WO2020057588A1 - 一种可见光通信系统及方法 - Google Patents

一种可见光通信系统及方法 Download PDF

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Publication number
WO2020057588A1
WO2020057588A1 PCT/CN2019/106623 CN2019106623W WO2020057588A1 WO 2020057588 A1 WO2020057588 A1 WO 2020057588A1 CN 2019106623 W CN2019106623 W CN 2019106623W WO 2020057588 A1 WO2020057588 A1 WO 2020057588A1
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WO
WIPO (PCT)
Prior art keywords
visible light
light communication
communication
communication device
level
Prior art date
Application number
PCT/CN2019/106623
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English (en)
French (fr)
Inventor
邬东强
王钧彝
Original Assignee
邬东强
王钧彝
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Filing date
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Application filed by 邬东强, 王钧彝 filed Critical 邬东强
Publication of WO2020057588A1 publication Critical patent/WO2020057588A1/zh

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Classifications

    • 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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
    • 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
    • H04B10/27—Arrangements for networking

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a visible light communication system and method.
  • Smart home appliances are the embodiment of the Internet of Things under the influence of the Internet. Through the Internet of Things technology, various smart home appliances in the home are connected together to achieve various functions such as remote control of smart devices.
  • the present disclosure provides a visible light communication system and method.
  • the present disclosure proposes a visible light communication system including a master node communication device and at least one level of visible light communication device, wherein:
  • the visible light communication device of each level includes at least one smart home appliance device and / or a visible light communication slave node, and the smart home device included in each level of the visible light communication device is in visible light communication connection with the master node communication device, or
  • the visible light communication slave node at the upper level arranges the visible light communication connection, and the visible light communication slave node included in the visible light communication device at each level is connected with the visible light communication connection of the master node communication device, or with the visible light communication slave node at the upper level.
  • Plug-in visible light communication connection wherein the master node communication device is a visible light communication master node plug-in or a visible light communication socket.
  • the visible light communication main node plug-in includes a plug, a first socket body, a first transformer, and a first visible light communication module, and the plug is connected to the first socket body through a first connection line, and the first transformer and The first visible light communication module is disposed in the first socket body, the first transformer is connected to the first visible light communication module, and the first transformer is used to convert a mains voltage to the first visible light.
  • Working voltage of the communication module
  • the first visible light communication module includes at least one first visible light transceiver unit and a first visible light protocol processing unit.
  • the first visible light protocol processing unit is connected to each of the first visible light transceiver units, and the first socket body is At least one first jack is provided, and each of the first jacks is correspondingly provided with a first visible light communication hole, and the first visible light transceiver unit and the first visible light communication hole are in one-to-one correspondence, and each of the first A first visible light communication cable is provided between the visible light communication hole and the corresponding first visible light transceiver unit, and the first visible light communication cable is used to transmit visible light signals to realize the first visible light communication module and the first-level visible light communication device. Visible light communication connection, each of the first visible light communication cables is fixedly disposed in the first socket body, and one end of each of the first visible light communication cables is inserted into the corresponding first visible light communication hole.
  • the visible light communication socket includes 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 and the A second visible light communication module is connected, and the second transformer is configured to convert a mains voltage to an operating voltage of the second visible light communication module;
  • the second visible light communication module includes at least one second visible light transceiver unit and a second visible light protocol processing unit.
  • the second visible light protocol processing unit is connected to each of the second visible light transceiver units, and at least one is provided on the socket body.
  • a second jack each of which is provided with a second visible light communication hole, the second visible light transceiver unit corresponds to the second visible light communication hole one by one, and the second visible light communication hole corresponds to A second visible light communication cable is provided between the second visible light transceiver units, the second visible light communication cable is used for transmitting visible light signals, and the visible light communication connection between the second visible light communication module and the first-level visible light communication device is realized,
  • Each of the second visible light communication cables is fixedly disposed in the socket body, and one end of each of the second visible light communication cables is inserted into a corresponding second visible light communication hole.
  • the smart home appliance includes 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 a mains power through a second connection line, and the third visible light communication module It includes a third visible light transceiver unit and a third visible light protocol processing unit, the third visible light transceiver unit is connected to the third visible light protocol processing unit, and a third visible light communication is provided on a side where the first visible light communication plug is provided with a pin.
  • a third visible light communication cable is provided between the third visible light communication hole and the third visible light transceiver unit, and the third visible light communication cable is used to transmit visible light signals to realize the third visible light communication module and The visible light communication connection of the master node communication device or the upper-level visible light communication slave node, and one end of the third visible light communication cable is inserted into the third visible light communication hole.
  • the visible light communication slave node row includes 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 through a third connection line.
  • the main body, the third transformer and the fourth visible light communication module are arranged in the second socket body, the three transformers are connected to the fourth visible light communication module, and the third transformer is used to supply the mains voltage Converted to an operating voltage of the fourth visible light communication module;
  • a fifth visible light communication hole is provided on a side of the second visible light communication plug where the pin is provided, and a fourth visible light communication cable is provided between the fifth visible light communication hole and a corresponding fourth visible light transceiver unit, and the fourth visible light
  • the communication cable is used for transmitting visible light signals, and realizes the visible light communication connection between the fourth visible light communication module and the master node communication device or the upper-level visible light communication slave node. One end is inserted into the fifth visible light communication hole;
  • the fourth visible light communication module includes a plurality of fourth visible light transceiver units and a fourth visible light protocol processing unit.
  • the fourth visible light protocol processing unit is connected to each of the fourth visible light transceiver units, and the second socket body is At least one third jack is provided, each of the third jacks is correspondingly provided with a fourth visible light communication hole, one of the fourth visible light transceiver unit corresponds to the fifth visible light communication hole, and the remaining fourth visible light
  • the transceiver unit corresponds to the fourth visible light communication hole in a one-to-one manner, and a fifth visible light communication cable is provided between each of the fourth visible light communication hole and the corresponding fourth visible light transceiver unit.
  • the fourth visible light communication module is connected to the visible light communication device of the next visible light communication device.
  • Each of the fifth visible light communication cables is fixedly disposed in the second socket body. One end of the fifth visible light communication cable is inserted into the corresponding fourth visible light communication hole.
  • the master node communication device includes a processor and an additional function module, and the processor is connected to the additional function module.
  • the additional function module is a relay, and the relay is used to control the communication and disconnection of the communication device of the master node from a mains power supply.
  • the additional function module is a communication unit, and the communication unit is configured to implement wired or wireless communication.
  • the present disclosure provides a visible light communication method using the visible light communication system according to any one of the foregoing embodiments, including:
  • the master node communication device sends a respective initial packet message to each visible light communication device in the first-level visible light communication device; the initial packet message corresponding to each of the visible light communication devices in the first-level visible light communication device.
  • each visible light communication device in the first-level visible light communication device After each visible light communication device in the first-level visible light communication device receives the corresponding initial packet message, it uses the first communication address as a local communication address, and 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 returns a corresponding first acknowledgement receiving message to the master node communication device;
  • 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, and then completes the pairing of the visible light communication device corresponding to the first acknowledgement receiving message.
  • the visible light communication method further includes:
  • the visible light communication devices in the lower-level visible light communication devices are sent to the corresponding lower-level devices.
  • the second communication address is used as a local communication address, and the node is inserted and arranged according to the visible light communication.
  • the visible light communication receives a second confirmation reception message corresponding to the visible light communication device in the lower-level visible light communication device from the node row, and then completes the pairing of the visible light communication device corresponding to the second confirmation reception message. .
  • the visible light communication system and method provided by the present disclosure include a master node communication device and at least one level of visible light communication equipment.
  • Each level of visible light communication equipment includes at least one smart home appliance and / or a visible light communication slave node.
  • Each level of visible light communication equipment includes Smart home appliances are connected to the visible light communication of the master node communication equipment, or to the visible light communication slave node of the upper level.
  • the visible light communication equipment included in each level of visible light communication equipment is connected to the visible light communication of the master node communication equipment.
  • the visible light communication connection with the upper level visible light communication slave node can avoid interference and delay of wireless communication and improve the reliability of communication.
  • FIG. 1 is a schematic structural diagram of a visible light communication system according to an embodiment of the present disclosure
  • FIG. 2a is a schematic structural diagram of a visible light communication master node insertion row according to an embodiment of the present disclosure
  • FIG. 2b is a schematic structural diagram of a visible light communication master node insertion row according to another embodiment of the present disclosure
  • 3a is a schematic structural diagram of a visible light communication socket according to an embodiment of the present disclosure.
  • 3b is a schematic structural diagram of a visible light communication socket according to another embodiment of the present disclosure.
  • FIG. 4a is a schematic structural diagram of a smart home appliance provided by an embodiment of the present disclosure.
  • 4b is a schematic structural diagram of a smart home appliance provided by another embodiment of the present disclosure.
  • FIG. 5a is a schematic structural diagram of a slave node row of visible light communication provided by an embodiment of the present disclosure
  • 5b is a schematic structural diagram of a visible light communication slave node row provided by another embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a master node communication device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic flowchart of a visible light communication method according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart of a visible light communication method according to another embodiment of the present disclosure.
  • 35-fourth visible light communication hole 36-fourth visible light transceiver unit;
  • FIG. 1 is a schematic structural diagram of a visible light communication system according to an embodiment of the present disclosure.
  • the visible light communication system provided by the present disclosure includes a master node communication device 1 and at least one level of visible light communication devices, wherein:
  • the visible light communication device at each level includes at least one smart home appliance 2 and / or a visible light communication slave node array 3.
  • the smart home device 2 included in each level of the visible light communication device is in visible light communication connection with the master node communication device 1, or
  • the visible light communication slave node of the upper level is arranged to connect the visible light communication, and the visible light communication slave node 3 included in the visible light communication device of each level is connected to the visible light communication of the master node communication device 1 or to the visible light communication slave node of the upper level.
  • Visible light communication connection is a visible light communication master node plug-in or a visible light communication socket.
  • the master node communication device 1 may adopt a visible light communication master node socket or a visible light communication socket.
  • the visible light communication master node socket is a socket with a visible light communication function
  • the visible light communications socket is a socket with a visible light communication function.
  • the master node communication device 1 can also perform visible light communication with the visible light communication devices at all levels while supplying mains power to the visible light communication devices at each level.
  • the visible light communication device at each level includes at least one smart home appliance 2 and / or a visible light communication slave node 3, and the smart home device 2 includes a smart TV, a smart refrigerator, a smart washing machine and other home appliances that can perform visible light communication, and belongs to the first category.
  • the smart home appliance 2 of the visible light communication device is connected to the master node communication device 1 in visible light communication, and the electric power is obtained through the master node communication device 1.
  • the smart home device 2 belongs to the visible light communication device of each level except the first level. It is connected to the visible light communication plug-in row of the upper-level visible light communication node, and obtains electric energy through the visible light communication plug-in node of the upper level.
  • the visible light communication slave node array 3 belonging to the visible light communication device of the first level is connected to the visible light communication of the master node communication device 1 and can be connected to the visible light communication of the visible light communication device of the second level.
  • the visible light communication slave node row 3 of the visible light communication device is connected to the visible light communication master node row of the upper level visible light communication, and may be connected to the visible light communication device of the lower level visible light communication device, and the visible light communication is inserted from the node. Row 3 is also used to transmit electrical energy.
  • the first-level visible light communication device includes three of the visible light communication devices, which are two smart home appliances 2 and one visible light communication slave node 3. Each of the first-level visible light communication devices is described.
  • the visible light communication device accesses the mains power through the communication device 1 of the master node, and can also be connected to the visible light communication of the communication device 1 of the master node.
  • the visible light communication device of the second level includes three of the visible light communication devices, which are one smart home appliance 2 and two. Each visible light communication device is inserted in row 3, and each of the visible light communication devices in the second-stage visible light communication device is connected to the mains power through node light insertion in row 3, and may also be separately connected to the visible light in the first-level visible light communication device.
  • the communication is from the node row 3 to the visible light communication connection.
  • the visible light communication in the first-stage visible light communication device is from the node row 3 to the second-level visible light communication device.
  • the visible light communication slave row is from the node;
  • the third-level visible light communication device includes
  • the two visible light communication devices are two smart home appliances 2, and the two smart home appliances 2 may be connected to the first
  • the corresponding visible light communication device of the second-stage visible light communication device is the next-level visible light communication device of the node row 3, and the visible light communication of the second-level visible light communication device is the smart home appliance of the corresponding third-level visible light communication device.
  • the upper-level visible light communication of the device 2 is inserted from the node.
  • the master node communication device 1 When the master node communication device 1 is powered on, the master node communication device 1 sends a corresponding initial packet message to each of the visible light communication devices in the first-level visible light communication device, and each of the first-level visible light communication devices
  • the initial packet message corresponding to the visible light communication device 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 is understandable that the first The first communication addresses of the visible light communication devices in the first-level visible light communication devices are different from each other, and the time division information / frequency division information corresponding to each of the first communication addresses is also different from each other.
  • each visible light communication device in the first-level visible light communication device can receive the corresponding initial packet message, it can parse the corresponding initial packet message to obtain the communication address of the master node communication device 1 and the first The communication address and the time division information / frequency division information corresponding to the first communication address, using the first communication address as a local communication address, and then according to the communication address of the master node communication device 1 and the first communication address corresponding to the first communication address
  • the time division information / frequency division information returns the corresponding first acknowledgement receiving message to the master node communication device 1; the master node communication device 1 receives the first acknowledgement receiving message corresponding to the visible light communication device in the first-level visible light communication device, explaining that The visible light communication device in the first-level visible light communication device has received the corresponding initial packet message, and then the 1 master node communication device and the visible light communication device corresponding to the first confirmation message are paired successfully.
  • the master node communication device 1 may communicate with each of the visible light of the first-level visible light communication device according to the first communication address of each of the first-level visible light communication devices.
  • the device performs visible light communication; each of the visible light communication devices in the first-level visible light communication device 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. .
  • each visible light communication device in the visible light communication device at the next lower level can send a corresponding packet message at the next level.
  • Each of the visible light communication devices in the device may receive a corresponding lower-level packet message.
  • the lower-level packet message corresponding to each of the lower-level visible light communication devices includes a communication address of a visible light communication slave node row 3, a second communication address, and a communication address with the second The time division information / frequency division information corresponding to the communication address; it can be understood that the second communication addresses of each of the visible light communication devices in the lower-level visible light communication devices are different from each other and correspond to each of the second communication addresses.
  • the time division information / frequency division information is also different from each other. After each visible light communication device in the lower-level visible light communication device receives the corresponding lower-level packet message, it can parse and obtain the communication address of the visible light communication slave node row 3, the second communication address, and the Time-division information / frequency-division information corresponding to the second communication address, using the second communication address as a local communication address, and then inserting the communication address of row 3 from the node according to visible light communication and the communication address corresponding to the second communication address The time division information / frequency division information returns a corresponding second acknowledgement receiving message to the visible light communication slave node.
  • the visible light communication receives from the node row 3 a second acknowledgement receiving message corresponding to the visible light communication device in the lower-level visible light communication device, indicating that the visible light communication device in the lower-level visible light communication device has received the corresponding next Level packet message, then the pairing of the visible light communication device corresponding to the second acknowledgement receiving message is completed.
  • the visible light communication slave node row 3 can respectively communicate with each of the second-level visible light communication devices according to the second communication address of each of the lower-level visible light communication devices.
  • the visible light communication device performs visible light communication; each of the visible light communication devices in the lower-level visible light communication device may communicate with the visible light slave node according to the communication address of the node 3 and the corresponding time division information / frequency division information of the visible light communication.
  • Strip 3 performs visible light communication.
  • the visible light communication device in the lower-level visible light communication device is the visible light communication slave node row 3
  • the visible light communication in the next-level visible light communication device is completed by the node plug-in row 3 and the upper-level visible light communication slave node is in the row. 3, and then repeat the pairing process of the above-mentioned visible light communication slave node row 3 with the next-level visible light communication device until the devices in the visible light communication system complete pairing.
  • the visible light communication system includes a master node communication device and at least one level of visible light communication devices.
  • Each level of visible light communication devices includes at least one smart home appliance device and / or a visible light communication slave node.
  • Each level of visible light communication devices includes smart devices.
  • the home appliances are connected to the visible light communication of the master node communication equipment, or to the visible light communication slave node of the upper level.
  • the visible light communication equipment included in each level of visible light communication equipment is connected to the visible light communication of the master node communication equipment, or The upper-level visible light communication inserts the visible light communication connection from the node, which can avoid interference and delay of wireless communication and improve the reliability of communication.
  • FIG. 2a is a schematic structural diagram of a visible light communication master node plug-in provided by an embodiment of the present disclosure
  • FIG. 2b is a schematic structural diagram of a visible light communication master node plug-in provided by another embodiment of the present disclosure, as shown in FIGS. 2a and 2b.
  • the visible light communication main node plug-in includes a plug 111, a first socket body 112, a first transformer, and a first visible light communication module, and the plug 111 is connected to the first through a first connection line 113
  • a socket body 112 the first transformer and the first visible light communication module are arranged in the first socket body 112, the first transformer is connected to the first visible light communication module, and the first transformer is used for connecting the city
  • the electric voltage is converted into an operating voltage of the first visible light communication module; wherein the first connection line 113 includes a power line and an outer sheath surrounding the power line; the first transformer and the first visible light communication module are located in the first
  • the specific installation position in a socket body 112 is set according to the actual situation, which is not limited in the embodiment of the present disclosure.
  • the first visible light communication module includes at least one first visible light transceiver unit 116 and a first visible light protocol processing unit 117.
  • the first visible light protocol processing unit 117 is connected to each of the first visible light transceiver units 116, and the first socket body 112 is provided.
  • At least one first jack 114, each first jack 114 is provided with a first visible light communication hole 115, the first visible light transceiver unit 116 corresponds to the first visible light communication hole 115, and each first visible light communication hole 115
  • a first visible light communication cable is provided between the first visible light transmitting and receiving unit 116 and the first visible light communication cable.
  • the first visible light communication cable is used for transmitting visible light signals to realize visible light between the first visible light communication module and the first-level visible light communication device.
  • each of the first visible light communication cables is fixedly disposed in the first socket body 112, and one end of each of the first visible light communication cables is inserted into a corresponding first visible light communication hole 115.
  • the plug 111 when in use, the plug 111 may be inserted into a household mains socket to obtain electrical energy.
  • the input end of the first transformer is connected to the power line included in the first connection line 113, and the output end of the first transformer is connected to all
  • the first visible light communication module is connected, and the 220V commercial power can be converted into a 5V or 3V voltage for use by the first visible light communication module.
  • the first visible light transceiving unit 116 is configured to convert visible light data from the first visible light protocol processing unit 117 into a visible light signal and send it, or convert the received visible light signal into visible light data and send it to the first visible light protocol processing unit 117; the first visible light
  • the transceiver unit 116 may be implemented by using a photodiode and a light-emitting diode.
  • the photo-diode is used to receive visible light signals, and the light-emitting diode is used to send visible light signals.
  • the first visible light protocol processing unit 117 is configured to generate visible light data or analyze the received visible light data, and may be implemented by using a single-chip microcomputer.
  • the first visible light communication cable is used to transmit the visible light signal sent by the first visible light transceiver unit 116, or transmit the visible light signal to the first visible light transceiver unit 16, for example, when the first When a visible light communication plug 21 is inserted into the first jack 114, one end of the third visible light communication cable passes through the third visible light communication hole 22 and the end of the first visible light communication cable passes through the first visible light communication hole 115.
  • the first visible light communication cable may transmit a visible light signal from the third visible light communication cable to the first visible light transceiver unit 116, or may transmit the visible light signal sent by the first visible light transceiver unit 116 to the third Visible light communication cable;
  • visible light communication is inserted from the second visible light communication plug 31 of the node row 3 into the first jack 114, one end of the fourth visible light communication cable passes through the fifth visible light communication hole 38 and the first One end of the visible light communication cable passing through the first visible light communication hole 115 is opposite, and the first visible light communication cable may be from the fourth visible light.
  • a visible light communication signal transmission cable to the transceiver unit 116 of the first visible light may be a visible light transmission of the first transceiver unit 116 emits visible light to said fourth communication cable.
  • the first visible light communication cable is a light guide post or a plastic optical cable.
  • the light guide post may be fixed in the first socket body 112 through a stopper, and the plastic optical cable may be fixed in the first socket body 112 through a buckle.
  • the plug 111 is a triangle plug or a two-pin plug; the first socket 114 is a triangle plug or a two-pin socket; the specific position of the first visible light communication hole 115 is set according to the actual situation, which is not limited in the embodiment of the present disclosure.
  • FIG. 3a is a schematic structural diagram of a visible light communication socket provided by an embodiment of the present disclosure
  • FIG. 3b is a schematic structural diagram of a visible light communication socket provided by another embodiment of the present disclosure, as shown in FIGS. 3a and 3b.
  • the visible light communication socket further includes a socket 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 body 121, and the second A transformer is connected to the second visible light communication module, and the second transformer is configured to convert a mains voltage to an operating voltage of the second visible light communication module;
  • the second visible light communication module includes at least one second visible light transceiver unit 122 and a second visible light protocol processing unit 123.
  • the second visible light protocol processing unit 123 is connected to each of the second visible light transceiver units 122, and at least one first Two jacks 124, each second jack 124 is provided with a second visible light communication hole 125, the second visible light transceiver unit 122 corresponds to the second visible light communication hole 125 one by one, and the second visible light communication hole 125 corresponds to the corresponding second
  • a second visible light communication cable is arranged between the visible light transmitting and receiving units 122, and the second visible light communication cable is used to transmit visible light signals to realize the visible light communication connection between the second visible light communication module and the first-level visible light communication device.
  • the second visible light communication cables are fixedly disposed in the socket body 122, and one end of each of the second visible light communication cables is inserted into a corresponding second visible light communication hole 125.
  • the visible light communication socket is usually installed 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.
  • the 220V commercial power can be converted into a 5V or 3V voltage for use by the second visible light communication module.
  • the second visible light transceiver 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 it, or convert the received visible light signal into visible light data and send it to the second visible light protocol processing unit 123; the second visible light
  • the transceiver unit 122 may be implemented by using a photodiode and a light-emitting diode.
  • the photo-diode is used to receive visible light signals, and the light-emitting diode is used to send visible light signals.
  • the visible light protocol processing unit 123 is configured to generate visible light data or analyze the received visible light data, and may be implemented by a single-chip microcomputer.
  • the visible light communication cable is used to transmit the visible light signal sent by the second visible light transceiver unit 122 or transmit the visible light signal to the second visible light transceiver unit 122, for example, when the first visible light of the smart home appliance 2
  • the communication plug 21 is inserted into the second jack 124, one end of the third visible light communication cable passes through the third visible light communication hole 22 and one end of the second visible light communication cable passes 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 transceiver unit 122, or may transmit the visible light signal emitted by the second visible light transceiver unit 122 to the third visible light communication.
  • the visible light communication is inserted from the second visible light communication plug 31 of the node row 3 into the second jack 124, one end of the fourth visible light communication cable passes through the fifth visible light communication hole 38 and communicates with the second visible light.
  • One end of the cable passing through the second visible light communication hole 125 is opposite, and the second visible light communication cable can transmit light from the fourth visible light.
  • a visible light signal to the second transmission channel cable visible-light communication unit 122 may be a visible light transmission of the second signal transceiving unit 122 emits a visible light of visible light to the fourth communication cable.
  • the second visible light communication cable is a light guide post or a plastic optical cable.
  • the light guide post may be fixed in the socket main body 121 by a stopper, and the plastic optical cable may be fixed in the socket main body 121 by a buckle.
  • 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 the actual situation, which is not limited in the embodiment of the present disclosure.
  • FIG. 4a is a schematic structural diagram of a smart home appliance provided by an embodiment of the present disclosure
  • FIG. 4b is a schematic structural diagram of a smart home appliance provided by another embodiment of the present disclosure.
  • the smart home appliance 2 includes a first Three visible light communication modules and a first visible light communication plug 21, the first visible light communication plug 21 connects the smart home appliance 2 to mains electricity through a second connection line 23, and the third visible light communication module includes a third visible light transceiver unit 24 and a first The three visible light protocol processing unit 25, the third visible light transceiver unit 24 and the third visible light protocol processing unit 25 are connected to each other.
  • the third visible light communication hole 22 is provided on the side where the first visible light communication plug 21 is provided, and the third visible light communication hole 22 is A third visible light communication cable is provided between the third visible light transceiver unit 24, and the third visible light communication cable is used to transmit visible light signals, so as to implement the third visible light communication module and the master node communication device 1 or the upper level.
  • the visible light communication is connected from the node to the visible light communication, and one end of the third visible light communication cable is inserted into the third visible light.
  • Communication holes 22 may be a plastic optical cable or an optical fiber
  • the second connection line 23 includes a power supply line and a sheath covering the power supply line, and the third visible light communication cable and the second connection line may be arranged.
  • the third visible light communication cable is wrapped in the outer skin of the second connecting line 23; the specific installation of the third transformer and the fourth visible light communication module in the second socket body 32
  • the position is set according to the actual situation, which is not limited in the embodiment of the present disclosure.
  • the third visible light communication cable passes through the third visible light communication hole 22 and the first visible light communication hole 22.
  • One end of a visible light communication cable passing through the first visible light communication hole 115 is opposite, 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, or may The visible light signal sent by the third visible light transceiver unit 24 is transmitted to the first visible light communication cable.
  • the third visible light communication cable passes through the third visible light communication hole 22 and the The end of the fifth visible light communication cable passing through the fourth visible light communication hole 35 is opposite, and the third visible light communication cable can transmit a visible light signal from the fifth visible light communication cable to the third visible light transceiver unit 24, The visible light signal sent by the third visible light transceiver unit 24 may also be transmitted to the fifth visible light communication cable.
  • FIG. 5a is a schematic structural diagram of a slave node row of visible light communication provided by an embodiment of the present disclosure
  • FIG. 5b is a schematic structural diagram of a slave node row of visible light communication provided by another embodiment of the present disclosure.
  • visible light The communication slave node strip 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 three transformers are connected to the fourth visible light communication module, and the third transformer is used to convert the mains voltage to the The working voltage of the fourth visible light communication module; wherein 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, which are not limited in the embodiments of the present disclosure.
  • a fifth visible light communication hole 38 is provided on the side where the second visible light communication plug 31 is provided, and a fourth visible light communication cable is provided between the fifth visible light communication hole 38 and the corresponding fourth visible light transceiver unit 36.
  • the fourth visible light The communication cable is used for transmitting visible light signals, and realizes the visible light communication connection between the fourth visible light communication module and the master node communication device or the upper-level visible light communication slave node.
  • the fourth visible light communication cable An end of the second visible light communication hole 38 is opposite to an end of the first visible light communication cable that passes through the first visible light communication hole 115.
  • the fourth visible light communication cable may pass the first visible light communication cable. Visible light signal is transmitted to the fourth visible light transceiver unit 36, and the visible light signal sent by the fourth visible light transceiver unit 36 may also be transmitted The first visible light communication cable.
  • the communication hole 38 is opposite to an end of the fifth visible light communication cable that is inserted through the node of the upper-level visible light communication through the fourth visible light communication hole 35, and the fourth visible light communication cable may be from the upper
  • the first-level visible light communication transmits the visible light signal of the fifth visible light communication cable inserted in the node to the fourth visible light transceiver unit 36, and may also transmit the visible light signal emitted by the fourth visible light transceiver unit 24 to the upper-level visible light.
  • the fifth visible light communication cable that communicates with a slave node.
  • the fourth visible light communication cable may be a plastic optical cable or an optical fiber
  • the third connection line 33 includes a power supply line and an outer sheath surrounding the power line
  • the fourth visible light communication cable and the third connection line 33 may be used.
  • the fourth visible light communication cable is wrapped in the outer skin of the third connection line 33;
  • the fifth visible light communication hole 38 may be a round hole, and the size of the round hole is set according to the actual situation.
  • the disclosed embodiments are not limited.
  • the fourth visible light communication module includes a plurality of fourth visible light transceiver units 36 and a fourth visible light protocol processing unit 37.
  • the fourth visible light protocol processing unit 37 is connected to each of the fourth visible light transceiver units 36, and the second socket body 32 is provided.
  • At least one third jack 34 each third jack 34 is provided with a fourth visible light communication hole 35
  • a fourth visible light transceiver unit 36 corresponds to the fifth visible light communication hole 38
  • the fourth visible light communication holes 35 correspond one-to-one
  • a fifth visible light communication cable is provided between each fourth visible light communication hole 35 and the corresponding fourth visible light transceiver unit 36, and the fifth visible light communication cable is used for transmitting visible light signals.
  • each of the fifth visible light communication cables is fixedly disposed in the second socket body 32, and each of the fifth visible light communication lines One end of the cable is inserted into the corresponding fourth visible light communication hole 35.
  • the first visible light communication plug 21 of the smart home appliance 2 in the lower 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 the The end of the fifth visible light communication cable passing through the fourth visible light communication hole 35 is opposite.
  • the fifth visible light communication cable can transmit the visible light signal from the third visible light communication cable to the fourth visible light transceiver unit 36.
  • the visible light signal sent by the fourth visible light transceiver unit 36 may be transmitted to the third visible light communication cable; similarly, when the visible light communication in the next visible light communication device is inserted from the second visible light communication plug 31 of the node row 3
  • the current visible light communication slave node inserts the third jack 34 of the node row 3
  • one end of the fourth visible light communication slave node inserts the end of the fourth visible light communication cable through the fifth visible light communication hole 38 and the current visible light communication slave
  • One end of the fifth visible light communication cable of the node plug-in 3 passing through the fourth visible light communication hole 35 is opposite, and the current visible light communication is from the node plug-in 3
  • the fifth visible light communication cable may transmit a visible light signal from the fourth visible light communication cable of the next visible light communication slave node row 3 to the corresponding fourth visible light transceiver unit 36, or may transmit the corresponding fourth visible light.
  • the visible light signal sent by the transceiver unit 36 is transmitted to the fourth visible light communication cable of the next-stage visible light
  • a second visible light communication plug 31 may be inserted into the visible light communication main node plug-in or the visible light communication socket, and the mains plug may be connected to the mains power through the visible light communication main node plug-in or the visible light communication socket.
  • the input end of the third transformer is connected to the power line included in the third connection line 33, and the output end of the third transformer is connected to the fourth visible light communication module, which can convert 220V mains power to 5V or 3V voltage for use by the fourth visible light communication module.
  • the fourth visible light transceiver 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 it, or convert the received visible light signal into visible light data and send it to the fourth visible light protocol processing unit 37; the fourth visible light
  • the transceiver unit 36 may be implemented by using a photodiode and a light-emitting diode.
  • the photo-diode is used to receive a visible light signal, and the light-emitting diode is used to send a visible light signal.
  • the fourth visible light protocol processing unit 37 is configured to generate visible light data or analyze the received visible light data, which may be implemented by a single-chip microcomputer.
  • the fifth visible light communication cable is used to transmit the visible light signal sent by the first visible light transceiver unit 36, or transmit the visible light signal to the fourth visible light transceiver unit 16.
  • the fifth visible light communication cable is a light guide post or a plastic optical cable.
  • the light guide post may be fixed in the second socket body 32 by a stopper, and the plastic optical cable may be fixed in the second socket body 32 by 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 plug or a two-pin jack; the specific position of the fourth visible light communication hole 35 is set according to the actual situation. Embodiments of the present disclosure No restrictions.
  • FIG. 6 is a schematic structural diagram of a master node communication device according to an embodiment of the present disclosure.
  • 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.
  • 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 visible light communication socket.
  • the second visible light communication module is connected.
  • the processor 11 may be implemented by a single-chip microcomputer, and the additional function module 12 is, for example, a temperature sensor or a relay.
  • the additional function module 12 is a relay, and the relay is used to control the communication and shutdown of the communication device of the master node with the mains power supply.
  • the additional function module 12 is a communication unit, which is used to implement wired or wireless communication.
  • the communication unit is, for example, a WiFi module, a Zigbee module, a Bluetooth module, a wired network card, etc. .
  • FIG. 7 is a schematic flowchart of a visible light communication method according to an embodiment of the present disclosure.
  • the visible light communication method provided by the present disclosure using the visible light communication system according to any of the foregoing embodiments includes:
  • the master node communication device separately sends a corresponding initial packet message to each visible light communication device in the first-level visible light communication device; each of the visible light communication devices in the first-level visible light communication device has a corresponding start packet.
  • the packet message includes a communication address of the communication device of the master node, a first communication address, and time division information / frequency division information corresponding to the first communication address;
  • the master node communication device 1 when the master node communication device 1 is powered on, the master node communication device 1 sends a respective corresponding initial packet message to each of the visible light communication devices in the first-level visible light communication device.
  • Each visible light communication device may receive a corresponding initial packet message.
  • the initial packet message corresponding to each of the visible light communication devices in the first-level visible light communication device may include a communication address of the master node communication device, a first communication address, and a correspondence with the first communication address.
  • Time-division information / frequency-division information the first communication addresses of each of the visible light communication devices in the first-level visible light communication device are different from each other, and the time-division information corresponding to each of the first communication addresses / Frequency division information is also different from each other.
  • the first communication address is used as a local communication address, and according to the master node communication device's The communication address and the time division information / frequency division information corresponding to the first communication address return a corresponding first acknowledgement receiving message to the master node communication device;
  • each of the visible light communication devices in the first-level visible light communication device receives the corresponding initial packet message, it can parse the corresponding initial packet message to obtain the communication address, address, and address of the master node communication device.
  • the first communication address and the time division information / frequency division information corresponding to the first communication address using the first communication address as a local communication address, and then according to the communication address of the master node communication device and the first communication address
  • the time division information / frequency division information corresponding to the communication address returns a corresponding first acknowledgement receiving message to the master node communication device.
  • the master node communication device receives a first confirmation reception 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 confirmation reception message. .
  • the master node communication device receives the first acknowledgement message corresponding to the visible light communication device in the first-level visible light communication device, indicating that the visible light communication device in the first-level visible light communication device has received the corresponding
  • the initial packet message, the master node communication device and the visible light communication device corresponding to the first confirmation message are paired successfully, and visible light communication can be performed.
  • 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 the second visible light communication cable is inserted into the second visible light communication hole.
  • One end of the opposite side of the third visible light communication cable is inserted into the third visible light communication hole to perform visible light signal transmission.
  • the second visible light communication module of the visible light communication socket A sends an initial packet message a, where the initial packet message a includes the communication address of the visible light communication socket A, the first communication address and the communication address with the The time division information corresponding to the first communication address, and the initial packet message a is transmitted to the third visible light communication module of the smart home appliance B through the second visible light communication cable and the third visible light communication cable, and the third visible light
  • the communication module parses and obtains the communication address of the visible light communication socket A, the first communication address and the time-division information corresponding to the first communication address, and converts the first communication address.
  • the first confirmation receiving message b indicates that the smart home appliance B has received the initial packet message a, and the visible light communication socket A and the smart home appliance B are successfully paired, and visible light communication can be performed.
  • FIG. 8 is a schematic flowchart of a visible light communication method according to another embodiment of the present disclosure. As shown in FIG. 8, based on the foregoing embodiments, further, the visible light communication method provided by the present disclosure further includes:
  • the visible light communication slave node After the visible light communication slave node is paired with the master node communication device or the upper-level visible light communication slave node, it transmits the corresponding lower-level communication to each visible light communication device in the lower-level visible light communication device.
  • each visible light communication device in the lower-level visible light communication device may send its own The corresponding lower-level packet message, and each of the visible-light communication devices in the lower-level visible light communication device may receive a corresponding lower-level packet message.
  • the lower-level packet message corresponding to each of the lower-level visible-light communication devices includes a communication address of the visible-light communication slave node, a second communication address, and a communication address with the first
  • the time division information / frequency division information corresponding to the two communication addresses it can be understood that the second communication addresses of each of the visible light communication devices in the lower-level visible light communication device are different from each other, and are different from each of the second communication addresses.
  • the corresponding time division information / frequency division information is also different from each other.
  • the second communication address is used as a local communication address, and the slave node according to the visible light communication
  • the inserted communication address and the time division information / frequency division information corresponding to the second communication address return the corresponding second acknowledgement receiving message to the visible light communication slave node;
  • each visible light communication device in the lower-level visible light communication device receives the corresponding lower-level packet message, it can parse and obtain the communication address of the visible light communication inserted from the node, and the second A communication address and time division information / frequency division information corresponding to the second communication address, using the second communication address as a local communication address, and then a communication address inserted from a node according to the visible light communication, and the communication address
  • the time division information / frequency division information corresponding to the two communication addresses returns a corresponding second acknowledgement receiving message to the visible light communication slave node.
  • the visible light communication receives a second confirmation reception message corresponding to the visible light communication device in the lower-level visible light communication device from the node row, and then completes the visible light communication device corresponding to the second confirmation reception message. Pairing
  • the visible light communication receives the second acknowledgement receiving message corresponding to the visible light communication device in the lower-level visible light communication device from the node row, indicating that the visible light communication device in the lower-level visible light communication device has received the The corresponding lower level packet message, then the pairing of the visible light communication device corresponding to the second acknowledgement receiving message is completed.
  • the visible light communication slave node array can perform visible light communication with the visible light communication device in the lower-level visible light communication device.
  • the pairing process of the visible light communication slave node row and the upper-level visible light communication slave node row is similar to the process of steps S704, S705, and S706.

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Abstract

本公开公开一种可见光通信系统及方法。其中，所述系统包括：主节点通信设备和至少一级可见光通信设备，每级所述可见光通信设备包括至少一个智能家电设备和/或可见光通信从节点插排，每级所述可见光通信设备包括的所述智能家电设备与所述主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，每级所述可见光通信设备包括的所述可见光通信从节点插排与所述主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接；其中，所述主节点通信设备为可见光通信主节点插排或者可见光通信插座。本公开提供的可见光通信系统及方法，能够避免无线通信的干扰和延时，提高了通信的可靠性。

Description

一种可见光通信系统及方法
相关申请的交叉引用
本申请要求于2018年9月21日提交的申请号为2018111082145，发明名称为“一种可见光通信系统及方法”的中国专利申请的优先权，其通过引用方式全部并入本公开。
技术领域
本公开涉及通信技术领域，具体涉及一种可见光通信系统及方法。
背景技术
智能家电设备是在互联网影响之下物联化的体现，通过物联网技术将家中的各种智能家电设备连接到一起，以实现智能设备的远程控制等多种功能。
随着无线通信技术的发展，已有多种无线通信方式用于构建智能家电设备的通信系统，如蓝牙、wifi、zigbee、4G等无线通信方式。在智能家居环境下，由于室内环境内的无线通信容易受到墙体和家具等物体阻挡，需要增加通信的功率以保障无线通信，而功率过高又容易导致智能家电设备之间无线通信的干扰，当存在多个智能家电通信时，需要较长时间进行联网搜索。
因此，如何提出一种用于智能家电的通信系统，能够避免无线通信的干扰和延时，以提高智能家电设备的通信可靠性成为业界亟待解决的重要课题。
发明内容
针对现有技术中的缺陷，本公开提供一种可见光通信系统及方法。
一方面，本公开提出一种可见光通信系统，包括主节点通信设备和至少一级可见光通信设备，其中：
每级所述可见光通信设备包括至少一个智能家电设备和/或可见光通信从节点插排，每级所述可见光通信设备包括的所述智能家电设备与所述主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可 见光通信连接，每级所述可见光通信设备包括的所述可见光通信从节点插排与所述主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接；其中，所述主节点通信设备为可见光通信主节点插排或者可见光通信插座。
其中，所述可见光通信主节点插排包括插头、第一插座本体、第一变压器和第一可见光通信模块，所述插头通过第一连接线连接所述第一插座本体，所述第一变压器和所述第一可见光通信模块设置在所述第一插座本体内，所述第一变压器与所述第一可见光通信模块相连，所述第一变压器用于将市电电压转换为所述第一可见光通信模块的工作电压；
所述第一可见光通信模块包括至少一个第一可见光收发单元和第一可见光协议处理单元，所述第一可见光协议处理单元分别与各个所述第一可见光收发单元相连，所述第一插座本体上设置至少一个第一插孔，每个所述第一插孔对应设置一个第一可见光通信孔，所述第一可见光收发单元与所述第一可见光通信孔一一对应，每个所述第一可见光通信孔与对应的第一可见光收发单元之间设置第一可见光通信线缆，所述第一可见光通信线缆用于传输可见光信号，实现所述第一可见光通信模块与第一级可见光通信设备的可见光通信连接，各条所述第一可见光通信线缆固定设置在所述第一插座本体内，每条所述第一可见光通信线缆的一端插入对应的所述第一可见光通信孔。
其中，所述可见光通信插座包括插座主体、第二变压器和第二可见光通信模块，所述第二变压器和所述第二可见光通信模块设置在所述插座主体内，所述第二变压器与所述第二可见光通信模块相连，所述第二变压器用于将市电电压转换为所述第二可见光通信模块的工作电压；
所述第二可见光通信模块包括至少一个第二可见光收发单元和第二可见光协议处理单元，所述第二可见光协议处理单元与各个所述第二可见光收发单元相连，所述插座主体上设置至少一个第二插孔，每个所述第二插孔对应设置一个第二可见光通信孔，所述第二可见光收发单元与所述第二可见光通信孔一一对应，所述第二可见光通信孔与对应的第二可见光收发单元之间设置第二可见光通信线缆，所述第二可见光通信线缆用于传输可见光信号，实现所述第二可见光通信模块与第一级可见光通信设备的可 见光通信连接，各条所述第二可见光通信线缆固定设置在所述插座主体内，每条所述第二可见光通信线缆的一端插入对应的所述第二可见光通信孔。
其中，所述智能家电设备包括第三可见光通信模块和第一可见光通信插头，所述第一可见光通信插头通过第二连接线将所述智能家电设备接入市电，所述第三可见光通信模块包括第三可见光收发单元和第三可见光协议处理单元，所述第三可见光收发单元和所述第三可见光协议处理单元相连，所述第一可见光通信插头设置插脚的一侧设置一个第三可见光通信孔，所述第三可见光通信孔与所述第三可见光收发单元之间设置第三可见光通信线缆，所述第三可见光通信线缆用于传输可见光信号，实现所述第三可见光通信模块与所述主节点通信设备或者所述上一级可见光通信从节点插排的可见光通信连接，所述第三可见光通信线缆的一端插入所述第三可见光通信孔。
其中，所述可见光通信从节点插排包括第二可见光通信插头、第二插座本体、第三变压器和第四可见光通信模块，所述第二可见光通信插头通过第三连接线连接所述第二插座本体，所述第三变压器和所述第四可见光通信模块设置在所述第二插座本体内，所述三变压器与所述第四可见光通信模块相连，所述第三变压器用于将市电电压转换为所述第四可见光通信模块的工作电压；
所述第二可见光通信插头设置插脚的一侧设置一个第五可见光通信孔，所述第五可见光通信孔与对应的第四可见光收发单元之间设置第四可见光通信线缆，所述第四可见光通信线缆用于传输可见光信号，实现所述第四可见光通信模块与所述主节点通信设备或者所述上一级可见光通信从节点插排的可见光通信连接，所述第四可见光通信线缆的一端插入所述第五可见光通信孔；
所述第四可见光通信模块包括多个第四可见光收发单元和第四可见光协议处理单元，所述第四可见光协议处理单元分别与各个所述第四可见光收发单元相连，所述第二插座本体上设置至少一个第三插孔，每个所述第三插孔对应设置一个第四可见光通信孔，一个所述第四可见光收发单元与所述第五可见光通信孔对应，其余的所述第四可见光收发单元与所述第四可见光通信孔一一对应，每个所述第四可见光通信孔与对应的第四可见 光收发单元之间设置第五可见光通信线缆，所述第五可见光通信线缆用于传输可见光信号，实现所述第四可见光通信模块与下一级可见光通信设备的可见光通信连接，各条所述第五可见光通信线缆固定设置在所述第二插座本体内，每条所述第五可见光通信线缆的一端插入对应的所述第四可见光通信孔。
其中，所述主节点通信设备包括处理器和附加功能模块，所述处理器与所述附加功能模块相连。
其中，所述附加功能模块为继电器，所述继电器用于控制所述主节点通信设备与市电电源的连通和关断。
其中，所述附加功能模块为通信单元，所述通信单元用于实现有线或者无线通信。
另一方面，本公开提供一种采用上述任一实施例所述的可见光通信系统的可见光通信方法，包括：
主节点通信设备分别向第一级可见光通信设备中的各个可见光通信设备发送各自对应的起始封包消息；所述第一级可见光通信设备中的每个所述可见光通信设备对应的起始封包消息包括所述主节点通信设备的通信地址、第一通信地址以及与所述第一通信地址对应的时分信息/频分信息；
所述第一级可见光通信设备中的每个所述可见光通信设备接收到对应的起始封包消息之后，将所述第一通信地址作为本地通信地址，并根据所述主节点通信设备的通信地址以及与所述第一通信地址对应的时分信息/频分信息向所述主节点通信设备返回对应的第一确认接收消息；
所述主节点通信设备接收到所述第一级可见光通信设备中的可见光通信设备对应的第一确认接收消息，则完成与所述第一确认接收消息对应的所述可见光通信设备的配对。
其中，所述可见光通信方法还包括：
可见光通信从节点插排在完成与所述主节点通信设备或者上一级可见光通信从节点插排的配对之后，分别向下一级可见光通信设备中的各个可见光通信设备发送各自对应的下一级封包消息；其中，所述下一级可见光通信设备中的每个所述可见光通信设备对应的下一级封包消息包括所述可见光通信从节点插排的通信地址、第二通信地址以及与所述第二通信 地址对应的时分信息/频分信息；
所述下一级可见光通信设备中的每个所述可见光通信设备接收到对应的下一级封包消息之后，将所述第二通信地址作为本地通信地址，并根据所述可见光通信从节点插排的通信地址以及与第二通信地址对应的时分信息/频分信息向所述可见光通信从节点插排返回对应的第二确认接收消息；
所述可见光通信从节点插排接收到所述下一级可见光通信设备中的可见光通信设备对应的第二确认接收消息，则完成与所述第二确认接收消息对应的所述可见光通信设备的配对。
本公开提供的可见光通信系统及方法，包括主节点通信设备和至少一级可见光通信设备，每级可见光通信设备包括至少一个智能家电设备和/或可见光通信从节点插排，每级可见光通信设备包括的智能家电设备与主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，每级可见光通信设备包括的可见光通信从节点插排与主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，能够避免无线通信的干扰和延时，提高了通信的可靠性。
附图说明
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本公开一实施例提供的可见光通信系统的结构示意图；
图2a为本公开一实施例提供的可见光通信主节点插排的结构示意图；
图2b为本公开另一实施例提供的可见光通信主节点插排的结构示意图；
图3a为本公开一实施例提供的可见光通信插座的结构示意图；
图3b为本公开另一实施例提供的可见光通信插座的结构示意图；
图4a为本公开一实施例提供的智能家电设备的结构示意图；
图4b为本公开另一实施例提供的智能家电设备的结构示意图；
图5a为本公开一实施例提供的可见光通信从节点插排的结构示意图；
图5b为本公开另一实施例提供的可见光通信从节点插排的结构示意图；
图6为本公开一实施例提供的主节点通信设备的结构示意图；
图7为本公开一实施例提供的可见光通信方法的流程示意图；
图8为本公开另一实施例提供的可见光通信方法的流程示意图；
附图标记说明：
1-主节点通信设备；              2-智能家电设备；
3-可见光通信从节点插排；        11-处理器；
12-附加功能模块；               111-插头；
112-第一插座本体；              113-第一连接线；
114-第一插孔；                  115-第一可见光通信孔；
116-第一可见光收发单元；        117-第一可见光协议处理单元；
121-插座主体；                  122-第二可见光收发单元；
123-第二可见光协议处理单元；    124-第二插孔；
125-第二可见光通信孔；          21-第一可见光通信插头；
22-第三可见光通信孔；           23-第二连接线；
24-第三可见光收发单元；         25-第三可见光协议处理单元；
31-第二可见光通信插头；         32-第二插座本体；
33-第三连接线；                 34-第三插孔；
35-第四可见光通信孔；           36-第四可见光收发单元；
37-第四可见光协议处理单元；     38-第五可见光通信孔。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
图1为本公开一实施例提供的可见光通信系统的结构示意图，如图1 所示，本公开提供的可见光通信系统，包括主节点通信设备1和至少一级可见光通信设备，其中：
每级所述可见光通信设备包括至少一个智能家电设备2和/或可见光通信从节点插排3，每级所述可见光通信设备包括的智能家电设备2与主节点通信设备1可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，每级所述可见光通信设备包括的可见光通信从节点插排3与主节点通信设备1可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接。其中，主节点通信设备1为可见光通信主节点插排或者可见光通信插座。
具体地，主节点通信设备1可以采用可见光通信主节点插排或者可见光通信插座，所述可见光通信主节点插排是具有可见光通信功能的插排，所述可见光通信插座是具有可见光通信功能的插座，主节点通信设备1在将市电供给各级所述可见光通信设备的同时，还可以与各级所述可见光通信设备进行可见光通信。每级所述可见光通信设备包括至少一个智能家电设备2和/或可见光通信从节点插排3，智能家电设备2包括智能电视、智能冰箱、智能洗衣机等可以进行可见光通信的家电设备，属于第一级所述可见光通信设备的智能家电设备2与主节点通信设备1可见光通信连接，并通过主节点通信设备1获取电能，属于除第一级以外的各级所述可见光通信设备的智能家电设备2与上一级可见光通信主节点插排可见光通信连接，并通过所述上一级可见光通信主节点插排获取电能。属于第一级所述可见光通信设备的可见光通信从节点插排3与主节点通信设备1可见光通信连接，并可以与第二级所述可见光通信设备可见光通信连接，属于除第一级以外的各级所述可见光通信设备的可见光通信从节点插排3与所述上一级可见光通信主节点插排可见光通信连接，并可以与下一级所述可见光通信设备可见光通信连接，可见光通信从节点插排3还用于传输电能。
如图1所示，第一级可见光通信设备包括三个所述可见光通信设备，为两个智能家电设备2和一个可见光通信从节点插排3，第一级可见光通信设备中的每个所述可见光通信设备通过主节点通信设备1接入市电，还可以分别与主节点通信设备1可见光通信连接；第二级可见光通信设备包括三个所述可见光通信设备，为一个智能家电设备2和两个可见光通信从 节点插排3，第二级可见光通信设备中的每个所述可见光通信设备通过可见光通信从节点插排3接入市电，还可以分别与第一级可见光通信设备中的可见光通信从节点插排3可见光通信连接，第一级可见光通信设备中的可见光通信从节点插排3为第二级可见光通信设备的上一级可见光通信从节点插排；第三级可见光通信设备包括两个所述可见光通信设备，为两个智能家电设备2，两个智能家电设备2可以分别与第二级可见光通信设备中的两个可见光通信从节点插排3一一对应可见光通信，并通过对应的可见光通信从节点插排3接入市电，第三级可见光通信设备的智能家电设备2为对应的第二级可见光通信设备的可见光通信从节点插排3的下一级可见光通信设备，第二级可见光通信设备的可见光通信从节点插排3为对应的第三级可见光通信设备的智能家电设备2的上一级可见光通信从节点插排。
当主节点通信设备1通电时，主节点通信设备1分别向第一级可见光通信设备中各个所述可见光通信设备发送各自对应的起始封包消息，所述第一级可见光通信设备中的每个所述可见光通信设备对应的起始封包消息可以包括主节点通信设备1的通信地址、第一通信地址以及与所述第一通信地址对应的时分信息/频分信息；可理解的是，所述第一级可见光通信设备中的各个所述可见光通信设备的第一通信地址互不相同，与各个所述第一通信地址对应的时分信息/频分信息也互不相同。所述第一级可见光通信设备中的每个所述可见光通信设备可以接收到对应的起始封包消息之后，可以解析对应的起始封包消息获得主节点通信设备1的通信地址、所述第一通信地址以及与所述第一通信地址对应的时分信息/频分信息，将第一通信地址作为本地的通信地址，然后根据主节点通信设备1的通信地址以及与所述第一通信地址对应的时分信息/频分信息向主节点通信设备1返回对应的第一确认接收消息；主节点通信设备1接收到所述第一级可见光通信设备中的可见光通信设备对应的第一确认接收消息，说明所述第一级可见光通信设备中的可见光通信设备已经收到对应的起始封包消息，那么1主节点通信设备与所述第一确认消息对应的可见光通信设备配对成功。配对完成之后，主节点通信设备1可以根据所述第一级可见光通信设备中的各个所述可见光通信设备的第一通信地址，分别与所述第一级可见光通 信设备中的各个所述可见光通信设备进行可见光通信；所述第一级可见光通信设备中的各个所述可见光通信设备可以根据主节点通信设备1的通信地址以及对应的时分信息/频分信息，与主节点通信设备1进行可见光通信。
可见光通信从节点插排3在完成与主节点通信设备1配对之后，可以分别向下一级可见光通信设备中的各个可见光通信设备发送各自对应的下一级封包消息，所述下一级可见光通信设备中的各个所述可见光通信设备可以接收到各自对应的下一级封包消息。其中，所述下一级可见光通信设备中的每个所述可见光通信设备对应的所述下一级封包消息包括可见光通信从节点插排3的通信地址、第二通信地址以及与所述第二通信地址对应的时分信息/频分信息；可理解的是，所述下一级可见光通信设备中的各个所述可见光通信设备的第二通信地址互不相同，与各个所述第二通信地址对应的时分信息/频分信息也互不相同。所述下一级可见光通信设备中的每个所述可见光通信设备接收到对应的下一级封包消息之后，可以解析获得可见光通信从节点插排3的通信地址、所述第二通信地址以及与所述第二通信地址对应的时分信息/频分信息，将所述第二通信地址作为本地的通信地址，然后根据可见光通信从节点插排3的通信地址以及与所述第二通信地址对应的时分信息/频分信息向所述可见光通信从节点插排返回对应的第二确认接收消息。可见光通信从节点插排3接收到所述下一级可见光通信设备中的可见光通信设备对应的第二确认接收消息，说明所述下一级可见光通信设备中的可见光通信设备接收到了对应的下一级封包消息，那么完成与所述第二确认接收消息对应的所述可见光通信设备的配对。配对完成之后，可见光通信从节点插排3可以根据所述下一级可见光通信设备中的各个所述可见光通信设备的第二通信地址，分别与所述第二级可见光通信设备中的各个所述可见光通信设备进行可见光通信；所述下一级可见光通信设备中的各个所述可见光通信设备可以根据可见光通信从节点插排3的通信地址以及对应的时分信息/频分信息，与可见光通信从节点插排3进行可见光通信。
当所述下一级可见光通信设备中的可见光通信设备为可见光通信从节点插排3时，下一级可见光通信设备中的可见光通信从节点插排3完成与其上一级可见光通信从节点插排3的配对，然后重复上述可见光通信从 节点插排3与下一级可见光通信设备的配对过程，直到所述可见光通信系统中的设备完成配对。
本公开提供的可见光通信系统，包括主节点通信设备和至少一级可见光通信设备，每级可见光通信设备包括至少一个智能家电设备和/或可见光通信从节点插排，每级可见光通信设备包括的智能家电设备与主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，每级可见光通信设备包括的可见光通信从节点插排与主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，能够避免无线通信的干扰和延时，提高了通信的可靠性。
图2a为本公开一实施例提供的可见光通信主节点插排的结构示意图，图2b为本公开另一实施例提供的可见光通信主节点插排的结构示意图，如图2a和2b所示，在上述各实施例的基础上，进一步地，所述可见光通信主节点插排包括插头111、第一插座本体112、第一变压器和第一可见光通信模块，插头111通过第一连接线113连接第一插座本体112，所述第一变压器和所述第一可见光通信模块设置在第一插座本体112内，所述第一变压器与所述第一可见光通信模块相连，所述第一变压器用于将市电电压转换为所述第一可见光通信模块的工作电压；其中，第一连接线113包括电源线和包裹所述电源线的外皮；所述第一变压器和所述第一可见光通信模块的在第一插座本体112内的具体安装位置根据实际情况进行设置，本公开实施例不做限定。
所述第一可见光通信模块包括至少一个第一可见光收发单元116和第一可见光协议处理单元117，第一可见光协议处理单元117分别与各个第一可见光收发单元116相连，第一插座本体112上设置至少一个第一插孔114，每个第一插孔114对应设置一个第一可见光通信孔115，第一可见光收发单元116与第一可见光通信孔115一一对应，每个第一可见光通信孔115与对应的第一可见光收发单元116之间设置第一可见光通信线缆，所述第一可见光通信线缆用于传输可见光信号，实现所述第一可见光通信模块与第一级可见光通信设备的可见光通信连接，各条所述第一可见光通信线缆固定设置在第一插座本体112内，每条所述第一可见光通信线缆的一端插入对应的第一可见光通信孔115。
具体地，在使用时，可以将插头111插入家用市电插座以获取电能，所述第一变压器的输入端与第一连接线113包括的电源线相连，所述第一变压器的输出端与所述第一可见光通信模块相连，可以将220V市电转换为5V或者3V电压，以供所述第一可见光通信模块使用。第一可见光收发单元116用于将来自第一可见光协议处理单元117的可见光数据转换为可见光信号发出，或者将接收到的可见光信号转换为可见光数据发送给第一可见光协议处理单元117；第一可见光收发单元116可以采用光电二级管和发光二级管实现，所述光电二级管用于接收可见光信号，所述发光二级管用于发出可见光信号。第一可见光协议处理单元117用于生成可见光数据或者解析接收到的可见光数据，可以采用单片机实现。所述第一可见光通信线缆用于将第一可见光收发单元116发出的所述可见光信号传出，或者将所述可见光信号传输给第一可见光收发单元16，例如，当智能家电设备2的第一可见光通信插头21插入第一插孔114时，第三可见光通信线缆的一端穿过第三可见光通信孔22与所述第一可见光通信线缆穿过第一可见光通信孔115的一端相对，所述第一可见光通信线缆可以将来自所述第三可见光通信线缆的可见光信号传输给第一可见光收发单元116，也可以将第一可见光收发单元116发出的可见光信号传输给所述第三可见光通信线缆；同理当可见光通信从节点插排3的第二可见光通信插头31插入第一插孔114时，第四可见光通信线缆的一端穿过第五可见光通信孔38与所述第一可见光通信线缆穿过第一可见光通信孔115的一端相对，所述第一可见光通信线缆可以将来自所述第四可见光通信线缆的可见光信号传输给第一可见光收发单元116，也可以将第一可见光收发单元116发出的可见光信号传输给所述第四可见光通信线缆。所述第一可见光通信线缆为导光柱或者塑料光缆，所述导光柱可以通过限位件固定在第一插座本体112内，所述塑料光缆可以通过卡扣固定在第一插座本体112内。其中，插头111为三角插头或者两脚插头；第一插孔114为三角插孔或者两脚插孔；第一可见光通信孔115的具体位置根据实际情况进行设置，本公开实施例不做限定。
图3a为本公开一实施例提供的可见光通信插座的结构示意图，图3b为本公开另一实施例提供的可见光通信插座的结构示意图，如图3a和图 3b所示，在上述各实施例的基础上，进一步地，所述可见光通信插座包括插座主体121、第二变压器和第二可见光通信模块，所述第二变压器和所述第二可见光通信模块设置在插座主体121内，所述第二变压器与所述第二可见光通信模块相连，所述第二变压器用于将市电电压转换为所述第二可见光通信模块的工作电压；
所述第二可见光通信模块包括至少一个第二可见光收发单元122和第二可见光协议处理单元123，第二可见光协议处理单元123与各个第二可见光收发单元122相连，插座主体121上设置至少一个第二插孔124，每个第二插孔124对应设置一个第二可见光通信孔125，第二可见光收发单元122与第二可见光通信孔125一一对应，第二可见光通信孔125与对应的第二可见光收发单元122之间设置第二可见光通信线缆，所述第二可见光通信线缆用于传输可见光信号，实现所述第二可见光通信模块与第一级可见光通信设备的可见光通信连接，各条所述第二可见光通信线缆固定设置在插座主体122内，每条所述第二可见光通信线缆的一端插入对应的第二可见光通信孔125。
具体地，所述可见光通信插座通常安装在墙壁上，所述第二变压器的输入端与所述可见光通信插座的电源线相连，所述第二变压器的输出端与所述第二可见光通信模块相连，可以将220V市电转换为5V或者3V电压，以供所述第二可见光通信模块使用。第二可见光收发单元122用于将来自第二可见光协议处理单元123的可见光数据转换为可见光信号发出，或者将接收到的可见光信号转换为可见光数据发送给第二可见光协议处理单元123；第二可见光收发单元122可以采用光电二级管和发光二级管实现，所述光电二级管用于接收可见光信号，所述发光二级管用于发出可见光信号。可见光协议处理单元123用于生成可见光数据或者解析接收到的可见光数据，可以采用单片机实现。所述可见光通信线缆用于将第二可见光收发单元122发出的所述可见光信号传出，或者将所述可见光信号传输给第二可见光收发单元122，例如，当智能家电设备2的第一可见光通信插头21插入第二插孔124时，第三可见光通信线缆的一端穿过第三可见光通信孔22与所述第二可见光通信线缆穿过第二可见光通信孔125的一端相对，所述第二可见光通信线缆可以将来自所述第三可见光通信线缆的可见光 信号传输给第二可见光收发单元122，也可以将第二可见光收发单元122发出的可见光信号传输给所述第三可见光通信线缆；同理当可见光通信从节点插排3的第二可见光通信插头31插入第二插孔124时，第四可见光通信线缆的一端穿过第五可见光通信孔38与所述第二可见光通信线缆穿过第二可见光通信孔125的一端相对，所述第二可见光通信线缆可以将来自所述第四可见光通信线缆的可见光信号传输给第二可见光收发单元122，也可以将第二可见光收发单元122发出的可见光信号传输给所述第四可见光通信线缆。所述第二可见光通信线缆为导光柱或者塑料光缆，所述导光柱可以通过限位件固定在插座主体121内，所述塑料光缆可以通过卡扣固定在插座主体121内。其中，第二插孔124为三角插孔或者两脚插孔；第二可见光通信孔125的具体位置根据实际情况进行设置，本公开实施例不做限定。
图4a为本公开一实施例提供的智能家电设备的结构示意图，图4b为本公开另一实施例提供的智能家电设备的结构示意图，如图4a和如4b所示，智能家电设备2包括第三可见光通信模块和第一可见光通信插头21，第一可见光通信插头21通过第二连接线23将智能家电设备2接入市电，所述第三可见光通信模块包括第三可见光收发单元24和第三可见光协议处理单元25，第三可见光收发单元24和第三可见光协议处理单元25相连，第一可见光通信插头21设置插脚的一侧设置一个第三可见光通信孔22，第三可见光通信孔22与第三可见光收发单元24之间设置第三可见光通信线缆，所述第三可见光通信线缆用于传输可见光信号，实现所述第三可见光通信模块与主节点通信设备1或者所述上一级可见光通信从节点插排的可见光通信连接，所述第三可见光通信线缆的一端插入第三可见光通信孔22。其中，所述第三可见光通信线缆可以采用塑料光缆或者光纤，第二连接线23包括电源线和包裹所述电源线的外皮，可以将所述第三可见光通信线缆与第二连接线设置在一起，例如将所述第三可见光通信线缆包裹在所述第二连接线23的外皮内；所述第三变压器和所述第四可见光通信模块的在第二插座本体32内的具体安装位置根据实际情况进行设置，本公开实施例不做限定。
例如，智能家电设备2的第一可见光通信插头21插入所述可见光通 信主节点插排的第一插孔114时，第三可见光通信线缆的一端穿过第三可见光通信孔22与所述第一可见光通信线缆穿过第一可见光通信孔115的一端相对，所述第三可见光通信线缆可以将来自所述第一可见光通信线缆的可见光信号传输给第三可见光收发单元24，也可以将第三可见光收发单元24发出的可见光信号传输给所述第一可见光通信线缆。当智能家电设备2的第一可见光通信插头21插入所述上一级可见光通信从节点插排的第三插孔34时，第三可见光通信线缆的一端穿过第三可见光通信孔22与所述第五可见光通信线缆穿过第四可见光通信孔35的一端相对，所述第三可见光通信线缆可以将来自所述第五可见光通信线缆的可见光信号传输给第三可见光收发单元24，也可以将第三可见光收发单元24发出的可见光信号传输给所述第五可见光通信线缆。
图5a为本公开一实施例提供的可见光通信从节点插排的结构示意图，图5b为本公开另一实施例提供的可见光通信从节点插排的结构示意图，如图5a和5b所示，可见光通信从节点插排3包括第二可见光通信插头31、第二插座本体32、第三变压器和第四可见光通信模块，第二可见光通信插头31通过第三连接线33连接第二插座本体32，所述第三变压器和所述第四可见光通信模块设置在第二插座本体32内，所述三变压器与所述第四可见光通信模块相连，所述第三变压器用于将市电电压转换为所述第四可见光通信模块的工作电压；其中，所述第三变压器和所述第四可见光通信模块的在第二插座本体32内的具体安装位置根据实际情况进行设置，本公开实施例不做限定。
第二可见光通信插头31设置插脚的一侧设置一个第五可见光通信孔38，第五可见光通信孔38与对应的第四可见光收发单元36之间设置第四可见光通信线缆，所述第四可见光通信线缆用于传输可见光信号，实现所述第四可见光通信模块与所述主节点通信设备或者所述上一级可见光通信从节点插排的可见光通信连接，所述第四可见光通信线缆的一端插入第五可见光通信孔38，例如，可见光通信从节点插排3的第二可见光通信插头31插入所述可见光通信主节点插排的第一插孔114时，所述第四可见光通信线缆的一端穿过第五可见光通信孔38与所述第一可见光通信线缆穿过第一可见光通信孔115的一端相对，所述第四可见光通信线缆可以将 来自所述第一可见光通信线缆的可见光信号传输给第四可见光收发单元36，也可以将第四可见光收发单元36发出的可见光信号传输给所述第一可见光通信线缆。当可见光通信从节点插排3的第二可见光通信插头31插入所述上一级可见光通信从节点插排的第三插孔34时，所述第四可见光通信线缆的一端穿过第五可见光通信孔38与所述上一级可见光通信从节点插排的所述第五可见光通信线缆穿过第四可见光通信孔35的一端相对，所述第四可见光通信线缆可以将来自所述上一级可见光通信从节点插排的所述第五可见光通信线缆的可见光信号传输给第四可见光收发单元36，也可以将第四可见光收发单元24发出的可见光信号传输给所述上一级可见光通信从节点插排的所述第五可见光通信线缆。其中，所述第四可见光通信线缆可以采用塑料光缆或者光纤，第三连接线33包括电源线和包裹所述电源线的外皮，可以将所述第四可见光通信线缆与第三连接线33设置在一起，例如，将所述第四可见光通信线缆包裹在第三连接线33的外皮内；所述第五可见光通信孔38可以为圆孔，圆孔的大小根据实际情况进行设置，本公开实施例不做限定。
所述第四可见光通信模块包括多个第四可见光收发单元36和第四可见光协议处理单元37，第四可见光协议处理单元37分别与各个第四可见光收发单元36相连，第二插座本体32上设置至少一个第三插孔34，每个第三插孔34对应设置一个第四可见光通信孔35，一个第四可见光收发单元36与第五可见光通信孔38对应，其余的第四可见光收发单元36与第四可见光通信孔35一一对应，每个第四可见光通信孔35与对应的第四可见光收发单元36之间设置第五可见光通信线缆，所述第五可见光通信线缆用于传输可见光信号，实现所述第四可见光通信模块与下一级可见光通信设备的可见光通信连接，各条所述第五可见光通信线缆固定设置在第二插座本体32内，每条所述第五可见光通信线缆的一端插入对应的第四可见光通信孔35。例如，所述下一级可见光通信设备中的智能家电设备2的第一可见光通信插头21插入第三插孔34时，第三可见光通信线缆的一端穿过第三可见光通信孔22与所述第五可见光通信线缆穿过第四可见光通信孔35的一端相对，所述第五可见光通信线缆可以将来自所述第三可见光通信线缆的可见光信号传输给第四可见光收发单元36，也可以将第四 可见光收发单元36发出的可见光信号传输给所述第三可见光通信线缆；同理当所述下一级可见光通信设备中的可见光通信从节点插排3的第二可见光通信插头31插入当前的可见光通信从节点插排3的第三插孔34时，下一级可见光通信从节点插排3的第四可见光通信线缆的一端穿过第五可见光通信孔38与当前的可见光通信从节点插排3的所述第五可见光通信线缆穿过第四可见光通信孔35的一端相对，当前的可见光通信从节点插排3的所述第五可见光通信线缆可以将来自下一级可见光通信从节点插排3的所述第四可见光通信线缆的可见光信号传输给对应的第四可见光收发单元36，也可以将对应第四可见光收发单元36发出的可见光信号传输给下一级可见光通信从节点插排3的所述第四可见光通信线缆。
具体地，在使用时，可以将第二可见光通信插头31插入所述可见光通信主节点插排或者所述可见光通信插座，通过所述可见光通信主节点插排或者所述可见光通信插座连接市电以获取电能，所述第三变压器的输入端与第三连接线33包括的电源线相连，所述第三变压器的输出端与所述第四可见光通信模块相连，可以将220V市电转换为5V或者3V电压，以供所述第四可见光通信模块使用。第四可见光收发单元36用于将来自第四可见光协议处理单元37的可见光数据转换为可见光信号发出，或者将接收到的可见光信号转换为可见光数据发送给第四可见光协议处理单元37；第四可见光收发单元36可以采用光电二级管和发光二级管实现，所述光电二级管用于接收可见光信号，所述发光二级管用于发出可见光信号。第四可见光协议处理单元37用于生成可见光数据或者解析接收到的可见光数据，可以采用单片机实现。所述第五可见光通信线缆用于将第一可见光收发单元36发出的所述可见光信号传出，或者将所述可见光信号传输给第四可见光收发单元16。所述第五可见光通信线缆为导光柱或者塑料光缆，所述导光柱可以通过限位件固定在第二插座本体32内，所述塑料光缆可以通过卡扣固定在第二插座本体32内。其中，第二可见光通信插头31为三角插头或者两脚插头；第三插孔34为三角插孔或者两脚插孔；第四可见光通信孔35的具体位置根据实际情况进行设置，本公开实施例不做限定。
图6为本公开一实施例提供的主节点通信设备的结构示意图，如图6 所示，主节点通信设备1包括处理器11和附加功能模块12，处理器11与附加功能模块12相连。当主节点通信设备1为所述可见光通信主节点插排时，处理器11可以与所述第一可见光通信模块相连；当主节点通信设备1为所述可见光通信插座时，处理器11可以与所述第二可见光通信模块相连。处理器11可以采用单片机实现，附加功能模块12例如为温度传感器、继电器等。
在上述各实施例的基础上，进一步地，附加功能模块12为继电器，所述继电器用于控制所述主节点通信设备与市电电源的连通和关断。
在上述各实施例的基础上，进一步地，附加功能模块12为通信单元，所述通信单元用于实现有线或者无线通信，所述通信单元例如为WiFi模块、Zigbee模块、蓝牙模块、有线网卡等。
图7为本公开一实施例提供的可见光通信方法的流程示意图，如图7所示，本公开提供的采用上述任一实施例所述的可见光通信系统的可见光通信方法，包括：
S701、主节点通信设备分别向第一级可见光通信设备中的各个可见光通信设备发送各自对应的起始封包消息；所述第一级可见光通信设备中的每个所述可见光通信设备对应的起始封包消息包括所述主节点通信设备的通信地址、第一通信地址以及与所述第一通信地址对应的时分信息/频分信息；
具体地，当主节点通信设备1通电时，主节点通信设备1分别向第一级可见光通信设备中各个所述可见光通信设备发送各自对应的起始封包消息，所述第一级可见光通信设备中的每个所述可见光通信设备可以接收对应的起始封包消息。其中，所述第一级可见光通信设备中的每个所述可见光通信设备对应的起始封包消息可以包括所述主节点通信设备的通信地址、第一通信地址以及与所述第一通信地址对应的时分信息/频分信息；可理解的是，所述第一级可见光通信设备中的各个所述可见光通信设备的第一通信地址互不相同，与各个所述第一通信地址对应的时分信息/频分信息也互不相同。
S702、所述第一级可见光通信设备中的每个所述可见光通信设备接收到对应的起始封包消息之后，将所述第一通信地址作为本地通信地址，并 根据所述主节点通信设备的通信地址以及与所述第一通信地址对应的时分信息/频分信息向所述主节点通信设备返回对应的第一确认接收消息；
具体地，所述第一级可见光通信设备中的每个所述可见光通信设备接收到对应的起始封包消息之后，可以解析对应的起始封包消息获得所述主节点通信设备的通信地址、所述第一通信地址以及与所述第一通信地址对应的时分信息/频分信息，将第一通信地址作为本地的通信地址，然后根据所述主节点通信设备的通信地址以及与所述第一通信地址对应的时分信息/频分信息向所述主节点通信设备返回对应的第一确认接收消息。
S703、所述主节点通信设备接收到所述第一级可见光通信设备中的可见光通信设备对应的第一确认接收消息，则完成与所述第一确认接收消息对应的所述可见光通信设备的配对。
具体地，所述主节点通信设备接收到所述第一级可见光通信设备中的可见光通信设备对应的第一确认接收消息，说明所述第一级可见光通信设备中的可见光通信设备已经收到对应的起始封包消息，那么所述主节点通信设备与所述第一确认消息对应的可见光通信设备配对成功，可以进行可见光通信。
例如，可见光通信插座A与智能家电设备B构成可见光通信系统，智能家电设备B的第一可见光通信插头插入可见光通信插座A的第二插孔，第二可见光通信线缆的插入第二可见光通信孔的一端与第三可见光通信线缆插入第三可见光通信孔的一端相对进行可见光信号传输。当可见光通信插座A上电时，可见光通信插座A的第二可见光通信模块发送起始封包消息a，起始封包消息a包括可见光通信插座A的通信地址，所述第一通信地址以及与所述第一通信地址对应的时分信息，起始封包消息a经过所述第二可见光通信线缆和所述第三可见光通信线缆传输给智能家电设备B的第三可见光通信模块，所述第三可见光通信模块在接收到所述起始封包消息a之后，解析获得可见光通信插座A的通信地址，所述第一通信地址以及与所述第一通信地址对应的时分信息，将所述第一通信地址作为本地的通信地址，然后根据可见光通信插座A的通信地址和与所述第一通信地址对应的时分信息发送第一确认接收消息b，第一确认接收消息b经过所述第三可见光通信线缆和所述第二可见光通信线缆传输给第二可 见光通信模块，第二可见光通信模块接收到的第一确认接收消息b，说明智能家电设备B接收到了起始封包消息a，可见光通信插座A与智能家电设备B之间配对成功，可以进行可见光通信。
图8为本公开另一实施例提供的可见光通信方法的流程示意图，如图8所示，在上述各实施例的基础上，进一步地，本公开提供的可见光通信方法还包括：
S704、可见光通信从节点插排在完成与所述主节点通信设备或者上一级可见光通信从节点插排的配对之后，分别向下一级可见光通信设备中的各个可见光通信设备发送各自对应的下一级封包消息；其中，所述下一级可见光通信设备中的每个所述可见光通信设备对应的下一级封包消息包括所述可见光通信从节点插排的通信地址、第二通信地址以及与所述第二通信地址对应的时分信息/频分信息；
具体地，可见光通信从节点插排在完成与所述主节点通信设备配对或者上一级可见光通信从节点插排的配对之后，可以分别向下一级可见光通信设备中的各个可见光通信设备发送各自对应的下一级封包消息，所述下一级可见光通信设备中的各个所述可见光通信设备可以接收到各自对应的下一级封包消息。其中，所述下一级可见光通信设备中的每个所述可见光通信设备对应的所述下一级封包消息包括所述可见光通信从节点插排的通信地址、第二通信地址以及与所述第二通信地址对应的时分信息/频分信息；可理解的是，所述下一级可见光通信设备中的各个所述可见光通信设备的第二通信地址互不相同，与各个所述第二通信地址对应的时分信息/频分信息也互不相同。
S705、所述下一级可见光通信设备中的每个所述可见光通信设备接收到对应的下一级封包消息之后，将所述第二通信地址作为本地通信地址，并根据所述可见光通信从节点插排的通信地址以及与第二通信地址对应的时分信息/频分信息向所述可见光通信从节点插排返回对应的第二确认接收消息；
具体地，所述下一级可见光通信设备中的每个所述可见光通信设备接收到对应的下一级封包消息之后，可以解析获得所述可见光通信从节点插排的通信地址、所述第二通信地址以及与所述第二通信地址对应的时分信 息/频分信息，将所述第二通信地址作为本地的通信地址，然后根据所述可见光通信从节点插排的通信地址以及与所述第二通信地址对应的时分信息/频分信息向所述可见光通信从节点插排返回对应的第二确认接收消息。
S706、所述可见光通信从节点插排接收到所述下一级可见光通信设备中的可见光通信设备对应的第二确认接收消息，则完成与所述第二确认接收消息对应的所述可见光通信设备的配对
具体地，所述可见光通信从节点插排接收到所述下一级可见光通信设备中的可见光通信设备对应的第二确认接收消息，说明所述下一级可见光通信设备中的可见光通信设备接收到了对应的下一级封包消息，那么完成与所述第二确认接收消息对应的所述可见光通信设备的配对。配对完成之后，所述可见光通信从节点插排与所述下一级可见光通信设备中的可见光通信设备可以进行可见光通信。所述可见光通信从节点插排与所述上一级可见光通信从节点插排的配对过程与步骤S704、S705和S706的过程类似。
本公开方法实施例的具体流程可以参照上述各系统实施例的介绍，此处不再赘述。
最后应说明的是：以上实施例仅用以说明本公开的技术方案，而非对其限制；尽管参照前述实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的精神和范围。

Claims (10)

  1. 一种可见光通信系统，其特征在于，包括主节点通信设备和至少一级可见光通信设备，其中：
    每级所述可见光通信设备包括至少一个智能家电设备和/或可见光通信从节点插排，每级所述可见光通信设备包括的所述智能家电设备与所述主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接，每级所述可见光通信设备包括的所述可见光通信从节点插排与所述主节点通信设备可见光通信连接，或者与上一级可见光通信从节点插排可见光通信连接；其中，所述主节点通信设备为可见光通信主节点插排或者可见光通信插座。
  2. 根据权利要求1所述的系统，其特征在于，所述可见光通信主节点插排包括插头、第一插座本体、第一变压器和第一可见光通信模块，所述插头通过第一连接线连接所述第一插座本体，所述第一变压器和所述第一可见光通信模块设置在所述第一插座本体内，所述第一变压器与所述第一可见光通信模块相连，所述第一变压器用于将市电电压转换为所述第一可见光通信模块的工作电压；
    所述第一可见光通信模块包括至少一个第一可见光收发单元和第一可见光协议处理单元，所述第一可见光协议处理单元分别与各个所述第一可见光收发单元相连，所述第一插座本体上设置至少一个第一插孔，每个所述第一插孔对应设置一个第一可见光通信孔，所述第一可见光收发单元与所述第一可见光通信孔一一对应，每个所述第一可见光通信孔与对应的第一可见光收发单元之间设置第一可见光通信线缆，所述第一可见光通信线缆用于传输可见光信号，实现所述第一可见光通信模块与第一级可见光通信设备的可见光通信连接，各条所述第一可见光通信线缆固定设置在所述第一插座本体内，每条所述第一可见光通信线缆的一端插入对应的所述第一可见光通信孔。
  3. 根据权利要求1所述的系统，其特征在于，所述可见光通信插座包括插座主体、第二变压器和第二可见光通信模块，所述第二变压器和所述第二可见光通信模块设置在所述插座主体内，所述第二变压器与所述第二可见光通信模块相连，所述第二变压器用于将市电电压转换为所述第二 可见光通信模块的工作电压；
    所述第二可见光通信模块包括至少一个第二可见光收发单元和第二可见光协议处理单元，所述第二可见光协议处理单元与各个所述第二可见光收发单元相连，所述插座主体上设置至少一个第二插孔，每个所述第二插孔对应设置一个第二可见光通信孔，所述第二可见光收发单元与所述第二可见光通信孔一一对应，所述第二可见光通信孔与对应的第二可见光收发单元之间设置第二可见光通信线缆，所述第二可见光通信线缆用于传输可见光信号，实现所述第二可见光通信模块与第一级可见光通信设备的可见光通信连接，各条所述第二可见光通信线缆固定设置在所述插座主体内，每条所述第二可见光通信线缆的一端插入对应的所述第二可见光通信孔。
  4. 根据权利要求1所述的系统，其特征在于，所述智能家电设备包括第三可见光通信模块和第一可见光通信插头，所述第一可见光通信插头通过第二连接线将所述智能家电设备接入市电，所述第三可见光通信模块包括第三可见光收发单元和第三可见光协议处理单元，所述第三可见光收发单元和所述第三可见光协议处理单元相连，所述第一可见光通信插头设置插脚的一侧设置一个第三可见光通信孔，所述第三可见光通信孔与所述第三可见光收发单元之间设置第三可见光通信线缆，所述第三可见光通信线缆用于传输可见光信号，实现所述第三可见光通信模块与所述主节点通信设备或者所述上一级可见光通信从节点插排的可见光通信连接，所述第三可见光通信线缆的一端插入所述第三可见光通信孔。
  5. 根据权利要求1所述的系统，其特征在于，所述可见光通信从节点插排包括第二可见光通信插头、第二插座本体、第三变压器和第四可见光通信模块，所述第二可见光通信插头通过第三连接线连接所述第二插座本体，所述第三变压器和所述第四可见光通信模块设置在所述第二插座本体内，所述三变压器与所述第四可见光通信模块相连，所述第三变压器用于将市电电压转换为所述第四可见光通信模块的工作电压；
    所述第二可见光通信插头设置插脚的一侧设置一个第五可见光通信孔，所述第五可见光通信孔与对应的第四可见光收发单元之间设置第四可见光通信线缆，所述第四可见光通信线缆用于传输可见光信号，实现所述第四可见光通信模块与所述主节点通信设备或者所述上一级可见光通信 从节点插排的可见光通信连接，所述第四可见光通信线缆的一端插入所述第五可见光通信孔；
    所述第四可见光通信模块包括多个第四可见光收发单元和第四可见光协议处理单元，所述第四可见光协议处理单元分别与各个所述第四可见光收发单元相连，所述第二插座本体上设置至少一个第三插孔，每个所述第三插孔对应设置一个第四可见光通信孔，一个所述第四可见光收发单元与所述第五可见光通信孔对应，其余的所述第四可见光收发单元与所述第四可见光通信孔一一对应，每个所述第四可见光通信孔与对应的第四可见光收发单元之间设置第五可见光通信线缆，所述第五可见光通信线缆用于传输可见光信号，实现所述第四可见光通信模块与下一级可见光通信设备的可见光通信连接，各条所述第五可见光通信线缆固定设置在所述第二插座本体内，每条所述第五可见光通信线缆的一端插入对应的所述第四可见光通信孔。
  6. 根据权利要求1至5任一项所述的系统，其特征在于，所述主节点通信设备包括处理器和附加功能模块，所述处理器与所述附加功能模块相连。
  7. 根据权利要求6所述的系统，其特征在于，所述附加功能模块为继电器，所述继电器用于控制所述主节点通信设备与市电电源的连通和关断。
  8. 根据权利要求6所述的系统，其特征在于，所述附加功能模块为通信单元，所述通信单元用于实现有线或者无线通信。
  9. 一种采用如权利要求1至8任一项所述的可见光通信系统的可见光通信方法，其特征在于，包括：
    主节点通信设备分别向第一级可见光通信设备中的各个可见光通信设备发送各自对应的起始封包消息；所述第一级可见光通信设备中的每个所述可见光通信设备对应的起始封包消息包括所述主节点通信设备的通信地址、第一通信地址以及与所述第一通信地址对应的时分信息/频分信息；
    所述第一级可见光通信设备中的每个所述可见光通信设备接收到对应的起始封包消息之后，将所述第一通信地址作为本地通信地址，并根据所述主节点通信设备的通信地址以及与所述第一通信地址对应的时分信 息/频分信息向所述主节点通信设备返回对应的第一确认接收消息；
    所述主节点通信设备接收到所述第一级可见光通信设备中的可见光通信设备对应的第一确认接收消息，则完成与所述第一确认接收消息对应的所述可见光通信设备的配对。
  10. 根据权利要求9所述的方法，其特征在于，还包括：
    可见光通信从节点插排在完成与所述主节点通信设备或者上一级可见光通信从节点插排的配对之后，分别向下一级可见光通信设备中的各个可见光通信设备发送各自对应的下一级封包消息；其中，所述下一级可见光通信设备中的每个所述可见光通信设备对应的下一级封包消息包括所述可见光通信从节点插排的通信地址、第二通信地址以及与所述第二通信地址对应的时分信息/频分信息；
    所述下一级可见光通信设备中的每个所述可见光通信设备接收到对应的下一级封包消息之后，将所述第二通信地址作为本地通信地址，并根据所述可见光通信从节点插排的通信地址以及与第二通信地址对应的时分信息/频分信息向所述可见光通信从节点插排返回对应的第二确认接收消息；
    所述可见光通信从节点插排接收到所述下一级可见光通信设备中的可见光通信设备对应的第二确认接收消息，则完成与所述第二确认接收消息对应的所述可见光通信设备的配对。
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