KR101934728B1 - Communication apparatus and method using the LED - Google Patents

Communication apparatus and method using the LED Download PDF

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KR101934728B1
KR101934728B1 KR1020160027883A KR20160027883A KR101934728B1 KR 101934728 B1 KR101934728 B1 KR 101934728B1 KR 1020160027883 A KR1020160027883 A KR 1020160027883A KR 20160027883 A KR20160027883 A KR 20160027883A KR 101934728 B1 KR101934728 B1 KR 101934728B1
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data
communication
control
mobile terminal
look
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KR1020160027883A
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KR20170104885A (en
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장진
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장진
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/116—Visible light communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H04B10/1143—Bidirectional transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/502—LED transmitters
    • H05B37/0272—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Up table in which the communication data is stored in the LED module (illumination device), communication using the LED illumination is performed by transmitting only the minimum command code (e.g., address) capable of searching the look-up table in the terminal The present invention relates to a communication device using LEDs and a method thereof, and more particularly, to a communication device and a method thereof using a LED, which includes a look-up table including communication data and searches for the look-up table using received input data as an index, And a mobile terminal for generating communication data for communication with the lighting device according to an operation of a user and transmitting the data to the lighting device wirelessly, the lighting device implementing a communication device using LEDs, Extracts an address from the data, and searches the look-up table stored based on the extracted address to perform bidirectional communication.

Figure R1020160027883

Description

[0001] The present invention relates to a communication apparatus and method using the LED,

 [0001] The present invention relates to a communication apparatus and method using an LED (Light Emitting Diode), and more particularly to a communication apparatus and a method thereof that store a look-up table in which communication data is stored in an LED module The present invention relates to a communication apparatus and method using an LED that transmits only a minimum command code (for example, an address) in which an LED is illuminated.

A light emitting diode (LED), which is a semi-permanently usable light source, is excellent in energy saving effect compared to an existing light source, and has recently been widely used as a lighting device.

In particular, as the brightness (brightness) problem, which was the limit of lighting using LED devices, has been greatly improved in recent years, the application market is spreading throughout the industry, and the LED era is foreseen.

Recently, LED light is not limited to providing a light source, and efforts are being made to communicate and transmit sensibility using the light source.

The human vision feels good when you see good colors or pictures, but when you see dark colors or inconvenient pictures, you feel the opposite atmosphere. One of the things that can be easily seen through the eyes is through the lighting. Lighting can be used as an important tool for relieving the viewer's stress and emotions as well as music because LED can express various colors.

Conventional technologies for realizing communication or transmitting sensibility using LED illumination are disclosed in Patent Documents 1 to 5 below.

The prior art disclosed in Patent Document 1 parses and analyzes a short message received through a mobile communication network in a mobile terminal and transmits the emotion message generated according to the analysis result to the lighting device to express the emotion of the sender indirectly In addition, the emotion information can be generated by the user of the mobile terminal in the mobile terminal, and the emotion message can be expressed through the illumination device, thereby indirectly expressing the emotion of the user of the mobile terminal.

In addition, the prior art disclosed in Patent Document 2 includes a server for extracting an atmosphere for each section of music data and music, and then generating and transmitting illumination scenario data corresponding to the section atmosphere; A speaker unit for outputting music data transmitted from the server; And an illumination module that receives the illumination scenario data transmitted from the server and controls at least one of the colors of the illumination to correspond to the music data output from the speaker unit.

Through such a configuration, an emotional lighting system according to a music atmosphere is provided for automatically identifying the atmosphere of music and expressing the determined atmosphere using lighting.

In addition, the prior art disclosed in Patent Document 3 includes an environment recognition unit that receives measurement values from a plurality of sensing sensors for sensing an indoor environment and a resident's behavior, and constructs a measurement value as a vector (hereinafter referred to as an environmental vector); A control unit configured to construct a vector control command (hereinafter, referred to as a control vector) for controlling the illumination device, or a vector (hereinafter referred to as a state vector) for the illumination device state; A pattern storage unit for storing a pattern vector constituted by a range of measurement values and a control vector corresponding to the pattern vector; A pattern matching unit for determining whether or not the measurement values of the environmental vector are matched according to whether the measurement values are within the range of the pattern vector; And an illumination implementing unit for controlling the illumination device as a control vector of the pattern vector if the environment vector matches the pattern vector.

Through such a configuration, various elements such as the indoor environment and occupant behavior are vectorized and patterned on the basis thereof, thereby realizing emotional lighting easily and easily even in a complicated situation by controlling with predetermined illumination or learned illumination in various situations.

In addition, the prior art disclosed in Patent Document 4 collects and analyzes various basic information that can grasp characteristics of a user according to a lighting control mode input by a user, and then transmits an illumination control signal to a home network server. By controlling the lighting by automatically grasping the user's emotions (mood), the user can be provided with a psychological sense of security and emotional satisfaction. When the lighting is controlled according to the user's work schedule, the efficiency Maximize the real feeling and fun by controlling the lighting to be linked with the surrounding multimedia devices and intelligently adjust it according to the illuminance around the user, the movement of the user, the type of work performed by the user, etc., .

Finally, the prior art disclosed in Patent Document 5 discloses a central control device for LED lighting control, and this conventional technology is configured to control the brightness of the LED lighting and the intensity of RG B programmatically using communication. To provide emotional illumination for LED lighting.

Korean Patent Laid-Open Publication No. 10-2012-0064457 (published on June 19, 2012) (entitled "Method for expressing emotion through a lighting device in a mobile terminal) Korean Patent Laid-Open Publication No. 10-2012-0114757 (Oct. 17, 2012) (entitled: Emotional Lighting System According to Music Atmosphere and Method of Providing the Same) Korean Patent Laid-Open No. 10-2013-0072840 (titled "Pattern-based Emotional Lighting System") Korean Registered Patent No. 10-1353195 (Registered on January 13, 2013) (Name of invention: Lighting control method using mobile communication terminal) Korean Patent Laid-Open Publication No. 10-2013-0087272 (published on Aug. 20, 2013) (entitled: Central Control Device for LED Lighting Control)

However, it is impossible to use the illumination device itself as a communication device. However, when the lighting device is controlled using the terminal, the amount of data to be transmitted / received is large It takes a long time to transfer data and is complicated.

For example, in Reference 1, it is possible to express an emotion message using a lighting device, but it is not possible to use the lighting device itself as a communication device, and when a message using a lighting device is transferred, a message to be transferred between the terminal and the lighting device is converted into data Therefore, there is a disadvantage in that a large amount of data transmission / reception time is required and a large amount of power is wasted due to an increase in data to be transmitted / received.

In Reference 2, although it is possible to control various colors of illumination based on music data, it is impossible to use illumination as a communication device, and since all the illumination scenario data are received to control the color of illumination, As in the first aspect of the invention, there is a disadvantage in that a large amount of data transmission / reception time is required and a large amount of power is wasted due to an increase in data to be transmitted / received.

In Reference 3, it is possible to automatically control lighting devices based on environmental information, but it is also impossible to utilize the lighting device as a substitute for the communication device, and it is impossible to use the lighting device as a communication device, and the power consumption and data transmission / There are disadvantages.

According to Reference 4, lighting can be controlled according to the emotion of the user, but the illumination device can not be utilized as a communication device, and there is a disadvantage that power consumption and data transmission / reception are complicated due to an increase in transmission / reception data.

According to Reference 5, the brightness and color of the LED illumination can be automatically controlled according to the program, but the illumination device can not be used as a communication device.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a method and apparatus for storing a look-up table in which control data is stored in an LED module, And an object of the present invention is to provide a communication apparatus and method using an LED that transmits only an instruction code (e.g., an address) so that communication using the LED illumination is performed.

It is another object of the present invention to provide a communication apparatus and method using an LED that can transmit a message through the brightness and color of an LED illumination.

It is another object of the present invention to provide a communication apparatus and method using an LED that can control an LED lighting by using a mobile terminal as a remote control.

It is still another object of the present invention to provide a communication apparatus and method using an LED that can conveniently update a look-up table stored in an LED illumination using a mobile terminal.

According to an aspect of the present invention, there is provided a communication device using an LED, including a lighting device for searching for a look-up table stored in an index of received input data and performing communication.

Further, the communication device using the LED according to the present invention is characterized by including a mobile terminal for generating communication data for communication with the lighting device according to an operation of a user and transmitting the communication data to the lighting device wirelessly,

The illumination device extracts an address from the communication data transmitted from the mobile terminal, and searches the look-up table stored on the basis of the extracted address to perform bi-directional communication.

In the above, communication includes transmitting a message through the color and brightness of the light based on the received data, conveying the current state through blinking of the light, delivering the state information of the light, And receiving the data for updating.

In the above, data is transmitted / received between a mobile terminal and a lighting device by a defined data format in order to simplify the amount of data to be transmitted / received, and the data format includes an operand area in which head information is recorded; And an address area in which the command data is recorded.

The data format includes a user identification data format for user identification or function setting; A look-up table data format for look-up table search including communication data; A direct display data format for direct lighting control; Brightness control data format for brightness control; Audio data format for audio control; Audio volume control data format for audio volume control; Function setting data format for function setting; And a relational data format prepared for the preliminary data transfer.

The illumination device may include a wireless transceiver for exchanging information with the mobile terminal through short-range wireless communication; A power supply unit for supplying power to the illumination device; A controller for analyzing control data received from the wireless transceiver unit, generating a control command based on a look-up table, and controlling bidirectional communication with the mobile terminal; And a light emitting unit for controlling the brightness and color of the LED light according to the control of the control unit and performing communication by displaying information through blinking.

The control unit may include a command interpretation unit for interpreting a command received through the wireless transceiver unit; A look-up table storage unit for storing data in a look-up table form for data simplification and communication; A command generation unit for searching the look-up table storage unit based on an address interpreted by the instruction interpretation unit and generating a command for communication, illumination control, and sound control; And a light emission controller for performing communication through the color, brightness, and blinking of the LED illumination according to the command generated by the command generation unit.

The control unit sets a connection with the mobile terminal, controls communication to perform communication through a bidirectional channel, acquires status information of the lighting apparatus, and controls communication to transmit status information to the mobile terminal through the wireless transmission / And a control unit,

And the control unit includes a voice control unit for controlling the voice transmission through the speaker according to the voice control command generated by the command generation unit.

According to an aspect of the present invention, there is provided a communication method using an LED, the method comprising: (a) setting a bidirectional communication channel with a mobile terminal when a lighting device is powered on; (b) transmitting and receiving information to and from the mobile terminal, and checking a control state of the light emitting unit; (c) setting an information exchange method with the mobile terminal if the light emitting portion can be controlled; (d) extracting an address included in the control command data format when a control command is received from the mobile terminal; (e) searching for a look-up table stored on the basis of the extracted address information to generate communication data, and executing the generated communication data; (f) displaying an error message if the mobile terminal can not communicate with the mobile terminal or can not control the LED illumination.

The data format of step (d) includes a user confirmation data format for user confirmation or function setting; A look-up table data format for look-up table search including communication data; A direct display data format for direct lighting control; Brightness control data format for brightness control; Audio data format for audio control; Audio volume control data format for audio volume control; Function setting data format for function setting; And a relational data format prepared for the preliminary data transfer.

According to the present invention, a look-up table in which communication data is stored in an LED module (illumination apparatus) is transmitted, and only a minimum command code capable of searching for a look-up table in the terminal is transmitted, Data can be minimized, thereby preventing power waste, and LED lighting can be utilized as a communication device.

In addition, according to the present invention, LED light can be conveniently controlled by utilizing a mobile terminal as a remote control.

1 is a configuration diagram of a communication device using an LED according to a preferred embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the mobile terminal of FIG. 1;
FIG. 3 is a block diagram of an embodiment of the control unit of FIG.
4A to 4H are diagrams illustrating exemplary data formats transmitted and received between a mobile terminal and a lighting apparatus according to the present invention,
5 is a flowchart illustrating a communication method using an LED according to a preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a communication apparatus and method using an LED according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of a communication device using LEDs according to a preferred embodiment of the present invention.

The communication device using the LED according to the present invention includes a mobile terminal 100 and a plurality of lighting devices 200, 300, and 400.

Here, the reference numeral 200 denotes a first illumination device, the reference numeral 300 denotes a second illumination device, and the reference numeral 400 denotes a n-th illumination device, and the configuration and operation of each illumination device are the same, , And 200 will be described below.

The mobile terminal 100 generates communication data for communication with the lighting apparatus 200 according to a user's operation and transmits the generated communication data to the lighting apparatus 200 by radio. The mobile terminal 100 may be a smart phone, a personal digital assistant And can be implemented as a user terminal capable of wireless communication. In the present invention, the user terminal is regarded as a smartphone for convenience.

2, the mobile terminal 100 includes a short range wireless communication unit 101 for performing short range wireless communication with the lighting apparatus, an input unit 102 for receiving operation information and function selection of the user, A control unit 103 for generating a control command according to an input and transmitting the control command to the lighting apparatus 200 and controlling the display unit 103 to receive and display status information of the lighting apparatus 200, A display unit 105 for visually displaying status information of the illumination device output from the control unit 103 and a display unit 105 for displaying status information of the illumination device, And a control command generation unit 106 for generating corresponding control data and transmitting the generated control data to the control unit 103. [

Here, the short range wireless communication unit 101 preferably communicates with the lighting device 200 using short range wireless communication such as Wi-Fi, Bluetooth, and Zwave.

The lighting apparatus 200 performs a communication by searching the look-up table stored in the index with the received input data.

The illumination device 200 transmits and receives information through the wireless communication with the mobile terminal 100, extracts an address after receiving the control command transmitted from the mobile terminal 100, Up table, generates control commands, and performs communication based on the generated control commands. Here, the look-up table preferably includes control data for communication.

The lighting device 200 includes a wireless transceiver 210 for exchanging information with the mobile terminal 100 in short-range wireless communication; A power supply unit 240 for supplying power to the illumination device 200; A control unit 220 for analyzing control data received from the wireless transceiver unit 210, generating a control command based on a look-up table, and performing bi-directional communication with the mobile terminal 100; And a light emitting unit 230 for performing communication by controlling the brightness, color, and blinking of the LED lighting under the control of the controller 220.

Here, it is preferable that the wireless transceiver 210 wirelessly communicates with the mobile terminal 100 using a short-range wireless communication such as Wi-Fi, Bluetooth and Zwave. The power source 240 may be a commercial AC power source, It is preferable to supply the battery power as the driving power.

In addition, the lighting device 200 may further include a speaker for transmitting sound information.

As shown in FIG. 3, the control unit 220 includes a command interpretation unit 221 for interpreting a command received through the wireless transceiver unit 210; A look-up table storage section (222) in which communication data is stored in the form of a look-up table; A command generation unit 223 for searching the look-up table storage unit 222 based on an address interpreted by the command interpretation unit 221 to generate a command for communication control; A light emission control unit 225 for controlling the emission of the LED light according to the command generated by the command generation unit 223; The mobile terminal 100 establishes a connection with the mobile terminal 100, controls communication to perform communication through the bidirectional channel, acquires status information of the lighting apparatus, And a voice control unit 226 for controlling voice transmission through a speaker in accordance with the voice control command generated by the voice generation unit 223. The voice control unit 226 controls voice transmission through a speaker.

The operation of the communication device using the LED according to the present invention will now be described in detail.

First, the mobile terminal 100 and the lighting apparatus 200 transmit and receive information through bidirectional short-range wireless communication. It is desirable to use a wireless communication module, such as Wi-Fi, Bluetooth, Zwave, etc., which is already known, for short-range wireless communication. Way communication between the mobile terminal 100 and the illumination device 200 enables not only the illumination device 200 to be controlled using the mobile terminal 100 but also the illumination device 200 in the mobile terminal 100 through information exchange, It is also possible to check the status of the mobile terminal 200. In addition, it is possible to exchange information that can be mutually supported through bidirectional communication, and it is also possible to set an optimal information exchange method.

A user inputs a control command through the input unit 102 to perform communication with the lighting apparatus 200 or setting a function of the lighting apparatus 200 using the mobile terminal 100 as a smartphone.

The control command inputted by the user may be keyword type or pre-coded code information. Keyword input information or code input information is transmitted to the control command generation unit 106 through the control unit 103. [

The control command generation unit 106 searches the storage unit 104 using the inputted keyword information or code information as an index, and extracts control command data corresponding to the input information. The control command data thus extracted is transmitted to the control unit 103. [

The control unit 103 converts the transmitted control command data into a data format defined in advance for controlling the lighting apparatus 200 and transmits the data to the short-range wireless communication unit 101.

The predefined data format herein refers to a predefined data format for simplifying transmission / reception between the mobile terminal 100 and the lighting apparatus 200 and reducing transmission / reception data. When data is exchanged between the mobile terminal 100 and the lighting apparatus 200 by converting all the communication data for actual communication (illumination control command, communication data, look-up table update data, status reply data, etc.) The amount of data to be transmitted and received is increased, so that it is difficult to control in real time, and the communication time is also long, resulting in a lot of data loss and power waste.

Therefore, in order to solve various problems occurring in general data transmission and reception and to improve the accuracy of data transmission, the present invention defines a data format for transmitting and receiving commands in a simplified manner.

The data format of the present invention basically includes an operand area in which 4 bits of head information is recorded and an address area 00H to FFH in which 8 bits of address data or command data is recorded do. Here, the data amount for each area can be variably set.

By transmitting and receiving only the simplified command code between the mobile terminal 100 and the lighting apparatus 200, the data communication amount can be reduced, real-time control can be realized through this data format, .

4A to 4H are examples of data formats used in the present invention. The data format of the present invention is not limited to FIG. 4A to FIG. 4H, and various types of data may be exchanged between the mobile terminal 100 and the lighting apparatus 200 through the data format format specified in the present invention. Will be apparent to those skilled in the art.

4A is a user identification data format for a user ID code or function / data. The 4-bit operand is FH (11), and the 8-bit address data is FFH (12). Here, if the 4-bit operand is FH and the 8-bit data is 00H to FEH, it is recognized as a Reserved Function.

4B is a look-up table data format for look-up table search, which is an 0H operand area 21, and ADDR corresponds to an address area 22. Fig. The address is used to retrieve the communication data by searching the look-up table in the lighting device 200 in the future.

Here, the communication data may include, for example, transmitting a message through the color and brightness of the illumination based on the received data, conveying the current status through the flashing of the illumination, transmitting the status information of the illumination, And receiving data for updating the table. In addition to the above-mentioned communication data, an emergency can be informed by using illumination, or illumination can be used to include all information for a specific communication.

4C is a direct display data format for directly controlling illumination using the mobile terminal 100. 1H to 4H correspond to the operand area 31 and Data corresponds to the address area 32. [ The illumination data can be directly recorded in the address area.

4D is a brightness control data format for brightness control (R, G, B, W, All), in which 5H to 9H correspond to the operand area 41 and Data (00H to FFH) corresponds to the address area 42 . The brightness adjustment data can be recorded in the address area.

Fig. 4E shows an audio data format for audio control, in which 3H is the operand area 51 and Data (00H to FFH) is the address area 52. Fig. The audio control data can be recorded in the address area.

4F is an audio volume control data format for audio volume control. In FIG. 4H, 4H is an operand area 61 and Data (OOH to FFH) is an address area 62. FIG. Data for audio volume adjustment can be recorded in the address area.

FIG. 4G shows a function setting data format for function setting, in which CH to DH correspond to the operand area 71, and Functions corresponds to the address area 72. FIG. The function data can be recorded in the address area.

4H is a relational data format prepared for the preliminary data transmission, in which EH is the operand area 81 and Func / Comm / Data is the address area 82. New functions, command data, and the like can be recorded in the address area.

The control command data having the above-described data format is transmitted to the lighting apparatus 200 through the short-distance wireless communication unit 101. [

The wireless transmitting / receiving unit 210 of the lighting device 200 receives the information and transmits it to the control unit 220.

The command interpretation unit 221 of the control unit 220 reads out the operand information from the transmitted data format to distinguish which command it is and extracts only the data in the address area and transfers it to the command generation unit 223. [ The command generation unit 223 analyzes the data in the address area and searches the look-up table stored in the look-up table storage unit 222 with the index as an index if it is a look-up table search address, . Alternatively, the address data is analyzed to generate control command data suitable for direct illumination data or other function data.

The generated control command data is selectively transmitted to the communication control unit 224, the light emission control unit 225, and the voice control unit 226. For example, if the command is an illumination control command, the control command data is transmitted to the light emission control unit 225. If the command is a status information request, control command data is transmitted to the communication control unit 224, If it is a communication command for lighting, the control command data is transmitted to the light emission control unit 225 so that communication can be performed.

The light emission control unit 225 controls the light emitting unit 230 according to the transmitted control command data to control brightness, color, and blinking of the LED light. Here, emotional lighting can be implemented by adjusting the brightness and color of LED light. It is assumed that the color and brightness of LED lighting according to emotion are defined in advance.

In addition, the communication control unit 224 transmits the status information of the illumination device 200 collected in advance or sets a communication method for communicating with the mobile terminal 100 according to the status information transmission command data of the transmitted LED lighting apparatus .

In addition, the voice control unit 226 transmits the sound stored in advance to the speaker according to the transmitted sound control command data, or controls the volume of the sound transmitted to the speaker. BACKGROUND ART [0002] In recent LED lighting apparatuses, a speaker is included, and there is also a function of reproducing audio transmitted from a mobile terminal or a remote unit and transmitting the reproduced audio through a speaker through the speaker. Therefore, it is possible to easily control the sound or the sound volume which is simply transmitted through the sound control command.

The above function is a process of establishing a connection to the lighting device 200 in the mobile terminal 100 and transmitting a control command. It is also possible to establish a short-range wireless communication connection of the mobile terminal 100 and to transmit the status information of the lighting apparatus to the mobile terminal 100. [

Meanwhile, as another feature of the present invention, the lighting device 200 itself can be utilized as a communication terminal.

This enables communication data to be transmitted through LED lights in case of an emergency or emergency in accordance with a predefined process. The communication data of the emergency situation is transmitted to the lighting device by using the mobile terminal in another way, the communication data for the emergency situation is extracted by searching the look-up table based on the communication data received by the lighting device, , Off, blinking can be controlled to display data.

For example, communication is realized through the blinking of LED lights. An on / off timing signal generated when the LED illumination is blinking is received by the receiver and converted into data, so that it is possible to display an emergency situation or situation information to be notified through blinking. In addition, by flashing the LED illumination in the same manner as the Morse code, communication during an emergency situation can be implemented efficiently.

As described above, according to the present invention, when the control command data is transmitted from the mobile terminal to the lighting device, only the command code of the predetermined bit is transmitted to perform communication using the lighting device, lighting control, information conversion of the lighting device, status request, There is an advantage to be able to do.

5 is a flowchart illustrating a communication method using an LED according to an embodiment of the present invention. In step S, the controller 220 performs bidirectional communication with the mobile terminal 100 through a software flow, 230) according to an embodiment of the present invention.

(A) a step (S101 to S105) of setting a bi-directional communication channel with the mobile terminal 100 when the illumination device 200 is powered on; (b) performing information transmission / reception with the mobile terminal 100 and confirming a control state of the light emitting unit (S106 to S107); (c) setting an information exchange mode with the mobile terminal 100 if the light emitting unit can be controlled (S108); (d) extracting an address included in the control command data format (S109 to S110) when a control command is received from the mobile terminal 100; (e) searching the look-up table stored based on the extracted address information to generate communication data, and executing the generated communication data (S111 to S112); (f) displaying an error message if the mobile terminal 100 can not communicate with the mobile terminal 100 or can not control the LED illumination (S103).

A communication method using the LED according to the present invention will be described in detail as follows.

First, when the driving power is supplied through the power supply unit 240, the control unit 220 proceeds to step S102 and confirms whether or not the mobile terminal 100 can communicate with the mobile terminal. Here, the driving power source may be a commercially available AC power source or a built-in battery and battery power.

The communication availability can be confirmed by establishing a communication connection and transmitting / receiving signals by a polling method or other method.

If it is determined that the communication with the mobile terminal 100 is not performed, the flow advances to step S103 to display an error message. Here, the error message can be expressed by a flashing operation in which the illumination device is turned to red, and the light is turned off for 0.5 seconds and off for 0.5 seconds. The user can recognize that a communication failure has occurred.

If the mobile terminal 100 can normally communicate with the mobile terminal 100, the mobile terminal 100 proceeds to step S104 and transmits a wake-up signal to the mobile terminal 100. [ This is a ready signal used when the lighting apparatus 200 is activated earlier than the mobile terminal 100. [ If communication is normally established with the mobile terminal 100 and a communication connection is established first from the mobile terminal 100, the step S104 may be omitted.

Next, in step S105, a bidirectional channel is established with the mobile terminal 100, and the flow advances to step S106 to transmit and receive basic information. Here, the mobile terminal 100 and the lighting apparatus 200 transmit and receive information through bidirectional short-range wireless communication. It is desirable to use a wireless communication module, such as Wi-Fi, Bluetooth, Zwave, etc., which is already known, for short-range wireless communication. Way communication between the mobile terminal 100 and the illumination device 200 enables not only the illumination device 200 to be controlled using the mobile terminal 100 but also the illumination device 200 in the mobile terminal 100 through information exchange, It is also possible to check the status of the mobile terminal 200.

Next, the process goes to step S107 to check whether control of the LED illumination is possible. For example, it is possible to exchange mutually supportable information through bidirectional communication, so that it is possible to set an optimal information exchange method (Wi-Fi communication, Bluetooth communication, Zwave communication) in step S108.

In other words, it is checked whether there is a mutually-matched information exchange method, and if not, the process goes to step S103 and an error message indicating that information exchange is impossible is displayed. In addition, if there is a mutually matching information exchange method, the best method among the information exchange methods is set as the information exchange method.

Then, in a state where the mutual information exchange method is set, it is confirmed whether a control command is received in step S109. A user controls the lighting device 200 using the mobile terminal 100 as a smartphone or controls the setting of the function of the lighting device 200 or controls the inputting part 102 to communicate with the lighting device 200 Enter control command through

The control command inputted by the user may be keyword type or pre-coded code information. Keyword input information or code input information is transmitted to the control command generation unit 106 through the control unit 103. [ The control command generation unit 106 searches the storage unit 104 using the inputted keyword information or code information as an index, and extracts control command data corresponding to the input information. The control command data thus extracted is transmitted to the control unit 103. [ The control unit 103 converts the transmitted control command data into a data format defined in advance for controlling the lighting apparatus 200 and transmits the data to the short-range wireless communication unit 101.

Here, the predefined data format refers to a predefined data format for simplifying the transmission / reception data between the mobile terminal 100 and the lighting apparatus 200. If data is transmitted and received between the mobile terminal 100 and the lighting apparatus 200 by converting all of the communication data for communication with the actual lighting apparatus into data, the amount of data transmission / reception increases and real time control becomes difficult, and the communication time becomes long, Power consumption, and the like.

Therefore, in order to solve various problems occurring in general data transmission and reception and to improve the accuracy of data transmission, the present invention defines a data format for transmitting and receiving commands in a simplified manner.

The data format of the present invention basically includes an operand area in which 4 bits of head information is recorded and an address area 00H to FFH in which 8 bits of address data or command data is recorded do. Here, the data amount for each area can be variably set.

By transmitting and receiving only the simplified command code between the mobile terminal 100 and the lighting apparatus 200, the data communication amount can be reduced, real-time control can be realized through this data format, .

4A to 4H are examples of data formats used in the present invention. The data format of the present invention is not limited to FIG. 4A to FIG. 4H, and various types of data may be exchanged between the mobile terminal 100 and the lighting apparatus 200 through the data format format specified in the present invention. Will be apparent to those skilled in the art.

If the control command is received in step S109, the command interpreter 221 reads out the operand information from the transmitted data format, distinguishes which command is the command, extracts only the data in the address area, 223).

Then, in step S111, the command generation unit 223 analyzes the data in the address area and, if the address is a look-up table search address, searches the look-up table stored in the look-up table storage unit 222, The control command data is extracted. Alternatively, the address data is analyzed to generate control command data suitable for direct illumination data or other function data.

The generated control command data is selectively transmitted to the communication control unit 224, the light emission control unit 225, and the voice control unit 226 in step S112. For example, if the command is an illumination control command, the control command data is transmitted to the light emission control unit 225. If the command is a status information request, control command data is transmitted to the communication control unit 224,

The light emission control unit 225 controls the light emitting unit 230 according to the control command data to control the brightness and color of the LED light. Here, emotional lighting can be implemented by adjusting the brightness and color of LED light. It is assumed that the color and brightness of LED lighting according to emotion are defined in advance.

In addition, the communication control unit 224 transmits the status information of the illumination device 200 collected in advance or sets a communication method for communicating with the mobile terminal 100 according to the status information transmission command data of the transmitted LED lighting apparatus .

In addition, the voice control unit 226 transmits the sound stored in advance to the speaker according to the transmitted sound control command data, or controls the volume of the sound transmitted to the speaker. BACKGROUND ART [0002] In recent LED lighting apparatuses, a speaker is included, and there is also a function of reproducing audio transmitted from a mobile terminal or a remote unit and transmitting the reproduced audio through a speaker through the speaker. Therefore, it is possible to easily control the sound or the sound volume which is simply transmitted through the sound control command.

The above function is a process of establishing a connection to the lighting device 200 in the mobile terminal 100 and transmitting a control command. It is also possible to establish a short-range wireless communication connection of the mobile terminal 100 and to transmit the status information of the lighting apparatus to the mobile terminal 100. [

It is also possible to use the lighting device 200 alone as an independent communication device. This enables communication data to be transmitted through LED lights in case of an emergency or emergency in accordance with a predefined process. The communication data of the emergency situation is transmitted to the lighting device by using the mobile terminal in another way, the communication data for the emergency situation is extracted by searching the look-up table based on the communication data received by the lighting device, , Off, blinking can be controlled to display data.

As described above, according to the present invention, when the control command data is transmitted from the mobile terminal to the lighting device, only the command code of a predetermined bit is transmitted to thereby control the emotion of the lighting device, There are advantages.

Although the present invention has been described in detail with reference to the above embodiments, it is needless to say that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the spirit of the present invention.

The present invention is applied to a technique for communicating between a mobile terminal and a lighting device via a bidirectional channel and transmitting and receiving a simplified command code to simplify transmission / reception data.

100: mobile terminal
101: Local area wireless communication unit
103:
104:
106: Control command generation unit
200: Lighting device (first lighting device)
210: wireless transmitting /
220:
221: Instruction interpreter
222: Look-up table storage unit
223:
224:
225:
226:
230:
240:

Claims (10)

An apparatus for implementing communication using an LED,
An illuminator that incorporates a look-up table including communication data, searches for the look-up table using the received input data as an index, and performs communication;
And a mobile terminal for generating communication data for communication with the lighting device according to an operation of a user and transmitting the communication data to the lighting device wirelessly,
The illumination device extracts an address from the received input data, searches the stored look-up table based on the extracted address, and performs bidirectional communication,
Wherein the address is at least one of index information for searching the look-up table, control data for controlling LED lighting, or function data for performing a specific function,
The mobile terminal transmits and receives data according to a defined data format to simplify the amount of data to be transmitted and received between the mobile terminal and the illuminating device, the data format including an operand area in which head information is recorded; And an address area in which an address is recorded.
delete The method of claim 1, wherein the communication comprises: delivering a message over the color and brightness of the light based on the received data; conveying the current status through the blinking of the lights; - receiving data for up-table updating, and displaying the emergency situation through illumination.
delete The method of claim 1, wherein the data format comprises: a user identification data format for user identification or function setting; A look-up table data format for look-up table search including communication data; A direct display data format for direct lighting control; Brightness control data format for brightness control; Audio data format for audio control; Audio volume control data format for audio volume control; Function setting data format for function setting; And a relational data format prepared for the preliminary data transmission.
[2] The apparatus of claim 1, wherein the illumination device comprises: a wireless transceiver for exchanging information in short-range wireless communication with the mobile terminal; A power supply unit for supplying power to the illumination device; A controller for analyzing control data received from the wireless transceiver unit, generating a control command based on a look-up table, and controlling bidirectional communication with the mobile terminal; And a light emitting unit for adjusting the brightness and color of the LED light according to the control of the controller and performing communication by displaying information through blinking.
The control unit may include a command interpretation unit for interpreting a command received through the wireless transceiver unit; A look-up table storage unit for storing data in a look-up table form for data simplification and communication; A command generation unit for searching the look-up table storage unit based on an address interpreted by the instruction interpretation unit and generating a command for communication, illumination control, and sound control; And a light emission control unit for performing communication through the color, brightness, and blinking of the LED light according to the command generated by the command generation unit.
The control unit sets a connection with the mobile terminal, controls communication to perform communication via the bidirectional channel, acquires status information of the illuminator, and transmits status information to the mobile terminal through the wireless transceiver A communication control unit for controlling the communication; And a voice controller for controlling voice transmission through a speaker according to the voice control command generated by the voice command generator.
A communication method using an LED,
(a) setting a bidirectional communication channel with the mobile terminal when the illumination device is powered on;
(b) transmitting and receiving information to and from the mobile terminal, and checking a control state of the light emitting unit;
(c) setting an information exchange method with the mobile terminal if the light emitting portion can be controlled;
(d) extracting an address included in the control command data format when a control command is received from the mobile terminal;
(e) searching for a look-up table stored on the basis of the extracted address information to generate communication data, and executing the generated communication data; And
(f) displaying an error message if the mobile terminal can not communicate with or can not control the LED illumination,
The address of step (d) is at least one of index information for searching the look-up table, control data for controlling LED lighting, or function data for performing a specific function,
The data format of step (d) may include a user identification data format for user identification or function setting; A look-up table data format for look-up table search including communication data; A direct display data format for direct lighting control; Brightness control data format for brightness control; Audio data format for audio control; Audio volume control data format for audio volume control; Function setting data format for function setting; And a relational data format prepared for the preliminary data transmission.




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KR1020160027883A 2016-03-08 2016-03-08 Communication apparatus and method using the LED KR101934728B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20120064457A (en) 2010-12-09 2012-06-19 정구민 Method for expressing emotion by lighting apparatus in mobile terminal
KR20120114757A (en) 2011-04-08 2012-10-17 금오공과대학교 산학협력단 Mood light system of music mood and the method
KR101332750B1 (en) 2011-12-22 2013-11-28 김동한 A pattern-based intelligence sesibility lighting system
KR101353195B1 (en) 2011-12-26 2014-01-20 세명대학교 산학협력단 Method for Lighting Control using Mobile Device
KR20130087272A (en) 2012-01-27 2013-08-06 남경 주식회사 Led light controlling device
WO2014058082A1 (en) * 2012-10-09 2014-04-17 늘솜주식회사 Led lighting control system
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