CN108336906A - Inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side - Google Patents
Inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side Download PDFInfo
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- CN108336906A CN108336906A CN201810280945.1A CN201810280945A CN108336906A CN 108336906 A CN108336906 A CN 108336906A CN 201810280945 A CN201810280945 A CN 201810280945A CN 108336906 A CN108336906 A CN 108336906A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
- H02M3/1586—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel switched with a phase shift, i.e. interleaved
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
A kind of inductance is located at the auto-excitation type crisscross parallel dcdc converter of input side, including autonomous units and afterflow module c1 to afterflow module cn, the autonomous units include inductance Lp1_1 to inductance Lpn_1, resistance Rp1_1 to resistance Rpn_1, Rp1_2 to resistance Rpn_2, capacitance Cp1_1 to capacitance Cpn_1, NPN type BJT pipes Qp1_1 to NPN type BJT pipes Qpn_1 and diode Dp1_1 to diode Dpn_1.Wherein, Rp1_1 to Rpn_1 is start-up resistor.The present invention is easy to multichannel " interlocking " autonomous units of starting of oscillation by structure, and the auto-excitation type crisscross parallel dcdc converter that inductance is located at input side can be enabled to be easy to extend, and increases capacity;It is easy to starting of oscillation, the component to participating in self-excitation requires low;Component without similar synchronizing generator.
Description
Technical field
The present invention relates to the auto-excitation type crisscross parallel DC-DC converters that inductance is located at input side, and it is defeated to be especially suitable for low-voltage
The workplace entered, such as:Collection of energy, LED drivings, accessory power supply etc..
Background technology
The DC-DC converter that common inductance is located at input side includes Boost, Cuk converters, Sepic transformation
Device and Flyback converters.When they are worked in a manner of crisscross parallel, you can to realize dilatation, and input can be reduced
The ripple of electric current.Existing crisscross parallel scheme needs the component of similar synchronizing generator by multiple independent inductance positions mostly
It works together in the DC-DC converter combination and cooperation of input side.It is many independent but when synchronizing generator breaks down
The DC-DC converter that inductance is located at input side would become hard to maintain original orderly collaborative work mode.
Invention content
In order to which the auto-excitation type crisscross parallel DC-DC converter for overcoming existing inductance to be located at input side needs similar synchronous generation
The deficiency of device component, the present invention provide a kind of auto-excitation type crisscross parallel DC-DC converter that inductance is located at input side and (cover
Boost), not only starting of oscillation is easy for it, and the component without similar synchronizing generator can be in a manner of crisscross parallel
Work.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side, including autonomous units and afterflow module
For c1 to afterflow module cn, the autonomous units include inductance Lp1_1 to inductance Lpn_1, resistance Rp1_1 to resistance Rpn_1, resistance
Rp1_2 to resistance Rpn_2, capacitance Cp1_1 are to capacitance Cpn_1, NPN type BJT pipes Qp1_1 to NPN type BJT pipes Qpn_1 and two poles
Pipe Dp1_1 to diode Dpn_1, the afterflow module cj have port cj_1, port cj_2, port cj_3 and port cj_4, j
Value range be 1 to n, the effect of the afterflow module cj is provided for inductance Lpj_1 when NPN type BJT pipes Qpj_1 ends
Current channel;
One end of the inductance Lpj_1 is connected with the anode of power supply Vi, the other end of inductance Lpj_1 simultaneously with capacitance Cpj_
1 one end, the collector of NPN type BJT pipes Qpj_1 are connected with the port cj_1 of afterflow module cj, the base of NPN type BJT pipes Qpj_1
Pole is connected with the cathode of one end of resistance Rpj_1, one end of resistance Rpj_2 and diode Dpj_1 simultaneously, NPN type BJT pipes Qpj_
1 emitter is connected with the negative terminal of the anode of diode Dpj_1, the port cj_3 of afterflow module cj and power supply Vi simultaneously, afterflow
The port cj_2 of module cj is connected with one end of load Z, and the port cj_4 of afterflow module cj is connected with the other end of load Z, j's
Value range is 1 to n, and the other end of resistance Rp1_2 is connected with the other end of capacitance Cp2_1, and so on, resistance Rpn-1_2
The other end be connected with the other end of capacitance Cpn_1, the other end of resistance Rpn_2 is connected with the other end of capacitance Cp1_1;
The other end of resistance Rpj_1 is connected with the other end of inductance Lpj_1, either:One end of resistance Rpj_1 is connected to
The anode of power supply Vi;Again either:One end of resistance Rpj_1 is connected to one end of load Z.
Further, the port cj_3 of the afterflow module cj is connected with port cj_4.
Preferred embodiment one as afterflow module:The afterflow module cj includes diode Dcj_a1 and capacitance Ccj_a1,
The anode of diode Dcj_a1 is connected with the port cj_1 of afterflow module cj, the cathode of diode Dcj_a1 simultaneously with capacitance Ccj_
One end of a1 is connected with the port cj_2 of afterflow module cj, the other end of capacitance Ccj_a1 while the port with afterflow module cj
Cj_3 is connected with port cj_4, and the value range of j is 1 to n.The auto-excitation type that the afterflow module cj enables inductance be located at input side is handed over
Wrong parallel connection DC-DC converter has boost function.
Preferred embodiment two as afterflow module:The afterflow module cj include inductance Lcj_b1, diode Dcj_b1 and
One end of capacitance Ccj_b1, inductance Lcj_b1 are connected with the port cj_1 of afterflow module cj, the other end of inductance Lcj_b1 and two
The anode of pole pipe Dcj_b1 is connected, the cathode of diode Dcj_b1 while the end with one end and afterflow module cj of capacitance Ccj_b1
Mouth cj_2 is connected, and the other end of capacitance Ccj_b1 is connected with the port cj_3 of afterflow module cj and port cj_4 simultaneously, inductance
There are coupled relation, one end of inductance Lcj_b1 and the one of inductance Lpj_1 by the Lcj_b1 and inductance Lpj_1 in the autonomous units
End is Same Name of Ends, and the value range of j is 1 to n.The afterflow module cj enables inductance be located at the auto-excitation type crisscross parallel of input side
DC-DC converter has the boost function of high-gain.
Preferred embodiment three as afterflow module:The afterflow module cj includes capacitance Ccj_c1, capacitance Ccj_c2, two poles
One end of pipe Dcj_c1 and diode Dcj_c2, capacitance Ccj_c2 are connected with the port cj_1 of afterflow module cj, capacitance Ccj_c2
The other end simultaneously be connected with the cathode of the anode of diode Dcj_c1 and diode Dcj_c2, the anode of diode Dcj_c2 and
The anode of the power supply Vi is connected, the cathode of diode Dcj_c1 while the end with one end and afterflow module cj of capacitance Ccj_c1
Mouth cj_2 is connected, and the other end of capacitance Ccj_c1 is connected with the port cj_3 of afterflow module cj and port cj_4 simultaneously, the value of j
Ranging from 1 to n.The auto-excitation type crisscross parallel DC-DC converter that the afterflow module cj enables inductance be located at input side has high increase
The boost function of benefit.
Preferred embodiment four as afterflow module:The afterflow module cj includes capacitance Ccj_d1, capacitance Ccj_d2, two poles
One end of pipe Dcj_d1, diode Dcj_d2 and inductance Lcj_d1, capacitance Ccj_d2 are connected with the port cj_1 of afterflow module cj,
The other end of capacitance Ccj_d2 is connected with one end of the cathode of diode Dcj_d2 and inductance Lcj_d1 simultaneously, inductance Lcj_d1's
The other end is connected with the anode of diode Dcj_d1, cathode one end with capacitance Ccj_d1 and the afterflow simultaneously of diode Dcj_d1
The port cj_2 of module cj is connected, the other end of capacitance Ccj_d1 while port cj_3 and port cj_4 phases with afterflow module cj
Even, there are coupled relation, one end of inductance Lcj_d1 and inductance by the inductance Lcj_d1 and inductance Lpj_1 in the autonomous units
One end of Lpj_1 is Same Name of Ends, and the value range of j is 1 to n.The afterflow module cj enables inductance be located at the auto-excitation type of input side
Crisscross parallel DC-DC converter has the boost function of high-gain.
Preferred embodiment five as afterflow module:The afterflow module cj includes capacitance Ccj_e1, capacitance Ccj_e2, inductance
One end of Lcj_e1, diode Dcj_e1 and diode Dcj_e2, capacitance Ccj_e1 are connected with the port cj_1 of afterflow module cj,
The other end of capacitance Ccj_e1 is connected with one end of the anode of diode Dcj_e1 and inductance Lcj_e1 simultaneously, inductance Lcj_e1's
The other end is connected with the cathode of diode Dcj_e2, anode one end with capacitance Ccj_e2 and the afterflow simultaneously of diode Dcj_e2
The port cj_2 of module cj is connected, the other end of capacitance Ccj_e2 simultaneously with the port cj_3 and port cj_4 of afterflow module cj with
And the cathode of diode Dcj_e1 is connected, the value range of j is 1 to n.The afterflow module cj enable inductance be located at input side from
Swashing formula crisscross parallel DC-DC converter has the stepping functions of polarity reversion.
Preferred embodiment six as afterflow module:The afterflow module cj includes capacitance Ccj_f1, capacitance Ccj_f2, inductance
One end of Lcj_f1, diode Dcj_f1 and diode Dcj_f2, capacitance Ccj_f1 are connected with the port cj_1 of afterflow module cj,
The other end of capacitance Ccj_f1 is connected with one end of the anode of diode Dcj_f2 and inductance Lcj_f1 simultaneously, diode Dcj_f2
Cathode simultaneously be connected with the port cj_2 of one end of capacitance Ccj_f2 and afterflow module cj, the other end of inductance Lcj_f1 and two
The cathode of pole pipe Dcj_f1 is connected, the anode of diode Dcj_f1 simultaneously with the port cj_3 and port cj_4 of afterflow module cj with
And the other end of capacitance Ccj_f2 is connected, the value range of j is 1 to n.The afterflow module cj enable inductance be located at input side from
Swashing formula crisscross parallel DC-DC converter has stepping functions.
Preferred embodiment seven as afterflow module:The afterflow module cj include inductance Lcj_g1, diode Dcj_g1 and
One end of capacitance Ccj_g1, inductance Lcj_g1 are connected with the anode of diode Dcj_g1, the cathode of diode Dcj_g1 simultaneously with
One end of capacitance Ccj_g1 is connected with the port cj_2 of afterflow module cj, the other end of capacitance Ccj_g1 simultaneously with inductance Lcj_g1
The other end be connected with the port cj_4 of afterflow module cj, the inductance Lpj_1 in inductance Lcj_g1 and the autonomous units exists
One end of coupled relation, the other end of inductance Lcj_g1 and the inductance Lpj_1 are Same Name of Ends, and the value range of j is 1 to n.Institute
State buck work(of the auto-excitation type crisscross parallel DC-DC converter with electrical isolation that afterflow module cj enables inductance be located at input side
Energy.
The present invention technical concept be:First multichannel (n of the structure with " interlocking " function>1) autonomous units, then using certainly
Swash unit and constitute the crisscross parallel form that inductance is located at the auto-excitation type DC-DC converter of input side, makes it have simple in structure, easy
In start the features such as.
Beneficial effects of the present invention are mainly manifested in:It is easy to multichannel " interlocking " autonomous units of starting of oscillation by structure, it can
It enables the auto-excitation type crisscross parallel DC-DC converter that inductance is located at input side be easy to extend, increases capacity;It is easy to starting of oscillation, to participating in
The component of self-excitation requires low;Component without similar synchronizing generator.
Description of the drawings
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 circuit block diagram of the embodiment of the present invention 3.
Fig. 4 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment one.
Fig. 5 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment two.
Fig. 6 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment three.
Fig. 7 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment four.
Fig. 8 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment five.
Fig. 9 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment six.
Figure 10 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment seven.
Figure 11 is that the embodiment of the present invention 1 uses afterflow module preferred embodiment simulation waveform for the moment.
Figure 12 is the simulation waveform when embodiment of the present invention 2 uses afterflow module preferred embodiment three.
Figure 13 is the simulation waveform when embodiment of the present invention 3 uses afterflow module preferred embodiment two.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig.1, a kind of inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side, including autonomous units and
Afterflow module c1 to afterflow module cn.The autonomous units include inductance Lp1_1 to inductance Lpn_1, resistance Rp1_1 to resistance
Rpn_1, Rp1_2 are to resistance Rpn_2, capacitance Cp1_1 to capacitance Cpn_1, NPN type BJT pipes Qp1_1 to NPN type BJT pipes Qpn_1
With diode Dp1_1 to diode Dpn_1.The afterflow module cj has port cj_1, port cj_2, port cj_3 and port
The value range of cj_4, j are 1 to n.It is inductance that the effect of the afterflow module cj, which is when NPN type BJT pipes Qpj_1 ends,
Lpj_1 provides current channel.
One end of the inductance Lpj_1 is connected with the anode of power supply Vi, the other end of inductance Lpj_1 simultaneously with capacitance Cpj_
1 one end, the collector of NPN type BJT pipes Qpj_1 are connected with the port cj_1 of afterflow module cj, the base of NPN type BJT pipes Qpj_1
Pole is connected with the cathode of one end of resistance Rpj_1, one end of resistance Rpj_2 and diode Dpj_1 simultaneously, NPN type BJT pipes Qpj_
1 emitter is connected with the negative terminal of the anode of diode Dpj_1, the port cj_3 of afterflow module cj and power supply Vi simultaneously, afterflow
The port cj_2 of module cj is connected with one end of load Z, and the port cj_4 of afterflow module cj is connected with the other end of load Z, j's
Value range is 1 to n.
The other end of resistance Rpj_1 is connected with the other end of inductance Lpj_1.
The other end of resistance Rp1_2 is connected with the other end of capacitance Cp2_1, and so on, the other end of resistance Rpn-1_2
It is connected with the other end of capacitance Cpn_1, the other end of resistance Rpn_2 is connected with the other end of capacitance Cp1_1.
Embodiment 1, to the inconsistency of NPN type BJT pipes Qpn_1, generates required oscillation using NPN type BJT pipes Qp1_1.
Assuming that NPN type BJT pipes Qp1_1 takes the lead in being connected, inductance Lp1_1 magnetizes, and inductive current iLp1_1 is gradually increased, and Cp1_1 passes through
Dpn_1, Rpn_2 and Qp1_1 discharge, and Vi is charged by Lp2_1, Rp1_2 and Qp1_1 to Cp2_1, the base stage electricity of Qp1_1
Stream is gradually reduced, and its collector current gradually increases, and Qp1_1 is enabled to enter cut-off region from saturation region.After Qp1_1 ends,
Lp1_1 puts magnetic, and energy is exported by afterflow module c1 to load Z.Meanwhile because of the effect of Cp1_1, Qpn_1 conductings.Work as Qpn_
After 1 conducting, inductance Lpn_1 magnetizes, and inductive current iLpn_1 is gradually increased, and Cpn_1 passes through Dpn-1_1, Rpn-1_2 and Qpn_1
It discharges, Vi is charged by Lp1_1, Rpn_2 and Qpn_1 to Cp1_1, and the base current of Qpn_1 is gradually reduced, and its current collection
Electrode current but gradually increases, and Qpn_1 is enabled to enter cut-off region from saturation region.After Qpn_1 ends, Lpn_1 puts magnetic, and energy is passed through
Afterflow module cn is exported to load Z.Meanwhile because of the effect of Cpn_1, Qpn-1_1 conductings.And so on, Qpn_1 to Qp1_1 according to
Secondary conducting, also ends successively, i.e. the working condition of Qpn_1 to Qp1_1 lags certain phase successively.In cycles.Dpj_1's
Effect is to protect Qpj_1 and participate in vibrating, and Rpj_1 is start-up resistor, and the value range of j is 1 to n.
With reference to Fig. 4, when using afterflow module preferred embodiment, for the moment, embodiment 1 is an auto-excitation type crisscross parallel Boost transformation
Device has boost function.The afterflow module cj includes diode Dcj_a1 and capacitance Ccj_a1, the anode of diode Dcj_a1
It is connected with the port cj_1 of afterflow module cj, the cathode of diode Dcj_a1 one end with capacitance Ccj_a1 and afterflow module simultaneously
The port cj_2 of cj is connected, and the other end of capacitance Ccj_a1 is connected with the port cj_3 of afterflow module cj and port cj_4 simultaneously, j
Value range be 1 to n.Embodiment 1 uses afterflow module preferred embodiment simulation waveform for the moment when Figure 11 is n=3.By scheming
Its self-excitation working condition known to 11, v1 are the collector emitter voltage of Qp1_1, and v2 is collector-emitter of Qp2_1
Voltage, v3 are the collector emitter voltage of Qp3_1, output voltage vo>Vi.
With reference to Fig. 5, when using afterflow module preferred embodiment two, embodiment 1 is a high-gain self-excitation containing coupling inductance
Formula crisscross parallel Boost, the boost function with high-gain.The afterflow module cj includes inductance Lcj_b1, two poles
One end of pipe Dcj_b1 and capacitance Ccj_b1, inductance Lcj_b1 are connected with the port cj_1 of afterflow module cj, inductance Lcj_b1's
The other end is connected with the anode of diode Dcj_b1, cathode one end with capacitance Ccj_b1 and the afterflow simultaneously of diode Dcj_b1
The port cj_2 of module cj is connected, the other end of capacitance Ccj_b1 while port cj_3 and port cj_4 phases with afterflow module cj
Even, there are coupled relation, one end of inductance Lcj_b1 and inductance by the inductance Lcj_b1 and inductance Lpj_1 in the autonomous units
One end of Lpj_1 is Same Name of Ends, and the value range of j is 1 to n.
With reference to Fig. 6, when using afterflow module preferred embodiment three, embodiment 1 is a high-gain self-excitation containing switching capacity
Formula crisscross parallel Boost, the boost function with high-gain.The afterflow module cj includes capacitance Ccj_c1, capacitance
One end of Ccj_c2, diode Dcj_c1 and diode Dcj_c2, capacitance Ccj_c2 are connected with the port cj_1 of afterflow module cj,
The other end of capacitance Ccj_c2 is connected with the cathode of the anode of diode Dcj_c1 and diode Dcj_c2 simultaneously, diode Dcj_
The anode of c2 is connected with the anode of the power supply Vi, cathode one end with capacitance Ccj_c1 and the afterflow simultaneously of diode Dcj_c1
The port cj_2 of module cj is connected, the other end of capacitance Ccj_c1 while port cj_3 and port cj_4 phases with afterflow module cj
Even, the value range of j is 1 to n.
With reference to Fig. 7, when using afterflow module preferred embodiment four, embodiment 1 is one containing coupling inductance and switching capacity
High-gain auto-excitation type crisscross parallel Boost, the boost function with high-gain.The afterflow module cj includes capacitance
Ccj_d1, capacitance Ccj_d2, diode Dcj_d1, diode Dcj_d2 and inductance Lcj_d1, one end of capacitance Ccj_d2 with it is continuous
The port cj_1 of flow module cj is connected, the other end of capacitance Ccj_d2 while cathode and inductance Lcj_d1 with diode Dcj_d2
One end be connected, the other end of inductance Lcj_d1 is connected with the anode of diode Dcj_d1, and the cathode of diode Dcj_d1 is simultaneously
Be connected with the port cj_2 of one end of capacitance Ccj_d1 and afterflow module cj, the other end of capacitance Ccj_d1 simultaneously with afterflow module
The port cj_3 of cj is connected with port cj_4, the inductance Lpj_1 in inductance Lcj_d1 and the autonomous units there are coupled relation,
One end of inductance Lcj_d1 and one end of inductance Lpj_1 are Same Name of Ends, and the value range of j is 1 to n.
With reference to Fig. 8, when using afterflow module preferred embodiment five, embodiment 1 is an auto-excitation type crisscross parallel Cuk transformation
Device, the stepping functions with polarity reversion.The afterflow module cj includes capacitance Ccj_e1, capacitance Ccj_e2, inductance Lcj_
One end of e1, diode Dcj_e1 and diode Dcj_e2, capacitance Ccj_e1 are connected with the port cj_1 of afterflow module cj, capacitance
The other end of Ccj_e1 is connected with one end of the anode of diode Dcj_e1 and inductance Lcj_e1 simultaneously, and inductance Lcj_e1's is another
End is connected with the cathode of diode Dcj_e2, the anode of diode Dcj_e2 while one end with capacitance Ccj_e2 and afterflow module
The port cj_2 of cj is connected, the other end of capacitance Ccj_e2 while port cj_3 and port cj_4 and two with afterflow module cj
The cathode of pole pipe Dcj_e1 is connected, and the value range of j is 1 to n.
With reference to Fig. 9, when using afterflow module preferred embodiment six, embodiment 1 is an auto-excitation type crisscross parallel Sepic transformation
Device has stepping functions.The afterflow module cj includes capacitance Ccj_f1, capacitance Ccj_f2, inductance Lcj_f1, diode
One end of Dcj_f1 and diode Dcj_f2, capacitance Ccj_f1 are connected with the port cj_1 of afterflow module cj, capacitance Ccj_f1's
The other end is connected with one end of the anode of diode Dcj_f2 and inductance Lcj_f1 simultaneously, the cathode of diode Dcj_f2 simultaneously with
One end of capacitance Ccj_f2 is connected with the port cj_2 of afterflow module cj, and the other end of inductance Lcj_f1 is with diode Dcj_f1's
Cathode is connected, the anode of diode Dcj_f1 while port cj_3 and port cj_4 and capacitance Ccj_f2 with afterflow module cj
The other end be connected, the value range of j is 1 to n.
Referring to Fig.1 0, when using afterflow module preferred embodiment seven, embodiment 1 is an auto-excitation type crisscross parallel Flyback
Converter, the stepping functions with electrical isolation.The afterflow module cj includes inductance Lcj_g1, diode Dcj_g1 and electricity
Hold Ccj_g1, one end of inductance Lcj_g1 is connected with the anode of diode Dcj_g1, the cathode of diode Dcj_g1 at the same with electricity
The one end for holding Ccj_g1 is connected with the port cj_2 of afterflow module cj, and the other end of capacitance Ccj_g1 is simultaneously with inductance Lcj_g1's
The other end is connected with the port cj_4 of afterflow module cj, and there are couplings by the inductance Lpj_1 in inductance Lcj_g1 and the autonomous units
One end of conjunction relationship, the other end of inductance Lcj_g1 and the inductance Lpj_1 are Same Name of Ends, and the value range of j is 1 to n.
Embodiment 2
With reference to Fig. 2, the other end of the resistance Rpj_1 in embodiment 2 is connected with the anode of power supply Vi, and the value range of j is 1
To n.The other structures of embodiment 2 are same as Example 1, and the course of work is also similar to Example 1.
Implement 2 applicable afterflow module preferred embodiments one to seven.Embodiment 2 is preferably square using afterflow module when Figure 12 is n=3
Simulation waveform when case three.Its self-excitation working condition as shown in Figure 12, v1 are the collector emitter voltage of Qp1_1, v2
For the collector emitter voltage of Qp2_1, v3 is the collector emitter voltage of Qp3_1, output voltage vo>Vi.With figure
11 compare, and Figure 12 shows higher step-up ratio.
Embodiment 3
With reference to Fig. 3, the other end of the resistance Rpj_1 in embodiment 3 is connected with one end of load Z, and the value range of j is 1
To n.The other structures of embodiment 3 are same as Example 2, and the course of work is also similar to Example 2.
Implement 3 applicable afterflow module preferred embodiments one to six.Embodiment 3 is preferably square using afterflow module when Figure 13 is n=3
Simulation waveform when case two.Its self-excitation working condition as shown in Figure 13, v1 are the collector emitter voltage of Qp1_1, v2
For the collector emitter voltage of Qp2_1, v3 is the collector emitter voltage of Qp3_1, output voltage vo>Vi.With figure
11 compare, and Figure 13 shows higher step-up ratio.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
The concrete form for being not construed as being only limitted to embodiment and being stated of range, protection scope of the present invention is also and in this field skill
Art personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (9)
1. a kind of inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side, it is characterised in that:The inductance is located at defeated
The auto-excitation type crisscross parallel DC-DC converter for entering side includes autonomous units and afterflow module c1 to afterflow module cn, the self-excitation
Unit includes inductance Lp1_1 to inductance Lpn_1, resistance Rp1_1 to resistance Rpn_1, resistance Rp1_2 to resistance Rpn_2, capacitance
Cp1_1 to capacitance Cpn_1, NPN type BJT pipes Qp1_1 to NPN type BJT pipes Qpn_1 and diode Dp1_1 to diode Dpn_1,
It is 1 to n that the afterflow module cj, which has the value range of port cj_1, port cj_2, port cj_3 and port cj_4, j, described
The effect of afterflow module cj is to provide current channel when NPN type BJT pipes Qpj_1 ends for inductance Lpj_1;
One end of the inductance Lpj_1 is connected with the anode of power supply Vi, and the other end of inductance Lpj_1 is simultaneously with capacitance Cpj_1's
One end, NPN type BJT pipes Qpj_1 collector be connected with the port cj_1 of afterflow module cj, the base stage of NPN type BJT pipes Qpj_1
It is connected simultaneously with the cathode of one end of resistance Rpj_1, one end of resistance Rpj_2 and diode Dpj_1, NPN type BJT pipes Qpj_1
Emitter simultaneously be connected with the negative terminal of the anode of diode Dpj_1, the port cj_3 of afterflow module cj and power supply Vi, afterflow mould
The port cj_2 of block cj is connected with one end of load Z, and the port cj_4 of afterflow module cj is connected with the other end of load Z, and j's takes
Value ranging from 1 to n;The other end of resistance Rp1_2 is connected with the other end of capacitance Cp2_1, and so on, resistance Rpn-1_2's
The other end is connected with the other end of capacitance Cpn_1, and the other end of resistance Rpn_2 is connected with the other end of capacitance Cp1_1;
The other end of resistance Rpj_1 is connected with the other end of inductance Lpj_1, either:The other end of resistance Rpj_1 is connected to electricity
The anode of source Vi;Again either:The other end of resistance Rpj_1 is connected to one end of load Z.
2. inductance as described in claim 1 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, it is characterised in that:
The port cj_3 of the afterflow module cj is connected with port cj_4.
3. inductance as claimed in claim 1 or 2 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, feature exists
In:The afterflow module cj includes diode Dcj_a1 and capacitance Ccj_a1, anode and the afterflow module cj of diode Dcj_a1
Port cj_1 be connected, the cathode of the diode Dcj_a1 port cj_2 with one end and afterflow module cj of capacitance Ccj_a1 simultaneously
It is connected, the other end of capacitance Ccj_a1 is connected with the port cj_3 of afterflow module cj and port cj_4 simultaneously, and the value range of j is
1 to n.
4. inductance as claimed in claim 1 or 2 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, feature exists
In:The afterflow module cj includes inductance Lcj_b1, diode Dcj_b1 and capacitance Ccj_b1, one end of inductance Lcj_b1 with it is continuous
The port cj_1 of flow module cj is connected, and the other end of inductance Lcj_b1 is connected with the anode of diode Dcj_b1, diode Dcj_
The cathode of b1 is connected with the port cj_2 of one end of capacitance Ccj_b1 and afterflow module cj simultaneously, and the other end of capacitance Ccj_b1 is same
When be connected with the port cj_3 of afterflow module cj and port cj_4, the inductance Lpj_1 in inductance Lcj_b1 and the autonomous units
There are coupled relation, one end of inductance Lcj_b1 and one end of inductance Lpj_1 are Same Name of Ends, and the value range of j is 1 to n.
5. inductance as claimed in claim 1 or 2 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, feature exists
In:The afterflow module cj includes capacitance Ccj_c1, capacitance Ccj_c2, diode Dcj_c1 and diode Dcj_c2, capacitance
One end of Ccj_c2 is connected with the port cj_1 of afterflow module cj, and the other end of capacitance Ccj_c2 is simultaneously with diode Dcj_c1's
Anode is connected with the cathode of diode Dcj_c2, and the anode of diode Dcj_c2 is connected with the anode of the power supply Vi, diode
The cathode of Dcj_c1 is connected with the port cj_2 of one end of capacitance Ccj_c1 and afterflow module cj simultaneously, and capacitance Ccj_c1's is another
End is connected with the port cj_3 of afterflow module cj and port cj_4 simultaneously, and the value range of j is 1 to n.
6. inductance as claimed in claim 1 or 2 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, feature exists
In:The afterflow module cj includes capacitance Ccj_d1, capacitance Ccj_d2, diode Dcj_d1, diode Dcj_d2 and inductance
One end of Lcj_d1, capacitance Ccj_d2 are connected with the port cj_1 of afterflow module cj, and the other end of capacitance Ccj_d2 is simultaneously with two
The cathode of pole pipe Dcj_d2 is connected with one end of inductance Lcj_d1, the anode of the other end and diode Dcj_d1 of inductance Lcj_d1
It is connected, the cathode of diode Dcj_d1 is connected with the port cj_2 of one end of capacitance Ccj_d1 and afterflow module cj simultaneously, capacitance
The other end of Ccj_d1 is connected with the port cj_3 of afterflow module cj and port cj_4 simultaneously, inductance Lcj_d1 and the self-excitation list
There are coupled relations by inductance Lpj_1 in member, and one end of inductance Lcj_d1 and one end of inductance Lpj_1 are Same Name of Ends, the value of j
Ranging from 1 to n.
7. inductance as claimed in claim 1 or 2 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, feature exists
In:The afterflow module cj includes capacitance Ccj_e1, capacitance Ccj_e2, inductance Lcj_e1, diode Dcj_e1 and diode
One end of Dcj_e2, capacitance Ccj_e1 are connected with the port cj_1 of afterflow module cj, and the other end of capacitance Ccj_e1 is simultaneously with two
The anode of pole pipe Dcj_e1 is connected with one end of inductance Lcj_e1, the cathode of the other end and diode Dcj_e2 of inductance Lcj_e1
It is connected, the anode of diode Dcj_e2 is connected with the port cj_2 of one end of capacitance Ccj_e2 and afterflow module cj simultaneously, capacitance
The other end of Ccj_e2 is connected with the port cj_3 of afterflow module cj and the cathode of port cj_4 and diode Dcj_e1 simultaneously,
The value range of j is 1 to n.
8. inductance as claimed in claim 1 or 2 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, feature exists
In:The afterflow module cj includes capacitance Ccj_f1, capacitance Ccj_f2, inductance Lcj_f1, diode Dcj_f1 and diode
One end of Dcj_f2, capacitance Ccj_f1 are connected with the port cj_1 of afterflow module cj, and the other end of capacitance Ccj_f1 is simultaneously with two
The anode of pole pipe Dcj_f2 is connected with one end of inductance Lcj_f1, the cathode of diode Dcj_f2 while one with capacitance Ccj_f2
End is connected with the port cj_2 of afterflow module cj, and the other end of inductance Lcj_f1 is connected with the cathode of diode Dcj_f1, two poles
The anode of pipe Dcj_f1 is connected with the port cj_3 of afterflow module cj and the other end of port cj_4 and capacitance Ccj_f2 simultaneously,
The value range of j is 1 to n.
9. inductance as described in claim 1 is located at the auto-excitation type crisscross parallel DC-DC converter of input side, it is characterised in that:
The afterflow module cj includes inductance Lcj_g1, diode Dcj_g1 and capacitance Ccj_g1, one end of inductance Lcj_g1 and two poles
The anode of pipe Dcj_g1 is connected, the cathode of diode Dcj_g1 while the port with one end and afterflow module cj of capacitance Ccj_g1
Cj_2 is connected, the other end of capacitance Ccj_g1 simultaneously with the other end of inductance Lcj_g1 and the port cj_4 phases of afterflow module cj
Even, the inductance Lpj_1 in inductance Lcj_g1 and the autonomous units is there are coupled relation, the other end of inductance Lcj_g1 with it is described
One end of inductance Lpj_1 is Same Name of Ends, and the value range of j is 1 to n.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201810280945.1A CN108336906A (en) | 2018-04-02 | 2018-04-02 | Inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side |
CN201910240412.5A CN110048604B (en) | 2018-04-02 | 2019-03-28 | Self-excited DC-DC converter with inductance on input side and staggered parallel connection mode thereof |
Applications Claiming Priority (1)
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CN201810280945.1A CN108336906A (en) | 2018-04-02 | 2018-04-02 | Inductance is located at the auto-excitation type crisscross parallel DC-DC converter of input side |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113691127A (en) * | 2021-08-29 | 2021-11-23 | 三峡大学 | Single-input high-reliability capacitor current consistent type Boost DC-DC converter |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113691127A (en) * | 2021-08-29 | 2021-11-23 | 三峡大学 | Single-input high-reliability capacitor current consistent type Boost DC-DC converter |
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