CN112721664A - Charging method, charging device, charging equipment and storage medium - Google Patents

Charging method, charging device, charging equipment and storage medium Download PDF

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Publication number
CN112721664A
CN112721664A CN202011584071.2A CN202011584071A CN112721664A CN 112721664 A CN112721664 A CN 112721664A CN 202011584071 A CN202011584071 A CN 202011584071A CN 112721664 A CN112721664 A CN 112721664A
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CN
China
Prior art keywords
charging
battery
circuits
charge
power
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Pending
Application number
CN202011584071.2A
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Chinese (zh)
Inventor
于江涛
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Guangzhou Xaircraft Technology Co Ltd
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Guangzhou Xaircraft Technology Co Ltd
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Priority to CN202011584071.2A priority Critical patent/CN112721664A/en
Publication of CN112721664A publication Critical patent/CN112721664A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
    • H02J7/1492—Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and the battery
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The embodiment of the invention discloses a charging method, a charging device, charging equipment and a storage medium, wherein the charging method comprises the following steps: acquiring battery information of a battery accessed to the charging equipment; determining the maximum charging power of the battery according to the battery information; determining a target number of charging circuits for charging the battery according to the maximum charging power, a preset total number of charging circuits and a preset rated power of the charging device; the target number of charging circuits are controlled to charge the battery. The target number of the charging circuits for charging the battery is determined according to the maximum charging power of the battery, the rated power of the charging equipment and the total number of the charging circuits, the charging circuits with the target number are controlled to charge the accessed battery, and the charging circuits charge the battery, so that the battery can be charged by the maximum charging power of the battery, the power of the generator is fully utilized, meanwhile, the charging circuits charge the battery, the charging current is high, and the charging time consumption of the battery can be reduced.

Description

Charging method, charging device, charging equipment and storage medium
Technical Field
The embodiment of the invention relates to the technical field of charging, in particular to a charging method, a charging device, charging equipment and a storage medium.
Background
Electrically driven unmanned aerial vehicle adopts the lithium cell as power supply usually, and during the unmanned aerial vehicle operation, often can be equipped with a plurality of batteries in order to satisfy the demand of charging.
In the conventional art, in order for a charging apparatus to be able to charge a plurality of batteries simultaneously, the charging apparatus is generally equipped with a plurality of charging circuits, each of which charges the battery one by one. However, since the unmanned aerial vehicle is inconvenient to acquire 220V ac power from the utility power grid during outdoor operation, a generator is usually adopted to generate power to provide 220V ac power, and then the 220V ac power is converted into dc power to charge the battery.
Disclosure of Invention
The invention provides a charging method, a charging device, charging equipment and a storage medium, and aims to solve the problems that the charging equipment which adopts a generator to generate electricity in the prior art cannot effectively utilize the power of the generator and the time consumed by battery charging is long.
In a first aspect, an embodiment of the present invention provides a charging method, which is applied to a charging device provided with a plurality of charging circuits, where any number of the plurality of charging circuits can charge one battery in parallel, and the charging method includes:
acquiring battery information of a battery accessed to the charging equipment;
determining the maximum charging power of the battery according to the battery information;
determining a target number of charging circuits for charging the battery according to the maximum charging power, a preset total number of the charging circuits and a preset rated power of the charging device;
and controlling the target number of charging circuits to charge the battery.
Optionally, the determining a target number of charging circuits for charging the battery according to the maximum charging power, the preset total number of charging circuits, and the preset rated power of the charging device includes:
calculating the ratio of the rated power of the charging equipment to the total number of the charging circuits to obtain a first ratio;
and calculating the ratio of the maximum charging power to the first ratio and rounding up to obtain the target number of the charging circuits for charging the batteries in parallel.
Optionally, the controlling the target number of charging circuits to charge the battery includes:
acquiring the total number of batteries accessed to the charging equipment;
determining whether the total number of the batteries is equal to 1;
if yes, controlling the charging circuits with the target number to charge the battery;
if not, determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power;
determining an actual number of charging circuits to charge the battery according to the charging priority and the target number;
and controlling the actual number of charging circuits to charge the battery.
Optionally, the determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power includes:
calculating the ratio of the electric quantity to be charged to the maximum charging power to obtain the time to be charged of the battery;
sequencing the time to be charged in an ascending order to obtain sequencing of the time to be charged;
and determining the charging priority level of the battery according to the principle that the priority level in the sequence of the time to be charged is higher than the priority level in the sequence of the time to be charged.
Optionally, the determining an actual number of charging circuits to charge the battery according to the charging priority level and the target number includes:
acquiring the number of idle charging circuits of the current idle charging circuit in the process of distributing the charging circuits to each battery according to the sequence that the charging priority is higher than first and the charging priority is lower than last;
judging whether the number of the idle charging circuits is larger than the target number;
if so, determining the target number as the actual number of charging circuits for charging the battery;
if not, determining that the number of the idle charging circuits is the actual number of the charging circuits for charging the battery, and marking the battery as the first battery.
Optionally, after controlling the actual number of charging circuits to charge the battery, the method further includes:
in the charging process, acquiring the battery state of each battery, wherein the battery state comprises a full-charge state and a charging state;
when the battery state is a full state, determining a second battery with the battery state being a charging state in the first battery;
a charging circuit that controls charging of the battery in the full charge state charges the second battery.
Optionally, after controlling the target number of charging circuits to charge the battery, the method further includes:
in the charging process, whether a third battery is accessed is detected;
and if so, returning to the step of acquiring the total number of the batteries accessed to the charging equipment.
In a second aspect, an embodiment of the present invention provides a charging apparatus, which is applied to a charging device provided with a plurality of charging circuits, where any number of the plurality of charging circuits can charge one battery in parallel, and the charging apparatus includes:
the battery information acquisition module is used for acquiring the battery information of a battery accessed to the charging equipment;
the maximum charging power determining module is used for determining the maximum charging power of the battery according to the battery information;
a target number determination module, configured to determine a target number of charging circuits for charging the battery according to the maximum charging power, a preset total number of charging circuits, and a preset rated power of the charging device;
and the charging control module is used for controlling the charging circuits with the target number to charge the battery.
Optionally, the target number determination module includes:
the ratio calculation submodule is used for calculating the ratio of the rated power of the charging equipment to the total number of the charging circuits to obtain a first ratio;
and the target number calculation submodule is used for calculating the ratio of the maximum charging power to the first ratio and rounding up to obtain the target number of the charging circuits for charging the battery.
Optionally, the charging control module comprises:
the battery total number acquisition submodule is used for acquiring the total number of the batteries accessed to the charging equipment;
a battery total number judgment submodule for judging whether the total number of the batteries is equal to 1;
the first charging control submodule is used for controlling the target number of charging circuits to charge the battery;
the charging priority level determining submodule is used for determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power;
an actual number determination submodule for determining an actual number of charging circuits for charging the battery according to the charging priority and the target number;
and the second charging control submodule is used for controlling the actual number of charging circuits to charge the battery.
Optionally, the battery information includes an amount of power to be charged of the battery, and the charging priority level determination submodule includes:
the charging time calculation unit is used for calculating the ratio of the electric quantity to be charged to the maximum charging power to obtain the charging time of the battery;
the charging time sequencing unit is used for sequencing the charging time in an ascending manner to obtain a charging time sequence;
and the charging priority level determining unit is used for determining the charging priority level of the battery according to the principle that the priority level in the sequence of the time to be charged is higher than the priority level in the sequence of the time to be charged.
Optionally, the actual number determination submodule includes:
an idle charging circuit number acquisition unit configured to acquire an idle charging circuit number of a currently idle charging circuit in a process of allocating a charging circuit to each battery in an order in which the charging priority is higher than first and the charging priority is lower than second;
an idle charging circuit number judgment unit for judging whether the number of idle charging circuits is greater than the target number;
a first actual number determination unit for determining the target number as an actual number of charging circuits that charge the battery;
a second actual number determination unit for determining the number of idle charging circuits as an actual number of charging circuits to charge the battery and marking the battery as the first battery.
Optionally, the charging control module further comprises:
the battery state acquisition submodule is used for acquiring the battery state of each battery in the charging process, and the battery state comprises a full-charge state and a charging state;
the second battery determining submodule is used for determining a second battery with the battery state being a charging state in the first battery when the battery state is a full state;
and the third charging control submodule is used for controlling a charging circuit for charging the battery in the full-charge state to charge the second battery.
Optionally, the charging control module further comprises:
and the battery access detection submodule is used for detecting whether a third battery is accessed in the charging process, and if so, returning the total number of the batteries to obtain the submodule.
In a third aspect, an embodiment of the present invention provides a charging apparatus, where the charging apparatus includes:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement the charging method described in the first aspect of the present invention.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the charging method described in the first aspect of the present invention.
The charging method provided by the embodiment of the invention is applied to charging equipment provided with a plurality of charging circuits, any number of charging circuits in the plurality of charging circuits can charge one battery in parallel, after battery information of the battery connected to the charging equipment is acquired, the maximum charging power of the battery is determined according to the battery information, the target number of the charging circuits for charging the battery is determined according to the maximum charging power, the preset total number of the charging circuits and the preset rated power of the charging equipment, and the target number of the charging circuits is controlled to charge the battery. The embodiment of the invention determines the target number of the charging circuits for charging the battery according to the maximum charging power of the battery, the rated power of the charging equipment and the total number of the charging circuits, then controls the charging circuits with the target number to charge the accessed battery, and a plurality of charging circuits charge one battery, so that the battery can be charged by the maximum charging power of the battery, the power of the generator is fully utilized, and meanwhile, the plurality of charging circuits charge the battery, the charging current is high, and the charging time consumption of the battery can be reduced.
Drawings
Fig. 1 is a flowchart illustrating steps of a charging method according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a charging device of an embodiment of the invention;
fig. 3 is a flowchart illustrating steps of a charging method according to a second embodiment of the present invention;
FIG. 4 is a flow chart of a charging method in one example of the invention;
fig. 5 is a schematic structural diagram of a charging device according to a third embodiment of the present invention.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Fig. 1 is a flowchart of steps of a charging method according to an embodiment of the present invention, where the charging method according to an embodiment of the present invention is applicable to a charging device having a plurality of charging circuits, and the charging method may be executed by a charging apparatus according to an embodiment of the present invention, where the charging apparatus may be implemented in a software and/or hardware manner and is integrated in the charging device, as shown in fig. 1, the method specifically includes the following steps:
and S101, acquiring battery information of a battery accessed to the charging equipment.
As shown in fig. 2, which is a schematic diagram of a charging device according to an embodiment of the present invention, the charging device includes a generator and at least two charging circuits, each charging circuit is provided with a switch and a charging interface, the switch in each charging circuit can be connected to the charging interface of the charging circuit where the switch is located, and can also be connected to the charging interfaces of other charging circuits, and a plurality of charging circuits can charge a battery of one charging interface in parallel through the switches.
In one example, the switch in each charging circuit may include an input end, a control end, and a plurality of output ends, the input end may be connected to any one of the output ends, one of the output ends is connected to a charging interface of the charging circuit where the switch is located, other output ends are connected to charging interfaces of other charging circuits, the controller of the generator is connected to the control end of each switch, and the controller controls the switch to enable the charging circuit to be connected to the output interface of the charging circuit or to the charging interfaces of other charging circuits. Illustratively, the switch may be a relay, a contactor, a single pole, multiple throw switch, a dip switch, or the like.
In the embodiment of the present invention, the battery may be an intelligent battery, that is, the battery is provided with a battery management system, and the battery management system may read information such as electric quantity, temperature, charging voltage, maximum charging current, and the like of the battery. The controller of the generator may communicate with a battery connected to the charging device, for example, the controller may communicate with a battery management system of the battery to obtain battery information such as the charge level, the charging voltage, and the maximum charging current of the battery.
And S102, determining the maximum charging power of the battery according to the battery information.
In an example of the present invention, the battery information may include a charging voltage and a maximum charging current, and the maximum charging power of the battery may be obtained by calculating a product of the charging voltage and the maximum charging current of the battery according to that the power is equal to a product of the voltage and the current.
S103, determining the target number of the charging circuits for charging the battery according to the maximum charging power, the preset total number of the charging circuits and the preset rated power of the charging equipment.
In an alternative embodiment of the present invention, the rated power of the generator and the total number of the charging circuits may be stored in the controller, and the rated power of the generator may be averagely divided into each charging circuit according to the total number of the charging circuits of the charging device, and then the maximum charging power of the battery and the average power divided into each charging circuit are calculated to determine the target number of the charging circuits for charging the battery.
Illustratively, assume the power rating of the generator is W1The total number of the charging circuits is n, and the maximum charging power of the battery is W2Eyes of peopleThe nominal number is m, making W2≤m×W1When the/N is satisfied, the minimum value of m is the target number, wherein m is a positive integer.
And S104, controlling the target number of charging circuits to charge the battery.
Specifically, for each battery connected to the charging device, after determining the target number of charging circuits for charging the battery, the controller may control the switches of the charging circuits of the target number, so that the plurality of charging circuits are connected to the charging interfaces of the charging circuits connected to the battery, thereby implementing parallel charging of one battery by the plurality of charging circuits.
The charging method provided by the embodiment of the invention is applied to the charging equipment provided with a plurality of charging circuits, any number of the charging circuits in the plurality of charging circuits can charge one battery in parallel, when charging, the embodiment of the invention determines the target number of the charging circuits for charging the battery according to the maximum charging power of the battery, the rated power of the charging equipment and the total number of the charging circuits, then controls the target number of the charging circuits to charge the accessed battery, and the plurality of charging circuits charge one battery.
Example two
Fig. 3 is a flowchart of steps of a charging method according to a second embodiment of the present invention, which is optimized based on the first embodiment of the present invention, specifically, as shown in fig. 3, the charging method according to the second embodiment of the present invention may include the following steps:
s201, acquiring battery information of a battery accessed to the charging equipment.
S202, determining the maximum charging power of the battery according to the battery information.
S201-S202 in the embodiment of the present invention refer to S101-S102 in the first embodiment, and are not described in detail here.
S203, calculating the ratio of the rated power of the charging equipment to the total number of the charging circuits to obtain a first ratio.
Specifically, the rated power of the charging device may be the rated power of the generator, the rated power of the generator and the total number of the charging circuits may be preset in the controller, and the rated power of the generator may be evenly distributed to each charging circuit, assuming that the rated power of the charging device is W1The total number of the charging circuits is n, and a first ratio W can be calculated1/n。
S204, calculating the ratio of the maximum charging power to the first ratio and rounding up to obtain the target number of charging circuits for charging the battery.
The maximum charging power of the battery may be a product of a maximum charging current value allowed during charging and a charging voltage value, assuming that the maximum charging power is W2Can calculate W2To a first ratio W1The integer value obtained by rounding up the/n ratio is the target number of charging circuits for charging the battery.
Illustratively, assume a generator rated power W15000W, the total number n of charging circuits is 30, and the maximum charging power of the battery is W2100W, the first ratio W116.67 for 5000/30, and maximum charging power W2With a ratio of 100/16.67 to 5.998, 5.998 rounding up to 6, the target number can be determined to be 6, i.e. 6 charging circuits can be used simultaneously to charge one battery in parallel.
And S205, acquiring the total number of the batteries accessed to the charging equipment.
In an optional embodiment of the present invention, the controller may detect whether the battery is connected to the charging interface through the charging interface detection, in an example, the charging interface may be provided with a battery connection detection pin, the battery connection detection pin is connected to the controller, when the battery is connected, the battery connection detection pin is triggered by the battery connection to be connected to the ground or disconnected from the ground, so that the controller receives a high level signal or a low level signal, the controller may determine whether the battery is connected to the charging interface according to the level of the level signal, and count total data of the charging interface with the battery connected, so as to obtain the total number of the batteries connected to the charging device.
And S206, judging whether the total number of the batteries is equal to 1.
In the embodiment of the present invention, a charging circuit needs to be allocated to each battery according to the total number of the accessed batteries, and it may be determined whether the total number of the batteries is equal to 1, where S207-S209 may be performed when the total number of the batteries is not equal to 1, and S210 may be performed when the total number of the batteries is equal to 1.
And S207, determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power.
In an optional embodiment of the present invention, the time to be charged may be time required for fully charging the battery, the time to be charged of the battery may be obtained by calculating a ratio of the electric quantity to be charged to the maximum charging power, the time to be charged is sorted in an ascending order to obtain a time sequence to be charged, and the charging priority level of the battery is determined according to a principle that the priority level of the battery in the time sequence to be charged is higher than the priority level of the battery in the ascending order.
Specifically, the charging priority level of the battery is used for allocating a sufficient target number of charging circuits to the battery with a high charging priority level, and the embodiment of the present invention determines the charging priority level of the battery according to the waiting time of the battery, that is, the battery with a short waiting time has a high priority level and the battery with a long waiting time has a low priority level.
And S208, determining the actual number of charging circuits for charging the battery according to the charging priority and the target number.
Specifically, the charging circuits of the charging device are limited, a sufficient target number of charging circuits may not be allocated to each battery for charging, and the actual number of the charging batteries allocated to each battery may be the target number or may be smaller than the target number; if not, determining the number of the idle charging circuits as the actual number of the charging circuits for charging the battery, and marking the battery as the first battery.
Exemplarily, assuming that the total number of charging circuits is 10, any two charging interfaces of the battery 1 and the battery 2 are currently accessed, wherein the number of charging circuits for charging the battery 1 in parallel is 7, the number of charging circuits for charging the battery 2 in parallel is 4, and the charging priority level of the battery 2 is higher than the charging priority level of the battery 1, a charging circuit is first allocated to the battery 2, when a charging circuit is allocated to the battery 2, the target number of charging circuits for charging the battery 2 in parallel is 4, the current idle charging circuit number is 10, the actual number of charging circuits for charging the battery 2 in parallel is determined to be 4, the remaining 6 idle charging circuits, when a charging circuit is allocated to the battery 1, the target number of charging circuits for charging the battery 1 in parallel is 7, the actual number of charging circuits for charging the battery 1 in parallel is determined to be 6, and marks the battery 1 as a first battery, the first battery being a type of battery in which the actual number of charging circuits for charging a certain battery is smaller than the target number.
And S209, controlling the actual number of charging circuits to charge the battery.
After the actual number of the charging circuits of each battery is determined, the controller may control each switch, so that the actual number of the charging circuits charges each battery, specifically, the controller may set an interface ID for each charging interface, determine an ID of a charging interface to which each battery is connected, an ID of an idle charging circuit, and a switch corresponding to each charging interface, and when the controller controls the actual number of the charging interfaces to charge one battery, the controller may send an enable signal to the switch of the charging circuit to which the charging interface to which the battery is connected belongs and the switch of the charging circuit to which other charging interfaces to which no battery is connected belong, according to the ID of the charging interface to which the battery is connected and the ID of the idle charging circuit, so that the actual number of the charging circuits charge one battery.
Optionally, in the charging process, the controller may obtain, in real time, battery states of the batteries, where the battery states include a full state and a charging state, where the full state indicates that the batteries are fully charged, the charging state indicates that the batteries are still in charging, and when the battery state is the full state, a second battery whose battery state is the charging state is determined in the first battery, and the charging circuit that controls the battery in the full state to charge the second battery. Specifically, the first battery is a battery with the actual number of the allocated charging circuits smaller than the target number, when the battery is fully charged, the charging circuits are released, the charging circuits are idle, and the released idle charging circuits can be controlled to charge the first battery, so that the actual number of the charging circuits of the first battery is increased.
More preferably, the charging circuit for controlling the battery in the full charge state to charge the second battery with the highest charging priority level may be controlled according to the second battery with the highest charging priority level of the plurality of first batteries, and if there is an idle charging circuit, the idle charging circuit may be controlled to charge the second battery with the next highest charging couple priority level, and so on until all batteries are fully charged.
And S210, controlling the charging circuits with the target number to charge the battery.
When there are only 1 rechargeable battery, the target number of charging circuit circuits may be controlled to charge the battery in parallel, and during the charging process, it is detected whether there is a battery connected, and if there is a battery connected, the process returns to S205.
In order to make the charging method according to the embodiment of the present invention more clearly understood by those skilled in the art, the charging method according to the embodiment of the present invention is described below by way of example with reference to fig. 4.
As shown in fig. 4, the charging device according to the embodiment of the present invention is provided with 2 charging circuits, and the charging method includes the following processes:
and S0, starting.
And S1, connecting the battery, and electrifying the generator to start the generator.
And S2, judging whether two batteries are accessed, if not, executing S3, and if so, executing S8.
Illustratively, accessing battery a performs S3, and accessing battery a and battery B performs S8.
And S3, reading the maximum charging current of the accessed battery and calculating the maximum charging power.
Due to the fact that the battery A is connected, the maximum charging current of the battery A can be read, and the maximum charging power of the battery A is calculated through the maximum charging current.
And S4, judging whether the maximum charging power of one accessed battery is larger than half of the rated power of the generator, if so, executing S5, and if not, executing S6.
And (4) judging whether the maximum charging power of the battery A is larger than half of the rated power of the generator (two charging circuits, wherein the power of each charging circuit is half of the rated power of the generator), if so, executing S5, and if not, executing S6.
And S5, controlling the two charging circuits to charge the battery.
If the maximum charging power of the battery A is larger than half of the rated power of the generator, the battery A can be charged by two charging circuits, and the two charging circuits can be controlled to charge the battery A.
And S6, controlling a charging circuit to charge the battery.
Because the maximum charging power of the battery A is less than half of the rated power of the generator, the battery A can be charged by only one charging circuit, and one charging circuit can be controlled to charge the battery A.
And S7, judging whether another battery is accessed, if so, executing S8, and if not, executing S12.
If the battery A is accessed and the battery B is accessed, S8 is executed, otherwise, S12 is executed until the battery A is fully charged and then the battery A is shut down.
And S8, reading the maximum charging current of the two accessed batteries and calculating the maximum charging power.
When two batteries are connected, for example, battery a and battery B are connected, the maximum charging power of battery a and battery B is calculated according to the maximum charging current of battery a and battery B, respectively.
And S9, judging whether the maximum charging power of any battery is larger than half of the rated power of the generator, if so, executing S10, and if not, executing S11.
Specifically, it is determined whether the maximum charging power of at least one of the batteries a and B is greater than half of the rated power of the generator (two charging circuits, each charging circuit having half of the rated power of the generator), if so, S10 is executed, and if not, S11 is executed.
And S10, controlling the two charging circuits to charge the battery with short charging time.
Alternatively, it is also possible to determine the priority of the battery first, allocate the charging circuit to the battery with the higher priority, allocate the charging circuit to the battery with the lower priority, and re-determine the charging circuit actually available for charging the battery when allocating the charging circuit.
In one example, among the battery a and the battery B, the battery a may be charged by two charging circuits, and the battery B may be charged by one or two charging circuits, if the waiting time of the battery a is shorter than the waiting time of the battery B, that is, the priority of the battery a is higher than that of the battery B, the currently available charging circuits are two, the two charging circuits are preferentially allocated to the battery a to charge the battery a, and the battery B is charged by one or two charging circuits after the battery a is fully charged because there is no remaining charging circuit.
In another example, of the battery a and the battery B, the battery a may be charged by one charging circuit, the battery B may be charged by one or two charging circuits, if the time to be charged of the battery a is shorter than the time to be charged of the battery B, i.e., the priority of the battery a is higher than the priority of the battery B, the number of the charging circuits which are currently idle is two, one charging circuit is preferentially allocated to the battery a to charge the battery a, if the battery B may be charged by one charging circuit, the battery B is charged by the remaining one charging circuit, if the battery B may be charged by two charging circuits, since only one charging circuit is left, the battery B is charged by the remaining one charging circuit, the charging circuit is released after the battery a is fully charged, and then the battery B is charged by the released charging circuit.
And S11, controlling a charging circuit to charge a battery.
If the maximum charging power of the battery A and the battery B is less than half of the rated power of the generator, namely the battery A and the battery B can be charged by only one charging circuit, the priority level of the battery A or the priority level of the battery B is high, the other charging circuit is left to charge the other battery after one charging circuit is allocated to charge one battery, for example, the priority level of the battery A is higher than that of the battery B, and the other charging circuit is left to charge the battery B after one charging circuit is allocated to the battery A.
And S12, turning off the batteries after all the batteries are fully charged.
And S13, ending.
Although the charging process is described above by taking the charging device provided with two charging circuits as an example, in implementing the embodiment of the present invention, a person skilled in the art may provide more than two charging circuits for the charging device and charge the battery by referring to the above process.
The embodiment of the invention calculates the maximum charging power of the battery by acquiring the battery information, determines the target number of the charging circuits for charging each battery according to the maximum charging power, the total number of the charging circuits and the rated power of the generator, determines the actual number of the charging circuits for charging the battery according to the charging priority of the battery when the number of the batteries is more than 1, and controls the actual number of the charging circuits to charge the battery, on one hand, a plurality of charging circuits charge one battery, not only can charge the battery according to the maximum charging power of the battery and fully utilize the power of the generator, but also can charge the battery according to a plurality of charging circuits, the charging current is large, the charging time consumption of the battery can be reduced, on the other hand, the charging circuits are distributed to the battery according to the charging priority, so that the battery with high charging priority can be distributed to more charging circuits to be charged, the battery with high priority is charged fully more quickly, and the charging efficiency is improved.
Furthermore, the priority level of the battery with short charging time is high, more charging circuits can be allocated to the battery with short charging time for charging, the battery with short charging time can be fully charged, and the full-charge battery can be provided for unmanned aerial vehicles, unmanned vehicles and other equipment in a short time.
EXAMPLE III
Fig. 5 is a schematic structural diagram of a charging device according to a third embodiment of the present invention, and as shown in fig. 5, the charging device according to the third embodiment of the present invention is applied to a charging apparatus having a plurality of charging circuits, where any number of the plurality of charging circuits can charge a battery in parallel, and the charging device includes:
a battery information obtaining module 401, configured to obtain battery information of a battery accessed to the charging device;
a maximum charging power determining module 402, configured to determine a maximum charging power of the battery according to the battery information;
a target number determining module 403, configured to determine a target number of charging circuits for charging the battery according to the maximum charging power, a preset total number of charging circuits, and a preset rated power of the charging device;
a charging control module 404 for controlling the target number of charging circuits to charge the battery.
Optionally, the target number determining module 403 includes:
the ratio calculation submodule is used for calculating the ratio of the rated power of the charging equipment to the total number of the charging circuits to obtain a first ratio;
and the target number calculation submodule is used for calculating the ratio of the maximum charging power to the first ratio and rounding up to obtain the target number of the charging circuits for charging the battery.
Optionally, the charging control module 404 includes:
the battery total number acquisition submodule is used for acquiring the total number of the batteries accessed to the charging equipment;
a battery total number judgment submodule for judging whether the total number of the batteries is equal to 1;
the first charging control submodule is used for controlling the target number of charging circuits to charge the battery;
the charging priority level determining submodule is used for determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power;
an actual number determination submodule for determining an actual number of charging circuits for charging the battery according to the charging priority and the target number;
and the second charging control submodule is used for controlling the actual number of charging circuits to charge the battery.
Optionally, the battery information includes an amount of power to be charged of the battery, and the charging priority level determination submodule includes:
the charging time calculation unit is used for calculating the ratio of the electric quantity to be charged to the maximum charging power to obtain the charging time of the battery;
the charging time sequencing unit is used for sequencing the charging time in an ascending manner to obtain a charging time sequence;
and the charging priority level determining unit is used for determining the charging priority level of the battery according to the principle that the priority level in the sequence of the time to be charged is higher than the priority level in the sequence of the time to be charged.
Optionally, the actual number determination submodule includes:
an idle charging circuit number acquisition unit configured to acquire an idle charging circuit number of a currently idle charging circuit in a process of allocating a charging circuit to each battery in an order in which the charging priority is higher than first and the charging priority is lower than second;
an idle charging circuit number judgment unit for judging whether the number of idle charging circuits is greater than the target number;
a first actual number determination unit for determining the target number as an actual number of charging circuits that charge the battery;
a second actual number determination unit for determining the number of idle charging circuits as an actual number of charging circuits to charge the battery and marking the battery as the first battery.
Optionally, the charging control module 404 further comprises:
the battery state acquisition submodule is used for acquiring the battery state of each battery in the charging process, and the battery state comprises a full-charge state and a charging state;
the second battery determining submodule is used for determining a second battery with the battery state being a charging state in the first battery when the battery state is a full state;
and the third charging control submodule is used for controlling a charging circuit for charging the battery in the full-charge state to charge the second battery.
Optionally, the charging control module 404 further comprises:
and the battery access detection submodule is used for detecting whether a third battery is accessed in the charging process, and if so, returning the total number of the batteries to obtain the submodule.
The charging device can execute the charging method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
An embodiment of the present invention further provides a charging device, where the charging device includes: one or more processors; a storage device, configured to store one or more programs, which when executed by the one or more processors, cause the one or more processors to implement the charging method according to any embodiment of the present invention.
Embodiments of the present invention further provide a computer-readable storage medium, where instructions in the storage medium, when executed by a processor of a charging device, enable the charging device to perform the charging method according to the above method embodiment.
It should be noted that, as for the apparatus, the charging device and the storage medium embodiment, since they are basically similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a robot, a personal computer, a server, or a network device) to execute the charging method according to any embodiment of the present invention.
It should be noted that, in the charging device, each included unit and each included module are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by suitable instruction execution devices. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A charging method applied to a charging apparatus provided with a plurality of charging circuits, any number of which can charge one battery in parallel, the charging method comprising:
acquiring battery information of a battery accessed to the charging equipment;
determining the maximum charging power of the battery according to the battery information;
determining a target number of charging circuits for charging the battery according to the maximum charging power, a preset total number of the charging circuits and a preset rated power of the charging device;
and controlling the target number of charging circuits to charge the battery.
2. The charging method of claim 1, wherein determining the target number of charging circuits for charging the battery as a function of the maximum charging power, the preset total number of charging circuits, and a preset rated power of the charging device comprises:
calculating the ratio of the rated power of the charging equipment to the total number of the charging circuits to obtain a first ratio;
calculating a ratio of the maximum charging power to the first ratio and rounding up to obtain a target number of charging circuits for charging the battery.
3. The charging method according to claim 1 or 2, wherein the controlling the target number of charging circuits to charge the battery comprises:
acquiring the total number of batteries accessed to the charging equipment;
determining whether the total number of the batteries is equal to 1;
if yes, controlling the charging circuits with the target number to charge the battery;
if not, determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power;
determining an actual number of charging circuits to charge the battery according to the charging priority and the target number;
and controlling the actual number of charging circuits to charge the battery.
4. The charging method according to claim 3, wherein the battery information includes an amount of power to be charged of the battery, and the determining the charging priority level of the battery according to the battery information of the battery and the maximum charging power includes:
calculating the ratio of the electric quantity to be charged to the maximum charging power to obtain the time to be charged of the battery;
sequencing the time to be charged in an ascending order to obtain sequencing of the time to be charged;
and determining the charging priority level of the battery according to the principle that the priority level in the sequence of the time to be charged is higher than the priority level in the sequence of the time to be charged.
5. The charging method of claim 3, wherein said determining an actual number of charging circuits to charge the battery based on the charging priority level and the target number comprises:
acquiring the number of idle charging circuits of the current idle charging circuit in the process of distributing the charging circuits to each battery according to the sequence that the charging priority is higher than first and the charging priority is lower than last;
judging whether the number of the idle charging circuits is larger than the target number;
if so, determining the target number as the actual number of charging circuits for charging the battery;
if not, determining that the number of the idle charging circuits is the actual number of the charging circuits for charging the battery, and marking the battery as the first battery.
6. The method of claim 5, further comprising, after controlling the actual number of charging circuits to charge the battery in parallel:
in the charging process, acquiring the battery state of each battery, wherein the battery state comprises a full-charge state and a charging state;
when the battery state is a full state, determining a second battery with the battery state being a charging state in the first battery;
a charging circuit that controls charging of the battery in the full charge state charges the second battery.
7. The charging method according to claim 6, further comprising, after controlling the target number of charging circuits to charge the battery:
in the charging process, whether a third battery is accessed is detected;
and if so, returning to the step of acquiring the total number of the batteries accessed to the charging equipment.
8. A charging apparatus, applied to a charging device provided with a plurality of charging circuits in which an arbitrary number of charging circuits can charge one battery in parallel, comprising:
the battery information acquisition module is used for acquiring the battery information of a battery accessed to the charging equipment;
the maximum charging power determining module is used for determining the maximum charging power of the battery according to the battery information;
a target number determination module, configured to determine a target number of charging circuits for charging the battery according to the maximum charging power, a preset total number of charging circuits, and a preset rated power of the charging device;
and the charging control module is used for controlling the charging circuits with the target number to charge the battery.
9. A charging apparatus, characterized in that the charging apparatus comprises:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the charging method of any one of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the charging method according to any one of claims 1 to 7.
CN202011584071.2A 2020-12-28 2020-12-28 Charging method, charging device, charging equipment and storage medium Pending CN112721664A (en)

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Application publication date: 20210430