CN109067153A - A kind of high-low pressure input rectifying filter circuit - Google Patents
A kind of high-low pressure input rectifying filter circuit Download PDFInfo
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- CN109067153A CN109067153A CN201811028226.7A CN201811028226A CN109067153A CN 109067153 A CN109067153 A CN 109067153A CN 201811028226 A CN201811028226 A CN 201811028226A CN 109067153 A CN109067153 A CN 109067153A
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- 239000003990 capacitor Substances 0.000 claims abstract description 68
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of high-low pressure input rectifying filter circuits, are made of input high-frequency filter circuit with current rectifying and wave filtering circuit.First capacitor CX1, the second capacitor CX2 and high-frequency inductor LF1 constitute input high-frequency filter circuit；First diode D1, the second diode D2, third diode D3, the 4th diode D4, the first electrolytic capacitor C1, the second electrolytic capacitor C2 and switch K constitute current rectifying and wave filtering circuit.By increasing an optional switch K in current rectifying and wave filtering circuit, so as to neatly be configured to the condenser network of rectifier, it is set as voltage-doubler rectifier in 110V input, and is set as bridge rectifier in 220V input.High-low pressure input rectifying filter circuit of the present invention is realized realizes that high-low pressure input, output all in 310V or more, solve the limitation that other input rectifying filter circuits cannot be compatible with high-low pressure input simultaneously on an input rectifying filter circuit.
Description
Technical field
The present invention relates to switch power technology fields, and in particular to a kind of high-low pressure input rectifying filter circuit.
Background technique
There are several types of halfwave rectifier filter circuits, bridge rectifier filtered electrical for common power input current rectifying and wave filtering circuit
Road and voltage multiplying rectifier filter circuit.Their working principle is to utilize rectifier diode one-way conduction characteristic by AC-input voltage
It is converted into smooth DC voltage.
The DC--DC power converter circuit input voltage of present Off-line SMPS is usually high pressure 300V or more.With
When upper three kinds of circuits cannot all realize low pressure and high input voltage simultaneously, output is all high pressure 300V or more, they can be only applied to
Univoltage input.Such as: halfwave rectifier filter circuit and bridge rectifier filter circuit are when input voltage is low pressure 110V, output electricity
Pressure is also low pressure, and when input voltage is high pressure 220V, output is also high pressure；Voltage multiplying rectifier filter circuit, when input voltage is
When low pressure 110V, output voltage is high pressure.
Summary of the invention
In view of this, output voltage cannot all be high pressure in order to solve in the prior art when high pressure or low pressure input
Technical problem, the present invention propose a kind of high-low pressure input rectifying filter circuit, belong to power input rectification and filter circuit, application
Input rectifying and filtering in off-line switching power supply.
The present invention is solved the above problems by following technological means:
A kind of high-low pressure input rectifying filter circuit, comprising:
Input high-frequency filter circuit comprising first capacitor CX1, the second capacitor CX2 and high-frequency inductor LF1；High-frequency inductor
One end of one end connection first capacitor CX1 of the first winding of LF1, the second electricity of other end connection of the first winding of high-frequency inductor LF1
Hold one end of CX2, the other end of one end connection first capacitor CX1 of the second winding of high-frequency inductor LF1, high-frequency inductor LF1 second
The other end of winding connects the other end of the second capacitor CX2, and one end of first capacitor CX1 connects the pole input voltage L, first capacitor
The other end of CX1 connects the pole input voltage N；
Current rectifying and wave filtering circuit comprising first diode D1, the second diode D2, third diode D3, the 4th diode
D4, the first electrolytic capacitor C1, the second electrolytic capacitor C2 and switch K；One end connection first diode D1 of second capacitor CX2 is just
Pole, the anode of the other end connection third diode D3 of the second capacitor CX2, the cathode of first diode D1 connect third diode
The cathode of D3, the cathode of third diode D3 connect the anode of the first electrolytic capacitor C1, the anode connection of first diode D1 the
The cathode of two diode D2, the cathode of the 4th diode D4 of anode connection of third diode D3, the anode of the second diode D2
Connect the anode of the 4th diode D4, the cathode of the second electrolytic capacitor C2 of anode connection of the 4th diode D4, the first electrolysis electricity
The cathode for holding C1 connects the anode of the second electrolytic capacitor C2, one end of the cathode connection switch K of the first electrolytic capacitor C1, switch K
The other end connection third diode D3 anode, the first electrolytic capacitor C1 anode connection DC-DC power inverter anode,
The cathode of the cathode connection DC-DC power inverter of second electrolytic capacitor C2.
Further, the input voltage is AC110V or AC220V.
Compared with prior art, beneficial effects of the present invention include at least:
High-low pressure input rectifying filter circuit of the present invention, which is realized, realizes high-low pressure on an input rectifying filter circuit
Input, output all in 310V or more, solve the limitation that other input rectifying filter circuits cannot be compatible with high-low pressure input simultaneously.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the circuit diagram of high-low pressure input rectifying filter circuit of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with attached drawing and specifically
Embodiment technical solution of the present invention is described in detail.It should be pointed out that described embodiment is only this hair
Bright a part of the embodiment, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of high-low pressure input rectifying filter circuit, including input high-frequency filter circuit and
Current rectifying and wave filtering circuit, in which:
The input high-frequency filter circuit includes first capacitor CX1, the second capacitor CX2 and high-frequency inductor LF1；High-frequency inductor
One end of one end connection first capacitor CX1 of the first winding of LF1, the second electricity of other end connection of the first winding of high-frequency inductor LF1
Hold one end of CX2, the other end of one end connection first capacitor CX1 of the second winding of high-frequency inductor LF1, high-frequency inductor LF1 second
The other end of winding connects the other end of the second capacitor CX2, and one end of first capacitor CX1 connects the pole input voltage L, first capacitor
The other end of CX1 connects the pole input voltage N；
The current rectifying and wave filtering circuit includes first diode D1, the second diode D2, third diode D3, the 4th diode
D4, the first electrolytic capacitor C1, the second electrolytic capacitor C2 and switch K；One end connection first diode D1 of second capacitor CX2 is just
Pole, the anode of the other end connection third diode D3 of the second capacitor CX2, the cathode of first diode D1 connect third diode
The cathode of D3, the cathode of third diode D3 connect the anode of the first electrolytic capacitor C1, the anode connection of first diode D1 the
The cathode of two diode D2, the cathode of the 4th diode D4 of anode connection of third diode D3, the anode of the second diode D2
Connect the anode of the 4th diode D4, the cathode of the second electrolytic capacitor C2 of anode connection of the 4th diode D4, the first electrolysis electricity
The cathode for holding C1 connects the anode of the second electrolytic capacitor C2, one end of the cathode connection switch K of the first electrolytic capacitor C1, switch K
The other end connection third diode D3 anode, the first electrolytic capacitor C1 anode connection DC-DC power inverter anode,
The cathode of the cathode connection DC-DC power inverter of second electrolytic capacitor C2.
Specifically, the input voltage is AC110V or AC220V.
High-low pressure input rectifying filter circuit of the invention is made of input high-frequency filter circuit with current rectifying and wave filtering circuit.
First capacitor CX1, the second capacitor CX2 and high-frequency inductor LF1 constitute input high-frequency filter circuit；First diode D1, second
Diode D2, third diode D3, the 4th diode D4, the first electrolytic capacitor C1, the second electrolytic capacitor C2 and switch K are constituted
Current rectifying and wave filtering circuit.By increasing an optional switch K in current rectifying and wave filtering circuit, so as to neatly to rectifier
Condenser network be configured, be set as voltage-doubler rectifier in 110V input, and be set as bridge rectifier in 220V input
Device.Concrete principle is as follows:
110V input, by switch K closure, make third diode D3 and the 4th diode D4 respectively with the first electrolytic capacitor C1
In parallel with the second electrolytic capacitor C2, third diode D3 and the 4th diode D4 will be in reverse bias in whole cycle,
It is no longer turned on.In voltage positive half period, first diode D1 conducting charges to the first electrolytic capacitor C1, the first electrolysis electricity
Hold the upper end C1 to be positive；In voltage negative half-cycle, the second diode D2 conducting charges to the second electrolytic capacitor C2, the second electrolysis electricity
Hold the upper end C2 to be positive.Because the first electrolytic capacitor C1 and the second electrolytic capacitor C2 be it is concatenated, output voltage is on two capacitors
The sum of voltage, then obtained required multiplication of voltage, voltage is close to 310V.
When 220V is inputted, switch K is disconnected, first diode D1, the second diode D2, third diode D3, the four or two
Pole pipe D4 constitutes a full-bridge rectifier, and the voltage after rectifying and wave-filtering is close to 310V.
High-low pressure input rectifying filter circuit of the present invention, which is realized, realizes high-low pressure on an input rectifying filter circuit
Input, output all in 310V or more, solve the limitation that other input rectifying filter circuits cannot be compatible with high-low pressure input simultaneously.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (2)
1. a kind of high-low pressure input rectifying filter circuit characterized by comprising
Input high-frequency filter circuit comprising first capacitor CX1, the second capacitor CX2 and high-frequency inductor LF1；High-frequency inductor LF1
One end of one end connection first capacitor CX1 of one winding, the other end of the first winding of high-frequency inductor LF1 connect the second capacitor CX2
One end, the second winding of high-frequency inductor LF1 one end connection first capacitor CX1 the other end, the second winding of high-frequency inductor LF1
The other end connects the other end of the second capacitor CX2, and one end of first capacitor CX1 connects the pole input voltage L, first capacitor CX1's
The other end connects the pole input voltage N；
Current rectifying and wave filtering circuit comprising first diode D1, the second diode D2, third diode D3, the 4th diode D4,
One electrolytic capacitor C1, the second electrolytic capacitor C2 and switch K；The anode of one end connection first diode D1 of second capacitor CX2, the
The anode of the other end connection third diode D3 of two capacitor CX2, the cathode connection third diode D3's of first diode D1
Cathode, the cathode of third diode D3 connect the anode of the first electrolytic capacitor C1, the anode connection the two or two of first diode D1
The cathode of pole pipe D2, the cathode of the 4th diode D4 of anode connection of third diode D3, the anode connection of the second diode D2
The anode of 4th diode D4, the cathode of the second electrolytic capacitor C2 of anode connection of the 4th diode D4, the first electrolytic capacitor C1
Cathode connect the second electrolytic capacitor C2 anode, one end of the cathode connection switch K of the first electrolytic capacitor C1, switch K's is another
The anode of one end connection third diode D3, the anode of the anode connection DC-DC power inverter of the first electrolytic capacitor C1, second
The cathode of the cathode connection DC-DC power inverter of electrolytic capacitor C2.
2. high-low pressure input rectifying filter circuit according to claim 1, which is characterized in that the input voltage is
AC110V or AC220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028226.7A CN109067153A (en) | 2018-09-04 | 2018-09-04 | A kind of high-low pressure input rectifying filter circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811028226.7A CN109067153A (en) | 2018-09-04 | 2018-09-04 | A kind of high-low pressure input rectifying filter circuit |
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| Publication Number | Publication Date |
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| CN109067153A true CN109067153A (en) | 2018-12-21 |
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|---|---|---|---|
| CN201811028226.7A Pending CN109067153A (en) | 2018-09-04 | 2018-09-04 | A kind of high-low pressure input rectifying filter circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818412A (en) * | 2019-01-04 | 2019-05-28 | 四川虹美智能科技有限公司 | A kind of controller and method for realizing twin voltage input |
| CN111446872A (en) * | 2020-04-01 | 2020-07-24 | 石家庄通合电子科技股份有限公司 | Transformer transformation ratio adjustable wide-range constant power output switching circuit |
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| WO1998016993A1 (en) * | 1996-10-11 | 1998-04-23 | Daikin Industries, Ltd. | Converter |
| CN1386040A (en) * | 2001-05-16 | 2002-12-18 | 邓树兴 | Low-harmonic compact type energy-saving lamp electronic ballast |
| CN1523948A (en) * | 2003-09-09 | 2004-08-25 | 旭 刘 | Trapped wave reaction type passive correction electronic ballast |
| TW200830685A (en) * | 2007-01-03 | 2008-07-16 | Good Will Instr Co Ltd | Auto-switching circuit of power supply circuit and power supply circuit capable of auto switching |
| CN101232170A (en) * | 2007-01-26 | 2008-07-30 | 固纬电子实业股份有限公司 | Automatic switchover circuit and power supplying circuit with automatic switchover function |
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| CN201742111U (en) * | 2010-05-25 | 2011-02-09 | 安徽浩淼光电科技有限公司 | Wind-solar energy intelligent controller base on three-phase dual voltage rectifier |
| CN104682691A (en) * | 2015-02-11 | 2015-06-03 | 上海广为焊接设备有限公司 | EMC solution for inverter welding machine |
| CN208754178U (en) * | 2018-09-04 | 2019-04-16 | 广东明丰电源电器实业有限公司 | A kind of high-low pressure input rectifying filter circuit |
-
2018
- 2018-09-04 CN CN201811028226.7A patent/CN109067153A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998016993A1 (en) * | 1996-10-11 | 1998-04-23 | Daikin Industries, Ltd. | Converter |
| CN1386040A (en) * | 2001-05-16 | 2002-12-18 | 邓树兴 | Low-harmonic compact type energy-saving lamp electronic ballast |
| CN1523948A (en) * | 2003-09-09 | 2004-08-25 | 旭 刘 | Trapped wave reaction type passive correction electronic ballast |
| TW200830685A (en) * | 2007-01-03 | 2008-07-16 | Good Will Instr Co Ltd | Auto-switching circuit of power supply circuit and power supply circuit capable of auto switching |
| CN101232170A (en) * | 2007-01-26 | 2008-07-30 | 固纬电子实业股份有限公司 | Automatic switchover circuit and power supplying circuit with automatic switchover function |
| CN201467550U (en) * | 2009-06-30 | 2010-05-12 | 深圳市垅运照明电器有限公司 | Electronic amperite circuit of fluorescent lamp |
| CN101860057A (en) * | 2010-05-25 | 2010-10-13 | 安徽浩淼光电科技有限公司 | Wind-solar energy source intelligent controller based on three-phase dual-voltage rectification |
| CN201742111U (en) * | 2010-05-25 | 2011-02-09 | 安徽浩淼光电科技有限公司 | Wind-solar energy intelligent controller base on three-phase dual voltage rectifier |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818412A (en) * | 2019-01-04 | 2019-05-28 | 四川虹美智能科技有限公司 | A kind of controller and method for realizing twin voltage input |
| CN111446872A (en) * | 2020-04-01 | 2020-07-24 | 石家庄通合电子科技股份有限公司 | Transformer transformation ratio adjustable wide-range constant power output switching circuit |
| CN111446872B (en) * | 2020-04-01 | 2021-08-31 | 石家庄通合电子科技股份有限公司 | Transformer transformation ratio adjustable wide-range constant power output switching circuit |
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