WO2024001110A1 - Operator network switching method for aircraft, device, and storage medium - Google Patents

Abstract

Disclosed are an operator network switching method for an aircraft, a device, and a computer-readable storage medium. The method comprises: acquiring evaluation scores of a plurality of operator networks, and selecting an operator network having an evaluation score which meets a first preset condition as a current operator network (S1); and when the evaluation score of the current operator network meets a second preset condition, re-acquiring evaluation scores of the plurality of operator networks, and updating the current operator network (S2). Therefore, an efficient operator network switching scheme for aircrafts is achieved, so that aircraft equipment may be automatically switched to other suitable operator networks when learning that the current network quality is poor, thus greatly improving the communication network stability and network environment adaptability of the aircraft equipment.

Description

An aircraft operator network switching method, equipment and storage medium Technical field

The invention relates to the field of aircraft technical communications, and in particular to an aircraft operator network switching method, equipment and a computer-readable storage medium.

Background technique

Currently, some drones, manned aircraft and other flight equipment on the market have begun to support mobile network access to enable monitoring and control of flight equipment.

However, when the flight equipment flies at a high altitude, the flight equipment may lose contact due to poor network coverage of the current operator.

Therefore, there is an urgent need for an operator network switching solution that allows flight equipment to switch to other suitable operator networks in a timely manner when the current operator's network is not good, so as to ensure smooth communication between the flight equipment and the ground station.

technical problem

The purpose of the present invention is to propose an operator network switching method, equipment and storage medium for an aircraft to solve the problem that when the operator network is not good, it cannot switch to other suitable operator networks in time and ensure the smooth connection between the flight equipment and the ground station. The problem of smooth communication.

Technical solutions

According to one aspect of the present invention, the present invention proposes an operator network switching method for an aircraft, which method includes:

Obtain evaluation scores of multiple operator networks, and select the operator network whose evaluation scores meet the first preset condition as the current operator network;

When the evaluation scores of the current operator network satisfy the second preset condition, multiple evaluation scores of the operator networks are reacquired, and the current operator network is updated.

Optionally, the obtaining evaluation scores of multiple operator networks includes:

Obtain network parameters of multiple operator networks in a preset order after booting;

Switch the operator network according to the network parameters, and obtain the evaluation score of each operator network during the switching period.

Optionally, switching the operator network according to the network parameters and obtaining the evaluation score of each operator network during the switching period includes:

After each operator's network registration is successful, network data of a preset duration is obtained, where the network data includes signal strength, network format, and network delay;

The evaluation score of the operator's network is calculated based on the network data.

Optionally, selecting the operator network whose evaluation score satisfies the first preset condition as the current operator network includes:

When the evaluation score of the current operator network is lower than the preset score threshold, select the operator network with the highest evaluation score as the new current operator network;

When the evaluation score of the current operator network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator network is less than the preset score difference, maintain the current operator network;

When the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is greater than or equal to the score difference, select the one with the highest evaluation score. The carrier network acts as the new current carrier network.

Optionally, when the evaluation scores of the current operator network meet the second preset condition, reacquiring evaluation scores of multiple operator networks and updating the current operator network includes:

When the evaluation score of the current operator network is lower than the score threshold for a duration exceeding the preset duration threshold, it is determined that the evaluation score of the current operator network satisfies the second preset condition;

The current operator network is updated according to the reacquired evaluation scores of multiple operator networks, the first preset condition and/or the second preset condition.

Optionally, calculating an evaluation score of the operator network based on the network data includes determining a first score based on the strength value of the signal strength, wherein:

When the intensity value is zero, the first score is recorded as zero;

When the intensity value is not zero, the intensity value plus one is recorded as the first score.

Optionally, calculating an evaluation score of the operator's network based on the network data includes determining a second score based on the standard type of the network standard, wherein:

When the standard type is no service, the second score is recorded as zero;

When the standard type is 4G standard, or 3G standard, or 2G standard, three values from large to small are set accordingly, and the value corresponding to the current standard type is selected and recorded as the second score.

Optionally, calculating the evaluation score of the operator network based on the network data includes determining a third score based on the delay interval in which the delay value of the network delay is located, wherein:

When the delay value is zero or an error occurs, the third score is recorded as zero;

The delay ranges of the plurality of delay intervals are from small to large, and a plurality of values from large to small are correspondingly set. The value corresponding to the delay interval in which the current delay value is located is selected and recorded as the third delay interval. Three points worth.

Optionally, obtain one or more of the first score, the second score and the third score at a preset frequency within the preset time period;

The average value of one or more of the plurality of first scores, the plurality of second scores, and the plurality of third scores is used as the evaluation score.

According to another aspect of the invention, the invention also proposes an operator network switching device for an aircraft, which device includes a memory, a processor and a computer program stored on the memory and executable on the processor, When the computer program is executed by the processor, the steps of the operator network switching method for an aircraft as described in any one of the above items are implemented.

According to another aspect of the present invention, the present invention also provides a computer-readable storage medium, which stores an aircraft operator network switching program. When the aircraft operator network switching program is executed by a processor, The steps of implementing the operator network switching method for an aircraft as described in any one of the above.

beneficial effects

Implement the method, equipment and computer-readable storage medium for aircraft operator network switching of the present invention by obtaining evaluation scores of multiple operator networks and selecting the operator network whose evaluation scores meet the first preset condition as Current operator network; when the evaluation score of the current operator network satisfies the second preset condition, reacquire multiple evaluation scores of the operator network, and update the current operator network. Implemented an efficient operator network switching solution for aircraft, which allows aircraft equipment to switch to other suitable operator networks when it learns that the current network quality is poor, greatly improving the stability of the communication network of aircraft equipment. and network environment adaptability.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and examples. In the accompanying drawings:

Figure 1 is a flow chart of a first embodiment of an aircraft operator network switching method according to the present invention.

Figure 2 is a first flow chart of the second embodiment of the aircraft operator network switching method of the present invention.

Figure 3 is a second flow chart of the second embodiment of the aircraft operator network switching method of the present invention.

Figure 4 is a flow chart of the fourth embodiment of the aircraft operator network switching method of the present invention.

Embodiments of the invention

It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

Embodiment 1

Figure 1 is a flow chart of a first embodiment of an aircraft operator network switching method according to the present invention. An operator network switching method for aircraft, applied to flight equipment such as unmanned aircraft or manned aircraft, the method includes:

S1. Obtain evaluation scores of multiple operator networks, and select the operator network whose evaluation scores meet the first preset condition as the current operator network.

S2. When the evaluation scores of the current operator network meet the second preset condition, re-obtain the evaluation scores of multiple operator networks and update the current operator network.

In this embodiment, a drone device is taken as an example for explanation. Current drone equipment includes many types, such as unmanned aerial vehicles or manned aircraft that only carry passengers (excluding pilots); the operator network is configured for the current drone equipment and the drone equipment operates Network services supported within the scope, such as China Mobile operator network, China Unicom operator network and China Telecom operator network in mainland China.

In this embodiment, the above three types of operator networks are taken as examples for explanation. First, the current drone equipment evaluates the above three operator networks. The evaluation method is to configure the above three operator networks in a preset order on the wireless communication module of the current drone equipment. , when each operator's network is configured and successfully connected to the network, the evaluation score of each operator's network is obtained, that is, the network quality of the current operator's network is measured in a quantitative manner; then, the above three operator networks are judged The evaluation points are based on whether the first preset condition is met, and the operator network that meets the first preset condition is used as the current operator network of the UAV device.

Optionally, the first preset condition is whether the evaluation score exceeds the first preset value. At this time, the operator network whose evaluation score exceeds the first preset value is regarded as the current operator network; optionally, the first preset The condition is that when the evaluation score is higher than the first preset value, the difference between the evaluation score and the first preset value is determined. At this time, the operator network whose difference is greater than the second preset value is regarded as the current operator network. Optionally, the first preset condition can also be the difference between the evaluation score and other evaluation scores when the evaluation score is higher than the first preset value. In this case, the difference is greater than the first preset value. Three default carrier networks are used as the current carrier network.

In this embodiment, after the UAV equipment completes the evaluation of the above three operator networks and selects one operator network as the current operator network, in order to continue operating under the current operator network, Monitor the quality of the current operator's network. In this embodiment, when it is detected that the evaluation score of the current operator's network meets the second preset condition, multiple evaluation scores of the operator's network are reacquired and the current operator's network is updated. business network.

Optionally, the second preset condition is the difference between the average value of the evaluation score of the current operator's network within a continuous detection period and the fourth preset value. At this time, the detection value within a continuous detection period is When the mean value is less than the fourth preset value, the network quality evaluations of the above three operator networks are re-obtained, and the new current operator network is re-determined according to the above first preset condition; optionally, the second preset condition is When the evaluation score of the current operator's network is that the average value of the detection values in a continuous detection period is greater than the fourth preset value and less than the fifth preset value, the amplitude relationship of multiple detection values, at this time, in the current operator When the average value of the detection values of the business network's evaluation score in a continuous detection period is greater than the fourth preset value and less than the fifth preset value, and when the variance of multiple detection values is greater than the sixth preset value, the above-mentioned Evaluate the network quality of the three operator networks, and re-determine the new current operator network according to the first preset condition above.

The beneficial effect of this embodiment is that by obtaining the evaluation scores of multiple operator networks and selecting the operator network whose evaluation scores meet the first preset condition as the current operator network; in the current operator network When the evaluation scores meet the second preset condition, the evaluation scores of multiple operator networks are reacquired, and the current operator network is updated. Implemented an efficient operator network switching solution, allowing drone equipment to automatically switch to other suitable operator networks when it learns that the current network quality is poor, greatly improving the communication network of drone equipment Stability and network environment adaptability.

Embodiment 2

Figure 2 is a first flow chart of the second embodiment of the operator network switching method for an aircraft of the present invention. Based on the above embodiment, in this embodiment, the above-mentioned steps of obtaining evaluation scores of multiple operator networks specifically include:

S11. Obtain network parameters of multiple operator networks in a preset order after powering on.

S12. Switch the operator network according to the network parameters, and obtain the evaluation score of each operator network during the switching period.

In this embodiment, the evaluation order of multiple operator networks is preset, for example, the order of China Mobile operator network, China Unicom operator network and China Telecom operator network is used as the evaluation order of these three operator networks. Based on this, after the drone device is turned on, if it is first registered with the China Mobile operator network, it will be evaluated in the order of China Mobile operator network, China Unicom operator network and China Telecom operator network. If After booting, the first registered network is the China Telecom operator network, and the evaluation will be in the order of China Telecom operator network, China Mobile operator network and China Unicom operator network. Optionally, when the UAV device is shut down, the current operator network is saved as the first registered operator network when it is powered on next time; optionally, when the UAV device is shut down, the network with the highest evaluation score during the current operation is saved. The operator network is the first operator network to be registered when the drone is powered on next time; optionally, when the drone device is turned off, the operator network with the highest evaluation score in each geographical area involved during the current operation is saved, and the operator network with the highest score is saved next time. When starting up, first determine the geographical area where you are, and use the operator network with the highest score saved in that geographical area as the first registered operator network when starting up.

In this embodiment, the wireless communication module for the UAV device is a virtual module, for example, in a virtual SIM card module (SIM, Subscriber Identity Module (User Identity Identification Module), writes the network parameters of China Mobile Operator Network, China Unicom Operator Network and China Telecom Operator Network in sequence, so that the drone device registers with China Mobile Operator Network, China Unicom Operator Network and so on. commercial networks and Chinese telecom operator networks. Optionally, the wireless communication module for the UAV equipment is a physical module, that is, the UAV equipment has SIM cards adapted to China Mobile operator network, China Unicom operator network and China Telecom operator network. In this case , register the corresponding operator network by switching the operator parameters in the SIM card.

Figure 3 is a second flow chart of the second embodiment of the operator network switching method for an aircraft of the present invention. The operator network is switched according to the network parameters, and the evaluation score of each operator network is obtained during the switching period. The steps include:

S121. After each operator's network registration is successful, obtain network data of a preset duration, where the network data includes signal strength, network standard, and network delay.

S122. Calculate an evaluation score of the operator's network based on the network data.

In this embodiment, after each operator's network is successfully registered and integrated into the network, one or more types of network data are acquired within a continuous period to achieve network quality evaluation of the operator's network. Specifically, the network data includes one or more of signal strength, network format, and network delay. Among them, the signal strength in this embodiment is a value detected through the CSQ parameter (a signal quality detection instruction), or the above-mentioned CSQ parameter is calculated through the formula CSQ=(received signal strength dBm+113)/2; in this embodiment The network standard in this example is one of 4G network, 3G network and 2G network; the network delay in this embodiment is the real delay value obtained by performing a connectivity test on the preset network address.

In this embodiment, the above parameters of signal strength, type of network standard, and size of network delay are converted into corresponding scores, so that the evaluation score of the current operator's network is calculated based on the converted scores. Optionally, the evaluation score in this embodiment is the sum of the above-mentioned one group of component values, or the average value of multiple component values after each group is summed, or the maximum value and the minimum value are removed after each group is summed. The mean of the remaining summed values.

Embodiment 3

In this embodiment, the above-mentioned step of selecting the operator network whose evaluation score satisfies the first preset condition as the current operator network will be described in the following three situations:

Scenario 1: When the evaluation score of the current operator network is lower than the preset score threshold, the operator network with the highest evaluation score is selected as the new current operator network.

Scenario 2: When the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is less than the preset score difference, the current operator's network is maintained. .

Scenario 3: When the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is greater than or equal to the score difference, select the evaluation The carrier network with the highest score is used as the new current carrier network.

In this embodiment, the above situation 1 is further divided:

First, when the evaluation score of the current operator network is lower than the preset score threshold, if the other two operator networks are both the highest, the operator network with the highest evaluation will be selected according to the evaluation order of the above three operator networks. As new current carrier network;

Second, when the evaluation score of the current operator's network is lower than the preset score threshold, when the evaluation of the above three operator networks has been completed, the evaluation score of the current operator's network is obtained again. If the re-obtained evaluation score is If it is still lower than the preset score threshold, then select the operator network with the highest evaluation score as the new current operator network. If the re-obtained evaluation score is not lower than the preset score threshold, then save the current operator network. Operator network.

In this embodiment, the above situation 2 is further divided:

First, when the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is less than the preset score difference, the current operator's network is obtained again. If the re-obtained evaluation score is the highest evaluation score, the current operator network will be maintained.

Second, when the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is less than the preset score difference, obtain the current operator's score again. If the re-obtained evaluation score is not the highest evaluation score, but the current difference between the highest evaluation score and the re-obtained evaluation score is less than the previous difference, the current operator network will be maintained.

Third, when the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is less than the preset score difference, obtain the current operator's score again. If the re-obtained evaluation score is not the highest evaluation score, and the current difference between the above-mentioned highest evaluation score and the re-obtained evaluation score is greater than the previous difference, then the operation with the highest evaluation score will be selected. carrier network as the new current carrier network.

In this embodiment, the above three scenarios are further divided:

First, when the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is greater than or equal to the score difference, obtain the current score again. The evaluation score of the operator's network. If the re-obtained evaluation score is the highest evaluation score, the current operator's network will be maintained.

Second, when the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is greater than or equal to the score difference, obtain the current score again. The evaluation score of the operator network. If the re-obtained evaluation score is not the highest evaluation score, but the current difference between the highest evaluation score and the re-obtained evaluation score is less than the previous difference, the current operator network will be maintained.

Third, when the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is greater than or equal to the score difference, obtain the current score again. As for the evaluation score of the operator's network, if the re-obtained evaluation score is not the highest evaluation score, and the current difference between the highest evaluation score and the re-obtained evaluation score is greater than the previous difference, then the one with the highest evaluation score will be selected. Carrier Network as the new current carrier network.

Embodiment 4

Figure 4 is a flow chart of the fourth embodiment of the operator network switching method for an aircraft of the present invention. Based on the above embodiment, when the evaluation score of the current operator network meets the second preset condition, multiple of the The steps to evaluate the operator network and update the current operator network include:

S21. When the evaluation score of the current operator network is lower than the score threshold for a duration exceeding the preset duration threshold, determine that the evaluation score of the current operator network satisfies the second preset condition.

S22: Update the current operator network according to the reacquired evaluation scores of multiple operator networks, the first preset condition and/or the second preset condition.

In this embodiment, the evaluation score detection of the current operator's network is performed according to the preset detection frequency. When it is detected that the evaluation score is continuously lower than the score threshold and the duration exceeds the duration threshold, the network conditions of the current operator's network are determined. Not good.

In this embodiment, the evaluation scores of the above three operator networks are reacquired, and the current operator network is determined according to the above first preset condition; optionally, after the evaluation scores of the above three operator networks are reacquired, Select the one with the highest evaluation score as the current operator network, and timely update the current operator network according to the second preset condition; optionally, re-obtain the evaluation scores of the above three operator networks, and update the current operator network according to the above first preset condition. After the current operator network is determined according to the preset conditions, the current operator network is updated in a timely manner according to the second preset conditions.

Embodiment 5

Based on the above embodiment, the step of determining the first score according to the intensity value of the signal strength includes:

When there is no signal in the intensity value, the first score is recorded as zero;

When the intensity value has a signal, the intensity value plus one is recorded as the first score.

The above-mentioned step of determining the second score according to the standard type of the network standard also includes:

When the standard type is no service, the second score is recorded as zero;

When the standard type is 4G standard, or 3G standard, or 2G standard, three values from large to small are set accordingly, and the value corresponding to the current standard type is selected and recorded as the second score.

The above step of determining the third score based on the delay value of the network delay also includes:

When the delay value is zero or an error occurs, the third score is recorded as zero;

The delay ranges of the plurality of delay intervals are from small to large, and a plurality of values from large to small are correspondingly set. The value corresponding to the delay interval in which the current delay value is located is selected and recorded as the third delay interval. Three points worth.

In this embodiment, the calculation methods of the first score, the second score and the third score are given. For details, please refer to the following table:

in:

When there is no signal, the first score is recorded as 0; when there is a signal, the value of the intensity value plus one is recorded as the first score, that is, CSQ+1.

When the network standard type is no service, record the second score as 0. When the network standard type is 4G standard, or 3G standard, or 2G standard, set three values from large to small accordingly, that is, 34 , 26 and 18. Based on this, the value corresponding to the current standard type is selected and recorded as the second score.

When the delay value is 0 or -1 (where -1 represents an error), the third score is recorded as 0; the delay range in multiple delay intervals is from small to large, corresponding to Set multiple values from large to small, that is, the corresponding values set for the [0,25) range, [25,150) range, [150,500) range, [500,1000) range and [1000,+∞) range are respectively , 34, [(34-4×ping÷125)], 15, 10 and 5. Based on this, the value corresponding to the delay interval in which the current delay value is located is selected and recorded as the third score.

In this embodiment, one or more of the first score, the second score, and the third score are obtained at a preset frequency within the preset time period.

In this embodiment, an average of one or more of a plurality of first scores, a plurality of second scores, and a plurality of third scores is used as the evaluation score.

Specifically, for example, the sum of one of the first scores, one of the second scores and one of the third scores is used as the evaluation score. Alternatively, the sum of the first score, the second score and the third score is taken as a group, and the average of the multiple groups is calculated as the evaluation score.

Based on the above score setting scheme, in a specific scenario, if the drone device is currently registered as a 4G network, the CSQ is 31 (that is, the RSSI is greater than or equal to -53dBm), the ping value (the target address can be ) ping www.baidu.com) is less than 25 milliseconds, the corresponding evaluation score is 100 points. In another specific scenario, if the drone device is currently registered on the 3G network, the CSQ is 19 (that is, the RSSI is -75dBm), and the ping value is 150 milliseconds, the corresponding evaluation score is 60 points.

For example, within a continuous 12-second detection period for the current operator's network, if it is continuously evaluated as less than 60 points, it will be considered as a poor network. At this time, according to the above three operator networks, Switch the order.

For another example, obtain the evaluation scores within 10 seconds of each of the above three operator networks after registration, select the operator with the highest score and switch; optionally, if the evaluation score of the current operator is greater than 60 points, If the score is less than 5 points lower than the score of the operator with the highest score, it is determined that there is no need to switch to avoid frequent network interruptions. At this time, just continue to maintain the current operator's network.

Embodiment 6

Based on the above embodiments, the present invention also proposes an operator network switching device for an aircraft. The device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. The computer When the program is executed by the processor, the steps of the operator network switching method for an aircraft as described in any one of the above items are implemented.

It should be noted that the above device embodiments and method embodiments belong to the same concept, and the specific implementation process can be found in the method embodiments for details, and the technical features in the method embodiments are applicable to the device embodiments and will not be described again here.

Embodiment 7

Based on the above embodiments, the present invention also proposes a computer-readable storage medium. The computer-readable storage medium stores the operator network switching program of the aircraft. When the operator network switching program of the aircraft is executed by the processor, it is implemented as described above. The steps of the aircraft operator network switching method described in any one of the above.

It should be noted that the above-mentioned medium embodiment and method embodiment belong to the same concept, and the specific implementation process can be found in the method embodiment for details, and the technical features in the method embodiment are correspondingly applicable to the medium embodiment, and will not be described again here.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are only illustrative and not restrictive. Those of ordinary skill in the art will Under the inspiration of the present invention, many forms can be made without departing from the spirit of the present invention and the scope protected by the claims, and these all fall within the protection of the present invention.

Industrial applicability

Implement the method, equipment and computer-readable storage medium for aircraft operator network switching of the present invention by obtaining evaluation scores of multiple operator networks and selecting the operator network whose evaluation scores meet the first preset condition as Current operator network; when the evaluation score of the current operator network satisfies the second preset condition, reacquire multiple evaluation scores of the operator network, and update the current operator network. This achieves an efficient operator network switching solution for aircraft, allowing aircraft equipment to switch to other suitable operator networks when it learns that the current network quality is poor, greatly improving the stability of the communication network of aircraft equipment. and network environment adaptability. Therefore, it has industrial practicality.

Claims (11)

An operator network switching method for an aircraft, the method includes: Obtain the evaluation scores of multiple operator networks, and select the operator network whose evaluation scores meet the first preset condition as the current operator network; When the evaluation scores of the current operator network satisfy the second preset condition, multiple evaluation scores of the operator networks are reacquired, and the current operator network is updated. The aircraft operator network switching method according to claim 1, wherein the obtaining evaluation scores of multiple operator networks includes: Obtain network parameters of multiple operator networks in a preset order after booting; Switch the operator network according to the network parameters, and obtain the evaluation score of each operator network during the switching period. The operator network switching method of an aircraft according to claim 2, wherein the switching of the operator network according to the network parameters and obtaining the evaluation score of each operator network during the switching period includes: After each operator's network registration is successful, network data of a preset duration is obtained. The network data includes signal strength, network format and network delay; The evaluation score of the operator's network is calculated based on the network data. The aircraft operator network switching method according to claim 1, wherein the selecting the operator network whose evaluation score meets the first preset condition as the current operator network includes: When the evaluation score of the current operator network is lower than the preset score threshold, select the operator network with the highest evaluation score as the new current operator network; When the evaluation score of the current operator network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator network is less than the preset score difference, maintain the current operator network; When the evaluation score of the current operator's network is higher than or equal to the score threshold, and the difference between the highest evaluation score and the evaluation score of the current operator's network is greater than or equal to the score difference, select the one with the highest evaluation score. The carrier network acts as the new current carrier network. The aircraft operator network switching method according to claim 4, wherein when the evaluation score of the current operator network satisfies the second preset condition, re-obtain the evaluation scores of multiple operator networks, and updates to current carrier networks, including: When the evaluation score of the current operator network is lower than the score threshold for a duration exceeding the preset duration threshold, it is determined that the evaluation score of the current operator network satisfies the second preset condition; The current operator network is updated according to the reacquired evaluation scores of multiple operator networks, the first preset condition and/or the second preset condition. The aircraft operator network switching method according to claim 3, wherein calculating the evaluation score of the operator network based on the network data includes determining a first score based on the strength value of the signal strength, wherein: When the intensity value is zero, the first score is recorded as zero; When the intensity value is not zero, the intensity value plus one is recorded as the first score. The aircraft operator network switching method according to claim 3, wherein calculating the evaluation score of the operator network based on the network data includes determining a second score based on the standard type of the network standard, wherein: When the standard type is no service, the second score is recorded as zero; When the standard type is 4G standard, or 3G standard, or 2G standard, three values from large to small are set accordingly, and the value corresponding to the current standard type is selected and recorded as the second score. The aircraft operator network switching method according to claim 3, wherein the evaluation score of the operator network is calculated according to the network data, including the delay interval according to the delay value of the network delay. Determine the third score, where: When the delay value is zero or an error occurs, the third score is recorded as zero; The delay ranges of the plurality of delay intervals are from small to large, correspondingly set a plurality of values from large to small, and select the value corresponding to the delay interval in which the current delay value is located to record as the third delay interval. Three points worth. The aircraft operator network switching method according to any one of claims 6 to 8, wherein the first score, the second score and the first score are obtained at a preset frequency within the preset time period. one or more of the third scores; The average value of one or more of the plurality of first scores, the plurality of second scores, and the plurality of third scores is used as the evaluation score. An operator network switching device for an aircraft, including a memory, a processor, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, the computer program implements the claims. The steps of the operator network switching method of an aircraft according to any one of 1 to 9. A computer-readable storage medium, the computer-readable storage medium stores a carrier network switching program for an aircraft, and when the carrier network switching program for the aircraft is executed by a processor, it implements any one of claims 1 to 9 The steps of the aircraft operator network switching method described in item 1.