CN104079044A - Multiple-voltage compatible charger circuit - Google Patents
Multiple-voltage compatible charger circuit Download PDFInfo
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- CN104079044A CN104079044A CN201410352328.XA CN201410352328A CN104079044A CN 104079044 A CN104079044 A CN 104079044A CN 201410352328 A CN201410352328 A CN 201410352328A CN 104079044 A CN104079044 A CN 104079044A
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Abstract
The invention relates to a charger circuit, particularly to a multiple-voltage compatible charger circuit which is composed of an input control circuit, a high-frequency switch circuit, an output circuit and a chain circuit, wherein the input control circuit comprises a power supply input interface, a full-bridge manifold block, an adjusting resistor, a trigger capacitor, a trigger diode and a silicon controlled rectifier; the high-frequency switch circuit comprises an oscillation resistor, an oscillation capacitor, a NOT gate a, a NOT gate b, a drive resistor, a field-effect tube and an inductor; the output circuit comprises an isolation resistor b, a charging output interface, a switch and a sampling resistor; the chain circuit comprises a current-limiting resistor a, an optocoupler a, a bias resistor a and an audion a; in the output circuit, a second port of the inductor (L) is connected onto the positive terminal of the charging output interface, the negative terminal of the charging output interface is connected onto an earth wire through a switch, the earth wire is connected onto the negative electrode of the full-bridge manifold block through the sampling resistor. The multiple-voltage compatible charger circuit uses different power sources to charge storage batteries with different voltages in a compatible manner.
Description
Technical field
The present invention relates to electronic circuit, specially refer to a kind of charger circuit.
Background technology
Charger is of many uses in every field, is particularly widely used in the common electrical equipment of mobile phone, camera, electric motor car etc. at sphere of life.Taking storage battery as working power or the electricity consumption occasion of stand-by power supply, charger is with a wide range of applications.
In field of solar thermal power generation, charger is converted to electric energy by solar energy and is stored in storage battery the inside later, and storage battery can be any type of electrical storage device, and the load of storage battery is multifarious, as illuminating lamp, water pump, fan, air-conditioning, electronic cook ware etc.
Existing charger function is more single, and much equipment need be equipped with special charger, and the storage battery of different voltages also needs to be equipped with different chargers.
Summary of the invention
The object of the invention is to provide a kind of charger circuit of multivoltage compatibility, make charger can compatible use the power supply such as alternating current, direct current, solar photocell of different voltages, and can charge to the storage battery of various different voltages, use to meet various device and various occasion, reduce outfit kind or the quantity of charger, saving resource.
The charger circuit of a kind of multivoltage compatibility of the present invention, it is characterized in that charger circuit is by input control circuit, high-frequency switch circuit, output circuit and chain the electric circuit constitute, wherein, input control circuit is made up of power input interface (X1), full-bridge integrated package (IC1), regulating resistance (R3), triggering capacitor (C1), diac (V1) and one-way SCR (VS), high-frequency switch circuit is by oscillation resistance (R5), oscillating capacitor (C3), not gate a(IC3), not gate b(IC4), drive resistance (R6), field effect transistor (VT2) and inductance (L) formation, output circuit is by isolation resistance b(R10), charging output interface (X2), switch (Q) and sample resistance (R9) formation, chain circuit is by current-limiting resistance a(R1), optical coupler a(IC2), biasing resistor a(R2) and triode a(VT1) form, in input control circuit, power input interface (X1) is connected to the input of full-bridge integrated package (IC1), the positive pole of full-bridge integrated package (IC1) is connected to the first pin of regulating resistance (R3) and the anode of one-way SCR (VS), the crus secunda of regulating resistance (R3) is connected to and triggers the first pin of capacitor (C1) and the negative electrode of diac (V1), the crus secunda that triggers capacitor (C1) is connected to ground wire, the anodic bonding of diac (V1) is to the control utmost point of one-way SCR (VS), the negative electrode of one-way SCR (VS) is connected to the first end of inductance (L), in high-frequency switch circuit, the first pin of oscillation resistance (R5) is connected to the first pin and the not gate a(IC3 of oscillating capacitor (C3)) input, the crus secunda of oscillating capacitor (C3) is connected to ground wire, not gate a(IC3) output be connected to crus secunda and the not gate b(IC4 of oscillation resistance (R5)) input, not gate b(IC4) output by driving resistance (R6) to be connected to the grid of field effect transistor (VT2), the source electrode of field effect transistor (VT2) is connected to ground wire, and the drain electrode of field effect transistor (VT2) is connected to the second end of inductance (L), in output circuit, isolation resistance b(R10) the first pin be connected to the second end of inductance (L), isolation resistance b(R10) crus secunda be connected to charging output interface (X2) anode, the negative terminal of charging output interface (X2) is connected to ground wire by switch (Q), ground wire is connected to the first pin of sample resistance (R9), and the crus secunda of sample resistance (R9) is connected to the negative pole of full-bridge integrated package (IC1), in chain circuit, current-limiting resistance a(R1) the first pin be connected to the positive pole of full-bridge integrated package (IC1), current-limiting resistance a(R1) crus secunda be connected to optical coupler a(IC2) the first pin and optical coupler a(IC2) tripod, optical coupler a(IC2) crus secunda be connected to charging output interface (X2) anode, optical coupler a(IC2) the 4th pin by biasing resistor a(R2) be connected to triode a(VT1) and base stage, triode a(VT1) emitter be connected to ground wire, triode a(VT1) collector electrode be connected to the grid of field effect transistor (VT2), when circuit working, triode a(VT1) be the chain element of high-frequency switch circuit.
In the present invention, between the anode of diac (V1) and the control utmost point of one-way SCR (VS), there is protection diode a(V2), the anodic bonding of diac (V1) is to protection diode a(V2) anode, protection diode a(V2) negative electrode be connected to the control utmost point of one-way SCR (VS), at optical coupler a(IC2) crus secunda and the anode of charging output interface (X2) between have protection diode b(V3), optical coupler a(IC2) crus secunda be connected to protection diode b(V3) anode, protection diode b(V3) negative electrode be connected to the anode of charging output interface (X2), at current-limiting resistance a(R1) crus secunda and ground wire between have voltage stabilizing didoe a(V4), current-limiting resistance a(R1) crus secunda be connected to voltage stabilizing didoe a(V4) negative electrode, voltage stabilizing didoe a(V4) anodic bonding to ground wire, in input control circuit, there is divider resistance (R7), optical coupler b(IC5) and current-limiting resistance b(R8), the crus secunda of regulating resistance (R3) is connected to the first pin that triggers capacitor (C1), the first pin of the negative electrode of diac (V1) and divider resistance (R7), the crus secunda of divider resistance (R7) is connected to optical coupler b(IC5) tripod, optical coupler b(IC5) the 4th pin be connected to ground wire, optical coupler b(IC5) the first pin be connected to current-limiting resistance b(R8) crus secunda, current-limiting resistance b(R8) the first pin be connected to the first pin of sample resistance (R9), optical coupler b(IC5) crus secunda be connected to the crus secunda of sample resistance (R9), in high-frequency switch circuit, have isolation resistance a(R4), filtering capacitor (C2) and voltage stabilizing didoe b(V5), not gate a(IC3) and not gate b(IC4) share a digital integrated circuit with six not gates, four unnecessary not gates are parallel to not gate b(IC4) on, the earth terminal of digital integrated circuit is connected to ground wire, the power end of digital integrated circuit is connected to isolation resistance a(R4) the first pin, positive pole and the voltage stabilizing didoe b(V5 of filtering capacitor (C2)) negative electrode, isolation resistance a(R4) crus secunda be connected to charging output interface (X2) anode, the negative pole of filtering capacitor (C2) and voltage stabilizing didoe b(V5) anodic bonding to ground wire, in output circuit, there is band switch (KQ), warning diode a(V6), warning diode b(V7), warning diode c(V8), warning diode d(V9), warning diode e(V10), biasing resistor b(R12), triode b(VT3), current-limiting resistance c(R11) and buzzer (Y), on band switch (KQ), have a moving contact and five fixed contacts, warning diode a(V6) negative electrode, warning diode b(V7) negative electrode, warning diode c(V8) negative electrode, warning diode d(V9) negative electrode and warning diode e(V10) negative electrode be connected to the anode of charging output interface (X2), warning diode a(V6) anode, warning diode b(V7) anode, warning diode c(V8) anode, warning diode d(V9) anode and warning diode e(V10) anode be connected to successively on five fixed contacts of band switch (KQ), the moving contact of band switch (KQ) is by biasing resistor b(R12) be connected to triode b(VT3) base stage, triode b(VT3) collector electrode by current-limiting resistance c(R11) be connected to charging output interface (X2) anode, triode b(VT3) emitter be connected to the first pin of buzzer (Y), the crus secunda of buzzer (Y) is connected to ground wire.
The present invention can compatible use storage battery or the standby batteries of power supply to equipment such as the alternating current, direct current, solar photocell of different voltages to charge.In the time using the alternating current of 220V to charge to storage battery, the alternating current of 220V is by after full-bridge integrated package (IC1) rectification, become the anode that unidirectional pulsating voltage is input to one-way SCR (VS), have pulsating current to pass through regulating resistance (R3) charges to triggering capacitor (C1) simultaneously, in the time that the voltage on triggering capacitor (C1) exceedes the anti-phase puncture voltage of diac (V1), just there is electric current to pass through the control utmost point of one-way SCR (VS), make the conducting of one-way SCR (VS), power supply is just by inductance (L) and isolation resistance b(R10) storage battery is charged, at this moment, on sample resistance (R9), have voltage drop, charging current is larger, just larger in the upper voltage drop producing of sample resistance (R9), by current-limiting resistance b(R8) be input to optical coupler b(IC5) electric current of internal illumination pipe is just larger, the brightness of luminous tube is just higher, making optical coupler b(IC5) internal resistance of inner receiving tube is just less, electric current on triggering capacitor (C1) is close to road to be acted on just larger, the angle of flow of one-way SCR (VS) is diminished, one-way SCR (VS) energising amount reduces, thereby charging current is reduced, otherwise, in the time that charging current is too small, optical coupler b(IC5) internal resistance of inner receiving tube just increases, electric current on triggering capacitor (C1) is close to road effect just to diminish, the angle of flow of one-way SCR (VS) is increased, one-way SCR (VS) energising amount increases, thereby charging current is increased, by automatically regulating charging current at the upper electric current obtaining of sample resistance (R9), in the time that charging current is excessive, automatically make the angle of flow of one-way SCR (VS) reduce, in the time that charging current is too small, automatically make the angle of flow of one-way SCR (VS) increase, by automatic adjusting, make charging current constant, in the time using 220V alternating current to charge to storage battery, because supply voltage is higher than the voltage of storage battery, optical coupler a(IC2) inner luminous tube will light, make optical coupler a(IC2) inner receiving tube conducting, just have electric current to pass through biasing resistor a(R2) be input to triode a(VT1) base stage, triode a(VT1) conducting, make the grid Bei Bang road of field effect transistor (VT2) to ground wire, field effect transistor (VT2) quits work, and inductance (L) can not raising voltage effect.In like manner, when using DC power supply when storage battery is charged, if the voltage of DC power supply is higher than by the voltage of rechargeable battery, the grid of field effect transistor (VT2) is equally by triode a(VT1) be close to road to ground wire, and field effect transistor (VT2) is quit work.While using DC power supply to charge to storage battery, the positive pole of DC power supply and negative pole can be connected to arbitrarily on power input interface (X1), then be input to the anode of one-way SCR (VS) by full-bridge integrated package (IC1), there is constant current to pass through regulating resistance (R3) and diac (V1) to be input to the control utmost point of one-way SCR (VS) simultaneously, make the conducting of one-way SCR (VS), by inductance (L) and isolation resistance b(R10) storage battery is charged, the voltage of solar photocell is often lower than the voltage of storage battery, when the voltage of charge power supply is when by the voltage of rechargeable battery, optical coupler a(IC2) inner luminous tube is and extinguishes state, optical coupler a(IC2) inner receiving tube cut-off, just do not have electric current to be input to triode a(VT1) base stage, triode a(VT1) cut-off, field effect transistor (VT2) is normally worked, by oscillation resistance (R5), oscillating capacitor (C3) and not gate a(IC3) high-frequency oscillation signal that produces is by not gate b(IC4) amplify, promote field effect transistor (VT2) and carry out HF switch action, make inductance (L) play boosting, the power supply of low-voltage is passed through after inductance (L) boosted voltage, again by isolation resistance b(R10) storage battery is charged.
When concrete enforcement: warning diode a(V6) use the voltage-stabiliser tube of 6V, warning diode a(V6) the fixed contact gear of anodic bonding is the charging gear of 6 overhead accumulators; Warning diode b(V7) select the voltage-stabiliser tube of 12V, warning diode b(V7) the fixed contact gear of anodic bonding is the charging gear of 12 overhead accumulators; Remaining the like, there are respectively 24 volts, 36 volts, the charging gear of 48 overhead accumulators.When the storage battery of different voltages is charged, band switch (KQ) is pushed on corresponding charging gear, in the time of storage battery full charge, have electric current to be input to triode b(VT3 by corresponding warning diode) base stage, make triode b(VT3) conducting, buzzer (Y) sends warning sound, inform operating personnel, charging completes, and operating personnel are stopcock (Q), remove charged storage battery, change the other storage battery that needs charging and proceed charging.
The invention has the beneficial effects as follows: the charger circuit of a kind of multivoltage compatibility providing, make charger can compatible use the power supply such as alternating current, direct current, solar photocell of different voltages, and can charge to the storage battery of various different voltages, use to meet various device and various occasion, reduce outfit kind or the quantity of charger, saving resource.
Embodiment
embodimentin execution mode shown in accompanying drawing 1, a kind of charger circuit of multivoltage compatibility is by input control circuit, high-frequency switch circuit, output circuit and chain the electric circuit constitute, wherein, input control circuit by power input interface (X1), full-bridge integrated package (IC1), regulating resistance (R3), trigger capacitor (C1), diac (V1), protection diode a(V2), one-way SCR (VS), divider resistance (R7), optical coupler b(IC5) and current-limiting resistance b(R8) formation, high-frequency switch circuit is by oscillation resistance (R5), oscillating capacitor (C3), not gate a(IC3), not gate b(IC4), drive resistance (R6), field effect transistor (VT2), inductance (L), isolation resistance a(R4), filtering capacitor (C2) and voltage stabilizing didoe b(V5) formation, output circuit is by isolation resistance b(R10), charging output interface (X2), switch (Q), sample resistance (R9), band switch (KQ), warning diode a(V6), warning diode b(V7), warning diode c(V8), warning diode d(V9), warning diode e(V10), biasing resistor b(R12), triode b(VT3), current-limiting resistance c(R11) and buzzer (Y) formation, chain circuit is by current-limiting resistance a(R1), voltage stabilizing didoe a(V4), optical coupler a(IC2), diode b(V3), biasing resistor a(R2) and triode a(VT1) form, in input control circuit, power input interface (X1) is connected to the input of full-bridge integrated package (IC1), the positive pole of full-bridge integrated package (IC1) is connected to the first pin of regulating resistance (R3) and the anode of one-way SCR (VS), the crus secunda of regulating resistance (R3) is connected to the first pin that triggers capacitor (C1), the first pin of the negative electrode of diac (V1) and divider resistance (R7), the crus secunda that triggers capacitor (C1) is connected to ground wire, the anodic bonding of diac (V1) is to protection diode a(V2) anode, protection diode a(V2) negative electrode be connected to the control utmost point of one-way SCR (VS), the negative electrode of one-way SCR (VS) is connected to the first end of inductance (L), the crus secunda of divider resistance (R7) is connected to optical coupler b(IC5) tripod, optical coupler b(IC5) the 4th pin be connected to ground wire, optical coupler b(IC5) the first pin be connected to current-limiting resistance b(R8) crus secunda, current-limiting resistance b(R8) the first pin be connected to the first pin of sample resistance (R9), optical coupler b(IC5) crus secunda be connected to the crus secunda of sample resistance (R9), in high-frequency switch circuit, the first pin of oscillation resistance (R5) is connected to the first pin and the not gate a(IC3 of oscillating capacitor (C3)) input, the crus secunda of oscillating capacitor (C3) is connected to ground wire, not gate a(IC3) output be connected to crus secunda and the not gate b(IC4 of oscillation resistance (R5)) input, not gate b(IC4) output by driving resistance (R6) to be connected to the grid of field effect transistor (VT2), the source electrode of field effect transistor (VT2) is connected to ground wire, the drain electrode of field effect transistor (VT2) is connected to the second end of inductance (L), not gate a(IC3) and not gate b(IC4) share a digital integrated circuit with six not gates, four unnecessary not gates are parallel to not gate b(IC4) on, the earth terminal of digital integrated circuit is connected to ground wire, the power end of digital integrated circuit is connected to isolation resistance a(R4) the first pin, the positive pole of filtering capacitor (C2) and voltage stabilizing didoe b(V5) negative electrode, isolation resistance a(R4) crus secunda be connected to charging output interface (X2) anode, the negative pole of filtering capacitor (C2) and voltage stabilizing didoe b(V5) anodic bonding to ground wire, in output circuit, isolation resistance b(R10) the first pin be connected to the second end of inductance (L), isolation resistance b(R10) crus secunda, warning diode a(V6) negative electrode, warning diode b(V7) negative electrode, warning diode c(V8) negative electrode, warning diode d(V9) negative electrode and warning diode e(V10) negative electrode be connected to the anode of charging output interface (X2), on band switch (KQ), there are a moving contact and five fixed contacts, warning diode a(V6) anode, warning diode b(V7) anode, warning diode c(V8) anode, warning diode d(V9) anode and warning diode e(V10) anode be connected to successively on five fixed contacts of band switch (KQ), the moving contact of band switch (KQ) is by biasing resistor b(R12) be connected to triode b(VT3) base stage, triode b(VT3) collector electrode by current-limiting resistance c(R11) be connected to charging output interface (X2) anode, triode b(VT3) emitter be connected to the first pin of buzzer (Y), the crus secunda of buzzer (Y) is connected to ground wire, the negative terminal of charging output interface (X2) is connected to ground wire by switch (Q), and ground wire is connected to the first pin of sample resistance (R9), and the crus secunda of sample resistance (R9) is connected to the negative pole of full-bridge integrated package (IC1), in chain circuit, current-limiting resistance a(R1) the first pin be connected to the positive pole of full-bridge integrated package (IC1), current-limiting resistance a(R1) crus secunda be connected to voltage stabilizing didoe a(V4) negative electrode, optical coupler a(IC2) the first pin and optical coupler a(IC2) tripod, voltage stabilizing didoe a(V4) anodic bonding to ground wire, optical coupler a(IC2) crus secunda be connected to protection diode b(V3) anode, protection diode b(V3) negative electrode be connected to the anode of charging output interface (X2), optical coupler a(IC2) the 4th pin by biasing resistor a(R2) be connected to triode a(VT1) and base stage, triode a(VT1) emitter be connected to ground wire, triode a(VT1) collector electrode be connected to the grid of field effect transistor (VT2), when circuit working, triode a(VT1) be the chain element of high-frequency switch circuit.
The present embodiment can compatible use storage battery or the standby batteries of power supply to equipment such as the alternating current, direct current, solar photocell of different voltages to charge.In the time using the alternating current of 220V to charge to storage battery, the alternating current of 220V is by after full-bridge integrated package (IC1) rectification, become the anode that unidirectional pulsating voltage is input to one-way SCR (VS), have pulsating current to pass through regulating resistance (R3) charges to triggering capacitor (C1) simultaneously, in the time that the voltage on triggering capacitor (C1) exceedes the anti-phase puncture voltage of diac (V1), just there is electric current to pass through the control utmost point of one-way SCR (VS), make the conducting of one-way SCR (VS), power supply is just by inductance (L) and isolation resistance b(R10) storage battery is charged, at this moment, on sample resistance (R9), have voltage drop, charging current is larger, just larger in the upper voltage drop producing of sample resistance (R9), by current-limiting resistance b(R8) be input to optical coupler b(IC5) electric current of internal illumination pipe is just larger, the brightness of luminous tube is just higher, making optical coupler b(IC5) internal resistance of inner receiving tube is just less, electric current on triggering capacitor (C1) is close to road to be acted on just larger, the angle of flow of one-way SCR (VS) is diminished, one-way SCR (VS) energising amount reduces, thereby charging current is reduced, otherwise, in the time that charging current is too small, optical coupler b(IC5) internal resistance of inner receiving tube just increases, electric current on triggering capacitor (C1) is close to road effect just to diminish, the angle of flow of one-way SCR (VS) is increased, one-way SCR (VS) energising amount increases, thereby charging current is increased, by automatically regulating charging current at the upper electric current obtaining of sample resistance (R9), in the time that charging current is excessive, automatically make the angle of flow of one-way SCR (VS) reduce, in the time that charging current is too small, automatically make the angle of flow of one-way SCR (VS) increase, by automatic adjusting, make charging current constant, in the time using 220V alternating current to charge to storage battery, because supply voltage is higher than the voltage of storage battery, optical coupler a(IC2) inner luminous tube will light, make optical coupler a(IC2) inner receiving tube conducting, just have electric current to pass through biasing resistor a(R2) be input to triode a(VT1) base stage, triode a(VT1) conducting, make the grid Bei Bang road of field effect transistor (VT2) to ground wire, field effect transistor (VT2) quits work, and inductance (L) can not raising voltage effect.In like manner, when using DC power supply when storage battery is charged, if the voltage of DC power supply is higher than by the voltage of rechargeable battery, the grid of field effect transistor (VT2) is equally by triode a(VT1) be close to road to ground wire, and field effect transistor (VT2) is quit work.While using DC power supply to charge to storage battery, the positive pole of DC power supply and negative pole can be connected to arbitrarily on power input interface (X1), then be input to the anode of one-way SCR (VS) by full-bridge integrated package (IC1), there is constant current to pass through regulating resistance (R3) and diac (V1) to be input to the control utmost point of one-way SCR (VS) simultaneously, make the conducting of one-way SCR (VS), by inductance (L) and isolation resistance b(R10) storage battery is charged, when the voltage of DC power supply is when by the voltage of rechargeable battery, optical coupler a(IC2) inner luminous tube is and extinguishes state, optical coupler a(IC2) inner receiving tube cut-off, just do not have electric current to be input to triode a(VT1) base stage, triode a(VT1) cut-off, field effect transistor (VT2) is normally worked, by oscillation resistance (R5), oscillating capacitor (C3) and not gate a(IC3) high-frequency oscillation signal that produces is by not gate b(IC4) amplify, promote field effect transistor (VT2) and carry out HF switch action, make inductance (L) play boosting, the power supply of low-voltage is passed through after inductance (L) boosted voltage, again by isolation resistance b(R10) storage battery is charged.
In the above embodiments, warning diode a(V6) use the voltage-stabiliser tube of 6V, warning diode a(V6) the fixed contact gear of anodic bonding is the charging gear of 6 overhead accumulators; Warning diode b(V7) select the voltage-stabiliser tube of 12V, warning diode b(V7) the fixed contact gear of anodic bonding is the charging gear of 12 overhead accumulators; Remaining the like, there are respectively 24 volts, 36 volts, the charging gear of 48 overhead accumulators.When the storage battery of different voltages is charged, band switch (KQ) is pushed on corresponding charging gear, in the time of storage battery full charge, have electric current to be input to triode b(VT3 by corresponding warning diode) base stage, make triode b(VT3) conducting, buzzer (Y) sends warning sound, inform operating personnel, charging completes, and operating personnel are stopcock (Q), remove charged storage battery, change the other storage battery that needs charging and proceed charging.
Brief description of the drawings
Accompanying drawing 1 is the charger circuit figure of a kind of multivoltage compatibility of the present invention.
In figure: R1. current-limiting resistance a, R2. biasing resistor a, R3. regulating resistance, R4. isolation resistance a, R5. oscillation resistance, R6. drive resistance, R7. divider resistance, R8. current-limiting resistance b, R9. sample resistance, R10. isolation resistance b, R11. current-limiting resistance c, R12. biasing resistor b, C1. trigger capacitor, C2. filtering capacitor, C3. oscillating capacitor, V1. diac, V2. protect diode a, V3. protect diode b, V4. voltage stabilizing didoe a, V5. voltage stabilizing didoe b, V6. warn diode a, V7. warn diode b, V8. warn diode c, V9. warn diode d, V10. warn diode e, IC1. full-bridge integrated package, IC2. optical coupler a, IC3. not gate a, IC4. not gate b, IC5. optical coupler b, VS. one-way SCR, VT1. triode a, VT2. field effect transistor, VT3. triode b, L. inductance, Y. buzzer, Q. switch, X1. power input interface, X2. output interface charges, KQ. band switch, E. accept the battery of charging.
Claims (6)
1. the charger circuit of a multivoltage compatibility, it is characterized in that charger circuit is by input control circuit, high-frequency switch circuit, output circuit and chain the electric circuit constitute, wherein, input control circuit is made up of power input interface (X1), full-bridge integrated package (IC1), regulating resistance (R3), triggering capacitor (C1), diac (V1) and one-way SCR (VS); High-frequency switch circuit is by oscillation resistance (R5), oscillating capacitor (C3), not gate a(IC3), not gate b(IC4), drive resistance (R6), field effect transistor (VT2) and inductance (L) formation; Output circuit is by isolation resistance b(R10), charging output interface (X2), switch (Q) and sample resistance (R9) formation; Chain circuit is by current-limiting resistance a(R1), optical coupler a(IC2), biasing resistor a(R2) and triode a(VT1) form;
In input control circuit, power input interface (X1) is connected to the input of full-bridge integrated package (IC1), the positive pole of full-bridge integrated package (IC1) is connected to the first pin of regulating resistance (R3) and the anode of one-way SCR (VS), the crus secunda of regulating resistance (R3) is connected to and triggers the first pin of capacitor (C1) and the negative electrode of diac (V1), the crus secunda that triggers capacitor (C1) is connected to ground wire, the anodic bonding of diac (V1) is to the control utmost point of one-way SCR (VS), the negative electrode of one-way SCR (VS) is connected to the first end of inductance (L),
In high-frequency switch circuit, the first pin of oscillation resistance (R5) is connected to the first pin and the not gate a(IC3 of oscillating capacitor (C3)) input, the crus secunda of oscillating capacitor (C3) is connected to ground wire, not gate a(IC3) output be connected to crus secunda and the not gate b(IC4 of oscillation resistance (R5)) input, not gate b(IC4) output by driving resistance (R6) to be connected to the grid of field effect transistor (VT2), the source electrode of field effect transistor (VT2) is connected to ground wire, and the drain electrode of field effect transistor (VT2) is connected to the second end of inductance (L);
In output circuit, isolation resistance b(R10) the first pin be connected to the second end of inductance (L), isolation resistance b(R10) crus secunda be connected to charging output interface (X2) anode, the negative terminal of charging output interface (X2) is connected to ground wire by switch (Q), ground wire is connected to the first pin of sample resistance (R9), and the crus secunda of sample resistance (R9) is connected to the negative pole of full-bridge integrated package (IC1);
In chain circuit, current-limiting resistance a(R1) the first pin be connected to the positive pole of full-bridge integrated package (IC1), current-limiting resistance a(R1) crus secunda be connected to optical coupler a(IC2) the first pin and optical coupler a(IC2) tripod, optical coupler a(IC2) crus secunda be connected to charging output interface (X2) anode, optical coupler a(IC2) the 4th pin by biasing resistor a(R2) be connected to triode a(VT1) and base stage, triode a(VT1) emitter be connected to ground wire, triode a(VT1) collector electrode be connected to the grid of field effect transistor (VT2).
2. the charger circuit of a kind of multivoltage compatibility according to claim 1; it is characterized in that having protection diode a(V2 between the anode of diac (V1) and the control utmost point of one-way SCR (VS)); the anodic bonding of diac (V1) is to protection diode a(V2) anode, protection diode a(V2) negative electrode be connected to the control utmost point of one-way SCR (VS).
3. the charger circuit of a kind of multivoltage compatibility according to claim 1, it is characterized in that at optical coupler a(IC2) crus secunda and the anode of charging output interface (X2) between have protection diode b(V3), optical coupler a(IC2) crus secunda be connected to protection diode b(V3) anode, protection diode b(V3) negative electrode be connected to the anode of charging output interface (X2); At current-limiting resistance a(R1) crus secunda and ground wire between have voltage stabilizing didoe a(V4), current-limiting resistance a(R1) crus secunda be connected to voltage stabilizing didoe a(V4) negative electrode, voltage stabilizing didoe a(V4) anodic bonding to ground wire.
4. the charger circuit of a kind of multivoltage compatibility according to claim 1, it is characterized in that in input control circuit, there is divider resistance (R7), optical coupler b(IC5) and current-limiting resistance b(R8), the crus secunda of regulating resistance (R3) is connected to the first pin that triggers capacitor (C1), the first pin of the negative electrode of diac (V1) and divider resistance (R7), the crus secunda of divider resistance (R7) is connected to optical coupler b(IC5) tripod, optical coupler b(IC5) the 4th pin be connected to ground wire, optical coupler b(IC5) the first pin be connected to current-limiting resistance b(R8) crus secunda, current-limiting resistance b(R8) the first pin be connected to the first pin of sample resistance (R9), optical coupler b(IC5) crus secunda be connected to the crus secunda of sample resistance (R9).
5. the charger circuit of a kind of multivoltage compatibility according to claim 1, is characterized in that in high-frequency switch circuit, there is isolation resistance a(R4), filtering capacitor (C2) and voltage stabilizing didoe b(V5); Not gate a(IC3) and not gate b(IC4) share a digital integrated circuit with six not gates, four unnecessary not gates are parallel to not gate b(IC4) on, the earth terminal of digital integrated circuit is connected to ground wire, the power end of digital integrated circuit is connected to isolation resistance a(R4) the first pin, positive pole and the voltage stabilizing didoe b(V5 of filtering capacitor (C2)) negative electrode, isolation resistance a(R4) crus secunda be connected to charging output interface (X2) anode, the negative pole of filtering capacitor (C2) and voltage stabilizing didoe b(V5) anodic bonding to ground wire.
6. the charger circuit of a kind of multivoltage compatibility according to claim 1, is characterized in that in output circuit, there is band switch (KQ), warning diode a(V6), warning diode b(V7), warning diode c(V8), warning diode d(V9), warning diode e(V10), biasing resistor b(R12), triode b(VT3), current-limiting resistance c(R11) and buzzer (Y), on band switch (KQ), have a moving contact and five fixed contacts, warning diode a(V6) negative electrode, warning diode b(V7) negative electrode, warning diode c(V8) negative electrode, warning diode d(V9) negative electrode and warning diode e(V10) negative electrode be connected to the anode of charging output interface (X2), warning diode a(V6) anode, warning diode b(V7) anode, warning diode c(V8) anode, warning diode d(V9) anode and warning diode e(V10) anode be connected to successively on five fixed contacts of band switch (KQ), the moving contact of band switch (KQ) is by biasing resistor b(R12) be connected to triode b(VT3) base stage, triode b(VT3) collector electrode by current-limiting resistance c(R11) be connected to charging output interface (X2) anode, triode b(VT3) emitter be connected to the first pin of buzzer (Y), the crus secunda of buzzer (Y) is connected to ground wire.
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| CN109407154A (en) * | 2018-12-19 | 2019-03-01 | 中南大学 | A kind of application method of the manual electrode boxcar of single channel free style |
| CN111585566A (en) * | 2020-06-10 | 2020-08-25 | 光惠（上海）激光科技有限公司 | Isolation digital input circuit compatible with 5V and 24V voltages |
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| CN105356566A (en) * | 2015-11-20 | 2016-02-24 | 六安市同心畅能电子科技有限公司 | Fire-protection electronic device and emergency lamp standby battery automatic charging control circuit |
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| CN111585566A (en) * | 2020-06-10 | 2020-08-25 | 光惠（上海）激光科技有限公司 | Isolation digital input circuit compatible with 5V and 24V voltages |
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|---|---|
| CN104079044B (en) | 2016-04-06 |
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