KR100880914B1 - Remote Controlled Multi-Outlet Circuit - Google Patents

Abstract

Disclosed are a multi-outlet circuit capable of selectively controlling power supplied to a plurality of outlets using RF signals. The RF signal includes main ID information having information on an RF transmitter, individual ID information having information on an outlet to be controlled among a plurality of outlets, and a control bit for generating an on / off signal for a selected outlet. . Therefore, the user can wirelessly select and control at least one outlet from which a plurality of outlets are to be powered.

Description

Wireless Multi-Outlet Circuits {Remote Controlled Multi-Outlet Circuit}

1 is a block diagram illustrating a wireless multi-outlet circuit according to a first embodiment of the present invention.

2 is a block diagram illustrating a wireless multi-outlet circuit according to a second embodiment of the present invention.

3 is a block diagram illustrating a wireless multi-outlet circuit according to a third exemplary embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100, 300: RF receiver 200: RF transceiver

110, 210, 310: arithmetic processing unit 120, 220, 320: control unit

130, 230, 330: power supply 140, 240, 340: over-voltage cut-out

150, 250, 350: switching unit 380: auxiliary switching unit

The present invention relates to a wireless multi-outlet circuit, and more particularly, to a wireless multi-outlet circuit for receiving an infrared control signal and controlling the multi-outlet.

Electrical appliances that use office and household power are supplied through outlets. Typically, 220V AC power is supplied for home and office use. In addition, homes and offices are often used with the power plug inserted into the outlet. That is, the power plug is always inserted into the outlet regardless of the use of the corresponding electrical appliance. This is due to the inconvenience of having to insert or disconnect the power plug every time a user uses the electrical appliance.

In recent years, many multi-tap products have been supplied in order to use a power source such as a computer. In the case of a multi-tap, a plurality of outlets are provided in one set, and a control switch for turning on or off power of a plurality of outlets in a batch is provided. Thus, when power must be supplied to the electrical appliance, the control switch is turned on to supply power to the outlets throughout the power strip. In addition, when the use of power is terminated, the control switch is turned off so that the supply of power to the outlets of the entire power strip is cut off.

In addition, a technology for controlling a power source of a power strip using a wireless signal is disclosed in Korean Patent No. 507338. The patent is characterized by detecting the amount of light in the room, and generates a wireless signal according to the detected light amount to control the power of the power strip provided in the room. However, the patent has been devised to avoid the hassle that the user has to find when the multi-tap is located in a dark environment. In addition, the amount of light is detected using the CDS sensor, it is characterized in that for detecting the RF signal using a predetermined identification code. Therefore, it has an operating characteristic in which power is automatically applied to the power strip under a certain brightness.

However, when the user needs to apply power only to some of the plurality of plugs inserted into the power strip, the method and apparatus for wirelessly controlling them are silent.

An object of the present invention for solving the above problems is to provide a multi-tap for selectively controlling the power using the RF signal.

The present invention for achieving the above object, RF receiving unit for receiving and demodulating the RF signal; An operation processor for receiving a modulated data signal from the RF receiver and generating a control command; A controller for outputting an on / off signal according to a control command received from the operation processor; A power supply unit for supplying DC power to the RF receiver, the operation processor, and the controller; An overvoltage blocking unit for detecting an overvoltage or an overcurrent caused by an electrical appliance connected to an outlet to cut off power transmitted to the power supply unit and the outlet; And a switching unit for controlling power transmitted to the outlet according to an on / off signal of the controller, the relay having a relay connected to each outlet, wherein the data signal is for identifying an RF transmitter generating the RF signal. And control bits having main ID information having information about an identification code, individual ID information having identification information for each outlet, and a control command for controlling said outlet selected by said individual ID information. It provides a wireless multi-outlet circuit.

In addition, the above object of the present invention, an RF transceiver for receiving and demodulating the RF signal, modulating and transmitting a flag signal for confirming the reception of data; An operation processor for generating a control command by receiving a modulated data signal from the RF transceiver and generating the flag signal for confirming correct reception of data; A controller for outputting an on / off signal according to a control command received from the operation processor; A power supply unit for supplying DC power to the RF receiver, the operation processor, and the controller; An overvoltage blocking unit for detecting an overvoltage or an overcurrent caused by an electrical appliance connected to an outlet to cut off power transmitted to the power supply unit and the outlet; And a switching unit for controlling power transmitted to the outlet according to an on / off signal of the controller, the relay having a relay connected to each outlet, wherein the data signal is for identifying an RF transmitter generating the RF signal. Main ID information having information regarding an identification code, individual ID information having identification information for each outlet, control bits having a control command for controlling the outlet selected by the individual ID information, and the main ID information; It can also be achieved through the provision of a wireless multi-outlet circuit, characterized in that it comprises a parity bit that can determine whether individual ID information or control bits are correctly received.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First Example

1 is a block diagram illustrating a wireless multi-outlet circuit according to a first embodiment of the present invention.

Referring to FIG. 1, the wireless multi-concentrator circuit according to the present embodiment includes an RF receiver 100, an operation processor 110, a controller 120, a power supply 130, an overvoltage cutoff unit 140, and a switching unit 150. )

The RF receiver 100 receives an RF signal transmitted from the outside. The RF signal is a remote control signal of an electric product used in a home or office. That is, the RF signal is transmitted through an RF transmitter that transmits an FM signal, which is a frequency modulated signal. The RF transmitter is commonly called a remote control among users.

In the RF signal, main ID information, individual ID information, and control bits are frequency modulated.

The primary ID information has information about an identification code for identifying an RF transmitter. In addition, the individual ID information has identification information for each of the outlets 161, 163, and 165 included in the power strip, and the control bit controls to control the outlets 161, 163, and 165 selected by the individual ID information. Has a command.

 Accordingly, the RF receiver 100 receives an RF signal, demodulates it, and extracts main ID information, individual ID information, and control bits included in the RF signal. The extracted main ID information, individual ID information, and control bits are input to the operation processor 110.

In addition, the RF signal may further include auxiliary ID information. The auxiliary ID information is used to designate a specific tap among a plurality of taps. That is, when a plurality of wireless multi-outlet circuit is provided, it is used as information for selecting at least one wireless multi-outlet circuit among them. In addition, the auxiliary ID information may be used as a signal for selecting a specific electronic product among electronic products having the reception band of the RF signal in addition to the wireless multi-outlet.

The operation processor 110 generates a control signal capable of controlling the controller 120 according to the plurality of received information and control bits.

First, it is determined whether the RF transmitter which has transmitted the RF signal transmits the processable information based on the main ID information. This may include a function of determining whether an identification signal of an RF transmitter or the like is previously recorded in the operation processor 110 and whether the recorded information and the main ID information match. If the identification number of the RF transmitter included in the main ID information is not information that can be identified by the operation processing unit 110, the operation processing unit 110 does not process the remaining information and control bits. In addition, when the identification number of the RF transmitter included in the main ID information is identifiable by the arithmetic processing unit 110 and matches the already recorded information, the arithmetic processing unit 110 processes the individual ID information and the control bits to control the controller. Generate a control command to control 120.

The individual ID information has identification information for identifying a plurality of outlets 161, 163, and 165 included in the power strip. That is, the plurality of outlets 161, 163, and 165 are allocated identification information by the operation processor 110, and the individual ID information may identify the outlets 161, 163, and 165 individually. Has Therefore, the outlets 161, 163, and 165 that the arithmetic processor 110 can control are determined based on the individual ID information. For example, the operation processor 110 may select and control any one of the plurality of outlets 161, 163, and 165 through the control unit 120, and may determine a specific one of the plurality of outlets 161, 163, and 165. You can also select and control many.

The control bit constitutes a control command delivered to the outlets 161, 163, 165 selected by the individual ID information. Thus, the control bit has on / off information for the corresponding outlet (161, 163, 165).

The control signal formed by the above-described operation processor 110 includes information on the selected outlets 161, 163, and 165 and instructions transmitted to the outlets 161, 163, and 165.

The control signal output from the operation processor 110 is input to the controller 120. The controller 120 generates an on / off signal for controlling the relays 151, 153, and 155 connected to the corresponding outlets 161, 163, and 165 according to the control signal. That is, the controller 120 activates a terminal connected to a specific relay 151, 153, 155 according to the information on the selected outlet 161, 163, 165 included in the control signal. The controller 120 transmits an on / off signal to specific relays 151, 153, and 155 through the activated terminal.

In addition, the power supply unit 130 supplies power to the RF receiver 100, the operation processing unit 110 and the control unit 120. The power supply unit 130 converts AC power input from the overvoltage blocking unit 140 into DC power, and supplies the converted DC power to the RF receiving unit 100, the operation processing unit 110, and the control unit 120. In addition, a voltage drop operation may be performed in the process of converting AC power to DC power.

The switching unit 150 has a plurality of relays 151, 153, and 155. Each of the relays 151, 153, and 155 is connected between the overvoltage cutoff unit 140 and the outlets 161, 163, and 165. In addition, the on / off signal of the controller 120 is transmitted to the control terminal of each relay (151, 153, 155). Accordingly, the relays 151, 153, and 155 of the switching unit 150 are turned on / off by the on / off signal of the controller 120.

The overvoltage cutoff unit 140 is connected to the power plug 170. When the power supply voltage transmitted through the power plug 170 exceeds a predetermined threshold, the overvoltage blocking unit 140 cuts off the power supply delivered to the relays 151, 153, and 155. In addition, even when a current exceeding the rated current flows due to various factors in the electrical appliances electrically connected to the outlets 161, 163, and 165, the overvoltage cutoff unit 140 transmits to the relays 151, 153, and 155. Cut off the power supply.

In addition, the overvoltage cutoff unit 140 supplies AC power to the power supply unit 130. As described above, when a power supply voltage transmitted through the power plug 170 exceeds a predetermined threshold or a current exceeding a rated current flows, AC power delivered to the power supply unit 130 may also be cut off.

Therefore, the wireless multi-concentration circuit according to the present embodiment can individually control the power supplied to the outlet by receiving the RF signal. In addition, even when an abnormality occurs in the electrical appliance connected to the outlet by using the overvoltage cutout, it is possible to prevent the electrical damage of the wireless multi-outlet circuit by cutting off the electrical supply of the outlet.

2nd Example

2 is a block diagram illustrating a wireless multi-outlet circuit according to a second embodiment of the present invention.

Referring to FIG. 2, the wireless multi-concentration circuit according to the present embodiment includes an RF transceiver 200, an operation processor 210, a controller 220, a power supply 230, an overvoltage interrupter 240, and a switch 250. )

First, an RF signal is transmitted through an RF transmission / reception module commonly called a remote controller. In the first embodiment, the remote controller is represented as an RF transmitter, but in the present embodiment, the remote controller has a function of not only transmitting an RF signal but also receiving an RF signal.

The RF transceiver 200 demodulates an RF signal received through an antenna. The demodulated signal is transmitted to the operation processor 210. The RF signal has main ID information, individual ID information, and control bits as described in the first embodiment, and further includes a parity bit for confirming whether or not the data is correctly received.

In addition, the RF signal may further include auxiliary ID information as described in the first embodiment. The auxiliary ID information is used to designate a specific tap among a plurality of taps. That is, when a plurality of wireless multi-outlet circuit is provided, it is used as information for selecting at least one wireless multi-outlet circuit among them. In addition, the auxiliary ID information may be used as a signal for selecting a specific electronic product among electronic products having the reception band of the RF signal in addition to the wireless multi-outlet.

The main ID information, the individual ID information, the control bits, and the parity bits demodulated by the RF signal are transmitted to the operation processor 210. The operation processing unit 210 operates and processes the received main ID information, the individual ID information, and the control bits as described in the first embodiment, so as to avoid easy understanding and redundant description. The description will be omitted. However, by analyzing the parity bits transmitted from the RF transceiver 200, the operation processor 210 determines whether data is correctly received.

If it is determined that the received data is not accurate as a result of parity bit analysis, the operation processor 210 generates a flag signal indicating the inaccuracy of the received data and transmits the flag signal to the RF transceiver 200. To pass. The RF transceiver 200 receiving the flag signal modulates it and transmits it to the RF transceiver module. In addition, the RF transmission module has a separate receiver for receiving a flag signal.

If it is determined that the received data is correctly delivered as a result of parity bit analysis, the operation processor 210 generates a flag signal indicating a normal acknowledgment, and transmits the flag signal to the RF transceiver 200. The RF transceiver 200 receiving the flag signal modulates it and transmits it to the RF transceiver module.

In addition, when normal data is received, the operation processor 210 supplies a control signal to the controller 220, and the controller 220 controls the relays 251, 253, and 255 of the switching unit 250 according to the control signal. Controls the on / off operation of. Power is selectively supplied to the outlets 261, 263, and 265 by the on / off operation of the relays 251, 253, and 255 of the switching unit 250.

Therefore, a user having an RF transceiver module, which is a remote controller capable of performing a remote control, may check whether data is received by the wireless multi-outlet circuit of the present embodiment. In addition, the RF signal may be used to selectively control a plurality of outlets through a multi-outlet circuit.

The third Example

3 is a block diagram illustrating a wireless multi-outlet circuit according to a third exemplary embodiment of the present invention.

Referring to FIG. 3, the wireless multi-concentrator circuit according to the present embodiment includes an RF receiver 300, arithmetic processor 310, a controller 320, a power supply 330, an overvoltage cutoff unit 340, and a switching unit 350. ) And the auxiliary switching unit 380.

In the present embodiment, the auxiliary switching unit 380 is added to the wireless multi-outlet circuit disclosed in the first embodiment. Therefore, the same description as that described in the first embodiment will be omitted, and the wireless multi-concentration circuit of the present embodiment will be described with reference to the newly added auxiliary switching unit 380.

The auxiliary switching unit 380 is connected to the operation processing unit 310. In addition, the auxiliary switching unit 380 has at least one mode selection button 381. The mode selection button 381 is preferably configured in a toggle type. That is, the automatic mode or the normal mode is selected by pressing the button.

The automatic mode is an operation of selectively supplying power to the plurality of outlets 361, 363, 365 by a remote control outside the wireless multi-concentration circuit as described in the first and second embodiments. Therefore, in the automatic mode, the RF receiver 300 receives the RF signal and demodulates it. The demodulated data includes main ID information, individual ID information, and control bits as disclosed in the first embodiment. The demodulated data is input to the operation processor 310, and the operation processor 310 generates a control command for controlling the relays 351, 353, and 355 of the switching unit 350. According to the generated control command, the control unit 320 turns on / off the relays 351, 353, and 355 of the switching unit 350.

In addition, in the normal mode, the automatic mode function is not performed, and the power supplied to the plurality of outlets 361, 363, 365 may be simultaneously turned on or off by a switch added to the auxiliary switching unit 380. Action. Therefore, in order to perform the normal mode of operation, the auxiliary switching unit 380 preferably further includes an on switch 383 and an off switch 385.

The auxiliary switching unit 380 described above is connected to the operation processor 310. If the operation mode in the present embodiment is set to the automatic mode by the auxiliary switching unit 380, the calculation processing unit 310 processes the data signal received by the RF receiving unit 300, and controls the control unit 320. To control.

In addition, when the operation mode is set to the normal mode by the auxiliary switching unit 380, the operation processor 310 does not process the data signal input from the RF receiver 300, and is provided in the auxiliary switching unit 380. The control unit 320 is controlled according to the states of the on switch 383 and the off switch 385.

In addition, the operation of the auxiliary switching unit may be implemented in other forms. That is, when any one of the on switch, the off switch, and the mode selection button is selected, the previous operating state enters a new operating state. For example, if the on switch is selected even if the wireless multi-outlet circuit performs the automatic mode operation by the mode selection button, the wireless multi-outlet circuit enters the normal mode and supplies power to all the outlets of the wireless multi-outlet circuit connected to the auxiliary switching unit. do. In addition, when the off switch is selected during the automatic mode operation, power to all the outlets of the wireless multi-outlet circuit is cut off.

The above-described operation may be applied in the same principle even when entering the automatic mode from the normal mode. That is, even if the on switch is selected and power is supplied to all the outlets of the wireless multi-outlet circuit, when the mode selection button is selected, the wireless multi-outlet circuit enters the automatic mode and processes the RF signal. In addition, even if the power switch is turned off to all the outlets by selecting the off switch, when the mode selection button is selected, the wireless multi-outlet circuit enters the automatic mode to process the RF signal.

Preferably, the auxiliary switching unit 380 is provided with a light receiving diode for receiving an infrared signal and an infrared signal processing chip to receive an infrared signal applied from the outside.

Therefore, according to the present embodiment, the wireless multi-outlet circuit can be selectively used by switching to the automatic mode or the normal mode through a separate auxiliary switch. In addition, the auxiliary switch can be located close to the user to easily control the wireless multi-outlet circuit.

In addition, although the auxiliary switching unit in this embodiment has been described as being added to the wireless multi-concentration circuit shown in the first embodiment, the auxiliary switching unit in this embodiment may be added to the wireless multi-concentration circuit in the second embodiment. That is, the automatic mode may be provided to confirm normal reception of the RF signal, which is wireless data.

According to the present invention as described above, it is possible to remotely select at least one outlet to supply power from a plurality of outlets using the RF signal. In addition, it is possible to confirm accurate reception of an RF signal, which is a wireless signal. In the present invention, a wireless multi-concentration circuit is further provided to further perform an automatic mode and a normal mode operation by further including an auxiliary switching unit. Therefore, the user can easily supply power to the outlet easily.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

Claims (9)

delete delete delete delete delete delete An RF transceiver for receiving and demodulating an RF signal and modulating and transmitting a flag signal for confirming reception of data; An operation processor for generating a control command by receiving a modulated data signal from the RF transceiver and generating the flag signal for confirming correct reception of data; A controller for outputting an on / off signal according to a control command received from the operation processor; A power supply unit for supplying DC power to the RF transceiver, the operation processor, and the controller; An overvoltage blocking unit for detecting an overvoltage or an overcurrent by an electrical appliance connected to each outlet to cut off power delivered to the power supply unit and the outlet; And It has a relay connected to each outlet, and includes a switching unit for controlling the power delivered to the outlet in accordance with the on / off signal of the control unit, The data signal is main outlet information having information on an identification code for identifying an RF transmitter generating the RF signal, individual ID information having identification information for each outlet, and the outlet selected by the individual ID information. And a parity bit for checking whether the main ID information, the individual ID information, or the control bit has been correctly received. The method of claim 7, wherein the operation processor checks whether the main ID information, the individual ID information, or the control bit is correctly received through parity bit analysis, and outputs the flag signal to the RF transceiver as the flag signal. Multi outlet circuit. The multi-outlet circuit according to claim 7, wherein at least one outlet is selected by the individual ID information, and a control signal is supplied to a relay corresponding to the outlet selected according to the control command.

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