CN108512420A - A kind of inductance is located at the auto-excitation type DC-DC converter of input side - Google Patents
A kind of inductance is located at the auto-excitation type DC-DC converter of input side Download PDFInfo
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- CN108512420A CN108512420A CN201810281104.2A CN201810281104A CN108512420A CN 108512420 A CN108512420 A CN 108512420A CN 201810281104 A CN201810281104 A CN 201810281104A CN 108512420 A CN108512420 A CN 108512420A
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- 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
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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 DC DC converters of input side, including autonomous units and afterflow module, the autonomous units include resistance Rs_1, resistance Rs_2, resistance Rs_3, resistance Rp_1, resistance Rp_2, inductance Lp_1, capacitance Cs_1, capacitance Cp_1, NPN type BJT pipes Qs_1, NPN type BJT pipes Qp_1, diode Ds_1 and diode Dp_1.Wherein, the effect of Rs_2 and Rp_1 is to limit the terminal voltage of Cs_1 and Cp_1.The present invention is easy to the autonomous units of starting of oscillation by structure, and the auto-excitation type DC DC converters that inductance is located at input side can be enabled to be easy to starting of oscillation, reduce the requirement of the component to participating in self-excitation；The auto-excitation type DC DC converters that the inductance that may make up is located at input side are various informative, can meet diversified power conversion demand.
Description
Technical field
The present invention relates to the DC-DC converters that inductance is located at input side, are especially suitable for the workplace of low-voltage input,
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.As shown in Figure 1, a kind of auto-excitation type Boost transformation of common suitable low-voltage input service occasion
Device is made of resistance R1 to R3, NPN type BJT pipes Q1 and Q2, inductance L, diode D and capacitance Co.The converter circuit structure letter
It is single, but entire converter can smoothly starting of oscillation it is directly related with the value of R2 and R3.When R2 and R3 designs not at that time, will cause
The consequence that entire converter can not be successfully starting of oscillation and then can not work normally.
Invention content
In order to overcome the problems, such as the starting of oscillation of existing auto-excitation type Boost, to individual components, there are transition dependences, originally
A kind of inductance of invention offer is located at the auto-excitation type DC-DC converter of input side, and not only starting of oscillation is easy for it, and various informative ---
Boost, Cuk converters, Sepic converters, Flyback converters etc. can be formed.
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 DC-DC converter of input side, including autonomous units and afterflow module, the self-excitation
Unit includes resistance Rs_1, resistance Rs_2, resistance Rs_3, resistance Rp_1, resistance Rp_2, inductance Lp_1, capacitance Cs_1, capacitance
Cp_1, NPN type BJT pipes Qs_1, NPN type BJT pipes Qp_1, diode Ds_1 and diode Dp_1.The afterflow module includes end
Mouth c_1, port c_2, port c_3 and port c_4, effect is to provide electricity when NPN type BJT pipes Qp_1 ends for inductance Lp_1
Circulation road；
One end of the resistance Rs_1 is connected with one end of the anode of power supply Vi and inductance Lp_1 simultaneously, and resistance Rs_1's is another
One end is connected with the collector of one end of capacitance Cs_1 and NPN type BJT pipes Qs_1 simultaneously, and the base stage of NPN type BJT pipes Qs_1 is simultaneously
Be connected with the cathode of one end of resistance Rs_3 and diode Ds_1, the other end of inductance Lp_1 simultaneously with one end of capacitance Cp_1,
The collector of NPN type BJT pipes Qp_1 is connected with the port c_1 of afterflow module, the other end of capacitance Cp_1 simultaneously with resistance Rp_1
One end be connected with the other end of resistance Rs_3, the base stage of NPN type BJT pipes Qp_1 one end with resistance Rp_2 and diode simultaneously
The cathode of Dp_1 is connected, and the other end of resistance Rp_2 is connected with one end of the other end of capacitance Cs_1 and resistance Rs_2 simultaneously, continues
The port c_2 of flow module is connected with one end of load Z, and the port c_4 of afterflow module is connected with the other end of load Z, afterflow mould
The port c_3 of block simultaneously with the negative terminal of power supply Vi, the emitter of NPN type BJT pipes Qs_1, the anode of diode Ds_1, NPN type
The emitter of BJT pipes Qp_1 is connected with the anode of diode Dp_1；
The other end of resistance Rs_2 is connected with the other end of resistance Rs_1, and the other end of resistance Rp_1 is another with inductance Lp_1's
One end is connected；Either：The other end of resistance Rs_2 and the other end of resistance Rp_1 are connected to the anode of power supply Vi；Again or
It is：The other end of resistance Rs_2 and the other end of resistance Rp_1 are connected to one end of load Z.
More further, the port c_3 of the afterflow module is connected with port c_4.
Preferred embodiment one as afterflow module：The afterflow module includes diode Dc_a1 and capacitance Cc_a1, two poles
The anode of pipe Dc_a1 is connected with the port c_1 of afterflow module, the cathode of diode Dc_a1 simultaneously with one end of capacitance Cc_a1 and
The port c_2 of afterflow module is connected, and the other end of capacitance Cc_a1 is connected with the port c_3 of afterflow module and port c_4 simultaneously.
The auto-excitation type DC-DC converter that the afterflow module enables the inductance be located at input side has boost function.
Preferred embodiment two as afterflow module：The afterflow module includes capacitance Cc_b1, capacitance Cc_b2, inductance Lc_
B1, diode Dc_b1 and diode Dc_b2, one end of capacitance Cc_b1 are connected with the port c_1 of afterflow module, capacitance Cc_b1
The other end simultaneously be connected with one end of the anode of diode Dc_b1 and inductance Lc_b1, the other end of inductance Lc_b1 and two poles
The cathode of pipe Dc_b2 is connected, the anode of diode Dc_b2 simultaneously with one end of capacitance Cc_b2 and the port c_2 phases of afterflow module
Even, the other end of capacitance Cc_b2 simultaneously with the port c_3 and port c_4 of afterflow module and the cathode phase of diode Dc_b1
Even.The afterflow module enables the inductance be located at the buck work(that there is the auto-excitation type DC-DC converter of input side polarity to invert
Energy.
Preferred embodiment three as afterflow module：The afterflow module includes capacitance Cc_c1, capacitance Cc_c2, inductance Lc_
C1, diode Dc_c1 and diode Dc_c2, one end of capacitance Cc_c1 are connected with the port c_1 of afterflow module, capacitance Cc_c1
The other end be connected simultaneously with one end of the anode of diode Dc_c2 and inductance Lc_c1, the cathode of diode Dc_c2 at the same with
One end of capacitance Cc_c2 is connected with the port c_2 of afterflow module, the other end of inductance Lc_c1 and the cathode phase of diode Dc_c1
Even, the anode of diode Dc_c1 simultaneously with the port c_3 and port c_4 of afterflow module and the other end phase of capacitance Cc_c2
Even.The auto-excitation type DC-DC converter that the afterflow module enables the inductance be located at input side has stepping functions.
Preferred embodiment four as afterflow module：The afterflow module includes inductance Lc_d1, diode Dc_d1 and capacitance
One end of Cc_d1, inductance Lc_d1 are connected with the anode of diode Dc_d1, the cathode of diode Dc_d1 simultaneously with capacitance Cc_d1
One end be connected with the port c_2 of afterflow module, the other end with inductance Lc_d1 and the afterflow simultaneously of the other end of capacitance Cc_d1
The port c_4 of module is connected, and there are coupled relation, the other end of inductance Lc_d1 and the inductance by inductance Lc_d1 and inductance Lp_1
One end of Lp_1 is Same Name of Ends.The auto-excitation type DC-DC converter that the afterflow module enables the inductance be located at input side has electricity
Air bound from stepping functions.
The present invention technical concept be：First structure is easy to the autonomous units of starting of oscillation, then constitutes inductance position using autonomous units
In input side auto-excitation type DC-DC converter to solve starting problem, reduce its dependency degree to part component.
Beneficial effects of the present invention are mainly manifested in：It is easy to the autonomous units of starting of oscillation by structure, inductance can be enabled to be located at defeated
The auto-excitation type DC-DC converter for entering side is easy to starting of oscillation, reduces the requirement of the component to participating in self-excitation；The inductance that may make up is located at
The auto-excitation type DC-DC converter of input side it is various informative (including Boost, Cuk converters, Sepic converters,
Flyback converters etc.), diversified power conversion demand can be met.
Description of the drawings
Fig. 1 is a kind of auto-excitation type Boost of common suitable low-voltage input service occasion.
Fig. 2 is the circuit block diagram of the embodiment of the present invention 1.
Fig. 3 is the circuit block diagram of the embodiment of the present invention 2.
Fig. 4 is the circuit block diagram of the embodiment of the present invention 3.
Fig. 5 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment one.
Fig. 6 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment two.
Fig. 7 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment three.
Fig. 8 is the afterflow module circuit diagram for being suitable for the invention afterflow module preferred embodiment four.
Fig. 9 is the simulation waveform when embodiment of the present invention 1 uses afterflow module preferred embodiment two.
Figure 10 is the simulation waveform when embodiment of the present invention 2 uses afterflow module preferred embodiment four.
Figure 11 is that the embodiment of the present invention 3 uses afterflow module preferred embodiment simulation waveform for the moment.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
With reference to Fig. 2, a kind of inductance is located at the auto-excitation type DC-DC converter of input side, including autonomous units and afterflow module.
The autonomous units include resistance Rs_1, resistance Rs_2, resistance Rs_3, resistance Rp_1, resistance Rp_2, inductance Lp_1, capacitance Cs_
1, capacitance Cp_1, NPN type BJT pipes Qs_1, NPN type BJT pipes Qp_1, diode Ds_1 and diode Dp_1.The afterflow module
Including port c_1, port c_2, port c_3 and port c_4, it is inductance Lp_1 that effect, which is when NPN type BJT pipes Qp_1 ends,
Current channel is provided.
One end of the resistance Rs_1 is connected with one end of the anode of power supply Vi and inductance Lp_1 simultaneously, and resistance Rs_1's is another
One end is connected with the collector of one end of capacitance Cs_1 and NPN type BJT pipes Qs_1 simultaneously, and the base stage of NPN type BJT pipes Qs_1 is simultaneously
Be connected with the cathode of one end of resistance Rs_3 and diode Ds_1, the other end of inductance Lp_1 simultaneously with one end of capacitance Cp_1,
The collector of NPN type BJT pipes Qp_1 is connected with the port c_1 of afterflow module, the other end of capacitance Cp_1 simultaneously with resistance Rp_1
One end be connected with the other end of resistance Rs_3, the base stage of NPN type BJT pipes Qp_1 one end with resistance Rp_2 and diode simultaneously
The cathode of Dp_1 is connected, and the other end of resistance Rp_2 is connected with one end of the other end of capacitance Cs_1 and resistance Rs_2 simultaneously, continues
The port c_2 of flow module is connected with one end of load Z, and the port c_4 of afterflow module is connected with the other end of load Z, afterflow mould
The port c_3 of block simultaneously with the negative terminal of power supply Vi, the emitter of NPN type BJT pipes Qs_1, the anode of diode Ds_1, NPN type
The emitter of BJT pipes Qp_1 is connected with the anode of diode Dp_1, the other end of resistance Rs_2 and the other end phase of resistance Rs_1
Even, the other end of resistance Rp_1 is connected with the other end of inductance Lp_1.
Inconsistency of the embodiment 1 inside, especially NPN type BJT pipes Qp_1 and NPN type BJT pipes Qs_1's differs
Cause property, generates required oscillation.Assuming that NPN type BJT pipes Qp_1 takes the lead in being connected.After Qp_1 is connected, inductance Lp_1 magnetizes, inductance
Electric current iLp_1 is gradually increased, and capacitance Cp_1 is discharged by Ds_1, Rs_3 and Qp_1, and Vi is given by Rs_1, Rp_2 and Qp_1
Cs_1 charge, the base current of Qp_1 is gradually reduced, and the collector current of Qp_1 gradually increases, enable Qp_1 from saturation region into
Enter cut-off region.After Qp_1 ends, inductance Lp_1 puts magnetic, and energy is exported by afterflow module to load Z.Meanwhile Qs_1 is led
Logical, capacitance Cs_1 is discharged by Dp_1, Rp_2 and Qs_1, and Vi is charged by Lp_1, Rs_3 and Qs_1 to Cp_1, Qs_1's
Base current is gradually reduced, and Qs_1 is enabled to enter cut-off region from saturation region.After Qs_1 ends, Qp_1 is connected again.In cycles.
The effect of Ds_1 and Dp_1 is protection Qs_1 and Qp_1 and participates in vibrating.The effect of Rs_2 and Rp_1 is limitation Cs_1 and Cp_1
Terminal voltage.
With reference to figure 5, when using afterflow module preferred embodiment, for the moment, embodiment 1 is an auto-excitation type Boost, is had
Boost function.The afterflow module includes diode Dc_a1 and capacitance Cc_a1, anode and the afterflow module of diode Dc_a1
Port c_1 is connected, and the cathode of diode Dc_a1 is connected with the port c_2 of one end of capacitance Cc_a1 and afterflow module simultaneously, electricity
The other end for holding Cc_a1 is connected with the port c_3 of afterflow module and port c_4 simultaneously.
With reference to figure 6, when using afterflow module preferred embodiment two, embodiment 1 is an auto-excitation type Cuk converters, has pole
The stepping functions of sex reversal.The afterflow module includes capacitance Cc_b1, capacitance Cc_b2, inductance Lc_b1, diode Dc_b1
With diode Dc_b2, one end of capacitance Cc_b1 is connected with the port c_1 of afterflow module, the other end of capacitance Cc_b1 simultaneously with
The anode of diode Dc_b1 is connected with one end of inductance Lc_b1, the other end of inductance Lc_b1 and the cathode phase of diode Dc_b2
Even, the anode of diode Dc_b2 is connected with the port c_2 of one end of capacitance Cc_b2 and afterflow module simultaneously, capacitance Cc_b2's
The other end is connected with the port c_3 of afterflow module and the cathode of port c_4 and diode Dc_b1 simultaneously.Fig. 9 is embodiment 1
Simulation waveform when using afterflow module preferred embodiment two.Its self-excitation working condition as shown in Figure 9, vs1 are the base of Qs_1
Pole-emitter voltage, vs2 are the collector emitter voltage of Qs_1, and vp1 is the base emitter voltage of Qp_1, and vp2 is
The collector emitter voltage of Qp_1, output voltage vo<0.
With reference to figure 7, when using afterflow module preferred embodiment three, embodiment 1 is a self-excitation Sepic converter, is had
Stepping functions.The afterflow module includes capacitance Cc_c1, capacitance Cc_c2, inductance Lc_c1, diode Dc_c1 and diode
One end of Dc_c2, capacitance Cc_c1 are connected with the port c_1 of afterflow module, the other end of capacitance Cc_c1 simultaneously with diode Dc_
The anode of c2 is connected with one end of inductance Lc_c1, the cathode of diode Dc_c2 one end with capacitance Cc_c2 and afterflow mould simultaneously
The port c_2 of block is connected, and the other end of inductance Lc_c1 is connected with the cathode of diode Dc_c1, and the anode of diode Dc_c1 is same
When be connected with the port c_3 of afterflow module and the other end of port c_4 and capacitance Cc_c2.
With reference to figure 8, when using afterflow module preferred embodiment four, embodiment 1 is an auto-excitation type Flyback converters, tool
There are the stepping functions of electrical isolation.The afterflow module includes inductance Lc_d1, diode Dc_d1 and capacitance Cc_d1, inductance
One end of Lc_d1 is connected with the anode of diode Dc_d1, the cathode of diode Dc_d1 simultaneously with one end of capacitance Cc_d1 and continue
The port c_2 of flow module is connected, the other end of capacitance Cc_d1 while the port with the other end and afterflow module of inductance Lc_d1
C_4 is connected, and there are coupled relation, one end of the other end of inductance Lc_d1 and the inductance Lp_1 by inductance Lc_d1 and inductance Lp_1
It is Same Name of Ends.
Embodiment 2
With reference to Fig. 3, the other end of the resistance Rs_2 in embodiment 2 is connected with the anode of power supply Vi, and resistance Rp_1's is another
End is also connected with the anode of power supply Vi.The other structures of embodiment 2 are same as Example 1, the course of work also with 1 phase of embodiment
Seemingly.
Implement 2 applicable afterflow module preferred embodiments one to four.When Figure 10 is that embodiment 2 uses afterflow module preferred embodiment four
Simulation waveform.Its self-excitation working condition as shown in Figure 10, vs1 are the base emitter voltage of Qs_1, vs2 Qs_1
Collector emitter voltage, vp1 be Qp_1 base emitter voltage, vp2 be Qp_1 collector emitter voltage,
Its output voltage vo>0.
Embodiment 3
With reference to Fig. 4, the other end of the resistance Rs_2 in embodiment 3 is connected with one end of load Z, the other end of resistance Rp_1
Also it is connected with one end of load Z.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 three.Figure 11 is embodiment 3 using afterflow module preferred embodiment a period of time
Simulation waveform.Its self-excitation working condition as shown in Figure 11, vs1 are the base emitter voltage of Qs_1, vs2 Qs_1
Collector emitter voltage, vp1 be Qp_1 base emitter voltage, vp2 be Qp_1 collector emitter voltage,
Its output voltage vo>Vi.
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 (6)
1. a kind of inductance is located at the auto-excitation type DC-DC converter of input side, it is characterised in that：The inductance is located at oneself of input side
It includes autonomous units and afterflow module to swash formula DC-DC converter, and the autonomous units include resistance Rs_1, resistance Rs_2, resistance
Rs_3, resistance Rp_1, resistance Rp_2, inductance Lp_1, capacitance Cs_1, capacitance Cp_1, NPN type BJT pipes Qs_1, NPN type BJT pipes
Qp_1, diode Ds_1 and diode Dp_1, the afterflow module include port c_1, port c_2, port c_3 and port c_4,
The effect of the afterflow module is to provide current channel when NPN type BJT pipes Qp_1 ends for inductance Lp_1；
One end of the resistance Rs_1 is connected with one end of the anode of power supply Vi and inductance Lp_1 simultaneously, the other end of resistance Rs_1
Be connected simultaneously with the collector of one end of capacitance Cs_1 and NPN type BJT pipes Qs_1, the base stage of NPN type BJT pipes Qs_1 and meanwhile with electricity
One end of resistance Rs_3 is connected with the cathode of diode Ds_1, the other end of inductance Lp_1 while one end with capacitance Cp_1, NPN type
The collector of BJT pipes Qp_1 is connected with the port c_1 of afterflow module, the other end of capacitance Cp_1 while one end with resistance Rp_1
Be connected with the other end of resistance Rs_3, the base stage of NPN type BJT pipes Qp_1 simultaneously with one end of resistance Rp_2 and diode Dp_1
Cathode is connected, and the other end of resistance Rp_2 is connected with one end of the other end of capacitance Cs_1 and resistance Rs_2 simultaneously, afterflow module
Port c_2 be connected with one end of load Z, the port c_4 of afterflow module is connected with the other end for loading Z, the end of afterflow module
Mouthful c_3 simultaneously with the negative terminal of power supply Vi, the emitter of NPN type BJT pipes Qs_1, the anode of diode Ds_1, NPN type BJT pipes Qp_
1 emitter is connected with the anode of diode Dp_1；
The other end of resistance Rs_2 is connected with the other end of resistance Rs_1, the other end of the other end and inductance Lp_1 of resistance Rp_1
It is connected；Either：The other end of resistance Rs_2 and the other end of resistance Rp_1 are connected to the anode of power supply Vi；Again either：
The other end of resistance Rs_2 and the other end of resistance Rp_1 are connected to one end of load Z.
2. inductance as described in claim 1 is located at the auto-excitation type DC-DC converter of input side, it is characterised in that：The afterflow
The port c_3 of module is connected with port c_4.
3. inductance as claimed in claim 2 is located at the auto-excitation type DC-DC converter of input side, it is characterised in that：The afterflow
Module includes diode Dc_a1 and capacitance Cc_a1, and the anode of diode Dc_a1 is connected with the port c_1 of afterflow module, two poles
The cathode of pipe Dc_a1 is connected with the port c_2 of one end of capacitance Cc_a1 and afterflow module simultaneously, and the other end of capacitance Cc_a1 is same
When be connected with the port c_3 of afterflow module and port c_4.
4. inductance as claimed in claim 2 is located at the auto-excitation type DC-DC converter of input side, it is characterised in that：The afterflow
Module includes capacitance Cc_b1, capacitance Cc_b2, inductance Lc_b1, diode Dc_b1 and diode Dc_b2, and the one of capacitance Cc_b1
End is connected with the port c_1 of afterflow module, the other end of capacitance Cc_b1 while anode and inductance Lc_b1 with diode Dc_b1
One end be connected, the other end of inductance Lc_b1 is connected with the cathode of diode Dc_b2, the anode of diode Dc_b2 and meanwhile with electricity
The one end for holding Cc_b2 is connected with the port c_2 of afterflow module, the other end of capacitance Cc_b2 while the port c_3 with afterflow module
It is connected with the cathode of port c_4 and diode Dc_b1.
5. inductance as claimed in claim 2 is located at the auto-excitation type DC-DC converter of input side, it is characterised in that：The afterflow
Module includes capacitance Cc_c1, capacitance Cc_c2, inductance Lc_c1, diode Dc_c1 and diode Dc_c2, and the one of capacitance Cc_c1
End is connected with the port c_1 of afterflow module, the other end of capacitance Cc_c1 while anode and inductance Lc_c1 with diode Dc_c2
One end be connected, the cathode of diode Dc_c2 is connected with the port c_2 of one end of capacitance Cc_c2 and afterflow module simultaneously, inductance
The other end of Lc_c1 is connected with the cathode of diode Dc_c1, the anode of diode Dc_c1 while the port c_3 with afterflow module
It is connected with the other end of port c_4 and capacitance Cc_c2.
6. inductance as described in claim 1 is located at the auto-excitation type DC-DC converter of input side, it is characterised in that：The afterflow
Module includes inductance Lc_d1, diode Dc_d1 and capacitance Cc_d1, one end of inductance Lc_d1 and the anode phase of diode Dc_d1
Even, the cathode of diode Dc_d1 is connected with the port c_2 of one end of capacitance Cc_d1 and afterflow module simultaneously, capacitance Cc_d1's
The other end is connected with the port c_4 of the other end of inductance Lc_d1 and afterflow module simultaneously, and inductance Lc_d1 and inductance Lp_1 exist
Coupled relation, the other end of inductance Lc_d1 and one end of the inductance Lp_1 are Same Name of Ends.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281104.2A CN108512420A (en) | 2018-04-02 | 2018-04-02 | A kind of inductance is located at the auto-excitation type 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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281104.2A CN108512420A (en) | 2018-04-02 | 2018-04-02 | A kind of inductance is located at the auto-excitation type DC-DC converter of input side |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108512420A true CN108512420A (en) | 2018-09-07 |
Family
ID=63379635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810281104.2A Withdrawn CN108512420A (en) | 2018-04-02 | 2018-04-02 | A kind of inductance is located at the auto-excitation type DC-DC converter of input side |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108512420A (en) |
-
2018
- 2018-04-02 CN CN201810281104.2A patent/CN108512420A/en not_active Withdrawn
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Application publication date: 20180907 |
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| WW01 | Invention patent application withdrawn after publication |