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1. WO2022027264 - DRIVE CIRCUIT FOR CHANNEL SWITCH, CHARGING CONTROL METHOD AND CHARGER

Publication Number WO/2022/027264
Publication Date 10.02.2022
International Application No. PCT/CN2020/106943
International Filing Date 05.08.2020
IPC
H02M 3/00 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
CPC
H02J 7/0068
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
0068Battery or charger load switching, e.g. concurrent charging and load supply
H02J 7/00714
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
007Regulation of charging or discharging current or voltage
00712the cycle being controlled or terminated in response to electric parameters
00714in response to battery charging or discharging current
H02J 7/007182
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
007Regulation of charging or discharging current or voltage
00712the cycle being controlled or terminated in response to electric parameters
007182in response to battery voltage
H02M 1/092
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
1Details of apparatus for conversion
08Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
088for the simultaneous control of series or parallel connected semiconductor devices
092the control signals being transmitted optically
H02M 3/07
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
02without intermediate conversion into ac
04by static converters
06using resistors or capacitors, e.g. potential divider
07using capacitors charged and discharged alternately by semiconductor devices with control electrode ; , e.g. charge pumps
H02M 3/3376
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
3Conversion of dc power input into dc power output
22with intermediate conversion into ac
24by static converters
28using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
325using devices of a triode or a transistor type requiring continuous application of a control signal
335using semiconductor devices only
337in push-pull configuration
3376with automatic control of output voltage or current
Applicants
  • 深圳市大疆创新科技有限公司 SZ DJI TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 金军骞 JIN, Junqian
  • 林宋荣 LIN, Songrong
  • 李鹏 LI, Peng
Agents
  • 深圳市力道知识产权代理事务所(普通合伙) SHENZHEN LIDAO INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP)
Priority Data
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) DRIVE CIRCUIT FOR CHANNEL SWITCH, CHARGING CONTROL METHOD AND CHARGER
(FR) CIRCUIT D'ATTAQUE POUR COMMUTATEUR DE CANAL, PROCÉDÉ DE COMMANDE DE CHARGE ET CHARGEUR
(ZH) 通道开关的驱动电路、充电控制方法及充电器
Abstract
(EN) A drive circuit for a channel switch, a charging control method and a charger. The drive circuit (20) comprises: an isolation circuit (21), an adjustment circuit (22) and a push-pull circuit (23); the isolation circuit (21) is configured to receive a control signal, the control signal comprising a switch turn-on signal or a switch turn-off signal, the adjustment circuit (22) is configured to adjust response time of a channel switch (10), and the push-pull circuit (23) is connected to the isolation circuit (21) by means of the adjustment circuit (22), and is further connected to the channel switch (10); and the push-pull circuit (23) is configured to convert a preset power supply voltage into a drive signal according to the control signal, so as to drive the channel switch (10) to be turned on or turned off according to the response time.
(FR) Circuit d'attaque pour un commutateur de canal, procédé de commande de charge et chargeur. Le circuit d'attaque (20) comprend : un circuit d'isolation (21), un circuit de réglage (22) et un circuit push-pull (23) ; le circuit d'isolation (21) est conçu pour recevoir un signal de commande, le signal de commande comprenant un signal d'activtion de commutateur ou un signal de désactivation de commutateur, le circuit de réglage (22) est conçu pour régler un temps de réponse d'un commutateur de canal (10), et le circuit push-pull (23) est connecté au circuit d'isolation (21) à l'aide du circuit de réglage (22), et est en outre connecté au commutateur de canal (10) ; et le circuit push-pull (23) est conçu pour convertir une tension d'alimentation électrique prédéfinie en un signal d'attaque en fonction du signal de commande, de manière à entraîner l'activation ou la désactivation du commutateur de canal (10) en fonction du temps de réponse.
(ZH) 一种通道开关的驱动电路、充电控制方法及充电器,该驱动电路(20)包括:隔离电路(21)、调节电路(22)和推挽电路(23),隔离电路(21)用于接收控制信号,所述控制信号包括开关导通信号或开关关闭信号;调节电路(22)用于调节通道开关(10)的响应时间;推挽电路(23)通过调节电路(22)与隔离电路(21)连接,并且还与通道开关(10)连接;其中,推挽电路(23)用于根据所述控制信号将预设电源电压转换成驱动信号,以驱动通道开关(10)按照所述响应时间导通或关闭。
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