CN203312866U - Mobile power supply - Google Patents
Mobile power supply Download PDFInfo
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- CN203312866U CN203312866U CN2013203448345U CN201320344834U CN203312866U CN 203312866 U CN203312866 U CN 203312866U CN 2013203448345 U CN2013203448345 U CN 2013203448345U CN 201320344834 U CN201320344834 U CN 201320344834U CN 203312866 U CN203312866 U CN 203312866U
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- Prior art keywords
- storage battery
- output interface
- module
- electronic switch
- energy storage
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Abstract
The utility model discloses a mobile power supply. The mobile power supply comprises a charging control module connected with an external direct current power supply, a storage battery connected with the charging control module, an output interface connected with an external electrical appliance, a boosting module which is connected in series between a positive pole of the storage battery and an output interface, an electronic switch which is connected in series between the output interface and ground, and a MCU control unit used for controlling the switching on and switching off of the electronic switch; and the negative pole of the storage battery is grounded. Compared with the prior art, according to the mobile power supply of the utility model, a boosting mode is adopted to convert the electric energy in the storage battery, and the converted electric energy in the storage battery is transferred to an electronic product, and therefore, requirements for electrical core materials of the storage battery are lowered, and product cost can be reduced; and at the same time, a liquid crystal display screen can display operation information, which greatly facilitates operation and control.
Description
Technical field
The utility model relates to portable power source, relates in particular to a kind of portable power source with the boosting mode power supply.
Background technology
For the long-time portable type electronic product that uses, people have higher requirement to the capacity of its battery.In order to improve the flying power of portable type electronic product, the portable power source to its charging has been released in market.Existing portable power source mainly is comprised of storage battery and reduction voltage circuit, and the electric energy in storage battery flows to after step-down takes the formula electronic product.The defect of this kind portable power source is higher to the battery core material requirements of storage battery, and product cost is corresponding higher.
The utility model content
The utility model is the problems referred to above that will solve prior art, proposes the portable power source with the boosting mode power supply.
For solving the problems of the technologies described above, the technical scheme the utility model proposes is a kind of portable power source of design, it comprises: connect external dc power charge control module, connect charge control module energy storage battery, connect outside electrical equipment output interface, be serially connected in boost module between energy storage battery positive pole and output interface, be serially connected in electronic switch between output interface and ground, control the MCU control unit of electronic switch break-make, the energy storage battery minus earth.
Between described energy storage battery negative pole and ground, be connected in series protection switch, the control end of protection switch connects battery protection module, and the signals collecting end of battery protection module connects the positive and negative electrode of energy storage battery.
Described electronic switch connects current detection module, and the output current that current detection module will detect is transferred to the MCU control unit.
Described output interface comprises the first output interface and the second output interface, described electronic switch comprises the first electronic switch be connected with the first output interface and the second electronic switch be connected with the second output interface, and the control end of first, second electronic switch also connects the described MCU control unit of rear connection.
Described MCU control unit connects one in order to show the LCD MODULE of energy storage battery capacity.
Described MCU control unit connects a lighting module.
Compared with prior art, the utility model adopts boosting mode by after the conversion of the electric energy in storage battery, flowing to electronic product, has reduced the requirement to the storage battery core material, reduces product cost; Liquid crystal display screen energy display operation information, be very easy to operation and control simultaneously.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in detail, wherein:
Fig. 1 is the theory diagram of the utility model preferred embodiment;
Fig. 2 is the utility model preferred embodiment charge control module circuit diagram;
Fig. 3 is the circuit diagram of the utility model preferred embodiment output interface;
Fig. 4 is the circuit diagram of the utility model preferred embodiment boost module;
Fig. 5 is the circuit diagram of the utility model preferred embodiment electronic switch;
Fig. 6 is the circuit diagram of the utility model preferred embodiment MCU control unit;
Fig. 7 is the circuit diagram of the utility model preferred embodiment protection switch and battery protection module;
Fig. 8 is the circuit diagram of the utility model preferred embodiment current detection module;
Fig. 9 is the circuit diagram of the utility model preferred embodiment LCD MODULE;
Figure 10 is the circuit diagram of the utility model preferred embodiment lighting module.
Embodiment
The utility model has disclosed a kind of portable power source, theory diagram referring to the preferred embodiment shown in Fig. 1, it comprises: connect external dc power charge control module, connect charge control module energy storage battery, connect outside electrical equipment output interface, be serially connected in boost module between energy storage battery positive pole and output interface, be serially connected in electronic switch between output interface and ground, control the MCU control unit of electronic switch break-make, the energy storage battery minus earth.
Charge control module manages charging, and referring to the charge control module circuit diagram shown in Fig. 2, in figure, USB3 is for connecting the interface of external dc power, and U5 is charge controlling chip, and its 4th pin connects external dc power, and the 5th pin charges to energy storage battery.Electric energy in the energy storage battery charging is powered to output interface through boost module.Fig. 3 shows the circuit diagram of output interface in preferred embodiment, and output interface comprises USB1, the USB2 of two parallel connections.Fig. 4 shows the circuit diagram of boost module, boost module is mainly by driving chip U3, switching tube Q3, inductance L 1, diode (D1, D2, D3), electric capacity (C3, C12) formation, drive chip U3 and send the Q3 conducting of driving pulse control switch pipe and cut-off, make inductance L 1 left side produce high pressure, after the capacitor filtering voltage stabilizing, export positive 5 volts of direct voltages.Positive 5 voltages are added to the 1st pin of output interface USB1, USB2, and pin 4 is by electronic switch ground connection, can form discharge loop after plugging outside electrical equipment.Fig. 5 is the circuit diagram of preferred embodiment electronic switch.In figure, Q4 is MOS switch module, and two MOS switches are inside arranged, and the drain electrode of two MOS switches connects and connects respectively 4, two source electrodes of output interface pin respectively by R15 and the R16 ground connection of current sense resistor R11, parallel connection.After the grid parallel connection of two MOS, connect the 3rd pin of MCU control unit.Fig. 6 shows the circuit diagram of preferred embodiment MCU control unit, and in figure, U1 is the MCU chip, and whether the break-make that it controls electronic switch Q4 has namely controlled externally transmission of electric energy.Another MCU chip U1 needs the working power of 3V, so on energy storage battery, connect a direct current voltage stabilizing chip U4, its output pin is to the 20th pin output 3V direct current of U1.
For fear of energy storage battery, overcharge and cross and put; referring to the preferred embodiment shown in Fig. 7; between energy storage battery negative pole and ground, be connected in series protection switch Q1; Q1 is the MOS switch module of two series connection; the control end of MOS switch connects battery protection module; battery protection module is a voltage protection chip, even its 5th, the 6th pin power end is also the signals collecting end, connects the positive and negative electrode of energy storage battery.While normally discharging and recharging, the Q1 conducting, discharge and recharge and form loop; When energy storage battery overcharged or excessively puts, the voltage protection chip sent control signal and makes the Q1 cut-off, blocked to discharge and recharge to form loop, the protection energy storage battery.
For increasing overcurrent protection function, electronic switch connects current detection module in preferred embodiment.Referring to Fig. 8, current detection module mainly comprises current detecting chip U6, and the 3rd, the 5th pin of U6 is the signals collecting end, and it is connected to respectively the end of R11 and R15 in Fig. 5, the the 1st, the 7th pin of U6 is signal output part, and its output current signal that will detect respectively is transferred to the MCU control unit.
For promoting charge efficiency, reduce the time of waiting in line to charge, in the preferred embodiment shown in Fig. 3, output interface comprises the first output interface and the second output interface, can give simultaneously two electrical equipment chargings.Referring to Fig. 5, electronic switch also comprises the first electronic switch be connected with the first output interface and the second electronic switch be connected with the second output interface, and the control end of first, second electronic switch also connects the described MCU control unit of rear connection, namely connects the 2nd pin of U1.
In preferred embodiment, the MCU control unit connects one in order to show the LCD MODULE of energy storage battery capacity.Referring to Fig. 9, under the control of U1, liquid crystal chip in order to the capacity, which interface of USB1, USB2 that show energy storage battery is being transmitted electricity, and LED6 provides backlight for liquid crystal chip.
In preferred embodiment, the MCU control unit connects lighting module.Referring to Figure 10 lighting module, mainly comprise lighting switch K1 and LED5, during use, press K1, the 19th pin ground connection of U1, the 5th human hair combing waste of U1 goes out high level, the Q5 conducting, the LED5 electrified light emitting, for the user provides illumination.
Above embodiment is only for illustrating, non-providing constraints.Anyly do not break away from the application's spirit and category, and, to its equivalent modifications of carrying out or change, all should be contained among the application's claim scope.
Claims (6)
1. portable power source, it is characterized in that, comprise: connect external dc power charge control module, connect charge control module energy storage battery, connect outside electrical equipment output interface, be serially connected in boost module between energy storage battery positive pole and output interface, be serially connected in electronic switch between output interface and ground, control the MCU control unit of electronic switch break-make, the energy storage battery minus earth.
2. portable power source as claimed in claim 1, is characterized in that, is connected in series protection switch between described energy storage battery negative pole and ground, and the control end of protection switch connects battery protection module, and the signals collecting end of battery protection module connects the positive and negative electrode of energy storage battery.
3. portable power source as claimed in claim 2, is characterized in that, described electronic switch connects current detection module, and the output current that current detection module will detect is transferred to the MCU control unit.
4. portable power source as claimed in claim 3, it is characterized in that, described output interface comprises the first output interface and the second output interface, described electronic switch comprises the first electronic switch be connected with the first output interface and the second electronic switch be connected with the second output interface, and the control end of first, second electronic switch also connects the described MCU control unit of rear connection.
5. portable power source as claimed in claim 4, is characterized in that, described MCU control unit connects one in order to show the LCD MODULE of energy storage battery capacity.
6. portable power source as claimed in claim 5, is characterized in that, described MCU control unit connects a lighting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203448345U CN203312866U (en) | 2013-06-17 | 2013-06-17 | Mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203448345U CN203312866U (en) | 2013-06-17 | 2013-06-17 | Mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312866U true CN203312866U (en) | 2013-11-27 |
Family
ID=49619041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203448345U Expired - Lifetime CN203312866U (en) | 2013-06-17 | 2013-06-17 | Mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618353A (en) * | 2013-11-28 | 2014-03-05 | 深圳市劲力思特科技有限公司 | Battery monitoring circuit |
| CN105610220A (en) * | 2016-01-25 | 2016-05-25 | 苏黎 | Charge and discharge circuit for mobile terminal and mobile terminal |
| CN106452290A (en) * | 2016-11-23 | 2017-02-22 | 深圳市虹果节能有限公司 | Solar energy storage system and method thereof |
-
2013
- 2013-06-17 CN CN2013203448345U patent/CN203312866U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618353A (en) * | 2013-11-28 | 2014-03-05 | 深圳市劲力思特科技有限公司 | Battery monitoring circuit |
| CN105610220A (en) * | 2016-01-25 | 2016-05-25 | 苏黎 | Charge and discharge circuit for mobile terminal and mobile terminal |
| CN106452290A (en) * | 2016-11-23 | 2017-02-22 | 深圳市虹果节能有限公司 | Solar energy storage system and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GOLF FEIHUANG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HUANG FEI Effective date: 20141226 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141226 Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong Street Fuhai Fuhai Avenue Industrial Park area C building C8 Patentee after: SHENZHEN GOLF & FEIHUANG TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Fuyong Fuhai Industrial Zone C building C8 Patentee before: Huang Fei |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
|
| CX01 | Expiry of patent term |