KR100959098B1 - Home network system using feedback signal, power detecting apparatus therefor, and method therefor - Google Patents

Home network system using feedback signal, power detecting apparatus therefor, and method therefor Download PDF

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Publication number
KR100959098B1
KR100959098B1 KR20070080854A KR20070080854A KR100959098B1 KR 100959098 B1 KR100959098 B1 KR 100959098B1 KR 20070080854 A KR20070080854 A KR 20070080854A KR 20070080854 A KR20070080854 A KR 20070080854A KR 100959098 B1 KR100959098 B1 KR 100959098B1
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South Korea
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electronic product
power
state
unit
transmitting
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KR20070080854A
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Korean (ko)
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KR20070085197A (en
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배이환
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삼성에스디에스 주식회사
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Abstract

The present invention relates to a home network system. Specifically, the home server is connected to the Internet to receive data, and transmits a control signal for controlling a registered electronic product according to the data received through the Internet; A wireless signal transmitter for receiving the control signal from the home server and transmitting a wireless signal corresponding to the control signal to a corresponding electronic product according to the control signal; And a power supply unit for supplying power to the electronic product controlled by the wireless signal transmitted from the wireless signal transmitting unit and supplying power to the electronic product, detecting a current between the electronic product and the power supply unit, and detecting the current. It relates to a home network system comprising a; power detection unit for transmitting and feeding back status information including the result of determining the power state of the electronic product according to the detected result.
According to the present invention, it is possible to check whether the operation state of the electronic product is fed back according to the control, so that the same reliability as the wired control can be obtained even if the electronic product is controlled using a wireless signal.
Home network, wireless, control

Description

Home network system using feedback signal, power detecting apparatus and method used therein {Home network system using feedback signal, power detecting apparatus therefor, and method therefor}

The present invention relates to a home network system, and more particularly, to a home network system and a method therefor for checking a change in a power state of an electronic product by receiving a feedback of a power state of a target electronic product in the home network system.

A home network system is a future home system that enables two-way communication by connecting all the electrical and electronic products used in the home to one wired or wireless system. In addition to the ability to remotely control home appliances (home automation), data transfers between home appliances automatically control and control advanced features such as information exchange, monitoring and security. When a home network system is established at home, the home appliances can be networked and used freely regardless of time and place.

The target of building a home network is a digital device, not an analog type, which can be connected to a refrigerator or washing machine, a digital TV, a digital camcorder, a camera, a computer, and an air conditioner that can be operated via the Internet.

As a transmission technology, both wired and wireless technologies can be utilized, and the most popular and researched field is a technology for transmitting data using power line communication. However, when controlling home appliances by the power line method, home appliances should be changed to products capable of power line communication. In particular, domestic home appliances do not support power line communication that meets domestic standards. Is the reality.

In order to solve this problem, a lot of researches have recently been conducted on how to connect all home appliances that operate with a remote control with a home network system.

1 is a diagram illustrating a configuration of a home network system that controls a home appliance electronic product using a conventional wireless signal.

The home server 50 receives a control command of the electronic product 20 from the outside through the Internet 70 or transmits a control signal for operating the electronic product 20 according to a preset schedule, and transmits a wireless signal. 40 receives the control signal received from the home server 50 and converts it into an infrared signal and transmits it to the electronic product 20.

2 shows the configuration of the wireless signal transmitter 40 and the electronic product 20.

The command receiver 41 of the wireless signal transmitter 40 receives a command (control signal), the received command is interpreted by the command interpreter 42, and the command interpreter 42 is IR according to the interpreted command. The required IR waveform is selected from the waveform data section 44 and provided to the IR transmitter 43, and the IR transmitter 43 sends this IR signal to the electronic product 20.

The IR receiver 21 of the electronic product 20 receives the IR signal transmitted from the wireless signal transmitter 40 to operate the electronic product accordingly.

The user may control the electronic appliance 20 in the home using the wireless remote controller 60 as well as the Internet.

However, in the case of home appliances that operate using an existing remote controller using a wireless signal such as infrared rays as described above, there is a method of determining whether the electronic product operates according to the signal transmitted from the wireless signal transmitter 40. This is a problem.

Of course, when the user directly operates using the wireless remote control 60, the user can operate while watching with the eyes, so if the electronic product 20 does not operate by the operation of the remote control, such as the operation of the remote control again However, the home server 50 may instruct a predetermined operation when the electronic appliance is operated to be operated according to a predetermined schedule or when the electronic appliance is operated according to a predetermined schedule through the internet and when the predetermined condition is met through monitoring. In the case where the electronic product is controlled to operate in a state where the user does not directly check the operation of the electronic product, there is no way to check whether the electronic product performs the indicated operation.

In particular, there is an obstacle between the wireless signal transmitter 40 and the electronic product 20 to control the electronic product due to failure of the wireless signal or failure of the IR receiver 21 of the electronic product 20. When the electronics do not operate properly according to the command because the signal is not transmitted properly, the home server or the wireless signal transmitter recognizes that the electronics operate according to the control signal, but it does not actually operate. Problems arise.

In order to solve the above problems, an object of the present invention is to provide a home network system that can receive feedback from electronic products and check whether the electronic products operate under the control of a home server.

Another object of the present invention is to provide an apparatus for determining an operation state of an electronic product and feeding it back in a home network system.

In addition, the present invention provides a method for transmitting a control signal by receiving feedback from an electronic product in a home network system.

In addition, the present invention provides a method for determining the operation of the electronic product receiving the control signal in the home network system to feed it back.

In order to achieve the above object, the present invention provides a home server connected to the Internet for receiving data, and transmitting a control signal for controlling a registered electronic product according to the data received through the Internet; A wireless signal transmitter for receiving the control signal from the home server and transmitting a wireless signal corresponding to the control signal to a corresponding electronic product according to the control signal; And a power supply unit for supplying power to the electronic product controlled by the wireless signal transmitted from the wireless signal transmitting unit and supplying power to the electronic product, detecting a current between the electronic product and the power supply unit, and detecting the current. It provides a home network system comprising a; power detection unit for transmitting and feeding back status information including the result of determining the power state of the electronic product according to the detected result.

Here, the power sensing unit includes a current sensing unit for sensing a current flowing between the power supply unit and the electronic product; A state determination unit for determining a power state of the electronic product according to a result of sensing the current by the current detection unit; And a status information transmitting unit for transmitting the status information including the result determined by the status determining unit.

In addition, the state determination unit preferably sets a reference value for determining the power state of the electronic product through a predetermined learning.

In addition, the status information transmitting unit preferably transmits the status information to the wireless signal transmitting unit.

The status information transmitting unit transmits the status information whenever a change in the power state of the electronic product is detected, and transmits the state information at predetermined intervals when the change in the power state of the electronic product is not detected. It is desirable to.

In addition, the state information preferably includes identification information unique to the electronic product.

In addition, the home server receives the state information transmitted from the power state detection unit and compares the power state of the electronic product according to the state information with the power state of the electronic product registered in the home server to be different from each other. In this case, it is preferable to transmit the control signal to operate the electronic product according to the registered power state of the electronic product registered in the home server.

On the other hand, in order to achieve the above object, the present invention provides a control signal transmission unit for transmitting a control signal for the control of the registered electronic products, the electronic product and the electronic product operating in accordance with the radio signal transmitted from the control signal transmission unit And a power detection unit connected between a power supply unit for supplying power to the electronic product and determining a power state of the electronic product, wherein the control signal transmitting unit transmits the control signal in the home network system. Transmitting a control signal for controlling a power supply state of the product; Registering a power state of the electronic product to be changed according to the transmitted control signal; And when the state information of the electronic product is received, determining whether the received state information is identical to the registered state information, and if not, transmitting the control signal again according to the registered state information. A control signal transmission method in a home network system is provided.

The control signal transmitting method may include: checking whether state information of the electronic product is received within a predetermined time after transmitting the control signal; And transmitting the control signal again, wherein the state information is not received within a predetermined time.

On the other hand, in order to achieve the above object, the present invention provides a control signal transmission unit for transmitting a control signal for the control of the registered electronic products, the electronic product and the electronic product operating in accordance with the radio signal transmitted from the control signal transmission unit And a power detection unit connected between a power supply unit for supplying power to the electronic product and determining a power state of the electronic product, wherein the state information is transmitted from the power detection unit of the home network system. Determining a power state of the product; Transmitting state information including a power state of the electronic product to the control signal transmitting unit when a change in the power state of the electronic product occurs; And transmitting, by the electronic product, the status information every predetermined period when a change in the power state of the electronic product does not occur. To provide.

Here, the state information transmitting method comprises the steps of measuring the current value of the on state of the electronic product; Measuring a current value of an off state of the electronic product; And setting a reference value for determining a power supply state using the measured on-state current value and off-state current value.

On the other hand, in order to achieve the above object, the present invention provides a computer readable recording medium having recorded thereon a program for realizing the above method.

According to the present invention, it is possible to check whether the operation state of the electronic product is fed back according to the control, so that the same reliability as the wired control can be obtained even if the electronic product is controlled using a wireless signal.

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

3 is a block diagram showing the configuration of a home network system of the present invention.

The home network system of the present invention includes a power detector 100, an electronic product 200, a wireless signal transmitter 400, a home server 500, and a wireless remote controller 600.

The home network system of the present invention is similar in overall configuration to a home network system using a conventional wireless signal as shown in FIG. 1, but further includes a power detecting unit 100 between the power supply unit 300 and the electronic product 200. Including the operation state of the electronic product 200, there is a difference in that the feedback to the home server 500 or the wireless signal transmitter 400.

Specifically, the home network system of the present invention is as follows.

As in FIG. 1, the home server 500 receives a control command of the electronic product 200 from the outside through the Internet 700 or transmits a control signal for operating the electronic product 200 according to a preset schedule. . The control signal is transmitted to the wireless signal transmitter 400. The transmission method may be transmitted via a wire such as power line communication or a dedicated line, and may be transmitted through a wireless signal such as an infrared (IR) signal or an RF signal. It is also possible.

The wireless signal transmitter 400 receives the control signal received from the home server 500 and transmits it to the electronic product 200. In general, since a remote controller of an electronic product often uses infrared (IR), it is preferable to transmit a control signal using an infrared signal in that it is not necessary to change the structure of an existing electronic product. It is also possible to use signals. The transmission method may vary depending on which transmission method the electronic product 200 can receive the control signal transmitted.

As shown in FIG. 1, the user may control the electronic product 200 in the home using the wireless remote controller 600 as well as the Internet.

The power detection unit 100 is connected between the power supply unit 300 and the electronic product 200 to grasp the power state of the electronic product 200, and transmits and feeds back status information including a result of determining the power state.

A detailed configuration of the power detector 100 is shown in FIG. 4.

The power detector 100 includes a current detector 110, a state determiner 120, and a state information transmitter 130.

The current detecting unit 110 detects a current flowing between the power supply unit 300, that is, between the power outlet and the electronic product 200.

The state determining unit 120 determines whether a power state of the electronic product 200, that is, the electronic product is in an on state or an off state, according to a result of sensing the current in the current detection unit 110.

The reference value for determining whether the state is on or off may be preset and stored according to the electronic product. That is, the power detector 110 having a reference value for distinguishing ON / OFF of the corresponding device for each electronic product is set in the same way as the power detector of type A in the refrigerator and the power detector of type B in the TV. The device used may be used.

In addition, the state determination unit 120 is stored in the on / off state discrimination reference value of a plurality of types of electronic products, it may be to set the reference value to use depending on the electronic product to be installed when the user or installer.

In addition, by the predetermined learning, the state determining unit 120 may set a reference value for distinguishing the on / off state. For example, when the electronic product is in the off state, the user inputs the current amount to the power detection unit 100 through a key (not shown), etc., and the current amount is the off state, and the electronic product is turned on again. In the state, when the current amount is the amount of current corresponding to the on state is input to the power detection unit 100 through a key (not shown), etc., the state determination unit 120 automatically uses the measured current value. Can be programmed to set a reference value for distinguishing between on and off states.

The reference value may be set to a range of values where the power is on and a range of values when the power is off, with a predetermined error range from the measured values, respectively. There is no particular limitation on the setting method, such that it may be set to be on if there is more current value measured than the value using the value, and to be judged off otherwise.

The state information transmitting unit 130 transmits state information including the result determined by the state determining unit 120.

The state information includes the on / off state determined by the state determination unit 120, but preferably includes unique identification information of the power detection unit 100. In particular, when a plurality of electronic products are managed at the same time in the home network system of the present invention, it is necessary to know which electronic product status information is sent out, and thus uniqueness assigned to each electronic product or power detection unit 100. It is desirable to include the identification information of.

One power detector 100 may determine the power state of the plurality of electronic products. For example, the power detecting unit 100 may be provided with a plurality of outlets such as a power strip, and a power cord of an electronic product may be plugged into each outlet for use. At this time, the current sensing unit 110 in the power detecting unit 100 is provided with a number of outlets to be connected to each outlet, and the status determination unit 120 or state information sending unit 130 is provided with only one integrated It is desirable to be able to use it. At this time, it is preferable that the identification information included in the state information is allocated to each current sensing unit 110.

The state information transmitting unit 130 transmits the state information in a wired or wireless manner. For example, status information may be transmitted by wire using power line communication or a dedicated line, or status information may be transmitted by a wireless signal such as an infrared signal or an RF signal.

In addition, the state information transmitting unit 130 may transmit the state information only when the power state of the electronic product 200 is changed, or may transmit the state information every predetermined period.

In addition, the state information transmitted from the state information transmitting unit 130 may be transmitted for the purpose of the wireless signal transmitting unit 400, may be transmitted for the purpose of the home server 500, the purpose of the wireless remote control 600 May be sent.

The main reason for transmitting the status information by using the status information transmitting unit 130 is to feed back the operation state of the electronic product 200 according to the control signal to control the home server 500 or the wireless signal transmitting unit 400 and the like. Therefore, if the electronic product 200 does not operate, the control signal is sent again, and thus the state information transmitted from the power detection unit 100 determines whether the electronic product operates under control and does not operate according to the control. In this case, a component capable of transmitting a control signal again or a component capable of transmitting the status information transmitted from the power detecting unit 100 to a component capable of performing such a function may be used.

Therefore, the system designer may arbitrarily determine the destination of the state information transmitted from the power detection unit 100.

For example, if the system is designed to add the above functions to the wireless signal transmitter 400, the status information transmitter 130 may be designed to transmit the status information to the wireless signal transmitter 400. .

In addition, when the system is designed such that the above function is added to the home server 500, the power supply unit 300 may be designed to transmit status information to the home server 500. Alternatively, the status information transmitter 130 may transmit the status information to the wireless signal transmitter 400, and the wireless signal transmitter 400 may transmit the received status information to the home server 500.

In addition, the above function may be provided in the wireless remote controller 600, and the wireless remote controller 600 acts as a component for simply transmitting the status information signal of the power detection unit 100 to the wireless signal transmitter 400 and the like. It is also possible to design to.

After the control signal is sent from the home server 500, a process of receiving feedback from the power detection unit 100 will be described with reference to FIG.

As described above, the home server 500 transmits a control signal, and since the wireless signal transmitter 400 receives the control signal and transmits it to the electronic product 200, the home server 500 eventually receives the control signal. And the wireless signal transmitter 400 is a component for transmitting a control signal to the electronic product 200 when bundled into one block.

In addition, when the electronic device 200 determines that the electronic device 200 is not controlled according to the control signal by receiving the feedback of the status information from the power detecting unit 100, the function of transmitting the control signal again is the home server 500 or the wireless signal transmitting unit ( 400, since it may be provided anywhere in FIG. 5 is a component of any one of the home server 500 or the wireless signal transmitting unit 400 to send a control signal, and to determine the feedback signal and to send the control signal again. It is not limited to this.

First, the power detection unit 100 has to be set in the state determination unit 120 a reference value for distinguishing the on-off state of the electronic product 200 at the time of installation (501). The setting of the reference value may be stored in the state determining unit 120 in advance, or may be automatically set by the learning of the state determining unit 120 as described above.

In addition, when the reference value is set by learning, first, the current value of the on state of the electronic product 200 and the current value of the off state of the electronic product 200 are measured, and then the measured value of the current value of the on state and the off state As described above, the reference value for determining the power supply state is set using the current value.

If the user operates the Internet from outside to control the operation of the electronic products in the house or meets a predetermined condition such as a pre-registered schedule, the control signal through the home server and the wireless signal transmitting unit (hereinafter, 'home server'). Is sent (502).

When the home server or the like transmits the control signal, the home server stores the power state of the electronic product that is the target of the control signal in a predetermined storage means (not shown) (503). For example, when a control signal for turning on the TV having the identification information A is transmitted, the power state of the TV is recorded as 'ON' and stored.

The current detecting unit 110 of the power detecting unit 100 winds a change in the power state of the electronic product 200, and when the power state changes due to the operation of the electronic product to detect the change (504), the electronic product. State information including the power state of the power source 200 and the identification information indicating the power detection unit 100 or the electronic product 200 is transmitted to the home server or the like (505). As described above, the method of transmitting status information does not select a wired or wireless method.

In addition, even if the power detection unit 100 does not detect a change in the power supply state, the power supply unit 100 transmits the state information including the power supply state and identification information to the home server at predetermined intervals (508).

After sending the control signal in step 502, the home server or the like determines whether status information indicating a change in the power supply status is received within a predetermined time (506), and if the status information is received within the predetermined time, the reception thereof. It is determined whether the stored state information is identical to the stored state information (507), and the state information indicating that the received state information does not match the registered state information or changes state within a predetermined time after transmitting a control signal is received. If not, the control signal is sent again to control the electronic product 200 again (509).

At this time, if the status information is not sent even though the home server or the like continues to send the control signal, it is preferable to repeat the predetermined number of times and notify the user of this fact (not shown). The method of notifying the user may not select a method such as sending a short message to a mobile phone of a user registered in advance in a home server or the like.

The method of the present invention can also be embodied as computer readable code on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

1 is a diagram illustrating a home network system using a conventional radio signal.

2 is a diagram illustrating the configuration of a wireless signal transmitter and an electronic product in a conventional home network system.

3 is a block diagram showing the configuration of a home network system of the present invention.

Figure 4 is a block diagram showing the configuration of the power detection unit of the home network system of the present invention

5 is a flowchart illustrating a method of controlling an electronic product in a home network system according to the present invention.

Claims (15)

  1. A home server connected to the Internet to receive data, and transmitting a control signal for controlling a registered electronic product according to the data received through the Internet;
    A wireless signal transmitter for receiving the control signal from the home server and transmitting a wireless signal corresponding to the control signal to a corresponding electronic product according to the control signal; And
    Is connected between the electronic product controlled by the wireless signal transmitted from the wireless signal transmitting unit and a power supply unit which is located outside the electronic product for supplying power to the electronic product, is provided outside the electronic product, And a power sensing unit for sensing a current between the electronic product and the power supply unit and transmitting and feeding back state information including a result of determining a power state of the electronic product according to a result of sensing the current. Home network system.
  2. The method of claim 1, wherein the power detection unit
    A current sensing unit sensing a current flowing between the power supply unit and the electronic product;
    A state determination unit for determining a power state of the electronic product according to a result of sensing the current by the current detection unit; And
    And a status information transmitter for transmitting the status information including the result determined by the status determination unit.
  3. The home network system according to claim 1, wherein the power detecting unit sets a reference value for determining a power state of the electronic product through a predetermined learning.
  4. The home network system according to claim 1, wherein the power detection unit transmits the state information to the wireless signal transmission unit.
  5. The electronic device of claim 1, wherein the power detector sends the state information whenever a change in the power state of the electronic product is detected, and the state is changed at a predetermined cycle interval when the change in the power state of the electronic product is not detected. Home network system, characterized in that for transmitting information.
  6. The home network system as claimed in claim 1, wherein the status information includes identification information unique to the electronic product.
  7. A home server for transmitting a control signal for controlling a registered electronic product, a radio signal transmitter for transmitting a radio signal corresponding to the control signal according to a control signal of the home server, and a radio signal transmitted from the radio signal transmitter In the home network system including an electronic product that operates according to the electronic product and a power supply unit for supplying power to the electronic product located on the outside of the electronic product, is provided and used outside the electronic product In the power detection device,
    A current sensing unit sensing a current flowing between the power supply unit and the electronic product;
    A state determination unit for determining a power state of the electronic product according to a result of sensing the current by the current detection unit; And
    And a status information transmitter for transmitting the status information including the result determined by the status determination unit.
  8. 8. The power sensing apparatus of claim 7, wherein the state determining unit sets a reference value for determining a power state of the electronic product through a predetermined learning.
  9. 8. The power sensing device of claim 7, wherein the status information transmitter sends the status information to the wireless signal transmitter.
  10. 8. The power sensing device of claim 7, wherein the status information includes identification information unique to the electronic product.
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KR20070080854A 2007-08-10 2007-08-10 Home network system using feedback signal, power detecting apparatus therefor, and method therefor KR100959098B1 (en)

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US9685784B2 (en) 2009-11-26 2017-06-20 Lg Electronics Inc. Network system for a component
EP2514142B1 (en) 2009-12-17 2015-10-14 LG Electronics Inc. Network system and method of controlling network system
KR101881773B1 (en) * 2018-04-26 2018-07-25 주식회사 오성전자 Method for power balance used remote controller, and remote controller supporting the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040045658A (en) * 2002-11-25 2004-06-02 엘지전자 주식회사 Home network system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040045658A (en) * 2002-11-25 2004-06-02 엘지전자 주식회사 Home network system

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