JP2000222686A - Failure detecting device for multiple light type color signal using led for light emission source - Google Patents
Failure detecting device for multiple light type color signal using led for light emission sourceInfo
- Publication number
- JP2000222686A JP2000222686A JP11021611A JP2161199A JP2000222686A JP 2000222686 A JP2000222686 A JP 2000222686A JP 11021611 A JP11021611 A JP 11021611A JP 2161199 A JP2161199 A JP 2161199A JP 2000222686 A JP2000222686 A JP 2000222686A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- failure
- disconnection
- traffic light
- led
- 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.)
- Pending
Links
- 238000012806 monitoring device Methods 0.000 claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 61
- 230000006870 function Effects 0.000 claims description 36
- 230000005856 abnormality Effects 0.000 claims description 35
- 238000012544 monitoring process Methods 0.000 claims description 27
- 238000005259 measurement Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/1809—Daylight signals
- B61L5/1881—Wiring diagrams for power supply, control or testing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L2207/00—Features of light signals
- B61L2207/02—Features of light signals using light-emitting diodes [LEDs]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、信号の発光源にＬ
ＥＤを用いた色灯信号機、特に多灯形色灯信号機におけ
るＬＥＤの断線、短絡に基因した信号現示の故障を検知
するＬＥＤを発光源に用いた多灯形色灯信号機の故障検
知装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a failure detection device for a multi-light type color light traffic signal using an LED as a light-emitting source for detecting a failure of signal indication caused by disconnection or short circuit of an LED in a multi-light color light traffic signal using an ED. .
【０００２】[0002]
【従来の技術】多灯形色灯信号機は、３種類の灯色
（緑、黄、赤）を単独に又は併用して信号現示を行う信
号機であり、三位式色灯信号機には３現示、４現示、５
現示のものがあり、何れも単一の灯器を組合わせを垂直
にならべて設置される。2. Description of the Related Art A multi-lamp type color light signal signal is a signal signal for displaying a signal by using three types of light colors (green, yellow, red) alone or in combination. Present 4 Present 5
There are existing ones, each of which is installed by combining a single lamp vertically.
【０００３】従来、信号機の発光源には、信号電球が使
用されてきたが、高輝度のＬＥＤが開発されるようにな
って、鉄道信号の発光源にもＬＥＤが用いられるように
なってきた。ＬＥＤは、電球のフィラメントのように断
芯することはないが、長時間使用すると、次第に光度が
低下するという問題があり、光度が半減するまでの時間
を寿命と定められており、屋外で連続使用する場合には
温度、湿度の繰返し変化を受けるほか種々の環境の影響
を受けることもあって、寿命は一般に１万〜３万時間と
考えられているが、劣化その他不測の事態によって断線
（オープン）事故、短絡故障が発生する。Conventionally, a signal light bulb has been used as a light source of a traffic light. However, as high-brightness LEDs have been developed, LEDs have also been used as a light source of railway signals. . LEDs do not break like filaments in light bulbs, but have the problem that their luminous intensity gradually decreases with long-term use. When used, the life is generally considered to be 10,000 to 30,000 hours due to the repeated changes in temperature and humidity and the influence of various environments. Open) Accidents and short-circuit faults occur.
【０００４】信号の発光源にＬＥＤを用いた色灯信号機
には、上記のような不測の事態に備え、それぞれの信号
灯に専用の電流センサ（ＣＴセンサ）を接続し、各灯の
消費電流値をセンサで監視し、各信号灯ごとに検知する
電流値の何れかが設定基準値以下のときには、その信号
灯のＬＥＤが故障であると判断し、警報を出力するとい
う対策が講じられている。In order to prepare for the above-mentioned contingency, a dedicated current sensor (CT sensor) is connected to each of the signal lights, and the current consumption value of each light is used in a color light signal apparatus using an LED as a signal light source. Is monitored by a sensor, and if any of the current values detected for each of the signal lights is equal to or less than a set reference value, it is determined that the LED of the signal light is out of order and an alarm is output.
【０００５】上記の方法によるときには、各灯器毎に電
流センサを接続するため、灯器と同数の電流センサが必
要になる。例えば、５現示の多灯形色灯信号機には、当
然５個の電流センサが必要である。In the above method, a current sensor is connected to each lamp, so that the same number of current sensors as the lamps are required. For example, a multi-lamp type color light traffic signal as shown in FIG. 5 naturally requires five current sensors.
【０００６】[0006]
【発明が解決しようとする課題】したがって、上記方法
では、信号機内の信号灯の数（信号現示数と同じ）と同
じ数量の電流センサが必要であり、スペース的にも好ま
しくないという理由から、信号機内の信号灯の数より少
ない電流センサを用いてＬＥＤの断線故障の検知のみな
らず、短絡、現示異常などの故障をも検知することがで
きるＬＥＤ式信号機の故障検知装置が提案された（実用
新案登録第３０５１８３０号公報参照）。Therefore, the above method requires the same number of current sensors as the number of signal lights in the traffic signal (same as the number of signal indications), and is not preferable in terms of space. A failure detection device for an LED type traffic light has been proposed that can detect not only a disconnection failure of an LED but also a failure such as a short circuit or an abnormal display by using a current sensor having less than the number of signal lights in the traffic light ( Japanese Utility Model Registration No. 3051830).
【０００７】この装置は、要するに、信号灯のの数より
少ない任意の複数配設された電流センサと、これら電流
センサの中をそれぞれ任意の複数ずつ貫通して信号灯と
信号現示用リレー接点回路をそれぞれ接続する電流測定
用の貫通線と、電流センサに接続された故障検知部とを
具え、故障検知部は、現示に応じて任意に電流値を設定
可能なメモリ部を有し、このメモリ部の設定電流値と、
各電流センサで測定される電流値とを比較して全断状態
の現示異常、断線なしの現示正常、短絡状態の現示異常
の判断並びにその表示を行うというものである。[0007] In short, this device comprises an arbitrary plurality of current sensors less than the number of signal lights, and a signal light and a signal presenting relay contact circuit penetrating through any one of the current sensors. It comprises a current measuring penetrating wire to be connected to each, and a failure detection unit connected to the current sensor, and the failure detection unit has a memory unit that can arbitrarily set a current value according to the current indication. Current value of
The current values measured by the current sensors are compared with each other to judge the indication abnormality in the completely disconnected state, the indication normal in the absence of disconnection, and the indication abnormality in the short-circuit state, and display them.
【０００８】ところが、上記装置は、メモリ部に予め設
定された固定電流値と、各電流センサで測定される電流
値とを比較して故障判定を行うという構想の下に開発さ
れた装置であるが、ＬＥＤの故障判定に、各電流センサ
で測定される電流値を単純に固定電流値と比較し、その
変化を監視するのみでは、以下のような事情が原因にな
って、その正否を判定することは難しい。すなわち、 （１）発光源が半導体素子の集合体であり、いくつかの
ＬＥＤが断線したのみでは、電球のフィラメントの溶断
による断芯のような電流落差が生じない。 （２）ＬＥＤ式信号機では、基本消費電流値が、電球式
に比べて数分の一程度であるため、高精度の測定が必要
とされる、 （３）ＬＥＤ式では、電源と、信号機の配線（ケーブ
ル）の長さの違いによって故障電流値が変化する。部分
断線が発生すると、電流が減少し、その結果、端子電圧
が上昇し、電流値を増大するため、結果として、電流値
の変化が小さい。 （４）信号機設置現場の電源の品質が必ずしも良くない
ため、故障電流値を正確に固定できないことがある、 （５）信号機設置現場の環境によっては、電源電圧を落
として使用されることが多く、このため故障電流値が設
定値からずれることがある、といった事情である。However, the above device is a device developed under the concept of comparing a fixed current value preset in a memory unit with a current value measured by each current sensor to determine a failure. However, simply comparing the current value measured by each current sensor with a fixed current value and monitoring the change in the LED failure determination simply determines whether the LED is correct due to the following circumstances. Difficult to do. That is, (1) the light emitting source is an aggregate of semiconductor elements, and only the disconnection of some LEDs does not cause a current drop such as a core break due to the fusing of the filament of the bulb. (2) In the LED type traffic light, the basic current consumption value is about several times smaller than that of the light bulb type, so that high-precision measurement is required. (3) In the LED type traffic light, a power supply and a signal The fault current value changes depending on the length of the wiring (cable). When the partial disconnection occurs, the current decreases, and as a result, the terminal voltage increases and the current value increases. As a result, the change in the current value is small. (4) Since the quality of the power supply at the signal installation site is not always good, the fault current value may not be able to be fixed accurately. (5) Depending on the environment at the signal installation site, the power supply voltage is often reduced and used. Therefore, the fault current value may deviate from the set value.
【０００９】このような事情が原因となって、各センサ
ーの電流値を監視するだけでは、実用上、ＬＥＤの断線
故障、短絡、現示異常などの故障を検知することは難し
い。Due to such circumstances, it is practically difficult to detect a failure such as a disconnection failure, a short circuit, or an abnormal display of the LED only by monitoring the current value of each sensor.
【００１０】本発明の目的は、半導体素子の特性や、信
号機の設置環境に左右されずにＬＥＤの故障限界値を正
確に割り出して、断線故障、短絡、現示異常などの故障
を検知する装置を提供することにある。It is an object of the present invention to accurately determine a failure limit value of an LED without being influenced by characteristics of a semiconductor element or an installation environment of a traffic light, and to detect a failure such as a disconnection failure, a short circuit, or an abnormal display. Is to provide.
【００１１】[0011]
【課題を解決するための手段】上記目的を達成するた
め、本発明によるＬＥＤを発光源に用いた多灯形色灯信
号機の故障検知装置においては、複数の灯器と、電流セ
ンサと、電圧監視装置と、故障検知部とを有するＬＥＤ
式多灯形色灯信号機における信号灯のＬＥＤ故障検知装
置であって、複数の灯器は、複数個のＬＥＤを信号の発
源とする三位式の信号機の信号灯であり、各電流センサ
に貫通させた貫通線をもって信号現示切替え制御器に接
続され、電流センサは、信号灯の消費電流を検知するも
のであり、電圧監視装置は、信号機への送出端電圧を検
知するものであり、故障検知部は、電流センサと電圧監
視装置とに接続され、信号機の消費電流と送出端電圧と
を同期監視し、得られた同期監視情報から信号機側到達
電圧を計算して信号機稼動時の故障限界値を割り出し、
信号機稼動時の測定値を信号機稼動時の故障限界値と比
較して灯器の故障の判定を行うものであるIn order to achieve the above object, a failure detecting device for a multi-lamp type color light signal using an LED as a light emitting source according to the present invention comprises a plurality of lamps, a current sensor, and a voltage sensor. LED having monitoring device and failure detection unit
An LED failure detection device for a signal light in a multi-light type color light traffic light, wherein the plurality of lamps are signal lights of a three-position type traffic light having a plurality of LEDs as a signal source, and penetrate each current sensor. The current sensor detects the current consumption of the signal lamp, the voltage monitoring device detects the voltage at the sending end to the traffic signal, and detects the failure. The part is connected to the current sensor and the voltage monitoring device, synchronously monitors the current consumption of the traffic light and the sending end voltage, calculates the signal reaching voltage from the obtained synchronization monitoring information, and sets a failure limit value when the traffic light is operated. To determine
The measured value at the time of operation of the traffic light is compared with the failure limit value at the time of operation of the traffic light to judge lamp failure.
【００１２】また、故障検知部はメモリ部と処理部とを
有し、メモリ部は、初期設定により設定された設定情報
を記憶し、その設定情報を処理部に出力するものであ
り、処理部は、時間処理部と、断線検知部と、短絡検知
部と、現示判断部とを有し、メモリ部から入力された設
定情報をもとに、信号機稼動時の断線故障限界値と、稼
動部時の短絡故障限界値とを割り出してそれぞれの故障
限界値を断線検知部と短絡検知部とに出力するものであ
り、時間処理部は、電流センサ入力と、電圧監視装置か
らの入力との時間同期処理を行うものであり、断線検知
部は、信号機稼動時の測定値と信号機稼動時の故障限界
値との比較結果からＬＥＤの断線判定を行うものであ
り、短絡検知部は、信号機稼動時の測定値と信号機稼動
時の故障限界値との比較結果からＬＥＤの短絡判定を行
うものであり、現示判断部は、時間処理部を経由して得
られた測定値情報から現示の特定を行うとともに、断線
検知部と、短絡検知部との判定結果を出力するものであ
る。The failure detecting section has a memory section and a processing section. The memory section stores the setting information set by the initial setting and outputs the setting information to the processing section. Has a time processing unit, a disconnection detection unit, a short-circuit detection unit, and an indication determination unit. Based on the setting information input from the memory unit, a disconnection failure limit value when the traffic light is activated, The time processing unit determines the short-circuit fault limit value at the time of the output and outputs the respective fault limit values to the disconnection detection unit and the short-circuit detection unit. The time-synchronization processing is performed. The disconnection detection unit performs the disconnection determination of the LED based on the comparison result between the measured value at the time of the traffic light operation and the failure limit value at the time of the traffic light operation. Ratio between the measured value at the time of operation and the fault limit value during the operation of the traffic light The short-circuit determination of the LED is performed based on the result. The present determination unit specifies the present from the measurement value information obtained via the time processing unit, and determines whether the disconnection detection unit and the short-circuit detection unit It outputs the judgment result.
【００１３】また、断線検知部は、全断異常判定機能
と、半断異常判定機能と、正常判定機能とを有し、全断
異常判定機能は、メモリ部に記憶されている設定情報を
もとに計算した信号機稼動状態における全断故障限界値
と、同期監視情報から演算された信号機稼動状態におけ
る測定値とを比較し、信号機稼動状態における全断故障
限界値よりも信号機稼動状態における測定値が低下して
いるときは全ての信号灯のＬＥＤが断線故障している全
断状態であると判断する機能であり、半断異常判定機能
は、メモリ部に記憶されている設定情報をもとに計算し
た信号機稼動状態における半断故障限界値と、同期監視
情報から演算された信号機稼動状態における測定値とを
比較し、信号機稼動状態における半断故障限界値よりも
信号機稼動状態における測定値が低下しているときは信
号灯の一部のＬＥＤが断線故障している半断状態である
と判断する機能であり、正常判定機能は、同期監視情報
から演算された信号機稼動状態における測定値が、信号
機稼動状態における半断故障限界値と、信号機稼動状態
における短絡故障限界値との範囲内のときにはいずれの
信号灯のＬＥＤも断線又は短絡故障していない状態であ
ると判断する機能であり、短絡検知部は、短絡異常判定
機能を有し、短絡異常判定機能は、メモリ部に記憶され
ている設定情報をもとに計算した信号機稼動状態におけ
る短絡故障限界値と、同期監視情報から演算された信号
機稼動状態における測定値とを比較し、信号機稼動状態
における短絡故障限界値よりも信号機稼動状態における
測定値が上回っているときには多数の信号灯のＬＥＤが
短絡している短絡状態であると判断する機能である。The disconnection detecting section has a full disconnection abnormality determination function, a partial disconnection abnormality determination function, and a normality determination function, and the full disconnection abnormality determination function also uses setting information stored in the memory section. Compare the total disconnection fault limit value in the traffic light operation state calculated with the measured value in the traffic light operation state calculated from the synchronization monitoring information, and the measured value in the traffic light operation state is more than the total disconnection failure limit value in the traffic light operation state Is a function to determine that the LED of all signal lights is in a completely disconnected state in which a disconnection failure has occurred, and the semi-disconnection abnormality determination function is based on the setting information stored in the memory unit. Compare the calculated half-failure fault limit value in the traffic light operating state with the measured value in the traffic light operation state calculated from the synchronization monitoring information. When the measured value is low, it is a function to determine that some of the LEDs of the signal light are in a partially broken state in which a disconnection failure has occurred.The normality determination function is a function in the signal operation state calculated from the synchronization monitoring information. When the measured value is within the range between the half-break fault limit value in the traffic light operating state and the short-circuit fault limit value in the traffic light operating state, the function of determining that the LED of any of the signal lamps is in a state in which there is no disconnection or short-circuit fault. Yes, the short-circuit detection unit has a short-circuit abnormality determination function, and the short-circuit abnormality determination function is based on the short-circuit failure limit value in the signal operating state calculated based on the setting information stored in the memory unit and the synchronization monitoring information. Comparing the calculated values in the traffic light operating state, if the measured value in the traffic light operating state exceeds the short-circuit fault limit value in the traffic light operating state, LED of issue lamp is function of determining that the short-circuit state of being short-circuited.
【００１４】また、複数の灯器と、電流センサと、電圧
監視装置と、故障検知部とを有するＬＥＤ式多灯形色灯
信号機における信号灯のＬＥＤ故障検知装置であって、
複数の灯器は、複数個のＬＥＤを信号の発光源とする三
位式信号機の信号灯であり、各電流センサに２本又は３
本ずつ貫通させた貫通線をもって灯器切替え制御器に接
続され、各灯器の点灯、消灯の判断は、予め定められた
一つまたは二つの電流センサへの通電電流の有無によっ
て行われるものであり、電流センサは、信号灯の消費電
流を検知するものであり、灯器の数よりも少なく、電圧
監視装置は、信号機への送出端電圧を検知するものであ
り、故障検知部は、電流センサと電圧監視装置とに接続
され、信号機の消費電流と送出端電圧とを同期監視し、
その同期監視情報から信号機側到達電圧を計算して信号
機稼動時の故障限界値を割り出し、信号機稼動時の測定
値を信号機稼動時の故障限界値と比較して灯器の故障の
判定を行うものである。[0014] Further, there is provided an LED failure detection device for a signal lamp in an LED type multi-lamp type color light traffic light having a plurality of lamps, a current sensor, a voltage monitoring device, and a failure detection unit,
The plurality of lamps are signal lights of a three-position type signal device using a plurality of LEDs as a light emission source of a signal, and two or three lights are provided for each current sensor.
Each of the lamps is connected to the lamp switching controller with a penetrating line penetrating the lamps, and the judgment of turning on and off of each lamp is performed based on the presence or absence of a current supplied to one or two predetermined current sensors. Yes, the current sensor detects the current consumption of the signal light, is less than the number of lamps, the voltage monitoring device detects the sending end voltage to the signal, and the failure detection unit is the current sensor And a voltage monitoring device, and synchronously monitors the current consumption of the traffic light and the sending end voltage,
Calculates the signal reaching voltage from the synchronization monitoring information to determine the failure limit value at the time of signal operation, and compares the measured value at the time of signal operation with the failure limit value at the time of signal operation to determine lamp failure. It is.
【００１５】[0015]
【発明の実施の形態】以下に本発明の実施の形態を図に
よって説明する。図１は、発光源にＬＥＤを用いた５現
示のＬＥＤ式多灯形色灯信号機におけるＬＥＤ断線故障
を検知する装置回路の構成を示す図である。５灯の信号
灯である５灯の灯器は、複数個のＬＥＤを信号の発光源
とする三位式の信号機の信号灯であり、例えばＧ（緑）
灯、Ｙ（黄）灯、Ｒ（赤）灯、ＹＹ(黄、黄)灯、ＹＧ
(黄、黄)灯の組み合わせであって、以下これを順にＬ
１、Ｌ２、Ｌ３、Ｌ４、Ｌ５として区別する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a configuration of a device circuit for detecting an LED disconnection failure in an LED type multi-lamp type color light traffic signal device using five LEDs as a light source. The five lamps, which are five signal lamps, are signal lamps of a three-position type traffic light using a plurality of LEDs as a light emitting source of a signal, for example, G (green).
Light, Y (yellow) light, R (red) light, YY (yellow, yellow) light, YG
(Yellow, yellow) combination of lights,
1, L2, L3, L4, and L5.
【００１６】各灯器Ｌ１、Ｌ２、Ｌ３、Ｌ４、Ｌ５は、
図２に示すようにそれぞれの発色の複数のＬＥＤを直並
列に接続したものである。図１において、故障検知装置
は、電流センサ１ａ，１ｂ，１ｃと、電圧監視装置２
と、故障検知部３とを有している。信号灯の灯器Ｌ１、
Ｌ２、Ｌ３、Ｌ４、Ｌ５は、信号ケーブル４を通じて信
号機器室内の電流測定用貫通線５に接続されている。電
流測定用貫通線５は、各電流センサ１ａ，１ｂ，１ｃに
２本又は３本ずつ貫通して各灯器Ｌ１、Ｌ２、Ｌ３、Ｌ
４、Ｌ５と信号現示切替え制御器６にそれぞれ接続する
ものである。信号現示切替え制御器６は、各灯器Ｌ１、
Ｌ２、Ｌ３、Ｌ４、Ｌ５の点灯、消灯に必要な接点条件
を形成するものである。Each of the lamps L1, L2, L3, L4, L5
As shown in FIG. 2, a plurality of LEDs of each color are connected in series and parallel. In FIG. 1, a failure detection device includes current sensors 1a, 1b, 1c and a voltage monitoring device 2
And a failure detection unit 3. Light L1 of signal light,
L 2, L 3, L 4, and L 5 are connected to the current measuring through wire 5 in the signal device room through the signal cable 4. Each of the lamps L1, L2, L3, L passes through two or three current measurement through wires 5 through each of the current sensors 1a, 1b, 1c.
4, L5 and the signal presentation switching controller 6 respectively. The signal indication switching controller 6 is configured to control each of the lamps L1,
The contact conditions necessary for turning on and off L2, L3, L4, and L5 are formed.
【００１７】電流センサ１ａ，１ｂ，１ｃは、信号機の
消費電流を検知するものであり、この実施形態において
は、５個の信号灯に対して３個の電流センサを用いてい
る。図３において、この実施形態においては、電流セン
サ１ｂには灯器Ｌ２、Ｌ３、Ｌ４にそれぞれつながる３
本の電流測定用貫通線５ｂ，５ｃ，５ｄが挿通され、電
流センサ１ａには、灯器Ｌ１と、電流センサ１ｂから引
き出された灯器Ｌ２とにつながる電流測定用貫通線５
ａ、５ｂが挿通され、さらに、電流センサ１ｃには、灯
器Ｌ５と、電流センサ１ｂから引き出された灯器Ｌ４と
につながる電流測定用貫通線５ｄ，５ｅが挿通されてい
ずれも信号現示切替え制御器６に接続されている。The current sensors 1a, 1b, and 1c detect the current consumption of the traffic light. In this embodiment, three current sensors are used for five signal lights. In FIG. 3, in this embodiment, the current sensor 1b is connected to lamps L2, L3, and L4, respectively.
The current measuring through wires 5b, 5c and 5d are inserted, and the current sensor 1a is connected to the lamp L1 and the lamp L2 drawn from the current sensor 1b.
a, 5b are inserted, and the current sensor 1c is further inserted with current measuring through wires 5d, 5e connected to the lamp L5 and the lamp L4 drawn out of the current sensor 1b, so that both signals are displayed. It is connected to the switching controller 6.
【００１８】図３において、灯器Ｌ１が点灯していると
きには、電流センサ１ａが「オン」、灯器Ｌ２が点灯し
ているときには、電流センサ１ａと、電流センサ１ｂと
が「オン」、灯器Ｌ３が点灯しているときには、電流セ
ンサ１ｂが「オン」、灯器Ｌ３が点灯しているときに
は、電流センサ１ｂが「オン」、灯器Ｌ４が点灯してい
るときには、電流センサＣＴ１が「オン」、灯器Ｌ４が
点灯しているときには、電流センサ１ｂと、電流センサ
１ｃとが「オン」、灯器Ｌ３が点灯しているときには、
電流センサ１ｂが「オン」となり、各電流センサに得ら
れた検出出力は、故障検知部３に入力される。以上の結
果をまとめると表１の通りである。In FIG. 3, when the lamp L1 is lit, the current sensor 1a is "ON". When the lamp L2 is lit, the current sensor 1a and the current sensor 1b are "ON". When the lamp L3 is turned on, the current sensor 1b is turned on. When the lamp L3 is turned on, the current sensor 1b is turned on. When the lamp L4 is turned on, the current sensor CT1 is turned on. “ON”, when the lamp L4 is lit, the current sensor 1b and the current sensor 1c are “ON”, and when the lamp L3 is lit,
The current sensor 1b is turned “on”, and the detection output obtained from each current sensor is input to the failure detection unit 3. Table 1 summarizes the above results.
【００１９】[0019]
【表１】 [Table 1]
【００２０】電圧監視装置２は、信号機への送出端電圧
を検知するものであり、信号現示切替え制御器６ととも
に信号ケーブルの信号灯トランス７の出力側配線に並列
に接続され、その検出出力は、いずれも故障検知部３に
入力される。故障検知部３はＣＰＵであり、図４に示す
ようにメモリ部８と処理部９とを有し、その入力部３ａ
には、各電流センサ１ａ，１ｂ，１ｃと電圧監視装置２
とのアナログ信号が入力され、入力部３ａにて変換され
たデジタル信号が処理部９にて信号処理される。The voltage monitoring device 2 detects the sending end voltage to the traffic light, and is connected in parallel with the signal display switching controller 6 to the output side wiring of the signal lamp transformer 7 of the signal cable. Are input to the failure detection unit 3. The failure detection unit 3 is a CPU, and includes a memory unit 8 and a processing unit 9 as shown in FIG.
Each of the current sensors 1a, 1b, 1c and the voltage monitoring device 2
Is input, and the digital signal converted by the input unit 3a is subjected to signal processing by the processing unit 9.
【００２１】メモリ部８は、初期設定により設定された
設定情報を記憶し、その設定情報を処理部９に出力する
ものである。処理部９は、時間処理部１０と、断線検知
部１１と、短絡検知部１２と、現示判断部１３とからな
り、メモリ部８から入力された設定情報をもとに、信号
機稼動時の断線故障限界値と、稼動部時の短絡故障限界
値とを割り出してそれぞれの故障限界値を断線検知部１
１と短絡検知部１２とに出力するものである。時間処理
部１０は、電流センサ１ａ，１ｂ，１ｃからの入力と、
電圧監視装置２からの入力との時間同期処理を行うもの
であり、同期監視情報を断線検知部１１と、短絡検知部
１２とに出力する。The memory unit 8 stores the setting information set by the initial setting, and outputs the setting information to the processing unit 9. The processing unit 9 includes a time processing unit 10, a disconnection detection unit 11, a short-circuit detection unit 12, and an indication determination unit 13. Based on the setting information input from the memory unit 8, the processing unit 9 operates when the traffic light is activated. A disconnection failure limit value and a short-circuit failure limit value at the time of operation are determined, and the respective failure limit values are determined by the disconnection detection unit 1.
1 and the short-circuit detector 12. The time processing unit 10 includes an input from the current sensors 1a, 1b, 1c,
It performs time synchronization processing with the input from the voltage monitoring device 2, and outputs synchronization monitoring information to the disconnection detection unit 11 and the short-circuit detection unit 12.
【００２２】断線検知部１１は、電流センサ１ａ，１
ｂ，１ｃから出力される信号機の消費電流と、電圧監視
装置２から出力される送出端電圧とを同期監視し、その
同期監視情報をコンピュータ処理して信号機側到達電圧
（着電圧）を計算し、断線故障電流値（断線故障限界
値）を割り出して信号灯のＬＥＤの全断故障、半断故
障、正常の判定を行う。The disconnection detecting section 11 includes the current sensors 1a, 1
b, 1c, synchronously monitors the current consumption of the traffic light output from the voltage monitoring device 2 and the sending end voltage output from the voltage monitoring device 2, and processes the synchronization monitoring information by computer to calculate the signal arrival voltage (arrival voltage). Then, a disconnection fault current value (disconnection fault limit value) is determined to determine whether the LED of the signal lamp is completely disconnected, partially disconnected, or normal.
【００２３】断線検知部１１が行う全断異常判定機能、
半断異常判定機能及び正常判定機能は、以下の通りであ
る。すなわち、全断異常判定機能は、メモリ部８に記憶
されている設定情報をもとに計算した信号機稼動状態に
おける全断故障限界値と、同期監視情報から演算された
信号機稼動状態における測定値とを比較し、信号機稼動
状態における全断故障限界値よりも信号機稼動状態にお
ける測定値が低下しているときは全ての信号灯のＬＥＤ
が断線故障している全断状態であると判断する機能であ
る。A disconnection abnormality determination function performed by the disconnection detection unit 11;
The half-break abnormality determination function and the normality determination function are as follows. That is, the total disconnection abnormality determination function includes a total disconnection failure limit value in the signal operation state calculated based on the setting information stored in the memory unit 8 and a measured value in the signal operation state calculated from the synchronization monitoring information. If the measured value in the traffic light operating state is lower than the total failure limit value in the traffic light operating state, the LED of all signal lights
Is a function for determining that the disconnection failure has occurred.
【００２４】半断異常判定機能は、メモリ部８に記憶さ
れている設定情報をもとに計算した信号機稼動状態にお
ける半断故障限界値と、同期監視情報から演算された信
号機稼動状態における測定値とを比較し、信号機稼動状
態における半断故障限界値よりも信号機稼動状態におけ
る測定値が低下しているときは信号灯の一部のＬＥＤが
断線故障している半断状態であると判断する機能であ
る。The half-break abnormality determination function includes a half-break fault limit value in the traffic signal operating state calculated based on the setting information stored in the memory unit 8 and a measured value in the traffic signal operating state calculated from the synchronization monitoring information. When the measured value in the traffic light operating state is lower than the half-break failure limit value in the traffic light operating state, a function to judge that some of the LEDs of the traffic light are in a broken state in which the disconnection failure has occurred It is.
【００２５】正常表示機能は、同期監視情報から演算さ
れた信号機稼動状態における測定値が、信号機稼動状態
における半断故障限界値と、信号機稼動状態における短
絡故障限界値との範囲内のときにはいずれの信号灯のＬ
ＥＤも断線、短絡故障していない断線、短絡なしの現示
正常であると判断する機能である。The normal display function is used when the measured value in the signal operating state calculated from the synchronization monitoring information is within the range between the half-break fault limit value in the signal operating state and the short-circuit fault limit value in the signal operating state. L of signal light
The ED is also a function of judging that there is no disconnection, no short-circuit failure, no disconnection, and no short-circuit.
【００２６】短絡検知部１２は、電流センサ１ａ，１
ｂ，１ｃから出力される信号機の消費電流と、電圧監視
装置２から出力される送出端電圧とを同期監視し、その
同期監視情報をコンピュータ処理して信号機側到達電圧
（着電圧）を計算し、短絡故障電流値（故障限界値）を
割り出してＬＥＤの短絡か、どうかの判定を行う。The short-circuit detecting section 12 includes the current sensors 1a, 1
b, 1c, synchronously monitors the current consumption of the traffic light output from the voltage monitoring device 2 and the sending end voltage output from the voltage monitoring device 2, and processes the synchronization monitoring information by computer to calculate the signal arrival voltage (arrival voltage). Then, a short-circuit fault current value (fault limit value) is determined to determine whether or not the LED is short-circuited.
【００２７】短絡検知部１２が行う短絡異常判定機能
は、メモリ部８に記憶されている設定情報をもとに計算
した信号機稼動状態における短絡故障限界値と、同期監
視情報から演算された信号機稼動状態における測定値と
を比較し、信号機稼動状態における短絡故障限界値より
も信号機稼動状態における測定値が上回っているときは
多数の信号灯のＬＥＤが短絡している短絡状態であると
判断する機能である。The short-circuit abnormality determination function performed by the short-circuit detection unit 12 includes a short-circuit fault limit value in a signal operation state calculated based on the setting information stored in the memory unit 8 and a signal operation limit calculated from the synchronization monitoring information. Compared with the measured value in the state, when the measured value in the signal operation state exceeds the short-circuit fault limit value in the signal operation state, it is a function to judge that the LED of many signal lights is short-circuited. is there.
【００２８】断線検知部１１と、短絡検知部１２との判
定結果は、現示判断部１３に出力され、現示判断部１３
は、時間処理部を経由して得られた測定値情報から、現
示の特定を行うとともに、断線検知部１１と短絡検知部
１２との判定結果を表示部１４に表示し、また、必要の
ときには警報を出力する。The judgment results of the disconnection detecting section 11 and the short-circuit detecting section 12 are output to the indication judging section 13,
Specifies the present from the measured value information obtained via the time processing unit, and displays the determination results of the disconnection detecting unit 11 and the short-circuit detecting unit 12 on the display unit 14; Sometimes an alarm is output.
【００２９】図５に故障検知部３が実行する故障検知処
理のフローを示す。図５において、各電流センサー１
ａ，１ｂ，１ｃに得られた電流測定入力と、電圧監視装
置２に得られた電圧測定入力とをそれぞれ入力部に入力
し（ステップ１）、ついで、処理部９の時間処理部１０
において、両入力を時間同期処理する（ステップ２）。
処理部９においては、ついで、電流センサ１ａ，１ｂ，
１ｃから出力される信号機の消費電力と、電圧監視装置
２から出力される送出端電圧とを同期監視し、同期監視
情報を得る（ステップ３）。FIG. 5 shows a flow of the failure detection processing executed by the failure detection unit 3. In FIG. 5, each current sensor 1
The current measurement inputs obtained at a, 1b, and 1c and the voltage measurement input obtained at the voltage monitoring device 2 are input to the input units (step 1), and then the time processing unit 10 of the processing unit 9
In step 2, both inputs are time-synchronized (step 2).
In the processing section 9, the current sensors 1a, 1b,
The power consumption of the traffic signal output from 1c and the sending end voltage output from the voltage monitoring device 2 are synchronously monitored to obtain synchronous monitoring information (step 3).
【００３０】この同期監視処理情報に基づいて現示判定
処理を行う（ステップ４）が、この現示判定処理に際し
ては、メモリ部８への初期設定情報を入力し、同期監視
情報から信号機側到達電圧（着電圧）を計算し（ステッ
プ５）、断線故障電流値（故障限界値）及び短絡故障電
流値（故障限界値）を割り出し(ステップ６)、メモリ部
８に記憶されている初期設定情報を基に計算した信号機
稼動状態における全断故障限界値、半断故障限界値また
は短絡故障限界値と、同期監視情報から演算された信号
機稼動状態における測定値とを比較し、全断、半断ある
いは短絡の異常判定を行い（ステップ７）、異常の継続
時間が、予め定められた時間を超えたときには、警報が
出力され（ステップ８）、表示部１４は、発生した異常
の内容を表示する。The presence determination processing is performed based on the synchronization monitoring processing information (step 4). In the presence determination processing, initial setting information is input to the memory unit 8 and the signal is reached from the synchronization monitoring information. The voltage (arrival voltage) is calculated (step 5), the disconnection fault current value (fault limit value) and the short-circuit fault current value (fault limit value) are determined (step 6), and the initial setting information stored in the memory unit 8 Comparing the limit value of the total disconnection fault, the half-limit fault limit or the short-circuit fault limit value calculated based on the traffic signal and the measured value in the signal operation status calculated from the synchronization monitoring information, the complete disconnection and the partial disconnection Alternatively, a short-circuit abnormality is determined (step 7), and when the duration of the abnormality exceeds a predetermined time, an alarm is output (step 8), and the display unit 14 displays the content of the occurred abnormality.
【００３１】もっとも、ステップ７で異常の判定がなさ
れなかったとき、あるいは異常が生じても、その異常の
継続時間が予め定められた時間を超えなかったときに
は、正常の表示がなされる（ステップ９）。図６にステ
ップ８における全断異常、半断異常及び短絡異常の判定
基準となる各故障領域の電圧と、電流との関係の一例を
示したものである。If no abnormality is determined in step 7, or if an abnormality occurs, but the duration of the abnormality does not exceed a predetermined time, a normal display is made (step 9). ). FIG. 6 shows an example of the relationship between the voltage and the current in each failure area, which is the reference for determining the full disconnection abnormality, the partial disconnection abnormality, and the short circuit abnormality in step 8.
【００３２】図６において、横軸は（送電圧ー着電
圧）、縦軸は（動作電流／全点灯電流）×１００に選
び、横軸目盛りが０すなわち、着電圧が送電圧に等しい
ときに、全点灯電流に対する動作電流の比が１２５％を
下限として、それ以上を短絡故障領域、５０％を上限と
して、それ以下を全断領域、５０％を下限、７５％を上
限とし、５０％〜７５％の範囲を半断故障領域に設定し
ている。この結果、７５％以上、１２５％以下が正常動
作領域となる。もっとも、着電圧が増大するにしたがっ
て、半断故障の上限値並びに全断故障の上限値が上昇し
てゆく。In FIG. 6, the horizontal axis is (transmission voltage-arrival voltage) and the vertical axis is (operating current / total lighting current) × 100. When the horizontal axis scale is 0, that is, when the arrival voltage is equal to the transmission voltage, When the ratio of the operating current to the total lighting current is 125% as a lower limit, a short-circuit fault region is more than 125%, an upper limit is 50%, a less than total region is 50% or less, a lower limit is 50%, and 75% is an upper limit. The range of 75% is set as the half-break fault area. As a result, 75% or more and 125% or less are the normal operation regions. However, as the arrival voltage increases, the upper limit value of the half-break fault and the upper limit value of the full-break fault increase.
【００３３】本発明においては、３個の電流センサの内
の一個又は２個の電流センサに流れる電流の有無を検知
して５灯の信号灯器の点灯、消灯を判別し、さらに、各
電流センサから出力される信号機の消費電流と、電圧監
視装置から出力される信号機への送出端電圧とを同期監
視をして、信号現示の正常、異常を判断し、信号灯器に
使用されたＬＥＤに全断異常、半断異常あるいは短絡異
常が発生したときには、警報を出力し、あわせて発生し
た異常の内容が表示される。In the present invention, the presence or absence of a current flowing in one or two of the three current sensors is detected to determine whether the five signal lamps are turned on or off. The current consumption of the signal output from the signal and the sending end voltage to the signal output from the voltage monitoring device are synchronously monitored to determine whether the signal is normal or abnormal. When a full disconnection abnormality, a partial disconnection abnormality, or a short circuit abnormality occurs, an alarm is output and the content of the abnormality that has occurred is displayed.
【００３４】本発明を適用する多灯形色灯信号機は、５
現示の信号灯の例に限られるものではないが、４現示以
下の信号機においても、断線検知には最小限３個の電流
センサが必要になることから、本発明においては、特に
５現示の信号機に用いて好適である。もっとも、本発明
の故障検知装置は、信号現示の数より少ない数の電流セ
ンサを用いた故障検知装置に適応する場合に限らず、多
灯形色灯信号機のＬＥＤの故障検知に電流センサを用い
る一般の故障検知装置にもまったく同様に適用すること
ができる。The multi-lamp type color light traffic signal to which the present invention is applied is 5
Although the present invention is not limited to the example of the signal light shown in the drawings, even in the case of a signal having four or less lights, at least three current sensors are required for disconnection detection. It is suitable for use in traffic lights. However, the failure detection device of the present invention is not limited to the case where it is applied to a failure detection device using a smaller number of current sensors than the number of signal indications. The present invention can be applied to the general failure detection device used in the same manner.
【００３５】[0035]
【発明の効果】以上のように、本発明によるときには、
多灯形色灯信号機の発光源に用いられたＬＥＤの消費電
流と、信号灯への送出端電圧とを同期監視し、その同期
監視情報から信号機側到達電圧（着電圧）を計算し、全
断、半断、短絡故障電流値（故障限界値）を割り出し、
信号機稼動時の測定結果を、その故障限界値と、比較し
て信号灯の全断異常、半断異常並びに短絡異常を判定す
るものであるため、全断異常、短絡異常はもとより、電
球フィラメント溶断時のような電流落差が無くても、故
障限界値を設定してその設定値を越える部分断線を正確
に監視できる。As described above, according to the present invention,
Synchronously monitors the current consumption of the LED used as the light source of the multi-lamp type color light signal and the sending end voltage to the signal light, calculates the signal side arrival voltage (arrival voltage) from the synchronization monitoring information, and completely shuts off , Half-break, short-circuit fault current value (fault limit value)
Since the measurement result at the time of signal operation is compared with its failure limit value to determine the complete disconnection, partial disconnection and short-circuit abnormality of the signal lamp, not only the complete disconnection and short-circuit abnormality, but also Even if there is no current drop as described above, a fault limit value can be set and a partial disconnection exceeding the set value can be accurately monitored.
【００３６】また、本発明によるときには、電源と、信
号機間の配線ケーブルの長さの長短や電源の品質、電源
電圧の低下といった信号機の設置現場の条件に左右され
ずにＬＥＤの点灯異常を正しく判断することができる。
さらに本発明によれば、特定された灯器の点灯電流をよ
り正確に計測することでＬＥＤの断線の程度を判定する
ことも可能である。Further, according to the present invention, the lighting abnormality of the LED can be correctly determined regardless of the conditions of the signal signal installation site such as the length of the wiring cable between the power supply and the traffic light, the quality of the power supply, and the drop of the power supply voltage. You can judge.
Further, according to the present invention, the degree of disconnection of the LED can be determined by more accurately measuring the lighting current of the specified lamp.
【図１】本発明の一実施形態を示す故障検知回路の構成
図である。FIG. 1 is a configuration diagram of a failure detection circuit according to an embodiment of the present invention.
【図２】信号灯のＬＥＤの回路図である。FIG. 2 is a circuit diagram of an LED of a signal light.
【図３】各灯器の点灯、消灯検知回路の概略図である。FIG. 3 is a schematic diagram of a lighting / extinguishing detection circuit of each lamp.
【図４】故障検知部の構成図である。FIG. 4 is a configuration diagram of a failure detection unit.
【図５】故障検知処理のフロー図である。FIG. 5 is a flowchart of a failure detection process.
【図６】断線、短絡故障の判定領域を示す図である。FIG. 6 is a diagram showing a determination area for a disconnection or short-circuit failure.
１ａ〜１ｃ 電流センサ ２ 電圧監視装置 ３ 故障検知部 ４ 信号ケーブル ５（５ａ〜５ｅ） 電流測定用貫通線 ６ 制御器 ６ 信号現示切替え制御器 ７ 信号灯トランス ８ メモリ部 ９ 処理部 １０ 時間処理部 １１ 断線検知部 １２ 短絡検知部 １３ 現示判断部 １４ 表示部 1a to 1c Current sensor 2 Voltage monitoring device 3 Failure detection unit 4 Signal cable 5 (5a to 5e) Current measurement through line 6 Controller 6 Signal display switching controller 7 Signal lamp transformer 8 Memory unit 9 Processing unit 10 Time processing unit 11 disconnection detecting unit 12 short-circuit detecting unit 13 display indicating unit 14 display unit
Claims (4)
装置と、故障検知部とを有するＬＥＤ式多灯形色灯信号
機における信号灯のＬＥＤ故障検知装置であって、 複数の灯器は、複数個のＬＥＤを信号の発源とする三位
式信号機の信号灯であり、各電流センサに貫通させた貫
通線をもって信号現示切替え制御器に接続され、 電流センサは、信号灯の消費電流を検知するものであ
り、 電圧監視装置は、信号機への送出端電圧を検知するもの
であり、 故障検知部は、電流センサと電圧監視装置とに接続さ
れ、信号機の消費電流と送出端電圧とを同期監視し、得
られた同期監視情報から信号機側到達電圧を計算して信
号機稼動時の故障限界値を割り出し、信号機稼動時の測
定値を信号機稼動時の故障限界値と比較して灯器の故障
の判定を行うものであることを特徴とするＬＥＤを発光
源に用いた多灯形色灯信号機の故障検知装置。1. An LED failure detection device for a signal lamp in an LED-type multi-lamp type color light traffic light having a plurality of lamps, a current sensor, a voltage monitoring device, and a failure detection unit, wherein the plurality of lamps are , A signal lamp of a three-position signal having a plurality of LEDs as a signal source, connected to a signal display switching controller with a penetrating wire penetrating each current sensor, and the current sensor reduces the current consumption of the signal lamp. The voltage monitoring device detects the sending end voltage to the traffic light, and the failure detection unit is connected to the current sensor and the voltage monitoring device, and detects the current consumption of the traffic light and the sending end voltage. Synchronous monitoring, calculating the signal reaching voltage from the obtained synchronization monitoring information to determine the failure limit value at the time of signal operation, comparing the measured value at signal operation with the failure limit value at signal operation, and For determining failure Failure detection device of Oto Katachiiroto traffic signal using LED, characterized in that the light-emitting source.
し、 メモリ部は、初期設定により設定された設定情報を記憶
し、その設定情報を処理部に出力するものであり、 処理部は、時間処理部と、断線検知部と、短絡検知部
と、現示判断部とを有し、メモリ部から入力された設定
情報をもとに、信号機稼動時の断線故障限界値と、稼動
部時の短絡故障限界値とを割り出してそれぞれの故障限
界値を断線検知部と短絡検知部とに出力するものであ
り、 時間処理部は、電流センサ入力と、電圧監視装置からの
入力との時間同期処理を行うものであり、 断線検知部は、信号機稼動時の測定値と信号機稼動時の
故障限界値との比較結果からＬＥＤの断線判定を行うも
のであり、 短絡検知部は、信号機稼動時の測定値と信号機稼動時の
故障限界値との比較結果からＬＥＤの短絡判定を行うも
のであり、 現示判断部は、時間処理部を経由して得られた測定値情
報から、現示の特定を行うとともに、断線検知部と、短
絡検知部との判定結果を出力するものであることを特徴
とする請求項１に記載のＬＥＤを発光源に用いた多灯形
色灯信号機の故障検知装置。2. The failure detecting section has a memory section and a processing section, and the memory section stores setting information set by the initial setting and outputs the setting information to the processing section. Has a time processing unit, a disconnection detection unit, a short-circuit detection unit, and an indication determination unit. Based on the setting information input from the memory unit, a disconnection failure limit value when the traffic light is activated, The time processing unit calculates the short-circuit fault limit value at the time of connection and outputs the respective fault limit values to the disconnection detection unit and the short-circuit detection unit. The disconnection detection unit performs the time synchronization process. The disconnection detection unit performs the disconnection determination of the LED based on the comparison result between the measured value at the time of the traffic light operation and the failure limit value at the time of the traffic light operation. Of the measured value at the time of operation and the fault limit value at the time of signal operation The short-circuit determination of the LED is performed based on the result, and the display determination unit specifies the current display from the measurement value information obtained via the time processing unit, and performs the disconnection detection unit, the short-circuit detection unit The failure detection device according to claim 1, wherein the failure detection device outputs the determination result of (1).
断異常判定機能と、正常判定機能とを有し、 全断異常判定機能は、メモリ部に記憶されている設定情
報をもとに計算した信号機稼動状態における全断故障限
界値と、同期監視情報から演算された信号機稼動状態に
おける測定値とを比較し、信号機稼動状態における全断
故障限界値よりも信号機稼動状態における測定値が低下
しているときは全ての信号灯のＬＥＤが断線故障してい
る全断状態であると判断する機能であり、 半断異常判定機能は、メモリ部に記憶されている設定情
報をもとに計算した信号機稼動状態における半断故障限
界値と、同期監視情報から演算された信号機稼動状態に
おける測定値とを比較し、信号機稼動状態における半断
故障限界値よりも信号機稼動状態における測定値が低下
しているときは信号灯の一部のＬＥＤが断線故障してい
る半断状態であると判断する機能であり、 正常判定機能は、同期監視情報から演算された信号機稼
動状態における測定値が、信号機稼動状態における半断
故障限界値と、信号機稼動状態における短絡故障限界値
との範囲内のときにはいずれの信号灯のＬＥＤも断線又
は短絡故障していない状態であると判断する機能であ
り、 短絡検知部は、短絡異常判定機能を有し、 短絡異常判定機能は、メモリ部に記憶されている設定情
報をもとに計算した信号機稼動状態における短絡故障限
界値と、同期監視情報から演算された信号機稼動状態に
おける測定値とを比較し、信号機稼動状態における短絡
故障限界値よりも信号機稼動状態における測定値が上回
っているときには、多数の信号灯のＬＥＤが短絡してい
る短絡状態であると判断する機能であることを特徴とす
る請求項２に記載のＬＥＤを発光源に用いた多灯形色灯
信号機の故障検知装置。3. The disconnection detecting section has a full disconnection abnormality determination function, a partial disconnection abnormality determination function, and a normality determination function, and the full disconnection abnormality determination function also reads setting information stored in a memory section. Compare the total disconnection fault limit value in the traffic light operation state calculated with the measured value in the traffic light operation state calculated from the synchronization monitoring information, and the measured value in the traffic light operation state is more than the total disconnection failure limit value in the traffic light operation state Is a function to judge that the LED of all signal lights is in a completely disconnected state where disconnection failure has occurred, and the semi-disconnection abnormality determination function is based on the setting information stored in the memory unit. Compare the calculated half-failure fault limit value in the traffic light operating state with the measured value in the traffic light operating state calculated from the synchronization monitoring information, and in the traffic light operating state more than the half-failure fault limit value in the traffic light operating state When the constant value has decreased, it is a function to determine that some of the LEDs of the signal lamp are in a partially disconnected state in which a disconnection failure has occurred. The normality determination function is a measurement value in the signal operating state calculated from the synchronization monitoring information Is a function to determine that the LED of any of the signal lights is in a state in which there is no disconnection or short-circuit failure when the half-break failure limit value in the traffic light operation state and the short-circuit failure limit value in the traffic light operation state are within a range, The short-circuit detection unit has a short-circuit abnormality determination function, and the short-circuit abnormality determination function is calculated from the short-circuit failure limit value in the signal operating state calculated based on the setting information stored in the memory unit and the synchronization monitoring information. When the measured value in the traffic light operating state exceeds the short-circuit fault limit value in the traffic light operating state, Failure detection device of Oto Katachiiroto traffic signal used for the emission source LED according to claim 2, wherein the LED of the issue lamp is function of determining that the short-circuit state in which short-circuited.
装置と、故障検知部とを有するＬＥＤ式多灯形色灯信号
機における信号灯のＬＥＤ故障検知装置であって、 複数の灯器は、複数個のＬＥＤを信号の発光源とする三
位式信号機の信号灯であり、各電流センサに２本又は３
本ずつ貫通させた貫通線をもって灯器切替え制御器に接
続され、 各灯器の点灯、消灯の判断は、予め定められた一つまた
は二つの電流センサへの通電電流の有無によって行われ
るものであり、 電流センサは、信号灯の消費電流を検知するものであ
り、灯器の数よりも少なく、 電圧監視装置は、信号機への送出端電圧を検知するもの
であり、 故障検知部は、電流センサと電圧監視装置とに接続さ
れ、信号機の消費電流と送出端電圧とを同期監視し、そ
の同期監視情報から信号機側到達電圧を計算して信号機
稼動時の故障限界値を割り出し、信号機稼動時の測定値
を信号機稼動時の故障限界値と比較して灯器の故障の判
定を行うものであることを特徴とするＬＥＤを発光源に
用いた多灯形色灯信号機の故障検知装置。4. An LED failure detection device for a signal lamp in an LED-type multi-light type color light traffic light having a plurality of lamps, a current sensor, a voltage monitoring device, and a failure detection unit, wherein the plurality of lamps are , A signal light of a three-position type traffic signal using a plurality of LEDs as a light emitting source, and two or three
Each of the lamps is connected to the lamp switching controller with a penetrating wire penetrating the lamps, and the judgment of turning on and off of each lamp is made based on the presence or absence of a current flowing to one or two predetermined current sensors. Yes, the current sensor detects the current consumption of the signal light, is less than the number of lamps, the voltage monitoring device detects the sending end voltage to the signal, and the failure detection unit is the current sensor And the voltage monitoring device, and synchronously monitors the current consumption of the traffic light and the sending end voltage, calculates the signal arrival voltage from the synchronization monitoring information, finds the fault limit value at the time of traffic light operation, and A failure detection device for a multi-lamp type color light traffic signal using an LED as a light source, wherein the failure value is determined by comparing a measured value with a failure limit value when the traffic light is operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11021611A JP2000222686A (en) | 1999-01-29 | 1999-01-29 | Failure detecting device for multiple light type color signal using led for light emission source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11021611A JP2000222686A (en) | 1999-01-29 | 1999-01-29 | Failure detecting device for multiple light type color signal using led for light emission source |
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| Publication Number | Publication Date |
|---|---|
| JP2000222686A true JP2000222686A (en) | 2000-08-11 |
Family
ID=12059848
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11021611A Pending JP2000222686A (en) | 1999-01-29 | 1999-01-29 | Failure detecting device for multiple light type color signal using led for light emission source |
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| Country | Link |
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| JP (1) | JP2000222686A (en) |
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| US9629221B2 (en) | 2012-09-10 | 2017-04-18 | Eldolab Holding B.V. | LED fixture and LED lighting arrangement comprising such LED fixture |
| US10237952B2 (en) | 2012-09-10 | 2019-03-19 | Eldolab Holding B.V. | LED fixture and LED lighting arrangement comprising such LED fixture |
| CN103280117A (en) * | 2013-06-10 | 2013-09-04 | 西安费斯达自动化工程有限公司 | Intelligent fault data-logging and network alarm system of traffic lights |
| CN103337190A (en) * | 2013-06-11 | 2013-10-02 | 西安费斯达自动化工程有限公司 | Intelligent detection and alarming method for failure of traffic light |
| KR101444790B1 (en) | 2013-07-10 | 2014-09-26 | (주)아한피앤이 | signal light for railway control apparatus with reactor |
| KR20150104417A (en) * | 2014-03-05 | 2015-09-15 | (주)아빌론네트웍스 | detecting system for fault of traffic lights |
| JP2016002942A (en) * | 2014-06-18 | 2016-01-12 | 東邦電機工業株式会社 | Failure detector for railroad crossing warning device |
| KR101532420B1 (en) * | 2014-10-29 | 2015-06-29 | (주)씨앤에스아이 | Automated detection system of failed LED traffic lights |
| CN105137366A (en) * | 2015-06-29 | 2015-12-09 | 中电装备山东电子有限公司 | Intelligent LED light detection device and method specially for intelligent electric meter |
| CN105158668A (en) * | 2015-08-25 | 2015-12-16 | 广东金鉴检测科技有限公司 | LED light source discoloration failure detection method and device |
| KR20190009864A (en) * | 2017-07-19 | 2019-01-30 | 한국철도기술연구원 | Apparatus for monitoring railroad sign flag |
| KR102034547B1 (en) | 2017-07-19 | 2019-10-22 | 한국철도기술연구원 | Apparatus for monitoring railroad sign flag |
| CN110047309A (en) * | 2019-04-30 | 2019-07-23 | 安徽科力信息产业有限责任公司 | A kind of signal machine control method and device |
| CN110775096A (en) * | 2019-11-01 | 2020-02-11 | 中国铁道科学研究院集团有限公司通信信号研究所 | Automatic monitoring method and device for microelectronic turnout control panel |
| JP2021130365A (en) * | 2020-02-19 | 2021-09-09 | 株式会社鷺宮製作所 | Signal information transmission device |
| JP7312714B2 (en) | 2020-02-19 | 2023-07-21 | 株式会社鷺宮製作所 | signal information transmitter |
| CN111629491A (en) * | 2020-03-23 | 2020-09-04 | 北京全路通信信号研究设计院集团有限公司 | Safety type LED intelligent signal machine control system and method |
| CN113340323A (en) * | 2020-11-26 | 2021-09-03 | 国营芜湖机械厂 | Method for rapidly positioning fault of inertial sensor and detection device thereof |
| CN113340323B (en) * | 2020-11-26 | 2023-06-02 | 国营芜湖机械厂 | Rapid fault positioning method and detection device for inertial sensor |
| CN113223318A (en) * | 2021-06-15 | 2021-08-06 | 浙江立为信息科技有限公司 | Monitoring method and system for signal lamp state real-time monitoring |
| CN113223318B (en) * | 2021-06-15 | 2023-07-07 | 浙江立为信息科技有限公司 | Monitoring method and system for real-time monitoring of signal lamp state |
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