JP2021064501A - Switch device - Google Patents

Abstract

To improve convenience by allowing a load device to be turned on/off by radio whether or not a switch is turned on/off.SOLUTION: A switch device 1 comprises: a radio part 5 which is connected to a power source line 2 and receives a radio signal for switching the on/off state of a load device 200; and a relay part 10 which has a first contact 11 connected to the power source line 2, and a second contact 12 and a third contact 13 respectively connected to two fixed contacts 102 and 103 of a three-way switch 100, and which is connected to the radio part 5 so as to switch the connection with the first contact 11, the second contact 12, or the third contact 13 in accordance with the radio signal. Either the relay part 10 or the three-way switch 100 is capable of turning on/off the load device 200 whether or not the other one of them is turned on/off.SELECTED DRAWING: Figure 3

Description

The present invention relates to a switch device and a switch system provided in a circuit including a load device.

Conventionally, a physical switch is provided in a circuit including a load device such as a lighting device, and the load device is turned on / off by this switch.
Further, in recent years, there is a technique for turning on / off a load device by using wireless technology.

As such a technique, Patent Document 1 defines a power supply, a load, and a circuit of a relay connected so as to control the load, and signals the relay, the wireless receiver, and the signal of the wireless receiver. A signal processing unit that controls the relay is used as a control device for the circuit, and an installation free switch device that controls the circuit by installing a switch device incorporating a transmitter and a switch or a sensor at any place has been proposed. ing.

Japanese Unexamined Patent Publication No. 2019-121504

However, when the load device is turned on / off only by a wireless switch such as the installation free switch device of Patent Document 1, for example, when the communication between the transmitter and the switch is interrupted due to the battery of the transmitter running out or the like. There is a problem that the load device cannot be turned on / off. Further, when the physical switch and the installation free switch device of Patent Document 1 are combined, there is a problem that if the load device is turned off by the physical switch, it cannot be turned on and off by the wireless switch. ..

Therefore, in view of the above problems, the present invention provides a switch device and a switch system that can wirelessly turn on / off the load device regardless of whether the switch is on / off and improve convenience. The purpose.

The present invention provides the following solutions.

(1) A three-way switch having one movable contact and two fixed contacts and a load device are connected to the power supply line, and the load device is provided in a circuit that can be switched on and off by the three-way switch. It ’s a switch device,
A wireless unit connected to the power supply line and receiving a wireless signal for switching on / off of the load device, and
It has a first contact connected to the power supply line and a second contact and a third contact connected to the two fixed contacts of the three-way switch, respectively, and is connected to the wireless unit to the wireless signal. A relay unit for switching the connection between the first contact and the second contact or the third contact is provided accordingly.
A switch device capable of turning on / off the load device by either the relay unit or the three-way switch.

According to the above configuration, in the switch device, a three-way switch having one movable contact and two fixed contacts and a load device are connected to the power supply line, and the on / off of the load device is switched by the three-way switch. It is provided in a possible circuit and includes a radio unit and a relay unit.
The radio unit is connected to the power supply line and receives a radio signal for switching the load device on and off.
The relay unit has a first contact connected to the power supply line and a second contact and a third contact connected to two fixed contacts of the three-way switch, respectively, and is connected to the wireless unit to respond to a wireless signal. Then, the connection between the first contact and the second contact or the third contact is switched.
The switch device can turn on / off the load device regardless of whether the relay unit or the three-way switch is on / off.

In this way, a switch device is provided in a circuit that turns on / off a load device (for example, a lighting device) with a three-way switch, and the relay unit is connected to a power supply line according to a radio signal received by the radio unit. By switching the connection between the first contact and the second or third contact connected to the two fixed contacts of the three-way switch, either the relay unit or the three-way switch turns on the other. -The load device can be turned on and off regardless of whether it is off.
Therefore, regardless of whether the switch is turned on or off, the load device can be turned on and off wirelessly, and convenience can be improved.

(2) The switch device according to (1), further including a load-side relay unit that is connected to the wireless unit and can be energized when the load device is on.

This makes it possible for the wireless unit to recognize whether the load device is on or off depending on whether or not the load device is energized via the load side relay unit. Therefore, for example, the on / off status of the load device is displayed on the wireless unit or an external device (for example, a smartphone) capable of wireless communication with the wireless unit, or a predetermined time has passed since the load device was turned on. After the lapse of time, the relay unit can be automatically controlled and the load device can be turned off, which makes it possible to further improve convenience.

(3) The switch device according to (1) and
With a load-side switch device capable of wireless communication with the switch device and capable of turning the load device on and off in response to a switching signal for switching on / off of the load device transmitted from the switch switching device. , A switch system with.

For example, it may be difficult to draw a switch line indoors for a load device (for example, a lighting device) provided outdoors.
In such a case, according to the invention of (3), a load-side switch device is provided in the outdoor load device, a switch device capable of wireless communication with the load-side switch device is provided indoors, and the switch device is turned on from the indoor switch device. A switching signal to switch off is sent to the load side switch device to turn the load device on and off.
As a result, the load device provided outdoors can be turned on / off from the indoor side, and the convenience can be further improved.

According to the present invention, the load device can be turned on and off wirelessly regardless of whether the switch is turned on or off, and convenience can be improved.

It is a figure explaining the outline of the switch device 1 which concerns on a preferred embodiment of this invention. It is a figure explaining the outline of the switch system 1A which concerns on a preferable embodiment of this invention. It is a figure which shows the wiring example of the switch device 1 which concerns on a preferred embodiment of this invention. It is a figure explaining the operation of the relay part 10 which concerns on a preferred embodiment of this invention. FIG. 4A shows a state in which an electric signal is output from the wireless unit 5, and FIG. 4B shows a state in which an electric signal is not output from the wireless unit 5. It is a figure explaining the operation of the load side relay part 20 which concerns on a preferred embodiment of this invention. It is a figure which shows the wiring example of the switch system 1A which concerns on a preferable embodiment of this invention. FIG. 6A is a diagram showing a wiring example of the switch device 1 provided on the 3-way switch 100 side, and FIG. 6B is a wiring example of the switch device 1 provided on the load device 200 side. It is a figure which shows.

Hereinafter, preferred embodiments for carrying out the present invention will be described with reference to the drawings. It should be noted that this is only an example, and the technical scope of the present invention is not limited to this.

FIG. 1 is a diagram illustrating an outline of a switch device 1 according to a preferred embodiment of the present invention.
As shown in FIG. 1, the switch device 1 includes, for example, a three-way switch 100 having one movable contact and two fixed contacts on the power supply line 2 (grounded side power supply line 2a, non-grounded side power supply line 2b). The load device 200 and the load device 200 are provided in a connected circuit.

The switch device 1 switches on / off the load device 200 based on, for example, a wireless signal transmitted from a user terminal 300 (for example, a smartphone or the like) operated by the user. The switch device 1 can be used in combination with the three-way switch 100 that switches the load device 200 on and off. The details will be described later, but even when the load device 200 is turned off by the three-way switch 100, the switch device 1 can be used in combination. The load device 200 can be switched on and off. On the contrary, even when the load device 200 is turned off by the switch device 1, the load device 200 can be switched on and off by the three-way switch 100.

FIG. 2 is a diagram illustrating an outline of a switch system 1A according to a preferred embodiment of the present invention.
The switch system 1A includes a switch device 1 provided on the 3-way switch 100 side and a switch device 1 provided on the load device 200 side.
The switch device 1 provided on the 3-way switch 100 side and the switch device 1 provided on the load device 200 side are connected to each other so as to enable wireless communication. According to the switch system 1A, the switch device 1 provided on the three-way switch 100 side is, for example, a switch device provided on the load device 200 side based on a radio signal transmitted from the user terminal 300 (see FIG. 1). A switching signal for switching on / off of the load device 200 is transmitted to 1. The switch device 1 provided on the load device 200 side switches the load device 200 on / off based on the received switching signal for switching the on / off.

Here, for example, in the office and the parking lot provided across the road, the lighting device installed in the parking lot can be turned on / off by a physical switch in the office (for example, a three-way switch 100, etc.). ), It is difficult to connect the lighting device and the 3-way switch 100 in the office by wire because there is a road between them.
Even in such a case, according to the switch system 1A, if the switch device 1 provided on the 3-way switch 100 side and the switch device 1 provided on the load device 200 side are within a range capable of wireless communication, It is possible to turn on / off the lighting device of the parking lot installed across the road from inside the office.
As described above, according to the switch system 1A, a physical switch (for example, a three-way switch 100 or the like) is freely provided at a position as requested, and the physical switch allows, for example, even an external lighting device. It can be turned on and off.

FIG. 3 is a diagram showing a wiring example of the switch device 1 according to a preferred embodiment of the present invention.
The switch device 1 is a portion surrounded by a broken line in FIG. 3, and includes a radio unit 5, a relay unit 10, a load-side relay unit 20, and an AC (alternating current) / DC (direct current) converter 30 (hereinafter, “converter 30”). It is also called.) And.

The wireless unit 5 is connected to the grounded side power supply line 2a and the non-grounded side power supply line 2b of the power supply line 2, respectively, and as a communication unit, for example, a WiFi compatible device compliant with IEEE802.11 or IEEE802.5.1. It is equipped with a short-range communication device compliant with the above and a wireless device compliant with the IMT-2000 standard such as a 3rd generation and 4th generation mobile communication system.

The wireless unit 5 receives a wireless signal for switching on / off of the load device 200 from an external device (for example, a user terminal 300 (see FIG. 1), a remote controller capable of short-range wireless communication, etc.), and uses this wireless signal as the wireless signal. Correspondingly, an electric signal is transmitted to the relay unit 10.

The relay unit 10 is the second contact 12 connected to the first contact 11 connected to the power supply line 2 and the two fixed contacts 102 and 103 of the three-way switch 100 to which the movable contact 101 is connected to the power supply line 2, respectively. And a coil 14 that switches the connection between the third contact 13 and the first contact 11 to either the second contact 12 or the third contact 13 according to the electric signal transmitted from the radio unit 5.

The load-side relay unit 20 is connected to the load device 200 and the power supply line 2, and is connected to the first contact 21 for switching whether or not the load device 200 is energized by being connected or disconnected, and to the wireless unit 5. The second contact 22 switches whether or not to transmit an electric signal to the wireless unit 5 by being connected or disconnected, and the first contact 21 and the first contact 21 and the first contact 21 and the first contact according to the electric signal transmitted from the converter 30. A coil 23 for switching between connection and non-connection of the two contacts 22 is provided.

The converter 30 is provided between the first contact 11 of the relay unit 10 and the power supply line 2, converts electricity from the power supply line 2 into an electric signal, and converts the electric signal into the first contact 21 and the second contact 21 and the second contact of the load side relay unit 20. The connection and non-connection of the contact 22 are switched.

Next, the operation of the relay unit 10 will be described.
FIG. 4 is a diagram illustrating the operation of the relay unit 10 according to the preferred embodiment of the present invention.
FIG. 4A shows a state in which an electric signal is output from the wireless unit 5. At this time, the first contact 11 is connected to the third contact 13, and in the example shown in FIG. 3 (a state in which the first contact 11 of the three-way switch 100 and the fixed contact 102 are connected), the relay unit 10 The power supply to the load device 200 is cut off, and the load device 200 is turned off.
FIG. 4B shows a state in which an electric signal is not output from the radio unit 5. At this time, the first contact 11 is connected to the second contact 12, and in the example shown in FIG. 3 (a state in which the first contact 11 of the three-way switch 100 and the fixed contact 102 are connected), the load device 200 The load device 200 is turned on.

Next, the operation of the load side relay unit 20 will be described.
FIG. 5 is a diagram illustrating the operation of the load-side relay unit 20 according to the preferred embodiment of the present invention.
When the relay unit 10 is in the state shown in FIG. 4B, electricity flows through the coil 23 of the load-side relay unit 20 via the converter 30, and the first contact 21 and the second contact 22 are shown in FIG. From the non-connected state to the connected state shown in FIG.

When the first contact 21 is in the connected state, electricity flows through the load device 200 and the load device 200 is turned on.

Further, when the second contact 22 is in the connected state, an electric signal is transmitted to the radio unit 5 (see FIG. 3). As a result, the wireless unit 5 can determine that the load device 200 is on. In this case, the wireless unit 5 transmits, for example, an on signal indicating that the load device 200 is on to an external device (for example, a user terminal 300 (see FIG. 1), a remote controller capable of short-range wireless communication, etc.). You may. Then, by displaying in the external device that the load device 200 is on based on the on signal, the user knows whether the load device 200 is on or off even if the load device 200 is invisible. be able to.

FIG. 6 is a diagram showing a wiring example of the switch system 1A according to a preferred embodiment of the present invention.
FIG. 6A is a diagram showing a wiring example of the switch device 1 provided on the 3-way switch 100 side.
FIG. 6B is a diagram showing a wiring example of the switch device 1 provided on the load device 200 side.

As shown in FIG. 6A, in the switch device 1 provided on the 3-way switch 100 side in the switch system 1A, the load device 200 and the power supply line 2 are connected to the first contact 21 of the load side relay unit 20. It differs from the wiring example shown in FIG. 3 in that it does not.

As shown in FIG. 6B, in the switch device 1 provided on the load device 200 side in the switch system 1A, the second contact 12 is connected to the power supply line 2 in the relay unit 10, and what is connected to the third contact 13. It is different from the wiring example shown in FIG. 3 in that it is not connected.

In the switch system 1A, the radio unit 5 of the switch device 1 provided on the three-way switch 100 side receives a radio signal for switching on / off of the load device 200, and in response to this radio signal, the relay unit 10 receives the radio signal. When the electric signal is transmitted, the received radio signal is transmitted to the radio unit 5 of the switch device 1 provided on the load device 200 side.

Specifically, for example, in the example shown in FIG. 6, in the switch device 1 provided on the 3-way switch 100 side, when the radio unit 5 receives a radio signal for turning on the load device 200, the relay unit 10 An electric signal is transmitted to the relay unit 10, the first contact 11 and the second contact 12 of the relay unit 10 are connected, and the received radio signal for turning on the load device 200 is transmitted to the switch device 1 provided on the load device 200 side. It is transmitted to the radio unit 5.

Then, when the radio unit 5 receives the radio signal for turning on the load device 200, the switch device 1 provided on the load device 200 side transmits an electric signal to the relay unit 10 and is the first of the relay units 10. The contact 11 and the second contact 12 are connected, and the first contact 21 and the second contact 22 of the load side relay unit 20 are connected.
As a result, electricity flows through the load device 200 and is turned on, and an electric signal is transmitted to the radio unit 5 of the switch device 1 provided on the load device 200 side. In this case, the radio unit 5 of the switch device 1 provided on the load device 200 side sends an on signal indicating that the load device 200 is on to the radio unit 5 of the switch device 1 provided on the three-way switch 100 side. Or, it is transmitted to an external device (for example, a user terminal 300 (see FIG. 1), a remote controller capable of short-range wireless communication, or the like).

Although the embodiments of the present invention have been described above, the present invention is not limited to these embodiments described above. In addition, the effects described in the embodiments of the present invention merely list the most preferable effects arising from the present invention, and the effects according to the present invention are limited to those described in the embodiments of the present invention. is not it.

1 Switch device 1A Switch device 2 Power supply line 2a Grounded side power supply line 2b Non-grounded side power supply line 5 Radio section 10 Relay section 11 1st contact 12 2nd contact 13 3rd contact 14 Coil 20 Load side relay section 21 1st contact 22 2nd contact 23 Coil 30 Converter 100 3-way switch 101 Movable contact 102 Fixed contact 103 Fixed contact 200 Load device 300 User terminal

Claims (3)

A switch device provided in a circuit in which a three-way switch having one movable contact and two fixed contacts and a load device are connected to a power line, and the load device can be turned on and off by a three-way switch. There,
A wireless unit connected to the power supply line and receiving a wireless signal for switching on / off of the load device, and
It has a first contact connected to the power supply line and a second contact and a third contact connected to the two fixed contacts of the three-way switch, respectively, and is connected to the wireless unit to the wireless signal. A relay unit for switching the connection between the first contact and the second contact or the third contact is provided accordingly.
A switch device capable of turning on / off the load device regardless of whether the relay unit or the three-way switch is on / off. The switch device according to claim 1, further comprising a load-side relay unit that is connected to the wireless unit and can be energized when the load device is on. The switch device according to claim 1 and
With a load-side switch device capable of wireless communication with the switch device and capable of turning the load device on and off in response to a switching signal for switching on / off of the load device transmitted from the switch switching device. , A switch system with.

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