JPH0122179Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to an air purifier that prepares the usage environment.

BACKGROUND ART Conventionally, as shown in FIG. 3, an air purifier 1 has been placed on a floor 2 in a place of use or on furniture 3 installed in a place of use. Reference numeral 4 denotes a hanging type lighting fixture at the place of use, which has a built-in pull switch for switching on and off, and 5 represents a hanging string connected to the pull switch.

Problems that the invention aims to solve In ordinary rooms, dirty air tends to accumulate in the upper part of the room. Since the air purifier occupies the space, other furniture and decorations may not be able to be placed.

Therefore, as shown in FIG. 4 or FIG. 5, an air purifier body 9 is disposed in the middle part of the electric cord 8 that suspends the lighting fixture body 6 from the ceiling 7 or on the top surface of the lighting fixture body 6, and a fan 10 is connected to the inlet hole. It is conceivable that the dirty air taken in from the filter unit 11 be discharged from the outlet hole 13 via the filter unit 12. FIG. 2 shows the electrical circuit of FIG.
is the pull switch, 15 is the power supply, and 16 is the ceiling 7.
17 is a hook sealing socket attached to the top of the air purifier body 9, and 18 is a hook sealing plug attached to the tip of the electric cord 8 extracted from the top of the air purifier body 9. A hook ceiling socket 19 is a hook ceiling plug attached to the tip of the electric cord 8 extending from the lighting device main body 9, and 21 is a motor for driving the fan 10.

In this way, the space between the lighting fixture body 6 and the ceiling 7 can be used effectively, and the space on the floor or on top of furniture can be used for other purposes, and the installation location of the air purifier can be reduced. Since it can be made higher than before, the air at the place of use can be treated quickly.

However, in this case, there remains the problem that the motor 21 continues to rotate even when the pull switch 14 is turned off and the light bulb 20 is turned off. 3, it is necessary to add a wall switch 22 or to connect the motor 21 to the internal circuit of the lighting fixture body 6.

This invention is a hanging lighting device with an air purifier that can control the power supply to the air purifier in conjunction with the power switch built into the lighting device without adding a wall switch or modifying the internal circuit of the lighting device. The purpose is to provide

Means for Solving Problems The hanging lighting device with an air purifier of the present invention suspends the lighting equipment with a power switch from the ceiling via a hanging member, and creates air between the lighting equipment and the ceiling. In addition to the air purifying means, the air purifier includes a load current detecting means for detecting the current from the power source to the lighting equipment body, and the air purifying means detects the current flowing from the power source to the lighting equipment body. The invention is characterized in that it is provided with a switch means for turning on energization.

Function According to this configuration, when the power switch built into the lighting equipment body is turned on and power is supplied to the lighting equipment body, the load current detection means built in the air purifier detects this and energizes the air purifying means. Ru.

Embodiment Hereinafter, an embodiment of the present invention will be described based on FIG. Components having the same functions as those in FIG. 2 are given the same reference numerals and their explanations will be omitted.

Reference numerals 23, 24, and 25 are a measuring current transformer, a signal processing circuit, and a switching element built into the air purifier main body 9, and one side line A between the hook ceiling plug 17 and the hook ceiling socket 18 is the current transformer. It is inserted through the core 26 of the vessel 23. The switching element 25 is interposed in series with the motor 21, and becomes conductive when the signal processing circuit 24 detects that the output voltage of the current transformer 23 exceeds a specified voltage.

With this configuration, when the pull switch 14 is off, no current flows through the line A, so no voltage is generated at the output of the current transformer 23, and the signal processing circuit 24 does not turn on the switching element 25. Therefore, the motor 21 does not rotate. When the pull switch 14 is turned on and the light bulb 20 lights up,
A current flows through line A and a voltage is generated at the output of current transformer 23, turning switching element 25 "on" and motor 21 starts rotating.

In the above embodiment, the signal processing circuit 24 controls the signal processing circuit 24 to apply a specified voltage to the output of the current transformer 23, although the switching element 25 immediately turns off when no voltage is generated at the output of the current transformer 23. A "day-lay-off" function is added that turns the switching element 25 "on" immediately upon detecting the occurrence of a voltage exceeding the specified voltage, and turns it "off" after a predetermined time when the output of the current transformer 23 is detected to be below the specified voltage. As a result, more appropriate air purification can be expected.

In the above embodiment, the air purifier is interposed between the electric cords 8, 8 in FIG.
The same effect can be obtained even if the upper electric cord 8 in the figure is omitted and the hook sealing plug 17 is provided on the upper surface of the air purifier main body 9.

Effects of the Invention As explained above, in the hanging lighting device with an air purifier of the present invention, the air purifier is disposed between the ceiling and the lighting device that is suspended from the ceiling via the hanging member. The space on the floor and above the furniture can be used for other purposes, and since the installation position is higher than before, air can be processed quickly. Furthermore, since the air purifying means is energized based on the output of the load current detection means, it is possible to synchronize with the blinking of the lighting equipment even when the lighting equipment has a built-in power switch and there is no wall switch etc. This is particularly effective when adding an air purifier to an existing lighting fixture with a power switch.

[Brief explanation of the drawing]

Figure 1 is an electrical wiring diagram of one embodiment of the present invention, Figure 2
The figure is an electrical wiring diagram explaining the problem that the present invention aims to solve, Figure 3 is a perspective view showing the conventional usage state of the air purifier, and Figures 4 and 5 are respectively the problems that the present invention aims to solve. FIG. 6...Lighting equipment body, 9...Air purifier body,
12...Filter unit, 14...Pull switch [power switch], 21...Motor, 23...
Current transformer [load current detection means], 24...signal processing circuit, 25... switching element [switching means].

Claims (1)

[Scope of utility model registration request] A lighting fixture with a power switch is suspended from the ceiling via a hanging member, and an air purifier is installed between the lighting fixture and the ceiling. A hanging lighting device with an air purifier, comprising a load current detecting means for detecting a current flowing into a lighting equipment main body, and a switch means for turning on electricity to an air purifying means while the load current detecting means detects energization.