Charger detecting system and detecting method thereof and mobile terminal
A detection system and mobile terminal technology, applied in the direction of instruments, measuring electricity, measuring devices, etc., can solve problems such as abnormal charging and damaged chargers, achieve safe and reliable charging, and avoid charging safety problems
Active Publication Date: 2014-10-15
威海神舟信息技术研究院有限公司
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Problems solved by technology
Due to the differences in electrical parameters between non-standard chargers and standard chargers, it is easy to cause abnormal charging, damage to chargers, mobile terminals, etc.
[0003] At present, the leaders in the mobile phone industry are all committed to researching that their mobile terminals can only use the standard charger. For example, the mobile terminal products produced by Apple can only be charged with the Apple charger.
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[0054] The present invention provides a charger detection system, its detection method, and a mobile terminal. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0055] see figure 1 and figure 2 ,in, figure 1 It is a structural block diagram of the charger in the charger detection system of the present invention. figure 2 It is a schematic structural diagram of the mobile terminal in the charger detection system of the present invention. The charger detection system provided by the present invention includes a charger and a mobile terminal for detecting whether the charger is a standard charger.
[0056] The charger includes: an identification r...
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The invention discloses a charger detecting system and a detecting method thereof and a mobile terminal. The charger detecting system comprises a charger and the mobile terminal. The charger comprises a recognition resistor, a charging output interface for being connected with the mobile terminal, a charging output module for outputting charging voltage and charging current, wherein the charging output interface comprises a VBUS end, a DP end, a DN end and a GND end. The mobile terminal comprises a charging input interface for being connected with the charging output interface, a base band controller for calculating a resistance value between the DP end and the DN end of the charging output interface and starting a charging function when the calculated resistance value is in a preset resistance value range. The system calculates the resistance value between the DP end and the DN end of the charging output interface through the mobile terminal, achieves charging of the mobile terminal through a non-standard equipped charger and avoids various charging safety problems caused by charging through non-standard equipped mobile terminals.
Description
technical field [0001] The invention relates to electronic products, in particular to a charger detection system, a detection method thereof and a mobile terminal. Background technique [0002] As the most commonly used accessory of mobile terminals, chargers must be reliable and safe. However, due to the simple design of the standard charger circuits of most mobile terminals and the universal charging interface, users can use non-standard chargers in daily use. charger to charge the mobile terminal. Due to the difference in electrical parameters between non-standard chargers and standard chargers, it is easy to cause abnormal charging, damage to chargers, and mobile terminals. [0003] At present, leaders in the mobile phone industry are all committed to researching that their mobile terminals can only use standard chargers. For example, mobile terminal products produced by Apple can only be charged with Apple chargers. On the one hand, this can establish brand authority;...
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IPC IPC(8): G01R31/00
Inventor 俞斌杨维琴
Owner 威海神舟信息技术研究院有限公司