CN103257699A - Notebook computer battery intelligent control circuit - Google Patents
Notebook computer battery intelligent control circuit Download PDFInfo
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- CN103257699A CN103257699A CN2013101845000A CN201310184500A CN103257699A CN 103257699 A CN103257699 A CN 103257699A CN 2013101845000 A CN2013101845000 A CN 2013101845000A CN 201310184500 A CN201310184500 A CN 201310184500A CN 103257699 A CN103257699 A CN 103257699A
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Abstract
The invention discloses a notebook computer battery intelligent control circuit which comprises a high-capacity battery core, an MCU, a measuring resistor, a logic switch, a temperature sensitive element, a temperature detecting protecting module, a voltage and current detecting protecting module and an impedance tracking electric quantity counting module. The measuring resistor, the logic switch and the temperature sensitive element are sequentially in series connection in a main circuit where the high-capacity battery core located. A temperature signal of the temperature sensitive element is detected by the temperature detecting protecting module, a voltage and current signal of the measuring resistor is detected by the voltage and current detecting protecting module in real time, and the temperature signal and the voltage and current signal are respectively transmitted to the MCU. The MCU controls the logic switch to close and open according to the received signals. Voltage values of the high-capacity battery core in a loading condition and a non-loading condition are measured by the impedance tracking electric quantity counting module and impedance and remaining electric quantity of the high-capacity battery core are calculated. The notebook computer battery intelligent control circuit can sample, control and protect a notebook computer battery in real time in the process of use of the notebook computer battery and avoid occurrence of danger.
Description
Technical field
The present invention relates to a kind of control circuit, relate in particular to a kind of cells in notebook computer intelligence control circuit.
Background technology
Along with the development that science and technology is maked rapid progress, notebook personal computer has become the indispensable instrument of business people and student work, study.As the battery of standby power supply, more and more influence use and the experience of notebook computer.Owing to use the not property confirmed and the lithium battery improper use of the environment of notebook easily to cause harm such as expansion, blast, Notebook Battery uses needs strict monitoring.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of cells in notebook computer intelligence control circuit, in the Notebook Battery use, it is carried out real-time sampling and control protection.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of cells in notebook computer intelligence control circuit, comprise big capacity electricity core, MCU, measuring resistance, logic switch, temperature-sensing element (device), the temperature detecting protection module, the electric weight counting module is followed the tracks of in electric current and voltage detecting protection module and impedance, described measuring resistance, logic switch and temperature-sensing element (device) are serially connected with in the major loop at described big capacity electricity core place successively, described temperature detecting protection module is detected the temperature signal of described temperature-sensing element (device) and is delivered a letter to MCU, MCU compares predefined temperature in this temperature signal and its and the resistance table of comparisons, if surpass this predefined temperature value, described MCU controls described logic switch and makes its disconnection; The voltage and current signal of the described measuring resistance of described electric current and voltage detecting protection module detecting real-time is also delivered a letter to MCU, this voltage and current signal that MCU will receive and its interior predefined voltage and current value compare, if surpass this predefined voltage and current value, described MCU controls described logic switch and makes its disconnection; Described impedance follow the tracks of the electric weight counting module measure described big capacity electricity core have immunization with gD DNA vaccine following time should the electric core of big capacity magnitude of voltage, and the impedance of calculating described big capacity electricity core by the difference of this two magnitude of voltage, and according to the dump energy of the described big capacity electricity core of this impedance computation.
As a further improvement on the present invention, described big capacity electricity core is made up of several electric cores, and described control circuit also comprises the charge balancing module, and this charge balancing module is controlled the connection in series-parallel of described several electric cores by the logic switch of establishing in the described MCU.
As a further improvement on the present invention, described control circuit also comprises the recharging protection module, and this charge protection module is detected the described logic switch of described MCU port of delivering a letter under the idle situation of protection module at described electric current and voltage.
As a further improvement on the present invention, described control circuit also comprises the data communication module of delivering a letter and being connected with described MCU, and this data communication module is delivered a letter with PC by USB interface and is connected.
The invention has the beneficial effects as follows: can in the use of Notebook Battery, carry out real-time sampling and control protection to it.When the battery improper use or when being in breakneck state, control system can shield immediately, avoids causing danger.This kind battery has the kinds of protect function, and can with the PC communication, check data, electrolytic cell use state.
Description of drawings
Fig. 1 is principle of the invention block diagram.
By reference to the accompanying drawings, make the following instructions:
1---big capacity electricity core
2——MCU
3---measuring resistance
4---logic switch
5---temperature-sensing element (device)
6---the temperature detecting protection module
7---electric current and voltage detecting protection module
8---the electric weight counting module is followed the tracks of in impedance
9---the charge balancing module
10---the recharging protection module
11---data communication module
12——PC
Embodiment
By reference to the accompanying drawings, the present invention is elaborated, but protection scope of the present invention is not limited to following embodiment, namely the simple equivalent of being done with the present patent application claim and description in every case changes and modifies, and all still belongs within the patent covering scope of the present invention.
As shown in Figure 1, a kind of cells in notebook computer intelligence control circuit, comprise big capacity electricity core 1, MCU2, measuring resistance 3, logic switch 4, temperature-sensing element (device) 5, temperature detecting protection module 6, electric weight counting module 8 is followed the tracks of in electric current and voltage detecting protection module 7 and impedance, described measuring resistance, logic switch and temperature-sensing element (device) are serially connected with in the major loop at described big capacity electricity core place successively, described temperature detecting protection module is detected the temperature signal of described temperature-sensing element (device) and is delivered a letter to MCU, MCU compares predefined temperature in this temperature signal and its and the resistance table of comparisons, if surpass this predefined temperature value, described MCU controls described logic switch and makes its disconnection; The voltage and current signal of the described measuring resistance of described electric current and voltage detecting protection module detecting real-time is also delivered a letter to MCU, this voltage and current signal that MCU will receive and its interior predefined voltage and current value compare, if surpass this predefined voltage and current value, described MCU controls described logic switch and makes its disconnection; Described impedance follow the tracks of the electric weight counting module measure described big capacity electricity core have immunization with gD DNA vaccine following time should the electric core of big capacity magnitude of voltage, and the impedance of calculating described big capacity electricity core by the difference of this two magnitude of voltage, and according to the dump energy of the described big capacity electricity core of this impedance computation.During work; the voltage and current signal of electric current and voltage detecting module detecting real-time measuring resistance is also delivered a letter to MCU, is set with permissible value in the MCU, if surpass setting; then thereby MCU steering logic switch makes its disconnection disconnect the major loop at big capacity electricity core place, and it is protected.The temperature detecting module is judged big capacity electricity core variation of temperature according to the resistance of outside detecting temperature-sensing element (device); resistance and the temperature table of comparisons have been write in the MCU; when temperature surpasses setting; thereby MCU control steering logic switch makes its disconnection disconnect the major loop at big capacity electricity core place, and it is protected.The electric weight counting module is followed the tracks of in impedance to be had when non-loaded according to big capacity electricity core, the open-circuit voltage of big capacity electricity core has deviation, its impedance (voltage difference is divided by the load current that applies) can be measured according to this deviation, and then the dump energy of big capacity electricity core can be calculated according to this impedance.
Preferably, described big capacity electricity core is made up of several electric cores, and described control circuit also comprises charge balancing module 9, and this charge balancing module is controlled the connection in series-parallel of described several electric cores by the logic switch of establishing in the described MCU.
Preferably, described control circuit also comprises recharging protection module 10, and this charge protection module is detected the described logic switch of described MCU port of delivering a letter under the idle situation of protection module at described electric current and voltage, thus the security of better protection battery.
Preferably, described control circuit also comprises the data communication module 11 of delivering a letter and being connected with described MCU, and this data communication module is delivered a letter with PC12 by USB interface and is connected, and can read sampled data and set the battery protection parameter at PC, and is more convenient.
Claims (4)
1. cells in notebook computer intelligence control circuit, comprise big capacity electricity core (1), it is characterized in that: described control circuit also comprises MCU(2), measuring resistance (3), logic switch (4), temperature-sensing element (device) (5), temperature detecting protection module (6), electric weight counting module (8) is followed the tracks of in electric current and voltage detecting protection module (7) and impedance, described measuring resistance, logic switch and temperature-sensing element (device) are serially connected with in the major loop at described big capacity electricity core place successively, described temperature detecting protection module is detected the temperature signal of described temperature-sensing element (device) and is delivered a letter to MCU, MCU compares predefined temperature in this temperature signal and its and the resistance table of comparisons, if surpass this predefined temperature value, described MCU controls described logic switch and makes its disconnection; The voltage and current signal of the described measuring resistance of described electric current and voltage detecting protection module detecting real-time is also delivered a letter to MCU, this voltage and current signal that MCU will receive and its interior predefined voltage and current value compare, if surpass this predefined voltage and current value, described MCU controls described logic switch and makes its disconnection; Described impedance follow the tracks of the electric weight counting module measure described big capacity electricity core have immunization with gD DNA vaccine following time should the electric core of big capacity magnitude of voltage, and the impedance of calculating described big capacity electricity core by the difference of this two magnitude of voltage, and according to the dump energy of the described big capacity electricity core of this impedance computation.
2. cells in notebook computer intelligence control circuit according to claim 1, it is characterized in that: described big capacity electricity core is made up of several electric cores, described control circuit also comprises charge balancing module (9), and this charge balancing module is controlled the connection in series-parallel of described several electric cores by the logic switch of establishing in the described MCU.
3. cells in notebook computer intelligence control circuit according to claim 1 and 2; it is characterized in that: described control circuit also comprises recharging protection module (10), and this charge protection module is detected the described logic switch of described MCU port of delivering a letter under the idle situation of protection module at described electric current and voltage.
4. cells in notebook computer intelligence control circuit according to claim 1 and 2, it is characterized in that: described control circuit also comprises the data communication module (11) of delivering a letter and being connected with described MCU, and this data communication module is by USB interface and PC(12) delivering a letter is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101845000A CN103257699A (en) | 2013-05-17 | 2013-05-17 | Notebook computer battery intelligent control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101845000A CN103257699A (en) | 2013-05-17 | 2013-05-17 | Notebook computer battery intelligent control circuit |
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| CN103257699A true CN103257699A (en) | 2013-08-21 |
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| CN2013101845000A Pending CN103257699A (en) | 2013-05-17 | 2013-05-17 | Notebook computer battery intelligent control circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106463992A (en) * | 2016-05-27 | 2017-02-22 | 广东欧珀移动通信有限公司 | Battery protection plate, battery and mobile terinal |
| CN106463792A (en) * | 2016-05-27 | 2017-02-22 | 广东欧珀移动通信有限公司 | Battery Protection board, battery, and mobile terminal |
| CN106471700A (en) * | 2016-05-27 | 2017-03-01 | 广东欧珀移动通信有限公司 | Battery protecting plate, battery and mobile terminal |
| WO2017201738A1 (en) * | 2016-05-27 | 2017-11-30 | 广东欧珀移动通信有限公司 | Battery protecting board, battery, and mobile terminal |
| US10122190B2 (en) | 2014-01-28 | 2018-11-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing impedance exception of charging loop |
| US10644520B2 (en) | 2016-05-27 | 2020-05-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Battery protection board, battery and mobile terminal |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10122190B2 (en) | 2014-01-28 | 2018-11-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing impedance exception of charging loop |
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| CN106463992A (en) * | 2016-05-27 | 2017-02-22 | 广东欧珀移动通信有限公司 | Battery protection plate, battery and mobile terinal |
| CN106463792A (en) * | 2016-05-27 | 2017-02-22 | 广东欧珀移动通信有限公司 | Battery Protection board, battery, and mobile terminal |
| CN106471700A (en) * | 2016-05-27 | 2017-03-01 | 广东欧珀移动通信有限公司 | Battery protecting plate, battery and mobile terminal |
| WO2017201738A1 (en) * | 2016-05-27 | 2017-11-30 | 广东欧珀移动通信有限公司 | Battery protecting board, battery, and mobile terminal |
| WO2017201740A1 (en) * | 2016-05-27 | 2017-11-30 | 广东欧珀移动通信有限公司 | Battery protecting board, battery, and mobile terminal |
| WO2017201737A1 (en) * | 2016-05-27 | 2017-11-30 | 广东欧珀移动通信有限公司 | Battery protecting board, battery, and mobile terminal |
| WO2017201739A1 (en) * | 2016-05-27 | 2017-11-30 | 广东欧珀移动通信有限公司 | Battery protecting board, battery, and mobile terminal |
| CN106471700B (en) * | 2016-05-27 | 2020-03-06 | Oppo广东移动通信有限公司 | Battery protection plate, battery and mobile terminal |
| US10644520B2 (en) | 2016-05-27 | 2020-05-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Battery protection board, battery and mobile terminal |
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Application publication date: 20130821 |