JP2011016441A - Vehicle body inclination control device for railway vehicle - Google Patents

Vehicle body inclination control device for railway vehicle Download PDF

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JP2011016441A
JP2011016441A JP2009162166A JP2009162166A JP2011016441A JP 2011016441 A JP2011016441 A JP 2011016441A JP 2009162166 A JP2009162166 A JP 2009162166A JP 2009162166 A JP2009162166 A JP 2009162166A JP 2011016441 A JP2011016441 A JP 2011016441A
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valve
vehicle body
flow rate
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proportional valve
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JP5182239B2 (en
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Daisuke Shinagawa
大輔 品川
Hisashi Negoro
尚志 根来
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Nippon Steel Corp
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Sumitomo Metal Industries Ltd
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Abstract

PROBLEM TO BE SOLVED: To make a spool type flow proportional valve usable for the vehicle body inclination control of a railway vehicle.SOLUTION: The vehicle body inclination control device for the railway vehicle uses an air spring 3 arranged between a vehicle body 1 and a bogie 2. Each pipe 5, 8 connecting the air spring 3 to a source pressure reservoir 4 for storing air is provided with: a height adjusting valve 6 maintaining the height of the air spring 3 at a neutral position during no inclination control; a selector valve 7 disabling the height adjusting valve 6 during the vehicle body inclination control; the spool type flow proportional valve 13 controlling air supply and exhaust air to/from the air spring 3 during the vehicle body inclination control; solenoid valves 11, 12 or 14 arranged at the air supply and exhaust pipe 8 to/from the spool type flow proportional valve 13; and a controller 10 calculating the signal for controlling the air spring 3 to a target height, and controlling each of the valves 7, 11, 12 or 14, 13. The spool type flow proportional valve can be used for the vehicle-body inclination control of the railway vehicle, thereby reducing the size of the device, enhancing reliability owing to the reduction of the number of components, saving maintenance, and enhancing control performance.

Description

本発明は、気体式ばね、例えば空気ばねを利用して、運転走行中の特に曲線区間通過時に、車体の傾斜制御を行う装置に関するものである。   The present invention relates to a device for controlling the inclination of a vehicle body using a gas spring, for example, an air spring, particularly when passing a curved section during driving.

鉄道車両は、曲線区間の通過時、超過遠心力によって乗心地が悪くなる場合がある。特に曲線区間の通過速度が高速の場合、超過遠心力が増大してさらなる乗心地の悪化を招く。そこで、曲線区間の通過時、車体を内軌側に傾斜させることにより超過遠心力を抑制して乗心地の悪化を防ぐ車体の傾斜制御が実施されている。   A railway vehicle may become uncomfortable due to excessive centrifugal force when passing through a curved section. In particular, when the passing speed of the curved section is high, the excess centrifugal force increases, resulting in further deterioration in riding comfort. Therefore, when the vehicle passes through the curved section, the vehicle body is controlled to be tilted toward the inner track so as to suppress excess centrifugal force and prevent deterioration in riding comfort.

この車体の傾斜制御として、車体を支持する左右の空気ばねに空気を給排気してこれを伸縮させることにより傾斜させる方法がある。このときの給排気の制御は、空気流れの開放と遮断のみが可能な電磁弁を使用して行われることが多い。なお、ここで電磁弁とは、一定の弁口径を有し、電磁石で弁を開閉することにより空気流れの開放や遮断を行うものを指すものとする。   As the tilt control of the vehicle body, there is a method of tilting by supplying and exhausting air to the left and right air springs that support the vehicle body and expanding and contracting the air. The supply / exhaust control at this time is often performed using an electromagnetic valve that can only open and shut off the air flow. Here, the electromagnetic valve means a valve having a constant valve diameter and opening or closing the air flow by opening and closing the valve with an electromagnet.

しかしながら、電磁弁により制御できる流量は０か最大値であり、その中間段階の流量を任意に得ることはできない。従って、電磁弁を使用した流量制御の場合は段階的な流量制御になり、連続的な流量制御を行うことができない。   However, the flow rate that can be controlled by the electromagnetic valve is 0 or the maximum value, and the intermediate flow rate cannot be obtained arbitrarily. Therefore, in the case of flow control using a solenoid valve, the flow control is stepwise, and continuous flow control cannot be performed.

そこで、特許文献１に、異なる弁口径の電磁弁を複数組み合わせる技術が開示されている。しかしながら、装置重量や大きさの制約から、組み合わせる電磁弁の数には限界があり、任意の流量を実現できるほどの数の電磁弁を組み合わせることは難しい。また、電磁弁の数が多くなると故障率があがり、メンテナンスも煩雑になる。   Therefore, Patent Document 1 discloses a technique for combining a plurality of solenoid valves having different valve diameters. However, the number of solenoid valves to be combined is limited due to restrictions on the device weight and size, and it is difficult to combine a number of solenoid valves that can realize an arbitrary flow rate. Further, if the number of solenoid valves increases, the failure rate increases and maintenance becomes complicated.

給排気流量を連続的に制御する弁として、流量比例弁がある。この流量比例弁のうち、スプールの停止位置により給排する流量の調整を行うスプール型流量比例弁は、任意の流量の給気と排気を１台の弁で実現できるので、装置の小型化と、部品点数の減少による省メンテナンス化が図れる。   As a valve for continuously controlling the supply / exhaust flow rate, there is a flow rate proportional valve. Among these flow rate proportional valves, the spool type flow rate proportional valve that adjusts the flow rate to be supplied and discharged according to the stop position of the spool can realize supply and exhaust of an arbitrary flow rate with a single valve. Therefore, maintenance can be saved by reducing the number of parts.

しかしながら、スプール型流量比例弁は、スプールを摺動させてその停止位置を変えることで給排気量を変更するので、摺動部からの微少なエア漏れを避けることができず、単独で鉄道車両用車体傾斜制御装置の制御弁として使用するには不向きである。   However, since the spool type flow rate proportional valve changes the supply / exhaust amount by sliding the spool and changing its stop position, it is not possible to avoid a slight air leak from the sliding part. This is not suitable for use as a control valve for a vehicle body tilt control device.

特公昭４８−２０５号公報Japanese Patent Publication No. 48-205

解決しようとする問題点は、空気ばねへの空気の給排気を複数の電磁弁を用いて行う場合、装置重量や大きさの制約から組み合わせる電磁弁の数に限界があり、任意の流量を実現できるほどの数の電磁弁を組み合わせることは難しいという点である。また、スプール型流量比例弁は、常に摺動部から微少なエア漏れが発生することを避けられないので、単独で鉄道車両用車体傾斜制御装置の制御弁として使用するには不向きであるという点である。   The problem to be solved is that when supplying and exhausting air to and from the air spring using multiple solenoid valves, the number of solenoid valves to be combined is limited due to restrictions on the weight and size of the device, and any flow rate is achieved. It is difficult to combine as many solenoid valves as possible. In addition, the spool-type flow rate proportional valve is unavoidably used as a control valve for a railway vehicle body tilt control device because it is unavoidable that minute air leakage always occurs from the sliding portion. It is.

本発明の鉄道車両の車体傾斜制御装置は、
スプール型流量比例弁を、鉄道車両の車体傾斜制御に使用可能にするために、
車体と台車間の左右それぞれに配置した気体式ばねを用いて鉄道車両の車体傾斜制御を行う装置であって、
前記それぞれの気体式ばねと、これら気体式ばねに供給する気体を溜める元圧だめとを接続する配管の途中に、
非傾斜制御時、気体式ばねの高さを中立位置に保つ高さ調整弁と、
この高さ調整弁と直列に設けられ、車体傾斜制御時に閉じて高さ調整弁を無効にする切換え弁と、
車体傾斜制御時、前記気体式ばねへの給気と前記気体式ばねからの排気を制御するスプール型流量比例弁と、
このスプール型流量比例弁への給気用配管、及び前記スプール型流量比例弁からの排気用配管に設けられ、それぞれ配管を開閉制御する電磁弁と、
曲線情報および前記気体式ばねの変位情報から気体式ばねを目標高さに制御するための制御信号を算出して、前記の各弁を制御する制御器と、
を備えたことを最も主要な特徴としている。 The vehicle body tilt control device for a railway vehicle according to the present invention includes:
In order to be able to use the spool type flow rate proportional valve for tilt control of railway vehicles,
A device for controlling the tilt of a railway vehicle using gas springs arranged on the left and right between the vehicle body and the carriage,
In the middle of the pipe connecting the respective gas springs and the source pressure reservoir for storing the gas supplied to these gas springs,
A height adjustment valve that maintains the height of the gas spring in a neutral position during non-tilt control;
A switching valve that is provided in series with the height adjustment valve, and is closed during vehicle body tilt control to disable the height adjustment valve;
A spool-type flow rate proportional valve for controlling supply of air to the gas spring and exhaust from the gas spring during vehicle body tilt control;
A solenoid valve for controlling the opening and closing of the piping provided for the supply pipe to the spool type flow rate proportional valve and the exhaust pipe from the spool type flow rate proportional valve;
A controller for controlling the valves by calculating a control signal for controlling the gas spring to a target height from curve information and displacement information of the gas spring;
The main feature is that it has

本発明の鉄道車両の車体傾斜制御装置において使用する電磁弁が、一方向の流れしか開閉することができない場合は、
前記スプール型流量比例弁への給気を開閉制御する電磁弁は前記スプール型流量比例弁と元圧だめを接続する配管に、
また、前記スプール型流量比例弁からの排気を開閉制御する電磁弁は前記スプール型流量比例弁と排気ポートを接続する配管に設けるようにする。 When the solenoid valve used in the vehicle body tilt control device of the railway vehicle of the present invention can only open and close the flow in one direction,
The solenoid valve for controlling the opening and closing of the supply air to the spool type flow rate proportional valve is connected to the pipe connecting the spool type flow rate proportional valve and the source pressure reservoir.
The solenoid valve for controlling the opening and closing of the exhaust from the spool type flow rate proportional valve is provided in a pipe connecting the spool type flow rate proportional valve and the exhaust port.

本発明において、車体と台車間の左右とは、車両進行方向に対して同一水平面内における直角方向の左右を言う。   In the present invention, the left and right between the vehicle body and the carriage refer to the right and left in the direction perpendicular to the traveling direction of the vehicle.

本発明によれば、給排気流量を連続的に制御することができるスプール型流量比例弁の、スプールからの空気漏れを防いで、スプール型流量比例弁を鉄道車両の車体傾斜制御に使用することができる。   According to the present invention, the spool type flow rate proportional valve capable of continuously controlling the supply / exhaust flow rate prevents air leakage from the spool, and the spool type flow rate proportional valve is used for vehicle body tilt control of a railway vehicle. Can do.

従って、装置の小型化、部品点数の低下による信頼性の向上、省メンテナンス化、制御性能の向上が図れる。   Therefore, it is possible to reduce the size of the apparatus, improve the reliability due to the decrease in the number of parts, save maintenance, and improve the control performance.

本発明の鉄道車両の車体傾斜制御装置の要部構成を示した図で、（ａ）は第１の例を示した図、（ｂ）は第２の例を示した図である。It is the figure which showed the principal part structure of the vehicle body tilt control apparatus of the railway vehicle of this invention, (a) is the figure which showed the 1st example, (b) is the figure which showed the 2nd example. 本発明の鉄道車両の車体傾斜制御装置の一例を示す概略全体構成図である。1 is a schematic overall configuration diagram illustrating an example of a vehicle body tilt control device for a railway vehicle according to the present invention. 本発明の鉄道車両の車体傾斜制御装置を用いた車体傾斜制御方法の一例を示すフロー図である。It is a flowchart which shows an example of the vehicle body tilt control method using the vehicle body tilt control apparatus of the railway vehicle of this invention.

本発明では、鉄道車両用車体傾斜制御装置の制御弁としてスプール型流量比例弁を使用可能とするという目的を、スプール型流量比例弁の給排気用配管に、それぞれの配管を開閉制御する電磁弁を設置することによって実現した。   In the present invention, an electromagnetic valve for controlling the opening and closing of each pipe to the supply / exhaust piping of the spool type flow rate proportional valve is intended to enable the use of a spool type flow rate proportional valve as a control valve of a vehicle body tilt control device for a railway vehicle. Realized by installing.

以下、本発明の着想から課題解決に至るまでの過程と共に本発明を実施するための最良の形態について、図１及び図２を用いて説明する。
図１は本発明の鉄道車両の車体傾斜制御装置の要部構成を示した図、図２は本発明の鉄道車両の車体傾斜制御装置の一例を示す概略全体構成図である。 Hereinafter, the best mode for carrying out the present invention will be described with reference to FIGS. 1 and 2 together with the process from the idea of the present invention to the solution of the problem.
FIG. 1 is a diagram showing a configuration of a main part of a vehicle body tilt control device for a railway vehicle according to the present invention, and FIG. 2 is a schematic overall configuration diagram showing an example of a vehicle body tilt control device for a rail vehicle according to the present invention.

鉄道車両の車体傾斜制御を実施する際に、より良い乗心地を得るためには、気体式ばねへの給排気流量を段階的に制御するのではなく、連続的に制御することが必要である。それには、配管を開閉するだけの電磁弁に換えて、スプール型の流量比例弁を採用すれば良い。   In order to obtain a better riding comfort when carrying out vehicle body tilt control of a railway vehicle, it is necessary to control the supply / exhaust flow rate to the gas spring continuously rather than stepwise. . For this purpose, a spool-type flow rate proportional valve may be employed instead of the solenoid valve that simply opens and closes the pipe.

しかしながら、スプール型の流量比例弁を採用した場合、スプールの摺動部からエアが漏れる。このエア漏れは、鉄道車両にとっては大きな問題である。   However, when a spool type flow rate proportional valve is employed, air leaks from the sliding portion of the spool. This air leakage is a big problem for railway vehicles.

そこで、発明者らは、スプールの摺動部からのエア漏れを防止するために、スプール型流量比例弁の給気用配管と排気用配管に締切り用の電磁弁を配置することを考えた。   In view of this, the inventors have considered arranging electromagnetic valves for shut-off in the supply pipe and the exhaust pipe of the spool type flow rate proportional valve in order to prevent air leakage from the sliding portion of the spool.

元圧だめと気体式ばねからのエア漏れを防ぐという観点から、締切り用の電磁弁１１，１２の最も理想的な配置位置は、図１（ａ）に示すように、元圧だめとスプール型流量比例弁１３の間、及びスプール型流量比例弁１３と気体式ばねの間である。   From the standpoint of preventing air leakage from the source pressure reservoir and the gas spring, the most ideal arrangement positions of the electromagnetic valves 11 and 12 for shut-off are the source pressure reservoir and the spool type as shown in FIG. Between the flow rate proportional valve 13 and between the spool type flow rate proportional valve 13 and the gas spring.

このうち、元圧だめとスプール型流量比例弁１３を接続する配管は、給気方向にのみ気体が流れるため、一方向型の電磁弁を使用すればよい。一方、スプール型流量比例弁１３と気体式ばねを接続する配管は、給気と排気のどちらの方向にも気体が流れるため、双方向型の電磁弁１２を使用する必要がある。   Of these, the pipe connecting the source pressure reservoir and the spool-type flow rate proportional valve 13 flows only in the air supply direction, so a one-way type electromagnetic valve may be used. On the other hand, the pipe connecting the spool-type flow rate proportional valve 13 and the gas spring needs to use the bidirectional solenoid valve 12 because the gas flows in both the air supply and exhaust directions.

ところが、車体傾斜に使用する大流量の電磁弁は、双方向型とすることが難しいので、図１（ａ）に示した位置に締切り用の電磁弁１１，１２を配置する場合は、スプール型流量比例弁１３と気体式ばねの間に配置する電磁弁１２の大型化は避けられない。   However, since it is difficult to use a large flow rate solenoid valve for tilting the vehicle body as a bidirectional type, when the solenoid valves 11 and 12 for cutoff are arranged at the positions shown in FIG. Increasing the size of the solenoid valve 12 disposed between the flow proportional valve 13 and the gas spring is inevitable.

そこで、スプール型流量比例弁１３と気体式ばねの間に代えて、図１（ｂ）に示すように、スプール型流量比例弁１３と排気ポートの間に締切り用の電磁弁１４を設置すれば、排気の方向にしか気体が流れないので、一方向型の電磁弁を使用できる。
なお、図１中の１５は配管途中に設けたフィルタである。 Therefore, in place of the spool type flow rate proportional valve 13 and the gas spring, as shown in FIG. 1B, an electromagnetic valve 14 for shutoff may be installed between the spool type flow rate proportional valve 13 and the exhaust port. Since gas flows only in the direction of exhaust, a one-way type solenoid valve can be used.
In addition, 15 in FIG. 1 is a filter provided in the middle of piping.

本発明の鉄道車両の車体傾斜制御装置は、発明者の上記考え方に基づいてなされたものであり、例えば図２に示したような構成である。
図２において、１は車体、２は台車であり、これら車体１と台車２間の左右それぞれに空気ばね３が設けられ、これらの空気ばね３を用いて車体１の傾斜制御が行われる。 The vehicle body tilt control apparatus for a railway vehicle according to the present invention is made based on the above-mentioned concept of the inventor, and has a configuration as shown in FIG. 2, for example.
In FIG. 2, reference numeral 1 denotes a vehicle body, and 2 a carriage. Air springs 3 are provided on the left and right sides of the carriage 1 and the carriage 2, and the inclination control of the vehicle body 1 is performed using these air springs 3.

４は前記それぞれの空気ばね３に供給する空気を溜める元圧だめであり、この元圧だめ４と前記空気ばね３を接続する一方の配管５の途中に、高さ調整弁６が設置されている。   Reference numeral 4 denotes an original pressure reservoir for accumulating air to be supplied to each air spring 3. A height adjusting valve 6 is installed in the middle of one pipe 5 connecting the original pressure reservoir 4 and the air spring 3. Yes.

この高さ調整弁６は、回転レバーの角度によって空気ばね３に給排気を行い、空気ばね３の高さを中立位置に保つ機構を備えている。この高さ調整弁６は車体傾斜を妨げる働きをするため、車体傾斜制御中は高さ調整弁６と直列に設けた切換え弁７を閉じることで高さ調整弁６を無効にする。   The height adjustment valve 6 is provided with a mechanism for supplying and exhausting air to the air spring 3 according to the angle of the rotary lever and maintaining the height of the air spring 3 at a neutral position. Since the height adjustment valve 6 functions to prevent the vehicle body inclination, the height adjustment valve 6 is invalidated by closing the switching valve 7 provided in series with the height adjustment valve 6 during the vehicle body inclination control.

本発明では、前記元圧だめ４と前記空気ばね３を接続する他方の配管８の途中に、スプール型流量比例弁１３を設け、このスプール型流量比例弁１３と前記元圧だめ４との間、及び排気ポート９の間に締切り用の電磁弁１１，１４を設置している。なお、電磁弁１１，１４は、フェールセーフの観点からノーマルクローズタイプの仕様のものを採用することが望ましい。   In the present invention, a spool-type flow rate proportional valve 13 is provided in the middle of the other pipe 8 connecting the source pressure reservoir 4 and the air spring 3. And solenoid valves 11 and 14 for cutoff are installed between the exhaust ports 9. In addition, as for the solenoid valves 11 and 14, it is desirable to employ | adopt the thing of a normal close type specification from a fail safe viewpoint.

そして、演算装置と記憶装置を有する制御器１０では、例えばジャイロセンサ及び加速度センサ等から得られる信号やデータデポ地上子を介して得られる曲線情報と空気ばね３の変位情報から空気ばね３を目標高さに制御するための制御信号を算出し、各弁７，１１，１３，１４を制御する。   Then, in the controller 10 having the arithmetic device and the storage device, the target height of the air spring 3 is determined from the signal obtained from, for example, a gyro sensor and an acceleration sensor, the curve information obtained via the data depot ground element, and the displacement information of the air spring 3. A control signal for controlling the valve is calculated and the valves 7, 11, 13, and 14 are controlled.

上記構成の本発明の車体傾斜制御装置を用いた車体傾斜の方法は従来通りでよいが、電磁弁と異なり連続流量を扱えるので、傾斜制御のロジックは線形制御理論などの既存理論をそのまま適用でき、制御性能の向上を見込むことができる。   The vehicle body tilt method using the vehicle body tilt control device of the present invention having the above configuration may be the same as the conventional one, but unlike the solenoid valve, it can handle a continuous flow rate, so that the existing control theory such as linear control theory can be applied to the tilt control logic as it is. The control performance can be expected to improve.

以下、本発明の車体傾斜制御装置を用いた典型的な車体傾斜制御方法を、図３を用いて説明する。   Hereinafter, a typical vehicle body tilt control method using the vehicle body tilt control apparatus of the present invention will be described with reference to FIG.

先ず、高さセンサにより、現在の空気ばね３の高さｈを取得する。次に、車両の走行位置を取得する。車両の走行位置の取得方法としては、速度の積算と地上側のデータデポを利用する方法などがある。   First, the current height h of the air spring 3 is acquired by the height sensor. Next, the traveling position of the vehicle is acquired. As a method for acquiring the traveling position of the vehicle, there are a method of using speed accumulation and a data depot on the ground side.

制御器１０は、前記取得した車両の走行位置と曲線の位置データを照合して、曲線走行中であるかどうかを判定し、傾斜対象曲線を走行中であれば、速度と曲線諸元から目標傾斜角度を計算する。次に、目標傾斜角度から目標とする空気ばね３の高さＨを計算する。   The controller 10 collates the acquired vehicle travel position and curve position data to determine whether or not the vehicle is traveling in a curve. Calculate the tilt angle. Next, the target height H of the air spring 3 is calculated from the target inclination angle.

目標とする空気ばね３の高さＨと実際の空気ばね３の高さｈから、空気ばね３の高さを目標値に近づけるために必要な制御信号Sigを計算する。例えば、PID制御であれば下記数式１により、Ｈ∞制御であれば下記数式２によって前記制御信号Sigを計算する。   From the target height H of the air spring 3 and the actual height h of the air spring 3, a control signal Sig necessary to bring the height of the air spring 3 close to the target value is calculated. For example, the control signal Sig is calculated by the following formula 1 for PID control and by the following formula 2 for H∞ control.

Figure 2011016441
Figure 2011016441

Figure 2011016441
Figure 2011016441

従来の電磁弁を用いた車体傾斜制御の場合、前記数式１又は２で得られた制御信号Sigを適当な閾値で区切って整数値に変換し、開操作する電磁弁の数を決定する。   In the case of vehicle body tilt control using a conventional solenoid valve, the control signal Sig obtained by the above formula 1 or 2 is divided by an appropriate threshold value and converted to an integer value, and the number of solenoid valves to be opened is determined.

これに対して、本発明の車体傾斜制御装置では、連続的に流量を扱えるので、前記数式１又は２で得られた制御信号Sigをそのまま流量比例弁に出力することができる。これにより、得られた制御信号Sigが閾値以下の小さな変化の場合、従来の電磁弁を用いた車体傾斜制御では対応できないが、本発明の車体傾斜制御装置では対応することができるので、制御精度が向上する。   On the other hand, in the vehicle body tilt control device of the present invention, since the flow rate can be handled continuously, the control signal Sig obtained by the equation 1 or 2 can be output to the flow rate proportional valve as it is. As a result, when the obtained control signal Sig is a small change below the threshold, it cannot be handled by the vehicle body tilt control using the conventional solenoid valve, but can be handled by the vehicle body tilt control device of the present invention. Will improve.

また、PIDフィードバックゲインや制御器パラメータを設計する際に、車両の動特性を同定する必要があるが、流量比例弁を用いると、電磁弁では不可能なサインスイープを実施することができ、対象車両の周波数領域での特性を得ることができる。このため、たとえば共振周波数やピークの大きさなどの情報を得ることができ、より良い性能の制御パラメータを設計することができる。   Also, when designing PID feedback gain and controller parameters, it is necessary to identify the vehicle dynamics, but if a flow proportional valve is used, a sine sweep that is impossible with a solenoid valve can be performed. Characteristics in the frequency domain of the vehicle can be obtained. For this reason, for example, information such as resonance frequency and peak size can be obtained, and control parameters with better performance can be designed.

本発明は上記の例に限らず、本発明の各請求項に記載された技術的思想の範疇であれば、適宜実施の形態を変更しても良いことは、言うまでもない。   The present invention is not limited to the above example, and it goes without saying that the embodiment may be appropriately changed within the scope of the technical idea described in each claim of the present invention.

以上の本発明は、気体式ばねの高さを制御させることで、車体を傾斜させるものであれば、ボルスタレス台車に限らずボルスタ台車にも適用できる。   The present invention described above can be applied not only to a bolsterless bogie but also to a bolster bogie as long as the vehicle body is tilted by controlling the height of the gas spring.

１ 車体
２ 台車
３ 空気ばね
４ 元圧だめ
５ 一方の配管
６ 高さ調整弁
７ 切換え弁
８ 他方の配管
９ 排気ポート
１０ 制御器
１１、１２、１４ 電磁弁
１３ スプール型流量比例弁 DESCRIPTION OF SYMBOLS 1 Car body 2 Bogie 3 Air spring 4 Source pressure reservoir 5 One piping 6 Height adjustment valve 7 Switching valve 8 Other piping 9 Exhaust port 10 Controller 11, 12, 14 Solenoid valve 13 Spool type flow rate proportional valve

Claims (2)

車体と台車間の左右それぞれに配置した気体式ばねを用いて鉄道車両の車体傾斜制御を行う装置であって、
前記それぞれの気体式ばねと、これら気体式ばねに供給する気体を溜める元圧だめとを接続する配管の途中に、
非傾斜制御時、気体式ばねの高さを中立位置に保つ高さ調整弁と、
この高さ調整弁と直列に設けられ、車体傾斜制御時に閉じて高さ調整弁を無効にする切換え弁と、
車体傾斜制御時、前記気体式ばねへの給気と前記気体式ばねからの排気を制御するスプール型流量比例弁と、
このスプール型流量比例弁への給気用配管、及び前記スプール型流量比例弁からの排気用配管に設けられ、それぞれ配管を開閉制御する電磁弁と、
曲線情報および前記気体式ばねの変位情報から気体式ばねを目標高さに制御するための制御信号を算出して、前記の各弁を制御する制御器と、
を備えたことを特徴とする鉄道車両の車体傾斜制御装置。 A device for controlling the tilt of a railway vehicle using gas springs arranged on the left and right between the vehicle body and the carriage,
In the middle of the pipe connecting the respective gas springs and the source pressure reservoir for storing the gas supplied to these gas springs,
A height adjustment valve that maintains the height of the gas spring in a neutral position during non-tilt control;
A switching valve that is provided in series with the height adjustment valve, and is closed during vehicle body tilt control to disable the height adjustment valve;
A spool-type flow rate proportional valve for controlling supply of air to the gas spring and exhaust from the gas spring during vehicle body tilt control;
A solenoid valve for controlling the opening and closing of the piping provided for the supply pipe to the spool type flow rate proportional valve and the exhaust pipe from the spool type flow rate proportional valve;
A controller for controlling the valves by calculating a control signal for controlling the gas spring to a target height from curve information and displacement information of the gas spring;
A vehicle body tilt control device for a railway vehicle. 前記スプール型流量比例弁への給気を開閉制御する電磁弁は前記スプール型流量比例弁と元圧だめを接続する配管に、
また、前記スプール型流量比例弁からの排気を開閉制御する電磁弁は前記スプール型流量比例弁と排気ポートを接続する配管に設けられていることを特徴とする請求項１に記載の鉄道車両の車体傾斜制御装置。 The solenoid valve for controlling the opening and closing of the supply air to the spool type flow rate proportional valve is connected to the pipe connecting the spool type flow rate proportional valve and the source pressure reservoir.
2. The railway vehicle according to claim 1, wherein an electromagnetic valve that controls opening and closing of the exhaust from the spool type flow rate proportional valve is provided in a pipe that connects the spool type flow rate proportional valve and an exhaust port. Body tilt control device.
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