Remote operation and maintenance method and device based on dual-mode dual-card, computer equipment and storage medium

By employing a dual-mode, dual-SIM remote maintenance method in low-power devices, and utilizing switching circuits and periodic heartbeat keep-alive of SIM cards, the problems of low maintenance efficiency and high cost of low-power devices are solved. This achieves ultra-low power consumption and seamless monitoring, improving maintenance efficiency and reducing costs.

CN121152001APending Publication Date: 2025-12-16ZHEJIANG DAHUA TECH CO LTD
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Patent Information

Application Number
CN202511366008.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-23
Publication Date
2025-12-16

AI Technical Summary

Technical Problem

In existing technologies, the operation and maintenance efficiency of low-power devices is low and the cost is high. Especially when the device is installed in a high and remote location and the power supply is limited, it is impossible to quickly and efficiently collect logs, locate the faulty device and repair the problem.

Method used

A remote operation and maintenance method based on dual-mode dual-SIM is adopted. When the low-power device enters the low-power state, the switching circuit determines whether the cellular module supports dual-SIM dual-standby. It then uses the service SIM card and the operation and maintenance SIM card to perform periodic heartbeat keep-alive with the operation and maintenance platform. With the power-down of the main control module and the service module, ultra-low power consumption and seamless monitoring are achieved.

Benefits of technology

It improves operation and maintenance efficiency, reduces operation and maintenance costs, and enables seamless operation and maintenance, ensuring that remote operation and maintenance commands are not lost and that devices can quickly respond to wake-up events in low-power states.

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Abstract

The invention relates to a remote operation and maintenance method and device based on dual-mode and dual-card, computer equipment and a storage medium, and the method comprises the steps: judging whether an operation and maintenance module supports dual-card and dual-standby or not when low-power equipment enters a low-power state; if the operation and maintenance module supports dual-card dual-standby, the switching circuit is controlled to connect the service SIM card and the operation and maintenance SIM card to the operation and maintenance module under the switching control signal of the main control module; performing periodic heartbeat keep-alive with the operation and maintenance platform through the service SIM card and the operation and maintenance SIM card; and the main control module and the service module are powered off. Through the application, the problems of low operation and maintenance efficiency and high operation and maintenance cost in related technologies are solved, the switching circuit is utilized to connect the service SIM card and the operation and maintenance SIM card to the operation and maintenance module to realize periodic heartbeat keep-alive, and the switching circuit is matched with the power-off main control module and the service module to realize ultra-low power consumption and seamless monitoring and improve the operation and maintenance efficiency.
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Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to remote operation and maintenance methods, devices, computer equipment and storage media based on dual-mode dual-SIM cards. Background Technology

[0002] With the increasing coverage of power equipment, low-power devices have become more widespread. These low-power devices establish wireless links via cellular networks, ultimately transmitting real-time video or image captures to a backend monitoring platform for remote operation and maintenance. The wireless link between the device and the platform is crucial; if it is interrupted, the device becomes isolated, making remote fault location and repair impossible.

[0003] The traditional approach involves technical support personnel arriving on-site, connecting to the device via its serial or Ethernet port, and then reproducing the problem for fault analysis and repair. This is particularly problematic in scenarios such as power transmission, docks, and mining areas, where equipment is installed high and in remote locations with limited power, making it difficult to quickly and efficiently collect, locate, and repair faulty equipment logs. This significantly reduces maintenance efficiency and increases maintenance costs.

[0004] There is currently no effective solution to the problems of low operation and maintenance efficiency and high operation and maintenance costs in related technologies. Summary of the Invention

[0005] This embodiment provides a remote operation and maintenance method, device, computer equipment, and storage medium based on dual-mode dual-card, in order to solve the problems of low operation and maintenance efficiency and high operation and maintenance cost in related technologies.

[0006] Firstly, this embodiment provides a remote operation and maintenance method based on dual-mode dual-SIM, applicable to low-power devices. The low-power device includes a main control module, two sets of cellular modules, a switching circuit, and two SIM cards. The main control module is connected to the switching circuit through each set of cellular modules. The two sets of cellular modules are a service module and an operation and maintenance module, respectively. The two SIM cards are a service SIM card and an operation and maintenance SIM card, respectively. The service SIM card registers to a first cellular network and makes wireless network calls; the operation and maintenance SIM card registers to a second cellular network but does not make wireless network calls. The method includes:

[0007] When the low-power device enters a low-power state, determine whether the operation and maintenance module supports dual SIM dual standby;

[0008] If the maintenance module supports dual SIM dual standby, then under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card and the maintenance SIM card to the maintenance module; and periodic heartbeat keep-alive is performed with the maintenance platform through the service SIM card and the maintenance SIM card;

[0009] Power off the main control module and the service module.

[0010] In some embodiments, the method further includes:

[0011] When the low-power device is in the default setting, under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card to the service module and the maintenance SIM card to the maintenance module.

[0012] In some embodiments, the method further includes:

[0013] If the operation and maintenance module does not support dual SIM dual standby, then determine whether the service module supports dual SIM dual standby.

[0014] If the service module supports dual SIM dual standby, then under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card and the maintenance SIM card to the service module; and periodic heartbeat keep-alive is performed with the maintenance platform through the service SIM card and the maintenance SIM card;

[0015] Power off the main control module and the operation and maintenance module.

[0016] In some embodiments, periodic heartbeat keep-alive is performed with the operation and maintenance platform via the service SIM card and the operation and maintenance SIM card, including:

[0017] The first cellular network registered through the service SIM card periodically sends heartbeat keep-alive data to the operation and maintenance platform, and checks between sending intervals whether the second cellular network has paging messages for remote operation and maintenance instructions;

[0018] After sending, it enters a sleep state; at this time, the maintenance SIM card does not dial for the wireless network.

[0019] In some embodiments, the method further includes:

[0020] When the DRX cycle is reached in the sleep state and a paging message with a remote operation and maintenance instruction is detected, a power-on operation is performed, and at the same time, the service module is reconnected to the service SIM card, and the operation and maintenance module is connected to the operation and maintenance SIM card.

[0021] The service module and the operation and maintenance module are controlled to simultaneously initiate wireless network dialing for independent data transmission.

[0022] In some embodiments, the method further includes:

[0023] If the service module does not support dual SIM dual standby, then determine whether the remaining battery power exceeds the preset battery power threshold;

[0024] If the remaining battery power exceeds a preset battery power threshold, the service SIM card is connected to the service module, and the maintenance SIM card is connected to the maintenance module. At this time, the service SIM card performs periodic heartbeats with the service platform to keep it alive.

[0025] In some embodiments, the method further includes:

[0026] If the remaining battery power does not exceed the preset battery power threshold, a periodic switching strategy is used to control the connection of the maintenance SIM card and the service SIM card to the maintenance module.

[0027] Secondly, this embodiment provides a remote operation and maintenance device based on dual-mode dual-SIM, suitable for low-power devices. The low-power device includes a main control module, two sets of cellular modules, a switching circuit, and two SIM cards. The main control module is connected to the switching circuit through each set of cellular modules. The two sets of cellular modules are a service module and an operation and maintenance module, respectively. The two SIM cards are a service SIM card and an operation and maintenance SIM card, respectively. The service SIM card is registered to a first cellular network and makes wireless network calls. The operation and maintenance SIM card is registered to a second cellular network but does not make wireless network calls. The device includes a first judgment module, a processing module, and a power-off module.

[0028] The first judgment module is used to determine whether the operation and maintenance module supports dual SIM dual standby when the low power device enters a low power state;

[0029] The processing module is configured to, if the operation and maintenance module supports dual SIM dual standby, control the switching circuit to connect the service SIM card and the operation and maintenance SIM card to the operation and maintenance module under the switching control signal of the main control module; and perform periodic heartbeat keep-alive with the operation and maintenance platform through the service SIM card and the operation and maintenance SIM card.

[0030] The power-down module is used to power down the main control module and the service module.

[0031] Thirdly, this embodiment provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, it implements the remote operation and maintenance method based on dual-mode dual-card described in the first aspect.

[0032] Fourthly, this embodiment provides a storage medium storing a computer program that, when executed by a processor, implements the remote operation and maintenance method based on dual-mode dual-card described in the first aspect.

[0033] Compared with related technologies, the remote operation and maintenance method, device, computer equipment, and storage medium based on dual-mode dual-SIM provided in this embodiment are applicable to low-power devices. The low-power device includes a main control module, two sets of cellular modules, a switching circuit, and two SIM cards. The main control module is connected to the switching circuit through each set of cellular modules. The two sets of cellular modules are a service module and an operation and maintenance module, respectively. The two SIM cards are a service SIM card and an operation and maintenance SIM card, respectively. The service SIM card registers to the first cellular network and makes wireless network calls; the operation and maintenance SIM card registers to the second cellular network but does not make wireless network calls. This method involves the low-power device entering a low-power mode... In this state, it determines whether the maintenance module supports dual SIM dual standby. If the maintenance module supports dual SIM dual standby, under the switching control signal of the main control module, the switching circuit connects the service SIM card and the maintenance SIM card to the maintenance module. The service SIM card and the maintenance SIM card perform periodic heartbeat keep-alive with the maintenance platform. The main control module and the service module are then powered down. This solves the problems of low maintenance efficiency and high maintenance cost in related technologies. By using the switching circuit to connect the service SIM card and the maintenance SIM card to the maintenance module to achieve periodic heartbeat keep-alive, and in conjunction with powering down the main control module and the service module, ultra-low power consumption and seamless monitoring are achieved, thereby improving maintenance efficiency.

[0034] Details of one or more embodiments of this application are set forth in the following drawings and description to make other features, objects and advantages of this application more readily apparent. Attached Figure Description

[0035] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0036] Figure 1 This is a hardware structure block diagram of a low-power device provided in an embodiment of this application;

[0037] Figure 2 This is a flowchart of a remote operation and maintenance method based on dual-mode dual-SIM provided in an embodiment of this application;

[0038] Figure 3 This is a flowchart illustrating the method for maintaining dual SIM dual standby in the operations and maintenance module.

[0039] Figure 4 This is a flowchart illustrating a method where neither the business module nor the operation and maintenance module supports dual SIM dual standby.

[0040] Figure 5 This is a flowchart of a remote operation and maintenance method based on dual-mode dual-card provided in a preferred embodiment of this application;

[0041] Figure 6 This is a structural block diagram of a remote operation and maintenance device based on dual-mode dual-card provided in one embodiment of this application.

[0042] In the diagram: 210, First judgment module; 220, Processing module; 230, Power-down module. Detailed Implementation

[0043] To better understand the purpose, technical solution, and advantages of this application, the application is described and illustrated below in conjunction with the accompanying drawings and embodiments.

[0044] Unless otherwise defined, the technical or scientific terms used in this application shall have the general meaning understood by one of ordinary skill in the art to which this application pertains. Words such as “a,” “an,” “an,” “the,” “the,” and “these” used in this application do not indicate quantitative limitation and may be singular or plural. The terms “comprising,” “including,” “having,” and any variations thereof used in this application are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or device that comprises a series of steps or modules (units) is not limited to the listed steps or modules (units) but may include steps or modules (units) not listed, or may include other steps or modules (units) inherent to these processes, methods, products, or devices. Words such as “connected,” “linked,” and “coupled” used in this application are not limited to physical or mechanical connections but may include electrical connections, whether direct or indirect. “Multiple” used in this application refers to two or more. “And / or” describes the relationship between related objects, indicating that three relationships may exist; for example, “A and / or B” can represent: A alone, A and B simultaneously, and B alone. Normally, the character " / " indicates that the objects before and after it are in an "or" relationship. The terms "first," "second," "third," etc., used in this application are merely to distinguish similar objects and do not represent a specific order of objects.

[0045] The method embodiments provided in this example can be executed in low-power devices. Figure 1 This is a hardware structure block diagram of the low-power device in this embodiment. For example... Figure 1As shown, the low-power device may include a main control module, two sets of cellular modules, a switching circuit, and two SIM cards. The main control module is connected to the switching circuit through each set of cellular modules. The two sets of cellular modules are a service module and an operation and maintenance module, respectively. The two SIM cards are a service SIM card and an operation and maintenance SIM card, respectively. The service SIM card is registered to the first cellular network and makes wireless network calls; the operation and maintenance SIM card is registered to the second cellular network but does not make wireless network calls. The two SIM cards are interchangeable and there is no limitation on this. Those skilled in the art will understand that... Figure 1 The structure shown is for illustrative purposes only and does not limit the structure of the low-power device described above. For example, the low-power device may also include components that are more powerful than... Figure 1 The more or fewer components shown, or having the same Figure 1 The different configurations shown are illustrated.

[0046] The main control module can be used to store computer programs, such as application software programs and modules, like the computer program corresponding to the remote operation and maintenance method based on dual-mode dual-card in this embodiment. The main control module executes various functional applications and data processing by running the stored computer programs, thereby realizing the above-mentioned method.

[0047] The platforms that interact with low-power devices include an operations and maintenance (O&M) platform and a service platform. The O&M platform handles O&M-related functions, such as heartbeat keep-alive and remote control SMS sending and receiving. The service platform handles service-related functions, such as pushing video streams and capturing images. The service module (Cellular1) is a high-performance, high-power cellular module; for example, it can be a Cat4 LTE module, a 5GEMBB module, or a Redacap module, used for service functions such as pushing video streams and capturing images. That is, the first cellular network established through the service module pushes the collected video information to the service platform in real time. The O&M module (Cellular2) is mainly used for device O&M-related functions, responsible for low-data-volume transmission, such as heartbeat keep-alive and remote control SMS sending and receiving. The O&M module can be a Cat1 LTE module with lower network performance and extremely low power consumption.

[0048] Optionally, the low-power device supports cellular modules with dual SIM dual standby capability; that is, both the service module and the operation and maintenance module can support dual SIM dual standby, and one of the cellular modules can also support dual SIM dual standby, or neither can support dual SIM dual standby. The method embodiments provided in this application can all be adapted, thereby greatly expanding the scope of use and having good scenario adaptability.

[0049] The low-power device also includes a power management module; the power management module is used to supply power to the main control module, service module and operation and maintenance module; and under the control of the main control module, it completes the power-on and power-off of the corresponding modules.

[0050] The service module and the operation and maintenance module are each connected to two SIM cards via switching circuits. The main control module is connected to the switching circuits of both the service module and the operation and maintenance module, and operates under the control of the main control module.

[0051] 1. The service module connects to both the service SIM card and the maintenance SIM card; the maintenance module does not connect to any SIM card. 2. The service module connects to the service SIM card, and the maintenance module connects to the maintenance SIM card. 3. The service module connects to the maintenance SIM card, and the maintenance module connects to the service SIM card. 4. The service module does not connect to any SIM card, and the maintenance module connects to both the service SIM card and the maintenance SIM card.

[0052] This embodiment provides a remote operation and maintenance method based on dual-mode dual-SIM cards. Figure 2 This is a flowchart of the remote operation and maintenance method based on dual-mode dual-SIM in this embodiment, as follows: Figure 2 As shown, the process includes the following steps:

[0053] Step S210: When the low-power device enters the low-power state, determine whether the operation and maintenance module supports dual SIM dual standby.

[0054] Step S220: If the maintenance module supports dual SIM dual standby, then under the switching control signal of the main control module, the control switching circuit connects the service SIM card and the maintenance SIM card to the maintenance module; and periodically heartbeats with the maintenance platform are performed through the service SIM card and the maintenance SIM card to keep them alive.

[0055] Step S230: Power off the main control module and the service module.

[0056] Specifically, the low-power state of a low-power device refers to a significantly reduced energy consumption operating mode that the device enters through hardware or software optimization while maintaining basic functions or standby capabilities. The core objective of this state is to reduce static and dynamic power consumption, extend battery life, or lower energy consumption, while ensuring the device can quickly respond to wake-up events. In this embodiment, the low-power state involves powering down the main control module and the service module; the maintenance module connects the service SIM card and the maintenance SIM card to achieve periodic heartbeat keep-alive with the maintenance platform, thereby ensuring the device can quickly respond to wake-up events. This process is as follows:

[0057] Since both the service module and the maintenance module support dual SIM dual standby, and one of the cellular modules may also support dual SIM dual standby or not support dual SIM dual standby at all, the method embodiments provided in this application are adaptable to all of them, thereby greatly expanding the scope of application and having good scenario adaptability. Therefore, when the low-power device enters a low-power state, it is first determined whether the maintenance module supports dual SIM dual standby; if the maintenance module supports dual SIM dual standby, the main control module will generate a switching control signal and transmit it to the switching circuit; under the switching control signal, the switching circuit connects the service SIM card and the maintenance SIM card to the maintenance module; and then powers down the main control module and the service module. At this time, the maintenance module is working. The maintenance module can quickly respond to wake-up events and achieve seamless monitoring through the second cellular network established by the maintenance SIM card and the first cellular network established by the service SIM card. Moreover, the maintenance module itself is responsible for low data transmission, such as heartbeat keep-alive and remote control SMS sending and receiving, thereby minimizing power consumption and achieving ultra-low power operation; no human intervention is required in the above process, thus achieving seamless maintenance.

[0058] In related technologies, technical support personnel arrive on-site and connect to the equipment via its serial or Ethernet ports to reproduce the problem for fault analysis and repair. This is particularly problematic in scenarios such as power transmission, docks, and mining areas, where equipment is installed at high, remote locations with limited power, making it difficult to quickly and efficiently collect, locate, and repair faulty equipment logs. This significantly reduces maintenance efficiency and increases maintenance costs. In this embodiment, when the low-power device enters a low-power state, it is determined whether the maintenance module supports dual SIM dual standby. If the maintenance module supports dual SIM dual standby, under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card and the maintenance SIM card to the maintenance module. The service SIM card and the maintenance SIM card perform periodic heartbeat keep-alive with the maintenance platform. The main control module and the service module are then powered down. This solves the problems of low maintenance efficiency and high maintenance cost in related technologies. By using the switching circuit to connect the service SIM card and the maintenance SIM card to the maintenance module to achieve periodic heartbeat keep-alive, and cooperating with the power-down of the main control module and the service module, ultra-low power consumption and seamless monitoring are achieved, improving maintenance efficiency and enabling seamless maintenance.

[0059] The steps described above are explained in detail below:

[0060] In some embodiments, the remote operation and maintenance method based on dual-mode dual-SIM cards further includes:

[0061] When the low-power device is in the default setting, under the switching control signal of the main control module, the control switching circuit connects the service SIM card to the service module and the maintenance SIM card to the maintenance module.

[0062] Specifically, the default setting for low-power devices refers to the state in which the device operates normally after power-on initialization and restoration of default configuration. At this time, the main control module generates a switching control signal; this signal is transmitted to the switching circuit; under this signal, the switching circuit connects the service SIM card to the service module, and the service module uses the first cellular network established by the service SIM card to achieve real-time transmission of service data such as video streams and image captures. When the maintenance SIM card is connected to the maintenance module, the maintenance module only registers with the cellular network to establish a second cellular network, but does not dial into the wireless network, thus reducing device power consumption in RRC IDLE mode.

[0063] This embodiment can reduce the power consumption of the device under normal operation and increase its runtime.

[0064] In some of these embodiments, such as Figure 3 As shown, the remote operation and maintenance method based on dual-mode dual-SIM cards also includes the following steps:

[0065] Step S240: If the operation and maintenance module does not support dual SIM dual standby, then determine whether the service module supports dual SIM dual standby.

[0066] Step S250: If the service module supports dual SIM dual standby, then under the switching control signal of the main control module, the control switching circuit connects the service SIM card and the maintenance SIM card to the service module; and periodically heartbeats with the maintenance platform are performed through the service SIM card and the maintenance SIM card to keep the system alive.

[0067] Step S260: Power off the main control module and the operation and maintenance module.

[0068] Specifically, after determining whether the maintenance module supports dual SIM dual standby in step S210, if the maintenance module does not support dual SIM dual standby, the main control module will generate a switching control signal and transmit it to the switching circuit. Under the switching control signal, the switching circuit will connect the service SIM card and the maintenance SIM card to the service module. At the same time, the main control module and the maintenance module will be powered down.

[0069] At this time, the service module is operational. Through the second cellular network established by the maintenance SIM card and the first cellular network established by the service SIM card, the service module can quickly respond to wake-up events, achieve seamless monitoring, and reduce power consumption. No human intervention is required during this process, thus achieving seamless operation and maintenance.

[0070] In this embodiment, the dual-SIM dual-standby configuration of the selected service module enables ultra-low power operation of the device while achieving seamless monitoring.

[0071] In some embodiments, the periodic heartbeat keep-alive operation with the operation and maintenance platform via the service SIM card and the operation and maintenance SIM card in steps S220 and S240 includes the following steps:

[0072] The first cellular network registered through the service SIM card enables the operation and maintenance module to periodically send heartbeat keep-alive data to the operation and maintenance platform, and to check between sending intervals whether the second cellular network has paging messages for remote operation and maintenance instructions;

[0073] After sending, the maintenance module is put into sleep mode; at this time, the maintenance SIM card does not dial the wireless network.

[0074] Specifically, in step S220, the main control module and the service module are powered down, and the operation and maintenance module is powered on.

[0075] At this time, the maintenance module periodically sends heartbeat keep-alive data to the maintenance platform through the first cellular network established by the service SIM card, and enters a sleep state after sending the data. Because the maintenance module supports dual SIM dual standby, the maintenance SIM card is also registered on the second cellular network, but does not initiate dialing (in this embodiment, the dual SIM dual standby module only allows one SIM card to initiate network dialing at the same time, but allows the other SIM card to register on the cellular network); however, because the heartbeat keep-alive data with the maintenance platform has periodic and intermittent characteristics, the dual SIM dual standby module (maintenance module) can check whether there are paging messages such as remote control SMS messages arriving on the second network established by the maintenance SIM card when there is no data transmission or reception (this process does not affect the wireless connection of the service SIM card). If there is a paging message for a remote maintenance command, the wake-up process will begin.

[0076] For step S240, the main control module and the operation and maintenance module are powered down, and the service module is powered on.

[0077] At this time, the service module periodically sends heartbeat keep-alive data to the operation and maintenance platform through the first cellular network established by the service SIM card, and enters a sleep state after sending. Because the service module supports dual SIM dual standby, the operation and maintenance SIM card is also registered in the second cellular network, but does not initiate dialing (in this embodiment, the dual SIM dual standby module only allows one SIM card to initiate network dialing at the same time, but allows the other SIM card to register in the cellular network); however, because the heartbeat keep-alive data with the operation and maintenance platform has periodic and intermittent characteristics, the dual SIM dual standby module (service module) can check whether there are paging messages such as remote control SMS messages arriving in the second network established by the operation and maintenance SIM card when there is no data transmission or reception (this process does not affect the wireless connection of the service SIM card). If there is a paging message with a remote operation and maintenance command, the relevant wake-up process is initiated.

[0078] This embodiment enables seamless monitoring while reducing power consumption; and ensures that paging messages for remote maintenance commands are not lost, thereby improving maintenance efficiency.

[0079] In some embodiments, the remote operation and maintenance method based on dual-mode dual-SIM cards further includes the following steps:

[0080] When the DRX cycle is reached in the sleep state and a paging message with remote operation and maintenance instructions is heard, a power-on operation is performed, and the service module is reconnected to the service SIM card, and the operation and maintenance module is connected to the operation and maintenance SIM card.

[0081] The control service module and the operation and maintenance module can simultaneously initiate wireless network dialing to conduct independent data transmission.

[0082] Specifically, after time t1 has elapsed, the maintenance personnel receive maintenance requests (such as requests to upgrade or configure parameters of the device remotely when it is offline). The maintenance personnel then send a paging message with remote maintenance instructions to the device's maintenance SIM card via a mobile app.

[0083] For step S220, when the maintenance module in sleep mode reaches the DRX cycle and listens for a paging message with a remote maintenance instruction, it parses the paging message. If a remote maintenance instruction is confirmed, it powers on the main control module and the service module. At the same time, the service module reconnects to the service SIM card, and the maintenance module connects to the maintenance SIM card. At this time, the service module and the maintenance module initiate wireless network dialing simultaneously and transmit data independently.

[0084] For step S240, when the service module in the dormant state reaches the DRX cycle and listens for a paging message with a remote maintenance instruction, it parses the paging message. If a remote maintenance instruction is confirmed, it powers on the main control module and the maintenance module. At the same time, the service module reconnects to the service SIM card, and the maintenance module connects to the maintenance SIM card. At this time, the service module and the maintenance module initiate wireless network dialing simultaneously and transmit data independently.

[0085] In this embodiment, maintenance personnel can perform remote maintenance based on the cellular network of the cellular module and SIM card. This process does not affect services such as keep-alive and data transmission between the device and the service platform.

[0086] In some of these embodiments, such as Figure 4 As shown, the remote operation and maintenance method based on dual-mode dual-SIM cards also includes the following steps:

[0087] Step S410: If the service module does not support dual SIM dual standby, determine whether the remaining battery power exceeds the preset battery power threshold.

[0088] In step S420, if the remaining power exceeds the preset power threshold, the service SIM card is connected to the service module, and the maintenance SIM card is connected to the maintenance module. At this time, the service SIM card and the service platform are periodically kept alive through heartbeat.

[0089] Specifically, if the service module does not support dual SIM dual standby, it is assumed that neither of the two cellular modules supports dual SIM dual standby; then it is further determined whether the remaining power of the current low-power device exceeds the preset power threshold; the power threshold can be selected according to the application scenario; preferably, the power threshold can be set to 50%.

[0090] When the remaining battery power exceeds 50%, the main control module generates a switching control signal. This signal is transmitted to the switching circuit. Under this signal, the switching circuit controls the service SIM card to connect to the service module and the maintenance SIM card to connect to the maintenance module, allowing both cellular modules to power on and operate simultaneously. At this time, the service module maintains a periodic heartbeat with the service platform via the service SIM card. The maintenance module initiates network registration using the maintenance SIM card and listens for incoming remote SMS messages during the DRX cycle. If no heartbeat data or SMS messages arrive, both cellular modules enter a sleep state.

[0091] After time t1 has elapsed, the maintenance personnel receive a maintenance request (such as a request to upgrade or configure parameters of a device that is offline or remotely). The maintenance personnel then send a paging message containing remote maintenance instructions to the device's maintenance SIM card via a mobile app. When the maintenance module, which is in sleep mode, reaches the DRX cycle and detects the paging message containing remote maintenance instructions, it parses the message. If a remote maintenance instruction is confirmed, the device is woken up, and the main control module is powered on. Simultaneously, the service module reconnects to the service SIM card, and the maintenance module connects to the maintenance SIM card. At this point, both the service module and the maintenance module initiate wireless network dialing simultaneously, transmitting data independently.

[0092] In this embodiment, maintenance personnel can perform remote maintenance using the maintenance module and the second cellular network of the maintenance SIM card. This process does not affect services such as keep-alive and data transmission between the device and the service platform.

[0093] In some embodiments, the remote operation and maintenance method based on dual-mode dual-SIM cards further includes the following steps:

[0094] If the remaining battery power does not exceed the preset battery power threshold, a periodic switching strategy will be used to control the connection of the maintenance SIM card and the service SIM card to the maintenance module.

[0095] Specifically, when the remaining battery level is less than or equal to a preset battery threshold (50%), it is assumed that neither of the two cellular modules supports dual SIM dual standby and the remaining battery level is less than 50%. In this case, the timeliness of the maintenance wake-up function needs to be sacrificed, and a periodic switching strategy is used to control the connection between the maintenance SIM card and the service SIM card to the maintenance module. The specific process is as follows:

[0096] The main control module generates a handover control signal; this signal is transmitted to the handover circuit; under this signal, the handover circuit controls the service SIM card and the maintenance SIM card to connect to the maintenance module, and the service module is powered down; the maintenance module performs periodic heartbeat keep-alive with the maintenance platform based on the first cellular network established by the service SIM card. Since the maintenance module does not support dual SIM dual standby, it cannot simultaneously register to the second network to monitor for incoming SMS messages on the maintenance SIM card while sending and receiving heartbeat keep-alive data with the maintenance platform. Therefore, it needs to disconnect the first network connection of the service SIM card at a preset period T2, and then register and monitor for incoming SMS messages based on the second network of the maintenance SIM card; if an SMS message arrives, it quickly switches to the service SIM card and re-establishes the network connection.

[0097] To ensure that the business side is online, the heartbeat keep-alive between the device and the operation and maintenance platform needs to be based on a short connection. Each heartbeat keep-alive data needs to include the device ID information. The operation and maintenance platform uses the device ID information in the heartbeat keep-alive data to confirm whether the corresponding device is online.

[0098] This embodiment enables remote operation and maintenance, reduces communication barriers between devices and business platforms, and minimizes device power consumption.

[0099] The present embodiment will now be described and illustrated through preferred embodiments.

[0100] Figure 5 This is a flowchart of a remote operation and maintenance method based on dual-mode dual-SIM according to a preferred embodiment. The method includes the following steps:

[0101] When the low-power device is in the default setting, under the switching control signal of the main control module, the control switching circuit connects the service SIM card to the service module and the maintenance SIM card to the maintenance module.

[0102] The maintenance module enters a dormant state, and the device registers with the first cellular network and makes wireless network calls based on the service module and the service SIM card.

[0103] When a low-power device enters a low-power state, determine whether the operation and maintenance module supports dual SIM dual standby.

[0104] If the maintenance module supports dual SIM dual standby, under the switching control signal from the main control module, the control switching circuit connects the service SIM card and the maintenance SIM card to the maintenance module; dialing is initiated based on the maintenance module and the service SIM card as the main link, while the maintenance SIM card only registers the network to receive remote SMS commands. Periodic heartbeats are performed between the service SIM card and the maintenance SIM card and the maintenance platform to keep them alive; the main control module and the service module are then powered down.

[0105] When the maintenance module in dormant state reaches the DRX cycle and listens for a paging message with a remote maintenance command, it parses the paging message. If a remote maintenance command is confirmed, it powers on the main control module and the service module. At the same time, the service module reconnects to the service SIM card, and the maintenance module connects to the maintenance SIM card. At this time, the service module and the maintenance module initiate wireless network dialing simultaneously and transmit data independently.

[0106] If the operation and maintenance module does not support dual SIM dual standby, then determine whether the service module supports dual SIM dual standby.

[0107] If the service module supports dual SIM dual standby, under the switching control signal of the main control module, the control switching circuit connects the service SIM card and the maintenance SIM card to the service module; the service module and the service SIM card initiate dialing as the main link, while the maintenance SIM card only registers the network to receive remote SMS commands; the service SIM card and the maintenance SIM card perform periodic heartbeat keep-alive with the maintenance platform; and the main control module and the maintenance module are powered down.

[0108] When a dormant service module reaches the DRX cycle and detects a paging message with a remote maintenance instruction, it parses the paging message. If a remote maintenance instruction is confirmed, it powers on both the main control module and the maintenance module. Simultaneously, the service module reconnects to the service SIM card, and the maintenance module connects to the maintenance SIM card. At this point, both the service module and the maintenance module initiate wireless network dialing simultaneously, transmitting data independently.

[0109] If the service module does not support dual SIM dual standby, then determine whether the remaining battery power is greater than the preset battery power threshold.

[0110] If the remaining battery power exceeds a preset threshold, the system controls the business SIM card to connect to the business module and the maintenance SIM card to connect to the maintenance module. At this time, periodic heartbeats are performed between the business SIM card and the business platform to keep the device alive. After time t1, if the app receives a notification of a device keep-alive error or other maintenance requests, maintenance personnel send a remote maintenance SMS message. The maintenance module only registers with the network and does not initiate dialing; it listens for remote SMS messages via the default DRX. A maintenance SMS message is sent to the designated device to wake it up and notify it to actively log in to the maintenance platform.

[0111] If the remaining battery power does not exceed the preset battery power threshold, a periodic switching strategy is used to control the connection of the maintenance SIM card and the service SIM card to the maintenance module. Specifically: the service SIM card and the maintenance SIM card are connected to the maintenance module, and the service module is powered off; the maintenance module performs periodic heartbeat keep-alive with the maintenance platform based on the first cellular network established by the service SIM card. Since the maintenance module does not support dual SIM dual standby, it cannot simultaneously register to the second network to listen for incoming SMS messages on the maintenance SIM card when sending and receiving heartbeat keep-alive data with the maintenance platform. Therefore, it needs to disconnect the first network connection of the service SIM card at a preset period T2, and then register and listen for incoming SMS messages based on the second network of the maintenance SIM card; if an SMS message is detected, it quickly switches to the service SIM card and re-initiates the network connection. To ensure that the service is online, the heartbeat keep-alive between the device and the maintenance platform needs to be based on a short connection. Each heartbeat keep-alive data needs to include device ID information. The maintenance platform uses the device ID information in the heartbeat keep-alive data to confirm whether the corresponding device is online.

[0112] This preferred embodiment enables SIM connectivity in four modes: single-mode dual-SIM, single-mode single-SIM, and dual-SIM dual-standby, achieving ultra-low power consumption and seamless operation and maintenance for devices in different scenarios. It also provides intelligent switching solutions for different SIM connections. The first option is to use the maintenance module and dual-SIM dual-standby mode for ultra-low power operation and platform keep-alive, while seamlessly monitoring maintenance SMS messages. The second option is to use the service module and dual-SIM dual-standby mode for ultra-low power operation, while seamlessly monitoring maintenance SMS messages. The third option is single-mode single-SIM, where, when power is sufficient, the service module and service SIM card operate in parallel with the maintenance module and maintenance SIM card for low-power operation. The fourth option is for situations where power is insufficient and neither supports dual-SIM dual-standby, achieving ultra-low power operation based on the maintenance module, dual SIM cards, and the platform's short-connection keep-alive protocol. A periodic switching strategy ensures that maintenance commands are not lost under low power conditions.

[0113] It should be noted that the steps shown in the above process or in the flowchart of the accompanying figures can be executed in a computer system such as a set of computer-executable instructions, and although a logical order is shown in the flowchart, in some cases the steps shown or described may be executed in a different order than that shown here.

[0114] This embodiment also provides a remote operation and maintenance device based on dual-mode dual-SIM cards. This device is used to implement the above embodiments and preferred embodiments, and details already described will not be repeated. The terms "module," "unit," "subunit," etc., used below refer to combinations of software and / or hardware that implement a predetermined function. Although the device described in the following embodiments is preferably implemented in software, hardware implementation, or a combination of software and hardware, is also possible and contemplated.

[0115] Figure 6This is a structural block diagram of the remote operation and maintenance device based on dual-mode dual-SIM in this embodiment, as shown below. Figure 6 As shown, the device includes: a first judgment module 210, a processing module 220, and a power-off module 230;

[0116] The first judgment module 210 is used to determine whether the operation and maintenance module supports dual SIM dual standby when the low power device enters the low power state.

[0117] The processing module 220 is used to control the switching circuit to connect the service SIM card and the maintenance SIM card to the maintenance module under the switching control signal of the main control module if the maintenance module supports dual SIM dual standby; and to perform periodic heartbeat keep-alive with the maintenance platform through the service SIM card and the maintenance SIM card.

[0118] The power-down module 230 is used to power down the main control module and the service module.

[0119] The above-mentioned device solves the problems of low operation and maintenance efficiency and high operation and maintenance cost in related technologies. It uses a switching circuit to connect the service SIM card and the operation and maintenance SIM card to the operation and maintenance module to achieve periodic heartbeat keep-alive. In conjunction with the power-down main control module and the service module, it achieves ultra-low power consumption and seamless monitoring, thereby improving operation and maintenance efficiency and realizing seamless operation and maintenance.

[0120] In some embodiments, the remote operation and maintenance device based on dual-mode dual-SIM cards also includes an initialization module;

[0121] The initialization module is used to control the switching circuit to connect the service SIM card to the service module and the maintenance SIM card to the maintenance module when the low-power device is in the default setting and under the switching control signal of the main control module.

[0122] In some embodiments, the remote operation and maintenance device based on dual-mode dual-SIM cards also includes a second judgment module;

[0123] The second judgment module is used to determine whether the service module supports dual SIM dual standby if the operation and maintenance module does not support dual SIM dual standby.

[0124] If the service module supports dual SIM dual standby, then under the switching control signal of the main control module, the control switching circuit connects the service SIM card and the maintenance SIM card to the service module; and periodically keeps the service SIM card and the maintenance SIM card from being lost in the maintenance platform.

[0125] Power off the main control module and the operation and maintenance module.

[0126] In some of these embodiments, the first judgment module 210 or the second judgment module is further configured to periodically send heartbeat keep-alive data to the operation and maintenance platform through the first cellular network registered via the service SIM card, and to confirm whether the second cellular network has a paging message for remote operation and maintenance instructions during the sending interval.

[0127] After sending, it enters a sleep state; at this time, the maintenance SIM card does not dial for the wireless network.

[0128] In some embodiments, the remote operation and maintenance device based on dual-mode dual-SIM also includes a monitoring module;

[0129] The monitoring module is used to power on the device when it reaches the DRX cycle in the sleep state and hears a paging message with a remote operation and maintenance instruction. At the same time, it enables the service module to reconnect to the service SIM card and the operation and maintenance module to connect to the operation and maintenance SIM card.

[0130] The control service module and the operation and maintenance module can simultaneously initiate wireless network dialing to conduct independent data transmission.

[0131] In some embodiments, the remote operation and maintenance device based on dual-mode dual-SIM cards also includes a third judgment module;

[0132] The third judgment module is used to determine whether the remaining power exceeds the preset power threshold if the service module does not support dual SIM dual standby.

[0133] If the remaining battery power exceeds the preset battery power threshold, the system controls the service SIM card to connect to the service module and the maintenance SIM card to connect to the maintenance module. At this time, the system performs periodic heartbeats with the service platform to keep the system alive.

[0134] In some of these embodiments, the remote operation and maintenance device based on dual-mode dual-SIM cards also includes a switching control module;

[0135] The switching control module is used to control the connection of the maintenance SIM card and the service SIM card to the maintenance module through a periodic switching strategy if the remaining power does not exceed the preset power threshold.

[0136] It should be noted that the above modules can be functional modules or program modules, and can be implemented through software or hardware. For modules implemented through hardware, the above modules can reside in the same processor; or the above modules can be located in different processors in any combination.

[0137] This embodiment also provides a computer device, including a memory and a processor, wherein the memory stores a computer program and the processor is configured to run the computer program to perform the steps in any of the above method embodiments.

[0138] Optionally, the computer device may further include a transmission device and an input / output device, wherein the transmission device is connected to the processor and the input / output device is connected to the processor.

[0139] Optionally, in this embodiment, the processor can be configured to perform the following steps via a computer program:

[0140] S1 is used to determine whether the operation and maintenance module supports dual SIM dual standby when a low-power device enters a low-power state.

[0141] S2, if the operation and maintenance module supports dual SIM dual standby, then under the switching control signal of the main control module, the control switching circuit connects the service SIM card and the operation and maintenance SIM card to the operation and maintenance module; and periodically keeps the operation and maintenance platform alive through the service SIM card and the operation and maintenance SIM card;

[0142] S3 powers down the main control module and the business module.

[0143] It should be noted that the specific examples in this embodiment can refer to the examples described in the above embodiments and optional implementations, and will not be repeated in this embodiment.

[0144] Furthermore, in conjunction with the remote operation and maintenance method based on dual-mode dual-SIM cards provided in the above embodiments, this embodiment can also provide a storage medium for implementation. This storage medium stores a computer program; when executed by a processor, the computer program implements any of the remote operation and maintenance methods based on dual-mode dual-SIM cards described in the above embodiments.

[0145] It should be noted that all information and data involved in this application are authorized by the user or fully authorized by all parties and will be used legally.

[0146] It should be understood that the specific embodiments described herein are merely illustrative of the application and not intended to limit it. All other embodiments derived by those skilled in the art based on the embodiments provided in this application without inventive effort are within the scope of protection of this application.

[0147] Obviously, the accompanying drawings are merely some examples or embodiments of this application. Those skilled in the art can apply this application to other similar situations based on these drawings without any creative effort. Furthermore, it is understood that although the work done in this development process may be complex and lengthy, for those skilled in the art, certain design, manufacturing, or production modifications made based on the technical content disclosed in this application are merely conventional technical means and should not be considered as insufficient disclosure of this application.

[0148] The term "embodiment" in this application refers to a specific feature, structure, or characteristic described in connection with an embodiment that may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily imply the same embodiment, nor does it imply that it is mutually exclusive with or independent of other embodiments. It will be clearly or implicitly understood by those skilled in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0149] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of patent protection. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the appended claims.

Claims

1. A remote operation and maintenance method based on dual-mode dual-SIM, characterized in that, This is applicable to low-power devices, which include a main control module, two sets of cellular modules, a switching circuit, and two SIM cards; the main control module is connected to the switching circuit through each set of cellular modules; the two sets of cellular modules are a service module and an operation and maintenance module, respectively. The two SIM cards are a service SIM card and an operation and maintenance SIM card, respectively. The service SIM card is registered to the first cellular network and makes wireless network dialing; The maintenance SIM card is registered to the second cellular network but does not make wireless network calls; the method includes: When the low-power device enters a low-power state, determine whether the operation and maintenance module supports dual SIM dual standby; If the maintenance module supports dual SIM dual standby, then under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card and the maintenance SIM card to the maintenance module; and periodic heartbeat keep-alive is performed with the maintenance platform through the service SIM card and the maintenance SIM card; Power off the main control module and the service module.

2. The remote operation and maintenance method based on dual-mode dual-SIM according to claim 1, characterized in that, The method further includes: When the low-power device is in the default setting, under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card to the service module and the maintenance SIM card to the maintenance module.

3. The remote operation and maintenance method based on dual-mode dual-SIM according to claim 1, characterized in that, The method further includes: If the operation and maintenance module does not support dual SIM dual standby, then determine whether the service module supports dual SIM dual standby. If the service module supports dual SIM dual standby, then under the switching control signal of the main control module, the switching circuit is controlled to connect the service SIM card and the maintenance SIM card to the service module; and periodic heartbeat keep-alive is performed with the maintenance platform through the service SIM card and the maintenance SIM card; Power off the main control module and the operation and maintenance module.

4. The remote operation and maintenance method based on dual-mode dual-SIM according to any one of claims 1 or 3, characterized in that, Periodic heartbeat keep-alive communication with the operation and maintenance platform is achieved through the service SIM card and the operation and maintenance SIM card, including: The first cellular network registered through the service SIM card periodically sends heartbeat keep-alive data to the operation and maintenance platform, and checks between sending intervals whether the second cellular network has paging messages for remote operation and maintenance instructions; After sending, it enters a sleep state; at this time, the maintenance SIM card does not dial for the wireless network.

5. The remote operation and maintenance method based on dual-mode dual-SIM according to claim 4, characterized in that, The method further includes: When the DRX cycle is reached in the sleep state and a paging message with a remote operation and maintenance instruction is detected, a power-on operation is performed, and at the same time, the service module is reconnected to the service SIM card, and the operation and maintenance module is connected to the operation and maintenance SIM card. The service module and the operation and maintenance module are controlled to simultaneously initiate wireless network dialing for independent data transmission.

6. The remote operation and maintenance method based on dual-mode dual-SIM according to claim 3, characterized in that, The method further includes: If the service module does not support dual SIM dual standby, then determine whether the remaining battery power exceeds the preset battery power threshold; If the remaining battery power exceeds a preset battery power threshold, the service SIM card is connected to the service module, and the maintenance SIM card is connected to the maintenance module. At this time, the service SIM card performs periodic heartbeats with the service platform to keep it alive.

7. The remote operation and maintenance method based on dual-mode dual-SIM according to claim 6, characterized in that, The method further includes: If the remaining battery power does not exceed the preset battery power threshold, a periodic switching strategy is used to control the connection of the maintenance SIM card and the service SIM card to the maintenance module.

8. A remote operation and maintenance device based on dual-mode dual-SIM, characterized in that, This is applicable to low-power devices, which include a main control module, two sets of cellular modules, a switching circuit, and two SIM cards; the main control module is connected to the switching circuit through each set of cellular modules; the two sets of cellular modules are a service module and an operation and maintenance module, respectively. The two SIM cards are a service SIM card and an operation and maintenance SIM card, respectively. The service SIM card is registered to the first cellular network and makes wireless network dialing; The maintenance SIM card is registered to the second cellular network but does not make wireless network calls; the device includes: a first judgment module, a processing module, and a power-off module; The first judgment module is used to determine whether the operation and maintenance module supports dual SIM dual standby when the low power device enters a low power state; The processing module is configured to, if the operation and maintenance module supports dual SIM dual standby, control the switching circuit to connect the service SIM card and the operation and maintenance SIM card to the operation and maintenance module under the switching control signal of the main control module; and perform periodic heartbeat keep-alive with the operation and maintenance platform through the service SIM card and the operation and maintenance SIM card. The power-down module is used to power down the main control module and the service module.

9. A computer device, comprising a memory and a processor, characterized in that, The memory stores a computer program, and the processor is configured to run the computer program to perform the steps of the remote operation and maintenance method based on dual-mode dual-card as described in any one of claims 1 to 7.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the steps of the remote operation and maintenance method based on dual-mode dual-card as described in any one of claims 1 to 7.