Network automatic recovery method and vehicle-mounted remote communication terminal

Abstract

The invention provides a network automatic recovery method and a vehicle-mounted remote communication terminal. The network automatic recovery method comprises the following steps: monitoring whether the network operation state of the vehicle-mounted remote communication terminal is in a fault network state or not in real time; if the network operation state is in a fault network state, acquiring a fault type of the fault network state according to network data of the vehicle-mounted remote communication terminal; wherein the fault type comprises one or more of a data resident network fault, a resident network 2G / 3G fault and an access point fault; determining a network automatic recovery strategy according to the fault type; executing an automatic network recovery strategy to recover the vehicle-mounted remote communication terminal from the fault network state to the normal network state; the problem that the safety of the vehicle in the driving process is affected due to the fact that the solution provided in the prior art only aims at the problem of abnormal network connection but cannot solve the problem that the connection is not abnormal but the network is actually in the disconnected state is solved.

Description

Technical Field

[0001] The present application relates to the technical field of automotive electronics, and in particular to a network automatic recovery method and a vehicle-mounted remote communication terminal. Background Art

[0002] With the development of new energy vehicles, the national standard requires that new energy vehicles be equipped with on-board remote communication terminals. The on-board remote communication terminal is the core controller of vehicle informatization, which is used to collect vehicle bus signals in real time, and connect to the backend of the automotive remote service provider through 4G or 5G to realize functions such as vehicle condition upload, vehicle fault reporting, remote diagnosis, vehicle alarm, and remote control. Users can remotely control the vehicle and remotely diagnose the vehicle health status through the mobile phone APP, and realize remote control and diagnosis of the vehicle.

[0003] The vehicle-mounted remote communication terminal has complex functions, including a wireless cellular communication module that provides data transmission functions for downstream products. The wireless cellular communication module is mainly located in the network layer of the Internet of Things industry chain, and intersects with the perception layer. Among them, the wireless cellular communication module mainly relies on the vehicle's built-in communication module to transmit data with an external base station. When the vehicle travels to an area with weak or no signal, it will encounter network disconnection problems. Relevant solutions have also been adopted in the existing technology to solve the problem of network disconnection.

[0004] However, there is at least one of the following problems in the related technology: the existing solution targets the problem of abnormal network connection, but cannot solve the problem that there is no abnormality in the connection itself, but the network is actually disconnected, thereby affecting the safety of the vehicle during driving. Summary of the invention

[0005] The technical problem solved by the present application is that the existing solution targets the problem of abnormal network connection, but cannot solve the problem that there is no abnormality in the connection itself, but the network is actually disconnected, thus affecting the safety of the vehicle during driving.

[0006] To solve the above-mentioned technical problems, on the one hand, the present application provides a network automatic recovery method, which is applied to a vehicle-mounted remote communication terminal, and the network automatic recovery method includes: real-time monitoring of whether the network operation status of the vehicle-mounted remote communication terminal is in a faulty network state; in response to monitoring that the network operation status is in a faulty network state, obtaining the fault type of the faulty network state according to the network data of the vehicle-mounted remote communication terminal, the fault type including one or more of data on-network failure, on-network 2G / 3G failure, and access point failure; determining a network automatic recovery strategy according to the fault type; and executing the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to a normal network state.

[0007] Compared with the existing technology, the technical effect achieved by adopting this technical solution is: this solution improves the network recovery efficiency of the vehicle-mounted remote communication terminal, thereby improving the safety of the vehicle during driving.

[0008] Specifically, the solutions provided in the prior art solve the problem of abnormal network connection, but cannot solve the problem that there is no abnormality in the connection itself, but the network is actually disconnected, thereby affecting the safety of the vehicle during driving.

[0009] When the network status of the on-board remote communication terminal is in a faulty network status, this solution obtains the fault type of the faulty network status according to the network data of the on-board remote communication terminal, and controls the on-board remote communication terminal to determine the network automatic recovery strategy according to the fault type. It can perform network recovery for one or more fault types of data on-network failure, on-network 2G / 3G failure, and access point failure, thereby improving the accuracy of network recovery of the on-board remote communication terminal, thereby improving the network recovery efficiency of the on-board remote communication terminal, and further improving the safety of the vehicle during the driving process.

[0010] In an example of the present application, the network automatic recovery strategy includes a first network recovery strategy and a second network recovery strategy. The network automatic recovery strategy is determined according to the fault type, including: If the fault type includes a data network fault or a 2G / 3G network fault, determining whether the vehicle equipped with the vehicle-mounted remote communication terminal is in a dormant state; if the vehicle is not in a dormant state, determining that the network automatic recovery strategy is the first network recovery strategy; If the fault type does not include a data on-network fault and does not include a 2G / 3G on-network fault, the network automatic recovery strategy is determined to be the second network recovery strategy.

[0011] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: this solution determines the first network recovery strategy and the second network recovery strategy according to the fault type, and restores the faulty network state to the normal network state, thereby further improving the accuracy of network recovery of the vehicle-mounted remote communication terminal.

[0012] In one example of the present application, when the network automatic recovery strategy is the first network recovery strategy, executing the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state includes: determining whether the first recovery action has been completed, the first recovery action includes setting at least one of a preferred network recovery strategy, a flight mode recovery strategy, and a radio frequency recovery strategy, and setting the preferred network recovery strategy includes setting the preferred network of the vehicle-mounted remote communication terminal to a first communication network, and the first communication network includes one or all of a 4G network and a 5G network; If the first recovery action has not been completed, executing the first recovery action to restore the vehicle-mounted remote communication terminal from the faulty network state to the normal network state; If the first recovery action is completed, the vehicle-mounted remote communication terminal is restored from the faulty network state to the normal network state according to the on-off state of the network fault hard restart switch.

[0013] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: this solution gives priority to 4G or 5G network when it monitors that the network operation status is in a faulty network state, thereby ensuring that the on-board remote communication terminal can obtain better communication quality when restoring the network connection and improving the stability of communication; further, when a network failure is detected, the on-board remote communication terminal can quickly adopt a preset network automatic recovery strategy, reducing the communication interruption time caused by the network automatic recovery strategy due to network problems.

[0014] In one example of the present application, the vehicle-mounted remote communication terminal is restored from a faulty network state to a normal network state according to the on / off state of a network fault hard restart switch, including: if the network fault hard restart switch is on, notifying a power control module to restart a cellular network module, so as to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state; If the network failure hard restart switch is turned off, determine whether the vehicle is equipped with a sleep restart function; if the vehicle is equipped with a sleep restart function, notify the power control module to restart the cellular network module before the vehicle enters the sleep state, so as to restore the on-board remote communication terminal from the faulty network state to the normal network state.

[0015] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: this solution reduces the number of unnecessary restarts of the cellular network module by restarting the cellular network module only after the first recovery action is completed but the faulty network state has not yet recovered to the normal network state, thereby extending the service life of the cellular network module.

[0016] In one example of the present application, when the network automatic recovery strategy is the second network recovery strategy, executing the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state includes: determining whether the fault type is an access point fault; If the fault type is an access point fault, determining whether the number of access point re-dialing performed by the vehicle-mounted remote communication terminal reaches a preset access point dialing retry threshold; if the number of access point re-dialing does not reach the preset access point dialing retry threshold, turning off a switch corresponding to the access point, and turning on the switch corresponding to the access point after a first time period; if the number of access point re-dialing reaches the preset access point dialing retry threshold, controlling the vehicle-mounted remote communication terminal to run a first network recovery strategy to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state; If the fault type is not an access point fault, determine whether the vehicle-mounted remote communication terminal is executing the first network recovery strategy; if the vehicle-mounted remote communication terminal is executing the first network recovery strategy, control the vehicle-mounted remote communication terminal to stop executing the first network recovery strategy.

[0017] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: this solution improves the accuracy of the vehicle-mounted remote communication terminal in handling faults by judging whether the fault type is an access point fault and controlling the vehicle-mounted remote communication terminal to execute the corresponding network automatic recovery strategy for the specific network fault type.

[0018] Furthermore, this solution avoids frequent and ineffective dial-up attempts and reduces the waste of network resources by presetting the access point dial-up retry threshold.

[0019] In one example of the present application, setting the preferred network recovery strategy includes: determining whether the vehicle-mounted remote communication terminal turns on the 5G network; if the vehicle-mounted remote communication terminal turns on the 5G network, setting the preferred network to the 4G network, and setting the next recovery action to set the preferred network to the 5G network; if the vehicle-mounted remote communication terminal does not turn on the 5G network, exiting the current recovery action; wherein, when the vehicle-mounted remote communication terminal exits the current recovery action, setting the next recovery action to set the flight mode recovery strategy; Setting the flight mode recovery strategy includes: determining whether the flight mode is turned on by the vehicle-mounted remote communication terminal; if the flight mode is not turned on, turning on the flight mode and turning off the flight mode after a second time period; if the flight mode is turned on, turning off the flight mode; Setting the radio frequency recovery strategy includes: determining whether the radio frequency of the vehicle-mounted remote communication terminal is turned off; if the radio frequency is not turned off, turning off the radio frequency and turning on the radio frequency after a third time period; if the radio frequency is turned off, turning on the radio frequency.

[0020] Compared with the prior art, the technical effect achieved by adopting this technical solution is: the accuracy of fault processing by the vehicle-mounted remote communication terminal is further improved.

[0021] In one example of the present application, executing the second network automatic recovery strategy to restore the faulty network state to a normal network state also includes: When the vehicle-mounted remote communication terminal sets the preferred network as the 5G network, obtain a first setting number of times for setting the preferred network recovery strategy, and define the first setting number as Cnt1; Set the maximum number of times that the preferred network recovery strategy is allowed to be executed to Cnt max1 ; Among them, if Cnt1 ≥ Cnt max1, then set the next recovery action to turn on the flight mode, and turn off the flight mode after the second time period; if Cnt1 <Cnt max1 , then set the next recovery action to execute the set preferred network recovery strategy; and / or When the vehicle-mounted remote communication terminal turns off the flight mode, a second set number of times for setting the flight mode recovery strategy is obtained, and the first set number of times is defined as Cnt2; Set the maximum number of times allowed to execute the set flight mode recovery strategy to Cnt max2 ; Among them, if Cnt2 ≥ Cnt max2 , then set the next recovery action to turn off the radio frequency and turn on the radio frequency after the third time period; if Cnt2 <Cnt max2 , then set the next recovery action to turn on the flight mode, and turn off the flight mode after the second time period; and / or When the vehicle-mounted remote communication terminal turns on the radio frequency, a third set number of times for setting the radio frequency recovery strategy is obtained, and the third set number of times is defined as Cnt3; Set the maximum number of times allowed to execute the set RF recovery strategy to Cnt max3 ; Among them, if Cnt3 ≥ Cnt max3 , then set the next recovery action to restore the faulty network state to the normal network state according to the on / off state of the network fault hard restart switch; if Cnt3 <Cnt max3 , the next recovery action is set to turn off the radio frequency and turn on the radio frequency after the third time period.

[0022] Compared with the prior art, the technical effect achieved by adopting this technical solution is: the accuracy of fault processing by the vehicle-mounted remote communication terminal is further improved.

[0023] In one example of the present application, the fault type of the fault network status is obtained according to the network data of the vehicle-mounted remote communication terminal, including: in the monitoring cycle of monitoring the network operation status, judging whether the vehicle-mounted remote communication terminal has completed data network stationing; if the data network stationing is not completed, executing the first judgment strategy; if the data network stationing is completed, judging whether the network connection status of the vehicle-mounted remote communication terminal is in the 2G / 3G state; if the network connection status is not in the 2G / 3G state, executing the second judgment strategy; if the network connection status is in the 2G / 3G state, executing the third judgment strategy; wherein the vehicle-mounted remote communication terminal executes the first judgment strategy, the second judgment strategy or the third judgment strategy to obtain the fault type.

[0024] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: this solution distinguishes different fault types, so that the vehicle-mounted remote communication terminal can perform more refined fault diagnosis when it is in a faulty network state, thereby helping the vehicle-mounted remote communication terminal to accurately take measures to restore network connection, thereby improving the accuracy of fault judgment results.

[0025] In one example of the present application, executing the first judgment strategy includes: judging whether the vehicle-mounted remote communication terminal is in flight mode; if the vehicle-mounted remote communication terminal is not in flight mode, judging whether the vehicle-mounted remote communication terminal is in a call-making state; if the vehicle-mounted remote communication terminal is not in a call-making state, judging whether the vehicle is in a dormant state; if the vehicle is not in a dormant state, judging whether the number of network disconnections and the monitoring period of the vehicle-mounted remote communication terminal satisfy the following formula: Formula 1: ; If it is satisfied, the fault type is determined to be a data network fault; where C1 is the number of network disconnections, T is the monitoring period, and B1 is the network abnormality threshold.

[0026] Compared with the prior art, the technical effect achieved by adopting this technical solution is: the accuracy of the fault judgment result is further improved.

[0027] In one example of the present application, executing the second judgment strategy includes: judging whether the access point connection is successful; if the access point connection fails, judging whether the access point is in a closed state; if the access point is not in a closed state, judging whether the number of times the access point is disconnected and the monitoring period satisfy the following formula: Formula 2: ; If it is satisfied, the fault type is determined to be an access point fault; wherein C2 is the number of times the access point is disconnected, T is the monitoring period, and B2 is the access point abnormality threshold.

[0028] Compared with the prior art, the technical effect achieved by adopting this technical solution is: the accuracy of the fault judgment result is further improved.

[0029] In one example of the present application, the vehicle-mounted remote communication terminal is controlled to execute the third judgment strategy, including: judging whether it is necessary to run the network automatic recovery strategy when the network connection state is in the 2G / 3G state; if it is necessary to run the network automatic recovery strategy, judging whether the number of times the vehicle-mounted remote communication terminal is stationed in the 2G / 3G network and the monitoring period satisfy the following formula: Formula 3: ; If it is satisfied, the fault type is determined to be a 2G / 3G network failure; wherein, C3 is the number of times the vehicle-mounted remote communication terminal is networked on 2G / 3G, T is the monitoring period, and B3 is the network connection abnormality threshold.

[0030] Compared with the existing technology, the technical effect achieved by adopting this technical solution is as follows: when the network connection status is in the 2G / 3G state, this solution determines whether the vehicle-mounted remote communication terminal needs to run the network automatic recovery strategy according to the user's usage needs, so as to avoid slow data transmission speed in the 2G / 3G network state. By timely recovering to the 4G / 5G network state, communication delays can be reduced and real-time performance can be improved.

[0031] Furthermore, users can enjoy smoother communication services under 4G / 5G network conditions, such as faster web page loading speeds and more stable video calls, thereby enhancing the user experience.

[0032] On the other hand, the present application also provides a vehicle-mounted remote communication terminal, which includes: a monitoring module for monitoring the network operation status of the vehicle-mounted remote communication terminal in real time; an acquisition module for acquiring the fault type of the faulty network status according to the network data of the vehicle-mounted remote communication terminal when it is monitored that the network operation status is in a faulty network state, and the fault type includes one or more of data on-network failure, on-network 2G / 3G failure, and access point failure; a decision module for determining a network automatic recovery strategy according to the fault type; and an execution module for running the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to a normal network state.

[0033] Compared with the prior art, the technical effect achieved by adopting this technical solution is as follows: Since the network automatic recovery system in this solution includes the network automatic recovery strategy in any of the above technical solutions, this solution has all the beneficial effects in any of the above technical solutions, which will not be repeated here.

[0034] After adopting the technical solution of this application, the following technical effects can be achieved: The present application provides a network automatic recovery method and a vehicle-mounted remote communication terminal. When the network operation state of the vehicle-mounted remote communication terminal is in a faulty network state, the fault type of the faulty network state is obtained according to the network data of the vehicle-mounted remote communication terminal, and the vehicle-mounted remote communication terminal is controlled to determine the network automatic recovery strategy according to the fault type. The method can perform network recovery for one or more fault types of data on-network failure, on-network 2G / 3G failure, and access point failure, thereby improving the accuracy of network recovery of the vehicle-mounted remote communication terminal, thereby improving the network recovery efficiency of the vehicle-mounted remote communication terminal, and further improving the safety of the vehicle during driving. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings to be used in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work. Figure 1 A program diagram of a network automatic recovery method provided in an embodiment of the present application; Figure 2 A schematic diagram of a process flow when a vehicle-mounted remote communication terminal according to an embodiment of the present application executes obtaining a fault type of a fault network state according to network data of the vehicle-mounted remote communication terminal; Figure 3 A schematic diagram of a process flow when a vehicle-mounted remote communication terminal implements a network automatic recovery strategy provided by an embodiment of the present application; Figure 4 A module schematic diagram of a vehicle-mounted remote communication terminal provided in an embodiment of the present application.

[0036] Description of reference numerals: 100, monitoring module; 200, acquisition module; 300, control module; 400, execution module. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0038] In order to solve the above technical problems, on the one hand, Figure 1 As shown, the present application provides a network automatic recovery method, which is applied to a vehicle-mounted remote communication terminal. The network automatic recovery method includes: Real-time monitoring of the network operation status of the vehicle-mounted remote communication terminal to see if it is in a faulty network state; In response to monitoring that the network operation state is in a faulty network state, obtaining a fault type of the faulty network state according to network data of the vehicle-mounted remote communication terminal, the fault type including one or more of a data on-network fault, a 2G / 3G on-network fault, and an access point fault; Determine the network automatic recovery strategy based on the fault type; Execute the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state.

[0039] Further, such as Figure 3 As shown, the network automatic recovery strategy includes a first network recovery strategy and a second network recovery strategy. The network automatic recovery strategy is determined according to the fault type, including: If the fault type includes a data network fault and does not include a 2G / 3G network fault, determining whether the vehicle on which the vehicle-mounted remote communication terminal is installed is in a dormant state; if the vehicle is not in a dormant state, determining that the network automatic recovery strategy is the first network recovery strategy; If the fault type does not include a data on-network fault or a 2G / 3G on-network fault, the network automatic recovery strategy is determined to be the second network recovery strategy.

[0040] Further, when the network automatic recovery strategy is the first network recovery strategy, executing the first network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state includes: Determine whether the first recovery action is completed, the first recovery action includes setting at least one of the preferred network recovery strategy, setting the flight mode recovery strategy, and setting the radio frequency recovery strategy, such as Figure 3 As shown in OPER(0)-OPER(5), setting the preferred network recovery strategy includes setting the preferred network of the vehicle-mounted remote communication terminal to be the first communication network, and the first communication network includes one or all of the 4G network and the 5G network; If the first recovery action has not been completed, executing the first recovery action to restore the vehicle-mounted remote communication terminal from the faulty network state to the normal network state; If the first recovery action is completed, the vehicle-mounted remote communication terminal is restored from the faulty network state to the normal network state according to the on-off state of the network fault hard restart switch.

[0041] Further, such as Figure 3 As shown, the vehicle-mounted remote communication terminal is restored from a faulty network state to a normal network state according to the on / off state of the network fault hard restart switch, including: if the network fault hard restart switch is turned on, the power control module is notified to restart the cellular network module to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state; if the network fault hard restart switch is turned off, it is determined whether the vehicle is configured with a sleep restart function; if the vehicle is configured with a sleep restart function, the power control module is notified to restart the cellular network module before the vehicle enters a sleep state to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state.

[0042] Further, such as Figure 3 As shown, when the network automatic recovery strategy is the second network recovery strategy, the second network automatic recovery strategy is executed to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state, including: determining whether the fault type is an access point fault; If the fault type is an access point fault, determining whether the number of access point re-dialing performed by the vehicle-mounted remote communication terminal reaches a preset access point dialing retry threshold; if the number of access point re-dialing does not reach the preset access point dialing retry threshold, turning off a switch corresponding to the access point, and turning on the switch corresponding to the access point after a first time period; if the number of access point re-dialing reaches the preset access point dialing retry threshold, controlling the vehicle-mounted remote communication terminal to run a first network recovery strategy to restore the vehicle-mounted remote communication terminal from a faulty network state to a normal network state; If the fault type is not an access point fault, determine whether the vehicle-mounted remote communication terminal is executing the first network recovery strategy; if the vehicle-mounted remote communication terminal is executing the first network recovery strategy, control the vehicle-mounted remote communication terminal to stop executing the first network recovery strategy, and perform the following recovery actions: (when the vehicle-mounted remote communication terminal turns on the 5G network) set the preferred network to the 5G network or (when the vehicle-mounted remote communication terminal does not turn on the 5G network) set the preferred network to the 4G network, turn off the flight mode, and turn on the radio frequency.

[0043] Further, such as Figure 3 As shown, setting the preferred network recovery strategy includes: determining whether the vehicle-mounted remote communication terminal turns on the 5G network; if the vehicle-mounted remote communication terminal turns on the 5G network, setting the preferred network to the 4G network, and setting the next recovery action to set the preferred network to the 5G network; if the vehicle-mounted remote communication terminal does not turn on the 5G network, exiting the current recovery action; wherein, when the vehicle-mounted remote communication terminal exits the current recovery action, setting the next recovery action to set the flight mode recovery strategy, such as Figure 3 OPER (2) - OPER (3) as shown; Setting the flight mode recovery strategy includes: determining whether the flight mode is turned on by the vehicle-mounted remote communication terminal; if the flight mode is not turned on, turning on the flight mode and turning off the flight mode after a second time period; if the flight mode is turned on, turning off the flight mode; Setting the radio frequency recovery strategy includes: determining whether the radio frequency of the vehicle-mounted remote communication terminal is turned off; if the radio frequency is not turned off, turning off the radio frequency and turning on the radio frequency after a third time period; if the radio frequency is turned off, turning on the radio frequency.

[0044] Further, such as Figure 3 As shown, executing the second network automatic recovery strategy to restore the faulty network state to a normal network state also includes: When the vehicle-mounted remote communication terminal sets the preferred network as the 5G network, obtain a first setting number of times for setting the preferred network recovery strategy, and define the first setting number as Cnt1; Set the maximum number of times that the preferred network recovery strategy is allowed to be executed to Cnt max1 ; Among them, if Cnt1 ≥ Cntmax1 , then set the next recovery action to turn on the flight mode, and turn off the flight mode after the second time period; if Cnt1 <Cnt max1 , then set the next recovery action to execute the set preferred network recovery strategy; and / or When the vehicle-mounted remote communication terminal turns off the flight mode, a second set number of times for setting the flight mode recovery strategy is obtained, and the first set number of times is defined as Cnt2; Set the maximum number of times allowed to execute the set flight mode recovery strategy to Cnt max2 ; Among them, if Cnt2 ≥ Cnt max2 , then set the next recovery action to turn off the radio frequency and turn on the radio frequency after the third time period; if Cnt2 <Cnt max2 , then set the next recovery action to turn on the flight mode, and turn off the flight mode after the second time period; and / or When the vehicle-mounted remote communication terminal turns on the radio frequency, a third set number of times for setting the radio frequency recovery strategy is obtained, and the third set number of times is defined as Cnt3; Set the maximum number of times allowed to execute the set RF recovery strategy to Cnt max3 ; Among them, if Cnt3 ≥ Cnt max3 , then set the next recovery action to restore the faulty network state to the normal network state according to the on / off state of the network fault hard restart switch; if Cnt3 <Cnt max3 , the next recovery action is set to turn off the radio frequency and turn on the radio frequency after the third time period.

[0045] Further, such as Figure 2 As shown, the fault type of the fault network state is obtained according to the network data of the vehicle-mounted remote communication terminal, including: in the monitoring cycle of the network state detection, judging whether the vehicle-mounted remote communication terminal has completed data on the network; if the data on the network has not been completed, executing the first judgment strategy; if the data on the network is completed, judging whether the network connection state of the vehicle-mounted remote communication terminal is in the 2G / 3G state; if the network connection state is not in the 2G / 3G state, executing the second judgment strategy; if the network connection state is in the 2G / 3G state, executing the third judgment strategy; wherein, the vehicle-mounted remote communication terminal executes the first judgment strategy or the second judgment strategy or the third judgment strategy to obtain the fault type; wherein, in order to avoid erroneous judgment of new fault data caused by outdated information as the basis for judgment, when it is detected that the network connection state is not in the 2G / 3G state, the first counter used to record the number of data on-network disconnections is cleared, and the mark of the on-network fault and the mark of the on-network 2G / 3G fault are cleared.

[0046] Further, such as Figure 2 As shown, executing the first judgment strategy includes: judging whether the vehicle-mounted remote communication terminal is in flight mode; if the vehicle-mounted remote communication terminal is not in flight mode, judging whether the vehicle-mounted remote communication terminal is in a call-making state; if the vehicle-mounted remote communication terminal is not in a call-making state, judging whether the vehicle is in a dormant state; if the vehicle is not in a dormant state, judging whether the number of network disconnections and the monitoring period of the vehicle-mounted remote communication terminal satisfy the following formula: Formula 1: ; If it is satisfied, the fault type is determined to be a data network fault; where C1 is the number of network disconnections, T is the monitoring period, and B1 is the network abnormality threshold.

[0047] If not satisfied, the number of network disconnections accumulates to 1; where C1 is the number of network disconnections, T is the monitoring period, B1 is the network abnormality threshold, and the value of T can be any natural number greater than 1, the value of C1 can be any natural number greater than 1, and the value of B1 can be any natural number greater than 1.

[0048] It should be noted that in the formula It represents the product of the number of network disconnection times the monitoring period. The monitoring period mentioned in this application refers to the execution cycle time of the network status detection. For example, if the monitoring period is set to 5 seconds, the network status detection action of the vehicle-mounted remote communication terminal is executed every 5 seconds.

[0049] In one embodiment of the present application, the value of B1 is set to 120 seconds, and the value of T is set to 5 seconds, that is, continuous detection is performed. If a data network disconnection is detected for 24 consecutive times, the fault type is determined to be a data network fault, and the network automatic recovery strategy is run to restore the faulty network state to a normal network state.

[0050] Further, such as Figure 2 As shown, executing the second judgment strategy includes: judging whether the access point connection is successful; if the access point connection fails, judging whether the access point is in a closed state; if the access point is not in a closed state, judging whether the number of access point disconnections and the monitoring period satisfy the following formula: Formula 2: ; If it is satisfied, the fault type is determined to be an access point fault; wherein C2 is the number of times the access point is disconnected, T is the monitoring period, and B2 is the access point abnormality threshold.

[0051] If not satisfied, the number of access point disconnections is accumulated as 1; wherein C2 is the number of access point disconnections, T is the monitoring period, B2 is the access point abnormality threshold, and the value of T can be any natural number greater than 1, the value of C2 can be any natural number greater than 1, and the value of B2 can be any natural number greater than 1.

[0052] It should be noted that in the formula Indicates the product of the number of times the access point is disconnected and the monitoring period.

[0053] In one embodiment of the present application, the value of B2 is set to 50 seconds, and the value of T is set to 5 seconds, that is, if the access point is detected to be in a connection failure state for 10 consecutive times, the fault type is determined to be an access point failure, and the network automatic recovery strategy is run to restore the faulty network state to a normal network state.

[0054] Further, in some embodiments provided in this application, such as Figure 2 As shown, executing the second judgment strategy also includes: if the access point connection is successful, the second counter used to record the number of times the access point is disconnected is cleared, and it is determined whether the domain name system address is correct; if the domain name system address is incorrect, the fault type is determined to be an access point failure; if the domain name system address is correct, the vehicle-mounted remote communication terminal is controlled to perform a connectivity performance test; if the number of times the connectivity performance test fails reaches the set maximum allowed number of times the test fails, the fault type is determined to be an access point failure.

[0055] Furthermore, in order to eliminate the influence of historical fault data and improve the accuracy of new fault data detection, when the fault type is determined to be an access point fault, the second counter for recording the number of times the access point is disconnected is cleared.

[0056] Further, such as Figure 2 As shown, the vehicle-mounted remote communication terminal is controlled to execute the third judgment strategy, including: judging whether it is necessary to run the network automatic recovery strategy when the network connection state is in the 2G / 3G state; if it is necessary to run the network automatic recovery strategy, then judging whether the number of times the vehicle-mounted remote communication terminal is stationed in the 2G / 3G network and the monitoring period satisfy the following formula: Formula 3: ; If it is satisfied, the fault type is determined to be a 2G / 3G network failure; wherein, C3 is the number of times the vehicle-mounted remote communication terminal is networked on 2G / 3G, T is the monitoring period, and B3 is the network connection abnormality threshold.

[0057] If not satisfied, the number of times the vehicle-mounted remote communication terminal stays on the network at 2G / 3G is accumulated as 1; wherein, when the fault type is determined to be a 2G / 3G network fault, the third counter used to record the number of network times is cleared; C3 is the number of times the vehicle-mounted remote communication terminal stays on the network at 2G / 3G, T is the monitoring period, B3 is the network connection abnormality threshold, and the value of T can be any natural number greater than 1, the value of C3 can be any natural number greater than 1, and the value of B3 can be any natural number greater than 1.

[0058] It should be noted that in the formula It represents the product of the number of times the vehicle-mounted remote communication terminal stays on the 2G / 3G network and the monitoring period.

[0059] In one embodiment of the present application, the value of B3 is set to 1200 seconds, and the value of T is set to 10 seconds, that is, if the vehicle-mounted remote communication terminal is detected to be in the 2G / 3G network state for 120 consecutive times, the fault type is determined to be a 2G / 3G network fault, and the network automatic recovery strategy is run to restore the faulty network state to a normal network state.

[0060] On the other hand, Figure 4 As shown, the present application also provides a vehicle-mounted remote communication terminal, which includes: a monitoring module 100, an acquisition module 200, a decision module 300, and an execution module 400. Among them, the monitoring module 100 is used to monitor in real time whether the network operation state of the vehicle-mounted remote communication terminal is in a faulty network state, the acquisition module 200 is used to obtain the fault type of the faulty network state according to the network data of the vehicle-mounted remote communication terminal when the network operation state is detected to be in a faulty network state, and the fault type includes one or more of data on-network fault, on-network 2G / 3G fault, and access point fault, the decision module 300 is used to determine the network automatic recovery strategy according to the fault type, and the execution module 400 is used to run the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to the normal network state.

[0061] Although the present application is disclosed as above, the present application is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application shall be subject to the scope defined by the claims.

Claims

1. A network automatic recovery method, characterized in that: The network automatic recovery method is applied to a vehicle-mounted remote communication terminal, and the network automatic recovery method includes: Real-time monitoring of whether the network operation status of the vehicle-mounted remote communication terminal is in a faulty network state; In response to monitoring that the network operation state is in the faulty network state, obtaining a fault type of the faulty network state according to network data of the vehicle-mounted remote communication terminal, the fault type including one or more of a data on-network fault, a 2G / 3G on-network fault, and an access point fault; Determine a network automatic recovery strategy according to the fault type; The network automatic recovery strategy is executed to restore the vehicle-mounted remote communication terminal from the faulty network state to a normal network state.

2. The network automatic recovery method according to claim 1, characterized in that: The network automatic recovery strategy includes a first network recovery strategy and a second network recovery strategy, and determining the network automatic recovery strategy according to the fault type includes: If the fault type includes the data network fault or the 2G / 3G network fault, determining whether the vehicle on which the vehicle-mounted remote communication terminal is installed is in a dormant state; if the vehicle is not in the dormant state, determining that the network automatic recovery strategy is the first network recovery strategy; If the fault type does not include the data on-network fault and does not include the on-network 2G / 3G fault, the network automatic recovery strategy is determined to be the second network recovery strategy.

3. The network automatic recovery method according to claim 2, characterized in that: When the network automatic recovery strategy is the first network recovery strategy, executing the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to a normal network state includes: Determining whether a first recovery action has been completed, the first recovery action comprising at least one of setting a preferred network recovery strategy, setting an airplane mode recovery strategy, and setting a radio frequency recovery strategy, wherein the setting of the preferred network recovery strategy comprises setting the preferred network of the vehicle-mounted remote communication terminal to be a first communication network, wherein the first communication network comprises one or all of a 4G network and a 5G network; If the first recovery action has not been completed, executing the first recovery action to restore the vehicle-mounted remote communication terminal from the faulty network state to the normal network state; If the first recovery action is completed, the vehicle-mounted remote communication terminal is restored from the faulty network state to the normal network state according to the on-off state of the network fault hard restart switch.

4. The network automatic recovery method according to claim 2, characterized in that: When the network automatic recovery strategy is the second network recovery strategy, executing the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to the normal network state includes: Determining whether the fault type is a fault of the access point; If the fault type is the access point fault, determining whether the number of access point re-dialing performed by the vehicle-mounted remote communication terminal reaches a preset access point dial retry threshold; if the number of access point re-dialing does not reach the preset access point dial retry threshold, turning off the switch corresponding to the access point, and turning on the switch corresponding to the access point after a first time period; if the number of access point re-dialing reaches the preset access point dial retry threshold, controlling the vehicle-mounted remote communication terminal to run the first network recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to the normal network state; If the fault type is not the access point fault, determine whether the vehicle-mounted remote communication terminal is executing the first network recovery strategy; if the vehicle-mounted remote communication terminal is executing the first network recovery strategy, control the vehicle-mounted remote communication terminal to stop executing the first network recovery strategy.

5. The network automatic recovery method according to claim 3, characterized in that: The setting of the preferred network recovery strategy includes: Determine whether the vehicle-mounted remote communication terminal turns on the 5G network; If the vehicle-mounted remote communication terminal turns on the 5G network, the preferred network is set to the 4G network, and the next recovery action is set to set the preferred network to the 5G network; If the vehicle-mounted remote communication terminal does not open the 5G network, exit the current recovery action; wherein, when the vehicle-mounted remote communication terminal exits the current recovery action, setting the next recovery action to the set flight mode recovery strategy; The flight mode recovery strategy is set as follows: Determining whether the vehicle-mounted remote communication terminal is in flight mode; If the flight mode is not turned on, turning on the flight mode, and turning off the flight mode after a second time period; If the flight mode is turned on, turning off the flight mode; The setting of the radio frequency recovery strategy includes: Determining whether the vehicle-mounted remote communication terminal turns off the radio frequency; If the radio frequency is not turned off, turning off the radio frequency, and turning on the radio frequency after a third time period; If the radio frequency is turned off, turn on the radio frequency.

6. The network automatic recovery method according to claim 5, characterized in that: The acquiring the fault type of the faulty network state according to the network data of the vehicle-mounted remote communication terminal includes: During a monitoring cycle of monitoring the network operation status, determining whether the vehicle-mounted remote communication terminal has completed data stationing; If the data is not stored in the network, the first judgment strategy is executed; If the data is stationed on the network, determining whether the network connection status of the vehicle-mounted remote communication terminal is in a 2G / 3G state; If the network connection state is not in the 2G / 3G state, executing the second judgment strategy; If the network connection state is in the 2G / 3G state, executing the third judgment strategy; The vehicle-mounted remote communication terminal executes the first judgment strategy, the second judgment strategy or the third judgment strategy to obtain the fault type.

7. The network automatic recovery method according to claim 6, characterized in that: The executing the first judgment strategy includes: Determining whether the vehicle-mounted remote communication terminal turns on the flight mode; If the in-vehicle remote communication terminal does not turn on the flight mode, determining whether the in-vehicle remote communication terminal is in a call making state; If the vehicle-mounted remote communication terminal is not in the call-making state, determining whether the vehicle is in the dormant state; If the vehicle is not in the dormant state, it is determined whether the number of network disconnection times of the vehicle-mounted remote communication terminal and the monitoring period satisfy the following formula: Formula 1: ; If the conditions are met, the fault type is determined to be a data network fault; Wherein, C1 is the number of network disconnection times, T is the monitoring period, and B1 is the network abnormality threshold.

8. The network automatic recovery method according to claim 6, characterized in that: The executing the second judgment strategy includes: Determining whether the access point is successfully connected; If the access point fails to connect, determining whether the access point is in a closed state; If the access point is not in the closed state, it is determined whether the number of times the access point is disconnected and the monitoring period satisfy the following formula: Formula 2: ; If satisfied, determining the fault type is the access point fault; Wherein, C2 is the number of times the access point is disconnected, T is the monitoring period, and B2 is the access point abnormality threshold.

9. The network automatic recovery method according to claim 6, characterized in that: The controlling the vehicle-mounted remote communication terminal to execute the third judgment strategy includes: Determine whether the network automatic recovery strategy needs to be executed when the network connection state is in the 2G / 3G state; If the network automatic recovery strategy needs to be executed, it is determined whether the number of times the vehicle-mounted remote communication terminal is stationed on the 2G / 3G network and the monitoring period satisfy the following formula: Formula 3: ; If satisfied, the fault type is determined to be the 2G / 3G fault on the network; Among them, C3 is the number of times the vehicle-mounted remote communication terminal is stationed on the 2G / 3G network, T is the monitoring period, and B3 is the network connection abnormality threshold.

10. A vehicle-mounted remote communication terminal, characterized in that: The vehicle-mounted remote communication terminal comprises: A monitoring module (100), used for real-time monitoring of whether the network operation status of the vehicle-mounted remote communication terminal is in a faulty network state; An acquisition module (200) is used to acquire the fault type of the faulty network state according to the network data of the vehicle-mounted remote communication terminal when the network operation state is detected to be in the faulty network state, wherein the fault type includes one or more of a data network failure, a 2G / 3G network failure, and an access point failure; A decision module (300), configured to determine a network automatic recovery strategy according to the fault type; An execution module (400) is used to run the network automatic recovery strategy to restore the vehicle-mounted remote communication terminal from the faulty network state to a normal network state.

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