JP2001338526A - Foot lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foot lamp which is easier to set up in a short construction period, compact having a little influence on the interior design, and tender to human eyes with excellent visibility. SOLUTION: A compact light source is realized by utilizing an LED as a light source and a lighting system is obtained by using a series of plurally connected light sources arranged at suitable intervals. The system is controlled by one unit of electric power source control device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foot lamp which is easy on humans and has good visibility.

[0002]

2. Description of the Related Art Conventionally, in a step lamp for illuminating a step, a light bulb such as a jujube bulb has been used as a light source. Also,
An example of a foot light described in JP-A-2000-011731 is known.

[0003]

However, this footlight has the following problems. 1) Economical efficiency: Single point convergent lighting with a single light source or multiple light sources has a small illuminable range and cannot cover a wide range in which people can act, or requires a strong light source to illuminate a wide range. Become. A strong light source requires a lot of power, which is not economical and accelerates environmental deterioration such as carbon dioxide generation by thermal power generation.

[0004] 2) Workability: In order to illuminate a range suitable for human walking, it is necessary to install a large number of light sources, which makes construction difficult and expensive.

[0005] 3) Gentleness to human eyes: Intense lighting at night not only distracts the eyes, but also makes the eyes illuminated by the footlights invisible when moving to a place without footlights. . And so on.

[0006]

The present invention is characterized by using the following means to solve the above-mentioned problems. 1) Economy: For the visibility of the feet, not only the whole lighting but also the LED as the light source for the partial lighting to save power, and by installing a plurality of them at intervals, even the dark lighting alone A wider range can be illuminated. By providing a light amount detection device that can detect the brightness, the light is turned off when it is bright and turned on when it is dark, thereby saving power. By installing a detection device that can detect people, it lights up only when people are approaching to save power.

2) Workability: A plurality of light source units can be easily installed by being installed in each light source unit housing. The connection of each light source was facilitated by using a harness connector. The installation was facilitated by incorporating the power supply control device or in the housing. The installation of the light source unit in the housing is facilitated by the light source unit in which a bare electric wire is provided in the housing and an electrode is provided in a part of the light source unit corresponding to the position of the bare electric wire in the housing. The power supply unit can be installed in the housing with one touch.

[0008] 3) Gentleness to human eyes: The LED alone has a small amount of light and can illuminate only a small area, but by installing a plurality of LEDs at appropriate intervals, a wide area can be provided without disturbing human eyes. Lighting is available. A foot light that has solved the problems of the conventional method by the above means.

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

[0009]

FIG. 1 is a perspective view of an embodiment of a foot light according to the present invention. A light source unit 5 (described later) is installed at an appropriate distance suitable for human walking in a housing 3 attached near a skirting board 2 above the floor surface 1. Light source unit 5
The illuminating light emitted from the light source unit 5 is installed on a skirting board 2 or a wall having an angle perpendicular to the floor surface 1. To illuminate the light projecting area 10 of the floor 1.

[0010] The power supply control device 4 connected to the commercial power supply comprises:
It has a control circuit (not shown) having a function of converting AC 100 volts to DC suitable for lighting LEDs, and a light amount detecting device 6 capable of detecting the brightness of the surrounding environment. It has a control function to stop power supply and supply power when it is dark. In addition, the presence of the human detection device 7 has a function of controlling blinking due to an approach of a person in addition to a change in ambient brightness. The electric power controlled as described above by the power supply control device 4 is supplied to each light source via an electric wire 8 drawn from the power supply control device 4. Although the power supply control device 4 shows a configuration in which a part of the surface is exposed from the wall and the other part is embedded in the wall surface, the power supply control device 4 has a structure that can be installed on the surface instead of the embedded structure. This is a configuration example.

As the human detecting device 7, there is known a method of detecting a difference between a human body temperature and an ambient temperature by using a pyroelectric element. Also,
By projecting light on the floor and receiving the light reflected from the floor by the optical sensor, the reflected light from the floor that changes when a person enters the light projecting area is detected, There are also methods to detect the presence of These are generally known detection methods, and the present invention does not aim at the detection method.

FIG. 2 is a perspective view showing an embodiment of a foot light for illuminating a staircase according to the present invention. The housing 3 is installed at the top of the skirting board 2 on the side of the stairs at the same inclination as the slope of the stairs, and the light source unit 5 is installed in the housing 3 at a position corresponding to the marked tread surface 21 of the stairs. The tread 21 of the stairs is illuminated. The description of the power supply control device 4 and the light amount detection device 6 is the same as that described with reference to FIG.
Similarly, by installing it at the front edge of the rising frame or at the lower portion of the rising frame, the lower portion of the rising frame or the front of the lower portion of the rising frame can be illuminated.

FIG. 3 is a perspective view showing an embodiment of the present invention for facilitating installation. By rotating the light source unit 5 in the housing 3 by 90 degrees from the direction of the light source unit 5 shown in FIG.
After the insertion, the light source unit 5 is rotated by 90 degrees so as to be in the direction shown in the drawing, so that the light source unit 5 can be installed in the housing 3 with one touch. Harness connector 3
4 shows a configuration in which the positions of each light source unit can be freely set in the housing 3 by connecting them continuously and connecting one end to the power supply control device 4. In addition, by providing the power control device 4 in a shape that fits inside the housing 3, it is possible to provide a configuration for further improving the installation property.

FIG. 4 is a perspective view showing an embodiment of the present invention for facilitating installation. Bare wires 43 are installed on both sides inside the housing 3 and connected to a power control circuit (not shown) in the power control device 4. An electrode 4 is provided at the lower end of the light source unit 5.
4 and set the light source unit 5 90 degrees from the position shown in the figure.
The light source unit 5 is installed in the housing 3 by rotating the camera horizontally to the position corresponding to the opening 38 of the housing 3, inserting it into the opening 38, and rotating it 90 degrees so as to return to the illustrated direction. . At this time, when the electrode 44 of the power supply unit 5 comes into contact with the bare electric wire 43 in the housing 3,
Upon receiving the power supplied from the power supply control device 4, the light source unit 5 is turned on.

FIG. 5 is a perspective view showing an embodiment of the present invention for illuminating a required position according to the position of a person who walks. The number of light source units 5 (5-1 to 5-9) required for illumination are installed in the housing 3, and the human detection devices 7 (7-1 to 7-3) are installed in the power supply control device 4. . Light source units 5-1 to 5-3, light source unit 5
-4 to 5-6, the light source units 5-7 to 5-8, and the human detection areas 55-1 to 55-3 are the human detection devices 7-
Light sources for 1, 7-2, and 7-3 correspond to detection areas. As illustrated, the detection device 7-2 detects that the person 58 is walking and is present in the detection area 55-2, and the light source units 5-4 to 5-6 are turned on. The same applies to the case where the person 58 walks and moves and exists on the detection areas 55-1, 55-3.

FIG. 6 is a sectional view showing an embodiment of the light source unit according to the present invention. The upper direction is the floor direction, and the lower direction is the ceiling direction. An LED 61 and a current limiting resistor 62 are installed on a substrate 63, and the LED 61 is installed vertically on a light emitting window 68 made of transparent plastic. L
One of the two electrodes of the ED 61 is connected to one of the two light source unit electrodes 44, and the other electrode of the LED 61 is connected to the other one of the light source unit electrodes 44 via the current limiting resistor 62, It receives power from the power supply control device 4. The light beam 67 emitted from the LED 61 is emitted toward the light projecting window 68, is condensed by the lens surface 66 constituting the lens, and is deflected by the prism surface 65 so that the light source unit installed on the wall has a 90-degree angle. This makes it possible to obtain the required lighting area for an angled floor.

[0017]

According to the first, second and third aspects of the present invention, it is possible to reduce the power consumption compared to a conventional step lamp using a jujube bulb and to provide a lighting which is easy on human eyes at night. There is. In addition, in order to illuminate over a wide range, it is necessary to install many devices individually with the conventional foot light,
Although construction work requires a long time and high cost, the use of the footlight of the present invention has an effect that a short construction work time and low cost can be achieved. In addition, by using a plurality of weak LEDs as a light source, it is possible to provide a footlight that can reduce power consumption and can reduce danger without dazzling human eyes in the dark at night.

The inventions of claims 4, 5 and 6 have the effect that a plurality of light sources can be easily installed corresponding to the required illumination positions. The invention according to claim 7 has an effect that the light source installed on the wall surface can illuminate the floor surface or the stair tread surface, and has the effect of reducing the light that enters the eyes of a walking person, and emits most of the emitted light. By being able to be directed to a target lighting position, energy use efficiency is increased, and a foot light having an effect of realizing energy saving can be provided. According to the eighth and ninth aspects of the present invention, it is possible to provide a function of lighting when the surroundings are dark when necessary, and to provide a foot light having an effect of saving energy.

According to the tenth aspect of the present invention, it is possible to provide a foot light that can illuminate a position where a person is present or a position corresponding to a walking direction, is energy-saving, and has lighting that is easy on a human eye. According to the invention of claim 11, it is possible to provide a foot lamp in which the number of light source units and the installation positions corresponding to the positions where illumination is required can be freely set. Claim 12 can provide a foot light that can be installed even when buried installation is impossible due to the wall structure. According to the thirteenth aspect, it is possible to provide a foot light that can be easily installed on a rising frame. This has the effect of providing a foot light having the above effects.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment installed on a wall according to the present invention.

FIG. 2 is a perspective view showing an embodiment installed on a staircase of the present invention.

FIG. 3 is a perspective view showing a configuration having a continuous housing of the present invention.

FIG. 4 is a perspective view showing a configuration in which a light source unit can be attached to a continuous housing of the present invention with one touch.

FIG. 5 is a perspective view showing an embodiment of the lighting method according to the approach position of the person of the present invention.

FIG. 6 is a sectional view showing a configuration of an embodiment of the light source unit of the present invention.

[Explanation of symbols]

 Reference Signs List 1 floor 2 baseboard 3 housing 4 power supply control unit 5 light source unit 5-1 light source unit 1 5-2 light source unit 2 5-3 light source unit 3 5-4 light source unit 4 5-5 light source unit 5 5-6 light source unit 6 5-7 Light source unit 7 5-8 Light source unit 8 6 Light amount detecting device 7 Human detecting device 7-1 Human detecting device 1 7-2 Human detecting device 2 7-3 Human detecting device 3 8 Electric wire 10 Light emitting area 21 Tread surface 34 Harness connector 37 Power cable 38 Opening 43 Bare wire 44 Electrode 61 LED 62 Current limiting resistor 63 Substrate 64 Connecting wire 65 Prism surface 66 Lens surface 67 Light flux 68 Light emitting window

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) // F21W 131: 30 F21W 131: 30 F21Y 101: 02 F21Y 101: 02 F term (Reference) 3K014 AA01 GA03 PB02 PB05 3K073 AA02 AA14 AA49 BA25 BA28 CA05 CF01 CF13 CG18 CJ17 CJ22 CK01 CM07

Claims (13)

[Claims] 1. A plurality of light source units each having an LED (light emitting diode) powered by one power control device as a light source are installed at an appropriate interval in the vicinity of a baseboard or a floor on a wall surface. A step light that illuminates a plurality of placed parts. 2. The footlight according to claim 1, wherein the number of light sources corresponding to each step of the stairs is set on the side of the stairs above the footboard of the skirting board or the wall to illuminate the treads of the stairs. 3. The step light according to claim 1, wherein the light source is installed at a lower portion of the rising frame or in front of the rising frame to illuminate a lower portion of the rising frame or a front portion of the lower portion of the rising frame. 4. A lighting device according to claim 1, wherein a plurality of light source units are installed in a continuous housing, and each light source unit is movable within the housing so that a lighting portion can be freely set. Claim 2 or Claim 3
Foot light described. 5. The light source unit according to claim 1, wherein the plurality of light source units are installed in a continuous housing, and the light source units are connected in parallel by a harness connector.
Or the foot light according to claim 2 or claim 3. 6. A power supply system wherein a plurality of light source units are installed in a continuous housing, and power is supplied by an electrode of each light source contacting a bare power supply line provided in the housing. The footlight according to claim 1, claim 2, or claim 3. 7. The footlight according to claim 4, wherein a part of the light source unit is constituted by a refractive optical system such as a lens or a prism. 8. The footlight according to claim 4, wherein the power supply device is provided with a light amount detection device capable of detecting ambient brightness, and is turned off when bright and turned on when dark. 9. The footlight according to claim 4, wherein a detecting device capable of detecting the approach of a person is provided, and is turned on when the person approaches. 10. A detection device having a plurality of detection areas capable of detecting the approach of a person, wherein a light source close to the person or a light source close to the person and a light source in front of the person in the traveling direction are turned on in response to the approach of the person. Claim 4 or Claim 5 or
The foot light according to claim 6. 11. The footlight according to claim 4, wherein each light source unit can be attached or detached with one touch. 12. The footlight according to claim 1, wherein the power control device is installed on a wall surface. 13. The footlight according to claim 4, wherein the power supply control device is incorporated in a part of a continuous housing in which the light source unit is installed.