JP2005197028A - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
JP2005197028A
JP2005197028A JP2004000432A JP2004000432A JP2005197028A JP 2005197028 A JP2005197028 A JP 2005197028A JP 2004000432 A JP2004000432 A JP 2004000432A JP 2004000432 A JP2004000432 A JP 2004000432A JP 2005197028 A JP2005197028 A JP 2005197028A
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Prior art keywords
lamp
human body
sensor
turned
output
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JP2004000432A
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Japanese (ja)
Inventor
Shinichi Hirata
真一 平田
Takashi Furukawa
高司 古川
Mitsuhiro Tsujimura
充弘 辻村
Michiya Hoshiga
実知也 星賀
Yoshinobu Araga
美暢 荒賀
Tadashi Adachi
正 足立
Tsutomu Kashiwabara
柏原　　強
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Panasonic Life Solutions Asahi Co Ltd
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Asahi Matsushita Electric Works Ltd
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Priority to JP2004000432A priority Critical patent/JP2005197028A/en
Publication of JP2005197028A publication Critical patent/JP2005197028A/en
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

<P>PROBLEM TO BE SOLVED: To provide a luminaire controlled by a pyroelectric infrared-ray sensor (human body sensor) prevented from erroneous operation of self-flickering. <P>SOLUTION: The luminaire comprises a fluorescent lamp or an incandescent lamp 2 and the pyroelectric infrared-ray sensor (pyroelectric sensor) 3 covered by a semi-translucent globe 4 (made of polyethylene or the like transmitting infrared-ray from a human body)under a main body 1, and lights the lamp 2 when the human body is detected by the sensor 3. The human body detecting function is made ineffective and the lamp 2 is forcibly turned into a whole light lighting mode during a prescribed period (for example, 30 second) soon after turning on the power, and after finishing the whole lamp lighting mode, the ineffectiveness of the human body detecting function is continued until the output of the lamp 2 intermediately falls down. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、焦電型赤外線センサー(焦電センサ)により制御される照明器具に関する。   The present invention relates to a lighting fixture controlled by a pyroelectric infrared sensor (pyroelectric sensor).

本体の下面にランプと焦電型赤外線センサーを設けて前記センサーのみを露出する窓孔のある半透光性のグローブで覆い、前記センサーにより人体が検知された場合に前記ランプを点灯する照明器具はよく知られたところである。そして、焦電型赤外線センサーでは電源投入直後から約10〜20秒間程度は動作が不安定なため、そのセンサーからの出力状態を無視して人体検知機能を無効にするとともに、電源投入直後の所定時間に渡ってランプを強制的に全光点灯モードとしてユーザーに不審感を与えないようにするとともに、この時間を前記センサーのための安定化待機時間としている。そして、この全光点灯モード終了後は人体検知機能を有効にするとともに、人体検知のない限り前記ランプを消灯させていた。ところで、特許文献１のように、本体の下面にランプと焦電型赤外線センサーを設けた上で前記のような窓孔のない半透光性のグローブで覆う照明器具も知られている。
特開平１０−１０６３４０号公報 A luminaire provided with a lamp and a pyroelectric infrared sensor on the lower surface of the main body, covered with a semi-transparent glove having a window hole exposing only the sensor, and lighting the lamp when a human body is detected by the sensor Is well known. And since the pyroelectric infrared sensor is unstable in operation for about 10 to 20 seconds immediately after the power is turned on, the output from the sensor is ignored and the human body detection function is invalidated. The lamp is forcibly set to the all-light lighting mode over time so as not to give a suspicious feeling to the user, and this time is set as a stabilization waiting time for the sensor. After the all-light lighting mode is completed, the human body detection function is enabled and the lamp is turned off unless there is a human body detection. Incidentally, as in Patent Document 1, there is also known a lighting fixture in which a lamp and a pyroelectric infrared sensor are provided on the lower surface of a main body and covered with a semi-transparent glove having no window hole as described above.
JP-A-10-106340

しかし、特許文献１のような照明器具において、電源投入直後の強制的全光点灯モードの終了後にランプが消灯すると、次のような問題が発生することが分かってきた。すなわち、人体が検知されていないにもかかわらず、一旦消灯したランプが再び点灯する問題である。この原因について究明して行くと、最近の照明器具は小型化または薄型化される傾向にあるにもかかわらず、ランプは逆に比較的高ワットのものが用いられるようになっており、ランプからわずかに放出される長波長域(人体からの赤外線と同様な10μｍ前後の長波長域)の赤外線が前記センサーに入射して検知されており、前記センサーは入射する赤外線量の変化に反応するタイプのため、ランプがいきなり消灯になると人体を検知したときと同様に検知信号を発生してしまい、ランプが点灯するということであった。このように、焦電型赤外線センサーをグローブ内に収めた照明器具においては、ランプからの赤外光がグローブ内面で反射して前記センサーに入射するため、このような問題(自己点滅誤動作)が発生しやすくなっているのが判明した。本発明はこのような解決すべき課題を鑑み、焦電型赤外線センサー(人体センサー)により制御される照明器具における自己点滅誤動作を防止することを目的とする。   However, it has been found that the following problems occur when the lamp is turned off after the forced all-light lighting mode ends immediately after the power is turned on in the lighting fixture as in Patent Document 1. That is, there is a problem that a lamp once turned off is turned on again even though a human body is not detected. When investigating this cause, even though recent lighting fixtures tend to be smaller or thinner, lamps with relatively high wattage are used instead. Slightly emitted long-wavelength range (long wavelength range around 10μm, similar to the infrared rays from the human body) is detected by being incident on the sensor, and the sensor responds to changes in the amount of incident infrared rays. Therefore, when the lamp suddenly turns off, a detection signal is generated in the same manner as when a human body is detected, and the lamp is turned on. In this way, in the lighting fixture in which the pyroelectric infrared sensor is housed in the globe, the infrared light from the lamp is reflected by the inner surface of the globe and enters the sensor. It turns out that it is easy to occur. In view of such problems to be solved, an object of the present invention is to prevent a self-flashing malfunction in a lighting fixture controlled by a pyroelectric infrared sensor (human body sensor).

本発明を要約すると、本体の下面にランプと焦電型赤外線センサーを設けて半透光性のグローブで覆い、前記センサーにより人体が検知された場合に前記ランプを点灯する照明器具において、電源投入直後の所定時間に渡って人体検知機能を無効にするとともにランプを強制的に全光点灯モードとし、この全光点灯モード終了後、ランプの出力が中間的に低下した時点まで人体検知機能の無効を継続した照明器具である。   To summarize the present invention, a lamp and a pyroelectric infrared sensor are provided on the lower surface of the main body and covered with a semi-transparent glove, and the lighting is turned on when a human body is detected by the sensor. The human body detection function is disabled for a predetermined time immediately after that and the lamp is forcibly set to the all-light lighting mode. After the all-light lighting mode ends, the human body detection function is disabled until the output of the lamp drops to the middle. It is the lighting equipment which continued.

本発明によれば、電源投入直後の強制的な全光点灯モード終了後、ランプの出力が中間的に低下した時点まで人体検知機能の無効を継続しているため、その間に焦電型赤外線センサーから誤った人体検知信号が出力されたとしても、従来のようにランプが再び全光点灯するような自己点滅誤動作が防止される。また、前記無効継続時間が終了すると人体検知機能が有効になるが、この時点からの消灯になるまでのランプ出力変化は小さいため、やはり、自己点滅誤動作が防止される。さらに、人体検知機能が有効になった時点で動いている人体が存在すれば直ちにランプが点灯するため、電源投入直後からそこに存在し続けているユーザーにとって、全光点灯モード後、殆ど間断なくランプが点灯しているように感じられて違和感が解消される。   According to the present invention, after the forced all-light lighting mode immediately after the power is turned on, the human body detection function continues to be disabled until the lamp output is reduced to an intermediate level. Even if an erroneous human body detection signal is output from, a self-flashing malfunction that causes the lamp to turn on all light again is prevented. In addition, when the invalid duration time ends, the human body detection function is enabled. However, since the change in lamp output from this point until the lamp is turned off is small, the self-flashing malfunction is also prevented. In addition, if there is a moving human body when the human body detection function is enabled, the lamp will light up immediately, so for users who have been there immediately after power-on, there is almost no interruption after the all-light lighting mode. It feels like the lamp is lit, and the discomfort is resolved.

次に、本発明の実施形態を説明するが、それはあくまで本発明に基づいて採択された例示的な実施形態であり、本発明をその実施形態に特有な事項に基づいて限定解釈してはならず、本発明の技術的範囲は、特許請求の範囲の請求項に示した事項さらにはその事項と実質的に等価である事項に基づいて定めなければならない。   Next, an embodiment of the present invention will be described. However, this is merely an exemplary embodiment adopted based on the present invention, and the present invention should not be limitedly interpreted based on matters specific to the embodiment. The technical scope of the present invention should be determined based on the matters shown in the claims of the claims and matters substantially equivalent to the matters.

図示の実施形態は、本体１の下面に蛍光ランプまたは白熱ランプなどのランプ２と焦電型赤外線センサー(焦電センサ)３を設けて半透光性のグローブ４(人体からの赤外線を通すポリエチレン製など)で覆い、前記センサー３により人体が検知された場合に前記ランプ２を点灯する照明器具において、電源投入直後の所定時間(例えば30秒間)に渡って人体検知機能を無効にするとともにランプ２を強制的に全光点灯モードとし、この全光点灯モード終了後、ランプ２の出力が中間的に低下した時点まで人体検知機能の無効を継続した照明器具である。   In the illustrated embodiment, a lamp 2 such as a fluorescent lamp or an incandescent lamp and a pyroelectric infrared sensor (pyroelectric sensor) 3 are provided on the lower surface of a main body 1 to provide a semi-transparent glove 4 (polyethylene that transmits infrared rays from a human body). In a lighting fixture that turns on the lamp 2 when a human body is detected by the sensor 3, the human body detection function is disabled for a predetermined time (for example, 30 seconds) immediately after turning on the power. 2 is forcibly set to the all-light lighting mode, and after completion of the all-light lighting mode, the human body detection function is continuously disabled until the time when the output of the lamp 2 is lowered intermediately.

前記所定時間としては最低限20秒程度あればよく、上限としては、点灯継続し過ぎてユーザーに不審感を持たれないように60秒程度とすればよい。また、ランプ２の出力が中間的に低下した時点とは、ランプ２の光出力変化比に換算して30〜70％の時点である。そして、本実施形態では、ランプ２は二重環型40Ｗのように高輝度タイプの環状蛍光ランプであり、その略中央にセンサー３を配置している。前記センサー３の検知信号はマイコン５に入力され、マイコン５は検知信号に応じてインバータ制御部６に点灯信号を供給する。インバータ制御部６はインバータ７の半導体スイッチング素子を開閉するためのインバータ駆動信号を供給し、これによりインバータ７の高周波交流出力はランプ２に供給される。   The predetermined time may be at least about 20 seconds, and the upper limit may be about 60 seconds so that the user does not feel suspicious because the lighting continues for a long time. Further, the time when the output of the lamp 2 is lowered intermediately is a time of 30 to 70% in terms of the light output change ratio of the lamp 2. In the present embodiment, the lamp 2 is a high-luminance type annular fluorescent lamp such as a double ring type 40W, and the sensor 3 is disposed at substantially the center thereof. The detection signal of the sensor 3 is input to the microcomputer 5, and the microcomputer 5 supplies a lighting signal to the inverter control unit 6 in accordance with the detection signal. The inverter control unit 6 supplies an inverter drive signal for opening and closing the semiconductor switching element of the inverter 7, whereby the high frequency AC output of the inverter 7 is supplied to the lamp 2.

動作を説明すると、まず、電源が本照明器具に時刻t0にて投入されると、マイコン５はセンサー３からの出力状態を無視することにより人体検知機能を無効にするとともに強制的に点灯信号をインバータ制御部６に出力するのでインバータ制御部６はインバータ７を全出力動作させて、ランプ２は強制的に全光点灯(定格点灯)する。この目的は前述したように、焦電型赤外線センサー３は電源投入直後から約10〜20秒間程度は動作が不安定なため、そのセンサー３からの出力状態(検知信号)を無視して人体検知機能を無効にし、電源投入直後の所定時間に渡ってランプ２を強制的に全光点灯するものであり、この時間を前記センサー３のための安定化待機時間としている。この時間内では人体検知機能が無効なため、センサー３の出力に現れる人体検知信号の状態に関係なくランプ２が点灯継続する。この時間が経過した後、時刻t2にてマイコン５は直ちにランプ２を消灯しようとするが、本実施形態の特徴として、時刻t2〜t3においても人体検知機能の無効を継続する。すなわち、ランプ２の出力が中間的に低下した時点t3まで人体検知機能の無効を継続する。   To explain the operation, first, when the power is turned on to the lighting fixture at time t0, the microcomputer 5 ignores the output state from the sensor 3 to invalidate the human body detection function and forcibly turn on the lighting signal. Since it outputs to the inverter control part 6, the inverter control part 6 makes the inverter 7 operate | move all the outputs, and the lamp | ramp 2 forcibly lights up all the lights (rated lighting). As described above, the purpose of the pyroelectric infrared sensor 3 is unstable for about 10 to 20 seconds immediately after the power is turned on. Therefore, human body detection is performed by ignoring the output state (detection signal) from the sensor 3. The function is disabled and the lamp 2 is forcibly turned on for a predetermined time immediately after the power is turned on, and this time is set as a stabilization waiting time for the sensor 3. Since the human body detection function is invalid during this time, the lamp 2 continues to be lit regardless of the state of the human body detection signal appearing in the output of the sensor 3. After this time has elapsed, the microcomputer 5 immediately tries to turn off the lamp 2 at time t2, but as a feature of the present embodiment, the human body detection function continues to be disabled from time t2 to t3. That is, the disabling of the human body detection function is continued until time t3 when the output of the lamp 2 falls in the middle.

このように、電源投入直後の強制的な全光点灯モード終了後、ランプ２の出力が中間的に低下した時点t3まで人体検知機能の無効を継続しているため、その間に焦電型赤外線センサー３から誤った人体検知信号(図３において時刻t2〜t3の間に発生している人体検知信号)が出力されたとしても、従来のようにランプ２が再び全光点灯するような自己点滅誤動作が防止される。また、前記無効継続時間が時刻t3にて終了すると人体検知機能が有効になるが、この時点からの消灯(時刻t4)になるまでのランプ出力変化は小さいため、やはり、自己点滅誤動作が防止される。さらに、人体検知機能が有効になった時点で動いている人体が存在すれば直ちにランプ２が点灯するため、電源投入直後からそこに存在し続けているユーザーにとって、全光点灯モード後、殆ど間断なくランプ２が点灯しているように感じられて違和感が解消される。また、その後は例えば時刻t5にて人体検知されるとランプ２が点灯するという人体検知機能の有効継続モードになっている。なお、図には記載されないが、人体検知機能の有効継続モード中に人体非検知によりランプ２が消灯する場合には、一旦調光点灯になってから消灯するという段階的消灯制御を行うと、自己点滅誤動作が防止される。   As described above, after the forced all-light lighting mode immediately after the power is turned on, the human body detection function continues to be disabled until the time t3 when the output of the lamp 2 is reduced to an intermediate level. Even if an incorrect human body detection signal (human body detection signal generated between times t2 and t3 in FIG. 3) is output from 3, the self-flashing malfunction that causes the lamp 2 to light all the light again as in the past. Is prevented. In addition, when the invalid duration time ends at time t3, the human body detection function is enabled, but since the change in lamp output from this point until the lamp is turned off (time t4) is small, the self-flashing malfunction is also prevented. The Furthermore, if there is a moving human body when the human body detection function is enabled, the lamp 2 is turned on immediately. Therefore, for a user who has been there immediately after the power is turned on, there is almost no interruption after the all-light lighting mode. It feels like the lamp 2 is lit without any discomfort. In addition, after that, for example, when the human body is detected at time t5, the human body detection function is in an effective continuation mode in which the lamp 2 is turned on. Although not shown in the figure, when the lamp 2 is turned off due to non-detection of the human body during the effective continuation mode of the human body detection function, when performing step-by-step turn-off control of turning off the light after turning on the light once, Self-flashing malfunction is prevented.

本発明の実施形態を示す断面図Sectional drawing which shows embodiment of this invention 同回路ブロック図Same circuit block diagram 同動作のタイミング図Timing chart of the operation

符号の説明Explanation of symbols

１ 本体
２ ランプ
３ 焦電型赤外線センサー
４ グローブ 1 body 2 lamp 3 pyroelectric infrared sensor 4 globe

Claims (3)

本体の下面にランプと焦電型赤外線センサーを設けて半透光性のグローブで覆い、前記センサーにより人体が検知された場合に前記ランプを点灯する照明器具において、電源投入直後の所定時間に渡って人体検知機能を無効にするとともにランプを強制的に全光点灯モードとし、この全光点灯モード終了後、ランプの出力が中間的に低下した時点まで人体検知機能の無効を継続した照明器具。   A lamp and pyroelectric infrared sensor are provided on the lower surface of the main body and covered with a semi-transparent glove. When a human body is detected by the sensor, the lamp is turned on for a predetermined time immediately after the power is turned on. The lighting device that disables the human body detection function and forcibly puts the lamp into the all-light lighting mode, and continues to disable the human body detection function until the point when the lamp output drops midway after the all-light lighting mode ends. 請求項１において、ランプの出力が中間的に低下した時点とは、ランプの光出力変化比に換算して30〜70％の時点である照明器具。   2. The lighting apparatus according to claim 1, wherein the time when the output of the lamp is lowered intermediately is a time of 30 to 70% in terms of a light output change ratio of the lamp. 請求項１において、ランプは環状の蛍光ランプであり、その略中央にセンサーを配置した照明器具。   2. The luminaire according to claim 1, wherein the lamp is an annular fluorescent lamp, and a sensor is arranged at substantially the center thereof.
JP2004000432A 2004-01-05 2004-01-05 Luminaire Pending JP2005197028A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008109511A (en) * 2006-10-26 2008-05-08 Matsushita Electric Works Ltd Automatic switch with hot wire sensor
JP2013122422A (en) * 2011-12-12 2013-06-20 Rohm Co Ltd Human sensor and lighting apparatus provided with the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008109511A (en) * 2006-10-26 2008-05-08 Matsushita Electric Works Ltd Automatic switch with hot wire sensor
JP2013122422A (en) * 2011-12-12 2013-06-20 Rohm Co Ltd Human sensor and lighting apparatus provided with the same

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