CN101453128B - Mobile phone charging circuit and charging method thereof - Google Patents
Mobile phone charging circuit and charging method thereof Download PDFInfo
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- CN101453128B CN101453128B CN2007101715270A CN200710171527A CN101453128B CN 101453128 B CN101453128 B CN 101453128B CN 2007101715270 A CN2007101715270 A CN 2007101715270A CN 200710171527 A CN200710171527 A CN 200710171527A CN 101453128 B CN101453128 B CN 101453128B
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- dry cell
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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
Abstract
The present invention relates to a charging circuit realized on a mobile phone and a charging method thereof. The charging circuit comprises two dry battery connecting ends which are electrically connected, a dry battery voltage detecting end, a capacitor filter circuit, an inductor energy storing circuit, a voltage switcher, an RC circuit consisting of a capacitor and a resistor, an enabling pin, a feedback circuit consisting of a resistor and an RC filter circuit, a protecting resistor and a diode. The mobile phone charging circuit and the charging method thereof enable a user to use the dry battery for charging the mobile phone directly under the condition that the user is in the open air or can not use a charger to charge the mobile phone immediately, so as to prolong the speaking time or the stand-by time of the mobile phone.
Description
Technical field
The present invention relates to a kind of cell phone charging circuit and charging method thereof, particularly a kind of alkaline battery give charging mobile phone battery circuit and method thereof.
Background technology
During current phone was used, mobile phone used NI-G, ni-mh or lithium ion battery, when battery power exhausts, and the charging that just need charge the battery, generally the method for charging is to battery charge by alternating-current power supply and charger.And it is low generally cell-phone battery electric-charge quantity often to occur, can not keep and call; When going out, can not use the situation of charger if can not charge immediately or as the user, can bring a lot of inconvenience to the cellphone subscriber as cell-phone charging.
Summary of the invention
Main purpose of the present invention is to provide a kind of cell phone charging circuit and charging method thereof, and this cell phone charging circuit and charging method thereof use dry cell to give charging mobile phone battery, and enough electric weight are provided, and guarantee its operate as normal.
For achieving the above object, the invention provides a kind of cell phone charging circuit, it comprises: two dry cell links, this two dry cells link is used to connect dry cell; One dry cell voltage detecting end, this dry cell voltage detecting end and above-mentioned two dry cell links are connected and are used to detect the voltage of dry cell; One capacitor filter, this capacitor filter is connected with above-mentioned two dry cell links and is used for dry cell is carried out filtering; One inductive energy storage circuit is connected and is used to store the dry cell energy with above-mentioned two dry cell links; One electric pressure converter, this electric pressure converter is connected with an end of above-mentioned inductive energy storage circuit by a switch terminals and exports burning voltage according to the voltage of dry cell and come battery of mobile phone is charged, and this electric pressure converter also has an Input voltage terminal, an earth terminal, an Enable Pin and a feedback end; The filter circuit that one electric capacity and a resistance are formed, this circuit is connected with the Input voltage terminal of above-mentioned electric pressure converter; One enable pin, this enable pin are connected and send to this Enable Pin the switch of signal controlling electric pressure converter by the resistance and the Enable Pin of above-mentioned electric pressure converter; The feedback circuit that one resistance and a RC filter circuit are formed, this feedback circuit is connected with the feedback end of above-mentioned electric pressure converter; One protective resistance, this protective resistance one end is connected with above-mentioned RC filter circuit, and this protective resistance other end is connected with battery of mobile phone is anodal; One diode, this diode are series between above-mentioned LC filter circuit and the above-mentioned protective resistance.
Preferably, described inductive energy storage circuit and capacitor filter are made up of a power inductance and an electric capacity, and this power inductance is series in the circuit.
Preferably, described RC filter circuit is made up of resistance and an electric capacity, and this resistance string is coupled in the circuit, and this electric capacity and this resistance are in parallel.
Preferably, described diode P tie an end and be connected with above-mentioned power inductance, the N of this diode ties an end and is connected with protective resistance.
Another technical scheme of the present invention provides the charging method that a kind of cell phone charging circuit carries out, and this cell phone charging circuit comprises two dry cell links, and this two dry cells link is used to connect dry cell; One dry cell voltage detecting end, this dry cell voltage detecting end and above-mentioned two dry cell links are connected and are used to detect the voltage of dry cell; One capacitor filter, this capacitor filter is connected with above-mentioned two dry cell links and is used for dry cell is carried out filtering; One inductive energy storage circuit, this inductive energy storage circuit is connected and is used to store the dry cell energy with above-mentioned two dry cell links; One electric pressure converter, this electric pressure converter is connected with an end of above-mentioned inductive energy storage circuit by a switch terminals, and this electric pressure converter also has an Input voltage terminal, an earth terminal, an Enable Pin and a feedback end; The RC circuit that one electric capacity and a resistance are formed, this RC circuit is connected with the Input voltage terminal of above-mentioned electric pressure converter; One enable pin, this enable pin are connected and send to this Enable Pin the switch of signal controlling electric pressure converter by the resistance and the Enable Pin of above-mentioned electric pressure converter; The feedback circuit that one resistance and a RC filter circuit are formed, this feedback circuit is connected with the feedback end of above-mentioned electric pressure converter; One protective resistance, this protective resistance one end is connected with above-mentioned RC filter circuit, and this protective resistance other end is connected with battery of mobile phone is anodal; One diode, this diode are series between above-mentioned LC filter circuit and the above-mentioned protective resistance; This charging method may further comprise the steps: step 11: dry cell is packed in the mobile phone to be charged;
Step 12: check whether battery of mobile phone is low-voltage; If low-voltage, then execution in step 13; If not low-voltage, then directly carry out next step 14;
Step 13: open dry cell by menu mode and give mobile phone charging function, execution in step 14 then;
Whether step 14: checking has charger for mobile phone to insert; If there is charger for mobile phone to insert, then execution in step 15; If there is not charger for mobile phone to insert, then execution in step 16;
Step 15: enter the charger for mobile phone charged state, close the dry battery charge function by enable pin simultaneously;
Step 16: utilize in the dry cell voltage detecting end detection of handset in the cell phone charging circuit to have or not dry cell; If dry cell is arranged in the mobile phone, then carry out next step 17; If there is not dry cell in the mobile phone, then execution in step 22;
Step 17: the voltage that utilizes the dry cell voltage detecting end detection dry cell in the cell phone charging circuit; Have voltage if detect dry cell, then carry out next step 18; Do not have voltage if detect dry cell, then carry out next step 22;
Step 18: the icon of prompting dry cell electric weight, and show the charging mobile phone battery state, carry out next step 19 then;
Step 19: dry cell is given cell-phone charging;
Step 20: whether dry cell voltage detecting end detects dry cell has; If dry cell has electricity, then execution in step 14; If dry cell does not have electricity, then execution in step 21;
Step 21: close charging mobile phone battery icon and dry cell electric weight icon;
Step 22: normal standby, in the standby process, check whether battery of mobile phone is low-voltage, if battery of mobile phone is a low-voltage, then execution in step 12.
The present invention is owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect: method of the present invention can be applicable in all cell phone platforms that need dry battery charge, soft, the hardware platform scalable that the concrete enforcement of basis is set of specifically charge icon, charged state.Cell phone charging circuit of the present invention and charging method thereof can make the user go out outside or can not use charger immediately under the situation as cell-phone charging, thereby by using dry cell to prolong mobile phone communication time or stand-by time for cell-phone charging.
Description of drawings
Fig. 1 is the charging circuit schematic diagram of mobile phone of the present invention;
Fig. 2 is dry cell and battery of mobile phone concrete structure schematic diagram in the mobile phone of the present invention;
Fig. 3 uses the charging circuit of the present invention of Fig. 1 to the mobile phone charging method flow chart.
Embodiment
Below with reference to accompanying drawing cell phone charging circuit of the present invention and charging method thereof are described in further detail.
Has a mobile phone charging circuit in the mobile phone of the present invention, this cell phone charging circuit as shown in Figure 1, this cell phone charging circuit comprises two dry cell link F1, F2, as shown in Figure 2, one battery of mobile phone BAT2 is arranged on the mobile phone back side, pack into mobile phone lower rear and be connected of some joints (being determined on a case-by-case basis) dry cell BAT1 with dry cell link F1, F2, wherein dry cell BAT1 can be batteries such as alkaline dry battery or ni-mh dry cell, be No. 7 alkaline dry batteries at last, adopt No. 7 alkaline dry batteries in the mobile phone of the present invention.One dry cell voltage detecting end ADC_AAA detects the voltage of dry cell BAT1; One capacitor C 1 is connected in parallel with this dry cell BAT1, an inductance L 1, and this inductance L 1 is connected in series with dry cell BAT1, capacitor C 1, is used for dry cell BAT1 is carried out filtering and stores the dry cell energy; One electric pressure converter U1 (DC-DC Converter) is connected with an end of inductance L 1 by a switch terminals LX, electric pressure converter U1 is according to the stable voltage of voltage output of dry cell BAT1, this electric pressure converter U1 also has an Input voltage terminal VDD, one earth terminal GND, an one Enable Pin CE and a feedback end FB, this Input voltage terminal VDD is connected with the RC circuit of being made up of a capacitor C 2 and a resistance R 2, Enable Pin CE is connected with an enable pin GPI_EN by resistance R 1, this enable pin GPI_EN sends the switch of signal controlling electric pressure converter U1 to Enable Pin CE, resistance R 4 and RC filter circuit R3, C3 forms feedback circuit, the Voltage Feedback that forms on this feedback circuit is controlled electric pressure converter U1 output voltage to feedback end FB by the magnitude of voltage of adjusting feedback pin FB.One protective resistance R5; this protective resistance R5 one end is connected with the RC filter circuit; this protective resistance R5 other end is connected with battery of mobile phone BAT2 is anodal; actual conditions according to the type of battery of mobile phone, voltage, capacity; select charging dry cell BAT1 and the suitable protective resistance R5 of resistance; to be control this charging dry cell BAT1 be no more than the receptible maximum current of battery of mobile phone to the maximum current of mobile phone in the effect of protective resistance R5, to protect battery of mobile phone.One diode D1; be series between inductance L 1 and the protective resistance R5; the P of this diode D1 ties an end and is connected with inductance L 1; the N of this diode D1 ties an end and is connected with protective resistance R5; when the voltage of dry cell BAT1 greater than a certain numerical value (such as 0.4V); utilize the unidirectional on state characteristic of diode D1; thereby diode D1 conducting this moment dry cell BAT1 can be to charging mobile phone battery; if the voltage of dry cell BAT1 is less than a certain numerical value (such as 0.4V), thus diode D1 this moment close dry cell BAT1 can not be to charging mobile phone battery.Dry cell BAT1 is as after coupling together with above-mentioned cell phone charging circuit in charging, just can realize the charging of mobile phone.If after charging dry cell BAT1 used up, the dry cell that can more renew continued charging to battery of mobile phone.In the charging circuit of the present invention, U1 is a PT1301ESOT-26 type electric pressure converter, R1 is 0 Europe resistance, and R2 is 100 Europe resistance, and R3 is 1.8 megaohms, 1% precision resistance, R4 is 536K, 1% precision resistance, C1 is a 10UF electric capacity, and C2 is a 1UF electric capacity, and C3 is a 10P electric capacity, C4 is the smooth electric capacity of 100UF, and L1 is a power inductance.
As shown in Figure 3, the method that the present invention utilizes above-mentioned dry cell and cell phone charging circuit to charge, detailed process is as follows:
Step 11: No. 7 alkaline dry batteries are packed in the mobile phone to be charged;
Step 12: check whether battery of mobile phone is low-voltage; If low-voltage, then execution in step 13; If not low-voltage, then directly carry out next step 14;
Step 13: open No. 7 alkaline dry batteries by menu mode and give mobile phone charging function, execution in step 14 then;
Whether step 14: checking has charger for mobile phone to insert; If there is charger for mobile phone to insert, then execution in step 15; If there is not charger for mobile phone to insert, then execution in step 16;
Step 15: enter the charger for mobile phone charged state, close 7# alkaline dry battery charge function by enable pin GPI_EN simultaneously;
Step 16: utilize in the dry cell voltage detecting end ADC_AAA detection of handset in the cell phone charging circuit to have or not alkaline dry battery No. 7; If alkaline dry battery is arranged in the mobile phone No. 7, then carries out next step 17; If there is not alkaline dry battery in the mobile phone No. 7, then execution in step 22;
Step 17: the voltage that utilizes No. 7 alkaline dry batteries of dry cell voltage detecting end ADC_AAA detection in the cell phone charging circuit; Have voltage if detect No. 7 alkaline dry batteries, then carry out next step 18; Do not have voltage if detect No. 7 alkaline dry batteries, then carry out next step 22;
Step 18: the icon of No. 7 alkaline battery electric weight of prompting, and show the charging mobile phone battery state, carry out next step 19 then;
Step 19:7 number sealing property dry cell is given cell-phone charging;
Step 20: whether dry cell voltage detecting end ADC_AAA detects 7 alkaline dry batteries has; If No. 7 alkaline dry battery has electricity, then execution in step 14; If No. 7 alkaline dry battery does not have electricity, then execution in step 21;
Step 21: close charging mobile phone battery icon and No. 7 alkaline dry battery electric weight icons;
Step 22: normal standby, in the standby process, check whether battery of mobile phone is low-voltage, if battery of mobile phone is a low-voltage, then execution in step 12.
Method of the present invention can be applicable in all cell phone platforms that need dry battery charge, soft, the hardware platform scalable that the concrete enforcement of basis is set of specifically charge icon, charged state.The purpose of this invention is to provide a kind of cell phone charging circuit and charging method thereof, the user is gone out outside or can not use charger immediately under the situation as cell-phone charging, thereby by using dry cell to prolong mobile phone communication time or stand-by time for cell-phone charging.
That more than introduces only is based on preferred embodiment of the present invention, can not limit scope of the present invention with this.Any the present invention is done replacement, the combination, discrete of step well know in the art, and the invention process step is done well know in the art being equal to change or replace and all do not exceed exposure of the present invention and protection range.
Claims (2)
1. cell phone charging circuit is characterized in that it comprises:
Two dry cell links, this two dry cells link is used to connect dry cell;
One dry cell voltage detecting end, this dry cell voltage detecting end and above-mentioned two dry cell links are connected and are used to detect the voltage of dry cell;
One capacitor filter, this capacitor filter is made up of an electric capacity, and this electric capacity is connected with above-mentioned two dry cell links, is used for dry cell is carried out filtering and stores the dry cell energy;
One inductive energy storage circuit, this inductive energy storage circuit is made up of a power inductance, and this inductance is connected with above-mentioned two dry cell links, is used to store the dry cell energy;
One electric pressure converter, this electric pressure converter is connected with an end of above-mentioned inductive energy storage circuit by a switch terminals, and export according to the voltage of dry cell battery of mobile phone is charged, this electric pressure converter also has an Input voltage terminal, an earth terminal, an Enable Pin and a feedback end;
The filter circuit that one electric capacity and a resistance are formed, this filter circuit is connected with the Input voltage terminal of above-mentioned electric pressure converter;
One enable pin, this enable pin are connected and send to this Enable Pin the switch of signal controlling electric pressure converter by the resistance and the Enable Pin of above-mentioned electric pressure converter;
The feedback circuit that one resistance and a RC filter circuit are formed, this feedback circuit is connected with the feedback end of above-mentioned electric pressure converter;
One protective resistance, this protective resistance one end is connected with above-mentioned feedback circuit, and this protective resistance other end is connected with battery of mobile phone is anodal;
One diode, the P of described diode are tied an end and are connected with above-mentioned power inductance, and the N of this diode ties an end and is connected with protective resistance.
2. use cell phone charging circuit as claimed in claim 1 to the charging method that mobile phone carries out, it is characterized in that it may further comprise the steps:
Step 1: dry cell is packed in the mobile phone to be charged;
Step 2: check whether battery of mobile phone is low-voltage; If low-voltage, then execution in step 3; If not low-voltage, then directly carry out next step 4;
Step 3: open dry cell by menu mode and give mobile phone charging function, execution in step 4 then;
Whether step 4: checking has charger for mobile phone to insert; If there is charger for mobile phone to insert, then execution in step 5; If there is not charger for mobile phone to insert, then execution in step 6;
Step 5: enter the charger for mobile phone charged state, close the dry battery charge function by enable pin simultaneously;
Step 6: utilize in the dry cell voltage detecting end detection of handset in the cell phone charging circuit to have or not dry cell; If dry cell is arranged in the mobile phone, then carry out next step 7; If there is not dry cell in the mobile phone, then execution in step 12;
Step 7: the voltage that utilizes the dry cell voltage detecting end detection dry cell in the cell phone charging circuit; Have voltage if detect dry cell, then carry out next step 8; Do not have voltage if detect dry cell, then carry out next step 12;
Step 8: the icon of prompting dry cell electric weight, and show the charging mobile phone battery state, carry out next step 9 then;
Step 9: dry cell is given cell-phone charging;
Step 10: whether dry cell voltage detecting end detects dry cell has; If dry cell has electricity, then execution in step 4; If dry cell does not have electricity, then execution in step 11;
Step 11: close charging mobile phone battery icon and dry cell electric weight icon;
Step 12: normal standby, in the standby process, check whether battery of mobile phone is low-voltage, if battery of mobile phone is a low-voltage, then execution in step 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101715270A CN101453128B (en) | 2007-11-30 | 2007-11-30 | Mobile phone charging circuit and charging method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101715270A CN101453128B (en) | 2007-11-30 | 2007-11-30 | Mobile phone charging circuit and charging method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101453128A CN101453128A (en) | 2009-06-10 |
| CN101453128B true CN101453128B (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007101715270A Expired - Fee Related CN101453128B (en) | 2007-11-30 | 2007-11-30 | Mobile phone charging circuit and charging method thereof |
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| CN (1) | CN101453128B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196071B (en) * | 2010-07-30 | 2013-02-20 | 惠州Tcl移动通信有限公司 | Mobile terminal |
| CN106162339A (en) * | 2016-07-12 | 2016-11-23 | 乐视控股（北京）有限公司 | Stand-by circuit and electric terminal |
| CN113555921B (en) * | 2021-06-29 | 2023-05-05 | 中国联合网络通信集团有限公司 | Charging reminding method based on scene digitization and mobile terminal |
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- 2007-11-30 CN CN2007101715270A patent/CN101453128B/en not_active Expired - Fee Related
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| CN101453128A (en) | 2009-06-10 |
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Granted publication date: 20110316 Termination date: 20191130 |
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