CN108400711A - Auto-excitation type interleaving buck converte - Google Patents
Auto-excitation type interleaving buck converte Download PDFInfo
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- CN108400711A CN108400711A CN201810280993.0A CN201810280993A CN108400711A CN 108400711 A CN108400711 A CN 108400711A CN 201810280993 A CN201810280993 A CN 201810280993A CN 108400711 A CN108400711 A CN 108400711A
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- 101100354045 Caenorhabditis elegans rpn-2 gene Proteins 0.000 claims abstract description 9
- 101100473185 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) rpn-1 gene Proteins 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
A kind of auto-excitation type interleaving buck converte, including an autonomous units, inductance L1_1 to inductance Ln_1 and capacitance Co, the autonomous units include resistance Rp1_1 to resistance Rpn_1, resistance Rp1_2 to resistance Rpn_2, capacitance Cp1_1 to capacitance Cpn_1, diode Dp1_1 to diode Dpn_1, diode D1_1 to diode Dn_1, positive-negative-positive BJT pipes Qp1_1 to positive-negative-positive BJT pipes Qpn_1.Wherein, Rp1_1 to Rpn_1 is start-up resistor.The present invention constitutes the crisscross parallel form of auto-excitation type Buck converters using multichannel " interlocking " autonomous units, has the characteristics that be easy to dilatation and starting of oscillation but is not easy failure of oscillation, and the workplace of low-voltage output is inputted suitable for high voltage.
Description
Technical field
The present invention relates to the parallel forms of buck DC-DC converter, are applicable in the work of high voltage input low-voltage output
Occasion, applicable field is such as：Collection of energy, LED drivings, accessory power supply etc..
Background technology
It is compared with single Buck converters, the Buck converters of crisscross parallel have big capacity, input current and output
The small advantage of current ripples.Compared with separated exciting Buck converters, auto-excitation type Buck converters have easily start up, cost performance
The advantages that high.And the auto-excitation type Buck converters of crisscross parallel have then concentrated the Buck converters and auto-excitation type Buck of crisscross parallel
The plurality of advantages of converter can enable the performance of Buck converters obtain and further be promoted.
Invention content
In order to overcome the lower deficiency of performance of existing Buck converters, the present invention to provide a kind of auto-excitation type crisscross parallel
Buck converters, target are the plurality of advantages of the comprehensive Buck converters and auto-excitation type Buck converters for realizing crisscross parallel ---
It is easy to extension capacity, starting of oscillation is easy, can utonomous working in the case of default control loop.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of auto-excitation type interleaving buck converte, including an autonomous units, inductance L1_1 are to inductance Ln_1 and electricity
Hold Co, the autonomous units include resistance Rp1_1 to resistance Rpn_1, resistance Rp1_2 to resistance Rpn_2, capacitance Cp1_1 to electricity
Hold Cpn_1, diode Dp1_1 to diode Dpn_1, diode D1_1 to diode Dn_1, positive-negative-positive BJT pipes Qp1_1 to PNP
Type BJT pipes Qpn_1；
The emitter of the positive-negative-positive BJT pipes Qpj_1 while the cathode with the anode and diode Dpj_1 of DC power supply Vi
Be connected, the base stage of positive-negative-positive BJT pipes Qpj_1 simultaneously with the anode of diode Dpj_1, one end of resistance Rpj_2 and resistance Rpj_1
One end be connected, the collector of positive-negative-positive BJT pipes Qpj_1 simultaneously with one end of capacitance Cpj_1, the cathode and electricity of diode Dj_1
The one end for feeling Lj_1 is connected, and the other end of inductance Lj_1 is connected with one end of one end of capacitance Co and load Z simultaneously, loads Z's
The other end is connected with the negative terminal of the other end of capacitance Co, the anode of diode Dj_1 and DC power supply Vi simultaneously, the value range of j
It is 1 to n；
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；
The other end of resistance Rpj_1 is connected with the collector of positive-negative-positive BJT pipes Qpj_1, either：The resistance Rpj_1's
The other end is connected to the negative terminal of DC power supply Vi；Again either：The other end of the resistance Rpj_1 is connected to the one of capacitance Co
End, the value range of j is 1 to n.
Further, the inductance Lj_2 with inductance Lj_1 couplings is inserted into the auto-excitation type interleaving buck converte,
One end of inductance Lj_2 and one end of inductance Lj_1 are Same Name of Ends；According to the program, the reconfiguration scheme that can select for：Positive-negative-positive
The collector of BJT pipes Qpj_1 and one end all reconfigurations of capacitance Cpj_1 to one end of inductance Lj_2, the cathode of diode Dj_1 and
For one end of inductance Lj_1 all reconfigurations to the other end of inductance Lj_2, the value range of j is 1 to n.High decompression may be implemented in the program
Than.
The present invention technical concept be：First multichannel (n of the structure with " interlocking " function>1) autonomous units, then using certainly
Swash the crisscross parallel form that unit constitutes auto-excitation type Buck converters, makes it have simple in structure, the features such as easily starting up.
Beneficial effects of the present invention are mainly manifested in：It is easy to starting of oscillation by structure but is not easy the multichannel " interlocking " of failure of oscillation
Autonomous units can enable auto-excitation type interleaving buck converte be easy to extend, and increase capacity；It is easy to starting of oscillation, to participating in self-excitation
Component requires low；It is not easy to failure of oscillation, it still can utonomous working in the case of default control loop.
Description of the drawings
Fig. 1 is the circuit diagram of the embodiment of the present invention 1.
Fig. 2 is the circuit diagram of the embodiment of the present invention 2.
Fig. 3 is the circuit diagram of the embodiment of the present invention 3.
Fig. 4 is the circuit diagram of the embodiment of the present invention 4.
Fig. 5 is the simulation waveform of the embodiment of the present invention 1.
Fig. 6 is the simulation waveform of the embodiment of the present invention 4.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig.1 and Fig. 5, a kind of auto-excitation type interleaving buck converte, including an autonomous units, inductance L1_1 are extremely
Inductance Ln_1 and capacitance Co, the autonomous units include resistance Rp1_1 to resistance Rpn_1, resistance Rp1_2 to resistance Rpn_2, electricity
Hold Cp1_1 to capacitance Cpn_1, diode Dp1_1 to diode Dpn_1, diode D1_1 to diode Dn_1, positive-negative-positive BJT pipes
Qp1_1 to positive-negative-positive BJT pipes Qpn_1.
The emitter of the positive-negative-positive BJT pipes Qpj_1 while the cathode with the anode and diode Dpj_1 of DC power supply Vi
Be connected, the base stage of positive-negative-positive BJT pipes Qpj_1 simultaneously with the anode of diode Dpj_1, one end of resistance Rpj_2 and resistance Rpj_1
One end be connected, the collector of positive-negative-positive BJT pipes Qpj_1 simultaneously with the other end of resistance Rpj_1, one end of capacitance Cpj_1, two
The cathode of pole pipe Dj_1 is connected with one end of inductance Lj_1, the other end of inductance Lj_1 simultaneously with one end of capacitance Co and load Z
One end be connected, the other end for loading Z is negative with the other end of capacitance Co, the anode of diode Dj_1 and DC power supply Vi simultaneously
End is connected, and the value range of j is 1 to n.The other end of resistance Rp1_2 is connected with the other end of capacitance Cp2_1, and so on, electricity
The other end of resistance Rpn-1_2 is connected with the other end of capacitance Cpn_1, the other end of the other end and capacitance Cp1_1 of resistance Rpn_2
It is connected.
Embodiment 1 is differed using autonomous units inside (mainly positive-negative-positive BJT pipes Qp1_1's to positive-negative-positive BJT pipe Qpn_1)
Cause property, generates required oscillation.Assuming that Qp1_1 takes the lead in being connected, diode D1_1 cut-offs, inductance L1_1 magnetizes, electric current iL1_1 by
Cumulative to add, DC power supply Vi gives capacitance Cp2_1 to charge by resistance Rp1_2.In the charging process of Cp2_1, the base stage of Qp1_1
Electric current is gradually reduced, and the collector current of Qp1_1 gradually increases, and Qp1_1 gradually exits saturation state and enters cut-off state.When
After Qp1_1 cut-offs, D1_1 conductings, L1_1 puts magnetic, and iL1_1 is gradually reduced.Meanwhile the Qpn_1 conductings of positive-negative-positive BJT pipes, diode
Dn_1 ends, and inductance Ln_1 magnetizes, and electric current iLn_1 is gradually increased, and DC power supply Vi is filled by resistance Rpn_2 to capacitance Cp1_1
Electricity.And so on, Qpn_1 lags behind Qp1_1 on and off, and Qpk-1_1 lags behind Qpk_1 on and off, Qp1_1 lag
In the value range of Qp2_1 on and off, k be 2 to n.When stable state, when Qp1_1 is connected, Cp1_1 passes through Rpn_2 and Dpn_
1 discharges；When Qpk_1 is connected, Cpk_1 is discharged by Rpk-1_2 and Dpk-1_1；When Qpn_1 is connected, Cpn_1
It is discharged by Rpn-1_2 and Dpn-1_1.In cycles.The effect of Dpj_1 is protection Qpj_1 and participates in vibrating, resistance
Rpj_1 is start-up resistor.
Fig. 5 is the simulation waveform of embodiment 1 (n=3).The self-excitation working condition of embodiment 1 as shown in Figure 5, output
Voltage Vo is less than Vi, and the turn-on sequence of positive-negative-positive BJT pipes is followed successively by Qp1_1 → Qp3_1 → Qp2_1 → Qp1_1.
Embodiment 2
With reference to Fig. 2, the other end of resistance Rpj_1 is connected with the negative terminal of DC power supply Vi in embodiment 2, the value range of j
It is 1 to n.Remaining structure of embodiment 2 is same as Example 1, and the course of work is also similar to Example 1.
Embodiment 3
With reference to Fig. 3, the other end of resistance Rpj_1 is connected with one end of capacitance Co in embodiment 3, the value range of j be 1 to
n.Remaining structure of embodiment 3 is same as Example 2, and the course of work is also similar to Example 2.
Embodiment 4
With reference to Fig. 4 and Fig. 6, in embodiment 4 one end of the collector of positive-negative-positive BJT pipes Qpj_1 and capacitance Cpj_1 all with electricity
The one end for feeling Lj_2 is connected, and the cathode of diode Dj_1 and one end of inductance Lj_1 are all connected with the other end of inductance Lj_2, electricity
The one end for feeling Lj_2 and one end of inductance Lj_1 are Same Name of Ends relationships, and the value range of j is 1 to n.Remaining structure of embodiment 4
Same as Example 2, the course of work is also similar to Example 2.Since the coupled relation of Lj_1 and Lj_2 is, it can be achieved that high decompression
Than.
Fig. 6 is the simulation waveform of embodiment 4 (n=2).The self-excitation working condition of embodiment 4 as shown in Figure 6, output
Voltage Vo is less than Vi, and the turn-on sequence of positive-negative-positive BJT pipes is followed successively by Qp1_1 → Qp2_1 → Qp1_1.Compared with Example 1, Vo
It is lower.
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 (3)
1. a kind of auto-excitation type interleaving buck converte, it is characterised in that：The auto-excitation type interleaving buck converte packet
An autonomous units, inductance L1_1 to inductance Ln_1 and capacitance Co are included, the autonomous units include resistance Rp1_1 to resistance Rpn_
1, resistance Rp1_2 to resistance Rpn_2, capacitance Cp1_1 are to capacitance Cpn_1, diode Dp1_1 to diode Dpn_1, diode
D1_1 to diode Dn_1, positive-negative-positive BJT pipes Qp1_1 are to positive-negative-positive BJT pipes Qpn_1, the emitter of the positive-negative-positive BJT pipes Qpj_1
Be connected simultaneously with the cathode of the anode of DC power supply Vi and diode Dpj_1, the base stage of positive-negative-positive BJT pipes Qpj_1 and meanwhile with two poles
The anode of pipe Dpj_1, one end of resistance Rpj_2 are connected with one end of resistance Rpj_1, and the collector of positive-negative-positive BJT pipes Qpj_1 is same
When be connected with one end of one end of capacitance Cpj_1, the cathode of diode Dj_1 and inductance Lj_1, the other end of inductance Lj_1 is simultaneously
It is connected with one end of capacitance Co and the one end for loading Z, loads the other end of Z while the other end, diode Dj_1 with capacitance Co
Anode be connected with the negative terminal of DC power supply Vi, the value range of j is 1 to n, and the other end of resistance Rp1_2 is with capacitance Cp2_1's
The other end is connected, and so on, the other end of resistance Rpn-1_2 is connected with the other end of capacitance Cpn_1, and resistance Rpn_2's is another
One end is connected with the other end of capacitance Cp1_1；
The other end of resistance Rpj_1 is connected with the collector of positive-negative-positive BJT pipes Qpj_1, either：The resistance Rpj_1's is another
End is connected to the negative terminal of DC power supply Vi；Again either：The other end of the resistance Rpj_1 is connected to one end of capacitance Co, j's
Value range is 1 to n.
2. auto-excitation type interleaving buck converte as described in claim 1, it is characterised in that：Interlock simultaneously in the auto-excitation type
Join the inductance Lj_2 being inserted into Buck converters with inductance Lj_1 couplings, one end of inductance Lj_2 and one end of inductance Lj_1 are same
Name end.
3. auto-excitation type interleaving buck converte as claimed in claim 2, it is characterised in that：Positive-negative-positive BJT pipes Qpj_1's
One end of collector and capacitance Cpj_1 are connected to one end of inductance Lj_2, the cathode of diode Dj_1 and the one of inductance Lj_1
End is connected to the other end of inductance Lj_2.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810280993.0A CN108400711A (en) | 2018-04-02 | 2018-04-02 | Auto-excitation type interleaving buck converte |
| CN201910246465.8A CN109787477B (en) | 2018-04-02 | 2019-03-29 | Self-excited DC-DC converter with switch on input side and staggered parallel connection mode thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810280993.0A CN108400711A (en) | 2018-04-02 | 2018-04-02 | Auto-excitation type interleaving buck converte |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108400711A true CN108400711A (en) | 2018-08-14 |
Family
ID=63099233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810280993.0A Withdrawn CN108400711A (en) | 2018-04-02 | 2018-04-02 | Auto-excitation type interleaving buck converte |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108400711A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336907A (en) * | 2018-04-02 | 2018-07-27 | 杭州比格飞序生物科技有限公司 | A kind of auto-excitation type interleaving buck converte |
| CN109586564A (en) * | 2018-12-19 | 2019-04-05 | 华北电力大学 | A kind of high stability cuk converter |
-
2018
- 2018-04-02 CN CN201810280993.0A patent/CN108400711A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336907A (en) * | 2018-04-02 | 2018-07-27 | 杭州比格飞序生物科技有限公司 | A kind of auto-excitation type interleaving buck converte |
| CN108336907B (en) * | 2018-04-02 | 2023-12-19 | 杭州比格飞序生物科技有限公司 | Self-excited staggered parallel Buck converter |
| CN109586564A (en) * | 2018-12-19 | 2019-04-05 | 华北电力大学 | A kind of high stability cuk converter |
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Application publication date: 20180814 |
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