CN203312843U - Multifunctional mobile power supply - Google Patents
Multifunctional mobile power supply Download PDFInfo
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- CN203312843U CN203312843U CN2013202565835U CN201320256583U CN203312843U CN 203312843 U CN203312843 U CN 203312843U CN 2013202565835 U CN2013202565835 U CN 2013202565835U CN 201320256583 U CN201320256583 U CN 201320256583U CN 203312843 U CN203312843 U CN 203312843U
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- power source
- portable power
- multifunctional portable
- control unit
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Abstract
The utility model discloses a multifunctional mobile power supply, which comprises an external housing (10). The multifunctional mobile power supply further comprises a control system (20) and a battery core (30) arranged inside the external housing (10). The control system (20) comprises a power supply input unit (21), a charging unit (22) and a battery protecting unit (23) which are sequentially connected. The control system further comprises a discharge unit (25) arranged between the battery protecting unit (23) and a power supply output interface (24). The charging unit (22) is a boost circuit. The discharge unit (25) is a voltage reduction circuit. The mobile power supply can provide 5-volt 2.1-ampere rated outputs. Furthermore, the mobile power supply has an LED electric torch function and a laser indication function with rated power below 1mW. Multifunctional using demands are thus satisfied.
Description
Technical field
The utility model relates to power technology, the portable power source technology of particularly charging for miniaturized electronics.
Background technology
At present, some are for the portable power source of digital products on the market, and charging is adopted linear charge modes more, and stricter to input requirements, when input voltage was too high, charge efficiency was low, and caloric value is large; When input voltage was too low, portable power source can not be full of.In addition, the function of portable power source is also more single, affects its use.
Summary of the invention
The utility model provides a kind of multi-functional portable power source, adopts the form of PWM boost charge and synchronous rectification reduced output voltage, solves in prior art the too high technical problem of power supply input requirements.
The utility model is to solve the problems of the technologies described above this Multifunctional portable power source designed; the control system and the battery battery core that comprise shell body and be placed in this shell body; described control system comprises power input unit, charhing unit and the battery protection unit connected successively, also further comprises the discharge cell be arranged between battery protection unit and power output interface.
Described charhing unit is booster circuit, described discharge cell is reduction voltage circuit, described charhing unit is the booster circuit of PWM standard, and discharge cell comprises synchronous rectification reduction voltage circuit and constant current control unit, and described constant current control unit connects respectively synchronous rectification reduction voltage circuit and power output interface.Described control system also comprises control unit, and described power input unit, charhing unit, battery protection unit, power output interface and discharge cell connect this control unit respectively, and described control unit is single-chip microcomputer.
This portable power source also comprises the lighting unit that is arranged at shell body one end, and this lighting unit is controlled by described control unit, and the light source of described lighting unit is laser lamp or LED lamp, and described control system also comprises the electric weight display unit that connects described control unit.
Portable power source of the present utility model can provide the specified output of 5V 2.1A, in addition also with LED flashlight function and the following laser lamp deixis of specified 1mW.Meet multi-functional user demand.
The accompanying drawing explanation
Fig. 1 is the perspective exploded view of the utility model portable power source.Fig. 2 is the operation principle block diagram of the utility model portable power source.Fig. 3 is the schematic diagram of the utility model charhing unit.Fig. 4 is the schematic diagram of the utility model discharge cell.Fig. 5 is the schematic diagram of the utility model control unit and lighting unit.
Embodiment
In conjunction with above-mentioned accompanying drawing explanation specific embodiment of the utility model.
By as can be known in Fig. 1 to Fig. 5; control system 20 and battery battery core 30 that this Multifunctional portable power source comprises shell body 10 and is placed in this shell body 10; described control system 20 comprises power input unit 21, charhing unit 22 and the battery protection unit 23 connected successively, also further comprises the discharge cell 25 be arranged between battery protection unit 23 and power output interface 24.Described charhing unit 22 is booster circuit, described discharge cell 25 is reduction voltage circuit, described charhing unit 22 is the booster circuit of PWM standard, described discharge cell 25 comprises synchronous rectification reduction voltage circuit and constant current control unit, described constant current control unit connects respectively synchronous rectification reduction voltage circuit and power output interface 24, described control system 20 also comprises control unit 26, described power input unit 21, charhing unit 22, battery protection unit 23, power output interface 24 and discharge cell 25 connect this control unit 26 respectively, described control unit 26 is single-chip microcomputer.The charging of the utility model portable power source is adopted is that single-chip microcomputer is directly exported PWM and realized boost charge, Q2 Q3 Q4 Q5 Q6 U4 D1 and peripheral cell thereof have formed the PWM control circuit, single-chip microcomputer U4 detects by the AD mouth size that the electric current that flows through R13 judges charging current, detect simultaneously voltage BAT_V and the output voltage V IN_V of battery, with this, control the pulse duration of PWM port, regulate the size of charging current, charging current decides according to input.Charging current 500mA ± 50mA when input 5V is greater than 1A; Charging current 200mA ± 50mA when input 5V is greater than 0.5A.The voltage of charging is 8.4V.When external power source was connected, charging circuit started, and starts to enter charge mode, and now LED1-LED4 lamp shows in the mode of running lamp.LED1, LED2, LED3, LED4 lamp are entirely bright when being full of electricity.The 5VUSB output adopts the high efficiency synchronous rectification scheme: by U1, L3 and peripheral cell have formed step-down synchronous rectification circuit, and conversion efficiency can reach more than 94%, and single-chip microcomputer carries out overcurrent and sleep detection by I_USB Port detecting output current.
As can be known in Fig. 1, Fig. 2 and Fig. 5, this portable power source also comprises the lighting unit 40 that is arranged at shell body 10 1 ends, this lighting unit is controlled by described control unit 26, the light source of described lighting unit 40 is laser lamp 41, the light source of described lighting unit 40 is LED lamp 42, and described control system 20 also comprises the electric weight display unit 27 that connects described control unit 26.LED6, LED7, Q7, the LIGHT ON/OFF2 port of U4 has formed the control circuit of flashlight LED lamp, and during LIGHT ON/OFF2 high level, LED lights.LED5 Q8 and LIGHT ON/OFF1 have formed the control circuit of red laser indicator light, and during LIGHT ON/OFF1 high level, laser lamp is lighted.Single-chip microcomputer U4 and peripheral LED lamp, buttons etc. have formed control circuit, and after pressing switch, this portable power source forwards operating state to by resting state and shows that electric weight is how many.Push button, the LED lamp is lighted according to battery electric quantity.In addition, switch key is long, and 2 White LEDs were lighted by 3 seconds switches, and namely the LED torch function is opened, for the user.If the red laser lamp was lighted by 3 seconds long again, namely can do PPT teaching indication and use.Length was closed by 3 seconds again.Light LED, just by this three state circulation.If both there is no the USB output services, there is no the work of LED flashlight or laser lamp work yet, after 1 minute, can automatically enter park mode, to save battery electric quantity.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. Multifunctional portable power source; it is characterized in that: control system (20) and battery battery core (30) that this portable power source comprises shell body (10) and is placed in this shell body (10); described control system (20) comprises successively the power input unit (21) that connects, charhing unit (22) and battery protection unit (23), also further comprises the discharge cell (25) be arranged between battery protection unit (23) and power output interface (24).
2. Multifunctional portable power source according to claim 1, it is characterized in that: described charhing unit (22) is booster circuit, and described discharge cell (25) is reduction voltage circuit.
3. Multifunctional portable power source according to claim 2, it is characterized in that: described charhing unit (22) is the booster circuit of PWM standard.
4. Multifunctional portable power source according to claim 2, it is characterized in that: described discharge cell (25) comprises synchronous rectification reduction voltage circuit and constant current control unit, and described constant current control unit connects respectively synchronous rectification reduction voltage circuit and power output interface (24).
5. according to the described Multifunctional portable power source of any one in claim 1 to 4; it is characterized in that: described control system (20) also comprises control unit (26), and described power input unit (21), charhing unit (22), battery protection unit (23), power output interface (24) and discharge cell (25) connect this control unit (26) respectively.
6. Multifunctional portable power source according to claim 5, it is characterized in that: described control unit (26) is single-chip microcomputer.
7. Multifunctional portable power source according to claim 5, it is characterized in that: this portable power source also comprises the lighting unit (40) that is arranged at shell body (10) one ends, and this lighting unit is controlled by described control unit (26).
8. Multifunctional portable power source according to claim 7, it is characterized in that: the light source of described lighting unit (40) is laser lamp (41).
9. Multifunctional portable power source according to claim 7, it is characterized in that: the light source of described lighting unit (40) is LED lamp (42).
10. Multifunctional portable power source according to claim 5 is characterized in that: described control system (20) also comprises the electric weight display unit (27) that connects described control unit (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202565835U CN203312843U (en) | 2013-05-13 | 2013-05-13 | Multifunctional mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202565835U CN203312843U (en) | 2013-05-13 | 2013-05-13 | Multifunctional mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312843U true CN203312843U (en) | 2013-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202565835U Expired - Fee Related CN203312843U (en) | 2013-05-13 | 2013-05-13 | Multifunctional mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312843U (en) |
Cited By (1)
| 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 |
-
2013
- 2013-05-13 CN CN2013202565835U patent/CN203312843U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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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: 20131127 Termination date: 20200513 |