CN107421060B - NB-IoT network-based air conditioner communication method and air conditioner - Google Patents
NB-IoT network-based air conditioner communication method and air conditioner Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides an air conditioner communication method based on an NB-IoT network, which comprises the steps of endowing each air conditioner with an unique identity mark of an NB-IoT module; the terminal and the server establish communication; the terminal identifies the identity of the air conditioner, a binding relationship is established between the server and the corresponding air conditioner, and the server acquires the binding relationship between the terminal and the air conditioner; the bound terminal is configured as a unique main control terminal corresponding to the air conditioner; the air conditioner is in a power-on state, and an NB-IoT module in the air conditioner is connected into an NB-IoT network through a base station; the server is connected into the NB-IoT network through the base station; and when the air conditioner enters a trigger state, the main control terminal outputs a control command, and the control command is transmitted to the air conditioner through the NB-IoT network by the server so as to control the air conditioner to execute the action corresponding to the control command. An air conditioner is also disclosed. The invention can realize the ordered and safe data transmission and control instruction communication process.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an NB-IoT network-based air conditioner communication method and an air conditioner.
Background
In recent years, IoT (internet of things) has been rapidly developed, and various goods and services around people are connected to the internet through sensors. These include some high rate services, such as video services, etc., and some low rate services, such as smart lookup tables, etc. Because low-rate services are not supported by a good cellular technology, the IoT communication technology is rapidly developed, wherein the development of the wide area network communication technology is particularly obvious, the wide area network communication technology is divided into an unauthorized type and an authorized type according to whether the spectrum is authorized, wherein a sub-classification under the authorized spectrum, namely, a narrowband internet of things (NB-IoT) has urgent market demands, and meanwhile, the narrowband internet of things (NB-IoT) also has good communication network support, so that the IoT communication technology has a wide development prospect.
In the prior art, a method for controlling an air conditioner by using NB-IoT is disclosed, for example, in the technical content disclosed in chinese patent application No. (application No. 201611131700. X), "a user can send a command to a remote monitoring computer and a mobile phone, the issued command is transmitted to an NB-IoT module through an NB-IoT wireless communication network, and the NB-IoT module transmits the command to a central processing unit through analysis, thereby realizing the remote control of the air conditioner. "the method disclosed in the prior art issues a control command of the air conditioner by establishing communication between the terminal and the NB-IoT module. This ignores data security and transmission reliability issues. Since the NB-IoT network does not set the verification step per se, the NB-IoT network automatically communicates with the air conditioner with the NB-IoT module and transmits a control signal through the base station as long as the remote monitoring computer or the mobile phone is in a power-on state. Therefore, the control method disclosed in the prior art may cause confusion of transmission of control signals in the network, and a situation that a plurality of terminals have control rights at the same time may occur, and secondly, if the NB-IoT network is attacked from the outside or signals in the network are interfered, the system cannot be automatically protected, and actual experience of the user is seriously affected. Moreover, as malicious attack behaviors increase, the probability of interruption in NB-IoT network information interaction increases, which results in an increase in the number of data retransmissions, and thus the load of home network communication, and possibly even the breakdown of the network.
Therefore, the method for controlling the air conditioner by using the NB-IoT disclosed in the prior art has the problem of low security of the transmission mode of the control command.
Disclosure of Invention
The invention provides an air conditioner communication method based on an NB-IoT network, and aims to solve the problem that the instruction transmission mode of the method for controlling an air conditioner by the NB-IoT in the prior art is low in safety.
The invention provides an air conditioner communication method based on an NB-IoT network, which comprises the following steps:
giving each air conditioner with an NB-IoT module a unique identity;
the terminal and the server establish communication;
the terminal identifies the identity of the air conditioner, a binding relationship is established between the server and the corresponding air conditioner, and the server acquires the binding relationship between the terminal and the air conditioner;
the bound terminal is configured as a unique main control terminal corresponding to the air conditioner;
the air conditioner is in a power-on state, and an NB-IoT module in the air conditioner is connected into an NB-IoT network through a base station;
the server is connected into the NB-IoT network through the base station;
and entering a trigger state, outputting a control instruction by the main control terminal, and transmitting the control instruction to the air conditioner through the NB-IoT network by the server so as to control the air conditioner to execute an action corresponding to the control instruction.
Further, an SIM card is arranged in the NB-IoT module, and a unique identity is generated according to identity information of the SIM card; and the terminal establishes a binding relationship with the corresponding air conditioner by identifying the unique identity corresponding to the SIM card.
Preferably, the unique identity is a two-dimensional code, and the unique identity is generated in a non-powered state of the air conditioner.
Further, the main control terminal detects whether a sharing instruction is received;
if the sharing instruction is received, the master control terminal generates a unique sharing identity; the main control terminal detects the existence of the sub-control terminal in a first period and initiates control authority sharing when detecting the existence of the sub-control terminal;
and the server responds to the control authority sharing, acquires the authority sharing relation between the main control terminal and the sub control terminal, and opens the control authority of the sub control terminal.
Furthermore, if the main control terminal detects that no sub-control terminal exists in the first period, the main control terminal generates a deletion instruction to delete the unique shared identity at the end of the first period.
Further, the server detects whether the main control terminal outputs an active intervention instruction while acquiring the authority sharing relationship between the main control terminal and the sub-control terminals, and when the main control terminal outputs the intervention instruction, the server prohibits opening of the control authority of the sub-control terminals.
Further, the server detects whether the main control terminal outputs the disable instruction after opening the control authority of the sub-control terminal, and when the main control terminal outputs the disable instruction, the server closes the control authority of the sub-control terminal.
Further, in the trigger state, the server synchronously acquires whether the main control terminal outputs a unbinding signal, and if the main control terminal outputs the unbinding signal, the server enters a resetting process, wherein the resetting process comprises the step that the server interrupts the transmission of a control instruction through an NB-IoT network, and the server synchronously clears the unique matching relationship between the main control terminal and a corresponding air conditioner.
Further, in the triggering process, the server synchronously acquires whether the air conditioner outputs a forced reset signal through an NB-IoT network, and if the air conditioner outputs the forced reset signal, the resetting process is started.
The invention can optimize the networking mode of the air conditioner provided with the NB-IoT module in the prior art through the matching of the terminal and the air conditioner identity, so that the networking process of the air conditioner is synchronous with the matching process of the control terminal, thereby realizing the ordered and safe data transmission and control instruction communication process, and users can conveniently and safely use and manage the air conditioner.
The invention also discloses an air conditioner which adopts the communication method based on the NB-IoT network. The communication method based on the NB-IoT network comprises the following steps
Giving each air conditioner with an NB-IoT module a unique identity;
the terminal and the server establish communication;
the terminal identifies the identity of the air conditioner, a binding relationship is established between the server and the corresponding air conditioner, and the server acquires the binding relationship between the terminal and the air conditioner;
the bound terminal is configured as a unique main control terminal corresponding to the air conditioner;
the air conditioner is in a power-on state, and an NB-IoT module in the air conditioner is connected into an NB-IoT network through a base station;
the server is connected into the NB-IoT network through the base station;
and entering a trigger state, outputting a control instruction by the main control terminal, and transmitting the control instruction to the air conditioner through the NB-IoT network by the server so as to control the air conditioner to execute an action corresponding to the control instruction.
According to the air conditioner provided by the invention, the NB-IoT network sets the unique terminal as the main control terminal of the air conditioner according to the user requirements, so that the frequency of data transmission and the output quantity of instruction data are obviously reduced, meanwhile, the conflict of control authority can be effectively avoided, the communication delay caused by NB-IoT is weakened, and the advantage of wide NB-IoT coverage area can be played.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a first embodiment of an NB-IoT network-based air conditioner communication method according to the present disclosure;
fig. 2 is a flowchart illustrating a second embodiment of the NB-IoT network-based air conditioner communication method disclosed in the present invention;
fig. 3 is a flowchart illustrating a third embodiment of the NB-IoT network-based air conditioner communication method disclosed in the present invention;
fig. 4 is a flowchart illustrating a fourth embodiment of the NB-IoT network-based air conditioner communication method disclosed in the present invention;
fig. 5 is a flowchart illustrating a fifth embodiment of an NB-IoT network-based air conditioner communication method according to the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to a communication method of information data and control instructions of an NB-IoT network-based air conditioner. In one embodiment, by adopting the method, the networking mode of the air conditioner provided with the NB-IoT module in the prior art can be optimized through matching of the terminal and the air conditioner identity, so that the networking process of the air conditioner is synchronous with the matching process of the control terminal, the ordered and safe data transmission and control instruction communication process is realized, and a user can conveniently and safely use and manage the air conditioner.
Fig. 1 shows a flowchart of a first embodiment of an NB-IoT network-based air conditioner communication method. Among them, the terminal for outputting the control instruction may be a mobile phone, a tablet computer, a touch pad, a portable or desktop computer, a portable media player, a wearable device, and so on. The terminal has an independent processor and networking capability, and further has an interactive interface capable of interacting with a user. The interactive interface preferably has a touch sensor, and when one or more nodes on the interactive interface are touched or touched by a touch device such as a stylus, a detection signal of the touch sensor changes, and the detection signal is preferably a voltage signal generated by the change of the capacitance value, and the detection signal is further analyzed by an internal processor of the terminal to generate different control instructions. Of course, it should be understood that the signals of the touch sensor may also be electrical signals generated by a change in resistance value or electrical signals generated by a change in projected area. Detecting the signal further includes detecting a hover signal generated by an object hovering over a time detected by the touch sensor. In this embodiment, the processor provided in the terminal has at least one capability of analyzing any one of the above electric signals and generating a corresponding instruction, and is preferably an MCU.
On the other hand, the air conditioner in the embodiment is provided with the NB-IoT module, and the NB-IoT module will automatically connect to the NB-IoT network through the base station according to the set algorithm in the power-on state. The NB-IoT module may be an integrated NB-IoT module developed in the prior art, so the setting algorithm for connecting the NB-IoT network is not a protection key point of the present invention, and is not described herein again. In the embodiment, each air conditioner provided with the NB-IoT module is endowed with a unique identity. And the terminal identifies the corresponding air conditioner through the unique identity for identifying the air conditioner. On one hand, the terminal establishes a matching relationship with the corresponding air conditioner after recognizing the air conditioner. For example, the terminal may obtain the unique identifier of the air conditioner, such as the physical address of the device, through short-distance data exchange or a local area network, and may also obtain the unique identifier of the air conditioner through other methods. On the other hand, each air conditioner provided with an NB-IoT module is registered in the server. The specific process of establishing the matching relationship between the terminal and the air conditioner is preferably that, firstly, the terminal is configured to be in an open mode, that is, the terminal is not bound by any air conditioner provided with an NB-IoT module, and the terminal and the server in the open mode establish communication and maintain a communication state. The terminal attempts to identify the identity of an air conditioner. And the terminal uploads the acquired identity identifier of the air conditioner to the server and matches the identity identifier of the air conditioner registered in the server. And if the matching is successful, judging that the identification is successful. After the identification is successful, the server associates the information of the terminal with the unique identity of the air conditioner provided with the NB-IoT module and successfully identified, establishes a unique binding relationship between the information and the unique identity, opens the control authority of the terminal, and configures the terminal as a unique main control terminal corresponding to the air conditioner. And establishing a permission database at one end of the server, and storing the binding relationship of the terminal of the air conditioner. In the binding process, the air conditioner is in a non-powered state, so that the whole binding process is completed under the state that the operation of the air conditioner is not influenced.
The terminal preferably establishes communication with the server through a mobile application, which is preferably developed according to different system platforms and different terminals and can be run on multiple system platforms. Authentication of a terminal configured in open mode is performed prior to first binding. Preferably, before the first binding, the server receives an account opening request sent by the terminal through a specific communication protocol, such as an MQTT protocol, and the like, through the application program, responds to the account opening request of the terminal, determines whether an account password input by the terminal meets an account opening condition, and if so, completes the authentication of the terminal. Further, if the identity authentication is completed and the terminal in the open state is successfully matched with one air conditioner, the server allocates a main control token to the terminal, and a one-to-one correspondence relationship among the terminal, the terminal identity, the air conditioner and the main control token is established. The server uses the master control token to perform various authentications of the master control terminal. The main control token contains authorization information of terminal control authority, and the terminal is identified as the only main control terminal of the air conditioner. The server may also use other communication modes such as otp (one Time passed) to perform various authentications of the master control terminal.
The power supply of the air conditioner is electrified, the air conditioner is in a power-on state, the NB-IoT module in the air conditioner is automatically connected into the NB-IoT network through the base station, and the server is also connected into the NB-IoT network through the base station to serve as a vertical service center of the whole network architecture. And when the binding matching process is completed and the air conditioner is in a power-on condition, the air conditioner enters a trigger state, the main control terminal detects whether a detection signal exists, if the detection signal exists, the detection signal is analyzed and a corresponding control instruction is output, and the control instruction is transmitted to the air conditioner through the NB-IoT network by the server so as to control the air conditioner to execute the action corresponding to the control instruction. In order to improve the security of the system, each control instruction comprises main control token information used for identifying the identity of the main control terminal. Conversely, the running state of the air conditioner is also transmitted to the server through the NB-IoT network, and various parameters of the air conditioner are stored at the server side to serve as a big data base for further analysis. And various parameters of the air conditioner stored in the server side are called to the main control terminal according to the requirements of the user.
Through the air conditioner communication method specifically introduced in the embodiment, the NB-IoT network sets the unique terminal as the main control terminal of the air conditioner according to the user requirement, so that the frequency of data transmission and the output quantity of instruction data are significantly reduced, meanwhile, the control authority conflict can be effectively avoided, the communication delay caused by NB-IoT itself is weakened, and meanwhile, the advantage of wide NB-IoT coverage area can be exerted.
Besides the physical address serving as the unique identity of the air conditioner, the NB-IoT module is provided with the SIM card, and the unique identity can be generated according to the identity information of the SIM card. When the identity of the NB-IoT module is generated, preferably, the two-dimensional code is generated through a discrete algorithm according to the identity information of the SIM card when the air conditioner leaves a factory, and the two-dimensional code is set on the body of the air conditioner. The terminal with the camera can sample the two-dimensional code in a mode of scanning the two-dimensional code and identify the identity of the air conditioner. The two-dimensional code is used as the identity, so that the safety of the equipment can be further improved, and the network safety risk is reduced.
It can be appreciated that the user may wish to share the control rights of the master control terminal. In the case of a home, it is desirable that a plurality of terminals can realize a control function. Therefore, referring to fig. 2, in the triggered state, the main control terminal is configured to actively and continuously detect whether a sharing command is received, and the sharing command is set to be embodied by a fixed touch action. And if the processor of the main control terminal detects that the touch signal generated by the touch sensor conforms to the specific touch action, judging that a sharing instruction is received. And after receiving the sharing instruction, the main control terminal generates a unique sharing identity. The main control terminal detects the existence of the sub-control terminal in a first period and initiates control authority sharing when detecting the existence of the sub-control terminal. Specifically, a preferred mode is that after the main control terminal processor receives the sharing instruction, the main control terminal generates a unique sharing two-dimensional code and displays the unique sharing two-dimensional code through the main control terminal, and the sharing two-dimensional code includes identity information of the main control terminal and a link function for connecting the server. In a first period after the sharing instruction is generated, the unique sharing two-dimensional code is set to be effective once. The duration of the first period may be set as desired, preferably to 15 minutes. If one sub-control terminal scans the sharing two-dimensional code in an effective state for the first time in the first period, the sub-control terminal redirects to the server by analyzing a link function in the sharing two-dimensional code, the server verifies the identity information of the main control terminal and receives a sharing request sent by the sub-control terminal, and if the server judges that the sharing two-dimensional code is from the main control terminal, the control authority of the sub-control terminal is opened. The sub-control terminal can also output a control command, and the control command output by the sub-control terminal is transmitted to the air conditioner through the NB-IoT network by the server to control the air conditioner to execute the action corresponding to the control command. The sub-control terminal and the main control terminal which open the control authority have the same control authority but do not have the sharing authority. Meanwhile, in each first period, the control authority of at most one sub-control terminal is set to be opened, so that the link function in the shared two-dimensional code is set to be effective once. Meanwhile, the server acquires the authority sharing relationship between the main control terminal and the sub-control terminals, and registers and stores the authority sharing relationship between the main control terminal and the sub-control terminals in a list or other format.
And if the sub-control terminal does not exist in the first period after the sharing instruction is generated, judging that the sharing instruction is misoperation of the user by the processor of the main control terminal. In order to improve the communication safety, the main control terminal automatically generates a deleting instruction and deletes the unique shared identity under the condition that the first period is finished and the sub-control terminal does not exist. And if the sharing instruction is detected again, the main control terminal is reactivated to generate the unique sharing identity.
Referring to fig. 3, while acquiring the authority sharing relationship between the main control terminal and the sub-control terminal, the server keeps continuously detecting whether the main control terminal outputs an active intervention instruction. The active intervention command is preferably a fixed set of touch actions, or a specific key action. After detecting a touch signal generated by a touch sensor, a processor of the main control terminal firstly judges whether the touch signal is matched with a specific touch action or an active intervention instruction represented by an electric signal generated by a specific key action, and if the touch signal is matched with the specific touch action or the active intervention instruction, the processor judges that the active intervention instruction is received. After receiving the active intervention instruction, the main control terminal sends an intervention request to the server, the intervention request comprises main control token information of the main control terminal identity certificate, and the server forbids opening of the control authority of the sub-control terminal after receiving the intervention request comprising the main control terminal identity certificate. The ideal time for the active intervention of the user is when the server acquires the authority sharing relationship between the sub control terminal and the sub control terminal, but the authority sharing relationship is difficult to realize in terms of hardware. Therefore, in a preferred mode, when the server acquires the authority sharing relationship between the main control terminal and the sub-control terminals, the server feeds back the information to be shared and displays the information on the main control terminal, in a set period, a user can judge whether sharing is determined according to displayed content, and if the sharing relationship is desired to be cancelled, an active intervention instruction can be output to interrupt the sharing process.
Referring to fig. 3, for a specific application scenario, such as a common residential home, a guest may change over a period of time. In order to realize the alternation and redistribution of the authority under the condition of ensuring the safety of the equipment, after the server opens the control authority of the sub-control terminal, whether the main control terminal outputs the forbidden instruction or not is continuously detected. If the main control terminal is detected to output the forbidden instruction, the server closes the control authority of the sub-control terminal when the main control terminal outputs the forbidden instruction containing the identity information of the main control terminal, and then the sub-control terminal can be deleted. And after the main control terminal detects the sharing instruction again, the sharing process is repeated, and then the authority sharing of another terminal can be realized.
Referring to fig. 4, in the trigger state, the server also synchronously acquires whether the master control terminal outputs a unbinding signal. And if the master control terminal outputs a unbinding signal containing the identity information of the master control terminal, the server responds to the unbinding request and enters a resetting process. After entering the reset process, the server firstly interrupts the transmission of the control command through the NB-IoT network, and then the server synchronously clears the unique matching relation between the main control terminal and the corresponding air conditioner. And if the identity authentication of the terminal is realized by adopting the main control token, judging that the main control token is invalid after entering a resetting process. And when the main control terminal calls, the return function returns an error result. And if the main control terminal before unbinding shares the authority to the sub-control terminals, the corresponding sub-control terminals fail at the same time.
Referring to fig. 5, in the triggering process, the server synchronously collects whether the forced reset signal is input to the air conditioner through the NB-IoT network. The forced reset signal provides a solution when the master control terminal fails or the account password fails to verify the identity of the master control terminal. The forced reset signal is preferably realized by combining a coded signal of a group of infrared remote controllers and a level step signal, preferably, the air conditioner is powered up again, and when a power supply signal transits, a refrigeration mode key, a low wind mode key and a set temperature of 30 ℃ are simultaneously pressed on the infrared remote controllers. The air conditioner receives the forced reset signal and feeds back the forced reset signal to the server through the NB-IoT network. The server enters a reset process after receiving the forced reset signal, the server interrupts the transmission of the control instruction through the NB-IoT network, and the server synchronously clears the unique matching relation between the main control terminal and the corresponding air conditioner. The forced reset signal can also adopt other forms, and the setting principle is not easy to trigger so as to improve the use stability of the equipment.
By adopting any of the NB-IoT network-based air conditioner communication methods provided by the embodiments of the present invention, different NB-IoT network data transmission, sharing, and sharing cancellation schemes are provided for different situations, so that the NB-IoT network-based data transmission security is improved, the data transmission path is optimized, the data transmission amount is reduced, and the advantages of high security and stable performance are achieved.
The invention also discloses an air conditioner adopting the communication method based on the NB-IoT network, wherein the communication method specifically refers to the detailed description of the embodiments and the detailed examples of the drawings in the specification, which are not repeated herein, and the air conditioner adopting the communication method can achieve the same technical effect.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An NB-IoT network-based air conditioner communication method is characterized by comprising the following steps:
giving each air conditioner with an NB-IoT module a unique identity;
the terminal and the server establish communication;
the terminal identifies the identity of the air conditioner, a binding relationship is established between the server and the corresponding air conditioner, and the server acquires the binding relationship between the terminal and the air conditioner;
the bound terminal is configured as a unique main control terminal corresponding to the air conditioner;
the air conditioner is in a power-on state, and an NB-IoT module in the air conditioner is connected into an NB-IoT network through a base station;
the server is connected into the NB-IoT network through the base station;
entering a trigger state, outputting a control instruction by the main control terminal, and transmitting the control instruction to the air conditioner through an NB-IoT network by a server so as to control the air conditioner to execute an action corresponding to the control instruction;
the main control terminal detects whether a sharing instruction is received or not;
if the sharing instruction is received, the master control terminal generates a unique sharing identity; the main control terminal detects the existence of the sub-control terminal in a first period and initiates control authority sharing when detecting the existence of the sub-control terminal;
and the server responds to the control authority sharing, acquires the authority sharing relation between the main control terminal and the sub control terminal, and opens the control authority of the sub control terminal.
2. The NB-IoT network-based air conditioner communication method according to claim 1, wherein an NB-IoT module is provided with an SIM card, and generates a unique identity according to identity information of the SIM card; and the terminal establishes a binding relationship with the corresponding air conditioner by identifying the unique identity corresponding to the SIM card.
3. The NB-IoT network-based air conditioner communication method according to claim 2, wherein the unique identity is a two-dimensional code, and the unique identity is generated in an unpowered state of an air conditioner.
4. The NB-IoT network-based air conditioner communication method according to claim 3, wherein:
and if the main control terminal detects that no sub-control terminal exists in the first period, the main control terminal generates a deleting instruction and deletes the unique sharing identity at the end of the first period.
5. The NB-IoT network-based air conditioner communication method according to claim 4,
the server detects whether the main control terminal outputs an active intervention instruction or not while acquiring the authority sharing relationship between the main control terminal and the sub-control terminals, and the server prohibits opening of the control authority of the sub-control terminals when the main control terminal outputs the intervention instruction.
6. The NB-IoT network-based air conditioner communication method as claimed in claim 5, wherein the server detects whether the main control terminal outputs the disable instruction after opening the control authority of the sub-control terminal, and when the main control terminal outputs the disable instruction, the server closes the control authority of the sub-control terminal.
7. The NB-IoT network-based air conditioner communication method according to any one of claims 1 to 6,
in the trigger state, the server synchronously acquires whether the main control terminal outputs a unbinding signal, if the main control terminal outputs the unbinding signal, the server enters a resetting process, the resetting process comprises the step that the server interrupts the transmission of a control instruction through an NB-IoT network, and the server synchronously clears the unique matching relationship between the main control terminal and a corresponding air conditioner.
8. The NB-IoT network-based air conditioner communication method as claimed in claim 7, wherein in the triggering process, the server synchronously acquires whether the air conditioner outputs a forced reset signal through an NB-IoT network, and if the air conditioner outputs a forced reset signal, the resetting process is entered.
9. An air conditioner, characterized in that the NB-IoT network-based communication method according to any one of claims 1 to 8 is adopted.
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| CN110677248B (en) * | 2019-10-30 | 2022-09-30 | 宁波奥克斯电气股份有限公司 | Safe binding method and system based on narrowband Internet of things |
| CN110769402B (en) * | 2019-10-31 | 2022-05-24 | 广东美的制冷设备有限公司 | Operation control method and device, air conditioner and computer storage medium |
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