CN116155081B - Overload adjustment method and device based on multiport power adapter - Google Patents

Overload adjustment method and device based on multiport power adapter Download PDF

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CN116155081B
CN116155081B CN202310440818.4A CN202310440818A CN116155081B CN 116155081 B CN116155081 B CN 116155081B CN 202310440818 A CN202310440818 A CN 202310440818A CN 116155081 B CN116155081 B CN 116155081B
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current
power adapter
overload
power
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CN116155081A (en
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李星
李辉
李小臣
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Shenzhen Abp Technology Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/14—Details of searching files based on file metadata
    • G06F16/148—File search processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/30—Semantic analysis
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The invention relates to the field of intelligent Internet of things, and discloses an overload adjustment method and device based on a multiport power adapter, wherein the overload adjustment method and device comprises the following steps: acquiring the current temperature of the started multiport power adapter and equipment thereof, identifying the type of the multiport power adapter, and extracting adapter data corresponding to the type of the multiport power adapter; judging the temperature mode of the multiport power adapter according to the current temperature of the equipment and the adapter data; judging a current mode of the multi-port power adapter when the temperature mode is in an abnormal temperature mode; when the current mode is in the abnormal current mode, identifying a using port of the multi-port power adapter according to the adapter data, and calculating port power of the using port; and determining an idle port and an overload port in the used ports based on the port power, and performing current adjustment of the multi-port power adapter according to the idle port and the overload port to obtain a current adjustment result. The invention can improve the working intelligence of the multiport power adapter.

Description

Overload adjustment method and device based on multiport power adapter
Technical Field
The invention relates to the field of intelligent Internet of things, in particular to an overload adjustment method and device based on a multiport power adapter.
Background
The multiport Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances with multiple communication interfaces, and generally consists of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB (printed circuit board) and the like, and the working principle of the multiport Power adapter is that the Power supply conversion device is converted from alternating current input to direct current output. In daily life, the multi-port power adapter often faces the problem of current overload in use, so that the multi-port power adapter is damaged due to overload and cannot work normally.
At present, aiming at the current overload problem of the multi-port power adapter, a unified rated current is set in a relay or a breaker, and when the current of the multi-port power adapter exceeds the rated current, the power supply is cut off to realize the protection of the multi-port power adapter, so that the overload current cannot be intelligently regulated according to the port state, and the working intelligence of the multi-port power adapter is greatly reduced.
Disclosure of Invention
The invention provides an overload adjusting method and device based on a multi-port power adapter, and mainly aims to improve the working intelligence of the multi-port power adapter.
In order to achieve the above object, the present invention provides an overload adjustment method based on a multiport power adapter, including:
acquiring the current temperature of a started multiport power adapter and equipment thereof, identifying the type of the multiport power adapter, and extracting a temperature threshold value, rated current and port data corresponding to the type of the multiport power adapter;
judging a temperature mode of the multiport power adapter according to the current temperature of the equipment and the temperature threshold;
detecting the current of the multi-port power adapter when the temperature mode is in an abnormal temperature mode, and calculating the current difference value between the current and the rated current according to the rated current;
judging a current mode of the multi-port power adapter based on the current difference value;
when the current mode is in an abnormal current mode, identifying a use port of the multi-port power adapter according to the port data, acquiring port current of the use port, and calculating port power of the use port according to the port current;
and determining an idle port and an overload port in the using ports based on the port power, and executing current adjustment of the multi-port power adapter according to the idle port and the overload port to obtain a current adjustment result of the multi-port power adapter.
Optionally, the identifying the adapter model of the multi-port power adapter includes:
acquiring equipment related files of the multiport power adapter, and inquiring attribute list files from the equipment related files;
acquiring an attribute list of the attribute list file, and identifying an attribute key and an attribute value of the attribute list;
identifying model semantic attributes of the multiport power adapter, and inquiring the attribute keys matched with the model semantic attributes according to the model semantic attributes to obtain matched model keys;
and inquiring the attribute value corresponding to the matching model key to obtain a matching attribute value, and determining the adapter model according to the matching attribute value.
Optionally, the extracting the temperature threshold, the rated current and the port data corresponding to the adapter model includes:
acquiring a power adapter corresponding to the adapter model, and identifying an Internet of things cloud end where the power adapter is located so as to inquire a model data mapping table corresponding to the adapter model in the Internet of things cloud end;
inquiring cloud temperature attributes, cloud current attributes and cloud port attributes corresponding to the adapter model in the model data mapping table;
And inquiring the temperature threshold value, the rated current and the port data corresponding to the model data mapping table according to the cloud temperature attribute, the cloud current attribute and the cloud port attribute.
Optionally, the detecting the present current of the multi-port power adapter includes:
identifying internal components and element circuit relationships of the multiport power adapter;
constructing a circuit structure diagram of the multi-port power adapter according to the circuit relation between the internal components and the components;
identifying a current main circuit structure diagram of the circuit structure diagram, screening current measurement points in the current main circuit structure diagram, and performing current measurement on the current measurement points to obtain a current value of the measurement points;
and calculating a current average value of the current value of the measuring point, and determining the current of the multi-port power adapter according to the current average value.
Optionally, the constructing a circuit structure diagram of the multiport power adapter according to the internal component and the component circuit relationship includes:
mapping the internal components into corresponding circuit symbols by using a preset circuit symbol mapping relation;
Constructing a circuit schematic diagram of the multi-port power adapter according to the circuit symbol and the circuit relation of the components;
and identifying the packaging information of the internal components, and constructing a circuit structure diagram of the multi-port power adapter based on the packaging information and the circuit schematic diagram.
Optionally, the identifying the usage port of the multi-port power adapter according to the port data includes:
identifying the port type and the port number in the port data, and searching the corresponding adapter port in the multi-port power adapter according to the port type and the port number;
and recording the port level change of the adapter port in the power-off reconnection process of the multi-port power adapter, and determining a rising edge port corresponding to the port level change as the using port when the rising edge occurs to the port level change.
Optionally, the determining, based on the port power, an idle port and an overload port in the used ports includes:
constructing a power change curve of the using port at preset time;
identifying a curve power value corresponding to the power change curve, and determining the use port corresponding to the curve power value as the idle port when the curve power value is smaller than a preset power value;
And obtaining the port current corresponding to the port power, calculating the maximum port current of the port current, and determining the overload port according to the maximum port current.
Optionally, the constructing the power variation curve of the use port at a preset time includes:
uniformly selecting the time power point pairs of the using ports within preset time;
constructing a power fitting curve of the using port by utilizing a least square method according to the time power point pair;
and determining the power change curve according to the power fitting curve.
Optionally, the performing current adjustment of the multi-port power adapter according to the idle port and the overload port to obtain a current adjustment result of the multi-port power adapter includes:
closing the empty load port when the port of the multi-port power adapter is the empty load port, so as to execute current adjustment of the multi-port power adapter;
when the port of the multi-port power adapter is an overload port, inquiring the maximum port current and rated current of the multi-port power adapter, and calculating the current overload proportion of the overload port according to the maximum port current and the rated current by using the following formula:
Figure SMS_1
The method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>
Figure SMS_2
Indicating the current overload ratio of the overload port, +.>
Figure SMS_3
Indicating maximum port current, +.>
Figure SMS_4
Indicating the rated current;
and reducing the port current of the overload port according to the current overload proportion so as to execute current adjustment of the multi-port power adapter.
In order to solve the above problems, the present invention further provides an overload adjustment apparatus based on a multiport power adapter, the apparatus comprising:
the adapter data extraction module is used for acquiring the current temperature of the started multiport power adapter and equipment thereof, identifying the adapter model of the multiport power adapter and extracting the temperature threshold value, rated current and port data corresponding to the adapter model;
the temperature mode judging module is used for judging the temperature mode of the multi-port power adapter according to the current temperature of the equipment and the temperature threshold value;
the current difference calculation module is used for detecting the current of the multi-port power adapter when the temperature mode is in an abnormal temperature mode, and calculating the current difference between the current and the rated current according to the rated current;
the current mode judging module is used for judging the current mode of the multi-port power adapter based on the current difference value;
The port power calculation module is used for identifying a use port of the multi-port power adapter according to the port data when the current mode is in an abnormal current mode, acquiring port current of the use port and calculating port power of the use port according to the port current;
and the current adjustment execution module is used for determining an idle port and an overload port in the using ports based on the port power, and executing current adjustment of the multi-port power adapter according to the idle port and the overload port to obtain a current adjustment result of the multi-port power adapter.
It can be seen that, in the embodiment of the present invention, a research object and an object temperature can be determined by acquiring the started multi-port power adapter and the current temperature of the equipment thereof, identifying the adapter model of the multi-port power adapter can provide a premise for determining a temperature mode and a current mode for subsequent calculation, extracting a temperature threshold value, a rated current and port data corresponding to the adapter model, determining an inherent attribute and a preset threshold value of the multi-port power adapter corresponding to the adapter model, and determining the current temperature mode state of the multi-port power adapter by judging the temperature mode of the multi-port power adapter according to the current temperature of the equipment and the temperature threshold value, so as to be used as a first judgment condition for subsequent overload adjustment; secondly, when the temperature mode is in an abnormal temperature mode, the embodiment of the invention detects the current of the multi-port power adapter to provide a basic data source for the subsequent judgment of the current mode, calculates the current difference value between the current and the rated current according to the rated current to determine the basic data basis for judging the subsequent current mode, and judges the current mode of the multi-port power adapter to determine the current mode state of the multi-port power adapter based on the current difference value to be used as a second judgment condition for the subsequent overload adjustment; further, in the embodiment of the present invention, when the current mode is in the abnormal current mode, a specific use port in the multi-port power adapter may be determined by identifying the use port of the multi-port power adapter according to the port data, so as to provide a limited range for subsequent determination of the overload port and the idle port, obtain a port current of the use port as a judgment premise of the idle port and the overload port, calculate a port power of the use port according to the port current, obtain judgment data of the idle port, and determine the idle port and the idle port in the multi-port power adapter based on the port power, so as to execute a corresponding current adjustment strategy for subsequent execution, execute current adjustment of the multi-port power adapter according to the idle port and the overload port, obtain a final current adjustment result of the multi-port power adapter, so as to execute the corresponding current adjustment strategy according to the port state intelligent self-adaptation, thereby improving the working efficiency of the multi-port power adapter. Therefore, the overload adjusting method and device based on the multi-port power adapter can improve the working intelligence of the multi-port power adapter.
Drawings
Fig. 1 is a flow chart of an overload adjustment method based on a multiport power adapter according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an overload adjustment apparatus based on a multiport power adapter according to an embodiment of the present invention.
The achievement of the objects, functional features and advantages of the present invention 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 invention.
The embodiment of the invention provides an overload adjustment method based on a multiport power adapter. The execution subject of the overload adjustment method based on the multiport power adapter 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 invention. In other words, the overload adjustment method based on the multi-port power adapter may be performed by software or hardware installed in a terminal device or a server device, and 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 an overload adjustment method based on a multiport power adapter according to an embodiment of the present invention is shown. In an embodiment of the present invention, the overload adjustment method based on the multiport power adapter includes:
s1, acquiring the current temperature of the started multi-port power adapter and equipment thereof, identifying the adapter model of the multi-port power adapter, and extracting a temperature threshold value, rated current and port data corresponding to the adapter model.
In the embodiment of the invention, the multiport Power adapter refers to a multiport Power adapter (Power adapter) which refers to a small portable electronic device with a plurality of communication interfaces and a Power supply conversion device of an electronic appliance, generally consists of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB (printed circuit board) and the like, the working principle of the multiport Power adapter is that alternating current input is converted into direct current output, the direct current output can be obtained through a data script, and the data script can be compiled through JS script language. The current temperature of the device may be obtained by using a temperature sensor when a steady state operation state is reached for the multiport power adapter.
Further, the embodiment of the invention can provide a premise for the subsequent calculation of the temperature mode and the current mode by identifying the type of the multi-port power adapter. The adapter model is a series of indexes reflecting commodity properties, performances, quality and the like, and is generally composed of a group of letters and numbers with a certain rule number, and comprises brands, manufacturers, input and output voltages, passing certification, conforming to standards and the like.
Further, as an alternative embodiment of the present invention, the identifying the adapter model of the multi-port power adapter includes: acquiring equipment related files of the multiport power adapter, and inquiring attribute list files from the equipment related files; acquiring an attribute list of the attribute list file, and identifying an attribute key and an attribute value of the attribute list; identifying model semantic attributes of the multiport power adapter, and inquiring the attribute keys matched with the model semantic attributes according to the model semantic attributes to obtain matched model keys; and inquiring the attribute value corresponding to the matching model key to obtain a matching attribute value, and determining the adapter model according to the matching attribute value.
Wherein, the attribute list stores a plurality of data related to the attribute in a data object, takes a form as a container, and loads a form of text or a chart.
Optionally, the obtaining the attribute list of the attribute list file may all be obtained through a data script, and the data script may be compiled through a JS script language. The querying of the property list file from the device-related file may be performed by querying according to file name semantics of the device-related file.
Optionally, the identifying the model semantic attribute of the multiport power adapter may be performed by performing semantic extraction identification on the model attribute of the multiport power adapter, where the semantic extraction may be implemented by TFIDF algorithm, textRank algorithm, keyBert algorithm, and the like.
Further, the embodiment of the invention can determine the inherent attribute and the preset threshold value of the multi-port power adapter corresponding to the adapter model by extracting the temperature threshold value, the rated current and the port data corresponding to the adapter model.
Further, as an optional embodiment of the present invention, the extracting the temperature threshold, the rated current, and the port data corresponding to the adapter model includes: acquiring a power adapter corresponding to the adapter model, and identifying an Internet of things cloud end where the power adapter is located so as to inquire a model data mapping table corresponding to the adapter model in the Internet of things cloud end; inquiring cloud temperature attributes, cloud current attributes and cloud port attributes corresponding to the adapter model in the model data mapping table; and inquiring the temperature threshold value, the rated current and the port data corresponding to the model data mapping table according to the cloud temperature attribute, the cloud current attribute and the cloud port attribute.
Optionally, the semantic extraction is performed on the temperature threshold, the rated current and the port data, so that temperature semantic information, current semantic information and port semantic information can be obtained through a TF-IDF keyword extraction algorithm, a jieba and information gain keyword extraction algorithm and the like.
S2, judging the temperature mode of the multi-port power adapter according to the current temperature of the equipment and the temperature threshold value.
According to the embodiment of the invention, the current temperature mode state of the multi-port power adapter can be determined by judging the temperature mode of the multi-port power adapter according to the current temperature of the equipment and the temperature threshold value, so that the current temperature mode state can be used as a first judging condition for subsequent overload adjustment.
The temperature threshold is a critical value of a minimum temperature value or a maximum temperature value which can be generated by an effect, and can be set to 30 ℃ or can be set through an actual business scene. The temperature mode refers to a temperature state of whether the multi-port power adapter accords with a standard mode of an expected temperature range, and comprises a normal temperature mode and an abnormal temperature mode, wherein the abnormal temperature mode can set different grades of temperature thresholds according to an actual service scene to set corresponding abnormal temperature modes such as a high-temperature mode, a medium-temperature mode, a low-temperature mode and the like.
Further, as an optional embodiment of the present invention, the determining the temperature mode of the multi-port power adapter according to the current temperature of the device and the temperature threshold includes: calculating a temperature difference value between the current temperature of the equipment and the temperature threshold according to the current temperature of the equipment and the temperature threshold; when the temperature difference is larger than a preset difference threshold, judging that the multi-port power adapter is in an abnormal temperature mode; and when the temperature difference is not greater than a preset difference threshold, judging that the multi-port power adapter is in a normal temperature mode.
The preset difference threshold is a preset critical value for determining the magnitude relation between the current temperature book and the temperature threshold, and may be generally set to 0.
Alternatively, the calculating the temperature difference between the current temperature of the device and the temperature threshold according to the current temperature of the device and the temperature threshold may be calculated by a differential algorithm.
S3, when the temperature mode is in an abnormal temperature mode, detecting the current of the multi-port power adapter, and calculating a current difference value between the current and the rated current according to the rated current.
According to the embodiment of the invention, when the temperature mode is in the abnormal temperature mode, the current of the multi-port power adapter is detected, so that a basic data source can be provided for the follow-up judgment of the current mode.
Further, as an alternative embodiment of the present invention, the detecting the present current of the multi-port power adapter includes: identifying internal components and element circuit relationships of the multiport power adapter; constructing a circuit structure diagram of the multi-port power adapter according to the circuit relation between the internal components and the components; identifying a current main circuit structure diagram of the circuit structure diagram, screening current measurement points in the current main circuit structure diagram, and performing current measurement on the current measurement points to obtain a current value of the measurement points; and calculating a current average value of the current value of the measuring point, and determining the current of the multi-port power adapter according to the current average value.
The internal components are electronic component names in the electric equipment, and comprise resistors, capacitors, inductors, transistors, diodes and the like. The component circuit relation refers to a connection mode between electronic components, such as series connection, parallel connection, series-parallel connection and the like. The circuit configuration diagram refers to a diagram in which circuit connections are represented by circuit element symbols. The current main circuit structure diagram refers to a simplified circuit diagram of a current flowing to a main circuit. The current measurement point refers to an electrical connection point for measuring current.
Optionally, the constructing a circuit structure diagram of the multiport power adapter according to the internal component and the component circuit relationship includes: mapping the internal components into corresponding circuit symbols by using a preset circuit symbol mapping relation; constructing a circuit schematic diagram of the multi-port power adapter according to the circuit symbol and the circuit relation of the components; and identifying the packaging information of the internal components, and constructing a circuit structure diagram of the multi-port power adapter based on the packaging information and the circuit schematic diagram.
Wherein, the circuit symbol mapping relation refers to the corresponding relation between the electrical equipment or the component and the graphic symbol. The circuit symbol refers to a graphic symbol corresponding to an electrical device or component. The schematic circuit diagram is a diagram in which circuit symbols are connected to each other to reflect the electrical connection condition of each component. The package information refers to information describing the shape and size of the element, the arrangement and distribution of the pins, and the like.
Alternatively, the identifying the current main circuit structure diagram of the circuit structure diagram may be implemented by extracting a simplified diagram of the circuit structure diagram from a main direction of a current flow. The screening of the current measurement points in the current main circuit structure diagram can be achieved by identifying connection components of the current main circuit structure diagram and selecting two ends of all the connection components as the current measurement points.
Optionally, the current measurement is performed on the current measurement point, and the obtained current value of the measurement point can be measured by a current sensor, an optical fiber current sensor, mutual inductance detection and other methods.
Further, according to the embodiment of the invention, the basis data for judging the subsequent current mode can be determined by calculating the current difference value between the current and the rated current according to the rated current. And calculating a current difference value between the current and the rated current according to the rated current through a differential algorithm.
And S4, judging the current mode of the multi-port power adapter based on the current difference value.
According to the embodiment of the invention, the current mode of the multi-port power adapter is judged based on the current difference value, so that the current mode state of the multi-port power adapter can be determined to be used as a second judgment condition for subsequent overload adjustment.
The current mode refers to a current state of whether the multiport power adapter accords with a standard style of an expected current range, and the multiport power adapter comprises a normal current mode and an abnormal current mode, wherein the abnormal current mode can be used for setting corresponding abnormal current modes such as a high current overload mode, a medium current overload mode, a low current overload mode and the like by calculating a ratio of a current difference value to a rated current and setting current thresholds of different grades according to an actual service scene.
Further, as an optional embodiment of the present invention, the determining a current mode of the multi-port power adapter based on the current difference value includes: when the current difference value is larger than a preset current threshold value, judging that the multi-port power adapter is in an abnormal current mode; and when the current difference value is not larger than a preset current threshold value, judging that the multi-port power adapter is in a normal current mode.
The preset current threshold is a preset threshold value of a minimum current value or a maximum current value which can be generated by an effect, and is usually set to 0 in the invention.
And S5, when the current mode is in an abnormal current mode, identifying a use port of the multi-port power adapter according to the port data, acquiring port current of the use port, and calculating port power of the use port according to the port current.
According to the embodiment of the invention, when the current mode is in the abnormal current mode, the specific use port in the multi-port power adapter can be determined by identifying the use port of the multi-port power adapter according to the port data, so that a limited range is provided for the follow-up determination of the overload port and the idle port.
Further, as an optional embodiment of the present invention, the identifying the usage port of the multi-port power adapter according to the port data includes: identifying the port type and the port number in the port data, and searching the corresponding adapter port in the multi-port power adapter according to the port type and the port number; and recording the port level change of the adapter port in the power-off reconnection process of the multi-port power adapter, and determining a rising edge port corresponding to the port level change as the using port when the rising edge occurs to the port level change.
The rising edge is the moment (time) when the digital level changes from the low level (digital "0") to the high level (digital "1") in the digital circuit.
Further, in the embodiment of the present invention, by acquiring the port current of the used port, the port current may be acquired by a current sensor as a precondition for determining an idle port and an overload port.
Further, according to the embodiment of the invention, the judgment data of the idle port can be obtained by calculating the port power of the using port according to the port current.
Further, as an optional embodiment of the present invention, the calculating the port power of the using port according to the port current includes:
acquiring the port resistance of the used port, and calculating the port power of the used port according to the port resistance and the port current by using the following formula:
Figure SMS_5
the method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>
Figure SMS_6
Representing port power,/->
Figure SMS_7
Representing the port current, +.>
Figure SMS_8
Representing the port resistance.
S6, determining an idle port and an overload port in the used ports based on the port power, and executing current adjustment of the multi-port power adapter according to the idle port and the overload port to obtain a current adjustment result of the multi-port power adapter.
According to the embodiment of the invention, the overload port and the idle port in the multi-port power adapter can be determined by determining the idle port and the overload port in the using port based on the port power, so that a corresponding current adjustment strategy is executed for the follow-up.
Further, as an optional embodiment of the present invention, the determining, based on the port power, an idle port and an overload port of the used ports includes: constructing a power change curve of the using port at preset time; identifying a curve power value corresponding to the power change curve, and determining the use port corresponding to the curve power value as the idle port when the curve power value is smaller than a preset power value; and obtaining the port current corresponding to the port power, calculating the maximum port current of the port current, and determining the overload port according to the maximum port current.
The preset time is a preset fixed time, and can be set to 60 seconds or set according to actual application scenes. The preset power value refers to the work done by preset current in unit time.
Optionally, the constructing the power variation curve of the use port at a preset time includes: uniformly selecting the time power point pairs of the using ports within preset time; constructing a power fitting curve of the using port by utilizing a least square method according to the time power point pair; and determining the power change curve according to the power fitting curve.
Further, according to the embodiment of the invention, the final current adjustment result of the multi-port power adapter can be obtained by executing the current adjustment of the multi-port power adapter according to the idle port and the overload port, so that the corresponding current adjustment strategy is intelligently and adaptively executed according to the port state, and the working intelligence of the multi-port power adapter is improved.
Further, as an optional embodiment of the present invention, the performing current adjustment of the multi-port power adapter according to the idle port and the overload port, to obtain a current adjustment result of the multi-port power adapter includes:
Closing the empty load port when the port of the multi-port power adapter is the empty load port, so as to execute current adjustment of the multi-port power adapter;
when the port of the multi-port power adapter is an overload port, inquiring the maximum port current and rated current of the multi-port power adapter according to the overload portAnd calculating the current overload proportion of the overload port by using the maximum port current and the rated current according to the following formula:
Figure SMS_9
the method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>
Figure SMS_10
Indicating the current overload ratio of the overload port, +.>
Figure SMS_11
Indicating maximum port current, +.>
Figure SMS_12
Indicating the rated current;
and reducing the port current of the overload port according to the current overload proportion so as to execute current adjustment of the multi-port power adapter.
It can be seen that, in the embodiment of the present invention, a research object and an object temperature can be determined by acquiring the started multi-port power adapter and the current temperature of the equipment thereof, identifying the adapter model of the multi-port power adapter can provide a premise for determining a temperature mode and a current mode for subsequent calculation, extracting a temperature threshold value, a rated current and port data corresponding to the adapter model, determining an inherent attribute and a preset threshold value of the multi-port power adapter corresponding to the adapter model, and determining the current temperature mode state of the multi-port power adapter by judging the temperature mode of the multi-port power adapter according to the current temperature of the equipment and the temperature threshold value, so as to be used as a first judgment condition for subsequent overload adjustment; secondly, when the temperature mode is in an abnormal temperature mode, the embodiment of the invention detects the current of the multi-port power adapter to provide a basic data source for the subsequent judgment of the current mode, calculates the current difference value between the current and the rated current according to the rated current to determine the basic data basis for judging the subsequent current mode, and judges the current mode of the multi-port power adapter to determine the current mode state of the multi-port power adapter based on the current difference value to be used as a second judgment condition for the subsequent overload adjustment; further, in the embodiment of the present invention, when the current mode is in the abnormal current mode, a specific use port in the multi-port power adapter may be determined by identifying the use port of the multi-port power adapter according to the port data, so as to provide a limited range for subsequent determination of the overload port and the idle port, obtain a port current of the use port as a judgment premise of the idle port and the overload port, calculate a port power of the use port according to the port current, obtain judgment data of the idle port, and determine the idle port and the idle port in the multi-port power adapter based on the port power, so as to execute a corresponding current adjustment strategy for subsequent execution, execute current adjustment of the multi-port power adapter according to the idle port and the overload port, obtain a final current adjustment result of the multi-port power adapter, so as to execute the corresponding current adjustment strategy according to the port state intelligent self-adaptation, thereby improving the working efficiency of the multi-port power adapter. Therefore, the overload adjusting method and device based on the multi-port power adapter can improve the working intelligence of the multi-port power adapter.
As shown in fig. 2, a functional block diagram of an overload adjustment apparatus based on a multiport power adapter in accordance with the present invention.
The overload adjustment apparatus 100 based on the multi-port power adapter of the present invention may be installed in an electronic device. Depending on the implemented functions, the overload adjustment device based on the multiport power adapter may include an adapter data extraction module 101, a temperature mode determination module 102, a current difference calculation module 103, a current mode determination module 104, a port power calculation module 105, and a current adjustment execution module 106. The module according to 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 adapter data extraction module 101 is configured to obtain a current temperature of a started multiport power adapter and equipment thereof, identify an adapter model of the multiport power adapter, and extract a temperature threshold value, a rated current and port data corresponding to the adapter model;
the temperature mode judging module 102 is configured to judge a temperature mode of the multiport power adapter according to a current temperature of the device and the temperature threshold;
The current difference calculation module 103 is configured to detect a current of the multi-port power adapter when the temperature mode is in an abnormal temperature mode, and calculate a current difference between the current and the rated current according to the rated current;
the current mode determining module 104 is configured to determine a current mode of the multi-port power adapter based on the current difference value;
the port power calculation module 105 is configured to identify a port used by the multi-port power adapter according to the port data when the current mode is in an abnormal current mode, obtain a port current of the port used, and calculate a port power of the port used according to the port current;
the current adjustment execution module 106 is configured to determine an idle port and an overload port in the used ports based on the port power, and execute current adjustment of the multi-port power adapter according to the idle port and the overload port, so as to obtain a current adjustment result of the multi-port power adapter.
In detail, the modules in the overload adjustment apparatus 100 based on a multiport power adapter in the embodiment of the present invention use the same technical means as the overload adjustment method based on a multiport power adapter described in fig. 1, and can generate the same technical effects, which are not described herein.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of division when actually implemented.
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 invention 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 invention 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. The terms 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 invention and not for limiting the same, and although the present invention 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 invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (7)

1. A method for overload adjustment based on a multiport power adapter, the method comprising:
acquiring the current temperature of a started multiport power adapter and equipment thereof, identifying the type of the multiport power adapter, and extracting a temperature threshold value, rated current and port data corresponding to the type of the multiport power adapter;
judging a temperature mode of the multiport power adapter according to the current temperature of the equipment and the temperature threshold;
detecting the current of the multi-port power adapter when the temperature mode is in an abnormal temperature mode, and calculating the current difference value between the current and the rated current according to the rated current;
judging a current mode of the multi-port power adapter based on the current difference value;
when the current mode is in an abnormal current mode, identifying a use port of the multi-port power adapter according to the port data, acquiring port current of the use port, and calculating port power of the use port according to the port current;
uniformly selecting a time power point pair of the used port within preset time, constructing a power fitting curve of the used port by utilizing a least square method according to the time power point pair, determining a power change curve of the used port according to the power fitting curve, identifying a curve power value corresponding to the power change curve, determining the used port corresponding to the curve power value as an idle port when the curve power value is smaller than the preset power value, acquiring a port current corresponding to the port power, calculating the maximum port current of the port current, and determining an overload port in the used port according to the maximum port current;
When the port of the multi-port power adapter is the idle port, closing the idle port to execute current adjustment of the multi-port power adapter, and when the port of the multi-port power adapter is the overload port, inquiring the maximum port current and rated current of the multi-port power adapter, and calculating the current overload proportion of the overload port according to the maximum port current and the rated current by using the following formula:
Figure QLYQS_1
the method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>
Figure QLYQS_2
Indicating the current overload ratio of the overload port, +.>
Figure QLYQS_3
Indicating maximum port current, +.>
Figure QLYQS_4
Indicating the rated current of the current-carrying member,
and reducing the port current of the overload port according to the current overload proportion so as to execute current adjustment of the multi-port power adapter.
2. The multi-port power adapter based overload adjustment method of claim 1, wherein the identifying the adapter model of the multi-port power adapter comprises:
acquiring equipment related files of the multiport power adapter, and inquiring attribute list files from the equipment related files;
acquiring an attribute list of the attribute list file, and identifying an attribute key and an attribute value of the attribute list;
Identifying model semantic attributes of the multiport power adapter, and inquiring the attribute keys matched with the model semantic attributes according to the model semantic attributes to obtain matched model keys;
and inquiring the attribute value corresponding to the matching model key to obtain a matching attribute value, and determining the adapter model according to the matching attribute value.
3. The method for adjusting overload based on a multi-port power adapter according to claim 1, wherein said extracting the temperature threshold, the rated current and the port data corresponding to the adapter model comprises:
acquiring a power adapter corresponding to the adapter model, and identifying an Internet of things cloud end where the power adapter is located so as to inquire a model data mapping table corresponding to the adapter model in the Internet of things cloud end;
inquiring cloud temperature attributes, cloud current attributes and cloud port attributes corresponding to the adapter model in the model data mapping table;
and inquiring the temperature threshold value, the rated current and the port data corresponding to the model data mapping table according to the cloud temperature attribute, the cloud current attribute and the cloud port attribute.
4. The multi-port power adapter based overload adjustment method of claim 1, wherein the detecting the present current of the multi-port power adapter comprises:
identifying internal components and element circuit relationships of the multiport power adapter;
constructing a circuit structure diagram of the multi-port power adapter according to the circuit relation between the internal components and the components;
identifying a current main circuit structure diagram of the circuit structure diagram, screening current measurement points in the current main circuit structure diagram, and performing current measurement on the current measurement points to obtain a current value of the measurement points;
and calculating a current average value of the current value of the measuring point, and determining the current of the multi-port power adapter according to the current average value.
5. The overload adjustment method for a multi-port power adapter as claimed in claim 4, wherein said constructing a circuit configuration diagram of said multi-port power adapter based on said internal component and said component circuit relationship comprises:
mapping the internal components into corresponding circuit symbols by using a preset circuit symbol mapping relation;
constructing a circuit schematic diagram of the multi-port power adapter according to the circuit symbol and the circuit relation of the components;
And identifying the packaging information of the internal components, and constructing a circuit structure diagram of the multi-port power adapter based on the packaging information and the circuit schematic diagram.
6. The multi-port power adapter based overload adjustment method of claim 1, wherein the identifying the usage port of the multi-port power adapter based on the port data comprises:
identifying the port type and the port number in the port data, and searching the corresponding adapter port in the multi-port power adapter according to the port type and the port number;
and recording the port level change of the adapter port in the power-off reconnection process of the multi-port power adapter, and determining a rising edge port corresponding to the port level change as the using port when the rising edge occurs to the port level change.
7. An overload adjustment apparatus based on a multiport power adapter, the apparatus comprising:
the adapter data extraction module is used for acquiring the current temperature of the started multiport power adapter and equipment thereof, identifying the adapter model of the multiport power adapter and extracting the temperature threshold value, rated current and port data corresponding to the adapter model;
The temperature mode judging module is used for judging the temperature mode of the multi-port power adapter according to the current temperature of the equipment and the temperature threshold value;
the current difference calculation module is used for detecting the current of the multi-port power adapter when the temperature mode is in an abnormal temperature mode, and calculating the current difference between the current and the rated current according to the rated current;
the current mode judging module is used for judging the current mode of the multi-port power adapter based on the current difference value;
the port power calculation module is used for identifying a use port of the multi-port power adapter according to the port data when the current mode is in an abnormal current mode, acquiring port current of the use port and calculating port power of the use port according to the port current;
the air overload port determining module is used for uniformly selecting a time power point pair of the used port within a preset time, constructing a power fitting curve of the used port by utilizing a least square method according to the time power point pair, determining a power change curve of the used port according to the power fitting curve, identifying a curve power value corresponding to the power change curve, determining the used port corresponding to the curve power value as an idle port when the curve power value is smaller than a preset power value, acquiring a port current corresponding to the port power, calculating a maximum port current of the port current, and determining an overload port in the used port according to the maximum port current;
The current adjustment execution module is used for closing the idle port when the port of the multi-port power adapter is the idle port so as to execute current adjustment of the multi-port power adapter, inquiring the maximum port current and rated current of the multi-port power adapter when the port of the multi-port power adapter is the overload port, and calculating the current overload proportion of the overload port according to the maximum port current and the rated current by using the following formula:
Figure QLYQS_5
the method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>
Figure QLYQS_6
Indicating the current overload ratio of the overload port, +.>
Figure QLYQS_7
Indicating maximum port current, +.>
Figure QLYQS_8
Indicating the rated current of the current-carrying member,
and reducing the port current of the overload port according to the current overload proportion so as to execute current adjustment of the multi-port power adapter.
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