Remote operation and maintenance method and device of air conditioner, air conditioner and storage medium

Abstract

The invention provides a remote operation and maintenance method and device of an air conditioner, the air conditioner and a storage medium, relates to the technical field of software, is applied to the air conditioner and automatically establishes a first remote tunnel with a first port of an Internet of Things platform. Operation and maintenance data is generated, and the operation and maintenance data is sent to the Internet of Things platform through a first remote tunnel, so that the Internet of Things platform sends the operation and maintenance data to the control end through a second remote tunnel and receives an operation and maintenance instruction returned by the control end, and the second remote tunnel is established by the control end and the first port; and responding to an operation and maintenance instruction sent by the Internet of Things platform through the first remote tunnel. The air conditioner actively establishes the remote tunnel with the Internet of Things platform, the control end establishes another remote tunnel with the Internet of Things platform based on the port of the remote tunnel of the air conditioner, and operation and maintenance personnel can remotely control the air conditioner through the Internet of Things platform by operating the control end, so that the problem that the commercial air conditioner cannot be remotely operated and maintained is solved.

Description

Technical Field

[0001] The present invention relates to the field of software technology, and more specifically, to a method and device for remote operation and maintenance of an air conditioner, an air conditioner, and a storage medium. Background Art

[0002] At present, in order to implement the group control function of commercial air conditioners, after the commercial air conditioners are connected to the network, they will actively connect to the Internet of Things platform to receive the group control instructions of the Internet of Things platform.

[0003] When a problem occurs in the group control function of commercial air conditioners, generally, maintenance personnel need to perform maintenance through a serial cable or a network cable, etc. Therefore, it is necessary for the maintenance personnel to enter the site to troubleshoot the faults, which greatly reduces the operation and maintenance efficiency. Summary of the Invention

[0004] In view of this, to solve the above problems, the present invention provides a method and device for remote operation and maintenance of an air conditioner, an air conditioner, and a storage medium. The technical solutions are as follows:

[0005] A method for remote operation and maintenance of an air conditioner, the method for remote operation and maintenance of the air conditioner is applied to the air conditioner, and the method for remote operation and maintenance of the air conditioner includes:

[0006] Automatically establish a first remote tunnel with a first port of the Internet of Things platform;

[0007] Generate operation and maintenance data, and send the operation and maintenance data to the Internet of Things platform through the first remote tunnel to achieve: the Internet of Things platform sends the operation and maintenance data to the control end through a second remote tunnel and receives the operation and maintenance instructions returned by the control end, and the second remote tunnel is established between the control end and the first port;

[0008] Respond to the operation and maintenance instructions sent by the Internet of Things platform through the first remote tunnel.

[0009] Preferably, the automatically establishing a first remote tunnel with a first port of the Internet of Things platform includes:

[0010] In the case of detecting a power-on event or a preset reconnection event, establish the first remote tunnel with the first port.

[0011] Preferably, the automatically establishing a first remote tunnel with a first port of the Internet of Things platform includes:

[0012] Automatically establish an encrypted first remote tunnel with the first port based on the Diffie-Hellman key exchange algorithm.

[0013] Preferably, the method for remote operation and maintenance of the air conditioner further includes:

[0014] While establishing the first remote tunnel, specify a second port of the Internet of Things platform to monitor the status of the first remote tunnel, so as to achieve: the Internet of Things platform sends the status monitoring result output by the second port to the control end through a third remote tunnel, and disconnects the first remote tunnel in response to a disconnection instruction returned by the control end. The third remote tunnel is established between the control end and a third port of the Internet of Things platform, and the disconnection instruction is returned by the control end when the status monitoring result indicates that the first remote tunnel is disconnected or has an abnormal connection.

[0015] A remote operation and maintenance device for an air conditioner, the remote operation and maintenance device of the air conditioner is applied to the air conditioner, and the remote operation and maintenance device of the air conditioner includes:

[0016] A tunnel establishment module, configured to automatically establish a first remote tunnel with a first port of the Internet of Things platform;

[0017] A data sending module, configured to generate operation and maintenance data, and send the operation and maintenance data to the Internet of Things platform through the first remote tunnel, so as to achieve: the Internet of Things platform sends the operation and maintenance data to the control end through a second remote tunnel, and receives an operation and maintenance instruction returned by the control end. The second remote tunnel is established between the control end and the first port;

[0018] An instruction response module, configured to respond to the operation and maintenance instruction sent by the Internet of Things platform through the first remote tunnel.

[0019] Preferably, the tunnel establishment module is specifically configured to:

[0020] In the case of detecting a power-on event or a preset reconnection event, establish the first remote tunnel with the first port.

[0021] Preferably, the tunnel establishment module is specifically configured to:

[0022] Automatically establish an encrypted first remote tunnel with the first port based on the Diffie-Hellman key exchange algorithm.

[0023] Preferably, the tunnel establishment module is further configured to:

[0024] While establishing the first remote tunnel, specify a second port of the Internet of Things platform to monitor the status of the first remote tunnel, so as to achieve: the Internet of Things platform sends the status monitoring result output by the second port to the control end through a third remote tunnel, and disconnects the first remote tunnel in response to the disconnection instruction returned by the control end. The third remote tunnel is established between the control end and a third port of the Internet of Things platform, and the disconnection instruction is returned by the control end when the status monitoring result indicates that the first remote tunnel is disconnected or has an abnormal connection.

[0025] An air conditioner includes a memory, a processor, and a computer program stored on the memory. The processor executes the computer program to implement the remote operation and maintenance method of the air conditioner.

[0026] A storage medium stores computer programs / instructions, and when the computer programs / instructions are executed by a processor, the remote operation and maintenance method of the air conditioner is implemented.

[0027] A computer program product includes computer programs / instructions, and when the computer programs / instructions are executed by a processor, the remote operation and maintenance method of the air conditioner is implemented.

[0028] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0029] The present invention provides a remote operation and maintenance method, device, air conditioner, and storage medium for an air conditioner. Applied to the air conditioner, it automatically establishes a first remote tunnel with a first port of the Internet of Things platform; generates operation and maintenance data, and sends the operation and maintenance data to the Internet of Things platform through the first remote tunnel, so as to achieve: the Internet of Things platform sends the operation and maintenance data to the control end through a second remote tunnel, and receives an operation and maintenance instruction returned by the control end. The second remote tunnel is established between the control end and the first port; responds to the operation and maintenance instruction sent by the Internet of Things platform through the first remote tunnel. In the present invention, the air conditioner actively establishes a remote tunnel with the Internet of Things platform, and the control end then establishes another remote tunnel with the Internet of Things platform based on the port of the air conditioner's remote tunnel. The operation and maintenance personnel can remotely control the air conditioner through the Internet of Things platform by operating the control end, thereby solving the problem that commercial air conditioners cannot be remotely operated and maintained. Description of the Drawings

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0031] Figure 1Method flowchart of the remote operation and maintenance method for an air conditioner provided by an embodiment of the present invention;

[0032] Figure 2 System architecture diagram of the remote operation and maintenance system for an air conditioner provided by an embodiment of the present invention;

[0033] Figure 3 Another method flowchart of the remote operation and maintenance method for an air conditioner provided by an embodiment of the present invention;

[0034] Figure 4 Yet another method flowchart of the remote operation and maintenance method for an air conditioner provided by an embodiment of the present invention;

[0035] Figure 5 Structural schematic diagram of the remote operation and maintenance device for an air conditioner provided by an embodiment of the present invention. Detailed implementation manners

[0036] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0037] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0038] Refer to Figure 1 , Figure 1 which is the method flowchart of the remote operation and maintenance method for an air conditioner provided by an embodiment of the present invention. This remote operation and maintenance method for an air conditioner is applied to an air conditioner. As Figure 1 shown, the remote operation and maintenance method for an air conditioner includes the following steps:

[0039] S10. Automatically establish a first remote tunnel with the first port of the Internet of Things platform.

[0040] S20. Generate operation and maintenance data, and send the operation and maintenance data to the Internet of Things platform through the first remote tunnel to achieve: the Internet of Things platform sends the operation and maintenance data to the control end through the second remote tunnel and receives the operation and maintenance instructions returned by the control end. The second remote tunnel is established between the control end and the first port.

[0041] S30. Respond to the operation and maintenance instructions sent by the Internet of Things platform through the first remote tunnel.

[0042] The group control function of existing commercial air conditioners is generally realized through a group control module running a pre-established program. Most of the group control modules adopt an embedded Linux system, use a 4G / 5G communication module to connect to different telecom operators in the form of a SIM traffic card, randomly dial the Internet and then run in the internal network of the telecom operator, without providing a fixed access entrance to the outside, and the pre-established program actively initiates a connection to the Internet of Things platform. In this regard, the present invention enables the group control module to become a server receiving reverse SSH tunnel connections by running the AutoSSH (Automatically restart SSH sessions and tunnels, an SSH automatic reconnection tool) reverse tunnel technology in the embedded Linux system. At this time, the operation and maintenance personnel can initiate a reverse SSH (Secure Shell) tunnel connection through the client (i.e., the control end) of the Internet of Things platform and actively establish a connection with the group control module, just like being on-site to connect to it.

[0043] See Figure 2 , Figure 2 is the system architecture diagram of the remote operation and maintenance system of the air conditioner provided by the embodiment of the present invention. As Figure 2 shown, Air conditioner A, as the device end running the group control module, connects to the network after dialing to the telecom operator's network, and then runs the AUTOSSH command to actively establish a reverse SSH tunnel (i.e., the first remote tunnel) with the server of the public IP of the Internet of Things platform B. A specified port (i.e., the first port) in the server with the public IP is used as the remote data port for Air conditioner A. Thus, Air conditioner A establishes a first remote tunnel with the first port of the Internet of Things platform B. Air conditioner A generates operation and maintenance data such as energy consumption, water and electricity based on its current operating state, and sends the operation and maintenance data to the Internet of Things platform B through the first remote tunnel.

[0044] In practical applications, to ensure the communication security between air conditioner A and the Internet of Things platform B, it is necessary to verify the encryption algorithm protocol and version when establishing the first remote tunnel. At the same time, the transmitted data is encrypted through the encryption algorithm to ensure the security of the tunnel and the confidentiality of data transmission. Specifically, when air conditioner A attempts to establish a connection with the Internet of Things platform, the Internet of Things platform B feeds back the encryption protocols and versions it supports to air conditioner A. If air conditioner A has a matching encryption protocol and version, it will initiate a connection to the Internet of Things platform B with the matching encryption protocol and version. At the same time, the Internet of Things platform B can also use an asymmetric public key, and air conditioner A uses this asymmetric public key to verify the authenticity of the host. When the above connection starts, air conditioner A and the Internet of Things platform B can use the Diffie-Hellman key exchange algorithm to create a symmetric key. Thus, air conditioner A automatically establishes an encrypted first remote tunnel with the first port of the Internet of Things platform B. Through this Diffie-Hellman key exchange algorithm, both air conditioner A and the Internet of Things platform B will obtain a shared encryption key for symmetric encryption of the subsequent entire communication session.

[0045] The following briefly describes the working principle of air conditioner A and the Internet of Things platform B using the Diffie-Hellman key exchange algorithm to create a symmetric key:

[0046] Air conditioner A and the Internet of Things platform B will agree on a very large prime number. Of course, this prime number has no common factors, and this prime number is also called the seed value. Furthermore, air conditioner A and the Internet of Things platform B both agree on a common encryption mechanism (also called the encryption generator), and through a specific algorithm, a large number of operations are performed on the seed value to generate another set of values. AES (Advanced Encryption Standard) is an example of such an encryption generator. Further, air conditioner A and the Internet of Things platform B each generate another prime number, which is used as the private key for communication. Both sides calculate the public key for this private key and the shared number through an encryption algorithm (such as AES) and distribute the public key to the other party. Even further, air conditioner A and the Internet of Things platform B use their respective private keys, the public key shared by the other party, and the original prime number to create the final key as the symmetric key. This symmetric key is independently calculated by both of them but has the same content.

[0047] Of course, after air conditioner A establishes an encrypted first remote tunnel with the Internet of Things platform B through the Diffie-Hellman key exchange algorithm, it is also necessary to verify the credentials to the Internet of Things platform B. One way is through the username and password, and then it is verified by the Internet of Things platform B through the encrypted first remote tunnel. Another way is to perform a hash operation on the username and password using a hash algorithm, and then the hash operation value is verified by the Internet of Things platform B through the encrypted first remote tunnel.

[0048] Continue to refer toFigure 2 After the air conditioner A establishes a first remote tunnel with the first port of the Internet of Things platform B, the operation and maintenance personnel operate the control terminal C, and the control terminal C runs the SSH command to establish another reverse SSH tunnel (i.e., the second remote tunnel) with the first port of the Internet of Things platform B. After the Internet of Things platform B obtains the operation and maintenance data sent by the air conditioner A through the first remote tunnel, it sends the operation and maintenance data to the control terminal C through the second remote tunnel. The operation and maintenance personnel input operation and maintenance instructions to the control terminal C based on the operation and maintenance data of the air conditioner A, and the control terminal C sends the operation and maintenance instructions to the Internet of Things platform B through the second remote tunnel, and the Internet of Things platform B then sends the operation and maintenance instructions to the air conditioner A through the first remote tunnel. In this way, the operation and maintenance personnel can remotely maintain the commercial air conditioner.

[0049] It should be noted that to ensure the communication security between the control terminal C and the Internet of Things platform B, the control terminal C and the Internet of Things platform B can establish an encrypted second remote tunnel. For the specific implementation, reference can be made to the process of establishing the encrypted first remote tunnel between the air conditioner A and the Internet of Things platform B as described above, which will not be elaborated here.

[0050] Traditional SSH reverse tunnel technology generally can meet the connection requirements, but due to accidental reasons such as network or power outage resulting in tunnel disconnection, it cannot be automatically reconnected. The AutoSSH reverse tunnel technology can monitor and encrypt the tunnel status and automatically achieve reconnection. Users can implement the reconnection mechanism through operations such as remotely disconnecting the connection. In this regard, in the embodiments of the present invention, the above step S10 "automatically establish a first remote tunnel with the first port of the Internet of Things platform" can adopt the following steps, and the method flow chart is as Figure 3 shown:

[0051] S101, when detecting a power-on event or a preset reconnection event, establish a first remote tunnel with the first port.

[0052] Specifically, in the embodiments of the present invention, the configuration for the air conditioner to actively create the first remote tunnel can be added to the air conditioner's power-on self-start option, which can ensure that the air conditioner automatically establishes a first remote tunnel with the Internet of Things platform in the event of a power outage or restart. In addition, due to the configurable characteristics of the AutoSSH reverse tunnel technology, configurations such as reconnection intervals and reconnection times can also be made for the air conditioner to ensure the mechanism of automatic tunnel reconnection. Therefore, when the air conditioner detects a power-on event or a predefined reconnection event (such as the tunnel disconnection time meets the reconnection interval, the number of tunnel disconnections is less than or equal to the reconnection times, etc.), it can automatically establish a first remote tunnel with the first port of the Internet of Things platform.

[0053] In addition, to avoid the problem of manual intervention required after the disconnection of the traditional SSH reverse tunnel technology, the embodiment of the present invention also provides the first remote tunnel with the function of status monitoring. Specifically, the remote operation and maintenance method of the air conditioner provided by the embodiment of the present invention further includes the following steps, and the method flow chart is as Figure 4 shown:

[0054] S40. While establishing the first remote tunnel, specify the second port of the Internet of Things platform to monitor the status of the first remote tunnel, so as to implement: the Internet of Things platform sends the status monitoring result output by the second port to the control end through the third remote tunnel, and disconnects the first remote tunnel in response to the disconnection instruction returned by the control end. The third remote tunnel is established between the control end and the third port of the Internet of Things platform, and the disconnection instruction is returned by the control end when the status monitoring result indicates that the first remote tunnel is disconnected or the connection is abnormal.

[0055] Specifically, in the embodiment of the present invention, while the air conditioner automatically establishes the first remote tunnel with the Internet of Things platform, another idle port (i.e., the second port) of the Internet of Things platform can be specified as the status monitoring port, and the status monitoring result of the first remote tunnel is output by the second port.

[0056] The operation and maintenance personnel log in to the Internet of Things platform to view the status monitoring result output by the second port specified when the first remote tunnel is established. The control end runs the AUTOSSH command to actively establish a reverse SSH tunnel (i.e., the third remote tunnel) with the server of the public IP of the Internet of Things platform. Another idle port (i.e., the third port) in the public IP server is specified to establish the third remote tunnel with the control end.

[0057] After the Internet of Things platform sends the status monitoring result of the first remote tunnel to the control end through the third remote tunnel, the control end parses the status monitoring result. If the status monitoring result indicates that the first remote tunnel is disconnected or the connection is abnormal, the operation and maintenance personnel input a disconnection instruction to the control end, and the control end sends the disconnection instruction to the Internet of Things platform through the third remote tunnel. The Internet of Things platform then responds to the disconnection instruction and disconnects the first remote tunnel with the air conditioner. In practical applications, the Internet of Things platform can actively disconnect the first remote tunnel established with the air conditioner by killing the process, so as to achieve the purpose of the air conditioner responding to the reconnection event and re-establishing the first remote tunnel. The Internet of Things platform can also prevent the establishment of the first remote tunnel with the air conditioner by occupying the first port.

[0058] Of course, the operation and maintenance personnel can also operate the control end to actively disconnect the second remote tunnel and the third remote tunnel with the Internet of Things platform to achieve the purpose of disconnecting or reconnecting the control end and the Internet of Things platform.

[0059] It should be noted that in the embodiments of the present invention, the control terminal may be a mobile phone, a tablet computer, a wearable device, a vehicle-mounted device, an augmented reality (AR) / virtual reality (VR) device, a notebook computer, an ultra-mobile personal computer (UMPC), a netbook, a personal digital assistant (PDA), etc., and the embodiments of the present invention do not impose any restrictions on this.

[0060] Through the above description, the remote operation and maintenance method of the air conditioner provided by the embodiments of the present invention solves the problem that when the established program of the group control module is abnormal, on-site troubleshooting by operation and maintenance personnel is required. With the help of the embedded Linux system and sim traffic communication of the group control module itself, no additional hardware configuration or equipment is required. By establishing a remote tunnel, not only can remote operation and maintenance operations be realized, but also the status of the tunnel can be remotely monitored, and functions such as remote disconnection, shutdown, and automatic reconnection can be achieved. The present invention has the following advantages:

[0061] 1) It can realize remote operation and maintenance with free control of commercial air conditioners; 2) It can flexibly control the establishment and disconnection of remote tunnels at both ends; 3) It enables operation and maintenance personnel to remotely debug and view programs, and remotely iterate and update; 4) It uses its own communication module to connect to the network without adding additional hardware configuration; 5) It uses sim communication and can be realized wherever there is a signal from a telecom operator without additional network operation; 6) The embedded Linux system of the group control module comes with the SSH protocol, and no additional hardware device is required; 7) It uses Internet of Things cloud communication, port customization, and account password or key verification to ensure transmission security.

[0062] Based on the remote operation and maintenance method of the air conditioner provided in the above embodiments, the embodiments of the present invention correspondingly provide a device for executing the above remote operation and maintenance method of the air conditioner. The structural schematic diagram of the remote operation and maintenance device of the air conditioner is as Figure 5 shown, including:

[0063] A tunnel establishment module 10, configured to automatically establish a first remote tunnel with the first port of the Internet of Things platform;

[0064] A data sending module 20, configured to generate operation and maintenance data, and send the operation and maintenance data to the Internet of Things platform through the first remote tunnel, so as to achieve: the Internet of Things platform sends the operation and maintenance data to the control terminal through the second remote tunnel and receives the operation and maintenance instructions returned by the control terminal, and the second remote tunnel is established between the control terminal and the first port;

[0065] An instruction response module 30, configured to respond to the operation and maintenance instructions sent by the Internet of Things platform through the first remote tunnel.

[0066] Optionally, the tunnel establishment module 10 is specifically configured to:

[0067] In the case of detecting a power-on event or a preset reconnection event, establish a first remote tunnel with the first port.

[0068] Optionally, the tunnel establishment module 10 is specifically configured to:

[0069] Automatically establish an encrypted first remote tunnel with the first port based on the Diffie-Hellman key exchange algorithm.

[0070] Optionally, the tunnel establishment module 10 is further configured to:

[0071] While establishing the first remote tunnel, specify the second port of the Internet of Things platform to monitor the status of the first remote tunnel, so as to achieve: the Internet of Things platform sends the status monitoring result output by the second port to the control end through the third remote tunnel, and disconnects the first remote tunnel in response to the disconnection instruction returned by the control end. The disconnection instruction is returned by the control end when the status monitoring result indicates that the first remote tunnel is disconnected or the connection is abnormal.

[0072] It should be noted that for the refined functions of each module in the embodiments of the present invention, reference can be made to the corresponding disclosed parts in the embodiments of the remote operation and maintenance method of the air conditioner above, and details will not be described here again.

[0073] Based on the remote operation and maintenance method of the air conditioner provided in the above embodiments, an embodiment of the present invention further provides an air conditioner, including a memory, a processor, and a computer program stored on the memory. The processor executes the computer program to implement the remote operation and maintenance method of the air conditioner.

[0074] Based on the remote operation and maintenance method of the air conditioner provided in the above embodiments, an embodiment of the present invention further provides a storage medium, on which a computer program / instructions are stored. When the computer program / instructions are executed by a processor, the remote operation and maintenance method of the air conditioner is implemented.

[0075] Based on the remote operation and maintenance method of the air conditioner provided in the above embodiments, an embodiment of the present invention further provides a computer program product, including a computer program / instructions. When the computer program / instructions are executed by a processor, the remote operation and maintenance method of the air conditioner is implemented.

[0076] The above has introduced in detail a remote operation and maintenance method, device, air conditioner, and storage medium of an air conditioner provided by the present invention. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

[0077] It should be noted that the embodiments in this specification are all described in a progressive manner. Each embodiment focuses on the differences from other embodiments. For the parts that are the same or similar among the embodiments, reference can be made to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple. For the relevant parts, reference can be made to the description in the method part.

[0078] It should also be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements also includes the elements inherent to these processes, methods, articles or devices, or further includes the elements inherent to these processes, methods, articles or devices. Without further limitation, an element defined by the statement "including one..." does not exclude the existence of another identical element in the process, method, article or device including the said element.

[0079] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A remote operation and maintenance method for an air conditioner, characterized in that, The remote operation and maintenance method of the air conditioner is applied to the air conditioner, and the remote operation and maintenance method of the air conditioner includes: Automatically establish a first remote tunnel with the first port of the Internet of Things platform; Generate operation and maintenance data, and send the operation and maintenance data to the Internet of Things platform through the first remote tunnel, so as to implement: the Internet of Things platform sends the operation and maintenance data to the control terminal through a second remote tunnel and receives the operation and maintenance instruction returned by the control terminal, and the second remote tunnel is established between the control terminal and the first port; Respond to the operation and maintenance instruction sent by the Internet of Things platform through the first remote tunnel.

2. The remote operation and maintenance method of the air conditioner according to claim 1, characterized in that, The step of automatically establishing a first remote tunnel with the first port of the Internet of Things platform includes: When a power-on event or a preset reconnection event is detected, establish the first remote tunnel with the first port.

3. The remote operation and maintenance method of the air conditioner according to claim 1, characterized in that, The step of automatically establishing a first remote tunnel with the first port of the Internet of Things platform includes: Automatically establish an encrypted first remote tunnel with the first port based on the Diffie-Hellman key exchange algorithm.

4. The remote operation and maintenance method of the air conditioner according to claim 1, characterized in that, The remote operation and maintenance method of the air conditioner further includes: When establishing the first remote tunnel, specify the second port of the Internet of Things platform to monitor the state of the first remote tunnel, so as to implement: the Internet of Things platform sends the state monitoring result output by the second port to the control terminal through a third remote tunnel and disconnects the first remote tunnel in response to the disconnection instruction returned by the control terminal, and the third remote tunnel is established between the control terminal and the third port of the Internet of Things platform, and the disconnection instruction is returned by the control terminal when the state monitoring result indicates that the first remote tunnel is disconnected or has an abnormal connection.

5. A remote operation and maintenance device for an air conditioner, characterized in that, The remote operation and maintenance device of the air conditioner is applied to the air conditioner, and the remote operation and maintenance device of the air conditioner includes: A tunnel establishment module, configured to automatically establish a first remote tunnel with the first port of the Internet of Things platform; A data sending module, configured to generate operation and maintenance data, and send the operation and maintenance data to the Internet of Things platform through the first remote tunnel, so as to implement: the Internet of Things platform sends the operation and maintenance data to the control terminal through a second remote tunnel and receives the operation and maintenance instruction returned by the control terminal, and the second remote tunnel is established between the control terminal and the first port; An instruction response module, configured to respond to the operation and maintenance instruction sent by the Internet of Things platform through the first remote tunnel.

6. The remote operation and maintenance device of the air conditioner according to claim 5, characterized in that The tunnel establishment module is specifically configured to: When a power-on event or a preset reconnection event is detected, establish the first remote tunnel with the first port.

7. The remote operation and maintenance device for an air conditioner according to claim 5, characterized in that The tunnel establishment module is specifically configured to: Automatically establish an encrypted first remote tunnel with the first port based on the Diffie-Hellman key exchange algorithm.

8. The remote operation and maintenance device of the air conditioner according to claim 5, characterized in that, The tunnel establishment module is further configured to: While establishing the first remote tunnel, specify a second port of the Internet of Things platform to monitor the status of the first remote tunnel, so as to achieve: the Internet of Things platform sends the status monitoring result output by the second port to the control end through a third remote tunnel, and disconnects the first remote tunnel in response to a disconnection instruction returned by the control end. The third remote tunnel is established between the control end and a third port of the Internet of Things platform. The disconnection instruction is returned by the control end when the status monitoring result indicates that the connection of the first remote tunnel is disconnected or abnormally connected.

9. An air conditioner, comprising a memory, a processor, and a computer program stored on the memory, characterized in that, The processor executes the computer program to implement the remote operation and maintenance method of the air conditioner according to any one of claims 1-4.

10. A storage medium having a computer program / instructions stored thereon, characterized in that, When the computer program / instructions are executed by the processor, the remote operation and maintenance method of the air conditioner according to any one of claims 1-4 is implemented.

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