CN201113511Y - Intelligent USB charger - Google Patents
Intelligent USB charger Download PDFInfo
- Publication number
- CN201113511Y CN201113511Y CNU2007201726406U CN200720172640U CN201113511Y CN 201113511 Y CN201113511 Y CN 201113511Y CN U2007201726406 U CNU2007201726406 U CN U2007201726406U CN 200720172640 U CN200720172640 U CN 200720172640U CN 201113511 Y CN201113511 Y CN 201113511Y
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- CN
- China
- Prior art keywords
- control circuit
- circuit
- usb charger
- charge
- discharge control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides an intelligent USB charger which is characterized in that the utility model comprises a USB input and output interface, an automatic recovery safety device, a switch device, a charge control circuit, a discharge control circuit, an energy storage battery connected with the discharge control circuit and the charge control circuit respectively, ,a detection circuit used for detecting the discharge control circuit and the charge control circuit, and a central processor which is used for controlling the charge control circuit and the discharge control circuit to continue charging or stop charging the energy storage battery according to a detection result of the detection circuit.
Description
Technical field
The utility model relates to intelligent USB charger product, relate in particular to USB interface product power consumptions such as mobile phone, MP3, MP4, PDA in the market 500MA with interior and can the adaptive control charging current, from the intelligent USB charger product of recovery and protection type.
Background technology
Along with the extensive use of USB interconnection technique, various communication products, digital product are charging inlet with USB plug or interface all.Had at present the USB charger of this function on the market.Yet existing its function singleness of USB charger on the market, charge efficiency is low, the preservation measures shortcoming, causes the waste of the energy and battery life not long, and causing to people makes troubles.
The utility model content
The purpose of this utility model is to solve the problem not long with battery life that waste energy in the prior art, proposes a kind of intelligent USB charger by central processing unit control.
For addressing the above problem, the technical scheme that the utility model proposes is: propose a kind of intelligent USB charger by central processing unit control, it comprises the USB input/output port, the safeties of recovery certainly (10) that are connected with this USB input/output port, certainly recover the switching device that safeties are connected with this, the illumination LED circuit that is connected respectively with this switching device, charging control circuit, charge/discharge control circuit, the energy storage battery that is connected respectively again with this charge/discharge control circuit, circuit for detecting, central processing unit, the indicating circuit that is connected respectively with this central processing unit (4), charging control circuit, circuit for detecting is connected.
Owing to adopted said structure, the utility model not only can be very easily charges, powers the equipment of use lithium ion batteries such as mobile phone, MP3, MP4, PDA, have simultaneously from recovering safeties and can accurately controlling charging current, avoid battery electric quantity to be full of the also long-time overshoot in back, thereby reach the purpose of saving the energy and extending battery life.
Description of drawings
Fig. 1 is the theory diagram of USB charger of the present utility model;
Fig. 2 is the circuit theory diagrams of USB charger of the present utility model;
Embodiment
Fig. 1 is the theory diagram of USB charger of the present utility model.Described USB charger comprise USB input/output port 1, be connected with USB input/output port 1 recover certainly safeties 10, with from the illumination LED circuit 9, charging control circuit 3, the charge/discharge control circuit 7 that recover switching device 2 that safeties 10 are connected, be connected respectively with this switching device 2, energy storage battery 8, circuit for detecting 5, central processing unit 4 with this charge/discharge control circuit 7 is connected respectively again are connected with indicating circuit 6, charging control circuit 3, the circuit for detecting 5 that this central processing unit 4 is connected respectively., USB input/output port 1 is used for being connected with power interface, recover safeties 10 certainly and be used for the USB charger is protected.Illumination LED circuit 9 is used to show the state of this USB charger.Switching device 2 is used to control the Push And Release of this USB charger.When this switching device is opened, charging control circuit 3 and charge/discharge control circuit 7 begin energy storage battery 8 is charged, 5 pairs of charging control circuits 3 of circuit for detecting and charge/discharge control circuit 7 are detected simultaneously, and will detect the result and return to central processing unit 4, central processing unit 4 is controlled charging control circuit 3 and charge/discharge control circuit 7 according to the detecting result and is continued energy storage battery 8 is charged or stops charging.
As shown in Figure 2, described USB input/output port 1 is to be made of separately the female JP1 of USB A.Described is to be made of separately resettable fuse R1 from recovering safeties 10.Described switching device) be to constitute by two toggle switch S1 of simply connected, SW SPDT.
Described charging control circuit 3 comprises: diode D1, D2, resistance R 2, R11, R12, R14, resistance R 16, R17, field effect transistor Q1, Q2, Q4, coupling capacitance C1, C2, C14, MCU U3, amplifier IC.Resistance R 2, diode D2 link to each other with resistance R 2 respectively.The field effect transistor Q1D utmost point and the Q1S utmost point are connected to diode D2 and the anode that is connected to energy storage battery respectively.Coupling capacitance C1 two ends connect MOS1 pin and the R2 of MCU U3 respectively.The G utmost point of a termination D2, the field effect transistor Q1 of coupling capacitance C2 and the C utmost point of three polar body Q2, the other end is together with the E utmost point ground connection of three polar body Q2.One end of resistance R 11 connects the B utmost point of three polar body Q2, the MOS2 pin of another termination MCU U3.Amplifier IC 3 pin and resistance R 16 that resistance R 17 connects respectively.Resistance R 16 connects amplifier IC 2 pin.Resistance R 19 connects amplifier IC 1 pin.Amplifier IC 8 pin connect resistance R 12.The B utmost point of resistance R 13 ground connection and three polar body Q4.The C utmost point of three polar body Q4 connects resistance R 14, capacitor C 14.
Described charge/discharge control circuit 7 comprises: filter capacitor C4, resistance R 3, R5, inductance L 1, capacitor C 5, C6, C7, C8, diode D7 and field effect transistor Q3.The end of filter capacitor C4 and C5 is to ground, and the end of filter capacitor C6 is connected to IC U1 2 pin that boost, IC U1 3 pin that boost, and the filter capacitor C6 other end is to ground.The field effect transistor Q3 D utmost point, the G utmost point connect 15 pin of the IC U that boosts respectively, 14 pin of the IC U that boosts.Field effect transistor Q3 S utmost point ground connection.Inductance L 1 connects diode D7, diode D7 connection resistance R 5, resistance R 5 connects boost 11 pin, resistance R 6 ground connection of IC U, and diode D7 connects capacitor C 7, C8 respectively, the other end ground connection of capacitor C 7, C8.
Described illumination LED circuit 9 comprises: resistance R 31, R26 and ED D11.Described energy storage battery 8 is to be made of three joint AAA 1.2V rechargeable Ni-H 2 batteries.Described central processing unit 4 is to be made of separately MCU U3.Described circuit for detecting 5 comprises: resistance R 15, R20, R21, R23, R27, R28, R29, R30, capacitor C 11, C12, C13, MCU U3, three polar body Q6, voltage stabilizing diode D8, and adjustable reference three terminal regulator Q5.Described indicating circuit (6) comprising: resistance R 24, R25 and light-emittingdiode D9, D10.
For the charging of the charge condition of understanding energy storage battery 8, external equipment electric power thus supplied, this product casing top center be provided with the charging indication under-voltage LED lamp, power supply fill full indicator light.The luminous rechargeable battery situation that is shown to when charger is connected with external power supply shows redness as charging, and has been full of then to show blueness.Show blue during to external power devices, charging, the time may send out a warning to external power devices, charging for a long time as this machine energy storage battery 8, represent that the electric weight of energy storage battery 8 is few this moment, remind the terminal use to need the battery that should charge or more renew energy storage battery 8 once more as early as possible, for using next time.
Compared with prior art, the utility model not only can be very easily charges, powers the equipment of use lithium ion batteries such as mobile phone, MP3, MP4, PDA, have simultaneously from recovering safeties and can accurately controlling charging current, avoid battery electric quantity to be full of the also long-time overshoot in back, thereby reach the purpose of saving the energy and extending battery life.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (10)
1, a kind of intelligent USB charger is characterized in that comprising:
One USB input/output port is used to be connected to the external power source interface;
One safeties of recovery certainly that are connected with this USB input/output port;
One recovers the switching device that safeties are connected certainly with this;
One charging control circuit that is connected with this switching device;
One charge/discharge control circuit that is connected with this switching device;
One energy storage battery that is connected respectively with this charge/discharge control circuit and charging control circuit;
One circuit for detecting that is connected respectively with this charge/discharge control circuit and charging control circuit, it is used for this charge/discharge control circuit and charging control circuit are detected, to judge the electric weight of battery; And
One central processing unit that is connected respectively with this charge/discharge control circuit, charging control circuit and this circuit for detecting is used for detecting result according to this circuit for detecting and controls this charging control circuit and charge/discharge control circuit and continue energy storage battery is charged or stops charging.
2, intelligent USB charger as claimed in claim 1 is characterized in that: further comprise an illumination LED circuit, be connected with this switching device and energy-storage battery respectively.
3, intelligent USB charger as claimed in claim 1 is characterized in that: further comprise an illumination indicating circuit, be connected with this central processing unit.
4, intelligent USB charger as claimed in claim 1 is characterized in that described USB input/output port is to be made of separately the female JP1 of USB A.
5, intelligent USB charger as claimed in claim 4 is characterized in that described is to be made of separately resettable fuse (R1) from recovering safeties.
6, intelligent USB charger as claimed in claim 5 is characterized in that described switching device is to be made of two toggle switch S1, SW SPDT.
7, intelligent USB charger as claimed in claim 6 is characterized in that described illumination LED circuit (9) comprising: resistance (R31), resistance (R26), light-emittingdiode (D11).
8, intelligent USB charger as claimed in claim 7 is characterized in that described energy storage battery is to be made of three joint AAA 1.2V rechargeable Ni-H 2 batteries.
9, intelligent USB charger as claimed in claim 8, it is characterized in that: described central processing unit is to be made of separately MCU U3.
10, intelligent USB charger as claimed in claim 9, it is characterized in that: described indicating circuit comprises: resistance (R24), resistance (R25), light-emittingdiode (D9) and light-emittingdiode (D10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201726406U CN201113511Y (en) | 2007-10-24 | 2007-10-24 | Intelligent USB charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201726406U CN201113511Y (en) | 2007-10-24 | 2007-10-24 | Intelligent USB charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201113511Y true CN201113511Y (en) | 2008-09-10 |
Family
ID=39965256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201726406U Expired - Fee Related CN201113511Y (en) | 2007-10-24 | 2007-10-24 | Intelligent USB charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201113511Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778156A (en) * | 2009-12-31 | 2010-07-14 | 深圳创维－Rgb电子有限公司 | Mobile phone capable of charging other mobile phones |
| CN102916463A (en) * | 2012-07-27 | 2013-02-06 | 深圳市显盈电子科技有限公司 | Intelligent USB (universal serial bus) charger |
| CN107004915A (en) * | 2016-01-29 | 2017-08-01 | 深圳市大疆创新科技有限公司 | Charge and discharge device, management system and unmanned vehicle electric power system |
-
2007
- 2007-10-24 CN CNU2007201726406U patent/CN201113511Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778156A (en) * | 2009-12-31 | 2010-07-14 | 深圳创维－Rgb电子有限公司 | Mobile phone capable of charging other mobile phones |
| CN102916463A (en) * | 2012-07-27 | 2013-02-06 | 深圳市显盈电子科技有限公司 | Intelligent USB (universal serial bus) charger |
| CN102916463B (en) * | 2012-07-27 | 2015-08-19 | 深圳市显盈电子科技有限公司 | USB intelligent charger |
| CN107004915A (en) * | 2016-01-29 | 2017-08-01 | 深圳市大疆创新科技有限公司 | Charge and discharge device, management system and unmanned vehicle electric power system |
| CN107004915B (en) * | 2016-01-29 | 2019-02-05 | 深圳市大疆创新科技有限公司 | Charge and discharge device, management system and unmanned vehicle power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20111024 |