CN201060908Y - External insertion type standby battery of mobile phone - Google Patents
External insertion type standby battery of mobile phone Download PDFInfo
- Publication number
- CN201060908Y CN201060908Y CNU2007201258745U CN200720125874U CN201060908Y CN 201060908 Y CN201060908 Y CN 201060908Y CN U2007201258745 U CNU2007201258745 U CN U2007201258745U CN 200720125874 U CN200720125874 U CN 200720125874U CN 201060908 Y CN201060908 Y CN 201060908Y
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- China
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- integrated circuit
- chip
- charging
- built
- limiting resistance
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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
- 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 discloses a structure of plug-in stand-by battery for mobile phone, comprising a charging circuit, a protection circuit and a discharging circuit; wherein the charging circuit comprises a charging input interface, a reverse protection diode, a current limiting resistance, a built-in lithium battery, a charging indication LED, a shunt resistance and a current limiting resistance; the protection circuit comprises a detecting integrated circuit chip, a current limiting resistance, a filtering capacitor, a protecting integrated circuit chip and a sampling resistance; the main function for the protecting integrated circuit chip is overcharging protection, overcurrent protection, overdischarging protection and over-temperature protection for built-in lithium battery; the discharging circuit comprises a step up integrated circuit chip a field-effect transistor, a freewheeling diode and a inductance, a resistance and a capacitor. The utility model has the advantages that when the electric quantity of the battery for mobile phone is used up, the mobile phone can be continuous use if the plug of the plug-in stand-by battery is inserted the charging socket of the mobile phone; in addition, the built-in stand-by battery can be repeatedly used.
Description
Technical field
The utility model relates to the mobile phone reserve battery, particularly a kind of mobile phone outside plug type reserve battery.
Background technology
Common mobile phone reserve battery must be opened the cabinet cover of mobile phone in use, takes out used batteries, again the new battery casing of packing into.Its shortcoming is if running down of battery electric weight when conversing, and the replacing reserve battery that can only shut down influences the timely interchange of information.The charger for emergency of now popular on the market mobile phone is will buy battery in addition to pack in the charger for emergency again to the mobile phone charging, and this storage battery cannot recharge repeated use only with disposable use.
Summary of the invention
The purpose of this utility model is at above-mentioned shortcoming, develop a kind of mobile phone outside plug type reserve battery, when the running down of battery electric weight of mobile phone, need only the charging socket that the plug of mobile phone outside plug type reserve battery is inserted the mobile phone that exhausts electric weight, mobile phone can use continuously.
The purpose of this utility model is achieved in that makes mobile phone outside plug type reserve battery shell, is provided with charging input interface and discharge output plug in the appropriate location of shell outside week.The appropriate location of portion is provided with charging circuit, protective circuit and discharge circuit in the enclosure.
1, charging circuit:
The anode of charging input interface is connected with the current-limiting resistance of reverse protection diode and charging indication light-emitting diode.Current-limiting resistance is connected with charging indication light-emitting diode and charging indication light-emitting diode shunt resistance.The reverse protection diode is connected with current-limiting resistance, and current-limiting resistance is connected with the anode of built-in lithium battery.Charging input interface, reverse protection diode, current-limiting resistance, built-in lithium battery, charging indication light-emitting diode, shunt resistance and current-limiting resistance are formed charging circuit.
2, protective circuit
Protective circuit is formed by detecting integrated circuit (IC) chip, current-limiting resistance, filter capacitor, protection integrated circuit (IC) chip and sample resistance.
Detecting integrated circuit (IC) chip is connected with the built-in lithium battery anode through current-limiting resistance.The built-in lithium battery negative terminal is connected with an end that detects integrated circuit (IC) chip and filter capacitor, and the other end of filter capacitor is connected with current-limiting resistance with the detection integrated circuit (IC) chip.Protection integrated circuit (IC) chip one end with is connected with the built-in lithium battery negative terminal, the other end of protection integrated circuit (IC) chip is connected with the negative terminal of charging input interface, protects integrated circuit (IC) chip to be connected with the detection integrated circuit (IC) chip.The major function that detects integrated circuit (IC) chip is: behind the voltage of detection built-in lithium battery, the electric current, and control protection integrated circuit (IC) chip, protection integrated circuit (IC) chip control charging input interface is to the voltage and the electric current of built-in lithium battery.The major function of protection integrated circuit (IC) chip is: to additives for overcharge protection, overcurrent protection, over and the overheat protector of built-in lithium battery.
3. discharge circuit:
Discharge circuit by the integrated circuit (IC) chip of boosting, field effect transistor, fly-wheel diode, and inductance, resistance and electric capacity form.
One end of the integrated circuit (IC) chip of boosting is connected with the built-in lithium battery anode, and the other end points of the integrated circuit (IC) chip of boosting is connected with field effect transistor, fly-wheel diode, current-limiting resistance, filter capacitor and inductance respectively.The integrated circuit (IC) chip of boosting control field effect transistor.Field effect transistor is connected with inductance and fly-wheel diode.The integrated circuit (IC) chip of boosting is connected through the anode of current-limiting resistance with the discharge output plug.The negative terminal of discharge output plug is connected with an end of the integrated circuit (IC) chip of boosting.When the discharge output plug did not connect load, field effect transistor was in the static locking state, and the protection battery electric quantity does not run off.
Before the use; AC power is connected through common vertoro and the charging input interface at shell, and the charging circuit that low-voltage DC process reverse protection diode, current-limiting resistance, charging indication light-emitting diode, shunt resistance and current-limiting resistance are formed is to built-in lithium cell charging.Charging circuit is when built-in lithium cell charging, and charging charging indication light-emitting diode is bright.When charging finishes, fully loaded automatic shutdown circuit cuts off charge power supply automatically, and the light-emitting diode of charging indication simultaneously extinguishes.In charging process, when the built-in lithium battery temperature was too high, anti-thermal-shutdown circuit can be cut off the electricity supply automatically.When built-in lithium battery did not use, static locking device locking electric weight can not discharge built-in lithium battery automatically.When the running down of battery electric weight of mobile phone, the charging socket that the discharge output plug is inserted mobile phone charges.
Adopt the utility model, when the running down of battery electric weight of mobile phone, as long as the plug of mobile phone outside plug type reserve battery is inserted the charging socket of the mobile phone that exhausts electric weight, mobile phone can use continuously, overcome the running down of battery electric weight of mobile phone when conversing, the replacing reserve battery that can only shut down influences the shortcoming of the timely interchange of information.This reserve battery is built-in, and is reusable, and this reserve battery is the mobile phone charger charging of adopting the charging of accepting, and is easy to use.
Description of drawings
Fig. 1 is the schematic diagram of the utility model circuit.
Embodiment
Embodiment:
Make mobile phone outside plug type reserve battery shell, be provided with charging input interface 1 and discharge output plug 2 in the appropriate location of shell outside week.As shown in Figure 1, the appropriate location of portion is provided with charging circuit, protective circuit and discharge circuit in the enclosure.The anode of charging input interface 1 is connected with the current-limiting resistance R3 of reverse protection diode D1 and charging indication LED 1.Current-limiting resistance R3 is connected with charging indication LED 1 and charging indication LED 1 shunt resistance R4.Reverse protection diode D1 is connected with current-limiting resistance R5, and current-limiting resistance R5 is connected with the anode of built-in lithium battery 3.Charging input interface 1, reverse protection diode D1, current-limiting resistance R5, built-in lithium battery 3, charging indication LED 1, shunt resistance R4 and current-limiting resistance R3 form charging circuit.Protective circuit is formed by detecting integrated circuit (IC) chip U1, current-limiting resistance R1, filter capacitor C1, protection integrated circuit (IC) chip U2 and sample resistance R2.Detecting integrated circuit (IC) chip U1 is connected with built-in lithium battery 3 anodes through current-limiting resistance R1.Built-in lithium battery 3 negative terminals are connected with an end that detects integrated circuit (IC) chip U1 and filter capacitor C1, and the other end of filter capacitor C1 is connected with current-limiting resistance R1 with detection integrated circuit (IC) chip U1.Protection integrated circuit (IC) chip U2 one end with is connected with built-in lithium battery 3 negative terminals, the other end of protection integrated circuit (IC) chip U2 is connected with the negative terminal of charging input interface 1, protects integrated circuit (IC) chip U2 to be connected with detection integrated circuit (IC) chip U1.The major function that detects integrated circuit (IC) chip U1 is: behind the voltage of detection built-in lithium battery 3, the electric current, and control protection integrated circuit (IC) chip U2, protection integrated circuit (IC) chip U2 control charging input interface 1 arrives the voltage and the electric current of built-in lithium battery 3.The major function of protection integrated circuit (IC) chip U2 is: to additives for overcharge protection, overcurrent protection, over and the overheat protector of built-in lithium battery 3.Discharge circuit by boost integrated circuit (IC) chip U3, field effect transistor U4, sustained diode 2, and inductance, resistance and electric capacity form.The end of the integrated circuit (IC) chip of boosting U3 is connected with built-in lithium battery 3 anodes, and the other end points of the integrated circuit (IC) chip of boosting U3 is connected with field effect transistor U4, sustained diode 2, current-limiting resistance R6, filter capacitor C2, C3 and inductance L 1 respectively.The integrated circuit (IC) chip of boosting U3 control field effect transistor U4.Field effect transistor U4 is connected with inductance L 1 and sustained diode 2.The integrated circuit (IC) chip of boosting U3 is connected with the anode of discharge output plug 2 through current-limiting resistance R6.The negative terminal of discharge output plug 2 is connected with the end of the integrated circuit (IC) chip U3 that boosts.When discharge output plug 2 did not connect load, field effect transistor U4 was in the static locking state, and the protection battery electric quantity does not run off.
Claims (1)
1. mobile phone outside plug type reserve battery; it is characterized in that: make mobile phone outside plug type reserve battery shell; be provided with charging input interface (1) and discharge output plug (2) in the appropriate location of shell outside week; the anode of charging input interface (1) is connected with the current-limiting resistance (R3) of reverse protection diode (D1) and charging indication light-emitting diode (LED1); current-limiting resistance (R3) is connected with charging indication light-emitting diode (LED1) and charging indication light-emitting diode (LED1) shunt resistance (R4); reverse protection diode (D1) is connected with current-limiting resistance (R5); current-limiting resistance (R5) is connected with the anode of built-in lithium battery (3); detecting integrated circuit (IC) chip (U1) is connected with built-in lithium battery (3) anode through current-limiting resistance (R1); built-in lithium battery (3) negative terminal is connected with an end that detects integrated circuit (IC) chip (U1) and filter capacitor (C1); the other end of filter capacitor (C1) is connected with current-limiting resistance (R1) with detection integrated circuit (IC) chip (U1); protect integrated circuit (IC) chip (U2) end and be connected with built-in lithium battery (3) negative terminal; the other end of protection integrated circuit (IC) chip (U2) is connected with the negative terminal of charging input interface (1); protection integrated circuit (IC) chip (U2) is connected with detection integrated circuit (IC) chip (U1); one end of the integrated circuit (IC) chip of boosting (U3) is connected with built-in lithium battery (3) anode; the other end points of the integrated circuit (IC) chip of boosting (U3) respectively with field effect transistor (U4); fly-wheel diode (D2); current-limiting resistance (R6); filter capacitor (C2; C3) be connected with inductance (L1), the negative terminal of discharge output plug (2) is connected with an end of the integrated circuit (IC) chip of boosting (U3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201258745U CN201060908Y (en) | 2007-07-13 | 2007-07-13 | External insertion type standby battery of mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201258745U CN201060908Y (en) | 2007-07-13 | 2007-07-13 | External insertion type standby battery of mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060908Y true CN201060908Y (en) | 2008-05-14 |
Family
ID=39409397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201258745U Expired - Fee Related CN201060908Y (en) | 2007-07-13 | 2007-07-13 | External insertion type standby battery of mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060908Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668362A (en) * | 2009-08-20 | 2010-03-10 | 利尔达科技有限公司 | Charging indicator light circuit |
| CN102377222A (en) * | 2011-11-01 | 2012-03-14 | 深圳市江机实业有限公司 | Reliable working circuit of disposable environment-friendly lithium battery for liquid crystal display electric energy meter |
-
2007
- 2007-07-13 CN CNU2007201258745U patent/CN201060908Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101668362A (en) * | 2009-08-20 | 2010-03-10 | 利尔达科技有限公司 | Charging indicator light circuit |
| CN102377222A (en) * | 2011-11-01 | 2012-03-14 | 深圳市江机实业有限公司 | Reliable working circuit of disposable environment-friendly lithium battery for liquid crystal display electric energy meter |
| CN102377222B (en) * | 2011-11-01 | 2014-11-05 | 深圳市江机实业有限公司 | Reliable working circuit of disposable environment-friendly lithium battery for liquid crystal display electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Xu Zongyuan Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20110713 |