WO2019154396A1 - 助力车及其电源管理系统及管理方法 - Google Patents
助力车及其电源管理系统及管理方法 Download PDFInfo
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- WO2019154396A1 WO2019154396A1 PCT/CN2019/074714 CN2019074714W WO2019154396A1 WO 2019154396 A1 WO2019154396 A1 WO 2019154396A1 CN 2019074714 W CN2019074714 W CN 2019074714W WO 2019154396 A1 WO2019154396 A1 WO 2019154396A1
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- battery
- bicycle
- power
- mcu
- vehicle
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- 238000007726 management method Methods 0.000 title claims abstract description 40
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B60L8/003—Converting light into electric energy, e.g. by using photo-voltaic systems
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Definitions
- the invention relates to a booster car and a power management system thereof and a management method thereof.
- the moped Due to the energy saving and labor saving, the moped has achieved rapid development and the arrival of the sharing economy has made the development of the moped more rapid.
- the endurance is limited. In the case of power failure, the user experience is not good.
- the battery is heavy, the user is not convenient to take it home, and there is a greater risk of charging outside (electric safety and anti-theft) .
- the technical solution for achieving the object of the present invention is to first provide a power management system for a bicycle, including a motor controller, a driving circuit, a battery, an MCU, and a charging power supply component;
- the motor controller is configured to drive a motor disposed on the bicycle;
- the driving circuit is used to drive a motor controller
- the battery is used to supply power to the driving circuit and the MCU, including a vehicle battery and a mobile battery;
- the MCU is configured to determine, according to voltage sampling of the vehicle battery and the mobile battery, that the vehicle battery/mobile battery is used to supply power to the driving circuit;
- the charging power component is configured to charge a vehicle battery, and when the power in the vehicle battery is less than or equal to a preset threshold, the MCU controls the mobile battery to supply power to the bicycle.
- the bicycle power management system further includes a two-stage step-down circuit, and the first-stage step-down circuit of the two-stage step-down circuit is used for stepping down the output voltage of the vehicle battery and the mobile battery to the driving circuit, and the second step-down circuit is used for The output voltage of the primary step-down circuit is stepped down to the MCU.
- the charging power supply assembly includes a solar panel and a charging module.
- the driving circuit is two relays, and the two relays are respectively controlled by the signal of the MCU, and are powered by the vehicle battery/mobile battery, and the motor controller is controlled to drive the motor of the moped.
- a drive amplifying circuit is respectively disposed between the two relays of the driving circuit and the MCU.
- the vehicle battery includes a solar panel and a battery
- the solar panel is laid on at least one side and a bottom surface of the bicycle basket of the bicycle;
- the battery is disposed below the bottom surface and opposite to the solar panel;
- the solar panel is electrically connected to the battery, and the received solar radiation energy is converted into electrical energy and stored in the battery.
- a bicycle comprising a motor, a smart lock, a vehicle body and a power management system of the aforementioned bicycle, the power management system of the bicycle powers a motor; the MCU of the power management system of the bicycle communicates with a smart lock, and is activated according to a signal of the smart lock Power output.
- the condition that the solar panel charges the vehicle battery is: the solar panel has electricity, and the output voltage of the solar panel via the charging module is higher than the output voltage of the vehicle battery.
- the MCU periodically scans the unlocking command of the smart lock of the bicycle, and if the unlocking command is scanned, the power of the power management system of the bicycle is turned on to the motor of the moped; the MCU periodically scans the unlocking command of the smart lock of the bicycle for the power required by the vehicle. Battery supplied.
- the MCU continuously samples the vehicle battery and the mobile battery to obtain two real-time voltage values; if the vehicle battery voltage sampling value is lower than the vehicle battery protection value, the vehicle is turned off and the vehicle is turned off.
- the relay of the battery connected drive circuit if the mobile battery voltage sample value is not lower than the mobile battery protection value, the mobile battery full power output.
- the present invention provides a vehicle battery, a mobile battery and a solar panel for a bicycle, and since the vehicle battery and the mobile battery can supply power, the mobile battery can be changed in volume and weight. Small, lighter, and solar panels continue to charge the car battery, it also enhances the endurance.
- the present invention performs power optimization management, preferentially uses the mobile battery, and the vehicle battery provides the scanning vehicle lock to obtain the unlocking command power, the division of labor is clear, and the management has a reasonable endurance capacity. Enhanced.
- the present invention sets protection values for the vehicle battery and the mobile battery, making the management method more scientific and reasonable, and prolonging the service life of the battery.
- Figure 1 is a schematic block diagram of the present invention.
- a moped of the embodiment includes a motor, a smart lock, a body and a power management system for the moped, and the power management system of the moped powers the motor; the MCU of the power management system of the moped communicates with the smart lock, and the power output is turned on according to the signal of the smart lock.
- the smart lock uses a Bluetooth lock for Bluetooth communication.
- the power management system for the bicycle of the present embodiment includes a motor controller, a driving circuit, a battery, an MCU, a charging power supply component, and a two-stage step-down circuit.
- the charging power source assembly includes a solar panel and a charging module, and other charging power sources, such as wind energy, may be used.
- the charging module is mainly an inverter that converts solar energy into electrical energy.
- the motor controller is used to drive the kinetic energy of the motor set by the motor to be converted into the output of the motor;
- the driving circuit is used to drive the motor controller; specifically, the driving circuit is two relays, and the two relays are respectively controlled by the signal of the MCU, and are powered by the vehicle battery/mobile battery, and the motor controller is controlled to drive the motor of the moped.
- the battery is used to power the drive circuit and the MCU, including the car battery and the mobile battery; the car battery is used as a normal battery, so that the user can store the energy converted by the solar panel at any time and output it to the motor controller when needed.
- the mobile battery is stored and self-charged by the user, and is the main energy source of the motor controller. In this embodiment, only the power output is used.
- One setting is made for the two batteries, the mobile battery is preferentially used, and the mobile battery can be used up completely.
- a protection value is set in the embodiment, such as 5% of the power, less than 5%.
- this protection value can also be set lower, even 0.
- the protection value for the car battery such as 80% of the battery, less than 80%, then turn off the car battery Power output.
- the MCU is configured to supply power to the driving circuit by the vehicle battery and the mobile battery according to the voltage sampling of the vehicle battery and the mobile battery.
- the MCU is a Bluetooth control chip, model number 51822, and is used for matching with the Bluetooth lock. With the unlock command, the output of the power is performed;
- the MCU controls the mobile power source to supply power to the bicycle instead of the vehicle battery.
- a predetermined threshold such as less than 10%
- the preset threshold can be set by the default value of the system, or can be set by the user according to actual needs.
- the vehicle battery is provided with two solar panels and a battery, and the two solar panels are respectively laid on the front side and the bottom surface of the bicycle of the bicycle, so that the solar panel can more fully absorb the sunlight.
- the vehicle battery can be tiled on the four sides and the bottom surface of the basket.
- the battery is disposed below the bottom surface of the basket, that is, electrically connected to the solar panel with respect to the other side of the solar panel.
- the solar panel can convert the absorbed solar radiation energy into electrical energy and store it in the storage battery.
- a charge and discharge control element may be further added between the solar panel batteries.
- the solar panel and charging module are used to charge the vehicle battery; the solar panel uses a large voltage and power input, and the rated voltage is greater than the system battery voltage.
- an anti-reverse protection circuit can be set here, and if there is a reverse connection, an alarm prompts.
- the number of solar panels can be selected.
- the setting position can be the bottom and the side of the basket, or the frame body. Of course, multiple blocks can be set at the same time.
- the two-stage step-down circuit of the two-stage step-down circuit is used to step down the output voltage of the vehicle battery and the mobile battery to the 15V supply drive circuit, and the secondary step-down circuit is used to step down the output voltage of the primary step-down circuit to 3.3.
- V is supplied to the MCU; both stages of the step-down circuit can be stepped down by a linear regulator chip.
- a driving amplifying circuit is respectively disposed between the two relays of the driving circuit and the MCU.
- the drive amplifier circuit can be simplified and reliable by triode amplification.
- the power management method of the moped includes the following key points:
- the solar panel is charged for the vehicle battery: the solar panel has electricity, and the output voltage of the solar panel via the charging module (point A in Fig. 1) is higher than the output voltage of the vehicle battery (point B in Fig. 1).
- the MCU scans the unlocking command of the smart lock of the bicycle every minute. If the unlocking command is scanned, the power of the power management system of the bicycle is turned on to the motor of the moped; the MCU periodically scans the unlock of the smart lock of the bicycle. The amount of power required for the command is provided by the car battery. The scanning interval is more than one minute. The long time affects the user experience. The time is too short and the power consumption is too much.
Abstract
Description
Claims (10)
- 助力车电源管理系统,其特征在于:包括电机控制器、驱动电路、电池、MCU和充电电源组件;所述电机控制器用于驱动设置在助力车上的电机;所述驱动电路用于驱动电机控制器;所述电池用于为驱动电路和MCU供电,包括车载电池和移动电池;所述MCU用于根据对车载电池和移动电池的电压采样,决定由车载电池/移动电池为驱动电路供电;所述充电电源组件用于为车载电池充电,当所述车载电池内的电量小于或等于一预设阈值时,所述MCU控制所述移动电池向所述助力车供电。
- 根据权利要求1所述的助力车电源管理系统,其特征在于:还包括两级降压电路,所述两级降压电路的一级降压电路用于将车载电池和移动电池的输出电压降压供给驱动电路,二级降压电路用于将一级降压电路的输出电压降压供给MCU。
- 根据权利要求2所述的助力车电源管理系统,其特征在于:所述充电电源组件包括太阳能板和充电模块。
- 根据权利要求3所述的助力车电源管理系统,其特征在于:所述驱动电路为两个继电器,两个继电器分别受MCU的信号控制,由车载电池/移动电池供电,控制电机控制器来驱动助力车的电机。
- 根据权利要求4所述的助力车电源管理系统,其特征在于:所述驱动电路的两个继电器与MCU之间分别设置驱动放大电路。
- 根据权利要求1所述的助力车电源管理系统,其特征在于:所述车载电池包括太阳能板和蓄电池;所述太阳能板平铺于所述助力车的车篮上的至少一个侧面和底面上;所述蓄电池设置于所述底面的下方且与所述太阳能板相对的一侧;所述太阳能板与所述蓄电池电连接,将接收所得的太阳辐射能转化为电能储存于所述蓄电池中。
- 一种助力车,包括电机、智能锁和车身,其特征在于:还包括如权利要求1至6之一所述的助力车电源管理系统,所述助力车电源管理系统为电机配置动力;所述助力车电源管理系统的MCU与智能锁通信,根据智能锁的信号开启动力输出。
- 助力车电源管理方法,其特征在于:采用如权利要求5所述的助力车电源管理系统,太 阳能板为车载电池充电的条件为:太阳能板有电,且太阳能板经充电模块的输出电压高于车载电池输出电压。
- 根据权利要求8所述的助力车电源管理方法,其特征在于:所述MCU定期扫描助力车的智能锁的开锁指令,若扫描到开锁指令,则打开助力车电源管理系统的电能输出给助力车的电机;所述MCU定期扫描助力车的智能锁的开锁指令所需电量由车载电池提供。
- 根据权利要求9所述的助力车电源管理方法,其特征在于:为车载电池和移动电池设定电压保护值;所述MCU对车载电池和移动电池持续采样,得到实时的2个电压值;若车载电池电压采样值低于车载电池保护值,则关断与车载电池连接的驱动电路的继电器;若移动电池电压采样值不低于移动电池保护值,则移动电池全功率输出。
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JP2020542943A JP7401444B2 (ja) | 2018-02-10 | 2019-02-03 | 電動アシスト自転車、その電源管理システム及び管理方法 |
GB2012299.0A GB2584245B (en) | 2018-02-10 | 2019-02-03 | Power-assisted bicycle, and power management system and management method thereof |
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CN201810137117.2A CN110143134A (zh) | 2018-02-10 | 2018-02-10 | 助力车及其电源管理系统及管理方法 |
CN201820237087.8U CN208428972U (zh) | 2018-02-10 | 2018-02-10 | 助力车及其电源管理系统 |
CN201820237087.8 | 2018-02-10 | ||
CN201820259058.1U CN208233282U (zh) | 2018-02-13 | 2018-02-13 | 一种充放电系统及具有所述充放电系统的助力车 |
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