JPH1116682A - Wireless switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wireless switch which can control an existing lighting load by a remote control device simply by replacing an existing wall switch with it. SOLUTION: A series circuit of an alternating current power source AC and an incandescent lamp La is connected between terminals T1 and T2 . A TRIAC Q1 is connected between the both terminals T1 and T2 , and this TRIAC Q1 is controlled by a control circuit CN receiving a wireless signal received in a wireless receiving part WR. In addition, an instrument is a wall-embedded type and the wireless receiving part WR is provided above a part exposing from a wall surface in the instrument.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless switch used for controlling a lighting load.

[0002]

2. Description of the Related Art In recent years, lighting fixtures that can be controlled from a remote place using a remote controller have become widespread. Many of these types of lighting fixtures have a built-in wireless receiving unit for receiving a wireless signal from a remote control device in the lighting fixture, and are attached to a hanging ceiling provided on a ceiling. Can also be easily replaced if it has been mounted using a hooking ceiling.

[0003]

On the other hand, a wall-mounted lighting fixture called a bracket or a recessed lighting fixture such as a downlight cannot be easily replaced by a remote control device, and is temporarily replaced. However, downlights that can be operated with a remote control device have a large depth
If the ceiling is shallow, as in a four-construction house, the ceiling must also be refurbished, and in practice it is impossible to operate with a remote control device.

On the other hand, there is a load control system for transmitting data between terminals in a time-division multiplex transmission system, and there is also a load control system of this type which uses a remote control device. You cannot use a remote control for the instrument. In addition, it is very troublesome to additionally construct such a load control system. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a wireless switch that can control an existing lighting load by a remote control device simply by attaching it to an existing wall switch.

[0005]

According to the first aspect of the present invention, there is provided a switch element inserted between a commercial power supply and a lighting load, a wireless receiver for receiving a wireless signal, and a wireless signal received by the wireless receiver. A control circuit that controls the switch element based on the switch element, and terminals electrically connected to both ends of the switch element. The wireless signal is received through a light receiving window provided at an exposed portion. According to this configuration, the switch element is controlled in accordance with the wireless signal, and the switch element is inserted between the commercial power supply and the lighting load, so that the lighting load can be controlled by the wireless signal. Moreover, it has the body of the switch embedded in the wall,
Since it has terminals electrically connected to both ends of the switch element, it can be installed in place of the existing wall-mounted switch, and can be replaced with the existing switch used for turning on / off the lighting load. Just by doing so, the lighting load can be controlled by the wireless signal.

According to a second aspect of the present invention, in the first aspect of the present invention, an operation section for manually giving an instruction to control the switch element to the control circuit is disposed at a portion of the body exposed from the wall surface. . According to this configuration, the lighting load can be controlled from near the wall, similarly to the existing switch. According to a third aspect of the present invention, in the second aspect, the control circuit controls the phase of the switch element by at least one of a wireless signal and an operation of the operation unit. According to this configuration, since the phase of the switch element is controlled, it is possible to dimming the lighting load,
By switching the light output of the lighting load to a plurality of stages (at least three stages of rated lighting, dimming lighting, and extinguishing), it is possible to produce an effect by lighting in the indoor space. If a plurality of lighting loads are present in the room, by setting the light output individually for each lighting load, it is also possible to produce effects by combined lighting. In particular, if a plurality of combinations are registered in the remote control device and a desired one is selected from the registered combinations, a plurality of lighting devices can be collectively controlled by one remote control device from a place away from the wall. Will be possible.

According to a fourth aspect of the present invention, in the second or third aspect, a terminal for a slave unit for connecting a dedicated signal line to a slave unit for providing a signal equivalent to the operation of the operation unit to the control circuit. It is provided with. According to this configuration, it is possible to control one lighting load from a plurality of locations by providing the slave units.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A wireless switch according to this embodiment has a circuit configuration shown in FIG. 1 and is housed in a housing 1 shown in FIG. The body 1 shown in FIG. 2 is a three-module-sized body 1 standardized as an embedded wiring device according to JIS or the like, and is used for a wiring device fixed to a construction surface such as a wall surface. Attached to the mounting frame. A decorative plate 2 is attached to the periphery of the body 1 so that the mounting frame and the like are not exposed. By using such a case 1, it is possible to replace and install an existing wiring device (switch).

By the way, as shown in FIG. 1, in the present embodiment, it is assumed that an incandescent lamp La is used as an illumination load, and two terminals T for connecting a series circuit of the incandescent lamp La and the commercial power supply AC. ₁ and T ₂ . Both terminals T ₁ , T
Between ₂ is triac (triode bidirectional thyristor) Q ₁ is connected as a switch element, the trigger signal is input by using the photocoupler PC to the gate terminal of the triac Q _1. The trigger signal is generated by a control circuit CN including a microcomputer. The operation of the control circuit CN will be described later.

An AC input terminal of a rectifier circuit DB composed of a diode bridge is connected between the terminals T ₁ and T ₂ . The rectifier circuit DB are connected in parallel to the triac Q _1, at the time of off triac Q ₁ will be current always flows from the commercial power source AC through an incandescent lamp La to the rectifier circuit DB, the power supply to the control circuit CN Is supplied with a sufficient current. However, this current is set so that the incandescent lamp La does not light. The DC output terminal of the rectifier circuit DB is connected to the constant voltage circuit VS, and the constant voltage circuit VS outputs a high-low DC voltage. Further, at the time of lighting of an incandescent lamp La triac Q ₁ in the vicinity of zero cross point of the commercial power source AC voltage waveform is fed to the rectifier circuit DB in the period turns off. Therefore, power supply to the control circuit CN is always ensured. The low voltage output from the constant voltage circuit VS is used as a power supply for the control circuit CN, and the high voltage is used to connect the slave unit 4. The slave 4 will be described later.

The control circuit CN has a data comprising an EEPROM.
The data storage ME is connected to the data storage ME.
Iac Q₁Data for phase control is stored.
Have been. Also, when the power supply is connected to the control circuit CN or when the power
Reset circuit RS and clock signal
A crystal oscillator X for generating a signal is connected. Control times
Three switches SW on the road CN₁~ SW_ThreeIs connected
I have. Each switch SW₁~ SW_ThreeIs a tact switch
Switch with a small stroke.
Switch₁Is rated lighting, switch SW_TwoIs dimmed, switch
Switch _ThreeIs provided to instruct each to turn off
I have. Switch SW₁~ SW_ThreeOperation unit M₁~ M_ThreeIs a figure
As shown in FIG. Each switch S
W ₁~ SW_ThreeFrom the control circuit CN in accordance with the manual operation of
Trigger signal is generated, and this trigger signal
Triac Q through Top Coupler PC₁Give to the gate
By being done, TRIAC Q₁ON / OFF control
Is done. That is, the switch SW₁If you press
Iac Q₁Is the zero-cross point of the voltage waveform of the commercial power supply AC
It is turned on for almost the entire period except the vicinity, and the incandescent lamp L
“a” lights up at the rated value. Also, switch SW_TwoPress
For example, Triac Q₁Is the half of the voltage waveform of the commercial power supply AC
Turns on from the appropriate phase angle every cycle and crosses zero
Turns off near the point. In other words, incandescent electricity
The power supply to the bulb La is limited and the incandescent lamp La is dimmed.
Will do. Switch SW_ThreeIf you press
Iac Q₁Is kept off and the incandescent lamp La is turned off
You.

The output terminal of the rectifier circuit DB has a load state detection circuit.
Road SL is connected and triac Q ₁Is turned off
Since the output voltage of the current circuit DB rises,
By detecting with the detection circuit SL and giving it to the control circuit CN,
In the control circuit CN, a position indicator P composed of a light emitting diode
L is turned on. This position indicator light PL is located on the front side of the body 1.
The incandescent lamp is arranged corresponding to the display window 3 provided in
By turning on when La is turned off, the body 1 in the dark
The site is made easy to find.

By the way, a slave 4 having the same function as the switches SW _{1 to} SW ₃ can be connected.
A pair of slave terminals T ₃ and T ₄ are provided. A voltage setting circuit SV capable of changing a line voltage of a two-wire signal line connected to the slave terminals T ₃ and T ₄ is provided between the slave terminals T ₃ and T ₄ . The voltage setting circuit SV includes two Zener diodes ZD ₁ and ZD ₂ having different breakover voltages, and one Zener diode ZD
Emitter connected in series - the collector of the transistor Q ₂ is _2. Therefore, whether to use a Zener diode ZD ₂ for the reference voltage in response to on-off of the transistor Q _2, determines whether to use a zener diode ZD ₁ for reference voltage, whereby it is possible to change the line voltage of the signal line It is like that. Also, a protection circuit (current limiting circuit) PR for limiting the current flowing through the signal line
Is provided. Here, it is sufficient to determine whether the incandescent lamp La is turned on by pressing the switches SW ₁ and SW ₂ or whether the incandescent lamp La is turned off by pressing the switch SW _3. Therefore, the line voltage of the signal line is switched in two stages. When the incandescent lamp La is extinguished, the position indicator light provided on the slave unit 4 is turned on. That is, the body 6 of the slave 4 has the same shape as the body 1 as shown in FIG. 3, and the position can be displayed through the display window 7.

The slave 4 has a voltage setting circuit SV and a protection
A circuit similar to the circuit PR is provided. However, child device
4 (three operating units M shown in FIG. 3)._Four~ M₆To
(Shown), the signal corresponding to each switch is
It is possible to change the line voltage of the railway line in three stages.
It has become. Terminal T for slave unit_Three, T_FourHas line voltage detection
Section VT is connected and input through the line voltage detection section VT.
The operation of the slave 4 is controlled by the control circuit CN in accordance with the voltage
Recognize and switch SW₁~ SW_ThreeSame as pressing
The same processing is performed. In this way, the switch of the slave 4
And switch SW ₁~ SW_ThreeIs equivalent to
You.

By the way, a wireless receiver WR is connected to the control circuit CN. The wireless receiving unit WR, receiving a wireless signal from a wireless transmitter disposed outside (remote control device), and controls the triac Q ₁ in response to the wireless signal. Here, the wireless receiving unit WR receives a wireless signal through the light receiving window 5 provided on the front surface of the body 1. The remote control device has switches SW ₁ to
Has the same function as that of the SW _3, rated lighting of the incandescent light bulb La,
Dimming lighting and extinguishing can be instructed. Further, the dimming level may be instructed by the remote control device at the time of dimming lighting.

Since the incandescent lamp La can be controlled by the remote control device in this manner, wireless switches for controlling different incandescent lamps La are arranged at a plurality of locations, and one remote control device instructs each wireless switch. If it is given, it is possible to control incandescent lamps La from one place to many places. Further, the remote control device has data for collectively controlling the incandescent lamps La at a plurality of locations so that the incandescent lamps La are respectively set to a predetermined lighting state, and wireless signals are simultaneously transmitted to a plurality of wireless switches at a single operation by a single operation. Thus, a plurality of incandescent lamps La may be controlled collectively. Here, it is needless to say that the wireless signal is individually identified by the identification code set for each wireless switch.

[0017]

According to the first aspect of the present invention, there is provided a switch element inserted between a commercial power supply and a lighting load, a wireless receiver for receiving a wireless signal, and a switch based on the wireless signal received by the wireless receiver. It has a control circuit for controlling the elements, and terminals electrically connected to both ends of the switch element, and is housed in the body of the wall-embedded switch,
A wireless receiving unit receives a wireless signal through a light receiving window provided at a portion exposed from a wall in the body, and a switch element is controlled according to the wireless signal, and the switch element is connected between a commercial power supply and a lighting load. Therefore, there is an advantage that the lighting load can be controlled by a wireless signal. Moreover, since it has a body of a wall-embedded switch and has terminals electrically connected to both ends of the switch element, it can be mounted in place of an existing wall-embedded switch, By simply replacing the existing switch used for turning on / off the lighting load, the lighting load can be controlled by a wireless signal.

According to the second aspect of the present invention, in a case where an operation unit for manually giving an instruction to control a switch element to a control circuit is provided at a portion exposed from a wall surface of a body, an illumination load is applied to an existing load. There is an advantage that control can be performed from near the wall as with the switch. When the control circuit controls the phase of the switch element by at least one of the wireless signal and the operation of the operation unit as in the invention of claim 3, since the phase of the switch element is controlled, the lighting load can be dimmed and lit. It is possible, and there is an advantage that the effect by lighting can be performed in the indoor space by switching the light output of the lighting load to a plurality of stages (at least three stages of rated lighting, dimming lighting, and extinguishing). Further, when there are a plurality of lighting loads in the room, there is an advantage that the effect by the combined lighting becomes possible by individually setting the light output for each lighting load. In particular, if a plurality of combinations are registered in the remote control device and a desired one is selected from the registered combinations, a plurality of lighting devices can be collectively controlled by one remote control device from a place away from the wall. Will be possible.

According to a fourth aspect of the present invention, a terminal provided with a terminal for connecting a dedicated signal line to a terminal providing a signal equivalent to the operation of the operating section to the control circuit is provided with a terminal. This has the advantage that one lighting load can be controlled from multiple locations.

[Brief description of the drawings]

FIG. 1 is a circuit diagram showing an embodiment of the present invention.

FIG. 2 is a front view showing the appearance of the above.

FIG. 3 is a front view showing a child device used in the above.

[Explanation of symbols]

1 device body 4 children unit 5 receiving window AC commercial power CN control circuit La incandescent Q ₁ triac T _1, T ₂ terminal T _3, T ₄ children dexterity terminal WR wireless receiver

Claims (4)

[Claims] 1. A switch element inserted between a commercial power supply and a lighting load, a wireless receiver for receiving a wireless signal, and a control circuit for controlling the switch element based on the wireless signal received by the wireless receiver. A terminal that is electrically connected to both ends of the switch element, is housed in the body of the wall-embedded switch, and the wireless receiver is provided with a wireless signal through a light receiving window provided at a portion of the body exposed from the wall surface. Wireless switch. 2. The wireless switch according to claim 1, wherein an operation unit for manually giving an instruction to control the switch element to the control circuit is disposed at a portion of the housing exposed from the wall surface. 3. The wireless switch according to claim 2, wherein the control circuit controls the phase of the switch element by at least one of a wireless signal and an operation of an operation unit. 4. The terminal according to claim 2, further comprising a terminal for a slave unit for connecting a dedicated signal line to a slave unit that supplies a signal equivalent to the operation of the operation unit to the control circuit. Wireless switch.