CN203747451U

CN203747451U - Battery charging device

Info

Publication number: CN203747451U
Application number: CN201420055669.6U
Authority: CN
Inventors: 张加亮; 刘丰硕; 吴克伟; 彭良才; 廖福椿; 胡元祥
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2014-01-28
Filing date: 2014-01-28
Publication date: 2014-07-30
Anticipated expiration: 2024-01-28

Abstract

The utility model belongs to the field of charging technology, and provides a battery charging device. The battery charging device comprises a power adapter and a charging control module. During the battery charging process, the power adapter charges a battery in a routine charging mode; when the output current value of the power adapter is within a routine current range at a preset time interval, the power adapter communicates with the charging control module for fast-charge query; the charging control module sends a fast-charge command to the power adapter, and then the power adapter adjusts the output voltage according to battery voltage information back fed by the charging control module; and when the output voltage satisfies the fast-control voltage condition which is preset by the charging control module, the power adapter adjusts the output current and voltage in the fast-charge mode to charge the battery, and at the same time, the charging control module introduces dc from the power adapter to charge the battery, thereby achieving fast charge for the battery and shortening the charging time.

Description

Battery charger

Technical field

The utility model belongs to charging technique field, relates in particular to a kind of battery charger.

Background technology

At present, the battery of electronic equipment charges by its power supply adaptor, and power supply adaptor normally adopts the constant voltage way of output to charge to battery, and for high capacity cell, above-mentioned prior art can cause the charging interval long by the constant voltage way of output to battery charging, so cannot realize quick charge to shorten the charging interval to battery.

Utility model content

The purpose of this utility model is to provide a kind of battery charger, is intended to solve prior art and cannot realizes quick charge to shorten the problem in charging interval to battery.

The utility model is to realize like this, a kind of battery charger, it comprises power supply adaptor and charge control module, described power supply adaptor charges to the battery in electronic equipment by its communication interface, described charging module is built in described electronic equipment, and described charge control module is all connected by the communication interface of described electronic equipment and the communication interface of described power supply adaptor with described battery, and the electrode that described charge control module also connects described battery is to detect the voltage of described battery;

In the process that described battery is charged, described power supply adaptor first charges to described battery according to normal charge pattern, when the output current value of described power supply adaptor is within a preset time interval in the time that conventional current is interval, described power supply adaptor fills soon inquiry with described charge control module and communicates by letter, send and fill soon after directive command to described power supply adaptor in described charge control module, the battery voltage information that described power supply adaptor feeds back according to described charge control module is adjusted output voltage, and in the time that described output voltage meets the default charging quickly press strip of described charge control module part, described power supply adaptor is adjusted output current and output voltage so that described battery is charged according to fast charge mode, and described charge control module is introduced direct current from described power supply adaptor simultaneously described battery is charged.

The utility model comprises the battery charger of power supply adaptor and charge control module by employing, in the process that battery is charged, power supply adaptor first charges to battery according to normal charge pattern, when the output current value of power supply adaptor is within a preset time interval in the time that conventional current is interval, power supply adaptor fills soon inquiry with charge control module and communicates by letter, send and fill soon after directive command to power supply adaptor in charge control module, the battery voltage information that power supply adaptor feeds back according to charge control module is adjusted output voltage, and in the time that this output voltage meets the default charging quickly press strip of charge control module part, power supply adaptor is adjusted output current and output voltage so that battery is charged according to fast charge mode, and charge control module is introduced direct current from power supply adaptor simultaneously battery is charged, thereby realized, battery is carried out to quick charge to shorten the object in charging interval.

Brief description of the drawings

Fig. 1 is the topology diagram of the battery charger that provides of the utility model embodiment;

Fig. 2 is the realization flow figure of the method for charging batteries of the battery charger based on shown in Fig. 1;

Fig. 3 is another realization flow figure of the method for charging batteries of the battery charger based on shown in Fig. 1;

Fig. 4 is the local implementation flow chart of the method step that comprises after step S4 in the method for charging batteries shown in Fig. 2 and Fig. 3;

Fig. 5 is the specific implementation flow chart of the step S1 in the method for charging batteries shown in Fig. 2 and Fig. 3;

Fig. 6 is the specific implementation flow chart of the step S2 in the method for charging batteries shown in Fig. 2 and Fig. 3;

Fig. 7 is the specific implementation flow chart of the step S3 in the method for charging batteries shown in Fig. 2 and Fig. 3;

Fig. 8 is the specific implementation flow chart of the step S4 in the method for charging batteries shown in Fig. 2 and Fig. 3;

Fig. 9 is the exemplary module structure chart of the battery charger that provides of the utility model embodiment;

Figure 10 is the exemplary circuit structure chart of the power supply adaptor in the battery charger shown in Fig. 9;

Figure 11 is the exemplary circuit structure chart of the charge control module in the battery charger shown in Fig. 9;

Figure 12 is another exemplary circuit structure chart of the charge control module in the battery charger shown in Fig. 9.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Fig. 1 shows the topological structure of the battery charger that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model embodiment, and details are as follows:

The battery charger that the utility model embodiment provides comprises power supply adaptor 100 and charge control module 200, power supply adaptor 100 charges to the battery 300 in electronic equipment by its communication interface 10, charge control module 200 is built in electronic equipment, and charge control module 200 is all connected by the communication interface 20 of electronic equipment and the communication interface 10 of power supply adaptor 100 with battery 300, and the electrode that charge control module 200 also connects battery 300 is to detect the voltage of battery 300.Wherein, the communication interface 10 of power supply adaptor 100 and the communication interface 20 of electronic equipment can be USB interface, comprise conventional USB interface or minitype USB interface (being Micro-USB interface).

In the process that battery 300 is charged, power supply adaptor 100 first charges to battery 300 according to normal charge pattern, when the output current value of power supply adaptor 100 is within a preset time interval in the time that conventional current is interval, power supply adaptor 100 fills soon inquiry with charge control module 200 and communicates by letter, send and fill soon after directive command to power supply adaptor 100 in charge control module 200, the battery voltage information that power supply adaptor 100 feeds back according to charge control module 200 is adjusted output voltage, and in the time that this output voltage meets the default charging quickly press strip of charge control module 200 part, power supply adaptor 100 is adjusted output current and output voltage so that battery 300 is charged according to fast charge mode, and charge control module 200 is introduced direct current from power supply adaptor 100 battery 300 is charged simultaneously.

Based on the battery charger shown in Fig. 1, the utility model embodiment also can provide a kind of method for charging batteries, and as shown in Figure 2, this method for charging batteries comprises the following steps:

S1. in the process that battery 300 is charged, power supply adaptor 100 first charges to battery 300 according to normal charge pattern;

S2. when the output current value of power supply adaptor 100 is within a preset time interval in the time that conventional current is interval, power supply adaptor 100 and charge control module 200 are filled soon and are inquired and communicate by letter;

S3. send and fill soon after directive command to power supply adaptor 100 in charge control module 200, the battery voltage information that power supply adaptor 100 feeds back according to charge control module 200 is adjusted output voltage;

S4. in the time that the output voltage of power supply adaptor 100 meets the default charging quickly press strip of charge control module 200 part, power supply adaptor 100 is adjusted output current and output voltage so that battery 300 is charged according to fast charge mode, and charge control module 200 is introduced direct current from power supply adaptor 100 battery 300 is charged simultaneously.

Wherein, Preset Time interval can value is 3S(second), conventional current interval can be set as [1A, 4A].

Can there is the not situation in conventional current interval in the output current value of considering power supply adaptor 100, so, based on the method for charging batteries shown in Fig. 2, as shown in Figure 3, further comprising the steps of after step S1:

S5. power supply adaptor 100 detects judgement to output current;

S6. in the time that the output current value of power supply adaptor 100 is less than floor level of electric current, return to execution step S5;

S7. in the time that the output current value of power supply adaptor 100 is greater than upper current limit value, power supply adaptor 100 is closed direct current output.Now can be judged to be output short-circuit, export to realize short-circuit protection so power supply adaptor 100 is closed direct current.

Wherein, above-mentioned step S6 and step S7 are the method steps arranged side by side with step S2, and the output current value that is respectively used to tackle power supply adaptor 100 is less than floor level of electric current and is greater than the situation of upper current limit value; Above-mentioned floor level of electric current and upper current limit value respectively value are 1A and 4A.

After carrying out above-mentioned steps S2, consider and can exist charge control module 200 not send the situation of filling soon directive command (comprise communication failure or charge control module 200 are fed back fill soon rejection order) to power supply adaptor 100, so in the method for charging batteries shown in Fig. 3, further comprising the steps of after step S2:

S8. do not send while filling directive command soon to power supply adaptor 100 in charge control module 200, return to execution step S5.

Hence one can see that, and step S8 is the method step arranged side by side with step S3, and in charge control module 200 when indicator power adapter 100 does not enter fast charge mode, power supply adaptor 100 continues output current to detect judgement.

As shown in Figure 3, between step S3 and step S4, method for charging batteries is further comprising the steps of:

S9. power supply adaptor 100 and charge control module 200 are carried out charging quickly and are pressed inquiry to communicate by letter, and output voltage information is fed back to charge control module 200;

S10. charge control module 200 judges according to output voltage information whether the output voltage of power supply adaptor 100 meets default charging quickly press strip part.

Wherein, above-mentioned charging quickly press strip part can be that charging quickly presses specified interval or charging quickly to press rated value, if the output voltage of power supply adaptor 100 is pressed specified interval or equaled charging quickly in charging quickly and presses rated value, prove that the output voltage of power supply adaptor 100 meets charging quickly press strip part.If after step S10 carries out, charge control module 200 is not fed back any signal to power supply adaptor 100, shows communication failure between the two, power supply adaptor 100 need to be carried out reset operation.

In addition, consider that the output voltage of power supply adaptor 100 exists the situation that does not meet the default charging quickly press strip of charge control module 200 part, as shown in Figure 3, further comprising the steps of between step S10 and step S4:

S11. in the time that the output voltage of power supply adaptor 100 does not meet the default charging quickly press strip of charge control module 200 part, charge control module 200 sends voltage deviation feedback signal to power supply adaptor 100;

S12. power supply adaptor 100 is adjusted its output voltage according to voltage deviation feedback signal, and returns to execution step S10.

It should be noted that, voltage deviation feedback signal comprises low voltage feedback signal and the higher feedback signal of voltage, if low voltage, power supply adaptor 100 is heightened output voltage according to low voltage feedback signal, if voltage is higher, power supply adaptor 100 is turned down output voltage according to the higher feedback signal of voltage.

In addition, as shown in Figure 3, further comprising the steps of after step S4:

S13. charge control module 200 detects the voltage of battery 300, and whether the voltage that judges battery 300 be greater than and fill soon threshold voltage, is, performs step S14, no, returns to execution step S4;

S14. charge control module 200 stops introducing direct current from power supply adaptor 100 battery 300 is charged, and feedback is filled out code soon to power supply adaptor 100;

S15. power supply adaptor 100 exits fast charge mode according to the above-mentioned out code of filling soon, and returns to execution step S1.

In above-mentioned fast charge mode; whether abnormal in order to judge the line impedance between power supply adaptor 100 and charge control module 200; whether abnormal further to judge being connected between power supply adaptor 100 and charge control module 200 (comprising interface connection, battery contact and wire); and stop charging with protection power source adapter 100 and electronic equipment in the time that judgement is abnormal; so; in carrying out above-mentioned steps S4, as shown in Figure 4, method for charging batteries is further comprising the steps of:

S16. power supply adaptor 100 sends the first electrical quantity to charge control module 200 and obtains request, and charge control module 200 sends the second electrical quantity to power supply adaptor 100 and obtains request;

S17. according to the first electrical quantity, the input voltage information of electronic equipment and input current information are fed back to power supply adaptor 100 by the request of obtaining to charge control module 200;

S18. according to the second electrical quantity, the output voltage information of power supply adaptor 100 and output current information are fed back to charge control module 200 by the request of obtaining to power supply adaptor 100;

S19. power supply adaptor 100 judges according to input voltage information and input current information whether the difference of the input voltage of electronic equipment and the output voltage of power supply adaptor 100 is greater than abnormal threshold pressure differential, and whether the difference that judges the input current of electronic equipment and the output current of power supply adaptor 100 is greater than abnormal current difference, when the difference that is greater than the input current of abnormal threshold pressure differential and/or electronic equipment and the output current of power supply adaptor 100 when the difference of the input voltage of electronic equipment and the output voltage of power supply adaptor 100 is greater than abnormal current difference, perform step S20; When the difference of the input voltage of electronic equipment and the output voltage of power supply adaptor 100 is not more than abnormal threshold pressure differential, and the difference of the output current of the input current of electronic equipment and power supply adaptor 100 is while being not more than abnormal current difference, performs step S22;

S20. power supply adaptor 100 sends the first charging to charge control module 200 and turn-offs instruction, and closes voluntarily direct current output;

S21. charge control module 200 is turn-offed instruction according to the first charging and is informed that electronic equipment cuts out its communication interface 20;

S22. charge control module 200 judges according to output voltage information and output current information whether the difference of the input voltage of electronic equipment and the output voltage of power supply adaptor 100 is greater than abnormal threshold pressure differential, and whether the difference that judges the input current of electronic equipment and the output current of power supply adaptor 100 is greater than abnormal current difference, when the difference that is greater than the input current of abnormal threshold pressure differential and/or electronic equipment and the output current of power supply adaptor 100 when the difference of the input voltage of electronic equipment and the output voltage of power supply adaptor 100 is greater than abnormal current difference, perform step S23; When the difference of the input voltage of electronic equipment and the output voltage of power supply adaptor 100 is not more than abnormal threshold pressure differential, and the difference of the output current of the input current of electronic equipment and power supply adaptor 100 is while being not more than abnormal current difference, returns to execution step S16;

S23. charge control module 200 sends the second charging to power supply adaptor 100 and turn-offs instruction, and informs that electronic equipment cuts out its communication interface 20;

S24. power supply adaptor 100 turn-offs instruction according to the second charging and closes direct current output.

Wherein, equipment input voltage information and equipment input current information refer to respectively input voltage information and the input current information of electronic equipment.

Further, in the step S1 shown in above-mentioned Fig. 2 and Fig. 3, the step that power supply adaptor 100 charges to battery 300 according to normal charge pattern specifically comprises the following steps (as shown in Figure 5):

S101. power supply adaptor 100 detects and judges whether the voltage of communication interface 10 is greater than voltage threshold in the situation that closing direct current output, be, continue execution step S101(and now show that charge control module 200 not yet exits fast charge mode), no, perform step S102;

S102. power supply adaptor 100 is according to default conventional output voltage output direct current.

Wherein, the object that step S101 carries out voltage detecting to the communication interface 10 of power supply adaptor 100 is not exit last fast charge mode for fear of power supply adaptor 100 because of charge control module 200, and continues battery 300 to carry out the problem that battery 300 that quick charge causes overcharges.Voltage threshold can value be 2V, and conventional output voltage can be set as 5.1V.

Further, in the step S2 shown in above-mentioned Fig. 2 and Fig. 3, power supply adaptor 100 fills soon and inquires that the step of communicating by letter specifically comprises the following steps (as shown in Figure 6) with charge control module 200:

S201. power supply adaptor 100 sends and fills soon inquiry instruction to charge control module 200;

S202. charge control module 200 according to this fill soon inquiry instruction judge whether the voltage of battery 300 reaches charging quickly pressure value, be to perform step S203; No, perform step S204;

S203. charge control module 200 is fed back and is filled soon directive command to power supply adaptor 100;

S204. charge control module 200 is fed back and is filled soon rejection order to power supply adaptor 100.

Further, in the step S3 shown in above-mentioned Fig. 2 and Fig. 3, the step that the battery voltage information that power supply adaptor 100 feeds back according to charge control module 200 is adjusted output voltage specifically comprises the following steps (as shown in Figure 7):

What S301. power supply adaptor 100 sent according to charge control module 200 fill soon, and directive command sends cell voltage to charge control module 200 obtains request;

S302. according to above-mentioned cell voltage, battery voltage information is fed back to power supply adaptor 100 by the request of obtaining to charge control module 200;

S303. power supply adaptor 100 is adjusted into charging quickly according to above-mentioned battery voltage information by its output voltage and is installed with definite value.

Wherein, charging quickly is installed with definite value and can be set as cell voltage and predeterminated voltage increment size (as 0.2V) sum.In addition, if in above-mentioned steps S302, charge control module 200 cell voltage that power source-responsive adapter 100 does not send obtains request, is the communication failure between power supply adaptor 100 and charge control module 200, and now power supply adaptor 100 is carried out reset operation.

Further, in the step S4 shown in above-mentioned Fig. 2 and Fig. 3, power supply adaptor 100 adjusts output current according to fast charge mode and output voltage specifically comprises the following steps (as shown in Figure 8) with the step that battery 300 is charged:

S401. charge control module 200 is fed back the entry instruction of fast mold filling formula to power supply adaptor 100;

S402. power supply adaptor 100 is adjusted into its output current and output voltage to fill soon output current and fill soon output voltage according to fast mold filling formula entry instruction;

S403. power supply adaptor 100 sends cell voltage to charge control module 200 and obtains request;

S404. according to cell voltage, battery voltage information is fed back to power supply adaptor 100 by the request of obtaining to charge control module 200;

S405. power supply adaptor 100 judges according to battery voltage information whether the output voltage of power supply adaptor 100 and the difference of cell voltage are greater than threshold pressure differential, be, perform step S406(and now show that the line impedance between power supply adaptor 100 and charge control module 200 and battery 300 is abnormal, need power supply adaptor 100 to stop exporting direct current), no, perform step S407;

S406. power supply adaptor 100 is closed direct current output;

S407. power supply adaptor 100 is adjusted its output current according to battery voltage information, and return execution step S403, so that output current is adjusted in circulation in the process of battery 300 being carried out to quick charge, thereby can optimize the quick charge process to battery 300, to reach the object that shortens the charging interval.

Wherein, above-mentioned fill soon output current and can be set as 4A, fill soon output voltage and can be set in the arbitrary value between 3.4V to 4.8V, threshold pressure differential can value be 0.8V.

For the battery charger of realizing above-mentioned method for charging batteries and relying on, Fig. 9 shows its exemplary module structure, for convenience of explanation, only shows the part relevant to the utility model embodiment, and details are as follows:

Power supply adaptor 100 comprises EMI filter circuit 101, high-voltage rectifying filter circuit 102, isolating transformer 103, output filter circuit 104 and voltage-tracing and control circuit 105; Civil power carries out after electromagnetic interference filtering through EMI filter circuit 101, carry out rectifying and wave-filtering by high-voltage rectifying filter circuit 102 and process output high voltage direct current, this high voltage direct current export to after by isolating transformer 103 electrical isolation output filter circuit 104 taking after carrying out filtering and processing for battery charges, voltage-tracing and control circuit 105 are adjusted the output voltage of isolating transformer 103 according to the output voltage of output filter circuit 104.

Power supply adaptor 100 also comprises power module 106, main control module 107, current potential adjusting module 108, current detection module 109, voltage detection module 110 and output switch module 111.

The input of power module 106 connects the secondary end of isolating transformer 103, the power end of main control module 107, the power end of the power end of current potential adjusting module 108 and current detection module 109 is connected to the output of power module 106 altogether, the hot end of main control module 107 and the hot end of current potential adjusting module 108 are all connected the positive output end of output filter circuit 104, the current potential adjustable side of current potential adjusting module 108 connects voltage-tracing and control circuit 105, the direct-flow input end of current detection module 109 connects the positive output end of output filter circuit 104, the inspection stream feedback end of current detection module 109 connects the current detecting end of main control module 107, the output terminal of clock of main control module 107 is connected input end of clock and the data input pin of current potential adjusting module 108 with data output end, the first test side of voltage detection module 110 is connected respectively the DC output end of current detection module 109 and the negative output terminal of output filter circuit 104 with the second test side, the first output of voltage detection module 110 and the second output are connected respectively the first voltage detecting end and the second voltage test side of main control module 107, the input of output switch module 111 connects the DC output end of current detection module 109, the output of output switch module 111 connects the 3rd test side of voltage detection module 110, the earth terminal of output switch module 111 connects the negative output terminal of output filter circuit 104, the controlled end of output switch module 111 is connected respectively the switch control end of main control module 107 and the secondary end of isolating transformer 103 with power end, the output negative terminal of output filter circuit 104, the output of output switch module 111, the first communication ends of main control module 107 and second communication end are all connected the communication interface 10 of power supply adaptor 100.

In the time that power supply adaptor 100 first charges to battery 300 according to normal charge pattern, main control module 107 is controlled the direct current output of output switch module 111 powered-down adapters 100, voltage detection module 110 to the output voltage of power supply adaptor 100 detect and feedback voltage detection signal to main control module 107, main control module 107 judges according to this voltage detection signal whether the output voltage of power supply adaptor 100 is greater than voltage threshold, be, voltage detection module 110 continues the output voltage of power supply adaptor 100 to detect judgement, no, main control module 107 is controlled the direct current output of output switch module 111 opening power adapters 100, and follow the tracks of with control circuit 105 output voltage of isolating transformer 103 is set as to conventional output voltage by current potential adjusting module 108 driving voltages, current detection module 109 to the output current of power supply adaptor 100 detect and feedback current detection signal to main control module 107, the output current of judging power supply adaptor 100 according to this current detection signal when main control module 107 is within a preset time interval in the time that conventional current is interval, main control module 107 fills soon inquiry with charge control module 200 and communicates by letter, send and fill soon after directive command to main control module 107 in charge control module 200, the battery voltage information that main control module 107 feeds back according to charge control module 200 is followed the tracks of with control circuit 105 output voltage of isolating transformer 103 is adjusted to (being the output voltage of adjusting power supply adaptor 100) by current potential adjusting module 108 driving voltages, and in the time that the output voltage of power supply adaptor 100 meets the default charging quickly press strip of charge control module 200 part, main control module 107 by current potential adjusting module 108 driving voltages follow the tracks of with control circuit 105 adjust isolating transformer 103 output voltage so that power supply adaptor 100 according to fill soon output current and fill soon output voltage export direct current, and charge control module 200 is introduced direct current from power supply adaptor 100 battery 300 is charged simultaneously.

Wherein, in the time that power supply adaptor 100 first charges to battery 300 according to normal charge pattern, if the output current value of power supply adaptor 100 is less than floor level of electric current (as 1A), current detection module 109 continue to the output current of power supply adaptor 100 detect and feedback current detection signal to main control module 107; If the output current value of power supply adaptor 100 is greater than upper current limit value (as 4A), main control module 107 is controlled the direct current of output switch module 111 powered-down adapters 100 and is exported to realize short-circuit protection.

Fill soon and inquire in the process of communicating by letter in above-mentioned main control module 107 and charge control module 200, main control module 107 sends and fills soon inquiry instruction to charge control module 200, charge control module 200 according to this fill soon inquiry instruction judge whether the voltage of battery 300 reaches charging quickly pressure value, be, feed back and fill soon directive command to main control module 107, no, feed back and fill soon rejection order to main control module 107.

The battery voltage information that above-mentioned main control module 107 feeds back according to charge control module 200 is followed the tracks of in the process of the output voltage of isolating transformer 103 being adjusted with control circuit 105 by current potential adjusting module 108 driving voltages, what main control module 107 sent according to charge control module 200 fill soon, and directive command sends cell voltage to charge control module 200 obtains request, according to this cell voltage, battery voltage information is fed back to main control module 107 by the request of obtaining to charge control module 200, main control module 107 is adjusted into above-mentioned charging quickly with control circuit 105 by the output voltage of isolating transformer 103 by the 108 driving voltages tracking of current potential adjusting module according to this battery voltage information and is installed with definite value.

When the above-mentioned output voltage at power supply adaptor 100 meets the default charging quickly press strip of charge control module 200 part (press specified interval or equal charging quickly in charging quickly and press rated value), main control module 107 by current potential adjusting module 108 driving voltages follow the tracks of with control circuit 105 adjust isolating transformer 103 output voltage so that power supply adaptor 100 according to filling soon output current and filling soon output voltage output direct current, and 200 whiles of charge control module introduce from power supply adaptor 100 process that direct current charges to battery 300 and be specially:

Main control module 107 carries out charging quickly with charge control module 200 and presses inquiry to communicate by letter, and output voltage information is fed back to charge control module 200 by main control module 107; When the output voltage of power supply adaptor 100 is pressed specified interval or equaled charging quickly while pressing rated value in charging quickly, charge control module 200 judges that the output voltage of power supply adaptor 100 meets the default charging quickly press strip of charge control module 200 part, and feeds back the entry instruction of fast mold filling formula to main control module 107; According to this fast mold filling formula entry instruction, main control module 107 by current potential adjusting module 108 driving voltages follow the tracks of with control circuit 105 adjust isolating transformer 103 output voltage so that power supply adaptor 100 according to filling soon output current and filling soon output voltage output direct current, and 200 whiles of charge control module introduce direct current from power supply adaptor 100 battery 300 charged.In addition, in the time that the output voltage of power supply adaptor 100 does not meet the default charging quickly press strip of charge control module 200 part (do not press specified interval or be not equal to charging quickly in charging quickly and press rated value), charge control module 200 sends voltage deviation feedback signal to main control module 107, and main control module 107 is followed the tracks of and continued to carry out charging quickly pressure with charge control module 200 after adjusting the output voltage of isolating transformer 103 with control circuit 105 and inquire and communicate by letter by current potential adjusting module 108 driving voltages according to this voltage deviation feedback signal.Particularly, voltage deviation feedback signal comprises low voltage feedback signal and the higher feedback signal of voltage, if low voltage, main control module 107 follows the tracks of by current potential adjusting module 108 driving voltages the output voltage of heightening isolating transformer 103 with control circuit 105 according to low voltage feedback signal; If voltage is higher, main control module 107 follows the tracks of by current potential adjusting module 108 driving voltages the output voltage of turning down isolating transformer 103 with control circuit 105 according to the higher feedback signal of voltage.

Further, above-mentioned according to this fast mold filling formula entry instruction, main control module 107 by current potential adjusting module 108 driving voltages follow the tracks of with control circuit 105 adjust isolating transformer 103 output voltage so that power supply adaptor 100 according to filling soon output current and filling soon output voltage and export galvanic process and be specially:

Main control module 107 is followed the tracks of with control circuit 105 output voltage of isolating transformer 103 is adjusted by current potential adjusting module 108 driving voltages, thereby the output current of power supply adaptor 100 and output voltage are adjusted into respectively to be filled soon output current (as 4A) and fills soon output voltage (can be the arbitrary value in 3.4V～4.8V), main control module 107 obtains battery voltage information from charge control module 300, and the voltage detection signal feeding back according to voltage detection module 110 judges whether the output voltage of power supply adaptor 100 and the difference of cell voltage are greater than threshold pressure differential (as 0.8V), be, show that the line impedance between power supply adaptor 100 and charge control module 200 and battery 300 is abnormal, main control module 107 is controlled the direct current output of output switch module 111 powered-down adapters 100, no, main control module 107 follows the tracks of by current potential adjusting module 108 driving voltages the output voltage of adjusting isolating transformer 103 with control circuit 105 according to battery voltage information, so that the output current of power supply adaptor 100 is adjusted, and continue to obtain battery voltage information from charge control module 300, so that the output current of power supply adaptor 100 is adjusted in circulation in the process of battery 300 being carried out to quick charge, thereby can optimize the quick charge process to battery 300, to reach the object that shortens the charging interval.

In addition, above-mentioned main control module 107 by current potential adjusting module 108 driving voltages follow the tracks of with control circuit 105 adjust isolating transformer 103 output voltage so that power supply adaptor 100 according to filling soon output current and filling soon output voltage and export the galvanic while, charge control module 200 detects the voltage of battery 300, if being greater than, the voltage of battery 300 fills soon threshold voltage (as 4.35V), charge control module 200 stops introducing direct current from power supply adaptor 100 battery 300 is charged, and feedback is filled out code soon to main control module 107.So, main control module 107 can fill soon out code and exits fast charge mode according to this, and returns to normal charge pattern.

Figure 10 shows the exemplary circuit structure of the power supply adaptor in the battery charger that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model embodiment, and details are as follows:

Power module 106 comprises:

The first capacitor C 1, voltage stabilizing chip U1, the second capacitor C 2, the first inductance L 1, the second inductance L 2, the first diode D1, the second diode D2, the 3rd capacitor C 3, the first resistance R 1 and the second resistance R 2;

The input power pin Vin of the first end of the first capacitor C 1 and voltage stabilizing chip U1 and the common contact of enable pin EN are the input of power module 106, the ground pin GND of the second end of the first capacitor C 1 and voltage stabilizing chip U1 is connected to ground altogether, the switch pin SW of voltage stabilizing chip U1 and the first end of the second capacitor C 2 are connected to the first end of the first inductance L 1 altogether, the second end of the internal switch pin BOOTSTRAP of voltage stabilizing chip U1 and the second capacitor C 2 is connected to the negative electrode of the first diode D1 altogether, the feedback voltage pin FB of voltage stabilizing chip U1 is connected with the first end of the first resistance R 1 and the first end of the second resistance R 2, the second end of the first inductance L 1 and the negative electrode of the second diode D2 are connected to the first end of the second inductance L 2 altogether, the second end of the second inductance L 2 and the anode of the first diode D1, it is the output of power module 106 that the second end of the first resistance R 1 and the first end of the 3rd capacitor C 3 connect formed common contact altogether, the second end of the second end of the anode of the second diode D2 and the second resistance R 2 and the 3rd capacitor C 3 is connected to ground altogether.Wherein, power module 106 taking voltage stabilizing chip U1 as core to the secondary end voltage of isolating transformer 103 carry out voltage transformation process after the voltage of output+3.3V power as main control module 107, current potential adjusting module 108 and current detection module 109; Voltage stabilizing chip U1 can be specifically that model is the buck DC-DC converter of MCP16301.

Main control module 107 comprises:

Main control chip U2, the 3rd resistance R 3, reference voltage chip U3, the 4th resistance R 4, the 5th resistance R 5, the 4th capacitor C 4, the 6th resistance R 6, the 7th resistance R 7, a NMOS pipe Q1, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11, the 12 resistance R the 12, the 13 resistance R the 13 and the 14 resistance R 14;

The supply pin VDD of main control chip U3 is the power end of main control module 107, the lower margin VSS ground connection of main control chip U3, the first input and output pin RA0 sky of main control chip U3 connects, the first end of the 3rd resistance R 3 connects the supply pin VDD of main control chip U3, the second end of the 3rd resistance R 3 and the first end of the 4th resistance R 4 are connected to the anodal CATHODE of reference voltage chip U3 altogether, the negative pole ANODE ground connection of reference voltage chip U3, the empty pin NC sky of reference voltage chip U3 connects, the second end of the 4th resistance R 4 connects the second input and output pin RA1 of main control chip U2, the 3rd input and output pin RA2 of main control chip U2 is the current detecting end of main control module 107, the 4th input and output pin RA3 of main control chip U2 connects the first end of the 5th resistance R 5, the second end of the 5th resistance R 5 and the first end of the 4th capacitor C 4 are connected to the supply pin VDD of main control chip U2 altogether, the second end ground connection of the 4th capacitor C 4, the 5th input and output pin RA4 of main control chip U2 is the switch control end of main control module 107, the 6th input and output pin RA5 of main control chip U2 connects the first end of the 6th resistance R 6, the grid of the second end of the 6th resistance R 6 and NMOS pipe Q1 is connected to the first end of the 7th resistance R 7 altogether, the source electrode of the second end of the 7th resistance R 7 and NMOS pipe Q1 is connected to ground altogether, the drain electrode of the one NMOS pipe Q1 connects the first end of the 8th resistance R 8, the second end of the 8th resistance R 8 is the hot end of main control module 107, the 7th input and output pin RC0 of main control chip U2 and the 8th input and output pin RC1 are respectively output terminal of clock and the data output end of main control module 107, the tenth input and output pin RC3 of main control chip U2 and the 9th input and output pin RC2 are respectively the first voltage detecting end and the second voltage test side of main control module 107, the 11 input and output pin RC4 of main control chip U2 is connected respectively the first end of the 9th resistance R 9 and the first end of the tenth resistance R 10 with the 12 input and output pin RC5, the 11 first end of resistance R 11 and the first end of the 12 resistance R 12 are connected respectively the second end of the 9th resistance R 9 and the second end of the tenth resistance R 10, the second end of the 11 resistance R 11 and the second end of the 12 resistance R 12 are connected to ground altogether, the 13 first end of resistance R 13 and the first end of the 14 resistance R 14 are connected respectively the second end of the 9th resistance R 9 and the second end of the tenth resistance R 10, the second end of the 13 resistance R 13 and the second end of the 14 resistance R 14 are connected to the supply pin VDD of main control chip U2 altogether, the second end of the second end of the 9th resistance R 9 and the tenth resistance R 10 is respectively the first communication ends and the second communication end of main control module 107.Wherein, main control chip U2 can be specifically that model is the single-chip microcomputer of PIC12LF1822, PIC12F1822, PIC16LF1823 or PIC16F1823, and reference voltage chip U3 can be that model is the voltage reference device of LM4040.

Current potential adjusting module 108 comprises:

The 15 resistance R the 15, the 16 resistance R 16, digital regulation resistance U4, the 17 resistance R the 17, the 18 resistance R 18, the 5th capacitor C 5, the 6th capacitor C the 6 and the 19 resistance R 19;

The 15 first end of resistance R 15 and the first end of the 16 resistance R 16, the common contact of the supply pin VDD of digital regulation resistance U4 and the first end of the 5th capacitor C 5 is the power end of current potential adjusting module 108, the second end of the 5th capacitor C 5 and the first end of the 6th capacitor C 6, the lower margin VSS of digital regulation resistance U4 and the first end of the 17 resistance R 17 are connected to ground altogether, the second end of the 6th capacitor C 6 connects the supply pin VDD of digital regulation resistance U4, the common contact of the serial data pin SDA of the second end of the 15 resistance R 15 and digital regulation resistance U4 is the data input pin of current potential adjusting module 108, the common contact of the clock input pin SCL of the second end of the 16 resistance R 16 and digital regulation resistance U4 is the input end of clock of current potential adjusting module 108, the address zero pin A0 ground connection of digital regulation resistance U4, the first electric potential connection pin P0A of digital regulation resistance U4 and the first end of the 18 resistance R 18 are connected to the second end of the 17 resistance R 17 altogether, the second electric potential connection pin P0B of the second end of the 18 resistance R 18 and digital regulation resistance U4 is connected to the first end of the 19 resistance R 19 altogether, the second end of the 19 resistance R 19 is the hot end of current potential adjusting module 108, the current potential tap pin P0W of digital regulation resistance U4 is the current potential adjustable side of current potential adjusting module 108.Wherein, digital regulation resistance U4 adjusts inner slide rheostat according to clock signal and the data-signal of main control chip U2 output, thereby the current potential of the tap terminals (being the current potential tap pin P0W of digital regulation resistance U4) of inner slide rheostat is changed, and then make voltage-tracing and control circuit 104 follow this potential change the output voltage of isolating transformer 103 is adjusted; Digital regulation resistance U4 can be specifically the digital regulation resistance of MCP45X1.

Current detection module 109 comprises:

The 20 resistance R the 20, the 21 resistance R the 21, the 22 resistance R 22, the 7th capacitor C 7, the 8th capacitor C 8, inspection stream chip U5, the 23 resistance R 23, the tenth capacitor C 9, the tenth capacitor C the 10 and the 24 resistance R 24;

The first end of the 20 resistance R 20 and the second end are respectively direct-flow input end and the DC output end of current detection module 109, the 21 first end of resistance R 21 and the first end of the 22 resistance R 22 are connected respectively first end and second end of the 20 resistance R 20, the second end of the 21 resistance R 21 and the first end of the 7th capacitor C 7 are connected to the positive pin IN+ of input of inspection stream chip U5 altogether, the second end of the 22 resistance R 22 and the first end of the 8th capacitor C 8 are connected to the negative pin IN-of input of inspection stream chip U5 altogether, the common contact of the supply pin V+ of inspection stream chip U5 and the first end of the 9th capacitor C 9 is the power end of current detection module 109, the empty pin NC sky of inspection stream chip U5 connects, the output pin OUT of inspection stream chip U5 connects the first end of the 23 resistance R 23, the second end of the 23 resistance R 23 is the inspection stream feedback end of current detection module 109, the tenth first end of capacitor C 10 and the first end of the 24 resistance R 24 are connected to the second end of the 23 resistance R 23 altogether, the second end of the second end of the 7th capacitor C 7 and the 8th capacitor C 8, the second end of the 9th capacitor C 9, the second end of the tenth capacitor C 10, the second end of the 24 resistance R 24, the lower margin GND of inspection stream chip U5, the first reference voltage pin REF1 and the second reference voltage pin REF2 are connected to ground altogether.Wherein, the 20 resistance R 20 as inspection leakage resistances the output current (being the output current of power supply adaptor 100) to output filter circuit 104 sample, then by inspection flow chip U5 according to the Voltage-output current detection signal at the 20 resistance R 20 two ends to main control chip U2; Inspection stream chip U5 can be specifically that model is the current distributing watch-dog of INA286.

Voltage detection module 110 comprises:

The 25 resistance R the 25, the 26 resistance R the 26, the 11 capacitor C the 11, the 12 capacitor C the 12, the 27 resistance R the 27 and the 28 resistance R 28;

The first end of the 25 resistance R 25 is the first test side of voltage detection module 110, the second end of the 25 resistance R 25 and the common contact of the 26 first end of resistance R 26 and the first end of the 11 capacitor C 11 are the second output of voltage detection module 110, the second end of the 26 resistance R 26 is the second test side of voltage detection module 110, the second end of the 11 capacitor C 11 and the 12 first end of capacitor C 12 and the first end of the 27 resistance R 27 are connected to the second end of the 26 resistance R 26 altogether, the common contact of the second end of the 12 capacitor C 12 and the second end of the 27 resistance R 27 and the first end of the 28 resistance R 28 is the first output of voltage detection module 110, the second end of the 28 resistance R 28 is the 3rd test side of voltage detection module 110.

Output switch module 111 comprises:

The 29 resistance R the 29, the 30 resistance R the 30, the 13 capacitor C the 13, the 31 resistance R 31, a NPN type triode N1, the 32 resistance R 32, the 2nd NPN type triode N2, the 3rd diode D3, voltage stabilizing didoe ZD, the 33 resistance R the 33, the 34 resistance R the 34, the 35 resistance R 35, the 2nd NMOS pipe Q2 and the 3rd NMOS pipe Q3;

The first end of the 29 resistance R 29 is the controlled end of output switch module 111, the second end of the 29 resistance R 29 and the first end of the 30 resistance R 30 are connected to the base stage of a NPN type triode N1 altogether, the first end of the 13 capacitor C 13 and the 31 first end of resistance R 31 and the first end of the 32 resistance R 32 are connected to the negative electrode of the 3rd diode D3 altogether, the anode of the 3rd diode D3 is the power end of output switch module 111, the base stage of the second end of the 31 resistance R 31 and the 2nd NPN type triode N2 is connected to the collector electrode of a NPN type triode N1 altogether, the second end of the 32 resistance R 32 and the negative electrode of voltage stabilizing didoe ZD and the first end of the 33 resistance R 33 are connected to the collector electrode of the 2nd NPN type triode N2 altogether, the second end of the 30 resistance R 30 and the second end of the 13 capacitor C 13, the emitter of the one NPN type triode N1, the 2nd emitter of NPN type triode N2 and the anode of voltage stabilizing didoe ZD are connected to ground altogether, the second end of the 33 resistance R 33 and the first end of the 34 resistance R 34, the first end of the 35 resistance R 35, the grid of the grid of the 2nd NMOS pipe Q2 and the 3rd NMOS pipe Q3 connects altogether, the second end of the 34 resistance R 34 is the earth terminal of output switch module 111, the drain electrode of the 2nd NMOS pipe Q2 is the input of output switch module 111, the 2nd NMOS pipe source electrode of Q2 and the second end of the 35 resistance R 35 are connected to the source electrode of the 3rd NMOS pipe Q3 altogether, the drain electrode of the 3rd NMOS pipe Q3 is the output of output switch module 111.Wherein, the 2nd NMOS pipe Q2 and the 3rd NMOS pipe Q3 conducting simultaneously or cut-off are with the direct current output of unlatching or powered-down power supply adaptor 100.

Figure 11 shows the exemplary circuit structure of the charge control module in the battery charger that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant to the utility model embodiment, and details are as follows:

Charge control module 200 comprises:

Battery connector J1, master controller U6, the 13 capacitor C the 13, the 36 resistance R the 36, the 37 resistance R the 37, the 14 capacitor C 14, the first Schottky diode SD1, the second Schottky diode SD2, the 15 capacitor C the 15, the 38 resistance R the 38, the 39 resistance R the 39, the 40 resistance R 40, the 3rd NPN type triode N3, the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5;

Battery connector J1 connects multiple electrodes of battery 300, the first pin 5A-1 of battery connector J1 and crus secunda 5A-2 are connected to ground altogether, the first grounding leg GND1 of battery connector J1 and the second grounding leg GND2 are connected to ground altogether, the first input and output pin RA0 of master controller U6 is connected with the 7th pin 5A-3 and the octal 5A-4 of battery connector J1, the second input and output pin RA1 of master controller U6, the 7th input and output pin RC0, the 8th input and output pin RC1 and the 9th input and output pin RC2 respectively with the 6th pin 2A-4 of battery connector J1, the 5th pin 2A-3, the 4th pin 2A-2 and tripod 2A-1 connect, the simulation lower margin VSS of master controller U6 and the equal ground connection of lower margin GND, the first empty pin NC0 of master controller U6 and the equal sky of the second empty pin NC1 connect, the supply pin VDD of master controller U6 and the first end of the 13 capacitor C 13 all connect altogether with the 7th pin 5A-3 and the octal 5A-4 of battery connector J1, the 4th input and output pin RA3 of master controller U6 and the 11 input and output pin RC4 and electronic equipment carry out data communication, the 36 resistance R 36 is connected between the 4th input and output pin RA3 and supply pin VDD of master controller U6, the 6th input and output pin RA5 and the 12 input and output pin RC5 of master controller U6 is connected respectively the first communication ends and the second communication end of the main control module 107 in power supply adaptor 100, the 37 first end of resistance R 37 and the first end of the 38 resistance R 38 are connected to the tenth input/output terminal RC3 of master controller U6 altogether, the second end of the 37 resistance R 37 connects the supply pin VDD of master controller U6, the second end of the 38 resistance R 38 connects the base stage of the 3rd NPN type triode N3, the 5th input/output terminal RA4 of master controller U6 connects the first end of the 14 capacitor C 14, the second end of the 14 capacitor C 14 and the negative electrode of the first Schottky diode SD1 are connected to the anode of the second Schottky diode SD2 altogether, the 39 first end of resistance R 39 and the first end of the 15 capacitor C 15 are connected to the negative electrode of the second Schottky diode SD2 altogether, the second end of the 39 resistance R 39 is all connected the grid of the 4th NMOS pipe Q4 and the grid of the 5th NMOS pipe Q5 with the collector electrode of the first end of the 40 resistance R 40 and the 3rd NPN type triode N3, the second end of the 40 resistance R 40 and the second end of the 15 capacitor C 15 are connected to ground altogether, the source electrode of the 4th NMOS pipe Q4 connects the anode of the first Schottky diode SD1, and be also connected with the 7th pin 5A-3 and the octal 5A-4 of battery connector J1, the drain electrode of the 4th NMOS pipe Q4 connects the drain electrode of the 5th NMOS pipe Q5, the power line VBUS of the 5th NMOS pipe source electrode of Q5 and the communication interface 10 of power supply adaptor 100 is connected, the emitter of the 3rd NPN type triode N3 connects the anode of the 3rd Schottky diode SD3, the minus earth of the 3rd Schottky diode SD3.Wherein, master controller U6 can be specifically that model is the single-chip microcomputer of PIC12LF1501, PIC12F1501, PIC16LF1503, PIC16F1503, PIC16LF1507, PIC16F1507, PIC16LF1508, PIC16F1508, PIC16LF1509 or PIC16F1509.

In the time that power supply adaptor 100 works in fast charge mode, it is by its 5th input and output pin RA4 output control signal control the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5 conducting by master controller U6 that charge control module 200 introduces from power supply adaptor 100 that direct current charges to battery 300, and control the 3rd NPN type triode N3 by its tenth input and output pin RC3 and turn-off, thereby introducing direct current from the communication interface 10 of power supply adaptor 100 charges to battery 300, because battery 300 itself just obtains direct current from power supply adaptor 100, so introducing direct current, charge control module 200 can play the effect that increases the charging current to battery 300, thereby realize the quick charge to battery 300, otherwise, in the time that needs carry out normal charge to battery 300, master controller U6 turn-offs by its 5th input and output pin RA4 output low level control the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5, and by its tenth input and output pin RC3 output high level control the 3rd NPN type triode N3 conducting.

Master controller U6 carries out data communication by its 4th input and output pin RA3 and the 11 input and output pin RC4 and electronic equipment, in the time that the power supply part of electronic equipment is battery 300, can be specifically that master controller U6 sends the voltage of battery 300 and information about power to electronic equipment (as mobile phone), and master controller U6 can also judge whether battery 300 completes quick charge process according to the voltage of battery 300, if so, can feed back fill soon turn-off instruction inform that electronic equipment switches to normal charge pattern by charge mode from fast charge mode; In the process of battery 300 being charged at power supply adaptor 100, if disconnecting suddenly between power supply adaptor 100 and battery 300, master controller U6 is detected the voltage of battery 300 and is fed back charging termination instruction and inform that electronic equipment stops the charging process to battery 300 by battery connector J1; In addition, if electronic equipment can detect the temperature of battery 300, and in the time of temperature anomaly, inform that master controller U6 turn-offs the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5, to stop that battery 300 is carried out to quick charge, electronic equipment switches to normal charge pattern by charge mode from fast charge mode simultaneously.

In addition, work in fast charge mode at power supply adaptor 100, and charge control module 200 is introduced the process that direct current charges to battery 300 from power supply adaptor 100, if the power line VBUS of the communication interface 10 of power supply adaptor 100 and power line VBUS and the ground wire GND reversal connection (the power line VBUS and the ground wire GND that are the communication interface 10 of power supply adaptor 100 respectively with the ground of charge control module 200 and the source electrode of five NMOS pipe Q5 be connected) of ground wire GND with the communication interface 20 of electronic equipment, now the ground in charge control module 200 can access direct current, and the source electrode meeting ground connection of the 5th NMOS pipe Q5, for fear of the problem that causes components and parts to damage, as shown in figure 12, charge control module 200 can further include the 6th NMOS pipe Q6, the 7th NMOS pipe Q7 and the 41 resistance R 41, the source electrode of the 6th NMOS pipe Q6 connects the source electrode of the 5th NMOS pipe Q5, the drain electrode of the 6th NMOS pipe Q6 connects the drain electrode of the 7th NMOS pipe Q7, the source electrode of the 7th NMOS pipe Q7 connects the collector electrode of the 3rd NPN type triode N3, the grid of the grid of the 6th NMOS pipe Q6 and the 7th NMOS pipe Q7 is connected to the first end of the 41 resistance R 41, the second end ground connection of the 41 resistance R 41 altogether.

In the time there is above-mentioned reversal connection problem; the second end of the 41 resistance R 41 turn-offs to drive the 6th NMOS pipe Q6 and the 7th NMOS to manage Q7 from ground access direct current; thereby make the direct current that enters charge control module 200 from ground cannot form loop, the object not being damaged with the components and parts that reach in protection charge control module 200.

In sum, the utility model embodiment comprises the battery charger of power supply adaptor 100 and charge control module 200 by employing, in the process that battery 300 is charged, power supply adaptor 100 first charges to battery according to normal charge pattern, when the output current value of power supply adaptor is within a preset time interval in the time that conventional current is interval, power supply adaptor fills soon inquiry with charge control module and communicates by letter, send and fill soon after directive command to power supply adaptor in charge control module, the battery voltage information that power supply adaptor feeds back according to charge control module is adjusted output voltage, and in the time that this output voltage meets the default charging quickly press strip of charge control module part, power supply adaptor adjusts output current according to fast charge mode and output voltage charges to battery, and charge control module is introduced direct current from power supply adaptor simultaneously battery is charged, thereby realized, battery is carried out to quick charge to shorten the object in charging interval.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims

1. a battery charger, it is characterized in that, described battery charger comprises power supply adaptor and charge control module, described power supply adaptor charges to the battery in electronic equipment by its communication interface, described charging module is built in described electronic equipment, and described charge control module is all connected by the communication interface of described electronic equipment and the communication interface of described power supply adaptor with described battery, and the electrode that described charge control module also connects described battery is to detect the voltage of described battery;

2. battery charger as claimed in claim 1, is characterized in that, described power supply adaptor comprises EMI filter circuit, high-voltage rectifying filter circuit, isolating transformer, output filter circuit and voltage-tracing and control circuit; Civil power carries out after electromagnetic interference filtering through described EMI filter circuit, carry out rectifying and wave-filtering by described high-voltage rectifying filter circuit and process output high voltage direct current, described high voltage direct current export to after by described isolating transformer electrical isolation described output filter circuit taking after carrying out filtering and processing for battery charges, described voltage-tracing and control circuit are adjusted the output voltage of described isolating transformer according to the output voltage of described output filter circuit;

Described power supply adaptor also comprises power module, main control module, current potential adjusting module, current detection module, voltage detection module and output switch module;

The input of described power module connects the secondary end of described isolating transformer, the power end of described main control module, the power end of described current potential adjusting module and the power end of described current detection module are connected to the output of described power module altogether, the hot end of described main control module and the hot end of described current potential adjusting module are all connected the positive output end of described output filter circuit, the current potential adjustable side of described current potential adjusting module connects described voltage-tracing and control circuit, the direct-flow input end of described current detection module connects the positive output end of described output filter circuit, the inspection stream feedback end of described current detection module connects the current detecting end of described main control module, the output terminal of clock of described main control module is connected input end of clock and the data input pin of described current potential adjusting module with data output end, the first test side of described voltage detection module is connected respectively the DC output end of described current detection module and the negative output terminal of described output filter circuit with the second test side, the first output of described voltage detection module and the second output are connected respectively the first voltage detecting end and the second voltage test side of described main control module, the input of described output switch module connects the DC output end of described current detection module, the output of described output switch module connects the 3rd test side of described voltage detection module, the earth terminal of described output switch module connects the negative output terminal of described output filter circuit, the controlled end of described output switch module is connected respectively the switch control end of described main control module and the secondary end of described isolating transformer with power end, the output negative terminal of described output filter circuit, the output of described output switch module, the first communication ends of described main control module and second communication end are all connected the communication interface of described power supply adaptor,

In the time that described power supply adaptor first charges to described battery according to normal charge pattern, described in described master control module controls, output switch module is closed the direct current output of described power supply adaptor, described voltage detection module detects the output voltage of described power supply adaptor and extremely described main control module of feedback voltage detection signal, described main control module judges according to described voltage detection signal whether the output voltage of described power supply adaptor is greater than voltage threshold, be, described main control module continues the output voltage of described power supply adaptor to judge, no, the direct current output that described in described master control module controls, output switch module is opened described power supply adaptor, and drive described voltage-tracing and control circuit that the output voltage of described isolating transformer is set as to conventional output voltage by described current potential adjusting module, described current detection module detects the output current of described power supply adaptor and extremely described main control module of feedback current detection signal, the output current of judging described power supply adaptor according to described current detection signal when described main control module is within a preset time interval in the time that conventional current is interval, described main control module fills soon inquiry with described charge control module and communicates by letter, send and fill soon after directive command to described main control module in described charge control module, the battery voltage information that described main control module feeds back according to described charge control module drives described voltage-tracing and control circuit to adjust the output voltage of described isolating transformer by described current potential adjusting module, and in the time that the output voltage of described power supply adaptor meets the default charging quickly press strip of described charge control module part, described main control module by described current potential adjusting module drive described voltage-tracing and control circuit adjust described isolating transformer output voltage so that described power supply adaptor according to filling soon output current and filling soon output voltage values output direct current, and described charge control module is introduced direct current from described power supply adaptor simultaneously described battery is charged.

3. battery charger as claimed in claim 2, is characterized in that, described power module comprises:

The first electric capacity, voltage stabilizing chip, the second electric capacity, the first inductance, the second inductance, the first diode, the second diode, the 3rd electric capacity, the first resistance and the second resistance;

The input that the input power pin of the first end of described the first electric capacity and described voltage stabilizing chip and the common contact of enable pin are described power module, the second end of described the first electric capacity and the ground pin of described voltage stabilizing chip are connected to ground altogether, the first end of the switch pin of described voltage stabilizing chip and described the second electric capacity is connected to the first end of described the first inductance altogether, the internal switch pin of described voltage stabilizing chip and the second end of described the second electric capacity are connected to the negative electrode of described the first diode altogether, the feedback voltage pin of described voltage stabilizing chip is connected with the first end of the first end of described the first resistance and described the second resistance, the second end of described the first inductance and the negative electrode of described the second diode are connected to the first end of described the second inductance altogether, the second end of described the second inductance and the anode of described the first diode, the second end of described the first resistance and the first end of described the 3rd electric capacity connect the output that formed common contact is described power module altogether, the second end of the second end of the anode of described the second diode and described the second resistance and described the 3rd electric capacity is connected to ground altogether.

4. battery charger as claimed in claim 2, is characterized in that, described main control module comprises:

Main control chip, the 3rd resistance, reference voltage chip, the 4th resistance, the 5th resistance, the 4th electric capacity, the 6th resistance, the 7th resistance, a NMOS pipe, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance and the 14 resistance;

The supply pin of described main control chip is the power end of described main control module, the lower margin ground connection of described main control chip, the first input and output pin sky of described main control chip connects, the first end of described the 3rd resistance connects the supply pin of described main control chip, the second end of described the 3rd resistance and the first end of described the 4th resistance are connected to the positive pole of described reference voltage chip altogether, the minus earth of described reference voltage chip, the empty pin sky of described reference voltage chip U3 connects, the second end of described the 4th resistance connects the second input and output pin of described main control chip, the current detecting end that the 3rd input and output pin of described main control chip is described main control module, the 4th input and output pin of described main control chip connects the first end of described the 5th resistance, the second end of described the 5th resistance and the first end of described the 4th electricity are connected to the supply pin of described main control chip altogether, the second end ground connection of described the 4th electric capacity, the switch control end that the 5th input and output pin of described main control chip is described main control module, the 6th input and output pin of described main control chip connects the first end of described the 6th resistance, the second end of described the 6th resistance and the grid of a described NMOS pipe are connected to the first end of described the 7th resistance altogether, the second end of described the 7th resistance and the source electrode of a described NMOS pipe are connected to ground altogether, the drain electrode of a described NMOS pipe connects the first end of described the 8th resistance, the hot end that the second end of described the 8th resistance is described main control module, the 7th input and output pin of described main control chip and the 8th input and output pin are respectively output terminal of clock and the data output end of described main control module, the tenth input and output pin of described main control chip and the 9th input and output pin are respectively the first voltage detecting end and the second voltage test side of described main control module, the 11 input and output pin of described main control chip is connected respectively the first end of described the 9th resistance and the first end of described the tenth resistance with described the 12 input and output pin, the second end of the described connection of first end difference the 9th resistance of the first end of described the 11 resistance and described the 12 resistance and the second end of described the tenth resistance, the second end of described the 11 resistance and the second end of described the 12 resistance are connected to ground altogether, described the 13 first end of resistance and the first end of described the 14 resistance are connected respectively the second end of described the 9th resistance and the second end of described the tenth resistance, the second end of described the 13 resistance and the second end of described the 14 resistance are connected to the supply pin of described main control chip altogether, the second end of the second end of described the 9th resistance and described the tenth resistance is respectively the first communication ends and the second communication end of described main control module.

5. battery charger as claimed in claim 2, is characterized in that, described current potential adjusting module comprises:

The 15 resistance, the 16 resistance, digital regulation resistance, the 17 resistance, the 18 resistance, the 5th electric capacity, the 6th electric capacity and the 19 resistance;

Described the 15 first end of resistance and the first end of described the 16 resistance, the common contact of the first end of the supply pin of described digital regulation resistance and described the 5th electric capacity is the power end of described current potential adjusting module, the second end of described the 5th electric capacity and the first end of described the 6th electric capacity, the lower margin of described digital regulation resistance and the first end of described the 17 resistance are connected to ground altogether, the second end of described the 6th electric capacity connects the supply pin of described digital regulation resistance, the common contact of the second end of described the 15 resistance and the serial data pin of described digital regulation resistance is the data input pin of described current potential adjusting module, the common contact of the second end of described the 16 resistance and the clock input pin of described digital regulation resistance is the input end of clock of described current potential adjusting module, the address zero pin ground connection of described digital regulation resistance, the first electric potential connection pin of described digital regulation resistance and the first end of described the 18 resistance are connected to the second end of described the 17 resistance altogether, the second electric potential connection pin of the second end of described the 18 resistance and described digital regulation resistance is connected to the first end of described the 19 resistance altogether, the second end of described the 19 resistance is the hot end of described current potential adjusting module, the current potential tap pin of described digital regulation resistance is the current potential adjustable side of described current potential adjusting module.

6. battery charger as claimed in claim 2, is characterized in that, described current detection module comprises:

The 20 resistance, the 21 resistance, the 22 resistance, the 7th electric capacity, the 8th electric capacity, inspection stream chip, the 23 resistance, the tenth electric capacity, the tenth electric capacity and the 24 resistance;

The first end of described the 20 resistance and the second end are respectively direct-flow input end and the DC output end of described current detection module, described the 21 first end of resistance and the first end of described the 22 resistance are connected respectively first end and second end of described the 20 resistance, the second end of described the 21 resistance and the first end of described the 7th electric capacity are connected to the positive pin of input of described inspection stream chip altogether, the second end of described the 22 resistance and the first end of described the 8th electric capacity are connected to the negative pin of input of described inspection stream chip altogether, the power end that the common contact of the described inspection stream supply pin of chip and the first end of described the 9th electric capacity is described current detection module, the empty pin sky of described inspection stream chip connects, the output pin of described inspection stream chip connects the first end of described the 23 resistance, the inspection stream feedback end that the second end of described the 23 resistance is described current detection module, described the tenth first end of electric capacity and the first end of described the 24 resistance are connected to the second end of described the 23 resistance altogether, the second end of the second end of described the 7th electric capacity and described the 8th electric capacity, the second end of described the 9th electric capacity, the second end of described the tenth electric capacity, the second end of described the 24 resistance, the lower margin of described inspection stream chip, described the first reference voltage pin and described the second reference voltage pin are connected to ground altogether.

7. battery charger as claimed in claim 2, is characterized in that, described voltage detection module comprises:

The 25 resistance, the 26 resistance, the 11 electric capacity, the 12 electric capacity, the 27 resistance and the 28 resistance;

The first end of described the 25 resistance is the first test side of described voltage detection module, the second output that the common contact of the second end of described the 25 resistance and described the 26 first end of resistance and the first end of described the 11 electric capacity is described voltage detection module, the second test side that the second end of described the 26 resistance is described voltage detection module, the second end of described the 11 electric capacity and described the 12 first end of electric capacity and the first end of described the 27 resistance are connected to the second end of described the 26 resistance altogether, the first output that the common contact of the second end of described the 12 electric capacity and the second end of described the 27 resistance and the first end of described the 28 resistance is described voltage detection module, the 3rd test side that the second end of described the 28 resistance is described voltage detection module.

8. battery charger as claimed in claim 2, is characterized in that, described output switch module comprises:

The 29 resistance, the 30 resistance, the 13 electric capacity, the 31 resistance, a NPN type triode, the 32 resistance, the 2nd NPN type triode, the 3rd diode, voltage stabilizing didoe, the 33 resistance, the 34 resistance, the 35 resistance, the 2nd NMOS pipe and the 3rd NMOS pipe;

The first end of described the 29 resistance is the controlled end of described output switch module, the second end of described the 29 resistance and the first end of described the 30 resistance are connected to the base stage of a described NPN type triode altogether, the first end of described the 13 electric capacity and described the 31 first end of resistance and the first end of described the 32 resistance are connected to the negative electrode of described the 3rd diode altogether, the anode of described the 3rd diode is the power end of described output switch module, the base stage of the second end of described the 31 resistance and described the 2nd NPN type triode is connected to the collector electrode of a described NPN type triode altogether, the second end of described the 32 resistance and the negative electrode of described voltage stabilizing didoe and the first end of described the 33 resistance are connected to the collector electrode of described the 2nd NPN type triode altogether, the second end of described the 30 resistance and the second end of described the 13 electric capacity, the emitter of a described NPN type triode, described the 2nd emitter of NPN type triode and the anode of described voltage stabilizing didoe are connected to ground altogether, the second end of described the 33 resistance and the first end of described the 34 resistance, the first end of described the 35 resistance, the grid of the grid of described the 2nd NMOS pipe and described the 3rd NMOS pipe connects altogether, the second end of described the 34 resistance is the earth terminal of described output switch module, the drain electrode of described the 2nd NMOS pipe is the input of described output switch module, the second end of the source electrode of described the 2nd NMOS pipe and described the 35 resistance is connected to the source electrode of described the 3rd NMOS pipe altogether, the drain electrode of described the 3rd NMOS pipe is the output of described output switch module.

9. battery charger as claimed in claim 1 or 2, is characterized in that, described charge control module comprises:

Battery connector, master controller, the 13 electric capacity, the 36 resistance, the 37 resistance, the 14 electric capacity, the first Schottky diode, the second Schottky diode, the 15 electric capacity, the 38 resistance, the 39 resistance, the 40 resistance, the 3rd NPN type triode, the 4th NMOS pipe and the 5th NMOS pipe;

Described battery connector connects the electrode of described battery, the first pin of described battery connector and crus secunda are connected to ground altogether, the first grounding leg of described battery connector and the second grounding leg are connected to ground altogether, the first input and output pin of described master controller is connected with the 7th pin and the octal of described battery connector, the second input and output pin of described master controller, the 7th input and output pin, the 8th input and output pin and the 9th input and output pin respectively with the 6th pin of described battery connector, the 5th pin, the 4th pin and tripod connect, the simulation lower margin of described master controller and the equal ground connection of lower margin, the first empty pin of described master controller and the equal sky of the second empty pin connect, the supply pin of described master controller and the first end of described the 13 electric capacity all connect altogether with the 7th pin and the octal of described battery connector, the 4th input and output pin of described master controller and described the 11 input and output pin and electronic equipment carry out data communication, described the 36 resistance is connected between the 4th input and output pin and supply pin of described master controller, the 6th input and output pin and the 12 input and output pin of described master controller is connected respectively the first communication ends and the second communication end of the main control module in described power supply adaptor, described the 37 first end of resistance and the first end of described the 38 resistance are connected to the tenth input/output terminal of described master controller altogether, the second end of described the 37 resistance connects the supply pin of described master controller, the second end of described the 38 resistance connects the base stage of described the 3rd NPN type triode, the 5th input/output terminal of described master controller connects the first end of described the 14 electric capacity, the second end of described the 14 electric capacity and the negative electrode of described the first Schottky diode are connected to the anode of described the second Schottky diode altogether, described the 39 first end of resistance and the first end of described the 15 electric capacity are connected to the negative electrode of described the second Schottky diode altogether, the second end of described the 39 resistance is all connected the grid of described the 4th NMOS pipe and the grid of described the 5th NMOS pipe with the collector electrode of the first end of described the 40 resistance and described the 3rd NPN type triode, the second end of described the 40 resistance and the second end of described the 15 electric capacity are connected to ground altogether, the source electrode of described the 4th NMOS pipe connects the anode of described the first Schottky diode, and be also connected with the 7th pin and the octal of described battery connector, the drain electrode of described the 4th NMOS pipe connects the drain electrode of described the 5th NMOS pipe, the power line of described the 5th source electrode of NMOS pipe and the communication interface of described power supply adaptor is connected, the emitter of described the 3rd NPN type triode connects the anode of described the 3rd Schottky diode, the minus earth of described the 3rd Schottky diode.

10. battery charger as claimed in claim 9, is characterized in that, described charge control module also comprises the 6th NMOS pipe, the 7th NMOS pipe and the 41 resistance; The source electrode of described the 6th NMOS pipe connects the source electrode of described the 5th NMOS pipe, the drain electrode of described the 6th NMOS pipe connects the drain electrode of described the 7th NMOS pipe, the source electrode of described the 7th NMOS pipe connects the collector electrode of described the 3rd NPN type triode, the grid of the grid of described the 6th NMOS pipe and described the 7th NMOS pipe is connected to the first end of described the 41 resistance altogether, the second end ground connection of described the 41 resistance.