CN203800663U - Mobile power supply - Google Patents
Mobile power supply Download PDFInfo
- Publication number
- CN203800663U CN203800663U CN201420155243.8U CN201420155243U CN203800663U CN 203800663 U CN203800663 U CN 203800663U CN 201420155243 U CN201420155243 U CN 201420155243U CN 203800663 U CN203800663 U CN 203800663U
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- China
- Prior art keywords
- module
- charging
- pin
- detection module
- input interface
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a mobile power supply and especially relates to the mobile power supply capable of selecting an optimum charging mode intelligently according to the external different power inputs. A charging module, a storage battery protection module and an output voltage conversion module are connected in series; the storage battery protection module is connected with a built-in storage battery; the built-in storage battery is connected with a central processor module through a storage battery voltage detection module; a charging management module is connected with a charging input interface; a charging current detection module is connected in series between the charging management module and the charging input interface, and a charging voltage detection module is connected in parallel between the charging management module and the charging input interface; the charging voltage detection module and the charging current detection module are connected with a central processor; and an electric quantity display module is connected with the central processor module. With the above structure, the purpose of quick charging is realized. The mobile power supply has multiple safety precautions, thereby protecting the circuits effectively, and enabling the power supply to work stably.
Description
Technical field
The utility model relates to a kind of portable power source, particularly a kind of can be according to the portable power source of the optimum charge mode of the different electric energy in external world input intelligent selection.
Background technology
Portable power source is a kind of power supply and portable charger of charge function of integrating, and can power to the latter's standby of charging whenever and wherever possible of the digital equipments such as mobile phone.Generally by lithium battery or dry cell as charge storage unit, practical and convenient quick.
The quality of portable power source mainly depends on energy conversion rate and discharge curve, the conversion efficiency of high-quality portable power source can reach 80% left and right, common in 70-75% left and right, poor even only has 30%, as transfer ratio means that lower than 75% portable power source line loss is larger, the caloric value of battery core itself is also large, also large to the injury of mobile phone itself.Discharge curve is the closer to normal voltage, and the less quality that fluctuates is better, the curve of final stage particularly, and some portable power sources are crossed and are put increase transfer ratio by low pressure, can shorten like this life-span of battery core.
Summary of the invention
The utility model technical issues that need to address are to provide a kind of portable power source of intelligent quick charge.
For solving above-mentioned technical problem, a kind of portable power source of the present utility model comprises charging voltage detection module, charging current detection module, CPU module, charge management module, accumulator protecting module, output voltage modular converter, electricity quantity display module and internal battery, described charging module, accumulator protecting module, output voltage modular converter are connected in series successively, described accumulator protecting module is connected with internal battery, and described internal battery is connected with CPU module by battery tension detection module; Described charge management module is connected with charging input interface, serial connection charge current detection module and be parallel with charging voltage detection module between described charge management module and charging input interface, described charging voltage detection module is connected with central processing unit with charging current detection module, described electricity quantity display module is connected with CPU module, described in produce voltage transformation module and be connected with output interface.
Further, described charge management module comprises charging management chip U1, the VCC pin of described U1 and CE pin are by filter capacitor C1 ground connection, described VCC pin is connected with anti-reverse charging diode D3, the CHRG of described U1 and STDBY are connected with charged state display circuit, and the described charged state display circuit other end is connected with charging input interface with D3 anode; The BAT pin of described U1 is charge management module output, and the GND pin of described U1 and TEMP pin ground connection, be connected with filter capacitor C2 between described BAT pin and GND pin, and the PROG pin of described U1 is connected with resistance R 3.
Further, described charged state display circuit is the series circuit of light-emitting diode and resistance, and described light-emitting diodes tube anode is connected with charging input interface.
Further, described charge management module also comprises charging current selection chip U2, the pin A of described U2 is connected with CPU module with B, the output of described U2 is connected with the PROG pin of U1 by resistance R 1, R2, R4, R5 respectively, and the other end of described resistance R 3 is connected with the Y pin of U2.
Adopt after said structure, according to different input voltages, current intelligent, select optimum charging scheme, make the charging input that this portable power source both can compatible different size, can reach again the object of quick charge.This portable power source has maltilevel security safeguard measure, and effective protective circuit makes the power supply can steady operation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the electrical block diagram of this portable power source charge management module.
Fig. 3 is the charge mode selecting circuit structure schematic diagram of this portable power source charge management module.
Embodiment
As shown in Figure 1, a kind of portable power source of the present utility model comprises charging voltage detection module, charging current detection module, CPU module, charge management module, accumulator protecting module, output voltage modular converter, electricity quantity display module and internal battery, described charging module, accumulator protecting module, output voltage modular converter are connected in series successively, described accumulator protecting module is connected with internal battery, and described internal battery is connected with CPU module by battery tension detection module; Described charge management module is connected with charging input interface, serial connection charge current detection module and be parallel with charging voltage detection module between described charge management module and charging input interface, described charging voltage detection module is connected with central processing unit with charging current detection module, described electricity quantity display module is connected with CPU module, the described voltage transformation module that produces is connected with output interface, and the output interface is here 5V output interface.
As shown in Figure 2, charge management module described in the utility model comprises charging management chip U1, the VCC pin of described U1 and CE pin are by filter capacitor C1 ground connection, described VCC pin is connected with anti-reverse charging diode D3, the CHRG of described U1 and STDBY are connected with charged state display circuit, and the described charged state display circuit other end is connected with charging input interface with D3 anode; The BAT pin of described U1 is charge management module output, and the GND pin of described U1 and TEMP pin ground connection, be connected with filter capacitor C2 between described BAT pin and GND pin, and the PROG pin of described U1 is connected with resistance R 3.Further, described charged state display circuit is the series circuit of light-emitting diode and resistance, and described light-emitting diodes tube anode is connected with charging input interface.
Further, described charge management module also comprises charging current selection chip U2, the pin A of described U2 is connected with CPU module with B, the output of described U2 is connected with the PROG pin of U1 by resistance R 1, R2, R4, R5 respectively, and the other end of described resistance R 3 is connected with the Y pin of U2.Any resistance in voltage and current data selection Fig. 3 that CPU module gathers according to the charging voltage detection module between charging input interface in Fig. 1 and charge management module and charging current detection module in R1, R2, R3 and R4 is programmed to charging current, thereby both can guarantee when solar panel power output is lower can be lithium cell charging, by can so that charging input power when enough with maximum charging current for charging.
In Fig. 1, accumulator protecting module is mainly responsible for built-in lithium battery to protect, and prevents from overcharging, the situation such as overdischarge, overcurrent, short circuit occurs.This module Real-Time Monitoring lithium battery voltage, if lithium battery voltage detects voltage in overcharging and overdischarge detects between voltage, normally works; If lithium battery forces down in overdischarge and detects voltage and continue for some time, cut off discharge loop, when cell voltage, get back to overdischarge release voltage when above, get back to normal operating conditions; If lithium battery voltage detects voltage and continues for some time higher than overcharging, cut off charge circuit, when cell voltage, get back to the release voltage that overcharges when following, get back to normal operating conditions.This accumulator protecting module is monitored charging and discharging lithium battery electric current simultaneously, and observation process answers the resistance of input pin setting to realize by chip power influenza.When battery both end voltage overrun, protection chip cuts off lithium cell charging or discharge loop, thereby plays the object of effective protection lithium battery.
In Fig. 1, electricity quantity display module is mainly responsible for and user interactions, and current electric quantity is shown by Light-Emitting Diode.This module is connected with CPU module, when user presses electric weight the Show Button, central processing unit captures This move, and judges current accumulator electric-quantity according to the battery tension value of battery tension detection module feedback, displays it by light-emitting diode simultaneously.
Claims (4)
1. a portable power source, it is characterized in that: comprise charging voltage detection module, charging current detection module, CPU module, charge management module, accumulator protecting module, output voltage modular converter, electricity quantity display module and internal battery, described charging module, accumulator protecting module, output voltage modular converter are connected in series successively, described accumulator protecting module is connected with internal battery, and described internal battery is connected with CPU module by battery tension detection module; Described charge management module is connected with charging input interface, serial connection charge current detection module and be parallel with charging voltage detection module between described charge management module and charging input interface, described charging voltage detection module is connected with central processing unit with charging current detection module, described electricity quantity display module is connected with CPU module, described in produce voltage transformation module and be connected with output interface.
2. according to a kind of portable power source claimed in claim 1, it is characterized in that: described charge management module comprises charging management chip U1, the VCC pin of described U1 and CE pin are by filter capacitor C1 ground connection, described VCC pin is connected with anti-reverse charging diode D3, the CHRG of described U1 and STDBY are connected with charged state display circuit, and the described charged state display circuit other end is connected with charging input interface with D3 anode; The BAT pin of described U1 is charge management module output, and the GND pin of described U1 and TEMP pin ground connection, be connected with filter capacitor C2 between described BAT pin and GND pin, and the PROG pin of described U1 is connected with resistance R 3.
3. according to a kind of portable power source claimed in claim 2, it is characterized in that: described charged state display circuit is the series circuit of light-emitting diode and resistance, described light-emitting diodes tube anode is connected with charging input interface.
4. according to a kind of portable power source described in claim 2 or 3, it is characterized in that: described charge management module also comprises charging current selection chip U2, the pin A of described U2 is connected with CPU module with B, the output of described U2 is connected with the PROG pin of U1 by resistance R 1, R2, R4, R5 respectively, and the other end of described resistance R 3 is connected with the Y pin of U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155243.8U CN203800663U (en) | 2014-04-01 | 2014-04-01 | Mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155243.8U CN203800663U (en) | 2014-04-01 | 2014-04-01 | Mobile power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203800663U true CN203800663U (en) | 2014-08-27 |
Family
ID=51382851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420155243.8U Expired - Fee Related CN203800663U (en) | 2014-04-01 | 2014-04-01 | Mobile power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203800663U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539019A (en) * | 2014-12-31 | 2015-04-22 | 国家电网公司 | Solar charging and reverse charging protection system |
| CN105024431A (en) * | 2015-07-30 | 2015-11-04 | 安徽中杰信息科技有限公司 | Battery charging circuit and charging method thereof |
| CN105305547A (en) * | 2015-10-29 | 2016-02-03 | 深圳市宏拓通达电子科技有限公司 | Intelligent adaptive rapid charging power bank |
| CN105375571A (en) * | 2015-11-28 | 2016-03-02 | 芜湖迈特电子科技有限公司 | Quick charging portable power supply |
-
2014
- 2014-04-01 CN CN201420155243.8U patent/CN203800663U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539019A (en) * | 2014-12-31 | 2015-04-22 | 国家电网公司 | Solar charging and reverse charging protection system |
| CN105024431A (en) * | 2015-07-30 | 2015-11-04 | 安徽中杰信息科技有限公司 | Battery charging circuit and charging method thereof |
| CN105305547A (en) * | 2015-10-29 | 2016-02-03 | 深圳市宏拓通达电子科技有限公司 | Intelligent adaptive rapid charging power bank |
| CN105375571A (en) * | 2015-11-28 | 2016-03-02 | 芜湖迈特电子科技有限公司 | Quick charging portable power supply |
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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: 20140827 Termination date: 20190401 |