CN204928297U - Mobile power supply - Google Patents

Mobile power supply Download PDF

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Publication number
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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China
Prior art keywords
circuit
control unit
micro
power source
portable power
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CN201520745621.2U
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Chinese (zh)
Inventor
赵武
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SICHUAN PISEN ELECTRONICS CO Ltd
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SICHUAN PISEN ELECTRONICS CO Ltd
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Priority to CN201520745621.2U priority Critical patent/CN204928297U/en
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Publication of CN204928297U publication Critical patent/CN204928297U/en
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Abstract

The application discloses mobile power supply, including the input interface, boost circuit falls in step, voltage/current detecting circuit, the protection circuit, the electricity core, little the control unit and output interface, it is the reciprocal circuit to fall boost circuit in step, boost circuit falls in input interface in proper order through in step, voltage/current detecting circuit and protection circuit electricity are connected to electric core, little the control unit and fall boost circuit and voltage/current detecting circuit signal connection in step, output electrical connection interface is to falling boost circuit in step. Mobile power supply in this application, boost circuit, voltage/current detecting circuit and protection circuit fall in charging circuit and discharge circuit sharing in step, have reduced the components and parts quantity in the mobile power supply, have reduced the circuit volume, have reduced the circuit cost simultaneously.

Description

A kind of portable power source
Technical field
The application relates to field of power supplies, is specifically related to a kind of portable power source.
Background technology
Along with intellectuality and the functional diversities of electric terminal equipment, equipment minimizing in cruising time, portable power source is a kind of portable charging apparatus, can be electronic equipment charging whenever and wherever possible, indirectly extend the cruising time of equipment.The built-in battery core of portable power source is as electricity memory cell, and existing portable power source, its charging circuit and discharge circuit are independently arranged, such that circuit board volume is large, product cost is high.
Summary of the invention
The application provides a kind of portable power source of common sparing charge/discharge circuit.
The portable power source of the application; comprise input interface, same to step-down/booster circuit, voltage and current detection circuit, protective circuit, battery core, micro-control unit and output interface; same step-down/booster circuit is reciprocal circuit; input interface is electrically connected to battery core through same step-down/booster circuit, voltage and current detection circuit and protective circuit successively; micro-control unit is connected with same step-down/booster circuit and voltage and current detection circuit signal, and output interface is electrically connected to same step-down/booster circuit.
In one embodiment, also comprise input and fill identification circuit soon, input is filled identification circuit soon and is electrically connected between input interface and micro-control unit, and micro-control unit is the micro-control unit supporting fast charge protocol.
In one embodiment, also comprise output and fill identification circuit soon, export and fill identification circuit electrical connection and output interface and micro-control unit soon, micro-control unit is the micro-control unit supporting fast charge protocol.
As a kind of execution mode, export and fill identification circuit soon and comprise and fill identification chip soon, fill identification chip soon and be electrically connected between output interface and micro-control unit.
In one embodiment, the holding wire in input interface is connected with micro-control unit signal, and micro-control unit is the micro-control unit supporting fast charge protocol.
In one embodiment, the holding wire in output interface is connected with micro-control unit signal, and micro-control unit is the micro-control unit supporting fast charge protocol.
In one embodiment, also comprise electricity display unit, electricity display unit is electrically connected to micro-control unit.
As a kind of execution mode, electricity display unit is LED display unit, the I/O pin driving LED display unit of micro-control unit.
The beneficial effect of the application is:
In one embodiment, the portable power source of the application comprises input interface, same to step-down/booster circuit, voltage and current detection circuit, protective circuit, battery core, micro-control unit and output interface, same step-down/booster circuit is reciprocal circuit, when charging for portable power source battery core, same to step-down/booster circuit is reduction voltage circuit; When for power electronic equipment, same to step-down/booster circuit uses as booster circuit.Portable power source in the application, charging circuit and discharge circuit share same step-down/booster circuit, voltage and current detection circuit and protective circuit, reduce the component number in portable power source, reduce circuit volume, reduce circuit cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of portable power source in a kind of embodiment of the application;
Fig. 2 is the circuit block diagram of portable power source in the another kind of embodiment of the application;
Fig. 3 is the circuit block diagram of portable power source in a kind of embodiment of the application;
Fig. 4 is the circuit block diagram of portable power source in the another kind of embodiment of the application;
Fig. 5 is the circuit block diagram of portable power source in a kind of embodiment of the application.
Embodiment
By reference to the accompanying drawings the application is described in further detail below by embodiment.
Embodiment one:
Please refer to Fig. 1; the portable power source of the application; comprise input interface, same to step-down/booster circuit, voltage and current detection circuit, protective circuit, battery core, micro-control unit and output interface; same step-down/booster circuit is reciprocal circuit; input interface is electrically connected to battery core through same step-down/booster circuit, voltage and current detection circuit and protective circuit successively; micro-control unit is connected with same step-down/booster circuit and voltage and current detection circuit signal, and output interface is electrically connected to same step-down/booster circuit.Wherein, protective circuit, for the protection of portable power source discharge and recharge, avoids the situations such as overvoltage appears in portable power source, mistake is put, overcurrent; Same step-down/booster circuit is reciprocal circuit, and when charging for the battery core in portable power source, same to step-down/booster circuit is synchronous buck circuit; When using portable power source to charge for external electronic device, same to step-down/booster circuit is synchronous voltage booster circuit; Voltage and current detection circuit, for detecting the voltage and current value of battery core, electricity when judging whether battery core is full of electricity and detects electric discharge for micro-control unit in battery core.Input interface in the present embodiment, output interface can be the interfaces such as MicroUSB interface, USB interface, TypeC interface.
Portable power source in the present embodiment, charging circuit and discharge circuit share same step-down/booster circuit, voltage and current detection circuit and protective circuit, reduce the component number in portable power source, reduce circuit volume, reduce circuit cost simultaneously.
Embodiment two:
Please refer to Fig. 2, the present embodiment is compared with the mobile portable power source in embodiment one, add input and fill identification circuit soon, input is filled identification circuit soon and is electrically connected between input interface and micro-control unit, its one end is electrically connected to the holding wire in input interface, other end end is electrically connected to micro-control unit, and micro-control unit supports fast charge protocol, and such as high pass QuickCharge2.0 fills agreement etc. soon.Input fills identification circuit soon for collection signal, and whether the external electronic equipment of input interface supports fast charge protocol to assist micro-control unit to judge.
Along with the increase of the electric device battery capacity such as smart mobile phone, occurred jumbo portable power source, the charging of these portable power sources is consuming time very long.Portable power source in the present embodiment, input protection quick charge identification circuit, when external charger also supports fast charge protocol, can shorten the charging interval of portable power source, be user-friendly to.
Embodiment three:
Please refer to Fig. 3, portable power source in the present embodiment adds output and fills identification circuit soon on the basis of embodiment one, export and fill identification circuit one end soon and be electrically connected to holding wire in output interface, the other end is electrically connected to micro-control unit, and micro-control unit supports fast charge protocol.Export and fill identification circuit soon for receiving the signal of telecommunication of output interface, identify whether the external electronic equipment of output interface supports fast charge protocol.
Portable power source in the present embodiment, when fast charge protocol supported by the electronic equipments such as external mobile phone, can use fast charge mode to charge, shorten the charging interval of the electronic equipments such as mobile phone.
Embodiment four:
Please refer to Fig. 4, the portable power source in the present embodiment, portable power source input and output be respectively equipped with input fill soon identification circuit and export fill identification circuit soon, micro-control unit support fast charge protocol.
Portable power source in the present embodiment, charging and electric discharge all support quick charge, can effectively shorten the discharge and recharge time, convenient for users.
Embodiment five:
Please refer to Fig. 5, the difference of the portable power source in the present embodiment and embodiment four is, also comprises electricity display unit, and electricity display unit is electrically connected to micro-control unit, and electricity display unit is used for pointing out portable power source charge condition when discharge and recharge.
In one embodiment, electricity display unit is LED display unit, the I/O pin driving LED display unit of micro-control unit.
In an embodiment of the present embodiment, input is filled identification circuit soon and is comprised current-limiting resistance, and current-limiting resistance one end is electrically connected to the holding wire in input interface, and the other end is electrically connected to the analog-to-digital conversion pin of micro-control unit, this circuit can reduce costs, and saves PCB space.
As a kind of execution mode, export and fill identification circuit soon and comprise and fill identification chip soon, fill holding wire and micro-control unit that identification chip is electrically connected to USB interface soon.Such as, the CHY100D chip of PI Corp. can be adopted.
Embodiment six:
In one embodiment, the holding wire in input interface is connected with micro-control unit signal, and micro-control unit is the micro-control unit supporting fast charge protocol, in present embodiment, adopts the fast charge equipment at software mode identification input interface place.Whether further, the holding wire in portable power source output interface is connected with micro-control unit signal, with the external electronic equipment of software mode identification output interface for fast charge equipment.
Further, portable power source in present embodiment, also support to fill while playing function, when portable power source input interface is connected to charger, when output interface connects external electronic device, micro control processing unit controls, preferentially to external electronic device charging, to be full of after electricity, then to charge to the battery core of portable power source inside until external electronic device.
Above content is the further description done the application in conjunction with concrete execution mode, can not assert that the concrete enforcement of the application is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite not departing from the application's design, some simple deduction or replace can also be made.

Claims (8)

1. a portable power source; it is characterized in that; comprise input interface, same to step-down/booster circuit, voltage and current detection circuit, protective circuit, battery core, micro-control unit and output interface; described same step-down/booster circuit is reciprocal circuit; described input interface is electrically connected to described battery core through described same step-down/booster circuit, voltage and current detection circuit and protective circuit successively; described micro-control unit is connected with described same step-down/booster circuit and voltage and current detection circuit signal, and described output interface is electrically connected to described same step-down/booster circuit.
2. portable power source as claimed in claim 1, it is characterized in that, also comprise input and fill identification circuit soon, described input is filled identification circuit soon and is electrically connected between described input interface and described micro-control unit, and described micro-control unit is the micro-control unit supporting fast charge protocol.
3. portable power source as claimed in claim 1, it is characterized in that, also comprise output and fill identification circuit soon, identification circuit electrical connection and described output interface and described micro-control unit are filled in described output soon, and described micro-control unit is the micro-control unit supporting fast charge protocol.
4. portable power source as claimed in claim 3, is characterized in that, described output is filled identification circuit soon and comprised and fill identification chip soon, and the described identification chip that fills soon is electrically connected between described output interface and described micro-control unit.
5. portable power source as claimed in claim 1, it is characterized in that, the holding wire in described input interface is connected with described micro-control unit signal, and described micro-control unit is the micro-control unit supporting fast charge protocol.
6. portable power source as claimed in claim 1, it is characterized in that, the holding wire in described output interface is connected with described micro-control unit signal, and described micro-control unit is the micro-control unit supporting fast charge protocol.
7. portable power source as claimed in claim 1, it is characterized in that, also comprise electricity display unit, described electricity display unit is electrically connected to described micro-control unit.
8. portable power source as claimed in claim 7, it is characterized in that, described electricity display unit is LED display unit, and the I/O pin of described micro-control unit drives described LED display unit.
CN201520745621.2U 2015-09-24 2015-09-24 Mobile power supply Active CN204928297U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520745621.2U CN204928297U (en) 2015-09-24 2015-09-24 Mobile power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520745621.2U CN204928297U (en) 2015-09-24 2015-09-24 Mobile power supply

Publications (1)

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CN204928297U true CN204928297U (en) 2015-12-30

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Cited By (3)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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
CN108539829B (en) * 2018-06-12 2024-04-05 深圳市瑞晶实业有限公司 Multi-port charging circuit
CN108551195B (en) * 2018-06-12 2024-04-05 深圳市瑞晶实业有限公司 Mobile phone charger

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