CN203278276U - Multifunctional charger - Google Patents
Multifunctional charger Download PDFInfo
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- CN203278276U CN203278276U CN 201320085787 CN201320085787U CN203278276U CN 203278276 U CN203278276 U CN 203278276U CN 201320085787 CN201320085787 CN 201320085787 CN 201320085787 U CN201320085787 U CN 201320085787U CN 203278276 U CN203278276 U CN 203278276U
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Abstract
The utility model discloses a multifunctional charger, including a MCU circuit and a step up-down circuit which are interconnected. The MCU circuit can achieve judgment of battery characteristics, controls battery charging process, and can determine the solar charging maximum power point tracking. The step up-down circuit includes an input terminal J1 and an output terminal J2, wherein the input terminal J1 is connected with a solar charging panel of 5-12V or adapter input, and the output terminal J2 is connected with single or double nickel-metal hydride batteries or lithium batteries in various electric appliances. The multifunctional charger supports access of the solar panel of 5-12V or the adapter and the output terminal can be connected with single or double nickel-metal hydride batteries or lithium batteries. The multifunctional charger is suitable for different occasions indoors or outdoors and easy to carry, has the solar charging maximum power point tracking function, and is safe and reliable.
Description
Technical field
The utility model relates to charging technique, especially a kind of multifunctional charger.
Background technology
The electronic product such as mobile phone, digital camera has become the part of people's life, and the electric equipment products of various kinds all have the charger of particular type separately, substantially can't realize cross-reference, has caused a lot of inconvenience for routine use or business trip.In addition, the electricity consumption of common charger use average family directly obtains the energy by adapter, but is not suitable for the special occasions such as open-air and power failure, and hand charger can be used for emergent occasion, still uses inconvenience and electric current unstable.
The utility model content
The purpose of this utility model is to provide a kind of multifunctional charger, and support adapter and solar panel access simultaneously, can satisfy the demand of average family electricity consumption, can facilitate again outdoor or open-air electricity consumption occasion, and can compatible polytype electrical apparatus interface, easy to use, reliability and durability.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of multifunctional charger, comprise interconnective MCU circuit and step-up/step-down circuit, described step-up/step-down circuit has an input J1 and an output J2, described step-up/step-down circuit comprises the first field effect transistor Q1, the second field effect transistor Q6, the first triode Q2, the second triode Q3, the 3rd triode Q4 and the 4th triode Q5, the source electrode of described the first field effect transistor Q1 connects 2 pin of described input J1, the first diode D1 ground connection is passed through in the drain electrode of described the first field effect transistor Q1, and connects 1 pin of described output J2 by the first inductance L 1 and the second diode D2;
the emitter of described the first triode Q2 connects the drain electrode of described the first field effect transistor Q1, the collector electrode of described the first triode Q2 connects the grid of the second field effect transistor Q6, the base stage of described the first triode Q2 connect described the 4th triode Q5 base stage, the base stage of described the first triode Q2 connects the collector electrode of described the 3rd triode Q4 by a resistance, the equal ground connection of emitter of described the 3rd triode Q4 and described the 4th triode Q5, the collector electrode of described the first triode Q2 connects the collector electrode of the 4th triode Q5, the drain electrode of described the second field effect transistor Q6 connects 1 pin of described output J2 by described the second diode D2, the source ground of described the second field effect transistor Q6,
2 pin of described input J1 meet the first supply voltage VCC, and by the first capacitor C 1 and the second capacitor C 2 ground connection, 1 pin of described output J2 is by the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5 ground connection, and described output J2 is by a grounding through resistance;
it is the first chip U1 of SN8P2711 that described MCU circuit adopts model, 12 pin of described the first chip U1 connect 2 pin of described output J2 by a resistance, 12 pin of described the first chip U1 are by a capacity earth, 7 pin of described the first chip U1 connect the collector electrode of the 5th triode Q7, the grounded emitter of described the 5th triode Q7, the base stage of described the 5th triode Q7 is communicated with emitter by a resistance, and the base stage of described the 5th triode Q7 meets the first supply voltage VCC by a resistance, 2 pin of described the first chip U1 and 8 pin meet second source voltage VDD by a resistance and a light-emitting diode respectively, 13 pin of described the first chip U1 are by electric capacity and the grounding through resistance of a parallel connection, and draw high resistance by one and meet described the first supply voltage VCC, 11 pin of described the first chip U1 are by electric capacity and the grounding through resistance of a parallel connection, 11 pin of described the first chip U1 also connect 1 pin of described output J2 by a resistance, 1 pin of described output J2 connects 2 pin of described output J2 by described the 5th capacitor C 5 and a resistance, the base stage of described the second triode Q3 connects 6 pin of described the first chip U1 by a resistance, the base stage of described the 3rd triode Q4 connects 5 pin of described the first chip U1 by a resistance.
According to the conception of above-mentioned multifunctional charger, in described MCU circuit, described second source voltage VDD is by fixed resistance and variable resistor ground connection, described variable resistor and a Capacitance parallel connection of serial connection.
Conception according to above-mentioned multifunctional charger, it is the second chip U2 of BL8503 that the power unit of described MCU circuit adopts model, the 1 pin ground connection of described the second chip U2, and 2 pin are by a capacity earth, 3 pin meet described second source voltage VDD, and 3 pin are separately by a capacity earth.
According to the conception of above-mentioned multifunctional charger, 2 pin of described the first chip U1 meet second source voltage VDD by a resistance and a red light emitting diodes, and 8 pin of described the first chip U1 meet second source voltage VDD by a resistance and a green LED.
Compared with prior art, advantage applies of the present utility model exists:
Input is supported solar panel or the adapter access of 5～12V, output can the order joint or Ni-MH battery or the lithium battery of binodal, is applicable to indoor or open-air different occasions, and is easy to carry, and have solar recharging maximum power point tracking function, safe and reliable.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model multifunctional charger.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as restriction of the present utility model.
Please refer to shown in Figure 1ly, the utility model multifunctional charger comprises interconnective MCU circuit and step-up/step-down circuit, and the MCU circuit can be realized the battery behavior judgement, battery charging process is controlled, and can be judged the solar recharging maximum power point tracking.
Step-up/step-down circuit has an input J1 and an output J2, and input J1 connects the solar charging panel of 5～12V or adapter input, and output J2 connects Ni-MH battery or the lithium battery of single-unit in each electric appliances of user or binodal.Step-up/step-down circuit comprises the first field effect transistor Q1, the second field effect transistor Q6, the first triode Q2, the second triode Q3, the 3rd triode Q4 and the 4th triode Q5, the source electrode of the first field effect transistor Q1 connects 2 pin of input J1, the first diode D1 ground connection is passed through in the drain electrode of the first field effect transistor Q1, and connects 1 pin of output J2 by the first inductance L 1 and the second diode D2.
the emitter of the first triode Q2 connects the drain electrode of the first field effect transistor Q1, the collector electrode of the first triode Q2 connects the grid of the second field effect transistor Q6, the base stage of the first triode Q2 connect the 4th triode Q5 base stage, the base stage of the first triode Q2 connects the collector electrode of the 3rd triode Q4 by a resistance R 7, R7 is 1K, the equal ground connection of emitter of the 3rd triode Q4 and the 4th triode Q5, the collector electrode of the first triode Q2 connects the collector electrode of the 4th triode Q5, the drain electrode of the second field effect transistor Q6 connects 1 pin of output J2 by the second diode D2, the source ground of the second field effect transistor Q6.
2 pin of input J1 meet the first supply voltage VCC, and by the first capacitor C 1 and the second capacitor C 2 ground connection, C1 is polar capacitor, size is 220 μ F, and C2 is 0.1 μ F, and 1 pin of output J2 is by the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5 ground connection, output J2 is by a grounding through resistance, C3 and C4 are polar capacitor, and size is 220 μ F, and C5 is 0.1 μ F.
continuation is referring to shown in Figure 1, in preferred embodiment of the present utility model, it is the first chip U1 of SN8P2711 that the MCU circuit adopts model, 12 pin of the first chip U1 connect 2 pin of output J2 by a resistance R 13, R13 is 1K, 12 pin of the first chip U1 are by capacitor C 9 ground connection, C9 is 0.1 μ F, 7 pin of the first chip U1 connect the collector electrode of the 5th triode Q7, the grounded emitter of the 5th triode Q7, the base stage of the 5th triode Q7 is communicated with emitter by a resistance R 15, R15 is 100K, and the base stage of the 5th triode Q7 meets the first supply voltage VCC by a resistance R 14, R14 is 30K, 2 pin of the first chip U1 and 8 pin meet second source voltage VDD by a resistance and a light-emitting diode respectively, 13 pin of the first chip U1 are by capacitor C 6 and resistance R 2 ground connection of a parallel connection, C6 is 0.1 μ F, R2 is 20K, and draw high resistance R 3 by one and meet the first supply voltage VCC, R3 is 30K, 11 pin of the first chip U1 are by capacitor C 7 and resistance R 10 ground connection of a parallel connection, C7 is 0.1 μ F, R10 is 30K, 11 pin of the first chip U1 also connect 1 pin of output J2 by a resistance R 9, R9 is 20K, 1 pin of output J2 connects 2 pin of output J2 by the 5th capacitor C 5 and a resistance R 8, the base stage of the second triode Q3 connects 6 pin of the first chip U1 by a resistance R 4, the base stage of the 3rd triode Q4 connects 5 pin of the first chip U1 by a resistance R 4, and R4 is 30K.
According to the conception of above-mentioned multifunctional charger, in the MCU circuit, second source voltage VDD is by fixed resistance R16 and the variable resistor R17 ground connection of serial connection, and variable resistor R17 is in parallel with a capacitor C 12, and R16 is 30K, and variable resistor R17 is 10K, and C12 is 0.1 μ F.
In preferred version of the present utility model, it is the second chip U2 of BL8503 that the power unit of MCU circuit adopts model, BL8503 is a positive voltage output, the linear voltage regulator of low-power consumption low voltage difference all can provide the 250mA load current of (when Vin=4.0V, Vout=3.0V) when the poor 400mV of being low to moderate of input and output voltage.The quiescent dissipation that BL8503 is extremely low (Iq=1.5uA) can greatly improve battery makes BL8503 that multiple fixed voltage version (with the 0.1V stepping) can be provided in 1.2V～6.0V output voltage range, and the load changing transient response characteristic that BL8503 is good and temperature characterisitic can be guaranteed the stability of chip and power-supply system.
The 1 pin ground connection of the second chip U2,2 pin are by capacitor C 10 ground connection, and 3 pin meet second source voltage VDD, and separately by capacitor C 11 ground connection, C10 is 0.1 μ F to 3 pin, and C11 is 2.2 μ F.
In preferred version of the present utility model, 2 pin of the first chip U1 meet second source voltage VDD by a resistance R 11 and a red light emitting diodes, 8 pin of the first chip U1 meet second source voltage VDD by a resistance R 12 and a green LED, R11 and R12 are 1K, red and green represents respectively different charged states, and green expression electric weight is full of.
The utility model input is supported solar panel or the adapter access of 5～12V, output can the order joint or Ni-MH battery or the lithium battery of binodal, is applicable to indoor or open-air different occasions, and is easy to carry, and have solar recharging maximum power point tracking function, safe and reliable.
The above is only the utility model preferred embodiment; not thereby limit claim of the present utility model; so the equivalent structure that all utilization the utility model specifications and diagramatic content have been done changes, and all is included in protection range of the present utility model.
Claims (4)
1. multifunctional charger, it is characterized in that, comprise interconnective MCU circuit and step-up/step-down circuit, described step-up/step-down circuit has an input J1 and an output J2, described step-up/step-down circuit comprises the first field effect transistor Q1, the second field effect transistor Q6, the first triode Q2, the second triode Q3, the 3rd triode Q4 and the 4th triode Q5, the source electrode of described the first field effect transistor Q1 connects 2 pin of described input J1, the drain electrode of described the first field effect transistor Q1 is by the first diode D1 ground connection, and connect 1 pin of described output J2 by the first inductance L 1 and the second diode D2,
the emitter of described the first triode Q2 connects the drain electrode of described the first field effect transistor Q1, the collector electrode of described the first triode Q2 connects the grid of the second field effect transistor Q6, the base stage of described the first triode Q2 connect described the 4th triode Q5 base stage, the base stage of described the first triode Q2 connects the collector electrode of described the 3rd triode Q4 by a resistance, the equal ground connection of emitter of described the 3rd triode Q4 and described the 4th triode Q5, the collector electrode of described the first triode Q2 connects the collector electrode of the 4th triode Q5, the drain electrode of described the second field effect transistor Q6 connects 1 pin of described output J2 by described the second diode D2, the source ground of described the second field effect transistor Q6,
2 pin of described input J1 meet the first supply voltage VCC, and by the first capacitor C 1 and the second capacitor C 2 ground connection, 1 pin of described output J2 is by the 3rd capacitor C 3, the 4th capacitor C 4 and the 5th capacitor C 5 ground connection, and described output J2 is by a grounding through resistance;
it is the first chip U1 of SN8P2711 that described MCU circuit adopts model, 12 pin of described the first chip U1 connect 2 pin of described output J2 by a resistance, 12 pin of described the first chip U1 are by a capacity earth, 7 pin of described the first chip U1 connect the collector electrode of the 5th triode Q7, the grounded emitter of described the 5th triode Q7, the base stage of described the 5th triode Q7 is communicated with emitter by a resistance, and the base stage of described the 5th triode Q7 meets the first supply voltage VCC by a resistance, 2 pin of described the first chip U1 and 8 pin meet second source voltage VDD by a resistance and a light-emitting diode respectively, 13 pin of described the first chip U1 are by electric capacity and the grounding through resistance of a parallel connection, and draw high resistance by one and meet described the first supply voltage VCC, 11 pin of described the first chip U1 are by electric capacity and the grounding through resistance of a parallel connection, 11 pin of described the first chip U1 also connect 1 pin of described output J2 by a resistance, 1 pin of described output J2 connects 2 pin of described output J2 by described the 5th capacitor C 5 and a resistance, the base stage of described the second triode Q3 connects 6 pin of described the first chip U1 by a resistance, the base stage of described the 3rd triode Q4 connects 5 pin of described the first chip U1 by a resistance.
2. multifunctional charger as claimed in claim 1, is characterized in that, in described MCU circuit, described second source voltage VDD is by fixed resistance and variable resistor ground connection, described variable resistor and a Capacitance parallel connection of serial connection.
3. multifunctional charger as claimed in claim 2, is characterized in that, it is the second chip U2 of BL8503 that the power unit of described MCU circuit adopts model, the 1 pin ground connection of described the second chip U2,2 pin are by a capacity earth, and 3 pin meet described second source voltage VDD, and 3 pin are separately by a capacity earth.
4. multifunctional charger as claimed in claim 1, it is characterized in that, 2 pin of described the first chip U1 meet second source voltage VDD by a resistance and a red light emitting diodes, and 8 pin of described the first chip U1 meet second source voltage VDD by a resistance and a green LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085787 CN203278276U (en) | 2013-02-25 | 2013-02-25 | Multifunctional charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320085787 CN203278276U (en) | 2013-02-25 | 2013-02-25 | Multifunctional charger |
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| Publication Number | Publication Date |
|---|---|
| CN203278276U true CN203278276U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320085787 Expired - Lifetime CN203278276U (en) | 2013-02-25 | 2013-02-25 | Multifunctional charger |
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| Country | Link |
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| CN (1) | CN203278276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871010A (en) * | 2016-04-28 | 2016-08-17 | 广东百事泰电子商务股份有限公司 | Intelligent storage battery clamp for automobile starting |
| CN108880460A (en) * | 2017-05-16 | 2018-11-23 | 丰郅(上海)新能源科技有限公司 | Buck-boost type electric pressure converter and voltage modulated method for photovoltaic module |
-
2013
- 2013-02-25 CN CN 201320085787 patent/CN203278276U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871010A (en) * | 2016-04-28 | 2016-08-17 | 广东百事泰电子商务股份有限公司 | Intelligent storage battery clamp for automobile starting |
| CN108880460A (en) * | 2017-05-16 | 2018-11-23 | 丰郅(上海)新能源科技有限公司 | Buck-boost type electric pressure converter and voltage modulated method for photovoltaic module |
| CN108880460B (en) * | 2017-05-16 | 2021-01-12 | 丰郅(上海)新能源科技有限公司 | Step-up and step-down voltage converter for photovoltaic module and voltage modulation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN RICHSUN TECHNOLOGYCO., LTD. Free format text: FORMER OWNER: SONG XIANFENG Effective date: 20131213 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 421200 HENGYANG, HUNAN PROVINCE TO: 518102 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131213 Address after: 518102 1-2 prosperous building, 62 District, Xixiang street, linen community, Shenzhen, Guangdong, Baoan District 1207, China Patentee after: SHENZHEN FENGRI SCIENCE & TECHNOLOGY Co.,Ltd. Address before: 421200 West Hunan province Hengyang County town of Zheng Yang Road No. 22 Patentee before: Song Xianfeng |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |