CN113541274A - Bidirectional charging control method and device and computer equipment - Google Patents

Bidirectional charging control method and device and computer equipment Download PDF

Info

Publication number
CN113541274A
CN113541274A CN202111076683.5A CN202111076683A CN113541274A CN 113541274 A CN113541274 A CN 113541274A CN 202111076683 A CN202111076683 A CN 202111076683A CN 113541274 A CN113541274 A CN 113541274A
Authority
CN
China
Prior art keywords
charging
power supply
battery voltage
equipment
voltage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111076683.5A
Other languages
Chinese (zh)
Inventor
郑勇
蒋壮
姚江潮
王文祺
戴志涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Waterward Information Co Ltd
Original Assignee
Shenzhen Waterward Information Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Waterward Information Co Ltd filed Critical Shenzhen Waterward Information Co Ltd
Priority to CN202111076683.5A priority Critical patent/CN113541274A/en
Publication of CN113541274A publication Critical patent/CN113541274A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00034Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/00712Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/342The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/30Charge provided using DC bus or data bus of a computer
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The application provides a control method and device for bidirectional charging and computer equipment, which are applied to intelligent equipment. When the power supply equipment charges the charging equipment, corresponding voltage reduction or voltage boosting can be carried out on the charging voltage according to the battery voltage between the charging equipment and the charging equipment, so that the charging safety between the charging equipment and the charging equipment is ensured, a user can select any one type of intelligent equipment as the power supply equipment according to actual needs, and the other type of intelligent equipment as the charging equipment, so that bidirectional charging is realized.

Description

Bidirectional charging control method and device and computer equipment
Technical Field
The present disclosure relates to the field of charging control technologies, and in particular, to a method and an apparatus for controlling bidirectional charging, and a computer device.
Background
Two smart devices of current different grade type, for example notebook computer and smart mobile phone, because the battery voltage difference between the two, therefore can't realize two-way charging between two smart devices, bring a lot of inconveniences for carrying when the user of polymorphic type goes on a journey.
Disclosure of Invention
The application mainly aims to provide a bidirectional charging control method and device and computer equipment, and aims to overcome the defect that bidirectional charging cannot be achieved between two intelligent devices of different types.
In order to achieve the above object, the present application provides a control method for bidirectional charging, which is applied to an intelligent device, where a buck-boost multiplexing circuit is deployed in the intelligent device, and the method includes:
when wired charging connection of the two intelligent devices is monitored, determining one of the intelligent devices as a charging device, and determining the other intelligent device as a power supply device;
the power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment;
the power supply equipment performs voltage reduction or voltage increase on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and after the power supply equipment reduces or increases the voltage of the first battery, the charging equipment is charged until the charging is finished.
The application also provides a control device for bidirectional charging, which is applied to intelligent equipment, wherein a buck-boost multiplexing circuit is deployed in the intelligent equipment, and the method comprises the following steps:
the monitoring module is used for determining one intelligent device as a charging device and determining the other intelligent device as a power supply device when the wired charging connection of the two intelligent devices is monitored;
the acquisition module is used for acquiring a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment by the power supply equipment;
the control module is used for the power supply equipment to perform voltage reduction or voltage boosting on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and the charging module is used for charging the charging equipment after the power supply equipment reduces or increases the voltage of the first battery until the charging is finished.
The present application further provides a computer device comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of any one of the above methods when executing the computer program.
The present application also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the method of any of the above.
The control method and device for bidirectional charging and the computer equipment are applied to intelligent equipment, a buck-boost multiplexing circuit is arranged in the intelligent equipment, when wired charging connection of the two intelligent equipment is monitored, one intelligent equipment is determined to be charging equipment, and the other intelligent equipment is determined to be power supply equipment. The power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment, and the voltage of the first battery is reduced or increased through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage. And after the power supply equipment reduces or increases the voltage of the first battery, charging the charging equipment until the charging is finished. In this application, the inside buck-boost multiplexing circuit that all deploys of the smart machine of different grade type, power supply unit can carry out corresponding step-down or step-up to charging voltage according to the battery voltage between the two when charging to battery charging outfit to guarantee charging safety between the two, the user can select the smart machine of arbitrary one type as power supply unit according to actual need, and the smart machine of another type realizes two-way charging as battery charging outfit.
Drawings
Fig. 1 is a schematic diagram illustrating steps of a bidirectional charging control method according to an embodiment of the present application;
fig. 2 is a block diagram of the overall structure of a bidirectional charging control device according to an embodiment of the present application;
fig. 3 is a block diagram schematically illustrating a structure of a computer device according to an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, an embodiment of the present application provides a control method for bidirectional charging, which is applied to an intelligent device, where a buck-boost multiplexing circuit is deployed in the intelligent device, and the method includes:
s1, when the wired charging connection of the two intelligent devices is monitored, determining one of the intelligent devices as a charging device and determining the other intelligent device as a power supply device;
s2, the power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment;
s3, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and S4, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage, and then charges the charging equipment until the charging is completed.
In this embodiment, the smart machine of different grade type all is through the repacking, and inside is provided with step-up and step-down multiplexing circuit, and this step-up and step-down multiplexing circuit can step up or step down charging voltage. During the application, when two smart machines carry out wired charging connection through the charging wire, one of them smart machine pops up the setting interface that charges, and the user inputs the setting information in setting interface that charges, sets up one of them smart machine into battery charging outfit according to self needs to set up another smart machine into power supply unit (the user can select the direction of charging between two smart machines wantonly). After the charging direction is determined, the power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment, compares the first battery voltage with the second battery voltage, and determines the size relationship between the first battery voltage and the second battery voltage. Then, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the size relation; specifically, since the boost-buck multiplexing circuits are disposed in the power supply device and the charging device, the power supply device can boost and buck the first battery voltage through the boost-buck multiplexing circuits of the power supply device, and can also control the boost-buck multiplexing circuits in the charging device to boost and buck the first battery voltage. When the first battery voltage is greater than the second battery voltage, the first battery voltage needs to be reduced through the voltage increasing and reducing multiplexing circuit, so that the first battery voltage and the second battery voltage are kept relatively consistent. When the first battery voltage is smaller than the second battery voltage, the first battery voltage needs to be boosted through the voltage boosting and reducing multiplexing circuit, so that the first battery voltage and the second battery voltage are kept relatively consistent. And after the voltage of the first battery is reduced or increased to be relatively consistent with the voltage of the second battery by the power supply equipment, charging the charging equipment until the charging is finished.
In this embodiment, the buck-boost multiplexing circuit is all deployed inside the intelligent devices of different types, and when the power supply device charges the charging device, the charging voltage can be correspondingly stepped down or stepped up according to the battery voltage between the two, so as to ensure the charging safety between the two, and the user can select the intelligent device of any one type as the power supply device and the intelligent device of another type as the charging device according to actual needs, thereby realizing bidirectional charging.
Further, the power supply device is disposed with a first buck-boost multiplexing circuit, where the first buck-boost multiplexing circuit includes a first buck unit and a first boost unit, and the power supply device performs a step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, including:
s301, the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
s302, if the first battery voltage is larger than the second battery voltage, the power supply equipment reduces the first battery voltage to a value that is within a preset voltage range and the second battery voltage through the first voltage reduction unit;
s303, if the first battery voltage is smaller than the second battery voltage, the power supply equipment boosts the first battery voltage to a difference value between the first battery voltage and the second battery voltage within a preset voltage range through the first boosting unit.
In this embodiment, a first buck-boost multiplexing circuit is disposed inside the power supply device, and the first buck-boost multiplexing circuit includes a first buck unit and a first buck unit (the first buck unit is a buck circuit, the first boost unit is a boost circuit, and both the buck circuit and the boost circuit have the same principle as that of an existing buck-boost circuit, and detailed description is not given here). The power supply equipment judges whether the voltage of a first battery of the power supply equipment is larger than the voltage of a second battery of the charging equipment, and if the voltage of the first battery is larger than the voltage of the second battery, the power supply equipment reduces the voltage of the first battery to a value that the difference value between the voltage of the first battery and the voltage of the second battery is within a preset voltage range through an internal first voltage reduction unit; that is, theoretically, the first battery voltage needs to be reduced to be consistent with the second battery voltage, but in practical applications, a certain voltage difference range is allowed between the first battery voltage and the second battery voltage (for example, the difference between the first battery voltage and the second battery voltage is only required to be reduced to be in a range of 0-5 v). The specific value of the preset voltage range is set by a developer according to an actual situation, and is not specifically limited herein.
Further, the charging device is disposed with a second buck-boost multiplexing circuit, the second buck-boost multiplexing circuit includes a second buck unit and a second boost unit, and the power supply device performs a step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, and further includes:
s304, the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
s305, if the first battery voltage is larger than the second battery voltage, the power supply equipment sends a voltage reduction instruction to the charging equipment, and the voltage reduction instruction is used for controlling the charging equipment to reduce the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second voltage reduction unit;
s306, if the first battery voltage is smaller than the second battery voltage, the power supply equipment sends a boosting instruction to the charging equipment, and the boosting instruction is used for controlling the charging equipment to boost the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second boosting unit.
In this embodiment, a second buck-boost multiplexing circuit is disposed in the charging device, where the second buck-boost multiplexing circuit includes a second buck unit and a second boost unit, and the power supply device determines whether a first battery voltage of the power supply device is greater than a second battery voltage of the charging device. If the first battery voltage is greater than the second battery voltage, the power supply device generates a voltage reduction instruction and sends the voltage reduction instruction to the charging device. After receiving the voltage reduction instruction sent by the power supply equipment, the charging equipment reduces the difference value between the first battery voltage reduction value and the second battery voltage within the preset voltage range through the second voltage reduction unit. If the first battery voltage is less than the second battery voltage, the power supply device generates a boost command and sends the boost command to the charging device. The charging equipment boosts the voltage of the first battery to a difference value between the voltage of the first battery and the voltage of the second battery within a preset voltage range through the second boosting unit according to the boosting instruction, and the power supply equipment is charged to the charging equipment.
Further, a voltage detection circuit is arranged at a VBus contact of the power supply device, and the step of acquiring, by the power supply device, a first battery voltage of the power supply device and a second battery voltage of the charging device includes:
s201, the power supply equipment acquires the contact voltage of the VBus contact through the voltage detection circuit, and takes the contact voltage as the second battery voltage;
s202, the power supply equipment acquires own equipment information and searches the equipment information to obtain the first battery voltage.
In this embodiment, a voltage detection circuit is arranged at a VBus contact of the power supply device, and when the power supply device is in wired charging connection with the charging device through a charging line, the power supply device acquires a contact voltage of the VBus contact through the voltage detection circuit, where the contact voltage represents a battery voltage of the charging device; therefore, the power supply apparatus uses the detected contact voltage as the second battery voltage of the charging apparatus. The power supply equipment acquires equipment information of the power supply equipment (the equipment information can be obtained by inquiring a system database of the power supply equipment and also can be obtained by inquiring the model of the power supply equipment from a network), and the equipment information contains design parameters of the intelligent equipment; therefore, the power supply equipment screens and searches the equipment information to obtain the corresponding standard voltage, namely the first battery voltage when the battery of the power supply equipment is designed.
Further, two the smart machine carries out wired charging connection through the charging wire, when monitoring two the wired charging connection of smart machine, confirm that one of them smart machine is the battery charging outfit to confirm another smart machine is the step of power supply unit, include:
s101, when two intelligent devices are in wired charging connection, the two intelligent devices respectively acquire high and low level information on two sides of a port ID pin of a charging wire;
s102, according to the high and low level information, the intelligent device corresponding to one side of the low level triggers and displays an MMI interface, and receives setting information input by a user through the MMI interface, wherein the setting information comprises charging and discharging equipment information;
and S103, setting one intelligent device as a charging device and setting the other intelligent device as a power supply device according to the charging and discharging device information.
In this embodiment, when carrying out wired charging connection through the charging wire between two smart machines, two smart machines acquire the high-low level information of the port ID pin both sides of charging wire respectively. According to the high and low level information, the intelligent device corresponding to the low level side of the port ID pin triggers and displays an MMI interface, and the intelligent device corresponding to the high level side of the port ID pin does not react. The user can input setting information on the MMI interface to perform corresponding setting on the current bidirectional charging, such as setting of master-slave relationship, charging direction, charging duration and the like between two intelligent devices. The two intelligent devices share the setting information received by the MMI interface, one of the intelligent devices selected by a user is set as the current charging device according to the charging and discharging device information included in the setting information, and the other intelligent device is set as the current power supply device.
Further, the setting information further includes charging setting information, and the power supply device is to after the first battery voltage is stepped down or stepped up, it is right that the charging device is charged until the step of charging completion includes:
s401, after the power supply equipment reduces or increases the voltage of the first battery, the charging equipment starts to be charged, and the charging state between the power supply equipment and the charging equipment is monitored according to the charging setting information;
s402, if the charging state between the power supply equipment and the charging equipment is monitored to accord with the charging setting information, the power supply equipment stops charging the charging equipment, and reminding information is output.
In this embodiment, the setting information input by the user on the MMI interface further includes charging setting information, where the charging setting information includes any one of a preset charging duration, a preset remaining power of the charging device, and a preset remaining power of the power supply device. After the power supply equipment reduces or increases the voltage of the first battery, the charging equipment starts to be charged, and the charging state between the power supply equipment and the charging equipment is monitored according to the charging setting information. And if the charging state between the power supply equipment and the charging equipment is monitored to be in accordance with the charging setting information, the power supply equipment stops charging the charging equipment, and the power supply equipment generates and outputs reminding information so as to remind a user of the completion of the current charging action. The charging setting information is taken as an example to illustrate that the power supply equipment presets the remaining capacity, and after the power supply equipment starts to charge the charging equipment, the power supply equipment monitors whether the current remaining capacity of the power supply equipment is reduced to the preset remaining capacity of the power supply equipment in real time. If the current remaining capacity of the power supply device decreases to the preset remaining capacity of the power supply device, determining that the charging state between the power supply device and the charging device conforms to the charging setting information, and stopping charging (for example, the preset remaining capacity of the power supply device is 20%, the current remaining capacity of the power supply device is 80% when charging starts, and when the current remaining capacity of the power supply device decreases to 20%, determining that charging stops). Similarly, if the charging setting information is the preset residual capacity of the charging equipment, the power supply equipment acquires the current residual capacity of the charging equipment in real time after the charging is started, and the charging is stopped when the charging equipment presets the residual capacity according to the rising value of the charged current residual capacity.
Further, the charging setting information includes a preset charging time, the charging state is the current charging time of the charging device, if it is monitored that the charging state between the power supply device and the charging device conforms to the charging setting information, the power supply device stops charging the charging device, and outputs the reminding information, including:
s4021, the power supply equipment judges whether the current charging time is not less than the preset charging time;
s4022, if the current charging time is not less than the preset charging time, the charging state between the power supply equipment and the charging equipment is judged to accord with the charging setting information, the power supply equipment stops charging the charging equipment, and a preset action is executed as the reminding information.
In this embodiment, the charging setting information input by the user is a preset charging duration, and the current charging state is specifically the current charging duration of the charging device to the charging device. After the power supply equipment starts to charge the charging equipment, the power supply equipment records the charging time of the power supply equipment to the charging equipment, and the charging time is updated in real time to be the current charging time. The power supply equipment judges whether the current charging time is not less than the preset charging time, if the power supply equipment monitors that the current charging time is not less than the preset charging time, the charging state between the power supply equipment and the charging equipment is judged to be in accordance with charging setting information, the power supply equipment stops charging the charging equipment, and preset actions are executed as reminding information (for example, the power supply equipment sends out preset ring tones, or the power supply equipment screens flash, and the like) so as to remind a user that the current charging is finished.
Referring to fig. 2, an embodiment of the present application further provides a bidirectional charging control device, which is applied to an intelligent device, where a buck-boost multiplexing circuit is deployed in the intelligent device, and the method includes:
the monitoring module 1 is used for determining one intelligent device as a charging device and determining the other intelligent device as a power supply device when monitoring that the two intelligent devices are in wired charging connection;
the acquisition module 2 is used for acquiring a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment by the power supply equipment;
the control module 3 is configured to, by the power supply device, step down or step up the first battery voltage through the step-up/step-down multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage;
and the charging module 4 is used for charging the charging equipment after the power supply equipment reduces or increases the voltage of the first battery until the charging is finished.
Further, the power supply unit is disposed with a first buck-boost multiplexing circuit, where the first buck-boost multiplexing circuit includes a first buck unit and a first boost unit, and the control module 3 includes:
the first judgment unit is used for judging whether the first battery voltage is greater than the second battery voltage or not by the power supply equipment;
the first voltage reduction control unit is used for reducing the first battery voltage to a difference value between the first battery voltage and the second battery voltage within a preset voltage range through the first voltage reduction unit if the first battery voltage is greater than the second battery voltage;
the first boosting control unit is used for boosting the first battery voltage to a difference value between the first battery voltage and the second battery voltage within a preset voltage range through the first boosting unit if the first battery voltage is smaller than the second battery voltage.
Further, charging equipment deploys a second buck-boost multiplexing circuit, and the second buck-boost multiplexing circuit includes second buck unit and second boost unit, control module 3 still includes:
a second determination unit, configured to determine, by the power supply device, whether the first battery voltage is greater than the second battery voltage;
the second voltage reduction control unit is used for sending a voltage reduction instruction to the charging equipment by the power supply equipment if the first battery voltage is greater than the second battery voltage, wherein the voltage reduction instruction is used for controlling the charging equipment to reduce the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second voltage reduction unit;
and the second boosting control unit is used for sending a boosting command to the charging equipment if the first battery voltage is smaller than the second battery voltage, and the boosting command is used for controlling the charging equipment to boost the first battery voltage to a value within a preset voltage range, wherein the value is different from the second battery voltage, and the value is controlled by the second boosting unit.
Further, a voltage detection circuit is disposed at a VBus contact of the power supply device, and the obtaining module 2 includes:
the acquisition unit is used for acquiring the contact voltage of the VBus contact by the power supply equipment through the voltage detection circuit and taking the contact voltage as the second battery voltage;
and the searching unit is used for the power supply equipment to acquire own equipment information and to search the equipment information to obtain the first battery voltage.
Further, two the smart machine carries out wired charging connection through the charging wire, monitoring module 1 includes:
the acquisition unit is used for respectively acquiring high and low level information at two sides of a port ID pin of the charging wire by the two intelligent devices when the two intelligent devices are in wired charging connection;
the receiving unit is used for triggering and displaying an MMI interface by the intelligent equipment corresponding to one side of the low level according to the high and low level information, and receiving the setting information input by a user through the MMI interface, wherein the setting information comprises charging and discharging equipment information;
and the setting unit is used for setting one intelligent device as the charging device and setting the other intelligent device as the power supply device according to the charging and discharging device information.
Further, the setting information further includes charging setting information, and the charging module 4 includes:
the monitoring unit is used for starting to charge the charging equipment after the power supply equipment performs voltage reduction or voltage boosting on the first battery voltage, and monitoring the charging state between the power supply equipment and the charging equipment according to the charging setting information;
and the output unit is used for stopping charging the charging equipment by the power supply equipment and outputting reminding information if the charging state between the power supply equipment and the charging equipment is monitored to accord with the charging setting information.
Further, the charging setting information includes a preset charging time, the charging state is that the power supply device is opposite to the current charging time of the charging device, and the output unit includes:
the judging subunit is used for judging whether the current charging time length is not less than the preset charging time length by the power supply equipment;
and the reminding subunit is used for judging that the charging state between the power supply equipment and the charging equipment accords with the charging setting information if the current charging time is not less than the preset charging time, the power supply equipment stops charging the charging equipment, and executes a preset action as the reminding information.
In this embodiment, each module, unit, and subunit in the bidirectional charging control apparatus are used to correspondingly execute each step in the bidirectional charging control method, and the specific implementation process thereof is not described in detail herein.
The control device for bidirectional charging provided by this embodiment is applied to intelligent devices, a buck-boost multiplexing circuit is deployed in the intelligent device, and when the wired charging connection of two intelligent devices is monitored, one of the intelligent devices is determined to be a charging device, and the other intelligent device is determined to be a power supply device. The power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment, and the voltage of the first battery is reduced or increased through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage. And after the power supply equipment reduces or increases the voltage of the first battery, charging the charging equipment until the charging is finished. In this application, the inside buck-boost multiplexing circuit that all deploys of the smart machine of different grade type, power supply unit can carry out corresponding step-down or step-up to charging voltage according to the battery voltage between the two when charging to battery charging outfit to guarantee charging safety between the two, the user can select the smart machine of arbitrary one type as power supply unit according to actual need, and the smart machine of another type realizes two-way charging as battery charging outfit.
Referring to fig. 3, a computer device, which may be a server and whose internal structure may be as shown in fig. 3, is also provided in the embodiment of the present application. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the computer designed processor is used to provide computational and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer device is used for storing data such as device information. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to realize a control method of bidirectional charging, and is applied to intelligent equipment, wherein a buck-boost multiplexing circuit is arranged in the intelligent equipment.
The processor executes the steps of the bidirectional charging control method:
s1, when the wired charging connection of the two intelligent devices is monitored, determining one of the intelligent devices as a charging device and determining the other intelligent device as a power supply device;
s2, the power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment;
s3, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and S4, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage, and then charges the charging equipment until the charging is completed.
Further, the power supply device is disposed with a first buck-boost multiplexing circuit, where the first buck-boost multiplexing circuit includes a first buck unit and a first boost unit, and the power supply device performs a step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, including:
s301, the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
s302, if the first battery voltage is larger than the second battery voltage, the power supply equipment reduces the first battery voltage to a value that is within a preset voltage range and the second battery voltage through the first voltage reduction unit;
s303, if the first battery voltage is smaller than the second battery voltage, the power supply equipment boosts the first battery voltage to a difference value between the first battery voltage and the second battery voltage within a preset voltage range through the first boosting unit.
Further, the charging device is disposed with a second buck-boost multiplexing circuit, the second buck-boost multiplexing circuit includes a second buck unit and a second boost unit, and the power supply device performs a step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, and further includes:
s304, the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
s305, if the first battery voltage is larger than the second battery voltage, the power supply equipment sends a voltage reduction instruction to the charging equipment, and the voltage reduction instruction is used for controlling the charging equipment to reduce the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second voltage reduction unit;
s306, if the first battery voltage is smaller than the second battery voltage, the power supply equipment sends a boosting instruction to the charging equipment, and the boosting instruction is used for controlling the charging equipment to boost the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second boosting unit.
Further, a voltage detection circuit is arranged at a VBus contact of the power supply device, and the step of acquiring, by the power supply device, a first battery voltage of the power supply device and a second battery voltage of the charging device includes:
s201, the power supply equipment acquires the contact voltage of the VBus contact through the voltage detection circuit, and takes the contact voltage as the second battery voltage;
s202, the power supply equipment acquires own equipment information and searches the equipment information to obtain the first battery voltage.
Further, two the smart machine carries out wired charging connection through the charging wire, when monitoring two the wired charging connection of smart machine, confirm that one of them smart machine is the battery charging outfit to confirm another smart machine is the step of power supply unit, include:
s101, when two intelligent devices are in wired charging connection, the two intelligent devices respectively acquire high and low level information on two sides of a port ID pin of a charging wire;
s102, according to the high and low level information, the intelligent device corresponding to one side of the low level triggers and displays an MMI interface, and receives setting information input by a user through the MMI interface, wherein the setting information comprises charging and discharging equipment information;
and S103, setting one intelligent device as a charging device and setting the other intelligent device as a power supply device according to the charging and discharging device information.
Further, the setting information further includes charging setting information, and the power supply device is to after the first battery voltage is stepped down or stepped up, it is right that the charging device is charged until the step of charging completion includes:
s401, after the power supply equipment reduces or increases the voltage of the first battery, the charging equipment starts to be charged, and the charging state between the power supply equipment and the charging equipment is monitored according to the charging setting information;
s402, if the charging state between the power supply equipment and the charging equipment is monitored to accord with the charging setting information, the power supply equipment stops charging the charging equipment, and reminding information is output.
Further, the charging setting information includes a preset charging time, the charging state is the current charging time of the charging device, if it is monitored that the charging state between the power supply device and the charging device conforms to the charging setting information, the power supply device stops charging the charging device, and outputs the reminding information, including:
s4021, the power supply equipment judges whether the current charging time is not less than the preset charging time;
s4022, if the current charging time is not less than the preset charging time, the charging state between the power supply equipment and the charging equipment is judged to accord with the charging setting information, the power supply equipment stops charging the charging equipment, and a preset action is executed as the reminding information.
An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method for controlling bidirectional charging is implemented, where the computer program is applied to an intelligent device, a buck-boost multiplexing circuit is deployed in the intelligent device, and the method for controlling bidirectional charging specifically includes:
s1, when the wired charging connection of the two intelligent devices is monitored, determining one of the intelligent devices as a charging device and determining the other intelligent device as a power supply device;
s2, the power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment;
s3, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and S4, the power supply equipment performs voltage reduction or voltage increase on the first battery voltage, and then charges the charging equipment until the charging is completed.
Further, the power supply device is disposed with a first buck-boost multiplexing circuit, where the first buck-boost multiplexing circuit includes a first buck unit and a first boost unit, and the power supply device performs a step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, including:
s301, the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
s302, if the first battery voltage is larger than the second battery voltage, the power supply equipment reduces the first battery voltage to a value that is within a preset voltage range and the second battery voltage through the first voltage reduction unit;
s303, if the first battery voltage is smaller than the second battery voltage, the power supply equipment boosts the first battery voltage to a difference value between the first battery voltage and the second battery voltage within a preset voltage range through the first boosting unit.
Further, the charging device is disposed with a second buck-boost multiplexing circuit, the second buck-boost multiplexing circuit includes a second buck unit and a second boost unit, and the power supply device performs a step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, and further includes:
s304, the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
s305, if the first battery voltage is larger than the second battery voltage, the power supply equipment sends a voltage reduction instruction to the charging equipment, and the voltage reduction instruction is used for controlling the charging equipment to reduce the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second voltage reduction unit;
s306, if the first battery voltage is smaller than the second battery voltage, the power supply equipment sends a boosting instruction to the charging equipment, and the boosting instruction is used for controlling the charging equipment to boost the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second boosting unit.
Further, a voltage detection circuit is arranged at a VBus contact of the power supply device, and the step of acquiring, by the power supply device, a first battery voltage of the power supply device and a second battery voltage of the charging device includes:
s201, the power supply equipment acquires the contact voltage of the VBus contact through the voltage detection circuit, and takes the contact voltage as the second battery voltage;
s202, the power supply equipment acquires own equipment information and searches the equipment information to obtain the first battery voltage.
Further, two the smart machine carries out wired charging connection through the charging wire, when monitoring two the wired charging connection of smart machine, confirm that one of them smart machine is the battery charging outfit to confirm another smart machine is the step of power supply unit, include:
s101, when two intelligent devices are in wired charging connection, the two intelligent devices respectively acquire high and low level information on two sides of a port ID pin of a charging wire;
s102, according to the high and low level information, the intelligent device corresponding to one side of the low level triggers and displays an MMI interface, and receives setting information input by a user through the MMI interface, wherein the setting information comprises charging and discharging equipment information;
and S103, setting one intelligent device as a charging device and setting the other intelligent device as a power supply device according to the charging and discharging device information.
Further, the setting information further includes charging setting information, and the power supply device is to after the first battery voltage is stepped down or stepped up, it is right that the charging device is charged until the step of charging completion includes:
s401, after the power supply equipment reduces or increases the voltage of the first battery, the charging equipment starts to be charged, and the charging state between the power supply equipment and the charging equipment is monitored according to the charging setting information;
s402, if the charging state between the power supply equipment and the charging equipment is monitored to accord with the charging setting information, the power supply equipment stops charging the charging equipment, and reminding information is output.
Further, the charging setting information includes a preset charging time, the charging state is the current charging time of the charging device, if it is monitored that the charging state between the power supply device and the charging device conforms to the charging setting information, the power supply device stops charging the charging device, and outputs the reminding information, including:
s4021, the power supply equipment judges whether the current charging time is not less than the preset charging time;
s4022, if the current charging time is not less than the preset charging time, the charging state between the power supply equipment and the charging equipment is judged to accord with the charging setting information, the power supply equipment stops charging the charging equipment, and a preset action is executed as the reminding information.
It will be understood by those skilled in the art that all or part of the processes of the methods of the above embodiments may be implemented by hardware associated with instructions of a computer program, which may be stored on a non-volatile computer-readable storage medium, and when executed, may include processes of the above embodiments of the methods. Any reference to memory, storage, database, or other medium provided herein and used in the examples may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double-rate SDRAM (SSRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, first object, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, first object, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of another identical element in a process, apparatus, first object or method that comprises the element.
The above description is only for the preferred embodiment of the present application and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.

Claims (10)

1. A control method for bidirectional charging is applied to intelligent equipment, a buck-boost multiplexing circuit is deployed in the intelligent equipment, and the method comprises the following steps:
when wired charging connection of the two intelligent devices is monitored, determining one of the intelligent devices as a charging device, and determining the other intelligent device as a power supply device;
the power supply equipment acquires a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment;
the power supply equipment performs voltage reduction or voltage increase on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and after the power supply equipment reduces or increases the voltage of the first battery, the charging equipment is charged until the charging is finished.
2. The method according to claim 1, wherein the power supply device is disposed with a first buck-boost multiplexing circuit, the first buck-boost multiplexing circuit includes a first buck unit and a first boost unit, and the power supply device performs the step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, and includes:
the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
if the first battery voltage is greater than the second battery voltage, the power supply equipment reduces the first battery voltage to a value within a preset voltage range, wherein the difference between the first battery voltage and the second battery voltage is within the preset voltage range;
if the first battery voltage is smaller than the second battery voltage, the power supply equipment boosts the first battery voltage to a value different from the second battery voltage within a preset voltage range through the first boosting unit.
3. The method according to claim 1, wherein the charging device is disposed with a second buck-boost multiplexing circuit, the second buck-boost multiplexing circuit includes a second buck unit and a second boost unit, and the power supply device performs the step of buck or boost on the first battery voltage through the buck-boost multiplexing circuit according to a magnitude relationship between the first battery voltage and the second battery voltage, further including:
the power supply equipment judges whether the first battery voltage is greater than the second battery voltage;
if the first battery voltage is greater than the second battery voltage, the power supply equipment sends a voltage reduction instruction to the charging equipment, and the voltage reduction instruction is used for controlling the charging equipment to reduce the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second voltage reduction unit;
if the first battery voltage is smaller than the second battery voltage, the power supply equipment sends a boosting instruction to the charging equipment, and the boosting instruction is used for controlling the charging equipment to boost the first battery voltage to a value, which is within a preset voltage range, of a difference value between the first battery voltage and the second battery voltage through the second boosting unit.
4. The method for controlling bidirectional charging according to claim 1, wherein a voltage detection circuit is disposed at a VBus contact of the power supply device, and the step of acquiring the first battery voltage of the power supply device and the second battery voltage of the charging device by the power supply device comprises:
the power supply equipment acquires the contact voltage of the VBus contact through the voltage detection circuit, and takes the contact voltage as the second battery voltage;
the power supply equipment acquires own equipment information and searches the equipment information to obtain the first battery voltage.
5. The method according to claim 1, wherein the two intelligent devices are connected through a charging cable, and when the wired charging connection of the two intelligent devices is monitored, the step of determining one of the intelligent devices as a charging device and determining the other intelligent device as a power supply device comprises:
when the two intelligent devices are in wired charging connection, the two intelligent devices respectively acquire high and low level information on two sides of a port ID pin of the charging line;
according to the high and low level information, the intelligent equipment corresponding to one side of the low level triggers and displays an MMI interface, and receives setting information input by a user through the MMI interface, wherein the setting information comprises charging and discharging equipment information;
and setting one intelligent device as a charging device and the other intelligent device as a power supply device according to the charging and discharging device information.
6. The method according to claim 5, wherein the setting information further includes charging setting information, and the step of charging the charging device after the power supply device steps down or steps up the first battery voltage until charging is completed includes:
after the power supply equipment reduces or increases the voltage of the first battery, the charging equipment starts to be charged, and the charging state between the power supply equipment and the charging equipment is monitored according to the charging setting information;
and if the charging state between the power supply equipment and the charging equipment is monitored to accord with the charging setting information, the power supply equipment stops charging the charging equipment and outputs reminding information.
7. The method according to claim 6, wherein the charging setting information includes a preset charging duration, the charging status is a current charging duration of the power supply device to the charging device, and if it is monitored that the charging status between the power supply device and the charging device conforms to the charging setting information, the step of stopping charging the charging device by the power supply device and outputting a reminding message includes:
the power supply equipment judges whether the current charging time length is not less than the preset charging time length;
and if the current charging time is not less than the preset charging time, judging that the charging state between the power supply equipment and the charging equipment conforms to the charging setting information, stopping charging the charging equipment by the power supply equipment, and executing a preset action as the reminding information.
8. A control device for bidirectional charging is applied to intelligent equipment, a buck-boost multiplexing circuit is deployed in the intelligent equipment, and the method comprises the following steps:
the monitoring module is used for determining one intelligent device as a charging device and determining the other intelligent device as a power supply device when the wired charging connection of the two intelligent devices is monitored;
the acquisition module is used for acquiring a first battery voltage of the power supply equipment and a second battery voltage of the charging equipment by the power supply equipment;
the control module is used for the power supply equipment to perform voltage reduction or voltage boosting on the first battery voltage through the voltage reduction and increase multiplexing circuit according to the magnitude relation between the first battery voltage and the second battery voltage;
and the charging module is used for charging the charging equipment after the power supply equipment reduces or increases the voltage of the first battery until the charging is finished.
9. A computer device comprising a memory and a processor, the memory having stored therein a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method according to any one of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
CN202111076683.5A 2021-09-14 2021-09-14 Bidirectional charging control method and device and computer equipment Pending CN113541274A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111076683.5A CN113541274A (en) 2021-09-14 2021-09-14 Bidirectional charging control method and device and computer equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111076683.5A CN113541274A (en) 2021-09-14 2021-09-14 Bidirectional charging control method and device and computer equipment

Publications (1)

Publication Number Publication Date
CN113541274A true CN113541274A (en) 2021-10-22

Family

ID=78092546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111076683.5A Pending CN113541274A (en) 2021-09-14 2021-09-14 Bidirectional charging control method and device and computer equipment

Country Status (1)

Country Link
CN (1) CN113541274A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103501036A (en) * 2013-10-28 2014-01-08 上海同异动力科技有限公司 Charging and discharging control circuit for lithium battery
CN103682491A (en) * 2012-09-13 2014-03-26 华平信息技术股份有限公司 Charging method between electronic devices, charging circuits and electronic devices
US20140097790A1 (en) * 2012-10-10 2014-04-10 Ming-Hsiang Yeh Bidirectional wireless charging/discharging device for portable electronic device
CN104158255A (en) * 2014-08-20 2014-11-19 矽力杰半导体技术(杭州)有限公司 Charge and discharge management system and mobile power supply with application of charge and discharge management system
CN105518968A (en) * 2013-09-09 2016-04-20 苹果公司 Universal power adapter
CN106253399A (en) * 2016-08-24 2016-12-21 天津市天楚科技有限公司 A kind of portable power source
CN110492554A (en) * 2019-07-22 2019-11-22 华为技术有限公司 Adjust control circuit, bluetooth headset, charging box and charging system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103682491A (en) * 2012-09-13 2014-03-26 华平信息技术股份有限公司 Charging method between electronic devices, charging circuits and electronic devices
US20140097790A1 (en) * 2012-10-10 2014-04-10 Ming-Hsiang Yeh Bidirectional wireless charging/discharging device for portable electronic device
CN105518968A (en) * 2013-09-09 2016-04-20 苹果公司 Universal power adapter
CN103501036A (en) * 2013-10-28 2014-01-08 上海同异动力科技有限公司 Charging and discharging control circuit for lithium battery
CN104158255A (en) * 2014-08-20 2014-11-19 矽力杰半导体技术(杭州)有限公司 Charge and discharge management system and mobile power supply with application of charge and discharge management system
CN106253399A (en) * 2016-08-24 2016-12-21 天津市天楚科技有限公司 A kind of portable power source
CN110492554A (en) * 2019-07-22 2019-11-22 华为技术有限公司 Adjust control circuit, bluetooth headset, charging box and charging system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
俞德军: "协议的大功率智能电源技术研究", 《中国博士学位论文全文数据库》 *

Similar Documents

Publication Publication Date Title
CN113541276B (en) Charging self-adjusting method and device and computer equipment
CN108352716B (en) Voltage measurement device and voltage measurement system
CN111399870A (en) Vehicle control method, device, terminal and storage medium
CN112448444A (en) Charging control method and device, electronic equipment and readable storage medium
CN110329089B (en) Charging regulation and control system, charging method, computer equipment and storage medium
EP3490053A1 (en) Internal heating of a battery
CN113541274A (en) Bidirectional charging control method and device and computer equipment
CN114714927A (en) Vehicle discharge control method and device, vehicle and computer storage medium
CN114475254A (en) Electric vehicle pre-charging control method and device, storage medium and electronic device
CN113595164B (en) Method and apparatus for charge management
CN117734507A (en) Charging method, device, storage medium, user equipment and vehicle
CN109606191A (en) Method for controlling power supply, device, computer equipment and storage medium
CN111339007B (en) USB device control method and device, computer device and storage medium
CN108429347B (en) Power distribution network line equipment monitoring method and device, computer equipment and storage medium
CN116252731A (en) External power-on method and device for automobile
JP2017131018A (en) Charger
CN115800429A (en) Battery charging method and device adaptive to various capacity specifications and computer equipment
WO2020082650A1 (en) Discharge method, charging equipment and computer storage medium
CN113504879A (en) Data storage method and intelligent household appliance
CN110171305B (en) Charging method, system, device, equipment, storage medium and electric vehicle
CN112311032A (en) Charging method, charging device, electronic equipment and storage medium
CN113665509B (en) Method and device for controlling electric quantity of vehicle storage battery and readable storage medium
CN112909970B (en) Power resource energy storage management method and device and energy storage management charger
JP7434397B2 (en) Charging management system
CN112455250B (en) Storage battery timing charging system and method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211022