WO2020102939A1 - Procédé de communication, dispositif de passerelle domestique et système de commande domestique - Google Patents

Procédé de communication, dispositif de passerelle domestique et système de commande domestique

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Publication number
WO2020102939A1
WO2020102939A1 PCT/CN2018/116187 CN2018116187W WO2020102939A1 WO 2020102939 A1 WO2020102939 A1 WO 2020102939A1 CN 2018116187 W CN2018116187 W CN 2018116187W WO 2020102939 A1 WO2020102939 A1 WO 2020102939A1
Authority
WO
WIPO (PCT)
Prior art keywords
uplink data
communication
home
memory
buffered
Prior art date
Application number
PCT/CN2018/116187
Other languages
English (en)
Chinese (zh)
Inventor
王乐
李友
王新贵
Original Assignee
深圳市柔宇科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to CN201880096020.XA priority Critical patent/CN112703816A/zh
Priority to PCT/CN2018/116187 priority patent/WO2020102939A1/fr
Publication of WO2020102939A1 publication Critical patent/WO2020102939A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Definitions

  • This application relates to the field of Internet of Things technology, and in particular, to a communication method, a home gateway device, and a home control system.
  • Home appliances usually refer to some household appliances, such as air conditioners, TVs, etc., and can also include some remote control switches Daily necessities, for example, lights, curtains, doors, etc.
  • a control terminal for example, a mobile phone
  • the smart home gateway cannot process the uplink data in time, and packet loss and communication delay will occur.
  • the embodiments of the present application disclose a communication method, a home gateway device, and a home control system, which can improve communication reliability and communication efficiency.
  • a communication method disclosed in an embodiment of the present application is applied to a home gateway device.
  • the home gateway device includes a first communication module, a memory, and a second communication module; the communication method includes the following steps:
  • control to send all the currently buffered uplink data to the second communication protocol supported by the second communication module to The control end, and clear the uplink data buffered in the memory.
  • a home gateway device disclosed in an embodiment of the present application communicates with a control terminal and a home device through a network; the home gateway device includes:
  • a first communication module uses the first communication protocol supported by the first communication module to receive uplink data sent by multiple home devices;
  • a controller to buffer the received uplink data in the memory
  • the controller also determines whether the data amount of the uplink data buffered in the memory reaches a preset transmission amount
  • the controller controls to pass all the currently buffered uplink data through the second supported by the second communication module
  • the communication protocol is sent to the control terminal, and the upstream data buffered in the memory is cleared.
  • a home control system disclosed in an embodiment of the present application includes a home gateway device, a control terminal, and a plurality of home devices; the home gateway device and the control terminal are communicatively connected through a first communication network, and are connected to the multiple The home device communicates through the second communication network; wherein the first communication network is different from the second communication network; the home gateway device further includes:
  • a first communication module uses the first communication protocol supported by the first communication module to receive uplink data sent by multiple home devices;
  • a controller to control the buffering of the received uplink data in the memory
  • the controller also determines whether the data amount of the uplink data buffered in the memory reaches a preset transmission amount
  • the controller controls to pass all the currently buffered uplink data through the second supported by the second communication module
  • the communication protocol is sent to the control terminal, and the upstream data buffered in the memory is cleared.
  • smart home gateway and home control system of the present application since the received uplink data is cached in the memory, when the data amount of the uplink data that has been cached in the memory reaches a preset transmission amount , Control to send all the currently buffered uplink data to the control terminal through the second communication protocol supported by the second communication module, and clear the uplink data cached in the memory, which can be alleviated
  • the communication pressure of the smart home gateway avoids data loss and improves the reliability and efficiency of communication.
  • FIG. 1 is a schematic structural diagram of a smart home system disclosed in an embodiment of the present application.
  • FIG. 2 is a block diagram of the hardware structure of a home gateway device disclosed in an embodiment of the present application.
  • FIG. 3 is a flowchart of steps of a communication method disclosed in an embodiment of the present application.
  • FIG. 5 is a flowchart of steps of a communication method disclosed in yet another embodiment of the present application.
  • FIG. 6 is a flowchart of steps in a communication method disclosed in another embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a home control system 1000 according to an embodiment of the present application.
  • the home control system 1000 includes a home gateway device 100, a control terminal 200, and multiple home devices 300.
  • the control terminal 200 includes but is not limited to mobile phones, tablet computers and PDAs.
  • the home appliances 300 include but are not limited to smart refrigerators, smart TVs, smart lighting, smart switches, smart doors and windows, smart door locks and smart sensors.
  • the home gateway device 100 communicates with the control terminal 200 through a first communication network, and communicates with the multiple home devices 300 through a second communication network.
  • the first communication network and the second communication network are different.
  • the first communication network is a WiFi communication network
  • the second communication network is a Zigbee (Zigbee) communication network.
  • the home control system 1000 may further include a router (not shown) and a server (not shown), and the home gateway device 100 sequentially passes through the router and the server and the control terminal 200 Communicate.
  • the first communication network may also be a Bluetooth communication network, an infrared communication network, a telephone communication network such as 3G / 4G / 5G, etc.
  • the home gateway device 100 may also directly communicate with the control terminal 200 through Bluetooth or an infrared communication network, or Communicate directly with the control terminal 200 through a telephone communication network.
  • FIG. 2 is a structural block diagram of a home gateway device 100 disclosed in an embodiment of the present application.
  • the home gateway device 100 includes but is not limited to a first communication module 10, a controller 20, a memory 30, a protocol conversion module 40, and a second communication module 50.
  • the first communication module 10 is different from the second communication module 50.
  • FIG. 2 is only an example of the home gateway device 100 and does not constitute a limitation on the home gateway device 100.
  • the home gateway device 100 may include More or fewer components, or a combination of certain components, or different components, for example, the home gateway device 100 may further include input and output devices, network access devices, and so on.
  • the controller 20 may be a central processing unit (Central Processing Unit, CPU) or a micro control unit (Microcontroller Unit, MCU).
  • the controller 20 is a control center of the smart home gateway 100, and uses various interfaces and lines to connect the various parts of the entire smart home gateway 100.
  • the memory 30 may be used to store computer programs and / or modules.
  • the controller 20 executes or executes the computer programs and / or modules stored in the memory 30 and calls the data stored in the memory 30 to achieve The various functions of the smart home gateway 100 are described.
  • the memory 30 may mainly include a program storage area and a data cache area, wherein the program storage area may store programs required for multiple functions (such as a program used to implement a certain method), etc .; the data cache area may cache multiple homes Various types of information sent by the device 300.
  • the memory 30 may include a high-speed random access memory, and may also include a non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a smart memory card (Smart, Media, Card, SMC), and a secure digital (Secure Digital, SD) card, flash memory card (Flash), multiple disk storage devices, flash memory devices, or other volatile solid-state storage devices.
  • a non-volatile memory such as a hard disk, a memory, a plug-in hard disk, a smart memory card (Smart, Media, Card, SMC), and a secure digital (Secure Digital, SD) card, flash memory card (Flash), multiple disk storage devices, flash memory devices, or other volatile solid-state storage devices.
  • a non-volatile memory such as a hard disk, a memory, a plug-in hard disk, a smart memory card (Smart, Media, Card, SMC), and a secure digital (Secure Digital, SD) card, flash memory card (Flash),
  • the first communication module 10 is used to communicate with the plurality of home appliances 300.
  • the home gateway device 100 uses the first communication protocol supported by the first communication module 10 to receive the uplink data sent by the multiple home devices 300.
  • the controller 20 is used to control the buffering of the received uplink data into the memory 30.
  • the controller 20 is also used to determine whether the data amount of the uplink data buffered in the memory 30 reaches a preset transmission amount; when the data amount of the uplink data buffered in the memory 30 reaches a predetermined amount
  • the controller 20 also controls to send all the currently buffered uplink data to the control terminal 200 through the second communication protocol supported by the second communication module 50, and clear the cache The uplink data in the memory 30.
  • the protocol conversion module 40 converts all the currently buffered uplink data conforming to the first communication protocol standard into uplink data conforming to the second communication protocol standard and sends it to the control terminal 200 through the second communication module 50 .
  • the uplink data may include current status information, usage status information, etc. of each home device 300.
  • the status information may include the on / off status of the smart switch, the current temperature of the refrigerator compartment and freezer compartment of the smart refrigerator, the volume status and color status of the smart TV, and so on.
  • the first communication module 10 is a low-power, low-cost, multi-node Zigbee module, which can achieve the purpose of achieving communication with several home appliances 300 and the communication is stable.
  • the second communication module 50 is a WiFi module with a fast transmission speed and a long communication distance.
  • the first communication protocol is the Zigbee communication protocol; the second communication protocol is the MQTT protocol.
  • each home device 300 also includes the same communication module as the first communication module 10, such as the Zigbee module in this embodiment.
  • the control terminal 200 includes the same communication module as the second communication module 50, such as a WiFi module.
  • the preset time may be 50 ms. In other embodiments, the preset time may be set according to specific design requirements, and is not limited thereto.
  • the protocol conversion module 40 is used to convert the uplink data of the Zigbee protocol to the uplink data of the WiFi protocol. That is, the protocol conversion module 40 parses the Zigbee protocol frame to convert to a WiFi data frame, and then sends the encapsulated WiFi data frame.
  • the protocol conversion module 40 may be a protocol conversion chip, and the protocol conversion chip has at least one first communication terminal and at least one second communication terminal.
  • the protocol conversion chip may be a UART (Universal Asynchronous Receiver / Transmitter, Universal Asynchronous Receiver / Transmitter) interface chip or an SPI (Serial Peripheral Interface) interface chip. That is, the ZigBee module and the WiFi module perform data transmission through the UART / SPI interface chip.
  • the controller 20 may also integrate a protocol conversion function to convert the communication format between the first communication module 10 and the second communication module 50 by performing protocol conversion processing.
  • the smart home gateway 100 buffers the received uplink data into the memory 30, and controls when the data amount of the uplink data buffered in the memory 30 reaches a preset transmission amount Send all the currently buffered uplink data to the control terminal through the second communication protocol supported by the second communication module 50, and clear the uplink data cached in the memory 30, which can be alleviated
  • the communication pressure of the smart home gateway 100 avoids data loss, thereby improving communication efficiency and communication reliability.
  • the home gateway device 100 further includes a timer; the controller 20 controls the timer to start timing from the moment when the first uplink data is buffered.
  • the control passes all the currently buffered uplink data through the second
  • the second communication protocol supported by the communication module is sent to the control terminal 200, and the timer is controlled to be cleared, and the upstream data buffered in the memory is cleared.
  • the controller 20 When the data amount of the uplink data buffered in the memory 30 does not reach the preset transmission amount, the controller 20 also determines whether the timing duration reaches the preset time; when the timing duration reaches the preset time , The controller 20 controls to send all the currently buffered uplink data to the control terminal 200 through the second communication protocol supported by the second communication module, and controls the timing to be cleared and the cache is cleared in the The uplink data in the memory 30.
  • the controller 20 starts timing from the moment when the first uplink data is buffered, which may specifically include: when the controller 20 controls the buffering of the received uplink data to the memory 30, it determines whether there is currently cached data in the memory 10, if If not, it is determined that the currently buffered uplink data is the first buffered uplink data, and control starts timing.
  • the controller includes a timer and has a timing function.
  • the timer may exist independently and be controlled by the controller 20 to start counting, stop counting, or clear.
  • the controller 20 performs timing, stops timing, or clears by calling a timing program.
  • the startup of the second communication module can be reduced compared to the instant sending method The number of times, that is, the number of times of establishing / disconnecting the second communication network is reduced, thereby reducing the time used for communication and improving the communication efficiency.
  • the communication protocol of the control terminal 200 of the smart home gateway 100 uses the MQTT protocol.
  • the MQTT protocol is implemented based on the TCP protocol. Therefore, a TCP connection needs to be established for each message sent through the MQTT.
  • a complete TCP connection requires 7 data exchanges from opening to closing without sending data, that is, each complete TCP connection includes three parts: establishing a connection, sending data, and disconnecting, and establishing a connection Four data exchanges are required, and three data exchanges are required to disconnect. Therefore, a total of seven data exchanges are required.
  • there is a 1000-node zigbee network that generates 200 state information per second, then an average of 10 state information is generated every 50 ms.
  • one TCP data packet can carry more than 600 zigbee status information, when there are more nodes on the zigbee network, that is, the number of home devices 300 is larger, the communication efficiency using the technical solution of the present application is higher.
  • the smart home gateway 100 also uses the second communication protocol supported by the second communication module 50 to receive the downlink data sent by the control terminal 200.
  • the controller 20 is also used to identify the downlink data and use the first communication protocol supported by the first communication module 10 to send the downlink data to the corresponding home device 300 and control the corresponding home device 300 Perform operations corresponding to the downlink data.
  • the user can issue a corresponding instruction through the control terminal 200 to control the corresponding home device 300 to perform the corresponding function. For example, the user can issue an instruction to turn on the light through the control terminal 200.
  • the controller 20 After the smart home gateway 100 receives the instruction through the second communication module 50, the controller 20 recognizes the instruction , And then control to convert the instruction to comply with the communication standard of the first communication module 10 and send it to the smart switch, and then perform the action of turning on the light.
  • the home gateway device 100 before the smart home gateway 100 receives the uplink data sent by multiple home devices 300 through the first communication module 10, the home gateway device 100 further establishes a communication network including at least one home device 300 .
  • the communication network refers to the network used by the first communication module 10.
  • the controller 20 receives a network access request from at least one home device 300, processes the network access request, and allocates a network to the home device 300 that issues the network access request Address (Identification, ID), the home appliance 300 can join the communication network after receiving the network address.
  • ID network access request Address
  • FIG. 3 is a flowchart of steps of a communication method disclosed in an embodiment of the present application.
  • the communication method is applied to the home gateway device 100, and the home gateway device 100 communicates with the control terminal 200 and the home device 300 through a network.
  • the home gateway device 100 includes a first communication module 10, a memory 20, and a second communication module 50.
  • the communication method includes the following steps:
  • Step S31 Use the first communication protocol supported by the first communication module 10 to receive the uplink data sent by the multiple home devices 300.
  • step S32 the control buffers the received uplink data into the memory 20.
  • Step S33 Determine whether the data amount of the uplink data buffered in the memory reaches a preset transmission amount; if so, perform step S34.
  • Step S34 Control to send all the currently buffered uplink data to the control terminal 200 through the second communication protocol supported by the second communication module 50, and clear the uplink data buffered in the memory 30.
  • the first communication protocol is a protocol format conforming to the communication protocol standard of the first communication module 10; the second communication protocol is a protocol conforming to the communication protocol standard of the second communication module 50 format.
  • the uplink data may include current status information, usage status information, etc. of each home device 300.
  • the status information may include the on / off status of the smart switch, the current temperature of the refrigerator compartment and freezer compartment of the smart refrigerator, the volume status and color status of the smart TV, and so on.
  • the first communication protocol is the Zigbee communication protocol; the second communication protocol is the MQTT communication protocol.
  • the received uplink data is buffered in the memory 30, and it is determined whether the data amount of the uplink data buffered in the memory 30 reaches a preset transmission amount; when the When the data amount of the uplink data buffered in the memory 30 reaches a preset transmission amount, control to send all the currently buffered uplink data to the all through the second communication protocol supported by the second communication module 50
  • the control terminal 200 clears the uplink data cached in the memory 30, thereby alleviating the communication pressure of the smart home gateway 100, and avoiding data loss, which improves the reliability of communication.
  • the communication method includes the following steps before step S32 compared to the communication method in FIG. 3:
  • Step S41 Start counting from the moment when the first uplink data is buffered.
  • the timing starts from the moment when the first uplink data is cached, which specifically includes: when buffering the received uplink data to the memory 20, determining whether there is currently cached data in the memory 20, if not, Then, it is determined that the currently buffered uplink data is the first buffered uplink data, and control starts timing.
  • step S341 is executed when the judgment result of step S33 is “Yes”, where step S341 is different from step S34 in that the cached upstream data is cleared and the timing is also cleared. Further, in the case where the judgment result of step S33 is "No”, the following steps are also included:
  • Step S42 Determine whether the timing duration reaches a preset time. If yes, go to step S341; if no, go to step S33.
  • starting the second communication module 50 to send the buffered data to the control terminal 200 after the preset time arrives can reduce the number of startups of the second communication module 50 and improve the communication efficiency.
  • the communication method includes the following steps before step S31 compared to the method in FIG. 3:
  • Step S51 Establish a communication network including at least one home device 300.
  • the establishment of a communication network including at least one home device 300 specifically includes: receiving a network access request sent by at least one home device 300; processing the network access request and assigning it to the home device 300 that issued the network access request website address.
  • the first communication module 10 can receive uplink data through the communication network.
  • the buffer area needs to be emptied and the time that has been timed is cleared, so as to receive the uplink data sent by multiple home devices 300 next time Cache and retime.
  • the communication method further includes the following steps:
  • Step S61 Use the communication protocol supported by the second communication module 50 to receive the downlink data sent by the control terminal.
  • Step S62 Identify the downlink data, and use the first communication protocol supported by the first communication module 10 to send the downlink data to the corresponding home device 300, and control the corresponding home device 300 to perform The corresponding operation of the downstream data is described.
  • the user can issue a corresponding instruction through the control terminal 200 to control the corresponding home device 300 to perform the corresponding function.
  • the user can issue an instruction to turn on the light through the control terminal 200.
  • the controller 20 recognizes the instruction , And then control to convert the instruction to comply with the communication standard of the first communication module 10 and send it to the smart switch, and then perform the action of turning on the light.
  • the communication method provided in this application can be implemented in hardware or firmware, or can be used as software or computer code that can be stored in computer-readable storage media such as CD, ROM, RAM, floppy disk, hard disk, or magneto-optical disk, or can be Computer code originally stored on a remote recording medium or a non-transitory machine-readable medium, downloaded over a network, and stored in a local recording medium, so that the method described here can utilize a general-purpose computer or special processor or in a system such as ASIC or FPGA It is represented by software stored on a recording medium in programmable or dedicated hardware of the class.
  • a computer, processor, microprocessor, controller, or programmable hardware includes memory components, such as RAM, ROM, flash memory, etc., which are accessed when the computer, processor, or hardware implements the processing methods described herein
  • the memory component may store or receive the software or computer code.
  • the general-purpose computer accesses the code for implementing the processing shown here, the execution of the code converts the general-purpose computer into a dedicated computer for performing the processing shown here.
  • the computer-readable storage medium may be solid-state memory, memory card, optical disc, etc.
  • the computer-readable storage medium stores program instructions for the computer to call to execute the communication method shown in the present application.

Abstract

La présente invention concerne un procédé de communication appliqué à un dispositif de passerelle domestique, le dispositif de passerelle domestique étant en connexion de communication avec une extrémité de commande et des dispositifs domestiques au moyen d'un réseau, et le dispositif de passerelle domestique comprend un premier module de communication, une mémoire et un second module de communication. Le procédé de communication comprend les étapes consistant : à utiliser un premier protocole de communication pris en charge par le premier module de communication afin de recevoir des données de liaison montante envoyées par les multiples dispositifs domestiques ; à commander les données de liaison montante reçues de telle sorte qu'elles sont mises en mémoire cache dans la mémoire ; à déterminer si la quantité des données de liaison montante mises en mémoire cache dans la mémoire atteint une quantité de transmission prédéfinie ; et lorsque la quantité des données de liaison montante mises en cache dans la mémoire atteint la quantité de transmission prédéfinie, à commander toutes les données de liaison montante mises en cache actuelles de sorte qu'elles sont envoyées à l'extrémité de commande au moyen d'un second protocole de communication pris en charge par le second module de communication, et à effacer les données de liaison montante mises en cache dans la mémoire. L'invention concerne en outre le dispositif de passerelle domestique et un système de commande domestique. La présente invention peut améliorer la fiabilité de communication et l'efficacité de communication.
PCT/CN2018/116187 2018-11-19 2018-11-19 Procédé de communication, dispositif de passerelle domestique et système de commande domestique WO2020102939A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880096020.XA CN112703816A (zh) 2018-11-19 2018-11-19 通信方法、家居网关设备及家居控制系统
PCT/CN2018/116187 WO2020102939A1 (fr) 2018-11-19 2018-11-19 Procédé de communication, dispositif de passerelle domestique et système de commande domestique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/116187 WO2020102939A1 (fr) 2018-11-19 2018-11-19 Procédé de communication, dispositif de passerelle domestique et système de commande domestique

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Citations (4)

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Publication number Priority date Publication date Assignee Title
CN102413513A (zh) * 2011-12-01 2012-04-11 电信科学技术研究院 一种缓存状态的上报方法和设备
AU2016100686A4 (en) * 2016-05-20 2016-06-16 Macau University Of Science And Technology Method for optimizing throughput of a network
CN207380545U (zh) * 2017-11-22 2018-05-18 广州市天舟通信技术有限公司 一种智能家居网关及智能家居控制系统
CN108829616A (zh) * 2018-06-15 2018-11-16 佛山长意云信息技术有限公司 一种缓存数据管理方法、装置、计算机设备及存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102413513A (zh) * 2011-12-01 2012-04-11 电信科学技术研究院 一种缓存状态的上报方法和设备
AU2016100686A4 (en) * 2016-05-20 2016-06-16 Macau University Of Science And Technology Method for optimizing throughput of a network
CN207380545U (zh) * 2017-11-22 2018-05-18 广州市天舟通信技术有限公司 一种智能家居网关及智能家居控制系统
CN108829616A (zh) * 2018-06-15 2018-11-16 佛山长意云信息技术有限公司 一种缓存数据管理方法、装置、计算机设备及存储介质

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