JP4460360B2 - Sensor unit frame for downlight - Google Patents

Description

  The present invention relates to a downlight embedded in a ceiling, and more particularly to a downlight sensor unit frame that can easily add a sensor function to the downlight.

Conventionally, a sensor having a sensor function added to a downlight is known (Non-Patent Document 1). In this downlight with a sensor function, an illuminance / human sensor is arranged in the frame portion of the downlight, and the downlight is controlled to be turned on / off or dimmed in conjunction with the sensor output.
Toshiba Lighting & Technology Corporation, Toshiba Home Lighting Corporation “Housing Lighting General Catalog 2004-2005” 436 pages

  However, the conventional downlight with a sensor function described above has the following problems. That is, there are various types of downlights. For example, even if one surface treatment of the reflection plate is taken, there are baffles, mirror surfaces, white, black, etc., and depending on whether or not a heat insulating material is used on the ceiling. The type changes. As described above, regarding various types of downlights, there is a problem that it is difficult in terms of cost and product management to arrange a sensor function type and a normal type as products.

  The present invention has been made in view of these points, and an object of the present invention is to provide a downlight sensor unit frame capable of realizing a downlight having a sensor function without changing any conventional downlight. To do.

The downlight sensor unit frame according to the present invention is provided in an annular frame having a size that fits into a mounting hole formed in the ceiling and has an inner diameter that can be fitted to the downlight, and a part of the frame. The sensor unit is disposed on the lower surface side when installed on the ceiling, detects a specific environment around the detection unit, and controls the switch on / off or dimming, and is disposed on the upper surface side of the frame. And a plurality of first attachment mechanisms that protrude upward from the upper surface side of the frame body and fix the frame body to the ceiling . A downlight including a main body frame having two attachment mechanisms and a reflector is housed, and the plurality of first attachment mechanisms are arranged in a circumferential direction so as not to overlap the plurality of second attachment mechanisms of the housed downlights. It is disposed at a position, through the sensor unit Serial and supplying a power supply voltage to the down light.

  The mounting mechanism includes, for example, a support wall that protrudes upward from the upper surface side of the frame body and has a slit that extends vertically, and moves up and down along the slit of the support wall. And a mounting bracket that is held on the back surface of the ceiling. The mounting bracket includes an outer plate disposed outside the support wall, an inner plate disposed inside the support wall, and the outer plate. An upper end connecting portion that connects the upper ends of the plate and the inner plate through the slit, and a lower end connecting portion that connects the outer side and the lower ends of the inner plate through the slit at a wider interval than the upper end. It is a thing.

  Further, the terminal block includes, for example, a power supply terminal for connecting a power supply line, a feed terminal for outputting the power supply voltage supplied to the power supply terminal as it is, and a power supply voltage supplied to the power supply terminal. And a load terminal for outputting to the downlight via a sensor unit.

  According to the present invention, since the downlight is housed inside the frame and the power supply voltage can be supplied to the downlight via the sensor unit, the conventional downlight can be used as it is without any change. It can be operated as a downlight with a sensor function.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  FIG. 1 is an exploded perspective view of a downlight system with a sensor function according to an embodiment of the present invention.

  An attachment hole 2 for attaching a downlight is opened in the ceiling 1, and the end of the power line 3 faces the attachment hole 2. A sensor unit frame 4 according to this embodiment is mounted in the mounting hole 2. In addition, a downlight 5 including a main body frame 6, a reflecting plate 7 and a lamp 8 can be accommodated inside the sensor unit frame 4.

  Specifically, the sensor unit frame 4 includes an annular frame 11 that fits into the mounting hole 2 of the ceiling 1, a sensor unit 12 provided on a part of the lower surface side of the frame 11, and a frame The terminal block 15 provided on a part of the upper surface side of the above and the mounting mechanisms 13 and 14 provided on the upper surface from the frame body 11 are configured. The sensor unit 12 includes, for example, an illuminance sensor and a human sensor, and includes detection units 16 and 17 that form a detection area on the lower surface side of the frame body 11 toward the lower side.

  The attachment mechanisms 13 and 14 protrude upward from the upper surface of the frame 11 and move up and down along the support walls 21 and 22 formed with slits 23 in the vertical direction, and the slits 23 of these support walls 21 and 22. The mounting bracket 24 is open to the outside at the lower end and is held on the back surface of the ceiling 1. As shown in the side view of FIG. 2 and the perspective view of FIG. 3, the mounting bracket 24 includes an outer plate 31 disposed outside the support walls 21, 22, and an inner plate disposed inside the support walls 21, 22. The plate 32, the upper end connecting portion 33 for connecting the upper ends of the outer plate 31 and the inner plate 32 through the slit 23, and the lower ends of the outer side 31 and the inner plate 32 through the slit 23 at wider intervals than the upper end. The lower end connection part 34 to connect is provided, and these are integrally formed by pressing a metal plate.

  The main frame 6 of the downlight 5 is fixed to an annular frame 41, mounting mechanisms 42 and 43 projecting upward from the upper surface side of the frame 41, and upper ends of the mounting mechanisms 42 and 43. The disk-shaped support plate 44, a socket 45 and a terminal block 46 fixed to the support plate 44, and a spring 47 are provided. The frame body 41 has an outer diameter that matches the inner periphery of the frame body 11 of the sensor unit frame 4. The attachment mechanisms 42 and 43 have the same structure as the attachment mechanisms 13 and 14 of the sensor unit frame 4.

  The reflection plate 7 is formed in a bowl shape, and is treated so that the inner surface becomes a baffle, mirror surface, white, and black reflection plate, and has a mounting hole 48 at the bottom. The reflection plate 7 is supported by the support plate 44 by fitting the spring 47 provided on the support plate 44 of the main body frame 6 into the mounting hole 48.

  The sensor unit frame 4 and the main body frame 6 of the downlight 5 use the same attachment mechanisms 13, 14, 42, 43. The mutual positional relationship between them is as shown in FIG. Become. 4A shows an example in which the downlight 5 has two attachment mechanisms, and FIG. 4B shows a case in which the downlight 5 has three attachment mechanisms. As is apparent from these drawings, the mounting mechanisms 13 and 14 on the sensor unit frame 4 side are set so that the mutual arrangement angle is between 120 ° and 180 °. Even when there are two attachment mechanisms 42, 43, even if three attachment mechanisms 42, 43, 43 'are provided so as to form 120 ° with respect to each other, the attachment mechanisms 13, 14, 42, 43 and 43 'can be assembled without interference.

  FIG. 5 is a diagram showing the sensor unit frame 4, the terminal blocks 15 and 46 of the downlight 5, and their wiring relationship.

  The power supply line 3 is introduced into the power supply terminal 61 of the sensor unit frame 4 through the wall switch 51, and is introduced into the power supply terminal 64 of the downlight 5 through the load terminal 63. The sending terminal 65 of the downlight 5 is connected to the power terminal of the downlight 5 to be connected next. The plurality of downlights 5 connected to the output from the load terminal 63 of the sensor unit frame 4 are all turned on / off or dimmed according to the control in the sensor unit frame 4.

  On the other hand, when it is desired to supply power to the other downlights 5 without following the control in the sensor unit frame 4, the power is supplied to the next sensor unit frame 4 via the feed terminal 62 as shown in FIG. Supply. The next sensor unit frame 4 does not follow the control of the previous sensor unit frame 4. For this reason, wiring at the time of individual control for each area becomes extremely easy.

  As shown in FIG. 1, when assembling this downlight system, first, the load wire 52 is connected to the load terminal 65 of the terminal block 15 of the sensor unit frame 4 and hung inside the frame body 11. In this state, the power line 3 is connected to the power terminal 61 of the terminal block 15, the sensor unit frame 4 is mounted in the mounting hole 2 of the ceiling 1, and is fixed to the ceiling 1 by the mounting mechanisms 13 and 14. Next, after connecting the terminal of the load line 52 to the power supply terminal 64 of the terminal block 46 of the main body frame 6, the main body frame 6 is attached to the sensor unit frame 4 and fixed to the frame body 11 by the attachment mechanisms 42 and 43. To do. Finally, a downlight with a sensor function is configured by attaching the reflector 7 and the lamp 8.

It is a partial exploded perspective view showing composition of a downlight system with a sensor function concerning one embodiment of the present invention. It is a side view of the sensor unit frame in the system. It is a perspective view which shows the attachment metal fitting of the attachment mechanism in the sensor unit frame. It is a top view of the system, Comprising: It is a figure which shows the positional relationship of an attachment mechanism. It is a wiring diagram of the system.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Ceiling, 2 ... Mounting hole, 3 ... Power supply line, 4 ... Sensor unit frame, 5 ... Downlight, 6 ... Main body frame, 7 ... Reflecting plate, 8 ... Lamp, 11, 41 ... Frame, 12 ... Sensor unit , 13, 14, 42, 43, 43 ′... Mounting mechanism, 15, 46.

Claims (3)

An annular frame that fits into a mounting hole formed in the ceiling and has an inner diameter that can be fitted to the downlight;
A sensor unit that is provided on a part of the frame and is installed on the ceiling, and a detection unit is arranged on the lower surface side to detect a specific environment around the detection unit and to turn on / off or dimming the switch,
A terminal block disposed on the upper surface side of the frame,
A plurality of first attachment mechanisms that protrude upward from the upper surface side of the frame body and fix the frame body to the ceiling;
A downlight including a main body frame having a plurality of second mounting mechanisms and a reflector is housed inside the frame body, and the plurality of first mounting mechanisms are configured such that the plurality of downlights to be housed are A sensor unit frame for downlights , which is disposed at a circumferential position that does not overlap with the second mounting mechanism and supplies a power supply voltage to the downlights through the sensor unit. The first attachment mechanism includes:
A support wall provided with a slit that protrudes upward from the upper surface side of the frame and extends vertically;
It moves up and down along the slit of the support wall, and has a mounting bracket that opens to the outside at the lower end and is held on the back surface of the ceiling,
The mounting bracket includes an outer plate disposed outside the support wall, an inner plate disposed inside the support wall,
An upper end connecting portion that connects upper ends of the outer plate and the inner plate via the slit;
Claim 1 Symbol mounting downlight sensor unit, characterized in that the lower ends of the outer and the inner plate through the slit in which and a lower coupling portion coupling a wider spacing than the upper end frame. The terminal block is
A power supply terminal for connecting the power supply line;
A feed terminal that outputs the power supply voltage supplied to the power supply terminal as it is;
Claim 1 or 2 downlights sensor unit frame according to characterized in that a load terminal for outputting the supplied power supply voltage to the power terminal on the down light through the sensor unit.

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