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JP5016445B2 - lighting equipment - Google Patents

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JP5016445B2
JP5016445B2 JP2007278130A JP2007278130A JP5016445B2 JP 5016445 B2 JP5016445 B2 JP 5016445B2 JP 2007278130 A JP2007278130 A JP 2007278130A JP 2007278130 A JP2007278130 A JP 2007278130A JP 5016445 B2 JP5016445 B2 JP 5016445B2
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sensor
light source
lighting fixture
detection
lighting
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JP2009105013A (en
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忠 村上
成夫 五島
寿一 川島
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Panasonic Corp
Panasonic Holdings Corp
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Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Description

本発明は、人検知により光源を点灯させる照明器具に関する。   The present invention relates to a lighting apparatus that turns on a light source by human detection.

従来から、照明器具に取付けられる人感センサとしては、PIR(Passive Infrared Ray)センサが使用されている。PIRセンサは、センサ内に設けられた焦電素子が周囲の赤外線を検知して、検知エリア内の温度変化から人の存否を検知するものである。このPIRセンサは、安価で、消費電力が少なく、装置の設置が容易である等の利点があることから、照明器具を含む広い分野で使用されている。しかし、PIRセンサは、検知エリアの温度変化を検知するという特性上、照明器具に用いられる際には、その取付位置が制限されていた。具体的には、PIRセンサの検知エリアに光源等の熱源があると、その熱の影響を受けて誤検知を生じることがあるので、光源をPIRセンサの検知エリア内に設置する、又はPIRセンサを光源の近傍に設置すること等ができなかった。   Conventionally, a PIR (Passive Infrared Ray) sensor has been used as a human sensor attached to a lighting fixture. In the PIR sensor, a pyroelectric element provided in the sensor detects ambient infrared rays and detects the presence or absence of a person from a temperature change in a detection area. Since this PIR sensor has advantages such as low cost, low power consumption, and easy installation of the apparatus, it is used in a wide range of fields including lighting fixtures. However, the mounting position of the PIR sensor is limited when it is used in a lighting fixture due to the characteristic of detecting a temperature change in the detection area. Specifically, if there is a heat source such as a light source in the detection area of the PIR sensor, erroneous detection may occur due to the influence of the heat, so the light source is installed in the detection area of the PIR sensor, or the PIR sensor Could not be installed near the light source.

そこで、従来は、図3に示すように、直管型蛍光灯を備えた照明器具101においては、光源102を保持するソケット部分121に、センサ105を取り付け、このセンサ105の検知エリアS1(ハッチング部分)に光源102等の熱源が含まれないようする設計が行われていた(例えば、特許文献1参照)。また、カバー206を備えた照明器具201においては、センサ205が、図4(a)に示すように、カバー206の外側に取り付けられたり、図4(b)に示すように、器具本体203の端部に設置されていた(例えば、特許文献2参照)。   Therefore, conventionally, as shown in FIG. 3, in a lighting fixture 101 having a straight tube fluorescent lamp, a sensor 105 is attached to a socket portion 121 that holds a light source 102, and a detection area S1 (hatching) of the sensor 105 is attached. The design was made such that the heat source such as the light source 102 is not included in the portion (see, for example, Patent Document 1). Moreover, in the lighting fixture 201 provided with the cover 206, the sensor 205 is attached to the outer side of the cover 206 as shown in FIG. 4 (a), or as shown in FIG. It was installed at the end (see, for example, Patent Document 2).

また、器具本体の底板に人感センサを配置し、この人感センサに超音波センサを用いた照明器具が知られている(例えば、特許文献3参照)。更に、人体検知のために電波を送信する人感センサを備えた照明装置も知られている(例えば、特許文献4参照)。
特開2001−184936号公報 特開2002−42543号公報 特開2006−32050号公報 特開2001−305220号公報
There is also known a lighting fixture in which a human sensor is arranged on the bottom plate of the fixture main body and an ultrasonic sensor is used as the human sensor (for example, see Patent Document 3). Further, an illumination device including a human sensor that transmits radio waves for human body detection is also known (see, for example, Patent Document 4).
JP 2001-184936 A JP 2002-42543 A Japanese Patent Laid-Open No. 2006-32050 JP 2001-305220 A

しかしながら、特許文献1乃至特許文献3に示される照明器具では、センサが器具の外側に露出していて、ユーザの目に付き易く、照明器具の外観上の見栄えが悪くなるという問題があった。また、センサが露出していると、太陽光や風等の外的要因の影響を受け易くなり、センサの誤作動の原因となる。   However, in the lighting fixtures shown in Patent Literature 1 to Patent Literature 3, there is a problem that the sensor is exposed to the outside of the fixture, is easily noticeable by the user, and the appearance of the lighting fixture is poor. Further, when the sensor is exposed, it is easily affected by external factors such as sunlight and wind, which causes malfunction of the sensor.

また、図3に示すように、センサ105の検知エリアS1(ハッチング部分)に光源102等が含まれないようにすると、センサ105の検知エリアS1と光源からの光の照射エリアR1(破線で挟まれた部分)とが不一致となり、センサ付照明器具としての十分に機能しない虞がある。特許文献4に示される照明装置においては、照明装置とセンサとが相対的に離れて設置されるので、検知エリアS1と照射エリアR1との差異が大きくなり、施設やオフィス、一般住宅等の比較的広い屋内で使用されるときに、正確に人の存在を検知して光源を点灯させることができない。   Further, as shown in FIG. 3, if the light source 102 or the like is not included in the detection area S1 (hatched portion) of the sensor 105, the detection area S1 of the sensor 105 and the irradiation area R1 of light from the light source (between the broken lines) May not function sufficiently as a sensor-equipped lighting fixture. In the illumination device shown in Patent Document 4, since the illumination device and the sensor are installed relatively apart from each other, the difference between the detection area S1 and the irradiation area R1 becomes large, and comparison of facilities, offices, ordinary houses, and the like is made. When used indoors, it is impossible to accurately detect the presence of a person and turn on the light source.

本発明は、上記課題を解決するものであり、人感センサを器具外に露出させないことにより、外観上の見栄えを良くすると共に、人感センサの誤作動を防止し、また、器具設計上の自由度が高く、しかも、想定される検知エリア内で正確に人の存在を検知して光源を点灯させる照明器具を提供することを目的とする。   SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and by preventing the human sensor from being exposed to the outside of the instrument, it improves the appearance and prevents malfunction of the human sensor, An object of the present invention is to provide a lighting apparatus that has a high degree of freedom and that accurately detects the presence of a person within an assumed detection area and lights a light source.

上記課題を解決するため、請求項1の発明は、光源と、この光源を取り付ける器具本体と前記光源を点灯制御する制御部と、この制御部に対するトリガ信号を生成するためのアクティブ型の人感センサと、前記光源及び人感センサを覆うカバーと、を備えた照明器具であって、前記アクティブ型の人感センサは、ミリ波センサであり、前記器具本体の中央部に設けられるものである。
In order to solve the above-mentioned problems, the invention of claim 1 is directed to a light source, an instrument body to which the light source is attached , a control unit for controlling the lighting of the light source, and an active person for generating a trigger signal for the control unit. A lighting device provided with a sensor for sensing and a cover for covering the light source and the human sensor , wherein the active human sensor is a millimeter wave sensor and is provided at a central portion of the instrument body. is there.

請求項1の発明によれば、検出手段が目立たなくなるので、照明器具の外観上の見栄えが良くなり、また、アクティブ型の人感センサは光源からの熱に影響されないので、光源の位置に拘わらず、照明器具の任意の位置に設置することができ、器具設計上の自由度が高くなる。また、検出手段を器具本体の略中央部に取り付けて、その検知エリアを、光源の光の照射エリアと略一致させることにより、想定される検知エリア内で正確に人の存在を検知して光源を点灯させることができる。 According to the first aspect of the present invention, since the detection means is not conspicuous, the appearance of the luminaire is improved, and the active human sensor is not affected by the heat from the light source, so that the position of the light source is limited. Therefore, it can be installed at an arbitrary position of the lighting fixture, and the degree of freedom in designing the fixture is increased. In addition, the detection means is attached to the substantially central portion of the instrument body, and its detection area is made to substantially coincide with the light irradiation area of the light source, thereby accurately detecting the presence of a person within the assumed detection area. Can be lit.

また、遮蔽物に覆われていても人検知が可能なミリ波センサをアクティブ型の人感センサとして用いているので、ミリ波センサをカバー等で隠すことにより、照明器具の外観上の見栄えが更に良くなる。また、ミリ波センサは、センシング部が小型であっても、長距離かつ広範囲の検知エリアを任意に制御することができので、一般的なアクティブ型の人感センサに比べて、照明器具をコンパクトにすることができる。 In addition, since the millimeter wave sensor that can detect people even if it is covered by a shield is used as an active human sensor, the appearance of the lighting fixture can be improved by hiding the millimeter wave sensor with a cover or the like. It gets even better. Further, the millimeter-wave sensor, even sensing unit is small, since Ru can be arbitrarily controlled over long distances and a broad range of detection area, as compared to the human sensor common active, the luminaire It can be made compact.

本発明の第1の実施形態に係る照明器具について、図1(a)(b)を参照して説明する。本実施形態の照明器具1は、施設やオフィス等で使用される照明器具であって、光源に直管型蛍光灯を用い、この蛍光灯が外部に露出した2灯用センサ付照明器具を例として挙げる。照明器具1は、光源2と、この光源2を取り付ける器具本体3と、光源2を点灯制御する制御部4と、この制御部4に対して人体検出時にトリガ信号を生成するための検出手段5とを備える。なお、制御部4は、器具本体3と一体的に構成されていてもよい。   The lighting fixture which concerns on the 1st Embodiment of this invention is demonstrated with reference to Fig.1 (a) (b). The lighting fixture 1 of this embodiment is a lighting fixture used in facilities, offices, etc., and uses a straight tube fluorescent lamp as a light source, and an example of a lighting fixture with a sensor for two lamps in which the fluorescent lamp is exposed to the outside. As The luminaire 1 includes a light source 2, a fixture body 3 to which the light source 2 is attached, a control unit 4 that controls lighting of the light source 2, and a detection unit 5 that generates a trigger signal when detecting a human body with respect to the control unit 4. With. The control unit 4 may be configured integrally with the instrument body 3.

光源2は、ソケット部21を介して器具本体3に取り付けられると共に、制御部4と電気的に接続される。また、制御部4は、検出手段5と電気的に接続され、検出手段5から送信されたトリガ信号に応じて光源2を点灯制御する。なお、制御部4には、光源2を点灯させるための適宜の点灯回路等も含まれる。   The light source 2 is attached to the instrument main body 3 via the socket part 21 and is electrically connected to the control part 4. The control unit 4 is electrically connected to the detection unit 5 and controls the lighting of the light source 2 according to the trigger signal transmitted from the detection unit 5. The control unit 4 includes an appropriate lighting circuit for lighting the light source 2.

検出手段5は、アクティブ型の人感センサであり、光源2の被照射面に近接する位置よりも器具本体3に近い領域に設けられる。より好ましくは、検出手段5は、器具本体3の略中央部に取り付けられる。また、本実施形態においては、アクティブ型の人感センサとして、超音波センサが用いられる。   The detection means 5 is an active human sensor, and is provided in a region closer to the instrument body 3 than a position close to the irradiated surface of the light source 2. More preferably, the detection means 5 is attached to a substantially central portion of the instrument body 3. In the present embodiment, an ultrasonic sensor is used as an active human sensor.

超音波センサは、自ら超音波を発信して、反射対象に当って返って来た超音波を受信するまでの時間を計測し、その計測時間の変化から反射対象の存在を判別するものである。すなわち、超音波センサは、周囲温度の影響を受けることなく反射対象(人)の存否を検出することができるので、熱源となる光源の位置に拘わらず、センサを照明器具の任意の位置に設置することができる。そのため、照明器具の設計上の自由度を高くすることができ、そのデザイン性を損なわない器具設計も可能になる。   The ultrasonic sensor measures the time from transmitting an ultrasonic wave by itself to receiving the ultrasonic wave returned to the object to be reflected, and determines the presence of the object to be reflected from the change in the measurement time. . In other words, since the ultrasonic sensor can detect the presence or absence of a reflection target (person) without being affected by the ambient temperature, the sensor can be installed at an arbitrary position of the lighting fixture regardless of the position of the light source serving as a heat source. can do. Therefore, it is possible to increase the degree of freedom in designing the lighting fixture, and it is possible to design the fixture without impairing its design.

また、上述したように、検出手段5が、光源2の被照射面に近接する位置よりも器具本体3に近い領域に設けられることにより、検出手段5が目立たなくなるので、照明器具1の外観上の見栄えが良くなる。   Further, as described above, since the detection unit 5 is provided in a region closer to the fixture body 3 than the position close to the irradiated surface of the light source 2, the detection unit 5 becomes inconspicuous. Looks better.

従来のセンサ付照明器具では、図3に示したように、センサ105が、ソケット部分121に取り付けられていると、センサ105の検知エリアS1と、光源102の照射エリアR1とが不一致となる。そのため、照射エリアR1に人が侵入してもセンサ105が人の存在を検知しないために光源が点灯しない、又は照射エリアR1に人が侵入していないのに、センサ105が人の存在を検して、光源が点灯するといった弊害があった。これに対して、本実施形態の照明器具1では、検出手段5が、器具本体3の略中央部に取り付けられるので、検出手段5の検知エリアS1を、光源2の光の照射エリアR1と略一致させることができ、上記のような弊害を防止して、正確な人検知及び光源2の点灯を可能とする。   In the conventional lighting fixture with a sensor, as shown in FIG. 3, when the sensor 105 is attached to the socket part 121, the detection area S1 of the sensor 105 and the irradiation area R1 of the light source 102 do not match. For this reason, even if a person enters the irradiation area R1, the sensor 105 does not detect the presence of a person, so the light source does not turn on, or the sensor 105 detects the presence of a person even though no person has entered the irradiation area R1. As a result, the light source is turned on. On the other hand, in the lighting fixture 1 of this embodiment, since the detection means 5 is attached to the approximate center part of the fixture main body 3, the detection area S1 of the detection means 5 is substantially the light irradiation area R1 of the light source 2. It is possible to make them coincide with each other, preventing the above-described adverse effects, and enabling accurate human detection and lighting of the light source 2.

次に、本発明の第2の実施形態に係る照明器具について、図2を参照して説明する。本実施形態の照明器具1は、一般住宅の屋内等で使用されるシーリングライトであって、光源2に環状型蛍光灯を用い、この蛍光灯がカバー6に覆われたセンサ付照明器具を例として挙げる。本実施形態の検出手段5は、アクティブ型の人感センサとして、ミリ波センサが用いられ、この検出手段5もカバー6に覆われている。   Next, the lighting fixture which concerns on the 2nd Embodiment of this invention is demonstrated with reference to FIG. The luminaire 1 of the present embodiment is a ceiling light used indoors in a general house. The illuminator with a sensor in which an annular fluorescent lamp is used as the light source 2 and the fluorescent lamp is covered with a cover 6 is an example. As The detection means 5 of this embodiment uses a millimeter wave sensor as an active human sensor, and the detection means 5 is also covered with a cover 6.

人検知のために送受信される電波は樹脂のような遮蔽物を透過するので、ミリ波センサは、カバー6に覆われていても人検知が可能であり、カバー6によってミリ波センサが隠されることにより、照明器具1の外観上の見栄えが更に良くなる。また、好ましくは、カバー6は、ミリ波を透過させる透光性樹脂等の材料から形成される。こうすれば、カバー6によって検出手段5の人検知能が低下することもない。   Since radio waves transmitted and received for human detection pass through a shield such as resin, the millimeter wave sensor can detect a person even if it is covered by the cover 6, and the millimeter wave sensor is hidden by the cover 6. Thus, the appearance of the luminaire 1 is further improved. Preferably, the cover 6 is formed from a material such as a translucent resin that transmits millimeter waves. In this way, the human detection ability of the detection means 5 is not deteriorated by the cover 6.

また、超音波センサ又は赤外線センサは、検知距離を長くする、又は検知エリアを拡大する場合には、その特性上、センサシング部が大型化してしまうが、ミリ波センサは、センシング部が小型であっても、例えば、人検知に用いられる電波の出力を適宜に調整することにより、長距離かつ広範囲の検知エリアを任意に制御することができる。そのため、他のアクティブ型のセンサを備えた照明器具に比べて、照明器具1をコンパクトにすることができる。また、本実施形態の照明器具1は、検出手段5がカバー6によって隠されているので、照明器具1の寸法に対して比較的大型のセンシング部を備えたミリ波センサ等が用いられても、照明器具1の外観上の見栄えを悪くすることはない。   In addition, when the detection distance of the ultrasonic sensor or the infrared sensor is increased or the detection area is enlarged, the sensing part is enlarged due to its characteristics. However, the millimeter wave sensor has a small sensing part. Even in this case, for example, by appropriately adjusting the output of the radio wave used for human detection, it is possible to arbitrarily control a long-range and wide-range detection area. Therefore, the luminaire 1 can be made more compact than a luminaire provided with other active sensors. Moreover, since the detection means 5 is hidden with the cover 6 in the lighting fixture 1 of this embodiment, even if the millimeter wave sensor etc. provided with the comparatively large sensing part with respect to the dimension of the lighting fixture 1 are used. The appearance of the luminaire 1 does not deteriorate.

なお、本発明は、上記構成に限られることなく種々の変形が可能である。例えば、検出手段5は、上述した超音波センサ又はミリ波センサに限られず、人体を検知するアクティブ型のセンサであれば任意のものを適用できる。また、光源2も、上述した直管型蛍光灯や環状蛍光灯に限らず、例えば、白熱電球であってもよい。   The present invention is not limited to the above-described configuration, and various modifications can be made. For example, the detection means 5 is not limited to the above-described ultrasonic sensor or millimeter wave sensor, and any sensor can be applied as long as it is an active sensor that detects a human body. Further, the light source 2 is not limited to the straight tube fluorescent lamp or the annular fluorescent lamp described above, and may be, for example, an incandescent lamp.

(a)は本発明の第1の実施形態に係る照明器具の側断面図、(b)は同器具の正面断面図。(A) is a sectional side view of the lighting fixture which concerns on the 1st Embodiment of this invention, (b) is front sectional drawing of the fixture. 本発明の第2の実施形態に係る照明器具の側断面図。The sectional side view of the lighting fixture which concerns on the 2nd Embodiment of this invention. 従来の照明器具の側断面図。The sectional side view of the conventional lighting fixture. (a)(b)は従来の照明器具の側断面図。(A) and (b) are sectional side views of the conventional lighting fixture.

符号の説明Explanation of symbols

1 照明器具
2 光源
3 器具本体
4 制御部
5 検出手段(アクティブ型の人感センサ)
DESCRIPTION OF SYMBOLS 1 Lighting fixture 2 Light source 3 Appliance main body 4 Control part 5 Detection means (active type human sensor)

Claims (1)

光源と、この光源を取り付ける器具本体と、前記光源を点灯制御する制御部と、この制御部に対するトリガ信号を生成するためのアクティブ型の人感センサと、前記光源及び人感センサを覆うカバーと、を備えた照明器具であって、
前記アクティブ型の人感センサは、ミリ波センサであり、前記器具本体の中央部に設けられることを特徴とする照明器具。
Light source, a cover for covering the instrument body for attaching the light source, and a control unit that controls lighting of the previous SL source, an active-type human sensor for generating a trigger signal for the control unit, the light source and the human sensor When, a lighting device with a,
The active human sensor is a millimeter wave sensor, and is provided at a central portion of the fixture body.
JP2007278130A 2007-10-25 2007-10-25 lighting equipment Expired - Fee Related JP5016445B2 (en)

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JP5016445B2 true JP5016445B2 (en) 2012-09-05

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JP2012112745A (en) * 2010-11-24 2012-06-14 Panasonic Corp Lighting fixture with doppler sensor
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