CN109525313B - Visible light communication system and method - Google Patents

Visible light communication system and method Download PDF

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Publication number
CN109525313B
CN109525313B CN201811108214.5A CN201811108214A CN109525313B CN 109525313 B CN109525313 B CN 109525313B CN 201811108214 A CN201811108214 A CN 201811108214A CN 109525313 B CN109525313 B CN 109525313B
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China
Prior art keywords
visible light
light communication
communication
socket
level
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CN201811108214.5A
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CN109525313A (en
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邬东强
王钧彝
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邬东强
王钧彝
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Priority to CN201811108214.5A priority Critical patent/CN109525313B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114Indoor or close-range type systems
    • H04B10/116Visible light communication
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27Arrangements for networking

Abstract

The invention discloses a visible light communication system and a method. Wherein the system comprises: the visible light communication equipment of each level is connected with the main node communication equipment in visible light communication or connected with the visible light communication slave node socket of the upper level, and the visible light communication slave node socket of each level is connected with the main node communication equipment in visible light communication or connected with the visible light communication slave node socket of the upper level; the master node communication equipment is a visible light communication master node socket or a visible light communication socket. The visible light communication system and the method provided by the invention can avoid the interference and the time delay of wireless communication and improve the reliability of communication.

Description

Visible light communication system and method
Technical Field
The invention relates to the technical field of communication, in particular to a visible light communication system and a visible light communication method.
Background
The intelligent household electrical appliance is embodied in an internet of things manner under the influence of the internet, and various intelligent household electrical appliances in a house are connected together through the internet of things technology so as to realize multiple functions of remote control and the like of the intelligent appliance.
With the development of wireless communication technology, various wireless communication modes, such as bluetooth, wifi, zigbee, 4G, etc., have been used to construct communication systems of intelligent home appliances. Under intelligent house environment, because the object such as wall body and furniture blockked easily to the radio communication in the indoor environment, need increase the power of communication in order to ensure radio communication, and too high power leads to radio communication's interference between the intelligent household electrical appliances equipment again easily, when having a plurality of intelligent household electrical appliances to communicate, needs the long time to carry out the networking search.
Therefore, it is an important issue to be solved in the industry how to provide a communication system for an intelligent home appliance, which can avoid interference and delay of wireless communication and improve communication reliability of the intelligent home appliance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a visible light communication system and a visible light communication method.
In one aspect, the present invention provides a visible light communication system, including a master node communication device and at least one stage of visible light communication device, wherein:
each level of visible light communication equipment comprises at least one intelligent household appliance equipment and/or visible light communication slave node socket, the intelligent household appliance equipment included in each level of visible light communication equipment is in visible light communication connection with the master node communication equipment or in visible light communication connection with the previous level of visible light communication slave node socket, and the visible light communication slave node socket included in each level of visible light communication equipment is in visible light communication connection with the master node communication equipment or in visible light communication connection with the previous level of visible light communication slave node socket; the master node communication equipment is a visible light communication master node socket or a visible light communication socket.
The plug is connected with the first socket body through a first connecting wire, the first transformer and the first visible light communication module are arranged in the first socket body, the first transformer is connected with the first visible light communication module, and the first transformer is used for converting mains supply voltage into working voltage of the first visible light communication module;
the first visible light communication module comprises at least one first visible light transceiving unit and a first visible light protocol processing unit, the first visible light protocol processing unit is respectively connected with each first visible light transceiving unit, at least one first jack is arranged on the first socket body, each first jack is correspondingly provided with a first visible light communication hole, the first visible light transceiving units are in one-to-one correspondence with the first visible light communication holes, a first visible light communication cable is arranged between each first visible light communication hole and the corresponding first visible light transceiving unit and is used for transmitting visible light signals, visible light communication connection between the first visible light communication module and first-level visible light communication equipment is realized, and each first visible light communication cable is fixedly arranged in the first socket body, one end of each first visible light communication cable is inserted into the corresponding first visible light communication hole.
The visible light communication socket comprises a socket main body, a second transformer and a second visible light communication module, wherein the second transformer and the second visible light communication module are arranged in the socket main body, the second transformer is connected with the second visible light communication module, and the second transformer is used for converting mains supply voltage into working voltage of the second visible light communication module;
the second visible light communication module comprises at least one second visible light transceiving unit and a second visible light protocol processing unit, the second visible light protocol processing unit is connected with each second visible light transceiving unit, at least one second jack is arranged on the socket main body, each second jack is correspondingly provided with a second visible light communication hole, the second visible light transceiving units correspond to the second visible light communication holes one by one, a second visible light communication cable is arranged between the second visible light communication hole and the corresponding second visible light transceiving unit, the second visible light communication cables are used for transmitting visible light signals, visible light communication connection between the second visible light communication module and the first-level visible light communication device is achieved, each second visible light communication cable is fixedly arranged in the socket main body, and one end of each second visible light communication cable is inserted into the corresponding second visible light communication hole.
The intelligent household appliance comprises a third visible light communication module and a first visible light communication plug, the first visible light communication plug connects the intelligent household appliance to the mains supply through a second connecting line, the third visible light communication module comprises a third visible light transceiving unit and a third visible light protocol processing unit, the third visible light transceiving unit is connected with the third visible light protocol processing unit, a third visible light communication hole is formed in one side, provided with a pin, of the first visible light communication plug, a third visible light communication cable is arranged between the third visible light communication hole and the third visible light transceiving unit and used for transmitting visible light signals, and visible light communication connection of the third visible light communication module and the master node communication device or the upper-level visible light communication slave node is achieved, one end of the third visible light communication cable is inserted into the third visible light communication hole.
The visible light communication slave node power strip comprises a second visible light communication plug, a second socket body, a third transformer and a fourth visible light communication module, the second visible light communication plug is connected with the second socket body through a third connecting line, the third transformer and the fourth visible light communication module are arranged in the second socket body, the third transformer is connected with the fourth visible light communication module, and the third transformer is used for converting mains supply voltage into working voltage of the fourth visible light communication module;
a fifth visible light communication hole is formed in one side, where the plug pin is arranged, of the second visible light communication plug, a fourth visible light communication cable is arranged between the fifth visible light communication hole and a corresponding fourth visible light transceiving unit, the fourth visible light communication cable is used for transmitting a visible light signal, so that visible light communication connection between the fourth visible light communication module and the master node communication device or the visible light communication slave node at the upper stage is realized, and one end of the fourth visible light communication cable is inserted into the fifth visible light communication hole;
the fourth visible light communication module comprises a plurality of fourth visible light transceiving units and a fourth visible light protocol processing unit, the fourth visible light protocol processing unit is respectively connected with each fourth visible light transceiving unit, the second socket body is provided with at least one third jack, each third jack is correspondingly provided with a fourth visible light communication hole, one fourth visible light transceiving unit corresponds to the fifth visible light communication hole, the rest fourth visible light transceiving units correspond to the fourth visible light communication holes one by one, a fifth visible light communication cable is arranged between each fourth visible light communication hole and the corresponding fourth visible light transceiving unit and is used for transmitting visible light signals, and visible light communication connection between the fourth visible light communication module and next-stage visible light communication equipment is realized, each of the fifth visible light communication cables is fixedly arranged in the second socket body, and one end of each of the fifth visible light communication cables is inserted into the corresponding fourth visible light communication hole.
The main node communication equipment comprises a processor and an additional function module, wherein the processor is connected with the additional function module.
The additional function module is a relay, and the relay is used for controlling the connection and disconnection of the main node communication equipment and a mains supply.
The additional function module is a communication unit, and the communication unit is used for realizing wired or wireless communication.
In another aspect, the present invention provides a visible light communication method using the visible light communication system according to any of the above embodiments, including:
the main node communication equipment respectively sends corresponding initial package messages to each visible light communication equipment in the first-level visible light communication equipment; the start packet message corresponding to each visible light communication device in the first-level visible light communication device comprises a communication address of the main node communication device, a first communication address and time division information/frequency division information corresponding to the first communication address;
after each visible light communication device in the first-level visible light communication device receives the corresponding initial packet message, taking the first communication address as a local communication address, and returning a corresponding first receiving confirmation message to the master node communication device according to the communication address of the master node communication device and the time division information/frequency division information corresponding to the first communication address;
and the master node communication equipment receives a first receiving confirmation message corresponding to the visible light communication equipment in the first-level visible light communication equipment, and then completes pairing of the visible light communication equipment corresponding to the first receiving confirmation message.
Wherein the visible light communication method further comprises:
after completing pairing with the master node communication equipment or the upper-level visible light communication slave node socket, the visible light communication slave node socket respectively sends corresponding lower-level packet messages to each visible light communication equipment in the lower-level visible light communication equipment; the next-level packet message corresponding to each visible light communication device in the next-level visible light communication devices comprises a communication address of the visible light communication slave node socket, a second communication address and time division information/frequency division information corresponding to the second communication address;
after each visible light communication device in the next-level visible light communication device receives the corresponding next-level packet message, taking the second communication address as a local communication address, and returning a corresponding second confirmation receiving message to the visible light communication slave node socket according to the communication address of the visible light communication slave node socket and the time division information/frequency division information corresponding to the second communication address;
and the visible light communication slave node socket receives a second receiving confirmation message corresponding to the visible light communication equipment in the next-level visible light communication equipment, and then completes the pairing of the visible light communication equipment corresponding to the second receiving confirmation message.
The visible light communication system and the method provided by the invention comprise main node communication equipment and at least one stage of visible light communication equipment, wherein each stage of visible light communication equipment comprises at least one intelligent household appliance equipment and/or visible light communication slave node socket, the intelligent household appliance equipment included in each stage of visible light communication equipment is in visible light communication connection with the main node communication equipment or in visible light communication connection with the upper stage of visible light communication slave node socket, the visible light communication slave node socket included in each stage of visible light communication equipment is in visible light communication connection with the main node communication equipment or in visible light communication connection with the upper stage of visible light communication slave node socket, the interference and the time delay of wireless communication can be avoided, and the reliability of communication is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a visible light communication system according to an embodiment of the present invention;
fig. 2a is a schematic structural diagram of a master node strip for visible light communication according to an embodiment of the present invention;
fig. 2b is a schematic structural diagram of a visible light communication master node strip according to another embodiment of the present invention;
fig. 3a is a schematic structural diagram of a visible light communication socket according to an embodiment of the present invention;
fig. 3b is a schematic structural diagram of a visible light communication socket according to another embodiment of the present invention;
fig. 4a is a schematic structural diagram of an intelligent home appliance according to an embodiment of the present invention;
fig. 4b is a schematic structural diagram of an intelligent home appliance according to another embodiment of the present invention;
fig. 5a is a schematic structural diagram of a slave node socket for visible light communication according to an embodiment of the present invention;
fig. 5b is a schematic structural diagram of a slave node strip for visible light communication according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a master node communication device according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating a visible light communication method according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating a visible light communication method according to another embodiment of the present invention;
description of reference numerals:
1-a master node communication device; 2-intelligent household electrical appliances;
3-visible light communication slave node socket; 11-a processor;
12-additional functional module; 111-plug;
112-a first socket body; 113-a first connection line;
114-a first receptacle; 115-a first visible light communication aperture;
116-a first visible light transceiving unit; 117-a first visible light protocol processing unit;
121-a socket body; 122-a second visible light transceiving unit;
123-a second visible light protocol processing unit; 124-a second receptacle;
125-a second visible light-communicating aperture; 21-a first visible light communication plug;
22-a third visible light-communicating aperture; 23-a second connecting line;
24-a third visible light transceiving unit; 25-a third visible light protocol processing unit;
31-a second visible light communication plug; 32-a second socket body;
33-a third connecting line; 34-a third receptacle;
35-a fourth visible light communication aperture; 36-a fourth visible light transceiving unit;
37-a fourth visible light protocol processing unit; 38-fifth visible light communication aperture.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a visible light communication system according to an embodiment of the present invention, and as shown in fig. 1, the visible light communication system according to the present invention includes a master node communication device 1 and at least one stage of visible light communication device, where:
each level of visible light communication equipment comprises at least one intelligent household appliance device 2 and/or a visible light communication slave node socket 3, the intelligent household appliance device 2 included in each level of visible light communication equipment is in visible light communication connection with the master node communication equipment 1 or in visible light communication connection with the previous level of visible light communication slave node socket, and the visible light communication slave node socket 3 included in each level of visible light communication equipment is in visible light communication connection with the master node communication equipment 1 or in visible light communication connection with the previous level of visible light communication slave node socket. The master node communication device 1 is a visible light communication master node socket or a visible light communication socket.
Specifically, the master node communication device 1 may adopt a visible light communication master node power strip or a visible light communication socket, the visible light communication master node power strip is a power strip with a visible light communication function, the visible light communication socket is a socket with a visible light communication function, and the master node communication device 1 may perform visible light communication with each stage of the visible light communication device while supplying commercial power to each stage of the visible light communication device. Each stage of visible light communication equipment comprises at least one intelligent household appliance 2 and/or a visible light communication slave node socket 3, the intelligent household appliance 2 comprises a household appliance capable of carrying out visible light communication, such as an intelligent television, an intelligent refrigerator and an intelligent washing machine, the intelligent household appliance 2 belonging to the first stage of the visible light communication equipment is in visible light communication connection with a master node communication equipment 1 and obtains electric energy through the master node communication equipment 1, the intelligent household appliance 2 belonging to each stage except the first stage of the visible light communication equipment is in visible light communication connection with a master node socket of the previous stage of visible light communication equipment and obtains electric energy through the master node socket of the previous stage of visible light communication. The visible light communication slave node socket 3 belonging to the first-stage visible light communication equipment is in visible light communication connection with the master node communication equipment 1 and can be in visible light communication connection with the second-stage visible light communication equipment, the visible light communication slave node socket 3 belonging to each-stage visible light communication equipment except the first-stage visible light communication equipment is in visible light communication connection with the previous-stage visible light communication master node socket and can be in visible light communication connection with the next-stage visible light communication equipment, and the visible light communication slave node socket 3 is also used for transmitting electric energy.
As shown in fig. 1, the first-stage visible light communication device includes three visible light communication devices, which are two intelligent household electrical appliances 2 and a visible light communication slave node socket 3, and each of the visible light communication devices in the first-stage visible light communication device is connected to the mains supply through a master node communication device 1, and can also be respectively connected to the master node communication device 1 in a visible light communication manner; the second-level visible light communication equipment comprises three visible light communication equipment, namely an intelligent household appliance 2 and two visible light communication slave node socket 3, each visible light communication equipment in the second-level visible light communication equipment is connected to the mains supply through the visible light communication slave node socket 3 and can be respectively in visible light communication connection with the visible light communication slave node socket 3 in the first-level visible light communication equipment, and the visible light communication slave node socket 3 in the first-level visible light communication equipment is the upper visible light communication slave node socket of the second-level visible light communication equipment; the third-level visible light communication device comprises two visible light communication devices, namely two intelligent household appliances 2, the two intelligent household appliances 2 can respectively correspond to visible light communication from the node socket 3 in the second-level visible light communication device one by one, the two intelligent household appliances access to the commercial power from the node socket 3 through the corresponding visible light communication, the intelligent household appliances 2 of the third-level visible light communication device are next-level visible light communication devices of the visible light communication slave node socket 3 of the corresponding second-level visible light communication device, and the visible light communication slave node socket 3 of the second-level visible light communication device is a previous-level visible light communication slave node socket of the intelligent household appliances 2 of the corresponding third-level visible light communication device.
When the master node communication device 1 is powered on, the master node communication device 1 sends respective corresponding initial packet messages to each of the first-stage visible light communication devices, where the initial packet message corresponding to each of the first-stage visible light communication devices may include a communication address of the master node communication device 1, a first communication address, and time division information/frequency division information corresponding to the first communication address; it can be understood that the first communication addresses of the visible light communication devices in the first-level visible light communication device are different from each other, and the time division information/frequency division information corresponding to the first communication addresses are also different from each other. After each visible light communication device in the first-stage visible light communication device can receive the corresponding initial packet message, the corresponding initial packet message can be analyzed to obtain a communication address of the master node communication device 1, the first communication address and time division information/frequency division information corresponding to the first communication address, the first communication address is used as a local communication address, and then a corresponding first acknowledgement receiving message is returned to the master node communication device 1 according to the communication address of the master node communication device 1 and the time division information/frequency division information corresponding to the first communication address; the master node communication device 1 receives a first acknowledgement receiving message corresponding to the visible light communication device in the first-level visible light communication device, which indicates that the visible light communication device in the first-level visible light communication device has received the corresponding initial encapsulation message, and then the master node communication device 1 successfully pairs with the visible light communication device corresponding to the first acknowledgement message. After the pairing is completed, the master node communication device 1 may perform visible light communication with each of the visible light communication devices in the first-level visible light communication devices, respectively, according to the first communication address of each of the visible light communication devices in the first-level visible light communication devices; each of the first-stage visible light communication devices may perform visible light communication with the master node communication device 1 according to the communication address of the master node communication device 1 and the corresponding time division information/frequency division information.
After completing pairing with the master node communication device 1, the visible light communication slave node strip 3 may send respective corresponding next-level packet messages to each visible light communication device in the next-level visible light communication device, and each visible light communication device in the next-level visible light communication device may receive the respective corresponding next-level packet message. The next-level packet message corresponding to each of the next-level visible light communication devices includes a communication address of a visible light communication slave node socket 3, a second communication address, and time division information/frequency division information corresponding to the second communication address; it can be understood that the second communication addresses of the visible light communication devices in the next-stage visible light communication device are different from each other, and the time division information/frequency division information corresponding to the second communication addresses are also different from each other. After each of the next-stage visible light communication devices receives the corresponding next-stage packet message, the communication address of the visible light communication slave node socket 3, the second communication address, and the time division information/frequency division information corresponding to the second communication address may be obtained through parsing, the second communication address is used as a local communication address, and then a corresponding second acknowledgment receipt message is returned to the visible light communication slave node socket according to the communication address of the visible light communication slave node socket 3 and the time division information/frequency division information corresponding to the second communication address. And the visible light communication slave node strip 3 receives a second acknowledgement receiving message corresponding to the visible light communication device in the next-level visible light communication device, which indicates that the visible light communication device in the next-level visible light communication device receives the corresponding next-level packet message, and then completes pairing of the visible light communication device corresponding to the second acknowledgement receiving message. After the pairing is completed, the visible light communication slave node strip 3 may perform visible light communication with each of the visible light communication devices in the second-level visible light communication device according to the second communication address of each of the visible light communication devices in the next-level visible light communication device; each of the visible light communication devices in the next-stage visible light communication device may perform visible light communication with the visible light communication slave node strip 3 according to the communication address of the visible light communication slave node strip 3 and the corresponding time division information/frequency division information.
When the visible light communication equipment in the next-stage visible light communication equipment is the visible light communication slave node socket 3, the visible light communication slave node socket 3 in the next-stage visible light communication equipment completes pairing with the visible light communication slave node socket 3 in the previous stage, and then the pairing process of the visible light communication slave node socket 3 and the next-stage visible light communication equipment is repeated until the equipment in the visible light communication system completes pairing.
The visible light communication system comprises main node communication equipment and at least one stage of visible light communication equipment, wherein each stage of visible light communication equipment comprises at least one intelligent household appliance equipment and/or visible light communication slave node socket, the intelligent household appliance equipment included in each stage of visible light communication equipment is in visible light communication connection with the main node communication equipment or in visible light communication connection with the upper stage of visible light communication slave node socket, the visible light communication slave node socket included in each stage of visible light communication equipment is in visible light communication connection with the main node communication equipment or in visible light communication connection with the upper stage of visible light communication slave node socket, interference and time delay of wireless communication can be avoided, and reliability of communication is improved.
Fig. 2a is a schematic structural diagram of a main node strip for visible light communication provided in an embodiment of the present invention, and fig. 2b is a schematic structural diagram of a main node strip for visible light communication provided in another embodiment of the present invention, as shown in fig. 2a and 2b, on the basis of the above embodiments, further, the main node strip for visible light communication includes a plug 111, a first socket body 112, a first transformer and a first visible light communication module, the plug 111 is connected to the first socket body 112 through a first connection line 113, the first transformer and the first visible light communication module are disposed in the first socket body 112, the first transformer is connected to the first visible light communication module, and the first transformer is configured to convert a mains voltage into a working voltage of the first visible light communication module; wherein the first connecting line 113 includes a power line and a sheath wrapping the power line; the specific installation positions of the first transformer and the first visible light communication module in the first socket body 112 are set according to practical situations, and the embodiment of the present invention is not limited.
The first visible light communication module comprises at least one first visible light transceiving unit 116 and a first visible light protocol processing unit 117, the first visible light protocol processing unit 117 is respectively connected with each first visible light transceiving unit 116, at least one first jack 114 is arranged on the first socket body 112, each first jack 114 is correspondingly provided with a first visible light communication hole 115, the first visible light transceiving units 116 are in one-to-one correspondence with the first visible light communication holes 115, a first visible light communication cable is arranged between each first visible light communication hole 115 and the corresponding first visible light transceiving unit 116, the first visible light communication cable is used for transmitting visible light signals, visible light communication connection between the first visible light communication module and the first-level visible light communication equipment is realized, each first visible light communication cable is fixedly arranged in the first socket body 112, one end of each of the first visible light communication cables is inserted into the corresponding first visible light communication hole 115.
Specifically, when the portable household appliance is used, the plug 111 may be inserted into a household commercial power socket to obtain electric energy, the input end of the first transformer is connected to a power line included in the first connection line 113, the output end of the first transformer is connected to the first visible light communication module, and 220V commercial power may be converted into 5V or 3V voltage for the first visible light communication module to use. The first visible light transceiving unit 116 is configured to convert the visible light data from the first visible light protocol processing unit 117 into a visible light signal and send the visible light signal, or convert the received visible light signal into visible light data and send the visible light data to the first visible light protocol processing unit 117; the first visible light transceiving unit 116 may be implemented by using a photodiode for receiving a visible light signal and a light emitting diode for emitting a visible light signal. The first visible light protocol processing unit 117 is configured to generate visible light data or analyze received visible light data, and may be implemented by using a single chip microcomputer. The first visible light communication cable is used for transmitting the visible light signal emitted by the first visible light transceiving unit 116 out, or transmitting the visible light signal to the first visible light transceiving unit 16, for example, when the first visible light communication plug 21 of the smart home appliance 2 is inserted into the first jack 114, one end of a third visible light communication cable passes through the third visible light communication hole 22 and is opposite to the end of the first visible light communication cable passing through the first visible light communication hole 115, and the first visible light communication cable may transmit the visible light signal from the third visible light communication cable to the first visible light transceiving unit 116, or may transmit the visible light signal emitted by the first visible light transceiving unit 116 to the third visible light communication cable; similarly, when visible light communication is inserted into the first jack 114 from the second visible light communication plug 31 of the node socket 3, one end of a fourth visible light communication cable passes through the fifth visible light communication hole 38 and is opposite to the end of the first visible light communication cable passing through the first visible light communication hole 115, and the first visible light communication cable may transmit a visible light signal from the fourth visible light communication cable to the first visible light transceiving unit 116 and may also transmit a visible light signal emitted by the first visible light transceiving unit 116 to the fourth visible light communication cable. The first visible light communication cable is a light guide column or a plastic optical cable, the light guide column can be fixed in the first socket body 112 through a limiting part, and the plastic optical cable can be fixed in the first socket body 112 through a buckle. Wherein, the plug 111 is a triangular plug or a two-pin plug; the first jack 114 is a triangular jack or a two-pin jack; the specific position of the first visible light communication hole 115 is set according to actual conditions, and the embodiment of the present invention is not limited.
Fig. 3a is a schematic structural diagram of a visible light communication socket according to an embodiment of the present invention, and fig. 3b is a schematic structural diagram of a visible light communication socket according to another embodiment of the present invention, as shown in fig. 3a and fig. 3b, on the basis of the above embodiments, further, the visible light communication socket includes a socket main body 121, a second transformer and a second visible light communication module, the second transformer and the second visible light communication module are disposed in the socket main body 121, the second transformer is connected to the second visible light communication module, and the second transformer is configured to convert a mains voltage into an operating voltage of the second visible light communication module;
the second visible light communication module includes at least one second visible light transceiving unit 122 and a second visible light protocol processing unit 123, the second visible light protocol processing unit 123 is connected to each second visible light transceiving unit 122, the socket body 121 is provided with at least one second jack 124, each second jack 124 is correspondingly provided with a second visible light communication hole 125, the second visible light transceiving units 122 are in one-to-one correspondence with the second visible light communication holes 125, a second visible light communication cable is arranged between the second visible light communication hole 125 and the corresponding second visible light transceiving unit 122, the second visible light communication cables are used for transmitting visible light signals, so that visible light communication connection between the second visible light communication module and the first-level visible light communication device is achieved, each second visible light communication cable is fixedly arranged in the socket main body 122, and one end of each second visible light communication cable is inserted into the corresponding second visible light communication hole 125.
Specifically, the visible light communication socket is usually mounted on a wall, the input end of the second transformer is connected to the power line of the visible light communication socket, and the output end of the second transformer is connected to the second visible light communication module, so that 220V mains power can be converted into 5V or 3V voltage for the second visible light communication module to use. The second visible light transceiving unit 122 is configured to convert the visible light data from the second visible light protocol processing unit 123 into a visible light signal and send the visible light signal, or convert the received visible light signal into visible light data and send the visible light data to the second visible light protocol processing unit 123; the second visible light transceiving unit 122 may be implemented by using a photodiode for receiving a visible light signal and a light emitting diode for emitting a visible light signal. The visible light protocol processing unit 123 is configured to generate visible light data or analyze received visible light data, and may be implemented by using a single chip microcomputer. The visible light communication cable is used for transmitting the visible light signal emitted by the second visible light transceiving unit 122 out, or transmitting the visible light signal to the second visible light transceiving unit 122, for example, when the first visible light communication plug 21 of the smart home appliance 2 is inserted into the second jack 124, one end of a third visible light communication cable passes through the third visible light communication hole 22 and is opposite to the end of the second visible light communication cable passing through the second visible light communication hole 125, the second visible light communication cable may transmit the visible light signal from the third visible light communication cable to the second visible light transceiving unit 122, and may also transmit the visible light signal emitted by the second visible light transceiving unit 122 to the third visible light communication cable; similarly, when visible light communication is inserted into the second jack 124 from the second visible light communication plug 31 of the node plug row 3, one end of a fourth visible light communication cable passes through the fifth visible light communication hole 38 and is opposite to the end of the second visible light communication cable passing through the second visible light communication hole 125, and the second visible light communication cable may transmit a visible light signal from the fourth visible light communication cable to the second visible light transceiving unit 122 and may also transmit a visible light signal emitted by the second visible light transceiving unit 122 to the fourth visible light communication cable. The second visible light communication cable is a light guide column or a plastic optical cable, the light guide column may be fixed in the socket main body 121 through a limiting member, and the plastic optical cable may be fixed in the socket main body 121 through a buckle. Wherein, the second jack 124 is a triangular jack or a two-pin jack; the specific position of the second visible light communication hole 125 is set according to practical situations, and the embodiment of the present invention is not limited.
Fig. 4a is a schematic structural diagram of an intelligent household appliance according to an embodiment of the present invention, fig. 4b is a schematic structural diagram of an intelligent household appliance according to another embodiment of the present invention, as shown in fig. 4a and 4b, an intelligent household appliance 2 includes a third visible light communication module and a first visible light communication plug 21, the first visible light communication plug 21 connects the intelligent household appliance 2 to the commercial power through a second connection line 23, the third visible light communication module includes a third visible light transceiver unit 24 and a third visible light protocol processing unit 25, the third visible light transceiver unit 24 is connected to the third visible light protocol processing unit 25, a third visible light communication hole 22 is disposed on one side of the first visible light communication plug 21 where the pins are disposed, a third visible light communication cable is disposed between the third visible light transceiver unit 22 and the third visible light communication plug 24, the third visible light communication cable is used for transmitting visible light signals, and the visible light communication connection between the third visible light communication module and the master node communication device 1 or the upper-level visible light communication slave node socket is realized, and one end of the third visible light communication cable is inserted into the third visible light communication hole 22. The third visible light communication cable may adopt a plastic optical cable or an optical fiber, the second connection line 23 includes a power line and a sheath wrapping the power line, and the third visible light communication cable and the second connection line may be disposed together, for example, the third visible light communication cable is wrapped in the sheath of the second connection line 23; the specific installation positions of the third transformer and the fourth visible light communication module in the second socket body 32 are set according to actual conditions, and the embodiment of the present invention is not limited.
For example, when the first visible light communication plug 21 of the smart home device 2 is inserted into the first jack 114 of the main visible light communication node strip, one end of a third visible light communication cable passes through the third visible light communication hole 22 and is opposite to the end of the first visible light communication cable passing through the first visible light communication hole 115, and the third visible light communication cable may transmit a visible light signal from the first visible light communication cable to the third visible light transceiver unit 24 and may also transmit a visible light signal emitted by the third visible light transceiver unit 24 to the first visible light communication cable. When the first visible light communication plug 21 of the intelligent household electrical appliance 2 is inserted into the third jack 34 of the upper-stage visible light communication slave node row, one end of a third visible light communication cable passes through the third visible light communication hole 22 and is opposite to one end of the fifth visible light communication cable passing through the fourth visible light communication hole 35, the third visible light communication cable can transmit a visible light signal from the fifth visible light communication cable to the third visible light transceiving unit 24, and can also transmit a visible light signal sent by the third visible light transceiving unit 24 to the fifth visible light communication cable.
Fig. 5a is a schematic structural diagram of a visible light communication slave node socket provided in an embodiment of the present invention, and fig. 5b is a schematic structural diagram of a visible light communication slave node socket provided in another embodiment of the present invention, as shown in fig. 5a and 5b, the visible light communication slave node socket 3 includes a second visible light communication plug 31, a second socket body 32, a third transformer and a fourth visible light communication module, the second visible light communication plug 31 is connected to the second socket body 32 through a third connection line 33, the third transformer and the fourth visible light communication module are disposed in the second socket body 32, the third transformer is connected to the fourth visible light communication module, and the third transformer is configured to convert a mains voltage into an operating voltage of the fourth visible light communication module; the specific installation positions of the third transformer and the fourth visible light communication module in the second socket body 32 are set according to actual conditions, and the embodiment of the present invention is not limited.
A fifth visible light communication hole 38 is arranged at one side of the second visible light communication plug 31 where the pins are arranged, a fourth visible light communication cable is arranged between the fifth visible light communication hole 38 and the corresponding fourth visible light transceiving unit 36, the fourth visible light communication cable is used for transmitting visible light signals, visible light communication connection between the fourth visible light communication module and the master node communication equipment or the upper visible light communication slave node socket is realized, one end of the fourth visible light communication cable is inserted into the fifth visible light communication hole 38, for example, when the second visible light communication plug 31 of the visible light communication slave node socket 3 is inserted into the first jack 114 of the visible light communication master node socket, one end of the fourth visible light communication cable passes through the fifth visible light communication hole 38 and is opposite to one end of the first visible light communication cable passing through the first visible light communication hole 115, the fourth visible light communication cable may transmit the visible light signal from the first visible light communication cable to the fourth visible light transceiving unit 36, and may also transmit the visible light signal sent by the fourth visible light transceiving unit 36 to the first visible light communication cable. When the second visible light communication plug 31 of the node socket 3 is inserted into the third jack 34 of the previous visible light communication slave node socket, one end of the fourth visible light communication cable passes through the fifth visible light communication hole 38 and is opposite to one end of the fifth visible light communication cable of the previous visible light communication slave node socket, which passes through the fourth visible light communication hole 35, and the fourth visible light communication cable may transmit the visible light signal from the fifth visible light communication cable of the previous visible light communication slave node socket to the fourth visible light transceiving unit 36 and may also transmit the visible light signal emitted from the fourth visible light transceiving unit 24 to the fifth visible light communication cable of the previous visible light communication slave node socket. The fourth visible light communication cable may be a plastic optical cable or an optical fiber, the third connection line 33 includes a power line and a sheath wrapping the power line, and the fourth visible light communication cable and the third connection line 33 may be disposed together, for example, the fourth visible light communication cable is wrapped in the sheath of the third connection line 33; the fifth visible light communication hole 38 may be a circular hole, and the size of the circular hole is set according to actual conditions, which is not limited in the embodiment of the present invention.
The fourth visible light communication module comprises a plurality of fourth visible light transceiving units 36 and fourth visible light protocol processing units 37, the fourth visible light protocol processing units 37 are respectively connected with the fourth visible light transceiving units 36, at least one third jack 34 is arranged on the second socket body 32, each third jack 34 is correspondingly provided with a fourth visible light communication hole 35, one fourth visible light transceiving unit 36 is corresponding to a fifth visible light communication hole 38, the rest fourth visible light transceiving units 36 are in one-to-one correspondence with the fourth visible light communication holes 35, a fifth visible light communication cable is arranged between each fourth visible light communication hole 35 and the corresponding fourth visible light transceiving unit 36, the fifth visible light communication cable is used for transmitting visible light signals, and visible light communication connection between the fourth visible light communication module and next-level visible light communication equipment is realized, each of the fifth visible light communication cables is fixedly disposed in the second socket body 32, and one end of each of the fifth visible light communication cables is inserted into the corresponding fourth visible light communication hole 35. For example, when the first visible light communication plug 21 of the smart home appliance 2 in the next-stage visible light communication device is inserted into the third jack 34, one end of the third visible light communication cable passes through the third visible light communication hole 22 and is opposite to one end of the fifth visible light communication cable passing through the fourth visible light communication hole 35, the fifth visible light communication cable may transmit the visible light signal from the third visible light communication cable to the fourth visible light transceiver unit 36, and may also transmit the visible light signal sent by the fourth visible light transceiver unit 36 to the third visible light communication cable; similarly, when the visible light communication slave node row 3 is plugged into the second visible light communication plug 31 of the next visible light communication device to the third jack 34 of the current visible light communication slave node row 3, the end of the fourth visible light communication cable of the next-stage visible light communication slave node row 3 passing through the fifth visible light communication hole 38 is opposite to the end of the fifth visible light communication cable of the present visible light communication slave node row 3 passing through the fourth visible light communication hole 35, the fifth visible light communication cable of the current visible light communication slave node socket 3 may transmit a visible light signal from the fourth visible light communication cable of the next visible light communication slave node socket 3 to the corresponding fourth visible light transceiving unit 36, and may also transmit a visible light signal emitted by the corresponding fourth visible light transceiving unit 36 to the fourth visible light communication cable of the next visible light communication slave node socket 3.
Specifically, when the device is used, the second visible light communication plug 31 may be inserted into the visible light communication main node socket or the visible light communication socket, the visible light communication main node socket or the visible light communication socket is connected to the mains supply to obtain electric energy, the input end of the third transformer is connected to the power line included in the third connection line 33, the output end of the third transformer is connected to the fourth visible light communication module, and the 220V mains supply may be converted into a voltage of 5V or 3V for the fourth visible light communication module to use. The fourth visible light transceiving unit 36 is configured to convert the visible light data from the fourth visible light protocol processing unit 37 into a visible light signal and send the visible light signal, or convert the received visible light signal into visible light data and send the visible light data to the fourth visible light protocol processing unit 37; the fourth visible light transceiving unit 36 may be implemented by using a photodiode for receiving a visible light signal and a light emitting diode for emitting a visible light signal. The fourth visible light protocol processing unit 37 is configured to generate visible light data or analyze received visible light data, and may be implemented by using a single chip microcomputer. The fifth visible light communication cable is used for transmitting the visible light signal emitted by the first visible light transceiving unit 36 out, or transmitting the visible light signal to the fourth visible light transceiving unit 16. The fifth visible light communication cable is a light guide column or a plastic optical cable, the light guide column may be fixed in the second socket body 32 through a limiting member, and the plastic optical cable may be fixed in the second socket body 32 through a buckle. The second visible light communication plug 31 is a triangular plug or a two-pin plug; the third jack 34 is a triangular jack or a two-pin jack; the specific position of the fourth visible light communication hole 35 is set according to the actual situation, and the embodiment of the present invention is not limited.
Fig. 6 is a schematic structural diagram of a master node communication device according to an embodiment of the present invention, and as shown in fig. 6, the master node communication device 1 includes a processor 11 and an additional function module 12, and the processor 11 is connected to the additional function module 12. When the master node communication device 1 is the visible light communication master node extension socket, the processor 11 may be connected to the first visible light communication module; when the master node communication device 1 is the visible light communication socket, the processor 11 may be connected to the second visible light communication module. The processor 11 may be implemented by a single chip, and the additional functional module 12 is, for example, a temperature sensor, a relay, or the like.
On the basis of the above embodiments, further, the additional function module 12 is a relay, and the relay is used for controlling the connection and disconnection between the main node communication device and the mains supply.
On the basis of the above embodiments, the additional function module 12 is a communication unit, the communication unit is used for implementing wired or wireless communication, and the communication unit is, for example, a WiFi module, a Zigbee module, a bluetooth module, a wired network card, or the like.
Fig. 7 is a schematic flow chart of a visible light communication method according to an embodiment of the present invention, and as shown in fig. 7, the visible light communication method according to the present invention, which uses the visible light communication system according to any of the embodiments, includes:
s701, the main node communication equipment respectively sends corresponding initial package messages to each visible light communication equipment in the first-level visible light communication equipment; the start packet message corresponding to each visible light communication device in the first-level visible light communication device comprises a communication address of the main node communication device, a first communication address and time division information/frequency division information corresponding to the first communication address;
specifically, when the master node communication device 1 is powered on, the master node communication device 1 sends respective corresponding start packet messages to each of the first-stage visible light communication devices, and each of the first-stage visible light communication devices may receive the corresponding start packet message. The start packet message corresponding to each of the first-level visible light communication devices may include a communication address of the master node communication device, a first communication address, and time division information/frequency division information corresponding to the first communication address; it can be understood that the first communication addresses of the visible light communication devices in the first-level visible light communication device are different from each other, and the time division information/frequency division information corresponding to the first communication addresses are also different from each other.
S702, after each visible light communication device in the first-level visible light communication devices receives a corresponding initial packet message, taking the first communication address as a local communication address, and returning a corresponding first receiving confirmation message to the master node communication device according to the communication address of the master node communication device and time division information/frequency division information corresponding to the first communication address;
specifically, after each of the first-stage visible light communication devices receives the corresponding start packet message, each of the first-stage visible light communication devices may analyze the corresponding start packet message to obtain a communication address of the master node communication device, the first communication address, and time division information/frequency division information corresponding to the first communication address, use the first communication address as a local communication address, and then return a corresponding first acknowledgment receipt message to the master node communication device according to the communication address of the master node communication device and the time division information/frequency division information corresponding to the first communication address.
And S703, the master node communication device receives a first receiving confirmation message corresponding to the visible light communication device in the first-level visible light communication device, and then completes pairing of the visible light communication device corresponding to the first receiving confirmation message.
Specifically, the master node communication device receives a first acknowledgement receiving message corresponding to the visible light communication device in the first-level visible light communication device, which indicates that the visible light communication device in the first-level visible light communication device has received the corresponding initial packet message, and then the master node communication device and the visible light communication device corresponding to the first acknowledgement message are successfully paired, so that visible light communication can be performed.
For example, the visible light communication socket a and the smart home appliance B constitute a visible light communication system, the first visible light communication plug of the smart home appliance B is inserted into the second jack of the visible light communication socket a, and one end of the second visible light communication cable inserted into the second visible light communication hole and one end of the third visible light communication cable inserted into the third visible light communication hole are opposite to each other for visible light signal transmission. When the visible light communication socket A is powered on, a second visible light communication module of the visible light communication socket A sends a start package message a, the start package message a comprises a communication address of the visible light communication socket A, the first communication address and time division information corresponding to the first communication address, the start package message a is transmitted to a third visible light communication module of an intelligent household appliance B through a second visible light communication cable and a third visible light communication cable, the third visible light communication module analyzes and obtains the communication address of the visible light communication socket A after receiving the start package message a, the first communication address and the time division information corresponding to the first communication address, the first communication address is used as a local communication address, and then a first confirmation receiving message B is sent according to the communication address of the visible light communication socket A and the time division information corresponding to the first communication address, the first receiving confirmation message B is transmitted to the second visible light communication module through the third visible light communication cable and the second visible light communication cable, and the first receiving confirmation message B received by the second visible light communication module indicates that the intelligent household appliance B receives the initial packet message a, the visible light communication socket A and the intelligent household appliance B are successfully paired, and visible light communication can be performed.
Fig. 8 is a schematic flow chart of a visible light communication method according to another embodiment of the present invention, and as shown in fig. 8, on the basis of the foregoing embodiments, the visible light communication method according to the present invention further includes:
s704, after the visible light communication slave node socket completes pairing with the master node communication device or the previous visible light communication slave node socket, sending corresponding next-level packet messages to each visible light communication device in the next-level visible light communication device respectively; the next-level packet message corresponding to each visible light communication device in the next-level visible light communication devices comprises a communication address of the visible light communication slave node socket, a second communication address and time division information/frequency division information corresponding to the second communication address;
specifically, after completing pairing with the master node communication device or pairing with the previous-stage visible light communication slave node socket, the visible light communication slave node socket may send a corresponding next-stage packet message to each visible light communication device in the next-stage visible light communication device, and each visible light communication device in the next-stage visible light communication device may receive the corresponding next-stage packet message. The next-level packet message corresponding to each of the next-level visible light communication devices comprises a communication address of the visible light communication slave node socket, a second communication address and time division information/frequency division information corresponding to the second communication address; it can be understood that the second communication addresses of the visible light communication devices in the next-stage visible light communication device are different from each other, and the time division information/frequency division information corresponding to the second communication addresses are also different from each other.
S705, after each of the next-stage visible light communication devices receives a corresponding next-stage packet message, using the second communication address as a local communication address, and returning a corresponding second acknowledgment receiving message to the visible light communication slave node socket according to the communication address of the visible light communication slave node socket and the time division information/frequency division information corresponding to the second communication address;
specifically, after each of the next-stage visible light communication devices receives the corresponding next-stage packet message, the communication address of the visible light communication slave node socket, the second communication address, and the time division information/frequency division information corresponding to the second communication address may be obtained through parsing, the second communication address is used as a local communication address, and then a corresponding second acknowledgment receipt message is returned to the visible light communication slave node socket according to the communication address of the visible light communication slave node socket and the time division information/frequency division information corresponding to the second communication address.
S706, the visible light communication slave node socket receives a second confirmation receiving message corresponding to the visible light communication equipment in the next-level visible light communication equipment, and then pairing of the visible light communication equipment corresponding to the second confirmation receiving message is completed
Specifically, the visible light communication slave node socket receives a second acknowledgement receiving message corresponding to the visible light communication device in the next-level visible light communication device, which indicates that the visible light communication device in the next-level visible light communication device receives the corresponding next-level packet message, and then completes pairing of the visible light communication device corresponding to the second acknowledgement receiving message. After the pairing is completed, the visible light communication slave node socket and the visible light communication equipment in the next-stage visible light communication equipment can carry out visible light communication. The pairing process of the visible light communication slave node socket and the upper-level visible light communication slave node socket is similar to the process of steps S704, S705 and S706.
The specific process of the method embodiment of the present invention may refer to the descriptions of the above system embodiments, and will not be described herein again.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. A visible light communication system comprising a master node communication device and at least one stage of visible light communication device, wherein:
each level of visible light communication equipment comprises at least one intelligent household appliance equipment and/or visible light communication slave node socket, the intelligent household appliance equipment included in each level of visible light communication equipment is in visible light communication connection with the master node communication equipment or in visible light communication connection with the previous level of visible light communication slave node socket, and the visible light communication slave node socket included in each level of visible light communication equipment is in visible light communication connection with the master node communication equipment or in visible light communication connection with the previous level of visible light communication slave node socket; the master node communication equipment is a visible light communication master node socket or a visible light communication socket;
the plug is connected with the first socket body through a first connecting wire, the first transformer and the first visible light communication module are arranged in the first socket body, the first transformer is connected with the first visible light communication module, and the first transformer is used for converting mains supply voltage into working voltage of the first visible light communication module;
the first visible light communication module comprises at least one first visible light transceiving unit and a first visible light protocol processing unit, the first visible light protocol processing unit is respectively connected with each first visible light transceiving unit, at least one first jack is arranged on the first socket body, each first jack is correspondingly provided with a first visible light communication hole, the first visible light transceiving units are in one-to-one correspondence with the first visible light communication holes, a first visible light communication cable is arranged between each first visible light communication hole and the corresponding first visible light transceiving unit and is used for transmitting visible light signals, visible light communication connection between the first visible light communication module and first-level visible light communication equipment is realized, and each first visible light communication cable is fixedly arranged in the first socket body, one end of each first visible light communication cable is inserted into the corresponding first visible light communication hole.
2. The system of claim 1, wherein the visible light communication socket comprises a socket body, a second transformer and a second visible light communication module, the second transformer and the second visible light communication module are disposed in the socket body, the second transformer is connected to the second visible light communication module, and the second transformer is configured to convert a mains voltage into an operating voltage of the second visible light communication module;
the second visible light communication module comprises at least one second visible light transceiving unit and a second visible light protocol processing unit, the second visible light protocol processing unit is connected with each second visible light transceiving unit, at least one second jack is arranged on the socket main body, each second jack is correspondingly provided with a second visible light communication hole, the second visible light transceiving units correspond to the second visible light communication holes one by one, a second visible light communication cable is arranged between the second visible light communication hole and the corresponding second visible light transceiving unit, the second visible light communication cables are used for transmitting visible light signals, visible light communication connection between the second visible light communication module and the first-level visible light communication device is achieved, each second visible light communication cable is fixedly arranged in the socket main body, and one end of each second visible light communication cable is inserted into the corresponding second visible light communication hole.
3. The system according to claim 1, wherein the smart home appliance comprises a third visible light communication module and a first visible light communication plug, the first visible light communication plug connects the smart home appliance to the mains power through a second connection line, the third visible light communication module comprises a third visible light transceiving unit and a third visible light protocol processing unit, the third visible light transceiving unit is connected with the third visible light protocol processing unit, a third visible light communication hole is formed in one side of the first visible light communication plug where the pin is arranged, a third visible light communication cable is arranged between the third visible light communication hole and the third visible light transceiving unit, the third visible light communication cable is used for transmitting visible light signals, and visible light communication connection of the third visible light communication module and the master node communication device or the upper-level visible light communication slave node is realized, one end of the third visible light communication cable is inserted into the third visible light communication hole.
4. The system of claim 1, wherein the slave node row comprises a second visible light communication plug, a second socket body, a third transformer and a fourth visible light communication module, the second visible light communication plug is connected to the second socket body through a third connecting line, the third transformer and the fourth visible light communication module are disposed in the second socket body, the third transformer is connected to the fourth visible light communication module, and the third transformer is configured to convert a mains voltage into an operating voltage of the fourth visible light communication module;
a fifth visible light communication hole is formed in one side, where the plug pin is arranged, of the second visible light communication plug, a fourth visible light communication cable is arranged between the fifth visible light communication hole and a corresponding fourth visible light transceiving unit, the fourth visible light communication cable is used for transmitting a visible light signal, so that visible light communication connection between the fourth visible light communication module and the master node communication device or the visible light communication slave node at the upper stage is realized, and one end of the fourth visible light communication cable is inserted into the fifth visible light communication hole;
the fourth visible light communication module comprises a plurality of fourth visible light transceiving units and a fourth visible light protocol processing unit, the fourth visible light protocol processing unit is respectively connected with each fourth visible light transceiving unit, the second socket body is provided with at least one third jack, each third jack is correspondingly provided with a fourth visible light communication hole, one fourth visible light transceiving unit corresponds to the fifth visible light communication hole, the rest fourth visible light transceiving units correspond to the fourth visible light communication holes one by one, a fifth visible light communication cable is arranged between each fourth visible light communication hole and the corresponding fourth visible light transceiving unit and is used for transmitting visible light signals, and visible light communication connection between the fourth visible light communication module and next-stage visible light communication equipment is realized, each of the fifth visible light communication cables is fixedly arranged in the second socket body, and one end of each of the fifth visible light communication cables is inserted into the corresponding fourth visible light communication hole.
5. The system according to any one of claims 1 to 4, wherein the master node communication device comprises a processor and an additional function module, the processor being connected to the additional function module.
6. The system of claim 5, wherein the additional function module is a relay for controlling the connection and disconnection of the main node communication device to a mains power supply.
7. The system of claim 5, wherein the additional function module is a communication unit for implementing wired or wireless communication.
8. A visible light communication method using the visible light communication system according to any one of claims 1 to 7, comprising:
the main node communication equipment respectively sends corresponding initial package messages to each visible light communication equipment in the first-level visible light communication equipment; the start packet message corresponding to each visible light communication device in the first-level visible light communication device comprises a communication address of the main node communication device, a first communication address and time division information/frequency division information corresponding to the first communication address;
after each visible light communication device in the first-level visible light communication device receives the corresponding initial packet message, taking the first communication address as a local communication address, and returning a corresponding first receiving confirmation message to the master node communication device according to the communication address of the master node communication device and the time division information/frequency division information corresponding to the first communication address;
and the master node communication equipment receives a first receiving confirmation message corresponding to the visible light communication equipment in the first-level visible light communication equipment, and then completes pairing of the visible light communication equipment corresponding to the first receiving confirmation message.
9. The method of claim 8, further comprising:
after completing pairing with the master node communication equipment or the upper-level visible light communication slave node socket, the visible light communication slave node socket respectively sends corresponding lower-level packet messages to each visible light communication equipment in the lower-level visible light communication equipment; the next-level packet message corresponding to each visible light communication device in the next-level visible light communication devices comprises a communication address of the visible light communication slave node socket, a second communication address and time division information/frequency division information corresponding to the second communication address;
after each visible light communication device in the next-level visible light communication device receives the corresponding next-level packet message, taking the second communication address as a local communication address, and returning a corresponding second confirmation receiving message to the visible light communication slave node socket according to the communication address of the visible light communication slave node socket and the time division information/frequency division information corresponding to the second communication address;
and the visible light communication slave node socket receives a second receiving confirmation message corresponding to the visible light communication equipment in the next-level visible light communication equipment, and then completes the pairing of the visible light communication equipment corresponding to the second receiving confirmation message.
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CN109525313B (en) * 2018-09-21 2020-06-05 邬东强 Visible light communication system and method
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Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201682142U (en) * 2010-03-03 2010-12-22 朱继山 Distribution facility with optical fiber interface
CN103312376B (en) * 2012-03-15 2017-08-25 深圳光启智能光子技术有限公司 Communication system based on power line and visible ray
CN203324759U (en) * 2013-04-23 2013-12-04 深圳先进技术研究院 Electrical equipment control system based on wireless handheld terminal
CN103682860A (en) * 2013-12-12 2014-03-26 海信集团有限公司 Socket
CN104811357B (en) * 2014-01-26 2018-11-09 广东夏野日用电器有限公司 A kind of Internet of things system
CN203871609U (en) * 2014-06-04 2014-10-08 珠海优特电力科技股份有限公司 Electric extension socket with networking function
US20160020854A1 (en) * 2014-07-15 2016-01-21 Allen Howard Engel System to enable communication, sometimes called Li-Fi or Visible Light Communication ( V.L.C. ) between computers or broadcast programs and simple microcontroller gadgets with limited user interfaces, to further the "internet of things"
CN105827488A (en) * 2015-01-04 2016-08-03 济宁智城中科信息技术有限公司 MESH network system applicable to smart home, networking method and communication method
CN204389961U (en) * 2015-02-27 2015-06-10 晏文临 A kind of integrated monitoring socket and jack system
CN105049119A (en) * 2015-09-09 2015-11-11 苏州昭创光电技术有限公司 Visible light both-way communication system
CN208797289U (en) * 2018-09-21 2019-04-26 邬东强 A kind of visible light communication insert row and socket
CN109525313B (en) * 2018-09-21 2020-06-05 邬东强 Visible light communication system and method

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