CN204905944U - Charging circuit and battery devulcanization circuit based on MOSFET switch framework - Google Patents
Charging circuit and battery devulcanization circuit based on MOSFET switch framework Download PDFInfo
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- CN204905944U CN204905944U CN201520652186.9U CN201520652186U CN204905944U CN 204905944 U CN204905944 U CN 204905944U CN 201520652186 U CN201520652186 U CN 201520652186U CN 204905944 U CN204905944 U CN 204905944U
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Abstract
The utility model relates to a charging circuit and battery devulcanization circuit based on MOSFET switch framework, including main circuit, drive circuit and power supply circuit, drive circuit is connected with the main circuit electricity, main circuit and drive circuit all are connected with the power supply circuit electricity, the main circuit includes the 2nd integrated circuit, first resistance, second resistance, third resistance, fourth resistance, the 5th resistance, the 6th resistance, first electric capacity and first diode, and this charging circuit and battery devulcanization circuit based on MOSFET switch framework passes through the 0V of main circuit not only can the running down of battery time and starts, and can also charge and the devulcanization is gone on simultaneously, and extremely strong to battery maintenance effect, battery life is longer, and through main circuit, drive circuit and power supply circuit for charging circuit and the integrated design of battery devulcanization circuit, the circuit is simple, the consumption is little.
Description
Technical field
The utility model relates to a kind of charging circuit based on switch mosfet framework and battery devulcanization circuit.
Background technology
In most of automobile, business machine inside, capital uses lead-acid battery, battery is all in stand-by state and charge less state mostly, in this case inside battery chemical element is easy to produce inertia, sulfuration therefrom, battery life is reduced greatly, reduce the performance of automobile, business machine, and its devulcanization maintaining effect of most of cell maintenance device is all not obvious.And use relay during the charging of these service equipments, use electronic switch during devulcanization maintenance, the structure of such circuit is just complicated, the mechanical endurance of electronic switch the limited reliability also reducing equipment.Moreover, these service equipments charging and devulcanization function separate, so virtually add the power consumption of equipment, reduce the practicality of equipment.
Utility model content
The technical problems to be solved in the utility model is: large in order to overcome prior art power consumption, circuit is complicated, devulcanization maintenance effect also unconspicuous deficiency, provide a kind of circuit structure simple, low in energy consumption and devulcanization maintenance effect significantly based on charging circuit and the battery devulcanization circuit of switch mosfet framework.
The utility model solves the technical scheme that its technical problem adopts: a kind of charging circuit based on switch mosfet framework and battery devulcanization circuit, comprise main circuit, drive circuit and power circuit, described drive circuit is electrically connected with main circuit, and described main circuit and drive circuit are all electrically connected with power circuit;
Described main circuit comprises the second integrated circuit, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, first electric capacity and the first diode, the model of described second integrated circuit is IRF7341, the five terminal of described second integrated circuit respectively with the 6th end of the second integrated circuit, 7th end is connected with the 8th end, the five terminal of described second integrated circuit is connected with the positive pole of the first electric capacity by the 3rd resistance, the five terminal of described second integrated circuit passes through the series circuit ground connection of the 3rd resistance and the first electric capacity, the five terminal of described second integrated circuit is connected with the anode of the first diode by the 3rd resistance, the five terminal of described second integrated circuit is by the 3rd resistance, the series circuit ground connection of the first resistance and the second resistance composition, the first end of described second integrated circuit is by the 4th grounding through resistance, second end of described second integrated circuit passes through the series circuit ground connection of the 6th resistance and the 5th resistance composition, the first end of described second integrated circuit is connected with the second end of the second integrated circuit by the 6th resistance.
Particularly, described first electric capacity is electrochemical capacitor, and the capacitance of described first electric capacity is 1000uF.
Particularly, described second integrated circuit be encapsulated as SO-8, described second integrated circuit is two N-channel MOS FET.
Particularly, described drive circuit comprises the 7th resistance, 8th resistance, 9th resistance, tenth resistance, 11 resistance, 12 resistance, 13 resistance, 14 resistance, second electric capacity, 5th electric capacity, 6th electric capacity, first triode, second triode, 3rd voltage-stabiliser tube and the first integrated circuit, the model of described first integrated circuit is STM8S003F3, the series circuit that tenth end and the 13 resistance and the 14 resistance of described first integrated circuit form is connected, 9th end of described first integrated circuit is by the 5th capacity earth, 8th end of described first integrated circuit is by the 6th capacity earth, 7th end ground connection of described first integrated circuit, the external 5V DC voltage power supply of 9th end of described first integrated circuit, the first end of described first integrated circuit is connected with the base stage of the second triode, 3rd end of described second integrated circuit passes through the series circuit ground connection of the 8th resistance and the 7th resistance composition, described second electric capacity and the 7th resistor coupled in parallel, 4th end of described second integrated circuit is connected with the collector electrode of the first triode by the 9th resistance, 3rd end of described second integrated circuit is connected with the 4th end of the second integrated circuit by the 12 resistance, 3rd end of described second integrated circuit is connected with the negative electrode of the 3rd voltage-stabiliser tube, 4th end of described second integrated circuit is connected with the anode of the 3rd voltage-stabiliser tube, the emitter of described first triode is connected with the base stage of the first triode by the tenth resistance, the base stage of described first triode is connected with the collector electrode of the second triode, the emitter of described second triode is by the 11 grounding through resistance.
Particularly, described power circuit 3 comprises the second voltage-stabiliser tube, 3rd electric capacity, 4th electric capacity and the first voltage stabilizing triode, the external 5V DC voltage power supply of input of described first voltage stabilizing triode, the input of described first voltage stabilizing triode is by the 4th capacity earth, the earth terminal ground connection of described first voltage stabilizing triode, the output of described first voltage stabilizing triode is by the 3rd capacity earth, the output of described first voltage stabilizing triode is connected with the collector electrode of the first triode, the output of described first voltage stabilizing triode is connected with the anode of the second voltage-stabiliser tube and is connected with the negative electrode of the first diode by the second voltage-stabiliser tube.
Particularly, the model of described first voltage stabilizing triode is LM2950-5V.
The beneficial effects of the utility model are, should based on charging circuit of switch mosfet framework and battery devulcanization circuit by main circuit not only can running down of battery time 0V start, can also charge and to carry out with devulcanization simultaneously, obvious to the devulcanization maintenance effect of battery, battery is longer; And by main circuit, drive circuit and power circuit, make charging circuit and battery devulcanization circuit integrating design, circuit is simple, power consumption is little.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the circuit theory diagrams of the charging circuit based on switch mosfet framework of the present utility model and battery devulcanization circuit;
In figure: 1. main circuit, 2. drive circuit, 3. power circuit, U1. the first integrated circuit, U2. the second integrated circuit, U3. the first voltage stabilizing triode, R1. the first resistance, R2. the second resistance, R3. the 3rd resistance, R4. the 4th resistance, R5. the 5th resistance, R6. the 6th resistance, R7. the 7th resistance, R8. the 8th resistance, R9. the 9th resistance, R10. the tenth resistance, R11. the 11 resistance, R12. the 12 resistance, R13. the 13 resistance, R14. the 14 resistance, C1. the first electric capacity, C2. the second electric capacity, C3. the 3rd electric capacity, C4. the 4th electric capacity, C5. the 5th electric capacity, C6. the 6th electric capacity, D1. the first diode, D2. the second voltage-stabiliser tube, D3. the 3rd voltage-stabiliser tube, Q1. the first triode, Q2. the second triode.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1, a kind of charging circuit based on switch mosfet framework and battery devulcanization circuit, comprise main circuit 1, drive circuit 2 and power circuit 3, described drive circuit 2 is electrically connected with main circuit 1, and described main circuit 1 and drive circuit 2 are all electrically connected with power circuit 3;
Described main circuit 1 comprises the second integrated circuit U2, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, first electric capacity C1 and the first diode D1, the model of described second integrated circuit U2 is IRF7341, the five terminal of described second integrated circuit U2 respectively with the 6th end of the second integrated circuit U2, 7th end is connected with the 8th end, the five terminal of described second integrated circuit U2 is connected with the positive pole of the first electric capacity C1 by the 3rd resistance R3, the five terminal of described second integrated circuit U2 passes through the series circuit ground connection of the 3rd resistance R3 and the first electric capacity C1, the five terminal of described second integrated circuit U2 is connected with the anode of the first diode D1 by the 3rd resistance R3, the five terminal of described second integrated circuit U2 is by the 3rd resistance R3, the series circuit ground connection that first resistance R1 and the second resistance R2 forms, the first end of described second integrated circuit U2 is by the 4th resistance R4 ground connection, second end of described second integrated circuit U2 passes through the series circuit ground connection of the 6th resistance R6 and the 5th resistance R5 composition, the first end of described second integrated circuit U2 is connected with second end of the second integrated circuit U2 by the 6th resistance R6.
Particularly, described first electric capacity C1 is electrochemical capacitor, and the capacitance of described first electric capacity C1 is 1000uF.
Particularly, described second integrated circuit U2 is encapsulated as SO-8, and described second integrated circuit U2 is two N-channel MOS FET.
Particularly, described drive circuit 2 comprises the 7th resistance R7, 8th resistance R8, 9th resistance R9, tenth resistance R10, 11 resistance R11, 12 resistance R12, 13 resistance R13, 14 resistance R14, second electric capacity C2, 5th electric capacity C5, 6th electric capacity C6, first triode Q1, second triode Q2, 3rd voltage-stabiliser tube D3 and the first integrated circuit U1, the model of described first integrated circuit U1 is STM8S003F3, tenth end of described first integrated circuit U1 is connected with the series circuit that the 13 resistance R13 and the 14 resistance R14 forms, 9th end of described first integrated circuit U1 is by the 5th electric capacity C5 ground connection, 8th end of described first integrated circuit U1 is by the 6th electric capacity C6 ground connection, the 7th end ground connection of described first integrated circuit U1, the external 5V DC voltage power supply of 9th end of described first integrated circuit U1, the first end of described first integrated circuit U1 is connected with the base stage of the second triode Q2, 3rd end of described second integrated circuit U2 passes through the series circuit ground connection of the 8th resistance R8 and the 7th resistance R7 composition, described second electric capacity C2 is in parallel with the 7th resistance R7, 4th end of described second integrated circuit U2 is connected with the collector electrode of the first triode Q1 by the 9th resistance R9, 3rd end of described second integrated circuit U2 is connected with the 4th end of the second integrated circuit U2 by the 12 resistance R12, 3rd end of described second integrated circuit U2 is connected with the negative electrode of the 3rd voltage-stabiliser tube D3, 4th end of described second integrated circuit U2 is connected with the anode of the 3rd voltage-stabiliser tube D3, the emitter of described first triode Q1 is connected with the base stage of the first triode Q1 by the tenth resistance R10, the base stage of described first triode Q1 is connected with the collector electrode of the second triode Q2, the emitter of described second triode Q2 is by the 11 resistance R11 ground connection.
Particularly, described power circuit 3 comprises the second voltage-stabiliser tube D2, 3rd electric capacity C3, 4th electric capacity C4 and the first voltage stabilizing triode U3, the external 5V DC voltage power supply of input of described first voltage stabilizing triode U3, the input of described first voltage stabilizing triode U3 is by the 4th electric capacity C4 ground connection, the earth terminal ground connection of described first voltage stabilizing triode U3, the output of described first voltage stabilizing triode U3 is by the 3rd electric capacity C3 ground connection, the output of described first voltage stabilizing triode U3 is connected with the collector electrode of the first triode Q1, the output of described first voltage stabilizing triode U3 is connected with the anode of the second voltage-stabiliser tube D2 and is connected with the negative electrode of the first diode D1 by the second voltage-stabiliser tube D2.
Particularly, the model of described first voltage stabilizing triode U3 is LM2950-5V.
In fact: the 3rd end of the second integrated circuit U2 is held with B-and is connected, the five terminal of the second integrated circuit U2 is held by the 3rd resistance R3 and B+ and is connected.Second end of the second integrated circuit U2 is connected with the 13 resistance R13 and the 14 resistance R14 respectively.The just very U0 of the first electric capacity C1 holds, and the positive pole of the first electric capacity C1 is connected with the 13 resistance R13.
Should be based on the charging circuit of switch mosfet framework and the operation principle of battery devulcanization circuit: work as B+, when B-connects battery, after first integrated circuit U1 examines rechargable battery, think and need charging, tenth end of the first integrated circuit U1 exports high level, second end of the second integrated circuit U2 is driven by the 14 resistance R14, make one of them MOSFET conducting of the second integrated circuit U2, the first end of the first integrated circuit U1 exports a pulse makes the second integrated circuit U2 another MOSFET conducting under pulse condition by the first triode Q1 and the second triode Q2, this MOSFET is when pulse conducting, charging current is had to battery, voltage during shutoff on UO can rise, having one is superimposed upon in charging current when next cycle is opened higher than charging current several times of pulse currents, this pulse current is devulcanization electric current, after pulse current, flat rank electric current is charging current, namely high impulse devulcanization electric current is had like this within a cycle, there is charging current again, charging and devulcanization are carried out simultaneously, cry again omnidistance devulcanization, extremely strong to battery maintenance maintenance effect, battery is longer.
Compared with prior art, should based on charging circuit of switch mosfet framework and battery devulcanization circuit by main circuit 1 not only can running down of battery time 0V start, can also charge and to carry out with devulcanization simultaneously, obvious to the devulcanization maintenance effect of battery, battery is longer; And by main circuit 1, drive circuit 2 and power circuit 3, make charging circuit and battery devulcanization circuit integrating design, circuit is simple, power consumption is little.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. the charging circuit based on switch mosfet framework and battery devulcanization circuit, it is characterized in that, comprise main circuit (1), drive circuit (2) and power circuit (3), described drive circuit (2) is electrically connected with main circuit (1), and described main circuit (1) and drive circuit (2) are all electrically connected with power circuit (3);
Described main circuit (1) comprises the second integrated circuit (U2), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), first electric capacity (C1) and the first diode (D1), the model of described second integrated circuit (U2) is IRF7341, the five terminal of described second integrated circuit (U2) respectively with the 6th end of the second integrated circuit (U2), 7th end is connected with the 8th end, the five terminal of described second integrated circuit (U2) is connected with the positive pole of the first electric capacity (C1) by the 3rd resistance (R3), the five terminal of described second integrated circuit (U2) passes through the series circuit ground connection of the 3rd resistance (R3) and the first electric capacity (C1), the five terminal of described second integrated circuit (U2) is connected with the anode of the first diode (D1) by the 3rd resistance (R3), the five terminal of described second integrated circuit (U2) is by the 3rd resistance (R3), the series circuit ground connection that first resistance (R1) and the second resistance (R2) form, the first end of described second integrated circuit (U2) is by the 4th resistance (R4) ground connection, the series circuit ground connection that second end of described second integrated circuit (U2) consists of the 6th resistance (R6) and the 5th resistance (R5), the first end of described second integrated circuit (U2) is connected with the second end of the second integrated circuit (U2) by the 6th resistance (R6).
2., as claimed in claim 1 based on charging circuit and the battery devulcanization circuit of switch mosfet framework, it is characterized in that, described first electric capacity (C1) is electrochemical capacitor, and the capacitance of described first electric capacity (C1) is 1000uF.
3. as claimed in claim 1 based on charging circuit and the battery devulcanization circuit of switch mosfet framework, it is characterized in that, described second integrated circuit (U2) be encapsulated as SO-8, described second integrated circuit (U2) is two N-channel MOS FET.
4. as claimed in claim 1 based on charging circuit and the battery devulcanization circuit of switch mosfet framework, it is characterized in that, described drive circuit (2) comprises the 7th resistance (R7), 8th resistance (R8), 9th resistance (R9), tenth resistance (R10), 11 resistance (R11), 12 resistance (R12), 13 resistance (R13), 14 resistance (R14), second electric capacity (C2), 5th electric capacity (C5), 6th electric capacity (C6), first triode (Q1), second triode (Q2), 3rd voltage-stabiliser tube (D3) and the first integrated circuit (U1), the model of described first integrated circuit (U1) is STM8S003F3, the series circuit that tenth end and the 13 resistance (R13) and the 14 resistance (R14) of described first integrated circuit (U1) form is connected, 9th end of described first integrated circuit (U1) is by the 5th electric capacity (C5) ground connection, 8th end of described first integrated circuit (U1) is by the 6th electric capacity (C6) ground connection, 7th end ground connection of described first integrated circuit (U1), the external 5V DC voltage power supply of 9th end of described first integrated circuit (U1), the first end of described first integrated circuit (U1) is connected with the base stage of the second triode (Q2), the series circuit ground connection that 3rd end of described second integrated circuit (U2) consists of the 8th resistance (R8) and the 7th resistance (R7), described second electric capacity (C2) is in parallel with the 7th resistance (R7), 4th end of described second integrated circuit (U2) is connected with the collector electrode of the first triode (Q1) by the 9th resistance (R9), 3rd end of described second integrated circuit (U2) is connected with the 4th end of the second integrated circuit (U2) by the 12 resistance (R12), 3rd end of described second integrated circuit (U2) is connected with the negative electrode of the 3rd voltage-stabiliser tube (D3), 4th end of described second integrated circuit (U2) is connected with the anode of the 3rd voltage-stabiliser tube (D3), the emitter of described first triode (Q1) is connected with the base stage of the first triode (Q1) by the tenth resistance (R10), the base stage of described first triode (Q1) is connected with the collector electrode of the second triode (Q2), the emitter of described second triode (Q2) is by the 11 resistance (R11) ground connection.
5. as claimed in claim 1 based on charging circuit and the battery devulcanization circuit of switch mosfet framework, it is characterized in that, described power circuit (3) comprises the second voltage-stabiliser tube (D2), 3rd electric capacity (C3), 4th electric capacity (C4) and the first voltage stabilizing triode (U3), the external 5V DC voltage power supply of input of described first voltage stabilizing triode (U3), the input of described first voltage stabilizing triode (U3) is by the 4th electric capacity (C4) ground connection, the earth terminal ground connection of described first voltage stabilizing triode (U3), the output of described first voltage stabilizing triode (U3) is by the 3rd electric capacity (C3) ground connection, the output of described first voltage stabilizing triode (U3) is connected with the collector electrode of the first triode (Q1), the output of described first voltage stabilizing triode (U3) is connected with the anode of the second voltage-stabiliser tube (D2) and is connected with the negative electrode of the first diode (D1) by the second voltage-stabiliser tube (D2).
6., as claimed in claim 5 based on charging circuit and the battery devulcanization circuit of switch mosfet framework, it is characterized in that, the model of described first voltage stabilizing triode (U3) is LM2950-5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652186.9U CN204905944U (en) | 2015-08-26 | 2015-08-26 | Charging circuit and battery devulcanization circuit based on MOSFET switch framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652186.9U CN204905944U (en) | 2015-08-26 | 2015-08-26 | Charging circuit and battery devulcanization circuit based on MOSFET switch framework |
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| Publication Number | Publication Date |
|---|---|
| CN204905944U true CN204905944U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520652186.9U Active CN204905944U (en) | 2015-08-26 | 2015-08-26 | Charging circuit and battery devulcanization circuit based on MOSFET switch framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905944U (en) |
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2015
- 2015-08-26 CN CN201520652186.9U patent/CN204905944U/en active Active
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Address after: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Huangtian Pui Kong Industrial Zone Third Patentee after: Shenzhen Yade power Polytron Technologies Inc Address before: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Huangtian Pui Kong Industrial Zone Third Patentee before: Yade electric (Shenzhen) Co. Ltd. |