CN115891691A - Power battery wireless charging control method, system, terminal and storage system - Google Patents
Power battery wireless charging control method, system, terminal and storage system Download PDFInfo
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Abstract
The invention discloses a power battery wireless charging control method, a power battery wireless charging control system, a power battery wireless charging control terminal and a power battery wireless charging storage system, which belong to the technical field of wireless charging of power batteries of electric vehicles, and are used for acquiring state information of a battery and judging whether to execute a heating strategy or not; if so, executing a heating strategy until the heating is finished, and executing a charging strategy until the charging is finished; and acquiring an operating environment after charging is finished, and executing a charging post-processing strategy through the operating environment. This patent is under the wireless prerequisite of counterpointing the signal counterpoint and succeeding in, at the wireless in-process that charges or heat promptly, and the connection status of direct current rifle, alternating current rifle or the rifle that charges can not influence the battery and get into the wireless flow of charging or heating, also can not influence the interrupt of charging or heating state. After the battery is charged, a charging state maintaining strategy is added, and frequent switching of the charging state of the battery is avoided, so that the charging or heating state of the battery is controlled more intelligently.
Description
Technical Field
The invention discloses a power battery wireless charging control method, a power battery wireless charging control system, a terminal and a storage system, and belongs to the technical field of wireless charging of power batteries of electric vehicles.
Background
With the increasing severity of environmental and energy crisis, new energy automobiles become a trend of future development irreversibly, and pure electric automobiles are the ultimate development direction. The performance of the power battery, which is used as a core component of a pure electric automobile, can seriously affect the technical level of the whole automobile. Just as the conventional fuel-powered vehicle needs to supplement energy by continuously refueling, the electric vehicle needs to continuously charge the power battery, so research on a charging control method and a charging control device of the power battery becomes a key technology for the development of the electric vehicle.
With the continuous development of new energy vehicles, the more abundant the modes and methods for charging the power battery, including ac charging, dc charging, wireless charging, etc. In order to avoid the influence on the interruption of wireless charging due to the connection of a charging gun or a discharging gun in the wireless charging process; after the battery is charged, the battery is powered off due to the change of the user-defined SOC or the power consumption of the whole vehicle, so that the charging state is frequently switched back and forth.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a power battery wireless charging control method, a system, a terminal and a storage system, which control the charging state and the charging strategy of a battery by acquiring the state information of a charger, the state information of a finished vehicle and the state information of the battery in real time, prevent the battery from being overcharged and overheated, prolong the service life of the battery, improve the charging efficiency and ensure the charging safety.
The technical scheme of the invention is as follows:
according to a first aspect of the embodiments of the present invention, there is provided a power battery wireless charging control method, including:
acquiring state information of a battery and judging whether to execute a heating strategy or not;
if so, executing a heating strategy until heating is completed, and executing a charging strategy until charging is completed;
and acquiring an operating environment after charging is finished, and executing a charging post-processing strategy through the operating environment.
Preferably, the acquiring the state information of the battery and determining whether to send the heating request to the entire vehicle further includes:
acquiring the state data of the vehicle charging gun connection and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
Preferably, the acquiring an operating environment after receiving the charging completion data, and executing the post-charging processing policy through the operating environment includes:
when the operating environment is the power utilization environment of the whole vehicle, acquiring the charge state data of the power battery and judging whether the charge state data is reduced by X%:
if yes, the charging strategy is repeatedly executed until the charging is completed;
if not, keeping the charging completion state;
when the operating environment is the user-defined power battery state of charge data, acquiring the user-defined power battery state of charge data and the current power battery state of charge data, and judging whether the user-defined power battery state of charge data is larger than the current power battery state of charge data or not through the user-defined power battery state of charge data:
if yes, the charging strategy is repeatedly executed until the charging is completed;
otherwise, the charging completion state is maintained.
Preferably, acquiring the state information of the battery and determining whether to perform the heating strategy includes:
acquiring state information of the battery, which at least comprises: charging circuit condition data, power battery current electric quantity data, battery core temperature data of a battery pack and heating circuit condition data;
judging whether the power battery has a fault affecting charging according to the charging circuit condition data:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the power battery is in a full-power state or not according to the current electric quantity data of the power battery:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the temperature is lower than a temperature threshold value of wireless heating opening or not according to the battery core temperature data of the battery pack:
if yes, executing the next step;
if not, executing the charging strategy;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, executing the next step;
if not, executing the heating strategy;
judging whether the cell temperature data of the battery pack is lower than a lowest temperature threshold value allowing wireless charging to be carried out or not according to the cell temperature data of the battery pack:
if yes, the charging strategy is not executed;
and if not, executing the charging strategy.
Preferably, the executing the charging strategy includes:
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the charging mode is not started;
acquiring state data of a finished automobile wireless charging permission instruction and judging whether the instruction fed back by the finished automobile is finished automobile wireless charging permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the charging mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, starting a charging mode and executing the next step;
if not, the charging mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists or not:
if yes, immediately exiting the charging mode;
if not, executing the next step;
and judging whether charging is finished or not according to the current electric quantity data of the power battery:
if yes, exiting the charging mode, acquiring an operating environment, and executing a post-charging processing strategy through the operating environment;
if not, executing the next step;
acquiring the wireless charging permission instruction data of the whole vehicle and judging whether to stop sending:
if yes, waiting is needed until the wireless charging permission instruction of the whole vehicle is received again, and then charging is continued;
if not, the battery is continuously charged, the steps are repeated to obtain the real-time charging circuit state data, and whether a fault influencing charging exists is judged until the charging mode exits.
Preferably, the executing the heating strategy includes:
acquiring state data of the finished automobile heating permission instruction, and judging whether the instruction fed back by the finished automobile is finished automobile heating permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the heating mode is not started;
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data output by the water heating PTC to judge whether the battery is in an output state:
if yes, starting a heating mode and executing the next step;
if not, the heating mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists or not:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, executing the next step;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of the wireless heating start;
if not, executing the next step;
acquiring real-time heating duration to judge whether heating is overtime:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of the wireless heating start;
if not, executing the next step;
the battery core temperature data of the real-time battery pack is obtained, and whether the battery core temperature data is lower than the lowest temperature threshold data of the wireless heating start is judged:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
acquiring the electric core temperature data of the real-time battery pack, and judging whether the electric core temperature data is equal to the wireless heating starting temperature data:
if yes, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
if not, the battery is continuously heated to obtain real-time charging circuit condition data, and whether a fault influencing charging exists is judged until the condition of executing a charging strategy is met;
the heating permission data of the whole vehicle are acquired and whether the vehicle stops running is judged:
if yes, exiting the heating mode and entering a charging strategy;
and if not, the vehicle is waited for until the vehicle heating permission data is stopped, and then the vehicle exits from the heating mode and enters into a charging strategy.
According to a second aspect of the embodiments of the present invention, there is provided a wireless charging control apparatus for a power battery of an electric vehicle, including:
the automatic preprocessing module is used for acquiring the state information of the battery and judging whether to execute a heating strategy or not;
the automatic processing module is used for executing a heating strategy if the charging strategy is finished, and executing a charging strategy until the charging is finished;
and the automatic post-processing module is used for acquiring an operating environment after charging is finished and executing a charging post-processing strategy through the operating environment.
Preferably, the automated preprocessing module is configured to:
acquiring the state data of the connection of the vehicle charging gun and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
According to a third aspect of the embodiments of the present invention, there is provided a terminal, including:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
the method of the first aspect of the embodiments of the present invention is performed.
According to a fourth aspect of embodiments of the present invention, there is provided a non-transitory computer readable storage medium, wherein instructions, when executed by a processor of a terminal, enable the terminal to perform the method of the first aspect of embodiments of the present invention.
According to a fifth aspect of embodiments of the present invention, there is provided an application program product, which, when running on a terminal, causes the terminal to perform the method of the first aspect of embodiments of the present invention.
The invention has the beneficial effects that:
the patent provides a power battery wireless charging control method, system, terminal and storage system, under the wireless counterpoint signal counterpoint success's prerequisite, can control the battery and do not receive the influence of connecting direct current rifle, the rifle that charges of alternating current or the rifle that discharges, promptly at the in-process that wireless charges or heats, the connection status of direct current rifle, the rifle that charges of alternating current or the rifle that discharges can not influence the battery and get into the wireless process of charging or heating, can not influence the interrupt of the state of charging or heating yet. After the battery is charged, a charging state maintaining strategy is added, the frequent switching of the charging state of the battery is avoided, and therefore the charging state or the heating state of the battery is controlled more intelligently, the overcharge and the overheating of the battery are prevented, the service life of the battery is prolonged, the charging efficiency is improved, and the charging safety is guaranteed.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
FIG. 1 is a flow chart illustrating a method for wireless power cell charging control according to an exemplary embodiment;
FIG. 2 is a flow chart illustrating a method for wireless power battery charging control in accordance with an exemplary embodiment;
FIG. 3 is a block diagram illustrating a schematic structure of a wireless charging control device for a power battery of an electric vehicle according to an exemplary embodiment;
fig. 4 is a schematic block diagram of a terminal structure shown in accordance with an exemplary embodiment.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention provides a power battery wireless charging control method which is realized by a terminal, wherein the terminal can be a smart phone, a desktop computer or a notebook computer and the like, and the terminal at least comprises a CPU, a voice acquisition device and the like.
Example one
Fig. 1 is a flowchart illustrating a power battery wireless charging control method according to an exemplary embodiment, the method being used in a terminal, and the method including the steps of:
102, if yes, executing a heating strategy until heating is completed, and then executing a charging strategy until charging is completed;
and 103, acquiring an operating environment after charging is finished, and executing a post-charging processing strategy through the operating environment.
Preferably, the acquiring the state information of the battery and determining whether to send the heating request to the entire vehicle further includes:
acquiring the state data of the connection of the vehicle charging gun and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
Preferably, the acquiring an operating environment after receiving the charging completion data, and executing the post-charging processing policy through the operating environment includes:
when the operating environment is the power utilization environment of the whole vehicle, acquiring the charge state data of the power battery and judging whether the charge state data is reduced by X%:
if yes, the charging strategy is repeatedly executed until the charging is completed;
if not, keeping the charging completion state;
when the operating environment is the user-defined power battery state of charge data, acquiring the user-defined power battery state of charge data and the current power battery state of charge data, and judging whether the user-defined power battery state of charge data is larger than the current power battery state of charge data or not through the user-defined power battery state of charge data:
if yes, the charging strategy is repeatedly executed until the charging is completed;
otherwise, the charging completion state is maintained.
Preferably, acquiring the state information of the battery and determining whether to execute the heating strategy includes:
acquiring state information of the battery, which at least comprises: charging circuit condition data, power battery current electric quantity data, battery core temperature data of a battery pack and heating circuit condition data;
and judging whether the power battery has a fault influencing charging according to the charging circuit condition data:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the current electric quantity data of the power battery is in a full-electricity state:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the temperature is lower than a temperature threshold value of wireless heating opening or not according to the battery core temperature data of the battery pack:
if yes, executing the next step;
if not, executing the charging strategy;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, executing the next step;
if not, executing the heating strategy;
judging whether the battery core temperature data of the battery pack is lower than a lowest temperature threshold value allowing wireless charging to be performed or not:
if yes, the charging strategy is not executed;
otherwise, executing the charging strategy.
Preferably, the executing the charging strategy includes:
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the charging mode is not started;
acquiring state data of the finished automobile wireless charging permission instruction and judging whether the instruction fed back by the finished automobile is finished automobile wireless charging permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the charging mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, starting a charging mode and executing the next step;
if not, the charging mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists or not:
if yes, immediately exiting the charging mode;
if not, executing the next step;
and judging whether charging is finished or not according to the current electric quantity data of the power battery:
if yes, exiting the charging mode, acquiring an operating environment, and executing a post-charging processing strategy through the operating environment;
if not, executing the next step;
acquiring the wireless charging permission instruction data of the whole vehicle and judging whether to stop sending:
if yes, waiting is needed until the wireless charging permission instruction of the whole vehicle is received again, and then charging is continued;
if not, the battery is continuously charged, the steps are repeated to obtain the real-time charging circuit state data, and whether a fault influencing charging exists is judged until the charging mode exits.
Preferably, the executing the heating strategy includes:
acquiring state data of the finished automobile heating permission instruction, and judging whether the instruction fed back by the finished automobile is finished automobile heating permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the heating mode is not started;
acquiring the data of the high-voltage power-on state of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data output by the water heating PTC to judge whether the battery is in an output state:
if yes, starting a heating mode and executing the next step;
if not, the heating mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists or not:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, executing the next step;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of the wireless heating start;
if not, executing the next step;
acquiring real-time heating duration to judge whether heating is overtime:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of the wireless heating start;
if not, executing the next step;
the battery core temperature data of the real-time battery pack is obtained, and whether the battery core temperature data is lower than the lowest temperature threshold data of the wireless heating start is judged:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
acquiring the electric core temperature data of the real-time battery pack, and judging whether the electric core temperature data is equal to the wireless heating starting temperature data:
if yes, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
if not, the battery is continuously heated to obtain real-time charging circuit condition data, and whether a fault influencing charging exists is judged until the condition of executing a charging strategy is met;
the heating permission data of the whole vehicle are acquired and whether the vehicle stops running or not is judged:
if yes, exiting the heating mode and entering a charging strategy;
and if not, the vehicle is waited for until the vehicle heating permission data is stopped, and then the vehicle exits from the heating mode and enters into a charging strategy.
Example two
Fig. 2 is a flowchart illustrating a power battery wireless charging control method according to an exemplary embodiment, the method being used in a terminal, and the method including the steps of:
acquiring the state data of the connection of the vehicle charging gun and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
acquiring state information of the battery, which at least comprises: charging circuit condition data, power battery current electric quantity data, battery core temperature data of a battery pack and heating circuit condition data;
and judging whether the power battery has a fault influencing charging according to the charging circuit condition data:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the power battery is in a full-power state or not according to the current electric quantity data of the power battery:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the temperature is lower than a temperature threshold value of wireless heating opening or not according to the battery core temperature data of the battery pack:
if yes, executing the next step;
if not, executing the charging strategy;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, executing the next step;
if not, executing the heating strategy;
judging whether the cell temperature data of the battery pack is lower than a lowest temperature threshold value allowing wireless charging to be carried out or not according to the cell temperature data of the battery pack:
if yes, the charging strategy is not executed;
otherwise, executing the charging strategy.
executing a heating strategy, comprising the following specific steps:
acquiring state data of the finished automobile heating permission instruction, and judging whether the instruction fed back by the finished automobile is finished automobile heating permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the heating mode is not started;
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data output by the water heating PTC to judge whether the battery is in an output state:
if yes, starting a heating mode and executing the next step;
if not, the heating mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, executing the next step;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of the wireless heating start;
if not, executing the next step;
acquiring real-time heating time length to judge whether heating is overtime:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of the wireless heating start;
if not, executing the next step;
the battery core temperature data of the real-time battery pack is obtained, and whether the battery core temperature data is lower than the lowest temperature threshold data of the wireless heating start is judged:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
acquiring the cell temperature data of the real-time battery pack, and judging whether the cell temperature data is equal to the wireless heating starting temperature data:
if yes, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
if not, the battery is continuously heated to obtain real-time charging circuit condition data, and whether a fault influencing charging exists is judged until the condition of executing a charging strategy is met;
the heating permission data of the whole vehicle are acquired and whether the vehicle stops running or not is judged:
if yes, exiting the heating mode and entering a charging strategy;
and if not, the vehicle is waited for until the vehicle heating permission data is stopped, and then the vehicle exits from the heating mode and enters into a charging strategy.
Executing a charging strategy, comprising the following specific steps:
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the charging mode is not started;
acquiring state data of the finished automobile wireless charging permission instruction and judging whether the instruction fed back by the finished automobile is finished automobile wireless charging permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the charging mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, starting a charging mode and executing the next step;
if not, the charging mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists:
if yes, immediately exiting the charging mode;
if not, executing the next step;
and judging whether charging is finished or not according to the current electric quantity data of the power battery:
if yes, exiting the charging mode, acquiring an operating environment, and executing a post-charging processing strategy through the operating environment;
if not, executing the next step;
acquiring the wireless charging permission instruction data of the whole vehicle and judging whether to stop sending:
if yes, waiting is needed until the wireless charging permission instruction of the whole vehicle is received again, and then charging is continued;
if not, the battery is continuously charged, the steps are repeated to obtain the real-time charging circuit state data, and whether a fault influencing charging exists is judged until the charging mode exits.
when the operating environment is the power utilization environment of the whole vehicle, acquiring the charge state data of the power battery and judging whether X% is reduced or not, wherein X is a natural number greater than 0:
if yes, the charging strategy is repeatedly executed until the charging is completed;
if not, keeping the charging completion state;
when the operating environment is the user-defined power battery state of charge data, acquiring the user-defined power battery state of charge data and the current power battery state of charge data, and judging whether the user-defined power battery state of charge data is larger than the current power battery state of charge data or not through the user-defined power battery state of charge data:
if yes, the charging strategy is repeatedly executed until the charging is completed;
otherwise, the charging completion state is maintained.
This patent is under the successful prerequisite of wireless counterpoint signal counterpoint, can control the battery and not receive the influence of connecting direct current rifle, the rifle that charges of interchange or the rifle that discharges, and at the in-process that charges or heat wirelessly promptly, the connection state of direct current rifle, the rifle that charges of interchange or the rifle that discharges can not influence the battery and get into the flow of wireless charging or heating, can not influence the interruption of charging or heating state yet. After the charging of the battery is finished, a charging state maintaining strategy is added, and the frequent switching back and forth of the charging state of the battery is avoided, so that the charging or heating state of the battery is controlled more intelligently.
EXAMPLE III
Fig. 3 is a block diagram schematically illustrating a structure of a wireless charging control device for a power battery of an electric vehicle according to an exemplary embodiment, the device including the following:
an automatic preprocessing module 310, configured to obtain state information of the battery and determine whether to execute a heating policy;
the automatic processing module 320 is used for executing a heating strategy if the charging strategy is finished, and executing a charging strategy after the heating is finished until the charging is finished;
and the automatic post-processing module 330 is configured to acquire an operating environment after charging is completed, and execute a charging post-processing policy through the operating environment.
Preferably, the automated preprocessing module 310 is configured to:
acquiring the state data of the connection of the vehicle charging gun and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
This patent is under the successful prerequisite of wireless counterpoint signal counterpoint, can control the battery and not receive the influence of connecting direct current rifle, the rifle that charges of interchange or the rifle that discharges, and at the in-process that charges or heat wirelessly promptly, the connection state of direct current rifle, the rifle that charges of interchange or the rifle that discharges can not influence the battery and get into the flow of wireless charging or heating, can not influence the interruption of charging or heating state yet. After the charging of the battery is finished, a charging state maintaining strategy is added, and the frequent switching back and forth of the charging state of the battery is avoided, so that the charging or heating state of the battery is controlled more intelligently.
Example four
Fig. 4 is a block diagram of a terminal according to an embodiment of the present application, where the terminal may be the terminal in the foregoing embodiment. The terminal 400 may be a portable mobile terminal such as: smart phones, tablet computers. The terminal 400 may also be referred to by other names such as user equipment, portable terminal, etc.
In general, the terminal 400 includes: a processor 401 and a memory 402.
In some embodiments, the terminal 400 may further optionally include: a peripheral interface 403 and at least one peripheral. Specifically, the peripheral device includes: at least one of radio frequency circuitry 404, touch screen display 405, camera 406, audio circuitry 407, positioning components 408, and power source 409.
The peripheral interface 403 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 401 and the memory 402. In some embodiments, processor 401, memory 402, and peripheral interface 403 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 401, the memory 402 and the peripheral interface 403 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 404 is used to receive and transmit RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 404 communicates with a communication network and other communication devices via electromagnetic signals. The rf circuit 404 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 404 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 404 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: the world wide web, metropolitan area networks, intranets, various generations of mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the radio frequency circuit 404 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The touch display screen 405 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. The touch screen display 405 also has the ability to collect touch signals on or over the surface of the touch screen display 405. The touch signal may be input to the processor 401 as a control signal for processing. The touch screen display 405 is used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the touch display screen 405 may be one, providing the front panel of the terminal 400; in other embodiments, the touch screen display 405 may be at least two, respectively disposed on different surfaces of the terminal 400 or in a folded design; in still other embodiments, the touch display 405 may be a flexible display disposed on a curved surface or on a folded surface of the terminal 400. Even more, the touch screen 405 may be configured as a non-rectangular irregular figure, i.e., a shaped screen. The touch screen 405 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and other materials.
The camera assembly 406 is used to capture images or video. Optionally, camera assembly 406 includes a front camera and a rear camera. Generally, a front camera is used for realizing video call or self-shooting, and a rear camera is used for realizing shooting of pictures or videos. In some embodiments, the number of the rear cameras is at least two, and each of the rear cameras is any one of a main camera, a depth-of-field camera and a wide-angle camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize a panoramic shooting function and a VR (Virtual Reality) shooting function. In some embodiments, camera assembly 406 may also include a flash. The flash lamp can be a single-color temperature flash lamp or a double-color temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp and can be used for light compensation at different color temperatures.
The audio circuit 407 is used to provide an audio interface between the user and the terminal 400. The audio circuitry 407 may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals, and inputting the electric signals to the processor 401 for processing or inputting the electric signals to the radio frequency circuit 404 to achieve voice communication. The microphones may be provided in a plurality for stereo sound collection or noise reduction, and are respectively disposed at different portions of the terminal 400. The microphone may also be an array microphone or an omni-directional pick-up microphone. The speaker is used to convert electrical signals from the processor 401 or the radio frequency circuit 404 into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, audio circuitry 407 may also include a headphone jack.
The positioning component 408 is used to locate the current geographic position of the terminal 400 for navigation or LBS (Location Based Service). The Positioning component 408 can be a Positioning component based on the Global Positioning System (GPS) in the united states, the beidou System in china, or the galileo System in russia.
The power supply 409 is used to supply power to the various components in the terminal 400. The power source 409 may be alternating current, direct current, disposable or rechargeable. When the power source 409 includes a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge techniques.
In some embodiments, the terminal 400 also includes one or more sensors 410. The one or more sensors 410 include, but are not limited to: acceleration sensor 411, gyro sensor 412, pressure sensor 413, fingerprint sensor 414, optical sensor 415, and proximity sensor 416.
The acceleration sensor 411 may detect the magnitude of acceleration on three coordinate axes of the coordinate system established with the terminal 400. For example, the acceleration sensor 411 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 401 may control the touch display screen 405 to display the user interface in a landscape view or a portrait view according to the gravity acceleration signal collected by the acceleration sensor 411. The acceleration sensor 411 may also be used for acquisition of motion data of a game or a user.
The gyro sensor 412 may detect a body direction and a rotation angle of the terminal 400, and the gyro sensor 412 may cooperate with the acceleration sensor 411 to acquire a 3D (3 dimensional) motion of the user with respect to the terminal 400. From the data collected by the gyro sensor 412, the processor 401 may implement the following functions: motion sensing (such as changing the UI according to a user's tilt operation), image stabilization while taking, game control, and inertial navigation.
The pressure sensor 413 may be disposed on a side bezel of the terminal 400 and/or a lower layer of the touch display screen 405. When the pressure sensor 413 is disposed at a side frame of the terminal 400, a user's grip signal to the terminal 400 can be detected, and left-right hand recognition or shortcut operation can be performed based on the grip signal. When the pressure sensor 413 is disposed at the lower layer of the touch display screen 405, the operability control on the UI interface can be controlled according to the pressure operation of the user on the touch display screen 405. The operability controls include at least one of button controls, scroll bar controls, icon controls, and menu controls.
The fingerprint sensor 414 is used for collecting a fingerprint of the user to identify the identity of the user according to the collected fingerprint. Upon identifying that the user's identity is a trusted identity, the processor 401 authorizes the user to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying, changing settings, and the like. The fingerprint sensor 414 may be disposed on the front, back, or side of the terminal 400. When a physical key or vendor Logo is provided on the terminal 400, the fingerprint sensor 414 may be integrated with the physical key or vendor Logo.
The optical sensor 415 is used to collect the ambient light intensity. In one embodiment, the processor 401 may control the display brightness of the touch display screen 405 based on the ambient light intensity collected by the optical sensor 415. Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 405 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 405 is turned down. In another embodiment, the processor 401 may also dynamically adjust the shooting parameters of the camera assembly 406 according to the intensity of the ambient light collected by the optical sensor 415.
A proximity sensor 416, also known as a distance sensor, is typically provided on the front side of the terminal 400. The proximity sensor 416 is used to collect the distance between the user and the front surface of the terminal 400. In one embodiment, when the proximity sensor 416 detects that the distance between the user and the front surface of the terminal 400 gradually decreases, the processor 401 controls the touch display screen 405 to switch from the bright screen state to the dark screen state; when the proximity sensor 416 detects that the distance between the user and the front surface of the terminal 400 is gradually increased, the processor 401 controls the touch display screen 405 to switch from the breath screen state to the bright screen state.
Those skilled in the art will appreciate that the configuration shown in fig. 4 is not intended to be limiting of terminal 400 and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used.
EXAMPLE five
In an exemplary embodiment, a computer-readable storage medium is further provided, on which a computer program is stored, which when executed by a processor implements a wireless charging control method for a power battery as provided in all inventive embodiments of this application.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
EXAMPLE six
In an exemplary embodiment, an application program product is further provided, which includes one or more instructions executable by the processor 401 of the above apparatus to implement the above wireless charging control method for a power battery.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept as defined by the claims and their equivalents.
Claims (10)
1. A wireless charging control method for a power battery is characterized by comprising the following steps:
acquiring state information of a battery and judging whether to execute a heating strategy or not;
if so, executing a heating strategy until the heating is finished, and executing a charging strategy until the charging is finished;
and acquiring an operating environment after charging is finished, and executing a charging post-processing strategy through the operating environment.
2. The wireless charging control method for the power battery according to claim 1, wherein the obtaining of the state information of the battery and the judgment of whether to send a heating request to the whole vehicle further comprises:
acquiring the state data of the connection of the vehicle charging gun and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
3. The power battery wireless charging control method according to claim 1, wherein the obtaining an operating environment after receiving the charging completion data, and executing a post-charging processing strategy through the operating environment comprises:
when the operating environment is the power utilization environment of the whole vehicle, acquiring the charge state data of the power battery and judging whether the charge state data is reduced by X%:
if yes, the charging strategy is repeatedly executed until the charging is completed;
if not, keeping the charging completion state;
when the operating environment is the user-defined power battery charge state data, obtaining the user-defined power battery charge state data and the current power battery charge state data, and judging whether the user-defined power battery charge state data is larger than the current power battery charge state data or not through the user-defined power battery charge state data:
if yes, the charging strategy is repeatedly executed until the charging is completed;
otherwise, the charging completion state is maintained.
4. The power battery wireless charging control method according to claim 1, wherein acquiring the state information of the battery and judging whether to execute the heating strategy comprises:
acquiring state information of the battery, which at least comprises: charging circuit condition data, power battery current electric quantity data, battery core temperature data of a battery pack and heating circuit condition data;
and judging whether the power battery has a fault influencing charging according to the charging circuit condition data:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the power battery is in a full-power state or not according to the current electric quantity data of the power battery:
if yes, the charging strategy is not executed;
if not, executing the next step;
judging whether the temperature is lower than a temperature threshold value for wireless heating start through the battery core temperature data of the battery pack:
if yes, executing the next step;
if not, executing the charging strategy;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, executing the next step;
if not, executing the heating strategy;
judging whether the cell temperature data of the battery pack is lower than a lowest temperature threshold value allowing wireless charging to be carried out or not according to the cell temperature data of the battery pack:
if yes, the charging strategy is not executed;
otherwise, executing the charging strategy.
5. The power battery wireless charging control method according to claim 4, wherein the executing of the charging strategy comprises:
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the charging mode is not started;
acquiring state data of a finished automobile wireless charging permission instruction and judging whether the instruction fed back by the finished automobile is finished automobile wireless charging permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the charging mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, starting a charging mode and executing the next step;
if not, the charging mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists:
if yes, immediately exiting the charging mode;
if not, executing the next step;
and judging whether charging is finished or not according to the current electric quantity data of the power battery:
if yes, exiting the charging mode, acquiring an operating environment, and executing a post-charging processing strategy through the operating environment;
if not, executing the next step;
acquiring the wireless charging permission instruction data of the whole vehicle and judging whether to stop sending:
if yes, waiting is needed until the whole vehicle wireless charging permission instruction is received again, and then charging is continued;
if not, the battery is continuously charged, the steps are repeated to obtain the real-time charging circuit status data, and whether a fault influencing charging exists is judged until the charging mode exits.
6. The power battery wireless charging control method according to claim 4, wherein the executing of the heating strategy comprises:
acquiring state data of the finished automobile heating permission instruction, and judging whether the instruction fed back by the finished automobile is finished automobile heating permission data:
if yes, sending a charging voltage request and a charging current request to a charger and executing the next step;
if not, the heating mode is not started;
acquiring the high-voltage power-on state data of the whole vehicle and judging whether the high-voltage power-on is finished:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data of a charger and judging whether the battery is in a constant voltage output state:
if yes, executing the next step;
if not, the heating mode is not started;
acquiring state data output by the water heating PTC to judge whether the battery is in an output state:
if yes, starting a heating mode and executing the next step;
if not, the heating mode is not started;
acquiring real-time charging circuit condition data, judging whether a fault influencing charging exists:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, executing the next step;
judging whether a fault influencing heating exists according to the heating circuit condition data:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of wireless heating starting;
if not, executing the next step;
acquiring real-time heating duration to judge whether heating is overtime:
if yes, acquiring the cell temperature data of the real-time battery pack and judging whether the cell temperature data is lower than the lowest temperature threshold value of wireless heating starting;
if not, executing the next step;
the battery core temperature data of the real-time battery pack is obtained, and whether the battery core temperature data is lower than the lowest temperature threshold data of wireless heating start is judged:
if yes, immediately exiting the heating mode and not executing the charging strategy any more;
if not, acquiring the heating permission data of the whole vehicle and judging whether the vehicle stops running;
acquiring the cell temperature data of the real-time battery pack, and judging whether the cell temperature data is equal to the wireless heating starting temperature data:
if yes, acquiring the heating allowable data of the whole vehicle and judging whether the heating is stopped;
if not, the battery is continuously heated to obtain real-time charging circuit condition data, and whether a fault influencing charging exists is judged until the condition of executing a charging strategy is met;
the heating permission data of the whole vehicle are acquired and whether the vehicle stops running or not is judged:
if yes, exiting the heating mode and entering a charging strategy;
and if not, the vehicle heating control method waits until the vehicle heating permission data is stopped, exits the heating mode and enters the charging strategy.
7. The utility model provides an electric automobile power battery's wireless charge controlling means which characterized in that includes:
the automatic pretreatment module is used for acquiring the state information of the battery and judging whether to execute a heating strategy or not;
the automatic processing module is used for executing a heating strategy if the charging strategy is finished, and executing a charging strategy until the charging is finished after the heating is finished;
and the automatic post-processing module is used for acquiring an operating environment after charging is finished and executing a post-charging processing strategy through the operating environment.
8. The wireless charging control device of the power battery of the electric vehicle according to claim 7, wherein the automatic preprocessing module is configured to:
acquiring the state data of the connection of the vehicle charging gun and judging whether the charging gun is connected:
if yes, the charging strategy is not executed;
if not, executing the next step;
acquiring wireless alignment data and judging whether alignment is successful:
if yes, executing the next step;
otherwise, the charging strategy is not executed.
9. A terminal, comprising:
one or more processors;
a memory for storing the one or more processor-executable instructions;
wherein the one or more processors are configured to:
executing a power battery wireless charging control method according to any one of claims 1 to 7.
10. A non-transitory computer-readable storage medium, wherein instructions in the storage medium, when executed by a processor of a terminal, enable the terminal to perform a wireless charging control method for a power battery according to any one of claims 1 to 7.
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| CN202210279316.3A CN115891691B (en) | 2022-03-21 | Wireless charging control method, system, terminal and storage medium for power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210279316.3A CN115891691B (en) | 2022-03-21 | Wireless charging control method, system, terminal and storage medium for power battery |
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| CN115891691A true CN115891691A (en) | 2023-04-04 |
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