CN1633193A - Dual charging cell power supply apparatus for mobile communication terminal - Google Patents
Dual charging cell power supply apparatus for mobile communication terminal Download PDFInfo
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- CN1633193A CN1633193A CNA200410044166XA CN200410044166A CN1633193A CN 1633193 A CN1633193 A CN 1633193A CN A200410044166X A CNA200410044166X A CN A200410044166XA CN 200410044166 A CN200410044166 A CN 200410044166A CN 1633193 A CN1633193 A CN 1633193A
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- triode
- resistance
- rechargeable battery
- power supply
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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
A double charged battery supply device for communication terminals power detection end of 1, the input end of 2 are connected with the input end of 4 and connected with the positive output end of 8, the first signal output end of 1 is connected with the control signal input end of 2, the second signal output end of 1 is connected with the control signal input end of 4, the input end of the first voltage detection input end of 1, output end of 2, the input of 3 are connected with the positive of 6, the second voltage test input end of 1, the output of 4, input of 5 are connected with the positive of 7, the negative of 6, 7 are linked to the earth, the output of the first control signal is connected with the input of 3, the second output end of 1 is linked to the input of 5, the output of 3 with output of 5, the earth ends of 2 and 3 are connected with the negative end of 6, and those of 4 and 5 are connected with the negative of 7.
Description
Technical field:
What the present invention relates to is power technique fields, specifically is a kind of two rechargeable battery powered device of mobile communication terminal.
Background technology:
When mobile communication terminal (GSM mobile handset, CDMA mobile phone, Personal Handyphone System etc.) uses, often run into the situation that rechargeable battery does not have electricity, and will in time charge rechargeable battery.But all there are some problems in single charging battery system of mobile communication terminal at present, as: 1, the optimal charge time of rechargeable battery (lithium battery or Ni-MH battery) is when its electric weight is used up substantially, and the user is difficult to judge with sensation; 2, the power consumption owing to mobile communication terminal changes at any time, therefore when the electric weight of the rechargeable battery in the mobile communication terminal is difficult to judge with being full of, when waiting to find that rechargeable battery in the mobile communication terminal need charge, may not possess charge condition (charger does not have to be with at one's side or to be not used in the external power supply of charging) again or do not have reserve battery, make mobile communication terminal can't continue to use.
Summary of the invention:
The two rechargeable battery powered device that the purpose of this invention is to provide a kind of mobile communication terminal, the present invention can provide stable electric energy for mobile communication terminal, effectively reduce because of electric quantity of rechargeable battery exhausts the generation that makes the inoperable situation of mobile communication terminal, it can charge at any time or regularly.It is made up of cpu control circuit 1, first charge switch circuit 2, first switching circuit of power supply 3, second charge switch circuit 4, second switching circuit of power supply 5, first rechargeable battery 6, second rechargeable battery 7; The charge power supply test side of cpu control circuit 1, the charge power supply input of first charge switch circuit 2 is connected with the charge power supply input of second charge switch circuit 4 and connects the cathode output end of charger 8, the earth terminal of cpu control circuit 1 connects the cathode output end of charger 8, the first charging control signal output of cpu control circuit 1 connects the signal input end of first charge switch circuit 2, the second charging control signal output of cpu control circuit 1 connects the signal input end of second charge switch circuit 4, first charged battery voltage of cpu control circuit 1 detects input, the output of first charge switch circuit 2, the input of first switching circuit of power supply 3 is connected with the positive pole of first rechargeable battery 6, second charged battery voltage of cpu control circuit 1 detects input, the output of second charge switch circuit 4, the input of second switching circuit of power supply 5 is connected with the positive pole of second rechargeable battery 7, the minus earth of first rechargeable battery 6, the minus earth of second rechargeable battery 7, the first power supplying control signal output of cpu control circuit 1 connects the signal input end of first switching circuit of power supply 3, the second power supplying control signal output of cpu control circuit 1 connects the signal input end of second switching circuit of power supply 5, the power supply vdd terminal of cpu control circuit 1, the output of first switching circuit of power supply 3 connects the output of second switching circuit of power supply 5 and connects the electrode input end of mobile communication terminal 9, the negative input ground connection of mobile communication terminal 9, the earth terminal of first charge switch circuit 2, the earth terminal of first switching circuit of power supply 3 connects the negative pole end of first rechargeable battery 6, the earth terminal of second charge switch circuit 4, the earth terminal of second switching circuit of power supply 5 connects the negative pole end of second rechargeable battery 7.Operation principle: when the present invention is in the powered operation state, earlier by 6 power supplies of first rechargeable battery, when the electric weight of first rechargeable battery 6 exhausts and cpu control circuit 1 detects second rechargeable battery 7 electric weight is in the state that can power, cpu control circuit 1 will be controlled 5 conductings of second switching circuit of power supply makes second rechargeable battery 7 enter the powered operation state, first switching circuit of power supply 3 of cpu control circuit 1 control is simultaneously closed, and makes first rechargeable battery 6 enter the charging standby condition; When second rechargeable battery, 7 electric weight exhaust, when whether the electric weight that CUP control circuit 1 detects first rechargeable battery 6 is in the state that can power, when confirming as be, then CUP control circuit 1 will be controlled 3 conductings of first switching circuit of power supply and make first rechargeable battery 6 enter the powered operation state, and cpu control circuit 1 control second switching circuit of power supply 5 is closed, and makes second rechargeable battery 7 enter the charging standby condition.When being in charging, whether cpu control circuit 1 will detect charger 8 and connect, when confirming as be, judged whether that rechargeable battery needs charging, if any the rechargeable battery charging of then need being charged, concrete operations are: controlling first charge switch circuit 2 or 4 conductings of second charge switch circuit, is first rechargeable battery 6 or 7 chargings of second rechargeable battery.The present invention can provide stable electric energy for mobile communication terminal, effectively minimizing exhausts the generation that makes the inoperable situation of mobile communication terminal because of electric quantity of rechargeable battery, it can charge at any time or regularly, effectively reduce the charging times of rechargeable battery, guarantee when electric quantity of rechargeable battery exhausts, just to charge for rechargeable battery, and prolonging useful life of rechargeable battery, it also has simple in structure, stable performance, advantage that cost is low.
Description of drawings:
Fig. 1 is an integrated circuit structural representation of the present invention.
Embodiment:
Embodiment one: in conjunction with Fig. 1 present embodiment is described, it is made up of cpu control circuit 1, first charge switch circuit 2, first switching circuit of power supply 3, second charge switch circuit 4, second switching circuit of power supply 5, first rechargeable battery 6, second rechargeable battery 7; The charge power supply test side of cpu control circuit 1, the charge power supply input of first charge switch circuit 2 is connected with the charge power supply input of second charge switch circuit 4 and connects the cathode output end of charger 8, the earth terminal of cpu control circuit 1 connects the cathode output end of charger 8, the first charging control signal output of cpu control circuit 1 connects the signal input end of first charge switch circuit 2, the second charging control signal output of cpu control circuit 1 connects the signal input end of second charge switch circuit 4, first charged battery voltage of cpu control circuit 1 detects input, the output of first charge switch circuit 2, the input of first switching circuit of power supply 3 is connected with the positive pole of first rechargeable battery 6, second charged battery voltage of cpu control circuit 1 detects input, the output of second charge switch circuit 4, the input of second switching circuit of power supply 5 is connected with the positive pole of second rechargeable battery 7, the minus earth of first rechargeable battery 6, the minus earth of second rechargeable battery 7, the first power supplying control signal output of cpu control circuit 1 connects the signal input end of first switching circuit of power supply 3, the second power supplying control signal output of cpu control circuit 1 connects the signal input end of second switching circuit of power supply 5, the power supply vdd terminal of cpu control circuit 1, the output of first switching circuit of power supply 3 connects the output of second switching circuit of power supply 5 and connects the electrode input end of mobile communication terminal 9, the negative input ground connection of mobile communication terminal 9, the earth terminal of first charge switch circuit 2, the earth terminal of first switching circuit of power supply 3 connects the negative pole end of first rechargeable battery 6, the earth terminal of second charge switch circuit 4, the earth terminal of second switching circuit of power supply 5 connects the negative pole end of second rechargeable battery 7.Two inputs of charger 8 are connected on the AC power 220V.The singlechip chip model that cpu control circuit 1 is selected for use is EM78P458.Described first charge switch circuit 2 is by triode Q1, triode Q2, resistance (R1～R4) form; One end of resistance R 4 connects the first charging control signal output of cpu control circuit 1, the other end of resistance R 4 connects the base stage of triode Q1, the emitter of triode Q1, the emitter of triode Q2 connects an end of resistance R 1 and connects the cathode output end of charger 8, the collector electrode of triode Q2 connects the positive terminal of first rechargeable battery 6, the base stage of triode Q2 connects an end of resistance R 3, the other end of resistance R 3, the other end of resistance R 1, the collector electrode of triode Q1 is connected with an end of resistance R 2, and the other end of resistance R 2 connects the negative pole end of first rechargeable battery 6; First switching circuit of power supply 3 is by triode Q3, triode Q4, resistance (R5～R8) form; One end of resistance R 5 connects the first power supplying control signal output of cpu control circuit 1, the other end of resistance R 5 connects the base stage of triode Q4, the emitter of triode Q3, the emitter of triode Q4 connects an end of resistance R 7 and connects the positive terminal of first rechargeable battery 6, the collector electrode of triode Q3 connects the electrode input end of mobile communication terminal 9, the base stage of triode Q3 connects an end of resistance R 6, the other end of resistance R 6, the other end of resistance R 7, the collector electrode of triode Q4 connects an end of resistance R 8, and the other end of resistance R 8 connects the negative pole end of first rechargeable battery 6; Second charge switch circuit 4 is by triode Q5, triode Q6, resistance (R9～R11) form; One end of resistance R 9 connects the second charging control signal output of cpu control circuit 1, the other end of resistance R 9 connects the base stage of triode Q5, the emitter of triode Q6 connects an end of resistance R 10 and connects the cathode output end of charger 8, the collector electrode of triode Q6 connects the positive terminal of second rechargeable battery 7, the other end of the base stage of triode Q6, resistance R 10 connects an end of resistance R 11, the other end of resistance R 11 connects the collector electrode of triode Q5, and the emitter of triode Q5 connects the negative pole end of second rechargeable battery 7; Second switching circuit of power supply 5 is by triode Q7, triode Q8, resistance (R12～R14) form; One end of resistance R 12 connects the second power supplying control signal output of cpu control circuit 1, the other end of resistance R 12 connects the base stage of triode Q8, the emitter of triode Q7 connects an end of resistance R 14 and connects the positive terminal of second rechargeable battery 7, the collector electrode of triode Q7 connects the electrode input end of mobile communication terminal 9, the base stage of the other end of resistance R 14, triode Q7 connects an end of resistance R 13, the other end of resistance R 13 connects the collector electrode of triode Q8, and the emitter of triode Q8 connects the negative pole end of second rechargeable battery 7.The model that triode Q1, triode Q2, triode Q3, triode Q4, triode Q6, triode Q7 select for use is 2SA993, and the model that triode Q5, triode Q8 select for use is 2SC1598.
Claims (5)
1, the two rechargeable battery powered device of mobile communication terminal is characterized in that it is made up of cpu control circuit (1), first charge switch circuit (2), first switching circuit of power supply (3), second charge switch circuit (4), second switching circuit of power supply (5), first rechargeable battery (6), second rechargeable battery (7); The charge power supply test side of cpu control circuit (1), the charge power supply input of first charge switch circuit (2) is connected with the charge power supply input of second charge switch circuit (4) and connects the cathode output end of charger (8), the earth terminal of cpu control circuit (1) connects the cathode output end of charger (8), the first charging control signal output of cpu control circuit (1) connects the signal input end of first charge switch circuit (2), the second charging control signal output of cpu control circuit (1) connects the signal input end of second charge switch circuit (4), first charged battery voltage of cpu control circuit (1) detects input, the output of first charge switch circuit (2), the input of first switching circuit of power supply (3) is connected with the positive pole of first rechargeable battery (6), second charged battery voltage of cpu control circuit (1) detects input, the output of second charge switch circuit (4), the input of second switching circuit of power supply (5) is connected with the positive pole of second rechargeable battery (7), the minus earth of first rechargeable battery (6), the minus earth of second rechargeable battery (7), the first power supplying control signal output of cpu control circuit (1) connects the signal input end of first switching circuit of power supply (3), the second power supplying control signal output of cpu control circuit (1) connects the signal input end of second switching circuit of power supply (5), power supply (VDD) end of cpu control circuit (1), the output of first switching circuit of power supply (3) connects the output of second switching circuit of power supply (5) and connects the electrode input end of mobile communication terminal (9), the negative input ground connection of mobile communication terminal (9), the earth terminal of first charge switch circuit (2), the earth terminal of first switching circuit of power supply (3) connects the negative pole end of first rechargeable battery (6), second charge switch circuit (4) (earth terminal, the earth terminal of second switching circuit of power supply (5) connects the negative pole end of second rechargeable battery (7).
2, the two rechargeable battery powered device of mobile communication terminal according to claim 1 is characterized in that described first charge switch circuit (2) is by triode (Q1), triode (Q2), resistance (R1～R4) form; One end of resistance (R4) connects the first charging control signal output of cpu control circuit (1), the other end of resistance (R4) connects the base stage of triode (Q1), the emitter of triode (Q1), the emitter of triode (Q2) connects an end of resistance (R1) and connects the cathode output end of charger (8), the collector electrode of triode (Q2) connects the positive terminal of first rechargeable battery (6), the base stage of triode (Q2) connects an end of resistance (R3), the other end of resistance (R3), the other end of resistance (R1), the collector electrode of triode (Q1) is connected with an end of resistance (R2), and the other end of resistance (R2) connects the negative pole end of first rechargeable battery (6).
3, the two rechargeable battery powered device of mobile communication terminal according to claim 1 is characterized in that first switching circuit of power supply (3) is by triode (Q3), triode (Q4), resistance (R5～R8) form; One end of resistance (R5) connects the first power supplying control signal output of cpu control circuit (1), the other end of resistance (R5) connects the base stage of triode (Q4), the emitter of triode (Q3), the emitter of triode (Q4) connects an end of resistance (R7) and connects the positive terminal of first rechargeable battery (6), the collector electrode of triode (Q3) connects the electrode input end of mobile communication terminal (9), the base stage of triode (Q3) connects an end of resistance (R6), the other end of resistance (R6), the other end of resistance (R7), the collector electrode of triode (Q4) connects an end of resistance (R8), and the other end of resistance (R8) connects the negative pole end of first rechargeable battery (6).
4, the two rechargeable battery powered device of mobile communication terminal according to claim 1 is characterized in that second charge switch circuit (4) is by triode (Q5), triode (Q6), resistance (R9～R11) form; One end of resistance (R9) connects the second charging control signal output of cpu control circuit (1), the other end of resistance (R9) connects the base stage of triode (Q5), the emitter of triode (Q6) connects an end of resistance (R10) and connects the cathode output end of charger (8), the collector electrode of triode (Q6) connects the positive terminal of second rechargeable battery (7), the base stage of triode (Q6), the other end of resistance (R10) connects an end of resistance (R11), the other end of resistance (R11) connects the collector electrode of triode (Q5), and the emitter of triode (Q5) connects the negative pole end of second rechargeable battery (7).
5, the two rechargeable battery powered device of mobile communication terminal according to claim 1 is characterized in that second switching circuit of power supply (5) is by triode (Q7), triode (Q8), resistance (R12～R14) form; One end of resistance (R12) connects the second power supplying control signal output of cpu control circuit (1), the other end of resistance (R12) connects the base stage of triode (Q8), the emitter of triode (Q7) connects an end of resistance (R14) and connects the positive terminal of second rechargeable battery (7), the collector electrode of triode (Q7) connects the electrode input end of mobile communication terminal (9), the other end of resistance (R14), the base stage of triode (Q7) connects an end of resistance (R13), the other end of resistance (R13) connects the collector electrode of triode (Q8), and the emitter of triode (Q8) connects the negative pole end of second rechargeable battery (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200410044166XA CN1633193A (en) | 2004-12-24 | 2004-12-24 | Dual charging cell power supply apparatus for mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200410044166XA CN1633193A (en) | 2004-12-24 | 2004-12-24 | Dual charging cell power supply apparatus for mobile communication terminal |
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| Publication Number | Publication Date |
|---|---|
| CN1633193A true CN1633193A (en) | 2005-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200410044166XA Pending CN1633193A (en) | 2004-12-24 | 2004-12-24 | Dual charging cell power supply apparatus for mobile communication terminal |
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| Country | Link |
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| CN (1) | CN1633193A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012136171A3 (en) * | 2012-06-27 | 2013-04-11 | 华为终端有限公司 | Charging and discharging management device and mobile terminal |
| CN103683210A (en) * | 2012-09-18 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Charge/discharge protection circuit and explosion-proof lamp using same |
| WO2015113335A1 (en) * | 2014-01-28 | 2015-08-06 | 广东欧珀移动通信有限公司 | Detection circuit and method for charging start |
| CN110427085A (en) * | 2019-07-29 | 2019-11-08 | Oppo（重庆）智能科技有限公司 | The method and apparatus of power electronic equipment, electronic equipment |
-
2004
- 2004-12-24 CN CNA200410044166XA patent/CN1633193A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012136171A3 (en) * | 2012-06-27 | 2013-04-11 | 华为终端有限公司 | Charging and discharging management device and mobile terminal |
| US8836275B2 (en) | 2012-06-27 | 2014-09-16 | Huawei Device Co., Ltd. | Charging and discharging management apparatus and mobile terminal |
| CN103683210A (en) * | 2012-09-18 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Charge/discharge protection circuit and explosion-proof lamp using same |
| CN103683210B (en) * | 2012-09-18 | 2018-09-14 | 深圳市海洋王照明工程有限公司 | Charge-discharge protection circuit and apply its explosion-proof lamp |
| WO2015113335A1 (en) * | 2014-01-28 | 2015-08-06 | 广东欧珀移动通信有限公司 | Detection circuit and method for charging start |
| US9859726B2 (en) | 2014-01-28 | 2018-01-02 | Guang Dong Oppo Mobile Telecommunications Corp., Ltd. | Detection circuit and method for starting charging |
| CN110427085A (en) * | 2019-07-29 | 2019-11-08 | Oppo（重庆）智能科技有限公司 | The method and apparatus of power electronic equipment, electronic equipment |
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