CN108448879A - Expansible connection in series-parallel input circuit - Google Patents
Expansible connection in series-parallel input circuit Download PDFInfo
- Publication number
- CN108448879A CN108448879A CN201810299580.7A CN201810299580A CN108448879A CN 108448879 A CN108448879 A CN 108448879A CN 201810299580 A CN201810299580 A CN 201810299580A CN 108448879 A CN108448879 A CN 108448879A
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- Prior art keywords
- loop
- sub
- resonance
- resonance sub
- load
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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
- H02M1/00—Details of apparatus for conversion
-
- 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
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
-
- 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
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses a kind of expansible connection in series-parallel input circuit, including input terminal, frequency selection circuit 3 and load 4, the input terminal, frequency selection circuit 3 and load 4 are sequentially connected；The frequency selection circuit 3 includes LC resonance sub-loop 1 and LC resonance sub-loop 2；The LC resonance sub-loop 1 and LC resonance sub-loop 2 are selected accordingly according to the difference of input terminal input voltage frequency, are then output to load.Circuit autgmentability provided by the invention is strong, can be used in various multiple input frequencies circuits, application prospect is very extensive.
Description
Technical field
The invention belongs to electronic circuit fields, and in particular to a kind of expansible connection in series-parallel input circuit.
Background technology
Many electronic circuits are all only to have a kind of circuit of input, for example 50/60HZ, 100-240V are handed over currently on the market
(AC) input is flowed, if to input the voltage of other higher frequencies, such as electric ballast, 100KHz can be reached, then
Circuit just needs other specialized circuitry to carry out work；In addition, such as unmanned plane controls motor with frequency changer circuit, idle call becomes
Frequency circuit controls, and realizes that different functions, the performance of circuit will maximize the use under different input frequencies.
However it is also in a lower level in multi-frequency input circuit currently on the market, similar product is relatively
It is few, it is therefore desirable to which that a kind of expansible connection in series-parallel input circuit can work normally in multi-frequency control source, reach desired mesh
Solve existing issue.
Invention content
The present invention provides a kind of expansible connection in series-parallel input circuit for the above technical problem of the existing technology, will
One or more selection circuits in parallel or series, according to the difference of input voltage frequency, select different sub-circuits to work, Xiang Xiang
Same or/and different load provides electric energy.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of expansible connection in series-parallel input circuit, including input terminal, selection circuit 3 and output end；The input terminal, selection
Circuit 3 and output end are sequentially connected；The selection circuit 3 includes multiple LC resonance sub-loops；The multiple LC resonance sub-loop
According to the difference of input terminal voltage frequency, identical or different LC resonance sub-loop is selected to work, and by output end export to
Load.
Preferably, the multiple LC resonance sub-loop is that LC resonance sub-loop 1 and LC resonance sub-loop 2 connect in a series arrangement
It connects.
Preferably, the LC resonance sub-loop 1 includes that the primary coil and the LC of transformer T1, the transformer T1 are humorous
Oscillator circuit 2 is sequentially connected in series.
Preferably, the LC resonance sub-loop 2 is capacitance C1.
Preferably, the LC resonance sub-loop 1 is 1 or more concatenated LC resonance sub-loop.
Preferably, the LC resonance sub-loop 2 is 1 or more concatenated LC resonance sub-loop.
Preferably, the load is the load that prime contains exchange processing circuit, and the exchange processing circuit corresponds to respectively
Corresponding LC resonance sub-loop.
Preferably, the load includes load altogether and does not load altogether.
Preferably, the total load is connect with LC resonance sub-loop 1, LC resonance sub-loop 2.
Preferably, described do not load altogether individually connect with LC resonance sub-loop 1, LC resonance sub-loop 2.
Compared with prior art, the expansible connection in series-parallel input circuit of the present invention at least has the advantages that：
LC resonance sub-loop 1 and LC resonance sub-loop 2 are connected in the expansible connection in series-parallel input circuit of the present invention, LC resonance
Circuit 2 and LC resonance sub-loop 1 can not only work independently, but also can be with cooperating.LC resonance sub-loop 2 and LC resonance sub-loop
When 1 total load connection, two circuit cooperatings, LC resonance sub-loop 2 and LC resonance sub-loop 1 are according to input terminal input voltage
Frequency selected, the frequency of input supply voltage is suitble to which circuit of which circuit to work, no matter which circuit work
Make to give load 4 power supply.When LC resonance sub-loop 2 and LC resonance sub-loop 1 do not load altogether, two circuits are according to input electricity
The frequency of source voltage works, and two circuits work independently.LC resonance sub-loop 2 and the control of LC resonance sub-loop 1 load 4,
To realizing by judging the frequency of input supply voltage, corresponding circuit works.Various multi-frequency powers can be used in
In voltage input circuit, application prospect is very extensive.
Description of the drawings
Fig. 1 is concrete principle figure when a kind of expansible connection in series-parallel input circuit of the present invention loads altogether；
Fig. 2 is a kind of functional block diagram of expansible connection in series-parallel input circuit of the present invention；
Fig. 3 is concrete principle figure when a kind of expansible connection in series-parallel input circuit of the present invention does not load altogether.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples, and following embodiment is descriptive, is not
Limited, protection scope of the present invention cannot be limited with this.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the present invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
A kind of expansible connection in series-parallel input circuit of the present invention is illustrated in conjunction with Fig. 1.As shown in Figure 1, can for the present invention
The circuit diagram of connection in series-parallel input circuit, including input terminal, selection circuit and output end are extended, wherein：
Input terminal, selection circuit 3 and output end are sequentially connected, and input terminal is used for powering to selection circuit and output end；Choosing
It selects circuit to be selected according to input terminal supply voltage frequency, then selects corresponding sub-circuit to work, finally by defeated
Outlet output voltage is to load.The supply voltage of input terminal can be that high frequency voltage can also be low-frequency voltage, by selection circuit
It is carried out selecting suitable sub-circuit according to the frequency of input terminal input voltage.The load is that prime contains exchange processing circuit
Load, the exchange processing circuit correspond to corresponding LC resonance sub-loop respectively.
In expansible connection in series-parallel input circuit as shown in Figure 1, the selection circuit 3 includes LC resonance sub-loop 2 and LC
Resonance sub-loop 1.LC resonance sub-loop 2 and LC resonance sub-loop 1 are connected in series with, and capacitance C1 and transformer T1 are connected in series with.Electricity
Holding the model or size of C1 and transformer T1 can be configured as needed；Input terminal passes through LC resonance sub-loop 2 and LC
Resonance sub-loop 1 is powered, after LC resonance sub-loop 2 and the energization of LC resonance sub-loop 1, LC resonance sub-loop 2 and LC resonance
Circuit 1 is selected according to input terminal input supply voltage frequency.
Such as：If input terminal input supply voltage is high frequency voltage, by LC resonance sub-loop 2 and LC resonance sub-loop 1
It is selected, because being high frequency voltage, transformer T1 generates larger impedance, and capacitance C1 is equivalent to short circuit, so LC resonance returns
Road 2 does not work, and LC resonance sub-loop 1 is selected, and works after the selection of LC resonance sub-loop 1, then output voltage is given
Load 4.If input terminal input supply voltage is low-frequency voltage, because being low-frequency voltage, the induction reactance that transformer T1 is generated is relatively low,
Transformer T1 is equivalent to short circuit, so LC resonance sub-loop 1 does not work, LC resonance sub-loop 2 is selected, LC resonance sub-loop
It works after 2 selections, then output voltage is to load.
Such as when inputting 220V alternating current of the frequency for 50HZ, since input supply voltage frequency is relatively low, so LC resonance is sub
Circuit 1 does not work without selection, LC resonance sub-loop 1；LC resonance sub-loop 2 is selected, and after selection, LC resonance returns
Road 2 works, and output voltage is to load 4.If input 50KHZ, when 80V voltages, since input supply voltage frequency is higher,
So LC resonance sub-loop 2, without selection, LC resonance sub-loop 2 does not work, and LC resonance sub-loop 1 is selected, it is selected
Afterwards, LC resonance sub-loop 1 works, and output voltage is to load 4.
Preferably, LC resonance sub-loop 2 and LC resonance sub-loop 1 can be one or more in selection circuit 3, with series connection
Or mode in parallel realizes more functions to support to realize the connection of more multi-load.
Specifically, load 4 can be the electric currents such as power switch, motor, diode, loud speaker or voltage controlled element.
Load 4 can be that total load connection can also be not load connection altogether.If the connection type of load 4 is load altogether, LC resonance
Sub-loop 2 and LC resonance sub-loop 1 are selected according to input supply voltage frequency, and corresponding circuit selects corresponding frequency
The circuit of the input supply voltage of rate, selection works.If input be LC resonance sub-loop 2 can with selected voltage,
LC resonance sub-loop 2 is selected, and then LC resonance sub-loop 2 works；It can be selected if it is LC resonance sub-loop 1
Voltage, LC resonance sub-loop 1 are selected, and then LC resonance sub-loop 1 works.It can be in the exchange of input different frequency
When electric signal, different working conditions is realized in load 4.It can be carried out selecting if it is two circuits, then two circuits can
It is worked together with being superimposed.
If the connection type of load 4 is not load altogether, when input supply voltage frequency and which circuit match, which
Circuit is selected, and is worked independently after selection, and two circuits are independent of each other, and LC resonance sub-loop 2 controls LC resonance and returns
The load that road 2 connects, LC resonance sub-loop 1 control the load of 1 connection of LC resonance sub-loop.
As shown in Fig. 2, physical circuit schematic diagram when being loaded altogether for a kind of expansible connection in series-parallel input circuit of the present invention, packet
Input terminal, frequency selection circuit 1, exchange processing sub-circuit 5, exchange processing sub-circuit 6, diode D1, diode D2 and load RL are included,
Wherein：
The mode of load 4 is that load connects altogether in Fig. 2.
Frequency selection circuit 1 includes a LC resonance sub-loop 2 and a LC resonance sub-loop 1, LC in the present embodiment in Fig. 2
Resonance sub-loop 2 exchanges processing sub-circuit 5 and diode D1, exchange processing 5 He of sub-circuit with a connection of LC resonance sub-loop 1
Diode D1 connections load RL.Exchange processing sub-circuit 5 is used for constant current, and either constant pressure or invariable power or realization specifically become
Change, diode D1 is for being isolated corresponding operating circuit under corresponding circuit interference different frequency, to realize that multi-frequency is negative
Load can work normally.Capacitance C1 and transformer T1 series connection, LC resonance sub-loop 2 and LC resonance sub-loop 1 are connected.If input
It is LC resonance sub-loop 2 to be selected with selected voltage, LC resonance sub-loop 2, C1 is equivalent to short circuit, LC resonance sub-loop
1 does not work, and then LC resonance sub-loop 2 works, after exchange processing sub-circuit 6 is handled output to diode D2 and
RL.It can be selected with selected voltage, LC resonance sub-loop 1 if it is LC resonance sub-loop 1, transformer T1 is equivalent to short
Road, LC resonance sub-loop 2 do not work, and then LC resonance sub-loop 1 works, and exchange processing sub-circuit 5 is defeated after being handled
Go out to diode D1 and load RL.It can be carried out selecting if it is two circuits, then two circuits can be superimposed common work
Make, exchange processing sub-circuit 5 and exchange processing sub-circuit 6 handled after export to diode D1, diode D2 and load RL.
As shown in figure 3, for a kind of physical circuit schematic diagram that expansible connection in series-parallel input circuit does not load altogether of the present invention, packet
It includes input terminal, frequency selection circuit 1 and exchanges processing sub-circuit 7, exchange processing sub-circuit 8, exchange processing electricity 9, exchange processing
Circuit 10, load RL1, load RL2, load RL3 and load RL4, wherein：
Load 4 is not load connection altogether in Fig. 3.
Frequency selection circuit 1 includes LC resonance sub-loop 201, LC resonance sub-loop 202, LC resonance in the present embodiment in Fig. 3
Sub-loop 101, LC resonance sub-loop 102, LC resonance sub-loop 101, LC resonance sub-loop 102, LC resonance sub-loop 201, LC
Resonance sub-loop 202 is separately connected exchange processing sub-circuit 7, exchange processing sub-circuit 9, exchange processing electricity 8, exchange processing
Circuit 10, exchange processing sub-circuit 7, exchange processing sub-circuit 9, exchange processing electricity 8, exchange processing sub-circuit 10 are separately connected
Load RL1, load RL2, load RL3 and load RL4.LC resonance sub-loop 101 includes transformer T2, LC resonance sub-loop
102 include transformer T3, and LC resonance sub-loop 201 includes transformer C2, and LC resonance sub-loop 202 includes transformer
C3；Transformer T2, capacitance C2, transformer T3 and capacitance C3 series connection.Exchange processing sub-circuit is used for constant current either constant pressure or perseverance
Power realizes specific variation.When input supply voltage frequency and which circuit match, which circuit is selected, choosing
It works independently after selecting, two circuits are independent of each other, and LC resonance sub-loop 2 controls the load of 2 connection of LC resonance sub-loop, LC
Resonance sub-loop 1 controls the load of 1 connection of LC resonance sub-loop.
More than, it is merely preferred embodiments of the present invention, but the protection domain invented is not limited thereto, it is any ripe
Know those skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in should all be contained
Lid is within protection scope of the present invention.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (7)
1. a kind of expansible connection in series-parallel input circuit, which is characterized in that including input terminal, selection circuit (3) and output end；It is described
Input terminal, selection circuit (3) and output end are sequentially connected；The selection circuit (3) includes multiple LC resonance sub-loops；It is described more
A LC resonance sub-loop selects identical or different LC resonance sub-loop to work, and lead to according to the difference of input terminal voltage frequency
Output end is crossed to export to load.
2. expansible connection in series-parallel input circuit according to claim 1, which is characterized in that the multiple LC resonance sub-loop
It is connected in a series arrangement for LC resonance sub-loop (1) and LC resonance sub-loop (2), the LC resonance sub-loop (1) includes transformation
Device T1, the primary coil of the transformer T1 are sequentially connected in series with the LC resonance sub-loop (2), the LC resonance sub-loop (2)
For capacitance C1.
3. expansible connection in series-parallel input circuit according to claim 2, which is characterized in that the LC resonance sub-loop (1)
For 1 or more concatenated LC resonance sub-loop.
4. expansible connection in series-parallel input circuit according to claim 2, which is characterized in that the LC resonance sub-loop (2)
For 1 or more concatenated LC resonance sub-loop.
5. expansible connection in series-parallel input circuit according to claim 1, which is characterized in that the load is that prime contains friendship
The load of stream process circuit, the exchange processing circuit correspond to corresponding LC resonance sub-loop respectively, and the load includes negative altogether
It carries and does not load altogether.
6. expansible connection in series-parallel input circuit according to claim 5, which is characterized in that the total load and LC resonance
Circuit (1), LC resonance sub-loop (2) connection.
7. expansible connection in series-parallel input circuit according to claim 5, which is characterized in that described not load altogether individually
It is connect with LC resonance sub-loop (1), LC resonance sub-loop (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299580.7A CN108448879A (en) | 2018-04-04 | 2018-04-04 | Expansible connection in series-parallel input circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299580.7A CN108448879A (en) | 2018-04-04 | 2018-04-04 | Expansible connection in series-parallel input circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108448879A true CN108448879A (en) | 2018-08-24 |
Family
ID=63198249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299580.7A Withdrawn CN108448879A (en) | 2018-04-04 | 2018-04-04 | Expansible connection in series-parallel input circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108448879A (en) |
-
2018
- 2018-04-04 CN CN201810299580.7A patent/CN108448879A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |
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| WW01 | Invention patent application withdrawn after publication |