CN204928297U - Mobile power supply - Google Patents
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- CN204928297U CN204928297U CN201520745621.2U CN201520745621U CN204928297U CN 204928297 U CN204928297 U CN 204928297U CN 201520745621 U CN201520745621 U CN 201520745621U CN 204928297 U CN204928297 U CN 204928297U
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Abstract
本申请公开了一种移动电源，包括输入接口、同步降/升压电路、电压电流检测电路、保护电路、电芯、微控制单元及输出接口，同步降/升压电路为可逆电路，输入接口依次经同步降/升压电路、电压电流检测电路及保护电路电连接至电芯，微控制单元与同步降/升压电路及电压电流检测电路信号连接，输出接口电连接至同步降/升压电路。本申请中的移动电源，充电电路和放电电路共用同步降/升压电路、电压电流检测电路以及保护电路，降低了移动电源内的元器件数量，减小了电路体积，同时降低了电路成本。
The application discloses a mobile power supply, including an input interface, a synchronous step-down/boost circuit, a voltage and current detection circuit, a protection circuit, a battery cell, a micro-control unit, and an output interface. The synchronous step-down/boost circuit is a reversible circuit, and the input interface In turn, the synchronous step-down/boost circuit, the voltage and current detection circuit and the protection circuit are electrically connected to the battery cell, the micro-control unit is connected to the synchronous step-down/boost circuit and the voltage and current detection circuit, and the output interface is electrically connected to the synchronous step-down/boost circuit. circuit. In the mobile power supply in this application, the charging circuit and the discharging circuit share a synchronous step-down/boost circuit, a voltage and current detection circuit and a protection circuit, which reduces the number of components in the mobile power supply, reduces the circuit volume, and reduces the circuit cost at the same time.
Description
技术领域 technical field
本申请涉及电源领域，具体涉及一种移动电源。 The present application relates to the field of power supplies, in particular to a mobile power supply.
背景技术 Background technique
随着电子终端设备的智能化及功能多样化，设备续航时间减少，移动电源是一种便携式充电设备，可以随时随地为电子设备充电，间接延长了设备的续航时间。移动电源内置电芯作为电量存储单元，现有的移动电源，其充电电路及放电电路独立设置，使得电路板体积大、产品成本高。 With the intelligentization and diversification of functions of electronic terminal equipment, the battery life of the equipment is reduced. The mobile power supply is a portable charging device that can charge electronic equipment anytime and anywhere, indirectly extending the battery life of the equipment. The built-in battery of the mobile power supply is used as a power storage unit. In the existing mobile power supply, its charging circuit and discharging circuit are set independently, which makes the circuit board bulky and the product cost high.
发明内容 Contents of the invention
本申请提供一种共用部分充电/放电电路的移动电源。 The present application provides a mobile power supply that shares part of the charging/discharging circuit.
本申请的移动电源，包括输入接口、同步降/升压电路、电压电流检测电路、保护电路、电芯、微控制单元及输出接口，同步降/升压电路为可逆电路，输入接口依次经同步降/升压电路、电压电流检测电路及保护电路电连接至电芯，微控制单元与同步降/升压电路及电压电流检测电路信号连接，输出接口电连接至同步降/升压电路。 The mobile power supply of this application includes an input interface, a synchronous step-down/boost circuit, a voltage and current detection circuit, a protection circuit, a battery cell, a micro-control unit, and an output interface. The synchronous step-down/boost circuit is a reversible circuit, and the input interface is sequentially synchronized The voltage drop/boost circuit, the voltage and current detection circuit and the protection circuit are electrically connected to the battery core, the micro control unit is connected to the synchronous voltage drop/boost circuit and the voltage and current detection circuit, and the output interface is electrically connected to the synchronous voltage drop/boost circuit.
在一种实施方式中，还包括输入快充识别电路，输入快充识别电路电连接于输入接口和微控制单元之间,微控制单元为支持快速充电协议的微控制单元。 In one embodiment, it also includes an input fast charging identification circuit, the input fast charging identification circuit is electrically connected between the input interface and the micro control unit, and the micro control unit is a micro control unit supporting the fast charging protocol.
在一种实施方式中，还包括输出快充识别电路，输出快充识别电路电连接与输出接口和微控制单元，微控制单元为支持快速充电协议的微控制单元。 In one embodiment, it also includes an output fast charging identification circuit, the output fast charging identification circuit is electrically connected to the output interface and the micro control unit, and the micro control unit is a micro control unit supporting the fast charging protocol.
作为一种实施方式，输出快充识别电路包括快充识别芯片，快充识别芯片电连接于输出接口与微控制单元之间。 As an implementation manner, the output fast charge identification circuit includes a fast charge identification chip, and the fast charge identification chip is electrically connected between the output interface and the micro control unit.
在一种实施方式中，输入接口内的信号线与微控制单元信号连接，微控制单元为支持快速充电协议的微控制单元。 In one embodiment, the signal line in the input interface is signally connected to the micro control unit, and the micro control unit is a micro control unit supporting the fast charging protocol.
在一种实施方式中，输出接口内的信号线与微控制单元信号连接，微控制单元为支持快速充电协议的微控制单元。 In one embodiment, the signal line in the output interface is signally connected to the micro control unit, and the micro control unit is a micro control unit supporting the fast charging protocol.
在一种实施方式中，还包括电量显示单元，电量显示单元电连接至微控制单元。 In one embodiment, a power display unit is further included, and the power display unit is electrically connected to the micro control unit.
作为一种实施方式，电量显示单元为LED显示单元，微控制单元的I/O引脚驱动LED显示单元。 As an implementation manner, the power display unit is an LED display unit, and the I/O pin of the micro control unit drives the LED display unit.
本申请的有益效果是： The beneficial effect of this application is:
在一种实施方式中，本申请的移动电源包括输入接口、同步降/升压电路、电压电流检测电路、保护电路、电芯、微控制单元及输出接口，同步降/升压电路为可逆电路，在为移动电源电芯充电时，同步降/升压电路为降压电路；当为电子设备供电时，同步降/升压电路作为升压电路使用。本申请中的移动电源，充电电路和放电电路共用同步降/升压电路、电压电流检测电路以及保护电路，降低了移动电源内的元器件数量，减小了电路体积，同时降低了电路成本。 In one embodiment, the mobile power supply of the present application includes an input interface, a synchronous step-down/boost circuit, a voltage and current detection circuit, a protection circuit, a battery cell, a micro-control unit and an output interface, and the synchronous step-down/boost circuit is a reversible circuit , when charging mobile power cells, the synchronous buck/boost circuit is a buck circuit; when powering electronic equipment, the synchronous buck/boost circuit is used as a boost circuit. In the mobile power supply in this application, the charging circuit and the discharging circuit share a synchronous step-down/boost circuit, a voltage and current detection circuit and a protection circuit, which reduces the number of components in the mobile power supply, reduces the circuit volume, and reduces the circuit cost.
附图说明 Description of drawings
图1为本申请一种实施例中移动电源的电路框图； Fig. 1 is a circuit block diagram of a mobile power supply in an embodiment of the present application;
图2为本申请另一种实施例中移动电源的电路框图； Fig. 2 is a circuit block diagram of a mobile power supply in another embodiment of the present application;
图3为本申请一种实施例中移动电源的电路框图； Fig. 3 is a circuit block diagram of a mobile power supply in an embodiment of the present application;
图4为本申请另一种实施例中移动电源的电路框图； FIG. 4 is a circuit block diagram of a mobile power supply in another embodiment of the present application;
图5为本申请一种实施例中移动电源的电路框图。 Fig. 5 is a circuit block diagram of a mobile power supply in an embodiment of the present application.
具体实施方式 Detailed ways
下面通过具体实施方式结合附图对本申请作进一步详细说明。 The present application will be described in further detail below through specific embodiments in conjunction with the accompanying drawings.
实施例一： Embodiment one:
请参考图1，本申请的移动电源，包括输入接口、同步降/升压电路、电压电流检测电路、保护电路、电芯、微控制单元及输出接口，同步降/升压电路为可逆电路，输入接口依次经同步降/升压电路、电压电流检测电路及保护电路电连接至电芯，微控制单元与同步降/升压电路及电压电流检测电路信号连接，输出接口电连接至同步降/升压电路。其中，保护电路用于保护移动电源充放电，避免移动电源出现过压、过放、过流等情况；同步降/升压电路为可逆电路，当为移动电源内的电芯充电时，同步降/升压电路为同步降压电路；当使用移动电源为外部电子设备充电时，同步降/升压电路为同步升压电路；电压电流检测电路，用于检测电芯的电压和电流值，以供微控制单元判断电芯是否充满电以及检测放电时电芯内的电量。本实施例中的输入接口、输出接口可以是MicroUSB接口、USB接口、TypeC接口等接口。 Please refer to Figure 1. The mobile power supply of this application includes an input interface, a synchronous step-down/boost circuit, a voltage and current detection circuit, a protection circuit, a battery cell, a micro-control unit, and an output interface. The synchronous step-down/boost circuit is a reversible circuit. The input interface is electrically connected to the battery cell through the synchronous step-down/boost circuit, the voltage and current detection circuit and the protection circuit in turn, the micro-control unit is connected to the synchronous step-down/boost circuit and the voltage and current detection circuit, and the output interface is electrically connected to the synchronous step-down/boost circuit. Boost circuit. Among them, the protection circuit is used to protect the charging and discharging of the mobile power supply to avoid overvoltage, overdischarge, and overcurrent of the mobile power supply; the synchronous step-down/boost circuit is a reversible circuit. The /boost circuit is a synchronous step-down circuit; when using a mobile power supply to charge an external electronic device, the synchronous step-down/boost circuit is a synchronous boost circuit; the voltage and current detection circuit is used to detect the voltage and current value of the battery cell to For the micro control unit to judge whether the battery is fully charged and to detect the power in the battery when it is discharged. The input interface and the output interface in this embodiment may be interfaces such as a MicroUSB interface, a USB interface, and a TypeC interface.
本实施例中的移动电源，充电电路和放电电路共用同步降/升压电路、电压电流检测电路及保护电路，降低了移动电源内的元器件数量，减小了电路体积，同时降低了电路成本。 In the mobile power supply in this embodiment, the charging circuit and the discharging circuit share the synchronous step-down/boost circuit, the voltage and current detection circuit and the protection circuit, which reduces the number of components in the mobile power supply, reduces the circuit volume, and reduces the circuit cost at the same time .
实施例二： Embodiment two:
请参考图2，本实施例与实施例一中的移动移动电源相比，增加了输入快充识别电路，输入快充识别电路电连接于输入接口与微控制单元之间，其一端电连接至输入接口中的信号线，另一端端电连接至微控制单元，微控制单元支持快速充电协议，例如高通QuickCharge2.0快充协议等。输入快充识别电路用于采集信号，协助微控制单元判断输入接口外接的电子设备是否支持快速充电协议。 Please refer to Figure 2. Compared with the mobile power bank in Embodiment 1, this embodiment adds an input fast charge identification circuit, the input fast charge identification circuit is electrically connected between the input interface and the micro control unit, and one end thereof is electrically connected to The other end of the signal line in the input interface is electrically connected to the micro control unit, and the micro control unit supports a fast charging protocol, such as Qualcomm QuickCharge2.0 fast charging protocol. The input fast charging identification circuit is used to collect signals, and assists the micro control unit in judging whether the electronic device connected to the input interface supports the fast charging protocol.
随着智能手机等电子设备电池容量的增加，出现了大容量的移动电源，这些移动电源充电耗时很长。本实施例中的移动电源，输入端保护快速充电识别电路，当外部充电器也支持快速充电协议时，可以缩短移动电源的充电时间，方便用户使用。 With the increase in battery capacity of electronic devices such as smart phones, large-capacity mobile power sources have emerged, and these mobile power sources take a long time to charge. In the mobile power supply in this embodiment, the input terminal protects the fast charging identification circuit. When the external charger also supports the fast charging protocol, the charging time of the mobile power supply can be shortened, which is convenient for users.
实施例三： Embodiment three:
请参考图3，本实施例中的移动电源在实施例一的基础上增加了输出快充识别电路，输出快充识别电路一端电连接至输出接口内的信号线，另一端电连接至微控制单元，微控制单元支持快速充电协议。输出快充识别电路用于接收输出接口的电信号，识别输出接口外接的电子设备是否支持快速充电协议。 Please refer to Figure 3, the mobile power supply in this embodiment has an output fast charge identification circuit on the basis of the first embodiment, one end of the output fast charge identification circuit is electrically connected to the signal line in the output interface, and the other end is electrically connected to the microcontroller unit, the microcontroller unit supports the fast charging protocol. The output fast charging identification circuit is used to receive the electrical signal of the output interface, and identify whether the electronic device connected to the output interface supports the fast charging protocol.
本实施例中的移动电源，当外接的手机等电子设备支持快速充电协议时，可使用快速充电模式进行充电，缩短手机等电子设备的充电时间。 The mobile power supply in this embodiment, when the external mobile phone and other electronic devices support the fast charging protocol, can use the fast charging mode for charging, shortening the charging time of the mobile phone and other electronic devices.
实施例四： Embodiment four:
请参考图4，本实施例中的移动电源，移动电源输入端和输出端分别设有输入快充识别电路和输出快充识别电路，微控制单元支持快速充电协议。 Please refer to FIG. 4 , the mobile power supply in this embodiment, the input terminal and the output terminal of the mobile power supply are respectively provided with an input fast charge identification circuit and an output fast charge identification circuit, and the micro control unit supports the fast charge protocol.
本实施例中的移动电源，充电及放电均支持快速充电，能有效缩短充放电时间，方便了用户使用。 The mobile power supply in this embodiment supports fast charging for charging and discharging, which can effectively shorten the charging and discharging time, and is convenient for users.
实施例五： Embodiment five:
请参考图5，本实施例中的移动电源与实施例四的不同之处在于，还包括电量显示单元，电量显示单元电连接至微控制单元，电量显示单元用于在充放电时提示移动电源电量情况。 Please refer to Figure 5, the difference between the mobile power supply in this embodiment and the fourth embodiment is that it also includes a power display unit, which is electrically connected to the micro control unit, and the power display unit is used to prompt the mobile power when charging and discharging Battery status.
在一种实施方式中，电量显示单元为LED显示单元，微控制单元的I/O引脚驱动LED显示单元。 In one embodiment, the power display unit is an LED display unit, and the I/O pin of the microcontroller unit drives the LED display unit.
本实施例的一种实施方式中，输入快充识别电路包括限流电阻，限流电阻一端电连接至输入接口内的信号线，另一端电连接至微控制单元的模数转换引脚，该电路可降低成本，节省PCB空间。 In an implementation of this embodiment, the input fast charging identification circuit includes a current limiting resistor, one end of the current limiting resistor is electrically connected to the signal line in the input interface, and the other end is electrically connected to the analog-to-digital conversion pin of the micro control unit. circuit reduces cost and saves PCB space.
作为一种实施方式，输出快充识别电路包括快充识别芯片，快充识别芯片电连接至USB接口的信号线以及微控制单元。例如，可采用PI公司的CHY100D芯片。 As an embodiment, the output fast charge recognition circuit includes a fast charge recognition chip, and the fast charge recognition chip is electrically connected to the signal line of the USB interface and the micro control unit. For example, the CHY100D chip of PI Company can be used.
实施例六： Embodiment six:
在一种实施方式中，输入接口内的信号线与微控制单元信号连接，微控制单元为支持快速充电协议的微控制单元，本实施方式中，采用软件方式识别输入接口处的快速充电设备。进一步，移动电源输出接口内的信号线与微控制单元信号连接，以软件方式识别输出接口外接的电子设备是否为快速充电设备。 In one embodiment, the signal line in the input interface is connected to the micro control unit, and the micro control unit is a micro control unit supporting the fast charging protocol. In this embodiment, software is used to identify the fast charging device at the input interface. Further, the signal line in the output interface of the mobile power supply is connected to the micro control unit to identify whether the electronic device connected to the output interface is a fast charging device by software.
更进一步，本实施方式中的移动电源，还支持边充边放功能，当移动电源输入接口连接到充电器，输出接口连接外部电子设备时，微控制处理单元控制优先给外部电子设备充电，待外部电子设备充满电后，再给移动电源内部的电芯充电。 Furthermore, the mobile power supply in this embodiment also supports the function of charging while discharging. When the input interface of the mobile power supply is connected to the charger and the output interface is connected to an external electronic device, the micro-control processing unit controls the priority to charge the external electronic device. After the external electronic device is fully charged, charge the battery inside the mobile power supply.
以上内容是结合具体的实施方式对本申请所作的进一步详细说明，不能认定本申请的具体实施只局限于这些说明。对于本申请所属技术领域的普通技术人员来说，在不脱离本申请构思的前提下，还可以做出若干简单推演或替换。 The above content is a further detailed description of the present application in conjunction with specific implementation modes, and it cannot be considered that the specific implementation of the present application is limited to these descriptions. For those of ordinary skill in the technical field to which the present application belongs, some simple deduction or replacement can also be made without departing from the concept of the present application.
Claims (8)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520745621.2U CN204928297U (en) | 2015-09-24 | 2015-09-24 | Mobile power supply |
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| CN201520745621.2U CN204928297U (en) | 2015-09-24 | 2015-09-24 | Mobile power supply |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972577A (en) * | 2017-04-25 | 2017-07-21 | 深圳市力泰新能源有限公司 | A kind of portable power source of quickly-chargeable |
| CN108539829A (en) * | 2018-06-12 | 2018-09-14 | 深圳市瑞晶实业有限公司 | A kind of more mouthfuls of charging circuits |
| CN108551195A (en) * | 2018-06-12 | 2018-09-18 | 深圳市瑞晶实业有限公司 | A kind of phone charger |
-
2015
- 2015-09-24 CN CN201520745621.2U patent/CN204928297U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972577A (en) * | 2017-04-25 | 2017-07-21 | 深圳市力泰新能源有限公司 | A kind of portable power source of quickly-chargeable |
| CN108539829A (en) * | 2018-06-12 | 2018-09-14 | 深圳市瑞晶实业有限公司 | A kind of more mouthfuls of charging circuits |
| CN108551195A (en) * | 2018-06-12 | 2018-09-18 | 深圳市瑞晶实业有限公司 | A kind of phone charger |
| CN108551195B (en) * | 2018-06-12 | 2024-04-05 | 深圳市瑞晶实业有限公司 | Mobile phone charger |
| CN108539829B (en) * | 2018-06-12 | 2024-04-05 | 深圳市瑞晶实业有限公司 | Multi-port charging circuit |
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