KR100435993B1 - Electric light control module for home network and control method thereof - Google Patents

Abstract

The present invention relates to a light control module and a control method, comprising: a wireless communication unit for two-way wireless communication with a home server, a light control unit for controlling on / off of power applied to a light, a communication function of the wireless communication unit, a power control unit of a light control unit A processor unit for processing each process data including a control function, a module ID storage function, a previous state storage function, a memory for storing the previous state information and communication information data, and a power supply unit for supplying power to the respective devices. It is characterized in that the configuration.

According to the present invention, by providing a bidirectional control system and method between the home server and the light control module, more stable and reliable light control is possible.

Description

Electric light control module for home network and control method

The present invention relates to a light control module and a control method, and more particularly, to provide a light control module and a control method for a home network for controlling lights among various clients of a home network system.

With the development of the current network technology, the network can be implemented not only in the office but also in the home. This is called a home network and refers to a system that can control home products using electric energy through a home server.

Conventional home wireless light control device may be a utility model registration application No. 2001-8309, which is simply for one-way light control using a wireless remote control, the specific signal due to key input of the remote control to the infrared signal The control code is returned to enable the flashing control of the lights. In this case, since the infrared light of the remote controller is used, there is a problem that the lights placed in the place where the infrared light cannot reach cannot be controlled, and the data transmission and reception are unilateral. Due to this, there was a problem in that it was difficult to provide reliability for light control.

In addition, there is a patent application No. 194-11223 as a light control device in a home automation system, which is a home automation lighting control method and a device for remotely controlling a lighting device in a household and a reservation control using a timer means. The present invention relates to a lighting device installed inside and outside the household by eliminating unnecessary power loss by controlling the time reservation through a timer means and control of a CO line at a remote location, extending the use time of the lighting device, and Remote control and time reservation control provide the effect of being excluded from the risk of theft. However, the patent application No. 1994-11223, when the user approaches the home via telephone from a remote place using the existing telephone line to guide the current state only for the lighting control device is already installed, according to the user's command input In order to control the lighting, there is a problem in that a separate installation process is required and a cost is increased to register a new controlled device, which is a limitation to apply the system to all controlled devices in home networking. There was.

The present invention is to solve the above problems, and provides a bidirectional control system and method between the home server and the light control module in the conventional unidirectional control of the light control, and put different channel frequency in wireless communication to different home It is possible to avoid the duplication of communication signals with the network system, and it is safer than using the existing house code or other codes, and the lamp for the home network to control the light among various clients of the home network system that can be inexpensively constructed. It is an object to provide a control module and a control method.

1 is a block diagram schematically showing a light control module for a home network according to the present invention.

2 is a flow chart briefly showing the operation of the home server according to the present invention.

FIG. 3 is a flowchart schematically illustrating an initial operation for wireless communication including a relationship between a home server, a light control module, and a remote controller in the registration process of the controlled device described with reference to FIG. 2.

4 is a diagram illustrating a recovery process after an accident occurs in a light control operation of the home server.

FIG. 5 is a view illustrating a recovery process after an accident occurs in a light control operation of the light control module.

6 shows a radio signal frame of the home server described above.

Explanation of the main symbols in the drawings

100: power supply unit 110: wireless communication unit

120: light control unit 130: processor unit

140: memory

The present invention has been made to achieve the above object, in the light control system of a home network, a wireless communication unit for two-way wireless communication with a home server, a light control unit for controlling the on / off of power applied to the light, A processor unit for processing each process data including a communication function of the wireless communication unit, a power control function of the light control unit, a module ID storage function, a previous state storage function, a memory for storing previous state information and communication information data, and each of A power supply for supplying power to the device, characterized in that it comprises a power supply, the home network lamp control method, the home server to scan the available frequency to establish a communication channel, the home server remote control as the communication channel Or transmitting a wireless beacon signal to the light control module, the remote control or the light control module Setting a wireless communication channel according to a wireless beacon signal of the home server, and when the home server transmits a light control command frame, the light control module performs light control according to the command of the home server, and as a result, And transmitting the current status information to the home server.

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

1 is a block diagram schematically showing a light control module for a home network according to the present invention.

As shown in FIG. 1, a light control module for a home network according to the present invention includes a power supply unit 100, a wireless communication unit 110 for wireless communication with a home network system, and a light control unit 120 for controlling on / off of power applied to a light. And a processor unit 130 for processing each process data including a communication function of the wireless communication unit, a power control function of a light control unit, a module ID storage function, a previous state storage function, and the previous state information and communication information data. It is configured to include a memory 140 for storing. Here, the memory uses a nonvolatile memory in which data is not deleted even in a sudden situation.

Through this configuration, the light control module receives the wireless signal of the home server or the remote control through the wireless communication unit 110 and transmits the control state of the light to the home server or the wireless remote control, and the light control command signal is received from the home server or the remote control. When received, the light control is performed through the light control unit 120 according to the received command, and transmits the control state according to the light control to the home server or the remote control.

When the user operates the light switch, the light control module performs the light control according to the switch operation state, and transmits the controlled state to the home server or the remote controller within a predetermined time.

In addition, the light control module stores the last control state in the nonvolatile memory 140 when external power does not flow, and when the power is applied again, performs the light control to the previous control state and changes the control state accordingly to the home server or the remote controller. To transmit.

In this case, the processor 130 performs control and transmission / reception data processing of each device required in the above process.

Here, the protocol used for wireless data transmission and reception of the lamp home server and the lamp control module or the remote control according to the present invention will be described as follows.

1. Wireless Beacon Signal (Beacon): A signal periodically transmitted from the home server to determine the reception state of the remote control or the light control module, the wireless remote control or light control module receives the beacon signal of the home server to which it belongs The ID and channel will be determined.

2. Home server broadcasting signal (Broadcasting): A signal transmitted to a specific light control module or a remote controller within a predetermined time interval after the wireless beacon signal, and mainly transmits a status signal to each light control module and the remote control or to the entire control module. .

3. Remote control or light control module response signal (ACK): A signal that responds to the home server with a status signal or a state after light control with respect to the broadcast signal of the home server, and the response signal is within a given time after the broadcast signal of the home server. If the home server does not receive this response signal, it is regarded as a transmission error.

4. Home server transmission request signal: The remote control or light control module can request the home server to transmit the necessary information. Thus, the remote control or the light control module requests the home server to transmit the necessary data. In addition, since the request signal can be requested by several remote controllers or light control modules simultaneously to the home server, if the response to the transmission request is not within a given time, the request signal is re-transmitted after a predetermined time. In this case, the configuration may define a retransmission method.

2 is a flow chart briefly showing the operation of the home server according to the present invention.

First, the home server switches to a reception mode 200 to set a channel (wireless communication frequency) for wireless communication at first driving, and scans the available wireless communication operating frequency (201). When the operating frequency is found (202), the home server transmits a wireless beacon signal toward the remote controller or the light control module (203), and then transmits a broadcast signal (204). Then, the control unit 205 switches to the reception mode again (205) and checks the response signal received from the remote controller or the light control module that has received the broadcast signal. At this time, if there is a registration request of the controlled device from the remote controller or the light control module, the registration is performed. If the registration permission or notification is notified by determining whether the registration is possible, information on the controlled device is stored (206, 207).

FIG. 3 is a flowchart schematically illustrating an initial operation for wireless communication including a relationship between a home server, a light control module, and a remote controller in the registration process of the controlled device described with reference to FIG. 2.

Initially, the home server can operate several home servers within the same operating range. Therefore, the home server performs only a receiving operation for a few seconds after the initialization operation to check whether a beacon signal exists in the vicinity, and if the beacon signal exists, at the frequency of the beacon signal. Change the transmit / receive frequency. After the transmission / reception frequency change, the reception operation confirms the existence of another home server. When the transmission and reception frequency is determined, the wireless beacon signal is transmitted at the predetermined frequency, and if there is no excess transmission and reception frequency, the transmission and reception frequency shortage error is displayed.

At this time, the light control module and the remote control scan the frequency with the beacon signal to set the frequency of the searched beacon signal to a wireless transmission and reception frequency and requests the light equipment registration to the home server using the set frequency (300). Then, when the registration acceptance message from the home server is transmitted (310), the light control module or the remote controller displays the registration acceptance status, and transmits the equipment information and registration permission message to the home server (320). The home server then stores the transmitted device information in a cookie. Here, when registration is rejected from the home server, the lamp control module or the remote controller scans frequencies with other wireless beacon signals and requests registration again.

After the initial communication environment, the home server uses a broadcast signal when transmitting control signals to the lights and the remote control, and the remote control or the light control module transmits a response signal within a predetermined time with respect to the control signal.

The remote controller or the light control module may transmit a transmission request signal to a home server, and the home server transmits a response signal and data to the broadcast signal in response to the request signal. In this case, the remote controller or the light control module may transmit the transmission request signal to the home server again after a predetermined time interval when the transmission request fails.

4 is a diagram illustrating a recovery process after an accident occurs in a light control operation of the home server.

If the home network's light control system stops due to an unexpected situation such as a power outage or interruption of power supply, the home server reads the previous channel information and status information from the memory and checks the previous status. 400.

If recovery to the previous state is required (401), after checking whether the previous state can be restored, the system recovers the previous state channel and displays the selected channel (402 to 405).

However, if no recovery is necessary in this step (401), or if recovery is impossible (403), a new channel is found, changed into a searched available channel, and the selected channel is stored and displayed in memory (406 to 408). .

Through this process, if an environment for light control in the home network is established after an accident, a timer interrupt is called. This timer interrupt refers to a routine for controlling the transmission of the beacon signal and the broadcast signal as well as the transmission of the command frame or other information data sent to the remote controller or the light control module.

When the wireless communication environment is established, the home server converts the transmission command to the remote control or the light control module after converting to the transmission mode (420) and transmits a beacon signal, a broadcast signal, etc. repeatedly checking the communication environment. (422, 423), converts to a receive mode to receive a response signal (424), or transmits a command frame to send to the remote control or the light control module, and converts to a receive mode to receive the response signal (425) To 427).

After transmitting each signal according to the transmission mode and converting to the reception mode, the home server proceeds to perform a command frame received from the remote controller or the light control module, in which case the frame receiving routine is called (409). The frame receiving routine is a routine for interpreting a command frame received from the remote controller or the light control module. When a frame is received (430), the frame check routine is first checked for validity (431), and the frame command is interpreted. Patch (432,433).

Then, the home server again interprets the frame command of the light control module interpreted and patched in the frame receiving routine and performs accordingly (410 to 412).

FIG. 5 is a view illustrating a recovery process after an accident occurs in a light control operation of the light control module.

If the home network's light control system is shut down due to an unexpected situation such as a power outage or interruption of power supply, the light control module checks the previous state by reading the channel information and status information before the accident from the memory. (500).

Then, the beacon signal of the home server is checked (501) and if the channel is not necessary to be restored to the previous channel (502, 503), if the channel is needed to change the channel of the beacon signal is selected and stored in the memory ( 504,505,503).

Through this process, if the environment for light control in the home network is established after a sudden situation, the timer interrupt is called. Unlike the home server, the light control module does not generate beacon signals or broadcast signals. The routine for transmitting the information data is performed (520 to 523).

In addition, the frame receiving routine for receiving a frame transmitted from the home server is called (506), wherein the received frame includes a beacon signal, a broadcast signal, a response signal, and a command frame of the home server. The command patch process (530 to 533) is the same as the frame receiving process of the home server, it is possible to change the timer interrupt setting according to the beacon signal of the home server (507,508), and to interpret the command received with the broadcast signal ( 509,510).

Then, the light control module again interprets the frame command of the home server, which has been analyzed and patched in the frame receiving routine, and performs accordingly (511 to 513).

6 shows a radio signal frame of the home server described above, in which a beacon signal is first placed, followed by a broadcast signal, each command frame, and a response signal.

As described above, the present invention enables complementary light control through wireless two-way communication between the home server and the light control module. Embodiments using the present invention based on the technical idea are described. I will not go beyond the idea.

According to the present invention described above, by providing a bidirectional control system and method between the home server and the light control module in the conventional unidirectional control of the light control has an effect that can be more stable and reliable light control.

In addition, it is possible to avoid duplication of communication signals with other home network systems by placing several channel frequencies in wireless communication, and it is safer than existing house codes or other codes, and the system can be inexpensively constructed. There is.

In addition, since the current state information is stored in the nonvolatile memory, the system can be restored to the previous state even when the system is restarted, thereby providing stability of the system.

Claims (5)

delete In the lighting control method of the home network, Establishing a communication channel by scanning a usable frequency of the home server; A home server transmitting a wireless beacon signal to a remote controller or a light control module through the communication channel; Establishing a wireless communication channel by a remote controller or a light control module according to a wireless beacon signal of the home server; And And when the home server transmits a light control command frame, performing the light control according to the command of the home server, and transmitting the result and current state information to the home server. Light control method for home network which is made. The method of claim 2, wherein the step of transmitting the current state information of the light control to the home server by the light control module, If the light control is made manually, updating the current state of the changed light control and transmitting to the home server; And And a home server receiving the current state information of the light control updated and transmitted from the light control module and updating the current light control state information. The light control method of claim 2 or 3, wherein the home server and the light control module store current light control state information generated at each step in a nonvolatile memory. The method according to claim 2 or 3, wherein the home server and the light control module to establish a communication channel, Reading the previous state information stored in the memory and comparing it with the currently available channel; And Restoring the previous state if the previous state channel and the currently available channel are the same, and updating the previous state information to the currently available channel if the previous state channel and the currently available channel are different. How to control lights for your network.