WO2020211435A1 - Dispositif, procédé et système de transmission d'informations, et climatiseur associé - Google Patents

Dispositif, procédé et système de transmission d'informations, et climatiseur associé Download PDF

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Publication number
WO2020211435A1
WO2020211435A1 PCT/CN2019/127486 CN2019127486W WO2020211435A1 WO 2020211435 A1 WO2020211435 A1 WO 2020211435A1 CN 2019127486 W CN2019127486 W CN 2019127486W WO 2020211435 A1 WO2020211435 A1 WO 2020211435A1
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WO
WIPO (PCT)
Prior art keywords
data
information transmission
electromagnetic environment
threshold
environment quality
Prior art date
Application number
PCT/CN2019/127486
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English (en)
Chinese (zh)
Inventor
张龙
李窑
申伟刚
牟桂贤
熊春伟
司徒沃荣
Original Assignee
珠海格力电器股份有限公司
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Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2020211435A1 publication Critical patent/WO2020211435A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1809—Selective-repeat protocols

Definitions

  • the present disclosure relates to the field of information transmission, in particular to an information transmission device, method and system, and air conditioner.
  • the air-conditioning unit sends the air-conditioning unit operating data to the information receiving terminal through a wireless transmission terminal. Due to the small internal space of the air-conditioning unit, other electrical equipment inside the air-conditioning unit will cause electromagnetic interference to the wireless transmission terminal during operation, and the electromagnetic interference will affect the data transmission of the wireless transmission terminal.
  • the wireless transmission terminal is usually provided with more current to increase the power of the wireless transmission terminal, thereby enhancing the strength of the handshake between the wireless transmission terminal and the information receiving end, extending the communication period, and successfully sending the operating data to the information receiving end .
  • an information transmission device including: a detection module configured to detect the current electromagnetic environment quality when sending data to an information receiving end; and a data processing module configured to When the current electromagnetic environment quality is less than the first threshold, the data is split into multiple data packets, and the multiple data packets are sequentially sent to the information receiving end.
  • each data packet has a corresponding data packet identifier.
  • the data processing module is further configured to, after receiving the retransmission instruction information sent by the information receiving end, extract the data packet identifier that needs to be retransmitted from the retransmission instruction information, and compare it with all The data packet corresponding to the data packet identifier that needs to be retransmitted is sent to the information receiving end.
  • the data processing module is further configured to determine whether the current electromagnetic environment quality is less than a second threshold when the current electromagnetic environment quality is less than a first threshold, wherein the second threshold is less than the second threshold.
  • the first threshold when the current electromagnetic environment quality is not less than the second threshold, perform an operation of splitting the data to be sent into multiple data packets.
  • the power management module is configured to increase the power of the information transmission device by a predetermined magnitude when the current electromagnetic environment quality is less than the second threshold, and then instruct the detection module to perform detection of the current electromagnetic environment quality Operation.
  • the data processing module is further configured to directly send the data to be sent to the information receiving end when the current electromagnetic environment quality is not less than the first threshold.
  • the power management module is further configured to reduce the power of the information transmission device by a predetermined magnitude when the current electromagnetic environment quality is not less than the first threshold.
  • an information transmission method including: in the case of sending data to the information receiving end, detecting the current electromagnetic environment quality; when the current electromagnetic environment quality is less than a first threshold In this case, the data is split into multiple data packets; the multiple data packets are sequentially sent to the information receiving end.
  • each data packet has a corresponding data packet identifier.
  • the data packet identification that needs to be retransmitted is extracted from the retransmission instruction information;
  • the data packet corresponding to the identifier is sent to the information receiving end.
  • the method when the current electromagnetic environment quality is less than a first threshold, the method further includes: determining whether the current electromagnetic environment quality is less than a second threshold, where the second threshold is less than the first threshold; In the case that the current electromagnetic environment quality is not less than the second threshold, a step of splitting the data to be sent into multiple data packets is performed.
  • the power of the information transmission device is increased by a predetermined amplitude, and then the step of detecting the current electromagnetic environment quality is performed.
  • the data to be sent is directly sent to the information receiving end.
  • the method when the current electromagnetic environment quality is not less than the first threshold, the method further includes: reducing the power of the information transmission device by a predetermined amplitude.
  • an information transmission device including: a memory configured to store instructions; a processor coupled to the memory, and the processor is configured to execute any of the above based on instructions stored in the memory. The method described in the embodiment.
  • an air conditioner including the information transmission device described in any of the above embodiments.
  • an information transmission system including the air conditioner described in any one of the above embodiments, and an information receiving end configured to receive data sent by the air conditioner, wherein the air conditioner sends In the case of multiple data packets, the multiple data packets are combined into transmission data.
  • the information receiving end is further configured to use the data packet identifier carried in the data packet to perform data packet verification, and to send retransmission instruction information to the air conditioner if the verification fails, wherein the The retransmission instruction information includes the identifier of the data packet that failed the verification, so that the air conditioner retransmits the data packet corresponding to the identifier of the data packet that has failed the verification.
  • a computer-readable storage medium stores computer instructions, and the instructions are executed by a processor to implement the method described in any of the foregoing embodiments.
  • FIG. 1 is a schematic structural diagram of an information transmission device according to an embodiment of the disclosure
  • Fig. 2 is a schematic structural diagram of an information transmission device according to another embodiment of the present disclosure.
  • FIG. 3 is a schematic flowchart of an information transmission method according to an embodiment of the disclosure.
  • FIG. 4 is a schematic flowchart of an information transmission method according to another embodiment of the present disclosure.
  • FIG. 5 is a schematic flowchart of an information transmission device according to another embodiment of the present disclosure.
  • Fig. 6 is a schematic structural diagram of an air conditioner according to an embodiment of the present disclosure.
  • Fig. 7 is an exemplary block diagram of an information transmission system according to an embodiment of the present disclosure.
  • the present disclosure provides a solution for realizing information transmission in an electromagnetic interference environment.
  • Fig. 1 is an exemplary block diagram of an information transmission device according to an embodiment of the present disclosure. As shown in FIG. 1, the information transmission device includes a detection module 11 and a data processing module 12.
  • the detection module 11 is configured to detect the current electromagnetic environment quality when sending data to the information receiving end.
  • the detection module detects the current electromagnetic signal by detecting at least one of RSRP (Reference Signal Receiving Power) and SINR (Signal to Interference plus Noise Ratio, signal to interference plus noise ratio). Environmental Quality.
  • RSRP Reference Signal Receiving Power
  • SINR Signal to Interference plus Noise Ratio, signal to interference plus noise ratio
  • the data processing module 12 is configured to split the data into multiple data packets when the current electromagnetic environment quality is less than the first threshold, and send the multiple data packets to the information receiving end in sequence.
  • the present disclosure splits the transmission into multiple data packets when the electromagnetic environment is of poor quality. Since the time required to send each data packet is relatively short, the transmission can be completed even when the communication cycle is relatively short.
  • the data to be sent is split into multiple data packets, and the multiple data packets are sequentially sent to the information receiving end. Therefore, when the electromagnetic environment is of poor quality, data can be successfully sent without increasing the power of the information transmission device.
  • a corresponding data packet identifier is added to each data packet. For example, split the data to be sent into 5 data fragments. There are two identifiers in each data segment to generate the corresponding data packet. As shown in Table 1, in each data packet, after the data segment is added an identifier identifying the data packet itself. For example, a preset algorithm can be used to process the data segment to generate a corresponding identifier. The packet identifier can be used for subsequent information verification. What is added in front of the data fragment is the identifier of the data packet before the data packet, so that the data packets are subsequently combined according to the identifier to recover the transmitted information. It should be noted that since data segment 1 is the first data segment, and there are no other data segments before it, data packet 1 only includes its own identifier a except for data segment 1.
  • the data processing module 12 is further configured to, after receiving the retransmission instruction information sent by the information receiving end, extract the data packet identifier that needs to be retransmitted from the retransmission instruction information, and compare it with the data that needs to be retransmitted.
  • the data packet corresponding to the packet identifier is sent to the information receiving end.
  • the information transmission device sends data packets 1 to 5 to the information receiving end, and the information receiving end fails to correctly receive data packet 3, the information receiving end will send the identification of data packet 3 to the information transmission device for information transmission The device resends data packet 3. This can effectively avoid repeated transmission of large amounts of data.
  • Fig. 2 is an exemplary block diagram of an information transmission device according to another embodiment of the present disclosure. The difference between FIG. 2 and FIG. 1 is that, in the embodiment shown in FIG. 2, the information transmission apparatus further includes a power management module 13.
  • the data processing module 12 is configured to determine whether the current electromagnetic environment quality is less than a second threshold when the current electromagnetic environment quality is less than a first threshold, where the second threshold is less than the first threshold, and the current electromagnetic environment quality is not less than In the case of the second threshold, the operation of splitting the data to be sent into multiple data packets is performed.
  • the power management module 13 is configured to increase the power of the information transmission device by a predetermined amplitude when the current electromagnetic environment quality is less than the second threshold, and then instruct the detection module 11 to perform the operation of detecting the current electromagnetic environment quality.
  • the power of the information transmission device can be increased by a predetermined amplitude to improve the electromagnetic environment of the information transmission device.
  • the data processing module 12 is further configured to directly send the data to be sent to the information receiving end when the current electromagnetic environment quality is not less than the first threshold.
  • the current electromagnetic environment quality is not less than the first threshold, it indicates that the electromagnetic environment quality at this time is very good. In this case, there is no need to split the data to be sent, and the data to be sent can be directly sent to the information receiving end.
  • the power management module 13 is further configured to reduce the power of the information transmission device by a predetermined magnitude when the current electromagnetic environment quality is not less than the first threshold.
  • the current power of the information transmission device can be adjusted appropriately to reduce the transmission quality under the premise of ensuring transmission quality.
  • the power consumption of the information transmission device can be adjusted appropriately to reduce the transmission quality under the premise of ensuring transmission quality.
  • the RSRP when the RSRP is greater than -95dB and the SINR is greater than 12dB, it indicates that the electromagnetic environment is of good quality. At this time, the data to be sent can be directly sent to the information receiving end. When the RSRP is between -95dB and -105dB and the SINR is between 12dB and 4dB, it indicates that the electromagnetic environment is of average quality. At this time, the data to be sent is split into data packets to be sent to the information receiving end. When the RSRP is less than -105dB and the SINR is less than 4dB, it indicates that the quality of the electromagnetic environment is poor. At this time, the power of the information transmission device can be increased to improve the quality of the electromagnetic environment.
  • Fig. 3 is an exemplary flowchart of an information transmission method according to an embodiment of the present disclosure.
  • the method steps of this embodiment can be executed by an information transmission device.
  • step 301 in the case of sending data to the information receiving end, the current electromagnetic environment quality is detected.
  • the detection module detects the quality of the current electromagnetic environment by detecting at least one of RSRP and SINR.
  • step 302 when the current electromagnetic environment quality is less than the first threshold, the data is split into multiple data packets.
  • each data packet has a corresponding data packet identifier.
  • an identifier can be set for the data packet in the manner shown in Table 1.
  • step 303 multiple data packets are sequentially sent to the information receiving end.
  • the present disclosure splits the transmission into multiple data packets when the electromagnetic environment is of poor quality. Since the time required to send each data packet is relatively short, the transmission can be completed even when the communication cycle is relatively short.
  • the data to be sent is split into multiple data packets, and the multiple data packets are sequentially sent to the information receiving end. Therefore, when the electromagnetic environment is of poor quality, data can be successfully sent without increasing the power of the information transmission device.
  • the data packet identifier that needs to be retransmitted is extracted from the retransmission instruction information, and the data packet corresponding to the data packet identifier that needs to be retransmitted is sent To the information receiver. This can effectively avoid repeated transmission of large amounts of data.
  • Fig. 4 is an exemplary flowchart of an information transmission method according to another embodiment of the present disclosure.
  • the method steps of this embodiment can be executed by an information transmission device.
  • step 401 in the case of sending data to the information receiving end, the current electromagnetic environment quality is detected.
  • step 402 it is determined whether the current electromagnetic environment quality is less than a first threshold.
  • step 403 is executed; if the current electromagnetic environment quality is not less than the first threshold, step 409 is executed.
  • step 403 it is further determined whether the current electromagnetic environment quality is less than a second threshold.
  • the second threshold is less than the first threshold.
  • step 404 is executed; if the current electromagnetic environment quality is less than the second threshold, step 408 is executed.
  • step 404 the data is split into multiple data packets.
  • each data packet has a corresponding data packet identifier.
  • step 405 multiple data packets are sequentially sent to the information receiving end.
  • step 406 after receiving the retransmission instruction information sent by the information receiving end, the data packet identifier that needs to be retransmitted is extracted from the retransmission instruction information.
  • step 407 the data packet corresponding to the data packet identifier that needs to be retransmitted is sent to the information receiving end. Then step 406 is repeated until the information receiving end successfully receives all the data packets.
  • step 408 the power of the information transmission device is increased by a predetermined amplitude, and then step 401 is executed.
  • the power of the information transmission device is increased to improve the electromagnetic environment quality.
  • step 409 the data to be sent is directly sent to the information receiving end.
  • the power of the information transmission device can also be reduced by a predetermined amount. Since the current electromagnetic environment is of good quality, the power of the information transmission device can be reduced. Therefore, the power consumption of the information transmission device is reduced on the premise of ensuring the transmission quality.
  • Fig. 5 is an exemplary block diagram of an information transmission device according to another embodiment of the present disclosure. As shown in FIG. 5, the information transmission device includes a memory 51 and a processor 52.
  • the memory 51 is configured to store instructions
  • the processor 52 is coupled to the memory 51, and the processor 52 is configured to execute the method involved in any of the embodiments in FIG. 3 or FIG. 4 based on the instructions stored in the memory.
  • the information transmission device also includes a communication interface 53 for information exchange with other devices.
  • the device also includes a bus 54 through which the processor 52, the communication interface 53, and the memory 51 communicate with each other.
  • the memory 51 may include a high-speed RAM memory, and may also include a non-volatile memory (non-volatile memory), for example, at least one disk memory.
  • the memory 51 may also be a memory array.
  • the memory 51 may also be divided into blocks, and the blocks may be combined into a virtual volume according to certain rules.
  • processor 52 may be a central processing unit CPU, or an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement the embodiments of the present disclosure.
  • the present disclosure also relates to a computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions, and when the instructions are executed by a processor, the method involved in any one of the embodiments in FIG. 3 or FIG. 4 is implemented.
  • Fig. 6 is an exemplary block diagram of an air conditioner according to an embodiment of the present disclosure.
  • the air conditioner 61 includes an information transmission device 62.
  • the information transmission device 62 is the information transmission device involved in any one of the embodiments in FIG. 1, FIG. 2 and FIG. 5.
  • Fig. 7 is an exemplary block diagram of an information transmission system according to an embodiment of the present disclosure.
  • the information transmission system includes an air conditioner 71 and an information receiving terminal 72.
  • the air conditioner 71 is an air conditioner related to any embodiment in FIG. 6.
  • the air conditioner 71 communicates with the information receiving terminal 72 in a wireless manner.
  • the air conditioner 71 directly wirelessly communicates with the information receiving terminal 72.
  • the air conditioner 71 performs wireless communication with the information receiving terminal 72 through the base station.
  • the information receiving terminal 72 is configured to receive data sent by the air conditioner. Where the air conditioner 71 sends multiple data packets, the information receiving terminal 72 combines the multiple data packets into transmission data.
  • the information receiving terminal 72 is further configured to use the data packet identifier carried in the data packet to perform data packet verification, and send retransmission instruction information to the air conditioner in the case of a verification failure, where the retransmission instruction information Including the ID of the data packet that failed the verification, so that the air conditioner can resend the data packet corresponding to the ID of the data packet that has failed the verification.
  • the air conditioner 71 sends 5 data packets to the information receiving end 72.
  • the information receiving end 72 checks the received data packet.
  • the data segment 3 is processed by using a preset algorithm to generate the corresponding identifier c1. If the generated identifier c1 is inconsistent with the identifier c carried in the data packet 3, it indicates that the data packet 3 has a problem in the transmission process.
  • the information receiving terminal 72 sends the identifier c to the air conditioner 71 so that the air conditioner 71 resends the data packet 3. Since other data packets have been successfully received by the information receiving terminal 72, the air conditioner 71 does not need to resend.
  • the present disclosure can successfully transmit data in an electromagnetic interference environment without increasing the power of the information transmission device.
  • the functional unit modules described above may be implemented as general-purpose processors, programmable logic controllers (Programmable Logic Controller, PLC for short), and digital signal processors (PLC) for performing the functions described in the present disclosure.
  • PLC programmable Logic Controller
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • other programmable logic devices discrete gates or transistors Logic devices, discrete hardware components, or any appropriate combination thereof.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un dispositif, un procédé et un système de transmission d'informations, et un climatiseur associé. Le dispositif de transmission d'informations comprend : un module de détection conçu pour détecter la qualité actuelle d'un environnement électromagnétique lors de l'envoi de données vers une extrémité de réception d'informations ; et un module de traitement de données conçu pour diviser les données en une pluralité de paquets de données si la qualité actuelle de l'environnement électromagnétique est inférieure à un premier seuil, et pour envoyer successivement la pluralité de paquets de données vers l'extrémité de réception d'informations. En cas de mauvaise qualité de l'environnement électromagnétique, la présente invention peut toujours envoyer des données avec succès, sans besoin d'améliorer la puissance du dispositif de transmission d'informations.
PCT/CN2019/127486 2019-04-16 2019-12-23 Dispositif, procédé et système de transmission d'informations, et climatiseur associé WO2020211435A1 (fr)

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