JP2007313956A - Crossing-bar lowering-speed control system and crossing-bar lowering-speed control method - Google Patents
Crossing-bar lowering-speed control system and crossing-bar lowering-speed control method Download PDFInfo
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- JP2007313956A JP2007313956A JP2006143486A JP2006143486A JP2007313956A JP 2007313956 A JP2007313956 A JP 2007313956A JP 2006143486 A JP2006143486 A JP 2006143486A JP 2006143486 A JP2006143486 A JP 2006143486A JP 2007313956 A JP2007313956 A JP 2007313956A
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- 238000000034 method Methods 0.000 title claims description 12
- 238000010248 power generation Methods 0.000 claims abstract description 3
- 230000004888 barrier function Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
Description
本発明は遮断かんの下降速度制御システムおよび遮断かんの下降速度制御方法に係り、特に踏切等の遮断機において、停電時においても遮断かんの自重下降速度を調整可能とすることによって遮断かんの個別調整作業を不要とし、簡易、安全かつ確実な通行等の遮断効果を得ることのできる、遮断かんの下降速度制御システムおよび遮断かんの下降速度制御方法に関する。 The present invention relates to a descent speed control system and a descent speed control method for a breaker, and particularly to a breaker such as a railroad crossing, by making it possible to adjust the weight lowering speed of the breaker even during a power failure. The present invention relates to a lowering speed control system and a lowering speed control method for a shut-off can that can eliminate the adjustment work and obtain a shut-off effect such as simple, safe and reliable passage.
踏切等に設置される遮断機は従来、通行遮断のための遮断かんの昇降を作動させるためのモータ・ドライバと、遮断かんに作動させるためのメカブレーキを備えて構成されている。遮断機は停電時においては、通行車両等の安全確保のために遮断かんを水平位置まで自重下降させる必要がある。 A circuit breaker installed at a railroad crossing or the like is conventionally provided with a motor driver for operating lifting and lowering of a barrier for blocking traffic and a mechanical brake for operating the barrier. In the event of a power failure, the circuit breaker needs to lower its weight to the horizontal position in order to ensure the safety of passing vehicles.
この場合、下降速度が過大であることによる遮断かんの車両・人身等への衝撃事故や、逆に過小であることによる通行遮断作用の遅れにより生じる衝突事故などの不測の事故を予防するために、遮断かん下降速度は適度に調節されることが必要である。そのために従来は、遮断かんに速度調節のためのウェイトが取り付けられたり、またウェイト取着不要とするために、遮断かんを下降作動させるモータにおいて発生する電力を利用したダイナミックブレーキ回路を用いたりすることがなされている。 In this case, in order to prevent unexpected accidents such as an impact accident on the vehicle or human body due to the descent speed being excessive, or a collision accident caused by a delay in the traffic blocking action due to being too small Therefore, it is necessary to adjust the lowering speed of the barrier can moderately. For this reason, conventionally, a weight for adjusting the speed is attached to the breaker or a dynamic brake circuit using electric power generated in a motor for lowering the breaker is used to eliminate the need for attaching the weight. Things have been done.
なおまた、停電時等における遮断かんの自重下降に関する技術提案もなされており、後掲特許文献に示すものは、しゃ断かんの自重下降特性を自由落下時とは異なる特性にできる電気式しゃ断機の提供を目的として、しゃ断かんが所定の設定位置まで自重落下すると、しゃ断かんに応動するカムによって可動接点が押し上げられて短絡回路が閉じ、直流ブラシレスモータに発電制動がかかり、しゃ断かんの落下速度が小さくなるという構成を開示したものである。 In addition, technical proposals have been made regarding the lowering of the weight of the breaker at the time of a power failure, etc., and what is shown in the following patent document is an electric breaker that can make the weight lowering characteristic of the breaker different from that at the time of free fall. For the purpose of providing, when the shutoff weight falls to the set position, the movable contact is pushed up by the cam that responds to the shutoff, the short circuit is closed, the DC brushless motor is subjected to dynamic braking, The configuration of becoming smaller is disclosed.
しかし従来の遮断機構成では、上記特許文献も含め、遮断かんの長さが変わると停電時における自重による下降速度も変わるため、遮断かんあるいは遮断機ごとに個別の速度調整作業が必要となる。 However, in the conventional circuit breaker configuration, including the above-mentioned patent documents, when the length of the circuit breaker changes, the descending speed due to its own weight at the time of a power failure also changes, so that individual speed adjustment work is required for each circuit breaker or circuit breaker.
本発明が解決しようとする課題は、上記従来技術の問題点を除き、踏切等の遮断機において、遮断かんの長さに関わらず、停電時においても遮断かんの自重下降速度を一定速度に調整可能とすることによって遮断かんの個別調整作業を不要とし、簡易、安全かつ確実な通行等の遮断効果を得ることのできる、遮断かんの下降速度制御システムおよび遮断かんの下降速度制御方法を提供することである。 The problem to be solved by the present invention is that, except for the above-mentioned problems of the prior art, in a circuit breaker such as a level crossing, the speed at which the weight of the barrier is lowered is constant even during a power failure, regardless of the length of the barrier. Provided is a barrier can lowering speed control system and a barrier can lower speed control method capable of obtaining a barrier effect such as simple, safe and reliable passage, etc. That is.
本願発明者は上記課題について検討した結果、遮断かんを作動させるモータにおいて発生する電力を速度制御回路に供給する構成によって上記課題の解決が可能であることを見出し、本発明に至った。すなわち、上記課題を解決するための手段として本願で特許請求される発明、もしくは少なくとも開示される発明は、以下の通りである。 As a result of studying the above problems, the inventor of the present application has found that the above problems can be solved by the configuration in which the electric power generated in the motor that operates the shut-off can be supplied to the speed control circuit. That is, the invention claimed in the present application, or at least the disclosed invention, as means for solving the above-described problems is as follows.
(1) 停電時における遮断機の遮断かんの下降速度を制御するシステムであって、該システムは、該遮断かんの下降動作に係るモータの回転速度を制御するための速度制御回路と、通電時において、電力を該速度制御回路に対して供給する通常電源回路と、停電時において、該遮断かんの自重下降動作により該モータで発生する電力を該速度制御回路に対して供給するモータ発電供給回路とを備えてなることを特徴とする、遮断かんの下降速度制御システム。 (1) A system for controlling the lowering speed of the breaker of the circuit breaker during a power failure, the system comprising a speed control circuit for controlling the rotational speed of the motor related to the lowering operation of the breaker, A normal power supply circuit for supplying electric power to the speed control circuit, and a motor power generation and supply circuit for supplying electric power generated by the motor to the speed control circuit by a self-weight lowering operation of the shut-off member during a power failure And a descent speed control system for the shut-off can.
(2) 停電時における遮断機の遮断かんの下降速度を制御することのできる方法であって、通電時においては、通常電源回路が後記速度制御回路に対して電力を供給し、停電時においては、該遮断かんの自重下降動作によりこれと連動するモータにて発生する電力を該速度制御回路に対して供給し、該速度制御回路はかかる電力供給を受けて該遮断かんの下降動作に連動する該モータの回転速度を制御することによって、該遮断かんの下降速度が制御されることを特徴とする、遮断かんの下降速度制御方法。 (2) It is a method that can control the lowering speed of the breaker of the circuit breaker at the time of power failure. When energized, the normal power supply circuit supplies power to the speed control circuit, which will be described later. The electric power generated by the motor interlocked with the dead weight lowering operation of the interrupter is supplied to the speed control circuit, and the speed control circuit receives the electric power and is interlocked with the lowering operation of the interrupter. A method for controlling the lowering speed of the interrupting can, wherein the lowering speed of the interrupting can is controlled by controlling the rotational speed of the motor.
本発明の遮断かんの下降速度制御システムおよび遮断かんの下降速度制御方法は上述のように構成されるため、これによれば、踏切等の遮断機において、遮断かんの長さに関わらず、停電時においても遮断かんの自重下降速度を一定速度に調整可能とすることによって遮断かんの個別調整作業を不要とすることができる。またそれによって、簡易、安全かつ確実な通行等の遮断効果を得ることができる。 Since the lowering speed control system and the lowering speed control method of the barrier of the present invention are configured as described above, according to this, in the interrupter such as a level crossing, the power failure occurs regardless of the length of the barrier. Even in such a case, by making it possible to adjust the lowering speed of the weight of the breaking canal to a constant speed, the individual adjustment work of the breaking can be made unnecessary. Further, it is possible to obtain a blocking effect such as simple, safe and reliable traffic.
以下、本発明を図面も用いつつより詳細に説明する。
図1は、本発明の遮断かんの下降速度制御システムの要部構成を示す回路図である。図示するように本システム1は、停電時における遮断機の遮断かんの下降速度を制御するためのものであって、遮断かんの下降動作に係るモータ2の回転速度を制御するための速度制御回路3と、通電時において電力を速度制御回路3に対して供給するための通常電源回路4と、停電時において遮断かんの自重下降動作によりモータ2で発生する電力を速度制御回路3に対して供給するためのモータ発電供給回路5とを備えていることを、主たる構成とする。
Hereinafter, the present invention will be described in more detail with reference to the drawings.
FIG. 1 is a circuit diagram showing a configuration of a main part of a lowering speed control system for a breaker according to the present invention. As shown in the figure, the
かかる構成により本システム1では、通電時においては通常電源回路4によって電力が速度制御回路3に対して供給されて(図中、「A」方向)、速度制御回路3によって遮断かんの下降動作に係るモータ2の回転速度が制御されて、遮断機の遮断かんの下降速度が所望の速度に制御される。一方停電時においては、モータ発電供給回路5によって遮断かんの自重下降動作によりモータ2で発生する電力が速度制御回路3に対して供給されて(図中、「B」方向)、通電時と何ら変わることなく、遮断機の遮断かんの下降速度が所望の速度に制御される。
With this configuration, in the
該速度制御回路の使用により、ウエイト等の補助機構を用いることなく自重下降速度を一定速度にすることができる。かかる速度制御を行うための基本的な構成は、モータに内蔵もしくは付属のセンサと、該センサからの信号を受けてこれを処理する制御器(ドライバ)からなり、該制御器は、該センサから受けた信号に基づいて該モータの回転速度を算出する速度演算機能部と、モータ回転速度を設定するための速度設定機能部と、該算出された速度と設定速度とを比較してその差がゼロとなるようにモータ電流を調整する速度制御機能部とを備えてなる。モータに内蔵もしくは付属のセンサとしては、モータの回転速度を直接もしくは間接的に得ることのできるものを適宜使用できる。たとえば角度検出器としてレゾルバは、本発明システムに係るモータのセンサとして良好に用いることができる。 By using the speed control circuit, it is possible to make the self-weight lowering speed constant without using an auxiliary mechanism such as a weight. A basic configuration for performing such speed control includes a sensor built in or attached to the motor and a controller (driver) that receives a signal from the sensor and processes the signal. A speed calculation function unit that calculates the rotation speed of the motor based on the received signal, a speed setting function unit for setting the motor rotation speed, and the difference between the calculated speed and the set speed is compared. And a speed control function unit that adjusts the motor current to be zero. As a sensor built in or attached to the motor, a sensor capable of directly or indirectly obtaining the rotational speed of the motor can be used as appropriate. For example, a resolver as an angle detector can be favorably used as a motor sensor according to the system of the present invention.
かかる速度制御の構成により、モータに内蔵されているセンサ(レゾルバ等)から制御器(ドライバ)に対して信号が送られ、制御器では受けた信号に基づき、その速度演算機能部においてモータの回転速度が算出され、該算出された速度と、予め速度設定機能部にて設定されているモータ回転速度とが、速度制御機能部において比較されてその差がゼロとなるようにモータ電流が調整されることによって、モータの回転速度が制御される。 With this speed control configuration, a signal is sent from a sensor (such as a resolver) built in the motor to the controller (driver), and the controller calculates the rotation of the motor based on the received signal. The speed is calculated, and the motor current is adjusted so that the calculated speed and the motor rotation speed set in advance by the speed setting function unit are compared by the speed control function unit and the difference is zero. Thus, the rotational speed of the motor is controlled.
以上のように、本発明システム1によってなされる遮断かん下降速度の制御は、通電時においては、通常電源回路4が速度制御回路3に対して電力を供給し、停電時においては、遮断かんの自重下降動作によりこれと連動するモータ2にて発生する電力を速度制御回路3に対して供給し、速度制御回路3はかかる電力供給を受けて遮断かんの下降動作に連動するモータ2の回転速度を制御するというものである。
As described above, the control of the shut-off speed performed by the
本発明の遮断かんの下降速度制御システムおよび遮断かんの下降速度制御方法によれば、踏切等の遮断機において、遮断かんの長さに関わらず、停電時においても遮断かんの自重下降速度を一定速度に調整可能とすることによって遮断かんの個別調整作業を不要とすることができる。したがって、産業上利用価値が高い発明である。 According to the lowering speed control system and the lowering speed control method of the breaker of the present invention, in the breaker such as a level crossing, the weight lowering speed of the breaker is kept constant even during a power failure regardless of the length of the breaker. By making it possible to adjust the speed, it is possible to eliminate the need for individual adjustment work of the shut-off can. Therefore, the invention has high industrial utility value.
1…遮断かんの下降速度制御システム
2…モータ
3…速度制御回路
4…通常電源回路
5…モータ発電供給回路
A…通常電源回路による電力供給方向
B…モータ発電供給回路による電力供給方向
DESCRIPTION OF
Claims (2)
It is a method that can control the lowering speed of the breaker of the circuit breaker at the time of a power failure, and when power is supplied, the normal power supply circuit supplies power to the speed control circuit, which will be described later, and at the time of power failure Electric power generated by a motor interlocking with the self-weight descending operation of the can is supplied to the speed control circuit, and the speed control circuit receives the power supply and receives the electric power of the motor interlocked with the descending operation of the shut-off can. A method for controlling the lowering speed of the barrier can, wherein the lowering speed of the barrier is controlled by controlling the rotational speed.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010195151A (en) * | 2009-02-24 | 2010-09-09 | Nippon Signal Co Ltd:The | Crossing rod opening/closing device |
JP2016011547A (en) * | 2014-06-30 | 2016-01-21 | 日本信号株式会社 | Gate device |
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JPH0532216U (en) * | 1991-10-07 | 1993-04-27 | 大同信号株式会社 | Electric railroad crossing, machine breaker, and rod lowering speed control device |
JPH1014275A (en) * | 1996-06-20 | 1998-01-16 | Nippon Electric Ind Co Ltd | Motor for crossing barrier |
JPH11291911A (en) * | 1998-04-03 | 1999-10-26 | Nippon Signal Co Ltd:The | Electric gate for railroad crossing and method for adjusting deadweight sinking characteristics of gate pole |
JP2002160634A (en) * | 2000-11-28 | 2002-06-04 | East Japan Railway Co | Control method for up-and-down of barrier bar |
JP2002160635A (en) * | 2000-11-28 | 2002-06-04 | East Japan Railway Co | Control method for barrier bar stop position and its speed |
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2006
- 2006-05-24 JP JP2006143486A patent/JP4696187B2/en active Active
Patent Citations (6)
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JPH0295196A (en) * | 1988-09-28 | 1990-04-05 | Toshiba Corp | Controller for inverter device |
JPH0532216U (en) * | 1991-10-07 | 1993-04-27 | 大同信号株式会社 | Electric railroad crossing, machine breaker, and rod lowering speed control device |
JPH1014275A (en) * | 1996-06-20 | 1998-01-16 | Nippon Electric Ind Co Ltd | Motor for crossing barrier |
JPH11291911A (en) * | 1998-04-03 | 1999-10-26 | Nippon Signal Co Ltd:The | Electric gate for railroad crossing and method for adjusting deadweight sinking characteristics of gate pole |
JP2002160634A (en) * | 2000-11-28 | 2002-06-04 | East Japan Railway Co | Control method for up-and-down of barrier bar |
JP2002160635A (en) * | 2000-11-28 | 2002-06-04 | East Japan Railway Co | Control method for barrier bar stop position and its speed |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010195151A (en) * | 2009-02-24 | 2010-09-09 | Nippon Signal Co Ltd:The | Crossing rod opening/closing device |
JP2016011547A (en) * | 2014-06-30 | 2016-01-21 | 日本信号株式会社 | Gate device |
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JP4696187B2 (en) | 2011-06-08 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |