CN103560552A - Security protection and activation system used for mobile power source - Google Patents
Security protection and activation system used for mobile power source Download PDFInfo
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- CN103560552A CN103560552A CN201310467284.0A CN201310467284A CN103560552A CN 103560552 A CN103560552 A CN 103560552A CN 201310467284 A CN201310467284 A CN 201310467284A CN 103560552 A CN103560552 A CN 103560552A
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Abstract
The invention discloses a security protection and activation system used for a mobile power source. Circuits of the mobile power source comprise a charging circuit, a boosting circuit, a protection circuit, an MCU control circuit and a safety valve circuit, wherein the MCU control circuit is connected with the boosting circuit, the protection circuit and the safety valve circuit, and the safety valve circuit is connected with the protection circuit; the activation system is an activation rod, and a circuit of the activation rod comprises a front end power supplying part, a tail end output part and a boosting circuit located between the power supplying part and the output part. According to the security protection and activation system used for the mobile power source, operation conditions of all the circuits of the mobile power source are detected in real time through the safety valve circuit, when over charge, over discharge, short circuits and other abnormal phenomena happen, operation of all the circuits can be cut off immediately, and accidents are avoided; after the abnormal conditions are eliminated, the activation rod is inserted into an input port of the mobile power source, and the mobile power source can be used normally after being activated.
Description
Technical field
The present invention relates to portable power source technical field, be specifically related to a kind of safety system for portable power source.
Background technology
Portable power source is a kind of portable charger that integrates power supply and charge function, can charge whenever and wherever possible or standby power supply to digital equipments such as mobile phones.Generally by lithium cell or dry cell as charge storage unit, can be equipped with multiple power sources adapter, conventionally there is large capacity, multipurpose, volume is little, the life-span is long and the feature such as safe and reliable, is can be to be whenever and wherever possible the functional product of the multiple digital product power supply such as mobile phone, digital camera, MP3, MP4, PDA, palmtop PC, handheld device or standby charging.The appearance of portable power source greatly facilitates people and uses electronic product.Yet; just as the appearance of any other new technology; also there is its shortcoming in current portable power source; main manifestations in the face of overcharging, cross put, during the anomaly such as short circuit; protection speed is crossed slowly and is not thorough, gently damages electronic product, heavy may cause the serious consequences such as fire, blast; cause people's life and property loss, have potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of safeguard protection for portable power source safe, easy to use and activation system.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of safeguard protection for portable power source and activation system, it is characterized in that: the circuit of this portable power source comprises charging circuit, booster circuit, protective circuit, MCU control circuit and safety valve circuit, charging circuit is connected the input of whole circuit with protective circuit, booster circuit connects charging circuit, MCU control circuit connects booster circuit, protective circuit and safety valve circuit, and safety valve circuit connects protective circuit; Described safety valve circuit comprises operational amplifier U6A and operational amplifier U6B, and wherein the output of operational amplifier U6A connects the ACD pin of the control chip U5 of MCU control circuit, and in-phase input end connects positive source; The in-phase input end of operational amplifier U6B is by capacitor C 7 ground connection, and inverting input is by resistance R 29 ground connection, and output connects power cathode, and between output and inverting input, cross-over connection has resistance R 30 and the capacitor C 8 being connected in parallel;
Described activation system is an activation rod, activates stick circuit and comprises the power pack of front end, the output of tail end and the booster circuit between power pack and output; This rises circuit and comprises the chip KF3400 that boosts, boost the CE pin of chip through resistance R 10 ground connection, GND pin ground connection, SW pin connects power supply power pack by inductance L 1, and connect output by diode D2, VOUT pin connects power pack, and FB pin connects output and resistance R 12 ground connection by resistance R 11 respectively;
Safety valve circuit detects whole circuit in real time, when battery core voltage is still still discharging lower than 2.5V in charging or battery core voltage higher than 4.35V, or in the situation of the High-current output that is short-circuited, the whole circuit operation of safety valve circuitry cuts; When battery core is connected with portable power source power protection plate, combining control formula " safety valve " just starts working; only have through combination control formula " safety valve " and detect and pass through, whole portable power source plate could work, once note abnormalities; breaking circuit, protects fast immediately.
Activating stick circuit adopts the button cell of 1.5V as power supply; utilize the boosting mode of DC-DC; the battery core boost in voltage of 1.5V is exported to 5V; when portable power source in short circuit, overcharge, cross when putting, being protected by safety valve circuitry cuts under overcurrent unusual condition; after unusual condition is excluded; to activate the input port of rod insertion portable power source, portable power source is activated and can normally uses.It is separated activating rod and portable power source body on entity, and both are used in conjunction with.
Further, the output of described operational amplifier U6B is through resistance R 31 and capacitor C 9 ground connection.
Further, described power pack adopts USB male seat input port; Described output adopts USB male seat delivery outlet.
The present invention detects in real time the operation conditions of whole portable power source circuit by safety valve circuit, overcharging, cross and put, can disconnect immediately whole circuit the anomaly such as short circuit in the situation that and move, avoids the accident of meeting accident; After unusual condition is excluded, will activate the input port of rod insertion portable power source, portable power source is activated and can normally uses.
Accompanying drawing explanation
Fig. 1 is integrated circuit schematic diagram of the present invention;
Fig. 2 is safety valve circuit theory diagrams of the present invention;
Fig. 3 is that the present invention activates stick circuit schematic diagram.
In figure, 1 is charging circuit, and 2 is booster circuit, and 3 is protective circuit, and 4 is MCU control circuit, and 5 is safety valve circuit.
Embodiment
In the present embodiment, with reference to Fig. 1, Fig. 2 and Fig. 3, the described safeguard protection for portable power source and activation system, the circuit of this portable power source comprises charging circuit 1, booster circuit 2, protective circuit 3, MCU control circuit 4 and safety valve circuit 5, charging circuit 1 is connected the input of whole circuit with protective circuit 3, booster circuit 2 connects charging circuit 1, and MCU control circuit 4 connects booster circuit 2, protective circuit 3 and safety valve circuit 5, and safety valve circuit 5 connects protective circuit 3; Described safety valve circuit 5 comprises operational amplifier U6A and operational amplifier U6B, and wherein the output of operational amplifier U6A connects the ACD pin of the control chip U5 of MCU control circuit, and in-phase input end connects positive source; The in-phase input end of operational amplifier U6B is by capacitor C 7 ground connection, and inverting input is by resistance R 29 ground connection, and output connects power cathode, and between output and inverting input, cross-over connection has resistance R 30 and the capacitor C 8 being connected in parallel;
Described activation system is an activation rod, activates stick circuit and comprises the power pack of front end, the output of tail end and the booster circuit between power pack and output; This rises circuit and comprises the chip KF3400 that boosts, boost the CE pin of chip through resistance R 10 ground connection, GND pin ground connection, SW pin connects power supply power pack by inductance L 1, and connect output by diode D2, VOUT pin connects power pack, and FB pin connects output and resistance R 12 ground connection by resistance R 11 respectively;
Safety valve circuit detects whole circuit in real time, when battery core voltage is still still discharging lower than 2.5V in charging or battery core voltage higher than 4.35V, or in the situation of the High-current output that is short-circuited, the whole circuit operation of safety valve circuitry cuts; When battery core is connected with portable power source power protection plate, combining control formula " safety valve " just starts working; only have through combination control formula " safety valve " and detect and pass through, whole portable power source plate could work, once note abnormalities; breaking circuit, protects fast immediately.
Activating stick circuit adopts the button cell of 1.5V as power supply; utilize the boosting mode of DC-DC; the battery core boost in voltage of 1.5V is exported to 5V; when portable power source in short circuit, overcharge, cross when putting, being protected by safety valve circuitry cuts under overcurrent unusual condition; after unusual condition is excluded; to activate the input port of rod insertion portable power source, portable power source is activated and can normally uses.It is separated activating rod and portable power source body on entity.
The output of described operational amplifier U6B is through resistance R 31 and capacitor C 9 ground connection.
Described power pack adopts USB male seat input port; Described output adopts USB male seat delivery outlet.
Below the present invention is described in detail, the above, be only the present invention's preferred embodiment, when not limiting the scope of the present invention, allly according to the application's scope, does impartial change and modify, and all should still belong in covering scope of the present invention.
Claims (3)
1. the safeguard protection for portable power source and activation system, it is characterized in that: the circuit of this portable power source comprises charging circuit, booster circuit, protective circuit, MCU control circuit and safety valve circuit, charging circuit is connected the input of whole circuit with protective circuit, booster circuit connects charging circuit, MCU control circuit connects booster circuit, protective circuit and safety valve circuit, and safety valve circuit connects protective circuit; Described safety valve circuit comprises operational amplifier U6A and operational amplifier U6B, and wherein the output of operational amplifier U6A connects the ACD pin of the control chip U5 of MCU control circuit, and in-phase input end connects positive source; The in-phase input end of operational amplifier U6B is by capacitor C 7 ground connection, and inverting input is by resistance R 29 ground connection, and output connects power cathode, and between output and inverting input, cross-over connection has resistance R 30 and the capacitor C 8 being connected in parallel;
Described activation system is an activation rod, activates stick circuit and comprises the power pack of front end, the output of tail end and the booster circuit between power pack and output; This rises circuit and comprises the chip KF3400 that boosts, boost the CE pin of chip through resistance R 10 ground connection, GND pin ground connection, SW pin connects power supply power pack by inductance L 1, and connect output by diode D2, VOUT pin connects power pack, and FB pin connects output and resistance R 12 ground connection by resistance R 11 respectively;
Safety valve circuit detects whole circuit in real time, when battery core voltage is still still discharging lower than 2.5V in charging or battery core voltage higher than 4.35V, or in the situation of the High-current output that is short-circuited, the whole circuit operation of safety valve circuitry cuts;
Activating stick circuit adopts the button cell of 1.5V as power supply; utilize the boosting mode of DC-DC; the battery core boost in voltage of 1.5V is exported to 5V; when portable power source in short circuit, overcharge, cross when putting, being protected by safety valve circuitry cuts under overcurrent unusual condition; after unusual condition is excluded; to activate the input port of rod insertion portable power source, portable power source is activated and can normally uses.
2. the safeguard protection for portable power source according to claim 1 and activation system, is characterized in that: the output of described operational amplifier U6B is through resistance R 31 and capacitor C 9 ground connection.
3. the safeguard protection for portable power source according to claim 1 and activation system, is characterized in that: described power pack adopts USB male seat input port; Described output adopts USB male seat delivery outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467284.0A CN103560552A (en) | 2013-10-10 | 2013-10-10 | Security protection and activation system used for mobile power source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467284.0A CN103560552A (en) | 2013-10-10 | 2013-10-10 | Security protection and activation system used for mobile power source |
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| Publication Number | Publication Date |
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| CN103560552A true CN103560552A (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310467284.0A Pending CN103560552A (en) | 2013-10-10 | 2013-10-10 | Security protection and activation system used for mobile power source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720654A (en) * | 2016-04-14 | 2016-06-29 | 天津市畅悦电子科技有限公司 | Main control circuit applied to activation device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100321837A1 (en) * | 2008-01-14 | 2010-12-23 | Matteo Caiti | Electronic protection unit for automatic circuit breakers and relative process |
| CN102593922A (en) * | 2012-03-19 | 2012-07-18 | 深圳市龙威盛电子科技有限公司 | Mobile power supply with battery repairing function |
| CN202817860U (en) * | 2012-07-18 | 2013-03-20 | 李嘉穗 | Intelligent portable mobile power supply charger |
| CN203103995U (en) * | 2012-12-11 | 2013-07-31 | 王宝 | Portable power source capable of being activated by one button |
-
2013
- 2013-10-10 CN CN201310467284.0A patent/CN103560552A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100321837A1 (en) * | 2008-01-14 | 2010-12-23 | Matteo Caiti | Electronic protection unit for automatic circuit breakers and relative process |
| CN102593922A (en) * | 2012-03-19 | 2012-07-18 | 深圳市龙威盛电子科技有限公司 | Mobile power supply with battery repairing function |
| CN202817860U (en) * | 2012-07-18 | 2013-03-20 | 李嘉穗 | Intelligent portable mobile power supply charger |
| CN203103995U (en) * | 2012-12-11 | 2013-07-31 | 王宝 | Portable power source capable of being activated by one button |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720654A (en) * | 2016-04-14 | 2016-06-29 | 天津市畅悦电子科技有限公司 | Main control circuit applied to activation device |
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