CN104868541A - Alternative parallel type full-adaptive charging circuit - Google Patents
Alternative parallel type full-adaptive charging circuit Download PDFInfo
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- CN104868541A CN104868541A CN201510251522.3A CN201510251522A CN104868541A CN 104868541 A CN104868541 A CN 104868541A CN 201510251522 A CN201510251522 A CN 201510251522A CN 104868541 A CN104868541 A CN 104868541A
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Abstract
The invention discloses an alternative parallel type full-adaptive charging circuit. The circuit comprises a first switching element Q1, a second switching element Q2, a third switching element Q3, a fourth switching element Q4, a fifth switching element Q5, a sixth switching element Q6, a seventh switching element Q7, an eighth switching element Q8, a first inductor L1, a second inductor L2, a first resistor R1, a second resistor R2, a current sensor SN, a charging battery voltage detection terminal U, a first alternative PWM wave input terminal A, a second alternative PWM wave input terminal B, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a fifth diode D5, a sixth diode D6, and a charging battery. The circuit is simple in structure, the width of the PWM waves can be adjusted to achieve full-adaptive voltage reduction, and the loss of electric energy is reduced.
Description
Technical field
The present invention relates to charging circuit field, particularly relate 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 invention provides a kind of not only circuit simply but also the alternately parallel full adaptation charging circuit of energy consumption can be reduced.
The present invention is achieved through the following technical solutions: 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 present invention compared to existing technology, has following beneficial effect:
1. circuit structure of the present invention is simple;
2. circuit of the present invention 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 present invention replaces the circuit theory diagrams of parallel full adaptation charging circuit.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
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 in the present invention:
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.
Same should the first ac power input end be N, when second ac power input end is L, when L is the positive half cycle of alternating current, the 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; 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510251522.3A CN104868541A (en) | 2015-05-18 | 2015-05-18 | Alternative parallel type full-adaptive charging circuit |
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| CN201510251522.3A CN104868541A (en) | 2015-05-18 | 2015-05-18 | Alternative parallel type full-adaptive charging circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110429695A (en) * | 2019-09-05 | 2019-11-08 | 浙江源创普贝特尔曼科技有限公司 | A kind of dynamic mutual assistance switch type fills generating equipment and its operation method |
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| US8089353B2 (en) * | 2006-08-05 | 2012-01-03 | Min Ming Tarng | 4Less—Xtaless, capless, indless, dioless TSOC design of SOC or 4Free—Xtalfree, capfree, indfree, diofree TSOC design of SOC |
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| CN103281004A (en) * | 2013-06-05 | 2013-09-04 | 中山市昊源电器设备有限公司 | Novel high-power high-voltage pulse power supply circuit |
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| CN110429695A (en) * | 2019-09-05 | 2019-11-08 | 浙江源创普贝特尔曼科技有限公司 | A kind of dynamic mutual assistance switch type fills generating equipment and its operation method |
| CN110429695B (en) * | 2019-09-05 | 2024-06-07 | 浙江源创普贝特尔曼科技有限公司 | Dynamic mutual-aid exchange type charging and power generating equipment and operation method thereof |
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Effective date of abandoning: 20190301 |