CN113162196A - Device for protecting battery, control method, wearable device and storage medium - Google Patents
Device for protecting battery, control method, wearable device and storage medium Download PDFInfo
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- CN113162196A CN113162196A CN202110518286.2A CN202110518286A CN113162196A CN 113162196 A CN113162196 A CN 113162196A CN 202110518286 A CN202110518286 A CN 202110518286A CN 113162196 A CN113162196 A CN 113162196A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000007600 charging Methods 0.000 claims abstract description 157
- 230000005611 electricity Effects 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims description 27
- 238000004590 computer program Methods 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000010277 constant-current charging Methods 0.000 description 3
- 238000010280 constant potential charging Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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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
- H02J7/00712—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
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The embodiment of the invention relates to the technical field of circuits, and discloses a device for protecting a battery, a control method, wearable equipment and a storage medium. The device for protecting a battery of the present application includes: the charging device comprises a charging chip, a control unit and a power utilization unit; the input end of the charging chip is connected with an external power supply; the output end of the charging chip is respectively connected with a battery and the power utilization unit; the control unit is used for controlling the electricity utilization unit to be started when the battery is in a pre-charging stage; the power utilization unit is used for consuming the current output by the charging chip when the power utilization unit is started. This application is through connecting the battery and pre-charge current drain unit at the output of charging chip, and in the pre-charge stage, the current that partial charging chip output can be consumed to the current that makes input to the battery is within the standard specification that the firm made, has improved the life of battery.
Description
Technical Field
The embodiment of the invention relates to the technical field of circuits, in particular to a device for protecting a battery, a control method, wearable equipment and a storage medium.
Background
At present, lithium batteries are widely used in daily life, including computers, mobile phones, smart watches, and the like. Lithium battery charging is generally divided into three phases: namely a pre-charging stage, a constant current charging stage and a constant voltage charging stage, the charging voltage and current of each stage are set by a threshold so as to ensure the service life of the battery and the charging times, and the charging times are generally set by a battery manufacturer; the pre-charging stage is set to activate the battery and form a stable Solid Electrolyte Interface (SEI) film inside the lithium battery, the required current is small, and if the charging current is large, the SEI film is damaged, which results in the reduction of the service life of the lithium battery; in order to increase the service life of the battery, the battery manufacturer will set a maximum charging current for the battery during the pre-charging phase.
However, in the field of smart watches, the battery capacity of a smart watch is small due to the limited size of the smart watch, so that the maximum charging current of a battery in a pre-charging stage, which is set by a battery manufacturer, is also small, and the adjustable minimum charging current of a charging chip at a charging interface of the smart watch still exceeds the standard set by the battery manufacturer, so that the service life of the battery is short.
Disclosure of Invention
An object of the embodiments of the present invention is to provide an apparatus, a control method, a wearable device, and a storage medium for protecting a battery, so that a current input to the battery in a pre-charging stage can be within a specification set by a manufacturer, thereby improving a service life of the battery.
To solve the above technical problem, an embodiment of the present invention provides an apparatus for protecting a battery, including: the charging device comprises a charging chip, a control unit and a power utilization unit; the input end of the charging chip is connected with an external power supply, and the output end of the charging chip is respectively connected with a battery and the power utilization unit; the control unit is used for controlling the starting of the electricity utilization unit when the battery is in a pre-charging stage; the power utilization unit is used for consuming the current output by the charging chip when the power utilization unit is started.
An embodiment of the present invention further provides a wearable device, including: the above-described device for protecting a battery.
An embodiment of the present invention further provides a control method of an apparatus for protecting a battery, which is applied to a control unit in the above apparatus for protecting a battery, and the apparatus for protecting a battery further includes: the system comprises a charging chip, a power utilization unit and a monitoring unit; the input end of the charging chip is connected with an external power supply; the output end of the charging chip is respectively connected with the battery and the power utilization unit; the method comprises the following steps: receiving the state parameters of the battery sent by the monitoring unit; judging whether the battery is in a pre-charging stage or not according to the state parameters; if yes, controlling the power utilization unit to be started; if not, controlling the power utilization unit to be closed.
Embodiments of the present invention also provide a computer-readable storage medium storing a computer program that, when executed by a processor, implements the control method of the apparatus for protecting a battery described above.
Compared with the prior art, the embodiment of the invention has the advantages that the battery and the pre-charging current consumption unit are connected at the output end of the charging chip, and the pre-charging current consumption unit can consume part of the current output by the charging chip in the pre-charging stage, so that the current input to the battery is within the standard specification established by a manufacturer, and the service life of the battery is prolonged.
In addition, the apparatus for protecting a battery further includes: a monitoring unit; the monitoring unit is used for monitoring the state parameters of the battery and sending the state parameters to the control unit; the control unit is used for determining the charging state of the battery according to the state parameters and controlling the power utilization unit to be started when the battery is in a pre-charging stage.
In addition, the apparatus for protecting a battery further includes: a voltage control unit; the voltage control unit is arranged between the power utilization unit and the output end of the charging chip; the control unit is connected with the power utilization unit through the voltage control unit; the control unit is used for controlling the voltage control unit to be started when the battery is in a pre-charging stage; the voltage control unit is used for controlling the voltage input to the electricity utilization unit.
In addition, the control unit is also connected with the charging chip; the control unit is further used for obtaining an output current value of the charging chip, obtaining a reference current value according to the output current value of the charging chip and a pre-stored rated current value of the battery in a pre-charging stage, and sending the reference current value to the power utilization unit; and the power utilization unit is used for operating according to the reference current value.
In addition, the voltage control unit is a boost circuit.
In addition, the power utilization unit comprises a current control chip and an infrared light emitter; the output end of the charging chip is connected with the current control chip, the control unit is connected with the current control chip, and the current control chip is connected with the infrared light emitter.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural view of an apparatus for protecting a battery according to a first embodiment of the present application;
fig. 2 is a schematic structural view of an apparatus for protecting a battery according to a second embodiment of the present application;
FIG. 3 is a schematic diagram of another apparatus for protecting a battery according to a second embodiment of the present application;
fig. 4 is a schematic structural view of an apparatus for protecting a battery according to a third embodiment of the present application;
fig. 5 is a schematic structural view showing a specific structure of an apparatus for protecting a battery according to a third embodiment of the present application;
fig. 6 is a schematic structural view showing a specific structure of an apparatus for protecting a battery according to a third embodiment of the present application;
fig. 7 is a flowchart schematically illustrating a control method of an apparatus for protecting a battery according to a fifth embodiment of the present application;
fig. 8 is a flowchart illustrating a control method of an apparatus for protecting a battery according to a sixth embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
A first embodiment of the present application relates to a device for protecting a battery, which is specifically configured as shown in fig. 1, and includes: charging chip 101, control unit 103, power consumption unit 104.
Specifically, the input end of the charging chip 101 is connected to an external power supply (not shown); the output end of the charging chip 101 is respectively connected with the battery 102 and the electricity utilization unit 104; the control unit 103 is connected with the electricity utilization unit 104; the control unit 103 is used for controlling the power utilization unit 104 to be started when the battery 102 is in a pre-charging stage; the power consumption unit 104 is used to consume the current output from the charging chip 101 when turned on.
The control unit may be controlled manually or automatically, and this embodiment is not limited thereto.
In practical applications, the charging chip 101 is disposed at a charging interface of the terminal, and is used for adjusting a current of the terminal for charging. For example, a charger is generally provided with a rated current, when a terminal is charged through a charging interface, the current input to the charging interface of the terminal by the charger is fixed, but since different terminals can bear different current levels, a charging chip 101 is required to be arranged at the charging interface for adjusting the current input to the terminal.
In the related art, because the specification of the charging chip at the present stage is limited, even if the charging chip capable of being adjusted to the lowest current is selected, the adjustable lowest current of the charging chip is still larger than the standard specification of the battery at the pre-charging stage, which affects the service life of the battery; therefore, in the present embodiment, by connecting the battery 102 and the power consumption unit 103 at the output end of the charging chip 101, the power consumption unit 103 can consume part of the current output by the charging chip 101 during the pre-charging stage, so as to reduce the current input to the battery 102, so that the current input to the battery 102 is within the standard specification established by the manufacturer, and the service life of the battery 102 is prolonged.
A second embodiment of the present invention relates to an apparatus for protecting a battery. The second embodiment is substantially the same as the first embodiment, with the main differences being: in a second embodiment of the present invention, the apparatus for protecting a battery further comprises: and a monitoring unit.
The specific structure of the device for protecting a battery according to the present embodiment is shown in fig. 2, and includes: the charging device comprises a charging chip 201, a control unit 203, a power utilization unit 204 and a monitoring unit 205.
Specifically, the input end of the charging chip 201 is connected to an external power supply (not shown); the output end of the charging chip 201 is respectively connected with the battery 202 and the power utilization unit 204; the control unit 203 is connected with the electricity utilization unit 204; a first end of the monitoring unit 205 is connected with the battery 202, and a second end of the monitoring unit 205 is connected with the control unit 203; the control unit 203 is used for controlling the power utilization unit 204 to be started when the battery 202 is in a pre-charging stage; the power consumption unit 204 is used for consuming the current output by the charging chip 201 when being turned on. The monitoring unit 205 is configured to monitor a state parameter of the battery 202 and send the state parameter to the control unit 203; the control unit 203 is configured to determine a charging state of the battery 202 according to the state parameter, and control the power utilization unit 204 to be turned on when the battery 202 is in a pre-charging stage.
In the embodiment, the monitoring unit 205 can monitor the state parameter of the battery 202 and send the state parameter to the control unit 203, the control unit 203 can determine whether the battery 202 is in the pre-charging stage according to the state parameter, and the control unit 203 can control the power consumption unit 204 to consume the current output by the charging chip 201 when the battery 202 is in the pre-charging stage, so as to reduce the current input to the battery 202 in an automatic control manner.
In practical applications, the state parameter may be a current value or a voltage value of the battery 202, and the embodiment is not particularly limited. In practical applications, when the state parameter is a current value, since the current value of the battery is small in the pre-charge stage, the control unit 203 may set a preset current threshold, and when the current value of the battery 202 is smaller than or equal to the preset current threshold, it is determined that the battery 202 is in the pre-charge stage; when the state parameter is a voltage value, the control unit 203 may set a preset voltage threshold value because the voltage value of the battery 202 is smaller in the pre-charge stage, and when the voltage value of the battery 202 is smaller than or equal to the preset voltage threshold value, it is determined that the battery 202 is in the pre-charge stage.
In one example, the monitoring unit 205 is a coulometer. Specifically, the coulomb meter is a programmable digital ammeter, and can output the current voltage of the battery 202 to the control unit 203 after performing operation processing on an input signal.
In one example, as shown in fig. 3, which is a schematic structural diagram of another apparatus for protecting a battery of this embodiment, the apparatus for protecting a battery of this embodiment further includes: a voltage control unit 206; the voltage control unit 206 is arranged between the power utilization unit 204 and the output end of the charging chip 201; the control unit 203 is connected to the power consumption unit 204 via the voltage control unit 206.
The apparatus for protecting a battery of the present embodiment includes: charging chip 201, control unit 203, power consumption unit 204, voltage control unit 206.
Specifically, the input end of the charging chip 201 is connected to an external power supply (not shown); the output end of the charging chip 201 is connected with the battery 202, and the output end of the charging chip 201 is also connected with the electricity utilization unit 204 through the voltage control unit 206; the control unit 203 is connected to the voltage control unit 206, i.e. the control unit 203 is connected to the electricity consuming unit 204 through the voltage control unit 206.
The embodiment may further include a monitoring unit, a first end of the monitoring unit is connected to the battery 202, and a second end of the monitoring unit is connected to the control unit 203, so as to monitor the battery state.
Specifically, the control unit 203 is configured to control the voltage control unit 206 to turn on when the battery 202 is in the pre-charge phase; the voltage control unit 206 is used to control the voltage input to the power consuming unit 204.
Specifically, a part of the current output from the charging chip 201 is transmitted to the battery 202, and the other part is transmitted to the power consumption unit 204 through the voltage control unit 206; when the battery 202 is in the pre-charge phase, the control unit 203 controls the voltage control unit 206 to turn on so as to turn on the power utilization unit 204, and at this time, the power utilization unit 204 starts to consume the current output by the charging chip 201.
In practical applications, when the battery 202 is in the pre-charge phase, the control unit 203 controls the voltage control unit 206 to be in an operating state, and the voltage control unit 206 can adjust the voltage input to the power consumption unit 204, that is, the power consumption unit 204 operates according to the voltage adjusted by the voltage control unit 206, so that the operating process of the power consumption unit 204 can be regularly operated, and abnormal operation of the power consumption unit 204 caused by mismatch between the input voltage of the power consumption unit 204 and the rated voltage is avoided.
In one example, the voltage control unit 206 is a boost circuit. Specifically, the boost circuit is a switching dc boost circuit that can adjust the voltage input to the power consumption unit 204 to a voltage required for the normal operation of the power consumption unit 204.
A third embodiment of the present invention relates to an apparatus for protecting a battery. The third embodiment is substantially the same as the first embodiment, with the main differences being: in the third embodiment of the present invention, the control unit is further connected to a charging chip.
The specific structure of the device for protecting a battery according to this embodiment is shown in fig. 4, and includes: charging chip 301, control unit 303, power consumption unit 304.
Specifically, the input end of the charging chip 301 is connected to an external power supply (not shown); the output end of the charging chip 301 is respectively connected with a battery 302 and an electricity utilization unit 304; it should be noted that, for the control unit 303 connected to the power utilization unit 304, the same or corresponding parts as those in the second embodiment are omitted for avoiding redundancy.
Specifically, the control unit 303 of the present embodiment is also connected to the charging chip 301; the control unit 303 is further configured to obtain an output current value of the charging chip 301, obtain a reference current value according to the output current value of the charging chip 301 and a pre-stored rated current value of the battery 302 in a pre-charging stage, and send the reference current value to the electricity utilization unit 302; the power utilization unit 302 is configured to operate according to a reference current value.
Specifically, the control unit 303 presets the rated current value of the battery 302 in the pre-charging stage, i.e. the standard specification set by the manufacturer; when the control unit 303 obtains the output current value of the charging chip 301, the reference current value of the electricity consumption unit 304 can be obtained by calculating according to the output current value of the charging chip 301 and the rated current of the battery 302 in the pre-charging stage, so that the reference current value is sent to the electricity consumption unit 304, and the electricity consumption unit 304 operates according to the reference current value to consume part of the current output by the charging chip 301. It should be noted that the reference current value should be greater than or equal to the difference between the output current value of the charging chip and the rated current value of the battery in the pre-charging phase, so as to ensure that the current input to the battery 302 is within the rated current value in the pre-charging phase.
In one example, as shown in fig. 5, the apparatus for protecting a battery further includes a monitoring unit 305, a voltage control unit 306; a first end of the monitoring unit 305 is connected with the battery 302, and a second end of the monitoring unit 305 is connected with the control unit 303; the voltage control unit 306 is disposed between the charging chip 301 and the power consuming unit 304.
In one example, as shown in fig. 6, the electricity using unit 304 includes a current control chip 3041, an infrared light emitter 3042; the output terminal of the charging chip 301 is connected to the current control chip 3041, the control unit 303 is connected to the current control chip 3041, and the current control chip 3041 is connected to the infrared emitter 3042. In practical applications, the current control chip 3041 receives a reference current value sent by the control unit 303, and the current control chip 3041 controls the infrared light emitter 3042 to operate according to the reference current value, so as to consume the current output by the charging chip 301.
In practical applications, wearable devices such as smartwatches are provided with a heart rate sensing module, i.e., a current control chip 3041 and an infrared light emitter 3042; in order to avoid adding other elements inside the wearable device and increase the volume of the wearable device, the present embodiment uses the existing elements inside the wearable device to consume part of the current output by the charging chip 301, and reduces the current input to the battery 302, thereby saving the cost and reducing the volume of the wearable device.
In practical application, a commonly used heart rate sensing module of the wearable device comprises a green light emitting diode, a red light emitting diode and an infrared light emitter, wherein the working states of the green light emitting diode and the red light emitting diode respectively emit green light and red light which can be recognized by naked eyes of a user, and the use of the user can be influenced; therefore, in the embodiment, the infrared light emitter is selected as a device consuming electric energy, infrared light emitted by the infrared light emitter during operation cannot be identified by naked eyes, and even if the infrared light emitter operates, a user cannot perceive the infrared light emitter, so that the use of the infrared light emitter by the actual user is not influenced.
A fourth embodiment of the present invention relates to a wearable device including: the apparatus for protecting a battery in the first to third embodiments described above.
In the present embodiment, by using the apparatus for protecting a battery in the first to third embodiments, in the pre-charging stage of the wearable device, the power utilization unit may consume part of the current output by the charging chip, so that the current input to the battery is within the standard specification established by the manufacturer, thereby improving the service life of the wearable device.
A fifth embodiment of the invention relates to a control method for an apparatus for protecting a battery, applied to a control unit in the apparatus for protecting a battery in the second embodiment; the specific flow diagram of this embodiment is shown in fig. 7, and includes the following steps:
Specifically, the execution subject of the present embodiment is a control unit; the monitoring unit is connected with the battery, can acquire the state parameter of the battery and send the state parameter of the battery to the control unit, and the control unit receives the state parameter of the battery sent by the monitoring unit.
In practical application, the control unit is connected with the charging chip, when the charging chip senses that the charging interface of the terminal is in a charging state, the charging state of the terminal is fed back to the control unit, and then the control unit starts to execute the step of receiving the state parameters of the battery sent by the voltage monitoring unit.
Specifically, if the battery is in the pre-charge stage, go to step 503; if the battery is not in the pre-charge phase, step 504 is entered.
In practical application, the state parameters include a current value and a voltage value, the control unit sets a preset voltage threshold or a preset current threshold, and whether the battery is in a pre-charging stage can be judged by judging the current value or the voltage value of the battery. For example, when the battery is in a pre-charging stage, the voltage of the battery is less than or equal to a preset voltage threshold, and when the battery is in a constant-current charging stage or a constant-voltage charging stage, the voltage of the battery is greater than the preset voltage threshold; that is, the preset voltage value is a voltage value corresponding to a boundary point between the battery pre-charging stage and the constant current charging stage, and is specifically determined according to a parameter of each battery. Accordingly, whether the battery is in the pre-charging stage is determined by the current of the battery, and the details are not repeated herein.
And step 503, controlling the power utilization unit to be started.
Specifically, when the battery is in the pre-charging stage, the charging current required by the battery is small, so that the pre-charging current consumption unit is started, the pre-charging current consumption unit is enabled to operate, part of the current output by the charging chip is consumed, and the current input to the battery is reduced.
And step 504, controlling the power utilization unit to be closed.
Specifically, when the battery is not in the pre-charge stage, it indicates that the battery is in the constant current charge stage or the constant voltage charge stage, and therefore the pre-charge current consumption unit is controlled to stop consuming the current output by the charge chip.
It should be understood that the present embodiment is a method embodiment corresponding to the second embodiment, and the present embodiment and the second embodiment can be implemented in cooperation. The related technical details mentioned in the second embodiment are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the second embodiment.
A sixth embodiment of the present invention relates to a control method for an apparatus for protecting a battery, applied to a control unit in the apparatus for protecting a battery in the third embodiment; the apparatus for protecting a battery of the present embodiment is substantially the same as the apparatus for protecting a battery of the fifth embodiment, with the main difference being that: in this embodiment, the control unit is also connected to the charging chip.
The specific flow diagram of this embodiment is shown in fig. 8, and includes the following steps:
Specifically, if the battery is in the pre-charge stage, go to step 603; if the battery is not in the pre-charge phase, step 607 is entered.
And step 604, obtaining a reference current value according to the output current of the charging chip and the pre-stored rated current of the battery in the pre-charging stage.
Specifically, the rated current value of the battery in the pre-charging stage, namely the standard specification established by the manufacturer, is pre-stored in the control unit; the control unit acquires the output current value of the charging chip firstly, and then calculates the reference current value of the electricity utilization unit according to the output current value of the charging chip and the rated current of the battery in the pre-charging stage. It should be noted that the reference current value should be greater than or equal to the difference between the output current value of the charging chip and the rated current value of the battery in the pre-charging phase, so as to ensure that the current input to the battery is within the rated current value in the pre-charging phase.
And 606, sending the reference current value to the power utilization unit, and enabling the power utilization unit to operate according to the reference current value.
Specifically, the control unit sends the reference current value to the electricity utilization unit, and the electricity utilization unit works according to the reference current value to consume part of the current output by the charging chip.
In step 607, the power utilization unit is controlled to be turned off.
The embodiment can more accurately control the working current of the power utilization unit by obtaining the reference current value of the operation of the power utilization unit, and can ensure that the current input to the battery is within the standard specification range when the specification of the charging chip changes, for example, the output current of the charging chip becomes large.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
A sixth embodiment of the present invention relates to a computer-readable storage medium storing a computer program. The computer program realizes the above-described method embodiments when executed by a processor.
That is, as can be understood by those skilled in the art, all or part of the steps in the method according to the above embodiments may be implemented by a program instructing related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. An apparatus for protecting a battery, comprising: the charging device comprises a charging chip, a control unit and a power utilization unit;
the input end of the charging chip is connected with an external power supply, and the output end of the charging chip is respectively connected with a battery and the power utilization unit;
the control unit is used for controlling the electricity utilization unit to be started when the battery is in a pre-charging stage;
the power utilization unit is used for consuming the current output by the charging chip when the power utilization unit is started.
2. The apparatus for protecting a battery as claimed in claim 1, further comprising: the monitoring unit is used for monitoring the state parameters of the battery and sending the state parameters to the control unit;
the control unit is used for determining the charging state of the battery according to the state parameters and controlling the power utilization unit to be started when the battery is in a pre-charging stage.
3. The apparatus for protecting a battery according to claim 1 or 2, further comprising: the voltage control unit is arranged between the power utilization unit and the output end of the charging chip; the control unit is connected with the power utilization unit through the voltage control unit;
the control unit is used for controlling the voltage control unit to be started when the battery is in a pre-charging stage;
the voltage control unit is used for controlling the voltage input to the electricity utilization unit.
4. The apparatus of claim 3, wherein the voltage control unit is a boost circuit.
5. The device for protecting the battery according to any one of claims 1 to 4, wherein the control unit is further configured to obtain an output current value of the charging chip, obtain a reference current value according to the output current value of the charging chip and a pre-stored rated current value of the battery in a pre-charging stage, and send the reference current value to the power utilization unit;
and the power utilization unit is used for operating according to the reference current value.
6. The device for protecting a battery according to any one of claims 1 to 5, wherein the power using unit includes a current control chip, an infrared light emitter;
the output end of the charging chip is connected with the current control chip, the control unit is connected with the current control chip, and the current control chip is connected with the infrared light emitter.
7. A wearable device, comprising: the device for protecting a battery according to any one of claims 1 to 6.
8. A control method for an apparatus for protecting a battery, applied to a control unit in the apparatus for protecting a battery, the apparatus for protecting a battery further comprising: the system comprises a charging chip, a power utilization unit and a monitoring unit; the input end of the charging chip is connected with an external power supply; the output end of the charging chip is respectively connected with a battery and the power utilization unit;
the method comprises the following steps:
receiving the state parameters of the battery sent by the monitoring unit;
judging whether the battery is in a pre-charging stage or not according to the state parameters;
if yes, controlling the power utilization unit to be started;
if not, controlling the power utilization unit to be closed.
9. The control method of the apparatus for protecting a battery according to claim 8, wherein the control unit is further connected to the charging chip;
before the control power consumption unit starts, still include:
acquiring an output current value of the charging chip;
obtaining a reference current value according to the output current of the charging chip and the pre-stored rated current of the battery in the pre-charging stage;
after the control of the power utilization unit is started, the method comprises the following steps:
and sending the reference current value to the power utilization unit for the power utilization unit to operate according to the reference current value.
10. A computer-readable storage medium storing a computer program, wherein the computer program is executed by a processor to implement the control method of the apparatus for protecting a battery according to claim 8 or 9.
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