CN205544425U - Two -way portable power source that fills soon - Google Patents
Two -way portable power source that fills soon Download PDFInfo
- Publication number
- CN205544425U CN205544425U CN201620138842.8U CN201620138842U CN205544425U CN 205544425 U CN205544425 U CN 205544425U CN 201620138842 U CN201620138842 U CN 201620138842U CN 205544425 U CN205544425 U CN 205544425U
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- input
- circuit
- power source
- portable power
- output
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a two -way portable power source that fills soon, including protection shield and the series connection portable power source that more than one rechargeable battery on the protection shield constitutes that connects in parallel, be provided with on the protection shield and start button, output interface and input interface, does the input interface include DC input, tapy C and the input of M icro USB, the output interface is the output of USB mouth, including MCU, charging circuit, lithium battery protection circuit and discharge circuit in the protection shield, charging circuit passes through MCU control input and output, and charging circuit's current output terminal is connected to lithium battery protection circuit's input, and the circuit arrangement that discharges controls through MCU in lithium battery protection circuit's output. The utility model discloses when charging current increases with the multiple, utilize the series system to improve charging voltage, the input power who has improved in the unit interval promptly, realized being full of in 60 minutes the function of the digital accessory group battery of 20000 milliamperes of capacity within and.
Description
Technical field
This utility model relates to a kind of two-way fast charging type portable power source.
Background technology
Along with the high speed development of the products such as all kinds of mobile intelligent terminals such as mobile phone, panel computer, camera is with universal, use mobile phone
The people of online has become as normality, and the battery of this series products cannot meet the demand of people, and portable power source is the most extensively subject to
Everybody likes, although but existing portable power source product capacity has accomplished 10000mA even 20000mA, but with 5V/1A
Or the charger of 2A is often required for about 2-10 hour or even longer to their own charging, use very inconvenient.
And support the mobile phone that fills soon much in the market, technology of filling soon has been tied and has been developed rapidly.The most a possess two-way soon
The portable power source filled has been the demand that people are the most urgent.
Summary of the invention
Technical problem to be solved in the utility model is to provide within one can realize 60 minutes and is full of 20000 milliamperes
Capacity and within two-way fast charging type portable power source.
This utility model is achieved through the following technical solutions: a kind of two-way fast charging type portable power source, including protection board
And the portable power source of the more than one rechargeable battery composition that series and parallel is on protection board, described protection board is provided with startup
Button, output interface and input interface, described input interface includes that DC Yu Tapy-C input inputs with Micro USB, described defeated
Outgoing interface is USB port output；
Including MCU, charging circuit, lithium battery protection circuit and discharge circuit in described protection board, charging circuit passes through
MCU controls input and output, and the input of lithium battery protection circuit connects the current output terminal of charging circuit, and discharge circuit is arranged
In the outfan of lithium battery protection circuit and controlled by MCU.
As preferred technical scheme, described rechargeable battery is high-rate type battery core, and more than one rechargeable battery passes through
Lithium battery protection circuit is protected.
As preferred technical scheme, described charging circuit includes conventional charge circuits and quick-charging circuit.
As preferred technical scheme, it is provided with electricity switch outside described portable power source and for showing the LED of electricity
Electricity display lamp, described LED electricity display lamp is provided with more than one.
As preferred technical scheme, the input port terminal voltage of described DC Yu Tapy-C input supports 12V-20V voltage, defeated
Entering electric current is that the input of 5V/1A-3A charger is supported in 2A-6A, Micro USB input.
The beneficial effects of the utility model are: this utility model uses series connection to add the compound mode of parallel connection, in parallel may be used
To increase the capacity of portable power source, series connection then makes the voltage of portable power source raise, and either series connection or parallel connection are all to increase
The power of product is equal to increase capacity.
By two above aspect, the digital accessory set of cells product of this programme charging current with multiple increase same
Time, utilize series system to improve charging voltage, be i.e. to improve the input power in the unit interval, it is achieved that fill in 60 minutes
Full 20000 milliamperes of capacity and within the function of digital accessory set of cells.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is entire block diagram of the present utility model；
Fig. 2 is the circuit block diagram of protection board；
Fig. 3 is circuit theory diagrams of the present utility model.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Any feature disclosed in this specification (including any accessory claim, summary and accompanying drawing), unless chatted especially
State, all can be by other equivalences or there is the alternative features of similar purpose replaced.I.e., unless specifically stated otherwise, each feature is only
It it is an example in a series of equivalence or similar characteristics.
As shown in Figure 1 and Figure 2, the two-way fast charging type portable power source of one of the present utility model, including protection board and series and parallel in
The portable power source of more than one rechargeable battery 5 composition on protection board 1, described protection board is provided with startup button 2, output
Interface 3 and input interface 4, described input interface includes that DC input inputs with Micro USB, and described output interface is that USB port is defeated
Go out；
Including MCU, charging circuit, lithium battery protection circuit and discharge circuit in described protection board, charging circuit passes through
MCU controls input and output, and the input of lithium battery protection circuit connects the current output terminal of charging circuit, and discharge circuit is arranged
In the outfan of lithium battery protection circuit and controlled by MCU.
In the present embodiment, rechargeable battery is high-rate type battery core, and more than one rechargeable battery is by li-ion cell protection electricity
Road is protected, and uses high-rate type battery core, maximum support 10C electric current charging, solves the many times of electricity that common lithium battery can not be supported
Ensureing the conversion efficiency of battery while current charge, can support that 1-10C charges, 1-50C discharges.
In the present embodiment, charging circuit includes conventional charge circuits and quick-charging circuit.It is provided with outside portable power source
Electricity switchs and for showing the LED electricity display lamp of electricity, described LED electricity display lamp is provided with more than one, in difference
Each LED the brightest or go out, to represent the electricity that now portable power source is remaining under electricity.Such as Full Charge Capacity is five lamps
Bright, and extinguish without all lamps during electricity.
In the present embodiment, the input port terminal voltage of DC input supports 12V-20V voltage, and input current is 2A-6A, applicable
Car fills and notebook adapters charging；Micro USB input support 5V/1A-3A charger input, can use charger for mobile phone,
Computer USB interfaces etc. charge.
The way of output: this utility model is USB port output, is defaulted as 5V/3A output compatible QC2.0 quick charge association
View,
As it is shown on figure 3, DC-015L6S is charging input port, by Q1, L1, Q2, QC form the charging PWM electricity of a price reduction
Road, is converted into input voltage 12.6V and delivers to the P+ of protection circuit, is then sent to B+ to the battery charging of series connection.
1.1, charging voltage detection triggers with charging: after DC-015L6S receives input voltage, R45 with R50 dividing potential drop take
The VCH of U8 delivered to by sample, the sampling of R46, R51 dividing potential drop control Q18 and triggering signal sends to the PIN11 (INC1) of U8. work as U8
Receive triggering signal and detect voltage when rated range, 16 feet (PWM2) of U8 control Q7 and open charging pwm circuit, start
Charging.
1.2, charging overvoltage protection: U3, U6, U7 by other peripheral cell of DO foot control system finally by U8 charge closing PWM
Circuit.When detection to B+, when in B2+, B1+, the voltage of certain economize on electricity core is beyond 4.25V voltage, signal is passed by Q12, Q15 respectively
Passing 15 feet (OD) of U8,14 feet (OC) .U8 passes through 16 feet (PWM2) charge closing pwm circuit；The C pole tension quilt of Q19 simultaneously
Drag down, drive the B pole tension of Q7 to drag down, thus also function to the effect of charge closing pwm circuit.
1.3, charging overcurrent protection: R54 is charging current sample resistance, when electric current is more than rated value, by the 1 of U5A
Foot, passes to 3 feet (ICH) of U8 by signal, and U8 passes through 16 feet (PWM2) charge closing pwm circuit.
2, discharge circuit: U1, U1, L2, Q8 composition output pwm circuit, battery core voltage is converted to standard 5V, then by them
Exported by J2 (USB port)；U2 is QC2.0 communication chip, by D+, D-be supported on seal hands success after, adjust output voltage
To 9V.
2.1, output triggers: after J2 accesses load, the voltage of 1 foot of J2 can produce change, simultaneously this change in voltage meeting
Being transferred to 6 feet (LDT) of U8, then U8 opens output PWM by 5 feet (EN1).
2.3, Cross prevention: U3, U6, U7 by other peripheral cell of DO foot control system finally by U8 charge closing pwm circuit.
When detection to B+, in B2+, B1+, the voltage of certain economize on electricity core is beyond during less than battery core 2.8V voltage, and Q12, Q15 are respectively by signal
Passing to 15 feet (OD) of U8,14 feet (OC) .U8 closes output PWM by 5 feet (EN1).
2.4, overcurrent protection/short-circuit protection: R31 is output current sampling resistor, when electric current is more than rated value, passes through
7 feet of U5B, pass to 2 feet (IUOT) of U8 by signal, and U8 closes electric discharge pwm circuit by 5 feet (EN1).
3, electricity shows: D5, D6, D7 by U8 control, measure when different electricity and go out, to be stored up in representing this power supply respectively
The electricity deposited.
4, starting button: S1 is the button of this portable power source, pushes button and can light LED, consults this portable power source current
The electricity stored；The most then can be waken up such as portable power source the most when a key is pressed.
The beneficial effects of the utility model are: this utility model uses series connection to add the compound mode of parallel connection, in parallel may be used
To increase the capacity of portable power source, series connection then makes the voltage of portable power source raise, and either series connection or parallel connection are all to increase
The power of product is equal to increase capacity.
By two above aspect, the digital accessory set of cells product of this programme charging current with multiple increase same
Time, utilize series system to improve charging voltage, be i.e. to improve the input power in the unit interval, it is achieved that fill in 60 minutes
Full 20000 milliamperes of capacity and within the function of digital accessory set of cells.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to
In this, any change expected without creative work or replacement, all should contain within protection domain of the present utility model.
Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims are limited.
Claims (5)
1. a two-way fast charging type portable power source, it is characterised in that: include protection board and series and parallel on protection board with
On the portable power source of rechargeable battery composition, described protection board is provided with startup button, output interface and input interface, described
Input interface includes DC input, Tapy-C input and Micro USB, and described output interface is USB port output；
Including MCU, charging circuit, lithium battery protection circuit and discharge circuit in described protection board, charging circuit is controlled by MCU
System input and output, the input of lithium battery protection circuit connects the current output terminal of charging circuit, and discharge circuit is arranged at lithium
The outfan of battery protecting circuit is also controlled by MCU.
Two-way fast charging type portable power source the most according to claim 1, it is characterised in that: described rechargeable battery is high-rate type electricity
Core, more than one rechargeable battery is protected by lithium battery protection circuit.
Two-way fast charging type portable power source the most according to claim 1, it is characterised in that: described charging circuit includes normal charge
Circuit and quick-charging circuit.
Two-way fast charging type portable power source the most according to claim 1, it is characterised in that: it is provided with electricity outside described portable power source
Amount switchs and for showing the LED electricity display lamp of electricity, described LED electricity display lamp is provided with more than one.
Two-way fast charging type portable power source the most according to claim 1, it is characterised in that: the input of described DC Yu Tapy-C input
Mouth terminal voltage supports 12V-20V voltage, and input current is that the input of 5V/1A-3A charger is supported in 2A-6A, Micro USB input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138842.8U CN205544425U (en) | 2016-02-24 | 2016-02-24 | Two -way portable power source that fills soon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138842.8U CN205544425U (en) | 2016-02-24 | 2016-02-24 | Two -way portable power source that fills soon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544425U true CN205544425U (en) | 2016-08-31 |
Family
ID=56777962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620138842.8U Expired - Fee Related CN205544425U (en) | 2016-02-24 | 2016-02-24 | Two -way portable power source that fills soon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544425U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451609A (en) * | 2016-09-08 | 2017-02-22 | 上海斐讯数据通信技术有限公司 | Charging method and system of mobile terminal and mobile terminal |
| CN107240948A (en) * | 2017-08-07 | 2017-10-10 | 东莞博力威新能源有限公司 | Portable energy-storing battery charge-discharge control method and system |
| CN107482735A (en) * | 2017-09-25 | 2017-12-15 | 深圳方电科技有限公司 | A kind of four fixed identifying code chargers |
-
2016
- 2016-02-24 CN CN201620138842.8U patent/CN205544425U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451609A (en) * | 2016-09-08 | 2017-02-22 | 上海斐讯数据通信技术有限公司 | Charging method and system of mobile terminal and mobile terminal |
| CN107240948A (en) * | 2017-08-07 | 2017-10-10 | 东莞博力威新能源有限公司 | Portable energy-storing battery charge-discharge control method and system |
| CN107240948B (en) * | 2017-08-07 | 2020-07-10 | 东莞博力威新能源有限公司 | Portable energy storage battery charging and discharging control method and system |
| CN107482735A (en) * | 2017-09-25 | 2017-12-15 | 深圳方电科技有限公司 | A kind of four fixed identifying code chargers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |