JP2018190629A - Lighting device and lighting system - Google Patents

Lighting device and lighting system Download PDF

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JP2018190629A
JP2018190629A JP2017093128A JP2017093128A JP2018190629A JP 2018190629 A JP2018190629 A JP 2018190629A JP 2017093128 A JP2017093128 A JP 2017093128A JP 2017093128 A JP2017093128 A JP 2017093128A JP 2018190629 A JP2018190629 A JP 2018190629A
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electric field
field strength
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illumination
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JP7012456B2 (en
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遠藤 弘明
Hiroaki Endo
弘明 遠藤
正裕 石原
Masahiro Ishihara
正裕 石原
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Mitsubishi Electric Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a lighting device capable of presenting the occurrence state of disturbing waves or noise to a user.SOLUTION: A lighting device 2 according to the present invention includes: a communication unit 22 capable of radio communication; an electric field strength measuring unit 21 for measuring received electric field strength of a radio channel available to the communication unit 22; and a light source 24 for emitting light in a light emitting mode suitable for the received electric field strength.SELECTED DRAWING: Figure 1

Description

本発明は、無線通信機能を有する照明装置および照明システムに関する。   The present invention relates to a lighting device and a lighting system having a wireless communication function.

オフィスビルなどに導入される照明システムでは、照明制御装置が複数台の照明装置を制御する。近年、設置作業の簡便性などの理由から、照明制御装置と照明装置との間の情報のやりとりが無線通信により行われる照明システムが増加している。   In a lighting system introduced in an office building or the like, a lighting control device controls a plurality of lighting devices. In recent years, an illumination system in which information is exchanged between the illumination control device and the illumination device by wireless communication is increasing for reasons such as simplicity of installation work.

一般に無線通信は、他の無線システムの通信による妨害波、インバータを使用した機器をはじめとした電気機器によるノイズなどによる影響を受けることがある。このため、無線通信を用いる各種のシステムでは、これらの影響の少ない適切な無線通信チャネルを用いる、または、妨害波の発生源およびノイズ源を取り除くといった作業が必要となる。妨害波の発生源およびノイズ源を取り除くためには、これらの位置を把握する必要がある。   In general, wireless communication may be affected by interference waves caused by communication of other wireless systems, noise caused by electrical equipment such as equipment using an inverter, and the like. For this reason, in various systems using wireless communication, it is necessary to use an appropriate wireless communication channel with less influence, or to remove a source of interference waves and a noise source. In order to remove the source of the interference wave and the noise source, it is necessary to grasp these positions.

特許文献1には、各無線端末A、B、Cから送信されてくる通信状態の測定結果を集計して総合的判断により良好な通信チャネルを決定する技術が開示されている。特許文献1に記載の技術によれば、各無線端末A、B、Cの周辺において妨害波の発生源またはノイズ源となるものがあるか否かはわかり、妨害波およびノイズの少ないチャネルを選択することができる。   Japanese Patent Application Laid-Open No. 2004-228561 discloses a technique for totaling communication state measurement results transmitted from the wireless terminals A, B, and C and determining a good communication channel by comprehensive judgment. According to the technique described in Patent Document 1, it can be determined whether there is a source of interference wave or noise source around each wireless terminal A, B, C, and a channel with less interference wave and noise is selected. can do.

特開2006−186916号公報JP 2006-186916 A

しかしながら、妨害波の発生源およびノイズ源の影響のないチャネルが必ず存在するとは限らない。このような場合には、妨害波の発生源またはノイズ源を取り除くことが望ましい。しかしながら、上記従来の技術では、各照明装置における妨害波またはノイズの発生状況がわからないため、どの照明装置の近くに妨害波の発生源およびノイズ源があるかはわからない。すなわち、妨害波の発生源およびノイズ源の位置がわからないため、妨害波の発生源およびノイズ源を取り除くことが困難となる。   However, there is not always a channel that is not affected by the source of the interference wave and the noise source. In such a case, it is desirable to remove the source of the interference wave or the noise source. However, since the conventional technology does not know the state of occurrence of the interference wave or noise in each lighting device, it is not known which lighting device is near the source of the interference wave and the noise source. That is, since the positions of the interference wave generation source and the noise source are unknown, it is difficult to remove the interference wave generation source and the noise source.

本発明は、上記に鑑みてなされたものであって、妨害波またはノイズの発生状況をユーザに提示することができる照明装置を得ることを目的とする。   This invention is made | formed in view of the above, Comprising: It aims at obtaining the illuminating device which can show a user the generating condition of an interference wave or noise.

上述した課題を解決し、目的を達成するために、本発明は、無線通信を行うことが可能な通信部と、通信部において使用可能な無線チャネルの受信電界強度を測定する電界強度測定部と、受信電界強度に応じた発光態様で発光する光源と、を備える。   In order to solve the above-described problems and achieve the object, the present invention provides a communication unit capable of performing wireless communication, and an electric field strength measuring unit that measures a received electric field strength of a wireless channel usable in the communication unit. And a light source that emits light in a light emission mode corresponding to the received electric field intensity.

本発明にかかる照明装置は、妨害波またはノイズの発生状況をユーザに提示することができるという効果を奏する。   The illuminating device according to the present invention has an effect of being able to present to the user the occurrence of interference waves or noise.

実施の形態にかかる照明システムの構成例を示す図The figure which shows the structural example of the illumination system concerning embodiment 無線チャネルの決定手順の一例を示すフローチャートA flowchart showing an example of a procedure for determining a radio channel 電界強度測定処理の一例を示すチャート図Chart showing an example of electric field strength measurement processing 受信電界強度に応じた光源の光度の一例を示す図The figure which shows an example of the luminous intensity of the light source according to received electric field strength ステップS2で測定結果がOKと判定される場合の各照明装置の光度を示す図The figure which shows the luminous intensity of each illuminating device when a measurement result is determined with OK by step S2. ステップS2で測定結果がOKでないと判定される場合の各照明装置の光度を示す図The figure which shows the luminous intensity of each illuminating device when it determines with a measurement result not being OK in step S2. 電界強度取得指令を受信できない照明装置が存在する場合の照明装置の光度を示す図The figure which shows the luminous intensity of an illuminating device when the illuminating device which cannot receive an electric field strength acquisition command exists

以下に、本発明の実施の形態にかかる照明装置および照明システムを図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではない。   Hereinafter, a lighting device and a lighting system according to embodiments of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

実施の形態.
図1は、本発明の実施の形態にかかる照明システムの構成例を示す図である。図1に示すように、実施の形態の照明システムは、照明制御装置1、照明装置2−1〜2−3およびリモートコントローラ(以下リモコンと略す)3を備える。以下、照明装置2−1〜2−3を区別せずに示すときは照明装置2と記載する。図1では、照明装置2の台数を3台としているが、照明装置2の数は3台に限定されず、複数台であればよい。
Embodiment.
FIG. 1 is a diagram illustrating a configuration example of an illumination system according to an embodiment of the present invention. As shown in FIG. 1, the illumination system according to the embodiment includes an illumination control device 1, illumination devices 2-1 to 2-3, and a remote controller (hereinafter abbreviated as a remote controller) 3. Hereinafter, when the illumination devices 2-1 to 2-3 are shown without being distinguished, they are referred to as illumination devices 2. In FIG. 1, the number of lighting devices 2 is three, but the number of lighting devices 2 is not limited to three and may be a plurality.

照明制御装置1は、通信部11および制御部12を備える。通信部11は、リモコン3と通信可能であるとともに、照明装置2−1〜2−3と通信可能である。照明制御装置1とリモコン3との間の通信回線は、有線回線であっても無線回線であってもよい。すなわち、通信部11は、リモコン3と無線通信を行うことが可能であってもよく有線通信を行うことが可能であってもよい。照明制御装置1と照明装置2−1〜2−3との間の通信回線は無線回線である。すなわち、通信部11は、照明装置2−1〜2−3と無線通信を行うことが可能である。   The illumination control device 1 includes a communication unit 11 and a control unit 12. The communication unit 11 can communicate with the remote controller 3 and can communicate with the illumination devices 2-1 to 2-3. The communication line between the lighting control device 1 and the remote controller 3 may be a wired line or a wireless line. That is, the communication unit 11 may be able to perform wireless communication with the remote controller 3 or may be able to perform wired communication. A communication line between the lighting control device 1 and the lighting devices 2-1 to 2-3 is a wireless line. That is, the communication unit 11 can perform wireless communication with the lighting devices 2-1 to 2-3.

通信部11は、例えば、Wi−Fi(登録商標)、ZigBee(登録商標)といった通信規格に従った通信を行う通信回路により実現される。通信部11が、リモコン3との間で用いる通信方式と、照明装置2との間で用いる通信方式とは、同じであってもよいし異なっていてもよい。   The communication unit 11 is realized by a communication circuit that performs communication in accordance with a communication standard such as Wi-Fi (registered trademark) or ZigBee (registered trademark). The communication method used by the communication unit 11 with the remote controller 3 and the communication method used with the lighting device 2 may be the same or different.

制御部12は、通信部11を介してリモコン3から受信した信号に応じて、照明装置2へ送信する制御信号を生成し、通信部11を介して制御信号を照明装置2へ送信する。制御部は、例えば、CPU(Central Processing Unit)、ROM(Read Only Memory)およびRAM(Random Access Memory)により構成される。   The control unit 12 generates a control signal to be transmitted to the lighting device 2 according to the signal received from the remote controller 3 via the communication unit 11, and transmits the control signal to the lighting device 2 via the communication unit 11. The control unit includes, for example, a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory).

リモコン3は、通信部31、制御部32およびユーザインタフェース部33を備える。通信部31は、照明制御装置1と通信可能である。通信部31は、例えば、Wi−Fi(登録商標)、ZigBee(登録商標)といった通信規格に従った通信を行う通信回路により実現される。   The remote control 3 includes a communication unit 31, a control unit 32, and a user interface unit 33. The communication unit 31 can communicate with the illumination control device 1. The communication unit 31 is realized by a communication circuit that performs communication in accordance with a communication standard such as Wi-Fi (registered trademark) or ZigBee (registered trademark).

ユーザインタフェース部33は、ユーザからの操作情報の入力を受け付ける。ユーザインタフェース部33は、例えば、押しボタン、スイッチなどの入力手段と、液晶モニタ、ディスプレイなどの表示手段により実現される。ユーザインタフェース部33は、入力手段と表示手段とが一体化されたタッチパネルなどにより実現されてもよい。   The user interface unit 33 receives input of operation information from the user. The user interface unit 33 is realized by input means such as push buttons and switches and display means such as a liquid crystal monitor and a display, for example. The user interface unit 33 may be realized by a touch panel in which an input unit and a display unit are integrated.

制御部32は、ユーザインタフェース部33が受け付けた操作情報の内容に応じて、照明制御装置1へ送信する制御信号を生成し、制御信号を、通信部31を介して照明制御装置1に送信する。制御部32は、例えば、CPU、ROMおよびRAMにより構成される。   The control unit 32 generates a control signal to be transmitted to the lighting control device 1 according to the content of the operation information received by the user interface unit 33, and transmits the control signal to the lighting control device 1 through the communication unit 31. . The control part 32 is comprised by CPU, ROM, and RAM, for example.

照明装置2は、例えば、天井に取り付けるLED(Light Emitting Diode)照明装置である。照明装置2は、電界強度測定部21、通信部22、制御部23および光源24を備える。   The illumination device 2 is, for example, an LED (Light Emitting Diode) illumination device that is attached to the ceiling. The illumination device 2 includes an electric field intensity measurement unit 21, a communication unit 22, a control unit 23, and a light source 24.

電界強度測定部21は、受信した電波の電界強度すなわち受信電界強度を測定する。具体的には、通信部22において使用可能な無線チャネルの受信電界強度を測定する。通信部22は、照明制御装置1と通信可能である。通信部22は、例えば、Wi−Fi(登録商標)、ZigBee(登録商標)といった通信規格に従った通信を行う通信回路により実現される。通信回路は、一般に受信した電波の電界強度を測定する機能を有しており、電界強度測定部21はこの機能により実現される。すなわち、電界強度測定部21および通信部22は、通信回路により実現される。   The electric field strength measuring unit 21 measures the electric field strength of the received radio wave, that is, the received electric field strength. Specifically, the received electric field strength of a wireless channel that can be used in the communication unit 22 is measured. The communication unit 22 can communicate with the lighting control device 1. The communication unit 22 is realized by a communication circuit that performs communication according to a communication standard such as Wi-Fi (registered trademark) or ZigBee (registered trademark). The communication circuit generally has a function of measuring the electric field strength of received radio waves, and the electric field strength measuring unit 21 is realized by this function. That is, the electric field strength measuring unit 21 and the communication unit 22 are realized by a communication circuit.

制御部23は、通信部22を介して照明制御装置1から受信した制御信号に応じて、光源24の発光態様を変更する。また、制御部23は、電界強度測定部21により測定された受信電界強度に応じて光源24の発光態様を変更する。制御部23は、例えば、CPU、ROMおよびRAMにより構成される。   The control unit 23 changes the light emission mode of the light source 24 according to the control signal received from the illumination control device 1 via the communication unit 22. In addition, the control unit 23 changes the light emission mode of the light source 24 according to the received electric field strength measured by the electric field strength measuring unit 21. The control part 23 is comprised by CPU, ROM, and RAM, for example.

光源24は、制御部23からの指示に基づいて発光の態様を変更可能な光源である。具体的には、後述するように、光源24は、受信電界強度に応じた発光態様で発光することが可能である。発光の態様の変更とは、明るさすなわち発光の強度の変更であってもよいし、点滅の周波数の変更などであってもよく、発光の態様の変更が視認可能であればよく、発光の態様の変更に特に制約はない。発光の態様の段階の数としては、最低2段階の調節ができればよい。以下では、明るさを変更する例について説明する。明るさを変更する場合、光源24は、最低、オンすなわち点灯とオフすなわち消灯との2段階の調整ができればよい。光源24は、0〜100%まで連続的に調節できるものであってもよい。   The light source 24 is a light source that can change a light emission mode based on an instruction from the control unit 23. Specifically, as will be described later, the light source 24 can emit light in a light emission mode according to the received electric field intensity. The change in the light emission mode may be a change in brightness, that is, the intensity of the light emission, or a change in the blinking frequency. There are no particular restrictions on the change of the embodiment. As the number of steps of the light emission mode, it is sufficient that at least two steps can be adjusted. Hereinafter, an example of changing the brightness will be described. In the case of changing the brightness, the light source 24 may be adjusted at least in two steps of ON, that is, lighting and OFF, that is, extinguishing. The light source 24 may be one that can be continuously adjusted from 0 to 100%.

次に、本実施の形態の動作について説明する。まず、本実施の形態の照明システムにおける無線チャネルすなわち無線周波数の決定方法の全体の流れについて説明する。図2は、本実施の形態の無線チャネルの決定手順の一例を示すフローチャートである。図2に示した処理は、例えば、照明システムの設置時に行われるが、その他、照明システムの起動時をはじめとして任意のタイミング行われてもよい。図2に示した処理を照明システムの起動時に実施するようあらかじめ照明制御装置1に設定されていてもよいし、リモコン3を介してユーザから無線チャネルの決定処理の実施が指示されたときに実施されるようにしてもよい。   Next, the operation of the present embodiment will be described. First, the overall flow of a method for determining a radio channel, that is, a radio frequency in the illumination system of the present embodiment will be described. FIG. 2 is a flowchart illustrating an example of a radio channel determination procedure according to the present embodiment. The processing illustrated in FIG. 2 is performed, for example, at the time of installation of the lighting system, but may be performed at an arbitrary timing including when the lighting system is activated. The processing shown in FIG. 2 may be set in advance in the lighting control device 1 so as to be performed when the lighting system is activated, or when the execution of the wireless channel determination processing is instructed by the user via the remote controller 3. You may be made to do.

照明制御装置1は、まず、使用可能な無線チャネルのうちの1つであるCHxの電界強度測定処理を実施する(ステップS1)。CHxは、後述するように、リモコン3を介してユーザにより選択される。具体的には、リモコン3がユーザから、電界強度測定の対象となる無線チャネルの入力を受け付け、受け付けた無線チャネルの電界強度測定の実施を要求する電界強度取得要求を生成し、電界強度取得要求を照明制御装置1へ送信する。ここでは、例えば、初回のステップS1では1番目の無線チャネルすなわちCH1の電界強度測定処理が実施されたとする。電界強度測定処理の詳細については後述する。   First, the illumination control device 1 performs a process for measuring the field intensity of CHx, which is one of the available radio channels (step S1). CHx is selected by the user via the remote controller 3 as will be described later. Specifically, the remote controller 3 receives an input of a radio channel to be subjected to electric field strength measurement from the user, generates an electric field intensity acquisition request for requesting execution of electric field intensity measurement of the received radio channel, and receives the electric field intensity acquisition request. Is transmitted to the lighting control device 1. Here, for example, it is assumed that the first radio channel, that is, the electric field strength measurement process of CH1 is performed in the first step S1. Details of the electric field strength measurement process will be described later.

照明制御装置1の制御部12は、電界強度測定処理で得られた結果に基づいて、測定結果がOKであるか否かを判断する(ステップS2)。測定結果がOKとは、照明装置2との通信において妨害波またはノイズがなくCHxを使用可能であることを示す。具体的には、例えば、電界強度測定処理で得られた照明装置2の受信電界強度が全て閾値未満である場合に、測定結果がOKであると判断する。制御部12は、測定結果がOKの場合(ステップS2 Yes)、使用する無線チャネルをCHxに決定し(ステップS3)、無線チャネルの決定処理を終了する。制御部12は、決定した無線チャネルで照明装置2との通信を行うよう通信部11へ指示する。   The control unit 12 of the illumination control device 1 determines whether or not the measurement result is OK based on the result obtained by the electric field strength measurement process (step S2). The measurement result OK indicates that CHx can be used without any interference wave or noise in communication with the lighting device 2. Specifically, for example, when all the received electric field strengths of the illumination device 2 obtained by the electric field strength measurement process are less than the threshold value, it is determined that the measurement result is OK. When the measurement result is OK (step S2 Yes), the control unit 12 determines the radio channel to be used as CHx (step S3), and ends the radio channel determination process. The control unit 12 instructs the communication unit 11 to communicate with the lighting device 2 using the determined wireless channel.

測定結果がOKでない場合(ステップS2 No)、一定時間待機し(ステップS4)、再度、CHxの電界強度測定処理を実施する(ステップS5)。後述するように、照明装置2は、受信電界強度に応じて光源24の発光態様を変更するので、ユーザはどの照明装置2において妨害波またはノイズが生じているかを把握することができる。このため、ユーザは妨害波またはノイズが生じている照明装置2の付近にある妨害波の発生源またはノイズ源となる装置などを、別の場所に移動させるまたは停止させるなどにより除去することができる。ただし、妨害波の発生源またはノイズ源を除去できない場合もある。また、妨害波の発生源またはノイズ源を除去したとしても、別の妨害波の発生源またはノイズ源が存在して、照明装置2への妨害波またはノイズの影響が残ることもある。したがって、ステップS5で、CHxの電界強度測定処理を行った場合、妨害波またはノイズの影響がなくなっている場合もあるし、妨害波またはノイズの影響がなくなっていない場合もある。   If the measurement result is not OK (No in step S2), the process waits for a predetermined time (step S4), and again performs the CHx field strength measurement process (step S5). As will be described later, since the lighting device 2 changes the light emission mode of the light source 24 in accordance with the received electric field intensity, the user can grasp in which lighting device 2 the interference wave or noise is generated. For this reason, the user can remove the interference wave generation source or the noise source device in the vicinity of the illuminating device 2 where the interference wave or noise is generated by moving or stopping the device to another location. . However, there are cases where the source of the interference wave or the noise source cannot be removed. Further, even if the interference wave source or noise source is removed, another interference wave source or noise source may exist and the influence of the interference wave or noise on the lighting device 2 may remain. Therefore, when the CHx field strength measurement process is performed in step S5, the influence of the interference wave or noise may be lost or the influence of the interference wave or noise may not be lost.

照明制御装置1の制御部12は、ステップS5の電界強度測定処理で得られた結果に基づいて、測定結果がOKであるか否かを判断する(ステップS6)。測定結果がOKである場合(ステップS6 Yes)、制御部12は、処理をステップS3へ進める。測定結果がOKでない場合(ステップS6 No)、制御部12は、リモコン3から送信された信号に基づいて、電界強度測定の対象とする無線チャネルを変更し、ステップS1からの処理を繰り返す。例えば、ユーザは、電界強度測定の対象とする無線チャネルをCH1からCH2へ変更するようリモコン3へ入力し、リモコン3はCH2の電界強度測定処理を行う電界強度取得要求を生成して照明制御装置1へ送信する。このように、ステップS6でNoの場合には、順次、無線チャネルを変更してステップS1からの処理を実施する。   The control unit 12 of the illumination control device 1 determines whether or not the measurement result is OK based on the result obtained by the electric field strength measurement process in step S5 (step S6). When the measurement result is OK (step S6 Yes), the control unit 12 advances the process to step S3. When the measurement result is not OK (No at Step S6), the control unit 12 changes the radio channel to be subjected to the electric field strength measurement based on the signal transmitted from the remote controller 3, and repeats the process from Step S1. For example, the user inputs to the remote controller 3 to change the radio channel to be measured for electric field intensity from CH1 to CH2, and the remote controller 3 generates an electric field intensity acquisition request for performing the electric field intensity measurement process for CH2 to control the illumination control device. Send to 1. Thus, in the case of No in step S6, the radio channel is sequentially changed and the processing from step S1 is performed.

なお、ここでは、ステップS2でNoと判定された場合、ステップS4により一定時間待機した後に、ステップS5を実施するようにしたが、一定時間待機する代わりにリモコン3を介してユーザからの指示を受け付けた場合に、ステップS5へ進むようにしてもよい。例えば、ユーザが発生源またはノイズ源の除去後、リモコン3のユーザインタフェース部33を操作することにより、処理を進めることを指示する情報をリモコン3へ入力する。そして、リモコン3は、入力された情報を照明制御装置1へ送信する。これにより、照明制御装置1はユーザが発生源またはノイズ源の除去が完了したと判断してステップS5を実施する。また、この場合、発生源またはノイズ源の除去ができない場合にも、ユーザは、処理を進めることを指示する情報をリモコン3へ入力してもよいし、照明制御装置1の制御部12は、ステップS2でNoと判定してから一定時間が経過しても、上述した処理を進めることを指示する情報を受信しない場合に、ステップS5へ進むようにしてもよい。   Here, when it is determined No in Step S2, Step S5 is performed after waiting for a certain time in Step S4. However, instead of waiting for a certain time, an instruction from the user is given via the remote controller 3. If accepted, the process may proceed to step S5. For example, after the user removes the generation source or the noise source, the user operates the user interface unit 33 of the remote controller 3 to input information for instructing to proceed to the remote controller 3. The remote controller 3 transmits the input information to the lighting control device 1. Thereby, the illumination control apparatus 1 determines that the user has completed the removal of the generation source or the noise source, and performs Step S5. In this case, even when the generation source or the noise source cannot be removed, the user may input information instructing to proceed with the process to the remote control 3, and the control unit 12 of the illumination control device 1 may Even if a predetermined time has elapsed since it was determined No in step S2, if the information for instructing to proceed with the above-described process is not received, the process may proceed to step S5.

なお、図2に示したフローチャートでは、無線チャネルが決定されるまで、処理が繰り返されるが、無線チャネルの決定処理の開始から一定時間以上経過しても無線チャネルが決定されない場合には、照明制御装置1は、リモコン3にエラー表示を行うよう指示するなどを行って、無線チャネルの決定処理を終了してもよい。   In the flowchart shown in FIG. 2, the process is repeated until the wireless channel is determined. However, if the wireless channel is not determined even after a predetermined time has elapsed since the start of the wireless channel determination process, lighting control is performed. The device 1 may instruct the remote controller 3 to perform an error display or the like, and may end the wireless channel determination process.

また、図2に示した例では、1つの無線チャネルの電界強度測定処理を行って測定結果がOKでない場合に次の無線チャネルの電界強度測定処理を行うようにしたが、はじめに使用設定可能な全てまたは一部の無線チャネルの電界強度を測定し、測定結果がOKな無線チャネルがあれば、照明制御装置1は測定結果がOKな無線チャネルのなかから使用する無線チャネルを決定する。ユーザが各無線チャネルの電界強度測定処理によって、各照明装置2がどのような発光の態様を示したかを記録しておく。測定結果がOKな無線チャネルがなければ、任意の無線チャネルを選択し、記録した各照明装置2の発光の態様のうち、選択した無線チャネルに対応するものを用いて、妨害波またはノイズの影響をうけている照明装置2を特定し該照明装置2の周辺の妨害波の発生源またはノイズ源を除去する。その後、選択した無線チャネルの電界強度測定を行うようリモコン3を介して照明制御装置1へ指示し、照明制御装置1は測定結果がOKであれば該無線チャネルを使用する無線チャネルに決定する。測定結果がOKでなければ、ユーザは、再び、任意の無線チャネルを選択し、記録した各照明装置2の発光の態様のうち、選択した無線チャネルに対応するものを用いて、妨害波またはノイズの影響をうけている照明装置2を特定し該照明装置2の周辺の妨害波の発生源またはノイズ源を除去する。以降、上述した動作と同様の動作が繰り返される。   In the example shown in FIG. 2, the field strength measurement process for one radio channel is performed, and the field strength measurement process for the next radio channel is performed when the measurement result is not OK. The electric field strength of all or some of the radio channels is measured, and if there is a radio channel whose measurement result is OK, the lighting control device 1 determines a radio channel to be used from the radio channels whose measurement result is OK. The user records what kind of light emission each lighting device 2 has shown by the electric field strength measurement processing of each wireless channel. If there is no wireless channel whose measurement result is OK, an arbitrary wireless channel is selected, and among the recorded light emission modes of each lighting device 2, the one corresponding to the selected wireless channel is used to influence the interference wave or noise. The illuminating device 2 receiving the light is identified, and the interference wave generation source or noise source around the illuminating device 2 is removed. After that, the remote controller 3 is instructed to measure the electric field strength of the selected wireless channel. If the measurement result is OK, the lighting controller 1 determines the wireless channel to use. If the measurement result is not OK, the user selects an arbitrary wireless channel again, and uses the one corresponding to the selected wireless channel among the recorded light emission modes of each lighting device 2, and uses the interference wave or noise. The illuminating device 2 that is affected by the above is identified, and the interference wave generation source or the noise source around the illuminating device 2 is removed. Thereafter, the same operation as described above is repeated.

次に、上述したステップS1およびステップS5で行われる電界強度測定処理について説明する。図3は、本実施の形態の電界強度測定処理の一例を示すチャート図である。リモコン3の制御部32は、ユーザインタフェース部33を介してユーザから、無線チャネルおよび測定時間とともに電界強度の測定を行うこと指示を受け取ると、該無線チャネルの電界強度測定の実施を要求する電界強度取得要求を生成し、通信部31を介して電界強度取得要求を照明制御装置1へ送信する(ステップS11)。なお、電界強度測定時間には、測定対象の無線チャネルだけでなくユーザから指定された測定時間も含まれている。   Next, the electric field strength measurement process performed in step S1 and step S5 described above will be described. FIG. 3 is a chart showing an example of the electric field strength measurement process of the present embodiment. When the control unit 32 of the remote controller 3 receives an instruction from the user via the user interface unit 33 to measure the electric field strength along with the radio channel and the measurement time, the electric field strength requesting the electric field strength measurement of the radio channel is performed. An acquisition request is generated, and the electric field strength acquisition request is transmitted to the illumination control device 1 via the communication unit 31 (step S11). The electric field strength measurement time includes not only the radio channel to be measured but also the measurement time designated by the user.

照明制御装置1は、電界強度取得要求を受信すると、受信電界強度の測定を指示する制御信号である電界強度取得指令を生成し、電界強度取得指令を無線信号として照明装置2−1〜2−3へ送信する(ステップS12)。詳細には、制御部12は、通信部11を介して電界強度取得要求を受信すると電界強度取得指令を生成し、通信部11を介して電界強度取得指令を照明装置2−1〜2−3へ送信する。電界強度取得指令には、電界強度取得要求に含まれる無線チャネルおよび測定時間も含まれている。   Upon receiving the field strength acquisition request, the lighting control device 1 generates a field strength acquisition command that is a control signal for instructing measurement of the received field strength, and uses the field strength acquisition command as a radio signal for the lighting devices 2-1 to 2- 3 (step S12). Specifically, when receiving the field strength acquisition request via the communication unit 11, the control unit 12 generates a field strength acquisition command, and sends the field strength acquisition command via the communication unit 11 to the lighting devices 2-1 to 2-3. Send to. The field strength acquisition command includes the radio channel and measurement time included in the field strength acquisition request.

照明装置2−1〜2−3は、電界強度取得指令を受信すると、電界強度取得指令に従って、受信電界強度を測定する(ステップS13)。具体的には、電界強度測定部21が、電界強度取得指令に含まれる無線チャネルの受信電界強度を測定する。また、この測定における測定時間は電界強度取得指令に含まれる測定時間である。   When the illumination devices 2-1 to 2-3 receive the electric field strength acquisition command, they measure the received electric field strength according to the electric field strength acquisition command (step S13). Specifically, the electric field strength measurement unit 21 measures the received electric field strength of the wireless channel included in the electric field strength acquisition command. The measurement time in this measurement is the measurement time included in the electric field strength acquisition command.

照明装置2−1〜2−3は、受信電界強度の測定の終了後、測定された受信電界強度に応じて光源24の発光態様を変更する(ステップS14)。受信電界強度に応じた、光源24の発光態様は、あらかじめ定められていてもよいし、照明制御装置1から指示されてもよいし、リモコン3および照明制御装置1を介してユーザから設定されたものであってもよい。以上のように、制御部23は、受信電界強度の測定を指示する制御信号である電界強度取得指令を、通信部22を介して受信した場合に、光源24を受信電界強度に応じた発光態様で発光させる。受信電界強度に応じて光源24の発光態様が変更されることにより、ユーザは各照明装置2の受信電界強度を把握することができる。すなわち、ユーザは、妨害波またはノイズの影響が大きい照明装置2を把握することができ、速やかに適切に妨害波の発生源またはノイズ源を取り除くことができる。   The illuminating devices 2-1 to 2-3 change the light emission mode of the light source 24 according to the measured received electric field intensity after the measurement of the received electric field intensity (Step S14). The light emission mode of the light source 24 according to the received electric field intensity may be determined in advance, may be instructed from the lighting control device 1, or set by the user via the remote controller 3 and the lighting control device 1. It may be a thing. As described above, the control unit 23 emits the light source 24 according to the received electric field strength when receiving the electric field strength acquisition command, which is a control signal instructing measurement of the received electric field strength, via the communication unit 22. Light up with. By changing the light emission mode of the light source 24 according to the received electric field strength, the user can grasp the received electric field strength of each lighting device 2. That is, the user can grasp the lighting device 2 that is greatly affected by the interference wave or noise, and can quickly and appropriately remove the generation source or noise source of the interference wave.

図4は、受信電界強度に応じた光源24の光度の一例を示す図である。図4に示した例では、受信電界強度に応じて光源24の明るさが変更される例を示している。図4に示した例では、受信電界強度が−30[dBm]以上の場合には、光度を100%とし、受信電界強度が−30[dBm]より小さく−50[dBm]以上の場合には、光度を75%とするといったように、受信電界強度に応じて光源24の光度が定められている。   FIG. 4 is a diagram illustrating an example of the luminous intensity of the light source 24 according to the received electric field strength. In the example shown in FIG. 4, the brightness of the light source 24 is changed according to the received electric field intensity. In the example shown in FIG. 4, when the received electric field strength is −30 [dBm] or higher, the luminous intensity is 100%, and when the received electric field strength is smaller than −30 [dBm] and −50 [dBm] or higher. The luminous intensity of the light source 24 is determined in accordance with the received electric field strength such that the luminous intensity is 75%.

図4に示した例では、受信電界強度に応じて光源24の光度を変更する例を示したが、これに限らず、例えば、受信電界強度が強いほど短い周期で光源24を点滅させ、受信電界強度が弱いほど、長い周期で光源を点滅させるなど、受信電界強度に応じて点滅の周波数を変更してもよい。すなわち、光源24の明るさが受信電界強度に応じて変更されてもよいし、光源24の点滅の周波数が受信電界強度に応じて変更されてもよい。また、受信電界強度に応じて光源24が発する光の色温度を変化させてもよい。   In the example shown in FIG. 4, the example in which the light intensity of the light source 24 is changed according to the received electric field strength is shown. However, the present invention is not limited to this. The blinking frequency may be changed according to the received electric field intensity, such as blinking the light source with a longer period as the electric field strength is weaker. That is, the brightness of the light source 24 may be changed according to the received electric field strength, and the blinking frequency of the light source 24 may be changed according to the received electric field strength. Further, the color temperature of the light emitted from the light source 24 may be changed according to the received electric field intensity.

なお、発光態様は、照明装置2が電界強度取得指令を受信したことにより発光している場合と電界強度取得指令とは関係なく発光している場合とが区別ができることが望ましい。たとえば、あらかじめ全ての照明装置2が光度100%で点灯している状態で、受信電界強度測定を行った場合、測定後に光度100%で点灯している照明は、受信電界強度が強い可能性もあるし、照明制御装置1から電界強度取得指令を受信していない可能性がある。   In addition, as for the light emission mode, it is desirable that the case where the lighting device 2 emits light by receiving the electric field strength acquisition command can be distinguished from the case where light is emitted regardless of the electric field strength acquisition command. For example, when the received electric field strength measurement is performed in a state where all the illumination devices 2 are lit at 100% luminous intensity in advance, the illumination lit at 100% luminous intensity after the measurement may have a strong received electric field strength. In addition, there is a possibility that an electric field strength acquisition command has not been received from the illumination control device 1.

照明装置2が電界強度取得指令を受信したことにより発光している場合と電界強度取得指令とは関係なく発光している場合とを区別できるようにするために、リモコン3から電界強度取得要求が送信される場合には、リモコン3からの指示または照明制御装置1からの指示などにより、あらかじめ照明装置2の光源24の明るさを特定の値にしておくことが考えられる。例えば、照明制御装置1は電界強度取得指令を送信する前に照明装置2へ光度を0%とするすなわち消灯することを指示する制御信号を送信しておく。または、受信電界強度に応じた発光態様を、通常動作では現れない発光態様としておいてもよい。すなわち、電界強度取得指令に応じた発光態様は、電界強度取得指令に応じた発光以外の場合の発光における発光態様と異なる。通常動作では現れない発光態様の一例は、例えば点滅である。または、照明装置2が、受信電界強度取得指令を受信すると、一度消灯してから、一度消灯し、その後に電界強度測定を行うようにしてもよい。   In order to distinguish between the case where the lighting device 2 emits light by receiving the electric field strength acquisition command and the case where light is emitted regardless of the electric field strength acquisition command, an electric field strength acquisition request is issued from the remote controller 3. In the case of transmission, it is conceivable that the brightness of the light source 24 of the lighting device 2 is set to a specific value in advance by an instruction from the remote controller 3 or an instruction from the lighting control device 1. For example, the illumination control device 1 transmits a control signal that instructs the illumination device 2 to set the luminous intensity to 0%, that is, turn off before transmitting the electric field strength acquisition command. Alternatively, the light emission mode corresponding to the received electric field intensity may be set as a light emission mode that does not appear in normal operation. That is, the light emission mode according to the electric field strength acquisition command is different from the light emission mode in the light emission in cases other than the light emission according to the electric field strength acquisition command. An example of a light emission mode that does not appear in normal operation is blinking, for example. Alternatively, when the lighting device 2 receives the received electric field strength acquisition command, the lighting device 2 may be turned off once, then turned off, and then the electric field strength measurement may be performed.

以上述べた例では、測定する無線チャネル、測定時間はリモコン3から送信するとしたが、これらの情報を照明制御装置1があらかじめ保持していてもよい。この場合、リモコン3は、電界強度取得要求を生成する際に、無線チャネルおよび測定時間を電界強度取得要求に含めない。照明制御装置1は、リモコン3から電界強度取得要求を受信するとあらかじめ定められた順序で、ステップS1の処理の対象とする無線チャネルを順次設定し、測定時間についてはあらかじめ定められた測定時間を電界強度取得指令に含める。また、照明制御装置1が無線チャネルおよび測定時間を照明装置2に通知せず、照明装置2があらかじめ定められた順序で、無線チャネルを設定し、あらかじめ定められた測定時間で電界強度測定を行ってもよい。   In the example described above, the radio channel to be measured and the measurement time are transmitted from the remote controller 3, but the information may be held in advance by the lighting control device 1. In this case, the remote controller 3 does not include the radio channel and the measurement time in the field strength acquisition request when generating the field strength acquisition request. When receiving the electric field strength acquisition request from the remote controller 3, the illumination control device 1 sequentially sets the wireless channels to be processed in step S1 in a predetermined order, and the measurement time is set to the predetermined measurement time. Include in the strength acquisition directive. Also, the lighting control device 1 does not notify the lighting device 2 of the wireless channel and the measurement time, and the lighting device 2 sets the wireless channel in a predetermined order and performs field strength measurement at the predetermined measurement time. May be.

また、以上述べた例では、ユーザがリモコン3を操作することにより電界強度測定処理が開始されるが、パーソナルコンピュータ、タブレット、スマートフォンなどの端末が無線通信などでリモコン3、照明制御装置1、または照明装置2と接続され、端末から電界強度取得要求または電界強度取得指令が送信されるようにしてもよい。また、照明システムの電源起動時などに自動的に図2に示した処理が実施されてもよい。   In the example described above, the electric field strength measurement process is started by the user operating the remote controller 3, but a terminal such as a personal computer, a tablet, or a smartphone is connected to the remote controller 3, the lighting control device 1, or the wireless communication or the like. It may be connected to the illuminating device 2 and a field strength acquisition request or a field strength acquisition command may be transmitted from the terminal. Further, the processing shown in FIG. 2 may be automatically performed when the lighting system is powered on.

次に、ステップS2、ステップS6における電界強度測定結果の反映方法について説明する。ここでは一例として、以下の条件を仮定する。まず、全ての照明装置2が消灯している状態から、電界強度測定を実施するとする。また、照明装置2における受信電界強度と発光態様との対応は図4に示したものを用いるとする。また、ステップS2、ステップS6において、照明制御装置1は、受信電界強度が−70dBm未満であれば、妨害波またはノイズがないと判定し、受信電界強度が−70dBm以上であれば、妨害波またはノイズがあると判定するとする。   Next, a method of reflecting the electric field strength measurement results in step S2 and step S6 will be described. Here, as an example, the following conditions are assumed. First, it is assumed that the electric field strength measurement is performed from a state where all the lighting devices 2 are turned off. Further, it is assumed that the correspondence between the received electric field intensity and the light emission mode in the illumination device 2 is as shown in FIG. In Steps S2 and S6, the lighting control device 1 determines that there is no interference wave or noise if the received electric field strength is less than −70 dBm, and if the received electric field strength is −70 dBm or more, the illumination control device 1 Assume that there is noise.

図5は、上述した条件において、ステップS2で測定結果がOKと判定される場合の各照明装置2の光度を示す図である。各照明装置2の下部にかかれた25%などの数値は、各照明装置2の光源24の光度を示す。図5に示した状態では、照明装置2−1〜2−3はすべて光度25%である。ユーザが各照明装置2を観察すると、照明装置2の明るさが点灯時の最大の明るさより暗くなっていることを視認できる。これにより、ユーザは、受信電界測定が行われた無線チャネルが使用可能であると認識することができる。   FIG. 5 is a diagram illustrating the luminous intensity of each illumination device 2 when the measurement result is determined to be OK in step S2 under the above-described conditions. A numerical value such as 25% written at the bottom of each lighting device 2 indicates the luminous intensity of the light source 24 of each lighting device 2. In the state shown in FIG. 5, all of the lighting devices 2-1 to 2-3 have a luminous intensity of 25%. When the user observes each illumination device 2, it can be visually recognized that the brightness of the illumination device 2 is darker than the maximum brightness at the time of lighting. Thereby, the user can recognize that the radio channel on which the received electric field measurement is performed can be used.

図6は、上述した条件において、ステップS2で測定結果がOKでないと判定される場合の各照明装置2の光度を示す図である。図6に示した状態では、照明装置2−2,2−3は光度25%であり、照明装置2−1は光度100%である。したがって、ユーザが各照明装置2を観察すると、照明装置2−1だけが他の照明装置2に比べ、明るくなっている。これにより、ユーザは、照明装置2−1が妨害波またはノイズの影響を受けていることがわかる。これにより、照明装置2−1の周辺の妨害波の発生源またはノイズ源を取り除くなどの対策を行うことができる。   FIG. 6 is a diagram illustrating the luminous intensity of each lighting device 2 when it is determined in step S2 that the measurement result is not OK under the above-described conditions. In the state shown in FIG. 6, the illumination devices 2-2 and 2-3 have a luminous intensity of 25%, and the illumination device 2-1 has a luminous intensity of 100%. Therefore, when the user observes each lighting device 2, only the lighting device 2-1 is brighter than the other lighting devices 2. As a result, the user can see that the lighting device 2-1 is affected by an interference wave or noise. As a result, it is possible to take measures such as removing an interference wave source or a noise source around the lighting device 2-1.

以上の例では、ユーザが、目視により照明装置2の光の態様を確認する例を説明したが、これに限らず、明るさの変化を捉えられる方法であればよく、照度センサまたはカメラなどを用いてユーザが測定結果を確認してもよい。または、カメラなどにより撮影された画像を画像処理することにより各照明装置2の光度が算出されるようにしてもよい。   In the above example, the example in which the user visually confirms the light mode of the lighting device 2 has been described. However, the present invention is not limited to this, and any method that can capture a change in brightness may be used. The user may check the measurement result. Or you may make it the luminous intensity of each illuminating device 2 calculate by image-processing the image image | photographed with the camera.

ここで、照明装置2が電界強度取得指令を受信できない場合もある。図7は、電界強度取得指令を受信できない照明装置2が存在する場合の照明装置2の光度を示す図である。図7に示すように、照明装置2−1,2−2は光度25%であり、照明装置2−3は光度0%である。ユーザは、照明装置2−3が光度0%すなわち消灯の状態であることを視認でき、これにより、照明装置2−3が電界強度取得指令を受信できていないことを把握できる。このような場合、ユーザは、再度、リモコン3を操作して電界強度測定を実施させる。複数回電界強度測定が実施されても、照明装置2−3が消灯したままである場合、妨害波またはノイズにより受信できない、または、照明制御装置1と照明装置2−3との距離が離れている影響により電波が届かないといった可能性ある。このため、ユーザは、妨害波の発生源またはノイズ源の除去、照明制御装置1の位置変更または照明制御装置1の追加といった対策をとることができる。   Here, the lighting device 2 may not receive the electric field strength acquisition command. FIG. 7 is a diagram illustrating the luminous intensity of the illumination device 2 when there is the illumination device 2 that cannot receive the electric field intensity acquisition command. As shown in FIG. 7, the illuminating devices 2-1 and 2-2 have a luminous intensity of 25%, and the illuminating device 2-3 has a luminous intensity of 0%. The user can visually recognize that the illumination device 2-3 is 0% light intensity, that is, in the off state, and thereby can understand that the illumination device 2-3 has not received the electric field strength acquisition command. In such a case, the user operates the remote controller 3 again to perform electric field strength measurement. Even if the electric field strength measurement is performed a plurality of times, if the lighting device 2-3 remains off, it cannot be received due to an interference wave or noise, or the distance between the lighting control device 1 and the lighting device 2-3 is increased. There is a possibility that the radio wave does not reach due to the influence. For this reason, the user can take measures such as the removal of the interference wave generation source or the noise source, the position change of the illumination control device 1 or the addition of the illumination control device 1.

このように、本実施の形態では、照明装置2が、受信電界強度の測定結果を光源24の発光態様で表現することで各照明装置2における妨害波またはノイズの発生状況をユーザに提示することができ、ユーザは各照明装置2の電界強度測定結果を容易に認識できる。このため、妨害波の発生源またはノイズ源の除去といった対策が容易になる。   Thus, in this Embodiment, the illuminating device 2 presents the generation | occurrence | production state of the disturbance wave or noise in each illuminating device 2 to a user by expressing the measurement result of a received electric field strength by the light emission mode of the light source 24. The user can easily recognize the electric field strength measurement result of each lighting device 2. For this reason, it is easy to take measures such as removal of an interference wave source or noise source.

また、本実施の形態では、電界強度測定を行うタイミングは任意であるため、試験用の通信期間だけに限定されず、通常運用時についても電界強度測定を行うことができるため、照明システムの設置および検査のときだけでなく、通常運用時にも妨害波またはノイズが大きく通信が不安定な場所を検出することが可能である。   In this embodiment, since the timing for measuring the electric field strength is arbitrary, it is not limited to the test communication period, and the electric field strength can be measured even during normal operation. In addition, it is possible to detect a place where communication is unstable due to a large disturbance wave or noise not only during inspection but also during normal operation.

以上の実施の形態に示した構成は、本発明の内容の一例を示すものであり、別の公知の技術と組み合わせることも可能であるし、本発明の要旨を逸脱しない範囲で、構成の一部を省略、変更することも可能である。   The configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

1 照明制御装置、2−1〜2−3 照明装置、3 リモコン、11,22,31 通信部、12,23,32 制御部、21 電界強度測定部、24 光源、33 ユーザインタフェース部。   DESCRIPTION OF SYMBOLS 1 Lighting control apparatus, 2-1 to 2-3 Lighting apparatus, 3 Remote control, 11, 22, 31 Communication part, 12, 23, 32 Control part, 21 Electric field strength measurement part, 24 Light source, 33 User interface part.

Claims (5)

無線通信を行うことが可能な通信部と、
前記通信部において使用可能な無線チャネルの受信電界強度を測定する電界強度測定部と、
前記受信電界強度に応じた発光態様で発光する光源と、
を備える照明装置。
A communication unit capable of performing wireless communication; and
An electric field strength measuring unit for measuring a received electric field strength of a wireless channel usable in the communication unit;
A light source that emits light in a light emitting mode according to the received electric field intensity;
A lighting device comprising:
受信電界強度の測定を指示する制御信号を受信した場合に、前記光源を前記受信電界強度に応じた発光態様で発光させる制御部、
を備え、
前記制御信号に応じた発光態様は、前記制御信号に応じた発光以外の場合の発光における発光態様と異なる請求項1に記載の照明装置。
A control unit that, when receiving a control signal instructing measurement of the received electric field strength, causes the light source to emit light in a light emission mode according to the received electric field strength;
With
The lighting device according to claim 1, wherein a light emission mode according to the control signal is different from a light emission mode in light emission other than the light emission according to the control signal.
前記光源の明るさは前記受信電界強度に応じて変更される請求項1または2に記載の照明装置。   The illumination device according to claim 1, wherein the brightness of the light source is changed according to the received electric field intensity. 前記光源の点滅の周波数は前記受信電界強度に応じて変更される請求項1または2に記載の照明装置。   The lighting device according to claim 1, wherein the frequency of blinking of the light source is changed according to the received electric field intensity. 照明制御装置と、前記照明制御装置との間で無線通信を行うことが可能な照明装置とを備える照明システムであって、
前記照明制御装置は、測定対象の無線チャネルを含み受信電界強度の実施を指示する制御信号を生成し、前記制御信号を前記照明装置へ無線信号として送信し、
前記照明装置は、
前記制御信号を受信する通信部と、
前記制御信号に含まれる前記無線チャネルの受信電界強度を測定する電界強度測定部と、
前記受信電界強度に応じた発光態様で発光する光源と、
を備える照明システム。
An illumination system comprising an illumination control device and an illumination device capable of performing wireless communication between the illumination control device,
The lighting control device generates a control signal that includes a wireless channel to be measured and instructs the implementation of the received electric field strength, and transmits the control signal to the lighting device as a wireless signal,
The lighting device includes:
A communication unit for receiving the control signal;
An electric field strength measuring unit for measuring the received electric field strength of the wireless channel included in the control signal;
A light source that emits light in a light emitting mode according to the received electric field intensity;
A lighting system comprising:
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