JPH06258030A - Height measuring apparatus for trolley wire - Google Patents
Height measuring apparatus for trolley wireInfo
- Publication number
- JPH06258030A JPH06258030A JP6938793A JP6938793A JPH06258030A JP H06258030 A JPH06258030 A JP H06258030A JP 6938793 A JP6938793 A JP 6938793A JP 6938793 A JP6938793 A JP 6938793A JP H06258030 A JPH06258030 A JP H06258030A
- Authority
- JP
- Japan
- Prior art keywords
- trolley wire
- light receiving
- height
- light
- vehicle
- 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.)
- Granted
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、架空トロリー線の高
さ測定装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a height measuring device for an overhead trolley wire.
【０００２】[0002]
【従来の技術】図４は、電車線路の車両と、これに対し
て設けられた架空トロリー線（以下単にトロリ線とい
う）を示す。(a) において、トロリ線１は電柱２a に支
持された吊架線２b にハンガーを用いて展張されてい
る。トロリ線１に対して車両３の屋根上に設けられたパ
ンタグラフ４の摺板４a が摺動接触し、トロリ線の高電
圧を受電して車両３が走行する。走行により摺板４a は
漸次摩耗するので、摩耗を均等とするため、(b) のよう
に、トロリ線１は各電柱間で中心線Ｃの左右に幅Ｄの範
囲を交互に偏位して架設されている。2. Description of the Related Art FIG. 4 shows a train track vehicle and an overhead trolley wire (hereinafter, simply referred to as a trolley wire) provided thereto. In (a), the trolley wire 1 is stretched using a hanger on the suspension wire 2b supported by the electric pole 2a. The sliding plate 4a of the pantograph 4 provided on the roof of the vehicle 3 comes into sliding contact with the trolley wire 1, and the vehicle 3 travels by receiving the high voltage of the trolley wire. Since the sliding plate 4a gradually wears due to running, in order to make the wear uniform, the trolley wire 1 is alternately deviated in the range of the width D to the left and right of the center line C between the electric poles as shown in (b). It is installed.
【０００３】さて、パンタグラフ４が安定に受電するた
めには、トロリ線１の架設高さを基準値に保持すること
が必要であり、この高さは電気検測車に高さ検出器を設
けて定期的に測定され管理されている。図５は従来の高
さ検出器６を示す。検測車５の屋根上にはトロリ線の摩
耗などを測定するために測定専用のパンタグラフ４′が
設けられており、そのアーム４b の基部の回転軸に回動
アーム６a を固定し、その先端を摺動抵抗器６b に結合
して構成される。トロリ線１の昇降に応じて回転軸が回
転し、摺動抵抗器５b の抵抗値が変化し、この変化によ
り高さが検出される。In order for the pantograph 4 to receive power stably, it is necessary to keep the erection height of the trolley wire 1 at a reference value. This height is provided with a height detector on the electric inspection vehicle. Are regularly measured and managed. FIG. 5 shows a conventional height detector 6. On the roof of the inspection vehicle 5, there is provided a pantograph 4'for measurement in order to measure the wear of the trolley wire. The rotating arm 6a is fixed to the rotary shaft of the base of the arm 4b, and its tip is fixed. Is connected to the sliding resistor 6b. As the trolley wire 1 moves up and down, the rotary shaft rotates, and the resistance value of the sliding resistor 5b changes, and the height is detected by this change.
【０００４】また、トロリ線１は車両３の走行中にパン
タグラフ４の押圧力により動揺する。列車速度の向上に
対応してトロリ線の構造やその架設方法などを改良する
ためには、列車走行時における動揺の動的状態を把握す
ることが必要とされており、このためにはパンタグラフ
４の近傍と、その影響を受けない離れた位置におけるト
ロリ線のそれぞれの高さを同時に測定し、両者を比較す
ることが有効と考えられている。図６はトロリ線の動揺
を把握するための測定モデルを示す。複数の車両３によ
り編成された列車において、パンタグラフ４が走行方向
に対して前部の車両３aにはなく、適当に離れた後部の
車両３b にあるとし、これらにそれぞれ高さ測定装置を
設け、走行中に両者により高さをＺa とＺb を測定して
比較することが提案されている。The trolley wire 1 is swayed by the pressing force of the pantograph 4 while the vehicle 3 is running. In order to improve the structure of the trolley wire and the erection method of the trolley wire in response to the increase in train speed, it is necessary to understand the dynamic state of sway during train running. It is considered effective to simultaneously measure the heights of the trolley wire in the vicinity of and at the distant positions that are not affected by them and compare the two. FIG. 6 shows a measurement model for grasping the fluctuation of the trolley wire. In a train composed of a plurality of vehicles 3, it is assumed that the pantograph 4 is not in the front vehicle 3a with respect to the traveling direction, but in the rear vehicle 3b which is appropriately separated, and each of which is provided with a height measuring device, It has been proposed to measure and compare the heights Z a and Z b by both while running.
【０００５】[0005]
【発明が解決しようとする課題】上記した従来のトロリ
線高さ検出器は、その点検保守は屋根上作業であるため
危険であり、またトロリ線の高電圧に対する絶縁と強烈
な雑音の排除対策が必要であり、これらを回避するに
は、光学式の測定装置が要望されている。この発明は上
記の提案に対応するため、または従来の機械式の高さ検
出器に代って使用できる、簡易な光学式のトロリ線の高
さ測定装置を提供することを目的とする。The above-mentioned conventional trolley wire height detector is dangerous because its maintenance is performed on the roof, and the measures against the high voltage of the trolley wire and the elimination of strong noise are required. In order to avoid these, an optical measuring device is demanded. SUMMARY OF THE INVENTION It is an object of the present invention to provide a simple optical trolley wire height measuring device which can be used in response to the above proposal or in place of a conventional mechanical height detector.
【０００６】[0006]
【課題を解決するための手段】この発明はトロリ線の高
さ測定装置であって、車両の屋根上の左右中心線上に、
適当な間隔で互いに対向して配置された投光系および受
光系と、車両に搭載されたデータ処理部とを具備する。
投光系により、トロリ線の左右偏位に対応した幅を有す
るレーザ光束を、適当な斜め上向きの投射角度で投射す
る。受光系は、受光光軸がトロリ線の高さ変動範囲の中
心に対して、投射角度に等しい受光角度に設定され、干
渉フィルタと結像レンズ、および受光光軸に直角に設け
られ、左右偏位に対応した幅を有する複数の素子が、高
さ変動範囲に対応して配列されたＣＣＤリニアセンサと
により構成され、左右偏位および高さ変動範囲内のトロ
リ線によるレーザ光束の反射光を受光し、反射光に含ま
れる天空の自然光を干渉フィルタにより除去し、結像レ
ンズによりＣＣＤセンサの素子のいずれかに結像する。
結像した素子の出力信号をデータ処理部に入力してこの
素子のアドレスを検出し、このアドレスに対応するトロ
リ線の高さデータを出力する。SUMMARY OF THE INVENTION The present invention is a trolley wire height measuring device, wherein
The vehicle includes a light projecting system and a light receiving system that are arranged to face each other at appropriate intervals, and a data processing unit mounted on the vehicle.
The light projecting system projects a laser beam having a width corresponding to the lateral displacement of the trolley wire at an appropriate oblique upward projection angle. The light-receiving system has a light-receiving optical axis set at a light-receiving angle equal to the projection angle with respect to the center of the height variation range of the trolley wire, and is provided at right angles to the interference filter, the imaging lens, and the light-receiving optical axis. A plurality of elements having a width corresponding to the position are constituted by a CCD linear sensor arranged corresponding to the height variation range, and the reflected light of the laser light flux by the trolley line within the lateral deviation and the height variation range is generated. The received natural light in the sky included in the reflected light is removed by the interference filter, and an image is formed on one of the elements of the CCD sensor by the imaging lens.
The output signal of the imaged element is input to the data processing section, the address of this element is detected, and the height data of the trolley wire corresponding to this address is output.
【０００７】[0007]
【作用】上記の高さ測定装置においては、投光系によ
り、トロリ線の左右偏位に対応した幅のレーザ光束が、
適当な斜め上向きの投射角度で投射される。受光系は、
受光光軸が高さ変動範囲の中心に対して、投射角度に等
しい受光角度に設定され、左右偏位および高さ変動範囲
内のトロリ線によるレーザ光束の反射光が受光される。
反射光に含まれている天空の自然光が干渉フィルタによ
り除去された後、ＣＣＤセンサのいずれかの素子に結像
する。ＣＣＤセンサの自己走査により、反射光が結像し
た素子から出力された出力信号が、データ処理部に入力
して走査タイミングによりこの素子のアドレスが検出さ
れ、これに対応するトロリ線の高さデータが出力され
る。上記において、ＣＣＤセンサの各素子は、トロリ線
の左右偏位に対応した幅を有するので、左右偏位により
偏位した反射光は同一素子に受光され、高さ測定に対す
る左右偏位の影響が排除される。また、干渉フィルタに
より自然光が除去されるので昼間測定が可能とされてい
る。In the above height measuring device, the light projecting system causes the laser beam having a width corresponding to the lateral deviation of the trolley wire to
It is projected at an appropriate oblique upward projection angle. The light receiving system is
The light receiving optical axis is set to a light receiving angle equal to the projection angle with respect to the center of the height variation range, and the reflected light of the laser light beam by the trolley line within the lateral deviation and the height variation range is received.
The natural light of the sky included in the reflected light is removed by the interference filter, and then imaged on any element of the CCD sensor. The output signal output from the element on which the reflected light is imaged by the CCD sensor's self-scan is input to the data processing unit and the address of this element is detected by the scanning timing, and the height data of the trolley wire corresponding to this is detected. Is output. In the above, each element of the CCD sensor has a width corresponding to the lateral displacement of the trolley wire, so the reflected light displaced by the lateral displacement is received by the same element, and the influence of the lateral displacement on the height measurement is affected. Will be eliminated. Moreover, since the natural light is removed by the interference filter, daytime measurement is possible.
【０００８】[0008]
【実施例】図１はこの発明の一実施例における投光系７
と受光系８の配置図を示す。車両３（検測車５を含む）
の走行方向をＸ、直角方向をＹ、垂直方向をＺとする。
車両３の屋根上の左右中心線Ｃ上に、投光系７と受光系
８を対向して設ける。なお図示を省略するが、データ処
理部は車両３の適当な箇所に搭載される。投光系７の光
軸をＸ方向で、適当な、例えば３０°の投射角度θT に
設定し、半導体レーザ素子７a が出力するレーザ光を、
シリンドリカルレンズ７b によりレーザ光束ＬT に変換
して、トロリ線１の左右偏位の範囲Ｄに対して投射す
る。なお、半導体レーザ素子７a としては、連続出力が
なるべく大きい、例えば１Ｗ程度のものを使用する。一
方、受光系８は光軸をトロリ線１の高さ変動範囲ＨVの
中心線ＨC に対して、投射角度θT に等しい受光角度θ
R に設定する。この中心線ＨC の高さは一定値であるの
で、これと角度θT により投光系７と受光系８の間隔Ｘ
d が決まる。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a projection system 7 according to an embodiment of the present invention.
And a layout of the light receiving system 8 is shown. Vehicle 3 (including inspection vehicle 5)
Let X be the traveling direction, Y be the orthogonal direction, and Z be the vertical direction.
A light projecting system 7 and a light receiving system 8 are provided so as to face each other on the left-right center line C on the roof of the vehicle 3. Although not shown, the data processing unit is mounted at an appropriate location on the vehicle 3. The optical axis of the light projecting system 7 is set in the X direction to an appropriate projection angle θ T of, for example, 30 °, and the laser light output from the semiconductor laser element 7a is
It is converted into a laser beam L T by the cylindrical lens 7 b and projected onto the range D of the lateral displacement of the trolley wire 1. As the semiconductor laser element 7a, one having a continuous output as large as possible, for example, about 1 W is used. On the other hand, the light receiving system 8 has an optical axis with respect to the center line H C of the height variation range H V of the trolley wire 1 that is equal to the projection angle θ T.
Set to R. Since the height of this center line H C is a constant value, the distance X between the light projecting system 7 and the light receiving system 8 is determined by this and the angle θ T.
d is determined.
【０００９】図２(a) はＸＺ面におけるレーザ光束ＬT
と、高さが変動する１条のトロリ線１の反射光ＬR の関
係を示す。高さが変動して変動範囲ＨV の中心線ＨC に
あるトロリ線Ｔ1 は反射光ＬR1を反射し、範囲ＨV の最
上にあるＴ2 と、最下位にあるＴ3 はそれぞれ反射光Ｌ
R2，ＬR3を反射して受光系８に受光される。図２(b),
(c) は、受光系８の構成と、ＸＺ面とＹＺ面における各
反射光ＬR1などの結像位置を示す。受光系８は干渉フィ
ルタ81と結像レンズ82およびＣＣＤセンサ83とにより構
成される。干渉フィルタ81はレーザ光束ＬT の波長に対
する狭い透過帯域を有し、入射した反射光ＬR より天空
の自然光の大部分を除去して昼間測定が可能とされ、反
射光ＬR は結像レンズ82によりＣＣＤセンサ83に結像さ
れる。(b) に示すように、ＣＣＤ83は高さ変動範囲ＨV
に対応した長さＨV ′に複数の素子ｅが配列され、反射
光ＬR1は中心の素子ｅ1 に、反射光ＬR2、ＬR3は素子ｅ
2,ｅ3 にそれぞれ結像される。各素子ｅは左右偏位範囲
Ｄに対応した幅Ｄ′を有し、各反射光ＬR1〜ＬR3が各素
子ｅ1 〜ｅ3 にそれぞれ結像されて左右偏位の影響が排
除される。FIG. 2A shows a laser beam L T in the XZ plane.
And the relationship of the reflected light L R of the single trolley wire 1 whose height varies. The height changes and the trolley line T 1 on the center line H C of the variation range H V reflects the reflected light L R1, and the uppermost T 2 and the lowermost T 3 of the range H V are reflected respectively. Light L
The R2 and L R3 are reflected and received by the light receiving system 8. Figure 2 (b),
(c) shows the configuration of the light receiving system 8 and the image forming positions of the respective reflected lights L R1 on the XZ plane and the YZ plane. The light receiving system 8 is composed of an interference filter 81, an imaging lens 82 and a CCD sensor 83. The interference filter 81 has a narrow transmission band with respect to the wavelength of the laser beam L T , and most of the natural light in the sky is removed from the incident reflected light L R to enable daytime measurement. The reflected light L R is an imaging lens. An image is formed on the CCD sensor 83 by 82. As shown in (b), the CCD 83 has a height variation range H V
A plurality of elements e are arrayed in a length H V ′ corresponding to, the reflected light L R1 is the central element e 1 and the reflected lights L R2 and L R3 are the element e.
Images are formed on 2 and e 3 , respectively. Each element e has a width D'corresponding to the lateral displacement range D, and the reflected lights L R1 to L R3 are imaged on the elements e 1 to e 3 , respectively, and the influence of lateral displacement is eliminated. .
【００１０】図３はデータ処理部９の構成を示し、信号
処理回路91、ＲＯＭ92、および出力部93よりなり、ＣＣ
Ｄ83の各素子ｅの位置にＲＯＭ92のアドレスを対応さ
せ、各アドレスにはトロリ線１の高さデータが予め記録
される。ＣＣＤ83の自己走査により、反射光ＬR が結像
された素子ｅより出力される出力信号ｓと、走査タイミ
ング信号ｔとがデータ処理部９に入力し、信号処理回路
91により当該素子に対するアドレスが検出され、ＲＯＭ
92に対してこのアドレスを指定すると、トロリ線Ｔ1 な
どの高さデータが読出される。なお、例えば、図２(c)
のように、仮に、同時に高さの異なる複数のトロリ線が
検出された場合、最も低いもの、すなわち素子ｅ3 に対
応する高さが検出され、高さデータとして読出される。
この高さデータに対する位置情報として、別途設けられ
た電柱検出部１０よりの電柱検出信号ｋが、信号処理回
路91により付加されて出力部93に出力される。れる。FIG. 3 shows the configuration of the data processing unit 9, which comprises a signal processing circuit 91, a ROM 92, and an output unit 93, and CC
The address of the ROM 92 is made to correspond to the position of each element e of D83, and the height data of the trolley wire 1 is recorded in advance at each address. The output signal s output from the element e on which the reflected light L R is imaged and the scanning timing signal t are input to the data processing unit 9 by the self-scanning of the CCD 83, and the signal processing circuit
The address for the device is detected by 91, and the ROM
When this address is designated with respect to 92, the height data of the trolley wire T 1, etc. is read. Note that, for example, FIG. 2 (c)
As described above, if a plurality of trolley wires having different heights are detected at the same time, the lowest one, that is, the height corresponding to the element e 3 is detected and read as height data.
As position information for the height data, a utility pole detection signal k from a separately provided utility pole detection unit 10 is added by the signal processing circuit 91 and output to the output unit 93. Be done.
【００１１】上記の高さ測定装置を、図６に示した列車
の前部と後部の各車両３a,３b にそれぞれ配設し、走行
中にトロリ線１の高さＺa とＺb を測定し、これらを比
較することにより、パンタグラフ４の押圧力によるトロ
リ線１の動揺を明確に把握することができる。なお、こ
の高さ測定装置は検測車５に適用して、前記した従来の
高さ検出器５の代りに使用することが勿論可能である。The above-mentioned height measuring device is installed in each of the front and rear vehicles 3a and 3b of the train shown in FIG. 6 to measure the heights Z a and Z b of the trolley wire 1 during traveling. Then, by comparing these, it is possible to clearly grasp the fluctuation of the trolley wire 1 due to the pressing force of the pantograph 4. Of course, this height measuring device can be applied to the inspection vehicle 5 and used in place of the above-described conventional height detector 5.
【００１２】[0012]
【発明の効果】以上の説明のとおり、この発明によるト
ロリ線の高さ測定装置においては、投光系よりレーザ光
束を投射し、受光系により左右偏位と高さ変動範囲内の
トロリ線の反射光を受光し、天空の自然光を干渉フィル
タにより除去して、ＣＣＤセンサの複数個の素子のいず
れかに結像し、左右偏位の影響が排除されて高さデータ
が出力されるもので、昼間測定が可能で、かつ従来の光
学式装置に比較して構成や演算処理などが簡易であり、
従来の機械式の高さ検出器に代って使用することがで
き、また、この装置の２組を列車に配設することによ
り、パンタグラフの押圧力によるトロリ線の動揺が明確
に把握され、速度向上に対する動揺データがえられるな
ど、その効果には大きいものがある。As described above, in the trolley wire height measuring apparatus according to the present invention, the laser beam is projected from the light projecting system, and the trolley wire within the height variation range is deflected by the light receiving system. It receives reflected light, removes natural light in the sky with an interference filter, and forms an image on one of the multiple elements of the CCD sensor, eliminating the effect of lateral displacement and outputting height data. , Daytime measurement is possible, and the configuration and arithmetic processing are simple compared to the conventional optical device,
It can be used in place of the conventional mechanical height detector, and by installing two sets of this device in the train, the sway of the trolley wire due to the pressing force of the pantograph can be clearly understood, The effect is very large, such as obtaining shaking data for speed improvement.
【図１】 この発明の一実施例における投光系７と受光
系８の配置図を示す。FIG. 1 is a layout view of a light projecting system 7 and a light receiving system 8 according to an embodiment of the present invention.
【図２】 (a) はＸＺ面におけるレーザ光束ＬT と、高
さが変動する１条のトロリ線１の反射光ＬR の説明図、
(b),(c) は受光系８の構成と、ＸＺ，ＹＺ面における反
射光ＬR の結像位置の説明図を示す。FIG. 2A is an explanatory diagram of a laser light flux L T on the XZ plane and a reflected light L R of a single trolley wire 1 whose height varies.
(b) and (c) show the structure of the light receiving system 8 and an explanatory view of the image forming position of the reflected light L R on the XZ and YZ planes.
【図３】 データ処理部９の構成図を示す。FIG. 3 shows a configuration diagram of a data processing unit 9.
【図４】 (a) は架空トロリ線１の構成図、(b) は左右
偏位Ｄの説明図をそれぞれ示す。FIG. 4A is a configuration diagram of the overhead trolley wire 1, and FIG. 4B is an explanatory diagram of a lateral displacement D.
【図５】 従来の機械式の高さ検出器６の構成図を示
す。FIG. 5 shows a block diagram of a conventional mechanical height detector 6.
【図６】 トロリ線１の動揺を把握するための測定モデ
ルを示す。FIG. 6 shows a measurement model for grasping sway of the trolley wire 1.
１…トロリ線、２a …電柱、２b …吊架線、３…車両、
３a …前部車両、３b …後部車両、４…パンタグラフ、
４′…測定用パンタグラフ、４a …摺板、４b …アー
ム、５…電気検測車、６…高さ検出器、６a …回動アー
ム、６b …摺動抵抗器、７…投光系、７a …半導体レー
ザ素子、７b …シリンドリカルレンズ、８…受光系、81
…干渉フィルタ、82…結像レンズ、83…ＣＣＤリニアセ
ンサ、９…データ処理部、91…信号処理回路、92…ＲＯ
Ｍ、93…出力部、１０…電柱検出部、Ｃ…トロリ線の左
右偏位または車両の左右中心線、Ｄ…左右偏位または偏
位範囲、ｅ，ｅ1,ｅ2,ｅ3 …ＣＣＤセンサの素子、Ｄ′
…素子ｅの幅、ＨV …高さ変動範囲、ＨC …ＨV の中心
線、ＨV ′…ＣＣＤセンサの長さ、ＬT …光束またはレ
ーザ光束、ＬR …トロリ線の反射光、θT …投射角度、
θR …受光角度、Ｔ1,Ｔ2,Ｔ3 …高さが変動したトロ
リ線、ｓ…素子の出力信号、ｔ…走査タイミング信号、
ｋ…走行距離信号。1 ... trolley wire, 2a ... electric pole, 2b ... suspended wire, 3 ... vehicle,
3a ... front vehicle, 3b ... rear vehicle, 4 ... pantograph,
4 '... Pantograph for measurement, 4a ... Sliding plate, 4b ... Arm, 5 ... Electric inspection vehicle, 6 ... Height detector, 6a ... Rotating arm, 6b ... Sliding resistor, 7 ... Projector system, 7a … Semiconductor laser device, 7b… Cylindrical lens, 8… Light receiving system, 81
... interference filter, 82 ... imaging lens, 83 ... CCD linear sensor, 9 ... data processing unit, 91 ... signal processing circuit, 92 ... RO
M, 93 ... Output unit, 10 ... Utility pole detection unit, C ... Left / right deviation of trolley wire or left / right center line of vehicle, D ... Left / right deviation or deviation range, e, e 1 , e 2 , e 3 ... CCD Sensor element, D '
Width of element e, H V ... height variation range, H C ... H V center line, H V ??? CCD sensor length, L T ... luminous flux or laser luminous flux, L R ... reflected light of trolley line, θ T ... projection angle,
theta R ... receiving angle, T 1, T 2, T 3 ... contact wire height varies, s ... output signal of the element, t ... scanning timing signal,
k: mileage signal.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 宗雄 東京都千代田区大手町二丁目６番２号 日 立電子エンジニアリング株式会社内 (72)発明者 竹中 泰雄 東京都千代田区大手町二丁目６番２号 日 立電子エンジニアリング株式会社内 (72)発明者 大浦 泰 東京都千代田区丸の内一丁目６番５号 東 日本旅客鉄道株式会社内 (72)発明者 円谷 哲男 東京都千代田区丸の内一丁目６番５号 東 日本旅客鉄道株式会社内 (72)発明者 池田 国夫 東京都千代田区丸の内一丁目６番５号 東 日本旅客鉄道株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Muneo Sato 2-6-2 Otemachi, Chiyoda-ku, Tokyo Inside Ritsu Denshi Engineering Co., Ltd. (72) Inventor Yasuo Takenaka 2--6, Otemachi, Chiyoda-ku, Tokyo No. 2 Nitto Electronics Engineering Co., Ltd. (72) Inventor Yasushi Oura 1-6-5 Marunouchi, Chiyoda-ku, Tokyo Within East Japan Railway Company (72) Inventor Tetsuo Tsuburaya 1-6 Marunouchi, Chiyoda-ku, Tokyo # 5 East Japan Railway Company (72) Inventor Kunio Ikeda 1-6-5 Marunouchi, Chiyoda-ku, Tokyo East Japan Railway Company
Claims (1)
間隔で互いに対向して配置された投光系および受光系
と、該車両に搭載されたデータ処理部とを具備し、該投
光系により、トロリー線の左右偏位に対応する幅を有す
るレーザ光束を、適当な斜め上向きの投射角度で投射
し、該受光系は、受光光軸がトロリー線の高さ変動範囲
の中心に対して該投射角度に等しい受光角度に設定さ
れ、干渉フィルタと結像レンズ、および該受光光軸に直
角に設けられ、前記左右偏位に対応した幅を有する複数
の素子が、前記高さ変動範囲に対応して配列されたＣＣ
Ｄリニアセンサとにより構成され、前記左右偏位および
高さ変動範囲内のトロリー線による前記レーザ光束の反
射光を受光し、該反射光に含まれる天空の自然光を前記
干渉フィルタにより除去し、前記結像レンズにより前記
ＣＣＤリニアセンサの素子のいずれかに結像し、該結像
した素子の出力信号を前記データ処理部に入力して該素
子のアドレスを検出し、該検出されたアドレスに対応す
る前記トロリー線の高さデータを出力することを特徴と
する、トロリー線の高さ測定装置。1. A light projecting system and a light receiving system, which are arranged on the left and right centerlines of a roof of a vehicle so as to face each other at appropriate intervals, and a data processing unit mounted on the vehicle. The optical system projects a laser beam having a width corresponding to the lateral displacement of the trolley wire at an appropriate oblique upward projection angle, and the light receiving system has a light receiving optical axis at the center of the height variation range of the trolley wire. On the other hand, a plurality of elements that are set to a light receiving angle equal to the projection angle, are provided at right angles to the interference filter and the imaging lens, and the light receiving optical axis, and have a width corresponding to the left-right deviation, CCs arranged according to range
D linear sensor, receives the reflected light of the laser light flux by the trolley line in the lateral deviation and height variation range, removes the natural light of the sky contained in the reflected light by the interference filter, An image is formed on one of the elements of the CCD linear sensor by an image forming lens, an output signal of the imaged element is input to the data processing unit, the address of the element is detected, and the detected address is corresponded to. The height data of the trolley wire for outputting the height data of the trolley wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06938793A JP3339719B2 (en) | 1993-03-04 | 1993-03-04 | Trolley wire height measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06938793A JP3339719B2 (en) | 1993-03-04 | 1993-03-04 | Trolley wire height measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06258030A true JPH06258030A (en) | 1994-09-16 |
| JP3339719B2 JP3339719B2 (en) | 2002-10-28 |
Family
ID=13401137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06938793A Expired - Fee Related JP3339719B2 (en) | 1993-03-04 | 1993-03-04 | Trolley wire height measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3339719B2 (en) |
Cited By (8)
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|---|---|---|---|---|
| US6778284B2 (en) * | 2000-07-18 | 2004-08-17 | Tecnogamma, S.P.A. | Apparatus for measuring the characteristic parameters of an overhead railway or traming line |
| JP2011180116A (en) * | 2010-02-08 | 2011-09-15 | Hitachi High-Technologies Corp | Light projector for trolley wire measuring, and trolley wire measuring device |
| JP2013053975A (en) * | 2011-09-06 | 2013-03-21 | East Japan Railway Co | Distance measuring apparatus and track peripheral obstacle detecting device |
| CN104075662A (en) * | 2014-04-03 | 2014-10-01 | 国网湖北省电力公司咸宁供电公司 | Supporting type overhead tube bus displacement monitoring device |
| CN104075661A (en) * | 2014-04-03 | 2014-10-01 | 国网湖北省电力公司咸宁供电公司 | Method for monitoring overhead tube bus displacement |
| JP2015068675A (en) * | 2013-09-27 | 2015-04-13 | 株式会社日立ハイテクファインシステムズ | Trolley wire measurement apparatus and trolley wire measurement method |
| DE102015216421A1 (en) * | 2015-08-27 | 2017-03-02 | Siemens Aktiengesellschaft | Device for detecting a contact wire |
| CN109632252A (en) * | 2018-12-27 | 2019-04-16 | 中国航天空气动力技术研究院 | The vibration angle displacement measuring device and method of outer formula forced vibration dynamic derivative test |
-
1993
- 1993-03-04 JP JP06938793A patent/JP3339719B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6778284B2 (en) * | 2000-07-18 | 2004-08-17 | Tecnogamma, S.P.A. | Apparatus for measuring the characteristic parameters of an overhead railway or traming line |
| JP2011180116A (en) * | 2010-02-08 | 2011-09-15 | Hitachi High-Technologies Corp | Light projector for trolley wire measuring, and trolley wire measuring device |
| JP2013053975A (en) * | 2011-09-06 | 2013-03-21 | East Japan Railway Co | Distance measuring apparatus and track peripheral obstacle detecting device |
| JP2015068675A (en) * | 2013-09-27 | 2015-04-13 | 株式会社日立ハイテクファインシステムズ | Trolley wire measurement apparatus and trolley wire measurement method |
| CN105393080A (en) * | 2013-09-27 | 2016-03-09 | 株式会社日立高新技术高精细系统 | Trolley wire measurement device and trolley wire measurement method |
| CN105393080B (en) * | 2013-09-27 | 2018-10-19 | 株式会社日立高新技术高精细系统 | Overhead line measurement device and overhead line assay method |
| CN104075662A (en) * | 2014-04-03 | 2014-10-01 | 国网湖北省电力公司咸宁供电公司 | Supporting type overhead tube bus displacement monitoring device |
| CN104075661A (en) * | 2014-04-03 | 2014-10-01 | 国网湖北省电力公司咸宁供电公司 | Method for monitoring overhead tube bus displacement |
| CN104075662B (en) * | 2014-04-03 | 2017-01-25 | 国家电网公司 | Supporting type overhead tube bus displacement monitoring device |
| DE102015216421A1 (en) * | 2015-08-27 | 2017-03-02 | Siemens Aktiengesellschaft | Device for detecting a contact wire |
| CN109632252A (en) * | 2018-12-27 | 2019-04-16 | 中国航天空气动力技术研究院 | The vibration angle displacement measuring device and method of outer formula forced vibration dynamic derivative test |
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|---|---|
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