JP2008004363A - Ceiling-embedded device - Google Patents

Ceiling-embedded device Download PDF

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JP2008004363A
JP2008004363A JP2006172296A JP2006172296A JP2008004363A JP 2008004363 A JP2008004363 A JP 2008004363A JP 2006172296 A JP2006172296 A JP 2006172296A JP 2006172296 A JP2006172296 A JP 2006172296A JP 2008004363 A JP2008004363 A JP 2008004363A
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ceiling
power supply
main body
signal
line
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Yasushi Morimoto
康司 森本
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Toshiba Lighting and Technology Corp
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Toshiba Lighting and Technology Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling embedded device capable of preventing or reducing bad influence on electric characteristics such as deterioration of the SN ratio of a signal. <P>SOLUTION: This ceiling-embedded device is equipped with a body 12 embedded in the mounting hole 16a of a ceiling plate 16 and provided with a power supply terminal part 24 connected to a power supply line 26a and a signal terminal part 23 connected to a signal line 25a, a protective cover 13 detachably mounted to the body to cover the power supply terminal part 24 and guide the extracting direction of the power supply line 26a to a direction different from the extracting direction of the signal line 25a. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は天井等に埋設される人感センサ装置や照度センサ装置等の天井等埋設装置に関する。   The present invention relates to a ceiling embedded device such as a human sensor device or an illuminance sensor device embedded in a ceiling or the like.

従来、この種の天井等埋設装置としては、例えば図８で示す人感・照度センサ装置１がある。このセンサ装置１は本願出願人の実施品であり、商品カタログ等には掲載されているが、特許文献には記載されていない。   Conventionally, as this type of embedding device such as a ceiling, for example, there is a human / illuminance sensor device 1 shown in FIG. This sensor device 1 is an implementation product of the applicant of the present application and is described in a product catalog or the like, but is not described in patent literature.

この人感・照度センサ装置１は、円盤状の底板２と、この底板２よりも小径（小幅）であって、その図８中上面上に同心状に立設される角筒状の本体３と、をＰＢＴ（ポリブチレンテレフタレータ）等の合成樹脂により一体に連成している。   The human / illuminance sensor device 1 includes a disk-shaped bottom plate 2 and a rectangular tube-shaped main body 3 which is smaller in diameter (smaller width) than the bottom plate 2 and is concentrically provided on the upper surface in FIG. Are integrally coupled with a synthetic resin such as PBT (polybutylene terephthalator).

底板２は、天井板４よりも図８中下方の空間を臨む下面に、人感センサ５、照度センサ６、リモコン受信器７をそれぞれ埋設している。   In the bottom plate 2, a human sensor 5, an illuminance sensor 6, and a remote control receiver 7 are embedded in the lower surface facing the space below the ceiling plate 4 in FIG. 8.

本体３は、その左右両外側面に、左右方向へ水平に延在する板ばねからなる左右一対の取付ばね８，８の下端を固着し、本体３の前後両側面に、図示しない信号用端子と電源端子９とをそれぞれ配設している。   The main body 3 has lower left and right mounting springs 8 and 8 made of leaf springs extending horizontally in the left and right sides fixed to the left and right outer surfaces thereof, and signal terminals (not shown) on the front and rear side surfaces of the main body 3. And a power supply terminal 9 are provided.

信号用端子には信号線１０が接続されている。この信号線１０は、この信号用端子と本体３内の図示しない配線を介して人感センサ５、照度センサ６、リモコン受信器７に電気的に接続されている。   A signal line 10 is connected to the signal terminal. The signal line 10 is electrically connected to the human sensor 5, the illuminance sensor 6, and the remote control receiver 7 through the signal terminal and a wiring (not shown) in the main body 3.

また、電源端子９には、電源線９Ａが接続され、この電源線９Ａから人感センサ５、照度センサ６、リモコン受信器７へ、図示しないＡＣ／ＤＣコンバータを介して所要の電力が供給される。   A power supply line 9A is connected to the power supply terminal 9, and necessary power is supplied from the power supply line 9A to the human sensor 5, the illuminance sensor 6, and the remote control receiver 7 through an AC / DC converter (not shown). The

このように構成された人感・照度センサ装置１は、図８に示すように水平方向に延在する左右一対の取付ばね８，８を本体３側へ起立させるように搾めた状態で本体３を天井板４の取付孔４ａ内へ嵌入し、底板２の上面外周部が天井板４の取付孔４ａの下面に密着し、かつ底板２の下面が取付孔４ａから下方の空間を臨む所定位置にて、左右一対の取付ばね８，８が水平方向に復元して取付孔４ａ内に弾性的に装着される。   The human-sensing / illuminance sensor device 1 configured as described above has a main body in a state where a pair of left and right mounting springs 8 and 8 extending in the horizontal direction are squeezed so as to stand up toward the main body 3 as shown in FIG. 3 is inserted into the mounting hole 4a of the ceiling plate 4, the outer periphery of the upper surface of the bottom plate 2 is in close contact with the lower surface of the mounting hole 4a of the ceiling plate 4, and the lower surface of the bottom plate 2 faces the space below the mounting hole 4a. At the position, the pair of left and right mounting springs 8 and 8 are restored in the horizontal direction and elastically mounted in the mounting hole 4a.

しかしながら、このような従来の天井等埋設装置では、電源線９Ａと信号線１０とを同一方向に引き出しているので、信号線が電源線と絡み合い、または近接する。このために、電源線９Ａの電磁作用により信号線の信号にノイズが重畳されて信号のＳＮ比を低減させ、誤動作を発生させる場合があった。   However, in such a conventional buried device such as a ceiling, the power line 9A and the signal line 10 are drawn out in the same direction, so that the signal line is intertwined with or close to the power line. For this reason, noise may be superimposed on the signal of the signal line due to the electromagnetic action of the power supply line 9A to reduce the signal-to-noise ratio of the signal and cause a malfunction.

また、電源用端子９は、電源線９Ａを、その絶縁被覆を削除した裸の芯線の状態で接続しており、その接続部が外部、例えば天井裏空間で露出しているので、この電源用端子９に雨水等が滴下して漏電が発生し、または塵埃等が堆積して導電性等を低下させる等、電気特性に悪影響を与える可能性がある。   Further, the power supply terminal 9 is connected to the power supply line 9A in a state of a bare core wire from which the insulation coating is removed, and the connection portion is exposed to the outside, for example, in the ceiling space. There is a possibility that the electrical characteristics will be adversely affected, such as rainwater or the like dripping onto the terminals 9 to cause electric leakage, or accumulation of dust or the like to reduce conductivity.

本発明はこのような事情を考慮してなされたもので、その目的は、簡単な構成により、信号のＳＮ比低下等の電気特性の悪影響を防止または低減することができる天井等埋設装置を提供することにある。   The present invention has been made in view of such circumstances, and an object of the present invention is to provide an embedded device such as a ceiling that can prevent or reduce adverse effects of electrical characteristics such as a decrease in signal-to-noise ratio of a signal with a simple configuration. There is to do.

請求項１に係る発明は、天井等取付部の取付孔に埋設され、電源線が接続された電源用端子および信号線が接続された信号用端子を備えた本体と；本体に着脱自在に装着されて電源用端子を被覆すると共に、電源線の引出方向を信号線の引出方向と相違する方向にガイドする保護カバーと；を具備していることを特徴とする天井等埋設装置である。   The invention according to claim 1 is a main body provided with a power terminal connected to a power line and a signal terminal connected with a signal line, embedded in a mounting hole of a mounting portion such as a ceiling; And a protective cover that covers the power supply terminal and guides the drawing direction of the power supply line in a direction different from the drawing direction of the signal line.

請求項２に係る発明は、天井電源用端子と信号用端子は、本体の同一面にて軸方向に並設されていることを特徴とする請求項１記載の天井等埋設装置である。   The invention according to claim 2 is the ceiling embedding device according to claim 1, wherein the ceiling power supply terminal and the signal terminal are arranged in parallel in the axial direction on the same surface of the main body.

請求項３に係る発明は、天井保護カバーは、電源線を信号線の引出方向と逆方向に向けた状態で挟持し固定するケーブルガイドおよび本体の被嵌合部と着脱自在に嵌合する嵌合部を備えていることを特徴とする請求項１または２記載の天井等埋設装置である。   According to a third aspect of the present invention, the ceiling protective cover includes a cable guide that holds and fixes the power supply line in a state opposite to the direction in which the signal line is drawn and a fitting that is detachably fitted to the fitted portion of the main body. The ceiling burying apparatus according to claim 1, further comprising a joint portion.

請求項４に係る発明は、天井本体は、取付孔に挿脱自在に形成されていることを特徴とする請求項１ないし３のいずれか一記載の天井等埋設装置である。   According to a fourth aspect of the present invention, in the ceiling or the like embedding device according to any one of the first to third aspects, the ceiling main body is formed to be detachable from the mounting hole.

請求項１に係る天井等埋設装置によれば、保護カバーにより、信号線の引出方向と相違する方向へ電源線を引き出すので、信号線を電源線から離間させることができる。   According to the embedding device for a ceiling or the like according to claim 1, the power line is drawn out in a direction different from the direction in which the signal line is drawn out by the protective cover, so that the signal line can be separated from the power line.

このために、電源線の電磁作用等により信号線の信号のＳＮ比が低下する等の電気的悪影響を防止または低減することができる。   For this reason, it is possible to prevent or reduce an adverse electrical effect such as a decrease in the signal-to-noise ratio of the signal of the signal line due to the electromagnetic action of the power line.

また、電源線の裸の芯線が接続された電源用端子の回りを保護カバーにより被覆するので、電源端子に雨水が滴下したり、塵埃が堆積するのを、保護カバーにより防止または低減できる。このために、電源用端子に雨水等が滴下して漏電が発生し、または塵埃等が堆積して電気特性に悪影響を与える等を防止または低減することができる。   In addition, since the periphery of the power supply terminal to which the bare core wire of the power supply line is connected is covered with the protective cover, it is possible to prevent or reduce rainwater from dripping and dust accumulation on the power supply terminal. For this reason, it is possible to prevent or reduce the occurrence of leakage due to rainwater or the like dripping onto the power supply terminal, or the accumulation of dust or the like that adversely affects the electrical characteristics.

請求項２に係る天井等埋設装置によれば、電源用端子と信号用端子が本体の同一面に配設され、しかも、軸方向に並設されているので、これら両端子が本体の異なる側面にそれぞれ配設され、しかも並んでいない場合に比して、電源用端子に電源線を接続する作業と、信号用端子に信号線を接続する作業の作業性を向上させることができる。   According to the ceiling or the like embedding device according to claim 2, since the power supply terminal and the signal terminal are arranged on the same surface of the main body and are arranged in parallel in the axial direction, these two terminals are different side surfaces of the main body. Compared to the case where the power lines are arranged and not lined up, the workability of the work of connecting the power supply line to the power supply terminals and the work of connecting the signal lines to the signal terminals can be improved.

また、電源用端子と信号用端子が本体の軸方向に沿って垂直（重力方向）に並設されているので、これら端子への雨水の滴下や塵埃の堆積を低減することができる。   In addition, since the power supply terminal and the signal terminal are arranged vertically (in the direction of gravity) along the axial direction of the main body, dripping of rainwater and accumulation of dust on these terminals can be reduced.

請求項３に係る天井等埋設装置によれば、保護カバーのケーブルガイドにより、電源線の引出方向を信号線の引出方向と逆向きに向けた状態で、この電源線を挟持し固定するので、電源線の弾性復元力等により、その引出方向が変位するのを防止または低減することができる。   According to the ceiling or the like embedding device according to claim 3, with the cable guide of the protective cover, the power supply line is sandwiched and fixed in a state in which the power supply line drawing direction is opposite to the signal line drawing direction. It is possible to prevent or reduce the displacement of the drawing direction due to the elastic restoring force of the power line.

また、保護カバーの嵌合部を本体の被嵌合部に嵌合させることにより、保護カバーを本体に簡単迅速かつ容易に装着することができる一方、これら嵌合状態を解除することにより、本体から保護カバーを簡単迅速かつ容易に取り外すことができる。   Also, by fitting the fitting part of the protective cover to the fitted part of the main body, the protective cover can be easily and quickly attached to the main body, while the fitting state is released to release the main body The protective cover can be removed easily and quickly.

請求項４に係る天井等埋設装置によれば、本体が天井板等の取付孔に挿脱自在に構成されているので、天井等埋設装置を、天井板等の取付孔に容易に挿入して装着する一方、取付孔から引き抜いて容易に取り外すことができる。   According to the ceiling embedding device according to claim 4, since the main body is configured to be detachable from the mounting hole such as the ceiling plate, the ceiling embedding device can be easily inserted into the mounting hole such as the ceiling plate. On the other hand, it can be easily removed by pulling out from the mounting hole.

以下、本発明の実施形態を図面に基づいて説明する。なお、複数の図面中、同一または相当部分には同一符号を付している。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, the same code | symbol is attached | subjected to the same or an equivalent part in several drawing.

図１は本発明に係る天井等埋設装置の一実施形態である天井等埋設用センサ装置１１を天井に埋設した状態を示す正面図、図２は同本体１２の斜視図、図３は同底面図である。   FIG. 1 is a front view showing a state in which a ceiling or the like embedding sensor device 11 according to an embodiment of the present invention is embedded in the ceiling, FIG. 2 is a perspective view of the main body 12, and FIG. FIG.

これら図１〜図３に示すようにセンサ装置１１は、ＰＢＴ等の合成樹脂製の本体１２と、同保護カバー１３とを具備している。本体１２は円盤上の底板１４上に、有蓋円筒状の本体ケーシング１５を同心状に立設している。   As shown in FIGS. 1 to 3, the sensor device 11 includes a main body 12 made of a synthetic resin such as PBT, and a protective cover 13. The main body 12 has a covered cylindrical main body casing 15 standing concentrically on a bottom plate 14 on a disk.

図１に示すように底板１４は、天井板１６の取付孔１６ａよりも大径に形成され、この取付孔１６ａに取り付けられたときに、天井板１６よりも図１中下方の空間を臨む下面のほぼ中央部に、照度センサ１７を配設し、その外周にて所要色の動作表示ランプ（ＬＥＤ）１８、リモコン送信ＬＥＤ（発光ダイオード）１９、リモコン受光部２０、人感センサ２１をそれぞれ配設している。   As shown in FIG. 1, the bottom plate 14 is formed to have a larger diameter than the mounting hole 16 a of the ceiling plate 16, and the lower surface facing the space below the ceiling plate 16 in FIG. An illuminance sensor 17 is disposed almost at the center, and an operation indicator lamp (LED) 18, a remote control transmission LED (light emitting diode) 19, a remote control light receiving unit 20, and a human sensor 21 are arranged on the outer periphery thereof. Has been established.

本体１２は、円筒状の本体ケーシング１５の直径方向で対向する左右両側面を所要幅の平面により軸方向にそれぞれ面取りし、これら面取りした左右両側面の下端部（根元部）に、図２，図３に示すように水平方向左右に延在する帯状板ばねよりなる左右一対の取付ばね２２ａ，２２ｂの下端部を固着している。   The main body 12 has chamfered left and right side surfaces opposed to each other in the diametrical direction of the cylindrical main body casing 15 in the axial direction with a plane having a required width. As shown in FIG. 3, the lower ends of a pair of left and right mounting springs 22a, 22b made of strip-shaped leaf springs extending in the horizontal direction are fixed.

本体ケーシング１５は、その軸方向中間部およびこれよりも上方の上部にて上下２段の凹状段部１５ａ，１５ｂをそれぞれ形成している。これら上下段部１５ｂ，１５ａは、その下段１５ａの後端（奥）から上段１５ｂの前端に連接する垂直壁面よりなる下段前面に、矩形の信号端子部２３を配設している。   The main body casing 15 is formed with two upper and lower concave step portions 15a and 15b at an intermediate portion in the axial direction and an upper portion above the intermediate portion. In these upper and lower step portions 15b and 15a, a rectangular signal terminal portion 23 is disposed on the lower front surface formed of a vertical wall surface connected from the rear end (back) of the lower step 15a to the front end of the upper step 15b.

また、上段１５ｂの後端（奥）から頂端１５ｃの前端に連接する垂直壁面よりなる上段前面に、矩形の電源端子部２４を配設している。したがって、電源端子部２４と信号端子部２３は本体ケーシング１５の同一の前面にて軸方向に並設される。   In addition, a rectangular power supply terminal portion 24 is disposed on the upper front surface composed of a vertical wall surface connected to the front end of the top end 15c from the rear end (back) of the upper step 15b. Therefore, the power terminal portion 24 and the signal terminal portion 23 are arranged side by side in the axial direction on the same front surface of the main body casing 15.

図４に示すように信号端子部２３は、信号ケーブル２５の複数本の信号線２５ａ，２５ｂ，…がそれぞれ接続される複数の信号端子を具備している。これら各信号端子は各信号線２５ａの絶縁被覆を所要長削除した後の芯線の先端部が挿入されることにより着脱可能に接続する図示しない挿入取付孔と、その芯線との接続状態を解除する図示しないリリースボタンと、を備えている。   As shown in FIG. 4, the signal terminal portion 23 includes a plurality of signal terminals to which a plurality of signal lines 25a, 25b,. Each of these signal terminals releases the connection state between the core wire and an insertion mounting hole (not shown) that is detachably connected by inserting the tip of the core wire after the required length of the insulation coating of each signal line 25a is deleted. A release button (not shown).

電源電子部２４は電源ケーブル２６のアース線を含む複数本の電源線２６ａ，２６ａ，…がそれぞれ接続される複数の電源端子を具備している。各電源端子も、信号用端子と同様に、各電源線２６ａの絶縁被覆を所要長削除された後の芯線先端部が挿入されることにより、着脱可能に接続される図示しない挿入取付孔と、その芯線との接続状態を解除する図示しないリリースボタンと、を備えている。   The power supply electronic unit 24 includes a plurality of power supply terminals to which a plurality of power supply lines 26a, 26a,. Similarly to the signal terminals, each power supply terminal has an insertion mounting hole (not shown) that is detachably connected by inserting the leading end of the core wire after the required length of the insulation coating of each power supply line 26a has been deleted, A release button (not shown) for releasing the connection state with the core wire.

図５に示すように電源線２６は、商用電源等の交流電源ＡＣに接続されている。信号線２５は蛍光灯等照明装置２７，２７，…の点灯回路に接続され、これら照明装置２７，…を、照度センサ１７の照度検出値に応じて調光制御し、または人の有無を検出する人感センサ５の検出信号に応じて照明装置２７，…をオンオフ制御するようになっている。   As shown in FIG. 5, the power line 26 is connected to an AC power source AC such as a commercial power source. The signal line 25 is connected to lighting circuits of lighting devices 27, 27,... Such as fluorescent lamps, and the lighting devices 27,... Are dimmed according to the detected illuminance value of the illuminance sensor 17, or the presence or absence of a person is detected. The illumination devices 27,... Are controlled to be turned on / off according to the detection signal of the human sensor 5 that performs the above operation.

そして、図１，図２に示すように、本体１２は、本体ケーシング１５の頂端１５ｃ上に、電源ケーブル２６の直径方向両端を挟持するＰＢＴ等合成樹脂製の左右一対のケーブルガイド２８ａ，２８ｂを一体に突設している。   As shown in FIGS. 1 and 2, the main body 12 has a pair of left and right cable guides 28 a and 28 b made of a synthetic resin such as PBT that clamps both ends in the diameter direction of the power cable 26 on the top end 15 c of the main body casing 15. Projected together.

また、本体ケーシング１５の上段１５ｂと頂端１５ｃ上には、側面形状がほぼ倒立Ｌ字状の有蓋角筒状の保護カバー１３を着脱自在に装着している。   Further, on the upper stage 15b and the top end 15c of the main body casing 15, a cover-covered rectangular tube-shaped protective cover 13 having a substantially inverted L-shaped side surface is detachably mounted.

図７（ａ）はこの保護カバー１３の側面図、同（ｂ）は同（ａ）の縦断面図、同（ｃ）は同（ａ）の平面図、同（ｄ）は同（ａ）の右側面図である。   7A is a side view of the protective cover 13, FIG. 7B is a longitudinal sectional view of FIG. 7A, FIG. 7C is a plan view of FIG. 7A, and FIG. FIG.

これらの図に示すように保護カバー１３は、有蓋角筒状のカバー本体１３ａにおける上記電源端子部２４の前方を覆う前部１３ｂの下端を、後部１３ｃの下端よりも所定長図中下方へ延在させている。この前部１３ｂの図中下端には、その前後において、左右一対の前部係止爪１３ｂ１，１３ｂ１と、左右一対の中部係止爪１３ｂ２，１３ｂ２とをそれぞれ一体に突設している。   As shown in these drawings, the protective cover 13 has a lower end of the front portion 13b covering the front of the power terminal portion 24 in the covered rectangular tubular cover body 13a extending downward in the figure by a predetermined length from the lower end of the rear portion 13c. It is left. A pair of left and right front locking claws 13b1 and 13b1 and a pair of left and right middle locking claws 13b2 and 13b2 are integrally projected at the lower end of the front portion 13b in the drawing.

図６に示すようにこれら中部係止爪１３ｂ２，１３ｂ２ｂは、本体ケーシング１５の上段１５ｂに形成された下段係合孔１５ｂ１内に係脱自在に嵌合される。前部係止爪１３ｂ１，１３ｂ１も下段１５ｂの図示しない左右一対の係合孔内に嵌合される。後部１３ｃは、その幅方向中間部にて、電源ケーブル２６を外部へ引き出すためのケーブル引出孔１３ｃ１を形成している。後部１３の下端にも左右一対の後部係止爪１３ｃ２，１３ｃ２を一体に突設している。これら一対の後部係止爪１３ｃ２，１３ｃ２は本体ケーシング１５の頂端１５ｃ上に形成された係合孔１５ｃ１，１５ｃ１内に係脱自在に嵌合される。   As shown in FIG. 6, these middle locking claws 13 b 2 and 13 b 2 b are detachably fitted into lower engagement holes 15 b 1 formed in the upper stage 15 b of the main body casing 15. The front locking claws 13b1 and 13b1 are also fitted in a pair of left and right engagement holes (not shown) in the lower stage 15b. The rear portion 13c forms a cable lead-out hole 13c1 for drawing the power cable 26 to the outside at the intermediate portion in the width direction. A pair of left and right rear locking claws 13c2 and 13c2 are also integrally projected at the lower end of the rear portion 13. The pair of rear locking claws 13c2 and 13c2 are detachably fitted into engagement holes 15c1 and 15c1 formed on the top end 15c of the main body casing 15.

この保護カバー１３を本体ケーシング１５の上段１５ｂと頂端１５ｃ上に装着する場合は、その前に、予め図６に示すように電源ケーブル２６を本体ケーシング１５の後方へ曲げ、さらに、この電源ケーブル２６を一対のケーブルガイド２８ａ，２８ｂ間に挿入して電源ケーブル２６を信号線２５の引出方向と逆方向に引き出しておく。   Before the protective cover 13 is mounted on the upper stage 15b and the top end 15c of the main casing 15, the power cable 26 is bent to the rear of the main casing 15 as shown in FIG. Is inserted between the pair of cable guides 28a and 28b, and the power cable 26 is pulled out in the direction opposite to the direction in which the signal line 25 is pulled out.

このように構成された天井等埋設装置１１を天井板１６に埋設する場合は、図４に示すように信号端子部２に信号線２５ａを接続し、電源端子部２４に電源線２６ａを接続した後、本体ケーシング１５の上段１５ｂと頂端１５ｃ上に保護カバー１３を装着する。この後、左右一対の取付ばね２２ａ，２２ｂを内方へ搾めて天井板１６の取付孔１６ａ内に挿入する。   When embedding the ceiling-embedded device 11 configured in this way in the ceiling plate 16, the signal line 25 a is connected to the signal terminal unit 2 and the power line 26 a is connected to the power terminal unit 24 as shown in FIG. Thereafter, the protective cover 13 is mounted on the upper stage 15 b and the top end 15 c of the main body casing 15. Thereafter, the pair of left and right mounting springs 22 a and 22 b are squeezed inward and inserted into the mounting holes 16 a of the ceiling plate 16.

すると、図１に示すように左右一対の取付ばね２２ａ，２２ｂの水平方向への弾性復元力が取付孔１６ａ内周面に作用して弾性的に保持される。これにより天井等埋設装置１１が取付孔１６ａに装着される。   Then, as shown in FIG. 1, the elastic restoring force in the horizontal direction of the pair of left and right mounting springs 22a and 22b acts on the inner peripheral surface of the mounting hole 16a and is elastically held. Thereby, the burial device 11 such as a ceiling is mounted in the mounting hole 16a.

したがって、この天井等埋設装置１１によれば、保護カバー１３により、信号線の引出方向の前方とは相違する後方へ電源線２６ａを引き出すので、信号線２５ａを電源線２６ａから離間させることができる。   Therefore, according to the burying device 11 such as the ceiling, the power cover 26a is drawn out by the protective cover 13 to the rear different from the front in the signal line drawing direction, so that the signal line 25a can be separated from the power line 26a. .

このために、電源線２６ａの電磁作用等により信号線２５ａの信号のＳＮ比が低下する等の電気的悪影響を防止または低減することができる。   For this reason, it is possible to prevent or reduce electrical adverse effects such as a decrease in the signal-to-noise ratio of the signal of the signal line 25a due to electromagnetic action of the power supply line 26a.

また、電源線２６ａの裸の芯線が接続された電源用端子部２４を保護カバー１３により被覆するので、電源用端子２４に雨水等が滴下して漏電が発生し、または塵埃等が堆積して電気特性に悪影響を与える等を防止または低減することができる。   Further, since the power supply terminal portion 24 to which the bare core wire of the power supply line 26a is connected is covered with the protective cover 13, rainwater or the like drops on the power supply terminal 24 to cause electric leakage, or dust or the like accumulates. It is possible to prevent or reduce adverse effects on electrical characteristics.

さらに、電源用端子部２４と信号用端子部２３が本体ケーシング１５の同一の前面に配設され、しかも、軸方向に並設されているので、これら両端子部２４，２３が本体ケーシング１５の異なる面に配設され、しかも並んでいない場合に比して、電源用端子部２４に電源線２６ａを接続する作業と、信号用端子部２３に信号線２５ａを接続する作業の作業性を向上させることができる。   Furthermore, since the power supply terminal portion 24 and the signal terminal portion 23 are disposed on the same front surface of the main casing 15 and are arranged in parallel in the axial direction, both the terminal portions 24 and 23 are connected to the main casing 15. Compared to the case where they are arranged on different surfaces and are not lined up, the workability of the work of connecting the power supply line 26a to the power supply terminal section 24 and the work of connecting the signal line 25a to the signal terminal section 23 is improved. Can be made.

また、電源用端子部２４と信号用端子部２３が本体ケーシング１５の軸方向に沿って垂直（重力方向）にそれぞれ配設されているので、これら端子部２４，２３への雨水の滴下や塵埃の堆積を低減することができる。   Further, since the power supply terminal portion 24 and the signal terminal portion 23 are arranged vertically (in the direction of gravity) along the axial direction of the main body casing 15, rainwater drops and dust on the terminal portions 24 and 23 are provided. Can be reduced.

さらに、保護カバー１３のケーブルガイド２８ａ，２８ｂにより、電源線２６ａの引出方向を信号線２５ａの引出方向と逆向きに向けた状態で、この電源線２６ａ、すなわち電源ケーブル２６を挟持し固定するので、電源ケーブル２６の弾性復元力等により、その引出方向が変位するのを防止または低減することができる。   Furthermore, the power supply line 26a, that is, the power supply cable 26 is sandwiched and fixed by the cable guides 28a and 28b of the protective cover 13 in a state where the direction of the power supply line 26a is directed opposite to the direction of the signal line 25a. The displacement of the drawing direction can be prevented or reduced by the elastic restoring force of the power cable 26 or the like.

また、保護カバー１３の嵌合部である係止爪１３ｂ１，１３ｂ１，１３ｂ２，１３ｂ２，１３ｃ２，１３ｃ２，…を本体ケーシング１５の被嵌合部である係合孔１５ｂ１，１５ｂ１，１５ｃ１，１５ｃ１，…に嵌合させることにより、保護カバー１３を本体ケーシング１５に簡単迅速かつ容易に装着することができる一方、これら嵌合状態を解除することにより、本体ケーシング２５から保護カバー１３を簡単迅速かつ容易に取り外すことができる。   Further, the engaging claws 13b1, 13b1, 13b2, 13b2, 13c2, 13c2,... That are the fitting portions of the protective cover 13 are engaged with the engaging holes 15b1, 15b1, 15c1, 15c1,. The protective cover 13 can be easily and quickly attached to the main body casing 15 by being fitted to each other, while the protective cover 13 is simply and quickly and easily removed from the main body casing 25 by releasing these fitting states. Can be removed.

さらに、本体ケーシング１５が天井板１６の取付孔１６ａに係脱自在に構成されているので、天井等埋設装置１１を、天井板１６等の取付孔１６ａに容易に挿入して装着する一方、取付孔から引き抜いて容易に取り外すことができる。   Further, since the main casing 15 is configured to be detachable from the mounting hole 16a of the ceiling plate 16, the ceiling embedding device 11 can be easily inserted into the mounting hole 16a of the ceiling plate 16 and mounted. It can be easily removed by pulling it out of the hole.

本発明の第１実施形態に係る天井等埋設装置を天井板に埋設した状態の一部を仮想線（２点鎖線と破線）で示す正面図。The front view which shows a part of state which embed | buried apparatus, such as a ceiling concerning 1st Embodiment of this invention, in the ceiling board with a virtual line (two-dot chain line and a broken line). 図１で示す天井等埋設装置本体の斜視図。FIG. 2 is a perspective view of the ceiling-embedding device main body shown in FIG. 1. 図１で示す天井等埋設装置本体の底面図。FIG. 2 is a bottom view of the ceiling-embedding device main body shown in FIG. 1. 図１で示す天井等埋設装置本体と、電源線および信号線との接続状態を主に示す斜視図。The perspective view which mainly shows the connection state of the embedment apparatus main bodies, such as a ceiling shown in FIG. 1, and a power wire and a signal line. 図１で示す天井等埋設装置と、電源線および信号線との配線状態を示す配線図。FIG. 2 is a wiring diagram illustrating a wiring state between the ceiling-embedded device shown in FIG. 1 and power and signal lines. 図１で示す天井等埋設装置の側面図。FIG. 2 is a side view of the ceiling embedding device shown in FIG. 1. 図１等で示す保護カバーを示しており、（ａ）は同側面図、（ｂ）は同（ａ）の縦断面図、（ｃ）は同（ａ）の平面図、（ｄ）は同（ａ）の背面図。The protective cover shown in FIG. 1 etc. is shown, (a) is the same side view, (b) is the longitudinal cross-sectional view of the same (a), (c) is the top view of the same (a), (d) is the same. The rear view of (a). 従来の天井等埋設装置本体の斜視図。The perspective view of the conventional burying apparatus main bodies, such as a ceiling.

符号の説明Explanation of symbols

１１…天井等埋設装置、１２…本体、１３…保護カバー、１４…底板、１５…本体ケーシング、１６…天井板、１６ａ…取付孔、１７…照度センサ、２１…人感センサ、２２ａ，２２ｂ…一対の取付ばね、２３…信号用端子部、２４…電源用端子部、２５ａ…信号線、２５ａ…信号線、２６ａ…電源線、２８ａ，２８ｂ…一対のケーブルガイド。   DESCRIPTION OF SYMBOLS 11 ... Embedded apparatus, such as ceiling, 12 ... Main body, 13 ... Protective cover, 14 ... Bottom plate, 15 ... Main body casing, 16 ... Ceiling plate, 16a ... Mounting hole, 17 ... Illuminance sensor, 21 ... Human sensor, 22a, 22b ... A pair of mounting springs, 23... Signal terminal, 24... Power supply terminal, 25 a... Signal line, 25 a... Signal line, 26 a... Power line, 28 a and 28 b.

Claims (4)

天井等取付部の取付孔に埋設され、電源線が接続された電源用端子および信号線が接続された信号用端子を備えた本体と；
本体に着脱自在に装着されて電源用端子を被覆すると共に、電源線の引出方向を信号線の引出方向と相違する方向にガイドする保護カバーと；
を具備していることを特徴とする天井等埋設装置。 A main body provided with a power supply terminal to which a power supply line is connected and a signal terminal to which a signal line is connected, embedded in a mounting hole of a mounting portion such as a ceiling;
A protective cover that is detachably attached to the main body and covers the power supply terminal, and guides the direction of the power supply line in a direction different from the direction of the signal line;
An embedding device for a ceiling or the like characterized by comprising: 電源用端子と信号用端子は、本体の同一面にて軸方向に並設されていることを特徴とする請求項１記載の天井等埋設装置。 The embedding apparatus for a ceiling or the like according to claim 1, wherein the power terminal and the signal terminal are arranged in parallel in the axial direction on the same surface of the main body. 保護カバーは、電源線を信号線の引出方向と逆方向に向けた状態で挟持し固定するケーブルガイドおよび本体の被嵌合部と着脱自在に嵌合する嵌合部を備えていることを特徴とする請求項１または２記載の天井等埋設装置。 The protective cover includes a cable guide that holds and fixes the power supply line in a state opposite to the direction in which the signal line is drawn out, and a fitting portion that is detachably fitted to the fitted portion of the main body. The ceiling embedding device according to claim 1 or 2. 本体は、取付孔に挿脱自在に形成されていることを特徴とする請求項１ないし３のいずれか一記載の天井等埋設装置。 4. The embedding device for a ceiling or the like according to any one of claims 1 to 3, wherein the main body is formed to be detachable from the mounting hole.
JP2006172296A 2006-06-22 2006-06-22 Ceiling-embedded device Pending JP2008004363A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010287581A (en) * 2010-09-01 2010-12-24 Sharp Corp Lighting system
JP2013225524A (en) * 2013-07-05 2013-10-31 Panasonic Corp Sensor unit and lighting fixture
JP2014032974A (en) * 2013-11-18 2014-02-20 Panasonic Corp Sensor unit, and luminaire
US8770781B2 (en) 2009-06-10 2014-07-08 Sharp Kabushiki Kaisha Lighting apparatus
JP2020126784A (en) * 2019-02-05 2020-08-20 三菱電機株式会社 Sensor device
JP7464473B2 (en) 2020-07-20 2024-04-09 矢崎エナジーシステム株式会社 Unit cable

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8770781B2 (en) 2009-06-10 2014-07-08 Sharp Kabushiki Kaisha Lighting apparatus
JP2010287581A (en) * 2010-09-01 2010-12-24 Sharp Corp Lighting system
JP2013225524A (en) * 2013-07-05 2013-10-31 Panasonic Corp Sensor unit and lighting fixture
JP2014032974A (en) * 2013-11-18 2014-02-20 Panasonic Corp Sensor unit, and luminaire
JP2020126784A (en) * 2019-02-05 2020-08-20 三菱電機株式会社 Sensor device
JP7464473B2 (en) 2020-07-20 2024-04-09 矢崎エナジーシステム株式会社 Unit cable

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