JPH0693392B2 - Lighting control device - Google Patents

Lighting control device

Info

Publication number
JPH0693392B2
JPH0693392B2 JP62299530A JP29953087A JPH0693392B2 JP H0693392 B2 JPH0693392 B2 JP H0693392B2 JP 62299530 A JP62299530 A JP 62299530A JP 29953087 A JP29953087 A JP 29953087A JP H0693392 B2 JPH0693392 B2 JP H0693392B2
Authority
JP
Japan
Prior art keywords
correction
output
dirt
discharge lamp
light output
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.)
Expired - Fee Related
Application number
JP62299530A
Other languages
Japanese (ja)
Other versions
JPH01143189A (en
Inventor
正之 森田
重行 徳永
信夫 松下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Lighting and Technology Corp
Original Assignee
Toshiba Lighting and Technology Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Lighting and Technology Corp filed Critical Toshiba Lighting and Technology Corp
Priority to JP62299530A priority Critical patent/JPH0693392B2/en
Publication of JPH01143189A publication Critical patent/JPH01143189A/en
Publication of JPH0693392B2 publication Critical patent/JPH0693392B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】 〔発明の目的〕 (産業上の利用分野) 本発明は、照明負荷の光出力を一定に保つ照明制御装置
に関する。
DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) [0001] The present invention relates to a lighting control device for keeping the light output of a lighting load constant.

(従来の技術) 従来のこの種の照明負荷の光出力を一定に保つ照明制御
装置としては、照明負荷の近傍に照明負荷の劣化等によ
る光出力の低下等を検知するセンサを設け、このセンサ
の出力に従って照明負荷の出力を補正する構成が採られ
ている。
(Prior Art) As a conventional lighting control device that keeps the light output of this kind of lighting load constant, a sensor is provided near the lighting load to detect a decrease in the light output due to deterioration of the lighting load and the like. A configuration is adopted in which the output of the lighting load is corrected in accordance with the output of 1.

(発明が解決しようとする問題点) しかしながら、上記従来の照明制御装置は、主に照明負
荷の劣化による光出力の低下を補正するものである。
(Problems to be Solved by the Invention) However, the above-described conventional lighting control device mainly corrects a decrease in light output due to deterioration of a lighting load.

このため、照明負荷の汚れによる光出力の低下の補正は
ほとんどできない。すなわち、センサは単にある一部分
の照度しか検出できない。たとえばランプ下面や反射板
等の汚れ方が異なる場所の照度は検出できず、照明負荷
の一部のみを検出するセンサでは十分に汚れに対応する
ことはできない問題を有している。
Therefore, it is almost impossible to correct the decrease in the light output due to the contamination of the illumination load. That is, the sensor can only detect a certain part of the illuminance. For example, there is a problem that the illuminance of a place where the lower surface of the lamp, the reflection plate, or the like is differently stained cannot be detected, and a sensor that detects only a part of the illumination load cannot sufficiently deal with the stain.

本発明は上記問題点に鑑みなされたもので、汚れに対応
して明るさを補正し、常に一定の光出力で照明できる照
明制御装置を提供することを目的とする。
The present invention has been made in view of the above problems, and an object of the present invention is to provide an illumination control device capable of correcting brightness corresponding to dirt and always illuminating with a constant light output.

〔発明の構成〕[Structure of Invention]

(問題点を解決するための手段) 本発明は、照明負荷と、この照明負荷の出力を制御する
制御手段と、前記照明負荷の光源からの光出力を検出す
る検知手段と、前記照明負荷の経時時間に対する汚れ補
正値を予め記憶しており時間の経過に伴って前記補正値
を出力する汚れ補正手段と前記検知手段の出力および前
記汚れ補正手段からの汚れ補正値を演算して前記制御手
段に照度補正信号を出力する照度補正手段とを具備する
ものである。
(Means for Solving Problems) The present invention relates to a lighting load, control means for controlling the output of the lighting load, detection means for detecting a light output from the light source of the lighting load, and the lighting load. The stain correction value for the elapsed time is stored in advance and the stain correction means for outputting the correction value as time passes, the output of the detection means, and the stain correction value from the stain correction means are calculated to calculate the control means. And an illuminance correction means for outputting an illuminance correction signal.

(作用) 本発明は、制御手段で照明負荷の出力を制御し、この照
明負荷の光源からの光出力を検知手段で検知し、汚れ補
正手段では、予め記憶されている経時時間に対する汚れ
補正値を時間の経過に伴って出力する。そして、照度補
正手段では、検知手段の出力および汚れ補正手段からの
汚れ補正値を演算して補正信号を出力し照明負荷の出力
を一定に保つ。
(Operation) In the present invention, the output of the illumination load is controlled by the control unit, the light output from the light source of the illumination load is detected by the detection unit, and the stain correction unit stores the stain correction value with respect to the elapsed time stored in advance. Is output over time. Then, the illuminance correction means calculates the output of the detection means and the dirt correction value from the dirt correction means and outputs a correction signal to keep the output of the illumination load constant.

(実施例) 以下、本発明の照明制御装置の一実施例を図面を参照し
て説明する。
(Embodiment) An embodiment of the illumination control device of the present invention will be described below with reference to the drawings.

第1図において、1は主操作盤で、この主操作盤1は照
明負荷としての放電灯照明器具2をスケジュール運転す
るなどの制御出力信号を出力する。この主操作盤1には
マルチドップ配線された伝送線3を介して、調光信号を
各チャンネル毎に出力する制御手段としての信号端末器
4が接続されている。また、この信号端末器4には初期
の照度を設定する初期状態設定装置5が設けられてい
る。さらに、信号端末器4の各チャンネルには調光制御
信号線6を介して放電灯照明器具2が接続されている。
この放電灯照明器具2には、たとえば2灯の光源として
の放電灯21,22およびこの各放電灯21,22のそれぞれ、ま
たは一方の光出力を検知する検知手段としてのセンサ7
が設けられている。そして、これらセンサ7は検知信号
線8を介して照度補正手段としての補正装置9に接続さ
れ、さらに、この補正装置9は伝送線3を介して信号端
末器4に接続されている。また、補正装置9には、初期
状態に戻すリセットスイッチ10が設けられている。
In FIG. 1, reference numeral 1 denotes a main operation panel, and this main operation panel 1 outputs a control output signal such as a schedule operation of a discharge lamp lighting fixture 2 as an illumination load. A signal terminal 4 as a control means for outputting a dimming signal for each channel is connected to the main operation panel 1 via a transmission line 3 which is multi-dopp wired. Further, the signal terminal 4 is provided with an initial state setting device 5 for setting an initial illuminance. Further, the discharge lamp lighting fixture 2 is connected to each channel of the signal terminal device 4 via a dimming control signal line 6.
This discharge lamp lighting fixture 2 includes, for example, a discharge lamp 2 1 , 2 2 as a light source of two lights and a sensor 7 as a detection means for detecting the light output of each of the discharge lamps 2 1 , 2 2 or one of them.
Is provided. These sensors 7 are connected to a correction device 9 as an illuminance correction means via a detection signal line 8, and the correction device 9 is connected to a signal terminal 4 via a transmission line 3. Further, the correction device 9 is provided with a reset switch 10 for returning to the initial state.

また、補正装置9には汚れ補正手段15が設けられ、この
汚れ補正手段15は放電灯照明器具2の経時時間に対する
汚れ補正値を予めメモリ内に記憶している。たとえば第
2図に示すような汚れによる光出力の割合と経過時間の
関係が記憶されている。この光出力の減少の割合はたと
えば統計により求められ、工場、オフィス、病院等汚れ
方の異なる複数の種類の汚れ補正値のデータが記憶さ
れ、任意に選択できるようになっており、これらの汚れ
補正値のデータは前記検知手段7の出力と演算されて、
補正装置9から伝送線3を介して信号端末器4に出力さ
れた信号端末器4ではこの出力信号に基づいて調光デー
タを作成する。
Further, the correction device 9 is provided with a stain correction unit 15, and the stain correction unit 15 stores a stain correction value for the elapsed time of the discharge lamp lighting fixture 2 in a memory in advance. For example, as shown in FIG. 2, the relationship between the ratio of light output due to dirt and the elapsed time is stored. The rate of decrease of the light output is obtained by, for example, statistics, and data of a plurality of types of dirt correction values such as factories, offices, hospitals, etc., which have different ways of dirt, are stored and can be arbitrarily selected. The correction value data is calculated with the output of the detection means 7,
The signal terminal device 4 output from the correction device 9 to the signal terminal device 4 via the transmission line 3 creates dimming data based on this output signal.

そして、主操作盤1および放電灯照明器具2には電源線
11を介して商用交流電源12が接続されている。
A power line is provided for the main operation panel 1 and the discharge lamp lighting fixture 2.
A commercial AC power supply 12 is connected via 11.

次に上記実施例の動作について説明する。Next, the operation of the above embodiment will be described.

主操作盤1で制御信号を出力すると、この制御信号に従
って信号端末器4は放電灯照明器具2にたとえばパルス
巾信号を送り、このパルス巾信号に従って放電灯照明器
具2で、位相制御等を行ない所望の明るさで点灯、また
は、消灯する。
When a control signal is output from the main operation panel 1, the signal terminal device 4 sends a pulse width signal to the discharge lamp lighting fixture 2 in accordance with this control signal, and the discharge lamp lighting fixture 2 performs phase control etc. according to this pulse width signal. The light is turned on or off at a desired brightness.

また、最初のとき、初期状態設定装置で放電灯照明器具
2の明るさを所望の明るさに設定する。
At the first time, the initial state setting device sets the brightness of the discharge lamp lighting fixture 2 to a desired brightness.

放電灯照明器具2が点灯することにより、センサ7は放
電灯照明器具2の放電灯21,22からの光出力を検出し、
補正装置9に出力する。この補正装置9では、汚れ補正
手段15から汚れによる光出力の減少の割合と経過時間の
関係である汚れ補正値のデータを読み出し、前記センサ
7からの出力信号と演算して補正値を作成し、これを信
号端末器4に出力し、信号端末器4で光出力を補正分だ
け増す方向に制御することにより、放電灯照明器具2を
調光し光出力を一定にする。
When the discharge lamp lighting fixture 2 is turned on, the sensor 7 detects the light output from the discharge lamps 2 1 , 2 2 of the discharge lamp lighting fixture 2,
Output to the correction device 9. In this correction device 9, the dirt correction value data, which is the relationship between the rate of decrease in light output due to dirt and the elapsed time, is read from the dirt correction means 15 and is calculated with the output signal from the sensor 7 to create a correction value. This is output to the signal terminal device 4, and the signal terminal device 4 controls the light output so as to increase by the correction amount, thereby dimming the discharge lamp lighting fixture 2 and making the light output constant.

また、放電灯照明器具2を洗浄した場合は、リセットス
イッチ10で、汚れによる光出力の低下を補正するデータ
をリセットし、初期状態にする。洗浄のみでは必ずしも
初期状態まで明るさは回復しないので、初期状態よりや
や補正された値としてもよい。
Further, when the discharge lamp lighting device 2 is washed, the reset switch 10 resets the data for correcting the decrease in the light output due to the dirt, and sets the initial state. Since the brightness does not always recover to the initial state only by cleaning, the value may be slightly corrected from the initial state.

また、放電灯照明器具2の調光は、放電灯照明器具2自
体で行なわず、信号端末器4で位相制御等により電力を
変化させることにより行なうこともできる。
Further, the dimming of the discharge lamp lighting fixture 2 can also be performed by changing the electric power by the signal terminal device 4 by phase control or the like, instead of the discharge lamp lighting fixture 2 itself.

また、補正装置9を信号端末器4内に設けるようにして
もよい。
Further, the correction device 9 may be provided in the signal terminal device 4.

〔発明の効果〕〔The invention's effect〕

本発明によれば、検知手段により光源の経時的光束減退
を検知するとともに、照明器具の経時的汚れ補正値を予
め記憶しておき、これらを演算して照明負荷の光出力を
制御するので、照明負荷の経時的汚れおよび光源の光束
減退のいずれにも対応できる。したがって、照明器具の
洗浄時期、光源の交換時期が異なったような場合でも常
に所定の光出力を得ることができる。
According to the present invention, the temporal light flux decline of the light source is detected by the detection means, the temporal contamination correction values of the lighting fixture are stored in advance, and the light output of the illumination load is controlled by calculating these values. It is possible to deal with both the contamination of the lighting load with time and the decrease of the luminous flux of the light source. Therefore, it is possible to always obtain a predetermined light output even when the cleaning timing of the lighting fixture and the replacement timing of the light source are different.

【図面の簡単な説明】[Brief description of drawings]

第1図は本発明の照明制御装置の一実施例を示すブロッ
ク図、第2図は同上光出力の割合と経過時間の関係を示
すグラフである。 2……照明負荷としての放電灯照明器具、21,22……光
源としての放電灯、4……制御手段としての信号端末
器、7……検知手段としてのセンサ、9……照度補正手
段としての補正装置、15……汚れ補正手段。
FIG. 1 is a block diagram showing an embodiment of an illumination control device of the present invention, and FIG. 2 is a graph showing the relationship between the light output ratio and the elapsed time. 2 ... Discharge lamp lighting equipment as lighting load, 2 1 , 2 2 ... Discharge lamp as light source, 4 ... Signal terminal device as control means, 7 ... Sensor as detection means, 9 ... Illuminance correction Correction device as a means, 15: dirt correction means.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭64−89287(JP,A) 特開 昭62−139296(JP,A) 特開 昭48−24578(JP,A) 特開 昭61−156694(JP,A) 実開 昭58−20494(JP,U) 特公 昭51−17236(JP,B2) ─────────────────────────────────────────────────── --Continued from the front page (56) Reference JP-A-64-89287 (JP, A) JP-A-62-139296 (JP, A) JP-A-48-24578 (JP, A) JP-A-61- 156694 (JP, A) Actually opened Sho 58-20494 (JP, U) Japanese Patent Sho 51-17236 (JP, B2)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】照明負荷と、 この照明負荷の出力を制御する制御手段と、 前記照明負荷の光源からの光出力を検出する検知手段
と、 前記照明負荷の経時時間に対する汚れ補正値を予め記憶
しており時間の経過に伴って前記補正値を出力する汚れ
補正手段と 前記検知手段の出力および前記汚れ補正手段からの汚れ
補正値を演算して前記制御手段に照度補正信号を出力す
る照度補正手段と、 を具備することを特徴とする照明制御装置。
1. A lighting load, a control means for controlling an output of the lighting load, a detection means for detecting a light output from a light source of the lighting load, and a dirt correction value for the elapsed time of the lighting load is stored in advance. The illuminance correction means that calculates the dirt correction value that outputs the correction value with the passage of time and the output of the detection means and the dirt correction value from the dirt correction means, and outputs the illuminance correction signal to the control means. A lighting control device comprising:
JP62299530A 1987-11-27 1987-11-27 Lighting control device Expired - Fee Related JPH0693392B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62299530A JPH0693392B2 (en) 1987-11-27 1987-11-27 Lighting control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62299530A JPH0693392B2 (en) 1987-11-27 1987-11-27 Lighting control device

Publications (2)

Publication Number Publication Date
JPH01143189A JPH01143189A (en) 1989-06-05
JPH0693392B2 true JPH0693392B2 (en) 1994-11-16

Family

ID=17873795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62299530A Expired - Fee Related JPH0693392B2 (en) 1987-11-27 1987-11-27 Lighting control device

Country Status (1)

Country Link
JP (1) JPH0693392B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4656200B2 (en) * 2008-07-22 2011-03-23 パナソニック電工株式会社 Discharge lamp lighting device and lighting fixture
JP4656201B2 (en) * 2008-07-22 2011-03-23 パナソニック電工株式会社 Discharge lamp lighting device and lighting fixture
JP6077310B2 (en) * 2013-01-11 2017-02-08 東日本高速道路株式会社 Tunnel lighting system

Also Published As

Publication number Publication date
JPH01143189A (en) 1989-06-05

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