JP2001338521A - Lighting equipment with sensor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting equipment with a sensor in which, when a lighting fixture is hung down from a ceiling, the sensor is not influenced by the lighting fixture to cause a malfunction, especially the sensor is not affected by heat radiation from the light member of changes in the surface temperature of the lighting fixture. SOLUTION: The lighting equipment with a sensor has a lighting fixture 10 which is hung down by a hanging member 31 via a fixing member 30 fixed directly onto the ceiling 101 and a heat ray detection sensor 20 which is positioned higher than the lighting fixture 10. The heat ray detection sensor 20 is positioned such that the lighting fixture 10 does not fall within the detection range of the sensor.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a lighting fixture with a sensor. Specifically, the present invention relates to a sensor-equipped lighting device that reduces malfunction due to heat radiation from a lamp.

[0002]

2. Description of the Related Art As a lighting fixture with a sensor, for example, FIG.
And those shown in FIG. These lighting fixtures 1
00 includes a lamp 110, a mounting member 130 for mounting the lamp 110 on the wall surface 101 and the like, and a sensor 120 for controlling the lighting of the lamp 110. The mounting member 130 is fixed to the wall surface 101, and the support member 131 Lighting 1 through
10 is attached to the lower surface.

[0003] In the lighting fixture 100 shown in FIG. 9, a sensor 120 has a mounting member 130 with a detection part directed downward.
It is fixed to. On the other hand, the lighting fixture 100 shown in FIG.
Then, the sensor 120 is provided at the lower end of the mounting member 130 via the rotatable support member 131, and in the lighting fixture 100, within a range of a dashed line B shown in the drawing,
The sensor 120 is provided to be able to swing.

The lighting fixture 10 with such a sensor 120
At 0, when it is detected that a person has entered the detection range of the sensor 120, the lamp 110 is turned on.

As the sensor 120, for example, a heat ray (infrared) sensor 1 for detecting the presence of a person or the like on the front surface is used.
20 is used to detect the presence of a person or the like by detecting a change in reflected light due to the presence of an object.

At this time, if the lamp 110 exists within the detection range of the sensor 120, the existence of the lamp 110 may be detected, or a malfunction may be caused by heat radiation from the lamp 110. In the lighting fixture 100 for wall mounting like the lighting fixture 100, the lamp 110 does not enter the detection range of the sensor 120 and is hardly affected by the heat radiation from the lamp 110.

On the other hand, as a lighting fixture with a sensor mounted on a ceiling, for example, there are those disclosed in JP-A-8-264016 and JP-A-10-177809. Because the detection surface of the lamp and the lamp are arranged on substantially the same plane, the lamp itself has a structure that is less likely to enter the detection range of the sensor or malfunction due to heat radiation from the lamp.

[0008]

However, in the lighting fixture 100 in which the lamp 100 is hung from the ceiling 101 like a spotlight shown in FIGS. It is attached to a ceiling surface such as an attachment member 120 attached to 101. As described above, when the sensor 120 is located above the ceiling 110 from the ceiling by the length of the hanging member 132 and the sensor 120 is located above, the malfunction may be caused by the presence of the lamp 110 itself.

As a cause of the malfunction, for example, as shown in FIG. 11, the emission range from the lamp 110 (shown by a dashed line C in the drawing) is within the detection range of the sensor 120 (the range shown by the dashed line A in the figure). Range) directly. As shown in FIG. 12, the lighting fixture 11 is within the detection range of the sensor 120 (the range indicated by the dashed-dotted line a in the figure).
It is also conceivable that a heat radiation range from the rear of the lamp 110 (a range indicated by a dashed-dotted line C in the drawing) is included and is affected by heat radiation from behind the lamp 110. Alternatively, as shown in FIG. 13, the heat radiation range from the side of the lamp 110 (the range indicated by the dashed line C in the figure) falls within the detection range of the sensor 120 (the range indicated by the dashed line a in the figure), and It may be affected by heat radiation. In these cases, it is needless to say that when the light source of the lamp 110 directly enters the detection range of the sensor 120, the influence is the largest, and it is desirable to avoid the influence of heat radiation from around the lamp 110. It is.

The present invention has been made in view of the above-mentioned problems of the prior art, and when a lamp is suspended from a ceiling, a malfunction of a sensor due to the influence of the lamp itself, particularly, heat radiation from the lamp or light emission from the lamp. An object of the present invention is to provide a lighting device with a sensor, which is hardly affected by a change in surface temperature.

[0011]

According to a first aspect of the present invention, there is provided a lighting apparatus with a sensor, comprising: a lamp 10 suspended by a suspension member 31 via a mounting member 30 directly mounted on a ceiling 101; In a sensor-equipped lighting device including a heat ray detection sensor 20 positioned above the lamp 10, the heat ray detection sensor 20 is provided so that the lamp 10 is not positioned within the detection range. .

A lighting apparatus with a sensor according to a second aspect of the present invention is characterized in that the heat ray detecting sensor 20 is provided at a lower portion so that a detection range thereof is located below a moving range of the lamp 10.

According to a third aspect of the present invention, in the lighting fixture with the sensor, the heat ray detecting sensor 20 is attached to the mounting member 30.
And is provided to protrude downward separately from the lamp 10.

A lighting fixture with a sensor according to a fourth aspect of the present invention is characterized in that the heat ray detecting sensor 20 is provided below the lamp 10.

A lighting apparatus with a sensor according to a fifth aspect of the present invention is characterized in that the heat ray detecting sensor 20 is movably provided so as to always have a lower detection range.

In the lighting fixture with a sensor according to the sixth aspect of the present invention, the heat ray detecting sensor 20 is connected to the hanging member 31.
Characterized in that it is provided so as to protrude downward from.

A lighting apparatus with a sensor according to a seventh aspect of the present invention is characterized in that the heat ray detecting sensor 20 is provided on the rear side of the lamp 10.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic side view of a lighting fixture with a sensor according to a first embodiment of the present invention. FIG. 2 is a schematic side view of a lighting fixture with a sensor according to a second embodiment of the present invention. FIG. 3 is a schematic side view of a lighting fixture with a sensor according to a third embodiment of the present invention. FIG. 4 is a schematic side view of a sensor-equipped lighting device shown as a comparative example of the sensor-equipped lighting device according to the embodiment of the present invention.
FIG. 5 is a schematic perspective view of a lighting fixture with a sensor according to a fourth embodiment of the present invention. FIG. 6 is a schematic side view of a lighting fixture with a sensor according to a fifth embodiment of the present invention. FIG. 7 is a schematic side view of a lighting fixture with a sensor according to a sixth embodiment of the present invention. FIG. 8 shows a seventh embodiment of the present invention.
It is a schematic perspective view of the lighting fixture with a sensor which is an embodiment of.

As shown in FIGS. 1 to 3 and FIGS. 5 to 8, a lighting device with a sensor 1 according to the present invention includes a hanging member via a pipe duct or a mounting member 30 directly mounted on the ceiling 101 surface. In a lighting fixture with a sensor including the lamp 10 suspended by 31 and the heat ray detection sensor 20 located above the lamp 10, the lamp 10 is not located within the detection range of the heat ray detection sensor 20. It is provided as follows.

More specifically, a mounting member 30 for mounting the lamp 10 on a pipe duct or the surface of the ceiling 101, and a rod-shaped hanging member 31 provided substantially vertically below the mounting member 30 are provided. Is provided. The mounting member 30 has a flat rectangular parallelepiped shape, the suspension member 31 is provided at one end of the mounting member 30, and the other end of the mounting member 30 has a lamp 10 within its detection range. Is provided with a heat ray detection sensor 20 so that is not located. Lighting fixture 10
Is attached to the tip of the suspension member 31. Light 1
Reference numeral 0 includes, for example, a cover portion 11 having a substantially cylindrical shape, and a light source 12 such as a light bulb housed inside the cover portion 11. The cover portion 11 is made of a metal plate in order to increase the heat radiation efficiency from the light source 12. In the lighting fixture with sensor 1 shown in each figure, when the lamp 10 is located at least within the detection range of the heat ray detection sensor 20 (the range shown by the one-dot chain line A in each figure), the influence of the heat ray emitted from the lamp 10 It is permissible to take measures to prevent this.

In the lighting fixture with sensor 1 shown in FIG. 1, an end opposite to one end on which the suspension member 31 is provided is formed as a hanging piece 32 which is elongated downward long. At 32, the heat ray detection sensor 20 is provided so that the lamp 10 is not located within the detection range.

In this configuration, the heat ray detecting sensor 2
Since the lamp 10 is not located within the detection range of 0 (the range indicated by the one-dot chain line A in FIG. 1), the direct heat ray detection sensor 2
Thus, the influence of heat radiation from the light source, which is not detected by the zero detection unit 21 and therefore has the largest effect, can be effectively suppressed, and lighting due to malfunction can be prevented.

Further, in the case shown in FIG. 1, since the heat ray detection sensor 20 is provided below the moving range of the lamp 10 so that the detection range is located below the detection range of the heat ray detection sensor 20, Since the lamp 10 is not positioned reliably within the range (indicated by the dashed line A in FIG. 1), it is not reliably detected by the detection unit 21 of the direct heat ray detection sensor 20. The influence can be more effectively suppressed, and lighting due to malfunction can be reliably prevented.

Next, in the lighting fixture with sensor 1 shown in FIG. 2, the heat ray detecting sensor 20 is provided to project downward from the mounting member 30 separately from the lamp 10. The sensor mounting arm 33 is provided so as to hang downward long from an end opposite to the one end where the suspension member 31 is provided, and the heat ray detection sensor 20 is attached to the sensor mounting arm 33. The lamp 10 is provided so as not to be located within the detection range (the range indicated by the one-dot chain line A in FIG. 2).

In this configuration, the heat ray detection sensor 2
Since the lamp 10 is not located within the detection range of 0 (the range indicated by the one-dot chain line A in FIG. 2), the direct heat ray detection sensor 2
Thus, the influence of heat radiation from the light source, which is not detected by the zero detection unit 21 and therefore has the largest effect, can be effectively suppressed, and lighting due to malfunction can be prevented.

Further, the lighting fixture with sensor 1 shown in FIG.
Since the distance between the lamp 10 and the heat ray detection sensor 20 is large, the lamp 10 is not positioned within the detection range of the heat ray detection sensor 20 (the range indicated by the one-dot chain line A in FIG. 3). In this case, if the distance between the lamp 10 and the heat ray detection sensor 20 is not sufficiently large, it is within the detection range of the heat ray detection sensor 20 as shown in FIG. In some cases, the lamp 10 may be located.

In the configuration shown in FIG. 3, since the lamp 10 is not located within the detection range of the heat ray detection sensor 20 (the area indicated by the one-dot chain line A in FIG. 3), it is directly detected by the detection unit 21 of the heat ray detection sensor 20. However, the influence of heat radiation from the light source, which has the largest effect, can be effectively suppressed, and lighting due to malfunction can be prevented.

Next, in the lighting fixture with sensor 1 shown in FIG. 5, the heat ray detection sensor 20 is provided so as to be movable so that the detection range is always downward. The heat ray detection sensor 20 is provided under the mounting piece 34 via the mounting piece 34. By providing the heat ray detection sensor 20 in this manner, the heat ray detection sensor 20
Is always lower than the lamp 10 and the lamp 10 is not reliably located within the detection range of the heat ray detection sensor 20, so that it is not reliably detected by the detection unit 21 of the direct heat ray detection sensor 20. The effect of heat radiation from the light source having the largest effect can be more effectively suppressed, and lighting due to malfunction can be reliably prevented.

The lighting fixture 1 with a sensor shown in FIG. 6 is basically the same as the lighting fixture 1 with a sensor shown in FIG.
Although it is movably provided so that the detection range is always below (a range shown by a dashed line A in FIG. 6), a heat shield plate 40 is provided to avoid the influence of radiant heat. The heat shielding plate 40 serves to prevent heat generated from the light source 12 from directly entering the detection range of the heat ray detection sensor 20. The material of the heat shield plate 40 is the same as the material of the cover portion 11, but a material having a low thermal conductivity such as iron or lead is preferably used as the material.

In addition to the structure shown in FIG. 5, in the structure shown in FIG. 6, since the heat radiation in front of the light emitting opening 13 is blocked by the heat shield plate 40, the heat is not directly detected by the heat ray detecting sensor 20, and The temperature change of the hot plate 40 is also very small. Therefore, the influence of heat radiation from the light source having the largest effect can be more effectively suppressed, and in this regard, lighting due to malfunction can be reliably prevented.

The lighting fixture 1 with a sensor shown in FIG. 8 is basically the same as the lighting fixture 1 with a sensor shown in FIG.
Although it is movably provided so that the detection range is always downward, instead of the attachment piece 34, a rotation attachment piece 36 that rotates 180 degrees or more increases the range of selection of the detection range. .

The lighting fixture with sensor 1 shown in FIG.
In the above, the heat ray detection sensor 20 is provided so as to protrude downward from the hanging member 31.
Moreover, the heat ray detection sensor 20 is provided on the rear side of the lamp 10. Specifically, the heat ray detection sensor 20 is provided on the arm body 35 extending to the rear of the lamp 10, and the heat ray detection sensor 20 may be fixed directly downward. In addition, it is also possible to provide a hinge portion to make the movable member two-dimensional or three-dimensional.

In the configuration shown in FIG. 7, since the lamp 10 is not reliably located within the detection range of the heat ray detection sensor 20 (the area indicated by the one-dot chain line A in FIG. 7), the detection section 21 of the direct heat ray detection sensor 20 As a result, the influence of heat radiation from the light source, which has the largest effect, can be suppressed more effectively, and lighting due to malfunction can be reliably prevented.

According to the lighting fixture with a sensor of the present invention, as shown in FIGS. 1 to 3 and FIGS.
In a lighting fixture with a sensor, comprising: a lamp 10 suspended by a suspension member 31 via a mounting member 30 directly attached to a surface; and a heat ray detection sensor 20 positioned above the lamp 10, Heat ray detection sensor 2
0 is provided so that the lamp 10 is not located within the detection range. Therefore, the lamp 10 is not located within the detection range of the heat ray detection sensor 20.
Thus, the influence of heat radiation from the light source, which is not detected by the zero detection unit 21 and therefore has the largest effect, can be effectively suppressed, and lighting due to malfunction can be prevented.

That is, according to the present invention, when the lamp 10 is hung from the ceiling 101, the malfunction of the heat ray detecting sensor 20 due to the influence of the lamp 10 itself, in particular, the heat radiation from the lamp 10 and the change in the surface temperature of the lamp 10 are caused. It is less affected.

[0037]

According to the lighting fixture with the sensor according to the first aspect of the present invention, the lamp 10 and the lamp 10 suspended by the suspension member 31 via the mounting member 30 directly attached to the ceiling 101 surface. In the lighting fixture with the sensor including the heat ray detection sensor 20 positioned above, the heat ray detection sensor 20 is provided so that the lamp 10 is not located within the detection range. Since the lamp 10 is not located within the range, it is not directly detected by the detection unit 21 of the heat ray detection sensor 20, and therefore, it is possible to effectively suppress the influence of heat radiation from the light source which has the largest influence, and to turn on due to malfunction. Can be prevented.

According to the illumination device with the sensor according to the second aspect of the present invention, in addition to the case of the first aspect, the heat ray detecting sensor 20 is arranged so that its detection range is located below the moving range of the lamp 10. Since the lamp 10 is not positioned reliably within the detection range of the heat ray detection sensor 20, the detection unit 21 of the heat ray detection sensor 20
Therefore, the influence of the heat radiation from the light source which has the largest influence can be suppressed more effectively, and the lighting due to the malfunction can be surely prevented.

According to the lighting device with the sensor according to the third aspect of the present invention, in addition to the case of the second aspect, the heat ray detecting sensor 20 is connected to the lamp 10 by the mounting member 30.
Since the lamp 10 is provided so as to protrude downward separately, the lamp 10 is not reliably located within the detection range of the heat ray detection sensor 20, and thus is not reliably detected by the detection unit 21 of the heat ray detection sensor 20 directly. The effect of heat radiation from the largest light source can be more effectively suppressed, and lighting due to malfunction can be reliably prevented.

According to the lighting apparatus with the sensor according to the fourth aspect of the present invention, in addition to the case described in the second aspect, since the heat ray detecting sensor 20 is provided below the lamp 10, the detection by the heat ray detecting sensor 20 is performed. Since the lamp 10 is not securely located within the range, the lamp 10 is not reliably detected by the detection unit 21 of the direct heat ray detection sensor 20. Therefore, it is possible to more effectively suppress the influence of heat radiation from the light source which has the largest influence. Lighting due to malfunction can be reliably prevented.

According to the illuminating device with a sensor according to a fifth aspect of the present invention, in addition to the fourth aspect, the heat ray detecting sensor 20 is movably provided so as to always have a lower detection range. Therefore, the heat ray detection sensor 20
Since the lamp 10 is not positioned reliably within the detection range, it is not reliably detected by the detection unit 21 of the direct heat ray detection sensor 20, and therefore, the effect of heat radiation from the light source which has the largest effect is more effectively suppressed. It is possible to reliably prevent lighting due to malfunction.

According to the lighting fixture with the sensor according to the sixth aspect of the present invention, in addition to the case of the second aspect, the heat ray detecting sensor 20 is provided so as to protrude downward from the hanging member 31. Since the lamp 10 is not reliably located within the detection range of the heat ray detection sensor 20, it is not reliably detected by the detection unit 21 of the heat ray detection sensor 20 directly. Therefore, the influence of heat radiation from the light source, which has the largest influence, is further reduced. This can be effectively suppressed, and lighting due to malfunction can be reliably prevented.

According to the illuminating device with the sensor according to claim 7 of the present invention, in addition to the case of claim 6, since the heat ray detecting sensor 20 is provided on the rear side of the lamp 10, Since the lamp 10 is not reliably positioned within the detection range of the heat ray detection sensor 20, it is not reliably detected by the detection unit 21 of the direct heat ray detection sensor 20,
Therefore, it is possible to more effectively suppress the influence of heat radiation from the light source having the largest effect, and to surely prevent lighting due to malfunction.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a lighting fixture with a sensor according to a first embodiment of the present invention.

FIG. 2 is a schematic side view of a sensor-equipped lighting device according to a second embodiment of the present invention.

FIG. 3 is a schematic side view of a lighting fixture with a sensor according to a third embodiment of the present invention.

FIG. 4 is a schematic side view of a sensor-equipped lighting device shown as a comparative example of the sensor-equipped lighting device according to the embodiment of the present invention.

FIG. 5 is a schematic perspective view of a lighting fixture with a sensor according to a fourth embodiment of the present invention.

FIG. 6 is a schematic side view of a sensor-equipped lighting device according to a fifth embodiment of the present invention.

FIG. 7 is a schematic side view of a lighting fixture with a sensor according to a sixth embodiment of the present invention.

FIG. 8 is a schematic perspective view of a lighting fixture with a sensor according to a seventh embodiment of the present invention.

9A and 9B are schematic explanatory views of a conventional lighting fixture with a sensor for mounting on a wall surface, in which FIG. 9A is a side view and FIG. 9B is a bottom view.

10A and 10B are schematic explanatory views of another lighting fixture with a sensor for mounting on a wall surface of the lighting fixture, wherein FIG. 10A is a side view and FIG. 10B is a bottom view.

FIG. 11 is an explanatory view showing a problem in a lighting fixture with a sensor for ceiling mounting.

FIG. 12 is an explanatory diagram showing another problem in the above.

FIG. 13 is an explanatory diagram showing another problem in the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 The lighting fixture with a sensor which concerns on this invention 10 Lighting fixture 20 Heat ray detection sensor 30 Mounting member 31 Hanging member

Claims (7)

[Claims] 1. A sensor-equipped lighting device comprising: a lamp suspended by a suspension member via a mounting member directly attached to a ceiling surface; and a heat ray detection sensor positioned above the lamp. A lighting fixture with a sensor, wherein the heat ray detection sensor is provided so that the lamp is not located within the detection range. 2. The lighting device with a sensor according to claim 1, wherein the heat ray detecting sensor is provided at a lower portion so that a detection range thereof is located below a moving range of the lamp. 3. The lighting device with a sensor according to claim 2, wherein the heat ray detection sensor is provided to protrude downward from the mounting member separately from the lamp. 4. The lighting device with a sensor according to claim 2, wherein the heat ray detecting sensor is provided below the lamp. 5. The lighting device with a sensor according to claim 4, wherein the heat ray detection sensor is movably provided so that a detection range is always downward. 6. The lighting device with a sensor according to claim 2, wherein the heat ray detection sensor is provided to protrude downward from the hanging member. 7. The lamp according to claim 6, wherein the heat ray detecting sensor is provided on a rear side of the lamp.
The lighting fixture with the sensor as described.