CN108023487A - A kind of power inverter based on switching capacity and division driving transformer - Google Patents
A kind of power inverter based on switching capacity and division driving transformer Download PDFInfo
- Publication number
- CN108023487A CN108023487A CN201810088004.8A CN201810088004A CN108023487A CN 108023487 A CN108023487 A CN 108023487A CN 201810088004 A CN201810088004 A CN 201810088004A CN 108023487 A CN108023487 A CN 108023487A
- Authority
- CN
- China
- Prior art keywords
- division driving
- driving transformer
- power
- inverter
- input
- 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.)
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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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- H02M1/0048—Circuits or arrangements for reducing losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a kind of power inverter based on switching capacity and division driving transformer in power inverter field, including job class selector, power transmission distributor, inverter, division driving transformer and rectifier, the output terminal of job class selector is electrically connected with the input terminal of power transmission distributor, the output terminal of power transmission distributor is electrically connected with the input terminal of inverter, the output terminal of inverter is electrically connected with the input terminal of division driving transformer, and the output terminal of division driving transformer is electrically connected with the input terminal of rectifier；Power converter proposed by the invention is compared with conventional power converter, work that can be more efficient at higher switching frequencies and in wider array of working range, available in each class of electronic devices.
Description
Technical field
It is more particularly to a kind of to be based on switching capacity and division driving transformer the present invention relates to a kind of switching power converter
Power inverter.
Background technology
Power inverter is a kind of electronic equipment that certain electric current can be converted to other types electric current, its apply and its
Wide model, especially in computer, communication, often requires that power inverter in the application such as Medical Devices high power density and quick anti-
Should.This area research direction is intended to more high conversion efficiency and wider array of job applications scope, such as voltage range and power model
Enclose, while it is also proposed the requirement of higher to system reliability.
In actual design process, for conventional power converters, generally using magnetic field transducer and isolating transformer come
Realize that power is changed, for the application of slightly higher requirement, generally realize power using high-gain transformer or coupling inductor
Conversion, but inductance leakage inductance effect and the parasitic antenna effect strong influence of the transformer property of this kind of power converter
Can, it is not realized and work under the requirement of high switching frequency, work at the same time scope, for example voltage and power bracket are also subject to
How limitation, therefore, efficiently reduce and the parasitic antenna effect of eliminating transformer（Including parasitic capacitance, dead resistance and
Stray inductance）Design to power inverter proposes the requirement of higher.
The content of the invention
The object of the present invention is to provide a kind of power inverter based on switching capacity and division driving transformer, Ke Yi
More efficient work under the switching frequency of higher and in wider array of working range.
The object of the present invention is achieved like this：A kind of power conversion based on switching capacity and division driving transformer
Device, including job class selector, power transmission distributor, inverter, division driving transformer and rectifier, the work
The output terminal of ranking selector is electrically connected with the input terminal of power transmission distributor, the output terminal of power transmission distributor and inversion
The input terminal of device is electrically connected, and the output terminal of inverter is electrically connected with the input terminal of division driving transformer, division driving transformer
Output terminal be electrically connected with the input terminal of rectifier；
The job class selector determines the work of power converter needs according to the voltage amplitude of signal source input signal
Voltage range；
The power transmission distributor will be further divided into multiple works by the signal source input signal of job class selector
Make section, the inverter in respective section is then distributed to by switched-capacitor circuit；
The division driving transformer is provided with multiple input port and corresponds to different voltage power supply sections, multivoltage workspace
Between signal to be exported after division driving transformer be multiple signals；
The multiple signals of input are integrated into output of the signal as power converter by the rectifier.
Further as the present invention limits, and the job class selector includes an input terminal and several outputs
Hold, the controlling switch of different voltages scope is provided with the output terminal, and short circuit has power-balance electricity between adjacent output terminal
Hold；The controlling switch of each by stages is respectively turned on the circuit of this voltage range in different voltage ranges so that source input letter
The subsequent conditioning circuit for number being input into corresponding voltage range carries out subsequent treatment.
Further as the present invention limits, and the power transmission distributor includes multiple input section and multiple output areas
Between, it is connected between input interval and output interval through switched-capacitor circuit, power transmission distributor will further pass through work etc.
The source input signal of level selector is further divided into multiple operation intervals, is then distributed to each by switched-capacitor circuit
The inverter in section.
Further as the present invention limits, and the division driving transformer includes multiple input port and multiple output terminals
Mouthful, the input port corresponds to different operation intervals, and the input signal of transformer is each independent.
Further as the present invention limits, and the rectifier includes multiple commutation controllers, the commutation controller and
The output port of division driving transformer corresponds, the input terminal of the commutation controller and the output port of driving transformer
Corresponding connection, the commutation controller select switched-capacitor circuit.
Further as the present invention limits, as the defeated of power inverter after the output terminal parallel connection of the commutation controller
Outlet.
Further as the present invention limits, as the defeated of power inverter after the output terminal series connection of the commutation controller
Outlet.
Compared with prior art, the beneficial effects of the present invention are switched-capacitor circuit and division driving become in the present invention
The synthetic circuit design of depressor can effectively absorb the parasitic antenna of transformer, so that transformer parasitic effect is substantially reduced, its
Secondary, the cooperation of division driving transforming circuit and job class selection circuit and power transmission distributor circuit make it that power conversion can
Efficiently to be realized under broader voltage environment, in addition, the fortune of inverter circuit and rectifier control circuit based on switching capacity
With the loss that can greatly reduce transformer, transfer efficiency is improved；Power converter proposed by the invention and conventional power turn
Parallel operation is compared, work that can be more efficient at higher switching frequencies and in wider array of working range.Volume of the present invention can use
In each class of electronic devices.
Brief description of the drawings
Fig. 1 is structural principle block diagram of the present invention.
Fig. 2 selects voltage range circuit diagram for job class selector in the present invention.
Fig. 3 is the power transmission distributor circuit schematic diagram based on switching capacity in the present invention.
Fig. 4 is division driving transformer circuit schematic diagram in the present invention.
Fig. 5 is transformer parasitic element equivalent circuit schematic diagram in the present invention.
Fig. 6 is that the rectifier control circuit of switching capacity in the present invention is connected in parallel schematic diagram.
Fig. 7 is that the rectifier control circuit of switching capacity in the present invention is connected in series schematic diagram.
Embodiment
With reference to specific embodiment, the present invention will be further described.
The present invention is directed the design of power converter, the power converter system structure and application block diagram proposed is such as
Shown in Fig. 1, main circuit blocks include job class selector, power transmission distributor, inverter, division driving transformer,
And rectifier.
The function of job class selector is to determine this power converter according to the voltage amplitude of signal source input signal
Which voltage range need to be operated in, in order to the more efficient work of follow-up division driving transformer, a kind of electricity of embodiment
Road schematic diagram is as shown in Fig. 2, the controlling switch of each by stages is respectively turned on the electricity of this voltage range in different voltage ranges
Road so that the subsequent conditioning circuit that source input signal is input into corresponding voltage range carries out subsequent treatment, by section in the present embodiment
It is divided into：0 ~ 5V, 5 ~ 10V, 10 ~ 15V ..., 40 ~ 60V, 60 ~ 100V, short circuit has power balancing capacitance between adjacent interval.
Power transmission distributor will further be further divided into multiple by the source input signal of job class selector
Narrow operation interval, the inverter in respective section is then distributed to by switched-capacitor circuit and then is become again by division driving
Depressor carries out power conversion；A kind of circuit diagram of embodiment of power transmission distributor based on switching capacity is as schemed
Shown in 3, in figure by taking 5 voltage ranges as an example, power transmission distributor is divided into 5 road signals by source signal is inputted, and inputs respectively
Multiple AC signals are generated to the inverter circuit of 5 operation intervals and input to subsequent singulation driving transformer circuit, herein
Inverter can be any qualified inverter circuit.
The circuit diagram of division driving transformer is as shown in figure 4, the multiple input port of division driving transformer corresponds to
In different operation intervals, narrow operation interval can improve power conversion accuracy, while the input signal of transformer after subdivision
Each independent, transformer parasitic element equivalent model is shown in Fig. 5, and each transformer coil combination can produce parasitic capacitance
A coil combination is illustrate only in Cj1, Cj2 and spurious impedance Zj, Fig. 5, division driving transformer proposed by the present invention combines
Front end circuit, the cooperation for including power transmission distributor and inverter are run, operation of the parasitic antenna in Fig. 5 in front end circuit
In obtain unified simplification, it is so and traditional so the loss effect of the parasitic antenna of transformer is absorbed in itself by front end circuit
Transformer is compared, and division driving transformer circuit proposed by the present invention can overcome ghost effect, so as to obtain the conversion of higher
Efficiency.
The signal in multivoltage section exported after division driving transformer for multiple signals, it is necessary to utilize multiple rectification controls
Device processed reintegrates into output of the signal as power converter, depending on power converter output signal loads institute
Need the voltage levels of signal, output commutation controller can realizing in parallel or series using transformer output signal, power
When converter output signal voltage is relatively low, commutation controller can export transformer output signal parallel connection again, a kind of embodiment party
As shown in fig. 6, if power converter output signal voltage is higher, commutation controller can connect transformer output signal formula
Export again, a kind of embodiment is as shown in Figure 7.
The designing scheme of new power converter proposed by the present invention a kind of, primary step switching capacity and division driving
The synthetic circuit design of transformer, can effectively be inhaled using power transmission distributor circuit and division driving transformer come transformation conversion
The parasitic antenna of transformer is received, so that transformer parasitic effect is substantially reduced, secondly, division driving transforming circuit and job class
The cooperation of selection circuit and power transmission distributor circuit is so that power conversion can be more efficient under broader voltage range
Realize, in addition, the reasonable utilization of inverter circuit and rectifier control circuit based on switching capacity can greatly reduce transformer
Loss, improves transfer efficiency.Power converter proposed by the invention is compared with conventional power converter, can opening in higher
Close work more efficient under frequency and in wider array of working range.
The invention is not limited in above-described embodiment, on the basis of technical solution disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can make one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (7)
1. a kind of power inverter based on switching capacity and division driving transformer, it is characterised in that selected including job class
Select device, power transmission distributor, inverter, division driving transformer and rectifier, the output of the job class selector
End is electrically connected with the input terminal of power transmission distributor, and the output terminal of power transmission distributor and the input terminal of inverter are electrically connected
Connect, the output terminal of inverter is electrically connected with the input terminal of division driving transformer, the output terminal of division driving transformer and rectification
The input terminal of device is electrically connected；
The job class selector determines the work of power converter needs according to the voltage amplitude of signal source input signal
Voltage range；
The power transmission distributor will be further divided into multiple works by the signal source input signal of job class selector
Make section, the inverter in respective section is then distributed to by switched-capacitor circuit；
The division driving transformer is provided with multiple input port and corresponds to different voltage power supply sections, multivoltage workspace
Between signal to be exported after division driving transformer be multiple signals；
The multiple signals of input are integrated into output of the signal as power converter by the rectifier.
2. a kind of power inverter based on switching capacity and division driving transformer according to claim 1, its feature
It is, the job class selector includes an input terminal and several output terminals, and different electricity are provided with the output terminal
The controlling switch of scope is pressed, and short circuit has power balancing capacitance between adjacent output terminal；The controlling switch of each by stages is in difference
Voltage range in be respectively turned on the circuit of this voltage range so that source input signal is input into the follow-up of corresponding voltage range
Circuit carries out subsequent treatment.
3. a kind of power inverter based on switching capacity and division driving transformer according to claim 2, its feature
It is, the power transmission distributor includes multiple input section and multiple output intervals, between input interval and output interval
It is connected through switched-capacitor circuit, power transmission distributor further will be further by the source input signal of job class selector
Multiple operation intervals are divided into, the inverter in respective section is then distributed to by switched-capacitor circuit.
4. a kind of power inverter based on switching capacity and division driving transformer according to claim 3, its feature
It is, the division driving transformer includes multiple input port and multiple output ports, and the input port corresponds to difference
Operation interval, the input signal of transformer is each independent.
5. a kind of power inverter based on switching capacity and division driving transformer according to claim 4, its feature
It is, the rectifier includes multiple commutation controllers, the output port one of the commutation controller and division driving transformer
One corresponds to, the connection corresponding with the output port of driving transformer of the input terminal of the commutation controller, the commutation controller choosing
Use switched-capacitor circuit.
6. a kind of power inverter based on switching capacity and division driving transformer according to claim 5, its feature
It is, the output terminal after the output terminal parallel connection of the commutation controller as power inverter.
7. a kind of power inverter based on switching capacity and division driving transformer according to claim 5, its feature
It is, the output terminal after the output terminal series connection of the commutation controller as power inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088004.8A CN108023487A (en) | 2018-01-30 | 2018-01-30 | A kind of power inverter based on switching capacity and division driving transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810088004.8A CN108023487A (en) | 2018-01-30 | 2018-01-30 | A kind of power inverter based on switching capacity and division driving transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108023487A true CN108023487A (en) | 2018-05-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810088004.8A Pending CN108023487A (en) | 2018-01-30 | 2018-01-30 | A kind of power inverter based on switching capacity and division driving transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2375551A2 (en) * | 2010-04-07 | 2011-10-12 | alpitronic GmbH | Commuting method, commuting circuit and electric energy converter |
| CN103391009A (en) * | 2013-07-18 | 2013-11-13 | 厦门大学 | High-gain isolated type direct current-direct current (DC-DC) convertor |
| CN104218798A (en) * | 2014-09-18 | 2014-12-17 | 天津大学 | High voltage gain bidirectional DC-DC (direct current-direct current) converter based on switching capacitors and coupling inductors |
| CN104756385A (en) * | 2012-10-31 | 2015-07-01 | 麻省理工学院 | Systems and methods for a variable frequency multiplier power converter |
| US20160190943A1 (en) * | 2013-10-29 | 2016-06-30 | Massachusetts Institute Of Technology | Switched-Capacitor Split Drive Transformer Power Conversion Circuit |
| CN208820684U (en) * | 2018-01-30 | 2019-05-03 | 扬州华鼎电器有限公司 | A kind of power inverter based on switching capacity and division driving transformer |
-
2018
- 2018-01-30 CN CN201810088004.8A patent/CN108023487A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2375551A2 (en) * | 2010-04-07 | 2011-10-12 | alpitronic GmbH | Commuting method, commuting circuit and electric energy converter |
| CN104756385A (en) * | 2012-10-31 | 2015-07-01 | 麻省理工学院 | Systems and methods for a variable frequency multiplier power converter |
| CN103391009A (en) * | 2013-07-18 | 2013-11-13 | 厦门大学 | High-gain isolated type direct current-direct current (DC-DC) convertor |
| US20160190943A1 (en) * | 2013-10-29 | 2016-06-30 | Massachusetts Institute Of Technology | Switched-Capacitor Split Drive Transformer Power Conversion Circuit |
| CN104218798A (en) * | 2014-09-18 | 2014-12-17 | 天津大学 | High voltage gain bidirectional DC-DC (direct current-direct current) converter based on switching capacitors and coupling inductors |
| CN208820684U (en) * | 2018-01-30 | 2019-05-03 | 扬州华鼎电器有限公司 | A kind of power inverter based on switching capacity and division driving transformer |
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