WO2017128316A1 - Dispositif de charge et de décharge, système de gestion et système d'alimentation électrique électrique d'aéronef sans pilote - Google Patents

Dispositif de charge et de décharge, système de gestion et système d'alimentation électrique électrique d'aéronef sans pilote Download PDF

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Publication number
WO2017128316A1
WO2017128316A1 PCT/CN2016/072874 CN2016072874W WO2017128316A1 WO 2017128316 A1 WO2017128316 A1 WO 2017128316A1 CN 2016072874 W CN2016072874 W CN 2016072874W WO 2017128316 A1 WO2017128316 A1 WO 2017128316A1
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WO
WIPO (PCT)
Prior art keywords
battery
charging
unit
energy storage
storage unit
Prior art date
Application number
PCT/CN2016/072874
Other languages
English (en)
Chinese (zh)
Inventor
王雷
王文韬
许柏皋
郑大阳
刘元财
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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 CN201680004088.1A priority Critical patent/CN107004915B/zh
Priority to PCT/CN2016/072874 priority patent/WO2017128316A1/fr
Publication of WO2017128316A1 publication Critical patent/WO2017128316A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to the field of battery charging technology, and in particular, to a charging and discharging device, a management system, and an unmanned aerial vehicle power supply system.
  • unmanned aerial vehicles use batteries to provide a source of energy to ensure that the UAV is functioning properly.
  • the UAV is used outdoors, since there is no AC power supply, the charging of the battery is very inconvenient, so it is usually necessary to prepare a plurality of batteries or use the car charger to charge outdoors.
  • the method of using the outdoor car charger is relatively limited, and the charging process is long and the number of charging is limited due to the limitation of the car charging power and the car battery power.
  • the battery of the aircraft is usually a high-capacity battery, and its optimal storage capacity is half full, and a complete charge and discharge is required over a period of time to maintain the battery activity.
  • the discharge of the battery is mainly realized by using an electric appliance, such as an aircraft, a load, etc., and the convenience is poor, and manual operation is required, and lack of controllability and intelligence.
  • a charging and discharging device comprising:
  • the at least one first power output terminal is electrically connected to the energy storage unit and is electrically connectable to the battery to be charged, so that the energy storage unit passes the at least one a power output to charge the corresponding battery;
  • control unit electrically connected to the energy storage unit
  • the control unit is capable of selectively controlling the energy storage unit to charge the battery or electrically connected to an external power source to charge the energy storage unit with the external power source.
  • An unmanned aerial vehicle power supply system comprising:
  • An unmanned aerial vehicle having at least one battery built therein;
  • a charge and discharge device comprising:
  • At least one first power output terminal the at least one first power output terminal is electrically connected to the energy storage unit, and is electrically connectable to a corresponding battery, so that the energy storage unit passes the at least one first The power output charges the corresponding battery;
  • control unit electrically connected to the energy storage unit
  • the control unit is capable of selectively controlling the energy storage unit to charge the battery or electrically connected to an external power source to charge the energy storage unit with the external power source.
  • a charging and discharging device comprising:
  • An energy storage unit the energy storage unit being electrically connectable to an external power source to charge the energy storage unit;
  • the at least one first power output terminal is electrically connectable to the battery to be charged
  • At least one discharge unit the at least one discharge unit being electrically connected to the first power output;
  • control unit electrically connected to the energy storage unit and the discharge unit
  • control unit is capable of selectively controlling the energy storage unit to charge the battery through a corresponding first power output, or controlling the discharge unit to discharge the battery through a corresponding first power output .
  • An unmanned aerial vehicle power supply system comprising:
  • An unmanned aerial vehicle having at least one battery built therein;
  • a charge and discharge device comprising:
  • An energy storage unit the energy storage unit being electrically connectable to an external power source to charge the energy storage unit;
  • the at least one first power output terminal is electrically connectable to the corresponding battery
  • At least one discharge unit the at least one discharge unit being electrically connected to the first power output;
  • control unit electrically connected to the energy storage unit and the discharge unit
  • control unit is capable of selectively controlling the energy storage unit to charge the battery through a corresponding first power output, or controlling the discharge unit to discharge the battery through a corresponding first power output .
  • An unmanned aerial vehicle power supply system comprising:
  • the charge and discharge management system includes one or more processors, and the charge and discharge management system has a built-in energy storage unit, and the one or more processors are used to:
  • the charging and discharging device, the system and the energy storage unit in the unmanned aerial vehicle power supply system of the present invention are high-capacity lithium ion batteries, so that simultaneous charging of a plurality of batteries can be realized, and fast charging can be realized.
  • the charging and discharging device can also be electrically connected to an external power source, that is, a charging mode that supports the AC power source, thereby greatly satisfying the demand for outdoor fast charging and multiple charging.
  • FIG. 1 is a functional block diagram of a power supply system according to an embodiment of the present invention.
  • Power supply system 400 Charge and discharge device 100 Power Adapter 11 First DC-DC conversion unit 12 Energy storage unit 13 control unit 14 Fuel gauge 141 processor 143 First power output 15 Signal interface 16 Charging unit 17 Charging management chip 171 Switch unit 173 Discharge unit 18 Discharge circuit 181 Discharge switch 183 Display unit 19 Second DC/DC conversion unit 20 Second power output twenty one battery 300
  • an element when referred to as being “electrically connected” to another element, it can be directly on the other element or the element can be present.
  • an element when it is considered to be “electrically connected” to another element, it can be a contact connection, for example, either a wire connection or a non-contact connection, for example, a non-contact coupling.
  • a preferred embodiment of the present invention provides a power supply system 400 that can be applied to an unmanned aerial vehicle.
  • the power supply system 400 includes a charge and discharge device 100 and a battery 300.
  • the battery 300 is mounted on the unmanned aerial vehicle to provide power for the unmanned aerial vehicle.
  • the charging and discharging device 100 is electrically connected to the battery 300 for charging and discharging the battery 300.
  • the charge and discharge device 100 can be a battery charging box.
  • the charge and discharge device 100 includes a power adapter 11, a first direct current-direct current (DC-DC) conversion unit 12, an energy storage unit 13, a control unit 14, a first power output terminal 15, a signal interface 16, and a charging unit 17.
  • DC-DC direct current-direct current
  • the power adapter 11 is electrically connected to an external power source (not shown) and outputs a corresponding first DC power.
  • the first DC-DC conversion unit 12 is electrically connected to the power adapter 12 and the energy storage unit 13 for processing the first direct current to be converted into the charging required by the energy storage unit 13
  • the signal charges the energy storage unit 13.
  • the charging signal required by the energy storage unit 13 may include at least one of the following: a charging voltage magnitude and a charging current magnitude.
  • the energy storage unit 13 is a lithium ion battery that is electrically connected to the control unit 14.
  • the control unit 14 includes a fuel gauge 141 and a processor 143.
  • the fuel gauge 141 is electrically connected to the energy storage unit 13 for detecting the power of the energy storage unit 13 .
  • the processor 143 is electrically connected to the fuel gauge 141, and is electrically connected to the corresponding battery 300 through the first power output terminal 15 for acquiring the power information detected by the fuel gauge 141, and according to the acquired
  • the power information selectively controls the energy storage unit 13 to charge or electrically connect the battery 300 to the external power source.
  • the signal interface 16 is electrically connected to the processor 143 and the corresponding battery 300 for establishing an electrical connection between the processor 143 and the battery 300, so that the processor 143 can pass the signal interface 16 and the
  • the battery 300 communicates, and further acquires charging information of the battery 300, and protects the battery 300 according to the charging information and the power information of the energy storage unit 13, for example, charging and discharging the battery 300. Short circuit and abnormal temperature protection.
  • the charging information of the battery 300 may include at least one of the following: design information of the battery 300, status information of the battery 300.
  • the charging information of the battery 300 includes at least the number of battery design groups, the battery design capacity, the battery design voltage, the maximum allowable charging current and the current capacity of the battery, the current battery temperature of the battery, and the like.
  • the charging unit 17 is electrically connected to the processor 143 and electrically connected to the corresponding battery 300 through a corresponding first power output 15 .
  • the charging unit 17 includes a charging management chip 171 and a switching unit 173.
  • the switch unit 173 is electrically connected to the processor 143 through a corresponding charge management chip 171, respectively, and is electrically connected to the corresponding battery 300 through the first power output terminal 15.
  • the processor 143 can turn on the different charging modes of the battery 300 by controlling the turning on or off of the switching unit 173.
  • the processor 143 can control the switch unit 173 to be turned on at the same time to activate the first charging mode, thereby controlling simultaneous charging of the battery 300; and the processor 143 can control the switching unit 173 to sequentially Turning on to activate the second charging mode, thereby controlling the battery 300 to be charged in turn.
  • the charging management chip 173 is configured to perform pre-charging, constant current, constant voltage or trickle charging on the corresponding battery according to the charging information of the battery 300 under the control of the processor 143.
  • the charge and discharge device 100 further includes a discharge unit 18.
  • the discharge unit 18 is electrically connected to the processor 143 and electrically connected to the battery 300 through a corresponding first power output terminal 15 for passing the first power source under the control of the processor 143.
  • the output terminal 15 discharges the battery 300.
  • the discharge unit 18 includes a discharge circuit 181 and a discharge switch 183.
  • the discharge circuit 181 is electrically connected to the processor 143.
  • the discharge switch 183 is electrically connected to the discharge circuit 181 and is electrically connected to the corresponding battery 300 through the first power output terminal 15.
  • the processor 143 is further configured to activate the corresponding discharge circuit 181 by controlling the conduction or disconnection of the discharge switch 183 to discharge the corresponding battery 300.
  • the charge and discharge device 100 further includes a display unit 19.
  • the display unit 19 is electrically connected to the processor 143 for displaying the power information of the energy storage unit 13 and the charging information of the battery 300. It can be understood that the display unit 19 can be a display device such as a display screen or an LED.
  • the charge and discharge device 100 further includes a second DC-DC conversion unit 20 and a second power output 21 .
  • the second DC-DC conversion unit 20 is electrically connected to the energy storage unit 13 through the control unit 14.
  • the second power output terminal 21 can be a USB interface or other type of interface for electrically connecting to the second DC-DC conversion unit 20 and a corresponding powered device (not shown), such as a mobile phone, a computer, etc. .
  • the second DC-DC conversion unit 20 is configured to process the first DC power output by the energy storage unit 13 to be converted into a charging signal required by the power device, and then pass through the second power output terminal. 21 charging the powered device.
  • the charging and discharging device 100 further includes at least one battery compartment (not shown) for accommodating the corresponding battery 300 respectively.
  • the charge and discharge device 100 further includes a temperature sensor for sensing an ambient temperature of the battery compartment, and a heat conversion element for heating or/and cooling the battery compartment.
  • the control unit 14 is electrically connected to the temperature sensor and the heat conversion element.
  • the control unit 14 is further configured to control the heat conversion element to heat or cool the battery 300 in the battery compartment according to the temperature sensed by the temperature sensor.
  • control unit 14 can acquire the power of the battery 300 in real time, and when the battery 300 is lower than the preset power, the control unit 14 controls the energy storage unit 13 to the battery 300. Charging is performed to maintain the battery 300 in a stored state.
  • control unit 14 can also control the discharge unit 18 to discharge the battery 300 to a preset amount of electricity, such as 5%, to cause the battery 300 to be in a storage state.
  • the charge and discharge device 100 is not limited to charging and discharging the battery 300 in the UAV, and it can also be applied to any other device having a battery, such as a vehicle, a boat, or the like.
  • the charge and discharge device 100 When the charge and discharge device 100 is used indoors, the charge and discharge device 100 can be electrically connected to an external power source through the power adapter 11. As such, the power adapter 11 can process the power of the external power source to output a corresponding first direct current to charge the energy storage unit 13.
  • the processor 143 is electrically connected to the corresponding battery 300 through the signal interface 16, and the charging information of the battery 300 can be acquired through the signal interface 16 and combined with the storage acquired by the fuel gauge 141.
  • the processor 143 can initiate protection of the battery 300 by charging the battery 300, for example, by the charging unit 17, and discharging the battery 300 through the discharge unit 18.
  • the processor 143 can control the switch unit 173 to be turned on at the same time to activate the first charging mode, thereby controlling simultaneous charging of the battery 300; and the processor 143 can control the switching unit 173 to sequentially Turning on to activate the second charging mode, thereby controlling the battery 300 to be charged in turn.
  • the powered device can be directly connected to the second power output terminal 21.
  • the second DC-DC converting unit 20 may further process the first direct current output by the energy storage unit 13 to convert into a charging signal required by the powered device, and further pass the second power source.
  • the output terminal 21 charges the powered device.
  • the charging and discharging device 100 is used outdoors, it is not necessary to electrically connect to the corresponding external power source by using the power adapter 11, and the battery 300 can be directly charged and discharged by using the power of the energy storage unit 13. .
  • the above charging and discharging device 100 has at least the following advantages:
  • the energy storage unit 13 in the above-described charging and discharging device 100 is a high-capacity lithium ion battery, so that the charging and discharging device 100 can simultaneously charge a plurality of batteries 300 without being electrically connected to an external power source, and can be realized. Fast charge.
  • the charging and discharging device 100 can be electrically connected to the external power source through the power adapter 11 , that is, the charging mode of the AC power source is supported, thereby greatly satisfying the requirement of outdoor fast charging and multiple charging.
  • the charging and discharging device 100 is provided with a signal interface 16, so that the processor 143 can communicate with each battery 300 through the signal interface 16, thereby obtaining the charging information of the battery 300 in real time, so as to be effective for the battery 300. protection.
  • the control unit 14 can acquire the power information of the battery 300 in real time, and can automatically discharge or charge the battery 300 to a preset power, thereby performing charge and discharge maintenance on the battery 300.
  • control unit 14 may also control the discharge unit 18 to individually discharge the battery 300 to a preset power amount, for example, 5%, so that the battery 300 is in storage. State, and once it is detected that the battery 300 has any abnormality, the power supply can be cut off directly.
  • the above-described charging and discharging device 100 is convenient for other electric devices by using a high-capacity lithium ion battery as the energy storage unit 13 and by providing the second DC/DC conversion unit 20 and the second power output terminal 21. Power is supplied.
  • the above-described charging and discharging device 100 further includes the display unit 19, so that the charging information of the battery 300 and the power amount information of the energy storage unit 13 can be conveniently displayed in real time.

Abstract

Un dispositif de charge et de décharge (100), comprenant : une unité de stockage d'énergie (13); au moins une première extrémité de sortie d'alimentation électrique (15), qui est électriquement connectée à l'unité de stockage d'énergie (13) et peut être connectée électriquement à une batterie (300) à charger, afin de permettre à l'unité de stockage d'énergie (13) de charger la batterie correspondante (300) au moyen de ladite ou desdites premières extrémités de sortie d'alimentation électrique (15); et une unité de commande (14) électriquement connectée à l'unité de stockage d'énergie (13), l'unité de commande (14) pouvant commander l'unité de stockage d'énergie (13) pour charger éventuellement la batterie (300) ou être connectée électriquement à une alimentation électrique externe pour charger l'unité de stockage électrique (13) au moyen de l'alimentation électrique externe. Le dispositif de charge et de décharge (100) peut être utilisé dans un système d'alimentation électrique d'aéronef sans pilote (400).
PCT/CN2016/072874 2016-01-29 2016-01-29 Dispositif de charge et de décharge, système de gestion et système d'alimentation électrique électrique d'aéronef sans pilote WO2017128316A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680004088.1A CN107004915B (zh) 2016-01-29 2016-01-29 充放电装置、管理系统以及无人飞行器供电系统
PCT/CN2016/072874 WO2017128316A1 (fr) 2016-01-29 2016-01-29 Dispositif de charge et de décharge, système de gestion et système d'alimentation électrique électrique d'aéronef sans pilote

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Application Number Priority Date Filing Date Title
PCT/CN2016/072874 WO2017128316A1 (fr) 2016-01-29 2016-01-29 Dispositif de charge et de décharge, système de gestion et système d'alimentation électrique électrique d'aéronef sans pilote

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WO2017128316A1 true WO2017128316A1 (fr) 2017-08-03

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CN107733014A (zh) * 2017-10-18 2018-02-23 深圳零智创新科技有限公司 一种电池充放电管理模块
CN110785909A (zh) * 2018-08-01 2020-02-11 深圳市大疆创新科技有限公司 智能电池的控制方法、智能电池及无人机
CN109080841A (zh) * 2018-08-14 2018-12-25 深圳市烽焌信息科技有限公司 一种无人机续航基站
CN108910069A (zh) * 2018-08-14 2018-11-30 深圳市烽焌信息科技有限公司 一种无人机续航基站的电池配置方法
CN110912227A (zh) * 2019-11-29 2020-03-24 惠州Tcl移动通信有限公司 一种充放电结构及充电方法
CN112133972B (zh) * 2020-09-22 2022-04-22 广州亿航智能技术有限公司 一种电池管理系统及方法、飞行器
CN117099241A (zh) * 2021-06-25 2023-11-21 深圳市大疆创新科技有限公司 无人机电池管理装置及控制方法
WO2023245564A1 (fr) * 2022-06-23 2023-12-28 深圳市大疆创新科技有限公司 Procédé de charge, appareil de charge, système de dispositif électronique et support de stockage

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