CN204696729U - A kind of alternately parallel full adaptation charging circuit - Google Patents
A kind of alternately parallel full adaptation charging circuit Download PDFInfo
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- CN204696729U CN204696729U CN201520317814.8U CN201520317814U CN204696729U CN 204696729 U CN204696729 U CN 204696729U CN 201520317814 U CN201520317814 U CN 201520317814U CN 204696729 U CN204696729 U CN 204696729U
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Abstract
The utility model discloses a kind of alternately parallel full adaptation charging circuit, comprise the first switching device Q1, second switch device Q2, the 3rd switching device Q3, the 4th switching device Q4, the 5th switching device Q5, the 6th switching device Q6, the 7th switching device Q7, the 8th switching device Q8; First inductance L 1, second inductance L 2; First resistance R1, the second resistance R2; Current sensor SN; Charged battery voltage test side U; First alternative P WM ripple input A, the second alternative P WM ripple input B; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4; First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6; Rechargeable battery.This circuit structure is simple, and the width of adjustable alternative P WM ripple adapts to step-down entirely, decreases the loss of electric energy.
Description
Technical field
The utility model relates to charging circuit field, particularly relates to a kind of alternately parallel full adaptation charging circuit.
Background technology
On present charging technique market, the mode of charging is very many, is classified into two kinds: one is transformer pressure-reducing charging, and another kind is switch power technology.These two kinds of technology have corresponding drawback, all transformer pressure-reducing will be passed through, rectifier bridge rectification, then charging is realized by a series of control technology, such charging circuit, generally can only make the charger (as: output voltage is 48V, and output current is 2.5A) of a power by the restriction determining power, flexibility is very poor.
Summary of the invention
In order to overcome the defect that above-mentioned prior art exists, the utility model provides a kind of not only circuit simply but also can reduce the alternately parallel full adaptation charging circuit of energy consumption.
The utility model is achieved by the following technical solution: a kind of alternately parallel full adaptation charging circuit, comprises the first switching device Q1, second switch device Q2, the 3rd switching device Q3, the 4th switching device Q4, the 5th switching device Q5, the 6th switching device Q6, the 7th switching device Q7, the 8th switching device Q8; First inductance L 1, second inductance L 2; First resistance R1, the second resistance R2; Current sensor SN; Charged battery voltage test side U; First alternative P WM ripple input A, the second alternative P WM ripple input B; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4; First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6; Rechargeable battery positive pole BTT+, negative electrode of chargeable battery BTT-;
The first described switching device Q1 end of incoming cables is connected with the negative electrode of the first ac input end with the 4th diode D4 simultaneously, its leading-out terminal is connected with the negative electrode of the second diode D2 with the first terminals of the first inductance L 1 simultaneously, and its control end is connected with the first alternative P WM control input end A;
The positive pole of the first described electric capacity C1 is connected with the anode of the 3rd diode D3 with the second terminals of the first inductance L 1, the 3rd switching device Q3 first terminals respectively;
The positive pole of the second described electric capacity C2 is connected with first terminals of the 4th switching device Q4 with the negative electrode of the 3rd diode D3 simultaneously;
First terminals of described current sensor SN are connected with second terminals of the 8th switching device Q8 with second terminals of the 3rd switching device Q3, second terminals of the 4th switching device Q4, second terminals of the 7th switching device Q7 respectively; Second terminals of current sensor SN are connected with first terminals of the first resistance R1, are connected with the positive pole BTT+ of rechargeable battery simultaneously;
First terminals of the second described resistance R2 are connected with second terminals of the first resistance R1, are connected, for detecting charged battery voltage with voltage detecting end U simultaneously;
The negative electrode of the first described diode D1 is connected with the second ac input end simultaneously and is connected with the end of incoming cables of second switch device Q2;
First terminals of the 5th described switching device Q5 are connected with the anode of the first diode D1, the anode of the second diode D2, the negative pole of the first electric capacity C1, the negative pole of the second electric capacity C2 respectively;
Described second switch device Q2 leading-out terminal is connected with the second inductance L 2 first terminals simultaneously and is connected with the negative electrode of the 5th diode D5, and control end is connected with the input of the second alternative P WM ripple;
The positive pole of the 3rd described electric capacity C3 is connected with the anode of the 6th diode D6 with the second terminals of the second inductance L 2, the 8th switching device Q8 first terminals respectively;
The positive pole of the 4th described electric capacity C4 is connected with the 7th switching device Q7 first terminals with the 6th diode D6 negative electrode simultaneously;
First terminals of the 6th described switching device Q6 are connected with the negative pole of the 4th electric capacity C4 with the anode of the 4th diode D4, the anode of the 5th diode D5, the negative pole of the 3rd electric capacity C3 respectively, and its second terminals are connected with second terminals of the 5th switching device Q5, the second resistance R2 second terminals, negative electrode of chargeable battery BTT-respectively.
Further, described switching device Q1-Q8 is any or its combination of triode switch or MOS pipe switch or reverse-blocking tetrode thyristor or IGBT pipe switch.
Further, the first described switching device Q1, second switch device Q2 are diode or rectifier bridge.
Further, also can to connect multiple electric capacity between the first electric capacity C1 of described series connection and the second electric capacity C2, between the 3rd electric capacity C3 of series connection and the 4th electric capacity C4.
Further, any one electric capacity also multiple electric capacity in parallel in the first described electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4.Often organize series capacitance can discharge together, also can distinguish programmable discharge; The number of times of electric discharge determines the frequency of charging technique.
A kind of alternately parallel full adaptation charging circuit, working method is as follows:
Setting the first ac power input end is L, when the second ac power input end is N; When L is the positive half cycle of alternating current, second alternative P WM control input end B stops, switching device Q2 closes, first alternative P WM control input end A works, and switching device Q1 is open-minded, and Q3, Q4, Q5 close, Q6 is open-minded, open successively average time Q8, Q7 electric discharge hold C3, C4, in electric energy, regulate the pulsewidth of alternative P WM ripple and PFC to regulate according to current sensor, electric capacity C1, C2 charged and step-down;
When L is alternating current negative half period, first alternative P WM control input end A stops, switching device Q1 closes, second alternative P WM control input end B works, and switching device Q2 is open-minded, and Q6, Q7, Q8 close, Q5 is open-minded, open the electric energy in Q3, Q4 electric discharge appearance C1, C2 average time successively, regulate the pulsewidth of alternative P WM ripple and PFC to regulate according to current sensor, electric capacity C3, C4, C6 charging also step-down.
The utility model compared to existing technology, has following beneficial effect:
1. the utility model circuit structure is simple;
2. the utility model circuit regulates the width of alternative P WM ripple entirely to adapt to step-down according to current sensor, and intermediate link is few, decreases the loss of electric energy;
3. output waveform is low frequency, and have anti-polarization for secondary rechargeable battery, have repair function, frequency is low, adds the diffusion time of ion, is not easy polarization.
Accompanying drawing explanation
Fig. 1 the utility model replaces the circuit theory diagrams of parallel full adaptation charging circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, a kind of alternately parallel full adaptation charging circuit, comprises the first switching device Q1, second switch device Q2, the 3rd switching device Q3, the 4th switching device Q4, the 5th switching device Q5, the 6th switching device Q6, the 7th switching device Q7, the 8th switching device Q8; First inductance L 1, second inductance L 2; First resistance R1, the second resistance R2; Current sensor SN; Charged battery voltage test side U; First alternative P WM ripple input A, the second alternative P WM ripple input B; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4; First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6; Rechargeable battery positive pole BTT+, negative electrode of chargeable battery BTT-;
The first described switching device Q1 end of incoming cables is connected with the negative electrode of the first ac input end with the 4th diode D4 simultaneously, its leading-out terminal is connected with the negative electrode of the second diode D2 with the first terminals of the first inductance L 1 simultaneously, and its control end is connected with the first alternative P WM control input end A;
The positive pole of the first described electric capacity C1 is connected with the anode of the 3rd diode D3 with the second terminals of the first inductance L 1, the 3rd switching device Q3 first terminals respectively;
The positive pole of the second described electric capacity C2 is connected with first terminals of the 4th switching device Q4 with the negative electrode of the 3rd diode D3 simultaneously;
First terminals of described current sensor SN are connected with second terminals of the 8th switching device Q8 with second terminals of the 3rd switching device Q3, second terminals of the 4th switching device Q4, second terminals of the 7th switching device Q7 respectively; Second terminals of current sensor SN are connected with first terminals of the first resistance R1, are connected with the positive pole BTT+ of rechargeable battery simultaneously;
First terminals of the second described resistance R2 are connected with second terminals of the first resistance R1, are connected, for detecting charged battery voltage with voltage detecting end U simultaneously;
The negative electrode of the first described diode D1 is connected with the second ac input end simultaneously and is connected with the end of incoming cables of second switch device Q2;
First terminals of the 5th described switching device Q5 are connected with the anode of the first diode D1, the anode of the second diode D2, the negative pole of the first electric capacity C1, the negative pole of the second electric capacity C2 respectively;
Described second switch device Q2 leading-out terminal is connected with the second inductance L 2 first terminals simultaneously and is connected with the negative electrode of the 5th diode D5, and control end is connected with the input of the second alternative P WM ripple;
The positive pole of the 3rd described electric capacity C3 is connected with the anode of the 6th diode D6 with the second terminals of the second inductance L 2, the 8th switching device Q8 first terminals respectively;
The positive pole of the 4th described electric capacity C4 is connected with the 7th switching device Q7 first terminals with the 6th diode D6 negative electrode simultaneously;
First terminals of the 6th described switching device Q6 are connected with the negative pole of the 4th electric capacity C4 with the anode of the 4th diode D4, the anode of the 5th diode D5, the negative pole of the 3rd electric capacity C3 respectively, and its second terminals are connected with second terminals of the 5th switching device Q5, the second resistance R2 second terminals, negative electrode of chargeable battery BTT-respectively.
Further, described switching device Q1-Q8 is any or its combination of triode switch or MOS pipe switch or reverse-blocking tetrode thyristor or IGBT pipe switch.
Further, the first described switching device Q1, second switch device Q2 are diode or rectifier bridge.
Further, also can to connect multiple electric capacity between the first electric capacity C1 of described series connection and the second electric capacity C2, between the 3rd electric capacity C3 of series connection and the 4th electric capacity C4.
Further, any one electric capacity also multiple electric capacity in parallel in the first described electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4.Often organize series capacitance can discharge together, also can distinguish programmable discharge; The number of times of electric discharge determines the frequency of charging technique.
Alternately parallel full adaptation charging circuit workflow is as follows for the utility model:
When the first ac power input end is L, when second ac power input end is N, when L is the positive half cycle of alternating current, the second alternative P WM control input end B stops, second switch device Q2 closes, first alternative P WM control input end A works, and the first switching device Q1 is open-minded, and Q3, Q4, Q5 close, Q6 is open-minded, open the electric energy that Q8, Q7 discharge in appearance C3, C4 successively, regulate the pulsewidth of alternative P WM ripple and PFC to regulate according to current sensor SN, make electric capacity C1, C2 charging also step-down; When L is alternating current negative half period, first alternative P WM control input end A stops, switching device Q1 closes, second alternative P WM control input end B works, and switching device Q2 is open-minded, and Q6, Q7, Q8 close, Q5 is open-minded, open the electric energy in Q3, Q4 electric discharge appearance C1, C2 successively, regulate the pulsewidth of alternative P WM ripple and PFC to regulate according to current sensor SN, electric capacity C3, C4, C6 charging also step-down.
In like manner, when the first ac power input end is N, when the second ac power input end is L, when L is the positive half cycle of alternating current, first alternative P WM control input end A stops, and switching device Q1 closes, and the second alternative P WM control input end B works, switching device Q2 is open-minded, Q6, Q7, Q8 close, and Q5 is open-minded, open the electric energy in Q3, Q4 electric discharge appearance C1, C2 average time successively, the pulsewidth of alternative P WM ripple and PFC is regulated to regulate according to current sensor, electric capacity C3, C4, C6 charging also step-down; When L is alternating current negative half period, second alternative P WM control input end B stops, switching device Q2 closes, first alternative P WM control input end A works, and switching device Q1 is open-minded, and Q3, Q4, Q5 close, Q6 is open-minded, open successively average time Q8, Q7 electric discharge hold C3, C4, in electric energy, regulate the pulsewidth of alternative P WM ripple and PFC to regulate according to current sensor, electric capacity C1, C2 charged and step-down.
Claims (5)
1. replace a parallel full adaptation charging circuit, it is characterized in that: comprise the first switching device Q1, second switch device Q2, the 3rd switching device Q3, the 4th switching device Q4, the 5th switching device Q5, the 6th switching device Q6, the 7th switching device Q7, the 8th switching device Q8; First inductance L 1, second inductance L 2; First resistance R1, the second resistance R2; Current sensor SN; Charged battery voltage test side U; First alternative P WM ripple input A, the second alternative P WM ripple input B; First electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4; First diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6; Rechargeable battery positive pole BTT+, negative electrode of chargeable battery BTT-;
The first described switching device Q1 end of incoming cables is connected with the negative electrode of the first ac input end with the 4th diode D4 simultaneously, its leading-out terminal is connected with the negative electrode of the second diode D2 with the first terminals of the first inductance L 1 simultaneously, and its control end is connected with the first alternative P WM control input end A;
The positive pole of the first described electric capacity C1 is connected with the anode of the 3rd diode D3 with the second terminals of the first inductance L 1, the 3rd switching device Q3 first terminals respectively;
The positive pole of the second described electric capacity C2 is connected with first terminals of the 4th switching device Q4 with the negative electrode of the 3rd diode D3 simultaneously;
First terminals of described current sensor SN are connected with second terminals of the 8th switching device Q8 with second terminals of the 3rd switching device Q3, second terminals of the 4th switching device Q4, second terminals of the 7th switching device Q7 respectively; Second terminals of current sensor SN are connected with first terminals of the first resistance R1, are connected with the positive pole BTT+ of rechargeable battery simultaneously;
First terminals of the second described resistance R2 are connected with second terminals of the first resistance R1, are connected, for detecting charged battery voltage with voltage detecting end U simultaneously;
The negative electrode of the first described diode D1 is connected with the second ac input end simultaneously and is connected with the end of incoming cables of second switch device Q2;
First terminals of the 5th described switching device Q5 are connected with the anode of the first diode D1, the anode of the second diode D2, the negative pole of the first electric capacity C1, the negative pole of the second electric capacity C2 respectively;
Described second switch device Q2 leading-out terminal is connected with the second inductance L 2 first terminals simultaneously and is connected with the negative electrode of the 5th diode D5, and control end is connected with the input of the second alternative P WM ripple;
The positive pole of the 3rd described electric capacity C3 is connected with the anode of the 6th diode D6 with the second terminals of the second inductance L 2, the 8th switching device Q8 first terminals respectively;
The positive pole of the 4th described electric capacity C4 is connected with the 7th switching device Q7 first terminals with the 6th diode D6 negative electrode simultaneously;
First terminals of the 6th described switching device Q6 are connected with the negative pole of the 4th electric capacity C4 with the anode of the 4th diode D4, the anode of the 5th diode D5, the negative pole of the 3rd electric capacity C3 respectively, and its second terminals are connected with second terminals of the 5th switching device Q5, the second resistance R2 second terminals, negative electrode of chargeable battery BTT-respectively.
2. according to the alternately parallel full adaptation charging circuit described in claim 1, it is characterized in that: described switching device Q1-Q8 is any or its combination of triode switch or MOS pipe switch or reverse-blocking tetrode thyristor or IGBT pipe switch.
3. the alternately parallel full adaptation charging circuit according to claim 1 or 2, is characterized in that: the first described switching device Q1, second switch device Q2 are diode or rectifier bridge.
4. the alternately parallel full adaptation charging circuit according to claim 1 or 2, is characterized in that: multiple electric capacity of also can connecting between the first electric capacity C1 of described series connection and the second electric capacity C2, between the 3rd electric capacity C3 of series connection and the 4th electric capacity C4.
5. the alternately parallel full adaptation charging circuit according to claim 1 or 2, is characterized in that: any one electric capacity also multiple electric capacity in parallel in the first described electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317814.8U CN204696729U (en) | 2015-05-18 | 2015-05-18 | A kind of alternately parallel full adaptation charging circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520317814.8U CN204696729U (en) | 2015-05-18 | 2015-05-18 | A kind of alternately parallel full adaptation charging circuit |
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| CN204696729U true CN204696729U (en) | 2015-10-07 |
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| CN201520317814.8U Expired - Fee Related CN204696729U (en) | 2015-05-18 | 2015-05-18 | A kind of alternately parallel full adaptation charging circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868541A (en) * | 2015-05-18 | 2015-08-26 | 常州市特迅电子科技有限公司 | Alternative parallel type full-adaptive charging circuit |
| CN109412247A (en) * | 2018-12-06 | 2019-03-01 | 嘉兴市建筑工业学校 | A kind of shunt capacitance type decompression charger |
-
2015
- 2015-05-18 CN CN201520317814.8U patent/CN204696729U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868541A (en) * | 2015-05-18 | 2015-08-26 | 常州市特迅电子科技有限公司 | Alternative parallel type full-adaptive charging circuit |
| CN109412247A (en) * | 2018-12-06 | 2019-03-01 | 嘉兴市建筑工业学校 | A kind of shunt capacitance type decompression charger |
| CN109412247B (en) * | 2018-12-06 | 2023-09-05 | 嘉兴市建筑工业学校 | Parallel capacitor type step-down charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |