CN103269097A - High-capacity battery electric quantity control circuit - Google Patents
High-capacity battery electric quantity control circuit Download PDFInfo
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- CN103269097A CN103269097A CN201310184414XA CN201310184414A CN103269097A CN 103269097 A CN103269097 A CN 103269097A CN 201310184414X A CN201310184414X A CN 201310184414XA CN 201310184414 A CN201310184414 A CN 201310184414A CN 103269097 A CN103269097 A CN 103269097A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a high-capacity battery electric quantity control circuit which comprises a high-capacity cell, a protective logic circuit MCU module, an electric quantity monitoring MCU module, a logic switch, a measuring resistor and an LED display module, wherein the logic switch and the measuring resistor are sequentially connected in series with a main loop where the high-capacity cell is located, the electric quantity monitoring MCU module monitors and measures the voltage at two ends of a resistor and the current flowing by the measuring resister in real time, the electric quantity monitoring MCU module sends a message to the protective logic circuit MCU module and is provided with an electric quantity calculating module which is used for calculating the current electric quantity of the high-capacity cell, the current electric quantity of the high-capacity cell is displayed through the LED display module, an upper limit value and a lower limit value of the voltage and an upper limit value and a lower limit value of the current allowed by the measuring resistor are set in the protective logic circuit MCU module, and the protective logic circuit MCU module controls the logic switch to be switched off according to signals received by the measuring resistor. The high-capacity battery electric quantity control circuit can monitor the electric quantity of a standby battery in real time and chooses to charge for the battery or not according to needs, and therefore batteries of mobile equipment can be well protected and charging and discharging can be accurately conducted.
Description
Technical field
The present invention relates to a kind of high capacity cell electric weight control circuit, be mainly used in the stand-by power supply of mobile device.
Background technology
At present, fast development along with electronic product, various mobile devices such as computer, mobile phone, IPAD become the essential product of people's routine work and life and trip, but because mobile device is general relatively lighter and handier, and the electric weight of its battery becomes puzzlement people's a problem always, in order to address this is that, stand-by power supply arises at the historic moment.As everyone knows, the charging of power supply needs an appropriateness, if excessively discharge and recharge the useful life that then can influence battery, and severe patient even can damage battery.
Summary of the invention
In order to overcome above-mentioned defective, the invention provides a kind of high capacity cell electric weight control circuit, can monitor the electric weight of reserve battery in real time and select as required and whether charge, thereby battery that can the better protection mobile device carries out correct discharging and recharging.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of high capacity cell electric weight control circuit, comprise big capacity electricity core, protection logical circuit MCU module, electric weight monitoring MCU module, logic switch, measuring resistance and LED display module, described logic switch and measuring resistance are serially connected with in the major loop at described big capacity electricity core place successively; Described electric weight monitoring MCU module in real time the described measuring resistance of monitoring two ends voltage and flow through the electric current in this measuring resistance and the voltage and current of this measuring resistance delivered a letter to described protection logical circuit MCU module, and be provided with the electric weight computing module in the described electric weight monitoring MCU module, this electric weight computing module calculates the current electric weight of described big capacity electricity core and passes through described LED display module demonstration according to the voltage and current of measuring resistance; Be provided with higher limit and the lower limit of the permission voltage and current of measuring resistance in the described protection logical circuit MCU module; if the voltage and current of the measuring resistance that receives of described protection logical circuit MCU module at least one of them greater than the higher limit of the permission voltage and current of the measuring resistance of establishing in it or one of them is lower than the lower limit of the permission voltage and current of the measuring resistance of establishing in it at least; the described logic switch of described protection logical circuit MCU module controls makes its disconnection; if between the higher limit and lower limit of the permission voltage and current of the measuring resistance that the voltage and current of the measuring resistance that described protection logical circuit MCU module receives is all established in it, the described logic switch of described protection logical circuit MCU module controls makes its closure.
As a further improvement on the present invention, described electric weight monitoring MCU module external is used for connecting the USB communication interface of PC.
As a further improvement on the present invention, described electric weight monitoring MCU module is also monitored the temperature of described measuring resistance in real time.
The invention has the beneficial effects as follows: the voltage and current of monitoring the measuring resistance that is connected in series with stand-by power supply and big capacity electricity core by electric weight monitoring MCU module in real time; and be provided with the electric weight computing module in this electric weight monitoring MCU module; the electric weight that can calculate big capacity electricity in-core in real time also can show by the LED display module; protection logical circuit MCU module receives the electric weight monitoring MCU module voltage and current of the measuring resistance of monitoring in real time; thereby compare to select whether to close logic switch according to the permissible value of setting in it, whether discharge and recharge with control.This control circuit is simple in structure, makes the selection stand-by power supply that people can be more relieved carry out discharging and recharging of mobile device, needn't worry to overcharge, and greatly facilitates people's use, and battery that can the better protection mobile device prolongs its useful life.
Description of drawings
Fig. 1 is structural representation of the present invention.
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 high capacity cell electric weight control circuit, comprise big capacity electricity core 1, protection logical circuit MCU module 2, electric weight monitoring MCU module 3, logic switch 4, measuring resistance 5 and LED display module 6, described logic switch and measuring resistance are serially connected with in the major loop at described big capacity electricity core place successively; Described electric weight monitoring MCU module in real time the described measuring resistance of monitoring two ends voltage and flow through the electric current in this measuring resistance and the voltage and current of this measuring resistance delivered a letter to described protection logical circuit MCU module, and be provided with the electric weight computing module in the described electric weight monitoring MCU module, this electric weight computing module calculates the current electric weight of described big capacity electricity core and passes through described LED display module demonstration according to the voltage and current of measuring resistance; Be provided with higher limit and the lower limit of the permission voltage and current of measuring resistance in the described protection logical circuit MCU module; if the voltage and current of the measuring resistance that receives of described protection logical circuit MCU module at least one of them greater than the higher limit of the permission voltage and current of the measuring resistance of establishing in it or one of them is lower than the lower limit of the permission voltage and current of the measuring resistance of establishing in it at least; the described logic switch of described protection logical circuit MCU module controls makes its disconnection; if between the higher limit and lower limit of the permission voltage and current of the measuring resistance that the voltage and current of the measuring resistance that described protection logical circuit MCU module receives is all established in it, the described logic switch of described protection logical circuit MCU module controls makes its closure.During work; voltage and its interior electric current of inflow at electric weight monitoring MCU module 3 real-time control measurement resistance 5 two ends; and the voltage and current of this measuring resistance delivered a letter to protection logical circuit MCU module 2; protection logical circuit MCU module 2 compares the voltage and current of the measuring resistance that receives and the voltage and current of setting in it; if there is one of them to surpass setting; then the control logic switch makes its disconnection; thereby disconnection major loop; if the electric current of measuring resistance and voltage are all in the number range of regulation; then the control logic switch makes its closure; the conducting major loop, the battery operate as normal.The electric weight computing module of establishing in the electric weight monitoring MCU module 3 can calculate the electric weight of big capacity electricity core reality according to the voltage and current of the measuring resistance of its monitoring, and shows in real time by the actual electric weight of LED display module with big capacity electricity core.
Preferably, described electric weight monitoring MCU module external is used for connecting the USB communication interface 7 of PC8.By the USB communication interface electric weight is monitored the real-time data monitored of MCU module and be transferred to computer, conveniently check data and real-time data are carried out record.
Preferably, described electric weight monitoring MCU module is also monitored the temperature of described measuring resistance in real time, to record the environment for use temperature of big capacity electricity core.
Claims (3)
1. high capacity cell electric weight control circuit, comprise big capacity electricity core (1), it is characterized in that: described control circuit also comprises protection logical circuit MCU module (2), electric weight monitoring MCU module (3), logic switch (4), measuring resistance (5) and LED display module (6), and described logic switch and measuring resistance are serially connected with in the major loop at described big capacity electricity core place successively; Described electric weight monitoring MCU module in real time the described measuring resistance of monitoring two ends voltage and flow through the electric current in this measuring resistance and the voltage and current of this measuring resistance delivered a letter to described protection logical circuit MCU module, and be provided with the electric weight computing module in the described electric weight monitoring MCU module, this electric weight computing module calculates the current electric weight of described big capacity electricity core and passes through described LED display module demonstration according to the voltage and current of measuring resistance; Be provided with higher limit and the lower limit of the permission voltage and current of measuring resistance in the described protection logical circuit MCU module; if the voltage and current of the measuring resistance that receives of described protection logical circuit MCU module at least one of them greater than the higher limit of the permission voltage and current of the measuring resistance of establishing in it or one of them is lower than the lower limit of the permission voltage and current of the measuring resistance of establishing in it at least; the described logic switch of described protection logical circuit MCU module controls makes its disconnection; if between the higher limit and lower limit of the permission voltage and current of the measuring resistance that the voltage and current of the measuring resistance that described protection logical circuit MCU module receives is all established in it, the described logic switch of described protection logical circuit MCU module controls makes its closure.
2. high capacity cell electric weight control circuit according to claim 1 is characterized in that: described electric weight monitoring MCU module external is used for connecting PC(8) USB communication interface (7).
3. high capacity cell electric weight control circuit according to claim 1 and 2 is characterized in that: described electric weight monitoring MCU module is also monitored the temperature of described measuring resistance in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184414XA CN103269097A (en) | 2013-05-17 | 2013-05-17 | High-capacity battery electric quantity control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184414XA CN103269097A (en) | 2013-05-17 | 2013-05-17 | High-capacity battery electric quantity control circuit |
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| CN103269097A true CN103269097A (en) | 2013-08-28 |
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| CN201310184414XA Pending CN103269097A (en) | 2013-05-17 | 2013-05-17 | High-capacity battery electric quantity control circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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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| GB2359945A (en) * | 1999-12-29 | 2001-09-05 | Sagem | Control of battery charging |
| CN102593795A (en) * | 2011-01-14 | 2012-07-18 | 天宇通讯科技(昆山)有限公司 | Multi-string high-power lithium battery control board |
| CN102645571A (en) * | 2012-04-19 | 2012-08-22 | 中兴通讯股份有限公司 | Detection circuit and electronic terminal |
| CN103078363A (en) * | 2012-12-13 | 2013-05-01 | 广东欧珀移动通信有限公司 | Battery cell identification circuit and identification method thereof |
| CN203312847U (en) * | 2013-05-17 | 2013-11-27 | 天宇通讯科技(昆山)有限公司 | A high-capacity battery electricity quantity control circuit |
-
2013
- 2013-05-17 CN CN201310184414XA patent/CN103269097A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2359945A (en) * | 1999-12-29 | 2001-09-05 | Sagem | Control of battery charging |
| CN102593795A (en) * | 2011-01-14 | 2012-07-18 | 天宇通讯科技(昆山)有限公司 | Multi-string high-power lithium battery control board |
| CN102645571A (en) * | 2012-04-19 | 2012-08-22 | 中兴通讯股份有限公司 | Detection circuit and electronic terminal |
| CN103078363A (en) * | 2012-12-13 | 2013-05-01 | 广东欧珀移动通信有限公司 | Battery cell identification circuit and identification method thereof |
| CN203312847U (en) * | 2013-05-17 | 2013-11-27 | 天宇通讯科技(昆山)有限公司 | A high-capacity battery electricity quantity control circuit |
Cited By (7)
| 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 |
| US10320206B2 (en) | 2014-01-28 | 2019-06-11 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing impedance anomalies in charging circuit |
| US11631981B2 (en) | 2014-01-28 | 2023-04-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power adapter, terminal, and method for processing impedance anomalies in charging loop |
| 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 |
| 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 |
| 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 |
| 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: 20130828 |