WO2022126560A1 - Plateforme mobile, son procédé de charge et de décharge, et support de stockage - Google Patents

Plateforme mobile, son procédé de charge et de décharge, et support de stockage Download PDF

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Publication number
WO2022126560A1
WO2022126560A1 PCT/CN2020/137403 CN2020137403W WO2022126560A1 WO 2022126560 A1 WO2022126560 A1 WO 2022126560A1 CN 2020137403 W CN2020137403 W CN 2020137403W WO 2022126560 A1 WO2022126560 A1 WO 2022126560A1
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WIPO (PCT)
Prior art keywords
battery
power
management module
power management
movable platform
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PCT/CN2020/137403
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English (en)
Chinese (zh)
Inventor
陆城富
靖俊
孙仲健
Original Assignee
深圳市大疆创新科技有限公司
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Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to PCT/CN2020/137403 priority Critical patent/WO2022126560A1/fr
Priority to CN202080079885.2A priority patent/CN114788119A/zh
Publication of WO2022126560A1 publication Critical patent/WO2022126560A1/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • the present application is in the technical field of batteries, and in particular, relates to a movable platform, a charging and discharging method for the movable platform, and a storage medium.
  • the existing charge and discharge control system for internal and external battery products cannot realize the function of the body charging the internal and external batteries at the same time.
  • the external battery is equipped with a dedicated charger or charging housekeeper, which becomes very redundant.
  • Electronic products usually only have one battery in the body, which has a limited battery life and needs to be charged in real time. For example, in scenarios that require continuous operation outdoors, only a power bank/large-capacity battery can be used for continuous power supply, which brings inconvenience to outdoor applications.
  • the present application provides a movable platform, a charging and discharging method for the movable platform, and a storage medium.
  • the present application provides a movable platform, and the movable platform includes:
  • a first power management module for controlling an external charging power source to charge the first battery
  • the second power management module is used for controlling the external charging power source to charge the second battery.
  • the present application provides a charging and discharging method for a movable platform, the method comprising:
  • the first power management module controls an external charging power source to charge the first battery or controls the first battery to supply power to a system load of the movable platform according to a preset charge and discharge control strategy;
  • the second power management module controls an external charging power source to charge the second battery or controls the second battery to supply power to a system load of the movable platform according to a preset charge and discharge control strategy.
  • the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, enables the processor to implement the above-mentioned removable platform charging and discharging method.
  • Embodiments of the present application provide a movable platform, a charging and discharging method for the movable platform, and a storage medium.
  • the movable platform includes: a first battery and a second battery for powering the movable platform; a first power management The module is used for controlling the external charging power supply to charge the first battery; the second power management module is used for controlling the external charging power supply to charge the second battery. Since the first power management module and the second power management module of the movable platform in this embodiment can control the external charging power source to charge the first battery and the second battery respectively, in this way, the movable platform can pass through the two The power management module charges two batteries respectively. When one of the batteries is detachable, it is equivalent to an external battery.
  • both the built-in battery and the external battery can be charged through the movable platform. , can improve the product function integration, can get rid of the redundant external battery from a specially equipped electrical appliance or a charging housekeeper, and the charged external battery can provide support for the continuous operation of the mobile platform, and can adapt to the need for long battery life. , outdoor application scenarios that require continuous operation without power supply, do not need to carry additional power banks/large-capacity batteries, which can facilitate outdoor applications. Therefore, the movable platform in the embodiment of the present application can charge both the built-in battery and the external battery. Battery charging provides technical support for the continuous operation of the removable platform.
  • FIG. 1 is a schematic structural diagram of an embodiment of a mobile platform of the present application.
  • FIG. 2 is a schematic structural diagram of another embodiment of the mobile platform of the present application.
  • FIG. 3 is a schematic structural diagram of another embodiment of the mobile platform of the present application.
  • FIG. 4 is a schematic structural diagram of another embodiment of the mobile platform of the present application.
  • FIG. 5 is a schematic structural diagram of another embodiment of the mobile platform of the present application.
  • FIG. 6 is a schematic structural diagram of another embodiment of the mobile platform of the present application.
  • the existing charge and discharge control system for internal and external battery products cannot realize the function of the body charging the internal and external batteries at the same time.
  • the external battery is equipped with a dedicated charger or charging butler, which is very redundant.
  • Electronic products only have one battery in the fuselage, which has a limited battery life and needs to be charged in real time.
  • a power bank/large-capacity battery can be used for continuous power supply, which brings inconvenience to outdoor applications.
  • Embodiments of the present application provide a movable platform, a charging and discharging method for the movable platform, and a storage medium.
  • the movable platform includes: a first battery and a second battery for powering the movable platform; a first power management The module is used for controlling the external charging power supply to charge the first battery; the second power management module is used for controlling the external charging power supply to charge the second battery. Since the first power management module and the second power management module of the movable platform in this embodiment can control the external charging power source to charge the first battery and the second battery respectively, in this way, the movable platform can pass through the two The power management module charges two batteries respectively. When one of the batteries is detachable, it is equivalent to an external battery.
  • both the built-in battery and the external battery can be charged through the movable platform. , can improve the product function integration, can get rid of the redundant external battery from a specially equipped electrical appliance or a charging housekeeper, and the charged external battery can provide support for the continuous operation of the mobile platform, and can adapt to the need for long battery life. , outdoor application scenarios that require continuous operation without power supply, do not need to carry additional power banks/large-capacity batteries, which can facilitate outdoor applications. Therefore, the movable platform in the embodiment of the present application can charge both the built-in battery and the external battery. Battery charging provides technical support for the continuous operation of the removable platform.
  • FIG. 1 is a schematic structural diagram of an embodiment of a movable platform of the present application.
  • the movable platform in this embodiment may refer to a mobile platform that can move automatically or through its own power system under controlled conditions.
  • Various platforms such as: PTZ (eg: PTZ camera, etc.), drones, vehicles, unmanned vehicles, ground robots, unmanned ships, etc.
  • the movable platform can also be a portable platform or electronic device, which can change its position when carried by a mobile third party, such as: consumer electronic products (including mobile terminals, mobile phones, etc.), industrial agricultural electronic products (such as remote control, etc.), etc.
  • the movable platform 100 includes: a first battery 1 , a second battery 2 , a first power management module 3 and a second power management module 4 .
  • the first battery 1 and the second battery 2 are used to power the movable platform 100; the first power management module 3 is used to control the external charging power source to charge the first battery 1 and the second battery 2; the second power source The management module 4 is used to control the external charging power source to charge the second battery 2 .
  • the first battery 1 and the second battery 2 are used to supply power to the movable platform 100, and usually, they are to supply power to the system load of the movable platform (that is, all the power-consuming terminals inside the movable platform 100).
  • the system load can have its own power system inside, and the power input to the system load can be converted into different power domains for the system to use in the form of step-up and step-down.
  • the first battery 1 and the second battery 2 can provide all the power consumption required by the system, regardless of the battery capacity and the voltage and current of the battery.
  • the power supply battery can be designed to be removable or non-removable.
  • the second battery 2 that supplies power to the movable platform can be designed as a non-removable built-in battery.
  • the first battery 1 can be understood as a backup battery, which has various forms.
  • the first battery 1 can usually be designed as a detachable external battery for easy replacement.
  • the first battery 1 and the second battery 2 may be lithium batteries or any other type of rechargeable batteries.
  • the labeling of the battery series and parallel specification is: if the label is 1s, it means that 1 battery is used alone, and the nominal voltage is about 3.7V; if it is labelled 2s, it means that 2 batteries are used in series. The voltage is about 7.4V. If it is marked as 1p, it means that one set of batteries is used alone. If it is marked as 2p, it means that two sets of batteries are used in parallel. For example, 2s2p means that two batteries are connected in series, and two groups of batteries are used in parallel.
  • the first battery 1 in this embodiment may be interconnected with the first power management module 3 of the movable platform 100 through a custom battery interface/or other standard battery interface.
  • the first battery 1 can supply power to the movable platform 100 through various interfaces, such as USB Type-C, USB Micro-usb interface, etc., all of which can be used as the interface of the first battery.
  • the power bank can also be regarded as the first battery of consumer electronic products.
  • the first power management module 1 and the second power management module 2 can quickly and effectively allocate the external charging power to the first battery 1 and the second battery 2, respectively, so that the first battery 1 and the second battery 2 can be Charge.
  • the first power management module 1 and the second power management module 2 can effectively distribute the power of the first battery 1 and the second battery 2 to the movable platform 100 when the first battery 1 and the second battery 2 are used as power supplies, respectively, so that The first battery 1 and the second battery 2 power the movable platform 100 .
  • the first power management module 3 and the second power management module 4 can be an integrated circuit (IC, Integrated Circuit) for power management, or a charge and discharge management circuit designed by themselves, as long as they can be used for the first battery and the second battery. Part or all of the charge and discharge management functions of charging, charging and discharging the first battery and the second battery are sufficient.
  • IC integrated circuit
  • the first power management module 3 and the second power management module 4 may be charge and discharge management modules, and the charge and discharge management module may be implemented by a charge and discharge management chip.
  • Each power chip manufacturer has its own unique charge and discharge management chips, such as Texas Instruments, MPS, ADI and other chip manufacturers.
  • the charge and discharge management chip is usually programmable, communicates with the system main control chip, is controlled by the system, and implements the corresponding charging logic.
  • a very mature consumer electronic product a mobile phone, which contains a charge and discharge management integrated circuit (IC, Integrated Circuit), which can realize a variety of charging mode management, charging state management, and reverse charging functions.
  • Charge management chips usually have high integration, high precision, small package, and power path management functions, and are especially suitable for use in the field of consumer electronics.
  • the first battery 1 is charged by the first power management module 3, and the second battery 2 is charged by the second power management module 4, so that the first battery 1 and the second battery 2 can be better charged.
  • Flexible and convenient control and management especially when the specifications and models of the first battery 1 and the second battery 2 are very different, the use of two power management modules can be more flexible and convenient for the first battery 1 and the second battery respectively. 2 to control and manage.
  • the mobile platform is connected to charging adapters, chargers, etc. with different functions, and charging adapters, chargers, etc. with different functions have a fast charging function and a slow charging function.
  • a slow charging adapter generally refers to an adapter that can only output a voltage and current of 5V and 0.5A
  • a fast charging adapter generally refers to an adapter with a charging protocol (such as QC or PD protocol) that can achieve a voltage and current of 5V, 2A and above.
  • the charging protocol for fast charging of the first battery and the second battery includes, but is not limited to, QC fast charging, PD fast charging, etc. Any charging protocol implementation methods applied to the charging and discharging of the first battery and the second battery are included. .
  • the movable platform in the embodiment of the present application includes: a first battery and a second battery, which are used to supply power to the movable platform; a first power management module, which is used to control an external charging power source to charge the first battery; Two power management modules, used for controlling an external charging power source to charge the second battery. Since the first power management module and the second power management module of the movable platform in this embodiment can control the external charging power source to charge the first battery and the second battery respectively, in this way, the movable platform can pass through the two The power management module charges two batteries respectively. When one of the batteries is detachable, it is equivalent to an external battery. When one battery is not removable, it is equivalent to a built-in battery.
  • Both the built-in battery and the external battery can be charged through the movable platform. , can improve the product function integration, can get rid of the redundant external battery from a specially equipped electrical appliance or a charging housekeeper, and the charged external battery can provide support for the continuous operation of the mobile platform, and can adapt to the need for long battery life. , outdoor application scenarios that require continuous operation without power supply, do not need to carry additional power banks/large-capacity batteries, which can facilitate outdoor applications. Therefore, the movable platform in the embodiment of the present application can charge both the built-in battery and the external battery. Battery charging provides technical support for the continuous operation of the removable platform.
  • the first power management module 3 is connected to the second power management module 4, and the first power management module 3 can be connected to an external charging power source. In this way, the structure of the movable platform 100 can be made more compact.
  • the first power management module 3 and the second power management module 4 also need to manage and control the discharge of the first battery 1 and the second battery 2.
  • the first power management module 3 is also used for charging and discharging according to a preset control strategy.
  • the charging and discharging control strategy controls the external charging power source to charge the second battery 2 or controls the second battery 2 to supply power to the system load of the movable platform 100 .
  • One end of the first power management module 3 is connected to an external charging power source (including direct connection or indirect connection), one end is connected to the first battery 1 , and one end is connected to the second power management module 4 .
  • One end of the second power management module 4 is connected to the first power management module 3 , one end is connected to the second battery 2 , and one end is connected to the system load (including direct connection or indirect connection) of the movable platform 100 .
  • the preset charge-discharge control strategy may refer to the characteristics of the first battery and the second battery (for example, the capacity of the first battery and the second battery are different), the product characteristics of the mobile platform itself, the actual application scenario, the user Demand and other preset control strategies for charging and discharging the first battery and the second battery.
  • the preset charging and discharging control strategy involves the system control strategy of the mobile platform in the application of the whole electronic product.
  • the system software controller can be used to cooperate with the programmable control module and cooperate with the hardware system to realize the charging and discharging of the battery. control.
  • a system software controller such as a microcontroller (MCU, Micro Control Unit) or a system-on-chip (SOC, System on Chip) interconnected signal, realizes the logic control of charging and discharging through the control of the system software.
  • the first power management module 3 and the second power management module 4 are charge and discharge management modules, and the block diagram of the charge and discharge management module is shown in FIG. ), one end is the charging power supply terminal (used to connect the charging power supply), one end is the load terminal (used to connect to the system load), and one end is the system software controller.
  • the charging and discharging management module mainly realizes the charging power supply, the battery and the back-end load. power path management capabilities.
  • the preset charging and discharging control strategy is preliminarily divided into a shutdown charging strategy and a startup charging strategy according to two situations of shutdown and startup of the movable platform.
  • the power-off or power-on state of the movable platform 100 is detected.
  • the first power management module 3 and the second power management module 4 control the external charging power source to charge the first battery 1 and the second battery 2 according to a shutdown charging strategy.
  • the first power management module 3 and the second power management module 4 control the external charging power supply to the first battery 1 and all the power supply according to the power-on charging strategy.
  • the second battery 2 is charged.
  • the difference between power-off charging and power-on charging is that power-off charging does not need to consider system consumption, while power-on charging needs to consider power-on loss, and the power input from the external charging power source is preferentially allocated to meet system requirements.
  • the preset charging and discharging control strategy is divided into four situations according to the shutdown and startup conditions of the movable platform and whether it can perform fast charging: fast charging strategy for the first battery and the second battery in the shutdown state, fast charging strategy for the first battery and the second battery in the startup state A fast charging strategy for the first battery and the second battery, a slow charging strategy for the first battery and the second battery in an off state, and a slow charging strategy for the first battery and the second battery in an on state.
  • the first power management module 3 and the second power management module 4 control the pair of external charging power sources according to the fast charging strategy of the first battery and the second battery in a shutdown state
  • the first battery 1 and the second battery 2 are fast-charged, or the first power management module 3 and the second power management module 4 are fast-charged according to the power-on state of the first battery 1 and the second battery 2
  • the strategy controls the external charging power source to rapidly charge the first battery 1 and the second battery 2 .
  • the first power management module 3 and the second power management module 4 control the external The charging power supply charges the first battery 1 and the second battery 2, or the first power management module 3 and the second power management module 4 charge the first battery and the second battery slowly according to the power-on state.
  • the strategy controls the external charging power source to charge the first battery 1 and the second battery 2 .
  • the battery temperature needs to be detected before charging.
  • the first power management module 3 is connected to an external charging power supply
  • the battery temperature is detected, and when the battery temperature is within the rechargeable temperature range, the first power management module 3 and the second power management module 4.
  • the management module 4 controls the external charging power source not to charge the first battery 1 and the second battery 2 .
  • the first power management module 3 and the second power management module 4 control the external charging power supply to the first battery 1 and the second battery 2 according to the power of the first battery 1 and the second battery 2 .
  • a battery 1 and the second battery 2 are charged equally.
  • the first battery 1 is detachable, and when it is detected that the first battery 1 is pulled out, the second power management module 4 controls the external charging power source to charge the second battery 2 .
  • the battery with low power is charged first, and when the power of the first battery and the second battery are the same, balanced charging is performed. That is, the first power management module 3 controls the external charging power source to preferentially charge the first battery 1 with low power, or the second power management module 4 controls the external charging power to preferentially charge the second battery with low power 2 to charge; when the first battery 1 and the second battery 2 are charged to the same power level, the first power management module 3 and the second power management module 4 control the external charging power supply to The first battery 1 and the second battery 2 are charged equally.
  • the second power management module 4 controls the external charging power source to charge the second battery 2 preferentially.
  • the efficiency of charging the second battery 2 by the power adapter and the like is lower than that of charging the first battery 1 . Therefore, when the power adapter or the like can quickly charge the battery, the second battery 2 is preferentially charged.
  • the detection of the power-off state or the power-on state of the movable platform 100 can be specifically implemented in many ways.
  • an on-off control module is arranged in front of the system load.
  • the movable platform 100 can detect the off state or on state of the movable platform 100 through the on-off control module, and on the other hand. Aspects can also control the power supply to the system load through the switch control module. That is, the movable platform 100 further includes: a switch control module 5 , as shown in FIG. 4 .
  • the power-on/off control module 5 is used to detect whether the power-on button is pressed to determine whether the movable platform 100 is in a power-on state or a power-off state. When it is determined that the movable platform 100 is powered on, the first battery 1 and/or the second battery 2 can supply power to the system load, and when it is determined that the movable platform 100 is powered off, the first battery 1 and/or the second battery 1 and/or the second battery Battery 2 cannot power the system load.
  • the specific content of the preset charge and discharge control strategy may also include the following content:
  • the first battery 1 is detachable, and when it is detected that the first power management module 3 is not connected to an external charging power source, it is detected whether the first battery 1 is in place, and when it is detected that the first battery 1 is in place, the When a battery 1 is in place, the first power management module 3 controls the first battery 1 to supply power to the system load of the mobile platform according to the first battery in-place discharge strategy, and/or the second power management The module 4 controls the second battery 2 to supply power to the system load according to the in-place discharge strategy of the first battery; when it is detected that the first battery 1 is not in place, the second power management module 4 discharges according to the second battery The strategy controls the second battery 2 to supply power to the system load.
  • the first power management module 3 and the second power management module 4 control the first battery 1 and the second battery 2 to cooperate to supply power to the system load.
  • the first power management module 3 controls the first battery 1 to supply power to the system load until the first battery 1 and all When the power levels of the second battery 2 are the same, the first power management module 3 and the second power management module 4 control the first battery 1 and the second battery 2 to cooperate to supply power to the system load.
  • the first power management module 3 controls the first battery 1 to supply power to the system load, while the first power management module 3 and the second power management module 4 to control the first battery 1 to charge the second battery 2, when the power charged to the second battery 2 is equal to the power threshold, the first power management module 3 and all The second power management module 4 controls the first battery 1 to stop charging the second battery 2; when the power of the first battery 1 and the second battery 2 are the same, the first power management module 3 and the second power management module 4 to control the first battery 1 and the second battery 2 to supply power to the system load in coordination.
  • the first power management module 3 controls the The first battery 1 supplies power to the system load, while the first power management module 3 and the second power management module 4 control the first battery 1 to charge the second battery 2.
  • the first power management module 3 and the second power management module 4 control The first battery 1 and the second battery 2 cooperate to supply power to the system load.
  • the branch and the second battery 2 that supply power to the system load from the first battery 1 are separated, and two anti-backflow modules are added to the two branches, and the first battery 1 and the second battery 2 are controlled by the on and off of the two anti-backflow modules respectively.
  • the movable platform 100 further includes: a first anti-backflow module 6 and a second anti-backflow module 7 , as shown in FIG. 5 .
  • the first anti-backflow module 6 is arranged between the first power management module 3 and the switch control module 5.
  • the first anti-backflow module 6 When the voltage of the end of the first anti-backflow module 6 close to the first power management module 3 is greater than When the voltage is close to one end of the switch control module 5, the first anti-backflow module 6 is turned on so that the first battery 1 can supply power to the system load.
  • the first anti-backflow module 6 When the first anti-backflow module 6 is close to When the voltage of one end of the first power management module 3 is lower than the voltage of one end close to the switch control module 5 , the first anti-backflow module 6 is turned off.
  • the second anti-backflow module 7 is disposed between the second power management module 4 and the switch control module 5 .
  • the second anti-backflow module 7 When the voltage of the end of the second anti-backflow module 7 close to the second power management module 4 is greater than When the voltage is close to one end of the switch control module 5, the second anti-backflow module 7 is turned on so that the second battery 2 can supply power to the system load.
  • the second anti-backflow module 7 When the second anti-backflow module 7 is close to When the voltage of one end of the second power management module 4 is lower than the voltage of one end close to the switch control module 5 , the second anti-backflow module 7 is turned off.
  • the first anti-backflow module and the second anti-backflow module are both Or-ing devices or diodes.
  • the input of the first anti-backflow module 6 comes from the first power management module 3
  • the input of the second anti-backflow module 7 comes from the second power management module 4
  • the output of the first anti-backflow module 6 is connected to the output of the second anti-backflow module 7 , and is connected to the input end of the switch control module 5 .
  • the output power of the first anti-backflow module 6 and the output power of the second anti-backflow module 7 are provided to the system load at the back end only after the system is turned on.
  • the input of the switch control module 5 is connected to the output terminals of the first anti-backflow module 6 and the second anti-backflow module 7, and the output terminal of the switch control module 5 is connected to the system load.
  • the input end of the system load is connected to the output end of the switch control module 5 .
  • the anti-backflow module can isolate each input terminal to prevent mutual influence.
  • Commonly used anti-backflow modules include special anti-backflow circuits, diodes, Or-ing devices, or any module that can achieve the function of preventing backflow.
  • the diode has a unidirectional conduction characteristic, which can prevent backflow.
  • Or-ing devices are usually used to achieve high-efficiency anti-backflow functions, and the use of Or-ing devices can greatly improve the efficiency of the circuit.
  • the movable platform 100 in order to enable the movable platform 100 to not only charge and supply power to itself, but also reversely supply power to external loads, and to improve integration, the movable platform 100 further includes: an interface connector 8 and a The third anti-backflow module 9 is shown in FIG. 6 .
  • One end of the interface connector 8 is connected to an external power adapter 10 or an external load 11.
  • the first power management module 3 detects that the interface connector 8 is connected to an external charging power source through the external power adapter 10, The first power management module 3 controls the charging of the first battery 1 and/or the second power management module 4 controls the charging of the second battery 2.
  • the control itself disconnects the connection with the interface connector 8 .
  • the third anti-backflow module 9 is arranged between the interface connector 8 and the system load. When the voltage of the end of the third anti-backflow module 9 near the system load is greater than the voltage near the interface connector 8 , the third anti-backflow module 9 is turned on so that the first battery 1 and/or the second battery 2 can supply power to the external load 11, when the third anti-backflow module 9 is close to the system When the voltage at one end of the load is lower than the voltage near the interface connector 8 , the third anti-backflow module 9 is turned off.
  • the interface connector 8 includes interfaces of various protocols, including but not limited to USB interfaces, including USB Type-C interfaces, USB Type-A interfaces, USB micro-B interfaces or other various other interface connectors.
  • USB interfaces including USB Type-C interfaces, USB Type-A interfaces, USB micro-B interfaces or other various other interface connectors.
  • the interface includes VCC and GND pins, which can realize functions such as external power supply charging the movable platform 100 and external reverse power supply of the movable platform 100 .
  • the interface may also include communication pins related to the USB3.0 protocol to implement communication functions.
  • the interface connector 8 is connected to an external power adapter 10, and the external power adapter 10 outputs power of different specifications to the movable platform (depending on the capability of the external power adapter 10 itself, as well as the input voltage and current configuration and charging protocol of the first power management module 3). ); the external power adapter 10 can be any charging head, charging treasure, or other battery-type items that can stably output rated voltage and current.
  • the interface connector 8 can also be connected to an external load 11 . If the interface connector 8 is no longer connected to the external power adapter 10 and is instead connected to an external load 11 (such as a mobile phone, etc.), the external load 11 will trigger the OTG function of the interface, and the mobile platform 100 can output power externally. Generally, the default output voltage is 5V, but it can also be adjusted according to the actual application scenario.
  • the interface connector can be a USB-Type-C connector
  • the external load can be a load that complies with the USB specification. For example, low-power devices such as keyboards and mice will draw a current of up to 100mA from the interface, such as mobile phones and other high-power devices. The device will draw up to 500mA from the interface.
  • the output end of the third anti-backflow module 9 is connected to the input end of the interface connector 8 and the charging power end of the first power management module 3 .
  • the first power management module 3 is in the charging shutdown mode, and the charging power terminal of the first power management module 3 is turned off at this time.
  • the movable platform 100 in order to control the power supply to the external load 11 and limit the magnitude of the output current to the external load 11 , the movable platform 100 further includes: a current limiting switch control module 12 , as shown in FIG. 6 .
  • the current limiting switch control module 12 is arranged between the third anti-backflow module 9 and the system load, and is used to control the opening of its own switch to the external load 11 when it is detected that the interface connector 8 is connected to the external load 11 .
  • the load 11 outputs current and limits the magnitude of the output current.
  • the main functions of the current limiting switch control module 12 are: after the system enables OTG, turn on the current limiting switch, so that the movable platform 100 can output power externally; externally limit the rated output current, for example, limit the output current to 0.5 A or 1.5. According to different application scenarios, different specifications of current limiting switches can be selected. In this way, the application scenarios of the mobile platform can be extended.
  • the output terminal of the current-limiting switch control module 12 is connected to the third anti-backflow module 9 to prevent the external charging power supply from affecting the current-limiting switch control module 12 and the system load 1 in the application scenario where the system is charged by a normal external charging power supply.
  • the mobile platform 100 in the embodiment of the present application can meet the user's requirement for charging the first battery 1 and the second battery 2, and can realize the charging management of the first battery 1 and the second battery 2, and does not require an additional charging adapter or charging Butler, reduce redundant charging devices, improve the experience while maintaining the original to meet the user's needs for hot swapping of the detachable first battery 1, uninterrupted long battery life, and reverse power supply to external devices. .
  • the movable platform 100 of this embodiment can be a remote controller, especially the remote controller of agricultural-grade/industry-grade unmanned aerial vehicles and other applications in harsh outdoor operation scenarios. Theoretically, it can work 24*7 hours without interruption. Long battery life, fast charging and other functions.
  • the practical application of the embodiment of the present application will be described in detail below with reference to FIG. 6 , taking the design of different charging strategies according to the different capacities of the first battery and the second battery as an example.
  • the first battery may be a removable external battery
  • the second battery may be a non-removable built-in battery.
  • the capacity of a first battery is 5200mAh, 2s battery; a second battery is 2600mAh, 2s battery.
  • the mobile platform uses a design of one first battery and one second battery. In a practical application, the charging strategy of the internal and external batteries of the mobile platform is as follows:
  • the movable platform 100 consumes the power of the first battery 1 and the second battery 2 at the same time, and the internal and external batteries are switched and discharged together through the coordination of the anti-backflow module.
  • the second power management module 4 will control to stop consuming the power of the second battery 2, and reserve the power for 5 minutes (the 5 minutes set here is just a specific example, which can be adjusted according to the actual application) It is used when the system switches the first battery 1 .
  • the voltage is raised by the second power management module 4 to charge the second battery 2, and at this time, the second anti-backflow module 7 of the lower branch is in an off state.
  • the logic here is: if the newly inserted first battery 1 has sufficient power, the second battery 2 needs to be charged to ensure that the second battery 2 is in a state of 30%. This is based on extending the second battery 2 the principle of life. At this time, the storage state of the second battery 2 is good and can be stored for a long time. At the same time, 30% of the electricity is sufficient to reserve time for the system to replace the first battery 1 .
  • the first anti-backflow module 6 is turned on, the second anti-backflow module 7 is turned off, and the power of the first battery 1 is preferentially consumed. If it is detected that the power of the first battery 1 gradually decreases until it is consistent with the power of the second battery 2, the first anti-backflow module 6 and the second anti-backflow module 7 are coordinated to open according to the power of the internal and external batteries, and the internal and external batteries are used at the same time. consumption.
  • the internal and external batteries consume less than 30% of the power at the same time: after the first battery 1 is pulled out, the newly inserted first battery 1 is not in a sufficient state of charge. At this time, based on the increase in the internal battery life in (2) In principle, if the power of the first battery 1 is higher than 30%, the first battery 1 will still charge the second battery 2 until the second battery 2 reaches 30%, so as to ensure the use of the first battery 1 when switching. If the power of the first battery 1 is also less than 30% during the charging of the second battery 2, according to the hardware design of the mobile platform 100, the internal and external batteries will consume the most power until the power is equal.
  • the efficiency of charging the second battery 2 by the adapter 10 is lower than that of charging the first battery 1 . Therefore, the principle is to try to charge the second battery 2 when the adapter 10 is rapidly charged. When the adapter 10 is not connected, it is only necessary to ensure that the power of the second battery 2 meets the 30% requirement for hot-swap replacement and long-term storage.
  • the adapter 10 used for the internal and external batteries is not a fast charging adapter, fast charging cannot be performed.
  • the slow charging adapter preferentially meets the requirements of the system, and the charging balance is achieved through the first power management module 3 and the second power management module 4 .
  • the movable platform of the embodiment of the present application has the following advantages:
  • the detachable first battery supports hot swapping.
  • the second anti-backflow module will be turned on immediately when the first battery is pulled out.
  • the second battery will immediately output power to the system load, and the system will continuously Electricity.
  • it can be determined whether to supply power from the second battery or the first battery according to the current power of the internal and external batteries and the system charge and discharge management strategy.
  • the second battery can continue to supply power to the system to achieve permanent standby.
  • the battery can last forever and never stop. It can be applied to extreme scenarios of continuous outdoor operation, providing a system solution with long battery life.
  • the solution of this embodiment can realize the charging of the second battery or the first battery according to the charging strategy of the system itself when the adapter is used for fast charging.
  • the movable platform itself is a charging housekeeper, and this solution can realize the fast charging function of the first battery inside the body of the movable platform.
  • the solution of this embodiment has the function of outputting voltage to the outside, regardless of whether the first battery is in place, the power required by the external device can be output through the interface connector (eg, the USB interface).
  • the interface connector eg, the USB interface
  • the embodiment of the present application can implement the strategy of optimal use and optimal storage of the first internal battery.
  • the present application also provides a charging and discharging method for a movable platform, the method is applicable to the movable platform described in any one of the above-mentioned preset charging and discharging control strategies. I won't go into details here.
  • the method includes: the first power management module controls an external charging power source to charge the first battery or controls the first battery to supply power to a system load of the movable platform according to a preset charge and discharge control strategy; and /or, the second power management module controls an external charging power source to charge the second battery or controls the second battery to supply power to a system load of the movable platform according to a preset charge and discharge control strategy.
  • the first power management module when it is detected that the first power management module is connected to an external charging power source, the shutdown or startup state of the movable platform is detected, and when the movable platform is in the shutdown state, the first power management module and The second power management module controls the external charging power source to charge the first battery and the second battery according to a shutdown charging strategy.
  • the first power management module and the second power management module control the external charging power supply to the first battery and the second battery according to a power-on charging strategy to charge.
  • the first power management module and the second power management module control the pair of the external charging power source according to the fast charging strategy of the first battery and the second battery in a shutdown state.
  • the first battery and the second battery are rapidly charged, or the first power management module and the second power management module control the external charging according to the fast charging strategy of the first battery and the second battery in the power-on state
  • a power source rapidly charges the first battery and the second battery.
  • the first power management module and the second power management module control the external charging power source according to the slow charging strategy of the first battery and the second battery in a shutdown state
  • the first battery and the second battery are charged, or the first power management module and the second power management module control the external charging according to the slow charging strategy of the first battery and the second battery in the power-on state
  • a power source charges the first battery and the second battery.
  • the first power management module and the second power management module Control the external charging power source to charge the first battery and the second battery; when the battery temperature is not within the chargeable temperature range, the first power management module and the second power management module control the The external charging power source does not charge the first battery and the second battery.
  • the first power management module and the second power management module control the external charging power supply to the first battery and the second battery according to the power of the second battery and the first battery Perform equalization charging.
  • the first battery is detachable, and when it is detected that the first battery is pulled out, the second power management module controls the external charging power source to charge the second battery.
  • the first power management module controls the external charging power source to preferentially charge the first battery with low power, or the second power management module controls the external charging power to preferentially charge the second battery with low power ;
  • the first power management module and the second power management module control the external charging power supply to the first battery and the second battery.
  • the second battery is charged.
  • the second power management module controls the external charging power source to charge the second battery preferentially.
  • the movable platform further includes: a power-on/off control module, the power-on/off control module detects whether its own power-on button is pressed to determine whether the movable platform is in a power-on state or a power-off state.
  • the first battery is detachable, and when it is detected that the first power management module is not connected to an external charging power supply, it is detected whether the first battery is in place, and when it is detected that the first battery is in place, the The first power management module controls the first battery to supply power to the system load according to the first battery on-site discharge strategy, and/or the second power management module controls the second battery according to the first battery on-site discharge strategy
  • the battery supplies power to the system load; when it is detected that the first battery is not in place, the second power management module controls the second battery to supply power to the system load according to a second battery discharge strategy.
  • the power management module and the second power management module control the first battery and the second battery to supply power to the system load in coordination.
  • the first power management module controls the first battery to supply power to the system load until the first power supply is consistent with the power of the first battery and the second battery
  • the management module and the second power management module control the first battery and the second battery to supply power to the system load in coordination.
  • the first power management module controls the first battery to supply power to the system load, while the first power management module and the second power management module control the first power management module.
  • the battery is charged to the second battery, and when the power charged to the second battery is equal to a power threshold, the first power management module and the second power management module control the first battery to stop charging the second battery battery charging; when the power of the first battery and the second battery are the same, the first power management module and the second power management module control the first battery and the second battery to coordinately charge the battery System load power supply.
  • the first power management module controls the first battery to load the system power supply, while the first power management module and the second power management module control the first battery to charge the second battery, when the power of the second battery has not reached the power threshold during the charging process, so When the power levels of the first battery and the second battery reach the same level, the first power management module and the second power management module control the first battery and the second battery to cooperate to supply power to the system load .
  • the movable platform further includes: an interface connector, a third anti-backflow module and a current limiting switch control module, one end of the interface connector is connected to an external power adapter or an external load, and the third anti-backflow module is provided with Between the interface connector and the system load, the current limiting switch control module is arranged between the third anti-backflow module and the system load; when the first power management module detects the When the interface connector is connected to an external charging power source through the external power adapter, the first power management module controls the charging of the first battery and/or the second power management module controls the charging of the second battery.
  • the first power management module When the first power management module detects that the interface connector is connected to an external load, it controls itself to disconnect from the interface connector; the current limiting switch control module detects that the interface connector is connected to a When there is an external load, the control turns on its own switch to output current to the external load, and limits the size of the output current.
  • the present application also provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the processor enables the processor to implement the above-mentioned mobile platform. charging and discharging method.
  • the relevant content please refer to the above-mentioned relevant content section, which will not be repeated here.
  • the computer-readable storage medium may be an internal storage unit of the first power management module and the second power management module, such as a hard disk or a memory.
  • the computer-readable storage medium may also be an external storage device, such as an equipped plug-in hard disk, smart memory card, secure digital card, flash memory card, and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

Plateforme mobile, son procédé de commande, et support de stockage. La plateforme mobile (100) comprend : une première batterie (1) et une seconde batterie (2) utilisées pour fournir de l'énergie à la plateforme mobile (100) ; un premier module de gestion de puissance (3) utilisé pour commander une alimentation électrique de charge externe afin de charger la première batterie (1) ; et un second module de gestion de puissance (4) utilisé pour commander l'alimentation électrique de charge externe afin de charger la seconde batterie (2).
PCT/CN2020/137403 2020-12-17 2020-12-17 Plateforme mobile, son procédé de charge et de décharge, et support de stockage WO2022126560A1 (fr)

Priority Applications (2)

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PCT/CN2020/137403 WO2022126560A1 (fr) 2020-12-17 2020-12-17 Plateforme mobile, son procédé de charge et de décharge, et support de stockage
CN202080079885.2A CN114788119A (zh) 2020-12-17 2020-12-17 可移动平台、可移动平台的充放电方法及存储介质

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PCT/CN2020/137403 WO2022126560A1 (fr) 2020-12-17 2020-12-17 Plateforme mobile, son procédé de charge et de décharge, et support de stockage

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