A power grid dispatching method, device and equipment and storage medium

Abstract

The application discloses a power grid dispatching method and device, equipment and storage medium, and relates to the technical field of power dispatching. According to the method, a fault point is set in a dispatching automation simulation system, the action states of all switches and circuit breakers in a substation where the fault point is located and between stations are acquired, all switches in the substation, between the substation and a connected station are traversed, the influence of each switch action on the fault point is acquired, a weighting method is adopted to set weights for switch action scoring and judgment basis, the switch actions in the fault point substation and between two stations are arranged and combined, N preselected schemes are formed, schemes with large score peak-valley differences are filtered out, and a scheme with the minimum mean square deviation in the preselected schemes after filtering is calculated, so that the current optimal power grid dispatching scheme is screened out, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power dispatching, in particular to a power grid dispatching method, device and equipment and a storage medium. BACKGROUND

[0002] Power grid dispatching is an integrated power grid dispatching mode for organizing the overall power grid system. When a power grid device has defects or abnormalities due to external environmental factors, timely and accurate power grid dispatching operations need to be made according to the accident location.

[0003] In the prior art, when a power device suddenly fails, people usually manually derive a dispatching scheme, which is time-consuming and laborious to handle and has low efficiency. SUMMARY

[0004] The main purpose of the present application is to provide a power grid dispatching method, device and equipment and a storage medium, which aims to solve the technical problem in the prior art that when a power device suddenly fails, people usually manually derive a dispatching scheme, which is time-consuming and laborious to handle and has low efficiency.

[0005] To achieve the above purpose, the present application provides a power grid dispatching method for a computer device, which comprises the following steps:

[0006] S101, based on electrical parameters, establishing a power database and importing the power database into a dispatching simulation system; the electrical parameters include substation information, line load information, switch information and circuit breaker information;

[0007] S102, setting a plurality of fault points in the dispatching simulation system, and obtaining the action state of all switches and circuit breakers in the substation and between stations where the fault points are located;

[0008] S103, traversing all switches in the substation, between substations and connected stations, and obtaining the influence of each switch action on the fault points;

[0009] S104, scoring the action state of each switch using a weighting method, and selecting the two highest scores of switch actions as the first switch actions of two preselected schemes;

[0010] S105, repeating steps S103 and S104 (N-1) times until the fault of the dispatching simulation system disappears; each time, selecting the two highest scores of switch actions as the Nth switch actions of two preselected schemes; using N switch actions, 2 N preselected schemes are obtained;

[0011] S106, based on the score of each switch action, calculate the score peak and valley of all the decision schemes, filter out the pre-selected scheme whose score peak and valley difference is greater than a threshold, and obtain a rough screening scheme group;

[0012] S107, calculate the mean square error of each pre-selected scheme in the rough screening scheme group, select the pre-selected scheme with the minimum mean square error, and obtain a target scheme.

[0013] Optionally, step S101 comprises:

[0014] S1011, obtaining the first, second and third level substation in-station power equipment and equipment interconnection information, including the first, second and third level substation in-station primary equipment, secondary equipment important digital and analog quantity;

[0015] S1012, based on the digital and analog quantity, establishing the power database, and then importing the power database into the dispatching simulation system.

[0016] Optionally, in step S103, the influence situation includes important user outage rate, ordinary user outage rate, main transformer load rate and line load rate, and a switch action influence matrix is formed based on the influence situation.

[0017] Optionally, the switch action influence matrix satisfies the following relationship:

[0018]

[0019] wherein, represents the switch action influence matrix formed by all switches in the substation, between substations and connected substations in the yth iteration; represents the important user outage rate after the first switch action in the substation where the fault point is located in the yth iteration; represents the ordinary user outage rate after the second switch action in the substation where the fault point is located in the yth iteration; represents the main transformer load rate after the fourth switch action in the substation where the fault point is located in the yth iteration; represents the line load rate after the Nth switch action in the substation where the fault point is located in the yth iteration.

[0020] Optionally, the step of scoring the action state of each switch by using the weighting method comprises:

[0021] S1041, standardizing each element of the switch action influence matrix:

[0022] ;

[0023] S1042, extracting all parameters from step S1041 , calculating the mean of the jth index ;

[0024]

[0025] wherein, i=1, 2,...n; j=1, 2,...m;

[0026] S1043, calculating the mean square error of the jth index ;

[0027] ;

[0028] S1044, calculating the difference coefficient of the jth index ;

[0029]

[0030] S1045, calculating the weight value of the jth index ;

[0031]

[0032] S1046, calculating the comprehensive score of n pre-selected schemes, and extracting the data corresponding to the highest comprehensive score of the pre-selected schemes;

[0033] .

[0034] Optionally, in step S106, the score peak-to-valley satisfies the following relationship:

[0035]

[0036] wherein, represents the highest score of step f in the fth scheme; represents the lowest score of step f in the fth scheme.

[0037] Optionally, the mean square error of the pre-selected scheme satisfies the following relationship:

[0038]

[0039] wherein, represents the score of step i in the kth scheme; represents the arithmetic mean of the scores of all steps in the kth scheme.

[0040] In addition, to achieve the above object, the application further provides an electric power grid dispatching device, comprising:

[0041] An import module is configured to establish an electric power database based on electric parameters and import the electric power database into a dispatching simulation system; the electric parameters include substation information, line load information, switch information and circuit breaker information;

[0042] A first acquisition module is configured to set a plurality of fault points in the dispatching simulation system and acquire the action states of all switches and circuit breakers in and between the substations where the fault points are located;

[0043] A second acquisition module is configured to traverse all switches in and between the substations and the connected substations and acquire the influence of each switch action on the fault points;

[0044] A scoring module is configured to score each switch action by using a weighting method and select the two highest-scored switch actions as the first switch actions of two preselected schemes;

[0045] A third acquisition module is configured to repeatedly execute the second acquisition module and the scoring module (N-1) times until the fault in the dispatching simulation system disappears; each time, the two highest-scored switch actions are selected as the Nth switch actions of the two preselected schemes; a total of N switch actions are used to obtain 2 N preselected schemes;

[0046] A fourth acquisition module is configured to calculate the score peaks and valleys of all the decision schemes based on the scores of each switch action, filter out the preselected schemes with a score peak-valley difference greater than a threshold value, and obtain a rough screening scheme group;

[0047] A fifth acquisition module is configured to calculate the mean square error of each preselected scheme in the rough screening scheme group, select the preselected scheme with the minimum mean square error, and obtain a target scheme.

[0048] In addition, to achieve the above object, the application further provides a computer device, which comprises a memory and a processor, the memory stores a computer program, and the processor executes the computer program to realize the steps of the electric power grid dispatching method.

[0049] In addition, to achieve the above object, the application further provides a computer readable storage medium, which is characterized in that the computer readable storage medium stores a computer program, and the processor executes the computer program to realize the steps of the electric power grid dispatching method.

[0050] In the prior art, when the power equipment fails, the technician needs to derive a dispatching scheme, and it is time-consuming and laborious to handle the dispatching scheme, and the efficiency is low. According to the method of the present application, the fault point is set in the dispatching automation simulation system, the action state of all switches and circuit breakers in the substation where the fault point is located and between stations is obtained, all switches in the substation, between the substations and the connected stations are traversed, the influence of each switch action on the fault point is obtained, then the weighting method is used to score and judge the weight of the switch action, the switch actions in the fault point station and between the two stations are arranged and combined to form a preselected scheme, the scheme with a large peak-valley difference is filtered out, and the scheme with the smallest mean square error in the filtered preselected scheme is calculated, so that the current optimal power grid dispatching scheme is screened out, which is convenient, fast, time-saving and labor-saving. N The present application is characterized in that the method comprises the following steps: setting a fault point in a dispatching automation simulation system; obtaining the action state of all switches and circuit breakers in a substation where the fault point is located and between stations; traversing all switches in the substation, between the substations and the connected stations; obtaining the influence of each switch action on the fault point; scoring and judging the weight of the switch action by using a weighting method; arranging and combining the switch actions in the fault point station and between the two stations to form a preselected scheme; filtering out the scheme with a large peak-valley difference; and calculating the scheme with the smallest mean square error in the filtered preselected scheme, so as to screen out the current optimal power grid dispatching scheme. BRIEF DESCRIPTION OF DRAWINGS

[0051] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0052] Figure 1 The device structure schematic diagram of the hardware running environment related to the embodiment of the present application.

[0053] Figure 2 The flowchart of the power grid dispatching method of the embodiment of the present application.

[0054] Figure 3 The structure schematic diagram of the power grid dispatching device of the embodiment of the present application.

[0055] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION

[0056] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present application.

[0057] REFERENCE Figure 1 , Figure 1 The device structure schematic diagram of the hardware running environment related to the embodiment of the present application.

[0058] As Figure 1As shown, the electronic device can include a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. The communication bus 1002 is used to realize the connection and communication between the components. The user interface 1003 can include a display, an input unit such as a keyboard, and can also include a standard wired interface, a wireless interface. The network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a wireless fidelity (WIreless-FIdelity, WI-FI) interface). The memory 1005 can be a high-speed random access memory (RAM) memory, or a stable non-volatile memory (Non-Volatile Memory, NVM) such as a disk memory. The memory 1005 can also be a storage device independent of the aforementioned processor 1001.

[0059] Those skilled in the art can understand that Figure 1 The structure shown in the figure does not constitute a limitation on the electronic device, and can include more or fewer components than the figure, or combine certain components, or different component arrangements.

[0060] As Figure 1 As shown, the memory 1005 as a storage medium can include an operating system, a network communication module, a user interface module, and an electronic program.

[0061] In Figure 1 In the electronic device shown, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with the user; the processor 1001 and the memory 1005 in the electronic device of the present application can be arranged in the electronic device, and the electronic device calls the power grid scheduling device stored in the memory 1005 through the processor 1001, and executes the power grid scheduling method provided by the present application.

[0062] With reference to Figure 2 The embodiment of the present application provides a power grid scheduling method, which is used for a computer device; the method comprises the following steps:

[0063] S101, based on the electrical parameters, establishing a power database, and importing the power database into a scheduling simulation system; the electrical parameters include substation information, line load information, switch information and circuit breaker information.

[0064] Step S101 comprises:

[0065] S1011, obtain the first, second and third level substation in-station power equipment and equipment interconnection information, including the first, second and third level substation in-station primary equipment, secondary equipment important digital and analog quantity.

[0066] The first level substation can be 110KV substation, the second level substation can be 35KV substation, and the third substation can be 10KV substation.

[0067] The primary equipment digital quantity can include 110KV, 35KV, 10KV level bus three-phase voltage and line voltage actual value, 110KV, 35KV, 10KV level main transformer capacity, rated current, actual current and load rate, transformer N-1 load rate, line rated current, actual current and load rate, line N-1 load rate; substation three-phase voltage and line voltage value, substation capacity, rated current, actual current and load rate.

[0068] The primary equipment analog quantity can include the start-stop state of the generator in the station, the running state, the switch state of the tie-in switch, the circuit breaker, the isolating switch and the fuse.

[0069] The secondary equipment digital quantity can include 10KV DC current measurement value, DC voltage measurement value.

[0070] The secondary equipment analog quantity can include the relay protection mode, the relay protection state, and the communication state of each power equipment.

[0071] S1012, based on the digital quantity and the analog quantity, establish a power database, and the first, second and third level substation can interconnect the power database; then import the power database into the dispatching simulation system.

[0072] S102, set multiple fault points in the dispatching simulation system, and obtain the action state of all switches and circuit breakers in the substation where the fault point is located and between stations.

[0073] S103, traverse all switches in the substation, between substations and connected stations, and obtain the influence of each switch action on the fault point;

[0074] The influence can include important user outage rate , ordinary user outage rate , main transformer load rate and line load rate , and a switch action influence matrix is formed based on the influence. Wherein, the important user outage rate ( represents the number of important users carried by the gth switch corresponding to the line; represents the number of important users involved in the entire regional substation); the ordinary user outage rate represents the number of ordinary users involved in the gth switch action; represents the number of ordinary users involved in the gth switch action; represents the actual current-carrying value of the ith main transformer involved in the gth switch action; represents the rated current-carrying value of the ith main transformer involved in the gth switch action; represents the actual current-carrying value of the ith line involved in the gth switch action; represents the rated current-carrying value of the ith line involved in the gth switch action. If the switch action results in an accident tripping (system prompt), the switch cannot be used as a step in the scheme.

[0075] Switch action influence matrix satisfies the following relationship:

[0076]

[0077] wherein, represents the switch action influence matrix formed by all switches in the substation, between substations, and connected stations in the yth traversal; represents the important user outage rate after the first switch action in the substation where the fault point is located in the yth traversal; represents the ordinary user outage rate after the second switch action in the substation where the fault point is located in the yth traversal; represents the main transformer load rate after the fourth switch action in the substation where the fault point is located in the yth traversal; represents the line load rate after the Nth switch action in the substation where the fault point is located in the yth traversal.

[0078] For example, the switch action influence matrix formed by all switches in the substation, between substations, and connected stations in the first traversal is:

[0079]

[0080] S104, score the action state of each switch using the weighting method, and select the two highest scores of the switch actions as the first switch action of the two preselected schemes.

[0081] The step of scoring the action state of each switch using the weighting method includes:

[0082] S1041, standardize each element of the switch action influence matrix:

[0083] ;​​​

[0084] S1042, extract all parameters from step S1041 , calculate the mean of the jth index ;

[0085]

[0086] where i = 1, 2,... n; j = 1, 2,... m;

[0087] S1043, calculate the mean square error of the jth index ;

[0088] ;

[0089] S1044, calculate the difference coefficient of the jth index ;

[0090]

[0091] S1045, calculate the weight value of the jth index ;

[0092]

[0093] S1046, calculate the comprehensive score of the n preselected schemes, and extract the data corresponding to the highest comprehensive score in the preselected schemes;

[0094] .

[0095] S105, repeat step S103 and step S104 (N-1) times until the failure of the dispatch simulation system disappears; each time, select the two highest scores of the switch actions as the Nth switch actions of the two preselected schemes; use N switch actions in total to obtain 2 N preselected schemes.

[0096] S106, based on the score of each switch action, calculate the score peak and valley of all decision schemes, filter out the preselected schemes with a score peak and valley difference greater than a threshold value, and obtain a coarse screening scheme group.

[0097] Calculate the score peak and valley satisfy the following relationship:

[0098]

[0099] where, represents the highest score of step f in the fth scheme; represents the lowest score of step f in the fth scheme.

[0100] The preselected scheme with a score peak-valley difference greater than the threshold value is filtered out.

[0101] In S107, the mean square error of each preselected scheme in the rough screening scheme group is calculated, the preselected scheme with the minimum mean square error value is screened, and the target scheme is obtained.

[0102] The mean square error of the preselected scheme The following relationship is satisfied:

[0103]

[0104] Wherein, represents the score of the i-th step in the k-th scheme; represents the arithmetic mean of the scores of all steps in the k-th scheme.

[0105] Based on the same inventive concept as the foregoing embodiments, referring to Figure 3 The embodiment of the present application also proposes a power grid dispatching device, the device is used for computer equipment, and the device comprises:

[0106] The import module is used for establishing a power database based on electrical parameters and importing the power database into the dispatching simulation system; the electrical parameters include substation information, line load information, switch information, and circuit breaker information;

[0107] The first acquisition module is used for setting multiple fault points in the dispatching simulation system and acquiring the action states of all switches and circuit breakers in the substation and between stations where the fault points are located;

[0108] The second acquisition module is used for traversing all switches in the substation, between the substations, and the connected stations, and acquiring the influence of each switch action on the fault points;

[0109] The scoring module is used for scoring the action states of each switch by using a weighting method and selecting the first switch actions of two preselected schemes as the two highest-scored switch actions;

[0110] The third acquisition module is used for repeatedly executing the second acquisition module and the scoring module (N-1) times until the fault of the dispatching simulation system disappears; each time, the N-th switch actions of two preselected schemes are selected as the two highest-scored switch actions; a total of N switch actions are used to obtain 2 N preselected schemes;

[0111] The fourth acquisition module is used for calculating the score peak-valley of all decision schemes based on the score of each switch action, filtering out the preselected scheme with a score peak-valley difference greater than the threshold value, and obtaining the rough screening scheme group.

[0112] The fifth obtaining module is configured to calculate the mean square error of each preselected scheme in the coarse screening scheme group, screen a preselected scheme with the minimum mean square error, and obtain a target scheme.

[0113] It should be noted that the steps performed by the device of the present embodiment are the same as those of the foregoing method embodiment, and the specific implementation and the technical effects achieved are the same as those of the foregoing embodiment, which will not be repeated here.

[0114] In addition, in an embodiment, the present application further provides a computer storage medium, and a computer program is stored on the computer readable storage medium. The processor executes the computer program to realize the steps of the power grid dispatching method.

[0115] In some embodiments, the computer readable storage medium can be FRAM, ROM, PROM, EPROM, EEPROM, flash memory, magnetic surface memory, optical disc, or CD-ROM memory, etc. It can also be various devices including one or any combination of the above-mentioned memories. The computer can be various computing devices including smart terminals and servers.

[0116] In some embodiments, the executable instructions can be in the form of programs, software, software modules, scripts or codes, written in any form of programming language (including compiled or interpreted languages, or declarative or procedural languages), and can be deployed in any form, including being deployed as independent programs or as modules, components, subroutines or other units suitable for use in computing environments.

[0117] As an example, the executable instructions can but not necessarily correspond to files in a file system, can be stored in part of a file storing other programs or data, for example, stored in one or more scripts in a Hyper Text Markup Language (HTML) document, stored in a single file dedicated to the program in question, or stored in multiple cooperative files (for example, files storing one or more modules, subroutines or code portions).

[0118] As an example, the executable instructions can be deployed to execute on one computing device, or on multiple computing devices located at one site, or on multiple computing devices distributed at multiple sites and interconnected through a communication network.

[0119] It should be noted that, in this document, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0120] The above-mentioned sequence numbers of the embodiments of the present application are only for description, and do not represent advantages or disadvantages of the embodiments.

[0121] From the above description of the embodiments, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be realized by means of software and necessary general hardware platforms, and of course can also be realized by hardware, but in many cases the former is a better embodiment. Based on such understanding, the technical solutions of the present application can be embodied in the form of a software product in essence or in the form of a part of the prior art that makes a contribution. The computer software product is stored in a storage medium (such as a read-only memory / random access memory, a magnetic disk, or an optical disk) and includes a plurality of instructions for causing a multimedia terminal device (which can be a mobile phone, a computer, a television receiver, or a network device) to execute the methods of the various embodiments of the present application.

[0122] The above is only an optional embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure transformation made according to the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A power grid dispatching method, characterized by, The method is applied to a computer device, and comprises the following steps: S101, establishing an electric power database based on electrical parameters, and importing the electric power database into a dispatch simulation system; the electrical parameters include substation information, line load information, switch information, and circuit breaker information; S102, setting multiple fault points in the dispatch simulation system, and obtaining the action states of all switches and circuit breakers in the substation where the fault points are located and between stations; S103, traversing all switches in the substation, between the substations, and connected stations, and obtaining the influence of each switch action on the fault points; S104, scoring the action states of each switch by using a weighting method, and selecting the two highest scores of the switch actions as the first switch actions of two preselected schemes; S105, repeating step S103 and step S104 for N-1 times until the failure of the dispatch simulation system disappears; each time selecting two highest-scored switch actions as the Nth switch actions of two of the preselected schemes; using N switch actions together to obtain 2 N preselected schemes. S106, calculating the score peaks and valleys of all the preselected schemes based on the scores of each switch action, filtering out the preselected schemes with a score peak-valley difference greater than a threshold, and obtaining a rough screening scheme group; S107, calculating the mean square deviation of each preselected scheme in the rough screening scheme group, selecting the preselected scheme with the minimum mean square deviation, and obtaining a target scheme.

2. The power grid dispatching method of claim 1, wherein, Step S101 comprises: S1011, obtaining the electric power equipment and equipment interconnection information in the first, second, and third level substations, including the important digital and analog quantities of the primary and secondary equipment in the first, second, and third level substations; S1012, establishing the electric power database based on the digital and analog quantities, and importing the electric power database into the dispatch simulation system.

3. The power grid dispatching method of claim 1, wherein, In step S103, the influence includes the important user outage rate, the ordinary user outage rate, the main transformer load rate, and the line load rate, and a switch action influence matrix is formed based on the influence.

4. The power grid dispatching method of claim 3, wherein, The switch action influence matrix satisfies the following relation: wherein, represents the switch action influence matrix of all switches within the substation, between substations and connected stations in the yth iteration; represents the important user outage rate after the first switch action within the substation where the fault point is located in the yth iteration; represents the ordinary user outage rate after the second switch action within the substation where the fault point is located in the yth iteration; represents the main transformer load rate after the fourth switch action within the substation where the fault point is located in the yth iteration; represents the line load rate after the Nth switch action within the substation where the fault point is located in the yth iteration.

5. The power grid dispatching method of claim 4, wherein, The step of scoring the action states of each switch by using a weighting method comprises: S1041, performing standardization processing on each element of the switch action influence matrix: ； S1042, extract all parameters from step S1041 , calculate the mean value of the jth index ; Wherein, i=1, 2, …n; j=1, 2, …m; S1043、Calculate the mean square error of the jth index ; ； S1044、Calculate the difference coefficient of the jth index ; S1045、calculating a weight value of the jth index ; S1046, calculating the comprehensive scores of the n preselected schemes, and extracting the data corresponding to the highest comprehensive score of the preselected schemes; 。 6. The power grid dispatching method of claim 1, wherein, In step S106, the score peak is calculated satisfies the following relationship: wherein, represents the highest score of a step in the fth scheme; represents the lowest score of a step in the fth scheme.

7. The power grid dispatching method of claim 1, wherein, the mean square error of the preselection satisfies the following relation: wherein, represents the score of the i-th step in the k-th protocol; represents the arithmetic mean of the scores of all steps in the k-th protocol.

8. A power grid dispatching device, characterized by, It comprises: An import module for establishing an electric power database based on electrical parameters, and importing the electric power database into a dispatch simulation system; The electrical parameters include substation information, line load information, switch information, and circuit breaker information; A first acquisition module for setting multiple fault points in the dispatch simulation system, and obtaining the action states of all switches and circuit breakers in the substation where the fault points are located and between stations; A second acquisition module for traversing all switches in the substation, between the substations, and connected stations, and obtaining the influence of each switch action on the fault points; A scoring module for scoring the action states of each switch by using a weighting method, and selecting the two highest scores of the switch actions as the first switch actions of two preselected schemes; The third acquisition module is configured to repeatedly execute the second acquisition module and the scoring module (N-1) times until the failure of the dispatch simulation system disappears; each time, two switch actions with the highest scores are selected as the Nth switch actions of two of the preselected schemes; and N switch actions are used together to obtain 2 N preselected schemes. A fourth obtaining module is configured to calculate score peaks of all the preselected schemes based on the score of each switch action, filter out the preselected schemes with a score peak difference greater than a threshold, and obtain a rough screening scheme group; A fifth obtaining module is configured to calculate a mean square error of each preselected scheme in the rough screening scheme group, screen the preselected scheme with the minimum mean square error, and obtain a target scheme.

9. A computer device, comprising: The computer device comprises a memory and a processor, the memory stores a computer program, and the processor executes the computer program to implement the method in any one of claims 1-7.

10. A computer-readable storage medium, characterized in that, The computer readable storage medium stores a computer program, and the processor executes the computer program to implement the method in any one of claims 1-7.

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