CN108627773B - Battery power consumption control method and device and unmanned aerial vehicle - Google Patents
Battery power consumption control method and device and unmanned aerial vehicle Download PDFInfo
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- CN108627773B CN108627773B CN201810435718.1A CN201810435718A CN108627773B CN 108627773 B CN108627773 B CN 108627773B CN 201810435718 A CN201810435718 A CN 201810435718A CN 108627773 B CN108627773 B CN 108627773B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention relates to a battery power consumption control method, a device and an unmanned aerial vehicle, wherein the battery power consumption control method comprises the following steps: determining that the battery is in a state of no charging current, no discharging current and no communication; collecting electrical performance parameters of the battery, wherein the electrical performance parameters comprise the lowest cell voltage of the battery; and judging whether the lowest voltage of the battery core is less than or equal to a first voltage threshold value or not according to the electrical performance parameters, and if so, controlling the electricity meter and the microprocessor to enter a deep sleep mode. The invention is equivalent to double control of the electricity meter and the microprocessor, and can realize ultra-low power consumption of the battery under certain conditions, thereby protecting the battery from over-discharge to the maximum extent.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of battery management, in particular to a battery power consumption control method and device and an unmanned aerial vehicle.
[ background of the invention ]
The unmanned aerial vehicle is a product with higher requirement on safety, and the battery is used as the core of the safety of the unmanned aerial vehicle and is particularly important in the safety design of the unmanned aerial vehicle. The battery stored for a long time enters a very low voltage state due to self-power consumption, and once the battery voltage is lower than a threshold (such as 1V), the battery may be permanently damaged, thereby causing property loss to users. Therefore, some control strategy is needed to reduce the rate of self-discharge of the battery.
However, in the existing battery power consumption control scheme, only part of the functional modules of the battery are generally controlled to stop working, and the microprocessor still works normally, so that the overall power consumption of the battery is still higher.
[ summary of the invention ]
In order to solve the technical problem, embodiments of the present invention provide a battery power consumption control method and apparatus capable of achieving low power consumption, and an unmanned aerial vehicle.
In order to solve the above technical problems, embodiments of the present invention provide the following technical solutions:
a battery power consumption control method, the battery including a fuel gauge and a microprocessor, the method comprising:
determining that the battery is in a state of no charging current, no discharging current and no communication;
collecting electrical performance parameters of the battery, wherein the electrical performance parameters comprise the lowest cell voltage of the battery;
judging whether the lowest voltage of the battery cell is smaller than or equal to a first voltage threshold value or not according to the electrical performance parameters, if so, judging that the lowest voltage of the battery cell is smaller than or equal to the first voltage threshold value
And controlling the fuel gauge and the microprocessor to enter a deep sleep mode.
In one embodiment, the determining that the battery is in a state without charging current, discharging current, or communication specifically includes:
and determining that the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a first preset duration.
In one embodiment, the determining, according to the electrical performance parameter, whether the lowest cell voltage is less than or equal to a first voltage threshold, and if the determination result is no, further includes:
determining that the duration of the battery in a state of no charging current, no discharging current and no communication is greater than or equal to a second preset duration;
judging whether the lowest voltage of the battery core is less than or equal to a second voltage threshold value, if so, judging that the lowest voltage of the battery core is less than or equal to the second voltage threshold value
Controlling both the fuel gauge and the microprocessor to enter a deep sleep mode;
and the second preset time length is greater than the first preset time length.
In one embodiment, the electrical performance parameter further includes a cell voltage difference, and before the controlling the fuel gauge and the microprocessor to enter the deep sleep mode, the method further includes:
and determining that the cell voltage difference is smaller than a third voltage threshold according to the electrical performance parameter.
In one embodiment, after the controlling the fuel gauge and the microprocessor to enter the deep sleep mode, the method further includes:
receiving an external wake-up instruction;
and awakening the battery to enter a discharging state or a charging state according to the awakening instruction.
In one embodiment, the first voltage threshold is 3.6 volts, the second voltage threshold is 3.9 volts, and the third voltage threshold is 30 millivolts.
The embodiment of the invention also provides the following technical scheme:
a battery power consumption control apparatus, the battery including a fuel gauge and a microprocessor, the apparatus comprising:
the state confirmation module is used for determining that the battery is in a state without charging current, discharging current and communication;
the electrical performance parameter acquisition module is used for acquiring electrical performance parameters of the battery, wherein the electrical performance parameters comprise the lowest cell voltage of the battery;
the first judgment module is used for judging whether the lowest voltage of the battery cell is smaller than or equal to a first voltage threshold value according to the electrical performance parameter;
and the control module is used for controlling the fuel gauge and the microprocessor to enter a deep sleep mode when the judgment result of the first judgment module is yes.
In one embodiment, the state confirmation module is specifically configured to determine that a duration of the battery in a no-charging current, no-discharging current, and no-communication state is greater than or equal to a first preset duration.
In one embodiment, the apparatus further comprises a second determining module;
when the judgment result of the first judgment module is negative, the state confirmation module is further used for determining that the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a second preset duration;
the second judging module is used for further judging whether the lowest voltage of the battery cell is smaller than or equal to a second voltage threshold value, if so, the lowest voltage of the battery cell is smaller than or equal to the second voltage threshold value
Controlling the fuel gauge and the microprocessor to enter a deep sleep mode through the control module;
and the second preset time length is greater than the first preset time length.
In one embodiment, the electrical performance parameter further includes a cell voltage difference, and the status confirmation module is further configured to determine that the cell voltage difference is less than a third voltage threshold according to the electrical performance parameter.
In one embodiment, the device further comprises a receiving module and a waking module;
the receiving module is used for receiving an external awakening instruction;
the awakening module is used for awakening the battery to enter a discharging state or a charging state according to the awakening instruction.
In one embodiment, the first voltage threshold is 3.6 volts, the second voltage threshold is 3.9 volts, and the third voltage threshold is 30 millivolts.
An unmanned aerial vehicle comprises a memory and a processor, wherein the memory stores a program, and the program realizes the unmanned aerial vehicle battery power consumption control method when being read and executed by the processor.
Compared with the prior art, the battery power consumption control method provided by the embodiment of the invention has the advantages that the electricity meter and the microprocessor are controlled to enter the deep sleep mode by acquiring the electrical performance parameters of the battery and determining that the lowest voltage of the battery core is less than or equal to the first voltage threshold according to the electrical performance parameters. The battery can realize ultra-low power consumption under certain conditions by equivalently adopting double control of the fuel gauge and the microprocessor, thereby protecting the battery from over-discharge to the maximum extent.
[ description of the drawings ]
One or more embodiments are illustrated by way of example in the accompanying drawings which correspond to and are not to be construed as limiting the embodiments, in which elements having the same reference numeral designations represent like elements throughout, and in which the drawings are not to be construed as limiting in scale unless otherwise specified.
Fig. 1 is a schematic diagram of a battery application environment according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a battery power consumption control method according to a first embodiment of the present invention;
fig. 3 is a partial flowchart of a battery power consumption control method according to a second embodiment of the present invention;
fig. 4 is a partial flowchart of a battery power consumption control method according to a third embodiment of the present invention;
fig. 5 is a partial flowchart of a battery power consumption control method according to a fourth embodiment of the present invention;
fig. 6 is a schematic flowchart of a method for controlling battery power consumption in a specific scenario according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a battery power consumption control apparatus according to a fifth embodiment of the present invention;
fig. 8 is a block diagram of a hardware structure of an unmanned aerial vehicle according to a sixth embodiment of the present invention.
[ detailed description ] embodiments
In order to facilitate an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. It should be noted that the steps shown in the flowchart of the figure may be performed in a computer system such as a set of computer executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1 is a schematic diagram of an application environment of a battery according to an embodiment of the present invention. As shown in fig. 1, the battery includes a battery pack 10, an electricity meter 20, and a microprocessor 30.
The battery pack 10 is composed of one or more battery cells arranged in any form to form a battery pack for providing a dc power supply to electrical equipment such as an electric motor. The electric core group 10 can have corresponding capacity, volume size or packaging form according to actual conditions. The battery pack 10 can be discharged or charged under controlled conditions, simulating normal operating conditions.
The electricity meter 20 can be any type or brand of electricity metering system or chip, and the current electricity condition of the cell group 10 is determined by calculating through collecting corresponding data. The fuel gauge 20 may be run with one or more suitable software programs that record data and perform calculations based on the data.
The electricity meter 20 establishes necessary electrical connection with the electric core group 10 (the electrical connection may be indirect connection formed by related electrical property parameter acquisition circuits, such as a current sampling circuit, a voltage sampling circuit, a temperature sampling circuit, and the like), and the electricity meter 20 acquires and acquires data of the electric core group 10 through the electrical connection to determine the current electrical quantity, current, voltage, and other electrical property parameters of the electric core group 10. The electricity meter 20 has discharge, charge, sleep, deep sleep, and the like modes. The fuel gauge 20 automatically enters the sleep mode as long as the battery has no charging current and no discharging current, and other modules (such as the microprocessor 30) of the battery are still in a normal power supply state, so that the recovery speed of the mode is high. Whereas entering the deep sleep mode of the fuel gauge 20 requires the microprocessor 30 to send instructions to it.
The microprocessor 30 is communicatively coupled to the fuel gauge 20, and the microprocessor 30 can control the mode of the fuel gauge 20 based on the associated electrical performance parameter. If the microprocessor 30 determines that the battery has no charging current and no discharging current within a certain time period according to the electrical performance parameters transmitted by the fuel gauge 20, and the battery has no communication with the outside, a Shutdown command is sent to the fuel gauge 20, so as to control the fuel gauge 20 to enter the deep sleep mode, and then the microprocessor 30 also enters the deep sleep mode.
In the present application, the deep sleep mode of the electricity meter 20 means that the microprocessor 30 issues a Shutdown command to the electricity meter 20, and the power supply to the electricity meter 20 is cut off; the deep sleep mode of the microprocessor 30 means that the microprocessor 30 only keeps the wake-up program and all other functional programs are turned off. When the fuel gauge 20 and the microprocessor 30 both enter the deep sleep mode, which means that the battery will automatically cut off the power supply to all functional blocks, including the microprocessor 30, the recovery speed of this mode is slower than that of the sleep mode.
The battery of the invention can supply power for different electronic devices, and the application scene of the battery is not limited at all. Various embodiments are described in detail below primarily in the context of battery applications in unmanned aerial vehicles.
The first embodiment is as follows:
fig. 2 is a schematic flow chart of a battery power consumption control method according to an embodiment of the present invention, and the technical solution in the first embodiment is described with reference to fig. 1. As shown in fig. 2, the battery power consumption control method includes:
step S110: determining that the battery is in a state of no charging current, no discharging current, no communication.
In one embodiment, considering that the battery is working normally (e.g., normal charging, normal discharging, or normal communication), if the fuel gauge 20 is controlled to enter the deep sleep mode, serious consequences may be caused (e.g., crash may be caused if the fuel gauge 20 enters the deep sleep mode while the unmanned aerial vehicle is flying), it is necessary to determine that the battery is in a no-charging current, no-discharging current, no-communication state. The charging current or the discharging current of the battery can be collected by the current sampling circuit. It should be noted that, in the present embodiment, the determination of the presence or absence of the charging current and the discharging current is based on a relative value, and is not an absolute current-free state. For example, if a relative value is set to 50 milliamperes, it is determined that the charging current is in a no-charging-current state when the charging current is less than 50 milliamperes; similarly, the no-discharge-current state is determined when the discharge current is less than 50 milliamperes.
In one embodiment, the duration of time the battery is in a no charge current, no discharge current, no communication state may also be counted. Considering the situation that the unmanned aerial vehicle may need to be used at any time, if such direct entering into the deep sleep mode would affect the speed of the battery recovery operation, step S110 may also be: and determining that the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a first preset duration. The first preset time period can be artificially set to reasonable data, such as 24 hours, 12 hours, etc., and is not strictly limited herein.
Step S120: and acquiring electrical performance parameters of the battery, wherein the electrical performance parameters comprise the lowest cell voltage of the battery.
In this embodiment, the lowest voltage of the battery cell is the voltage value of the battery cell with the lowest voltage in the battery cell group 10, and the collection of the electrical performance parameter can be generally completed by a corresponding sampling circuit, for example, the collection of the voltage value in the battery cell can be completed by a voltage sampling circuit.
Step S130: and judging whether the lowest voltage of the battery cell is less than or equal to a first voltage threshold value or not according to the electrical performance parameters.
If the determination result in step S130 is yes, step S140 is executed.
Step S140: and controlling the fuel gauge and the microprocessor to enter a deep sleep mode.
Under normal conditions, as long as it is determined that the voltage value of the lowest voltage cell in the cell group 10 is less than or equal to the first voltage threshold, the microprocessor 30 sends a Shutdown instruction to the electricity meter 20, so that the electricity meter 20 enters the deep sleep mode, then the microprocessor 30 closes the internal function program thereof, and only the wakeup program is kept to work, so as to monitor the wakeup action of the user, that is, the microprocessor 30 also immediately enters the deep sleep mode, and the whole battery system enters the deep sleep mode, thereby realizing ultra-low power consumption.
Compared with the prior art, the battery power consumption control method provided by the embodiment of the invention has the advantages that the electricity meter and the microprocessor are controlled to enter the deep sleep mode by acquiring the electrical performance parameters of the battery and determining that the lowest voltage of the battery core is less than or equal to the first voltage threshold according to the electrical performance parameters. The battery can realize ultra-low power consumption under certain conditions by equivalently adopting double control of the fuel gauge and the microprocessor, thereby protecting the battery from over-discharge to the maximum extent.
In one embodiment, the first voltage threshold is 3.6 volts. According to various test data and experience, the lowest cell voltage of the cell group 10 is lower than 3.6 volts, and the service life of the cell group 10 is affected if the power consumption is kept higher. Therefore, when the lowest cell voltage is less than or equal to 3.6 volts, the fuel gauge 20 and the microprocessor 30 are controlled to enter the deep sleep mode, so that the power consumption of the battery can be reduced to the maximum extent.
It is understood that the execution order of the above steps is not exclusive, for example, the order of step S110 and step S120 may be reversed, and any embodiment including the above steps is within the scope of the present invention.
It is understood that in other embodiments, the first voltage threshold may have other values, such as 3.5 volts, and the like, and is not limited thereto.
Example two:
referring to fig. 3, in an embodiment, when the determination result in the step S130 in the first embodiment is negative, the method further includes:
step S150: and determining that the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a second preset duration.
In one embodiment, considering that the battery needs to better preserve the charge of the battery pack 10 during transportation or long-term storage, the duration of the battery in the no-charging-current, no-discharging-current and no-communication state can be counted, and when the duration of the battery in the no-charging-current, no-discharging-current and no-communication state is determined to be greater than or equal to the second preset duration, the battery can be considered to be in the transportation or long-term storage state.
The second preset time period can be artificially set to reasonable data, such as 3 days, 7 days, etc., and is not strictly limited herein.
Step S160: and judging whether the lowest cell voltage is less than or equal to a second voltage threshold value.
In one embodiment, the second voltage threshold is 3.9 volts. Because the chemical activity of the electric core assembly 10 is relatively high when the cell voltage of the electric core assembly 10 is above 3.9 volts, which is not favorable for storing the electric core assembly 10, the electric core assembly 10 can automatically discharge to below 3.9 volts under normal conditions. It is understood that in other embodiments, the second voltage threshold may have other values, such as 3.8 volts, 4.0 volts, etc., as long as it floats around 3.9 volts, and is not limited thereto.
If the determination result in step S160 is yes, step S140 is also executed.
It is understood that the execution order of the above steps is not exclusive, for example, the order of step S150 and step S160 may be reversed, and any embodiment including the above steps is within the scope of the present invention.
In an embodiment, the step S140 in the first and second embodiments specifically includes: the microprocessor 30 issues a Shutdown instruction, the fuel gauge 20 enters the deep sleep mode according to the Shutdown instruction, and then the microprocessor 30 also enters the deep sleep mode after the fuel gauge 20 enters the deep sleep mode.
Example three:
referring to fig. 4, in an embodiment, the electrical performance parameter in the second embodiment further includes a cell voltage difference, and before the step S140, the method further includes:
step S170: and determining that the cell voltage difference is smaller than a third voltage threshold according to the electrical performance parameter.
In this embodiment, the cell voltage difference is an absolute value of a voltage difference between any two electric cores in the electric core group 10, that is, the absolute value of the voltage difference between any two electric cores is smaller than the third voltage threshold.
In one embodiment, the third voltage threshold is 30 millivolts. Normally, when the cell voltage difference in the cell group 10 is greater than 30 mv, it indicates that the cell group 10 needs to be equalized, otherwise it is not suitable to enter the normal operation state again.
It is understood that in other embodiments, the third voltage threshold may have other values, such as 29 mv or 31 mv, and the like, and is not limited thereto.
It is understood that the execution order of the above steps is not unique, for example, the order of step S150, step S160, step S170 may be exchanged, and any embodiment including the above steps is within the scope of the present invention.
Example four:
referring to fig. 5, in an embodiment, after the step S140 in the first embodiment, the method further includes:
step S180: an external wake-up instruction is received.
External wake-up commands are commonly used in two ways, one is to wake up through a battery button, and the other is to wake up through accessing a charger.
Step S190: and awakening the battery to enter a discharging state or a charging state according to the awakening instruction.
Specifically, when the user wakes up through the button of the battery, the battery enters a discharging state, and when the user wakes up through accessing the charger, the battery enters a charging state.
As shown in fig. 6, after the battery is initialized, the microprocessor 30 determines whether the battery is charged, discharged and communicated, the determination of the charging and discharging of the battery mainly depends on the direction of the current through the detection of the current, and the corresponding sampling circuit collects electrical performance parameters of the battery, where the electrical performance parameters include a cell voltage difference and a cell minimum voltage.
When the battery is determined to be in a state without charging current, discharging current and communication, whether the lowest voltage of the battery core is less than or equal to 3.6 volts is further judged, if yes, whether the duration of the state without charging current, discharging current and communication of the battery is greater than or equal to 1 day or 24 hours is further judged, if yes, the microprocessor 30 sends a Shutdown instruction, the fuel gauge 20 enters an ultra-low power consumption deep sleep mode, then the microprocessor 30 closes the function program again, only the wakeup program is kept to work, the deep sleep mode is also entered, and at the moment, the battery completely enters an ultra-low power consumption state.
If the lowest voltage of the battery core is greater than 3.6 volts, whether the lowest voltage of the battery core is less than 3.9 volts and the voltage difference of the battery core is less than 30 millivolts is further judged, whether the duration of the state that the battery has no charging current, no discharging current and no communication is greater than or equal to 7 days is judged, if yes, the microprocessor 30 sends a Shutdown instruction, the fuel gauge 20 enters an ultra-low power consumption deep sleep mode, then the microprocessor 30 closes the function program again, only the wake-up program is kept to work, the deep sleep mode is also entered, and at this time, the battery core group 10 completely enters an ultra-low power consumption state.
When the external has the key, the battery is awakened and enters a discharging state; when the external charger is connected, the battery is woken up to enter a charging state.
The above strategy adopted for the lowest voltage of the battery cell between 3.6 volts and 3.9 volts and the lasting time of the battery cell exceeds 7 days mainly considers the power consumption control in the battery transportation process or long-time storage to strive for the maximum reserved electric quantity. Strategies that have been undertaken with cell minimum voltages below 3.6 volts and for durations longer than a day are primarily to prevent over-discharge of the battery due to too low a battery voltage.
Example five:
referring to fig. 7, an embodiment of a device for controlling battery power consumption of an unmanned aerial vehicle according to the present invention is shown. The unmanned vehicles battery power consumption controlling means includes: the device comprises a state confirmation module 610, an electrical property parameter acquisition module 620, a first judgment module 630 and a control module 640.
The state confirmation module 610 is configured to determine that the battery is in a state of no charging current, no discharging current, and no communication. The electrical performance parameter collecting module 620 is configured to collect electrical performance parameters of the battery, where the electrical performance parameters include a lowest cell voltage of the battery. The first determining module 630 is configured to determine whether the lowest cell voltage is less than or equal to a first voltage threshold according to the electrical performance parameter. The control module 640 is used for controlling the fuel gauge and the microprocessor to enter a deep sleep mode.
Further, in one embodiment, the state confirmation module 610 is specifically configured to determine that a duration of the battery in the no-charging-current, no-discharging-current, and no-communication state is greater than or equal to a first preset duration. This may trade off power consumption and boot speed.
Further, in an embodiment, the battery power consumption control apparatus further includes a second determination module.
When the judgment result of the first judgment module 630 is negative, the state confirmation module 610 is further configured to determine that a duration of the battery in a state without charging current, discharging current and communication is greater than or equal to a second preset duration;
the second judging module is used for further judging whether the lowest voltage of the battery cell is smaller than or equal to a second voltage threshold value, if so, the lowest voltage of the battery cell is smaller than or equal to the second voltage threshold value
Controlling the fuel gauge and the microprocessor to enter a deep sleep mode through the control module;
and the second preset time length is greater than the first preset time length.
Further, in one embodiment, the electrical performance parameter further includes a cell voltage difference, and the status confirmation module 610 is further configured to determine that the cell voltage difference is smaller than a third voltage threshold according to the electrical performance parameter.
In one embodiment, the battery power consumption control device further comprises a receiving module and a wake-up module. The receiving module is used for receiving an external wake-up instruction; the awakening module is used for awakening the battery to enter a discharging state or a charging state according to the awakening instruction.
In one embodiment, the first voltage threshold is 3.6 volts, the second voltage threshold is 3.9 volts, and the third voltage threshold is 30 millivolts.
It should be noted that, the method embodiment and the apparatus embodiment are implemented based on the same inventive concept, and technical effects and technical features that the method embodiment can have can be executed or implemented by corresponding functional modules in the apparatus embodiment, which are not described herein for simplicity and convenience of presentation.
Example six:
fig. 8 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention. The unmanned aerial vehicle can execute the battery power consumption control method provided by the method embodiment. As shown in fig. 8, the unmanned aerial vehicle 70 includes one or more processors 701 and a memory 702. In fig. 8, one processor 701 is taken as an example. Of course, other suitable device modules may be added or omitted as the actual situation requires.
The processor 701 and the memory 702 may be connected by a bus or other means, such as the bus connection shown in fig. 8.
The memory 702 is used as a non-volatile computer-readable storage medium, and may be used to store a non-volatile software program, a non-volatile computer-executable program, and modules, such as program instructions or modules corresponding to the battery power consumption control method for the unmanned aerial vehicle in the embodiment of the present invention, for example, the state confirmation module 610, the electrical performance parameter collection module 620, the first judgment module 630, and the control module 640 shown in fig. 7, and the processor 701 executes various functional applications and data processing of the server by running the non-volatile software program, instructions, and modules stored in the memory 702, that is, implements the battery power consumption control method in the above-described method embodiment.
The memory 702 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store some historical data calculated by the electricity meter, etc. Further, the memory 702 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory 702 may optionally include memory located remotely from the processor 701, examples of which include, but are not limited to, the internet, an intranet, a local area network, a mobile communications network, and combinations thereof.
Those skilled in the art will further appreciate that the various steps of the exemplary motor control methods described in connection with the embodiments disclosed herein can be implemented as electronic hardware, computer software, or combinations of both, and that the various exemplary components and steps have been described generally in terms of their functionality in the foregoing description for the purpose of clearly illustrating the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the technical solution.
Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. The computer software may be stored in a computer readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a read-only memory or a random access memory.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (15)
1. A method for controlling power consumption of a battery, the battery including a fuel gauge and a microprocessor, the method comprising:
determining that the battery is in a state of no charging current, no discharging current and no communication;
collecting electrical performance parameters of the battery, wherein the electrical performance parameters comprise the lowest cell voltage of the battery;
judging whether the lowest cell voltage is smaller than or equal to a first voltage threshold or not according to the electrical performance parameters, and if the lowest cell voltage is smaller than or equal to the first voltage threshold, controlling the electricity meter and the microprocessor to enter a deep sleep mode;
the controlling both the fuel gauge and the microprocessor to enter a deep sleep mode includes:
the microprocessor sends a closing instruction to the electricity meter so as to cut off the power supply of the electricity meter; and after the microprocessor sends the closing instruction, closing the functional programs of the microprocessor except the wake-up program.
2. The method according to claim 1, wherein the determining that the battery is in a no-charging-current, no-discharging-current, no-communication state is specifically:
and determining that the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a first preset duration.
3. The method of claim 2, further comprising:
if the lowest voltage of the battery cell is judged to be greater than the first voltage threshold value according to the electrical performance parameters, whether the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a second preset duration is judged, and
judging whether the lowest voltage of the battery cell is less than or equal to a second voltage threshold value or not, if so, judging whether the lowest voltage of the battery cell is less than or equal to the second voltage threshold value
The duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a second preset duration, and the lowest voltage of the battery core is less than or equal to a second voltage threshold value, then
Controlling both the fuel gauge and the microprocessor to enter a deep sleep mode;
and the second preset time length is greater than the first preset time length.
4. The method of claim 2, wherein the electrical performance parameter further comprises a cell differential pressure, the method further comprising:
if the cell minimum voltage is judged to be greater than the first voltage threshold according to the electrical performance parameters, judging whether the duration of the battery in a state of no charging current, no discharging current and no communication is greater than or equal to a second preset duration, judging whether the cell minimum voltage is less than or equal to a second voltage threshold, and judging that the cell differential voltage is less than a third voltage threshold;
if the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a second preset duration, the lowest voltage of the battery cell is less than or equal to a second voltage threshold, and the voltage difference of the battery cell is less than a third voltage threshold, controlling the fuel gauge and the microprocessor to enter a deep sleep mode;
and the second preset time length is greater than the first preset time length.
5. The method of claim 1, wherein after the controlling the fuel gauge and the microprocessor each enter a deep sleep mode, further comprising:
receiving an external wake-up instruction;
and awakening the battery to enter a discharging state or a charging state according to the awakening instruction.
6. The method of claim 3 or 4, wherein the first voltage threshold is 3.6 volts and the second voltage threshold is 3.9 volts.
7. The method of claim 4, wherein the third voltage threshold is 30 millivolts.
8. A battery power consumption control apparatus, the battery including a fuel gauge and a microprocessor, the apparatus comprising:
the state confirmation module is used for determining that the battery is in a state without charging current, discharging current and communication;
the electrical performance parameter acquisition module is used for acquiring electrical performance parameters of the battery, wherein the electrical performance parameters comprise the lowest cell voltage of the battery;
the first judgment module is used for judging whether the lowest voltage of the battery cell is smaller than or equal to a first voltage threshold value according to the electrical performance parameter;
the control module is used for controlling the electricity meter and the microprocessor to enter a deep sleep mode when the lowest voltage of the electric core of the first judging module is smaller than or equal to a first voltage threshold;
the controlling both the fuel gauge and the microprocessor to enter a deep sleep mode includes:
the microprocessor sends a closing instruction to the electricity meter so as to cut off the power supply of the electricity meter; and after the microprocessor sends the closing instruction, closing the functional programs of the microprocessor except the wake-up program.
9. The apparatus of claim 8, wherein the status confirmation module is specifically configured to determine that the duration of the battery in the no-charging-current, no-discharging-current, no-communication state is greater than or equal to a first preset duration.
10. The apparatus of claim 9, further comprising a second determining module;
the second judgment module is configured to, if the first judgment module judges that the lowest voltage of the battery cell is greater than the first voltage threshold, judge that a duration of the battery in a state without charging current, without discharging current, and without communication is greater than or equal to a second preset duration, and judge whether the lowest voltage of the battery cell is less than or equal to the second voltage threshold, if the battery in a state without charging current, without discharging current, and without communication is greater than or equal to the second preset duration, and the lowest voltage of the battery cell is less than or equal to the second voltage threshold, then judge that the lowest voltage of the battery cell is greater than or equal to the second preset duration, and if the lowest voltage of the battery cell is less than or equal to the second voltage threshold, the battery cell is charged by the first judgment module
Controlling the fuel gauge and the microprocessor to enter a deep sleep mode through the control module;
and the second preset time length is greater than the first preset time length.
11. The apparatus of claim 9, wherein the electrical performance parameter further comprises a cell differential pressure, the apparatus further comprising a third determination module;
the third determining module is configured to determine, if the lowest cell voltage is determined to be greater than the first voltage threshold according to the electrical performance parameter, whether a duration of the battery in a state without charging current, discharging current, or communication is greater than or equal to a second preset duration, determine whether the lowest cell voltage is less than or equal to a second voltage threshold, and determine that the cell voltage difference is less than a third voltage threshold;
if the duration of the battery in the states of no charging current, no discharging current and no communication is greater than or equal to a second preset duration, the lowest voltage of the battery cell is less than or equal to a second voltage threshold, and the voltage difference of the battery cell is less than a third voltage threshold, controlling the fuel gauge and the microprocessor to enter a deep sleep mode;
and the second preset time length is greater than the first preset time length.
12. The apparatus of claim 8, further comprising a receiving module and a wake-up module;
the receiving module is used for receiving an external awakening instruction;
the awakening module is used for awakening the battery to enter a discharging state or a charging state according to the awakening instruction.
13. The apparatus of claim 10 or 11, wherein the first voltage threshold is 3.6 volts and the second voltage threshold is 3.9 volts.
14. The apparatus of claim 11, wherein the third voltage threshold is 30 millivolts.
15. An unmanned aerial vehicle comprising a memory and a processor, the memory storing a program that, when read and executed by the processor, implements the battery power consumption control method according to any one of claims 1 to 7.
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| CN201810435718.1A CN108627773B (en) | 2018-05-04 | 2018-05-04 | Battery power consumption control method and device and unmanned aerial vehicle |
| PCT/CN2018/116711 WO2019210678A1 (en) | 2018-05-04 | 2018-11-21 | Battery power consumption control method and apparatus, and unmanned aerial vehicle |
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| CN201810435718.1A CN108627773B (en) | 2018-05-04 | 2018-05-04 | Battery power consumption control method and device and unmanned aerial vehicle |
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| CN108627773B (en) * | 2018-05-04 | 2022-05-24 | 深圳市道通智能航空技术股份有限公司 | Battery power consumption control method and device and unmanned aerial vehicle |
| CN109869048A (en) * | 2019-02-21 | 2019-06-11 | 广州技象科技有限公司 | A kind of processing method and processing unit of door-locking system low battery |
| CN113189499A (en) * | 2021-03-05 | 2021-07-30 | 深圳市亿联智能有限公司 | Battery low-power processing algorithm |
| CN113442725B (en) * | 2021-04-30 | 2022-07-08 | 重庆长安汽车股份有限公司 | Power battery thermal runaway alarm method and system and vehicle |
| CN114142548B (en) * | 2021-10-27 | 2024-01-30 | 青岛歌尔声学科技有限公司 | Battery switching method and device of electronic equipment, electronic equipment and medium |
| CN115020832B (en) * | 2022-06-08 | 2024-05-28 | 东莞新能安科技有限公司 | Cell arrangement method, device, equipment and computer storage medium |
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| JP4642185B2 (en) * | 2000-06-16 | 2011-03-02 | ソニー株式会社 | battery pack |
| WO2009142613A1 (en) * | 2008-05-22 | 2009-11-26 | Lsi Corporation | Battery backup system with sleep mode |
| CN201307773Y (en) * | 2008-11-25 | 2009-09-09 | 浙江东冠瑞宝科技有限公司 | Energy-saving control circuit of lithium ion battery |
| JP6234127B2 (en) * | 2012-10-11 | 2017-11-22 | 株式会社Ｇｓユアサ | Power storage device |
| KR101975393B1 (en) * | 2013-04-18 | 2019-05-07 | 삼성에스디아이 주식회사 | External battery |
| US9692240B2 (en) * | 2014-04-30 | 2017-06-27 | Johnson Controls Technology Company | Battery sleep mode management method and system |
| CN205120933U (en) * | 2015-09-17 | 2016-03-30 | 杨珊珊 | Duration monitoring system and unmanned vehicles with accuse platform flies thereof |
| CN205693394U (en) * | 2016-06-06 | 2016-11-16 | 东莞市巨星电池有限公司 | There is record and the model airplane battery of storage self discharge function |
| CN206806990U (en) * | 2017-04-18 | 2017-12-26 | 深圳市赢新光电发展有限公司 | A kind of battery bag under-voltage protecting circuit |
| CN107539145B (en) * | 2017-08-21 | 2019-09-17 | 北京新能源汽车股份有限公司 | A kind of guard method of electric automobile power battery, device and electric car |
| CN108627773B (en) * | 2018-05-04 | 2022-05-24 | 深圳市道通智能航空技术股份有限公司 | Battery power consumption control method and device and unmanned aerial vehicle |
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