CN106688136A - Battery heating method, battery control system, battery and unmanned aerial vehicle - Google Patents
Battery heating method, battery control system, battery and unmanned aerial vehicle Download PDFInfo
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- CN106688136A CN106688136A CN201680002611.7A CN201680002611A CN106688136A CN 106688136 A CN106688136 A CN 106688136A CN 201680002611 A CN201680002611 A CN 201680002611A CN 106688136 A CN106688136 A CN 106688136A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The embodiment of the invention provides a battery heating method, battery control system, battery and unmanned aerial vehicle. The method includes obtaining current relevant parameters of a battery; and according to the current relevant parameters of the battery, performing heating treatment on the battery. Thus the temperature of the battery rises, various defects brought during charging or discharging of the battery at low temperature are avoided, the safety of the battery in the running process is ensured, and the performance of the battery is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of batteries, in particular to a battery heating method, a battery control system, a battery and an unmanned aerial vehicle.
Background
The battery is a power source of the system, is the heart of the whole system, and is particularly suitable for high-safety and stable running places such as electric automobiles and unmanned planes; therefore, the battery is constantly in a charged and discharged state to supply electric power to the electric vehicle, the unmanned aerial vehicle, and the like. If the battery is charged at low temperature (below 0 ℃), lithium ions in the battery can generate ion crystallization, namely lithium precipitation; this can puncture the membrane, cause micro-short circuits, and in severe cases, cause fires, explosions, and the like. If the battery discharges at low temperature, the activity of the substances in the battery core is reduced, the internal resistance is higher, the amount of electricity which can be discharged is less, the performance is obviously reduced, and the power provided is insufficient.
Disclosure of Invention
The embodiment of the invention provides a battery heating method, a battery control system, a battery and an unmanned aerial vehicle, which are used for heating the battery.
In a first aspect, an embodiment of the present invention provides a battery heating method, including: acquiring current relevant parameters of a battery; and carrying out heating treatment on the battery according to the current relevant parameters of the battery.
Optionally, when the current relevant parameters of the battery meet preset conditions, the battery is subjected to heating treatment.
Optionally, the current relevant parameters of the battery include at least one of: the current remaining capacity of the battery, and the current temperature of the battery.
Optionally, after the heating treatment is performed on the battery, the method further includes: and when the current temperature of the battery is higher than the preset temperature, carrying out heat preservation treatment on the battery.
Optionally, the method further comprises: when the heating time of the battery is longer than the preset time, stopping heating the battery; or when the current residual electric quantity of the battery is less than the preset electric quantity, the battery is stopped heating.
Optionally, before obtaining the current relevant parameters of the battery, the method further includes: and when the battery is in a non-working state, acquiring a battery heating instruction output by the manual operation part.
Optionally, the manual operating part comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
Optionally, the function of the manual operating part comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
Optionally, the manual operation component is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction.
Optionally, the heating the battery includes: and heating the battery at the rated power of the battery.
Optionally, when the battery is in a discharge state, performing a heating process on the battery, including: and when the discharge power of the battery is smaller than the rated power of the battery, heating the battery by using preset power, wherein the preset power is smaller than or equal to the difference between the rated power and the discharge power.
Optionally, the method further comprises: and displaying indication information for indicating that the battery is in the heating state through a display device.
The battery heating method provided by the embodiment enables the temperature of the battery to rise, avoids various defects caused by charging or discharging the battery at a low temperature, ensures the safety of the battery in the operation process, and improves the performance of the battery.
In a second aspect, an embodiment of the present invention provides a battery control system, including: the electric heating device comprises a controller and an electric heating assembly electrically connected with the controller; the controller is used for acquiring the current relevant parameters of the battery; and controlling the electric heating assembly to heat the battery according to the current relevant parameters of the battery.
Optionally, when the current relevant parameters of the battery meet preset conditions, the controller controls the electric heating assembly to heat the battery.
Optionally, the current relevant parameters of the battery include at least one of: the current electric quantity of the battery and the current temperature of the battery.
Optionally, the system further includes a temperature detector in communication connection with the controller, the temperature detector being configured to obtain a current temperature of the battery; when the acquired current temperature of the battery detected by the temperature detector is higher than a preset temperature, the controller controls the electric heating assembly to carry out heat preservation treatment on the battery.
Optionally, the system further comprises: a timer communicatively coupled to the controller; the timer is used for timing the heating time of the battery; when the heating time of the battery timed by the timer is longer than the preset time, the controller controls the electric heating assembly to stop heating the battery.
Optionally, the system further includes a charge detector in communication with the controller, the charge detector being configured to detect a current remaining charge of the battery; when the current electric quantity of the battery detected by the electric quantity detector is smaller than a first preset electric quantity, the controller controls the electric heating assembly to stop heating the battery.
Optionally, the system further comprises a manual operation component electrically connected with the controller, and the battery heating instruction can be triggered by operating the manual operation component.
Optionally, the manual operating part comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
Optionally, the function of the manual operating part comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
Optionally, the manual operation component is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction.
Optionally, the power of the battery heated by the electric heating assembly is the rated power of the battery.
Optionally, when the battery is in a discharge state, the power of the electric heating component for heating the battery is smaller than or equal to the difference between the rated power and the discharge power.
Optionally, the system further comprises a display device in communication with the controller, wherein the display device is configured to display indication information indicating that the battery is in a heated state.
The battery control system provided by the embodiment enables the temperature of the battery to rise, avoids various defects caused by charging or discharging the battery at a low temperature, ensures the safety of the battery in the operation process, and improves the performance of the battery.
In a third aspect, an embodiment of the present invention provides a battery, including: a housing; a control system as provided in the second aspect of the invention, mounted within the housing; and one or more cells mounted within the housing and electrically connected to the control system; the battery core supplies power to the electric heating assembly, so that the electric heating assembly generates heat.
The battery provided by the embodiment enables the temperature of the battery to rise, avoids various defects caused by charging or discharging the battery at a low temperature, ensures the safety of the battery in the operation process, and improves the performance of the battery.
In a fourth aspect, an embodiment of the present invention provides an unmanned aerial vehicle, including: the aircraft comprises a fuselage and a plurality of arms, wherein each arm is used for bearing a motor and a propeller; the battery compartment for accommodating batteries is arranged on the machine body, and the machine body is provided with a controller and an electric heating assembly; the controller is electrically connected with the battery and the electric heating assembly respectively; the controller controls the electric heating assembly to heat the battery according to the current relevant parameters of the battery.
Optionally, when the current relevant parameters of the battery meet preset conditions, the controller controls the electric heating assembly to heat the battery.
Optionally, the current relevant parameters of the battery include at least one of: the current electric quantity of the battery and the current temperature of the battery.
Optionally, a temperature detector in communication connection with the controller is arranged on the body, and the temperature detector is used for acquiring the current temperature of the battery; when the acquired current temperature of the battery detected by the temperature detector is higher than a preset temperature, the controller controls the electric heating assembly to carry out heat preservation treatment on the battery.
Optionally, a timer in communication connection with the controller is arranged on the body; the timer is used for timing the heating time of the battery;
when the heating time of the battery timed by the timer is longer than the preset time, the controller controls the electric heating assembly to stop heating the battery.
Optionally, an electric quantity detector in communication connection with the controller is arranged on the body, and the electric quantity detector is used for detecting the current remaining electric quantity of the battery; when the current electric quantity of the battery detected by the electric quantity detector is smaller than a first preset electric quantity, the controller controls the electric heating assembly to stop heating the battery.
Optionally, a manual operation component electrically connected with the controller is arranged on the body, and the battery heating instruction can be triggered by operating the manual operation component.
Optionally, the manual operating part comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
Optionally, the function of the manual operating part comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
Optionally, the manual operation component is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction.
Optionally, the power of the battery heated by the electric heating assembly is the rated power of the battery.
Optionally, when the battery is in a discharge state, the power of the electric heating component for heating the battery is smaller than or equal to the difference between the rated power and the discharge power.
Optionally, a display device in communication connection with the controller is arranged on the body, and the display device is used for displaying indication information indicating that the battery is in a heating state.
The unmanned aerial vehicle that this embodiment provided for the temperature of battery rises, has avoided the battery to charge or the various defects that bring when discharging at the low temperature, has guaranteed the security of battery in the operation process, has improved the performance of battery.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart of a battery heating method according to an embodiment of the present invention;
fig. 2 is a flowchart of a battery heating method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a battery heating method according to a third embodiment of the present invention;
fig. 4 is a flowchart of a battery heating method according to a fourth embodiment of the present invention;
fig. 5 is a flowchart of a battery heating method according to a fifth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a battery control system according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a battery control system according to a second embodiment of the present invention;
fig. 8 is a schematic structural diagram of a battery according to an embodiment of the present invention;
FIG. 9 is a partial view of the battery shown in FIG. 8 taken along A-A;
fig. 10 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a fuselage according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of a battery heating method according to an embodiment of the present invention, and as shown in fig. 1, the method according to the embodiment may include:
and S101, acquiring the current relevant parameters of the battery.
And S102, heating the battery according to the current relevant parameters of the battery.
In this embodiment, the current relevant parameters of the battery are obtained, and then the battery is subjected to heating processing according to the current relevant parameters of the battery, where the heating processing may be performed on the battery when the current relevant parameters of the battery meet preset conditions. Therefore, the battery can be prevented from being charged at low temperature (below 0 ℃), and lithium ions in the battery can generate ion crystallization, namely lithium precipitation; the battery can puncture a diaphragm to cause micro short circuit, can be fired and exploded when serious, and can also avoid the defects that the battery discharges at low temperature, and the power is insufficient and the like because the activity of substances in the battery core is reduced, the internal resistance is higher, the discharged electric quantity is less, and the performance is obviously reduced.
The embodiment obtains the current relevant parameters of the battery; according to the current relevant parameters of the battery, carrying out heating treatment on the battery; the temperature of the battery is raised, various defects caused by charging or discharging the battery at low temperature are avoided, the safety of the battery in the operation process is ensured, and the performance of the battery is improved.
Fig. 2 is a flowchart of a battery heating method according to a second embodiment of the present invention, as shown in fig. 2, in this embodiment, taking a current relevant parameter of a battery including a current remaining capacity of the battery and/or a current temperature of the battery as an example, the method of this embodiment may include:
s201, acquiring the current residual capacity of the battery and/or the current temperature of the battery.
S202, when the current residual capacity and/or the current temperature of the battery meet preset conditions, heating the battery.
In this embodiment, in a possible implementation manner, the current remaining power of the battery is obtained, whether the current remaining power of the battery meets a preset condition is determined, when the current remaining power of the battery meets the preset condition, it is stated that the battery can be heated, and then the battery is heated, and when the current remaining power of the battery does not meet the preset condition, it is stated that the battery cannot be heated, and then the heating process is completed, that is, the battery is not heated.
In a possible implementation manner, the current temperature of the battery is obtained, whether the current temperature of the battery meets a preset condition is judged, when the current temperature of the battery meets the preset condition, the battery can be heated, then the battery is heated, when the current temperature of the battery meets the non-preset condition, the battery cannot be heated, and then the heating process is finished, namely the battery is not heated.
In this embodiment, in a possible implementation manner, the current remaining power and the current temperature of the battery are obtained, whether the current remaining power and the current temperature of the battery both satisfy preset conditions is determined, when the current remaining power and the current temperature of the battery both satisfy the preset conditions, it is described that the battery can be heated, and then the battery is heated, and when the current remaining power or the current temperature of the battery does not satisfy the preset conditions, it is described that the battery cannot be heated, and then the heating process is completed, that is, the heating process is not performed on the battery. In this embodiment, the determination of the current remaining power and the temperature of the battery is not sequential.
The current temperature of the battery meets the preset condition that the current temperature of the battery is lower than the preset temperature, and the preset temperature is 15 degrees, for example, which indicates that the battery is currently in a low-temperature environment and needs to be heated. The current residual capacity of the battery meets the preset condition that the current residual capacity of the battery is larger than the preset capacity, the preset capacity is 30% for example, because the performance of the battery is reduced when the battery is in a low capacity condition, and if the performance of the battery is further reduced when the battery is heated under the reduced capacity condition, the service life of the battery is influenced, therefore, the battery is heated according to the current residual capacity of the battery, the performance of the battery can be ensured, and the service life of the battery cannot be influenced.
The present embodiment obtains the current remaining capacity and temperature of the battery; when the current residual capacity and the current temperature of the battery meet preset conditions, heating the battery; the temperature of the battery is raised, various defects caused by charging or discharging the battery at low temperature are avoided, the safety of the battery in the operation process is ensured, and the performance of the battery is improved; the defect that the service life of the battery is influenced by heating the battery under low power is also avoided.
Fig. 3 is a flowchart of a battery heating method according to a third embodiment of the present invention, and as shown in fig. 3, the method according to the third embodiment may include:
s301, obtaining the current relevant parameters of the battery.
S302, heating the battery according to the current relevant parameters of the battery.
In this embodiment, specific implementation processes of S301 and S302 may refer to related descriptions in the embodiments shown in fig. 1 or fig. 2, and are not described herein again.
And S303, when the current temperature of the battery is higher than the preset temperature, carrying out heat preservation treatment on the battery.
In this embodiment, after S302 is executed, S303 may also be executed. Heating the battery to raise the temperature of the battery, wherein when the current temperature of the battery after temperature rise is greater than a preset temperature, the preset temperature is, for example, 20 degrees, which indicates that the battery is currently in an appropriate temperature environment, the battery does not need to be continuously heated, and meanwhile, in order to ensure that the battery is always in the appropriate temperature environment, the embodiment performs heat preservation on the battery to make the temperature of the battery be close to the preset temperature; the slow heating process is carried out in the heat preservation process, and the current temperature of the battery is monitored at any time, so that the current temperature of the battery is between 15 and 20 degrees.
S304, when the heating time of the battery is longer than the preset time, the battery is stopped heating.
In this embodiment, when the timing is started when the S302 is executed, a time length between the time when the battery starts to be heated and the current time may be obtained, where the time length is a heating time length of the battery, and it is determined whether the heating time length of the battery is greater than a preset time length, and when the heating time length of the battery is greater than the preset time length, the battery is stopped to be heated, so as to save energy.
In one case, when the heating time of the battery is longer than the preset time and the current temperature of the battery is not higher than the preset temperature, i.e. the step S302 is followed by the step S304, which shows that the heating time of the battery is long enough but the temperature of the battery cannot be raised to the proper temperature, even if the temperature of the battery is continuously heated, the temperature rise will not be obvious, and the heating treatment of the battery is stopped in order to avoid energy waste. When the heating time of the battery is not longer than the preset time, if the current temperature of the battery is not larger than the preset temperature, continuing to heat the battery, and if the current temperature of the battery is larger than the preset temperature, performing heat preservation on the battery (i.e., executing S303).
In one case, when the battery is heated so that the current temperature of the battery is greater than the preset temperature and the heating time is not greater than the preset time, the battery is subjected to heat preservation, that is, S303 is executed, the heating time of the battery is continuously counted after S303 is executed, and when the counted heating time is greater than the preset time, the heat preservation and the heating of the battery are stopped in order to avoid energy waste. And when the heating time of the battery is shorter than the preset time, continuing to perform heat preservation treatment on the battery.
S305, when the current residual capacity of the battery is smaller than the preset capacity, stopping heating the battery.
In this embodiment, can real-time supervision battery present residual capacity, judge whether this battery present residual capacity is greater than and predetermines the electric quantity, to this battery stop heating to the energy can be saved avoids bringing the influence to the performance and the life-span of battery under the condition of low electric quantity.
In one case, when the current remaining power of the battery is less than the preset power and the current temperature of the battery is not greater than the preset temperature, S302 is executed and then S305 is executed, which indicates that the battery is in a low power state but the temperature of the battery cannot be raised to a proper temperature, and the battery is damaged by continuing heating, so the heating process of the battery is stopped in the embodiment. When the current remaining power heating duration of the battery is not less than the preset power, if the current temperature of the battery is not greater than the preset temperature, continuing to heat the battery, and if the current temperature of the battery is greater than the preset temperature, performing heat preservation on the battery (i.e., executing S303).
In one case, when the battery is heated so that the current temperature of the battery is greater than the preset temperature and the remaining power at this time is not less than the preset power, the heat preservation process is performed on the battery, that is, S303 is performed, the current remaining power of the battery is continuously monitored after S303 is performed, and when the current remaining power of the battery is less than the preset power, the heat preservation process and the heating process are stopped for the battery because the heat preservation process and the heating process are continuously performed on the battery. And when the current residual electric quantity of the battery is not less than the preset electric quantity, continuing to perform heat preservation treatment on the battery.
In the embodiment, the battery is heated according to the current relevant parameters of the battery; the temperature of the battery is raised, various defects caused by charging or discharging the battery at low temperature are avoided, the safety of the battery in the operation process is ensured, and the performance of the battery is improved. And the heating duration of the battery, the current residual capacity of the battery and the current temperature of the battery are monitored in real time in the heating process, and whether the battery is kept warm or the heating is stopped or continued is determined according to the monitoring result, so that the energy can be saved, and the damage to the battery is reduced.
Fig. 4 is a flowchart of a battery heating method according to a fourth embodiment of the present invention, and as shown in fig. 4, the method according to the present embodiment may include:
s401, when the battery is in a non-working state, a battery heating instruction output by the manual operation part is acquired.
S402, obtaining the current relevant parameters of the battery according to the battery heating instruction.
And S403, heating the battery according to the current relevant parameters of the battery and the rated power of the battery.
In this embodiment, when the battery is not in a charging state or a discharging state, a user may manually heat the battery through the manual operation component, the manual operation component may output a battery heating instruction according to an operation of the user, and this embodiment may acquire the battery heating instruction output by the manual operation component, where the battery heating instruction is used to instruct to heat the battery, and then acquire a current relevant parameter of the battery according to the battery heating instruction, and perform a heating process on the battery according to the current relevant parameter of the battery. When the battery is in a non-working state, one implementation mode for heating the battery is as follows: the battery is heated at the rated power of the battery, and the rated power of the battery is not used for heating the battery because the battery does not output power when the battery is in a non-working state, so that the efficiency of heating the battery can be improved.
Optionally, the manual operating part comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
Optionally, the function of the manual operating part comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery. The manual operation part can execute different functions according to different operations of a user, and multiple functions can be realized by the same manual operation part, so that the complexity of the battery is reduced, and the operation of the user is facilitated.
Optionally, the manual operation component is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction. For example: the battery heating instruction can be triggered by pressing the power key for 3 seconds, the battery heating instruction can be triggered by the power key, a new manual operation part does not need to be arranged, the cost is saved, and the structural complexity is reduced.
After executing S402, S302-S305 shown in fig. 3 may also be executed, and the specific process may refer to the related description in the embodiment shown in fig. 3, which is not described herein again.
In the embodiment, when the battery is in a non-working state, the battery heating instruction output by the manual operation part is acquired; acquiring current relevant parameters of the battery according to the battery heating instruction; and heating the battery at the rated power of the battery according to the current relevant parameters of the battery. The battery can be manually heated at any time, various defects caused by charging or discharging the battery at low temperature are avoided, the safety of the battery in the operation process is ensured, and the performance of the battery is improved.
Fig. 5 is a flowchart of a battery heating method according to a fifth embodiment of the present invention, and as shown in fig. 5, the method according to the present embodiment may include:
s501, obtaining the current relevant parameters of the battery.
S502, when the discharging power of the battery is smaller than the rated power of the battery, heating the battery with preset power according to the current relevant parameters of the battery, wherein the preset power is smaller than or equal to the difference between the rated power and the discharging power.
In this embodiment, when the battery is in an operating state, for example, a charging state or a discharging state, the present embodiment may obtain the current relevant parameters of the battery, and perform the heating process on the battery according to the current relevant parameters of the battery. One implementation way of heating the battery is as follows: when the discharge power of the battery is smaller than the rated power of the battery, heating the battery at a preset power; for example: when the current relevant parameters of the battery meet preset conditions, judging whether the discharge power of the battery is smaller than the rated power of the battery, when the discharge power of the battery is smaller than the rated power of the battery, indicating that the battery does not run at full power, and then heating the battery at the preset power, wherein the preset power is smaller than or equal to the difference between the rated power and the discharge power so as not to influence the discharge effect of the battery; when the discharge power of the battery is not less than the rated power of the battery, the battery is in full power operation, and in order not to influence the discharge effect of the battery, the battery is not subjected to heating treatment.
After S502 is executed, S302-S305 shown in fig. 3 may also be executed, and the specific process may refer to the related description in the embodiment shown in fig. 3, which is not described herein again.
The embodiment obtains the current relevant parameters of the battery; and when the discharge power of the battery is smaller than the rated power of the battery, heating the battery with preset power according to the current relevant parameters of the battery, wherein the preset power is smaller than or equal to the difference between the rated power and the discharge power. The battery can be automatically heated, various defects caused by charging or discharging at low temperature of the battery are avoided, the safety of the battery in the operation process is ensured, the performance of the battery is improved, and the discharging performance of the battery cannot be influenced in the automatic heating process.
Optionally, on the basis of the above embodiments of the present invention, indication information indicating that the battery is in the heating state is further displayed through a display device. The display device can be a display screen or an LED lamp and the like; for example, the display device may include 4 LED lamps, and the battery may be indicated to be in a heating state by the 1 st and 2 nd LED lamps alternately flashing with the 3 rd and 4 th LED lamps.
Fig. 6 is a schematic structural diagram of a battery control system according to an embodiment of the present invention, and as shown in fig. 6, the battery control system according to the embodiment includes: a controller 11 and an electric heating assembly 12 electrically connected with the controller 11;
the controller 11 is used for acquiring the current relevant parameters of the battery; and controlling the electric heating assembly 12 to heat the battery according to the current relevant parameters of the battery.
The apparatus of this embodiment may be used to implement the technical solution of the method embodiment shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 7 is a schematic structural diagram of a battery control system according to a second embodiment of the present invention, and as shown in fig. 7, in the system according to this embodiment, based on the system embodiment shown in fig. 6, when a current relevant parameter of the battery meets a preset condition, the controller 11 controls the electric heating assembly 12 to perform a heating process on the battery.
Optionally, the current relevant parameters of the battery include at least one of: the current electric quantity of the battery and the current temperature of the battery.
Optionally, the system of this embodiment further includes a temperature detector 13 in communication connection with the controller 11, where the temperature detector 13 is configured to obtain a current temperature of the battery;
when the obtained current temperature of the battery detected by the temperature detector 13 is greater than a preset temperature, the controller 11 controls the electric heating assembly to perform heat preservation treatment on the battery.
Optionally, the system of this embodiment further includes: a timer 14 communicatively connected to the controller 11;
the timer 14 is configured to time a heating duration of the battery;
when the heating time of the battery timed by the timer 14 is longer than a preset time, the controller 11 controls the electric heating assembly to stop heating the battery.
Optionally, the system of this embodiment further includes a power detector 15 communicatively connected to the controller 11, where the power detector 15 is configured to detect a current remaining power of the battery;
when the current electric quantity of the battery detected by the electric quantity detector 15 is smaller than a first preset electric quantity, the controller 11 controls the electric heating assembly to stop heating the battery.
In a possible implementation manner, the system of the present embodiment further includes a manual operation component 16 electrically connected to the controller 11, and the battery heating instruction can be triggered by operating the manual operation component 16.
Optionally, the manual operating part 16 comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
Optionally, the function of the manual operating part 16 comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
Optionally, the manual operation component 16 is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction.
Optionally, the power of the battery heated by the electric heating assembly 12 is the rated power of the battery.
In another possible implementation, when the battery is in a discharge state, the power of the electric heating assembly 12 for heating the battery is less than or equal to the difference between the rated power and the discharge power.
Optionally, the system of this embodiment further includes a display device 17 communicatively connected to the controller 11, where the display device 17 is configured to display indication information indicating that the battery is in the heating state.
The apparatus of this embodiment may be configured to implement the technical solutions of the foregoing embodiments of the present invention, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 8 is a schematic structural diagram of a battery according to an embodiment of the present invention, and fig. 9 is a partial view of the battery shown in fig. 8 along a-a, where as shown in fig. 8 and 9, the battery according to the embodiment includes: a housing 21, a control system 22, and one or more cells 23; wherein, the control system 22 is installed in the housing 21; one or more cells 23 mounted within the housing 21; the battery cell 23 is electrically connected to the control system 22, where the control system 22 may adopt the structure of the control system embodiment of the battery shown in fig. 6 or fig. 7, and may execute the technical solution of any one of the above method embodiments, and the implementation principle and the technical effect thereof are similar, and are not described here again. The battery cell 23 supplies power to the electric heating assembly 12, so that the electric heating assembly 12 generates heat, and optionally, the control system 22 is further configured to control a charging state or a discharging state of the battery cell 23.
Fig. 10 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention, and fig. 11 is a schematic structural diagram of a fuselage according to an embodiment of the present invention, as shown in fig. 10 and fig. 11, the unmanned aerial vehicle according to this embodiment includes: a fuselage 30 and a plurality of arms 40, each of said arms 40 being adapted to carry a motor 41 and a propeller 42; the body 30 is provided with a battery compartment 31 for accommodating a battery 50, and the body 30 is provided with a controller 32 and an electric heating assembly 33; the controller 32 is electrically connected to the battery 50 and the electric heating assembly 33, respectively;
wherein, the controller 32 controls the electric heating assembly to heat the battery according to the current relevant parameters of the battery.
Optionally, when the current relevant parameter of the battery meets a preset condition, the controller 32 controls the electric heating assembly to perform heating treatment on the battery.
Optionally, the current relevant parameters of the battery include at least one of: the current electric quantity of the battery and the current temperature of the battery.
Optionally, a temperature detector 34 in communication connection with the controller is disposed on the body 30, and the temperature detector 34 is configured to obtain a current temperature of the battery;
when the obtained current temperature of the battery detected by the temperature detector 34 is greater than a preset temperature, the controller 32 controls the electric heating assembly to perform heat preservation treatment on the battery.
Optionally, a timer 35 communicatively connected to the controller is provided on the body 30;
the timer 35 is configured to time the heating duration of the battery;
when the heating time of the battery timed by the timer 35 is longer than a preset time, the controller 32 controls the electric heating assembly to stop heating the battery.
Optionally, a power detector 36 is disposed on the body 30 and is in communication with the controller 32, and the power detector 36 is configured to detect a current remaining power of the battery;
when the current electric quantity of the battery detected by the electric quantity detector 36 is smaller than a first preset electric quantity, the controller 32 controls the electric heating assembly to stop heating the battery.
Optionally, a manual operation component 37 electrically connected to the controller 32 is disposed on the body 30, and the battery heating command can be triggered by operating the manual operation component 37.
Optionally, the manual operation part 37 includes at least one of: the button, the knob, toggle switch, touch-sensitive screen.
Optionally, the function of the manual operation part 37 includes at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
Optionally, the manual operation unit 37 is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction.
Optionally, the power of the battery heated by the electric heating assembly 33 is the rated power of the battery.
Optionally, when the battery is in a discharging state, the power of the electric heating assembly 33 for heating the battery is less than or equal to the difference between the rated power and the discharging power.
Optionally, a display device 38 communicatively connected to the controller 32 is disposed on the body 30, and the display device 38 is configured to display indication information indicating that the battery is in a heating state.
The unmanned aerial vehicle of this embodiment can be used for executing the technical solutions of the above method embodiments of the present invention, and the implementation principles and technical effects thereof are similar, and are not described herein again.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the 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 (39)
1. A battery heating method, comprising:
acquiring current relevant parameters of a battery;
and carrying out heating treatment on the battery according to the current relevant parameters of the battery.
2. The method according to claim 1, characterized in that the battery is heated when the current relevant parameters of the battery meet preset conditions.
3. The method of claim 2, wherein the current battery-related parameters include at least one of: the current remaining capacity of the battery, and the current temperature of the battery.
4. The method according to any one of claims 1 to 3, further comprising, after the heat treating the battery:
and when the current temperature of the battery is higher than the preset temperature, carrying out heat preservation treatment on the battery.
5. The method of any one of claims 1-4, further comprising: when the heating time of the battery is longer than the preset time, stopping heating the battery; or,
and when the current residual electric quantity of the battery is less than the preset electric quantity, stopping heating the battery.
6. The method according to any one of claims 1-5, wherein before obtaining the current relevant parameters of the battery, the method further comprises:
and when the battery is in a non-working state, acquiring a battery heating instruction output by the manual operation part.
7. The method of claim 6, wherein the manually operated component comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
8. The method of claim 6 or 7, wherein the function of the manually operable member comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
9. The method according to any one of claims 6 to 8, wherein the manual operating component is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating instruction or a power on/off instruction.
10. The method of any one of claims 6-9, wherein the heat treating the battery comprises:
and heating the battery at the rated power of the battery.
11. The method of any one of claims 1-5, wherein heating the battery while the battery is in a discharged state comprises:
and when the discharge power of the battery is smaller than the rated power of the battery, heating the battery by using preset power, wherein the preset power is smaller than or equal to the difference between the rated power and the discharge power.
12. The method of any one of claims 1-11, further comprising:
and displaying indication information for indicating that the battery is in the heating state through a display device.
13. A battery control system, comprising: the electric heating device comprises a controller and an electric heating assembly electrically connected with the controller;
the controller is used for acquiring the current relevant parameters of the battery; and controlling the electric heating assembly to heat the battery according to the current relevant parameters of the battery.
14. The system of claim 13, wherein the controller controls the electric heating assembly to heat the battery when the current relevant parameters of the battery meet a preset condition.
15. The system of claim 13, wherein the current battery related parameters include at least one of: the current electric quantity of the battery and the current temperature of the battery.
16. The system of claim 15, further comprising a temperature detector communicatively coupled to the controller, the temperature detector configured to obtain a current temperature of the battery;
when the acquired current temperature of the battery detected by the temperature detector is higher than a preset temperature, the controller controls the electric heating assembly to carry out heat preservation treatment on the battery.
17. The system of any one of claims 13-16, further comprising: a timer communicatively coupled to the controller;
the timer is used for timing the heating time of the battery;
when the heating time of the battery timed by the timer is longer than the preset time, the controller controls the electric heating assembly to stop heating the battery.
18. The system according to any one of claims 13-16, further comprising a charge detector communicatively coupled to the controller, the charge detector configured to detect a current remaining charge of the battery;
when the current electric quantity of the battery detected by the electric quantity detector is smaller than a first preset electric quantity, the controller controls the electric heating assembly to stop heating the battery.
19. The system of any one of claims 13-18, further comprising a manually operable member electrically connected to the controller, the battery heating command being triggerable by operation of the manually operable member.
20. The system of claim 19, wherein the manually operable component comprises at least one of: the button, the knob, toggle switch, touch-sensitive screen.
21. The system of claim 19 or 20, wherein the function of the manually operable member comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
22. The system according to any one of claims 19 to 21, wherein the manual operating component is a power key, and the key is operated by selecting different pressing time and/or pressing times to trigger a battery heating command or a power on/off command.
23. The system of any one of claims 19-22, wherein the power at which the electrical heating assembly heats the battery is the rated power of the battery.
24. The system of any one of claims 13-18, wherein the power that the electrical heating assembly heats the battery when the battery is in a discharged state is less than or equal to a difference between the rated power and the discharged power.
25. The system of any one of claims 13-24, further comprising a display device communicatively coupled to the controller, the display device configured to display an indication that the battery is in the heated state.
26. A battery, comprising:
a housing;
a control system as claimed in any one of claims 13 to 25 mounted within the housing; and
one or more cells mounted within the housing and electrically connected to the control system;
the battery core supplies power to the electric heating assembly, so that the electric heating assembly generates heat.
27. An unmanned aerial vehicle, comprising: the aircraft comprises a fuselage and a plurality of arms, wherein each arm is used for bearing a motor and a propeller; the battery compartment for accommodating batteries is arranged on the machine body, and the machine body is provided with a controller and an electric heating assembly; the controller is electrically connected with the battery and the electric heating assembly respectively;
the controller controls the electric heating assembly to heat the battery according to the current relevant parameters of the battery.
28. The drone of claim 27, wherein the controller controls the electrical heating assembly to heat the battery when current relevant parameters of the battery meet preset conditions.
29. A drone according to claim 27, wherein the current battery-related parameters include at least one of: the current electric quantity of the battery and the current temperature of the battery.
30. An unmanned aerial vehicle as defined in claim 29, wherein the fuselage is provided with a temperature detector in communication with the controller, the temperature detector being configured to obtain a current temperature of the battery;
when the acquired current temperature of the battery detected by the temperature detector is higher than a preset temperature, the controller controls the electric heating assembly to carry out heat preservation treatment on the battery.
31. An unmanned aerial vehicle as claimed in any one of claims 27-30, wherein the fuselage is provided with a timer communicatively connected to the controller;
the timer is used for timing the heating time of the battery;
when the heating time of the battery timed by the timer is longer than the preset time, the controller controls the electric heating assembly to stop heating the battery.
32. An unmanned aerial vehicle as claimed in any one of claims 27-31, wherein the fuselage is provided with a charge detector in communication with the controller, the charge detector being configured to detect a current remaining charge of the battery;
when the current electric quantity of the battery detected by the electric quantity detector is smaller than a first preset electric quantity, the controller controls the electric heating assembly to stop heating the battery.
33. An unmanned aerial vehicle according to any one of claims 27-32, wherein a manually operable member electrically connected to the controller is provided on the fuselage, and the battery heating command is triggered by operation of the manually operable member.
34. A drone according to claim 33, wherein the manually-operated components include at least one of: the button, the knob, toggle switch, touch-sensitive screen.
35. A drone according to claim 33 or 34, characterised in that the function of the manually-operated components comprises at least one of: the method comprises the steps of controlling the battery to be turned on and off, controlling the battery to start heating, controlling a display device to display the current residual capacity of the battery, and controlling the display device to display the current service life of the battery.
36. An unmanned aerial vehicle according to any one of claims 33-35, wherein the manually operable component is a power button, and the button is operable to trigger a battery heating command or a power on/off command by selecting different pressing times and/or pressing times.
37. A drone as claimed in any one of claims 33 to 36, wherein the power at which the battery is heated by the electrical heating assembly is the rated power of the battery.
38. The drone of any one of claims 27-32, wherein when the battery is in a discharged state, the power of the electrical heating assembly to heat the battery is less than or equal to a difference between the rated power and the discharged power.
39. An unmanned aerial vehicle as claimed in any one of claims 27-38, wherein a display device is provided on the fuselage and is in communication with the controller, the display device being configured to display an indication indicating that the battery is in a heated state.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/103956 WO2018076327A1 (en) | 2016-10-31 | 2016-10-31 | Battery heating method, battery control system, battery and unmanned aerial vehicle |
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| CN106688136A true CN106688136A (en) | 2017-05-17 |
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| CN201680002611.7A Pending CN106688136A (en) | 2016-10-31 | 2016-10-31 | Battery heating method, battery control system, battery and unmanned aerial vehicle |
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