CN203747453U - Terminal and battery charging control device thereof - Google Patents
Terminal and battery charging control device thereof Download PDFInfo
- Publication number
- CN203747453U CN203747453U CN201420056068.7U CN201420056068U CN203747453U CN 203747453 U CN203747453 U CN 203747453U CN 201420056068 U CN201420056068 U CN 201420056068U CN 203747453 U CN203747453 U CN 203747453U
- Authority
- CN
- China
- Prior art keywords
- battery
- charging
- nmos pipe
- main control
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model belongs to the technical field of charging, and provides a terminal and a battery charging control device thereof. According to the utility model, the battery charging control device which comprises a battery connector, a main control module and a fast charging switch module is used; when conventional charging or fast charging is carried out on a battery in the terminal, the main control module and an external power supply adapter carry out data communication through a communication interface of the terminal; charging voltage and charging current of the battery are acquired; if the charging voltage is greater than a voltage threshold and/or the charging current is greater than a current threshold, the main control module sends a charging off command to enable a terminal controller to turn off the communication interface of the terminal; and overvoltage and/or overcurrent protection is carried out on the battery.
Description
Technical field
The utility model belongs to charging technique field, relates in particular to a kind of terminal and battery charging control device thereof.
Background technology
At present, battery in most terminals is that the communication interface by terminal is connected to realize charging with outside power supply adaptor, and in battery charging process, in order to shorten the charging interval, prior art can be by increasing charging current to reach the object of battery being carried out to quick charge, but, no matter be to adopt the conventional constant voltage way of output or adopt the mode that increases charging current to charge to battery, if occur in charging process that the charging voltage of battery and/or charging current are excessive, can make battery because of overvoltage and/or cross current charge and damage.Therefore, prior art cannot realize overvoltage and/or overcurrent protection to battery when the battery in terminal carries out normal charge or quick charge.
Utility model content
The purpose of this utility model is to provide a kind of battery charging control device, is intended to solve prior art and cannot realizes to battery the problem of overvoltage and/or overcurrent protection when the battery in terminal carries out normal charge or quick charge.
The utility model is to realize like this, a kind of battery charging control device, be connected with battery and controller in terminal, described battery obtains direct current by the communication interface of described terminal from outside power supply adaptor and charges, described controller control described terminal communication interface unlatching or close; Described battery charging control device comprises battery connector, main control module and fills soon switch module;
Described battery connector is connected with the electrode of described battery, described main control module is connected with described battery connector, the first switch control end of described main control module is connected with the second controlled end with described the first controlled end that fills soon switch module respectively with second switch control end, the first communication ends of described main control module is all connected with described communication interface with second communication end, described main control module is also connected with described controller, describedly fill soon the input of switch module and the power line of described communication interface is connected, the described output that fills soon switch module is connected with described battery connector,
When described battery is carried out to normal charge, described main control module is controlled the described switch module that fills soon and is closed; When described battery is carried out to quick charge, described main control module is controlled the described switch module that fills soon and is opened, and the described switch module that fills soon charges to described battery by described battery connector from described communication interface introducing direct current;
In described normal charge or described quick charge process, described main control module carries out data communication by described communication interface and described power supply adaptor, and obtain the charging voltage of described battery and charging current, if described charging voltage is greater than voltage threshold and/or described charging current is greater than current threshold, described main control module transmission charging shutoff instruction makes described controller close described communication interface, if described charging voltage is not more than voltage threshold, and described charging current is not more than current threshold, described main control module continues to obtain described charging voltage and described charging current.
Another object of the present utility model is also to provide a kind of terminal, and described terminal comprises communication interface, controller, battery and above-mentioned battery charging control device.
The utility model comprises battery connector by employing, main control module and fill soon the battery charging control device of switch module, at the battery in terminal, carry out in normal charge or quick charge process, main control module carries out data communication by the communication interface of terminal and outside power supply adaptor, and obtain the charging voltage of battery and charging current, if above-mentioned charging voltage is greater than voltage threshold and/or above-mentioned charging current is greater than current threshold, main control module sends charging and turn-offs the communication interface that instruction is closed a terminal the controller of terminal, thereby reached the object that battery is realized to overvoltage and/or overcurrent protection.
Accompanying drawing explanation
Fig. 1 is the modular structure figure of the battery charging control device that provides of the utility model embodiment;
Fig. 2 is the realization flow figure of the battery charging control method of the battery charging control device based on shown in Fig. 1;
Fig. 3 is another realization flow figure of the battery charging control method of the battery charging control device based on shown in Fig. 1;
Fig. 4 is the exemplary circuit structure chart of the battery charging control device that provides of the utility model embodiment;
Fig. 5 is another exemplary circuit structure chart of the battery charging control device that provides of the utility model embodiment.
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 modular structure of the battery charging control device 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 charging control device 100 that the utility model embodiment provides is connected with the battery 200 in terminal and controller 300, battery 200 obtains direct current by the communication interface 10 of terminal from outside power supply adaptor 400 and charges, the unlatching of the communication interface 10 of controller 300 control terminals or close.
Battery charging control device 100 comprises battery connector 101, main control module 102 and fills soon switch module 103, battery connector 101 is connected with the electrode of battery 200, main control module 102 is connected with battery connector 101, the first switch control end of main control module 102 is connected with the second controlled end with the first controlled end that fills soon switch module 103 respectively with second switch control end, the first communication ends of main control module 102 is all connected with the communication interface 10 of terminal with second communication end, main control module 102 is also connected with the controller 300 of terminal, the power line VBUS that fills soon the input of switch module 103 and the communication interface of terminal 10 is connected, the output that fills soon switch module 103 is connected with battery connector 101.
When battery 200 is carried out to normal charge, main control module 102 controls are filled soon switch module 103 and are closed; When battery 200 is carried out to quick charge, main control module 102 is controlled and is filled soon switch module 103 unlatchings, fill soon switch module 103 and charge by 101 pairs of batteries 200 of battery connector from the communication interface 10 introducing direct currents of terminal, with this, increase the charging current of battery 200 to realize quick charge.
In above-mentioned normal charge or quick charge process, main control module 102 carries out data communication by the communication interface 10 of terminal with power supply adaptor 400, and obtain the charging voltage of battery 200 and charging current, if above-mentioned charging voltage is greater than voltage threshold and/or above-mentioned charging current is greater than current threshold, main control module 102 sends charging and turn-offs the communication interface 10 that instruction is closed a terminal controller 300, if above-mentioned charging voltage is not more than voltage threshold, and above-mentioned charging current is not more than current threshold, main control module 102 continues to obtain above-mentioned charging voltage and charging current.
Battery charging control device 100 based on shown in Fig. 1, the utility model embodiment also can provide a kind of battery charging control method, and as shown in Figure 2, this battery charging control method comprises the following steps:
S1. main control module 102 carries out data communication with outside power supply adaptor 400, and obtains the charging voltage of battery 200 and charging current;
S2. main control module 102 judges whether above-mentioned charging voltage is greater than voltage threshold, and judge whether above-mentioned charging current is greater than current threshold, when being greater than, charging voltage when voltage threshold and/or charging current are greater than current threshold, performs step S3, when charging voltage is not more than voltage threshold, and charging current is returned to execution step S1 while being not more than current threshold;
S3. main control module 102 sends charging and turn-offs the communication interface 10 that instruction is closed a terminal controller 300.
Wherein, step S1 specifically comprises the following steps:
Main control module 102 sends charge parameter to power supply adaptor 400 and obtains request;
According to charge parameter, the request of obtaining feeds back to main control module 102 by charging voltage information and charging current information to power supply adaptor 400;
Main control module 102 from above-mentioned charging voltage information and charging current acquisition of information to the charging voltage of battery 200 and charging current.
When battery 200 is carried out to quick charge, for can be when power supply adaptor 400 disconnects suddenly with being connected of the communication interface 10 of terminal, close in time the communication interface 10 of quick charge process and terminal, further comprising the steps of after above-mentioned steps S1 (as shown in Figure 3):
S4. whether main control module 102 judgements are zero to the charging voltage of battery 200, are, perform step S5, no, return to execution step S1;
S5. main control module 102 is controlled and is filled soon switch module 103 and close, and performs step S3.
When battery 200 is carried out to quick charge, if terminal possesses battery temperature measuring ability, can also when battery temperature is abnormal, is fed back and fill soon out code to main control module 102 by controller 300, main control module 102 can fill soon out code according to this and control and to fill soon switch module 103 and close.
When battery 200 is carried out to quick charge, in order to switch back normal charge process when completing quick charge process, further comprising the steps of after step S1 (as shown in Figure 3):
S6. main control module 102 detects by the voltage of 101 pairs of batteries 200 of battery connector, and whether the voltage that judges battery 200 be greater than and fill soon threshold voltage (as 4.35V), is, performs step S7, no, performs step S2;
S7. main control module 102 is controlled and is filled soon switch module 103 and close, and performs step S2.
When battery 200 is carried out to quick charge, main control module 102 can also detect by the electric weight of 101 pairs of batteries 200 of battery connector, and by information about power feed back to terminal controller 300 in case terminal the electric weight of battery 200 is shown, so, in execution step S6, battery charging control method is further comprising the steps of:
S8. main control module 102 detects the electric weight of battery 200 by battery connector 101, and information about power is fed back to controller 300.
Fig. 4 shows the exemplary circuit structure of the battery charging control device 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:
Main control module 102 comprises:
Master controller U6, the 13 capacitor C 13 and the 36 resistance R 36;
The first pin 5A-1 of battery connector 101 and crus secunda 5A-2 are connected to ground altogether, the first grounding leg GND1 of battery connector 101 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 octal 5A-4 with the 7th pin 5A-3 of battery connector 101, 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 101, 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 101, the 4th input and output pin RA3 of master controller U6 is connected with controller 300 with the 11 input and output pin RC4, the 36 resistance R 36 is connected between the 4th input and output pin RA3 and supply pin VDD of master controller U6, the 5th input/output terminal RA4 of master controller U6 and the tenth input/output terminal RC3 are respectively the first switch control end and the second switch control end of main control module 102, the 6th input and output pin RA5 of master controller U6 and the 12 input and output pin RC5 are respectively the first communication ends and the second communication end of main control module 102.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.
Filling soon switch module 103 comprises:
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 3rd Schottky diode SD3, the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5;
The first end of the 14 capacitor C 14 is for filling soon the first controlled end of switch module 103, the common contact of the first end of the first end of the 37 resistance R 37 and the 38 resistance R 38 is for filling soon the second controlled end of switch module 103, the second end of the 37 resistance R 37 and the anode of the first Schottky diode SD1 are connected to the source electrode of the 4th NMOS pipe Q4 altogether, the second end of the 38 resistance R 38 connects the base stage of the 3rd NPN type triode N3, 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 is for filling soon the output of switch module 103, and be connected with octal 5A-4 with the 7th pin 5A-3 of battery connector 101, the drain electrode of the 4th NMOS pipe Q4 connects the drain electrode of the 5th NMOS pipe Q5, the source electrode of the 5th NMOS pipe Q5 is for filling soon the input of switch module 103, 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.
For the battery charging control device shown in Fig. 4, master controller U6 carries out data communication by its 4th input and output pin RA3 and the 11 input and output pin RC4 and controller 300, master controller U6 sends the voltage of battery 200 and information about power to controller 300, and master controller U6 can also judge whether battery 200 completes quick charge process according to the voltage of battery 200, if so, master controller U6 output high level makes the 3rd NPN type triode N3 conducting to control the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5 shutoff; In the process that battery 200 is charged, if disconnected suddenly between power supply adaptor 400 and battery 200, it is zero that master controller U6 can detect the charging voltage of battery 200, then export high level and make the 3rd NPN type triode N3 conducting to control the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5 shutoff, and the communication interface 10 that instruction control unit 300 is closed a terminal is turn-offed in feedback charging.In addition, if terminal can detect the temperature of battery 200, and in temperature anomaly time feedback, filling soon out code to master controller U6 by controller 300, master controller U6 fills out code output high level soon according to this makes the 3rd NPN type triode N3 conducting to control the 4th NMOS pipe Q4 and the 5th NMOS pipe Q5 turn-offs.
When battery 200 is carried out to quick charge, filling soon switch module 103, from the communication interface 10 of terminal, to introduce that direct currents charges by 101 pairs of batteries 200 of battery connector be by master controller U6, by its 5th input and output pin RA4 output high level, to control the 4th NMOS pipe Q4 and the 5th NMOS manages Q5 conducting, and by its tenth input and output pin RC3, control the 3rd NPN type triode N3 and turn-off, thereby the communication interface 10 introducing direct currents of realizing by terminal charge to battery 200, because battery 200 itself just obtains direct current by communication interface 10 from power supply adaptor 400, so filling soon switch module 103 is charged and can be played the effect increasing the charging current of battery 200 by 101 pairs of batteries 200 of battery connector from the communication interface 10 introducing direct currents of terminal, thereby realize the quick charge to battery 200.
In addition, when battery 200 is carried out to quick charge, if the power line VBUS of the communication interface of terminal 10 and ground wire GND be ground connection and direct current input respectively, be that reverse power connection appears in communication interface 10, fill soon the input end grounding of switch module 103, access direct current in the ground of each inside modules in battery charging control device 100; For fear of causing components and parts to damage, as shown in Figure 5, fill soon switch module 103 and 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.
When 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 battery charging control device 100 from ground cannot form loop, thereby reach the object that protection components and parts are not damaged.
The utility model embodiment also provides a kind of terminal, and it comprises above-mentioned communication interface 10, controller 300, battery 200 and above-mentioned battery charging control device 100.
In sum, the utility model embodiment comprises battery connector 101 by employing, main control module 102 and fill soon the battery charging control device 100 of switch module 103, at the battery 200 in terminal, carry out in normal charge or quick charge process, main control module 102 is carried out data communication and obtains the charging voltage of battery 200 and charging current with outside power supply adaptor 400 by the communication interface 10 of terminal, if above-mentioned charging voltage is greater than voltage threshold and/or above-mentioned charging current is greater than current threshold, main control module 102 sends charging and turn-offs the communication interface 10 that instruction is closed a terminal the controller 300 of terminal, thereby reached the object that battery 200 is realized to overvoltage and/or overcurrent protection.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications 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 (5)
1. a battery charging control device, be connected with battery and controller in terminal, described battery obtains direct current by the communication interface of described terminal from outside power supply adaptor and charges, described controller control described terminal communication interface unlatching or close; It is characterized in that, described battery charging control device comprises battery connector, main control module and fills soon switch module;
Described battery connector is connected with the electrode of described battery, described main control module is connected with described battery connector, the first switch control end of described main control module is connected with the second controlled end with described the first controlled end that fills soon switch module respectively with second switch control end, the first communication ends of described main control module is all connected with described communication interface with second communication end, described main control module is also connected with described controller, describedly fill soon the input of switch module and the power line of described communication interface is connected, the described output that fills soon switch module is connected with described battery connector,
When described battery is carried out to normal charge, described main control module is controlled the described switch module that fills soon and is closed; When described battery is carried out to quick charge, described main control module is controlled the described switch module that fills soon and is opened, and the described switch module that fills soon charges to described battery by described battery connector from described communication interface introducing direct current;
In described normal charge or described quick charge process, described main control module carries out data communication by described communication interface and described power supply adaptor, and obtain the charging voltage of described battery and charging current, if described charging voltage is greater than voltage threshold and/or described charging current is greater than current threshold, described main control module transmission charging shutoff instruction makes described controller close described communication interface, if described charging voltage is not more than voltage threshold, and described charging current is not more than current threshold, described main control module continues to obtain described charging voltage and described charging current.
2. battery charging control device as claimed in claim 1, is characterized in that, described main control module comprises:
Master controller, the 13 electric capacity and the 36 resistance;
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 octal with the 7th pin 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 is connected with described controller with the 11 input and output pin, described the 36 resistance is connected between the 4th input and output pin and supply pin of described master controller, the 5th input/output terminal of described master controller and the tenth input/output terminal are respectively the first switch control end and the second switch control end of described main control module, the first communication ends and second communication end that the 6th input and output pin of described master controller and the 12 input and output pin are respectively described main control module.
3. battery charging control device as claimed in claim 1, is characterized in that, the described switch module that fills soon comprises:
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 3rd Schottky diode, the 4th NMOS pipe and the 5th NMOS pipe;
The first end of described the 14 electric capacity is described the first controlled end that fills soon switch module, the common contact of described the 37 first end of resistance and the first end of described the 38 resistance is described the second controlled end that fills soon switch module, the second end of described the 37 resistance and the anode of described the first Schottky diode are connected to the source electrode of described the 4th NMOS pipe altogether, the second end of described the 38 resistance connects the base stage of described the 3rd NPN type triode, 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 is the described output that fills soon switch module, and be connected with octal with the 7th pin of described battery connector, the drain electrode of described the 4th NMOS pipe connects the drain electrode of described the 5th NMOS pipe, the source electrode of described the 5th NMOS pipe is the described input that fills soon switch module, 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.
4. battery charging control device as claimed in claim 3, is characterized in that, the described switch module that fills soon 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.
5. a terminal, comprises communication interface, controller and battery, it is characterized in that, described terminal also comprises the battery charging control device as described in claim 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056068.7U CN203747453U (en) | 2014-01-28 | 2014-01-28 | Terminal and battery charging control device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056068.7U CN203747453U (en) | 2014-01-28 | 2014-01-28 | Terminal and battery charging control device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747453U true CN203747453U (en) | 2014-07-30 |
Family
ID=51347211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056068.7U Withdrawn - After Issue CN203747453U (en) | 2014-01-28 | 2014-01-28 | Terminal and battery charging control device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747453U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779907A (en) * | 2014-01-28 | 2014-05-07 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device and method |
| CN105515118A (en) * | 2016-01-21 | 2016-04-20 | 努比亚技术有限公司 | Method for controlling charging and terminal |
| CN106505660A (en) * | 2016-10-31 | 2017-03-15 | 宇龙计算机通信科技(深圳)有限公司 | A kind of charge protection method, charging protector and terminal |
| US10211656B2 (en) | 2014-01-28 | 2019-02-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing exception of charging loop |
| CN110021992A (en) * | 2018-01-10 | 2019-07-16 | 厦门雅迅网络股份有限公司 | A kind of main secondary power switching circuit and method |
-
2014
- 2014-01-28 CN CN201420056068.7U patent/CN203747453U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779907A (en) * | 2014-01-28 | 2014-05-07 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device and method |
| WO2015113334A1 (en) * | 2014-01-28 | 2015-08-06 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device and method therefor |
| CN103779907B (en) * | 2014-01-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Terminal and battery charging control device thereof and method |
| US9935490B2 (en) | 2014-01-28 | 2018-04-03 | Guangdong Oppo Mobile Telelcommunications Corp., Ltd. | Terminal and battery charging control device and method thereof for realizing overcurrent and/or overvoltage protection |
| US10186895B2 (en) | 2014-01-28 | 2019-01-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal and battery charging control device and method thereof for overcurrent and/or overvoltage protection |
| US10211656B2 (en) | 2014-01-28 | 2019-02-19 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing exception of charging loop |
| US11342765B2 (en) | 2014-01-28 | 2022-05-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Terminal, power adapter and method for handling charging anomaly |
| CN105515118A (en) * | 2016-01-21 | 2016-04-20 | 努比亚技术有限公司 | Method for controlling charging and terminal |
| CN106505660A (en) * | 2016-10-31 | 2017-03-15 | 宇龙计算机通信科技(深圳)有限公司 | A kind of charge protection method, charging protector and terminal |
| CN106505660B (en) * | 2016-10-31 | 2019-10-11 | 宇龙计算机通信科技(深圳)有限公司 | A kind of charge protection method, charging protector and terminal |
| CN110021992A (en) * | 2018-01-10 | 2019-07-16 | 厦门雅迅网络股份有限公司 | A kind of main secondary power switching circuit and method |
| CN110021992B (en) * | 2018-01-10 | 2022-02-18 | 厦门雅迅网络股份有限公司 | Main/standby power supply switching circuit and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103779907A (en) | Terminal and battery charging control device and method | |
| CN103762691B (en) | Battery charger and cell charge protection control method | |
| CN103762702A (en) | Charging device of electronic equipment and power adapter of charging device | |
| CN203747485U (en) | Electronic equipment charging device and power supply adapter thereof | |
| CN203747453U (en) | Terminal and battery charging control device thereof | |
| CN203747454U (en) | Electronic device charging control device | |
| CN104810877B (en) | Battery charger and method | |
| CN103795040A (en) | Electronic device and power adapter thereof | |
| CN102904291B (en) | Charging device and control method | |
| CN206564475U (en) | A kind of charging circuit, terminal device and charging system | |
| CN103986211A (en) | Intelligent charging control method | |
| CN203747452U (en) | Battery charging device | |
| CN203747392U (en) | Electronic device and power supply adapter thereof | |
| CN204290475U (en) | Power supply switch circuit and electronic equipment | |
| CN101414760A (en) | Charging circuit and error compensation method | |
| CN206498462U (en) | Passive accumulation of energy charge mobile phone shell and mobile phone | |
| CN204180045U (en) | Based on the serial port level chance-over circuit of the intellectual education terminal of Internet of Things | |
| CN206878506U (en) | A kind of data wire and adapter | |
| CN103997101B (en) | A kind of charging circuit and a kind of electronic equipment | |
| CN207368712U (en) | A kind of battery charger with temperature negative-feedback | |
| CN103326440B (en) | Digital display electric charging controlling box | |
| CN206237302U (en) | Slow switch circuit, RET modules and antenna for base station | |
| CN107887957A (en) | Charging circuit and charging equipment | |
| CN201222657Y (en) | Control integrated circuit for lithium battery charger and control circuit for polar change-over switch | |
| CN204349495U (en) | A kind of mining high capacity lithium ion battery standby power system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |