CN113098099A - Microphone, charging unit and charging method thereof - Google Patents
Microphone, charging unit and charging method thereof Download PDFInfo
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- CN113098099A CN113098099A CN202110394978.0A CN202110394978A CN113098099A CN 113098099 A CN113098099 A CN 113098099A CN 202110394978 A CN202110394978 A CN 202110394978A CN 113098099 A CN113098099 A CN 113098099A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
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- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
Abstract
The invention is suitable for charging batteries, and provides a microphone, a charging unit and a charging method thereof, wherein the charging unit comprises an interface module, a control module and a charging module, the interface module receives charging current transmitted by external power supply equipment and sends the charging current to the control module, the control unit acquires temperature information of a battery to be charged, and sends the charging current and a target charging current value to the charging module after determining the target charging current value according to the temperature information, and the charging module converts the charging current into the target charging current according to the target charging current value and charges the battery to be charged. According to the invention, the temperature information is obtained by obtaining the battery to be charged, the target charging current of the battery to be charged is determined according to the temperature information, the charging current can be flexibly adjusted according to the temperature information, the charging modes are various, and meanwhile, different currents can be used for charging according to different temperatures because the size of the charging current is adjusted according to the temperature information, so that the charging time is reduced.
Description
Technical Field
The invention belongs to the technical field of microphones, and particularly relates to a microphone, a charging unit of the microphone and a charging method of the microphone.
Background
In the prior art, the microphone is powered by an alkaline battery, which has the disadvantages that the alkaline battery needs to be manually replaced when the alkaline battery is not powered, time and labor are wasted, and a charger is additionally provided when the alkaline battery is a rechargeable alkaline battery, so that a customer needs to separately provide a spare battery.
At present, microphones capable of being directly charged are also available in the market, and a non-detachable lithium battery is arranged in the microphone capable of being directly charged and is powered by the lithium battery. When charging is needed, the built-in lithium battery can be charged by directly inserting the charging plug, but the microphone capable of being directly charged has the problems of single charging mode and long charging time.
Disclosure of Invention
The invention aims to provide a microphone, a charging unit thereof and a charging method thereof, and aims to solve the problems of single charging mode and long charging time in the prior art.
The invention is realized in such a way that a charging unit comprises an interface module, a control module and a charging module:
the interface module is connected with external power supply equipment and used for receiving charging current transmitted by the external power supply equipment and sending the charging current to the control module;
the control module is connected with a battery to be charged and used for acquiring temperature information of the battery to be charged, determining a target charging current value according to the temperature information and sending the charging current and the target charging current value to the charging module;
the charging module is used for converting the charging current into a target charging current according to the target charging current value and charging the battery to be charged with the target charging current.
Further, the charging unit further includes;
and the protection module is connected with the battery to be charged and used for acquiring target information of the battery to be charged and executing protection operation on the battery to be charged according to the target information, wherein the target information comprises charging current, discharging current, overcharging information, overdischarging information and short circuit information of the battery to be charged.
Further, the step of the control module determining the target charging current value according to the temperature information includes:
reading a charging current comparison table according to the temperature information, wherein the charging current comparison table stores charging current values corresponding to all temperature values;
and acquiring a charging current value corresponding to the temperature information, and taking the charging current value corresponding to the temperature information as a target charging current value.
Furthermore, four charging current values are stored in the charging current comparison table, and each charging current value corresponds to one temperature range.
Further, the control module does not execute relevant operations when judging that the temperature information is larger than a preset high temperature value or smaller than a preset low temperature value.
The embodiment of the invention also provides a charging method, which comprises the following steps:
responding to the insertion operation, and acquiring the charging current input by the input interface;
acquiring temperature information of a battery to be charged;
determining a target charging current value according to the temperature information, and converting the charging current into a target charging current according to the target charging current value;
and charging the battery to be charged by using the target charging current.
Further, the determining a target charging current value according to the temperature information includes:
reading a charging current comparison table;
searching a temperature value corresponding to the temperature information in the charging current comparison table;
and acquiring a charging current value corresponding to the temperature value, and taking the charging current value as the target charging current value.
Further, after the charging the battery to be charged with the target charging current, the method further includes:
acquiring target information of the battery to be charged;
and judging that the target information of the battery to be charged meets a starting protection operation condition, and if so, executing protection operation on the battery to be charged.
Further, four charging current values are stored in the charging current comparison table, each charging current value corresponds to a temperature range, and the determining a target charging current value according to the temperature information includes:
and when the temperature information is determined to be in a certain temperature range, taking the charging current value corresponding to the temperature range as the target charging current value.
The embodiment of the invention also provides a microphone which comprises a battery and the charging unit.
Compared with the prior art, the invention has the beneficial effects that: the charging unit provided by the embodiment of the invention comprises an interface module, a control module and a charging module, wherein the interface module receives charging current transmitted by external power supply equipment and sends the charging current to the control module, the control unit acquires temperature information of a battery to be charged, and sends the charging current and a target charging current value to the charging module after determining the target charging current value according to the temperature information, and the charging module converts the charging current into the target charging current according to the target charging current value and charges the battery to be charged. According to the embodiment of the invention, the temperature information is obtained by obtaining the battery to be charged, the target charging current of the battery to be charged is determined according to the temperature information, the charging current can be flexibly adjusted according to the temperature information, the charging modes are various, and meanwhile, the size of the charging current is adjusted according to the temperature information, so that different currents can be used for charging according to different temperatures, and the charging time is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a charging unit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a charging unit according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a protection module according to an embodiment of the present invention;
fig. 4 is a flowchart of a charging method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a microphone according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention 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 invention and are not intended to limit the invention.
Fig. 1 shows a charging unit provided in an embodiment of the present invention, and the charging unit includes an interface module 100, a control module 200, and a charging module 300:
the interface module 100 is connected to an external power supply device, and is configured to receive a charging current transmitted by the external power supply device and send the charging current to the control module 200;
the charging system comprises a control module 200, a charging module 300 and a charging module, wherein the control module 200 is connected with a battery to be charged and is used for acquiring temperature information of the battery to be charged, determining a target charging current value according to the temperature information and sending the charging current and the target charging current value to the charging module 300;
the charging module 300 is configured to convert the charging current into a target charging current according to the target charging current value, and charge the battery to be charged with the target charging current.
In an embodiment of the present invention, the interface module 100 includes an input interface through which the external power supply device can input the charging current, and specifically, the input interface may be a USB interface, a lighting interface, a type-c interface, or another interface. In one embodiment of the invention, the input interface is a type-c interface, and the type-c interface can obtain charging current from an external power supply device and can also perform data interaction with other external devices. In a specific implementation, the type-c interface can be used for data communication and carrying charging current of up to 100W of power. In other embodiments, the external power supply device includes a charger supporting a fast charging protocol, which is connected to the type-c interface and inputs a charging current.
In the present embodiment, the control module 200 mainly functions to enable the interface module 100 to communicate with the charging module 300, and more specifically, to enable the charger supporting the fast charging protocol to communicate with the charging module 300. In a specific implementation process, the to-be-charged battery is provided with an NTC thermistor, the control module detects the temperature change of the NTC (negative temperature coefficient) thermistor in the to-be-charged battery in real time in the working process, the working principle of the control module 200 conforms to the JEITA specification, and the control module 200 is configured to generate a corresponding target charging current value according to the temperature information of the thermistor in the to-be-charged battery. In a specific real-time process, the control module 200 is configured to generate corresponding target charging current values according to the 4 temperature ranges, so that the charging module 300 charges the battery to be charged according to the target charging current values. The 4 temperature ranges correspond to a charging current, and the control module 200 determines the temperature range in which the temperature information is located after acquiring the temperature information of the thermistor of the battery to be charged, and determines the target charging current value according to the temperature range. The control module 200 stores a charging current comparison table, the charging current comparison table stores charging current values corresponding to the temperature values, the control module 200 reads the charging current comparison table according to the temperature information to obtain the charging current value corresponding to the temperature information, and the charging current value corresponding to the temperature information is used as a target charging current value. Meanwhile, the control module 200 does not perform the relevant operation when judging that the temperature information is greater than the preset high temperature value or less than the preset low temperature value. The control module 200 does not charge the battery to be charged when the temperature is too high or too low, in order to avoid safety problems.
In a specific implementation process of the charging module 300, the charging current input by the external power supply device is converted according to the target charging current value sent by the control module 200, and the charging current input by the external power supply device is converted into the target charging current corresponding to the target charging current value, so that the battery to be charged is charged. In practical application, the battery to be charged is a 18650 lithium battery arranged inside the microphone, and the 18650 lithium battery supports 2C current at most. In other embodiments, the battery to be charged may also be a single battery or a battery pack.
In the embodiment of the present invention, the control module 200 acquires the temperature information of the thermistor of the battery to be charged, and after determining the target charging current value according to the temperature information, the charging module 300 is responsible for charging the battery to be charged (i.e. the 18650 lithium battery mentioned above), the control module 200 and the charging module cooperate together to perform charging management, and 4 temperature intervals are adopted, and the charging current in each temperature interval is different, so that the aims of not wasting the reactive current and charging quickly and safely are achieved. The embodiment of the invention is provided with 4 temperature areas, and the battery is charged by maximum charging current in a reasonable temperature interval by collecting the temperature change of the thermistor in the charging battery. Above 45 deg. no charging is performed because the lithium battery causes safety problems with the same current under low and high temperature conditions.
Fig. 2 shows another embodiment of the present invention to provide a charging unit, further comprising:
the protection module 400 is connected to the to-be-charged battery, and configured to acquire target information of the to-be-charged battery, and perform a protection operation on the to-be-charged battery according to the target information, where the target information includes a charging current, a discharging current, overcharge information, overdischarge information, and short circuit information of the to-be-charged battery.
Fig. 3 shows a structure of the protection module 400, wherein the protection module 400 is a protection board, and the protection board is connected to the battery to be charged and is used for acquiring temperature information of the battery to be charged and performing corresponding protection operations according to the temperature information, where the corresponding protection operations include overcharge protection, overdischarge protection, discharge overcurrent protection, charge overcurrent protection, short circuit protection, and the like. In fig. 3, P + is connected to the positive electrode of the battery to be charged, P-is connected to the negative electrode of the battery to be charged, and the NTC on the protection plate is used to obtain charging temperature information of the charging module 300 during charging, so as to send charging high temperature information to the control module 200 when the charging module 300 has a high temperature during charging, so that the control module 200 can take temperature protection measures on the charging module 300 according to the charging temperature information, such as controlling the charging module 300 to stop charging or reduce the charging power of the charging module 300. The embodiment of the invention can protect the battery to be charged when the battery to be charged is charged by adding the protection module 400.
Fig. 4 illustrates a charging method of a charging unit provided in an embodiment of the present invention, including:
and S400, responding to the inserting operation, and acquiring the charging current input by the input interface.
In this step, the interface module 100 obtains the charging current input from the input interface when detecting that the input interface has the insertion operation. Specifically, the user uses a charger to perform charging, and the interface module 100 will obtain the charging current input by the charger when detecting that the charger is inserted.
S401, temperature information of the battery to be charged is obtained.
In this step, the temperature information of the battery to be charged can be obtained by acquiring the NTC thermistor in the battery to be charged.
S402, determining a target charging current value according to the temperature information, and converting the charging current into a target charging current according to the target charging current value.
In this step, the step of determining the target charging current value based on the temperature information includes: reading a charging current comparison table; searching a temperature value corresponding to the temperature information in the charging current comparison table; and acquiring a charging current value corresponding to the temperature value, and taking the charging current value as the target charging current value. In another embodiment of this step, four charging current values are stored in the charging current comparison table, each charging current value corresponds to a temperature range, and the determining a target charging current value according to the temperature information includes: and when the temperature information is determined to be in a certain temperature range, taking the charging current value corresponding to the temperature range as the target charging current value.
And S403, charging the battery to be charged by using the target charging current.
S404, acquiring the target information of the battery to be charged, judging that the target information of the battery to be charged meets the condition of starting protection operation, and if so, executing protection operation on the battery to be charged.
In the embodiment of the present invention, the control module in the charging unit is provided with 4 temperature ranges, each temperature range corresponds to one charging current, that is, each temperature range corresponds to one charging module, and each charging mode corresponds to one charging current. The charging unit provided by the embodiment of the invention has a single mode, and can be charged with different charging currents according to the temperature of the battery to be charged, so that the charging efficiency is improved, and the charging time is shortened.
Fig. 5 shows a microphone provided in an embodiment of the present invention, which includes a battery and the charging unit provided in fig. 1 or fig. 2.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules or components may be combined or integrated into another apparatus, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the microphone, the charging unit and the charging method thereof according to the present invention, those skilled in the art will recognize that there are variations in the embodiments and applications of the microphone according to the concepts of the present invention.
Claims (10)
1. A charging unit is characterized by comprising an interface module, a control module and a charging module:
the interface module is connected with external power supply equipment and used for receiving charging current transmitted by the external power supply equipment and sending the charging current to the control module;
the control module is connected with a battery to be charged and used for acquiring temperature information of the battery to be charged, determining a target charging current value according to the temperature information and sending the charging current and the target charging current value to the charging module;
the charging module is used for converting the charging current into a target charging current according to the target charging current value and charging the battery to be charged with the target charging current.
2. The charging unit of claim 1, further comprising;
and the protection module is connected with the battery to be charged and used for acquiring target information of the battery to be charged and executing protection operation on the battery to be charged according to the target information, wherein the target information comprises charging current, discharging current, overcharging information, overdischarging information and short circuit information of the battery to be charged.
3. The charging unit of claim 1, wherein the step of the control module determining a target charging current value based on the temperature information comprises:
reading a charging current comparison table according to the temperature information, wherein the charging current comparison table stores charging current values corresponding to all temperature values;
and acquiring a charging current value corresponding to the temperature information, and taking the charging current value corresponding to the temperature information as a target charging current value.
4. The charging unit of claim 3, wherein four charging current values are stored in the charging current lookup table, each charging current value corresponding to a temperature range.
5. The charging unit according to claim 1, wherein the control module does not perform a related operation when determining that the temperature information is greater than a preset high temperature value or less than a preset low temperature value.
6. A method of charging, comprising:
responding to the insertion operation, and acquiring the charging current input by the input interface;
acquiring temperature information of a battery to be charged;
determining a target charging current value according to the temperature information, and converting the charging current into a target charging current according to the target charging current value;
and charging the battery to be charged by using the target charging current.
7. The charging method of claim 6, wherein the determining a target charging current value from the temperature information comprises:
reading a charging current comparison table;
searching a temperature value corresponding to the temperature information in the charging current comparison table;
and acquiring a charging current value corresponding to the temperature value, and taking the charging current value as the target charging current value.
8. The charging method according to claim 7, wherein after the charging the battery to be charged with the target charging current, further comprising:
acquiring target information of the battery to be charged;
and judging that the target information of the battery to be charged meets a starting protection operation condition, and if so, executing protection operation on the battery to be charged.
9. The charging method of claim 7, wherein four charging current values are stored in the charging current lookup table, each charging current value corresponding to a temperature range, and the determining the target charging current value according to the temperature information comprises:
and when the temperature information is determined to be in a certain temperature range, taking the charging current value corresponding to the temperature range as the target charging current value.
10. A microphone, characterized by comprising a battery and a charging unit according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110394978.0A CN113098099A (en) | 2021-04-13 | 2021-04-13 | Microphone, charging unit and charging method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110394978.0A CN113098099A (en) | 2021-04-13 | 2021-04-13 | Microphone, charging unit and charging method thereof |
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| CN113098099A true CN113098099A (en) | 2021-07-09 |
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| CN202110394978.0A Pending CN113098099A (en) | 2021-04-13 | 2021-04-13 | Microphone, charging unit and charging method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023001214A1 (en) * | 2021-07-22 | 2023-01-26 | 深圳市正浩创新科技股份有限公司 | Multi-battery-pack charging management method and apparatus, and energy storage device |
| CN116243197A (en) * | 2023-05-12 | 2023-06-09 | 国民技术股份有限公司 | Method and device for predicting SOH of battery |
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| CN109038720A (en) * | 2018-07-27 | 2018-12-18 | 维沃移动通信有限公司 | A kind of charging unit, terminal device and charging method |
| CN111564888A (en) * | 2020-06-10 | 2020-08-21 | 北京汇能精电科技股份有限公司 | Charging control method and device based on temperature feedback |
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| US20120019197A1 (en) * | 2010-07-23 | 2012-01-26 | Samsung Electronics Co., Ltd | Apparatus and method to charge a battery |
| CN105071473A (en) * | 2015-08-11 | 2015-11-18 | 小米科技有限责任公司 | USB charging method and device |
| CN109038720A (en) * | 2018-07-27 | 2018-12-18 | 维沃移动通信有限公司 | A kind of charging unit, terminal device and charging method |
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| WO2023001214A1 (en) * | 2021-07-22 | 2023-01-26 | 深圳市正浩创新科技股份有限公司 | Multi-battery-pack charging management method and apparatus, and energy storage device |
| CN116243197A (en) * | 2023-05-12 | 2023-06-09 | 国民技术股份有限公司 | Method and device for predicting SOH of battery |
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Application publication date: 20210709 |