WO2011093544A1 - 홀센서를 이용한 그린 콘센트 - Google Patents
홀센서를 이용한 그린 콘센트 Download PDFInfo
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- WO2011093544A1 WO2011093544A1 PCT/KR2010/000592 KR2010000592W WO2011093544A1 WO 2011093544 A1 WO2011093544 A1 WO 2011093544A1 KR 2010000592 W KR2010000592 W KR 2010000592W WO 2011093544 A1 WO2011093544 A1 WO 2011093544A1
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- green outlet
- outlet
- green
- current
- output
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
- H01R24/78—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall with additional earth or shield contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Definitions
- the present invention relates to a recessed outlet, and more particularly to a green outlet using a hall sensor.
- an outlet refers to a mechanism that allows a plug to be inserted to connect a cord used indoors to the wiring in indoor wiring of electricity.
- These outlets fall into two broad categories: recessed and exposed, where the outlet is attached to, for example, an interior wall.
- the recessed outlet is provided with a protective cover in an exterior configuration for accommodating a terminal plate to which an external power line is connected and a plug guide plate attached to the front surface of the terminal plate.
- the standby power means power consumed by an electric product even when the power is turned off. In other words, it is the power consumed even when the electric appliance is not operated but simply plugged into the outlet.
- the problem to be solved by the present invention is to provide a recessed outlet that can reduce or prevent standby power consumption.
- Another problem to be solved by the present invention is to provide an embedded outlet that can reduce or prevent the breakdown of electrical appliances or fire due to overcurrent or lightning.
- Another problem to be solved by the present invention is to provide a buried outlet that can perform one or more of the standby power blocking function and the overcurrent blocking function more reliably.
- Another problem to be solved by the present invention is to provide an embedded outlet that can be controlled using a remote control or a mobile phone or computer in the building or using a mobile phone or the Internet from the outside of the building.
- Another problem to be solved by the present invention is to provide a recessed outlet that can be set arbitrarily by the user.
- One aspect of a green outlet according to the present invention for solving one or more of the above problems is a green outlet capable of supplying electrical energy to at least one external load device, and receives an input current corresponding to its size.
- a Hall sensor for outputting an output voltage;
- An amplifier for outputting an amplified voltage obtained by amplifying the output voltage;
- the amplification voltage is less than a reference voltage, determines a current value corresponding to the magnitude of the input current from the digital value of the amplification signal, and compares the determined current value with a magnitude of the set lower limit value, so that the determined current value is the
- a CPU for outputting a cutoff signal to cut off the electric energy supply when the value is smaller than a set lower limit.
- the set lower limit value may be a value for shutting off standby power.
- the determined current value when the determined current value is less than the set lower limit value may further include at least one of an LED unit and a buzzer for indicating that the output current of the green outlet is in the standby power state.
- the output current of the green outlet may indicate a standby power state, and if the user does not respond for a predetermined time thereafter, the blocking signal may be output.
- the CPU may determine a current value corresponding to the magnitude of the input current from the digital value of the output voltage if the amplification voltage is the same as the reference voltage.
- the CPU may compare the current value determined from the digital value of the output voltage with the magnitude of the set upper limit value, and output the cutoff signal if the determined current value is greater than the set upper limit value.
- the set upper limit value may be a value for overcurrent blocking.
- the apparatus may further include at least one of an LED unit and a buzzer for indicating that the output current of the green outlet is in an overcurrent state.
- the output current of the green outlet may indicate an overcurrent state, and if the user does not respond for a predetermined time, the blocking signal may be output.
- the set upper limit value includes a first set upper limit value and a second set upper limit value, and the predetermined time may be different for each set upper limit value.
- the current value corresponding to the magnitude of the input current can be determined from the digital value of the output voltage, the current value corresponding to the output voltage
- the current value can be determined from the recorded first lookup table or the second lookup table in which the current value corresponding to the amplified voltage is recorded.
- the green outlet may be an embedded outlet.
- the green outlet may include a plurality of receptacles into which plugs may be inserted, and may be configured to block the supply of electrical energy to an external load device connected to the insert of some of the inserts.
- the green outlet may further comprise a reset switch for resuming the supply of electrical energy interrupted by the blocking signal.
- the mode may be switched between an automatic mode in which the CPU outputs the cutoff signal itself and a manual mode in which the cutoff signal is output only by a user's manipulation.
- the green outlet further comprises an infrared sensor, wherein the user is reset by the infrared communication through the infrared sensor to resume the interruption signal and the electrical energy supply interrupted by the interruption signal.
- the CPU may be instructed to output one or more of the signals.
- the green outlet further comprises one or more of a Zigbee module for enabling wireless communication with the CPU and a serial communication unit for enabling wired communication with the CPU, the user is the Zigbee module and the Through at least one of the serial communication unit, the CPU may be instructed to output at least one of the blocking signal and a reset signal for resuming the supply of electrical energy interrupted by the blocking signal.
- the green outlet may further include an external input / output device including one or more of a separate LED unit, a separate mode selection switch, a separate reset switch, and a separate infrared sensor.
- the green outlet may be connected to an external input / output device through a USB cable, and the operation of the green outlet may be controlled by executing software on the connected external input / output device.
- Another aspect of the green outlet according to the present invention for solving one or more of the above problems is a green outlet capable of supplying electrical energy to at least one external load device, receiving an input current and output voltage corresponding to the magnitude Hall sensor output; An amplifier for outputting an amplified voltage obtained by amplifying the output voltage; And when the amplification voltage is less than a reference voltage, determines a current value corresponding to the magnitude of the input current from the digital value of the amplification signal, and compares the determined current value with a magnitude of the set lower limit value, so that the determined current value is the
- the CPU may include a CPU for outputting a cutoff signal to cut off the supply of electric energy when the lower limit value is smaller than the set lower limit value.
- the turn-on time for turning on the green outlet and the turn-off time for turning off the green outlet may be set by the user.
- the green outlet may further include a time setting switch unit for the user to input the on time and the off time.
- the green outlet may further include a display unit displaying one or more of a current time, a turn-on time, and a turn-off time. The user may input the on time and the off time while looking at the display unit.
- the green outlet further includes an external input / output device including at least one of a separate LED unit, a separate mode selection switch, a separate reset switch, a separate infrared sensor, a separate display unit, and a separate time setting switch unit. can do.
- an embedded outlet having at least one of the following effects can be provided.
- the recessed outlet can be reduced or prevented.
- over current or lightning strikes can reduce or prevent the failure of electrical appliances or fire.
- the recessed outlet can more reliably perform one or more of the standby power blocking function and the overcurrent blocking function.
- it is possible to control the embedded outlet by using a remote control, a mobile phone or a computer inside the building, or using a mobile phone or the Internet from outside the building.
- the user can arbitrarily set the operation time of the recessed outlet.
- FIG. 1 is a front view and a side view of a green outlet having one insertion hole in the first or second embodiment of the present invention.
- Figure 2 shows a front view and a side view of a green outlet with two inserts in the first or second embodiment of the invention.
- FIG. 3 is a block diagram showing a green outlet according to a first embodiment of the present invention.
- FIG. 4 is a block diagram illustrating a green outlet according to a second exemplary embodiment of the present invention.
- FIG. 5 is a diagram illustrating a case where the green outlet of FIG. 2 further includes an external input / output device.
- Fig. 6 shows a front view and a side view of a green outlet having one insertion hole in the third or fourth embodiment of the present invention.
- FIG. 7 shows a front view and a side view of a green outlet having two insertion holes in the third or fourth embodiment of the present invention.
- FIG. 8 exemplarily illustrates a display unit provided in FIG. 6 or 7.
- FIG. 9 is a block diagram showing a green outlet according to a third embodiment of the present invention.
- FIG. 10 is a block diagram showing a green outlet according to a fourth embodiment of the present invention.
- FIG. 11 is a block diagram illustrating an exemplary configuration of a current sensing unit and a control unit that may be provided by the green outlet according to the present invention.
- FIG. 12 is a flowchart for describing an operation occurring in the block diagram illustrated in FIG. 11.
- first, second, etc. are used to describe various elements, components and / or sections, these elements, components and / or sections are of course not limited by these terms. These terms are only used to distinguish one element, component or section from another element, component or section. Therefore, the first device, the first component, or the first section mentioned below may be a second device, a second component, or a second section within the technical spirit of the present invention.
- the embedded outlet to be embedded in the wall of the building to power the external load device
- the technical idea of the present invention is exposed to the outside to supply power to the external load device
- the external load device has been used as an expression encompassing all electrical or electronic products that operate using electrical energy.
- FIG. 1 is a front view and a side view of a one-hole green outlet
- FIG. 2 is a front view and a side view of a two-hole outlet.
- the green outlet according to the present invention may have one or more insertion holes (receptacle) to which the external load device is connected.
- FIG. 1 shows a front view 300 and a side view 302 of a green outlet having one insertion opening 72
- FIG. 2 shows a green outlet having two insertion openings 72, 74.
- Front view 400 and side view 402 are shown. 1 and 2, the mode selection switch 50, the reset switch 55, and the LED unit 60 are further illustrated. Detailed description thereof will be described later with reference to FIGS. 3 and 4.
- the green outlet has a plurality of insertion holes
- only a part of the plurality of insertion holes may be an insertion hole having a standby power blocking function and / or an overcurrent blocking function, which will be described later, and others may be general insertion holes having no such function. have.
- the user in the event of a failure in an insertion hole having a standby power cutoff function and / or an overcurrent blocking function of the green outlet, the user can temporarily use a general insertion hole until the trouble is fixed, thereby reducing user inconvenience. have.
- FIG. 3 is a block diagram showing a green outlet 400 according to a first embodiment of the present invention.
- the green outlet 400 includes two insertion holes 72 and 74 as an example.
- the following description will be given of the case where both the insertion holes 72 and 74 have the standby power cutoff function and the overcurrent cutoff function, but only one has the standby power cutoff function and the overcurrent cutoff function, and the other has such functions.
- it may be a general insertion port that does not.
- the green outlet 400 may include an external power source 45, a first power source unit 30, a second power source unit 35, and two insertion holes 72 and 74.
- the 220V AC voltage may be input from the external power source 45, and the first power supply unit 30 may step down and output the 220V AC voltage provided from the external power source 45 to a voltage for operating the heat transfer control unit 20.
- the second power supply unit 35 may use the voltage output from the first power supply unit 30, for example, the voltage used in the control unit 10, the current sensing unit 15, the Zigbee module (see 130 in FIG. 4), and the like. Can be output by stepping down.
- the voltage for operating the heat transfer control unit 20 may be, for example, 12V, and the voltage used in the control unit 10, the current sensing unit 15, the Zigbee module (see 130 in FIG. 4), and the like may be 5V, for example. Can be.
- the power supply may be composed of only one power supply.
- the power supply unit is composed of the first power supply unit 30 and the second power supply unit 35 so as to drop the voltage through the 220V AC voltage provided from the external power supply 45 through two stages.
- Two insertion holes 72 and 74 each have three terminals, one terminal is connected to one wire connected from an external power source 45 and the other terminal is connected to one wire connected from the heat transfer control unit 20. The other terminal is grounded to supply power to an external load device connected to each of the two insertion openings 72 and 74.
- the green outlet 400 may further include a lightning protection circuit 25, a current sensing unit 15, a control unit 10, and a heat transfer control unit 20.
- the lightning protection circuit 25 may be installed between two lines of the external power source 45 to protect the external load device from lightning. Under normal circumstances, the lightning protection circuit 25 serves to prevent short-circuit of electricity flowing through two wires, and when lightning flows through two wires to which the external power source 45 is connected, the lightning protection circuit 25 is connected between the two wires. ) Absorbs and charges the high-voltage electricity from lightning strikes like a condenser instantaneously and bypasses the high-pressure electricity to earth to protect external load devices from lightning strikes.
- the current sensing unit 15 may output the current magnitude signal to the control unit 10 by measuring the intensity of the current output from the green outlet 400.
- the control unit 10 receives the current magnitude signal and outputs a display signal to the LED unit 60 and the buzzer 65 according to the magnitude of the current magnitude signal, and outputs a cutoff signal to the heat transfer control unit 2. can do.
- the control unit 10 may output a blocking signal.
- the control unit 10 outputs a display signal to the LED unit 60 and the buzzer 65 to inform the user that an overcurrent or a standby current is flowing before outputting the blocking signal. can do.
- the LED unit 60 and the buzzer unit 65 may indicate the current state of the green outlet 400, that is, an overcurrent state, a standby current state, or a normal operation state. This will be described later.
- the heat transfer control unit 20 may allow the external power source 45 to be cut off according to the cutoff signal output from the control unit 10. Specifically, one of the two wires of the external power source 45 is directly connected to one terminal of each of the insertion ports 72 and 74, the other wire is connected to the IP + terminal of the current sensing unit 15, the current sensing It may be connected to the heat transfer control unit 20 via the IP- terminal of the unit 15. The heat transfer control unit 20 may connect or block the electric current flowing through the current sensing unit 15 to flow to the other terminal of each of the insertion holes 72 and 74 through the relay switch.
- the heat transfer control unit 20 may include an induction electric unit for flowing induction electricity and a relay switch operated by the induction electricity.
- Induction electrical units can be operated with a voltage of, for example, 12V or 5V.
- the power supply unit includes the first power supply unit 30 and the second power supply unit 35 so that the first power supply unit 30 can output a voltage of 12V
- the induction electric unit operates at a voltage of 12V.
- the power supply section is composed of only one power supply section and can output a voltage of only 5V
- the induction electric section can be operated at a voltage of 5V.
- control unit 10 If the control unit 10 transmits a cutoff signal to the heat transfer control unit 20, the induction electricity flows by the induction electric unit so that the contact point of the relay switch is dropped, thereby preventing the power supply from the external power source. On the contrary, if the control unit 10 transmits a reset signal to be described later to the heat transfer control unit 20, the induction electricity by the induction electric unit does not flow so that the contact point of the relay switch is reattached, thereby restarting the power supply from the external power source. can do.
- the green outlet 400 may further include a mode selection switch 50 and a reset switch 55.
- the mode selection switch 50 may allow the user to selectively switch the operation mode of the control unit 10 to, for example, an automatic mode and a manual mode.
- the manual mode is an operation mode in which the user directly cuts off or resumes the power supply from the external power source 45.
- the automatic mode is an operation mode in which the control unit 10 of the green outlet 400 automatically cuts off or resumes the power supply from the external power source 45.
- the reset switch 55 is for the user to resume the power supply from the external power source 45 that was cut off by the control unit 110. Specifically, after the power supply from the external power supply 45 is cut off, that is, after the overcurrent, standby power, lightning strike, etc. are removed, the user presses the reset switch 55 to prevent the user from supplying power from the external power supply 45. You can resume.
- the standby power is cut off.
- a case in which a plurality of external load devices are connected and used by using a multi-plug to one insertion port of the green outlet 400 will be described.
- an audio device having a standby power of 20 W, a computer having a standby power of 12 W, and a television having a standby power of 4 W, for example, are connected to one insertion hole of the green outlet 400.
- the insertion hole When the total load capacity of the external load devices connected to one insertion hole of the green outlet 400 is smaller than a lower setting value, the insertion hole may enter the standby power cutoff state.
- the set lower limit value may be, for example, the total power consumption consumed by the external load devices connected to the insertion hole, and in the above example, for example, 36 W which is the sum of the standby power values of the external load devices.
- the standby power cutoff state the power supply from the external power source 45 to the external load devices connected to the insertion hole is cut off.
- a blue LED may blink for a period of time, for example for three minutes, in the LED portion 60 of the green outlet 400 before entering the standby power off state.
- the insertion hole of the green outlet 400 may enter the standby power off state.
- the standby power consumption of the external load devices connected to the insertion hole of the green outlet 400 may be reduced or prevented.
- the insertion hole may enter an overload cut-off state.
- the set upper limit value may be, for example, a magnitude of a current output from the insertion hole to external load devices connected to the insertion hole, and may be, for example, 10A.
- power supply from the external power source 45 to the external load devices connected to the insertion port is cut off.
- a red LED may blink for a period of time, for example 30 seconds, in the LED portion 60 of the green outlet 400 before entering the overload cutoff state.
- the red LED may blink and beep. In this case, if there is no user's command not to enter the overload cutoff state during the blinking time of the red LED, the insertion hole of the green outlet 400 may enter the overload cutoff state.
- the set upper limit value may be set to a multistage value, such as the first set upper limit value and the second set upper limit value.
- the primary set upper limit value may be, for example, 8A and the secondary set upper limit value may be, for example, 10A.
- the time for which the red LED flashes and / or the alarm sounds before entering the above-described overload cutoff state may be 1, for example. It can be minutes.
- the time that the red LED blinks and / or the alarm sounds before entering the overload cutoff mode described above may be, for example, 30 seconds.
- FIG. 4 is a block diagram showing a green outlet 410 according to a second embodiment of the present invention.
- the same reference numerals are used for components substantially the same as those of the green outlet 400 according to the first exemplary embodiment of the present invention illustrated in FIG. 3, and a detailed description thereof will be omitted.
- the green outlet 410 may further include an infrared sensor 135, a Zigbee module 130, and a serial communication unit 150.
- the infrared sensor 135 may be, for example, an irDA sensor.
- the serial port in the serial communication unit 150 may be, for example, RS485.
- the infrared sensor 135 may detect a command signal for commanding blocking or a command signal for commanding a reset and transmit the detected command signal to the control unit 10.
- the user may emit an infrared command signal using a remote controller or a mobile phone.
- the infrared sensor 135 transmits such a command signal, that is, a command signal for commanding a shut-off or a command signal for a reset, to the control unit 10 so that the control unit 10 correspondingly receives a cutoff signal or a reset signal. It may be possible to transmit to the heat transfer control unit 20.
- the infrared sensor 1335 when the user's hand is difficult to reach the reset switch 55 of the green outlet 410, or when the green outlet 410 is away from the user, a remote control or a mobile phone is used. By doing so, the operation of the green outlet 410 can be easily controlled.
- the Zigbee module 130 wirelessly communicates with the control unit 10 to allow the user to control the green outlet 410 wirelessly.
- the serial communication unit 150 communicates with the control unit 10 by wire to enable the user to control the green outlet 410 by wire.
- the user may connect the personal computer to the serial communication unit 150 using a USB to control the green outlet 410 in software on the personal computer.
- the Zigbee module 130 and the serial communication unit 150 is a command signal for commanding to block or reset the command signal from the home server or the main controller 140 installed in any one of the interior of the building by wireless communication or Received by wired communication, and transmitted to the control unit 10 may enable the control unit 10 to transmit a cutoff signal or a reset signal to the heat transfer control unit 20 correspondingly.
- the home server can be accessed from the outside by using a mobile phone or the Internet, the user can control the operation of the green outlet 410 from the outside by this configuration.
- the Zigbee module 130 and the serial communication unit 150 also receive an information signal on the current state of the green outlet 410 from the control unit 10 by wireless communication or by wired communication, which is a home server or a main controller. Can be passed to 140.
- the information signal is information about a current state of the green outlet 410, that is, whether it is an overcurrent state, a standby current state, or a normal operating state, and is currently output from each of the insertion openings 72 and 74 of the green outlet 410.
- Information regarding the magnitude of the current or the magnitude of the power output from each of the insertion holes 72 and 74 may be included.
- FIG. 5 is a diagram illustrating a case in which the green outlet 400 of FIG. 2 further includes an external input / output device 400 ′.
- the green outlet 410 described with reference to FIG. 4 may also include such an external input / output device 400 ′.
- the green outlet 400 may further include an external input / output device 400 ′.
- the external input / output device 400 ′ may include an extra LED unit 60 ′, a separate mode selection switch 50 ′, a separate reset switch 55 ′, and a separate infrared sensor 135 ′.
- the separate LED unit 60 ', the separate mode selection switch 50', and the separate reset switch 55 ' are substantially the same as the LED 60, the mode selection switch 50, and the reset switch 55 described with reference to FIG.
- the same function may be performed, and the separate infrared sensor 135 ′ may perform substantially the same function as the infrared sensor 135 described with reference to FIG. 4.
- the green outlet 400 includes such an external input / output device 400 '
- a user may use the external input / output device 400' when the green outlet 400 is installed at a location that is difficult to access.
- the user places the external input / output device 400 ′ at a location that is easily accessible by the user, such that the LED 60, the mode selection switch 50, the reset switch 55 and the green outlet 400 are provided.
- the LED 60, the mode selection switch 50, the reset switch 55 and the green outlet 400 are provided.
- a separate LED unit 60 ', a separate mode selection switch 50' and a separate reset switch 55 'and / or a separate infrared sensor 135' instead of using the infrared sensor 135 ,
- the operation of the green outlet 400 can be easily controlled.
- the green outlet 400 or The 410 may be connected to an external input / output device such as a computer through a USB cable.
- an external input / output device such as a computer through a USB cable.
- FIG. 6 shows a front view and a side view of a green outlet having one insertion hole in the third or fourth embodiment of the present invention
- FIG. 7 shows the third or fourth embodiment of the present invention.
- FIG. 8 exemplarily illustrates the display unit 80 of FIG. 6 or 7.
- 9 is a block diagram showing the green outlet 420 according to the third embodiment of the present invention
- FIG. 10 is a block diagram showing the green outlet 430 according to the fourth embodiment of the present invention.
- FIGS. 6 and 7 correspond to FIGS. 1 and 2, respectively
- FIGS. 9 and 10 correspond to FIGS. 3 and 4, respectively.
- the buzzer 65 described with reference to FIGS. 3 and 4 is further illustrated in the green outlet illustrated in FIGS. 6 and 7.
- the same reference numerals are used for constituent elements that are substantially the same as in FIGS. 1, 2, 3, and 4, and detailed descriptions thereof are omitted for convenience of description.
- Green outlet according to the present invention may be provided with one or more insertion ports to which the external load device is connected.
- FIG. 6 shows a front view 310 and a side view 312 of a green outlet having one insertion opening 72
- FIG. 7 shows a green outlet having two insertion openings 72, 74.
- Front view 420 and side view 422 are shown.
- the green outlet 420 includes two insertion holes 72 and 74 as an example.
- the green outlet according to the third and fourth embodiments of the present invention is compared with the green outlet shown in FIGS. 1 and 2, and the display unit 80 and the time setting switch unit. (85) may be further included.
- the display 80 may be, for example, an LCD as shown in FIG. 8, and according to a display signal provided from the controller 10, a set-up time, a current time, and an on state. The turn-on time and the turn-off time may be displayed. In a state where the user does not operate the time setting switch unit 85, the display unit 80 may display a current time. The display unit 80 may also display a current value in response to the display signal transmitted by the control unit 10 according to the current magnitude signal output from the current sensing unit 15.
- the time setting switch unit 85 may be configured of a plurality of push buttons, and the user may input a desired input value by pressing the push button while looking at the display unit 80. Can be.
- This input value is transmitted to the control unit 10, the control unit 10 transmits a display signal corresponding to the input value to the display unit 80, so that the display unit 80 receives information corresponding to the display signal Can be displayed. Therefore, the user can set the on time and the off time of the green outlet 420 by manipulating the time setting switch unit 85 while looking at the display unit 80.
- the user Since the green outlet 420 starts operation at the on time, and the green outlet 420 stops at the off time, the user sets a predetermined time by the time setting switch unit 85 and the display unit 80. Green outlets may only be operated during the interval. Therefore, by appropriately selecting the operating time of the green outlet, it is possible to reduce or prevent the standby power consumption consumed by the external load devices connected to the insertion hole of the green outlet 420.
- the LED outlet 60 may be provided in the green outlet shown in FIGS. 6 to 8.
- the display unit 80 may perform a function of the LED unit 60 as well as a display function for setting a user's time.
- the display unit 80 may perform a function of displaying the current state of the green outlet, that is, whether the green outlet is in an overcurrent state, a standby current state, or a normal operation state, instead of the LED unit 60.
- the green outlet 420 may further include an external input / output device 400 ′ as shown in FIG. 5.
- the external input / output device (not shown) included in the green outlet 420 or 430 may further include a separate display unit (not shown) and a separate time setting switch unit (not shown) in addition to the components shown in FIG. 5. It will also be appreciated that it may include.
- the separate display unit (not shown) and the separate time setting switch unit (not shown) may perform substantially the same functions as the display unit 80 and the time setting switch unit 85 described with reference to FIGS. 6 to 10. .
- the green outlet 420 according to the third embodiment of the present invention and the green outlet 430 according to the fourth embodiment of the present invention may be connected to an external input / output device such as a computer through a USB cable.
- an external input / output device such as a computer through a USB cable.
- FIG. 11 is a block diagram illustrating an exemplary configuration of a current sensing unit and a control unit that may be provided in the green outlet according to the present invention.
- FIG. 12 is a flowchart illustrating an operation occurring in the block diagram shown in FIG. 11.
- the current sensing unit 15 of the green outlet may include a hall sensor 510, an amplifier 520, and a reference voltage generator, and the control unit 10 may be an example.
- the control unit 10 may be configured as a microcontroller, and may include an A / D converter 540, a RAM 560, and a CPU 590.
- the CPU 590 may include a selector 550, a current value readout 570, and a cutoff signal outputter 580.
- the CPU 590 is configured to include a selector 550, a current value readout 570, and a cutoff signal outputter 580.
- the purpose of the CPU 590 is to clarify the functions performed by the CPU 590. In addition, the CPU 590 may not be physically separated by these components.
- the hall sensor 510 may output an output voltage v out proportional to the magnitude of the input current i in in the linear operating region.
- the input current i in corresponds to a current output from the green outlet, that is, it may correspond to a sum of currents supplied from the green outlet to one or more external load devices.
- the amplifier 520 may output the amplified voltage v amp by amplifying the output voltage v out output by the hall sensor 510.
- the reference voltage generator 530 may generate a reference voltage v ref and provide it to the controller 10. The reference voltage vref will be described later with reference to the selector 550.
- the A / D converter 540 may receive an output voltage v out and an amplification voltage v amp and convert them to digital values Vout and V amp , respectively.
- the RAM 560 is an example of a memory device.
- the RAM 560 includes a first lookup table (LUT out ) and a second lookup table (LUT amp ), a set upper limit (i upper ), and a lower set value (i lower ). This can be stored.
- the current value corresponding to the digital value V out of the output voltage v out is recorded in the first lookup table LUT out , and the digital value of the amplification voltage v amp in the second look up table LUT amp .
- the current value corresponding to (V amp ) is recorded.
- the RAM 560 may turn on and off the green outlet set by the user. More time can be saved.
- the selector 550 may receive a digital value V out of the output voltage and a digital value V amp of the amplification voltage and select one of the two values. In detail, the selector 550 determines whether the digital value V amp of the amplified voltage is the same as the digital value V ref of the reference voltage v ref . As a result of the determination, if so, the selector 550 may select the digital value V out of the output voltage v out , and otherwise, select the digital value V amp of the amplification voltage v amp . .
- the current value reading unit 570 reads a current value corresponding to the value selected by the selecting unit 550.
- Digital values Specifically, the output voltage (v out) digital value if you selected the (V out), the output voltage (v out) from the first look-up table (LUT out) of the RAM (560) in the selection unit 550 ( If the current value corresponding to V out ) is read out and the digital value V amp of the amplification voltage v amp is selected by the selector 550, the amplification is performed from the second lookup table LUT amp of the RAM 560.
- the current value corresponding to the digital value V amp of the voltage v amp can be read.
- the current value i dtm corresponding to the magnitude of the input current i in can be determined.
- the blocking signal output unit 580 may output the blocking signal by comparing the determined current value i dtm with a set upper limit i upper and a set lower limit i lower . Specifically, the cutoff signal output unit 580 reads the set upper limit i upper and the set lower limit i lower from the RAM 560, and the determined current value i dtm is greater than the set upper limit i upper , If it is smaller than the set lower limit (i lower ), the cutoff signal can be output.
- the determined current value (i dtm) is greater than the set upper limit value (i upper), and the output current of the green outlet is an over-current condition, is smaller than a predetermined current value (i dtm) is set lower limit value (i lower), the output current of the green outlet This is because it can be determined that is a standby current state.
- the blocking signal output unit 580 selects one value of the selection unit 550, the output voltage (v out) of the digital value (V out) and the amplified voltage (v amp) digital value (V amp) of You can change the behavior depending on what you did. Specifically, when the digital value V out of the output voltage v out is selected by the selector 550, only the set upper limit i upper is read from the RAM 560, and the determined current value i dtm is set. If it is larger than the upper limit (i upper ), the blocking signal can be output.
- the selector 550 when the digital value V amp of the amplification voltage v amp is selected by the selector 550, only the set lower limit i lower is read from the RAM 560, and the determined current value i dtm is set. If it is less than the lower limit (i lower ), the blocking signal can be output.
- FIG. 12 a process of outputting a blocking signal from the green outlet according to the present invention will be described sequentially.
- the process shown in FIG. 12 may be repeated continuously at regular time intervals in the green outlet.
- the amplifier 520 amplifies the output voltage v out output by the hall sensor 510 and outputs an amplified voltage v amp (S610).
- the A / D converter 540 converts the output voltage v out and the amplification voltage v amp into digital values Vout and V amp , respectively, and outputs them (S620).
- the CPU 590 determines whether the digital value V amp of the amplified voltage is equal to the digital value V ref of the reference voltage v ref (S630). Judgment result, if the digital value of the amplified voltage (V amp) is equal to the digital value (V ref) of the reference voltage (v ref), select the digital values (V out) of the output voltage (v out) (S640).
- the digital value (V amp ) of the amplification voltage is less than the digital value (V ref ) of the reference voltage (v ref )
- the digital value (V amp ) of the amplification voltage (v amp ) is selected. (S645).
- the current value i dtm is determined from the selected value (S650). For example, using the first lookup table (LUT out ) or the second lookup table (LUT amp ) of the RAM 560, the digital value of the output voltage (v out ) (V out ) or the amplification voltage (v amp ) of the Determine the current value i dtm corresponding to the digital value V amp .
- the CPU 590 compares the determined current value i dtm with the set upper limit i upper and the set lower limit i lower (S660). As a result of the determination, when the determined current value i dtm is larger than the set upper limit i upper or smaller than the set lower limit i lower , the blocking signal is output (S670). Otherwise, it terminates without outputting the blocking signal.
- the current value is obtained by using the digital value (V amp ) of the amplification voltage. (i dtm ).
- the digital value V amp of the amplified voltage is smaller than the digital value V ref of the reference voltage v ref , the current output from the green outlet, that is, the size of the input current i in , is small. do.
- a circuit for measuring the output current of the green outlet and outputting the cutoff signal can be realized in a small space.
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Abstract
Description
Claims (34)
- 하나 이상의 외부부하장치에 전기 에너지를 공급할 수 있는 그린 콘센트로서,입력 전류를 입력받아 그 크기에 상응하는 출력 전압을 출력하는 홀센서(hall sensor);상기 출력 전압을 증폭한 증폭 전압을 출력하는 증폭기; 및상기 증폭 전압이 기준 전압보다 작으면 상기 증폭 신호의 디지털 값으로부터 상기 입력 전류의 크기에 해당하는 전류값을 결정하고, 상기 결정된 전류값과 설정 하한값의 크기를 비교하여서, 상기 결정된 전류값이 상기 설정 하한값보다 작으면 상기 전기 에너지 공급을 차단하도록 하는 차단 신호를 출력하는 CPU를 포함하는,그린 콘센트.
- 제1 항에 있어서,상기 설정 하한값은 대기전력 차단을 위한 값인,그린 콘센트.
- 제1 항에 있어서,상기 결정된 전류값이 상기 설정 하한값보다 작으면 상기 그린 콘센트의 출력 전류가 대기 전력 상태임을 표시하기 위한 LED부 및 부져 중 하나 이상을 더 포함하는,그린 콘센트.
- 제3 항에 있어서,상기 그린 콘센트의 출력 전류가 대기 전력 상태임을 표시하고, 이후 일정한 시간 동안 사용자의 대응이 없으면 상기 차단 신호를 출력하는,그린 콘센트.
- 제1 항에 있어서, 상기 CPU는,상기 증폭 전압이 상기 기준전압과 크기가 같으면, 상기 출력 전압의 디지털 값으로부터 상기 입력 전류의 크기에 해당하는 전류값을 결정하는,그린 콘센트.
- 제5 항에 있어서, 상기 CPU는,상기 출력 전압의 디지털 값으로부터 결정된 전류값과 설정 상한값의 크기를 비교하여서, 상기 결정된 전류값이 상기 설정 상한값보다 크면 상기 차단 신호를 출력하는,그린 콘센트.
- 제6 항에 있어서,상기 설정 상한값은 과전류 차단을 위한 값인,그린 콘센트.
- 제6 항에 있어서,상기 그린 콘센트의 출력 전류가 과전류 상태임을 표시하기 위한 LED부 및 부져 중 하나 이상을 더 포함하는,그린 콘센트.
- 제8 항에 있어서,상기 그린 콘센트의 출력 전류가 과전류 상태임을 표시하고, 이후 일정한 시간 동안 사용자의 대응이 없으면, 상기 차단 신호를 출력하는,그린 콘센트.
- 제9 항에 있어서,상기 설정 상한값은 1차 설정 상한값과 2차 설정 상한값을 포함하고,각각의 설정 상한값에 대하여 상기 일정한 시간이 다른,그린 콘센트.
- 제1 항에 있어서,상기 증폭 전압이 상기 기준전압과 크기가 같으면, 상기 출력 전압의 디지털 값으로부터 상기 입력 전류의 크기에 해당하는 전류값을 결정하되,상기 출력 전압에 상응하는 전류값이 기록된 제1 룩업 테이블 또는 상기 증폭 전압에 상응하는 전류값이 기록된 제2 룩업 테이블로부터, 상기 전류값을 결정하는,그린 콘센트.
- 제1 항에 있어서,상기 그린 콘센트는 매입형 콘센트인,그린 콘센트.
- 제1 항에 있어서,상기 그린 콘센트는 플러그가 삽입될 수 있는 삽입구(receptacle)를 복수 개 구비하고,상기 삽입구 중 일부의 삽입구에 연결된 외부부하장치로의 상기 전기 에너지 공급이 차단될 수 있도록 구성된,그린 콘센트.
- 제1 항에 있어서,상기 차단 신호에 의해서 중단된 전기 에너지 공급을 재개하기 위한 리셋 스위치를 더 포함하는,그린 콘센트.
- 제1 항에 있어서,상기 CPU가 스스로 상기 차단 신호를 출력하는 자동 모드와 사용자의 조작에 의해서만 상기 차단 신호가 출력되는 수동 모드 사이에서 모드 전환이 가능한,그린 콘센트.
- 제1 항에 있어서,상기 그린 콘센트는 적외선 센서를 더 포함하고,사용자는 상기 적외선 센서를 통한 적외선 통신에 의해서,상기 차단 신호 및 상기 차단 신호에 의해서 중단된 전기 에너지 공급을 재개하기 위한 리셋 신호 중 하나 이상을 상기 CPU가 출력하도록 명령할 수 있는,그린 콘센트.
- 제1 항에 있어서,상기 그린 콘센트는 상기 CPU와의 무선 통신이 가능하게 하는 지그비모듈 및 상기 CPU와의 유선 통신이 가능하게 하는 직렬통신부 중 하나 이상을 더 포함하고,사용자는 상기 지그비모듈 및 상기 직렬통신부 중 하나 이상을 통해서,상기 차단 신호 및 상기 차단 신호에 의해서 중단된 전기 에너지 공급을 재개하기 위한 리셋 신호 중 하나 이상을 상기 CPU가 출력하도록 명령할 수 있는,그린 콘센트.
- 제1 항에 있어서,별도 LED부와 별도 모드 선택 스위치와 별도 리셋 스위치와 별도 적외선 센서 중 하나 이상을 포함하는 외장 입출력 장치를 더 포함하는,그린 콘센트.
- 제1 항에 있어서,상기 그린 콘센트는 USB 케이블을 통해서 외부 입출력 장치에 연결될 수 있고,이렇게 연결된 외부 입출력 장치 상에서 소프트웨어를 실행하여 상기 그린 콘센트의 동작을 제어할 수 있는,그린 콘센트.
- 하나 이상의 외부부하장치에 전기 에너지를 공급할 수 있는 그린 콘센트로서,입력 전류를 입력받아 그 크기에 상응하는 출력 전압을 출력하는 홀센서;상기 출력 전압을 증폭한 증폭 전압을 출력하는 증폭기; 및상기 증폭 전압이 기준 전압보다 작으면 상기 증폭 신호의 디지털 값으로부터 상기 입력 전류의 크기에 해당하는 전류값을 결정하고, 상기 결정된 전류값과 설정 하한값의 크기를 비교하여서, 상기 결정된 전류값이 상기 설정 하한값보다 작으면 상기 전기 에너지 공급을 차단하도록 하는 차단 신호를 출력하는 CPU를 포함하되,상기 그린 콘센트가 켜지는 켜짐 시간과 상기 그린 콘센트가 꺼지는 꺼짐 시간을 사용자가 설정할 수 있는,그린 콘센트.
- 제20 항에 있어서,사용자가 상기 켜짐 시간 및 상기 꺼짐 시간을 입력하기 위한 타임설정스위치부를 더 포함하는,그린 콘센트.
- 제20 항에 있어서,현재 시간(current Time), 켜짐 시간(turn-on time) 및 꺼짐 시간(turn-off time) 중 하나 이상을 표시하는 디스플레이부를 더 포함하고,사용자는 상기 디스플레이부를 보면서, 상기 켜짐 시간 및 상기 꺼짐 시간을 입력할 수 있는,그린 콘센트.
- 제20 항에 있어서,상기 설정 하한값은 대기전력 차단을 위한 값인,그린 콘센트.
- 제20 항에 있어서,상기 결정된 전류값이 상기 설정 하한값보다 작으면 상기 그린 콘센트의 출력 전류가 대기 전력 상태임을 표시하기 위한 LED부 및 부져 중 하나 이상을 더 포함하는,그린 콘센트.
- 제20 항에 있어서, 상기 CPU는,상기 증폭 전압이 상기 기준전압과 크기가 같으면, 상기 출력 전압의 디지털 값으로부터 상기 입력 전류의 크기에 해당하는 전류값을 결정하는,그린 콘센트.
- 제25 항에 있어서, 상기 CPU는,상기 출력 전압의 디지털 값으로부터 결정된 전류값과 설정 상한값의 크기를 비교하여서, 상기 결정된 전류값이 상기 설정 상한값보다 크면 상기 차단 신호를 출력하는,그린 콘센트.
- 제26 항에 있어서,상기 설정 상한값은 과전류 차단을 위한 값인,그린 콘센트.
- 제20 항에 있어서,상기 그린 콘센트는 매입형 콘센트인,그린 콘센트.
- 제20 항에 있어서,상기 차단 신호에 의해서 중단된 전기 에너지 공급을 재개하기 위한 리셋 스위치를 더 포함하는,그린 콘센트.
- 제20 항에 있어서,상기 CPU가 스스로 상기 차단 신호를 출력하는 자동 모드와 사용자의 조작에 의해서만 상기 차단 신호가 출력되는 수동 모드 사이에서 모드 전환이 가능한,그린 콘센트.
- 제20 항에 있어서,상기 그린 콘센트는 적외선 센서를 더 포함하고,사용자는 상기 적외선 센서를 통한 적외선 통신에 의해서,상기 차단 신호 및 상기 차단 신호에 의해서 중단된 전기 에너지 공급을 재개하기 위한 리셋 신호 중 하나 이상을 상기 CPU가 출력하도록 명령할 수 있는,그린 콘센트.
- 제20 항에 있어서,상기 그린 콘센트는 상기 CPU와의 무선 통신이 가능하게 하는 지그비모듈 및 상기 CPU와의 유선 통신이 가능하게 하는 직렬통신부 중 하나 이상을 더 포함하고,사용자는 상기 지그비모듈 및 상기 직렬통신부 중 하나 이상을 통해서,상기 차단 신호 및 상기 차단 신호에 의해서 중단된 전기 에너지 공급을 재개하기 위한 리셋 신호 중 하나 이상을 상기 CPU가 출력하도록 명령할 수 있는,그린 콘센트.
- 제20 항에 있어서,별도 LED부와 별도 모드 선택 스위치와 별도 리셋 스위치와 별도 적외선 센서와 별도 디스플레이부와 별도 타임설정스위치부 중 하나 이상을 포함하는 외장 입출력 장치를 더 포함하는,그린 콘센트.
- 제20 항에 있어서,상기 그린 콘센트는 USB 케이블을 통해서 외부 입출력 장치에 연결될 수 있고,이렇게 연결된 외부 입출력 장치 상에서 소프트웨어를 실행하여 상기 그린 콘센트의 동작을 제어할 수 있는,그린 콘센트.
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WO2019202471A1 (en) * | 2018-04-17 | 2019-10-24 | Rahul Jaisinghani | Receptacle panel device for dc to dc electric power supply |
GB2579593A (en) * | 2018-12-05 | 2020-07-01 | Towngas Telecommunications Fixed Network Ltd | Wireless remote power monitoring method and device therefor |
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GB2579593A (en) * | 2018-12-05 | 2020-07-01 | Towngas Telecommunications Fixed Network Ltd | Wireless remote power monitoring method and device therefor |
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