JPH1125822A - Wall switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wall switch for receiving a control signal for lighting an illuminaire transmitted, via a wireless signal from the outside and supply an alternating power to the illuminaire. SOLUTION: A remote control transmitter transmits a control signal to an illuminaire 2 for turning on/off the illuminaire via a wireless signal consisting of optical signals such as infrared-ray light. At this time, at a wall switch 1, a light-receiving element 13a receives a control signal transmitted from the remote control transmitter, and a CPU 17 turns on a transistor T1 , based on a control signal received by the light receiving element 13a. When the transistor T1 is turned on, a current flows a set coil S of a relay RY, a relay contact ry is turned on, and an alternating power AC is supplied to the illuminaire 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall switch provided on a construction surface such as a wall surface for turning on / off power supply to a load.

[0002]

2. Description of the Related Art As this type of wall switch, there has been a switch used for turning on / off a lighting device provided on a ceiling surface, for example. As shown in FIG.
A receiving unit 21 for receiving a control signal transmitted from the outside as a wireless signal composed of an optical signal such as infrared light,
An AC power supply AC is supplied via a contact 11 of the wall switch 1 and a lighting unit 22 for lighting a lamp 23 according to a control signal received by the receiving unit 21.

Here, when the contact 11 of the wall switch 1 is closed and the AC power supply AC is supplied to the lighting section 22,
By using a remote control transmitter 3 that transmits a control signal by a wireless signal composed of an optical signal such as infrared light and transmitting a control signal from the remote control transmitter 3 to the lighting fixture 2, the lighting unit 22 The lamp 23 is turned on / off according to the received control signal.

[0004]

In the wall switch 1 having the above structure, when the contact 11 is opened, a control signal for turning on the lamp 23 is transmitted from the remote control transmitter 3 to the lighting equipment 2.
However, since the AC power was not supplied to the lighting unit 22, the lighting unit 22 could not light the lamp 23. Therefore, in order to turn on / off the lighting device 3 using the remote controller 3, the contact 11 of the wall switch 1 must first be closed, which is inconvenient.

The present invention has been made in view of the above problems, and an object of the present invention is to supply a power to a lighting apparatus in response to a control signal for lighting the lighting apparatus transmitted from the outside by a wireless signal. To provide a wall switch capable of supplying the power.

[0006]

According to the first aspect of the present invention, there is provided a receiving unit for receiving a control signal for controlling a load transmitted by a wireless signal from the outside, and a manual operation unit. An operation unit that outputs a control signal according to the operation, a control unit that generates a switch switching signal in response to a control signal received by the receiving unit or a control signal from the operation unit, and a control unit that generates a switch switching signal in response to the switch switching signal of the control unit. Since a switch unit for turning on / off the power supply to the load is provided, a control signal for controlling the load is received, and the switch unit can be switched according to the received signal.

According to a second aspect of the present invention, in the first aspect of the present invention, the wireless signal is an optical signal, and the receiving section comprises a light receiving element for receiving the optical signal. Can be According to a third aspect of the present invention, in the second aspect of the present invention, the operation unit includes the container housing the above-described units, and one end rotatably supported on the surface of the container and pressing the other end. And a piano handle for guiding the optical signal to the light receiving element is provided on the piano handle, and a light receiving window for guiding light incident from the light transmitting section to the light receiving element is provided on the body surface. Since it is provided, the control signal transmitted from the outside as an optical signal can be reliably guided to the light receiving element.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a light emitting element for displaying the switching state of the switch portion by light emission is housed in a body, and a light emitting window for emitting light of the light emitting element to the outside is provided. Since the light emitted from the light emitting window is emitted to the outside from the light transmitting part, the switching state of the switch part can be confirmed by the light emitting display of the light emitting element.

According to a fifth aspect of the present invention, in the fourth aspect, a prism for guiding an optical signal incident on the light transmitting portion from the outside to the light receiving window and guiding the light emitted from the light emitting window to the light transmitting portion is provided. Since it is provided, the light transmitting portion can be shared by the light emitting element and the light receiving element.

[0010]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a circuit diagram of the wall switch according to the present embodiment.
FIG. 2 shows a schematic configuration diagram. The wall switch 1 receives a control signal transmitted from the remote controller 3 by a push button switch 12 serving as an operation unit that outputs a control signal in response to a manual (pressing) operation, and a wireless signal including an optical signal such as infrared light. Receiving unit 13, a control unit 14 for generating a switch switching signal in response to a control signal of the push button switch 12 or a control signal received by the receiving unit 13, and a relay contact ry in response to a switch switching signal of the control unit 14. And a latching relay (hereinafter abbreviated as “relay”) RY as a switch for turning on / off the AC power supply AC to the lighting fixture 2 as a load. In this embodiment, the lighting fixture 2 is used as a load. However, it goes without saying that a load other than the lighting fixture 2 may be used as long as the load is controlled by using both the wall switch 1 and the remote controller 3.

The luminaire 2 is supplied with an AC power supply AC via a relay unit ry and a receiving unit 21 for receiving a control signal transmitted from the outside as a wireless signal composed of an optical signal such as infrared light. And a lighting unit 22 for turning on / off the lamp 23 according to the control signal received by the receiving unit 21. Here, the remote controller 3
However, when a control signal for turning on the lamp 23 is transmitted to the lighting fixture 2 by a wireless signal composed of an optical signal such as infrared light, the receiving unit 13 of the wall switch 1 transmits the control signal transmitted from the remote controller 3. Upon reception, the control unit 14 generates a switch switching signal according to the control signal received by the receiving unit 13, the relay RY closes the relay contact ry according to the switch switching signal from the control unit 14, and An AC power supply AC is supplied to the lighting section 22. At the same time, lighting equipment 2
Then, the receiving unit 21 receives the control signal transmitted from the remote controller 3, and the lighting unit 22 lights the lamp 23 according to the control signal received by the receiving unit 21.

In the wall switch 1, a push button switch 1
2, the control unit 14 causes the pushbutton switch to operate.
Relay contact r according to the control signal input from the switch 12
y on / off, and the power of the AC power supply AC to the lighting unit 22
Supply is turned on / off. The circuit configuration of this wall switch 1
This will be described in detail with reference to the circuit diagram of FIG. Wall switch 1
Terminal t₁, T_TwoAC power supply AC is connected between
_Two, T _ThreeThe lighting fixture 2 is connected between them. here,
Terminal t₁, T_ThreeThe relay contact ry is connected between
When the relay contact ry is turned on / off,
The power supply of the AC power supply AC to the lighting device 2 is turned on / off.
You.

The control unit 14 supplies a rectifier 15 having an AC input terminal connected between the terminals t ₁ and t ₂ , smoothes the rectified voltage of the rectifier 15, and supplies operating power to each unit of the control unit 14. A regulator circuit 16, a CPU 17 for outputting a switch switching signal to the relay RY in response to a control signal of the push button switch 12 and a control signal received by the light receiving element 13a of the receiving unit 13, and a display of a switching state of the relay contact ry It is composed of light emitting diodes LED ₁ and LED _{2 as} light emitting elements for displaying the position of the wall switch 1 and the like, and transistors T ₁ and T ₂ turned on and off by the CPU 17. Reference numeral 18 denotes a reset IC for resetting the CPU 17, reference numeral 19 denotes a clock generation circuit for generating an operation clock of the CPU 17, and reference numeral 20 denotes an EEPROM for storing an operation program of the CPU 17.

Here, when the push button switch 12 is pressed, the CPU 17 generates a switch switching signal in accordance with the control signal input from the push button switch 12, and the relay RY
Inverts the relay contact ry according to the switch signal. For example, when the relay contact ry is open, pushbutton switch 12 is pressed, the control signal of the push button switch 12 to the CPU 17 is input, CPU 17 will thereby turn on the transistor T _1, the ON state of the relay contact ry lighting the light emitting diodes LED ₁ showing the. When the transistor T ₁ is turned on, the set coil S of the relay RY is energized, thereby closing the relay contact ry.

When the relay contact ry is closed and the push button switch 12 is pressed and a control signal of the push button switch 12 is input to the CPU 17,
Turns on the transistor T ₂ and sets the relay contact r
The light-emitting diode LED ₂ indicating the OFF state of y is turned. When the transistor T ₂ is turned on, the reset coil R of the relay RY is excited and the relay contact ry is opened.

[0016] On the other hand, the light receiving element 13a has received a control signal for turning on the lighting fixture 2 transmitted from the remote control unit 3, CPU 17 in response to a control signal light receiving element 13a receives, on the transistors T ₁ as well as, to light the light emitting diodes LED _1. When the transistor T ₁ is turned on, the exciting set coil S of the relay RY is, the relay contact ry and is closed, the AC power source AC is supplied to the lighting fixture 2. At this time, also in the lighting fixture 2, the receiving unit 21 receives the control signal transmitted from the remote controller 3, and the lighting unit 22 turns on the lamp 23 according to the control signal received by the receiving unit 21.

Therefore, when the remote controller 3 transmits a control signal for turning on the luminaire 2 to the luminaire 2, the relay contact ry is opened and even if the luminaire 2 is not supplied with AC power AC, as described above, it receives the control signal light receiving element 13a is transmitted from the remote control unit 3 to turn on the transistors T ₁ in response to a control signal CPU17 receives the light receiving elements 13a, close the relay contact ry Therefore, the AC power supply AC is supplied to the lighting fixture 2, and the lighting unit 22 can turn on the lamp 23 according to the control signal received by the receiving unit 21.

When the remote controller 3 transmits a control signal for turning off the lighting apparatus 2 to the lighting apparatus 2, the receiving unit 21 of the lighting apparatus 2 receives the control signal transmitted from the remote controller 3, The lighting unit 22 turns off the lamp 23 according to the control signal received by the receiving unit 21. At this time,
In the wall switch 1, the light receiving element 13a is
Receiving a control signal transmitted from the transistor T ₂ in response to a control signal CPU17 receives the light receiving element 13a
To excite the reset coil R of the relay RY,
The power supply to the lighting equipment 2 may be cut off by opening the relay contact ry, or the power supply to the lighting equipment 2 may be continued with the relay contact ry kept closed.

Next, the structure of the wall switch 1 will be described with reference to the drawings. As shown in FIG. 3 to FIG.
Is composed of a synthetic resin body 4a and a cover 4b, and is formed to have three unit dimensions of the standardized ready-made embedded wiring equipment. And the body 4
The push button switch 12 that outputs a control signal to the control unit 14 by performing contact switching of the contact device by the pressing operation of the push button handle 40, and a circuit that constitutes the receiving unit 13 and the control unit 14 described above. Printed circuit board 24 mounted
A piano handle 5 is mounted on the upper surface of the body 4 so that one end is pivotally supported and the other end is pressed to press the push button handle 40.

The cover 4b is provided with a pair of locking claws 41 on both end surfaces so as to be detachably mountable on a mounting frame 8 used for embedding a ready-made wiring device.
A cavity 42 is formed in the back of one of the locking claws 41 so that the locking claw 41 elastically bends backward. Therefore, the locking claw 41 is locked to the mounting frame 8 for a ready-made wiring device,
The body 4 of the wall switch 1 can be detachably attached to the attachment frame 8, and can be embedded on a construction surface such as a wall surface in the same manner as a ready-made embedded wiring device. Body 4
a and the cover 4b are connected by engaging a locking projection 45 protruding from the side surface of the body 4a with a locking hole 44 of a locking piece 43 hanging down from the cover 4b.
At the time of locking, the locking can be easily performed by utilizing the elasticity of the locking piece 43 and the inclined surface 45a at the upper end of the locking projection 45.

As shown in FIG. 3, a pair of shafts 46 are provided at an intermediate portion of one end of the upper surface of the cover 4b in the vertical direction at a predetermined interval, and these shafts 46 have upper portions. It has a substantially cylindrical shape. The piano handle 5 is shown in FIG.
As shown in FIG. 5, a bearing portion 50 is provided at one end of the back surface, the bearing portion 50 including a hole 51 whose lower opening is an opening for fitting, and a metal spring body 52 for bearing. The hole 51 is provided with a locking hole 51a on one side of the inner wall, and the bearing spring body 52 housed in the hole 51 is formed by bending the tip so as to protrude into the hole 51. The portion 46 is supported.

The opening for the fitting of the hole 51 opened downward is narrower than the inside of the bearing part 50 by the above-mentioned protruding part 52a, and as shown in FIG. The shaft 46 projecting from the upper surface of the body 4 is
0, the shaft 46 and the bearing 5
The pivotal connection with zero is not disengaged. By pivotally fitting the shaft portion 46 to the bearing portion 50 in this manner, a shaft support portion that rotatably supports the piano handle 5 is configured. In addition, the other end of the piano handle 5 is provided with a retaining piece (not shown) for retaining it toward the back.
The retaining piece is inserted into the cavity 42 so that the tip of the retaining piece does not fall out of the cavity 42 even when the piano handle 5 rotates. The vertical length of the piano handle 5 is longer than the vertical length of the wall switch 1 in order to improve operability.

As described above, the piano handle 5 is mounted on the body 4 of the wall switch 1. When the piano handle 5 is pressed, the piano handle 5 is pivoted about the bearing between the bearing 50 and the shaft 46. The handle 5 rotates in a piano touch manner. Then, by turning the piano handle 5, the push button handle 40 of the push button switch 12 is pressed. When the push button handle 40 is pushed down against the return spring 25 in accordance with the push down operation of the piano handle 5, the contact device (not shown) of the push button switch 12 performs a reversing operation by pushing down the push button handle 40. When the contact device of the push button switch 12 performs a reversing operation, the push button switch 12
, A control signal is output to the CPU 17, the CPU 17 generates a switch switching signal in accordance with the control signal of the push button switch 12, and the relay RY inverts the contact state of the relay contact ry.

When the pressing force of the piano handle 5 is released after the contact device of the push button switch 12 is reversed, the push button handle 40 is pushed up by the return spring 25,
The piano handle 5 returns to the original state. Thereafter, when the piano handle 5 is pushed down, the push button handle 40 is pushed down by the push down operation of the piano handle 5, and the contact device of the push button switch 12 performs the reversing operation again. When the contact device of the push button switch 12 performs a reversing operation,
A control signal is output from the push button switch 12 to the CPU 17, the CPU 17 generates a switch switching signal in accordance with the control signal of the push button switch 12, and the relay RY is
Invert y. Since the structure of the push button switch 12 is well known, its description is omitted. An electric wire insertion port 49 is provided on the back surface of the housing _4, and a connection terminal (not shown) having a so-called quick-connecting terminal structure that constitutes the terminals t _{1 to} t ₃ described above is provided behind the electric wire insertion port 49. The wall switch 1 is connected to the AC power supply AC and the lighting equipment 2 by connecting the electric wire inserted from the electric wire insertion port 49 to the connection terminal.

Inside the body 4, two light emitting diodes LED and a light receiving element 13a are housed, and a light transmitting resin cover for emitting light from the two light emitting diodes LED to the outside is covered. A light-transmitting window 47 is provided between the shafts 46, 46 of the cover 4b, and the light from the light-transmitting window 47 is guided to the light-transmitting portion 5 for light-emitting display.
3 are provided. Further, as shown in FIG. 4A, above the light emitting diode LED, for example, a control signal transmitted from the outside as a wireless signal including an optical signal such as infrared light to guide the light to the light receiving element 13a is provided. A light receiving window 48 having a light transmitting resin cover attached thereto is provided.
The light receiving element 13a is installed in the back of the camera.

By the way, two light emitting diodes LED
Are those that emit light when the relay contact ry of the wall switch 1 is on (for operation display) and those that emit light when the relay contact ry is off (the so-called fireflies are displayed to indicate the presence of the wall switch 1). The light of the two light emitting diodes LED can be visually recognized by the light transmitting portion 53 provided on the piano handle 5.

Here, the light of the light emitting diode LED provided on the wall switch 1 is guided to the light transmitting portion 53 to emit light, and the light receiving element 13a mounted on the wall switch 1 transmits an optical signal such as infrared light. The prism 7 is disposed on the piano handle 5 in order to guide a control signal transmitted from the outside to the light receiving element 13a provided inside the light receiving window 48. As shown in FIGS. 7 and 8, the prism 7 has a projection / recess shape having a protruding surface 70 having a triangular wave shape. Behind the protruding surface 70, an incident surface 7 on which light from the light emitting diode LED enters.
1 is provided. Further, a side protruding prism portion 72 is provided from the back side of the protruding surface 70 to both upper and lower sides, and a rear surface of the side protruding prism portion 72 has a protruding surface 70 from the outside.
There is provided an emission surface 73 for emitting the light incident on the light receiving element 13a. Inner wall surfaces on both sides of the concave portion of the incident surface 71 are inclined to have one end behind the protruding surface 70, and the inclined surface becomes a first reflecting surface 74 of light guided into the prism 7 from the protruding surface 70. ing. Further, a tapered inclined surface is also formed on the end surface of the side protruding prism portion 72, and this inclined surface serves as a second reflecting surface 75 of the light reflected by the first reflecting surface 74.

The prism 7 is attached to the rear surface of the piano handle 5 by heat-sealing or the like such that the protruding surface 70 faces the light transmitting portion 53 provided on the piano handle 5. Here, the light-transmitting portion 53 is formed of a light-transmitting resin, is opened from the back surface to the front surface of the piano handle 5, and is attached to the opening portion 54 facing the projecting surface 70 of the prism 7 from the front surface side of the piano handle 5. And a lens part 5 in the center.
3a is formed, and the back surface of the lens portion 53a is formed as a downwardly inclined surface 53c, and the downwardly inclined surface 53c increases the viewing angle in the upward direction to make it easier to see.

Here, the structure of the light transmitting portion 53 will be described in detail. The light transmitting portion 53 includes a lens portion 53a and a frame-shaped fixing portion 53b around the lens portion 53a. It is formed of a double molded product in which the lens portion 53a is formed secondarily, and has a cross section substantially L when viewed from the side.
It is in shape. Then, the lens portion 53 is formed by double molding.
a and the fixing portion 53b may be different colors. The light-transmitting portion 53 is fitted into the opening 54 of the piano handle 5 from above, and the step 5 formed on the inner periphery of the opening 54 is formed.
4a, the peripheral edge of the fixing portion 53b is placed, and the temporary fixing pins 53c projecting from the rear surface are connected to the stepped portions 5 of the opening portion 54.
After inserting the translucent portion 53 temporarily into the piano handle 5 by inserting it into an insertion hole (not shown) formed in 4a, the ultrasonic fixing horn is pressed, for example, and the temporary fixing pin is pressed by ultrasonic energy. 53c is melted, and the light transmitting portion 53 is
It is fixed by heat.

Thus, the entrance surface 71 of the prism 7 faces the light emitting window 47 provided on the upper surface of the wall switch 1, that is, the light emitting diode LED provided in the back of the light emitting window 47, and the emission surface of the prism 7 The surface 73 faces the light receiving window 48 provided on the upper surface of the wall switch 1, that is, the light receiving element 13a provided in the back of the light receiving window 48. Then, as shown in FIG. 8A, light incident on the lens portion 53a of the light transmitting portion 53 from the outside is refracted upward in FIG. 8 by a downward inclined surface 53c provided on the back surface of the lens portion 53a. , And enters the protruding surface 70 of the prism 7. Then, the light that has entered the prism 7 from the protruding surface 70 is reflected by the upper first reflecting surface 74, and then is provided on the end surface of the upper side prism portion 72.
Of the light receiving element 13
The light is emitted toward a. Also, as shown in FIG.
The light emitted from the light emitting diode LED enters the prism 7 from the incident surface 71 and exits from the protruding surface 70 toward the light transmitting portion 53. In this case, by forming the protruding surface 70 into a triangular wave-like uneven shape, it is possible to eliminate the bias of the light emitted from the protruding surface 70 so that the light is directed in substantially the same direction.

A concave flat surface 55 is formed on the front side of the piano handle 5, and a window 57 is provided at the bottom of the concave flat surface 55 for inserting and removing a plate. The window 57 can be opened and closed from the rear side of the piano handle 5. A central name 60a is attached to the concave flat surface 55 so that a name card 59 arranged at least corresponding to the window 57 can be seen.

Here, a plurality of projections 61 tapering toward the front end are provided on the back surface of the name cover 60, respectively.
A press-fit hole 56 for press-fitting the protrusion 61 is formed in a portion of the concave flat surface 55 corresponding to the protrusion 61. The protrusion 61 is press-fitted into the press-fit hole 56, and the name cover 60 is attached to the piano handle 5. Fix it. The door 58 pivotally supported by the window 57 so as to be freely opened and closed has shafts 58a, 58a protruding on both sides of one end, and the shafts 58a, 58a are mounted on bearings 57a, provided on both sides of one end of the window 57. The door 58 can be opened and closed around the shafts 58a, 58a by being rotatably fitted to the shaft 57a. In this case, when the name cover 60 is fixed to the piano handle 5, the bearing 57
The shafts 58a, 58a fitted to the shafts a, 57a do not fall off. Further, projections 58b, 58b are provided on both sides of the other end of the door 58, and the projections 58b are press-fitted into engagement portions 57b, 57b formed on both sides of the other end of the window 57 to be closed. Is to be held.

When the name card 59 is to be stored, the door 58 is opened from the back of the piano handle 5, the name card 59 is fitted into the window 57, and placed on the back of the name cover 60. When the door 58 is closed, the name card 59 is sandwiched between the door 58 and the name cover 60, and characters, numerals, symbols, and the like of the name card 59 can be visually recognized from the front side from the central portion 60a of the name cover 60. .

The shafts 58a projecting from both sides of the door 58,
By making the lengths of the doors 58a different, the reverse assembly of the door 58 is prevented.

[0035]

According to the first aspect of the present invention, as described above, a receiving section for receiving a control signal for controlling a load transmitted from the outside by a wireless signal, and a control signal manually operated and corresponding to the operation. An output unit, a control unit that generates a switch switching signal in response to a control signal received by the receiving unit or a control signal from the operating unit, and turns on power supply to a load in response to the switch switching signal of the control unit. Switch unit for receiving a control signal for controlling the load and switching the switch unit in accordance with the received signal, so that the switch unit shuts off power supply to the appliance. In this state, power can be supplied to the load by a control signal transmitted from the outside as a wireless signal, and the load can be operated, so that the usability of the wall switch is improved.

According to the second aspect of the present invention, since the wireless signal is an optical signal and the receiving section is formed of a light receiving element for receiving the optical signal, there is an effect that the receiving section can be realized with a simple configuration. According to a third aspect of the present invention, there is provided a container for accommodating the above components, and a piano handle having one end rotatably supported on the surface of the container and pressing the other end to operate the operation unit. A light transmitting portion for guiding the light signal to the light receiving element is provided on the piano handle, and a light receiving window for guiding the light incident from the light transmitting portion to the light receiving element is provided on the surface of the body, so that it can be externally provided. There is an effect that the control signal transmitted by the optical signal can be reliably guided to the light receiving element.

According to a fourth aspect of the present invention, a light emitting element for emitting and displaying the switching state of the switch portion is provided in the body, and a light emitting window for outputting light of the light emitting element to the outside is provided in the body. Since the light emitted from the light-emitting element is emitted from the light-transmitting portion to the outside, there is an effect that the switching state of the switch portion can be confirmed by the light-emitting display of the light-emitting element. Claim 5
According to the invention, since a prism for guiding an optical signal incident on the light transmitting portion from the outside to the light receiving window and guiding light emitted from the light emitting window to the light transmitting portion is provided, the light transmitting element is connected to the light emitting element by the light receiving element. There is an effect that it can be shared with the element.

[Brief description of the drawings]

FIG. 1 is a circuit diagram illustrating a wall switch according to an embodiment.

FIG. 2 is a schematic configuration diagram of the above.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 shows the wall switch of the above, (a) is a front view,
(B) is a side view, and (c) is a back view.

FIG. 5 is a sectional view of the above, which can be partially crushed.

FIGS. 6A and 6B are explanatory diagrams for explaining a mounting state of a piano handle.

FIG. 7 is a sectional view of a main part of the above.

FIGS. 8A and 8B are explanatory diagrams illustrating light passing through a prism used in the above.

FIG. 9 is a schematic configuration diagram showing a conventional wall switch.

[Explanation of symbols]

1 Wall Switch 2 luminaires 13a receiving element 17 CPU RY relay ry relay contact S set coil T ₁ transistor

Claims (5)

[Claims] A receiving section for receiving a control signal for controlling a load transmitted by a wireless signal from the outside; an operating section for manually outputting a control signal in accordance with an operation; A control unit for generating a switch switching signal in response to a control signal or a control signal from an operation unit; and a switch unit for turning on / off power supply to a load in response to the switch switching signal of the control unit. Features a wall switch. 2. The wall switch according to claim 1, wherein said wireless signal is an optical signal, and said receiving section comprises a light receiving element for receiving the optical signal. 3. A container housing said parts, and a piano handle having one end rotatably supported on the surface of the body and pressing the other end to operate said operating part, A light transmitting portion for guiding the optical signal to the light receiving element is provided on the piano handle, and a light receiving window for guiding light incident from the light transmitting portion to the light receiving element is provided on the body surface. Item 2. The wall switch according to Item 2. 4. A light emitting element for displaying the switching state of the switch portion by light emission is provided in the body, and a light emitting window for outputting light of the light emitting element to the outside is provided in the body, and light emitted from the light emitting window is provided. 4. The wall switch according to claim 3, wherein the light is emitted from the light transmitting portion to the outside. 5. A prism for guiding an optical signal incident on the light transmitting portion from the outside to the light receiving window and guiding light emitted from the light emitting window to the light transmitting portion.
The described wall switch.