ｓ５が送信されることがない。即ち、無効データが、車上側に送信されることがないから、車上側における判別が容易になる。 In the embodiment of FIGS. 1 to 4, when two of the first signal condition S <b> 11 and the second signal condition S <b> 12 have a logical value 1, they are input from the first logic circuit 31 of the stop circuit 3 to the second logic circuit 32. Since the stop signal S4 has a logical value of 0, the telelogic signal S5 is not output from the second logic circuit 32. Therefore, the telegram signal S5 corresponding to the data signal is not transmitted from the second logic circuit 32 to the transmission circuit 5. That is, since invalid data is not transmitted to the upper side of the vehicle, discrimination on the upper side of the vehicle is facilitated.
しかも、無電源地上子１３１〜１３ｍの論理部１が、２つ以上の電文信号Ｓ３１、Ｓ３２を出力するように、意図的に操作することによって、無効データを送信することができるので、新設あるいは更新された後、運用が開始されるまでの間や、運用開始に先だって行われる長期間テスト等の場合を含めて、電波遮断用カバーで覆う必要がない。 In addition, since the logic unit 1 of the non-power supply ground element 131 to 13m can intentionally operate so as to output two or more telegram signals S31 and S32, invalid data can be transmitted. There is no need to cover with a radio wave blocking cover until the operation is started after the update, or in the case of a long-term test or the like performed prior to the start of the operation.
また、図３に図示するように、無電源地上子１３１〜１３ｍが、互いに間隔をおいて、レール１７に沿って多数設けられている通常の配置において、それらの多数の無電源地上子１３１〜１３ｍに対して、外部制御機器１９から２つ以上の第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎを共通に与えることにより、多数の無電源地上子１３１〜１３ｍから送信される電文信号を、同時に無効にすることができる。このため、電文無効化作業が、従来の電波遮断カバーの取付・取り外し作業と対比して、作業時間が大幅に削減できる。 Further, as shown in FIG. 3, in a normal arrangement in which a large number of non-powered ground elements 131 to 13 m are provided along the rail 17 at intervals, the large number of non-powered ground elements 131 to 13 m are provided. For 13m, by giving two or more first signal conditions S11 to nth signal conditions S1n from the external control device 19 in common, telegram signals transmitted from a large number of unpowered ground elements 131 to 13m can be simultaneously transmitted. Can be disabled. For this reason, the message invalidation work can be significantly reduced in comparison with the conventional work of attaching and removing the radio wave shielding cover.
更に、外部制御機器１９から出力される第１信号条件Ｓ１１〜第ｎ信号条件Ｓ１ｎや、無電源地上子１３１〜１３ｍのリレー条件の設定によって、無効データを生成することができ、既設の機器、設備の物理的変更などを伴うものではないので、その実施が容易である。 Furthermore, invalid data can be generated by setting the first signal condition S11 to the nth signal condition S1n output from the external control device 19 and the relay conditions of the non-powered ground elements 131 to 13m. Since it does not involve physical change of equipment, it is easy to implement.
１ 論理部
３ 停止回路
５ 送信回路
７ リレー回路
Ｓ１１〜Ｓ１ｎ 信号条件
Ｓ２１〜Ｓ２ｎ 論理条件信号
Ｓ３ 論理信号
Ｓ４ 停止信号
Ｓ５ 電文信号
DESCRIPTION OF SYMBOLS 1 Logic part 3 Stop circuit 5 Transmission circuit 7 Relay circuit S11-S1n Signal condition S21-S2n Logic condition signal S3 Logic signal S4 Stop signal S5 Message signal
Claims (2)
前記論理部は、２つ以上の論理条件が入力され、対応する論理信号を出力するものであり、
前記停止回路は、前記論理部が２つ以上の論理信号を出力したとき、一つの固定された論理信号を、前記送信回路に供給する、
無電源地上子。 A non-powered ground element including a logic unit, a stop circuit, and a transmission circuit,
The logic unit receives two or more logic conditions and outputs a corresponding logic signal.
The stop circuit supplies one fixed logic signal to the transmission circuit when the logic unit outputs two or more logic signals.
Non-powered ground child.
前記無電源地上子は、請求項１に記載されたものでなり、前記車上装置と情報の授受を行う機能を有しており、
前記車上装置は、前記無電源地上子の前記送信回路から送信される情報を受信し、受信データに前記一つの固定された論理信号に対応する信号が含まれるとき、受信データを破棄する、
車両制御装置。 A vehicle control device including a non-powered ground element and an on-board device,
The unpowered ground unit is the one described in claim 1 and has a function of exchanging information with the on-board device,
The on-board device receives information transmitted from the transmission circuit of the non-powered ground element, and discards the received data when the received data includes a signal corresponding to the one fixed logic signal.
Vehicle control device.
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