JPH0341440Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to an illumination device in which candle-shaped lamps are erected on an erected stand such as a decoration cake.

[Background Art] Conventionally, illumination devices of the type in which a plurality of candle-shaped lamps are set up on a stand like a decoration cake, each candle-shaped lamp only emits a certain amount of light, so it cannot be used as a real illumination device. The image is completely different from that of a candle, and there is a problem that, for example, when a decoration cake is used as an upright stand, it feels strange.

[Purpose of the invention] The present invention was made in view of the above points, and its purpose is to provide an illumination device that can produce the flickering of a flame caused by the wind similar to that of a real candle. It's about doing.

[Disclosure of the invention] (Embodiment 1) Fig. 1 shows an embodiment of the invention in which a decoration cake is used as an upright stand. Decorate cake 4 with multiple candle-shaped lamps 3 attached to
It is an illumination device that is installed upright at a suitable position on the upper surface, and a wind detection sensor 5 is provided near the upright position of each candle-shaped lamp 3, and the incandescent lamp part 2 is installed based on the output of the wind detection sensor 5. A light emission control means 6 for changing the amount of light emission is provided. In the embodiment, the wind detection sensor 5 is formed of a heated filament, and detects the amount of air by detecting a change in resistance of the filament. That is, the wind detection sensor 5 outputs a voltage or current proportional to the filament resistance, which changes depending on the amount of air. Further, temperature changes due to wind may be detected by a temperature sensor such as a thermistor, and furthermore, a wind pressure detection means for detecting wind pressure may be formed. On the other hand, the light emission control means 6 is formed using, for example, a phase control element (for example, a thyristor or a transistor),
Possible examples include a phase control circuit that controls the conduction phase using a wind detection signal, or a voltage level control circuit that changes the applied voltage level.

The operation of the embodiment will be described below. now,
In a state where there is no wind at all, the output of the wind detection sensor 5 corresponding to each candle-shaped lamp 3 is constant, and the light emission control means 6 controls the incandescent lamp part of each candle-shaped lamp 3 so that a preset amount of light is emitted. Controls the power supplied to 2. On the other hand, when a natural wind occurs or someone blows, the wind detection sensor 5 corresponding to each candle-shaped lamp 3
The wind detection signals from the above change depending on the wind volume, and the light emission control means 6 controls the power supply to the incandescent lamp section 2 of each candle-shaped lamp 6 based on the wind detection signals, so as to prevent fluctuations caused by the wind. It is now possible to create a lighting effect that appears to be occurring. Incidentally, when an air volume exceeding a certain level is detected, the light emission control means 6 may be formed so as to thereafter turn off the incandescent lamp part 2 to create an image of a candle extinguishing.

[Effects of the invention] As mentioned above, the present invention is an illumination device comprising a plurality of candle-shaped lamps, each having a flame-shaped incandescent lamp attached to the upper end of a cylindrical body, set up on an upright stand. A wind detection sensor is provided near the upright position of each candle-shaped lamp, and a light emission control means is provided for changing the amount of light emitted from the incandescent lamp section based on the output of the wind detection sensor. Since the amount of light emitted from the flame-shaped incandescent lamp changes according to the wind detected by the sensor, it has the effect of producing the fluctuating flame caused by the wind, similar to that of a real candle.

[Brief explanation of the drawing]

FIG. 1 is an overall perspective view of an embodiment of the present invention, FIG. 2 is a perspective view of essential parts of the same, and FIG. 3 is a block circuit diagram of the same. 1 is a body part, 2 is an incandescent lamp part, 3 is a candle lamp, 4 is a decoration cake, 5 is a wind detection sensor, and 6 is a light emission control means.

Claims (1)

[Scope of utility model registration request] An illumination device consisting of a plurality of candle-shaped lamps each having a flame-shaped incandescent lamp attached to the upper end of a cylindrical body, set up on a stand, in the vicinity of each candle-shaped lamp erected position. An illumination device comprising: a wind detection sensor; and a light emission control means for changing the amount of light emitted from an incandescent lamp section based on the output of the wind detection sensor.