KR0136895B1 - Remote power control system - Google Patents

Abstract

In order for the receiving apparatuses capable of receiving the above identification code to operate using the identification code, and to select one of the receiving apparatuses from the above receiving apparatus using a specific channel code signal, the identification code A transmitter 10 for high-frequency modulation of the signal and the channel code signal through the antenna; and receiving and detecting the identification code signal and the channel code signal propagated from the transmitter in the above-mentioned manner, when it is determined that the call has been called. It is composed of a receiving device 20 for interrupting the supply of commercial AC power applied to the home appliances or supplying it again;

After connecting a plurality of receivers to the power plugs, and using one transmitter to select one receiver among the multiple receivers and remotely control it, the power of the home appliance connected to the selected receiver is controlled. A remote power control system with an effect that allows the user to easily control the supply.

Description

Remote power control system

1 is a detailed circuit diagram of a transmitter of a remote power control system according to an embodiment of the present invention.

2 is a detailed circuit diagram of a receiving device of a remote power control system according to an embodiment of the present invention,

3 is a state diagram of use of a socket with a built-in receiver of a remote power control system according to an embodiment of the present invention.

4 is a state diagram of use of an incandescent lamp with a built-in receiver of a remote power control system according to an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

10: Transmitter 11: Encoder IC

12: identification code input unit 20: receiving device

21: Receiver IC22: Control Unit

23: rectifier 24: power cut off

ANT: antenna

The present invention relates to a remote power control system, and more specifically, a plurality of receivers are connected to a power plug, and then one receiver is selected from among the receivers using one transmitter. The present invention relates to a remote power control system that enables a user to easily control a power supply of a home appliance connected to a selected receiving device by controlling remotely.

Recently, a remote control function is basically provided to large appliances such as an audio system, a video cassette recorder, and a television.

However, in small home appliances such as incandescent lamps, fluorescent lamps, stands, fans, and the like, the remote control function does not provide a relatively large effect on the cost of the product compared to the above-mentioned large home appliances.

Therefore, in the case of using a small household electrical appliance at home, the user has to control the power supply of the small household appliances directly, this is very inconvenient.

Accordingly, an object of the present invention is to improve the conventional inconvenience described above, and after connecting a plurality of receiving apparatuses to a power plug, respectively, and using one transmitting apparatus, one receiving apparatus from among the plurality of receiving apparatuses is used. It is to provide a remote power control system that allows the user to easily control the power supply of the home appliances connected to the selected receiver by selecting and controlling it remotely.

As a means for achieving the above object, the configuration of the present invention,

In order for the receiving apparatuses capable of receiving the above identification code to operate using the identification code, and to select one of the receiving apparatuses from the above receiving apparatus using a specific channel code signal, the identification code A transmitter for high-frequency modulation of a signal and a channel code signal through an antenna for aerial propagation;

Receives and detects the airwave propagation identification code signal and channel code signal from the transmitting device, and when it is determined that the call is called, cuts off the supply of commercial AC power applied to the home appliance or supplies the same to the receiving device. Is done.

By the above configuration, the most preferred embodiment that can be easily carried out by those skilled in the art with reference to the present invention will be described in detail with reference to the accompanying drawings.

1 is a detailed circuit diagram of a transmitter of a remote power control system according to an embodiment of the present invention.

As shown in FIG. 1, a configuration of a transmitter of a remote power control system according to an embodiment of the present invention includes a battery BT, channel switches CH1 to CH4 connected to the battery BT, and a channel switch. Diodes D11 to D14 having anode terminals connected to the channels CH1 to CH4, resistors R13 to R16 having one terminal connected to the anode terminals of the diodes D11 to D14, and resistors R13 to An encoder whose inputs are connected to the connection points of the resistors R17 to R1A connected between the other terminal of R16 and the ground, the resistors R13 to R16 and R17 to R1A, and to the diodes D11 to D14. IC 11, identification code input unit 12 connected to encoder IC 11, light emitting diode D15 connected to battery BT, and resistor R1C connected to light emitting diode D15. ) And the capacitors C11 and C14, the loop antenna ANT connected in parallel to the capacitors C11 and C12, and the output terminal of the encoder IC 11 Connected in parallel between connected resistor R1B and capacitor C12, transistor Q11 having a base terminal and a collector terminal connected to capacitor C12, and an emitter terminal of transistor Q11 and ground. Consisting of a resistor R1D and a capacitor C13.

2 is a detailed circuit diagram of a receiving device of a remote power control system according to an embodiment of the present invention.

As shown in FIG. 2, a configuration of a receiver of a remote power control system according to an embodiment of the present invention includes an antenna ANT, a receiver IC 21 having an input terminal connected to the antenna ANT, and a receiver IC. The control unit 22 connected to the control unit 22 and an input terminal are connected to the control unit 22, and the commercial AC power V _IN is output as the output power V _OUT according to a signal input from the control unit 22. An input terminal is connected to the power cut-off unit 24 and a commercial AC power supply (V _IN ) to cut off the switch, and includes a rectifying unit 23 for supplying DC power to the control unit 22 and the power cut-off unit 24.

With the above configuration, the operation of the remote power control system according to the embodiment of the present invention is as follows.

When the user installs the battery BT, the transmitter 10 of the remote power control system according to the exemplary embodiment of the present invention is in an operable standby state. At this time, by emitting light by the light emitting diodes D15 and the battery BT, the user can confirm that power is normally supplied from the battery BT.

The transmitting apparatus 10 has an identification code input unit 12, and uses a communication method such that only the receiving apparatus 20 capable of receiving the identification code (identified code set by the input unit 12) is operated. In this case, several receiving apparatuses 20 capable of receiving an identification code transmitted from one transmitting apparatus 10 may exist.

The user selects and presses one channel switch among the plurality of channel switches CH1 to CH4 that are matched one-to-one with the receiver in order to select one receiver among the plurality of receivers 20.

When one of the plurality of channel switches CH1 to CH4 is selected and the user turns on, a specific channel code signal corresponding to the selected channel switch is output from the encoder IC 11 together with the identification code.

The identification code and the channel code signal output from the encoder IC 11 are amplified while passing through the transistor Q11, and then to the capacitors C11 and C12 forming a resonant circuit together with the loop antenna ANT having inductance. The output is high frequency modulated.

The high frequency modulated signal is air-propagated through the loop antenna ANT and transmitted to the receiver 20 through the air.

3 is a state diagram of a socket in which the receiver 20 of the remote power control system according to the embodiment of the present invention is incorporated, and FIG. 4 is a receiver 20 of the remote power control system according to the embodiment of the present invention. Is a state diagram of the use of a built-in incandescent light bulb.

Referring to the receiving device 20 shown in FIG. 3, the user connects the power plug to the commercial AC power supply V _IN , and then connects the socket to the socket of the receiving device 20 connected to the power plug. Can connect and use home appliances.

In addition, referring to the receiving device 20 shown in FIG. 4, the user connects the light bulb plug of the receiving device 20 to the commercial AC power supply V _IN , and then the small size of the receiving device 20. Incandescent bulbs can be connected to the ket and used.

Thus, as shown in Figures 3 and 4, the receiving device 20 of the remote power control system according to an embodiment of the present invention can be manufactured in various forms according to the type of home appliances, commercial AC power source ( V _IN ) can be connected wherever it is being supplied.

When connected to the receiving apparatus 20 to the commercial AC power source (V _IN), the commercial AC power source (V _IN) the holding portion 23 is input to the rectifying part 23, the control section 22 after the full-wave rectified into DC power by the By being applied to the power cut-off unit 24, the receiving device 20 according to the embodiment of the present invention becomes an operable standby state.

In the standby state as described above, when a high-frequency signal propagated from the transmitter 10 to the antenna ANT of the receiver 20 is received, the receiver IC 21 of the receiver 20 receives the antenna ANT. After detecting the identification code and the channel code signal contained in the high frequency signal received through the output to the control unit 22.

When the identification code and the channel code signal are input from the receiver IC 22, the control unit 22 compares its own identification code and channel code signal stored in the internal memory with the input identification code and channel code signal to call itself. Check

When the identification code and channel code signal stored in the internal memory and the input identification code and channel code signal are the same, the controller 22 outputs a power control signal to the power cut-off unit 24.

When the power control signal is input from the control unit 22, the power cut-off unit 24 amplifies it and outputs it to the gate terminal of the triac T21 to operate the triac T21 to be turned on / off in a toggle manner. .

The triac T21 supplies or cuts off the commercial AC power supply V _IN as the output power V _OUT , and as a result, the commercial AC power supplied to the home appliance to which the user is connected through the receiving device 20. Allows remote control of the power supply (V _IN ).

In the embodiment of the present invention as described above, by connecting a plurality of receivers to the power plug, respectively, by using one transmitter to select one receiver from the plurality of receivers to remotely control it. It is possible to provide a remote power control system having an effect that a user can easily control the power supply of a home appliance connected to a selected receiver. This effect of the present invention can be used in the field of remote control devices of home appliances.

Claims (1)

Channel switches CH1 to CH4 connected to the battery BT, diodes D11 to D14 having anode terminals connected to the channel switches CH1 to CH4, respectively, and resistors R13 to R16 and R17 to R1A. Encoder IC 11 having an input terminal connected to a connection point of the diode and diodes D11 to D14, an identification code input unit 12 connected to the encoder IC 11, and light emission connected to a battery BT. A diode D15, resistors RC and capacitors C11 and C14 connected to the light emitting diode D15, a loop antenna ANT connected in parallel to the capacitors C11 and C12, and the encoder IC. And resistors R1B and R1D, capacitors C12 and C3 and transistors Q11 constituting an amplifier circuit for amplifying the output signal of (11). The encoder IC 11 comprises the channel switch CH1. In response to the selection of ˜CH4), the channel code signal and the identification code set through the identification code input unit 12 are output. After the identification code and the channel code signal is amplified by the amplification circuit, the transmitter and the air propagated by the high frequency modulation by the loop antenna (ANT) and capacitors (C11, C12), the antenna (ANT), and the antenna A receiver IC 21 having an input terminal connected to the ANT, a controller 22 connected to the receiver IC 21, an input terminal connected to the controller 22, and an input terminal connected to the controller 22. A power interrupter 24 connected to the commercial AC power supply V _IN to block a commercial AC power supply V _IN from being output as the output power V _OUT according to a signal input from the controller 22. Is connected and consists of a rectifier 23 for supplying DC power to the control unit 22 and the power cut-off unit 24, the receiver IC 21 is carried on the high-frequency signal received through the antenna ANT Detects an identification code and a channel code signal; 2) compares its own identification code and channel code signal stored in an internal memory with the detected identification code and channel code signal, and if the two are the same, the power cut-off unit 24 exchanges commercially with the corresponding home appliance. A remote power control system comprising a plurality of receivers each mounted in a plurality of home appliances for controlling to cut off or supply power.