JP2000014761A - Lighting confirming apparatus of germicidal lamp built-in tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a germicidal built-in tool by which lighting of a germicidal lamp can be safely, inexpensively and more surely confirmed. SOLUTION: A duct 20 is arranged in a tool main body 10 and a germicidal lamp 1 is arranged in the duct 20. An AC fan motor 7 rotated by an AC electric source is arranged in the neighborhood of one end side in the longer direction in the duct 20. An intake vent 13 and an exhaust vent 14 communicated with the inside of the duct 20 on both sides of an opening window 11 in the longer direction are provided. An optical fiber 8 which obtains light of the germicidal lamp 1 through a glass filter for cutting UV rays and guides it to the outside of the tool main body 10 is provided. One end part of the optical fiber 8 obtains visible light of the light emitted from the germicidal lamp 1 at the duct 20 side and the apex face of another end part is arranged in such a way that it faces to a monitor window 18 provided on the underside of the tool main body 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting confirmation device for a device with a built-in germicidal lamp, which externally displays the lighting of a germicidal lamp built in the device body.

[0002]

2. Description of the Related Art A germicidal lamp built-in device which has a germicidal lamp for sterilizing bacteria in the air has been proposed.

By the way, since a germicidal lamp emits a strong germicidal ray (ultraviolet rays), there is a risk of causing inflammation of eyes and skin if the germicidal lamp is directly lit and the skin is exposed to the germicidal ray. For this reason, in this type of germicidal lamp-equipped instrument, the microswitch SW that is turned off when the germicidal lamp is replaced is set in FIG.
As shown in (1), by inserting the germicidal lamp between the AC power supply Vs and the germicidal lamp lighting circuit 50, the germicidal lamp is prevented from turning on at the time of exchanging the germicidal lamp, and the light of the germicidal lamp is prevented from leaking to the outside. ing. In addition, this type of germicidal lamp-equipped instrument has a CdS
A germicidal lamp lighting monitor circuit 51 for illuminating and extinguishing a display light emitting element 53 composed of a visible light emitting diode based on the detection output of the germicidal lamp is provided. In short, when the germicidal lamp is turned on, the display light emitting element 53 is turned on.

Thus, the lighting of the germicidal lamp can be confirmed from the outside of the instrument main body by the display light emitting element 53. In other words, the light-receiving element 52, the germicidal lamp lighting monitor circuit 51, and the display light-emitting element 53, which are individual components, constitute a lighting confirmation device.

[0005] In addition, an AC fan motor 7 which is supplied with power from an AC power supply Vs and circulates air near the germicidal lamp is provided in the main body of the instrument.

[0006]

In the above-mentioned conventional lighting confirmation device, the light receiving element 52 and the display light emitting element 53 are electrically connected to the germicidal lamp lighting monitor circuit 51. Is a device that requires a power supply.
There is a possibility that lighting confirmation may not be possible due to disconnection of an electric wire to the germicidal lamp lighting monitor circuit 51 or the like. Further, since the display light emitting element 53 is constituted by a visible light emitting diode and does not indicate the brightness or color of light emitted from the germicidal lamp, the life of the germicidal lamp could not be predicted.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a germicidal lamp built-in device capable of securely and steadily confirming the lighting of a germicidal lamp at a low cost. .

[0008]

The invention according to claim 1 is a lighting confirmation device for a germicidal lamp built-in luminaire having a luminaire main body and a germicidal lamp built in the main body of the luminaire. It is characterized by comprising a display means for guiding visible light to the outside of the instrument body except for at least ultraviolet rays of light, the visible light of the light emitted from the germicidal lamp by the display means of the instrument body. Because it can guide the light to the outside,
It is not necessary to provide a conventional light receiving element, a germicidal lamp lighting monitor circuit, and a light emitting element for display, and power supply to the lighting confirmation device is not required. It is possible to confirm the lighting of the lamp. In addition, since the visible light among the light emitted from the germicidal lamp is guided to the outside, the brightness and color of the germicidal lamp can be easily checked from the outside, and the life of the germicidal lamp can be predicted. Becomes

According to a second aspect of the present invention, in the first aspect of the present invention, the display means includes: an optical fiber that collects light emitted from a germicidal lamp and guides the light to the outside of the instrument body; Since it is provided with a glass filter that cuts ultraviolet rays and transmits visible light, it is possible to guide the visible light of the light emitted from the germicidal lamp to the outside of the instrument body with a simple configuration. .

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the basic concept of the present invention will be described with reference to FIG. The present invention provides a display means provided with an optical fiber 8 having one end disposed near a germicidal lamp to be lit by the lighting circuit 50 and for guiding visible light of light emitted from the germicidal lamp to the outside of the instrument body. Is used as a lighting confirmation device. Note that the same components as those in the conventional configuration are denoted by the same reference numerals, and description thereof is omitted.

(Embodiment 1) A germicidal lamp-equipped appliance equipped with a lighting confirmation device according to the present embodiment is a lighting appliance incorporating a germicidal lamp (hereinafter referred to as an illuminating appliance with a germicidal lamp). As shown in FIG. 3, the tool body 10 is embedded in an embedding hole 31 opened in the ceiling member 30 so that the tool body 10
The rear surface of the outer flange 12 formed at the front edge of the ceiling member 30
Is attached to the mounting bolt 32 in such a manner as to contact the lower surface of the mounting bolt (see FIG. 4). In addition, a power supply hole (not shown) is provided on the upper wall of the appliance main body 10 for drawing in the electric wire 33 connected to the AC power supply Vs composed of a commercial power supply and previously wired behind the ceiling.
Is provided. Reference numeral 70 in FIG. 4 indicates a heat insulating member.

The apparatus main body 10 has a substantially rectangular parallelepiped shape having an opening window 11 on the lower surface, and emits light from a pair of straight tube-type fluorescent lamps 2 (for example, FLR40S) through the opening window 11. ing. Each fluorescent lamp 2 is held by each pair of fluorescent lamp sockets 4 arranged in the fixture body 10,
A fluorescent lamp reflector 5 (see FIGS. 3 and 5) having a substantially M-shaped cross section is arranged around the light emitting portion of the fluorescent lamp 2. In addition,
A fluorescent lamp stabilizer 40 (see FIGS. 1 and 7) for turning on both fluorescent lamps 2 is disposed at an appropriate position in the apparatus main body 10. In addition, the reflecting plate 5 for fluorescent lamps is accommodated below the duct cover 22 described later in such a manner that the longitudinal direction of the reflecting plate 5 coincides with the main body 10. A pair of cutouts 6 are formed at both ends in the longitudinal direction of the fluorescent lamp reflector 5, and the above-described fluorescent lamp socket 4 is inserted into the cutouts 6.

[0013] Also, the instrument body 10
And a duct 20 whose longitudinal direction coincides with that of the duct 20. As shown in FIGS. 1 to 3 and 5, the duct 20 has a duct body 21 having a substantially U-shaped cross section with an open lower surface at an intermediate portion, and a duct cover 2 that covers a lower portion of the duct body 21.
A germicidal lamp reflector 25 having a substantially U-shaped cross section and an open lower surface is housed in the duct body 21, and a pair of germicidal lamp sockets 3 arranged in the duct 20 is formed into a straight tube-type. A germicidal lamp 1 (for example, GL-30) is held. The duct cover 22 is connected to the duct body 21 using thumb screws 23. The duct cover 22 has four insertion holes 24 through which the thumb screws 23 are inserted.
Is provided. The duct main body 21 is provided with two U-shaped metal fittings 28 each having a screw hole into which the thumb screw 23 is screwed. On the other hand, the duct body 21 has a cylindrical shape near both ends, and the appliance body 10 is cut from both ends.
An air guide portion 29 bent substantially at right angles extends downward. Here, an opening 29a is formed at the center of each air guide portion 29. That is, the pair of openings 29
a communicates through the inside of the duct 20.
In the duct 20, an AC fan motor 7 that is rotated by an AC power supply Vs is disposed near one end in the longitudinal direction. Therefore, in the duct 20, the opening 29a closer to the AC fan motor 7 is on the intake side, and the opening 29a farther from the AC fan motor 7 is on the exhaust side.

The germicidal lamp 1 has a duct 20 extending in the longitudinal direction.
And the center of the duct 20 is shifted in the longitudinal direction.
Is stored inside. Note that a germicidal lamp stabilizer 50 for turning on the germicidal lamp 1 is provided in the instrument body 10 (see FIGS. 1 and 7).
Are arranged apart from the fluorescent light ballast 40.

An opening 29 on the lower surface of the appliance body 10 is located on both sides of the opening window 11 in the longitudinal direction and on the intake side.
The intake port 13 is provided at a portion corresponding to the opening a, and the exhaust port 14 is provided at a portion corresponding to the opening 29a on the exhaust side. Therefore, by turning on the germicidal lamp 1 and rotating the AC fan motor 7, air outside the instrument body 10 is passed through the air inlet 13 to the duct 20.
The air introduced into the inside and sterilized by the germicidal lamp 1
Can be derived from

Since the germicidal lamp 1 is housed in the duct 20, the light of the germicidal lamp 1 cannot be seen directly, but it is dangerous if the light of the germicidal lamp 1 can be seen directly. In any case, it is necessary to prevent the direct light from the germicidal lamp 1 from being emitted downward in order to prevent the light from being viewed directly. Therefore, a micro switch SW that is turned on and off by attaching and detaching the above-mentioned reflector plate 5 for fluorescent lamp is provided, and when the reflector plate 5 for fluorescent lamp comes off, the micro switch SW is turned off to the germicidal lamp stabilizer 50 (lighting circuit 50). Is shut off so that the germicidal lamp 1 is not turned on.

In this embodiment, as shown in FIG. 6, a lighting hole 26 is formed on one side surface of the duct body 21.
The light of the germicidal lamp 1 is collected by the optical fiber 8 and
0 is guided to the outside. Here, one end of the optical fiber 8 is positioned with respect to the lighting hole 26 using a mounting bracket 80, and the tip end surface of the other end of the optical fiber 8 is provided near the exhaust port 14 on the lower surface of the instrument body 10. It is arranged to face the monitor window 18. The mounting bracket 80 has a rectangular parallelepiped shape with an open rear surface, and a substantially circular positioning hole 80a into which the one end of the optical fiber 8 is inserted is formed at the center of the front surface.

The mounting bracket 80 has a pair of rear ends, each of which has a hole 81a into which a fixing screw is inserted, and extends from a pair of rear ends. It is attached to the duct main body 21 so as to contact the side surface. Further, a plate-shaped glass filter 83 for cutting off ultraviolet rays is accommodated in the inner space of the mounting bracket 80 in a form sandwiched between a pair of EPT rubber packings 82 and 84. Each of the EPT rubber packings 82 and 84 has a light transmitting window 82a and 84a opened at the center thereof. The optical fiber 8 has a portion near the one end fixed to the instrument body 10 by an optical fiber fixing device 87 (see FIG. 1). Therefore, the visible light obtained by removing the ultraviolet light from the light of the germicidal lamp 1 is guided to the outside of the instrument body 10 by the optical fiber 8. Here, in the present embodiment, the optical fiber 8 and the glass filter 83 constitute a display unit. In the present embodiment, the use of the optical fiber 8 makes it possible to easily adjust the intensity of light guided to the outside of the instrument body 10.

The above-mentioned pair of fluorescent lamps 2 are connected in parallel as shown in FIG. 7, and are turned on by a fluorescent lamp ballast 40. Here, the fluorescent lamp stabilizer 40 is connected to the electric wire 33.
Is connected to an AC power supply V via a power supply terminal block 49 for lighting.
s is fed. On the other hand, the germicidal lamp stabilizer 50 is supplied with AC power Vs via the germicidal lamp power supply terminal block 59 to which the electric wire 33 is connected. Is inserted with the above-mentioned microswitch SW. G in FIG. 7 indicates a glow starter,
The AC fan motor 7 is also supplied with AC power Vs via the power terminal block 59 for germicidal lamp.

In this embodiment, however, there is no need to provide the light receiving element 52, the germicidal lamp lighting monitor circuit 51, and the display light emitting element 53 as in the conventional configuration shown in FIG. Since the supply is not required, it is possible to confirm the lighting of the germicidal lamp 1 more securely and at a lower cost with less trouble. In addition, since the visible light of the light emitted from the germicidal lamp 1 is guided to the outside, the brightness and color of the germicidal lamp 1 can be easily checked from the outside, and the life of the germicidal lamp 1 is predicted. Becomes possible.

(Embodiment 2) In Embodiment 1, the germicidal lamp 1
Has been described, but the germicidal lamp 1 is, for example, 3
In the case of a book, as shown in FIG.₁Radiated from
The transmitted light to a red transmission glass filter 83₁Through the light fa
Iva 8₁And germicidal lamp 1_TwoGreen light emitted from
Color transmission filter 83_TwoThrough the optical fiber 8_TwoDaylighting by
And germicidal lamp 1 _ThreeThe light emitted from the blue transmission filter 8
3_ThreeThrough the optical fiber 8_ThreeAnd three light filters
Iva 8₁, 8_Two, 8_ThreeAnd the synthetic light is applied to the device body 1
0 through a glass filter 88 provided in the monitor window 18
The light may be radiated to the outside of the device main body 10.

[0022]

According to the first aspect of the present invention, there is provided a lighting confirmation apparatus for a germicidal lamp-equipped appliance having an appliance main body and a germicidal lamp built in the appliance main body, wherein at least ultraviolet light emitted from the germicidal lamp is used. Since the display means for guiding the visible light to the outside of the instrument body except for the light source, the display means can guide the visible light of the light radiated from the germicidal lamp to the outside of the instrument body. It is not necessary to provide such a light receiving element, a germicidal lamp lighting monitor circuit, and a light emitting element for display, and it is not necessary to supply power to the lighting confirmation device.
There is an effect that it is possible to confirm the lighting of the germicidal lamp more securely and at low cost. In addition, since the visible light among the light emitted from the germicidal lamp is guided to the outside, the brightness and color of the germicidal lamp can be easily checked from the outside, and the life of the germicidal lamp can be predicted. Becomes

According to a second aspect of the present invention, in the first aspect of the present invention, the display means includes: an optical fiber that collects light emitted from a germicidal lamp and guides the light to the outside of the instrument body; Since it is provided with a glass filter that cuts ultraviolet rays and transmits visible light, it is possible to guide the visible light of the light emitted from the germicidal lamp to the outside of the instrument body with a simple configuration. This has the effect.

[Brief description of the drawings]

1A and 1B show a first embodiment, in which FIG. 1A is a bottom view of a main part of a lighting device with a germicidal lamp, and FIG. 1B is a side view.

FIGS. 2A and 2B show the same as above, wherein FIG.

FIG. 3 is an exploded perspective view of a lighting device with a germicidal lamp.

FIG. 4 is an explanatory view of a method of installing a lighting device with a germicidal lamp.

FIG. 5 is a sectional view of a lighting device with a germicidal lamp.

FIG. 6 is an exploded perspective view of a main part of the lighting fixture with a germicidal lamp.

FIG. 7 is a circuit block diagram of a lighting device with a germicidal lamp.

FIG. 8 is an explanatory diagram of a main part of the second embodiment.

FIG. 9 is a basic conceptual diagram of the present invention.

FIG. 10 is a schematic circuit block diagram showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Germicidal lamp 7 AC fan motor 8 Optical fiber 10 Instrument main body 11 Opening window 13 Intake port 14 Exhaust port 18 Monitor window 20 Duct

Claims (2)

[Claims] 1. A lighting confirmation device for a germicidal lamp-incorporated device comprising a device main body and a germicidal lamp built in the device main body,
A lighting confirmation device for a device with a built-in germicidal lamp, comprising: display means for guiding visible light to the outside of the device main body, excluding at least ultraviolet rays of light emitted from the germicidal lamp. 2. The display means comprises: an optical fiber that collects light emitted from a germicidal lamp and guides the light to the outside of the instrument body;
2. The lighting confirmation device for a germicidal lamp-equipped appliance according to claim 1, further comprising a glass filter provided on a light-collecting side of the optical fiber to cut ultraviolet light and transmit visible light.