CN203536989U - Multifunctional mobile power supply - Google Patents

Multifunctional mobile power supply Download PDF

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Publication number
CN203536989U
CN203536989U CN201320495298.9U CN201320495298U CN203536989U CN 203536989 U CN203536989 U CN 203536989U CN 201320495298 U CN201320495298 U CN 201320495298U CN 203536989 U CN203536989 U CN 203536989U
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CN
China
Prior art keywords
circuit
voltage
power source
portable power
multifunctional portable
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Expired - Fee Related
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CN201320495298.9U
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Chinese (zh)
Inventor
卢安定
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卢安定
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Priority to CN201320495298.9U priority Critical patent/CN203536989U/en
Application granted granted Critical
Publication of CN203536989U publication Critical patent/CN203536989U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the field of power supplies, and provides a multifunctional mobile power supply. The multifunctional mobile power supply includes an MCU intelligent control circuit, a charging management circuit, a voltage reducing circuit and a boosting circuit. The charging management circuit, the voltage reducing circuit and the boosting circuit are respectively connected with the MCU intelligent control circuit, the boosting circuit is connected with two lithium batteries (with the rated voltage being 3.7 V) which are connected in series and a voltage (12 V) output interface, and the voltage reducing circuit is connected with a voltage (5 V) output interface. The multifunctional mobile power supply can charge electronic equipment with charging voltages being from 5 to 12 V, the range of output voltages is wide, and the applicability is high.

Description

A kind of Multifunctional portable power source
Technical field
The utility model relates to field of power supplies, relates in particular to a kind of Multifunctional portable power source.
Background technology
Existing cell phone multifunction portable power source mainly adopts polymer battery or 18650 lithium batteries as storage body, and by pressure build-up technique, the voltage of the 3.7V of lithium battery own is increased to 5V left and right, thereby reach, support the various digital product chargings of internal battery voltage between 2.4-5V, but this type of Multifunctional portable power source of the electronic product of the above voltage of 5.2V cannot be supported charging or power supply.Though and common storage battery has the Voltage-output of 12V, it can not give the output of the electronic product power supply below 11V, and conventional accumulators volume is more heavier, carries inconvenience, useful life is short, and general storage battery can only be with about 2 years; Use inconvenient operation, storage battery is by positive and negative two electric currents folder conduction, and use procedure very easily comes off; Without smart circuit, control, also there is no switching function and electric weight demonstration in real time; Only have an output port, can not be plurality of devices power supply output simultaneously.
Utility model content
For above-mentioned defect, the purpose of this utility model is to provide a kind of Multifunctional portable power source, and it can be the electronic equipment charging of 5 ~ 12V for charging voltage requirement, and output voltage range is wide, and applicability is strong.
To achieve these goals, the utility model provides a kind of Multifunctional portable power source, comprise: MCU intelligent control circuit, charge management circuit, reduction voltage circuit and booster circuit, described charge management circuit, reduction voltage circuit and booster circuit are connected with described MCU intelligent control circuit respectively, described booster circuit is connected with lithium battery and the 12V Voltage-output interface of two series connection, and described reduction voltage circuit is connected with 5V Voltage-output interface.
According to Multifunctional portable power source of the present utility model, described Multifunctional portable power source also comprises that the LED being connected with described MCU intelligent control circuit discharges and recharges display circuit.
According to Multifunctional portable power source of the present utility model, described Multifunctional portable power source also comprises the battery protecting circuit being connected with described MCU intelligent control circuit.
According to Multifunctional portable power source of the present utility model, described 12V Voltage-output interface and described 5V Voltage-output interface comprise respectively the output port of a USB output interface and a DC5.5.
The utility model is connected in series together and is formed the integrated voltage of 7.4V by 2 lithium batteries that are 3.7V by self voltage, then by booster circuit, 7.4V voltage is risen to 12V, thereby 12V Voltage-output can be provided; Reduction voltage circuit is down to 5V by 12V voltage again, thereby realizes 5V Voltage-output.Whereby, the utility model can be the electronic equipment charging of 5 ~ 12V for charging voltage requirement, and output voltage range is wide, and applicability is strong.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of Multifunctional portable power source of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of Multifunctional portable power source 100 of the utility model, comprise: MCU(Micro Control Unit, micro-control unit) intelligent control circuit 10, charge management circuit 20, reduction voltage circuit 30 and booster circuit 40, charge management circuit 20, reduction voltage circuit 30 and booster circuit 40 are connected with MCU intelligent control circuit 10 respectively, booster circuit 40 is connected with 3.7V lithium battery 50 and the 12V Voltage-output interface of two series connection, and reduction voltage circuit 30 is connected with 5V Voltage-output interface.Wherein, 12V Voltage-output interface and 5V Voltage-output interface comprise respectively the output port of a USB output interface and a DC5.5.
Wherein, MCU intelligent control circuit 10 major controls: the voltage of charging and discharging and the management of electric current; The safety guards such as over-charging of battery, mistake are put, short circuit are controlled; Electric weight detects and shows in real time; The adjusting of key switch machine.In addition, MCU intelligent control circuit 10 configuration low-voltage power circuits are for IC work.
Charge management circuit 20 is the management system that Multifunctional portable power source 100 self charges, and is mainly that cell integrated voltage is dropped to 8.4V from 12V, thereby supports that between 8.4V-12V, voltage charger is its charging input.
Booster circuit 40 is mainly used in the cell voltage 7.4V after series connection, by pressure build-up technique, global voltage is raised to 11.8-12V, thereby reaches the effect of 12V output, meets the dual purpose of charging and power supply.
Thereby reduction voltage circuit 30 is mainly used in that power source integral voltage 11.8V is down to 5V and supports panel computer, mobile phone charging output.
The utility model is connected in series together and is formed the integrated voltage of 7.4V by 2 lithium batteries 50 that are 3.7V by self voltage, then by booster circuit 40,7.4V voltage is risen to 12V, thereby 12V Voltage-output can be provided; Reduction voltage circuit 30 is down to 5V by 12V voltage again, thereby realizes 5V Voltage-output.Whereby, the utility model can be the electronic equipment charging of 5 ~ 12V for charging voltage requirement, and output voltage range is wide, and applicability is strong.
Preferably, Multifunctional portable power source 100 also comprises the LED(Light Emitting Diode being connected with MCU intelligent control circuit 10, light-emitting diode) discharge and recharge display circuit 60.LED discharges and recharges display circuit 60 and is provided as and discharges and recharges Presentation Function, is mainly by MCU intelligent control circuit 10, the existing electric weight of the battery detecting to be shown by LED display.
Preferably, Multifunctional portable power source 100 also comprises the battery protecting circuit 70 being connected with MCU intelligent control circuit 10.It is between 3-4.2V that MCU intelligent control circuit 10 limits safe voltage, and when surpassing this magnitude of voltage or occurring super-charge super-discharge short circuit phenomenon in lithium battery 50 charge and discharge process, battery protecting circuit 70 will start safeguard protection.
The utility model is the Multifunctional portable power source of Mobyneb, it integrates common lead acid accumulator and the mobile phone precious function of charging, having for the electronic equipment charging of the 5-12V voltage requests such as computer, mobile phone, intercom, flashlight, video camera, mobile sound equipment and be the dual-use function of 9-12V photoelectric lamp, mobile fan, convenient refrigerator, heating clothes power supply, is the essential items that the outdoor activities such as exploration, camping, operation outside of the city, night market operation and family are emergent, government combats a natural disaster rescue.
Multifunctional portable power source of the present utility model has the following advantages:
1, integrate 5-12V output voltage, compatible more than 90% digital product and the charging of other electronic equipment and power supply, of many uses, function is superpower.
2, long service life, energy cycle charge-discharge is more than 500 times.
3, volume is small and exquisite, and equal capacity and power only have 1/3rd sizes of storage battery.
4, USB cover for seat and DC5.5 socket are set, during use only need by plug insertion socket just can, it is reliable convenient again to operate.
5, the output port of two USB and two DC5.5 is set respectively, the output of can simultaneously powering of tetra-ports of 5V and 12V.
6, outer setting 5 lattice electric weight display screens, represent respectively different electric weight ratios, and person easy to use understands electric quantity conditions at any time.
7, can support vehicle-mounted charge and solar recharging.
In sum, the utility model is connected in series together and is formed the integrated voltage of 7.4V by 2 lithium batteries that are 3.7V by self voltage, then by booster circuit, 7.4V voltage is risen to 12V, thereby 12V Voltage-output can be provided; Reduction voltage circuit is down to 5V by 12V voltage again, thereby realizes 5V Voltage-output.Whereby, the utility model can be the electronic equipment charging of 5 ~ 12V for charging voltage requirement, and output voltage range is wide, and applicability is strong.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims (4)

1. a Multifunctional portable power source, comprise MCU intelligent control circuit, charge management circuit, reduction voltage circuit and booster circuit, it is characterized in that charge management circuit, reduction voltage circuit and booster circuit are connected with MCU intelligent control circuit respectively, booster circuit is connected with 3.7V lithium battery and the 12V Voltage-output interface of two series connection, and reduction voltage circuit is connected with 5V Voltage-output interface.
2. Multifunctional portable power source according to claim 1, is characterized in that, described Multifunctional portable power source also comprises that the LED being connected with described MCU intelligent control circuit discharges and recharges display circuit.
3. Multifunctional portable power source according to claim 1, is characterized in that, described Multifunctional portable power source also comprises the battery protecting circuit being connected with described MCU intelligent control circuit.
4. Multifunctional portable power source according to claim 1, is characterized in that, described 12V Voltage-output interface and described 5V Voltage-output interface comprise respectively the output port of a USB output interface and a DC5.5.
CN201320495298.9U 2013-08-14 2013-08-14 Multifunctional mobile power supply Expired - Fee Related CN203536989U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320495298.9U CN203536989U (en) 2013-08-14 2013-08-14 Multifunctional mobile power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320495298.9U CN203536989U (en) 2013-08-14 2013-08-14 Multifunctional mobile power supply

Publications (1)

Publication Number Publication Date
CN203536989U true CN203536989U (en) 2014-04-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320495298.9U Expired - Fee Related CN203536989U (en) 2013-08-14 2013-08-14 Multifunctional mobile power supply

Country Status (1)

Country Link
CN (1) CN203536989U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105322576A (en) * 2014-06-12 2016-02-10 惠州市德赛工业发展有限公司 Mobile power supply with rapid charging function
CN107323281A (en) * 2017-06-26 2017-11-07 深圳前海优时科技有限公司 A kind of portable multi-purpose portable power source

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105322576A (en) * 2014-06-12 2016-02-10 惠州市德赛工业发展有限公司 Mobile power supply with rapid charging function
CN107323281A (en) * 2017-06-26 2017-11-07 深圳前海优时科技有限公司 A kind of portable multi-purpose portable power source
CN107323281B (en) * 2017-06-26 2021-03-16 深圳前海优时科技有限公司 Portable multipurpose portable power source

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140409

Termination date: 20140814

EXPY Termination of patent right or utility model