CN109787476A - Auto-excitation type is without bridge rectifier - Google Patents

Auto-excitation type is without bridge rectifier Download PDF

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CN109787476A
CN109787476A CN201910237094.7A CN201910237094A CN109787476A CN 109787476 A CN109787476 A CN 109787476A CN 201910237094 A CN201910237094 A CN 201910237094A CN 109787476 A CN109787476 A CN 109787476A
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inductance
port
auto
converter
afterflow
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CN109787476B (en
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陈怡�
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority claimed from CN201810281111.2A external-priority patent/CN108336916A/en
Priority claimed from CN201810281113.1A external-priority patent/CN108494251A/en
Priority claimed from CN201810280951.7A external-priority patent/CN108347186A/en
Priority claimed from CN201810280977.1A external-priority patent/CN108418446A/en
Application filed by Zhejiang University of Technology ZJUT filed Critical Zhejiang University of Technology ZJUT
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Abstract

A kind of auto-excitation type has single-phase or multiphase input form without bridge rectifier, they include that multiple inductance are located at the auto-excitation type DC-DC converter of input side and multiple switch is located at the auto-excitation type DC-DC converter of input side.The auto-excitation type DC-DC converter that the inductance is located at the auto-excitation type DC-DC converter of input side and switch is located at input side is all to generate required oscillation using its internal inconsistency, auto-excitation type is enabled to work without bridge rectifier, can meet the requirement of multiple voltage conversion.The present invention has the characteristics that starting of oscillation is easy, and is suitble to the workplace of low alternating voltage input.

Description

Auto-excitation type is without bridge rectifier
Technical field
The present invention relates to single-phase and multiphase rectifiers (AC-DC), are especially suitable for the workplace of low alternating voltage input, Such as: collection of energy, LED driving, accessory power supply.
Background technique
The DC-DC converter that common inductance is located at input side includes Boost, Cuk converter, Sepic transformation Device and Flyback converter;It includes Buck converter, Buck-Boost that common switch, which is located at the DC-DC converter of input side, Converter, Zeta converter and Flyback converter.The DC-DC converter that either inductance is located at input side still switchs position In the DC-DC converter of input side, they all have, and there are two types of forms: separated exciting and auto-excitation type.Although current independent-excitation inverter Apply more extensive than autonomous convertor, but in the workplace autonomous convertor of low-voltage input in terms of starting Advantage is that independent-excitation inverter is incomparable.
Inductance is located at the auto-excitation type DC-DC converter of input side and switchs the auto-excitation type DC-DC converter for being located at input side Single-phase or multiphase auto-excitation type can be constituted without bridge rectifier, that is, the auto-excitation type constituted includes single-phase or more without bridge rectifier Phase input form can well solve low-voltage starting problem when alternating voltage input.
Summary of the invention
In order to overcome existing no bridge rectifier to provide one kind in deficiency, the present invention present on low alternating voltage starting problem Without bridge rectifier, it is located at the auto-excitation type DC-DC converter of input side from inductance and switchs the self-excitation positioned at input side auto-excitation type Formula DC-DC converter develops, and has single-phase or multiphase input form, inherits the advantages of easily starting up.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of auto-excitation type is located at the auto-excitation type DC-DC converter 1 of input side including inductance and inductance is located at without bridge rectifier Auto-excitation type DC-DC converter 1 to the inductance that the auto-excitation type DC-DC converter 2 or inductance of input side are located at input side is located at defeated Enter the auto-excitation type DC-DC converter n of side, the auto-excitation type DC-DC converter j that the inductance is located at input side have port vij+, Port vij-, port voj+, port voj- and the reversible feature of input current, the value range of j are 1 to 2 or 1 to n,
The auto-excitation type has single-phase or multiphase input form without bridge rectifier:
Single-phase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC transformation that inductance is located at input side Device 1 and inductance are located at the auto-excitation type DC-DC converter 2 of input side, and one end of single phase alternating current power supply vac and inductance are located at input side The port vi1+ of auto-excitation type DC-DC converter 1 be connected, the other end of single phase alternating current power supply vac and inductance are located at input side The port vi2+ of auto-excitation type DC-DC converter 2 is connected, and inductance is located at the port vi1- of the auto-excitation type DC-DC converter 1 of input side The port vi2- for being located at the auto-excitation type DC-DC converter 2 of input side with inductance is connected, and inductance is located at the auto-excitation type DC- of input side The port voj+ of DC converter j is connected with one end of load, and inductance is located at the port of the auto-excitation type DC-DC converter j of input side Voj- is connected with the other end of load, and the value range of j is 1 to 2;
Multiphase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC transformation that inductance is located at input side Device 1 to inductance is located at the auto-excitation type DC-DC converter n of input side, and multi-phase AC power includes single phase alternating current power supply vac1 to list One end of phase AC power source vacn, single phase alternating current power supply vacj and inductance are located at the end of the auto-excitation type DC-DC converter j of input side Mouth vij+ is connected, and the port voj+ that inductance is located at the auto-excitation type DC-DC converter j of input side is connected with one end of load, inductance Port voj- positioned at the auto-excitation type DC-DC converter j of input side is connected with the other end of load, and inductance is located at oneself of input side The port vin- of the port vi1- of sharp formula DC-DC converter 1 to the auto-excitation type DC-DC converter n that inductance is located at input side are connected, The other end of the other end of single phase alternating current power supply vac1 to single phase alternating current power supply vacn are connected, and the value range of j is 1 to n.
As a preferred embodiment, the inductance be located at the auto-excitation type DC-DC converter j of input side include resistance Rsj_1, Resistance Rsj_2, resistance Rpj_a1, inductance Lpj_a1, capacitor Csj_1, capacitor Cpj_a1, NPN type BJT pipe Qsj_1, NPN type BJT Pipe Qpj_a1, diode Dsj_1, diode Dpj_a1 and afterflow module caj, j value range be 1 to 2 or 1 to n, afterflow Module caj has port caj_1, port caj_2, port caj_3 and port caj_4, and the inductance is located at the self-excitation of input side The port vij+ of formula DC-DC converter j is connected with one end of one end of resistance Rsj_2 and inductance Lpj_a1 simultaneously, resistance Rsj_2 The other end simultaneously be connected with the collector of one end of capacitor Csj_1 and NPN type BJT pipe Qsj_1, NPN type BJT pipe Qsj_1's Base stage is connected with the cathode of one end of resistance Rsj_1 and diode Dsj_1 simultaneously, the other end of inductance Lpj_a1 while and capacitor One end of Cpj_a1, the collector of NPN type BJT pipe Qpj_a1 are connected with the port caj_1 of afterflow module caj, capacitor Cpj_a1 The other end be connected with the other end of resistance Rsj_1, the base stage of NPN type BJT pipe Qpj_a1 one end with resistance Rpj_a1 simultaneously It is connected with the cathode of diode Dpj_a1, the other end of resistance Rpj_a1 is connected with the other end of capacitor Csj_1, the inductance position In port vij- emitter, the diode with NPN type BJT pipe Qsj_1 simultaneously of the auto-excitation type DC-DC converter j of input side The port of the anode of Dsj_1, the anode of diode Dpj_a1, the emitter of NPN type BJT pipe Qpj_a1 and afterflow module caj Caj_3 is connected, and the inductance is located at the port of the port voj+ and afterflow module caj of the auto-excitation type DC-DC converter j of input side Caj_2 is connected, and the inductance is located at the port of the port voj- and afterflow module caj of the auto-excitation type DC-DC converter j of input side Caj_4 is connected;
The afterflow module caj includes afterflow modular unit cj_1, afterflow modular unit cj_1 have subport cj_1_1, The port caj_1 of subport cj_1_2, subport cj_1_3 and subport cj_1_4, the afterflow module caj and afterflow module The subport cj_1_1 of unit cj_1 is connected, the sub- end of the port caj_2 and afterflow modular unit cj_1 of the afterflow module caj Mouth cj_1_2 is connected, and the port caj_3 of the afterflow module caj is connected with the subport cj_1_3 of afterflow modular unit cj_1, The port caj_4 of the afterflow module caj is connected with the subport cj_1_4 of afterflow modular unit cj_1.Afterflow modular unit The effect of cj_1 is to provide current channel when NPN type BJT pipe Qpj_a1 cut-off for inductance Lpj_a1.The work of diode Dsj_1 Be protection NPN type BJT pipe Qsj_1.The effect of diode Dpj_a1 is protection NPN type BJT pipe Qpj_a1.
When the auto-excitation type uses single-phase input form without bridge rectifier, to reduce input current ripple, inductance can be enabled For Lp1_a1 and inductance Lp2_a1 there are coupled relation, one end with one end of inductance Lp1_a1 and inductance Lp2_a1 is that different name end is It is good.
As another preferred embodiment, the auto-excitation type DC-DC converter j that the inductance is located at input side includes resistance Rpj_ B1, resistance Rpj_b2, inductance Lpj_b1, inductance Lpj_b2, capacitor Cpj_b1, capacitor Cpj_b2, NPN type BJT pipe Qpj_b1, NPN type BJT pipe Qpj_b2, diode Dpj_b1, diode Dpj_b2 and afterflow module cbj, j value range be 1 to 2 or 1 to n, afterflow module cbj have port cbj_1, port cbj_2, port cbj_3, port cbj_4 and port cbj_5, the electricity Sense is positioned at the port vij+ of the auto-excitation type DC-DC converter j of input side while one end with inductance Lpj_b1 and inductance Lpj_b2 One end be connected, the other end of the inductance Lpj_b1 collector with one end of capacitor Cpj_b1, NPN type BJT pipe Qpj_b1 simultaneously Be connected with the port cbj_1 of afterflow module cbj, the base stage of NPN type BJT pipe Qpj_b1 simultaneously with the cathode of diode Dpj_b1 and One end of resistance Rpj_b1 is connected, the other end of inductance Lpj_b2 while one end with capacitor Cpj_b2, NPN type BJT pipe Qpj_ The collector of b2 is connected with the port cbj_5 of afterflow module cbj, the other end of capacitor Cpj_b2 and the other end of resistance Rpj_b1 It is connected, the base stage of NPN type BJT pipe Qpj_b2 is connected with one end of the cathode of diode Dpj_b2 and resistance Rpj_b2 simultaneously, electricity The other end of resistance Rpj_b2 is connected with the other end of capacitor Cpj_b1, and the inductance is located at the auto-excitation type DC-DC transformation of input side The port vij- of device j simultaneously with the emitter of NPN type BJT pipe Qpj_b1, the anode of diode Dpj_b1, NPN type BJT pipe Qpj_ The emitter of b2, the anode of diode Dpj_b2 are connected with the port cbj_3 of afterflow module cbj, and the inductance is located at input side The port voj+ of auto-excitation type DC-DC converter j be connected with the port cbj_2 of afterflow module cbj, the inductance is located at input side The port voj- of auto-excitation type DC-DC converter j be connected with the port cbj_4 of afterflow module cbj;
The afterflow module cbj includes afterflow modular unit cj_1 and afterflow modular unit cj_2, the afterflow module cbj Port cbj_1 be connected with the subport cj_1_1 of afterflow modular unit cj_1, the port cbj_2 of the afterflow module cbj is same When be connected with the subport cj_2_2 of the subport cj_1_2 of afterflow modular unit cj_1 and afterflow modular unit cj_2, it is described continuous The port cbj_3 of flow module cbj simultaneously with the subport cj_1_3 and afterflow modular unit cj_2 of afterflow modular unit cj_1 Subport cj_2_3 is connected, the port cbj_4 of the afterflow module cbj while the subport cj_ with afterflow modular unit cj_1 1_4 is connected with the subport cj_2_4 of afterflow modular unit cj_2, the port cbj_5 and afterflow module of the afterflow module cbj The subport cj_2_1 of unit cj_2 is connected.The effect of afterflow modular unit cj_1 is when NPN type BJT pipe Qpj_b1 cut-off Inductance Lpj_b1 provides current channel, and the effect of afterflow modular unit cj_2 is when NPN type BJT pipe Qpj_b2 cut-off for inductance Lpj_b2 provides current channel.The effect of diode Dpj_b1 is protection NPN type BJT pipe Qpj_b1.The work of diode Dpj_b2 Be protection NPN type BJT pipe Qpj_b2.
Further, the afterflow modular unit side of the auto-excitation type DC-DC converter j of input side is located at as preferred inductance Case one: the afterflow modular unit cj_k includes diode Dcj_k_a1 and capacitor Ccj_k_a1, the sun of diode Dcj_k_a1 Pole is connected with the subport cj_k_1 of afterflow modular unit cj_k, the cathode of diode Dcj_k_a1 simultaneously with capacitor Ccj_k_a1 One end be connected with the subport cj_k_2 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_a1 simultaneously with afterflow module The subport cj_k_3 of unit cj_k is connected with subport cj_k_4, and the value range of k is 1 to 2.The afterflow modular unit The auto-excitation type DC-DC converter j that cj_k enables the inductance be located at input side has boost function.
It is located at the afterflow modular unit scheme two of the auto-excitation type DC-DC converter j of input side as preferred inductance: described Afterflow modular unit cj_k includes capacitor Ccj_k_b1, capacitor Ccj_k_b2, inductance Lcj_k_b1, diode Dcj_k_b1 and two One end of pole pipe Dcj_k_b2, capacitor Ccj_k_b1 are connected with the subport cj_k_1 of afterflow modular unit cj_k, capacitor Ccj_ The other end of k_b1 is connected with one end of the anode of diode Dcj_k_b1 and inductance Lcj_k_b1 simultaneously, inductance Lcj_k_b1's The other end is connected with the cathode of diode Dcj_k_b2, the anode of diode Dcj_k_b2 while one end with capacitor Ccj_k_b2 Be connected with the subport cj_k_2 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_b2 simultaneously with afterflow modular unit The subport cj_k_3 of cj_k is connected with the cathode of subport cj_k_4 and diode Dcj_k_b1, the value range of k be 1 to 2.The auto-excitation type DC-DC converter j that the afterflow modular unit cj_k enables the inductance be located at input side has polarity reversion Stepping functions.
It is located at the afterflow modular unit scheme three of the auto-excitation type DC-DC converter j of input side as preferred inductance: described Afterflow modular unit cj_k includes capacitor Ccj_k_c1, capacitor Ccj_k_c2, inductance Lcj_k_c1, diode Dcj_k_c1 and two One end of pole pipe Dcj_k_c2, capacitor Ccj_k_c1 are connected with the subport cj_k_1 of afterflow modular unit cj_k, capacitor Ccj_ The other end of k_c1 is connected with one end of the anode of diode Dcj_k_c2 and inductance Lcj_k_c1 simultaneously, diode Dcj_k_c2 Cathode simultaneously be connected with the subport cj_k_2 of one end of capacitor Ccj_k_c2 and afterflow modular unit cj_k, inductance Lcj_k_ The other end of c1 is connected with the cathode of diode Dcj_k_c1, the anode of diode Dcj_k_c1 simultaneously with afterflow modular unit The subport cj_k_3 of cj_k is connected with the other end of subport cj_k_4 and capacitor Ccj_k_c2, the value range of k be 1 to 2.The auto-excitation type DC-DC converter j that the afterflow modular unit cj_k enables the inductance be located at input side has stepping functions.
A kind of auto-excitation type is located at without bridge rectifier including switching the auto-excitation type DC-DC converter 1 for being located at input side and switch Auto-excitation type DC-DC converter 1 to the switch that the auto-excitation type DC-DC converter 2 or switch of input side are located at input side is located at defeated Enter the auto-excitation type DC-DC converter n of side, the auto-excitation type DC-DC converter j that the switch is located at input side have port vij+, Port vij-, port voj+, port voj-, the value range of j are 1 to 2 or 1 to n,
The auto-excitation type has single-phase or multiphase input form without bridge rectifier:
Single-phase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC transformation that switch is located at input side Device 1 and switch are located at the auto-excitation type DC-DC converter 2 of input side, and switch is located at 1 He of auto-excitation type DC-DC converter of input side The auto-excitation type DC-DC converter 2 that switch is located at input side all has the characteristics that input current is reversible, single phase alternating current power supply vac's One end is connected with the port vi1+ for the auto-excitation type DC-DC converter 1 that switch is located at input side, and switch is located at the auto-excitation type of input side The port vi1- of DC-DC converter 1 is connected with the port vi2- for the auto-excitation type DC-DC converter 2 that switch is located at input side, single-phase The other end of AC power source vac is connected with the port vi2+ for the auto-excitation type DC-DC converter 2 that switch is located at input side, load Anode vo+ simultaneously with switch be located at input side auto-excitation type DC-DC converter 1 port vo1+ and switch be located at input side certainly The port vo2+ for swashing formula DC-DC converter 2 is connected, and the negative terminal vo- of load is located at the auto-excitation type DC-DC of input side with switch simultaneously The port vo1- of converter 1 is connected with the port vo2- for the auto-excitation type DC-DC converter 2 that switch is located at input side, the value model of j Enclose is 1 to 2;
Multiphase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC transformation that switch is located at input side Device 1 to switch is located at the auto-excitation type DC-DC converter n and diode D1 of input side to diode Dn, multi-phase AC power packet Single phase alternating current power supply vac1 to single phase alternating current power supply vacn is included, one end of single phase alternating current power supply vacj is located at input with switch simultaneously The port vij+ of the auto-excitation type DC-DC converter j of side is connected with the cathode of diode Dj, and switch is located at the auto-excitation type of input side The port vij- of DC-DC converter j is connected with the anode of diode Dj, and switch is located at the auto-excitation type DC-DC converter j of input side Port voj+ be connected with one end of load, switch be located at input side auto-excitation type DC-DC converter j port voj- and load The other end be connected, the anode of the anode of diode D1 to diode Dn is connected, the other end of single phase alternating current power supply vac1 to list The other end of phase AC power source vacn is connected, and the value range of j is 1 to n.
As a preferred embodiment, it includes resistance Rsj_ that the switch, which is located at the auto-excitation type DC-DC converter j of input side, B1, resistance Rsj_b2, resistance Rpj_b1, capacitor Csj_b1, capacitor Cpj_b1, positive-negative-positive BJT pipe Qsj_b1, positive-negative-positive BJT pipe Qpj_b1, diode Dsj_b1, diode Dpj_b1, inductance Lj_b1 and afterflow unit j, afterflow unit j have port cj_1, The emitter of port cj_2, port cj_3 and port cj_4, the positive-negative-positive BJT pipe Qsj_b1 are located at input side with switch simultaneously The port vij+ of auto-excitation type DC-DC converter j, the cathode of diode Dsj_b1, diode Dpj_b1 cathode and positive-negative-positive The emitter of BJT pipe Qpj_b1 is connected, the base stage of positive-negative-positive BJT pipe Qsj_b1 while anode and resistance with diode Dsj_b1 One end of Rsj_b1 is connected, the collector of positive-negative-positive BJT pipe Qsj_b1 simultaneously with one end of resistance Rsj_b2 and capacitor Csj_b1 One end is connected, the base stage of positive-negative-positive BJT pipe Qpj_b1 simultaneously with the anode of diode Dpj_b1 and one end phase of resistance Rpj_b1 Even, the other end of resistance Rpj_b1 is connected with the other end of capacitor Csj_b1, the collector of positive-negative-positive BJT pipe Qpj_b1 and meanwhile with One end of capacitor Cpj_b1, one end of inductance Lj_b1 are connected with the port cj_1 of the afterflow unit j, and capacitor Cpj_b1's is another One end is connected with the other end of resistance Rsj_b1, and the other end of inductance Lj_b1 is located at the auto-excitation type DC- of input side with switch simultaneously The port vij- of DC converter j, the other end of resistance Rsj_b2 are connected with the port cj_2 of afterflow unit j, the end of afterflow unit j Mouth cj_3 is connected with the port voj+ for the auto-excitation type DC-DC converter j that switch is located at input side, the port cj_4 of afterflow unit j The port voj- for being located at the auto-excitation type DC-DC converter j of input side with switch is connected, and the value range of j is 1 to 2 or 1 to n. The effect of afterflow unit j is to provide current channel when positive-negative-positive BJT pipe Qpj_b1 cut-off for inductance Lj_b1.Diode Dsj_b1 Effect be protection positive-negative-positive BJT pipe Qsj_b1.The effect of diode Dpj_b1 is protection positive-negative-positive BJT pipe Qpj_b1.
When the auto-excitation type uses single-phase input form without bridge rectifier, the inductance L1_b1 and inductance L2_b1 exist Coupled relation, one end of inductance L1_b1 and one end of inductance L2_b1 are different name ends.
Further, the preferred embodiment of the afterflow unit j of the auto-excitation type DC-DC converter j of input side is located at as switch One: the afterflow unit j includes diode Daj_1 and capacitor Caj_o, and the cathode of diode Daj_1 is with the afterflow unit j's Port cj_1 is connected, the anode of diode Daj_1 simultaneously with one end of capacitor Caj_o and the port cj_3 of the afterflow unit j It is connected, the other end of capacitor Caj_o is connected with the port cj_2 and port cj_4 of the afterflow unit j simultaneously, the value range of j It is 1 to 2 or 1 to n.
It is located at the preferred embodiment two of the afterflow unit j of the auto-excitation type DC-DC converter j of input side as switch: described continuous Stream unit j includes capacitor Cbj_1, capacitor Cbj_o, diode Dbj_1, diode Dbj_2 and inductance Lbj_1, capacitor Cbj_1's One end is connected with the port cj_1 of the afterflow unit j, the other end of capacitor Cbj_1 simultaneously with the cathode of diode Dbj_1 and One end of inductance Lbj_1 is connected, and the other end of inductance Lbj_1 is connected with the anode of diode Dbj_2, the yin of diode Dbj_2 Pole is connected with the port cj_3 of one end of capacitor Cbj_o and the afterflow unit j simultaneously, the other end of capacitor Cbj_o simultaneously with The port cj_2 of the anode of diode Dbj_1 and the afterflow unit j are connected with port cj_4, and the value range of j is 1 to 2 Or 1 to n.
It is located at the preferred embodiment three of the afterflow unit j of the auto-excitation type DC-DC converter j of input side as switch: described continuous Stream unit j includes inductance Lcj_1, inductance Lcj_2, diode Dcj_1, diode Dcj_2 and capacitor Ccj_o, inductance Lcj_1's One end is connected with the anode of diode Dcj_1, the cathode of diode Dcj_1 while cathode, capacitor Ccj_ with diode Dcj_2 One end of o is connected with the port cj_3 of the afterflow unit j, and the other end of capacitor Ccj_o is another with inductance Lcj_1 simultaneously It holds, one end of inductance Lcj_2 is connected with the port cj_4 of the afterflow unit j, the other end and diode Dcj_ of inductance Lcj_2 2 anode is connected, and there are coupled relation, the other ends of inductance Lj_b1 by inductance Lcj_1, inductance Lcj_2 and the inductance Lj_b1 It is Same Name of Ends with one end of inductance Lcj_1 and one end of inductance Lcj_2, the value range of j is 1 to 2.
It is located at the preferred embodiment four of the afterflow unit j of the auto-excitation type DC-DC converter j of input side as switch: described continuous Stream unit j includes inductance Lcj_1, diode Dcj_1 and capacitor Ccj_o, one end of inductance Lcj_1 and the sun of diode Dcj_1 Extremely it is connected, the cathode of diode Dcj_1 is connected with the port cj_3 of one end of capacitor Ccj_o and the afterflow unit j simultaneously, electricity The other end for holding Ccj_o is connected with the port cj_4 of the other end of inductance Lcj_1 and the afterflow unit j simultaneously, inductance Lcj_1 There are coupled relations with the inductance Lj_b1, and one end of inductance Lj_b1 and one end of inductance Lcj_1 are different name end, the value of j Range is 1 to n.
When the auto-excitation type uses single-phase input form without bridge rectifier, as another preferred embodiment, the switch Auto-excitation type DC-DC converter j positioned at input side includes resistance Rsj_a1, resistance Rsj_a2, resistance Rpj_a1, capacitor Csj_ A1, capacitor Cpj_a1, positive-negative-positive BJT pipe Qsj_a1, positive-negative-positive BJT pipe Qpj_a1, diode Dsj_a1, diode Dpj_a1, two The value range of pole pipe Dj_a1, inductance Lj_a1 and capacitor Cj_ao, j are 1 to 2, the emitter of the positive-negative-positive BJT pipe Qsj_a1 It is located at the port vij+ of the auto-excitation type DC-DC converter j of input side, cathode, the diode of diode Dsj_a1 with switch simultaneously The cathode of Dpj_a1 is connected with the emitter of positive-negative-positive BJT pipe Qpj_a1, the base stage of positive-negative-positive BJT pipe Qsj_a1 while and diode The anode of Dsj_a1 is connected with one end of resistance Rsj_a1, and the collector of positive-negative-positive BJT pipe Qsj_a1 is simultaneously with resistance Rsj_a2's One end is connected with one end of capacitor Csj_a1, the base stage of positive-negative-positive BJT pipe Qpj_a1 while anode and electricity with diode Dpj_a1 The one end for hindering Rpj_a1 is connected, and the other end of resistance Rpj_a1 is connected with the other end of capacitor Csj_a1, positive-negative-positive BJT pipe Qpj_ The collector of a1 is connected with one end of one end of capacitor Cpj_a1, the cathode of diode Dj_a1 and inductance Lj_a1 simultaneously, capacitor The other end of Cpj_a1 is connected with the other end of resistance Rsj_a1, the other end of inductance Lj_a1 while one end with capacitor Cj_ao The port voj+ of auto-excitation type DC-DC converter j for being located at input side with switch is connected, the other end of capacitor Cj_ao and meanwhile with open Off-position is in port voj- and port vij-, the other end of resistance Rsj_a2 and two of the auto-excitation type DC-DC converter j of input side The anode of pole pipe Dj_a1 is connected, and there are coupled relation, one end of inductance L1_a1 and electricity by the inductance L1_a1 and inductance L2_a1 The one end for feeling L2_a1 is different name end.The effect of diode Dsj_a1 is protection positive-negative-positive BJT pipe Qsj_a1, diode Dpj_a1's Effect is protection positive-negative-positive BJT pipe Qpj_a1.
When the auto-excitation type uses multiphase input form without bridge rectifier, as another preferred embodiment, the switch Auto-excitation type DC-DC converter j positioned at input side includes resistance Rj_a1, resistance Rj_a2, capacitor Cj_a1, capacitor Cj_a2, PNP Type BJT pipe Qj_a1, positive-negative-positive BJT pipe Qj_a2, diode Dj_a1, diode Dj_a2, voltage-stabiliser tube Zj_a1, voltage-stabiliser tube Zj_a2, The value range of inductance Lj_a1, inductance Lj_a2 and capacitor Cj_o, j are 1 to n, and the emitter of the positive-negative-positive BJT pipe Qj_a1 is same When with switch be located at input side auto-excitation type DC-DC converter j port vij+ and positive-negative-positive BJT pipe Qj_a2 emitter phase Even, the base stage of positive-negative-positive BJT pipe Qj_a1 is connected with one end of the cathode of voltage-stabiliser tube Zj_a1 and resistance Rj_a1 simultaneously, positive-negative-positive BJT The collector of pipe Qj_a1 is connected with the cathode of one end of inductance Lj_a1, one end of capacitor Cj_a1 and diode Dj_a1 simultaneously, The base stage of positive-negative-positive BJT pipe Qj_a2 is connected with one end of the cathode of voltage-stabiliser tube Zj_a2 and resistance Rj_a2 simultaneously, resistance Rj_a2's The other end is connected with the other end of capacitor Cj_a1, the collector of positive-negative-positive BJT pipe Qj_a2 simultaneously with one end of capacitor Cj_a2, two The cathode of pole pipe Dj_a2 is connected with one end of inductance Lj_a2, the other end phase of the other end and resistance Rj_a1 of capacitor Cj_a2 Even, the other end of inductance Lj_a1 is located at input side with the other end of inductance Lj_a2, one end of capacitor Cj_o and switch simultaneously The port voj+ of auto-excitation type DC-DC converter j is connected, and the other end of capacitor Cj_o is located at the auto-excitation type of input side with switch simultaneously The port voj- and port vij- and the anode of diode Dj_a1 of DC-DC converter j, the anode of diode Dj_a2, pressure stabilizing The anode of pipe Zj_a1 is connected with the anode of voltage-stabiliser tube Zj_a2.The effect of voltage-stabiliser tube Zj_a1 is protection positive-negative-positive BJT pipe Qj_a1. The effect of voltage-stabiliser tube Zj_a2 is protection positive-negative-positive BJT pipe Qj_a2.
Technical concept of the invention are as follows: the auto-excitation type DC-DC converter and switch for being located at input side using inductance are positioned at defeated Enter side auto-excitation type DC-DC converter constitute single-phase and multiphase without bridge rectifier, to solve low electricity when alternating voltage input Press starting problem.
Beneficial effects of the present invention are mainly manifested in: being had more " the auto-excitation type DC-DC converters that inductance is located at input side " List of the single-phase and multiphase of structure without bridge rectifier and with more " the auto-excitation type DC-DC converter that switch is located at input side " structures Mutually and multiphase is without bridge rectifier, and starting of oscillation is easy, and is suitble to the workplace of low alternating voltage input, can satisfy multiple voltage conversion It is required that.
Detailed description of the invention
Fig. 1 is the circuit block diagram of the embodiment of the present invention 1.
Fig. 2 is the circuit block diagram of the embodiment of the present invention 2.
Fig. 3 is the auto-excitation type DC-DC converter j for being located at input side suitable for the inductance of Example 1 and Example 2 of the present invention The first circuit diagram.
Fig. 4 is the auto-excitation type DC-DC converter j for being located at input side suitable for the inductance of Example 1 and Example 2 of the present invention Second of circuit diagram.
Fig. 5 is Example 1 and Example 2 of the present invention be located at using inductance input side auto-excitation type DC-DC converter j the A kind of applicable afterflow modular circuit block diagram when circuit.
Fig. 6 is Example 1 and Example 2 of the present invention be located at using inductance input side auto-excitation type DC-DC converter j the Applicable afterflow modular circuit block diagram when two kinds of circuits.
Fig. 7 is Example 1 and Example 2 of the present invention be located at using inductance input side auto-excitation type DC-DC converter j the A kind of be applicable in afterflow modular unit scheme one afterflow module element circuit figure when circuit and second of circuit.
Fig. 8 is Example 1 and Example 2 of the present invention be located at using inductance input side auto-excitation type DC-DC converter j the A kind of be applicable in afterflow modular unit scheme two afterflow module element circuit figure when circuit and second of circuit.
Fig. 9 is Example 1 and Example 2 of the present invention be located at using inductance input side auto-excitation type DC-DC converter j the A kind of be applicable in afterflow modular unit scheme three afterflow module element circuit figure when circuit and second of circuit.
Figure 10 is the first circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 1 is located at input side using inductance And afterflow modular unit scheme simulation waveform for the moment.
Figure 11 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 1 is located at input side using inductance And afterflow modular unit scheme simulation waveform for the moment.
Figure 12 is the first circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 2 is located at input side using inductance And afterflow modular unit scheme simulation waveform for the moment.
Figure 13 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 2 is located at input side using inductance And afterflow modular unit scheme simulation waveform for the moment.
Figure 14 is the circuit block diagram of the embodiment of the present invention 3.
Figure 15 is the circuit block diagram of the embodiment of the present invention 4.
Figure 16 is the first of the auto-excitation type DC-DC converter j switched positioned at input side suitable for the embodiment of the present invention 3 Circuit diagram.
Figure 17 is the first of the auto-excitation type DC-DC converter j switched positioned at input side suitable for the embodiment of the present invention 4 Circuit diagram.
Figure 18 is the auto-excitation type DC-DC converter for being located at input side suitable for the switch of the embodiment of the present invention 3 and embodiment 4 Second of circuit diagram of j.
Figure 19 is the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 and embodiment 4 are located at input side using switch The afterflow element circuit figure for being applicable in afterflow unit preferred embodiment one when second of circuit.
Figure 20 is the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 and embodiment 4 are located at input side using switch The afterflow element circuit figure for being applicable in afterflow unit preferred embodiment two when second of circuit.
Figure 21 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch When the afterflow element circuit figure for being applicable in afterflow unit preferred embodiment three.
Figure 22 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 4 is located at input side using switch When the afterflow element circuit figure for being applicable in afterflow unit preferred embodiment four.
Figure 23 is the first circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch When simulation waveform.
Figure 24 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch And afterflow unit preferred embodiment simulation waveform for the moment.
Figure 25 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch And simulation waveform when afterflow unit preferred embodiment two.
Figure 26 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch And simulation waveform when afterflow unit preferred embodiment three.
Figure 27 is the first circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 4 is located at input side using switch When simulation waveform.
Figure 28 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 4 is located at input side using switch And afterflow unit preferred embodiment simulation waveform for the moment.
Figure 29 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 4 is located at input side using switch And simulation waveform when afterflow unit preferred embodiment two.
Figure 30 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 4 is located at input side using switch And simulation waveform when afterflow unit preferred embodiment four.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig.1, a kind of single-phase input form of auto-excitation type without bridge rectifier includes the auto-excitation type that inductance is located at input side DC-DC converter 1 and inductance are located at the auto-excitation type DC-DC converter 2 of input side, and inductance is located at the auto-excitation type DC-DC of input side Converter j has the characteristics that port vij+, port vij-, port voj+, port voj- and input current are reversible, the value of j Range is 1 to 2, and one end of single phase alternating current power supply vac and inductance are located at the port vi1 of the auto-excitation type DC-DC converter 1 of input side + be connected, the other end and the inductance of single phase alternating current power supply vac are located at the port vi2+ phase of the auto-excitation type DC-DC converter 2 of input side Even, the port vi1- that inductance is located at the auto-excitation type DC-DC converter 1 of input side is located at the auto-excitation type DC-DC of input side with inductance The port vi2- of converter 2 is connected, and inductance is located at the port voj+ and the one of load of the auto-excitation type DC-DC converter j of input side End is connected, and the port voj- that inductance is located at the auto-excitation type DC-DC converter j of input side is connected with the other end of load.
Referring to Fig. 3 and Fig. 5, when the inductance is located at the auto-excitation type DC-DC converter j of input side using the first circuit When, the inductance be located at input side auto-excitation type DC-DC converter j include resistance Rsj_1, resistance Rsj_2, resistance Rpj_a1, Inductance Lpj_a1, capacitor Csj_1, capacitor Cpj_a1, NPN type BJT pipe Qsj_1, NPN type BJT pipe Qpj_a1, diode Dsj_1, The value range of diode Dpj_a1 and afterflow module caj, j are 1 to 2, and afterflow module caj has port caj_1, port caj_ 2, port caj_3 and port caj_4, the inductance be located at the auto-excitation type DC-DC converter j of input side port vij+ simultaneously with One end of resistance Rsj_2 is connected with one end of inductance Lpj_a1, the other end of resistance Rsj_2 while one end with capacitor Csj_1 Be connected with the collector of NPN type BJT pipe Qsj_1, the base stage of NPN type BJT pipe Qsj_1 simultaneously with one end of resistance Rsj_1 and two The cathode of pole pipe Dsj_1 is connected, the other end of inductance Lpj_a1 while one end with capacitor Cpj_a1, NPN type BJT pipe Qpj_a1 Collector be connected with the port caj_1 of afterflow module caj, the other end phase of the other end and resistance Rsj_1 of capacitor Cpj_a1 Even, the base stage of NPN type BJT pipe Qpj_a1 is connected with the cathode of one end of resistance Rpj_a1 and diode Dpj_a1 simultaneously, resistance The other end of Rpj_a1 is connected with the other end of capacitor Csj_1, and the inductance is located at the auto-excitation type DC-DC converter j of input side Port vij- simultaneously with the emitter of NPN type BJT pipe Qsj_1, the anode of diode Dsj_1, diode Dpj_a1 anode, The emitter of NPN type BJT pipe Qpj_a1 is connected with the port caj_3 of afterflow module caj, and the inductance is located at the self-excitation of input side The port voj+ of formula DC-DC converter j is connected with the port caj_2 of afterflow module caj, and the inductance is located at the self-excitation of input side The port voj- of formula DC-DC converter j is connected with the port caj_4 of afterflow module caj;
The afterflow module caj includes afterflow modular unit cj_1, afterflow modular unit cj_1 have subport cj_1_1, The port caj_1 of subport cj_1_2, subport cj_1_3 and subport cj_1_4, the afterflow module caj and afterflow module The subport cj_1_1 of unit cj_1 is connected, the sub- end of the port caj_2 and afterflow modular unit cj_1 of the afterflow module caj Mouth cj_1_2 is connected, and the port caj_3 of the afterflow module caj is connected with the subport cj_1_3 of afterflow modular unit cj_1, The port caj_4 of the afterflow module caj is connected with the subport cj_1_4 of afterflow modular unit cj_1.Afterflow modular unit The effect of cj_1 is to provide current channel when NPN type BJT pipe Qpj_a1 cut-off for inductance Lpj_a1.
When embodiment 1 is located at the first circuit of auto-excitation type DC-DC converter j of input side using inductance, utilize The inductance be located at the inconsistency inside the auto-excitation type DC-DC converter j of input side, especially NPN type BJT pipe Qpj_a1 and The inconsistency of NPN type BJT pipe Qsj_1, generates required oscillation.As vac > 0, inductance is located at the auto-excitation type DC- of input side DC converter 1 participates in undertaking the task of voltage conversion.As vac < 0, inductance is located at the auto-excitation type DC-DC converter 2 of input side Participate in undertaking the task of voltage conversion.The effect of diode Dsj_1 and Dpj_a1 are protection positive-negative-positive BJT pipe Qsj_1 and Qpj_a1 And it participates in vibrating.
By taking vac > 0 as an example, the first for the auto-excitation type DC-DC converter j that embodiment 1 uses inductance to be located at input side is explained Self-excitation working principle when circuit.As vac > 0, Dp2_a1 conducting, Qp2_a1 is inverted, and Lp2_a1 participates in the work of voltage conversion Make.Assuming that NPN type BJT pipe Qp1_a1 takes the lead in being connected when vac is greater than starting voltage.After Qp1_a1 conducting, inductance Lp1_a1 It magnetizes, the electric current for flowing through Lp1_a1 gradually increases, and capacitor Cp1_a1 is carried out by Qp1_a1, resistance Rs1_1 and diode Ds1_1 Electric discharge, vac are charged by Qp1_a1, resistance Rs1_2 and resistance Rp1_a1 to capacitor Cs1_1, and the base current of Qp1_a1 is gradually Reduce, but its collector current gradually increases, and enables Qp1_a1 exit saturation region and enters cut-off region.After Qp1_a1 cut-off, Lp1_a1 provides energy by afterflow module ca1 for load.Meanwhile because the effect of Cp1_a1, Qs1_1 are connected, Cs1_1 passes through Qs1_1, Rp1_a1 and diode Dp1_a1 discharge, and vac is filled by Lp1_a1, Rs1_1 and Qs1_1 to capacitor Cp1_a1 The base current of electricity, Qs1_1 is gradually reduced, and is enabled Qs1_1 exit saturation region and is entered cut-off region.After Qs1_1 cut-off, because of Cs1_1 Effect, Qp1_a1 is connected again.In cycles, until vac is less than starting voltage.As vac < 0, embodiment 1 uses inductance Self-excitation working principle when positioned at the first circuit of the auto-excitation type DC-DC converter j of input side and phase when above-mentioned vac > 0 Seemingly.To reduce input current ripple, can enabling inductance Lp1_a1 and inductance Lp2_a1, there are coupled relations, with the one of inductance Lp1_a1 Holding with one end of inductance Lp2_a1 is that different name end is preferred.
Referring to Fig. 4 and Fig. 6, when the inductance is located at the auto-excitation type DC-DC converter j of input side using second of circuit When, the auto-excitation type DC-DC converter j that the inductance is located at input side includes resistance Rpj_b1, resistance Rpj_b2, inductance Lpj_ B1, inductance Lpj_b2, capacitor Cpj_b1, capacitor Cpj_b2, NPN type BJT pipe Qpj_b1, NPN type BJT pipe Qpj_b2, diode The value range of Dpj_b1, diode Dpj_b2 and afterflow module cbj, j be 1 to 2, afterflow module cbj have port cbj_1, Port cbj_2, port cbj_3, port cbj_4 and port cbj_5, the inductance are located at the auto-excitation type DC-DC transformation of input side The port vij+ of device j is connected with one end of one end of inductance Lpj_b1 and inductance Lpj_b2 simultaneously, the other end of inductance Lpj_b1 It is connected simultaneously with the port cbj_1 of one end of capacitor Cpj_b1, the collector of NPN type BJT pipe Qpj_b1 and afterflow module cbj, The base stage of NPN type BJT pipe Qpj_b1 is connected with one end of the cathode of diode Dpj_b1 and resistance Rpj_b1 simultaneously, inductance Lpj_ The other end of b2 one end, the collector of NPN type BJT pipe Qpj_b2 and the port of afterflow module cbj with capacitor Cpj_b2 simultaneously Cbj_5 is connected, and the other end of capacitor Cpj_b2 is connected with the other end of resistance Rpj_b1, and the base stage of NPN type BJT pipe Qpj_b2 is same When be connected with one end of the cathode of diode Dpj_b2 and resistance Rpj_b2, the other end of resistance Rpj_b2 and capacitor Cpj_b1's The other end is connected, and the port vij- that the inductance is located at the auto-excitation type DC-DC converter j of input side is managed with NPN type BJT simultaneously The emitter of Qpj_b1, the anode of diode Dpj_b1, the emitter of NPN type BJT pipe Qpj_b2, diode Dpj_b2 anode It is connected with the port cbj_3 of afterflow module cbj, the inductance is located at the port voj+ of the auto-excitation type DC-DC converter j of input side It is connected with the port cbj_2 of afterflow module cbj, the inductance is located at the port voj- of the auto-excitation type DC-DC converter j of input side It is connected with the port cbj_4 of afterflow module cbj;
The afterflow module cbj includes afterflow modular unit cj_1 and afterflow modular unit cj_2, the afterflow module cbj Port cbj_1 be connected with the subport cj_1_1 of afterflow modular unit cj_1, the port cbj_2 of the afterflow module cbj is same When be connected with the subport cj_2_2 of the subport cj_1_2 of afterflow modular unit cj_1 and afterflow modular unit cj_2, it is described continuous The port cbj_3 of flow module cbj simultaneously with the subport cj_1_3 and afterflow modular unit cj_2 of afterflow modular unit cj_1 Subport cj_2_3 is connected, the port cbj_4 of the afterflow module cbj while the subport cj_ with afterflow modular unit cj_1 1_4 is connected with the subport cj_2_4 of afterflow modular unit cj_2, the port cbj_5 and afterflow module of the afterflow module cbj The subport cj_2_1 of unit cj_2 is connected.The effect of afterflow modular unit cj_1 is when NPN type BJT pipe Qpj_b1 cut-off Inductance Lpj_b1 provides current channel, and the effect of afterflow modular unit cj_2 is when NPN type BJT pipe Qpj_b2 cut-off for inductance Lpj_b2 provides current channel.
When embodiment 1 is located at second of circuit of auto-excitation type DC-DC converter j of input side using inductance, utilize The inconsistency of NPN type BJT pipe Qpj_b1 and NPN type BJT pipe Qpj_b2, generate required oscillation.As vac > 0, inductance position Participate in undertaking the task of voltage conversion in the auto-excitation type DC-DC converter 1 of input side.As vac < 0, inductance is located at input side Auto-excitation type DC-DC converter 2 participates in undertaking the task of voltage conversion.The effect of diode Dpj_b1 and Dpj_b2 are protection PNP Type BJT pipe Qpj_b1 and Qpj_b2 simultaneously participates in vibrating.
By taking vac > 0 as an example, explain that embodiment 1 is located at second of the auto-excitation type DC-DC converter j of input side using inductance Self-excitation working principle when circuit.As vac > 0, Dp2_b1 and Dp2_b2 conducting, Qp2_b1 and Qp2_b2 are inverted, Lp2_b1 and Lp2_b2 participates in the work of voltage conversion.Assuming that NPN type BJT pipe Qp1_b1 takes the lead in being connected when vac is greater than starting voltage.When After Qp1_b1 conducting, inductance Lp1_b1 magnetizes, and the electric current for flowing through Lp1_b1 gradually increases, and capacitor Cp1_b1 passes through Qp1_b1, electricity Resistance Rp1_b2 and diode Dp1_b2 discharges, and vac gives capacitor Cp1_ by Qp1_b1, inductance Lp1_b2 and resistance Rp1_b1 B2 charging, the base current of Qp1_b1 is gradually reduced, but its collector current gradually increases, enable Qp1_b1 exit saturation region into Enter cut-off region.After Qp1_b1 cut-off, Lp1_b1 provides energy by the afterflow modular unit c1_1 in afterflow module cb1 for load Amount.Meanwhile because the effect of Cp1_b1, Qp1_b2 are connected, inductance Lp1_b2 magnetizes, and the electric current for flowing through Lp1_b2 gradually increases, Cp1_b2 is discharged by Qp1_b2, Rp1_b1 and diode Dp1_b1, and vac is given by Lp1_b1, Rp1_b2 and Qp1_b2 Capacitor Cp1_b1 charging, the base current of Qp1_b2 is gradually reduced, but its collector current gradually increases, and Qp1_b2 is enabled to exit Saturation region enters cut-off region.After Qp1_b2 cut-off, Lp1_b2 is negative by the afterflow modular unit c1_2 in afterflow module cb1 It carries and energy is provided.Meanwhile because of the effect of Cp1_b2, Qp1_b1 is connected again.In cycles, until vac is less than starting voltage.When When vac < 0, self-excitation when second of circuit of auto-excitation type DC-DC converter j that embodiment 1 is located at input side using inductance works Principle is similar to when above-mentioned vac > 0.
Referring to Fig. 7, when embodiment 1 is using afterflow modular unit scheme a period of time, the afterflow modular unit cj_k includes two The anode of pole pipe Dcj_k_a1 and capacitor Ccj_k_a1, diode Dcj_k_a1 and the subport cj_ of afterflow modular unit cj_k K_1 is connected, the cathode of diode Dcj_k_a1 simultaneously with one end of capacitor Ccj_k_a1 and the sub- end of afterflow modular unit cj_k Mouth cj_k_2 is connected, the other end of capacitor Ccj_k_a1 while subport cj_k_3 and subport with afterflow modular unit cj_k Cj_k_4 is connected, and the value range of k is 1 or 1 to 2.Figure 10 is the auto-excitation type DC-DC that embodiment 1 is located at input side using inductance The first circuit and afterflow modular unit scheme of converter j simulation waveform for the moment, embodiment 1 uses as shown in Figure 10 Inductance is located at self-excitation working condition when the first circuit of the auto-excitation type DC-DC converter j of input side, the afterflow module list First cj_1 can enable embodiment 1 have boost function.The inductance is located at the first of the auto-excitation type DC-DC converter j of input side The working principle of circuit is similar to Boost.Figure 11 is the auto-excitation type DC-DC that embodiment 1 is located at input side using inductance Second of the circuit and afterflow modular unit scheme of converter j simulation waveform for the moment, embodiment 1 uses as shown in Figure 11 Inductance is located at self-excitation working condition when second of circuit of the auto-excitation type DC-DC converter j of input side, the afterflow module list First cj_1 and cj_2 can enable embodiment 1 have boost function.The inductance is located at the auto-excitation type DC-DC converter j's of input side The working principle of second of circuit is similar to crisscross parallel Boost.
Referring to Fig. 8, when embodiment 1 is using afterflow modular unit scheme two, the afterflow modular unit cj_k includes electricity Hold Ccj_k_b1, capacitor Ccj_k_b2, inductance Lcj_k_b1, diode Dcj_k_b1 and diode Dcj_k_b2, capacitor Ccj_ One end of k_b1 is connected with the subport cj_k_1 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_b1 simultaneously with two poles The anode of pipe Dcj_k_b1 is connected with one end of inductance Lcj_k_b1, the other end and diode Dcj_k_b2 of inductance Lcj_k_b1 Cathode be connected, the anode of diode Dcj_k_b2 simultaneously with one end of capacitor Ccj_k_b2 and the son of afterflow modular unit cj_k Port cj_k_2 is connected, the other end of capacitor Ccj_k_b2 the subport cj_k_3 with afterflow modular unit cj_k and sub- end simultaneously The cathode of mouth cj_k_4 and diode Dcj_k_b1 is connected, and the value range of k is 1 or 1 to 2.When embodiment 1 uses inductance position When the first circuit of the auto-excitation type DC-DC converter j of input side, the afterflow modular unit cj_1 can enable embodiment 1 have The stepping functions of polarized reversion.The inductance is located at the work of the first circuit of the auto-excitation type DC-DC converter j of input side It is similar to Cuk converter to make principle.When the use inductance of embodiment 1 is located at second of the auto-excitation type DC-DC converter j of input side When circuit, afterflow the modular unit cj_1 and cj_2 can enable embodiment 1 with the stepping functions of polarity reversion.The inductance Working principle positioned at second of circuit of the auto-excitation type DC-DC converter j of input side is similar to crisscross parallel Cuk converter.
Referring to Fig. 9, when embodiment 1 is using afterflow modular unit scheme three, the afterflow modular unit cj_k includes electricity Hold Ccj_k_c1, capacitor Ccj_k_c2, inductance Lcj_k_c1, diode Dcj_k_c1 and diode Dcj_k_c2, capacitor Ccj_ One end of k_c1 is connected with the subport cj_k_1 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_c1 simultaneously with two poles The anode of pipe Dcj_k_c2 is connected with one end of inductance Lcj_k_c1, the cathode of diode Dcj_k_c2 simultaneously with capacitor Ccj_k_ One end of c2 is connected with the subport cj_k_2 of afterflow modular unit cj_k, the other end and diode Dcj_ of inductance Lcj_k_c1 The cathode of k_c1 is connected, the anode of diode Dcj_k_c1 the subport cj_k_3 with afterflow modular unit cj_k and sub- end simultaneously The other end of mouth cj_k_4 and capacitor Ccj_k_c2 is connected, and the value range of k is 1 or 1 to 2.When embodiment 1 uses inductance position When the first circuit of the auto-excitation type DC-DC converter j of input side, the afterflow modular unit cj_1 can enable embodiment 1 have There are stepping functions.The inductance be located at the working principle of the first circuit of the auto-excitation type DC-DC converter j of input side with Sepic converter is similar.When the use inductance of embodiment 1 is located at second of circuit of the auto-excitation type DC-DC converter j of input side When, afterflow the modular unit cj_1 and cj_2 can enable embodiment 1 have stepping functions.The inductance is located at oneself of input side The working principle for swashing second of circuit of formula DC-DC converter j is similar to crisscross parallel Sepic converter.
Embodiment 2
Referring to Fig. 2, a kind of multiphase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type that inductance is located at input side DC-DC converter 1 to inductance is located at the auto-excitation type DC-DC converter n of input side, and inductance is located at the auto-excitation type DC-DC of input side Converter j has the characteristics that port vij+, port vij-, port voj+, port voj- and input current are reversible, the value of j Range is 1 to n, and multi-phase AC power includes single phase alternating current power supply vac1 to single phase alternating current power supply vacn, single phase alternating current power supply One end of vacj is connected with the port vij+ for the auto-excitation type DC-DC converter j that inductance is located at input side, and inductance is located at input side The port voj+ of auto-excitation type DC-DC converter j is connected with one end of load, and inductance is located at the auto-excitation type DC-DC transformation of input side The port voj- of device j is connected with the other end of load, and inductance is located at the port vi1- of the auto-excitation type DC-DC converter 1 of input side The port vin- for being located at the auto-excitation type DC-DC converter n of input side to inductance is connected, and the other end of single phase alternating current power supply vac1 is extremely The other end of single phase alternating current power supply vacn is connected.
Referring to Fig. 3 and Fig. 5, when the inductance is located at the auto-excitation type DC-DC converter j of input side using the first circuit When, the inductance be located at input side auto-excitation type DC-DC converter j include resistance Rsj_1, resistance Rsj_2, resistance Rpj_a1, Inductance Lpj_a1, capacitor Csj_1, capacitor Cpj_a1, NPN type BJT pipe Qsj_1, NPN type BJT pipe Qpj_a1, diode Dsj_1, The value range of diode Dpj_a1 and afterflow module caj, j are 1 to n, and afterflow module caj has port caj_1, port caj_ 2, port caj_3 and port caj_4, the inductance be located at the auto-excitation type DC-DC converter j of input side port vij+ simultaneously with One end of resistance Rsj_2 is connected with one end of inductance Lpj_a1, the other end of resistance Rsj_2 while one end with capacitor Csj_1 Be connected with the collector of NPN type BJT pipe Qsj_1, the base stage of NPN type BJT pipe Qsj_1 simultaneously with one end of resistance Rsj_1 and two The cathode of pole pipe Dsj_1 is connected, the other end of inductance Lpj_a1 while one end with capacitor Cpj_a1, NPN type BJT pipe Qpj_a1 Collector be connected with the port caj_1 of afterflow module caj, the other end phase of the other end and resistance Rsj_1 of capacitor Cpj_a1 Even, the base stage of NPN type BJT pipe Qpj_a1 is connected with the cathode of one end of resistance Rpj_a1 and diode Dpj_a1 simultaneously, resistance The other end of Rpj_a1 is connected with the other end of capacitor Csj_1, and the inductance is located at the auto-excitation type DC-DC converter j of input side Port vij- simultaneously with the emitter of NPN type BJT pipe Qsj_1, the anode of diode Dsj_1, diode Dpj_a1 anode, The emitter of NPN type BJT pipe Qpj_a1 is connected with the port caj_3 of afterflow module caj, and the inductance is located at the self-excitation of input side The port voj+ of formula DC-DC converter j is connected with the port caj_2 of afterflow module caj, and the inductance is located at the self-excitation of input side The port voj- of formula DC-DC converter j is connected with the port caj_4 of afterflow module caj;
The afterflow module caj includes afterflow modular unit cj_1, afterflow modular unit cj_1 have subport cj_1_1, The port caj_1 of subport cj_1_2, subport cj_1_3 and subport cj_1_4, the afterflow module caj and afterflow module The subport cj_1_1 of unit cj_1 is connected, the sub- end of the port caj_2 and afterflow modular unit cj_1 of the afterflow module caj Mouth cj_1_2 is connected, and the port caj_3 of the afterflow module caj is connected with the subport cj_1_3 of afterflow modular unit cj_1, The port caj_4 of the afterflow module caj is connected with the subport cj_1_4 of afterflow modular unit cj_1.Afterflow modular unit The effect of cj_1 is to provide current channel when NPN type BJT pipe Qpj_a1 cut-off for inductance Lpj_a1.
When embodiment 2 is located at the first circuit of auto-excitation type DC-DC converter j of input side using inductance, utilize The inductance be located at the inconsistency inside the auto-excitation type DC-DC converter j of input side, especially NPN type BJT pipe Qpj_a1 and The inconsistency of NPN type BJT pipe Qsj_1, generates required oscillation.When working as vacj > min (vac1, vac2 ..., vacn), inductance Participate in undertaking the task of voltage conversion positioned at the auto-excitation type DC-DC converter j of input side.The work of diode Dsj_1 and Dpj_a1 With being that protection and participates in vibrating positive-negative-positive BJT pipe Qsj_1 and Qpj_a1.
By taking vac1=min (vac1, vac2 ..., vacn) as an example, explain that the use inductance of embodiment 2 is located at oneself of input side Swash self-excitation working principle when the first circuit of formula DC-DC converter j.As vac1=min (vac1, vac2 ..., vacn) When, Dp1_a1 conducting, Qp1_a1 is inverted, and Lp1_a1 participates in the work of voltage conversion.Assuming that when (vacx-vac1) is greater than starting electricity NPN type BJT pipe Qpx_a1 takes the lead in being connected when pressure, and the value range of x is 2 to n.After Qpx_a1 conducting, inductance Lpx_a1 magnetizes, The electric current for flowing through Lpx_a1 gradually increases, and capacitor Cpx_a1 is discharged by Qpx_a1, resistance Rsx_1 and diode Dsx_1, Vacx is charged by Qpx_a1, resistance Rsx_2 and resistance Rpx_a1 to capacitor Csx_1, and the base current of Qpx_a1 is gradually reduced, But its collector current gradually increases, and enables Qpx_a1 exit saturation region and enters cut-off region.After Qpx_a1 cut-off, Lpx_a1 is logical It crosses afterflow module cax and provides energy for load.Meanwhile because the effect of Cpx_a1, Qsx_1 are connected, Csx_1 passes through Qsx_1, Rpx_ A1 and diode Dpx_a1 discharge, and vacx is charged by Lpx_a1, Rsx_1 and Qsx_1 to capacitor Cpx_a1, Qsx_1's Base current is gradually reduced, and is enabled Qsx_1 exit saturation region and is entered cut-off region.After Qsx_1 cut-off, because of the effect of Csx_1, Qpx_ A1 is connected again.In cycles, until (vacx-vac1) is less than starting voltage.
Referring to Fig. 4 and Fig. 6, when the inductance is located at the auto-excitation type DC-DC converter j of input side using second of circuit When, the auto-excitation type DC-DC converter j that the inductance is located at input side includes resistance Rpj_b1, resistance Rpj_b2, inductance Lpj_ B1, inductance Lpj_b2, capacitor Cpj_b1, capacitor Cpj_b2, NPN type BJT pipe Qpj_b1, NPN type BJT pipe Qpj_b2, diode The value range of Dpj_b1, diode Dpj_b2 and afterflow module cbj, j be 1 to n, afterflow module cbj have port cbj_1, Port cbj_2, port cbj_3, port cbj_4 and port cbj_5, the inductance are located at the auto-excitation type DC-DC transformation of input side The port vij+ of device j is connected with one end of one end of inductance Lpj_b1 and inductance Lpj_b2 simultaneously, the other end of inductance Lpj_b1 It is connected simultaneously with the port cbj_1 of one end of capacitor Cpj_b1, the collector of NPN type BJT pipe Qpj_b1 and afterflow module cbj, The base stage of NPN type BJT pipe Qpj_b1 is connected with one end of the cathode of diode Dpj_b1 and resistance Rpj_b1 simultaneously, inductance Lpj_ The other end of b2 one end, the collector of NPN type BJT pipe Qpj_b2 and the port of afterflow module cbj with capacitor Cpj_b2 simultaneously Cbj_5 is connected, and the other end of capacitor Cpj_b2 is connected with the other end of resistance Rpj_b1, and the base stage of NPN type BJT pipe Qpj_b2 is same When be connected with one end of the cathode of diode Dpj_b2 and resistance Rpj_b2, the other end of resistance Rpj_b2 and capacitor Cpj_b1's The other end is connected, and the port vij- that the inductance is located at the auto-excitation type DC-DC converter j of input side is managed with NPN type BJT simultaneously The emitter of Qpj_b1, the anode of diode Dpj_b1, the emitter of NPN type BJT pipe Qpj_b2, diode Dpj_b2 anode It is connected with the port cbj_3 of afterflow module cbj, the inductance is located at the port voj+ of the auto-excitation type DC-DC converter j of input side It is connected with the port cbj_2 of afterflow module cbj, the inductance is located at the port voj- of the auto-excitation type DC-DC converter j of input side It is connected with the port cbj_4 of afterflow module cbj;
The afterflow module cbj includes afterflow modular unit cj_1 and afterflow modular unit cj_2, the afterflow module cbj Port cbj_1 be connected with the subport cj_1_1 of afterflow modular unit cj_1, the port cbj_2 of the afterflow module cbj is same When be connected with the subport cj_2_2 of the subport cj_1_2 of afterflow modular unit cj_1 and afterflow modular unit cj_2, it is described continuous The port cbj_3 of flow module cbj simultaneously with the subport cj_1_3 and afterflow modular unit cj_2 of afterflow modular unit cj_1 Subport cj_2_3 is connected, the port cbj_4 of the afterflow module cbj while the subport cj_ with afterflow modular unit cj_1 1_4 is connected with the subport cj_2_4 of afterflow modular unit cj_2, the port cbj_5 and afterflow module of the afterflow module cbj The subport cj_2_1 of unit cj_2 is connected.The effect of afterflow modular unit cj_1 is when NPN type BJT pipe Qpj_b1 cut-off Inductance Lpj_b1 provides current channel, and the effect of afterflow modular unit cj_2 is when NPN type BJT pipe Qpj_b2 cut-off for inductance Lpj_b2 provides current channel.
When embodiment 2 is located at second of circuit of auto-excitation type DC-DC converter j of input side using inductance, utilize The inconsistency of NPN type BJT pipe Qpj_b1 and NPN type BJT pipe Qpj_b2, generate required oscillation.Work as vacj > min (vac1, Vac2 ..., vacn) when, the auto-excitation type DC-DC converter j that inductance is located at input side participates in undertaking the task of voltage conversion.Two poles The effect of pipe Dpj_b1 and Dpj_b2 are protection positive-negative-positive BJT pipe Qpj_b1 and Qpj_b2 and participate in vibrating.
By taking vac1=min (vac1, vac2 ..., vacn) as an example, explain that the use inductance of embodiment 2 is located at oneself of input side Swash self-excitation working principle when second of circuit of formula DC-DC converter j.As vac1=min (vac1, vac2 ..., vacn) When, Dp1_b1 and Dp1_b2 conducting, Qp1_b1 and Qp1_b2 are inverted, and Lp1_b1 and Lp1_b2 participate in the work that voltage is converted.It is false If NPN type BJT pipe Qpx_b1 takes the lead in being connected when (vacx-vac1) is greater than starting voltage, the value range of x is 2 to n.When After Qpx_b1 conducting, inductance Lpx_b1 magnetizes, and the electric current for flowing through Lpx_b1 gradually increases, and capacitor Cpx_b1 passes through Qpx_b1, electricity Resistance Rpx_b2 and diode Dpx_b2 discharges, and vacx is by Qpx_b1, inductance Lpj_b2 and resistance Rpx_b1 to capacitor Cpx_b2 charging, the base current of Qpx_b1 is gradually reduced, but its collector current gradually increases, and Qpx_b1 is enabled to exit saturation Area enters cut-off region.After Qpx_b1 cut-off, Lpx_b1 is that load mentions by the afterflow modular unit cx_1 in afterflow module cbx For energy.Meanwhile because the effect of Cpx_b1, Qpx_b2 are connected, inductance Lpx_b2 magnetizes, and the electric current for flowing through Lpx_b2 gradually increases Add, Cpx_b2 is discharged by Qpx_b2, Rpx_b1 and diode Dpx_b1, and vacx passes through Lpx_b1, Rpx_b2 and Qpx_ B2 charges to capacitor Cpx_b1, and the base current of Qpx_b2 is gradually reduced, but its collector current gradually increases, and enables Qpx_b2 It exits saturation region and enters cut-off region.After Qpx_b2 cut-off, Lpx_b2 passes through the afterflow modular unit cx_2 in afterflow module cbx Energy is provided for load.Meanwhile because of the effect of Cpx_b2, Qpx_b1 is connected again.In cycles, until (vacx-vac1) is small In starting voltage.
Referring to Fig. 7, when embodiment 2 is using afterflow modular unit scheme a period of time, the afterflow modular unit cj_k includes two The anode of pole pipe Dcj_k_a1 and capacitor Ccj_k_a1, diode Dcj_k_a1 and the subport cj_ of afterflow modular unit cj_k K_1 is connected, the cathode of diode Dcj_k_a1 simultaneously with one end of capacitor Ccj_k_a1 and the sub- end of afterflow modular unit cj_k Mouth cj_k_2 is connected, the other end of capacitor Ccj_k_a1 while subport cj_k_3 and subport with afterflow modular unit cj_k Cj_k_4 is connected, and the value range of k is 1 or 1 to 2.Figure 12 is the self-excitation that embodiment 2 (taking n=3) is located at input side using inductance The first circuit and afterflow modular unit scheme of formula DC-DC converter j simulation waveform for the moment, implements as shown in Figure 12 Self-excitation working condition when the first circuit for the auto-excitation type DC-DC converter j that example 2 is located at input side using inductance, it is described continuous Flow module unit cj_1 can enable embodiment 2 have boost function.The inductance is located at the auto-excitation type DC-DC converter j of input side The first circuit working principle it is similar to Boost.Figure 13 is that embodiment 2 (taking n=3) uses inductance to be located at input Second of the circuit and afterflow modular unit scheme of the auto-excitation type DC-DC converter j of side simulation waveform for the moment, by Figure 13 Know self-excitation work shape when second of the circuit for the auto-excitation type DC-DC converter j that embodiment 2 uses inductance to be located at input side State, afterflow the modular unit cj_1 and cj_2 can enable embodiment 2 have boost function.The inductance is located at the self-excitation of input side The working principle of second of circuit of formula DC-DC converter j is similar to crisscross parallel Boost.
Referring to Fig. 8, when embodiment 2 is using afterflow modular unit scheme two, the afterflow modular unit cj_k includes electricity Hold Ccj_k_b1, capacitor Ccj_k_b2, inductance Lcj_k_b1, diode Dcj_k_b1 and diode Dcj_k_b2, capacitor Ccj_ One end of k_b1 is connected with the subport cj_k_1 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_b1 simultaneously with two poles The anode of pipe Dcj_k_b1 is connected with one end of inductance Lcj_k_b1, the other end and diode Dcj_k_b2 of inductance Lcj_k_b1 Cathode be connected, the anode of diode Dcj_k_b2 simultaneously with one end of capacitor Ccj_k_b2 and the son of afterflow modular unit cj_k Port cj_k_2 is connected, the other end of capacitor Ccj_k_b2 the subport cj_k_3 with afterflow modular unit cj_k and sub- end simultaneously The cathode of mouth cj_k_4 and diode Dcj_k_b1 is connected, and the value range of k is 1 or 1 to 2.When embodiment 2 uses inductance position When the first circuit of the auto-excitation type DC-DC converter j of input side, the afterflow modular unit cj_1 can enable embodiment 1 have The stepping functions of polarized reversion.The inductance is located at the work of the first circuit of the auto-excitation type DC-DC converter j of input side It is similar to Cuk converter to make principle.When the use inductance of embodiment 2 is located at second of the auto-excitation type DC-DC converter j of input side When circuit, afterflow the modular unit cj_1 and cj_2 can enable embodiment 2 with the stepping functions of polarity reversion.The inductance Working principle positioned at second of circuit of the auto-excitation type DC-DC converter j of input side is similar to crisscross parallel Cuk converter.
Referring to Fig. 9, when embodiment 2 is using afterflow modular unit scheme three, the afterflow modular unit cj_k includes electricity Hold Ccj_k_c1, capacitor Ccj_k_c2, inductance Lcj_k_c1, diode Dcj_k_c1 and diode Dcj_k_c2, capacitor Ccj_ One end of k_c1 is connected with the subport cj_k_1 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_c1 simultaneously with two poles The anode of pipe Dcj_k_c2 is connected with one end of inductance Lcj_k_c1, the cathode of diode Dcj_k_c2 simultaneously with capacitor Ccj_k_ One end of c2 is connected with the subport cj_k_2 of afterflow modular unit cj_k, the other end and diode Dcj_ of inductance Lcj_k_c1 The cathode of k_c1 is connected, the anode of diode Dcj_k_c1 the subport cj_k_3 with afterflow modular unit cj_k and sub- end simultaneously The other end of mouth cj_k_4 and capacitor Ccj_k_c2 is connected, and the value range of k is 1 or 1 to 2.When embodiment 2 uses inductance position When the first circuit of the auto-excitation type DC-DC converter j of input side, the afterflow modular unit cj_1 can enable embodiment 1 have There are stepping functions.The inductance be located at the working principle of the first circuit of the auto-excitation type DC-DC converter j of input side with Sepic converter is similar.When the use inductance of embodiment 2 is located at second of circuit of the auto-excitation type DC-DC converter j of input side When, afterflow the modular unit cj_1 and cj_2 can enable embodiment 2 have stepping functions.The inductance is located at oneself of input side The working principle for swashing second of circuit of formula DC-DC converter j is similar to crisscross parallel Sepic converter.
Embodiment 3
Referring to Fig.1 4, a kind of single-phase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type that switch is located at input side DC-DC converter 1 and switch are located at the auto-excitation type DC-DC converter 2 of input side, and switch is located at the auto-excitation type DC-DC of input side Converter 1 has port vi1+, port vi1-, port vo1+ and port vo1-, and the auto-excitation type DC-DC that switch is located at input side becomes Parallel operation 2 has port vi2+, port vi2-, port vo2+ and port vo2-, and the auto-excitation type DC-DC that switch is located at input side is converted The auto-excitation type DC-DC converter 2 that device 1 and switch are located at input side all has the characteristics that input current is reversible, single phase alternating current power supply One end of vac is connected with the port vi1+ for the auto-excitation type DC-DC converter 1 that switch is located at input side, and switch is located at input side The port vi1- of auto-excitation type DC-DC converter 1 is located at the port vi2- phase of the auto-excitation type DC-DC converter 2 of input side with switch Even, the port vi2+ for the auto-excitation type DC-DC converter 2 that the other end of single phase alternating current power supply vac is located at input side with switch is connected, The anode vo+ of load is located at the port vo1+ of the auto-excitation type DC-DC converter 1 of input side with switch simultaneously and switch is located at input The port vo2+ of the auto-excitation type DC-DC converter 2 of side is connected, and the negative terminal vo- of load is located at the self-excitation of input side with switch simultaneously The port vo1- of formula DC-DC converter 1 is connected with the port vo2- for the auto-excitation type DC-DC converter 2 that switch is located at input side, j Value range be 1 to 2.
Referring to Fig.1 6, when the auto-excitation type DC-DC converter j that the switch is located at input side uses the first circuit, institute Stating switch to be located at the auto-excitation type DC-DC converter j of input side includes resistance Rsj_a1, resistance Rsj_a2, resistance Rpj_a1, capacitor Csj_a1, capacitor Cpj_a1, positive-negative-positive BJT pipe Qsj_a1, positive-negative-positive BJT pipe Qpj_a1, diode Dsj_a1, diode Dpj_ A1, diode Dj_a1, inductance Lj_a1 and capacitor Cj_ao, j value range be 1 to 2, the positive-negative-positive BJT pipe Qsj_a1's Emitter be located at simultaneously with switch the port vij+ of auto-excitation type DC-DC converter j of input side, the cathode of diode Dsj_a1, The cathode of diode Dpj_a1 is connected with the emitter of positive-negative-positive BJT pipe Qpj_a1, the base stage of positive-negative-positive BJT pipe Qsj_a1 simultaneously with The anode of diode Dsj_a1 is connected with one end of resistance Rsj_a1, the collector of positive-negative-positive BJT pipe Qsj_a1 while and resistance One end of Rsj_a2 is connected with one end of capacitor Csj_a1, and the base stage of positive-negative-positive BJT pipe Qpj_a1 is simultaneously with diode Dpj_a1's Anode is connected with one end of resistance Rpj_a1, and the other end of resistance Rpj_a1 is connected with the other end of capacitor Csj_a1, positive-negative-positive The collector of BJT pipe Qpj_a1 one end with one end of capacitor Cpj_a1, the cathode of diode Dj_a1 and inductance Lj_a1 simultaneously It is connected, the other end of capacitor Cpj_a1 is connected with the other end of resistance Rsj_a1, the other end of inductance Lj_a1 while and capacitor One end of Cj_ao is connected with the port voj+ for the auto-excitation type DC-DC converter j that switch is located at input side, and capacitor Cj_ao's is another End be located at simultaneously with switch the port voj- and port vij- of auto-excitation type DC-DC converter j of input side, resistance Rsj_a2 it is another The anode of one end and diode Dj_a1 are connected.There are coupled relation, inductance L1_a1 by the inductance L1_a1 and inductance L2_a1 One end and one end of inductance L2_a1 be different name end.
When the first circuit for the auto-excitation type DC-DC converter j that embodiment 3 is located at input side using switch, utilize It is described switch be located at input side auto-excitation type DC-DC converter j inside inconsistency, especially positive-negative-positive BJT pipe Qpj_a1 and The inconsistency of positive-negative-positive BJT pipe Qsj_a1, generates required oscillation.As vac > 0, Qp2_a1 can be inverted, by switching position The task of voltage conversion is undertaken in the auto-excitation type DC-DC converter 1 and L2_a1 of input side;As vac < 0, Qp1_a1 can occur It is inverted, undertakes the task of voltage conversion positioned at the auto-excitation type DC-DC converter 2 and L1_a1 of input side by switching.
By taking vac > 0 as an example, explain embodiment 3 using the first of the auto-excitation type DC-DC converter j switched positioned at input side Self-excitation working principle when circuit.Assuming that positive-negative-positive BJT pipe Qp1_a1 takes the lead in being connected when vac is greater than starting voltage.Work as Qp1_a1 When conducting, Qp2_a1 is inverted, and Dp2_a1 conducting, coupling inductance L1_a1 and L2_a1 magnetize, and inductive current iL1_a1 is gradually increased, Vac is charged by Qp1_a1, Rp1_a1 and Rs1_a2 to Cs1_a1, and Cp1_a1 is discharged by Rs1_a1 and Ds1_a1, Qp1_a1 Base current be gradually reduced, and its collector current gradually increases, and enables Qp1_a1 exit saturation region and enters cut-off region.Work as Qp1_ After a1 cut-off, D1_a1 is connected, and the magnetic energy in coupling inductance L1_a1 and L2_a1 is only discharged by L1_a1, provides electric energy for load. Meanwhile Qs1_a1 is connected, vac is charged by Qs1_a1 and Rs1_a1 to Cp1_a1, and Cs1_a1 is put by Rp1_a1 and Dp1_a1 The base current of electricity, Qs1_a1 is gradually reduced, and is enabled Qs1_a1 exit saturation region and is entered cut-off region.When Qs1_a1 cut-off, Qp1_ A1 is connected again.In cycles.As vac < 0, embodiment 3 is using the auto-excitation type DC-DC converter j's switched positioned at input side Self-excitation working principle when the first circuit is similar to when above-mentioned vac > 0.The effect of diode Dsj_a1 and Dpj_a1 are to protect Shield positive-negative-positive BJT pipe Qsj_a1 and Qpj_a1 simultaneously participates in vibrating.
Imitating when Figure 23 is the first circuit for the auto-excitation type DC-DC converter j that embodiment 3 is located at input side using switch True waveform diagram, embodiment 3 is located at the first circuit of the auto-excitation type DC-DC converter j of input side using switch as shown in Figure 23 When self-excitation working condition, output voltage average value Vo be greater than 0 and be less than input voltage peak value
Referring to Fig.1 8, when single-phase input form of the auto-excitation type without bridge rectifier is located at using switch the auto-excitation type of input side When second of circuit of DC-DC converter j, it includes resistance Rsj_ that the switch, which is located at the auto-excitation type DC-DC converter j of input side, B1, resistance Rsj_b2, resistance Rpj_b1, capacitor Csj_b1, capacitor Cpj_b1, positive-negative-positive BJT pipe Qsj_b1, positive-negative-positive BJT pipe Qpj_b1, diode Dsj_b1, diode Dpj_b1, inductance Lj_b1 and afterflow unit j, afterflow unit j have port cj_1, The value range of port cj_2, port cj_3 and port cj_4, j are 1 to 2, and the emitter of the positive-negative-positive BJT pipe Qsj_b1 is same When with switch be located at the port vij+ of auto-excitation type DC-DC converter j of input side, cathode, the diode of diode Dsj_b1 The cathode of Dpj_b1 is connected with the emitter of positive-negative-positive BJT pipe Qpj_b1, the base stage of positive-negative-positive BJT pipe Qsj_b1 while and diode The anode of Dsj_b1 is connected with one end of resistance Rsj_b1, and the collector of positive-negative-positive BJT pipe Qsj_b1 is simultaneously with resistance Rsj_b2's One end is connected with one end of capacitor Csj_b1, the base stage of positive-negative-positive BJT pipe Qpj_b1 while anode and electricity with diode Dpj_b1 The one end for hindering Rpj_b1 is connected, and the other end of resistance Rpj_b1 is connected with the other end of capacitor Csj_b1, positive-negative-positive BJT pipe Qpj_ The collector of the b1 port cj_1 phase with one end of capacitor Cpj_b1, one end of inductance Lj_b1 and the afterflow unit j simultaneously Even, the other end of capacitor Cpj_b1 is connected with the other end of resistance Rsj_b1, and the other end of inductance Lj_b1 is located at switch simultaneously The port cj_2 of the port vij- of auto-excitation type DC-DC converter j of input side, the other end of resistance Rsj_b2 and afterflow unit j It is connected, port voj+ of the port cj_3 of afterflow unit j with switch positioned at the auto-excitation type DC-DC converter j of input side is connected, and continues The port cj_4 and switch for flowing unit j are connected positioned at the port voj- of the auto-excitation type DC-DC converter j of input side.The inductance There are coupled relations by L1_b1 and inductance L2_b1, and one end of inductance L1_b1 and one end of inductance L2_b1 are different name ends.Afterflow list The effect of first j is to provide current channel when positive-negative-positive BJT pipe Qpj_b1 cut-off for inductance L1_b1 and inductance L2_b1.Diode The effect of Dsj_b1 is protection positive-negative-positive BJT pipe Qsj_b1.The effect of diode Dpj_b1 is protection positive-negative-positive BJT pipe Qpj_b1.
When second of the circuit for the auto-excitation type DC-DC converter j that embodiment 3 is located at input side using switch, utilize It is described switch be located at input side auto-excitation type DC-DC converter j inside inconsistency, especially positive-negative-positive BJT pipe Qpj_b1 and The inconsistency of positive-negative-positive BJT pipe Qsj_b1, generates required oscillation.As vac > 0, Qp2_b1 can be inverted, by switching position The task of voltage conversion is undertaken in the auto-excitation type DC-DC converter 1 and L2_b1 of input side;As vac < 0, Qp1_b1 can occur It is inverted, undertakes the task of voltage conversion positioned at the auto-excitation type DC-DC converter 2 and L1_b1 of input side by switching.
By taking vac > 0 as an example, explain that embodiment 3 is located at second of the auto-excitation type DC-DC converter j of input side using switch Self-excitation working principle when circuit.Assuming that positive-negative-positive BJT pipe Qp1_b1 takes the lead in being connected when vac is greater than starting voltage.Work as Qp1_b1 When conducting, Qp2_b1 is inverted, and Dp2_b1 conducting, coupling inductance L1_b1 and L2_b1 magnetize, and inductive current iL1_b1 is gradually increased, Vac is charged by Qp1_b1, Rp1_b1 and Rs1_b2 to Cs1_b1, and Cp1_b1 is discharged by Rs1_b1 and Ds1_b1, Qp1_b1 Base current be gradually reduced, and its collector current gradually increases, and enables Qp1_b1 exit saturation region and enters cut-off region.Work as Qp1_ After b1 cut-off, the magnetic energy in coupling inductance L1_b1 and L2_b1 is only discharged by L1_b1, provides electricity by afterflow unit 1 for load Energy.Meanwhile Qs1_b1 is connected, vac is charged by Qs1_b1 and Rs1_b1 to Cp1_b1, and Cs1_b1 passes through Rp1_b1 and Dp1_b1 Electric discharge, the base current of Qs1_b1 are gradually reduced, enable Qs1_b1 exit saturation region and enter cut-off region.When Qs1_b1 cut-off, Qp1_b1 is connected again.In cycles.As vac < 0, embodiment 3 is converted using the auto-excitation type DC-DC that switch is located at input side Self-excitation working principle when second of circuit of device j is similar to when above-mentioned vac > 0.The effect of diode Dsj_b1 and Dpj_b1 It is protection positive-negative-positive BJT pipe Qsj_b1 and Qpj_b1 and participates in vibrating.
Referring to Fig.1 9, when embodiment 3 is located at using switch second of circuit of the auto-excitation type DC-DC converter j of input side And afterflow unit preferred embodiment is for the moment, the afterflow unit j includes diode Daj_1 and capacitor Caj_o, diode Daj_1 Cathode be connected with the port cj_1 of the afterflow unit j, the anode of diode Daj_1 simultaneously with one end of capacitor Caj_o and The port cj_3 of the afterflow unit j is connected, the other end of capacitor Caj_o simultaneously with the port cj_2 of the afterflow unit j and Port cj_4 is connected, and the value range of j is 1 to 2.
Figure 24 is second of the circuit for the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch And simulation waveform, the as shown in Figure 24 use of embodiment 3 switch oneself for being located at input side to afterflow unit preferred embodiment for the moment Swash self-excitation working condition when second of circuit of formula DC-DC converter j, output voltage average value Vo < 0.
Referring to Figure 20, when embodiment 3 is using second of circuit for switching the auto-excitation type DC-DC converter j positioned at input side And when afterflow unit preferred embodiment two, the afterflow unit j includes capacitor Cbj_1, capacitor Cbj_o, diode Dbj_1, two Pole pipe Dbj_2 and inductance Lbj_1, one end of capacitor Cbj_1 are connected with the port cj_1 of the afterflow unit j, capacitor Cbj_1's The other end is connected with one end of the cathode of diode Dbj_1 and inductance Lbj_1 simultaneously, the other end and diode of inductance Lbj_1 The anode of Dbj_2 is connected, the cathode of diode Dbj_2 simultaneously with one end of capacitor Cbj_o and the port of the afterflow unit j Cj_3 is connected, the other end of capacitor Cbj_o simultaneously with the anode of diode Dbj_1 and the port cj_2 of the afterflow unit j It is connected with port cj_4, the value range of j is 1 to 2.Figure 25 is the self-excitation that the embodiment of the present invention 3 is located at input side using switch Simulation waveform when second of the circuit and afterflow unit preferred embodiment two of formula DC-DC converter j, implements as shown in Figure 25 The self-excitation working condition of example 3, output voltage average value Vo > 0.
Referring to Figure 21, when embodiment 3 is using second of circuit for switching the auto-excitation type DC-DC converter j positioned at input side And when afterflow unit preferred embodiment three, the afterflow unit j includes inductance Lcj_1, inductance Lcj_2, diode Dcj_1, two One end of pole pipe Dcj_2 and capacitor Ccj_o, inductance Lcj_1 are connected with the anode of diode Dcj_1, the cathode of diode Dcj_1 It is connected simultaneously with the port cj_3 of the cathode of diode Dcj_2, one end of capacitor Ccj_o and the afterflow unit j, capacitor Ccj_ The other end of the o port cj_4 phase with the other end of inductance Lcj_1, one end of inductance Lcj_2 and the afterflow unit j simultaneously Even, the other end of inductance Lcj_2 is connected with the anode of diode Dcj_2, inductance Lcj_1, inductance Lcj_2 and the inductance Lj_ B1 is Same Name of Ends there are coupled relation, the other end of inductance Lj_b1 and one end of inductance Lcj_1 and one end of inductance Lcj_2, The value range of j is 1 to 2.Figure 26 is the auto-excitation type DC-DC converter j that the embodiment of the present invention 3 is located at input side using switch Simulation waveform when second of circuit and afterflow unit preferred embodiment three, as shown in Figure 26 embodiment 3 self-excitation work shape State, output voltage average value Vo > 0.
Embodiment 4
Referring to Fig.1 5, a kind of multiphase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type that switch is located at input side DC-DC converter 1 is located at the auto-excitation type DC-DC converter n and diode D1 to diode Dn of input side to switch, switchs position There is the value of port vij+, port vij-, port voj+ and port voj-, j in the auto-excitation type DC-DC converter j of input side Range is 1 to n, and multi-phase AC power includes single phase alternating current power supply vac1 to single phase alternating current power supply vacn, single phase alternating current power supply One end of vacj is located at the cathode of the port vij+ and diode Dj of the auto-excitation type DC-DC converter j of input side with switch simultaneously It is connected, the port vij- that switch is located at the auto-excitation type DC-DC converter j of input side is connected with the anode of diode Dj, switchs position It is connected in the port voj+ of the auto-excitation type DC-DC converter j of input side with one end of load, switch is located at the auto-excitation type of input side The port voj- of DC-DC converter j is connected with the other end of load, and the anode of anode to the diode Dn of diode D1 are connected, The other end of the other end of single phase alternating current power supply vac1 to single phase alternating current power supply vacn are connected.
Referring to Fig.1 7, when multiphase input form of the auto-excitation type without bridge rectifier is located at using switch the self-excitation of input side When the first circuit of formula DC-DC converter j, it includes resistance that the switch, which is located at the auto-excitation type DC-DC converter j of input side, Rj_a1, resistance Rj_a2, capacitor Cj_a1, capacitor Cj_a2, positive-negative-positive BJT pipe Qj_a1, positive-negative-positive BJT pipe Qj_a2, diode Dj_ The value of a1, diode Dj_a2, voltage-stabiliser tube Zj_a1, voltage-stabiliser tube Zj_a2, inductance Lj_a1, inductance Lj_a2 and capacitor Cj_o, j Range is 1 to n, and the emitter of the positive-negative-positive BJT pipe Qj_a1 is located at the auto-excitation type DC-DC converter of input side with switch simultaneously The port vij+ of j is connected with the emitter of positive-negative-positive BJT pipe Qj_a2, the base stage of positive-negative-positive BJT pipe Qj_a1 simultaneously with voltage-stabiliser tube Zj_ The cathode of a1 is connected with one end of resistance Rj_a1, the collector of positive-negative-positive BJT pipe Qj_a1 while one end with inductance Lj_a1, electricity The one end for holding Cj_a1 is connected with the cathode of diode Dj_a1, and the base stage of positive-negative-positive BJT pipe Qj_a2 is simultaneously with voltage-stabiliser tube Zj_a2's Cathode is connected with one end of resistance Rj_a2, and the other end of resistance Rj_a2 is connected with the other end of capacitor Cj_a1, positive-negative-positive BJT pipe The collector of Qj_a2 is connected with one end of one end of capacitor Cj_a2, the cathode of diode Dj_a2 and inductance Lj_a2 simultaneously, electricity The other end for holding Cj_a2 is connected with the other end of resistance Rj_a1, and the other end of inductance Lj_a1 is another with inductance Lj_a2 simultaneously It holds, one end of capacitor Cj_o is connected with the port voj+ for the auto-excitation type DC-DC converter j that switch is located at input side, capacitor Cj_o The other end simultaneously with switch be located at input side auto-excitation type DC-DC converter j port voj- and port vij- and two poles The anode of pipe Dj_a1, the anode of diode Dj_a2, voltage-stabiliser tube Zj_a1 anode be connected with the anode of voltage-stabiliser tube Zj_a2.
When the first circuit for the auto-excitation type DC-DC converter j that embodiment 4 is located at input side using switch, utilize It is described switch be located at input side auto-excitation type DC-DC converter j inside inconsistency, especially positive-negative-positive BJT pipe Qj_a1 and The inconsistency of positive-negative-positive BJT pipe Qj_a2, generates required oscillation.When working as vacj > min (vac1, vac2 ..., vacn), switch Participate in undertaking the task of voltage conversion positioned at the auto-excitation type DC-DC converter j of input side.The effect of voltage-stabiliser tube Zj_a1 and Zj_a2 It is protection positive-negative-positive BJT pipe Qj_a1 and Qj_a2 and participates in vibrating.
By taking vac1=min (vac1, vac2 ..., vacn) as an example, explain embodiment 4 using switch be located at input side from Swash self-excitation working principle when the first circuit of formula DC-DC converter j.As vac1=min (vac1, vac2 ..., vacn) When, D1 conducting, the auto-excitation type DC-DC converter k that switch is located at input side participates in undertaking the task of voltage conversion, the value model of k Enclose is 2 to n.Assuming that NPN type BJT pipe Qk_a1 takes the lead in being connected when (vack-vac1) is greater than starting voltage.After Qk_a1 conducting, Inductance Lk_a1 magnetizes, and the electric current for flowing through inductance Lk_a1 gradually increases, and vack is charged by Qk_a1 and Rk_a1 to Ck_a2, Ck_ A1 is discharged by Rk_a2 and Zk_a2, and the base current of Qk_a1 is gradually reduced, and its collector current gradually increases, and enables Qk_a1 It exits saturation region and enters cut-off region.After Qk_a1 cut-off, Dk_a1 conducting, inductance Lk_a1 puts magnetic, provides electric energy for load.Together When, Qk_a2 conducting, inductance Lk_a2 magnetizes, and the electric current for flowing through inductance Lk_a2 gradually increases, and vack is given by Qk_a2 and Rk_a2 Ck_a1 charging, Ck_a2 are discharged by Rk_a1 and Zk_a1, and the base current of Qk_a2 is gradually reduced, and its collector current by It is cumulative to add, it enables Qk_a2 exit saturation region and enters cut-off region.When Qk_a2 cut-off, Dk_a2 conducting, inductance Lk_a2 puts magnetic, is negative It carries and electric energy is provided.Meanwhile Qk_a1 is connected again.In cycles, until (vack-vac1) is less than starting voltage.
Figure 27 is the embodiment of the present invention 4 (taking n=3) be located at using switch input side auto-excitation type DC-DC converter j the A kind of simulation waveform when circuit, embodiment 4 is located at the auto-excitation type DC-DC converter of input side using switch as shown in Figure 27 Self-excitation working condition when the first circuit of j, output voltage average value Vo > 0.
Referring to Fig.1 8, when multiphase input form of the auto-excitation type without bridge rectifier is located at using switch the self-excitation of input side When second of circuit of formula DC-DC converter j, it includes resistance that the switch, which is located at the auto-excitation type DC-DC converter j of input side, Rsj_b1, resistance Rsj_b2, resistance Rpj_b1, capacitor Csj_b1, capacitor Cpj_b1, positive-negative-positive BJT pipe Qsj_b1, positive-negative-positive BJT Pipe Qpj_b1, diode Dsj_b1, diode Dpj_b1, inductance Lj_b1 and afterflow unit j, afterflow unit j have port cj_ 1, the value range of port cj_2, port cj_3 and port cj_4, j are 1 to n, the emitter of the positive-negative-positive BJT pipe Qsj_b1 It is located at the port vij+ of the auto-excitation type DC-DC converter j of input side, cathode, the diode of diode Dsj_b1 with switch simultaneously The cathode of Dpj_b1 is connected with the emitter of positive-negative-positive BJT pipe Qpj_b1, the base stage of positive-negative-positive BJT pipe Qsj_b1 while and diode The anode of Dsj_b1 is connected with one end of resistance Rsj_b1, and the collector of positive-negative-positive BJT pipe Qsj_b1 is simultaneously with resistance Rsj_b2's One end is connected with one end of capacitor Csj_b1, the base stage of positive-negative-positive BJT pipe Qpj_b1 while anode and electricity with diode Dpj_b1 The one end for hindering Rpj_b1 is connected, and the other end of resistance Rpj_b1 is connected with the other end of capacitor Csj_b1, positive-negative-positive BJT pipe Qpj_ The collector of the b1 port cj_1 phase with one end of capacitor Cpj_b1, one end of inductance Lj_b1 and the afterflow unit j simultaneously Even, the other end of capacitor Cpj_b1 is connected with the other end of resistance Rsj_b1, and the other end of inductance Lj_b1 is located at switch simultaneously The port cj_2 of the port vij- of auto-excitation type DC-DC converter j of input side, the other end of resistance Rsj_b2 and afterflow unit j It is connected, port voj+ of the port cj_3 of afterflow unit j with switch positioned at the auto-excitation type DC-DC converter j of input side is connected, and continues The port cj_4 and switch for flowing unit j are connected positioned at the port voj- of the auto-excitation type DC-DC converter j of input side.Afterflow unit j Effect be for inductance Lj_b1 to provide current channel when positive-negative-positive BJT pipe Qpj_b1 cut-off.
When second of the circuit for the auto-excitation type DC-DC converter j that embodiment 4 is located at input side using switch, utilize It is described switch be located at input side auto-excitation type DC-DC converter j inside inconsistency, especially positive-negative-positive BJT pipe Qpj_b1 and The inconsistency of positive-negative-positive BJT pipe Qsj_b1, generates required oscillation.When working as vacj > min (vac1, vac2 ..., vacn), open Off-position participates in undertaking the task of voltage conversion in the auto-excitation type DC-DC converter j of input side.Diode Dsj_b1's and Dpj_b1 Effect is protection positive-negative-positive BJT pipe Qsj_b1 and Qpj_b1 and participates in vibrating.
By taking vac1=min (vac1, vac2 ..., vacn) as an example, explain embodiment 4 using switch be located at input side from Swash self-excitation working principle when second of circuit of formula DC-DC converter j.As vac1=min (vac1, vac2 ..., vacn) When, D1 conducting, the auto-excitation type DC-DC converter k that switch is located at input side participates in undertaking the task of voltage conversion, the value model of k Enclose is 2 to n.Assuming that NPN type BJT pipe Qpk_b1 takes the lead in being connected when (vack-vac1) is greater than starting voltage.When Qpk_b1 is connected Afterwards, inductance Lk_b1 magnetizes, and the electric current for flowing through inductance Lk_b1 gradually increases, and vack is given by Qpk_b1, Rpk_b1 and Rsk_b2 Csk_b1 charging, Cpk_b1 are discharged by Rsk_b1 and Dsk_b1, and the base current of Qpk_b1 is gradually reduced, and its collector is electric Stream gradually increases, and enables Qpk_b1 exit saturation region and enters cut-off region.After Qpk_b1 cut-off, inductance Lk_b1 puts magnetic, passes through afterflow Unit k provides electric energy for load.Meanwhile Qsk_b1 is connected, vack is charged by Qsk_b1 and Rsk_b1 to Cpk_b1, Csk_b1 It is discharged by Rpk_b1 and Dpk_b1, the base current of Qsk_b1 is gradually reduced, enables Qsk_b1 exit saturation region and enter cut-off region. When Qsk_b1 cut-off, Qpk_b1 is connected again.In cycles, until (vack-vac1) is less than starting voltage.
Referring to Fig.1 9, when embodiment 4 is located at using switch second of circuit of the auto-excitation type DC-DC converter j of input side And afterflow unit preferred embodiment is for the moment, the afterflow unit j includes diode Daj_1 and capacitor Caj_o, diode Daj_1 Cathode be connected with the port cj_1 of the afterflow unit j, the anode of diode Daj_1 simultaneously with one end of capacitor Caj_o and The port cj_3 of the afterflow unit j is connected, the other end of capacitor Caj_o simultaneously with the port cj_2 of the afterflow unit j and Port cj_4 is connected, and the value range of j is 1 to n.Figure 28 is the self-excitation that embodiment 4 (taking n=3) is located at input side using switch Second of the circuit and afterflow unit preferred embodiment of formula DC-DC converter j simulation waveform for the moment, implements as shown in Figure 28 The self-excitation working condition of example 4, output voltage average value Vo < 0.
Referring to Figure 20, when embodiment 4 is using second of circuit for switching the auto-excitation type DC-DC converter j positioned at input side And when afterflow unit preferred embodiment two, the afterflow unit j includes capacitor Cbj_1, capacitor Cbj_o, diode Dbj_1, two Pole pipe Dbj_2 and inductance Lbj_1, one end of capacitor Cbj_1 are connected with the port cj_1 of the afterflow unit j, capacitor Cbj_1's The other end is connected with one end of the cathode of diode Dbj_1 and inductance Lbj_1 simultaneously, the other end and diode of inductance Lbj_1 The anode of Dbj_2 is connected, the cathode of diode Dbj_2 simultaneously with one end of capacitor Cbj_o and the port of the afterflow unit j Cj_3 is connected, the other end of capacitor Cbj_o simultaneously with the anode of diode Dbj_1 and the port cj_2 of the afterflow unit j It is connected with port cj_4, the value range of j is 1 to n.Figure 29 is that embodiment 4 (taking n=3) use switchs oneself for being located at input side Swash simulation waveform when second of the circuit and afterflow unit preferred embodiment two of formula DC-DC converter j, it is real as shown in Figure 29 Self-excitation working condition when second of the circuit for the auto-excitation type DC-DC converter j that example 4 uses switch to be located at input side is applied, it is defeated Average voltage Vo > 0 out.
Referring to Figure 22, when embodiment 4 is using second of circuit for switching the auto-excitation type DC-DC converter j positioned at input side And when afterflow unit preferred embodiment four, the afterflow unit j includes inductance Lcj_1, diode Dcj_1 and capacitor Ccj_o, electricity One end of sense Lcj_1 is connected with the anode of diode Dcj_1, the cathode of diode Dcj_1 and meanwhile with one end of capacitor Ccj_o and The port cj_3 of the afterflow unit j is connected, the other end of capacitor Ccj_o simultaneously with the other end of inductance Lcj_1 and described continuous The port cj_4 for flowing unit j is connected, inductance Lcj_1 and the inductance Lj_b1 there are coupled relation, one end of inductance Lj_b1 and One end of inductance Lcj_1 is different name end, and the value range of j is 1 to n.Figure 30 is that embodiment 4 (taking n=3) uses switch positioned at defeated Enter simulation waveform when second of the circuit and afterflow unit preferred embodiment four of the auto-excitation type DC-DC converter j of side, by scheming Self-excitation work shape when second of the circuit for the auto-excitation type DC-DC converter j that embodiment 4 known to 30 is located at input side using switch State, output voltage average value Vo > 0.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention Range should not be construed as being limited to the specific forms stated in the embodiments, and protection scope of the present invention is also and in this field skill Art personnel conceive according to the present invention it is conceivable that equivalent technologies mean.

Claims (9)

1. a kind of auto-excitation type is without bridge rectifier, it is characterised in that: the auto-excitation type is located at input side without bridge rectifier, including inductance Auto-excitation type DC-DC converter 1 and inductance is located at the auto-excitation type DC-DC converter 2 of input side or inductance is located at input side Auto-excitation type DC-DC converter 1 to inductance is located at the auto-excitation type DC-DC converter n of input side, and the inductance is located at oneself of input side Swashing formula DC-DC converter j has port vij+, port vij-, port voj+, port voj- and the reversible spy of input current Point, the value range of j are 1 to 2 or 1 to n,
The auto-excitation type has single-phase or multiphase input form without bridge rectifier:
Single-phase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC converter 1 that inductance is located at input side It is located at the auto-excitation type DC-DC converter 2 of input side with inductance, one end of single phase alternating current power supply vac and inductance are located at input side The port vi1+ of auto-excitation type DC-DC converter 1 is connected, and the other end and inductance of single phase alternating current power supply vac is located at oneself of input side Swash formula DC-DC converter 2 port vi2+ be connected, inductance be located at the auto-excitation type DC-DC converter 1 of input side port vi1- and The port vi2- that inductance is located at the auto-excitation type DC-DC converter 2 of input side is connected, and inductance is located at the auto-excitation type DC-DC of input side The port voj+ of converter j is connected with one end of load, and inductance is located at the port of the auto-excitation type DC-DC converter j of input side Voj- is connected with the other end of load, and the value range of j is 1 to 2;
Multiphase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC converter 1 that inductance is located at input side It is located at the auto-excitation type DC-DC converter n of input side to inductance, multi-phase AC power includes single phase alternating current power supply vac1 to blow-up One end of galvanic electricity source vacn, single phase alternating current power supply vacj and inductance are located at the port of the auto-excitation type DC-DC converter j of input side Vij+ is connected, and the port voj+ that inductance is located at the auto-excitation type DC-DC converter j of input side is connected with one end of load, inductance position It is connected in the port voj- of the auto-excitation type DC-DC converter j of input side with the other end of load, inductance is located at the self-excitation of input side The port vin- of the port vi1- of formula DC-DC converter 1 to the auto-excitation type DC-DC converter n that inductance is located at input side are connected, single The other end of the other end of phase AC power source vac1 to single phase alternating current power supply vacn are connected, and the value range of j is 1 to n.
2. auto-excitation type as described in claim 1 is without bridge rectifier, it is characterised in that: the inductance is located at the auto-excitation type of input side DC-DC converter j includes resistance Rsj_1, resistance Rsj_2, resistance Rpj_a1, inductance Lpj_a1, capacitor Csj_1, capacitor Cpj_ A1, NPN type BJT pipe Qsj_1, NPN type BJT pipe Qpj_a1, diode Dsj_1, diode Dpj_a1 and afterflow module caj, j's Value range is 1 to 2 or 1 to n, and afterflow module caj has port caj_1, port caj_2, port caj_3 and port caj_ 4, the inductance is located at the port vij+ of the auto-excitation type DC-DC converter j of input side one end with resistance Rsj_2 and inductance simultaneously One end of Lpj_a1 is connected, the other end of resistance Rsj_2 simultaneously with one end of capacitor Csj_1 and the collection of NPN type BJT pipe Qsj_1 Electrode is connected, and the base stage of NPN type BJT pipe Qsj_1 is connected with the cathode of one end of resistance Rsj_1 and diode Dsj_1 simultaneously, electricity Feel the other end of Lpj_a1 while collector and afterflow module caj with one end of capacitor Cpj_a1, NPN type BJT pipe Qpj_a1 Port caj_1 be connected, the other end of capacitor Cpj_a1 is connected with the other end of resistance Rsj_1, NPN type BJT pipe Qpj_a1's Base stage is connected with the cathode of one end of resistance Rpj_a1 and diode Dpj_a1 simultaneously, the other end and capacitor of resistance Rpj_a1 The other end of Csj_1 is connected, and the inductance is located at the port vij- of the auto-excitation type DC-DC converter j of input side while and NPN type The emitter of BJT pipe Qsj_1, the anode of diode Dsj_1, the anode of diode Dpj_a1, NPN type BJT pipe Qpj_a1 hair Emitter-base bandgap grading is connected with the port caj_3 of afterflow module caj, and the inductance is located at the port of the auto-excitation type DC-DC converter j of input side Voj+ is connected with the port caj_2 of afterflow module caj, and the inductance is located at the port of the auto-excitation type DC-DC converter j of input side Voj- is connected with the port caj_4 of afterflow module caj;
The afterflow module caj includes afterflow modular unit cj_1, and afterflow modular unit cj_1 has subport cj_1_1, sub- end The port caj_1 and afterflow modular unit of mouth cj_1_2, subport cj_1_3 and subport cj_1_4, the afterflow module caj The subport cj_1_1 of cj_1 is connected, the subport of the port caj_2 and afterflow modular unit cj_1 of the afterflow module caj Cj_1_2 is connected, and the port caj_3 of the afterflow module caj is connected with the subport cj_1_3 of afterflow modular unit cj_1, institute The port caj_4 for stating afterflow module caj is connected with the subport cj_1_4 of afterflow modular unit cj_1, afterflow modular unit cj_1 Effect be for inductance Lpj_a1 to provide current channel when NPN type BJT pipe Qpj_a1 cut-off;
When the auto-excitation type uses single-phase input form without bridge rectifier, can enabling inductance Lp1_a1 and inductance Lp2_a1, there are couplings Conjunction relationship, one end of inductance Lp1_a1 and one end of inductance Lp2_a1 are different name ends.
3. auto-excitation type as described in claim 1 is without bridge rectifier, it is characterised in that: the inductance is located at the auto-excitation type of input side DC-DC converter j includes resistance Rpj_b1, resistance Rpj_b2, inductance Lpj_b1, inductance Lpj_b2, capacitor Cpj_b1, capacitor Cpj_b2, NPN type BJT pipe Qpj_b1, NPN type BJT pipe Qpj_b2, diode Dpj_b1, diode Dpj_b2 and afterflow module The value range of cbj, j are 1 to 2 or 1 to n, and afterflow module cbj has port cbj_1, port cbj_2, port cbj_3, end Mouth cbj_4 and port cbj_5, the inductance are located at the port vij+ of the auto-excitation type DC-DC converter j of input side while and inductance One end of Lpj_b1 is connected with one end of inductance Lpj_b2, the other end of inductance Lpj_b1 simultaneously with one end of capacitor Cpj_b1, The collector of NPN type BJT pipe Qpj_b1 is connected with the port cbj_1 of afterflow module cbj, and the base stage of NPN type BJT pipe Qpj_b1 is same When be connected with one end of the cathode of diode Dpj_b1 and resistance Rpj_b1, the other end of inductance Lpj_b2 simultaneously with capacitor Cpj_ One end of b2, the collector of NPN type BJT pipe Qpj_b2 are connected with the port cbj_5 of afterflow module cbj, and capacitor Cpj_b2's is another One end is connected with the other end of resistance Rpj_b1, the base stage of NPN type BJT pipe Qpj_b2 simultaneously with the cathode of diode Dpj_b2 and One end of resistance Rpj_b2 is connected, and the other end of resistance Rpj_b2 is connected with the other end of capacitor Cpj_b1, and the inductance is located at The port vij- of the auto-excitation type DC-DC converter j of input side emitter, the diode Dpj_ with NPN type BJT pipe Qpj_b1 simultaneously The anode of b1, the emitter of NPN type BJT pipe Qpj_b2, the anode of diode Dpj_b2 and the port cbj_3 of afterflow module cbj It is connected, the inductance is located at the port cbj_2 of the port voj+ and afterflow module cbj of the auto-excitation type DC-DC converter j of input side It is connected, the inductance is located at the port cbj_4 of the port voj- and afterflow module cbj of the auto-excitation type DC-DC converter j of input side It is connected;
The afterflow module cbj includes afterflow modular unit cj_1 and afterflow modular unit cj_2, the end of the afterflow module cbj Mouthful cbj_1 is connected with the subport cj_1_1 of afterflow modular unit cj_1, the port cbj_2 of the afterflow module cbj and meanwhile with The subport cj_1_2 of afterflow modular unit cj_1 is connected with the subport cj_2_2 of afterflow modular unit cj_2, the afterflow mould The sub- end with the subport cj_1_3 and afterflow modular unit cj_2 of afterflow modular unit cj_1 simultaneously the port cbj_3 of block cbj Mouthful cj_2_3 is connected, the port cbj_4 of the afterflow module cbj simultaneously with the subport cj_1_4 of afterflow modular unit cj_1 and The subport cj_2_4 of afterflow modular unit cj_2 is connected, the port cbj_5 and afterflow modular unit of the afterflow module cbj The subport cj_2_1 of cj_2 is connected, and the effect of afterflow modular unit cj_1 is when NPN type BJT pipe Qpj_b1 cut-off for inductance Lpj_b1 provides current channel, and the effect of afterflow modular unit cj_2 is when NPN type BJT pipe Qpj_b2 cut-off for inductance Lpj_ B2 provides current channel.
4. auto-excitation type as claimed in claim 2 or claim 3 is without bridge rectifier, it is characterised in that: the afterflow modular unit cj_k packet Include diode Dcj_k_a1 and capacitor Ccj_k_a1, the anode of diode Dcj_k_a1 and the subport of afterflow modular unit cj_k Cj_k_1 is connected, the cathode of diode Dcj_k_a1 simultaneously with one end of capacitor Ccj_k_a1 and the son of afterflow modular unit cj_k Port cj_k_2 is connected, the other end of capacitor Ccj_k_a1 the subport cj_k_3 with afterflow modular unit cj_k and sub- end simultaneously Mouth cj_k_4 is connected, and the value range of k is 1 to 2;Alternatively, the afterflow modular unit cj_k includes capacitor Ccj_k_b1, capacitor Ccj_k_b2, inductance Lcj_k_b1, diode Dcj_k_b1 and diode Dcj_k_b2, one end of capacitor Ccj_k_b1 and afterflow The subport cj_k_1 of modular unit cj_k is connected, the other end of capacitor Ccj_k_b1 while the anode with diode Dcj_k_b1 It is connected with one end of inductance Lcj_k_b1, the other end of inductance Lcj_k_b1 is connected with the cathode of diode Dcj_k_b2, two poles The anode of pipe Dcj_k_b2 is connected with the subport cj_k_2 of one end of capacitor Ccj_k_b2 and afterflow modular unit cj_k simultaneously, The other end of the capacitor Ccj_k_b2 subport cj_k_3 and subport cj_k_4 and two with afterflow modular unit cj_k simultaneously The cathode of pole pipe Dcj_k_b1 is connected, and the value range of k is 1 to 2;Alternatively, the afterflow modular unit cj_k includes capacitor Ccj_k_c1, capacitor Ccj_k_c2, inductance Lcj_k_c1, diode Dcj_k_c1 and diode Dcj_k_c2, capacitor Ccj_k_ One end of c1 is connected with the subport cj_k_1 of afterflow modular unit cj_k, the other end of capacitor Ccj_k_c1 while and diode The anode of Dcj_k_c2 is connected with one end of inductance Lcj_k_c1, the cathode of diode Dcj_k_c2 simultaneously with capacitor Ccj_k_c2 One end be connected with the subport cj_k_2 of afterflow modular unit cj_k, the other end of inductance Lcj_k_c1 and diode Dcj_k_ The cathode of c1 is connected, the anode of diode Dcj_k_c1 while subport cj_k_3 and subport with afterflow modular unit cj_k The other end of cj_k_4 and capacitor Ccj_k_c2 are connected, and the value range of k is 1 to 2.
5. a kind of auto-excitation type is without bridge rectifier, it is characterised in that: the auto-excitation type includes that switch is located at input side without bridge rectifier Auto-excitation type DC-DC converter 1 and switch is located at the auto-excitation type DC-DC converter 2 of input side or switch is located at input side Auto-excitation type DC-DC converter 1 is located at the auto-excitation type DC-DC converter n of input side to switch, the switch be located at input side from Swashing formula DC-DC converter j has a port vij+, port vij-, port voj+, port voj-, the value range of j be 1 to 2 or 1 to n,
The auto-excitation type has single-phase or multiphase input form without bridge rectifier:
Single-phase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC converter 1 that switch is located at input side It is located at the auto-excitation type DC-DC converter 2 of input side with switch, switch is located at the auto-excitation type DC-DC converter 1 and switch of input side All have the characteristics that input current is reversible positioned at the auto-excitation type DC-DC converter 2 of input side, one end of single phase alternating current power supply vac The port vi1+ for being located at the auto-excitation type DC-DC converter 1 of input side with switch is connected, and switch is located at the auto-excitation type DC- of input side The port vi1- of DC converter 1 is connected with the port vi2- for the auto-excitation type DC-DC converter 2 that switch is located at input side, blow-up The other end of galvanic electricity source vac is connected with the port vi2+ for the auto-excitation type DC-DC converter 2 that switch is located at input side, and load is just It holds vo+ to be located at the port vo1+ of the auto-excitation type DC-DC converter 1 of input side with switch simultaneously and switchs the self-excitation for being located at input side The port vo2+ of formula DC-DC converter 2 is connected, and the auto-excitation type DC-DC that the negative terminal vo- of load is located at input side with switch simultaneously becomes The port vo1- of parallel operation 1 is connected with the port vo2- for the auto-excitation type DC-DC converter 2 that switch is located at input side, the value range of j It is 1 to 2;
Multiphase input form of the auto-excitation type without bridge rectifier includes the auto-excitation type DC-DC converter 1 that switch is located at input side It is located at the auto-excitation type DC-DC converter n and diode D1 to diode Dn of input side to switch, multi-phase AC power includes single One end of phase AC power source vac1 to single phase alternating current power supply vacn, single phase alternating current power supply vacj are located at input side with switch simultaneously The port vij+ of auto-excitation type DC-DC converter j is connected with the cathode of diode Dj, and switch is located at the auto-excitation type DC-DC of input side The port vij- of converter j is connected with the anode of diode Dj, and switch is located at the end of the auto-excitation type DC-DC converter j of input side Mouth voj+ is connected with one end of load, switchs the another of the port voj- and load for being located at the auto-excitation type DC-DC converter j of input side One end is connected, and the anode of the anode of diode D1 to diode Dn is connected, the other end of single phase alternating current power supply vac1 to blow-up The other end of galvanic electricity source vacn is connected, and the value range of j is 1 to n.
6. auto-excitation type as claimed in claim 5 is without bridge rectifier, it is characterised in that: when the auto-excitation type is used without bridge rectifier When single-phase input form, it includes resistance Rsj_a1, resistance Rsj_ that the switch, which is located at the auto-excitation type DC-DC converter j of input side, A2, resistance Rpj_a1, capacitor Csj_a1, capacitor Cpj_a1, positive-negative-positive BJT pipe Qsj_a1, positive-negative-positive BJT pipe Qpj_a1, diode Dsj_a1, diode Dpj_a1, diode Dj_a1, inductance Lj_a1 and capacitor Cj_ao, j value range be 1 to 2, it is described The emitter of positive-negative-positive BJT pipe Qsj_a1 is located at the port vij+ of the auto-excitation type DC-DC converter j of input side, two with switch simultaneously The cathode of pole pipe Dsj_a1, the cathode of diode Dpj_a1 are connected with the emitter of positive-negative-positive BJT pipe Qpj_a1, positive-negative-positive BJT pipe The base stage of Qsj_a1 is connected with one end of the anode of diode Dsj_a1 and resistance Rsj_a1 simultaneously, positive-negative-positive BJT pipe Qsj_a1's Collector is connected with one end of one end of resistance Rsj_a2 and capacitor Csj_a1 simultaneously, and the base stage of positive-negative-positive BJT pipe Qpj_a1 is simultaneously It is connected with one end of the anode of diode Dpj_a1 and resistance Rpj_a1, the other end of resistance Rpj_a1 is another with capacitor Csj_a1's One end is connected, the collector of positive-negative-positive BJT pipe Qpj_a1 while cathode and electricity with one end of capacitor Cpj_a1, diode Dj_a1 The one end for feeling Lj_a1 is connected, and the other end of capacitor Cpj_a1 is connected with the other end of resistance Rsj_a1, and inductance Lj_a1's is another The port voj+ for the auto-excitation type DC-DC converter j that end is located at input side with one end of capacitor Cj_ao and switch simultaneously is connected, electricity Hold Cj_ao the other end simultaneously with switch be located at input side auto-excitation type DC-DC converter j port voj- and port vij-, The other end of resistance Rsj_a2 and the anode of diode Dj_a1 are connected, and the inductance L1_a1 and inductance L2_a1 have coupling Relationship, one end of inductance L1_a1 and one end of inductance L2_a1 are different name ends.
7. auto-excitation type as claimed in claim 5 is without bridge rectifier, it is characterised in that: when the auto-excitation type is used without bridge rectifier When multiphase input form, it is described switch be located at input side auto-excitation type DC-DC converter j include resistance Rj_a1, resistance Rj_a2, Capacitor Cj_a1, capacitor Cj_a2, positive-negative-positive BJT pipe Qj_a1, positive-negative-positive BJT pipe Qj_a2, diode Dj_a1, diode Dj_a2, Voltage-stabiliser tube Zj_a1, voltage-stabiliser tube Zj_a2, inductance Lj_a1, inductance Lj_a2 and capacitor Cj_o, j value range be 1 to n, it is described The emitter of positive-negative-positive BJT pipe Qj_a1 be located at simultaneously with switch the auto-excitation type DC-DC converter j of input side port vij+ and The emitter of positive-negative-positive BJT pipe Qj_a2 is connected, the base stage of positive-negative-positive BJT pipe Qj_a1 while cathode and electricity with voltage-stabiliser tube Zj_a1 The one end for hindering Rj_a1 is connected, the collector of positive-negative-positive BJT pipe Qj_a1 simultaneously with one end of inductance Lj_a1, capacitor Cj_a1 one End is connected with the cathode of diode Dj_a1, the base stage of positive-negative-positive BJT pipe Qj_a2 while cathode and resistance with voltage-stabiliser tube Zj_a2 One end of Rj_a2 is connected, and the other end of resistance Rj_a2 is connected with the other end of capacitor Cj_a1, the collection of positive-negative-positive BJT pipe Qj_a2 Electrode is connected with one end of one end of capacitor Cj_a2, the cathode of diode Dj_a2 and inductance Lj_a2 simultaneously, capacitor Cj_a2's The other end is connected with the other end of resistance Rj_a1, the other end of inductance Lj_a1 while the other end, capacitor with inductance Lj_a2 One end of Cj_o is connected with the port voj+ for the auto-excitation type DC-DC converter j that switch is located at input side, the other end of capacitor Cj_o It is located at the port voj- and port vij- and diode Dj_a1 of the auto-excitation type DC-DC converter j of input side with switch simultaneously Anode, the anode of diode Dj_a2, voltage-stabiliser tube Zj_a1 anode be connected with the anode of voltage-stabiliser tube Zj_a2.
8. auto-excitation type as claimed in claim 5 is without bridge rectifier, it is characterised in that: the switch is located at the auto-excitation type of input side DC-DC converter j includes resistance Rsj_b1, resistance Rsj_b2, resistance Rpj_b1, capacitor Csj_b1, capacitor Cpj_b1, positive-negative-positive BJT pipe Qsj_b1, positive-negative-positive BJT pipe Qpj_b1, diode Dsj_b1, diode Dpj_b1, inductance Lj_b1 and afterflow unit j, Afterflow unit j has port cj_1, port cj_2, port cj_3 and port cj_4, the transmitting of the positive-negative-positive BJT pipe Qsj_b1 Pole is located at the port vij+ of auto-excitation type DC-DC converter j, the cathode of diode Dsj_b1, two poles of input side with switch simultaneously The cathode of pipe Dpj_b1 is connected with the emitter of positive-negative-positive BJT pipe Qpj_b1, the base stage of positive-negative-positive BJT pipe Qsj_b1 simultaneously with two poles The anode of pipe Dsj_b1 is connected with one end of resistance Rsj_b1, the collector of positive-negative-positive BJT pipe Qsj_b1 simultaneously with resistance Rsj_b2 One end be connected with one end of capacitor Csj_b1, the base stage of positive-negative-positive BJT pipe Qpj_b1 simultaneously with the anode of diode Dpj_b1 and One end of resistance Rpj_b1 is connected, and the other end of resistance Rpj_b1 is connected with the other end of capacitor Csj_b1, positive-negative-positive BJT pipe The collector of the Qpj_b1 port cj_1 with one end of capacitor Cpj_b1, one end of inductance Lj_b1 and the afterflow unit j simultaneously Be connected, the other end of capacitor Cpj_b1 is connected with the other end of resistance Rsj_b1, the other end of inductance Lj_b1 at the same with switch position In the port vij- of auto-excitation type DC-DC converter j of input side, the port cj_ of the other end of resistance Rsj_b2 and afterflow unit j 2 are connected, and port voj+ of the port cj_3 of afterflow unit j with switch positioned at the auto-excitation type DC-DC converter j of input side is connected, The port cj_4 of afterflow unit j is connected with the port voj- for the auto-excitation type DC-DC converter j that switch is located at input side, the value of j Range is 1 to 2 or 1 to n, and the effect of afterflow unit j is to provide electricity when positive-negative-positive BJT pipe Qpj_b1 cut-off for inductance Lj_b1 Circulation road;
When the auto-excitation type uses single-phase input form without bridge rectifier, there is coupling in the inductance L1_b1 and inductance L2_b1 Relationship, one end of inductance L1_b1 and one end of inductance L2_b1 are different name ends.
9. auto-excitation type as claimed in claim 8 is without bridge rectifier, it is characterised in that: the afterflow unit j includes diode Daj_1 and capacitor Caj_o, the cathode of diode Daj_1 are connected with the port cj_1 of the afterflow unit j, diode Daj_1's Anode is connected with the port cj_3 of one end of capacitor Caj_o and the afterflow unit j simultaneously, and the other end of capacitor Caj_o is simultaneously It is connected with the port cj_2 and port cj_4 of the afterflow unit j, the value range of j is 1 to 2 or 1 to n;Alternatively, described continuous Stream unit j includes capacitor Cbj_1, capacitor Cbj_o, diode Dbj_1, diode Dbj_2 and inductance Lbj_1, capacitor Cbj_1's One end is connected with the port cj_1 of the afterflow unit j, the other end of capacitor Cbj_1 simultaneously with the cathode of diode Dbj_1 and One end of inductance Lbj_1 is connected, and the other end of inductance Lbj_1 is connected with the anode of diode Dbj_2, the yin of diode Dbj_2 Pole is connected with the port cj_3 of one end of capacitor Cbj_o and the afterflow unit j simultaneously, the other end of capacitor Cbj_o simultaneously with The port cj_2 of the anode of diode Dbj_1 and the afterflow unit j are connected with port cj_4, and the value range of j is 1 to 2 Or 1 to n;Alternatively, the afterflow unit j include inductance Lcj_1, inductance Lcj_2, diode Dcj_1, diode Dcj_2 and One end of capacitor Ccj_o, inductance Lcj_1 are connected with the anode of diode Dcj_1, the cathode of diode Dcj_1 simultaneously with two poles The cathode of pipe Dcj_2, one end of capacitor Ccj_o are connected with the port cj_3 of the afterflow unit j, the other end of capacitor Ccj_o It is connected simultaneously with the port cj_4 of the other end of inductance Lcj_1, one end of inductance Lcj_2 and the afterflow unit j, inductance Lcj_ 2 other end is connected with the anode of diode Dcj_2, and inductance Lcj_1, inductance Lcj_2 and the inductance Lj_b1 have coupling and close System, the other end of inductance Lj_b1 and one end of inductance Lcj_1 and one end of inductance Lcj_2 are Same Name of Ends, the value range of j It is 1 to 2;Alternatively, the afterflow unit j includes inductance Lcj_1, diode Dcj_1 and capacitor Ccj_o, one end of inductance Lcj_1 It is connected with the anode of diode Dcj_1, the cathode of diode Dcj_1 one end with capacitor Ccj_o and the afterflow unit j simultaneously Port cj_3 be connected, the other end of capacitor Ccj_o simultaneously with the other end of inductance Lcj_1 and the port of the afterflow unit j Cj_4 is connected, and inductance Lcj_1 and the inductance Lj_b1 are there are coupled relation, and the one of one end of inductance Lj_b1 and inductance Lcj_1 End is different name end, and the value range of j is 1 to n.
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CN201810281111.2A CN108336916A (en) 2018-04-02 2018-04-02 Switch is located at the auto-excitation type multiphase of input side without bridge rectifier
CN2018102811112 2018-04-02
CN201810281113.1A CN108494251A (en) 2018-04-02 2018-04-02 Auto-excitation type single-phase no bridge rectifier of the switch positioned at input side
CN2018102811131 2018-04-02
CN2018102809517 2018-04-02
CN201810280951.7A CN108347186A (en) 2018-04-02 2018-04-02 Inductance is located at the single-phase no bridge rectifier of auto-excitation type of input side
CN201810280977.1A CN108418446A (en) 2018-04-02 2018-04-02 Inductance is located at the auto-excitation type multiphase of input side without bridge rectifier
CN2018102809771 2018-04-02

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CN101383530A (en) * 2008-06-25 2009-03-11 邹伟明 Structural energy battery capable of long-term self-sensing electricity generation and transmission
CN202121508U (en) * 2011-07-14 2012-01-18 李美华 Self-excited miniwatt switch power supply
CN102710110A (en) * 2012-05-30 2012-10-03 广州金升阳科技有限公司 Short-circuit protection method for self-excitation push-pull type convertor
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