CN103595110A - Polarity identification converting circuit for charger - Google Patents
Polarity identification converting circuit for charger Download PDFInfo
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- CN103595110A CN103595110A CN201210321569.9A CN201210321569A CN103595110A CN 103595110 A CN103595110 A CN 103595110A CN 201210321569 A CN201210321569 A CN 201210321569A CN 103595110 A CN103595110 A CN 103595110A
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Abstract
The invention discloses a polarity identification converting circuit for a charger. The polarity identification converting circuit for the charger comprises a relay converting circuit and an identification circuit, wherein the relay converting circuit comprises a first relay, a second relay, a first switch, a second switch, a third switch and a fourth switch, on and off of the first switch and the fourth switch are controlled by the first relay, on and off of the second switch and the third switch are controlled by the second relay, the identification circuit comprises a first diode, a second diode, a third diode, a fourth diode, a fifth voltage stabilizing diode, a second resistor, a first optical coupler silicon controlled rectifier, a second optical coupler silicon controlled rectifier and a first triode. The polarity identification converting circuit can automatically identify polarity of a storage cell, guarantees polarity consistency of the storage cell and a polarity output end of the charger to avoid burning of the storage cell or the charger, and is safe and reliable.
Description
Technical field
The present invention relates to charger, relate in particular to a kind of charger polarity identification change-over circuit.
Background technology
Charger in currently available technology is various in style, but all has a common feature, be exactly to connect by correct battery polar, and charger output can not short circuit, otherwise will burn battery or charger, possible initiation fire when serious.
Summary of the invention
The invention provides a kind of charger polarity identification change-over circuit, can automatically identify the polarity of storage battery, guarantee that the polarity of the polarity of storage battery and the polarity output terminal of charger is consistent, can not burn storage battery or charger, safe and reliable.
Technical scheme of the present invention is:
Use a polarity identification change-over circuit, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay J 1, the second relay J 2, the first K switch 1-1, the 3rd K switch 2-1, the 4th K switch 2-2, second switch K1-2; The first relay J 1 is controlled the break-make of the first K switch 1-1 and second switch K1-2, and the second relay J 2 is controlled the break-make of the 3rd K switch 2-1 and the 4th K switch 2-2;
Identification circuit comprises: first, second, third, fourth diode D1, D2, D3, D4, the 5th voltage stabilizing didoe D5, the second resistance R 2, first, second optocoupler controllable silicon IC1, IC2, the first triode Q1;
One end 1 of ac input end is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay J 1 coil, the second relay J 2 coils respectively, the control switch of the first optocoupler controllable silicon IC1 is connected between first other end of relay J 1 coil and the other end 2 of ac input end, and the control switch of the second optocoupler controllable silicon IC2 is connected between second other end of relay J 2 coils and the other end 2 of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first K switch 1-1, one end of the 3rd K switch 2-1 respectively, one end M of polarity output terminal is connected with the other end of the first K switch 1-1, one end of the 4th K switch 2-2 respectively, the other end N of polarity output terminal is connected with the other end of the 3rd K switch 2-1, one end of second switch K1-2 respectively, and the other end of the other end of the 4th K switch 2-2, second switch K1-2 is connected with the other end 2 of ac input end respectively;
One end M of polarity output terminal also respectively with the positive pole of the first diode D1, the negative pole of the 4th diode D4 connects, the negative pole of the first diode D1 is connected with the positive pole of the light-emitting diode of the first optocoupler controllable silicon IC1, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is connected with the negative pole of the light-emitting diode of the second optocoupler controllable silicon IC2, the positive pole of the light-emitting diode of the second optocoupler controllable silicon IC2 is connected with the negative pole of the second diode D2, the positive pole of the second diode D2 respectively with the negative pole of the 3rd diode D3, the other end N of polarity output terminal connects, the positive pole of the 3rd diode D3 respectively with the positive pole of the 4th diode D4, the negative pole of the 5th voltage stabilizing didoe D5, the emitter of the first triode Q1 connects, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is also connected with the collector electrode of the first triode Q1, one end of the second resistance R 2 respectively, and the other end of the second resistance R 2 is connected with the base stage of the first triode Q1, the positive pole of the 5th voltage stabilizing didoe D5 respectively.
Use a polarity identification change-over circuit, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay J 1, the second relay J 2, the first K switch 1-1, the 3rd K switch 2-1, the 4th K switch 2-2, second switch K1-2; The first relay J 1 is controlled the break-make of the first K switch 1-1 and second switch K1-2, and the second relay J 2 is controlled the break-make of the 3rd K switch 2-1 and the 4th K switch 2-2;
Identification circuit comprises: eight, the 9th diode D8, D9, the 6th, the 7th voltage stabilizing didoe D6, D7, the 5th resistance R 5, the 3rd, the 4th optocoupler controllable silicon IC3, IC4, the second triode Q2, the 3rd triode Q3;
One end 1 of ac input end is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay J 1 coil, the second relay J 2 coils respectively, the control switch of the 3rd optocoupler controllable silicon IC3 is connected between first other end of relay J 1 coil and the other end 2 of ac input end, and the control switch of the 4th optocoupler controllable silicon IC4 is connected between second other end of relay J 2 coils and the other end 2 of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first K switch 1-1, one end of the 3rd K switch 2-1 respectively, one end M of polarity output terminal is connected with the other end of the first K switch 1-1, one end of the 4th K switch 2-2 respectively, the other end N of polarity output terminal is connected with the other end of the 3rd K switch 2-1, one end of second switch K1-2 respectively, and the other end of the other end of the 4th K switch 2-2, second switch K1-2 is connected with the other end 2 of ac input end respectively;
One end M of polarity output terminal also respectively with the emitter of the 3rd triode, the negative pole of the 6th voltage stabilizing didoe D6 connects, the positive pole of the 6th voltage stabilizing didoe D6 respectively with the base stage of the 3rd triode Q3, one end of the 5th resistance R 5, the positive pole of the 8th diode D8 connects, the collector electrode of the 3rd triode Q3 is connected with the negative pole of the light-emitting diode of the 4th optocoupler controllable silicon IC4, the positive pole of the light-emitting diode of the 4th optocoupler controllable silicon IC4 is connected with the negative pole of the 9th diode D9, the positive pole of the 9th diode D9 respectively with the positive pole of the 7th voltage stabilizing didoe D7, the other end of the 5th resistance R 5, the base stage of the second triode Q2 connects, the negative pole of the 7th voltage stabilizing didoe D7, the emitter of the second triode Q2 meets respectively the other end N of polarity output terminal, the collector electrode of the second triode Q2 is connected with the negative pole of the light-emitting diode of the 3rd optocoupler controllable silicon IC3, and the positive pole of the light-emitting diode of the 3rd optocoupler controllable silicon IC3 is connected with the negative pole of the 8th diode D8.
Use a polarity identification change-over circuit, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay J 1, the second relay J 2, the first K switch 1-1, the 3rd K switch 2-1, the 4th K switch 2-2, second switch K1-2; The first relay J 1 is controlled the break-make of the first K switch 1-1 and second switch K1-2, and the second relay J 2 is controlled the break-make of the 3rd K switch 2-1 and the 4th K switch 2-2;
Identification circuit comprises: the 11, the 12 diode D11, D12, the tenth, the 13 voltage stabilizing didoe D10, D13, the 7th, the tenth resistance R 7, R10, the 5th, the 6th optocoupler controllable silicon IC5, IC6, the 4th triode Q4, the 5th triode Q5;
One end 1 of ac input end is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay J 1 coil, the second relay J 2 coils respectively, the control switch of the 5th optocoupler controllable silicon IC5 is connected between first other end of relay J 1 coil and the other end 2 of ac input end, and the control switch of the 6th optocoupler controllable silicon IC6 is connected between second other end of relay J 2 coils and the other end 2 of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first K switch 1-1, one end of the 3rd K switch 2-1 respectively, one end M of polarity output terminal is connected with the other end of the first K switch 1-1, one end of the 4th K switch 2-2 respectively, the other end N of polarity output terminal is connected with the other end of the 3rd K switch 2-1, one end of second switch K1-2 respectively, and the other end of the other end of the 4th K switch 2-2, second switch K1-2 is connected with the other end 2 of ac input end respectively;
One end M of polarity output terminal is also connected with the 13 negative pole of voltage stabilizing didoe D13, the emitter of the positive pole of the 11 diode D11, the 5th triode Q5 respectively, the negative pole of the 11 diode D11 is connected with one end of the 7th resistance R 7, the other end of the 7th resistance R 7 respectively with the positive pole of the tenth voltage stabilizing didoe D10, the base stage of the 4th triode Q4 connects, the negative pole of the 11 diode D11 is connected with the positive pole of the light-emitting diode of the 5th optocoupler controllable silicon IC5, the negative pole of the light-emitting diode of the 5th optocoupler controllable silicon IC5 is connected with the collector electrode of the 4th triode Q4, the collector electrode of the 5th triode Q5 is connected with the negative pole of the light-emitting diode of the 6th optocoupler controllable silicon IC6, the positive pole of the light-emitting diode of the 6th optocoupler controllable silicon IC6 is connected with the negative pole of the 12 diode D12, the base stage of the 5th triode Q5 respectively with one end of the tenth resistance R 10, the positive pole of the 13 voltage stabilizing didoe D13 connects, the other end of the tenth resistance R 10 is connected with the negative pole of the 12 diode D12, the emitter of the 4th triode Q4, the negative pole of the tenth voltage stabilizing didoe D10, the positive pole of the 12 diode D12 meets respectively the other end N of polarity output terminal.
Use a polarity identification change-over circuit, comprise controllable silicon charging conversion circuit and identification circuit;
Identification circuit comprises: first, second, third, fourth diode D1, D2, D3, D4, the 5th voltage stabilizing didoe D5, the second resistance R 2, first, second optocoupler controllable silicon IC1, IC2, the first triode Q1;
Controllable silicon charging conversion circuit comprises: the 11 resistance R 11, bidirectional triode thyristor T1, the 14, the 15 diode D14, D15;
One end 1 of ac input end is connected with one end of the 11 resistance R 11, the second plate of bidirectional triode thyristor T1 respectively, and the other end of the 11 resistance R 11 is connected with the 14 negative pole of diode D14, the positive pole of the 15 diode D15 respectively; The negative pole of the 15 diode D15 is connected by the first control switch of optocoupler controllable silicon IC1 and the control utmost point of bidirectional triode thyristor T1, the positive pole of the 14 diode D14 is connected by the second control switch of optocoupler controllable silicon IC2 and the control utmost point of bidirectional triode thyristor T1, and the first anode of bidirectional triode thyristor T1 meets one end M of polarity output terminal;
One end M of polarity output terminal also respectively with the positive pole of the first diode D1, the negative pole of the 4th diode D4 connects, the negative pole of the first diode D1 is connected with the positive pole of the light-emitting diode of the first optocoupler controllable silicon IC1, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is connected with the negative pole of the light-emitting diode of the second optocoupler controllable silicon IC2, the positive pole of the light-emitting diode of the second optocoupler controllable silicon IC2 is connected with the negative pole of the second diode D2, the positive pole of the second diode D2 respectively with the negative pole of the 3rd diode D3, the other end N of polarity output terminal connects, the positive pole of the 3rd diode D3 respectively with the positive pole of the 4th diode D4, the negative pole of the 5th voltage stabilizing didoe D5, the emitter of the first triode Q1 connects, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is also connected with the collector electrode of the first triode Q1, one end of the second resistance R 2 respectively, and the other end of the second resistance R 2 is connected with the base stage of the first triode Q1, the positive pole of the 5th voltage stabilizing didoe D5 respectively.
Charger of the present invention polarity identification change-over circuit, at polarity output terminal M, receive the positive pole of storage battery, when polarity output terminal N receives the negative pole of storage battery, the first optocoupler controllable silicon IC1 work, it is closed that the first relay J 1 is controlled the first K switch 1-1, second switch K1-2, now controllable silicon charger output cathode end is connected with polarity output terminal M, and the zero line of ac input end is connected with polarity output terminal N, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent; In like manner at polarity output terminal N, receive the positive pole of storage battery, when polarity output terminal M receives the negative pole of storage battery, the second optocoupler controllable silicon IC2 work, the second relay J 2 is controlled the 3rd K switch 2-1, the 4th K switch 2-2 is closed, now controllable silicon charger output cathode end is connected with polarity output terminal N, the zero line of ac input end is connected with polarity output terminal M, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent; So the present invention can identify the polarity of storage battery automatically, guarantee that the polarity of the polarity of storage battery and the polarity output terminal of charger is consistent, can not burn storage battery or charger, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the relay conversion circuit in polarity identification change-over circuit for charger of the present invention;
Fig. 2 is the circuit theory diagrams that are connected to the identification circuit between polarity output terminal M and N one in polarity identification change-over circuit for charger of the present invention;
Fig. 3 is the circuit theory diagrams that are connected to the identification circuit between polarity output terminal M and N two in polarity identification change-over circuit for charger of the present invention;
Fig. 4 is the circuit theory diagrams that are connected to the identification circuit between polarity output terminal M and N three in polarity identification change-over circuit for charger of the present invention;
Fig. 5 is polarity identification change-over circuit circuit theory diagrams in one embodiment for charger of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are done to a detailed elaboration.
Embodiment mono-
Charger in this embodiment polarity identification change-over circuit, as shown in Figure 1 and Figure 2, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay J 1, the second relay J 2, the first K switch 1-1, the 3rd K switch 2-1, the 4th K switch 2-2, second switch K1-2; The first relay J 1 is controlled the break-make of the first K switch 1-1 and second switch K1-2, and the second relay J 2 is controlled the break-make of the 3rd K switch 2-1 and the 4th K switch 2-2;
Identification circuit comprises: first, second, third, fourth diode D1, D2, D3, D4, the 5th voltage stabilizing didoe D5, the second resistance R 2, first, second optocoupler controllable silicon IC1, IC2, the first triode Q1;
One end 1 of ac input end is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay J 1 coil, the second relay J 2 coils respectively, the control switch of the first optocoupler controllable silicon IC1 is connected between first other end of relay J 1 coil and the other end 2 of ac input end, and the control switch of the second optocoupler controllable silicon IC2 is connected between second other end of relay J 2 coils and the other end 2 of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first K switch 1-1, one end of the 3rd K switch 2-1 respectively, one end M of polarity output terminal is connected with the other end of the first K switch 1-1, one end of the 4th K switch 2-2 respectively, the other end N of polarity output terminal is connected with the other end of the 3rd K switch 2-1, one end of second switch K1-2 respectively, and the other end of the other end of the 4th K switch 2-2, second switch K1-2 is connected with the other end 2 of ac input end respectively;
One end M of polarity output terminal also respectively with the positive pole of the first diode D1, the negative pole of the 4th diode D4 connects, the negative pole of the first diode D1 is connected with the positive pole of the light-emitting diode of the first optocoupler controllable silicon IC1, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is connected with the negative pole of the light-emitting diode of the second optocoupler controllable silicon IC2, the positive pole of the light-emitting diode of the second optocoupler controllable silicon IC2 is connected with the negative pole of the second diode D2, the positive pole of the second diode D2 respectively with the negative pole of the 3rd diode D3, the other end N of polarity output terminal connects, the positive pole of the 3rd diode D3 respectively with the positive pole of the 4th diode D4, the negative pole of the 5th voltage stabilizing didoe D5, the emitter of the first triode Q1 connects, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is also connected with the collector electrode of the first triode Q1, one end of the second resistance R 2 respectively, and the other end of the second resistance R 2 is connected with the base stage of the first triode Q1, the positive pole of the 5th voltage stabilizing didoe D5 respectively.
In addition, can also comprise the first resistance R 1 between the negative pole of the light-emitting diode that is connected to the first optocoupler controllable silicon IC1 and the collector electrode of the first triode Q1, and be connected to the 3rd resistance R 3 between the emitter of the first triode Q1 and the positive pole of the 3rd diode D3.
At polarity output terminal M, receive the positive pole of storage battery, when polarity output terminal N receives the negative pole of storage battery, the first optocoupler controllable silicon IC1 work, it is closed that the first relay J 1 is controlled the first K switch 1-1, second switch K1-2, now controllable silicon charger output cathode end is connected with polarity output terminal M, the zero line of ac input end is connected with polarity output terminal N, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent; In like manner at polarity output terminal N, receive the positive pole of storage battery, when polarity output terminal M receives the negative pole of storage battery, the second optocoupler controllable silicon IC2 work, the second relay J 2 is controlled the 3rd K switch 2-1, the 4th K switch 2-2 is closed, now controllable silicon charger output cathode end is connected with polarity output terminal N, the zero line of ac input end is connected with polarity output terminal M, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent.
Embodiment bis-
Charger in this embodiment polarity identification change-over circuit, as Fig. 1, Fig. 3, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay J 1, the second relay J 2, the first K switch 1-1, the 3rd K switch 2-1, the 4th K switch 2-2, second switch K1-2; The first relay J 1 is controlled the break-make of the first K switch 1-1 and second switch K1-2, and the second relay J 2 is controlled the break-make of the 3rd K switch 2-1 and the 4th K switch 2-2;
Identification circuit comprises: eight, the 9th diode D8, D9, the 6th, the 7th voltage stabilizing didoe D6, D7, the 5th resistance R 5, the 3rd, the 4th optocoupler controllable silicon IC3, IC4, the second triode Q2, the 3rd triode Q3;
One end 1 of ac input end is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay J 1 coil, the second relay J 2 coils respectively, the control switch of the 3rd optocoupler controllable silicon IC3 is connected between first other end of relay J 1 coil and the other end 2 of ac input end, and the control switch of the 4th optocoupler controllable silicon IC4 is connected between second other end of relay J 2 coils and the other end 2 of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first K switch 1-1, one end of the 3rd K switch 2-1 respectively, one end M of polarity output terminal is connected with the other end of the first K switch 1-1, one end of the 4th K switch 2-2 respectively, the other end N of polarity output terminal is connected with the other end of the 3rd K switch 2-1, one end of second switch K1-2 respectively, and the other end of the other end of the 4th K switch 2-2, second switch K1-2 is connected with the other end 2 of ac input end respectively;
One end M of polarity output terminal also respectively with the emitter of the 3rd triode, the negative pole of the 6th voltage stabilizing didoe D6 connects, the positive pole of the 6th voltage stabilizing didoe D6 respectively with the base stage of the 3rd triode Q3, one end of the 5th resistance R 5, the positive pole of the 8th diode D8 connects, the collector electrode of the 3rd triode Q3 is connected with the negative pole of the light-emitting diode of the 4th optocoupler controllable silicon IC4, the positive pole of the light-emitting diode of the 4th optocoupler controllable silicon IC4 is connected with the negative pole of the 9th diode D9, the positive pole of the 9th diode D9 respectively with the positive pole of the 7th voltage stabilizing didoe D7, the other end of the 5th resistance R 5, the base stage of the second triode Q2 connects, the negative pole of the 7th voltage stabilizing didoe D7, the emitter of the second triode Q2 meets respectively the other end N of polarity output terminal, the collector electrode of the second triode Q2 is connected with the negative pole of the light-emitting diode of the 3rd optocoupler controllable silicon IC3, and the positive pole of the light-emitting diode of the 3rd optocoupler controllable silicon IC3 is connected with the negative pole of the 8th diode D8.
In addition, can also comprise the 4th resistance R 4 being connected between one end M of polarity output terminal and the emitter of the 3rd triode Q3, and be connected to the 6th resistance R 6 between the other end N of polarity output terminal and the emitter of the second triode Q2.
At polarity output terminal M, receive the positive pole of storage battery, when polarity output terminal N receives the negative pole of storage battery, the 3rd optocoupler controllable silicon IC3 work, it is closed that the first relay J 1 is controlled the first K switch 1-1, second switch K1-2, now controllable silicon charger output cathode end is connected with polarity output terminal M, the zero line of ac input end is connected with polarity output terminal N, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent; In like manner at polarity output terminal N, receive the positive pole of storage battery, when polarity output terminal M receives the negative pole of storage battery, the 4th optocoupler controllable silicon IC4 work, the second relay J 2 is controlled the 3rd K switch 2-1, the 4th K switch 2-2 is closed, now controllable silicon charger output cathode end is connected with polarity output terminal N, the zero line of ac input end is connected with polarity output terminal M, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent.
Embodiment tri-
Charger in this embodiment polarity identification change-over circuit, as Fig. 1, Fig. 4, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay J 1, the second relay J 2, the first K switch 1-1, the 3rd K switch 2-1, the 4th K switch 2-2, second switch K1-2; The first relay J 1 is controlled the break-make of the first K switch 1-1 and second switch K1-2, and the second relay J 2 is controlled the break-make of the 3rd K switch 2-1 and the 4th K switch 2-2;
Identification circuit comprises: the 11, the 12 diode D11, D12, the tenth, the 13 voltage stabilizing didoe D10, D13, the 7th, the tenth resistance R 7, R10, the 5th, the 6th optocoupler controllable silicon IC5, IC6, the 4th triode Q4, the 5th triode Q5;
One end 1 of ac input end is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay J 1 coil, the second relay J 2 coils respectively, the control switch of the 5th optocoupler controllable silicon IC5 is connected between first other end of relay J 1 coil and the other end 2 of ac input end, and the control switch of the 6th optocoupler controllable silicon IC6 is connected between second other end of relay J 2 coils and the other end 2 of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first K switch 1-1, one end of the 3rd K switch 2-1 respectively, one end M of polarity output terminal is connected with the other end of the first K switch 1-1, one end of the 4th K switch 2-2 respectively, the other end N of polarity output terminal is connected with the other end of the 3rd K switch 2-1, one end of second switch K1-2 respectively, and the other end of the other end of the 4th K switch 2-2, second switch K1-2 is connected with the other end 2 of ac input end respectively;
One end M of polarity output terminal is also connected with the 13 negative pole of voltage stabilizing didoe D13, the emitter of the positive pole of the 11 diode D11, the 5th triode Q5 respectively, the negative pole of the 11 diode D11 is connected with one end of the 7th resistance R 7, the other end of the 7th resistance R 7 respectively with the positive pole of the tenth voltage stabilizing didoe D10, the base stage of the 4th triode Q4 connects, the negative pole of the 11 diode D11 is connected with the positive pole of the light-emitting diode of the 5th optocoupler controllable silicon IC5, the negative pole of the light-emitting diode of the 5th optocoupler controllable silicon IC5 is connected with the collector electrode of the 4th triode Q4, the collector electrode of the 5th triode Q5 is connected with the negative pole of the light-emitting diode of the 6th optocoupler controllable silicon IC6, the positive pole of the light-emitting diode of the 6th optocoupler controllable silicon IC6 is connected with the negative pole of the 12 diode D12, the base stage of the 5th triode Q5 respectively with one end of the tenth resistance R 10, the positive pole of the 13 voltage stabilizing didoe D13 connects, the other end of the tenth resistance R 10 is connected with the negative pole of the 12 diode D12, the emitter of the 4th triode Q4, the negative pole of the tenth voltage stabilizing didoe D10, the positive pole of the 12 diode D12 meets respectively the other end N of polarity output terminal.
In addition, can also comprise the 9th resistance R 9 being connected between one end M of polarity output terminal and the emitter of the 5th triode Q5, and be connected to the 8th resistance R 8 between the other end N of polarity output terminal and the emitter of the 4th triode Q4.
At polarity output terminal M, receive the positive pole of storage battery, when polarity output terminal N receives the negative pole of storage battery, the 5th optocoupler controllable silicon IC5 work, it is closed that the first relay J 1 is controlled the first K switch 1-1, second switch K1-2, now controllable silicon charger output cathode end is connected with polarity output terminal M, the zero line of ac input end is connected with polarity output terminal N, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent; In like manner at polarity output terminal N, receive the positive pole of storage battery, when polarity output terminal M receives the negative pole of storage battery, the 6th optocoupler controllable silicon IC6 work, the second relay J 2 is controlled the 3rd K switch 2-1, the 4th K switch 2-2 is closed, now controllable silicon charger output cathode end is connected with polarity output terminal N, the zero line of ac input end is connected with polarity output terminal M, has guaranteed that the polarity of polarity output terminal and the polarity of storage battery are consistent.
Embodiment tetra-
As Fig. 5, the polarity identification change-over circuit of the charger in this embodiment, comprises controllable silicon charging conversion circuit and identification circuit;
Identification circuit comprises: first, second, third, fourth diode D1, D2, D3, D4, the 5th voltage stabilizing didoe D5, the second resistance R 2, first, second optocoupler controllable silicon IC1, IC2, the first triode Q1;
Controllable silicon charging conversion circuit comprises: the 11 resistance R 11, bidirectional triode thyristor T1, the 14, the 15 diode D14, D15; Now bidirectional triode thyristor T1 plays conversion, one-way commutation charging effect;
One end 1 of ac input end is connected with one end of the 11 resistance R 11, the second plate of bidirectional triode thyristor T1 respectively, and the other end of the 11 resistance R 11 is connected with the 14 negative pole of diode D14, the positive pole of the 15 diode D15 respectively; The negative pole of the 15 diode D15 is connected by the first control switch of optocoupler controllable silicon IC1 and the control utmost point of bidirectional triode thyristor T1, the positive pole of the 14 diode D14 is connected by the second control switch of optocoupler controllable silicon IC2 and the control utmost point of bidirectional triode thyristor T1, and the first anode of bidirectional triode thyristor T1 meets one end M of polarity output terminal;
One end M of polarity output terminal also respectively with the positive pole of the first diode D1, the negative pole of the 4th diode D4 connects, the negative pole of the first diode D1 is connected with the positive pole of the light-emitting diode of the first optocoupler controllable silicon IC1, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is connected with the negative pole of the light-emitting diode of the second optocoupler controllable silicon IC2, the positive pole of the light-emitting diode of the second optocoupler controllable silicon IC2 is connected with the negative pole of the second diode D2, the positive pole of the second diode D2 respectively with the negative pole of the 3rd diode D3, the other end N of polarity output terminal connects, the positive pole of the 3rd diode D3 respectively with the positive pole of the 4th diode D4, the negative pole of the 5th voltage stabilizing didoe D5, the emitter of the first triode Q1 connects, the negative pole of the light-emitting diode of the first optocoupler controllable silicon IC1 is also connected with the collector electrode of the first triode Q1, one end of the second resistance R 2 respectively, and the other end of the second resistance R 2 is connected with the base stage of the first triode Q1, the positive pole of the 5th voltage stabilizing didoe D5 respectively.
In addition, can also comprise the first resistance R 1 between the negative pole of the light-emitting diode that is connected to the first optocoupler controllable silicon IC1 and the collector electrode of the first triode Q1, and be connected to the 3rd resistance R 3 between the emitter of the first triode Q1 and the positive pole of the 3rd diode D3.
It should be noted that, the identification circuit in this embodiment also can replace with the identification circuit in embodiment bis-or embodiment tri-; The first optocoupler controllable silicon IC1, the second optocoupler controllable silicon IC2, the 3rd optocoupler controllable silicon IC3, the 4th optocoupler controllable silicon IC4, the 5th optocoupler controllable silicon IC5, the 6th optocoupler controllable silicon IC6 can replace with light coupling relay or electromagnetic relay.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any modification of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in claim protection range of the present invention.
Claims (8)
1. a charger polarity identification change-over circuit, is characterized in that, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay (J1), the second relay (J2), the first switch (K1-1), the 3rd switch (K2-1), the 4th switch (K2-2), second switch (K1-2); The first relay (J1) is controlled the break-make of the first switch (K1-1) and second switch (K1-2), and the second relay (J2) is controlled the break-make of the 3rd switch (K2-1) and the 4th switch (K2-2);
Identification circuit comprises: first, second, third, fourth diode (D1, D2, D3, D4), the 5th voltage stabilizing didoe (D5), the second resistance (R2), first, second optocoupler controllable silicon (IC1, IC2), the first triode (Q1);
One end of ac input end (1) is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay (J1) coil, the second relay (J2) coil respectively, the control switch of the first optocoupler controllable silicon (IC1) is connected between the other end of the first relay (J1) coil and the other end (2) of ac input end, and the control switch of the second optocoupler controllable silicon (IC2) is connected between the other end of the second relay (J2) coil and the other end (2) of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first switch (K1-1), one end of the 3rd switch (K2-1) respectively, one end of polarity output terminal (M) is connected with the other end of the first switch (K1-1), one end of the 4th switch (K2-2) respectively, the other end of polarity output terminal (N) is connected with the other end of the 3rd switch (K2-1), one end of second switch (K1-2) respectively, and the other end of the other end of the 4th switch (K2-2), second switch (K1-2) is connected with the other end (2) of ac input end respectively;
One end of polarity output terminal (M) also respectively with the positive pole of the first diode (D1), the negative pole of the 4th diode (D4) connects, the negative pole of the first diode (D1) is connected with the positive pole of the light-emitting diode of the first optocoupler controllable silicon (IC1), the negative pole of the light-emitting diode of the first optocoupler controllable silicon (IC1) is connected with the negative pole of the light-emitting diode of the second optocoupler controllable silicon (IC2), the positive pole of the light-emitting diode of the second optocoupler controllable silicon (IC2) is connected with the negative pole of the second diode (D2), the positive pole of the second diode (D2) respectively with the negative pole of the 3rd diode (D3), the other end of polarity output terminal (N) connects, the positive pole of the 3rd diode (D3) respectively with the positive pole of the 4th diode (D4), the negative pole of the 5th voltage stabilizing didoe (D5), the emitter of the first triode (Q1) connects, the negative pole of the light-emitting diode of the first optocoupler controllable silicon (IC1) is also connected with the collector electrode of the first triode (Q1), one end of the second resistance (R2) respectively, and the other end of the second resistance (R2) is connected with the base stage of the first triode (Q1), the positive pole of the 5th voltage stabilizing didoe (D5) respectively.
2. charger according to claim 1 polarity identification change-over circuit, it is characterized in that: also comprise the first resistance (R1) between the negative pole of the light-emitting diode that is connected to the first optocoupler controllable silicon (IC1) and the collector electrode of the first triode (Q1), and be connected to the 3rd resistance (R3) between the emitter of the first triode (Q1) and the positive pole of the 3rd diode (D3).
3. a charger polarity identification change-over circuit, is characterized in that, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay (J1), the second relay (J2), the first switch (K1-1), the 3rd switch (K2-1), the 4th switch (K2-2), second switch (K1-2); The first relay (J1) is controlled the break-make of the first switch (K1-1) and second switch (K1-2), and the second relay (J2) is controlled the break-make of the 3rd switch (K2-1) and the 4th switch (K2-2);
Identification circuit comprises: eight, the 9th diode (D8, D9), the 6th, the 7th voltage stabilizing didoe (D6, D7), the 5th resistance (R5), the 3rd, the 4th optocoupler controllable silicon (IC3, IC4), the second triode (Q2), the 3rd triode (Q3);
One end of ac input end (1) is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay (J1) coil, the second relay (J2) coil respectively, the control switch of the 3rd optocoupler controllable silicon (IC3) is connected between the other end of the first relay (J1) coil and the other end (2) of ac input end, and the control switch of the 4th optocoupler controllable silicon (IC4) is connected between the other end of the second relay (J2) coil and the other end (2) of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first switch (K1-1), one end of the 3rd switch (K2-1) respectively, one end of polarity output terminal (M) is connected with the other end of the first switch (K1-1), one end of the 4th switch (K2-2) respectively, the other end of polarity output terminal (N) is connected with the other end of the 3rd switch (K2-1), one end of second switch (K1-2) respectively, and the other end of the other end of the 4th switch (K2-2), second switch (K1-2) is connected with the other end (2) of ac input end respectively;
One end of polarity output terminal (M) also respectively with the emitter of the 3rd triode (Q3), the negative pole of the 6th voltage stabilizing didoe (D6) connects, the positive pole of the 6th voltage stabilizing didoe (D6) respectively with the base stage of the 3rd triode (Q3), one end of the 5th resistance (R5), the positive pole of the 8th diode (D8) connects, the collector electrode of the 3rd triode (Q3) is connected with the negative pole of the light-emitting diode of the 4th optocoupler controllable silicon (IC4), the positive pole of the light-emitting diode of the 4th optocoupler controllable silicon (IC4) is connected with the negative pole of the 9th diode (D9), the positive pole of the 9th diode (D9) respectively with the positive pole of the 7th voltage stabilizing didoe (D7), the other end of the 5th resistance (R5), the base stage of the second triode (Q2) connects, the negative pole of the 7th voltage stabilizing didoe (D7), the emitter of the second triode (Q2) connects respectively the other end (N) of polarity output terminal, the collector electrode of the second triode (Q2) is connected with the negative pole of the light-emitting diode of the 3rd optocoupler controllable silicon (IC3), and the positive pole of the light-emitting diode of the 3rd optocoupler controllable silicon (IC3) is connected with the negative pole of the 8th diode (D8).
4. charger according to claim 3 polarity identification change-over circuit, it is characterized in that: also comprise the 4th resistance (R4) being connected between one end (M) of polarity output terminal and the emitter of the 3rd triode (Q3), and be connected to the 6th resistance (R6) between the other end (N) of polarity output terminal and the emitter of the second triode (Q2).
5. a charger polarity identification change-over circuit, is characterized in that, comprising: relay conversion circuit and identification circuit;
Wherein, relay conversion circuit comprises: the first relay (J1), the second relay (J2), the first switch (K1-1), the 3rd switch (K2-1), the 4th switch (K2-2), second switch (K1-2); The first relay (J1) is controlled the break-make of the first switch (K1-1) and second switch (K1-2), and the second relay (J2) is controlled the break-make of the 3rd switch (K2-1) and the 4th switch (K2-2);
Identification circuit comprises: the 11, the 12 diode (D11, D12), the tenth, the 13 voltage stabilizing didoe (D10, D13), the 7th, the tenth resistance (R7, R10), the 5th, the 6th optocoupler controllable silicon (IC5, IC6), the 4th triode (Q4), the 5th triode (Q5);
One end of ac input end (1) is connected with the input of silicon controlled rectifier charging circuit, one end of one end of the first relay (J1) coil, the second relay (J2) coil respectively, the control switch of the 5th optocoupler controllable silicon (IC5) is connected between the other end of the first relay (J1) coil and the other end (2) of ac input end, and the control switch of the 6th optocoupler controllable silicon (IC6) is connected between the other end of the second relay (J2) coil and the other end (2) of ac input end; The output of silicon controlled rectifier charging circuit is connected with one end of the first switch (K1-1), one end of the 3rd switch (K2-1) respectively, one end of polarity output terminal (M) is connected with the other end of the first switch (K1-1), one end of the 4th switch (K2-2) respectively, the other end of polarity output terminal (N) is connected with the other end of the 3rd switch (K2-1), one end of second switch (K1-2) respectively, and the other end of the other end of the 4th switch (K2-2), second switch (K1-2) is connected with the other end (2) of ac input end respectively;
One end of polarity output terminal (M) is also connected with the 13 negative pole of voltage stabilizing didoe (D13), the emitter of the positive pole of the 11 diode (D11), the 5th triode (Q5) respectively, the negative pole of the 11 diode (D11) is connected with one end of the 7th resistance (R7), the other end of the 7th resistance (R7) respectively with the positive pole of the tenth voltage stabilizing didoe (D10), the base stage of the 4th triode (Q4) connects, the negative pole of the 11 diode (D11) is connected with the positive pole of the light-emitting diode of the 5th optocoupler controllable silicon (IC5), the negative pole of the light-emitting diode of the 5th optocoupler controllable silicon (IC5) is connected with the collector electrode of the 4th triode (Q4), the collector electrode of the 5th triode (Q5) is connected with the negative pole of the light-emitting diode of the 6th optocoupler controllable silicon (IC6), the positive pole of the light-emitting diode of the 6th optocoupler controllable silicon (IC6) is connected with the negative pole of the 12 diode (D12), the base stage of the 5th triode (Q5) respectively with one end of the tenth resistance (R10), the positive pole of the 13 voltage stabilizing didoe (D13) connects, the other end of the tenth resistance (R10) is connected with the negative pole of the 12 diode (D12), the emitter of the 4th triode (Q4), the negative pole of the tenth voltage stabilizing didoe (D10), the positive pole of the 12 diode (D12) connects respectively the other end (N) of polarity output terminal.
6. charger according to claim 5 polarity identification change-over circuit, it is characterized in that: also comprise the 9th resistance (R9) being connected between one end (M) of polarity output terminal and the emitter of the 5th triode (Q5), and be connected to the 8th resistance (R8) between the other end (N) of polarity output terminal and the emitter of the 4th triode (Q4).
7. a charger polarity identification change-over circuit, is characterized in that: comprise controllable silicon charging conversion circuit and identification circuit;
Identification circuit comprises: first, second, third, fourth diode (D1, D2, D3, D4), the 5th voltage stabilizing didoe (D5), the second resistance (R2), first, second optocoupler controllable silicon (IC1, IC2), the first triode (Q1);
Controllable silicon charging conversion circuit comprises: the 11 resistance (R11), bidirectional triode thyristor (T1), the 14, the 15 diode (D14, D15);
One end of ac input end (1) is connected with one end of the 11 resistance (R11), the second plate of bidirectional triode thyristor (T1) respectively, and the other end of the 11 resistance (R11) is connected with the 14 negative pole of diode (D14), the positive pole of the 15 diode (D15) respectively; The negative pole of the 15 diode (D15) is connected with the control utmost point of bidirectional triode thyristor (T1) by the control switch of the first optocoupler controllable silicon (IC1), the positive pole of the 14 diode (D14) is connected with the control utmost point of bidirectional triode thyristor (T1) by the control switch of the second optocoupler controllable silicon (IC2), and the first anode of bidirectional triode thyristor (T1) connects one end (M) of polarity output terminal;
One end of polarity output terminal (M) also respectively with the positive pole of the first diode (D1), the negative pole of the 4th diode (D4) connects, the negative pole of the first diode (D1) is connected with the positive pole of the light-emitting diode of the first optocoupler controllable silicon (IC1), the negative pole of the light-emitting diode of the first optocoupler controllable silicon (IC1) is connected with the negative pole of the light-emitting diode of the second optocoupler controllable silicon (IC2), the positive pole of the light-emitting diode of the second optocoupler controllable silicon (IC2) is connected with the negative pole of the second diode (D2), the positive pole of the second diode (D2) respectively with the negative pole of the 3rd diode (D3), the other end of polarity output terminal (N) connects, the positive pole of the 3rd diode (D3) respectively with the positive pole of the 4th diode (D4), the negative pole of the 5th voltage stabilizing didoe (D5), the emitter of the first triode (Q1) connects, the negative pole of the light-emitting diode of the first optocoupler controllable silicon (IC1) is also connected with the collector electrode of the first triode (Q1), one end of the second resistance (R2) respectively, and the other end of the second resistance (R2) is connected with the base stage of the first triode (Q1), the positive pole of the 5th voltage stabilizing didoe (D5) respectively.
8. charger according to claim 7 polarity identification change-over circuit, it is characterized in that: also comprise the first resistance (R1) between the negative pole of the light-emitting diode that is connected to the first optocoupler controllable silicon (IC1) and the collector electrode of the first triode (Q1), and be connected to the 3rd resistance (R3) between the emitter of the first triode (Q1) and the positive pole of the 3rd diode (D3).
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| CN201210321569.9A CN103595110B (en) | 2012-08-15 | 2012-08-15 | A kind of charger polarity identification change-over circuit |
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| CN201210321569.9A CN103595110B (en) | 2012-08-15 | 2012-08-15 | A kind of charger polarity identification change-over circuit |
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Cited By (1)
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| CN111541286A (en) * | 2020-04-28 | 2020-08-14 | 广州智光电气技术有限公司 | Polarity switching circuit and device of battery energy storage system and battery energy storage system |
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| US20040056635A1 (en) * | 2002-09-20 | 2004-03-25 | Chang Chang I. | Non-polar charger |
| JP2007082374A (en) * | 2005-09-16 | 2007-03-29 | Denso Corp | Protection circuit on reverse connection of power supply |
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