JP2005136532A - Wireless switch - Google Patents

Wireless switch Download PDF

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Publication number
JP2005136532A
JP2005136532A JP2003368248A JP2003368248A JP2005136532A JP 2005136532 A JP2005136532 A JP 2005136532A JP 2003368248 A JP2003368248 A JP 2003368248A JP 2003368248 A JP2003368248 A JP 2003368248A JP 2005136532 A JP2005136532 A JP 2005136532A
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wireless
switch
relay
control circuit
load
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JP2003368248A
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Masayuki Tsukahara
真行 塚原
Kenji Shiraishi
健司 白石
Satoshi Fujino
聡 藤野
Shinichi Masubuchi
伸一 増渕
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Hitachi Appliances Inc
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Hitachi Home and Life Solutions Inc
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a wireless switch whereby a remote controller remotely controls an existing load to be controlled and remotely monitors an operating state of the load to be controlled by fitting the wireless switch in place of an existing wall switch. <P>SOLUTION: A series circuit comprising an AC power supply 1 and the load 2 to be controlled is connected to two terminals, and a controlled load ON / OFF relay is connected between both the terminals. An AC-DC conversion circuit operated when the relay is turned off is provided in parallel with the relay and an AC-DC conversion circuit operated when the relay is turned on is provided in series with the relay so as to supply a DC power supply for a control circuit even when the relay is turned on or off. The wireless switch includes a wireless transmitter-receiver in addition to the control circuit. The existing wall switch is replaced with the wireless switch, and the remote controller remotely controls and remotely monitors the load connected to the wireless switch. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、白熱灯や蛍光灯等の照明や換気扇等の制御に用いられる壁スイッチに関し、特にそのオン／オフ制御をワイヤレスでもできるワイヤレススイッチに関するものである。   The present invention relates to a wall switch used for controlling an illumination such as an incandescent lamp or a fluorescent lamp or a ventilation fan, and more particularly to a wireless switch whose on / off control can be performed wirelessly.

近年、リモコン装置を用いて離れた場所から制御可能な照明器具が普及してきている。この種の照明器具としては、照明器具内にリモコン装置からのワイヤレス信号を受信するワイヤレス受信機を内蔵し、かつ天井に設けた引掛けシーリングに取り付ける構造のものが多く、既設の照明器具が引掛けシーリングの場合は容易に交換できた。しかし、引掛けシーリングでない場合や壁付け照明器具や、埋め込み照明器具の場合容易に交換できなかった。   In recent years, lighting fixtures that can be controlled from a remote location using a remote control device have become widespread. Many lighting fixtures of this type have a built-in wireless receiver that receives a wireless signal from a remote control device and are attached to a ceiling ceiling ceiling ceiling. In the case of hanging ceiling, it was easily replaced. However, when it is not a hook ceiling, a wall-mounted luminaire, or an embedded luminaire, it cannot be easily replaced.

これらの引掛けシーリングでない場合や壁付け照明器具や、埋め込み照明器具の場合でも容易に交換でき、ワイヤレス操作ができる方法として、例えば特許文献１のワイヤレススイッチが提案されていた。   For example, a wireless switch disclosed in Patent Document 1 has been proposed as a method that can be easily replaced and wirelessly operated even in the case of these non-hook ceilings, wall-mounted lighting fixtures, and embedded lighting fixtures.

この提案はスイッチ要素に並列に交流−直流変換回路を設け、この回路から供給される電源で制御回路部やワイヤレス受信機部を動作させるようにしたものである。この場合、用途が位相制御する白熱灯に限られ、位相制御オフ時にスイッチ要素間に発生する電圧が、交流−直流変換回路に供給されることを利用したものである。   In this proposal, an AC-DC conversion circuit is provided in parallel with a switch element, and a control circuit unit and a wireless receiver unit are operated by a power source supplied from the circuit. In this case, the application is limited to the incandescent lamp that performs phase control, and the fact that the voltage generated between the switch elements when the phase control is off is supplied to the AC-DC conversion circuit.

特開平１１−１６６８２号公報(図１)Japanese Patent Laid-Open No. 11-16682 (FIG. 1)

これまでのワイヤレススイッチでは、引掛けシーリングでない場合や壁付け照明器具や、埋め込み照明器具の場合では容易に交換できなかった。   Previous wireless switches could not be easily replaced in the case of non-hook ceilings, wall-mounted lighting fixtures or embedded lighting fixtures.

また、その解決策として提案されている特許文献１の場合、利用可能な負荷が位相制御可能な白熱灯に限られてしまい、蛍光灯や換気扇等の負荷では使用できなかった。   In the case of Patent Document 1 proposed as a solution, the usable load is limited to an incandescent lamp capable of phase control, and cannot be used with a load such as a fluorescent lamp or a ventilation fan.

さらに、ワイヤレス部が受信のみであるため、離れた場所からの制御はできるが、手元スイッチ等の手操作で制御された場合の負荷の状況を離れた場所で知ることはできなかった。   Furthermore, since the wireless unit is only receiving, it is possible to control from a remote location, but it is impossible to know the load situation when remotely controlled by a hand switch or the like.

上記従来技術を改良するため、本発明では次のようにしている。   In order to improve the above prior art, the present invention is as follows.

商用電源と被制御負荷との間に挿入されるスイッチ要素と、ワイヤレス信号を受信するワイヤレス回路部と、ワイヤレス回路部で受信したワイヤレス信号に基づいてスイッチ要素を制御する制御回路部とから構成し、これらのスイッチ要素やワイヤレス回路部や制御回路部が動作するために必要な直流電源は、スイッチ要素に並列に接続される交流−直流変換回路か、スイッチ要素に直列に接続される交流−直流変換回路のどちらかの回路から供給される電源で動作するようにした。これらの構成としたことにより、白熱灯を含め蛍光灯や換気扇等の機器も接続可能となる。   A switch element inserted between a commercial power source and a controlled load, a wireless circuit unit that receives a wireless signal, and a control circuit unit that controls the switch element based on the wireless signal received by the wireless circuit unit. The DC power source necessary for the operation of these switch elements, wireless circuit units, and control circuit units is an AC-DC conversion circuit connected in parallel to the switch elements, or an AC-DC circuit connected in series to the switch elements. It was made to operate with the power supplied from either circuit of the conversion circuit. With these configurations, devices such as fluorescent lamps and ventilation fans including incandescent lamps can be connected.

また、スイッチ要素を制御する指示を人の手操作によって制御回路に与える手段を有し、その指示に基づいて制御した内容を、ワイヤレス回路部より送信するようにした。これにより、前記ワイヤレス送信信号を受信する装置を利用すれば、遠隔制御ばかりでなく、遠隔モニターもできるようになる   In addition, there is provided means for giving an instruction to control the switch element to the control circuit by a manual operation of the person, and the contents controlled based on the instruction are transmitted from the wireless circuit unit. As a result, if the device that receives the wireless transmission signal is used, not only remote control but also remote monitoring can be performed.

本発明のワイヤレススイッチを既設の壁埋め込み型のスイッチと交換することにより、その被制御負荷の遠隔制御、遠隔モニターができるようになる。   By replacing the wireless switch of the present invention with an existing wall-embedded switch, the controlled load can be remotely controlled and monitored.

本発明を実施したワイヤレススイッチの回路構成例を図１に、器体の形状例を図２に示す。   FIG. 1 shows an example of a circuit configuration of a wireless switch embodying the present invention, and FIG. 2 shows an example of the shape of a vessel.

図１において、１は交流電源、２は交流電源のオン／オフにより制御される被制御負荷、３は本発明のワイヤレススイッチ、４、５は交流電源１と被制御負荷を接続する接続端子である。６は被制御機器のオン／オフ制御を行うスイッチ要素であるリレーの接点部、７はリレーの接点部６に並列に接続される整流用のダイオードブリッジ、８はダイオードブリッジの整流電圧を降圧すると共に出力電圧を一定に制御する降圧形定電圧制御回路である。このダイオードブリッジ７、降圧形定電圧制御回路８に掛けての回路が、本発明で言う「スイッチ要素に並列に接続される交流−直流変換回路」である。   In FIG. 1, 1 is an AC power source, 2 is a controlled load controlled by turning on / off the AC power source, 3 is a wireless switch of the present invention, and 4 and 5 are connection terminals for connecting the AC power source 1 and the controlled load. is there. 6 is a relay contact portion which is a switch element for performing on / off control of the controlled device, 7 is a rectifier diode bridge connected in parallel to the relay contact portion 6, and 8 is a step-down rectifier voltage of the diode bridge. And a step-down constant voltage control circuit for controlling the output voltage to be constant. A circuit applied to the diode bridge 7 and the step-down constant voltage control circuit 8 is the “AC-DC conversion circuit connected in parallel to the switch element” in the present invention.

１１は被制御負荷２に流れる電流が１次側コイルに流れるように接続された電流変成器で、２次側の出力はダイオードブリッジ１２で整流され、昇圧形定電圧制御回路１３により定電圧化される。この電流変成器１１、ダイオードブリッジ１２、昇圧形定電圧制御回路１３に掛けての回路が、本発明で言う「スイッチ要素に直列に接続される交流−直流変換回路」である。   Reference numeral 11 denotes a current transformer connected so that the current flowing through the controlled load 2 flows through the primary side coil. The secondary side output is rectified by the diode bridge 12 and is made constant by the boost type constant voltage control circuit 13. Is done. The circuit applied to the current transformer 11, the diode bridge 12, and the step-up type constant voltage control circuit 13 is the "AC-DC conversion circuit connected in series to the switch element" in the present invention.

定電圧制御回路８と１３の出力は、ダイオード９、１４により相補的に制御回路の電源として供給され、定電圧ダイオード１０により、一定電圧とし、制御用のマイコン１５、ワイヤレス送受信機２０、スイッチ要素のリレーのコイル部の駆動電源、スイッチ６の状態表示用ＬＥＤ１８、１９等の駆動電源として供給される。ここで、ＬＥＤ１８はリレー６がオフ時に点灯する緑色のＬＥＤ、ＬＥＤ１９はリレー６がオン時に点灯する赤色のＬＥＤである。１６は手操作用のスイッチで、その状態はマイコン１５に取り込まれている。   The outputs of the constant voltage control circuits 8 and 13 are complementarily supplied as power sources for the control circuit by the diodes 9 and 14, and are set to a constant voltage by the constant voltage diode 10, and the microcomputer 15 for control, the wireless transceiver 20 and the switch element Is supplied as drive power for the coil portion of the relay, and drive power for the status display LEDs 18 and 19 of the switch 6. Here, the LED 18 is a green LED that lights when the relay 6 is off, and the LED 19 is a red LED that lights when the relay 6 is on. Reference numeral 16 denotes a switch for manual operation, and its state is taken into the microcomputer 15.

以上の構成としているので、リレーのスイッチ部６がオフの場合は、リレー６の両端間に交流電源電圧がほとんど印加される。この電圧は降圧形電圧制御回路８で定電圧化されダイオード９を経由して制御回路の電源として供給される。このとき、電流変成器１１の１次側コイルには電流が流れないため２次側には電圧が発生せず、昇圧形定電圧制御回路１３からは電流の供給はない。このように、リレー６がオフの場合は、降圧形電圧制御回路８から制御回路等の電源は供給される。   With the above configuration, when the switch 6 of the relay is off, the AC power supply voltage is almost applied across the relay 6. This voltage is converted to a constant voltage by the step-down voltage control circuit 8 and supplied as a power source for the control circuit via the diode 9. At this time, no current flows through the primary side coil of the current transformer 11, so no voltage is generated on the secondary side, and no current is supplied from the boost type constant voltage control circuit 13. Thus, when the relay 6 is off, power is supplied from the step-down voltage control circuit 8 such as a control circuit.

このとき、制御回路等で消費される電力分の電流が被制御負荷２にも流れるが、微小であるため被制御負荷が動作したり、異常を起こしたりすることはない。   At this time, a current corresponding to the electric power consumed by the control circuit or the like flows to the controlled load 2, but the controlled load does not operate or cause an abnormality because it is very small.

一方、リレーのスイッチ部６がオンの時はスイッチ６間には電圧が発生しないので、ダイオードブリッジ７には電流は流れない。その代わり、被制御負荷で消費される電流が電流変成器１１の一次側に流れる。この電流により、電流変成器の２次側にも電流が流れる。この電流は、ダイオードブリッジ１２で整流され、昇圧形定電圧制御回路１３により一定電圧に昇圧され、ダイオード１４経由で、制御回路の電源として供給される。この例では昇圧形の定電圧制御回路を例として記述したが、２次側に流れる電流によっては、降圧形定電圧制御回路を使っても良い。また、電流変成器の一次側での電圧損失は少なく、被制御負荷に印加される電圧が低くなりすぎることはないようにするものとする。   On the other hand, since no voltage is generated between the switches 6 when the relay switch 6 is on, no current flows through the diode bridge 7. Instead, the current consumed by the controlled load flows to the primary side of the current transformer 11. This current also flows through the secondary side of the current transformer. This current is rectified by the diode bridge 12, boosted to a constant voltage by the boost constant voltage control circuit 13, and supplied as a power source for the control circuit via the diode 14. In this example, the step-up type constant voltage control circuit is described as an example, but a step-down type constant voltage control circuit may be used depending on the current flowing in the secondary side. In addition, the voltage loss on the primary side of the current transformer is small, and the voltage applied to the controlled load should not be too low.

このように、本発明では被制御負荷への電力の供給がされているときでも、されていないときでも制御回路への電源供給ができるようになる。この電力で制御回路等は動作する。   As described above, according to the present invention, it is possible to supply power to the control circuit even when power is supplied to the controlled load. The control circuit and the like operate with this power.

ワイヤレス送受信機２０で被制御負荷をオンする指令を受信した場合は、Ｒｘｄ端子に受信信号が入力され、マイコンで解読し、Ｄｖ端子より、リレー１７のオン信号を出力し、リレーの接点部６を閉じる。これにより被制御負荷をオンできる。この時、緑色のＬＥＤ１８を消灯させ赤色のＬＥＤ１９を点灯させ被制御負荷がオンしていることを表示する。また、ワイヤレス受信機２０で被制御負荷をオフする指令を受信した場合は、同様の動きでリレー１７のオフ信号を出力し、リレーの接点部６を開放し、被制御負荷をオフできる。この時、赤色のＬＥＤ１９を消灯させ緑色のＬＥＤ１８を点灯させ被制御負荷がオフしていることを表示する。   When the wireless transmitter / receiver 20 receives a command to turn on the controlled load, the received signal is input to the Rxd terminal, decoded by the microcomputer, and the relay 17 on signal is output from the Dv terminal. Close. As a result, the controlled load can be turned on. At this time, the green LED 18 is turned off and the red LED 19 is turned on to indicate that the controlled load is on. When the wireless receiver 20 receives a command to turn off the controlled load, the relay 17 is turned off in the same manner, and the contact point 6 of the relay is opened to turn off the controlled load. At this time, the red LED 19 is turned off and the green LED 18 is turned on to indicate that the controlled load is off.

また、操作スイッチ１６が押されたときは、オンとオフの状態を反転させている。リレー６がオフ中に操作スイッチ１６が押されると、マイコン１５のＤｖ端子よりリレーのコイル部１７をオンさせる信号を出力する。これによりリレーの接点部６が閉じて被制御負荷へ通電され、ＬＥＤ１８が消灯し、ＬＥＤ１９が点灯する。この時、マイコンの送信端子Ｔｘｄより送信信号が出力されワイヤレス送受信機２０経由でオンを知らせるワイヤレス信号が出力される。このワイヤレス信号にはオンを知らせる内容の他、その負荷を特定するためのコードが同時に送られていることは言うまでもない。受信側ではこのコードにより、どこの負荷がオンしたのかを特定できるようになっている。もう一度操作スイッチ１６が押されると、マイコン１５のＤｖ端子よりリレーのコイル部１７をオフさせる信号を出力する。これによりリレーの接点部６が開いて被制御負荷への通電が停止され、ＬＥＤ１９が消灯し、ＬＥＤ１８が点灯する。この時、マイコンの送信端子Ｔｘｄより送信信号が出力されワイヤレス送受信機２０経由でオフを知らせるワイヤレス信号が出力される。この信号により離れた場所でも被制御負荷のオン／オフを知ることができる。   Further, when the operation switch 16 is pressed, the on and off states are reversed. When the operation switch 16 is pressed while the relay 6 is off, a signal for turning on the coil portion 17 of the relay is output from the Dv terminal of the microcomputer 15. As a result, the contact 6 of the relay is closed and the controlled load is energized, the LED 18 is turned off, and the LED 19 is turned on. At this time, a transmission signal is output from the transmission terminal Txd of the microcomputer, and a wireless signal notifying ON is output via the wireless transceiver 20. It goes without saying that a code for identifying the load is simultaneously transmitted to the wireless signal in addition to the content indicating that the wireless signal is on. On the receiving side, this code makes it possible to specify which load is turned on. When the operation switch 16 is pressed again, a signal for turning off the coil portion 17 of the relay is output from the Dv terminal of the microcomputer 15. As a result, the contact portion 6 of the relay is opened to stop energization of the controlled load, the LED 19 is turned off, and the LED 18 is turned on. At this time, a transmission signal is output from the transmission terminal Txd of the microcomputer, and a wireless signal notifying off is output via the wireless transceiver 20. With this signal, it is possible to know whether the controlled load is on or off at a remote location.

ここで使用するワイヤレス送受信機は、特定小電力無線方式の他、ブルートゥース等双方向通信ができるものであればどのような方式でもよい。   The wireless transceiver used here may be any system other than the specific low-power radio system as long as bidirectional communication such as Bluetooth is possible.

図２において、３０はワイヤレススイッチ本体、３１は上側取付け用金属板、３２は下側取付け用金属板、３３は操作スイッチ部、３４は動作状態表示用窓である。   In FIG. 2, 30 is a wireless switch body, 31 is an upper mounting metal plate, 32 is a lower mounting metal plate, 33 is an operation switch portion, and 34 is an operation state display window.

図２に示すワイヤレススイッチ本体３０はＪＩＳ Ｃ ８３３６で規定されている１個用スイッチボックスに収納できる形状である。また、上部金属板３１、下部金属板３２は、市販されているスイッチプレートが利用できる形状としている。さらに、壁面より露出する操作スイッチ部３３は、ＪＩＳ Ｃ ８３１６で規定されているプレートの規定穴サイズの大角穴(三口用)であるので、市販のプレートをそのまま利用できる。   The wireless switch body 30 shown in FIG. 2 has a shape that can be accommodated in a single switch box defined in JIS C 8336. In addition, the upper metal plate 31 and the lower metal plate 32 have a shape in which a commercially available switch plate can be used. Furthermore, since the operation switch portion 33 exposed from the wall surface is a large-angle hole (for three holes) having a defined hole size of the plate defined in JIS C 8316, a commercially available plate can be used as it is.

以上のような構成としたので、本発明のワイヤレススイッチを既設の壁埋め込みスイッチの変わりに取り付ければ、ワイヤレススイッチ本体の手操作で被制御負荷のオン／オフの制御ができるばかりでなく、離れた場所からワイヤレス信号を送信することにより被制御負荷のオン／オフをできると共に、ワイヤレススイッチの送信信号を受信するようにすれば、離れた場所で現在の被制御負荷のオン／オフ状態を知ることができる。   With the configuration as described above, if the wireless switch of the present invention is attached in place of the existing wall-embedded switch, not only can the controlled load be turned on / off by manual operation of the wireless switch body, but also the remote switch The controlled load can be turned on / off by transmitting a wireless signal from a location, and if the transmission signal of the wireless switch is received, the current controlled load on / off status can be known at a remote location. Can do.

本発明の一実施例に係るワイヤレススイッチの回路図である。1 is a circuit diagram of a wireless switch according to an embodiment of the present invention. 本発明の一実施例に係るワイヤレススイッチの外観図である。1 is an external view of a wireless switch according to an embodiment of the present invention.

符号の説明Explanation of symbols

１…交流電源、２…被制御負荷、３…ワイヤレススイッチ本体、６…リレーの接点部、８…降圧定電圧制御回路、１３…昇圧定電圧制御回路、１５…マイコン、１６…操作スイッチ、１７…リレーのコイル部、２０…ワイヤレス送受信機、３０…ワイヤレススイッチ本体、３３…操作スイッチ部、３４…動作ＬＥＤ表示窓。
DESCRIPTION OF SYMBOLS 1 ... AC power source, 2 ... Controlled load, 3 ... Wireless switch body, 6 ... Relay contact part, 8 ... Step-down constant voltage control circuit, 13 ... Step-up constant voltage control circuit, 15 ... Microcomputer, 16 ... Operation switch, 17 ... Relay coil part, 20 ... Wireless transceiver, 30 ... Wireless switch body, 33 ... Operation switch part, 34 ... Operation LED display window.

Claims (3)

商用電源と被制御負荷との間に挿入されるスイッチ要素と、ワイヤレス信号を受信するワイヤレス回路部と、ワイヤレス回路部で受信したワイヤレス信号に基づいてスイッチ要素を制御する制御回路部とから構成され、
これらのスイッチ要素やワイヤレス回路部や制御回路部が動作するために必要な直流電源は、スイッチ要素に並列に接続される交流−直流変換回路か、スイッチ要素に直列に接続される交流−直流変換回路のどちらかの回路から供給される電源で動作するようにしたことを特徴とするワイヤレススイッチ。 A switch element inserted between a commercial power source and a controlled load, a wireless circuit unit that receives a wireless signal, and a control circuit unit that controls the switch element based on the wireless signal received by the wireless circuit unit. ,
The DC power source required for the operation of these switch elements, wireless circuit units and control circuit units is an AC-DC conversion circuit connected in parallel to the switch elements, or an AC-DC conversion connected in series to the switch elements. A wireless switch characterized by being operated with a power source supplied from one of the circuits. スイッチ要素を制御する指示を人の手操作によって制御回路に与える手段を有し、その指示に基づいて制御した内容を、ワイヤレス回路部より送信するようにしたことを特徴とする請求項１のワイヤレススイッチ。   2. The wireless circuit according to claim 1, further comprising means for giving an instruction to control the switch element to the control circuit by a manual operation of a person, and transmitting a content controlled based on the instruction from the wireless circuit unit. switch. スイッチ要素に直列に接続される交流−直流変換回路に電流変成器を用いたことを特徴とする請求項１のワイヤレススイッチ。
2. The wireless switch according to claim 1, wherein a current transformer is used in an AC-DC conversion circuit connected in series with the switch element.
JP2003368248A 2003-10-29 2003-10-29 Wireless switch Pending JP2005136532A (en)

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