CN206775406U - Suitable for high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier - Google Patents
Suitable for high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier Download PDFInfo
- Publication number
- CN206775406U CN206775406U CN201720236110.7U CN201720236110U CN206775406U CN 206775406 U CN206775406 U CN 206775406U CN 201720236110 U CN201720236110 U CN 201720236110U CN 206775406 U CN206775406 U CN 206775406U
- Authority
- CN
- China
- Prior art keywords
- input end
- synchronous
- output port
- end mouth
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Rectifiers (AREA)
Abstract
The utility model discloses one kind to be applied to high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier, including main circuit module, synchronous buck module and control circuit module three parts, described main circuit module includes two ac input end mouths, two direct current output ports and a main circuit, described synchronous buck module includes two ac input end mouths, two synchronism output ports being depressured and a synchronous buck circuit, described control circuit module and includes two synchronous input end mouths and a control circuit.The utility model is compared with traditional current doubler rectifier, it may be directly applied to high-pressure type rectification circuit, without being depressured in input increase step-down transformer, it is not only suitable for conventional square wave, it is applied to the conversion of the powers of alterating and direct current such as sine wave, triangular wave, sawtooth waveforms again, the voltage of direct current output port can also be adjusted, and can also reduce and improve the ripple of output voltage.
Description
Technical field
A times flow pattern rectifier is the utility model is related to, is that one kind is related to suitable for high pressure and adjustable list more specifically
Phase optocoupler times flow pattern buck rectifier.
Background technology
Currently, traditional current doubler rectifier is used in high-frequency rectification field more, compared with full-wave rectifying circuit, times stream rectification
The vice-side winding of the high frequency transformer of device only needs a single winding, without centre cap；Compared with full bridge rectifier, times stream
The few half of number of diodes that rectification circuit uses.Therefore, current-doubling rectifier combines full-wave rectifying circuit and full-bridge rectification
The advantages of both circuits.Certainly, current-doubling rectifier will use an output inductor, structure slightly complicated more.But this electricity
The working frequency and conveying electric current of sense are the half of inductance used in full-wave rectifying circuit, therefore can be made smaller, are also beneficial to dissipate
Heat, additionally it is possible to reduce and improve the ripple of output voltage.But traditional current doubler rectifier is there is also person that some problems need into one
Step solves：
（1）Traditional current doubler rectifier is not directly applicable high-pressure type rectification circuit, to realize that step-down rectifier exports, leads to
Often to increase step-down transformer in its input to be matched therewith, thus can produce higher cost；
（2）Traditional current doubler rectifier is suitable only for high-frequency rectification circuit, its ac input end need to provide symmetrical high frequency just,
Negative square wave power, it is generally unsuitable for the ac input end power supply of the other forms such as sine wave, triangular wave, sawtooth waveforms；
（3）Traditional current doubler rectifier is difficult to the adjustment to its output voltage.
The content of the invention
In view of this, the utility model, which aims to provide, a kind of is applied to high pressure and adjustable single-phase optocoupler times flow pattern decompression is whole
Flow device, the defects of traditional current doubler rectifier can be overcome to exist.
The function that traditional current doubler rectifier exports to realize step-down rectifier, generally to increase decompression in ac input end and become
Depressor is matched therewith, and the primary conductive pathway of every half of work period is brought out from the one of the secondary side of step-down transformer
Hair, through inductance, output loading, one of diode, returns the other end of the secondary side of step-down transformer, now conforms to the principle of simplicity
From the point of view of in the quantitative relationship of change, output voltage subtracts the pressure on inductance equal to the AC-input voltage of the secondary side of step-down transformer
Drop and the pressure drop of diode, but the linear zone of diode is narrower, it operates mainly in switch region, because diode pressure drop very
It is small, if ignoring the pressure drop of diode, it is believed that it is secondary that the main output voltage of every half of work period is equal to step-down transformer
The AC-input voltage of side subtracts pressure drop on inductance.If diode is substituted for the photoelectrical coupler of linear zone wider range,
Reject step-down transformer simultaneously, then the main output voltage of current doubler rectifier subtracts the pressure drop on inductance equal to AC-input voltage,
The pressure drop between photoelectrical coupler output par, c port is subtracted again, can also be realized the step-down rectifier output of current doubler rectifier, be entered
One step, traditional current doubler rectifier are difficult to the adjustment to its output voltage.
In order to realize the purpose of foregoing invention, the utility model is specifically provided suitable for high pressure and adjustable single-phase optocoupler times
Flow pattern buck rectifier technical scheme is：Including main circuit module, synchronous buck module and control circuit module three parts.
（1）Described main circuit module includes two ac input end mouths, two direct current output ports and a main circuit,
Two of which ac input end mouth is respectively ac input end mouth ACH-in1With ac input end mouth ACH-in2, two direct current outputs
Port is respectively direct current output port DCOUT+With direct current output port DCOUT-, further, main circuit again by inductance L1, inductance L2,
Photoelectrical coupler U1 output par, cs and photoelectrical coupler U2 output par, cs composition, ac input end mouth ACH-in1With photoelectrical coupler
The emitter stage of U2 output par, cs, inductance L2 one end are connected, inductance the L2 other end and direct current output port DCOUT+, inductance L1
One end be connected, the inductance L1 other end and the emitter stage of photoelectrical coupler U1 output par, cs, ac input end mouth ACH-in2Phase
Even, the colelctor electrode of photoelectrical coupler U1 output par, cs and the colelctor electrode of photoelectrical coupler U2 output par, cs, direct current output port
DCOUT-It is connected；
（2）Described synchronous buck module includes two ac input end mouths, two synchronism output ports and one being depressured
Individual synchronous buck circuit, two of which ac input end mouth are respectively ac input end mouth ACL-in1With ac input end mouth
ACL-in2, the synchronism output port of two decompressions is respectively synchronism output port SYOUT1With synchronism output port SYOUT2, synchronous drop
Volt circuit is made up of conventional device, and it acts on the two ac input end mouths and synchronous buck module that are to maintain main circuit module
Signal is synchronous between two synchronism output ports, and reduces the amplitude of its output voltage, to match the control circuit mould
The running parameter of block；
（3）Described control circuit module includes two synchronous input end mouths and a control circuit, and two of which is synchronous
Input port is respectively synchronous input end mouth SYin1With synchronous input end mouth SYin2, further, control circuit is again by adjustable resistance
Rw, resistance R1, resistance R2, photoelectrical coupler U1 importations and photoelectrical coupler U2 importations composition, synchronous input end mouth
SYin1It is connected with adjustable resistance Rw one end, the adjustable resistance Rw other end and resistance R1 one end and resistance R2 one end phase
Even, synchronous input end mouth SYin2Diode cathode, photoelectrical coupler U2 importations with photoelectrical coupler U1 importations
Diode anode is connected, and the resistance R1 other end is connected with the diode anode of photoelectrical coupler U1 importations, resistance R2's
The other end is connected with the diode cathode of photoelectrical coupler U2 importations；
（4）The ac input end mouth AC of main circuit moduleH-in1, synchronous buck module ac input end mouth ACL-in1With it is outer
The exchange input bus Line1 connect is connected, the ac input end mouth AC of main circuit moduleH-in2, synchronous buck module exchange it is defeated
Inbound port ACL-in2It is connected with the external input bus Line2 that exchanges, the synchronism output port SY of synchronous buck moduleOUT1With control
The synchronous input end mouth SY of circuit module processedin1It is connected, the synchronism output port SY of synchronous buck moduleOUT2With control circuit mould
The synchronous input end mouth SY of blockin2It is connected, the direct current output port DC of main circuit moduleOUT+With direct current output port DCOUT-Between
For external load RL；
（5）In the week of operating voltage between external exchange input bus Line1 and external exchange input bus Line2
Phase is divided into positive half period and negative half-cycle two large divisions：
When being operated in positive half period, described synchronous buck module input only has a guiding path, synchronous buck
Also there was only a guiding path between module output end and control circuit module, described main circuit module there are two guiding paths
Footpath, the guiding path of wherein synchronous buck module input is through exchanging input bus Line1 until the friendship of synchronous buck module
Flow input port ACL-in1, synchronous buck inside modules synchronous buck circuit, the ac input end mouth of synchronous buck module
ACL-in2, then to exchange input bus Line2, the guiding path between synchronous buck module output end and control circuit module is
Synchronism output port SYOUT1, control circuit module synchronous input end mouth SYin1, adjustable resistance Rw, resistance R1, photoelectrical coupler
U1 importations, synchronous input end mouth SYin2, synchronous buck module synchronism output port SYOUT2, synchronous buck inside modules
Synchronous buck circuit, return synchronism output port SYOUT1；
And first guiding path of main circuit module is until main circuit module through external exchange input bus Line1
Ac input end mouth ACH-in1, inductance L2, direct current output port DCOUT+, external load RL, direct current output port DCOUT-, light
Electric coupler U1 output par, cs and ac input end mouth ACH-in2, return external exchange input bus Line2；Main circuit mould
The Article 2 guiding path of block, mainly by inductance L1 after previous negative half-cycle energy storage, what is formed in positive half period is continuous
Road is flowed back to, i.e., from inductance L1, by direct current output port DCOUT+, external load RL, direct current output port DCOUT-And photoelectricity
Coupler U1 output par, cs, return inductance L1；
When being operated in negative half-cycle, described synchronous buck module input also only has a guiding path, synchronous drop
Also there was only a guiding path between die block output end and control circuit module, described main circuit module also there are two conductings
Path, the guiding path of wherein synchronous buck module input is through exchanging input bus Line2 until synchronous buck module
Ac input end mouth ACL-in2, synchronous buck inside modules synchronous buck circuit, the ac input end mouth of synchronous buck module
ACL-in1, then to exchange input bus Line1, the guiding path between synchronous buck module output end and control circuit module is
Synchronism output port SYOUT2, control circuit module synchronous input end mouth SYin2, photoelectrical coupler U2 importations, resistance R2,
Adjustable resistance Rw, synchronous input end mouth SYin1, synchronous buck module synchronism output port SYOUT1, synchronous buck inside modules
Synchronous buck circuit, return synchronism output port SYOUT2；
And first guiding path of main circuit module is until main circuit module through external exchange input bus Line2
Ac input end mouth ACH-in2, inductance L1, direct current output port DCOUT+, external load RL, direct current output port DCOUT-, light
Electric coupler U2 output par, cs and ac input end ACH-in1, then to external exchange input bus Line1；Main circuit module
Article 2 guiding path, mainly by inductance L2 after previous positive half period energy storage, the afterflow formed in negative half-cycle is returned
Road, i.e., from inductance L2, by direct current output port DCOUT+, external load RL, direct current output port DCOUT-And photoelectric coupling
Device U2 output par, cs, return inductance L2；In addition, positive half period or negative half-cycle are either operated in, direct current output port
DCOUT+Voltage be higher than direct current output port DCOUT-Voltage, during which again all benefit from inductance L1 and inductance L2 energy storage and afterflow
Effect, not only realize high-voltage one-phase rectification function, also achieve times a stream rectification function, and can also reduce and improve defeated
Go out the ripple of voltage.
The beneficial effects of the utility model, which are to provide, a kind of is applied to high pressure and adjustable single-phase optocoupler times flow pattern decompression is whole
Device is flowed, has and designs simple, rational in infrastructure, structure conveniently, the cheap characteristic of cost, can be straight compared with traditional current doubler rectifier
Scoop out and be used for high-pressure type rectification circuit, without being depressured in input increase step-down transformer, be not only suitable for conventional square wave,
It is applied to the conversion of the powers of alterating and direct current such as sine wave, triangular wave, sawtooth waveforms again, the voltage of direct current output port can also be adjusted
It is whole, and can also reduce and improve the ripple of output voltage.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme, embodiment or technical scheme will be retouched below
The required accompanying drawing used is briefly described in stating, it should be apparent that, drawings in the following description are only of the present utility model
The explanation of more typical example structure composition or circuit diagram, for those skilled in the art, is not paying creative work
On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of canonical schema of traditional current doubler rectifier.
Fig. 2 applies to high pressure and a kind of adjustable single-phase canonical schema of optocoupler times flow pattern buck rectifier.
Fig. 3 applies to high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier is operated in positive half period guiding path
Schematic diagram.
Fig. 4 applies to high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier is operated in negative half-cycle guiding path
Schematic diagram.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the utility model technology composition, technical scheme and embodiment are clearly and completely described, shown
So, described embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on this practicality
Embodiment in new, other implementations that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belong to the scope of the utility model protection.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in Figure 1, it is a kind of canonical schema of traditional current doubler rectifier.Traditional current doubler rectifier is depressured to realize
The function of rectification output, generally to increase step-down transformer in ac input end and be matched therewith, every half of work period
Primary conductive pathway is one end of the secondary side from step-down transformer, through inductance, output loading, one of those two pole
Pipe, the other end of the secondary side of step-down transformer is returned, now from simplified quantitative relationship, output voltage is equal to drop
The AC-input voltage of the secondary side of pressure transformer subtracts the pressure drop on inductance and the pressure drop of diode, but diode is linear
Area is narrower, and it operates mainly in switch region, because of the pressure drop very little of diode, if ignoring the pressure drop of diode, it is believed that per half
The AC-input voltage that the main output voltage of individual work period is equal to step-down transformer secondary side subtracts pressure drop on inductance.In addition
There is a continuous current circuit every half of work period, additionally it is possible to reduces and improve the ripple of output voltage.
As shown in Figure 2, high pressure and a kind of typical case's signal of adjustable single-phase optocoupler times flow pattern buck rectifier are applied to
Figure, including main circuit module, synchronous buck module and control circuit module three parts；
（1）Described main circuit module includes two ac input end mouths, two direct current output ports and a main circuit,
Two of which ac input end mouth is respectively ac input end mouth ACH-in1With ac input end mouth ACH-in2, two direct current outputs
Port is respectively direct current output port DCOUT+With direct current output port DCOUT-, further, main circuit again by inductance L1, inductance L2,
Photoelectrical coupler U1 output par, cs and photoelectrical coupler U2 output par, cs composition, ac input end mouth ACH-in1With photoelectrical coupler
The emitter stage of U2 output par, cs, inductance L2 one end are connected, inductance the L2 other end and direct current output port DCOUT+, inductance L1
One end be connected, the inductance L1 other end and the emitter stage of photoelectrical coupler U1 output par, cs, ac input end mouth ACH-in2Phase
Even, the colelctor electrode of photoelectrical coupler U1 output par, cs and the colelctor electrode of photoelectrical coupler U2 output par, cs, direct current output port
DCOUT-It is connected；
（2）Described synchronous buck module includes two ac input end mouths, two synchronism output ports and one being depressured
Individual synchronous buck circuit, two of which ac input end mouth are respectively ac input end mouth ACL-in1With ac input end mouth
ACL-in2, the synchronism output port of two decompressions is respectively synchronism output port SYOUT1With synchronism output port SYOUT2, synchronous drop
Volt circuit is made up of conventional device, and it acts on the two ac input end mouths and synchronous buck module that are to maintain main circuit module
Signal is synchronous between two synchronism output ports, and reduces the amplitude of its output voltage, to match the control circuit mould
The running parameter of block；
（3）Described control circuit module includes two synchronous input end mouths and a control circuit, and two of which is synchronous
Input port is respectively synchronous input end mouth SYin1With synchronous input end mouth SYin2, further, control circuit is again by adjustable resistance
Rw, resistance R1, resistance R2, photoelectrical coupler U1 importations and photoelectrical coupler U2 importations composition, synchronous input end mouth
SYin1It is connected with adjustable resistance Rw one end, the adjustable resistance Rw other end and resistance R1 one end and resistance R2 one end phase
Even, synchronous input end mouth SYin2Diode cathode, photoelectrical coupler U2 importations with photoelectrical coupler U1 importations
Diode anode is connected, and the resistance R1 other end is connected with the diode anode of photoelectrical coupler U1 importations, resistance R2's
The other end is connected with the diode cathode of photoelectrical coupler U2 importations；
（4）The ac input end mouth AC of main circuit moduleH-in1, synchronous buck module ac input end mouth ACL-in1With it is outer
The exchange input bus Line1 connect is connected, the ac input end mouth AC of main circuit moduleH-in2, synchronous buck module exchange it is defeated
Inbound port ACL-in2It is connected with the external input bus Line2 that exchanges, the synchronism output port SY of synchronous buck moduleOUT1With control
The synchronous input end mouth SY of circuit module processedin1It is connected, the synchronism output port SY of synchronous buck moduleOUT2With control circuit mould
The synchronous input end mouth SY of blockin2It is connected, the direct current output port DC of main circuit moduleOUT+With direct current output port DCOUT-Between
For external load RL.
In the cycle of operating voltage between external exchange input bus Line1 and external exchange input bus Line2
It is divided into positive half period and negative half-cycle two large divisions.
As shown in Figure 3, apply to high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier is operated in positive half cycle
Phase guiding path schematic diagram, when being operated in positive half period, described synchronous buck module input only has a guiding path,
Also there was only a guiding path between synchronous buck module output end and control circuit module, described main circuit module there are two
Guiding path, the guiding path of wherein synchronous buck module input is through exchanging input bus Line1 until synchronous buck mould
The ac input end mouth AC of blockL-in1, synchronous buck inside modules synchronous buck circuit, the ac input end of synchronous buck module
Mouth ACL-in2, then to exchange input bus Line2, the guiding path between synchronous buck module output end and control circuit module
It is synchronism output port SYOUT1, control circuit module synchronous input end mouth SYin1, adjustable resistance Rw, resistance R1, photoelectric coupling
Device U1 importations, synchronous input end mouth SYin2, synchronous buck module synchronism output port SYOUT2, in synchronous buck module
The synchronous buck circuit in portion, return synchronism output port SYOUT1；
And first guiding path of main circuit module is until main circuit module through external exchange input bus Line1
Ac input end mouth ACH-in1, inductance L2, direct current output port DCOUT+, external load RL, direct current output port DCOUT-, light
Electric coupler U1 output par, cs and ac input end mouth ACH-in2, return external exchange input bus Line2；Main circuit mould
The Article 2 guiding path of block, mainly by inductance L1 after previous negative half-cycle energy storage, what is formed in positive half period is continuous
Road is flowed back to, i.e., from inductance L1, by direct current output port DCOUT+, external load RL, direct current output port DCOUT-And photoelectricity
Coupler U1 output par, cs, return inductance L1.
As shown in Figure 4, apply to high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier is operated in negative half period
Phase guiding path schematic diagram, when being operated in negative half-cycle, described synchronous buck module input also only has a guiding path
Footpath, also there was only a guiding path, described main circuit module between synchronous buck module output end and control circuit module
There are two guiding paths, the guiding path of wherein synchronous buck module input is through exchanging input bus Line2 until synchronization
The ac input end mouth AC of voltage reduction moduleL-in2, synchronous buck inside modules synchronous buck circuit, synchronous buck module exchange
Input port ACL-in1, then to exchange input bus Line1, leading between synchronous buck module output end and control circuit module
Path is synchronism output port SYOUT2, control circuit module synchronous input end mouth SYin2, photoelectrical coupler U2 input units
Divide, resistance R2, adjustable resistance Rw, synchronous input end mouth SYin1, synchronous buck module synchronism output port SYOUT1, synchronous drop
Synchronous buck circuit inside die block, return synchronism output port SYOUT2；
And first guiding path of main circuit module is until main circuit module through external exchange input bus Line2
Ac input end mouth ACH-in2, inductance L1, direct current output port DCOUT+, external load RL, direct current output port DCOUT-, light
Electric coupler U2 output par, cs and ac input end ACH-in1, then to external exchange input bus Line1；Main circuit module
Article 2 guiding path, mainly by inductance L2 after previous positive half period energy storage, the afterflow formed in negative half-cycle is returned
Road, i.e., from inductance L2, by direct current output port DCOUT+, external load RL, direct current output port DCOUT-And photoelectric coupling
Device U2 output par, cs, return inductance L2；
In addition, positive half period or negative half-cycle are either operated in, direct current output port DCOUT+Voltage be higher than direct current
Output port DCOUT-Voltage, during which again all benefit from inductance L1 and the effect of inductance L2 energy storage and afterflow, not only realize height
Single-phase rectifier function is pressed, also achieves a times stream rectification function, and can also reduce and improve the ripple of output voltage.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation.If various changes and modifications are carried out to the utility model embodiment, but still in spirit of the present utility model and original
Within then, it should be included within claims of the present utility model.
Claims (1)
1. it is applied to high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier, including main circuit module, synchronous buck module
With control circuit module three parts, it is characterized in that：
（1）Described main circuit module includes two ac input end mouths, two direct current output ports and a main circuit, wherein
Two ac input end mouths are respectively ac input end mouth ACH-in1With ac input end mouth ACH-in2, two direct current output ports
Respectively direct current output port DCOUT+With direct current output port DCOUT-, main circuit is again by inductance L1, inductance L2, photoelectrical coupler
U1 output par, cs and photoelectrical coupler U2 output par, cs composition, ac input end mouth ACH-in1With photoelectrical coupler U2 output par, cs
Emitter stage, inductance L2 one end be connected, the inductance L2 other end and direct current output port DCOUT+, inductance L1 one end be connected,
The inductance L1 other end and the emitter stage of photoelectrical coupler U1 output par, cs, ac input end mouth ACH-in2It is connected, photoelectrical coupler
The colelctor electrode of U1 output par, cs and the colelctor electrode of photoelectrical coupler U2 output par, cs, the DC of direct current output portOUT-It is connected；
（2）It is same that described synchronous buck module includes two ac input end mouths, two synchronism output ports being depressured and one
Reduction voltage circuit is walked, two of which ac input end mouth is respectively ac input end mouth ACL-in1With ac input end mouth ACL-in2, two
The synchronism output port of individual decompression is respectively synchronism output port SYOUT1With synchronism output port SYOUT2, synchronous buck circuit by
Conventional device forms, and two ac input end mouths that its effect is to maintain main circuit module are synchronous with two of synchronous buck module
Signal is synchronous between output port, and reduces the amplitude of its output voltage, to match the work of the control circuit module
Parameter；
（3）Described control circuit module includes two synchronous input end mouths and a control circuit, and two of which synchronously inputs
Port is respectively synchronous input end mouth SYin1With synchronous input end mouth SYin2, control circuit is again by adjustable resistance Rw, resistance R1, electricity
Hinder R2, photoelectrical coupler U1 importations and photoelectrical coupler U2 importations composition, synchronous input end mouth SYin1With adjustable electric
Resistance Rw one end is connected, and the adjustable resistance Rw other end is connected with one end of resistance R1 one end and resistance R2, synchronous input end
Mouth SYin2Diode cathode, the diode anode phase of photoelectrical coupler U2 importations with photoelectrical coupler U1 importations
Even, the resistance R1 other end is connected with the diode anode of photoelectrical coupler U1 importations, resistance the R2 other end and photoelectricity
The diode cathode of coupler U2 importations is connected；
（4）The ac input end mouth AC of main circuit moduleH-in1, synchronous buck module ac input end mouth ACL-in1With it is external
Exchange input bus Line1 is connected, the ac input end mouth AC of main circuit moduleH-in2, synchronous buck module ac input end
Mouth ACL-in2It is connected with the external input bus Line2 that exchanges, the synchronism output port SY of synchronous buck moduleOUT1With control electricity
The synchronous input end mouth SY of road modulein1It is connected, the synchronism output port SY of synchronous buck moduleOUT2With control circuit module
Synchronous input end mouth SYin2It is connected, the direct current output port DC of main circuit moduleOUT+With direct current output port DCOUT-Between be used for
External load RL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720236110.7U CN206775406U (en) | 2017-03-13 | 2017-03-13 | Suitable for high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720236110.7U CN206775406U (en) | 2017-03-13 | 2017-03-13 | Suitable for high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775406U true CN206775406U (en) | 2017-12-19 |
Family
ID=60633395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720236110.7U Expired - Fee Related CN206775406U (en) | 2017-03-13 | 2017-03-13 | Suitable for high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655831A (en) * | 2017-03-13 | 2017-05-10 | 湖南工业大学 | Adjustable single-phase optocoupler current double type step-down rectifier applicable to high voltages |
-
2017
- 2017-03-13 CN CN201720236110.7U patent/CN206775406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655831A (en) * | 2017-03-13 | 2017-05-10 | 湖南工业大学 | Adjustable single-phase optocoupler current double type step-down rectifier applicable to high voltages |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205283423U (en) | Three -phase PFC rectifier circuit | |
| CN105450030B (en) | Dual transformer becomes winding isolated converter and its control method | |
| CN108235509B (en) | A kind of single-stage LED drive circuit of integrated decompression Cuk and LLC circuit | |
| CN102299649A (en) | Power supply converter | |
| CN203327305U (en) | Bridge-free PFC plus T type three-level inversion frequency-conversion light modulator | |
| CN206585478U (en) | Suitable for the single-phase optocoupler times flow pattern buck rectifier of high pressure | |
| CN107052527B (en) | A kind of high-power SiC arc burying welding power source | |
| CN206620064U (en) | Suitable for the adjustable single-phase optocoupler times flow pattern buck rectifier of high companding flow structure | |
| CN206686096U (en) | The adjustable single-phase optocoupler times flow pattern buck rectifier for expanding flow structure | |
| CN206620066U (en) | Adjustable single-phase optocoupler times flow pattern buck rectifier | |
| CN206775406U (en) | Suitable for high pressure and adjustable single-phase optocoupler times flow pattern buck rectifier | |
| CN106655831A (en) | Adjustable single-phase optocoupler current double type step-down rectifier applicable to high voltages | |
| TWI530074B (en) | Converter circuit with power factor correction | |
| CN206620065U (en) | Suitable for the single-phase optocoupler times flow pattern buck rectifier of high companding flow structure | |
| CN206698139U (en) | Expand the single-phase optocoupler times flow pattern buck rectifier of flow structure | |
| CN206620063U (en) | Single-phase optocoupler times flow pattern buck rectifier | |
| CN104967304B (en) | One kind is based on no bridge CUK isolated form Three Phase Power Factor Correction Converters | |
| CN106685248A (en) | Adjustable single-phase optocoupler double current step-down rectifier suitable for high voltage current expansion structure | |
| CN106877702A (en) | Adjustable single-phase optocoupler times flow pattern buck rectifier | |
| CN106655821A (en) | Single-phase optocoupler current double type step-down rectifier applicable to high voltages | |
| CN107070265A (en) | The adjustable single-phase optocoupler times flow pattern buck rectifier for expanding flow structure | |
| CN106655832A (en) | Single-phase optical-coupler current-double voltage reduction rectifier with current expansion structure | |
| CN107070266A (en) | Suitable for the single-phase optocoupler times flow pattern buck rectifier of high companding flow structure | |
| CN204190641U (en) | Based on the high-power PWM rectifier circuit topological structure of LCL filtering | |
| CN202617030U (en) | Multi-level photovoltaic grid connected inverter with isolation transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20190313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |