JP3728978B2 - Lighting control system - Google Patents

Lighting control system Download PDF

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Publication number
JP3728978B2
JP3728978B2 JP15311599A JP15311599A JP3728978B2 JP 3728978 B2 JP3728978 B2 JP 3728978B2 JP 15311599 A JP15311599 A JP 15311599A JP 15311599 A JP15311599 A JP 15311599A JP 3728978 B2 JP3728978 B2 JP 3728978B2
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Japan
Prior art keywords
lighting
illumination
mode
light output
control unit
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JP15311599A
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JP2000348873A (en
Inventor
美稚子 鴨井
英樹 橋本
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、被照射面の照度を略一定に保つように照明負荷の光出力を制御する複数台の照明装置を備えた照明制御システムに関するものである。
【0002】
【従来の技術】
本出願人は、被照射面の照度を略一定に保つように照明負荷の光出力を制御(フィードバック制御)する照明装置を既に提案している(特開平10−270177号公報参照)。
【0003】
上記公報に記載されている従来の照明装置X′は、図4に示すように照明負荷3の被照射面での反射光を照度センサ1で検出し、照度センサ1の検出出力を制御部2へ送信することで、照明負荷3の光出力を制御するものであり、照度設定切替SW8にて照度設定を切り替え、調整モード切替SW9にて通常モードと調整モードとを切り替え、調光範囲設定SW10にて照明負荷3の調光範囲の上下限を調整するものである。また、照明負荷3の光出力(調光レベル)は図5に示す様に変化する。
【0004】
次に、本従来例の動作を簡単に説明する。
【0005】
先ず、照度設定切替SW8にて目標照度レベルを設定し、調整モード切替SW9にて通常モードか調整モードを確認する。通常モードでは、照度センサ1のサンプリング時間Tと照明負荷3の光出力の変化時間tとを長くし(図5参照)、人に気づかれない様に照明負荷3の光出力をゆっくりと変化させる。これにより、外来光などによる照度の急激な変化やイレギュラーな変化に対しては照明負荷3の光出力を追随させないようにしている。また調整モードでは、環境に応じて照明負荷3の光出力のレベルを調整し、所望の明るさが得られたときの照度センサ1の検出レベルを目標照度として記憶させるとともに、所望の照度を早く設定する為にサンプリング時間Tと変化時間tとを短くし、照明負荷3の光出力を早く変化させるようにしている。制御部2は、T秒間で照度センサ1の値をN回サンプリングして照度センサ1の平均値Aを導き出し、照度センサ1の平均値Aと目標とする照度設定に相当する照度センサ1の値B(以下、照度センサ1の目標値Bと呼ぶ。)とを比較する。照度センサ1の平均値Aと照度センサ1の目標値Bとが同じであれば、設定された照度に達したと判断して照明負荷3の調光レベルは変化させない。照度センサ1の平均値Aが照度センサ1の目標値Bよりも小さければ調光範囲の上限値を読み込み、照明負荷3の調光レベルが調光範囲の上限値よりも上でないなら、照明負荷3の調光レベルをd段(d=1、2、3・・)かけて徐々にアップする。照明負荷3の調光レベルが調光範囲の上限値よりも上なら、再度、照度センサ1の値のサンプリングを行う。一方、照度センサ1の平均値Aが照度センサ1の目標値Bよりも大きければ、調光範囲の下限値を読み込み、照明負荷3の調光レベルが調光範囲の下限値よりも下でないなら、照明負荷3の調光レベルをd段(d=1、2、3・・)かけて徐々にダウンする。照明負荷3の調光レベルが調光範囲の下限値よりも下なら、再度、照度センサ1の値のサンプリングを行う。以上の様な動作を、照度センサ1の平均値Aと照度センサ1の目標値Bとが同じになるまで繰り返し、被照射面における照度が目標照度となるように照明負荷3の光出力をフィードバック制御する。
【0006】
したがって、上記従来の照明装置X′では、目標照度を設定するための調整モードにおいて照明負荷3の光出力を通常モードよりも早く変化させることにより、目標照度を設定してから実際の照明負荷3の光出力を確認できるまでの時間が短縮できるという利点があった。
【0007】
【発明が解決しようとする課題】
ところで、上述のような照明装置X′を天井に複数台配設してオフィスなどのベース照明に使用する場合、図6に示すように隣り合う照明装置X′の配光H並びに照度センサ1の検出エリアSが一部で重なるため、各照明装置X′の照度センサ1の平均値Aが隣接する他の照明装置X′が具備する照明負荷3からの光出力の影響を受けることになる。
【0008】
例えば、図7に示すように複数台の照明装置X′11〜X′34をほぼ均一にマトリクス状に配置したシステム構成において、全ての照明装置X′11〜X′34で照明負荷3を同じ光出力で点灯させると、他の照明装置X′11…との配光が重なる範囲が広い中央の照明装置X′22,X′23の周囲エリアW1の照度D1が最も高くなり、配光の重なる範囲が狭い周辺の照明装置X′11…の周囲エリアW2,W3の照度D2,D3が低くなる(D3<D2<D1)。また、このシステム構成において、全ての照明装置X′11〜X′34で照度センサ1の平均値Aが目標値B(=α)と一致するように照明負荷3の光出力をフィードバック制御すると、図8に示すように照明装置X′11〜X′34が配置されている範囲W4がほぼ一定の照度αとなり、その外側の範囲W5が若干低い照度β(<α)となる。この場合、他の照明装置X′11…との配光が重なる範囲が広い照明装置(例えば、X′22,X′23)ほど、照明負荷3の光出力のレベルが低くなる。
【0009】
ここで、上記システム構成において一部の範囲の目標照度を変更するために1台の照明装置(例えば、X′22)の目標値Bを変更する場合を考える。目標値Bを変更するために照明装置X′22を調整モードで動作させると、照明装置X′22が具備する照明負荷3の光出力は通常モード時よりも早く変化する。しかしながら、隣接する他の照明装置X′11…は通常モードで動作しているために目標値Bが変更されておらず、調整モードの照明装置X′22が具備する照明負荷3の光出力が変化した分だけ、他の照明装置X′11…では変更されていない目標値Bに一致させるようにゆっくりと自己の照明負荷3の光出力を変化させる。例えば、照明装置X′22における目標値Bが増大方向に変更された場合には、図9(a),(b)に示すように照明装置X′22が具備する照明負荷3の光出力が増加し、これと隣接し通常モードで動作している照明装置X11…では照度センサ1の平均値Aが自己の目標値Bよりも高くなるために照明負荷3の光出力を低下させるような制御が行われる。この結果、同図(c)に示すように目標値Bが調整された照明装置X′22の周囲照度と、目標値Bが調整されなかった照明装置X′11…の周囲照度との均衡が崩れてしまうという問題があった。
【0010】
また、検知エリア内の人の存否を検出する人感センサを上記照明装置X′11…に設け、人感センサで検知エリア内の人の存在が検出されているときには、上述のように照度センサ1の平均値Aを目標値Bと一致させるフィードバック制御を行い、人感センサで検知エリア内の人の存在が検出されなくなれば、照明負荷3の光出力を低下(又は消灯)する制御を行う場合においても、一部の範囲の目標照度を変更する際に下記のような問題が生じる。
【0011】
例えば、図10(a)に示すように検知エリア内にいる人H1,H2が人感センサで検出されることで各照明装置X′1〜X′4の光出力が目標値Bに合わせてフィードバック制御されるようなシステム構成において、同図(b)に示すように2台の照明装置X′3,X′4が人H1,H2の存在を検出して点灯し、他の照明装置X′1,X′2が消灯しているような状況下で、1台の照明装置X′3の目標値Bを変更した場合を考える。このような場合、照明装置X′3は隣の照明装置X′1,X′2が消灯している状態で目標値Bが設定されたため、検知エリア内に人H1が進入して照明装置X′2が照明負荷3を点灯させると、照明装置X′3においては照度センサ1の平均値Aを変更された目標値Bに一致させるべく照明負荷3の光出力を低下させるようにフィードバック制御を行う。その結果、同図(c)に示すように広い範囲における平均照度も低下することになり、また狭い範囲毎の照度差も大きくなるという問題があった。
【0012】
本発明は上記問題に鑑みて為されたものであり、その目的とするところは、一部の照明装置で目標値の設定を行う場合に設定内容の確認が迅速に行えるとともに設定後の不具合の発生が防止できる照明制御システムを提供することにある。
【0013】
【課題を解決するための手段】
請求項1の発明は、上記目的を達成するために、光出力が可変である照明負荷と、被照射面の照度を検出する照度センサと、照度センサの検出値が予め設定された目標値に略一致するように照明負荷の光出力を制御する制御部とを具備する複数台の照明装置を備え、制御部は、照度センサの検出値が目標値に略一致するように照明負荷の光出力を所定の第1の変化時間で徐々に変化させる通常モードと、照明負荷の光出力を設定しようとする目標値に少なくとも所定の維持時間だけ維持する調整モードと、照度センサの検出値が目標値に略一致するように照明負荷の光出力を第1の変化時間よりも短い第2の変化時間で変化させる調整補助モードとを有し、少なくとも隣接して配置された他の1乃至複数の照明装置の制御部が調整モードで動作しているときには調整補助モードで動作することを特徴とし、何れかの照明装置の制御部が調整モードで動作して目標値の設定が行われているときには、少なくとも隣接する他の1乃至複数の照明装置の制御部が調整補助モードで動作して照明負荷の光出力の変化を通常モード時よりも早くしているから、目標値の設定後における他の1乃至複数の照明装置の照明負荷による影響が調整時に迅速に確認できるとともに、設定後の不具合の発生が防止できる。
【0014】
請求項2の発明は、請求項1の発明において、検知エリア内の人の存否を検出する人感センサを照明装置に設け、制御部は、人感センサが人の存在を検出しているときにだけ通常モードで動作することを特徴とし、請求項1の発明と同様の作用を奏する。
【0015】
請求項3の発明は、請求項2の発明において、制御部は、隣接して配置された他の1乃至複数の照明装置の制御部が調整モードで動作しているときには、人感センサが人の存在を検出しているか否かに関わらず調整補助モードで動作することを特徴とし、請求項2の発明の作用に加えて、設定後の不具合の発生がさらに確実に防止できる。
【0019】
【発明の実施の形態】
以下、図面を参照して本発明を実施形態により詳細に説明する。但し、従来の照明装置X′と共通の構成及び動作については同一の符号を付して説明を省略する。
【0020】
本実施形態における照明装置X11…は、図1に示すように、被照射面の照度を検出する照度センサ1と、CPUを主構成要素とする制御部2と、光出力が可変である照明負荷3と、検知エリア内の人の存否を検出する人感センサ4と、従来例で説明した照度センサ1の平均値Aや目標値B並びに保持時間(後述する)などの各種のデータを格納する記憶部5と、赤外線リモコン装置Rとの間で赤外線によるリモコン信号の送受信を行うリモコン信号送受信部6と、信号線Lsを通して他の照明装置Xmnとの間でデータ通信を行う通信部7とを備え、照明空間の天井に配設されるものである。照度センサ1はCdSのような光電変換素子を具備し、被照射面(例えば、床面や机上面など)の照度を検出する。人感センサ4は人体から放射される熱線を検知する焦電素子を具備し、人の動きに応じた熱線量の変化から検知エリア内の人の存否を検出する。但し、人感センサ4の構成はこれに限定する趣旨ではなく、他の方式、例えば超音波センサや振動センサを利用したものであっても良い。記憶部5はEEPROMからなり、電源オフ時にも記憶内容が保持される。また、制御部2はCPUで実行するプログラムに従って動作し、通常モード、調整モード並びに調整補助モードの3種類の動作モードを有する。
【0021】
図2は本実施形態のシステム構成例を示しており、複数台の照明装置Xij(i=1,2,3,4、j=1,2,3,4,5,6)を照明空間にマトリクス状に配設し、この照明空間を各ゾーンZ1〜Z4に6台ずつの照明装置Xijが含まれる4つのゾーンZ1〜Z4に分割するとともに、全ての照明装置Xijを信号線(図示せず)により接続してある。なお、各照明装置Xijの記憶部5には、自己の固有アドレスとともに自己が属するゾーンZ1〜Z4の情報が格納されている。
【0022】
上記システムにおける動作を説明する。例えば、ゾーンZ1の照明装置X11が具備する人感センサ4で人の存在を検出すると、制御部2が人体検出情報(人の存在を検出したことを示す情報)を通信部7から信号線を通して同じゾーンZ1内の他の照明装置X12,X13,X21〜X23に対して送信するとともに、照度センサ1の平均値Aを目標値Bに略一致させるように照明負荷3の光出力をフィードバック制御する。また、上記他の照明装置X12…においては、通信部7で上記人体検出情報を受信すると、制御部2が照度センサ1の平均値Aを目標値Bに略一致させるように照明負荷3の光出力をフィードバック制御する。また、ゾーンZ1内の何れかの照明装置X11…が具備する人感センサ4で人の存在を検出している間は上記フィードバック制御が継続される。そして、ゾーンZ1内の何れの照明装置X11…が具備する人感センサ4でも人の存在を検出しなくなれば、最後に人の存在を検出した照明装置(例えば、X21)の制御部2がその時点から所定の保持時間が経過した時に保持時間終了情報を通信部7から信号線を通して同じゾーンZ1内の他の照明装置X11〜X13,X22,X23に対して送信するとともに、照明負荷3を低い調光レベルを経て消灯させるような制御を行う。また、上記他の照明装置X11…においても、通信部7で上記保持時間終了情報を受信すると、制御部2が照明負荷3を低い調光レベルを経て消灯させるような制御を行う。すなわち、ゾーンZ1内に人が存在する間は比較的に高い調光レベルで照明負荷3がフィードバック制御され、ゾーンZ1内に人が存在しなくなってから所定の保持時間の間は上記調光レベルによる点灯状態を保持し、保持時間経過後に照明負荷3を一定時間だけ低い調光レベルで点灯させてから消灯するというような動作(通常モードの動作)が行われる。
【0023】
次に、他のゾーンZ2〜Z4には人が存在しない状況下でゾーンZ1の照明装置X11…における目標値Bの設定を変更する場合の動作について説明する。
【0024】
まず、赤外線リモコン装置RからゾーンZ1内の何れかの照明装置X11…に赤外線によるリモコン信号で補助点灯命令を送信すると、この補助点灯命令を受信した照明装置(例えば、X21)では、制御部2が他の全ての照明装置Xijに対して補助点灯命令を通信部7から信号線を通して送信する。補助点灯命令を受信した全ての照明装置Xijにおいて、制御部2が所定の維持時間Tにおける動作モードを調整補助モードとし、人感センサ4の検出結果に関係なく照度センサ1の平均値Aが目標値Bに略一致するように照明負荷の光出力を通常モードにおける変化時間t1よりも短い変化時間t2で変化させ、維持時間Tが経過したら通常モードに戻って高い調光レベルでの点灯状態を維持する。そして、ゾーンZ1内の何れかの照明装置X11…に対して、赤外線リモコン装置Rを使って調光設定命令、調光アップ命令又は調光ダウン命令を送信する。例えば、照明装置X11が調光設定命令を受信すると、制御部2が同じゾーンZ1の他の照明装置X12,X13,X21〜X23に対して同じ内容の調光設定命令を送信する。この調光設定命令を受信したゾーンZ1内の全ての照明装置X11…の制御部2は、調光設定命令で指定された調光レベルで照明負荷3を所定の維持時間Tだけ点灯させる。また、照明装置X11が調光アップ命令を受信すると、制御部2が同じゾーンZ1の他の照明装置X12,X13,X21〜X23に対して同じ内容の調光アップ命令を送信する。この調光アップ命令を受信したゾーンZ1内の全ての照明装置X11…の制御部2は、通常モードにおける変化時間t1よりも短い変化時間t2で、受信時の調光レベルから段階的に照明負荷3の光出力をアップさせ、各段階でその調光レベルの点灯状態を所定の維持時間だけ維持する。一方、照明装置X11が調光ダウン命令を受信すると、制御部2が同じゾーンZ1の他の照明装置X12,X13,X21〜X23に対して同じ内容の調光ダウン命令を送信する。この調光ダウン命令を受信したゾーンZ1内の全ての照明装置X11…の制御部2は、通常モードにおける変化時間t1よりも短い変化時間t2で、受信時の調光レベルから段階的に照明負荷3の光出力をダウンさせ、各段階でその調光レベルの点灯状態を所定の維持時間だけ維持する。而して、調光設定命令、調光アップ命令又は調光ダウン命令を受け取ったときには、制御部2は照明負荷3の光出力を上記命令で指示された調光レベルに少なくとも維持時間Tだけ維持する動作モード(調整モード)で動作する。なお、維持時間T内に何れかのゾーンZ1〜Z4の照明装置Xmnにおいて再度リモコン信号送受信部6又は通信部7により補助点灯命令を受信するか、あるいは調光設定命令、調光アップ命令又は調光ダウン命令を受信すると、全てのゾーンZ1〜Z4の全ての照明装置Xmnの制御部2が維持時間Tのカウントをリトリガする。
【0025】
そして、所望の照度となって調整が終了したら、赤外線リモコン装置RからゾーンZ1内の何れかの照明装置X11…に赤外線によるリモコン信号で記憶命令を送信すると、この記憶命令を受信した照明装置(例えば、X11)では、制御部2が他の全てのゾーンZ1〜Z4の照明装置X12…X46に対して記憶命令を通信部7から信号線を通して送信する。この記憶命令を受信したゾーンZ1内の照明装置X11…の制御部2では、その時点での照度センサ1の検出値を目標値Bとして記憶部5に格納した後、照明負荷3の光出力を下限値として記憶命令の受信確認を行ってから動作モードを通常モードに移行する。また、他のゾーンZ2〜Z4の照明装置X14の制御部2は、記憶命令を受信すると調光補助モードから通常モードに動作モードを移行する。なお、目標値Bの調整途中で設定変更動作を中止する場合には、赤外線リモコン装置RからゾーンZ1内の何れかの照明装置X11…に赤外線によるリモコン信号で調整中止命令を送信すると、この調整中止命令を受信した照明装置(例えば、X11)では、制御部2が他の全てのゾーンZ1〜Z4の照明装置X12…X46に対して調整中止命令を通信部7から信号線を通して送信する。この調整中止命令を受信したゾーンZ1内の照明装置X11…の制御部2では、照明負荷3の光出力をその時点のレベルのまま維持する。また、他のゾーンZ2〜Z4の照明装置X14の制御部2は、調整中止命令を受信すると調光補助モードを終了して同様に照明負荷3の光出力をその時点のレベルのまま維持する。
【0026】
このように目標値Bを設定しようとするゾーンZ1の各照明装置X11…を同時に調整モードで動作させるとともに、それ以外の他のゾーンZ2〜Z4の照明装置X14…を調整補助モードで動作させて照度センサ1で検出する被照射面の照度変化に対して照明負荷3の光出力を変化させる変化時間t2を短く(変化速度を早く)しているので、目標値Bの設定後における他のゾーンZ2〜Z4の照明装置X14…の照明負荷3による影響が調整時に迅速に確認できるとともに、実際の使用時における照度に合わせて目標値Bを設定することができ、従来例のような設定後の不具合の発生が防止できる。
【0027】
なお、上記維持時間Tは、目標値Bの調整途中で赤外線リモコン装置Rによる操作を終えてしまったときなどに制御部2の動作モードを調整モードや調整補助モードから通常モードに自動的に復帰させるために設けてあり、調整に要する時間程度に設定される。
【0028】
ところで、本実施形態ではゾーンZ1の照明装置X11…における目標値Bの設定を変更する場合に、他のゾーンZ2〜Z4の全ての照明装置X14…を調整補助モードで動作させるようにしているが、他のゾーンZ2〜Z4の照明装置X14…の中でゾーンZ1に隣接する照明装置X14…だけを調整補助モードで動作させるようにしても良い。また、本実施形態では、補助点灯命令を受信したときに制御部2が通常モードから調整補助モードへ動作モードを変更させているが、システムの何れかの照明装置Xijで赤外線リモコン装置Rから調光設定命令、調光アップ命令又は調光ダウン命令を受信した場合に、他のゾーンZ2〜Z4の照明装置X14における制御部2の動作モードが調整補助モードへ移行するようにしても良い。さらに、本実施形態では制御部2が所定の維持時間Tが経過したら調整補助モードから通常モードに復帰するようにしているが、記憶命令又は調整中止命令を受信するまで調整補助モードで動作するようにしても良い。
【0029】
また、本実施形態では各照明装置Xijに人感センサ4を備えたシステム構成を例示したが、人感センサ4を備えずに照度センサ1によるフィードバック制御のみを行うシステム構成においても、本実施形態で説明した動作とほぼ同様の動作を行って、目標値Bの設定後における他のゾーンZ2〜Z4の照明装置X14…の照明負荷3による影響が調整時に迅速に確認できるとともに、実際の使用時における照度に合わせて目標値Bを設定することができ、従来例のような設定後の不具合の発生が防止できる。なお、本実施形態では各ゾーンZ1〜Z4に複数台の照明装置Xijが属するシステム構成を例示したが、各照明装置Xij毎にゾーンZijを構成するようにしても同様の効果を奏する。また、本実施形態では、複数台の照明装置Xijが信号線で接続されて互いに種々の情報を授受するようなシステム構成を例示したが、このような構成を備えていないシステム構成においても、赤外線リモコン装置Rを使って各照明装置Xijに対して個別に命令を送信することにしても良い。その際、図3に示すように、目標値Bの設定を変更しようとする照明装置X12に対して、赤外線リモコン装置Rからリモコン信号で調光設定命令などの調整命令が送信されるときに、隣接する他の照明装置X11,X13に対して同時に補助点灯命令が送信されるようにすることが望ましい。
【0030】
ところで、本実施形態ではシステムを構成する全ての照明装置Xijが上記フィードバック制御を行っているが、このようなフィードバック制御を行わずに所定の一定レベルで照明負荷を点灯させるような照明装置がシステムに設けられていても良く、このような照明装置では補助点灯モード時にも上記一定レベルで照明負荷を点灯させる。この場合、補助点灯モード時の上記一定レベルは任意のレベル、例えば定格100%の全点灯レベルなどでも良い。
【0031】
また、制御部2の動作モードとして、調整補助モードの代わりに照度センサ1の検出結果と無関係に照明負荷3を所定レベルで点灯させるモード(非検出モード)を有するようにしても同様の効果を奏する。
【0032】
【発明の効果】
請求項1の発明は、光出力が可変である照明負荷と、被照射面の照度を検出する照度センサと、照度センサの検出値が予め設定された目標値に略一致するように照明負荷の光出力を制御する制御部とを具備する複数台の照明装置を備え、制御部は、照度センサの検出値が目標値に略一致するように照明負荷の光出力を所定の第1の変化時間で徐々に変化させる通常モードと、照明負荷の光出力を設定しようとする目標値に少なくとも所定の維持時間だけ維持する調整モードと、照度センサの検出値が目標値に略一致するように照明負荷の光出力を第1の変化時間よりも短い第2の変化時間で変化させる調整補助モードとを有し、少なくとも隣接して配置された他の1乃至複数の照明装置の制御部が調整モードで動作しているときには調整補助モードで動作するので、何れかの照明装置の制御部が調整モードで動作して目標値の設定が行われているときには、少なくとも隣接する他の1乃至複数の照明装置の制御部が調整補助モードで動作して照明負荷の光出力の変化を通常モード時よりも早くしているから、目標値の設定後における他の1乃至複数の照明装置の照明負荷による影響が調整時に迅速に確認できるとともに、設定後の不具合の発生が防止できるという効果がある。
【0033】
請求項2の発明は、検知エリア内の人の存否を検出する人感センサを照明装置に設け、制御部は、人感センサが人の存在を検出しているときにだけ通常モードで動作するので、請求項1の発明と同様の効果を奏する。
【0034】
請求項3の発明は、制御部は、隣接して配置された他の1乃至複数の照明装置の制御部が調整モードで動作しているときには、人感センサが人の存在を検出しているか否かに関わらず調整補助モードで動作するので、請求項2の発明の効果に加えて、設定後の不具合の発生がさらに確実に防止できるという効果がある。
【図面の簡単な説明】
【図1】実施形態を示すブロック図である。
【図2】同上のシステム構成を示す平面図である。
【図3】同上の動作説明図である。
【図4】従来の照明装置を示すブロック図である。
【図5】同上の動作説明図である。
【図6】同上の動作説明図である。
【図7】同上の動作説明図である。
【図8】同上の動作説明図である。
【図9】同上の動作説明図である。
【図10】同上の動作説明図である。
【符号の説明】
1 照度センサ
2 制御部
3 照明負荷
4 人感センサ
5 記憶部
6 リモコン信号送受信部
7 通信部
X 照明装置
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an illumination control system including a plurality of illumination devices that control the light output of an illumination load so as to keep the illuminance of an illuminated surface substantially constant.
[0002]
[Prior art]
The present applicant has already proposed an illumination device that controls (feedback control) the light output of the illumination load so as to keep the illuminance of the irradiated surface substantially constant (see Japanese Patent Laid-Open No. 10-270177).
[0003]
As shown in FIG. 4, the conventional illumination device X ′ described in the above publication detects reflected light on the illuminated surface of the illumination load 3 with the illuminance sensor 1, and outputs the detection output of the illuminance sensor 1 to the control unit 2. To control the light output of the illumination load 3, the illuminance setting switch SW8 switches the illuminance setting, the adjustment mode switch SW9 switches between the normal mode and the adjustment mode, and the dimming range setting SW10 The upper and lower limits of the dimming range of the illumination load 3 are adjusted. Further, the light output (dimming level) of the illumination load 3 changes as shown in FIG.
[0004]
Next, the operation of this conventional example will be briefly described.
[0005]
First, the target illuminance level is set by the illuminance setting switch SW8, and the normal mode or the adjustment mode is confirmed by the adjustment mode switch SW9. In the normal mode, the sampling time T of the illuminance sensor 1 and the light output change time t of the illumination load 3 are lengthened (see FIG. 5), and the light output of the illumination load 3 is slowly changed so as not to be noticed by a person. . Thereby, the light output of the illumination load 3 is prevented from following a sudden change or irregular change in illuminance due to external light or the like. In the adjustment mode, the light output level of the illumination load 3 is adjusted according to the environment, and the detection level of the illuminance sensor 1 when the desired brightness is obtained is stored as the target illuminance, and the desired illuminance is quickly increased. In order to set, the sampling time T and the change time t are shortened, and the light output of the illumination load 3 is changed quickly. The control unit 2 samples the value of the illuminance sensor 1 N times in T seconds to derive the average value A of the illuminance sensor 1, and the average value A of the illuminance sensor 1 and the value of the illuminance sensor 1 corresponding to the target illuminance setting B (hereinafter referred to as a target value B of the illuminance sensor 1) is compared. If the average value A of the illuminance sensor 1 and the target value B of the illuminance sensor 1 are the same, it is determined that the set illuminance has been reached, and the dimming level of the illumination load 3 is not changed. If the average value A of the illuminance sensor 1 is smaller than the target value B of the illuminance sensor 1, the upper limit value of the dimming range is read, and if the dimming level of the lighting load 3 is not higher than the upper limit value of the dimming range, the lighting load The dimming level of 3 is gradually increased over d stages (d = 1, 2, 3,...). If the dimming level of the illumination load 3 is above the upper limit value of the dimming range, the value of the illuminance sensor 1 is sampled again. On the other hand, if the average value A of the illuminance sensor 1 is larger than the target value B of the illuminance sensor 1, the lower limit value of the dimming range is read, and if the dimming level of the illumination load 3 is not lower than the lower limit value of the dimming range. Then, the dimming level of the illumination load 3 is gradually lowered by d stages (d = 1, 2, 3,...). If the dimming level of the illumination load 3 is lower than the lower limit value of the dimming range, the value of the illuminance sensor 1 is sampled again. The above operation is repeated until the average value A of the illuminance sensor 1 and the target value B of the illuminance sensor 1 are the same, and the light output of the illumination load 3 is fed back so that the illuminance on the irradiated surface becomes the target illuminance. Control.
[0006]
Therefore, in the conventional illumination device X ′, the actual illumination load 3 is set after setting the target illuminance by changing the light output of the illumination load 3 earlier than the normal mode in the adjustment mode for setting the target illuminance. There is an advantage that it is possible to shorten the time until the light output can be confirmed.
[0007]
[Problems to be solved by the invention]
Incidentally, when a plurality of illumination devices X ′ as described above are arranged on the ceiling and used for base illumination in an office or the like, the light distribution H of the adjacent illumination devices X ′ and the illuminance sensor 1 as shown in FIG. Since the detection areas S partially overlap, the average value A of the illuminance sensor 1 of each illumination device X ′ is affected by the light output from the illumination load 3 provided in the other illumination device X ′ adjacent thereto.
[0008]
For example, in a system configuration in which a plurality of illumination devices X ′ 11 to X ′ 34 are arranged almost uniformly in a matrix as shown in FIG. 7, the illumination load 3 is the same for all illumination devices X ′ 11 to X ′ 34. When the light output is turned on, the illuminance D1 in the surrounding area W1 of the central illumination devices X ′ 22 and X ′ 23 with a wide range of light distribution with the other illumination devices X ′ 11 . The illuminances D2 and D3 of the surrounding areas W2 and W3 of the surrounding illumination devices X ′ 11 ... Having a narrow overlapping range are reduced (D3 <D2 <D1). In this system configuration, when the light output of the illumination load 3 is feedback-controlled so that the average value A of the illuminance sensor 1 coincides with the target value B (= α) in all the illumination devices X ′ 11 to X ′ 34 , As shown in FIG. 8, the range W4 in which the illuminating devices X ′ 11 to X ′ 34 are arranged has a substantially constant illuminance α, and the outer range W5 has a slightly lower illuminance β (<α). In this case, the light output level of the illumination load 3 becomes lower as the illumination device (for example, X ′ 22 , X ′ 23 ) having a wider range of light distribution with the other illumination devices X ′ 11 .
[0009]
Here, consider a case where the target value B of one illuminating device (for example, X ′ 22 ) is changed in order to change the target illuminance in a part of the range in the system configuration. When the lighting device X ′ 22 is operated in the adjustment mode in order to change the target value B, the light output of the lighting load 3 included in the lighting device X ′ 22 changes faster than in the normal mode. However, since the other adjacent lighting devices X ′ 11 ... Operate in the normal mode, the target value B is not changed, and the light output of the lighting load 3 included in the lighting device X ′ 22 in the adjustment mode is The light output of its own lighting load 3 is slowly changed so as to coincide with the target value B that has not been changed by the other lighting devices X ′ 11 . For example, when the target value B in the illumination device X ′ 22 is changed in the increasing direction, the light output of the illumination load 3 included in the illumination device X ′ 22 is changed as shown in FIGS. In the illuminating device X 11 ... That increases and is operating in the normal mode, the average value A of the illuminance sensor 1 is higher than the target value B of itself, so that the light output of the illumination load 3 is reduced. Control is performed. As a result, as shown in FIG. 6C, the balance between the ambient illuminance of the illuminating device X ′ 22 whose target value B is adjusted and the illuminance of the illuminating devices X ′ 11 . There was a problem that it collapsed.
[0010]
In addition, a human sensor for detecting the presence / absence of a person in the detection area is provided in the illumination device X ′ 11 ... And the illuminance sensor is used as described above when the human sensor detects the presence of the person in the detection area. The feedback control is performed to match the average value A of 1 with the target value B, and if the presence of a person in the detection area is not detected by the human sensor, the light output of the illumination load 3 is reduced (or turned off). Even in this case, the following problems occur when changing the target illuminance in a certain range.
[0011]
For example, as shown in FIG. 10A, the human outputs H1 and H2 in the detection area are detected by the human sensor, so that the light output of each of the lighting devices X ′ 1 to X ′ 4 matches the target value B. In the system configuration in which feedback control is performed, as shown in FIG. 5B, the two lighting devices X ′ 3 and X ′ 4 are turned on by detecting the presence of the persons H1 and H2, and the other lighting devices X Consider a case where the target value B of one illuminating device X ′ 3 is changed under the condition that ′ 1 and X ′ 2 are turned off. In such a case, since the target value B is set for the illumination device X ′ 3 in a state where the adjacent illumination devices X ′ 1 and X ′ 2 are turned off, the person H1 enters the detection area and the illumination device X ′ When ' 2 turns on the lighting load 3, the lighting device X' 3 performs feedback control so as to reduce the light output of the lighting load 3 so that the average value A of the illuminance sensor 1 matches the changed target value B. Do. As a result, there is a problem that the average illuminance in a wide range also decreases as shown in FIG.
[0012]
The present invention has been made in view of the above problems, and the object of the present invention is to quickly confirm the setting contents when setting the target value with some lighting devices and to solve the problem after setting. An object of the present invention is to provide a lighting control system that can prevent generation.
[0013]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is directed to an illumination load whose light output is variable, an illuminance sensor for detecting the illuminance of the irradiated surface, and a detection value of the illuminance sensor set to a preset target value. A plurality of lighting devices including a control unit that controls the light output of the lighting load so as to substantially match, and the control unit outputs the light output of the lighting load so that the detection value of the illuminance sensor substantially matches the target value. A normal mode in which the light output is gradually changed at a predetermined first change time, an adjustment mode in which the light output of the illumination load is set to a target value to be set for at least a predetermined maintenance time, and a detection value of the illuminance sensor is a target value And an adjustment auxiliary mode for changing the light output of the illumination load at a second change time shorter than the first change time so as to substantially match the other, and at least one other illumination arranged adjacent to each other The control unit of the device operates in the adjustment mode. When the control unit of any of the lighting devices operates in the adjustment mode and the target value is set, at least one of the other one or more adjacent ones is operated. Since the controller of the lighting device operates in the adjustment assist mode to change the light output of the lighting load faster than in the normal mode, it depends on the lighting load of one or more other lighting devices after setting the target value. The effect can be confirmed quickly at the time of adjustment, and the occurrence of problems after setting can be prevented.
[0014]
According to a second aspect of the present invention, in the first aspect of the present invention, when the lighting device is provided with a human sensor that detects the presence or absence of a person in the detection area, the control unit detects the presence of the person. Only in the normal mode, and has the same effect as that of the first aspect of the invention.
[0015]
According to a third aspect of the present invention, in the second aspect of the present invention, when the control unit of one or more other lighting devices arranged adjacent to each other is operating in the adjustment mode, the human sensor is a person. In addition to the operation of the invention of claim 2 , it is possible to more reliably prevent the occurrence of defects after setting regardless of whether or not the presence of the noise is detected .
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings. However, configurations and operations that are common to the conventional illumination device X ′ are denoted by the same reference numerals, and description thereof is omitted.
[0020]
As shown in FIG. 1, the illuminating device X 11 in the present embodiment includes an illuminance sensor 1 that detects the illuminance of a surface to be irradiated, a control unit 2 having a CPU as a main component, and an illumination whose light output is variable. Various data such as the load 3, the human sensor 4 for detecting the presence or absence of a person in the detection area, and the average value A, the target value B, and the holding time (described later) of the illuminance sensor 1 described in the conventional example are stored. A remote control signal transmitting / receiving unit 6 that transmits and receives infrared remote control signals between the storage unit 5 and the infrared remote control device R, and a communication unit 7 that performs data communication with other illumination devices Xmn through the signal line Ls. And disposed on the ceiling of the lighting space. The illuminance sensor 1 includes a photoelectric conversion element such as CdS, and detects the illuminance of an irradiated surface (for example, a floor surface or a desk surface). The human sensor 4 includes a pyroelectric element that detects heat rays radiated from a human body, and detects the presence or absence of a person in the detection area from a change in heat dose according to the movement of the person. However, the configuration of the human sensor 4 is not limited to this, and other methods such as an ultrasonic sensor or a vibration sensor may be used. The storage unit 5 is composed of an EEPROM, and the stored contents are retained even when the power is turned off. The control unit 2 operates in accordance with a program executed by the CPU, and has three types of operation modes: a normal mode, an adjustment mode, and an adjustment assist mode.
[0021]
FIG. 2 shows a system configuration example of the present embodiment, and a plurality of lighting devices Xij (i = 1, 2, 3, 4, j = 1, 2, 3, 4, 5, 6) are used in the lighting space. Arranged in a matrix, this illumination space is divided into four zones Z1 to Z4 including six illumination devices Xij in each zone Z1 to Z4, and all illumination devices Xij are connected to signal lines (not shown). ). The storage unit 5 of each lighting device Xij stores information on the zones Z1 to Z4 to which it belongs together with its own unique address.
[0022]
The operation in the above system will be described. For example, upon detecting the presence of a person in the human sensor 4 lighting device X 11 zone Z1 is provided, the signal line control unit 2 of the human body detection information (information indicating the detection of the presence of a person) from the communication unit 7 To the other lighting devices X 12 , X 13 , X 21 to X 23 in the same zone Z 1, and the light of the illumination load 3 so that the average value A of the illuminance sensor 1 substantially matches the target value B. Feedback control of output. In the above other illuminating devices X 12 ... is a communication unit 7 receives the human body detection information, the control unit 2 of the lighting load 3 so as to substantially coincide the average value A of the illuminance sensor 1 on the target value B Feedback control of light output. Further, the feedback control is continued while the presence sensor 4 is detected by the human sensor 4 included in any of the lighting devices X 11 in the zone Z1. If the presence sensor 4 included in any of the lighting devices X 11 in the zone Z1 does not detect the presence of a person, the control unit 2 of the lighting device (for example, X 21 ) that finally detects the presence of the person. When a predetermined holding time has elapsed from that point, the holding time end information is transmitted from the communication unit 7 to the other lighting devices X 11 to X 13 , X 22 , X 23 in the same zone Z1 through the signal line. Then, the lighting load 3 is controlled to be turned off through a low dimming level. Also, in the other illumination devices X 11 ..., When the communication unit 7 receives the holding time end information, the control unit 2 performs control to turn off the illumination load 3 through a low dimming level. That is, the illumination load 3 is feedback-controlled at a relatively high dimming level while a person is present in the zone Z1, and the dimming level is maintained for a predetermined holding time after the person no longer exists in the zone Z1. An operation (normal mode operation) is performed in which the lighting state is maintained and the lighting load 3 is turned on at a low dimming level for a predetermined time and then turned off after the holding time has elapsed.
[0023]
Next, an operation in the case where the setting of the target value B in the illumination devices X 11 in the zone Z1 is changed in a situation where no person exists in the other zones Z2 to Z4 will be described.
[0024]
First, when an auxiliary lighting command is transmitted from the infrared remote control device R to any of the lighting devices X 11 in the zone Z1 by an infrared remote control signal, the lighting device (for example, X 21 ) that has received the auxiliary lighting command controls the lighting device X 11 . The unit 2 transmits an auxiliary lighting command to all other lighting devices Xij from the communication unit 7 through the signal line. In all the lighting devices Xij that have received the auxiliary lighting command, the control unit 2 sets the operation mode at the predetermined maintenance time T as the adjustment auxiliary mode, and the average value A of the illuminance sensor 1 is the target regardless of the detection result of the human sensor 4. The light output of the illumination load is changed at a change time t2 shorter than the change time t1 in the normal mode so as to substantially match the value B, and when the maintenance time T elapses, the normal mode is returned and the lighting state at a high dimming level is changed. maintain. Then, a dimming setting command, dimming up command, or dimming down command is transmitted to any of the lighting devices X 11 in the zone Z1 using the infrared remote control device R. For example, transmitting the illumination device X 11 receives the dimming setting command, another illumination device X 12 of the control unit 2 is the same zone Z1, X 13, X 21 ~X dimming same content to 23 set instruction To do. The control units 2 of all the lighting devices X 11 in the zone Z1 that have received this dimming setting command turn on the lighting load 3 for a predetermined maintenance time T at the dimming level specified by the dimming setting command. The transmission when the illumination device X 11 receives a dimming-up instruction, another illumination device X 12 of the control unit 2 is the same zone Z1, X 13, X 21 ~X 23 against the dimming-up instruction with the same content To do. The control units 2 of all the illumination devices X 11 ... In the zone Z1 that have received this dimming up command illuminate stepwise from the dimming level at the time of reception with a change time t2 shorter than the change time t1 in the normal mode. The light output of the load 3 is increased, and the lighting state at the dimming level is maintained for a predetermined maintenance time at each stage. On the other hand, when the illumination device X 11 receives a dimming down command, another illumination device X 12 of the control unit 2 is the same zone Z1, X 13, X 21 ~X 23 against the dimming down command with the same content transmitted To do. The control units 2 of all the illuminating devices X 11 in the zone Z1 that have received this dimming down command illuminate stepwise from the dimming level at the time of reception at a change time t2 that is shorter than the change time t1 in the normal mode. The light output of the load 3 is lowered, and the lighting state at the dimming level is maintained for a predetermined maintenance time at each stage. Thus, when the dimming setting command, dimming up command or dimming down command is received, the control unit 2 maintains the light output of the lighting load 3 at the dimming level indicated by the command for at least the maintenance time T. It operates in the operation mode (adjustment mode). Note that the auxiliary lighting command is received again by the remote control signal transmission / reception unit 6 or the communication unit 7 in the lighting device Xmn in any of the zones Z1 to Z4 within the maintenance time T, or the dimming setting command, dimming up command or dimming When the light down command is received, the control units 2 of all the illumination devices Xmn in all the zones Z1 to Z4 retrigger the count of the maintenance time T.
[0025]
Then, when the adjustment is completed with the desired illuminance, when the storage command is transmitted from the infrared remote control device R to any one of the lighting devices X 11 in the zone Z1 by the infrared remote control signal, the lighting device that has received the storage command In (for example, X 11 ), the control unit 2 transmits a storage command from the communication unit 7 through the signal line to the illumination devices X 12 ... X 46 in all the other zones Z1 to Z4. The control unit 2 of the lighting device X 11 in the zone Z1 that has received this storage command stores the detected value of the illuminance sensor 1 at that time as the target value B in the storage unit 5, and then the light output of the lighting load 3 After confirming receipt of the storage command with the value as the lower limit, the operation mode is shifted to the normal mode. The control unit 2 of the illumination device X 14 of the other zones Z2~Z4 shifts the operation mode to the normal mode when receiving a storage instruction from the dimming auxiliary mode. When the setting change operation is canceled during the adjustment of the target value B, an adjustment stop command is transmitted from the infrared remote control device R to any one of the illumination devices X 11 in the zone Z1 using an infrared remote control signal. through illumination device which has received the adjustment stop command (e.g., X 11) in the signal line adjustment stop command from the communication unit 7 control unit 2 to the illumination device X 12 ... X 46 of all other zones Z1~Z4 Send. In the control unit 2 of the lighting devices X 11 in the zone Z1 that has received this adjustment stop command, the light output of the lighting load 3 is maintained at the current level. The control unit 2 of the illumination device X 14 of the other zones Z2~Z4 maintains similarly light output of the lighting load 3 to exit the incoming When dimming assist mode adjustment stop command remains level at that point in time .
[0026]
In this way, the respective illumination devices X 11 in the zone Z1 to set the target value B are simultaneously operated in the adjustment mode, and the other illumination devices X 14 in other zones Z2 to Z4 are operated in the adjustment assist mode. Since the change time t2 for changing the light output of the illumination load 3 with respect to the change in illuminance of the irradiated surface detected by the illuminance sensor 1 is shortened (change speed is increased), the other after the target value B is set The effects of the illumination load 3 of the illumination devices X 14 in the zones Z2 to Z4 can be quickly confirmed at the time of adjustment, and the target value B can be set according to the illuminance at the time of actual use. Occurrence of problems after setting can be prevented.
[0027]
The maintenance time T is automatically returned from the adjustment mode or the auxiliary adjustment mode to the normal mode when the operation by the infrared remote control device R is finished while the target value B is being adjusted. The time is set to about the time required for adjustment.
[0028]
By the way, in this embodiment, when changing the setting of the target value B in the illuminating devices X 11 in the zone Z1, all the illuminating devices X 14 in the other zones Z2 to Z4 are operated in the adjustment assist mode. However, among the illumination devices X 14 in the other zones Z2 to Z4, only the illumination devices X 14 adjacent to the zone Z1 may be operated in the adjustment assist mode. In this embodiment, when the auxiliary lighting command is received, the control unit 2 changes the operation mode from the normal mode to the adjustment auxiliary mode. light setting instruction, when receiving a dimming-up instruction or dimming down command, the operation mode of the control unit 2 in the lighting device X 14 of the other zones Z2~Z4 may be shifted to adjust the auxiliary mode. Further, in the present embodiment, the control unit 2 returns from the adjustment assist mode to the normal mode when the predetermined maintenance time T elapses, but operates in the adjustment assist mode until a storage command or an adjustment stop command is received. Anyway.
[0029]
Further, in the present embodiment, the system configuration in which each illumination device Xij is provided with the human sensor 4 is exemplified, but the present embodiment is also provided in a system configuration in which only the illuminance sensor 1 performs feedback control without including the human sensor 4. The operation similar to the operation described in the above is performed, and the influence of the illumination load 3 of the illumination devices X 14 in the other zones Z2 to Z4 after the setting of the target value B can be quickly confirmed at the time of adjustment, and the actual use The target value B can be set according to the illuminance at the time, and the occurrence of problems after setting as in the conventional example can be prevented. In the present embodiment, a system configuration in which a plurality of lighting devices Xij belong to each of the zones Z1 to Z4 is illustrated, but the same effect can be obtained even if the zone Zij is configured for each lighting device Xij. Further, in the present embodiment, a system configuration in which a plurality of lighting devices Xij are connected by signal lines and exchange various information with each other is illustrated. However, in a system configuration that does not include such a configuration, an infrared ray is also provided. A command may be individually transmitted to each illumination device Xij using the remote control device R. At this time, as shown in FIG. 3, the illumination device X 12 to try to change the setting of the target value B, and when the adjustment command is sent, such as an infrared remote control device R from the remote control signal at the dimming setting command It is desirable that the auxiliary lighting command is transmitted simultaneously to the other adjacent lighting devices X 11 and X 13 .
[0030]
By the way, in this embodiment, all the illuminating devices Xij constituting the system perform the feedback control. However, an illuminating device that turns on the illumination load at a predetermined constant level without performing such feedback control is a system. In such an illuminating device, the illumination load is lit at the constant level even in the auxiliary lighting mode. In this case, the fixed level in the auxiliary lighting mode may be an arbitrary level, for example, a total lighting level with a rating of 100%.
[0031]
Further, the same effect can be obtained even when the operation mode of the control unit 2 has a mode (non-detection mode) for lighting the illumination load 3 at a predetermined level regardless of the detection result of the illuminance sensor 1 instead of the adjustment assist mode. Play.
[0032]
【The invention's effect】
According to the first aspect of the present invention, there is provided an illumination load having a variable light output, an illuminance sensor for detecting the illuminance of the irradiated surface, and the illumination load so that a detection value of the illuminance sensor substantially matches a preset target value. A plurality of lighting devices including a control unit that controls the light output, and the control unit changes the light output of the lighting load to a predetermined first change time so that the detection value of the illuminance sensor substantially matches the target value. The normal mode that gradually changes in, the adjustment mode that maintains the light output of the lighting load to the target value that is to be set for at least the predetermined maintenance time, and the lighting load so that the detected value of the illuminance sensor substantially matches the target value And an adjustment auxiliary mode for changing the light output at a second change time shorter than the first change time, and at least the control units of one or more other lighting devices arranged adjacent to each other are in the adjustment mode. Adjustment aid when operating Therefore, when the control unit of any lighting device operates in the adjustment mode and the target value is set, at least the control unit of one or more adjacent lighting devices assists in adjustment. Since the change in the light output of the lighting load is made faster than in the normal mode by operating in the mode, the influence of the lighting load of one or more other lighting devices after setting the target value can be quickly confirmed at the time of adjustment. In addition, there is an effect that it is possible to prevent the occurrence of problems after setting.
[0033]
According to a second aspect of the present invention, the lighting device is provided with a human sensor for detecting the presence or absence of a person in the detection area, and the control unit operates in the normal mode only when the human sensor detects the presence of the person. Therefore, the same effect as in the first aspect of the invention can be obtained.
[0034]
According to a third aspect of the present invention, the control unit detects the presence of a person when the control unit of one or more other lighting devices arranged adjacent to each other is operating in the adjustment mode. Regardless of whether or not it is operated in the adjustment assist mode, in addition to the effect of the invention of claim 2 , there is an effect that the occurrence of a defect after setting can be prevented more reliably .
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an embodiment.
FIG. 2 is a plan view showing the system configuration of the above.
FIG. 3 is an operation explanatory diagram of the above.
FIG. 4 is a block diagram showing a conventional lighting device.
FIG. 5 is an operation explanatory view of the above.
FIG. 6 is an operation explanatory view of the above.
FIG. 7 is an operation explanatory diagram of the above.
FIG. 8 is an operation explanatory view of the above.
FIG. 9 is an operation explanatory view of the above.
FIG. 10 is an operation explanatory diagram of the above.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Illuminance sensor 2 Control part 3 Illumination load 4 Human sensor 5 Memory | storage part 6 Remote control signal transmission / reception part 7 Communication part X Illumination device

Claims (3)

光出力が可変である照明負荷と、被照射面の照度を検出する照度センサと、照度センサの検出値が予め設定された目標値に略一致するように照明負荷の光出力を制御する制御部とを具備する複数台の照明装置を備え、制御部は、照度センサの検出値が目標値に略一致するように照明負荷の光出力を所定の第1の変化時間で徐々に変化させる通常モードと、照明負荷の光出力を設定しようとする目標値に少なくとも所定の維持時間だけ維持する調整モードと、照度センサの検出値が目標値に略一致するように照明負荷の光出力を第1の変化時間よりも短い第2の変化時間で変化させる調整補助モードとを有し、少なくとも隣接して配置された他の1乃至複数の照明装置の制御部が調整モードで動作しているときには調整補助モードで動作することを特徴とする照明制御システム。  An illumination load whose light output is variable, an illuminance sensor that detects the illuminance of the irradiated surface, and a control unit that controls the light output of the illumination load so that the detection value of the illuminance sensor substantially matches a preset target value A normal mode in which the control unit gradually changes the light output of the illumination load at a predetermined first change time so that the detection value of the illuminance sensor substantially matches the target value. The adjustment mode for maintaining the light output of the illumination load at the target value to be set for at least a predetermined maintenance time, and the light output of the illumination load to the first value so that the detection value of the illuminance sensor substantially matches the target value. An adjustment assist mode that changes at a second change time that is shorter than the change time, and at least the control unit of one or more other lighting devices arranged adjacent to each other operates in the adjustment mode. To operate in mode Lighting control system according to claim. 検知エリア内の人の存否を検出する人感センサを照明装置に設け、制御部は、人感センサが人の存在を検出しているときにだけ通常モードで動作することを特徴とする請求項1記載の照明制御システム。 A human sensor for detecting the presence or absence of a person in the detection area is provided in the lighting device, and the control unit operates in a normal mode only when the human sensor detects the presence of a person. The lighting control system according to 1. 制御部は、隣接して配置された他の1乃至複数の照明装置の制御部が調整モードで動作しているときには、人感センサが人の存在を検出しているか否かに関わらず調整補助モードで動作することを特徴とする請求項2記載の照明制御システム When the control unit of one or more other lighting devices arranged adjacent to each other operates in the adjustment mode, the control unit assists adjustment regardless of whether or not the human sensor detects the presence of a person. The lighting control system according to claim 2, wherein the lighting control system operates in a mode .
JP15311599A 1999-05-31 1999-05-31 Lighting control system Expired - Fee Related JP3728978B2 (en)

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JP2011091053A (en) * 2010-12-03 2011-05-06 Toshiba Lighting & Technology Corp Guide light device
KR102015010B1 (en) * 2017-02-16 2019-08-27 빛생활연구소 주식회사 System for detecting abnormality of lighting group
CN113316296A (en) * 2021-05-12 2021-08-27 深圳市微筑科技有限公司 Ambient brightness adjusting method, electric lamp control device, electric lamp and readable storage medium

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