CN116646911A

CN116646911A - Current sharing distribution method and system applied to digital power supply parallel mode

Info

Publication number: CN116646911A
Application number: CN202310928044.XA
Authority: CN
Inventors: 魏勇军; 刘波; 禹贵云; 禹琪
Original assignee: Chengdu Huapu Electric Appliance Co ltd
Current assignee: Chengdu Huapu Electric Appliance Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2023-08-25
Anticipated expiration: 2043-07-27
Also published as: CN116646911B

Abstract

The invention relates to the technical field of current sharing distribution, and discloses a current sharing distribution method and a system applied to a digital power supply parallel mode, wherein the method comprises the following steps: inquiring a digital control interface of the digital power supply, extracting interface parameters of each control interface in the digital control interfaces, and analyzing interface properties of the digital control interfaces; inquiring the module task of each module in the parallel modules, calculating the task consumption power of each module in the parallel modules, detecting the power data of each module in the parallel modules, and confirming the current power parameters of each module in the parallel modules; calculating module current corresponding to the parallel modules, and calculating average module current corresponding to the parallel modules; and constructing a current distribution link between each module in the parallel modules and the digital power supply, configuring a virtual current regulator in the current distribution link, and executing current sharing distribution of the parallel modules by using the virtual current regulator. The invention aims to improve the distribution efficiency of current sharing of a digital power supply parallel mode.

Description

Current sharing distribution method and system applied to digital power supply parallel mode

Technical Field

The invention relates to the technical field of current sharing distribution, in particular to a current sharing distribution method and system applied to a digital power supply parallel mode.

Background

The digital power supply mainly comprises a communication function and a numerical control function, and is characterized in that the external characteristics of a switching power supply controlled by a digital interface are taken as a core, a Digital Signal Processor (DSP) or a Microcontroller (MCU) is taken as a control object, a digital power supply driver, a PWM controller and the like are taken as control objects, the power supply can be effectively distributed to different components of a system, the loss is furthest reduced, compared with the traditional analog power supply, the main difference of the digital power supply is a control and communication part, the digital power supply has the advantages in the application of complex high-performance systems with more controllable factors, faster real-time reaction speed and the need of power management of a plurality of analog systems, and the current distribution of the digital power supply is uneven when the digital power supply is applied, so that the current of the digital power supply is required to be subjected to current sharing distribution treatment.

However, the existing current sharing distribution method of the digital power supply parallel mode mainly realizes current sharing through an output impedance method, the main process is that the output impedance method is also called a slope control method, in a power supply parallel operation system, all power supply modules are mutually independent, in order to achieve the purpose of module sharing, the output impedance of a switching power supply is adjusted through an acquired circuit feedback signal by the output impedance method, so that the effect of sharing current is realized, but the distribution characteristic of the method is poor when the method is in light load, and factors such as the change of external operation conditions, the difference of performance of components and ageing can influence the distribution of current, so that the current sharing performance can be greatly reduced along with the change of operation time, and the efficiency of current sharing distribution of the digital power supply parallel mode is low, so that a method capable of improving the distribution efficiency of current sharing of the digital power supply parallel mode is needed.

Disclosure of Invention

The invention provides a current sharing distribution method and a system applied to a parallel mode of a digital power supply, and mainly aims to improve the distribution efficiency of current sharing of the parallel mode of the digital power supply.

In order to achieve the above purpose, the current sharing distribution method applied to the parallel mode of the digital power supply provided by the invention comprises the following steps:

acquiring a digital power supply and a parallel module of current to be distributed, inquiring a digital control interface of the digital power supply, extracting interface parameters of each control interface in the digital control interfaces, and analyzing interface attributes of the digital control interfaces according to the interface parameters, wherein the analyzing the interface attributes of the digital control interfaces according to the interface parameters comprises the following steps:

identifying parameter characters in the interface parameters, carrying out character segmentation processing on the parameter characters to obtain segmented characters, and carrying out semantic analysis on the segmented characters to obtain segmented character semantics;

according to the segmentation character semantics, calculating the weight of each character in the segmentation characters through the following formula to obtain character weights:

wherein ,representing the character weight of each of the divided characters, and +. >Constant->I represents the segmentation character semantics and the sequence number of the segmentation character, r represents the number of segmentation characters, +.>Weight vector representing semantic correspondence of ith segmentation character,/->Representing the weight direction corresponding to the ith segmentation characterThe amount of the product is calculated,

according to the character weight, character screening is carried out on the segmented characters to obtain target segmented characters, attribute analysis is carried out on the target segmented characters to obtain segmented character attributes, and the segmented character attributes are used as interface attributes of the digital control interface;

inquiring a module task of each module in the parallel modules, calculating task consumption power of each module in the parallel modules according to the module task, detecting power data of each module in the parallel modules, and confirming current power parameters of each module in the parallel modules according to the power data;

calculating module current corresponding to the parallel module according to the bus current, the current power parameter and the task consumption power, and calculating average module current corresponding to the parallel module according to the module current;

and constructing a current distribution link between each module in the parallel modules and the digital power supply according to the interface attribute, configuring a virtual current regulator in the current distribution link, and executing current sharing distribution of the parallel modules by utilizing the virtual current regulator according to the module current and the average module current.

Optionally, the calculating task power consumption of each module in the parallel modules according to the module task includes:

acquiring task indexes corresponding to the module tasks, inquiring the task quantity of each index in the task indexes, and measuring the task period corresponding to each index in the task indexes;

calculating the index power consumption of each index in the task indexes according to the task quantity and the task period, and calculating the task energy consumption corresponding to the module task according to the index power consumption;

and inquiring the consumption power corresponding to the task energy consumption according to a preset energy consumption power table to obtain the task consumption power of each module in the parallel modules.

Optionally, the determining, according to the power data, a current power parameter of each module in the parallel modules includes:

extracting data items and numerical data in the power data, and drawing a current power line diagram corresponding to each module in the parallel modules according to the data items and the numerical data;

scheduling module parameters of each module in the parallel modules, calculating initial power data of each module in the parallel modules according to the module parameters, and drawing an initial power line diagram of each module in the parallel modules according to the initial power data;

Calculating the image coincidence ratio of the current power line diagram and the initial power line diagram, and calculating the loss coefficient of each module in the parallel modules according to the image coincidence ratio;

and updating the module parameters according to the loss coefficients to obtain target module parameters, and calculating the current power parameters of each module in the parallel modules according to the target module parameters and the power data.

Optionally, the calculating the image coincidence ratio of the current power line graph and the initial power line graph includes:

calculating the image coincidence degree of the current power line diagram and the initial power line diagram through the following formula:

wherein ,image overlap ratio of the current power line pattern and the initial power line pattern is represented, F represents a broken line length of the current power line pattern, G represents a broken line length of the initial power line pattern, j represents a starting point sequence number of a broken line in the current power line pattern and the initial power line pattern, and +>Representing the current power line diagram at +.>Position-corresponding polyline slope, ++>Representing the initial power line diagram at +.>The slope of the polyline corresponding to the position.

Optionally, the calculating the loss coefficient of each module in the parallel modules according to the image coincidence ratio includes:

The loss coefficient of each of the parallel modules is calculated by the following formula:

wherein ,the loss coefficient of the a-th module in the parallel modules is represented, a represents the module sequence of the parallel modules, q represents the module number of the parallel modules,/the module number of the parallel modules is represented by->Indicating the period of use of the a-th module in the parallel modules,/->Represents the corresponding breakage rate of the a-th module in the parallel modules when the service period is T,/for the parallel modules>Representing the pattern overlap of the a-th module in the parallel modules,representing the health of each module in the parallel.

Optionally, the calculating the module current corresponding to the parallel module according to the bus current, the current power parameter and the task power consumption includes:

acquiring a connection circuit diagram of the digital power supply and the parallel module, measuring bus current of the digital power supply, and detecting a current line in the connection circuit diagram;

analyzing the module relation of each module in the parallel modules according to the current lines, and calculating the line resistance of each line in the current lines according to the current power parameters;

calculating the line current of each line in the current line according to the line resistance and the bus current;

And calculating the current corresponding to each module in the parallel modules according to the task power consumption, the current power parameter and the line current to obtain module current.

Optionally, the calculating, according to the module current, an average module current corresponding to the parallel module includes:

measuring heat values of the parallel modules and connecting lines between the parallel modules in real time to obtain module heat values and line heat values;

calculating the loss current of each module in the parallel modules according to the module heat value to obtain module loss current, and calculating the loss current of each line in the connecting line according to the line heat value to obtain line loss current;

combining the module current, the module loss current and the line loss current, and carrying out current update on each module in the parallel module to obtain a target module current;

and calculating the average current corresponding to the parallel module according to the target module current to obtain the average module current.

Optionally, the calculating the loss current of each line in the connection line according to the line heat value to obtain a line loss current includes:

The loss current of each of the connection lines is calculated by the following formula:

wherein ,represents the line loss current of the s-th line in the connection line,/->Indicating the line length corresponding to the s-th line in the connection line,/->Represents the line resistance value of the s-th line in the connection line,/->Line heat value indicating the s-th line of the connection lines, or +>Representing the cross-sectional area of the line corresponding to the s-th line in the connection line.

Optionally, the constructing a current distribution link between each of the parallel modules and the digital power supply according to the interface attribute includes:

calculating the adaptation degree of the digital control interface and the parallel module, and respectively inquiring the communication protocols corresponding to the digital control interface and the parallel module to obtain an interface protocol and a module protocol;

respectively extracting features of the interface protocol and the module protocol to obtain interface protocol features and module protocol features, and carrying out feature fusion on the interface protocol features and the module protocol features according to the adaptation degree to obtain fusion protocol features;

according to the fusion protocol characteristics, setting a link protocol between each module in the parallel modules and the digital power supply, and analyzing a communication medium between each module in the parallel modules and the digital power supply;

And detecting a module port of each module in the parallel modules, and generating a current distribution link between each module in the parallel modules and the digital power supply by combining the module port, the digital control interface, the communication medium and the link protocol.

A current sharing distribution system applied to a parallel mode of a digital power supply, the system comprising:

the attribute analysis module is used for acquiring a digital power supply and a parallel module of current to be distributed, inquiring a digital control interface of the digital power supply, extracting interface parameters of each control interface in the digital control interfaces, and analyzing interface attributes of the digital control interfaces according to the interface parameters, wherein the analyzing the interface attributes of the digital control interfaces according to the interface parameters comprises the following steps:

wherein ,representing the character weight of each of the divided characters, and +.>Constant->I represents the segmentation character semantics and the sequence number of the segmentation character, r represents the number of segmentation characters, +.>Weight vector representing semantic correspondence of ith segmentation character,/->Represents the weight vector corresponding to the i-th segmentation character,

the parameter confirmation module is used for inquiring the module task of each module in the parallel modules, calculating the task consumption power of each module in the parallel modules according to the module task, detecting the power data of each module in the parallel modules, and confirming the current power parameter of each module in the parallel modules according to the power data;

the average current calculation module is used for calculating the module current corresponding to the parallel module according to the bus current, the current power parameter and the task consumption power, and calculating the average module current corresponding to the parallel module according to the module current;

And the current sharing distribution module is used for constructing a current distribution link between each module in the parallel module and the digital power supply according to the interface attribute, configuring a virtual current regulator in the current distribution link, and executing current sharing distribution of the parallel module by utilizing the virtual current regulator according to the module current and the average module current.

According to the invention, the digital power supply and the corresponding parallel devices of the digital power supply can be obtained by obtaining the digital power supply and the parallel modules of the current to be distributed, the digital control interface of the digital power supply can be inquired, the analysis of the subsequent current is facilitated, the knowledge of the interface of the digital power supply can be increased through the digital control interface, the accuracy is provided for the subsequent current sharing distribution by inquiring the module task of each module in the parallel modules, calculating the task consumption power of each module in the parallel modules according to the module task, knowing the actually required task consumption energy value of each module in the parallel modules, so that the module current corresponding to the parallel modules can be calculated conveniently, the accuracy of current calculation is improved, and the accuracy of current calculation is improved by calculating the module current corresponding to the parallel modules according to the bus current, the current parameters and the task consumption power. Therefore, the current sharing distribution method and system applied to the digital power supply parallel mode can improve the distribution efficiency of current sharing of the digital power supply parallel mode.

Drawings

Fig. 1 is a flow chart of a current sharing method applied to a parallel mode of a digital power supply according to an embodiment of the present application;

FIG. 2 is a functional block diagram of a current sharing distribution system applied to a parallel mode of a digital power supply according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of an electronic device for implementing the current sharing distribution method applied to the parallel mode of the digital power supply according to an embodiment of the present application.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

The embodiment of the application provides a current sharing distribution method applied to a digital power supply parallel mode. In the embodiment of the present application, the execution body of the current sharing distribution method applied to the parallel mode of the digital power supply includes, but is not limited to, at least one of a server, a terminal, and the like, which can be configured to execute the method provided by the embodiment of the present application. In other words, the current sharing distribution method applied to the parallel mode of the digital power supply may be executed by software or hardware installed in the terminal device or the server device, where the software may be a blockchain platform. The service end includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, and the like. The server may be an independent server, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, content delivery networks (Content Delivery Network, CDN), and basic cloud computing services such as big data and artificial intelligence platforms.

Referring to fig. 1, a flow chart of a current sharing method applied to a parallel mode of a digital power supply according to an embodiment of the invention is shown. In this embodiment, the current sharing method applied to the parallel mode of the digital power supply includes steps S1 to S4.

S1, acquiring a digital power supply and a parallel module of current to be distributed, inquiring a digital control interface of the digital power supply, extracting interface parameters of each control interface in the digital control interfaces, and analyzing interface attributes of the digital control interfaces according to the interface parameters.

The invention can acquire the digital power supply of the current to be distributed and the parallel module, inquire the digital control interface of the digital power supply, know the digital power supply and the corresponding parallel device, facilitate the analysis of the subsequent current, and increase the knowledge of the interface of the digital power supply through the digital control interface, wherein the digital power supply is a novel power supply which adopts a digital mode to realize the control, protection loop and communication interface of the power supply, the parallel module is an object of the digital power supply and is connected in parallel, the digital control interface is a standard interface of the corresponding connection point by adopting various systems and equipment of digital technology on the digital power supply, and further, the inquiry of the digital control interface of the digital power supply can be realized in a man-machine interaction mode, such as inquiry from the Internet.

The invention analyzes the interface attribute of each control interface in the digital control interface by extracting the interface parameter of each control interface in the digital control interface, according to the interface parameter, so as to facilitate the understanding of the attribute information of the digital control interface, so as to facilitate the subsequent construction of the current distribution link between the digital control interface and the parallel module, wherein the interface parameter is the basic information of each interface in the digital control interface, such as the size, the interface type, the interface use and the like of the interface, the interface attribute is the functional attribute, the parameter attribute and the like corresponding to the interface, and further, the extracting of the interface parameter of each control interface in the digital control interface can be realized through a parameter extracting tool, and the parameter extracting tool is compiled by a script language.

As an embodiment of the present invention, the analyzing, according to the interface parameter, an interface attribute of the digital control interface includes: identifying parameter characters in the interface parameters, carrying out character segmentation processing on the parameter characters to obtain segmented characters, carrying out semantic analysis on the segmented characters to obtain segmented character semantics, calculating the weight of each character in the segmented characters according to the segmented character semantics to obtain character weights, carrying out character screening on the segmented characters according to the character weights to obtain target segmented characters, carrying out attribute analysis on the target segmented characters to obtain segmented character attributes, and taking the segmented character attributes as interface attributes of the digital control interface.

The method comprises the steps of obtaining parameter characters, namely name and model, in the interface parameters, obtaining segmentation characters through segmentation processing of the parameter characters, obtaining segmentation character semantics of the segmentation characters through meaning and interpretation corresponding to the segmentation characters, obtaining a character weight representing importance degree of each character in the segmentation characters after the segmentation characters are screened according to the numerical value of the character weight, obtaining segmentation character attributes of the segmentation characters through character properties corresponding to the target segmentation characters, further, identifying the parameter characters in the interface parameters through OCR text recognition technology, obtaining character segmentation processing of the parameter characters through a word segmentation tool, obtaining semantic analysis of the segmentation characters through a Java language compiling, obtaining character screening of the segmentation characters through a filter function, and obtaining the target segmentation characters through a funnel analysis model.

Further, as an optional embodiment of the present invention, the calculating the weight of each character in the segmented characters according to the segmented character semantics to obtain the character weight includes:

The weight of each of the segmented characters is calculated by the following formula:

wherein ,representing the character weight of each of the divided characters, and +.>Constant->I represents the segmentation character semantics and the sequence number of the segmentation character, r represents the number of segmentation characters, +.>Weight vector representing semantic correspondence of ith segmentation character,/->And representing the weight vector corresponding to the ith segmentation character.

S2, inquiring a module task of each module in the parallel modules, calculating task consumption power of each module in the parallel modules according to the module task, detecting power data of each module in the parallel modules, and confirming current power parameters of each module in the parallel modules according to the power data.

According to the invention, by inquiring the module task of each module in the parallel modules and calculating the task consumption power of each module in the parallel modules according to the module task, the actually required energy value of task consumption of each module in the parallel modules can be known, so that the module current corresponding to the parallel modules can be calculated conveniently, and the accuracy of current calculation is improved.

As an embodiment of the present invention, the calculating task power consumption of each of the parallel modules according to the module task includes: acquiring task indexes corresponding to the module tasks, inquiring the task quantity of each index in the task indexes, measuring the task period corresponding to each index in the task indexes, calculating the index power consumption of each index in the task indexes according to the task quantity and the task period, calculating the task energy consumption corresponding to the module tasks according to the index power consumption, and inquiring the consumption power corresponding to the task energy consumption according to a preset energy consumption power table to obtain the task consumption power of each module in the parallel modules.

The task indexes are items or types of each task in the module task, the task quantity is the number of tasks completed in unit time by each index in the task indexes, the task period is the task completion time of each index in the task indexes, the index power consumption is the consumption energy of each index in the task indexes, the task energy consumption is the overall power consumption corresponding to the module task, and the preset energy consumption power table is a mapping table of energy consumption and corresponding consumption power.

Furthermore, the task index corresponding to the task of the module may be implemented by an index extractor, the index extractor is compiled by a programming language, the task amount for querying each index in the task indexes may be queried by a corresponding task system, the task period corresponding to each index in the task indexes may be metered and processed by a timer, the index power consumption of each index in the task indexes may be calculated according to the product of the task amount and the task period, and the task energy consumption corresponding to the task of the module may be calculated according to summing the index power consumption.

The invention confirms the current power parameter of each module in the parallel module according to the power data by detecting the power data of each module in the parallel module, so as to be convenient for knowing the real parameter of each module in the parallel module and the total current value of the digital power supply, and provides convenience for the subsequent module current calculation, wherein the power data is the data related to the corresponding power when the parallel module operates, such as current and voltage, the current power parameter is the current real parameter of the parallel module, the bus current is the initial total current value in the circuit corresponding to the digital power supply, and further, the detection of the power data of each module in the parallel module can be realized through related power equipment, such as a voltmeter.

As an embodiment of the present invention, the determining, according to the power data, a current power parameter of each of the parallel modules includes: extracting data items and numerical data in the power data, drawing a current power line diagram corresponding to each of the parallel modules according to the data items and the numerical data, scheduling module parameters of each of the parallel modules, calculating initial power data of each of the parallel modules according to the module parameters, drawing an initial power line diagram of each of the parallel modules according to the initial power data, calculating an image coincidence ratio of the current power line diagram and the initial power line diagram, calculating a loss coefficient of each of the parallel modules according to the image coincidence ratio, updating the module parameters according to the loss coefficient to obtain target module parameters, and calculating the current power parameters of each of the parallel modules according to the target module parameters and the power data.

Further, extracting the data items and the numerical data in the power data can be achieved through a left function, drawing the current power line diagram corresponding to each of the parallel modules can be achieved through a visio drawing tool, scheduling the module parameters of each of the parallel modules can be achieved through the parameter extraction tool, initial power data of each of the parallel modules can be achieved through combining the module parameters and utilizing a data simulation model to simulate calculation, such as a relation model,

Further, as an optional embodiment of the present invention, the calculating an image overlap ratio between the current power line graph and the initial power line graph includes:

As an optional embodiment of the invention, the calculating the loss coefficient of each of the parallel modules according to the image coincidence ratio comprises

wherein ,the loss coefficient of the a-th module in the parallel modules is represented, a represents the module sequence of the parallel modules, q represents the module number of the parallel modules,/the module number of the parallel modules is represented by->Indicating the period of use of the a-th module in the parallel modules,/- >Represents the corresponding breakage rate of the a-th module in the parallel modules when the service period is T,/for the parallel modules>Representing the pattern overlap of the a-th module in the parallel modules,representing the health of each module in the parallel.

And S3, calculating the module current corresponding to the parallel module according to the bus current, the current power parameter and the task consumption power, and calculating the average module current corresponding to the parallel module according to the module current.

According to the invention, the module current corresponding to the parallel module is calculated according to the bus current, the current power parameter and the task power consumption, so that the actual current value corresponding to the parallel module can be known, and the accuracy is provided for subsequent current sharing distribution, wherein the module current is an ideal current value corresponding to each module in the parallel module.

As an optional embodiment of the present invention, the calculating the module current corresponding to the parallel module according to the bus current, the current power parameter and the task power consumption includes: obtaining a connection circuit diagram of the digital power supply and the parallel modules, measuring bus current of the digital power supply, detecting a current line in the connection circuit diagram, analyzing a module relation of each module in the parallel modules according to the current line, calculating line resistance of each line in the current line according to the current power parameter, calculating line current of each line in the current line according to the line resistance and the bus current, and calculating current corresponding to each module in the parallel modules according to task consumption power, the current power parameter and the line current to obtain module current.

The connection circuit diagram is a circuit connection relation diagram between the digital power supply and the parallel modules, the bus current is total current in the digital power supply, the current line is a line of current trend in the connection circuit diagram, the module relation is a circuit relation between each module in the parallel modules, such as parallel connection and series connection, the line resistance is a total resistance value corresponding to the current line, and the line current is a current sum value of each line in the current line.

Further, the bus current of the digital power supply may be measured by an ammeter, the current lines in the connection circuit diagram may be analyzed by a path method, the analysis of the module relationship of each module in the parallel modules may be achieved by a current analysis method, the line resistance of each line in the current lines may be calculated according to the resistance parameter in the current power parameter, if the sum of the resistance parameters is calculated in series, if the sum of the inverse values of the resistance parameters is calculated in parallel, the line current of each line in the current lines may be calculated by calculating the inverse value of the proportionality coefficient between the line resistances, the current ratio of each line may be obtained, then the bus current may be multiplied by the corresponding current ratio, the module voltage of each module in the parallel modules may be determined by the current power parameter and the line current, the calculation formula i=p/U is the module current, P is the task power consumption, and U is the module voltage.

According to the current sharing method, the average module current corresponding to the parallel module is calculated according to the module current and is used as a standard for current sharing distribution, wherein the average module current is a standard value for current sharing distribution of the parallel module.

As one embodiment of the present invention, the calculating, according to the module current, an average module current corresponding to the parallel module includes: measuring heat values of the parallel modules and connecting lines between the parallel modules in real time to obtain module heat values and line heat values, calculating the loss current of each module in the parallel modules according to the module heat values to obtain module loss currents, calculating the loss current of each line in the connecting lines according to the line heat values to obtain line loss currents, and carrying out current update on each module in the parallel modules in combination with the module currents, the module loss currents and the line loss currents to obtain target module currents, and calculating average currents corresponding to the parallel modules according to the target module currents to obtain average module currents.

The module heat value is the heat value of each module in the parallel modules, the line heat value is the heat value of the connecting line, the module loss current is the current lost by each module in the parallel modules, the line loss current is the current lost when the module current passes through the connecting line, and the target module current is the real current corresponding to each module in the parallel modules.

Further, as an optional embodiment of the present invention, measuring the heat value of the parallel modules and the connection line between the parallel modules in real time may be implemented by a heat detector, and the loss current of each module in the parallel modules may be calculated by a heat formula, where a specific formula is: q=i ² Rt, Q represents module heat value, R represents module resistance, t represents module current passing time, and current updating of each module in the parallel module can be realized by calculating current difference by combining the module current, the module loss current and the line loss current, and the specific mode is as follows: the first module current is: module current-module loss current, second module current is: module current-module loss current-line loss current, and the like, so as to calculate the real current value of each module, and calculating the average current corresponding to the parallel modules can be realized by dividing the sum of the target module currents by the total number of modules.

Further, as an optional embodiment of the present invention, the calculating, according to the line thermal value, a loss current of each line in the connection line to obtain a line loss current includes:

S4, constructing a current distribution link between each module in the parallel modules and the digital power supply according to the interface attribute, configuring a virtual current regulator in the current distribution link, and executing current sharing distribution of the parallel modules by using the virtual current regulator according to the module current and the average module current.

According to the interface attribute, the current distribution link between each module in the parallel modules and the digital power supply is constructed, so that the current distribution can be conveniently carried out on the parallel modules through the digital power supply, the current sharing distribution efficiency is improved, and the current distribution link is a communication link for carrying out current distribution on the parallel modules by the digital current.

As an embodiment of the present invention, said constructing a current distribution link between each of said parallel modules and said digital power supply according to said interface attribute includes: calculating the adaptation degree of the digital control interface and the parallel module, respectively inquiring communication protocols corresponding to the digital control interface and the parallel module to obtain an interface protocol and a module protocol, respectively extracting features of the interface protocol and the module protocol to obtain interface protocol features and module protocol features, carrying out feature fusion on the interface protocol features and the module protocol features according to the adaptation degree to obtain fusion protocol features, setting a link protocol between each module in the parallel module and the digital power supply according to the fusion protocol features, analyzing a communication medium between each module in the parallel module and the digital power supply, detecting a module port of each module in the parallel module, and combining the module port, the digital control interface, the communication medium and the link protocol to generate a current distribution link between each module in the parallel module and the digital power supply.

The adaptation degree indicates the adaptation degree between the digital control interface and the parallel connection module, the interface protocol and the module protocol respectively indicate communication rules corresponding to the digital control interface and the parallel connection module, the interface protocol feature and the module protocol feature respectively indicate protocol characterizing portions in the interface protocol and the module protocol, the fusion protocol feature is a feature obtained by fusion and combination of the interface protocol feature and the module protocol feature, the communication medium is a medium corresponding to communication between each module in the parallel connection module and the digital power supply, such as a wired (network cable) or wireless (such as WiFi and Bluetooth), and the module port is a port corresponding to connection or interaction between each module in the parallel connection module and the outside.

Further, as an optional embodiment of the present invention, calculating the adaptation degree of the digital control interface and the parallel module may be implemented by an analog simulation method, respectively querying communication protocols corresponding to the digital control interface and the parallel module may be implemented by a protocol query tool, the protocol query tool is compiled by a programming language, respectively extracting features of the interface protocol and the module protocol may be implemented by an MDS (multimedia scaling) method, feature fusion of the interface protocol features and the module protocol features may be implemented by an early fusion method, setting a link protocol between each module in the parallel module and the digital power supply may be implemented by programming the fusion protocol features, a communication medium between each module in the parallel module and the digital power supply may be obtained by analyzing module attributes of the parallel module, and generating a current distribution link between each module in the parallel module and the digital power supply may be implemented by programming corresponding codes and running.

According to the current sharing method, a virtual current regulator is configured in the current distribution link, current sharing distribution of the parallel modules is carried out by utilizing the virtual current regulator according to the module current and the average module current so as to conveniently complete current sharing distribution of the parallel modules, the current regulator is a virtual device for regulating the size of distribution current, further, the configuration of the virtual current regulator in the current distribution link can be realized through plc software programming, and current sharing distribution of the parallel modules by utilizing the virtual current regulator can be carried out through current sharing processing according to the difference value of the module current and the average module current.

According to the invention, the digital power supply and the corresponding parallel devices of the digital power supply can be obtained by obtaining the digital power supply and the parallel modules of the current to be distributed, the digital control interface of the digital power supply can be inquired, the analysis of the subsequent current is facilitated, the knowledge of the interface of the digital power supply can be increased through the digital control interface, the accuracy is provided for the subsequent current sharing distribution by inquiring the module task of each module in the parallel modules, calculating the task consumption power of each module in the parallel modules according to the module task, knowing the actually required task consumption energy value of each module in the parallel modules, so that the module current corresponding to the parallel modules can be calculated conveniently, the accuracy of current calculation is improved, and the accuracy of current calculation is improved by calculating the module current corresponding to the parallel modules according to the bus current, the current parameters and the task consumption power. Therefore, the current sharing distribution method applied to the parallel mode of the digital power supply can improve the distribution efficiency of current sharing of the parallel mode of the digital power supply.

Fig. 2 is a functional block diagram of a current sharing distribution system applied to a parallel mode of a digital power supply according to an embodiment of the present invention.

The current sharing distribution system 100 applied to the parallel mode of the digital power supply can be installed in electronic equipment. Depending on the implementation, the current sharing distribution system 100 applied to the parallel mode of the digital power supply may include a data cleansing module 101, an offset data determining module 102, a model training module 103, and a data correction module 104. The module of the invention, which may also be referred to as a unit, refers to a series of computer program segments, which are stored in the memory of the electronic device, capable of being executed by the processor of the electronic device and of performing a fixed function.

In the present embodiment, the functions concerning the respective modules/units are as follows:

the attribute analysis module 101 is configured to obtain a digital power supply and a parallel module of a current to be distributed, query a digital control interface of the digital power supply, extract an interface parameter of each control interface in the digital control interfaces, and analyze an interface attribute of the digital control interface according to the interface parameter, where the analyzing the interface attribute of the digital control interface according to the interface parameter includes:

/>

wherein ,representing the character weight of each of the divided characters, and +.>Constant->I represents the segmentation character semantics and the sequence number of the segmentation character, r represents the number of segmentation characters, +.>Representing an ith segmentation character semantic pairWeight vector of response->Represents the weight vector corresponding to the i-th segmentation character,

the parameter confirmation module 102 is configured to query a module task of each of the parallel modules, calculate task power consumption of each of the parallel modules according to the module task, detect power data of each of the parallel modules, and confirm current power parameters of each of the parallel modules according to the power data;

The average current calculating module 103 is configured to calculate a module current corresponding to the parallel module according to the bus current, the current power parameter, and the task power consumption, and calculate an average module current corresponding to the parallel module according to the module current;

the current sharing distribution module 104 is configured to construct a current distribution link between each module in the parallel modules and the digital power supply according to the interface attribute, configure a virtual current regulator in the current distribution link, and execute current sharing distribution of the parallel modules by using the virtual current regulator according to the module current and the average module current.

In detail, each module in the current sharing distribution system 100 applied to the parallel mode of the digital power supply in the embodiment of the present application adopts the same technical means as the current sharing distribution method applied to the parallel mode of the digital power supply described in fig. 1, and can produce the same technical effects, which are not described herein.

Fig. 3 is a schematic structural diagram of an electronic device 1 for implementing a current sharing method applied to a parallel mode of a digital power supply according to an embodiment of the present application.

The electronic device 1 may comprise a processor 10, a memory 11, a communication bus 12 and a communication interface 13, and may further comprise a computer program stored in the memory 11 and executable on the processor 10, such as a current sharing distribution method program applied in a parallel mode of a digital power supply.

The processor 10 may be formed by an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, including one or more central processing units (Central Processing Unit, CPU), a microprocessor, a digital processing chip, a graphics processor, a combination of various control chips, and so on. The processor 10 is a Control Unit (Control Unit) of the electronic device 1, connects respective parts of the entire electronic device using various interfaces and lines, executes or executes programs or modules stored in the memory 11 (for example, executes a current sharing distribution method program applied to a digital power parallel mode, etc.), and invokes data stored in the memory 11 to perform various functions of the electronic device and process data.

The memory 11 includes at least one type of readable storage medium including flash memory, a removable hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 11 may in some embodiments be an internal storage unit of the electronic device, such as a mobile hard disk of the electronic device. The memory 11 may in other embodiments also be an external storage device of the electronic device, such as a plug-in mobile hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the electronic device. Further, the memory 11 may also include both an internal storage unit and an external storage device of the electronic device. The memory 11 may be used to store not only application software installed in an electronic device and various data, such as codes of a current sharing method program applied to a parallel mode of a digital power supply, but also temporarily store data that has been output or is to be output.

The communication bus 12 may be a peripheral component interconnect standard (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. The bus is arranged to enable a connection communication between the memory 11 and at least one processor 10 etc.

The communication interface 13 is used for communication between the electronic device 1 and other devices, including a network interface and a user interface. Optionally, the network interface may include a wired interface and/or a wireless interface (e.g., WI-FI interface, bluetooth interface, etc.), typically used to establish a communication connection between the electronic device and other electronic devices. The user interface may be a Display (Display), an input unit such as a Keyboard (Keyboard), or alternatively a standard wired interface, a wireless interface. Alternatively, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch, or the like. The display may also be referred to as a display screen or display unit, as appropriate, for displaying information processed in the electronic device and for displaying a visual user interface.

Fig. 3 shows only an electronic device with components, it being understood by a person skilled in the art that the structure shown in fig. 3 does not constitute a limitation of the electronic device 1, and may comprise fewer or more components than shown, or may combine certain components, or may be arranged in different components.

For example, although not shown, the electronic device 1 may further include a power source (such as a battery) for supplying power to the respective components, and preferably, the power source may be logically connected to the at least one processor 10 through a power management system, so as to perform functions of charge management, discharge management, and power consumption management through the power management system. The power supply may also include one or more of any of a direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like. The electronic device 1 may further include various sensors, bluetooth modules, wi-Fi modules, etc., which will not be described herein.

It should be understood that the embodiments described are for illustrative purposes only and are not limited to this configuration in the scope of the patent application.

The current sharing method program applied to the parallel mode of the digital power supply stored in the memory 11 in the electronic device 1 is a combination of a plurality of instructions, and when running in the processor 10, it can be implemented:

wherein ,representing the character weight of each of the divided characters, and +.>Constant->I represents segmentation character semantics and segmentationThe sequence number of the split character, r represents the number of split characters,/->Weight vector representing semantic correspondence of ith segmentation character,/->Representing the weight vector corresponding to the i-th segmentation character, is->

In particular, the specific implementation method of the above instructions by the processor 10 may refer to the description of the relevant steps in the corresponding embodiment of the drawings, which is not repeated herein.

Further, the modules/units integrated in the electronic device 1 may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as separate products. The computer readable storage medium may be volatile or nonvolatile. For example, the computer readable medium may include: any entity or system capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM).

The present invention also provides a computer readable storage medium storing a computer program which, when executed by a processor of an electronic device, can implement:

wherein ,representing the character weight of each of the divided characters, and +.>Constant->I represents the segmentation character semantics and the sequence number of the segmentation character, r represents the number of segmentation characters, +.>Weight vector representing semantic correspondence of ith segmentation character,/- >Represents the weight vector corresponding to the i-th segmentation character,

In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus, system and method may be implemented in other manners. For example, the system embodiments described above are merely illustrative, e.g., the division of the modules is merely a logical function division, and other manners of division may be implemented in practice.

The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional module in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units can be realized in a form of hardware or a form of hardware and a form of software functional modules.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.

The embodiment of the application can acquire and process the related data based on the artificial intelligence technology. Among these, artificial intelligence (Artificial Intelligence, AI) is the theory, method, technique and application system that uses a digital computer or a digital computer-controlled machine to simulate, extend and extend human intelligence, sense the environment, acquire knowledge and use knowledge to obtain optimal results.

Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. Multiple units or systems as set forth in the system claims may also be implemented by means of one unit or system in software or hardware. The terms first, second, etc. are used to denote a name, but not any particular order.

Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present application without departing from the spirit and scope of the technical solution of the present application.

Claims

1. The current sharing distribution method applied to the parallel mode of the digital power supply is characterized by comprising the following steps of:

calculating module current corresponding to the parallel module according to bus current, the current power parameter and the task consumption power, and calculating average module current corresponding to the parallel module according to the module current;

2. The current sharing method applied to the parallel mode of the digital power supply according to claim 1, wherein the calculating task power consumption of each of the parallel modules according to the module task comprises:

3. The current sharing method for a parallel mode of a digital power supply according to claim 1, wherein the determining the current power parameter of each of the parallel modules according to the power data comprises:

4. The current sharing method applied to the parallel mode of the digital power supply according to claim 3, wherein the calculating the image overlap ratio of the current power line diagram and the initial power line diagram includes:

wherein ,image overlap ratio of the current power line pattern and the initial power line pattern is represented, F represents a broken line length of the current power line pattern, G represents a broken line length of the initial power line pattern, j represents a starting point sequence number of a broken line in the current power line pattern and the initial power line pattern, and + >Representing the current power line diagram at +.>Position-corresponding polyline slope, ++>Representing the initial power line diagram at +.>The slope of the polyline corresponding to the position.

5. The current sharing method applied to the parallel mode of the digital power supply according to claim 3, wherein the calculating the loss coefficient of each module in the parallel modules according to the image overlap ratio comprises:

wherein ,representing the loss factor of the a-th module in the parallel modules, a representing the mode of the parallel modulesBlock sequence, q represents the number of modules of the parallel module,/->Indicating the period of use of the a-th module in the parallel modules,/->Represents the corresponding breakage rate of the a-th module in the parallel modules when the service period is T,/for the parallel modules>Representing the pattern overlap of the a-th module in the parallel modules,representing the health of each module in the parallel.

6. The current sharing method applied to the parallel mode of the digital power supply according to claim 1, wherein the calculating the module current corresponding to the parallel module according to the bus current, the current power parameter and the task power consumption includes:

7. The current sharing method applied to the parallel mode of the digital power supply according to claim 1, wherein the calculating the average module current corresponding to the parallel module according to the module current includes:

8. The current sharing method for the parallel mode of the digital power supply according to claim 7, wherein the calculating the loss current of each line in the connection line according to the line heat value to obtain the line loss current comprises:

9. The current sharing method applied to the parallel mode of the digital power supply according to claim 1, wherein the constructing a current sharing link between each of the parallel modules and the digital power supply according to the interface attribute includes:

10. A current sharing distribution system applied to a parallel mode of a digital power supply, the system comprising: