CN105119336A - Battery charging control device - Google Patents
Battery charging control device Download PDFInfo
- Publication number
- CN105119336A CN105119336A CN201510563601.8A CN201510563601A CN105119336A CN 105119336 A CN105119336 A CN 105119336A CN 201510563601 A CN201510563601 A CN 201510563601A CN 105119336 A CN105119336 A CN 105119336A
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- battery
- charging
- control module
- main control
- terminal
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the charging technical field and provides a battery charging control device. The battery charging control device of the invention includes a battery connector, a master control module and a quick charging switching module; when a battery in a terminal is charged conventionally or fast, the master control module is in data communication with an external power source adapter through a communicate interface of the terminal, and obtains charging voltage and charging current of the battery; the charging voltage is greater than a voltage threshold value, and/or the charging current is greater than a current threshold value, the master control module transmits a charging switching-off instruction, so that the controller of the terminal can switch off the communicate interface of the terminal, and therefore, overvoltage and/or over-current protection can be realized for the battery.
Description
Technical field
The application belongs to charging technique field, particularly relates to a kind of terminal and battery charging control device thereof.
Background technology
At present, battery in most terminal is connected to realize charging by the communication interface of terminal with outside power supply adaptor, and in battery charging process, in order to shorten the charging interval, prior art is by increasing charging current to reach the object of battery being carried out to quick charge, but, no matter be adopt the conventional constant voltage way of output or adopt the mode increasing charging current to charge to battery, if occur in charging process the charging voltage of battery and/or charging current excessive, then battery can be made because of overvoltage and/or cross current charge and damaging.Therefore, prior art cannot realize overvoltage and/or overcurrent protection to battery when carrying out normal charge or quick charge to the battery in terminal.
Summary of the invention
The object of the application is to provide a kind of battery charging control device, is intended to solve prior art cannot realize overvoltage and/or overcurrent protection to battery problem when carrying out normal charge or quick charge to the battery in terminal.
The application realizes like this, a kind of battery charging control device, be connected with the battery in terminal and controller, described battery obtains direct current by the communication interface of described terminal from the power supply adaptor of outside and charges, and described controller controls unlatching or the cut out of the communication interface of described terminal; Described battery charging control device comprises battery connector, main control module and fills switch module soon;
The Electrode connection of described battery connector and described battery, described main control module is connected with described battery connector, the first controlled end that first switch control terminal of described main control module and second switch control end fill switch module soon with described respectively and the second controlled end are connected, 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, the described input filling switch module is soon connected with the power line of described communication interface, the described output filling switch module is soon connected with described battery connector,
When carrying out normal charge to described battery, described main control module controls the described switch module that fills soon and closes; When carrying out quick charge to described battery, described main control module controls the described switch module that fills soon and opens, and the described switch module that fills soon is charged to described battery from described communication interface introducing direct current by described battery connector;
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 the charging voltage obtained described battery and charging current, if described charging voltage is greater than voltage threshold and/or described charging current is greater than current threshold, then 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, then described main control module continues to obtain described charging voltage and described charging current.
The application comprises battery connector by employing, main control module and fill the battery charging control device of switch module soon, battery in terminal is being carried out in normal charge or quick charge process, main control module carries out data communication by the communication interface of terminal with outside power supply adaptor, and the charging voltage obtained 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, then main control module sends the communication interface that charging shutoff instruction makes the controller of terminal close a terminal, thus reach object battery being realized to overvoltage and/or overcurrent protection.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the battery charging control device that the embodiment of the present application provides.
Embodiment
Fig. 1 shows the modular structure of the battery charging control device that the embodiment of the present application provides, and for convenience of explanation, illustrate only the part relevant to the embodiment of the present application, details are as follows:
The battery charging control device 100 that the embodiment of the present application 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 the power supply adaptor 400 of outside and charges, the unlatching of the communication interface 10 of controller 300 control terminal or closedown.
Battery charging control device 100 comprises battery connector 101, main control module 102 and fills switch module 103 soon, the Electrode connection of battery connector 101 and battery 200, main control module 102 is connected with battery connector 101, first switch control terminal of main control module 102 is connected with the first controlled end and the second controlled end that fill switch module 103 soon respectively with second switch control end, 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, fill the input of switch module 103 to be soon connected with the power line VBUS of the communication interface 10 of terminal, the output filling switch module 103 is soon connected with battery connector 101.
When carrying out normal charge to battery 200, main control module 102 controls to fill switch module 103 soon and closes; When carrying out quick charge to battery 200, main control module 102 controls to fill switch module 103 soon and opens, fill switch module 103 soon to introduce direct current from the communication interface 10 of terminal and charged by battery connector 101 pairs of batteries 200, increase the charging current of battery 200 to realize quick charge with this.
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 the charging voltage obtained 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, then main control module 102 sends the communication interface 10 that charging shutoff instruction makes controller 300 close a terminal, if above-mentioned charging voltage is not more than voltage threshold, and above-mentioned charging current is not more than current threshold, then main control module 102 continues to obtain above-mentioned charging voltage and charging current.
Claims (1)
1. a battery charging control device, be connected with the battery in terminal and controller, described battery obtains direct current by the communication interface of described terminal from the power supply adaptor of outside and charges, and described controller controls unlatching or the cut out of the communication interface of described terminal, it is characterized in that, described battery charging control device comprises battery connector, main control module and fills switch module soon, the Electrode connection of described battery connector and described battery, described main control module is connected with described battery connector, the first controlled end that first switch control terminal of described main control module and second switch control end fill switch module soon with described respectively and the second controlled end are connected, 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, the described input filling switch module is soon connected with the power line of described communication interface, the described output filling switch module is soon connected with described battery connector, when carrying out normal charge to described battery, described main control module controls the described switch module that fills soon and closes, when carrying out quick charge to described battery, described main control module controls the described switch module that fills soon and opens, and the described switch module that fills soon is charged to described battery from described communication interface introducing direct current by described battery connector, 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 the charging voltage obtained described battery and charging current, if described charging voltage is greater than voltage threshold and/or described charging current is greater than current threshold, then 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, then described main control module continues to obtain described charging voltage and described charging current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563601.8A CN105119336A (en) | 2015-08-28 | 2015-08-28 | Battery charging control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563601.8A CN105119336A (en) | 2015-08-28 | 2015-08-28 | Battery charging control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105119336A true CN105119336A (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510563601.8A Pending CN105119336A (en) | 2015-08-28 | 2015-08-28 | Battery charging control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105119336A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100300A1 (en) * | 2017-11-23 | 2019-05-31 | 深圳市柔宇科技有限公司 | Charging circuit and electronic device |
| CN111344926A (en) * | 2017-11-23 | 2020-06-26 | 深圳市柔宇科技有限公司 | Charging device |
| WO2021093518A1 (en) * | 2019-11-17 | 2021-05-20 | 鲨湾科技(上海)有限公司 | Charging base and charging system |
-
2015
- 2015-08-28 CN CN201510563601.8A patent/CN105119336A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100300A1 (en) * | 2017-11-23 | 2019-05-31 | 深圳市柔宇科技有限公司 | Charging circuit and electronic device |
| CN111033928A (en) * | 2017-11-23 | 2020-04-17 | 深圳市柔宇科技有限公司 | Charging circuit and electronic device |
| CN111344926A (en) * | 2017-11-23 | 2020-06-26 | 深圳市柔宇科技有限公司 | Charging device |
| WO2021093518A1 (en) * | 2019-11-17 | 2021-05-20 | 鲨湾科技(上海)有限公司 | Charging base and charging system |
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| DD01 | Delivery of document by public notice |
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Addressee: Ni Jinge Document name: Notification of before Expiration of Request of Examination as to Substance |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151202 |