CN104779784A - Single-phase power factor corrector with voltage boosting and reduction functions - Google Patents
Single-phase power factor corrector with voltage boosting and reduction functions Download PDFInfo
- Publication number
- CN104779784A CN104779784A CN201410017080.1A CN201410017080A CN104779784A CN 104779784 A CN104779784 A CN 104779784A CN 201410017080 A CN201410017080 A CN 201410017080A CN 104779784 A CN104779784 A CN 104779784A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention provides a single-phase power factor corrector with voltage boosting and reduction functions. A purpose of stable output voltage is achieved by forming a parallel state by virtue of a voltage boosting circuit and a voltage reduction circuit.
Description
Technical field
The invention relates to a kind of single-phase power factor corrector of tool stepping functions, and relate to a kind of corrector of stability contorting output voltage especially.
Background technology
Figure 1 shows that the circuit diagram of a known boost PFC correcting circuit.In the boost PFC circuit framework of Fig. 1, comprise rectifier bridge and a boost PFC circuit that one has four diodes, one first output and one second output, wherein this rectifier bridge receives an AC-input voltage Vin, this boost PFC circuit comprises the switch S of tool one first end and one second end, the inductance L of one tool one first end and one second end, the diode D of one tool one anode and a negative electrode and the output capacitance C of tool one first end and one second end, and export a direct voltage Vo, wherein this first end of this switch S is coupled in this second end of this second end of this inductance L and this anode of this diode D, this second end of this switch S is coupled in this second output of this rectifier bridge and this second end of this output capacitance C, this first end of this inductance is coupled in this first output of this rectifier bridge, and this first end of this output capacitance is coupled in this negative electrode of this diode D, when switch S is opened, input power Vin is to inductance L energy storage, when switch S turns off, input power Vin provide power output, and the energy be simultaneously stored in inductance L is also transferred in load.
Figure 2 shows that the circuit diagram of a known voltage-dropping type pfc circuit.In the voltage-dropping type pfc circuit framework of Fig. 2, comprise rectifier bridge and a step-down pfc circuit that one has four diodes, one first output and one second output, wherein this rectifier bridge also receives an AC-input voltage Vin, this step-down pfc circuit also comprises the switch S of tool one first end and one second end, the inductance L of one tool one first end and one second end, the diode D of one tool one anode and a negative electrode and the output capacitance C of tool one first end and one second end, and also export a direct voltage Vo, the relation just connected is different from this boost PFC circuit in Fig. 1, wherein this first end of this switch S is coupled in this first output of this rectifier bridge, this second end of this switch S is coupled in this first end of this inductance L and this negative electrode of this diode D, this anode of this diode D is coupled in this second output of this rectifier bridge and this second end of this output capacitance C, and this second end of this inductance is coupled in this first end of this output capacitance, when switch S is opened, input power Vin provide power output, simultaneously to inductance L energy storage, when switch S turns off, the energy be stored in inductance is transferred in load by diode D.
But, in boost PFC circuit, its output voltage must always higher than input voltage, magnitude of voltage standing is at present at about 400V, for most electronic load, the high pressure of 400V cannot directly use, and must add an isolated buck or regulating circuit again, and under the condition that inputs in low pressure of the voltage difference of output voltage and input voltage, efficiency is on the low side.And in voltage-dropping type pfc circuit, all comparatively boost PFC circuit is poor for its total harmonic distortion and power factor, and switch drive and current detecting also more complicated, and cause Bulk capacitance energy storage lower because output voltage is low, so Bulk electric capacity needs larger, thus retention time corresponding minimizing.
Therefore, inventor, in view of the disappearance of known techniques, for solving known problem, being the idea thought and improve, proposing a technology solved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of single-phase power factor corrector of tool stepping functions, by booster circuit and reduction voltage circuit being formed state in parallel, to reach the object of regulated output voltage.
For reaching above-mentioned or other object, the present invention proposes a kind of single-phase power factor corrector of tool stepping functions, and this corrector and an Input voltage terminal and an output voltage terminal couple.Wherein this corrector includes a booster circuit, a reduction voltage circuit, a judging unit and a processing unit.Wherein this reduction voltage circuit forms aspect in parallel with this booster circuit, so no matter the magnitude of voltage of Input voltage terminal why, this corrector can decide the state of carrying out state or the step-down of boosting according to the magnitude of voltage of Input voltage terminal, by this magnitude of voltage that exports of regulated output voltage end.
In sum, booster circuit and reduction voltage circuit can be formed state in parallel, to reach the object of regulated output voltage by the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram one of known techniques.
Fig. 2 is the schematic diagram two of known techniques.
Fig. 3 is the circuit diagram of present pre-ferred embodiments.
Fig. 4 is the circuit diagram of Fig. 3 boosting unit.
Fig. 5 is the circuit diagram of Fig. 3 reduction voltage circuit.
Fig. 6 is the magnitude of voltage comparison diagram one of Input voltage terminal and this output voltage terminal.
Fig. 7 is the magnitude of voltage comparison diagram two of Input voltage terminal and this output voltage terminal.
Embodiment
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below.
Refer to shown in Fig. 3 to Fig. 5, it is the circuit diagram of present pre-ferred embodiments.The present invention proposes the single-phase power factor corrector (1) of a tool stepping functions, and this corrector (1) couples with an Input voltage terminal (2) and an output voltage terminal (3).Wherein this corrector (1) includes a booster circuit (11), a reduction voltage circuit (12), a judging unit (13) and a processing unit (14).
This booster circuit (11) can couple with this Input voltage terminal (2) and this output voltage terminal (3), use and the voltage flowing through this booster circuit (11) is promoted its magnitude of voltage, and this booster circuit (11) has the boosting unit (110) and one first switch element (111) that couple mutually.Wherein this boosting unit (110) has an Inductive component (110a) of a first end and one second end, one boosted switch assembly (110c) of one diode (110b) of one anode tap and a cathode terminal and a first end and one second end, and this second end of this Inductive component (110a), this first end of this boosted switch assembly (110c) and this anode tap of this diode (110b) are formed and couple, and this first switch element (111) and this first end of this Inductive component (110c) or this cathode terminal of this diode (110b) are formed and couple (the present embodiment is coupled to example with this cathode terminal of the first switch element and this diode).
This reduction voltage circuit (12) can couple with this Input voltage terminal (2) and this output voltage terminal (3), use and the voltage flowing through this reduction voltage circuit (12) is reduced its magnitude of voltage, and this reduction voltage circuit (12) and this booster circuit (11) form aspect in parallel, and this reduction voltage circuit (12) has the pressure unit (120) and a second switch unit (121) that couple mutually.Wherein this pressure unit (120) has an Inductive component (120a) of a first end and one second end, one step-down switching assembly (120c) of one diode (120b) of one anode tap and a cathode terminal and a first end and one second end, and this first end of this Inductive component (120a), this second end of this step-down switching assembly (120c) and this cathode terminal of this diode (120b) are formed and couple, and this second switch unit (121) and this second end of this Inductive component (120a) or this first end of this step-down switching assembly (120c) are formed and couple (the present embodiment is coupled to example with this second end of second switch unit and this Inductive component).
This judging unit (13) can couple with this Input voltage terminal (2) and this output voltage terminal (3), this judging unit (13) for can have the magnitude of voltage comparing this Input voltage terminal (2) and this output voltage terminal (3) two place, and produces a corresponding signal according to the result relatively.
This processing unit (14) can be the assembly of processor, microprocessor or other equivalence, this processing unit (14) can receive this signal that this judging unit (13) produces, and by this signal to determine the on off state of this booster circuit (11) and this reduction voltage circuit (12), furthermore, this processing unit (14) can control the state whether this first switch element (111), this second switch unit (121), this boosted switch assembly (110c) and this step-down switching assembly (120c) are conducting.Wherein this first switch element (111), this second switch unit (121), this boosted switch assembly (110c) and this step-down switching assembly (120c) can be the assembly of transistor component (MOSFET, BJT, IGBT) or other equivalence.
This corrector (1) can have a rectification circuit (15) further, this rectification circuit (15) and this Input voltage terminal (2) couple, and this rectification circuit (15) mainly can convert civil power to required electric power.
Refer to shown in Fig. 6, it shows the magnitude of voltage comparison diagram one of this Input voltage terminal (2) and this output voltage terminal (3).This judging unit (13) can judge that the magnitude of voltage measured by this Input voltage terminal (2) is less than the magnitude of voltage measured by this output voltage terminal (3) and produces a corresponding signal.This processing unit of triggering (14) operates by this signal, this boosted switch assembly (110c) of this first switch element (111) and this boosting unit (110) is made to be rendered as the state of conducting, this step-down switching assembly (120c) of this second switch unit (121) and this pressure unit (120) is then rendered as the state of open circuit, makes this corrector (1) operate in the pattern of boosting by this.
Shown in Fig. 7, it shows the magnitude of voltage comparison diagram two of this Input voltage terminal (2) and this output voltage terminal (3).When the magnitude of voltage measured by this Input voltage terminal (2) is less than the magnitude of voltage measured by this output voltage terminal (3), this corrector (1) operates in the pattern of boosting as in the previous embodiment.Otherwise, when the magnitude of voltage measured by this Input voltage terminal (2) is greater than the magnitude of voltage measured by this output voltage terminal (3), this processing unit of triggering (14) operates by the signal that this judging unit (13) produces, this boosted switch assembly (110c) of this first switch element (111) and this boosting unit (110) is made to be rendered as the state of open circuit, this step-down switching assembly (120c) of this second switch unit (121) and this pressure unit (120) is then rendered as the state of conducting, this corrector (1) is made to operate in the pattern of step-down by this.By this, the signal that this processing unit (14) can produce according to this judging unit (13) decides to carry out the state of state or the step-down of boosting, by this magnitude of voltage that exports of regulated output voltage end (3).
Although the present invention discloses as above with preferred embodiment; so itself and be not used to limit the present invention, anyly have the knack of this those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is worked as is that the scope that claim defines is as the criterion.
Claims (7)
1. a single-phase power factor corrector for tool stepping functions, this corrector and an Input voltage terminal and an output voltage terminal couple, and it is characterized in that this corrector comprises:
One booster circuit, itself and this Input voltage terminal and this output voltage terminal couple, and use and the voltage flowing through this booster circuit is promoted its magnitude of voltage, and this booster circuit has the boosting unit and one first switch element that couple mutually;
One reduction voltage circuit, itself and this Input voltage terminal and this output voltage terminal couple, use and the voltage flowing through this reduction voltage circuit is reduced its magnitude of voltage, and this reduction voltage circuit and this booster circuit form aspect in parallel, and this reduction voltage circuit has the pressure unit and a second switch unit that couple mutually;
One judging unit, this judging unit is have the magnitude of voltage comparing this Input voltage terminal and this output voltage terminal two place, and produces a signal; And
One processing unit, it receives this signal that this judging unit produces, and by this signal to determine the on off state of this booster circuit and this reduction voltage circuit.
2. the single-phase power factor corrector of tool stepping functions as claimed in claim 1, it is characterized in that when the magnitude of voltage of this Input voltage terminal is greater than the magnitude of voltage of this output voltage terminal, this pressure unit and this second switch unit present conducting state, and this boosting unit and the first switch element present off state; When the magnitude of voltage of this Input voltage terminal is less than the magnitude of voltage of this output voltage terminal, this pressure unit and this second switch unit present off state, and this boosting unit and this first switch element present conducting state.
3. the single-phase power factor corrector of tool stepping functions as claimed in claim 2, it is characterized in that this corrector has a rectification circuit further, this rectification circuit and this Input voltage terminal couple.
4. the single-phase power factor corrector of tool stepping functions as claimed in claim 3, it is characterized in that this boosting unit has an Inductive component of a first end and one second end, an anode tap and a diode of a cathode terminal and a boosted switch assembly of a first end and one second end, and this anode tap of this second end of this Inductive component, this first end of this boosted switch assembly and this diode is formed and couples, and this cathode terminal of this first end of this first switch element and this Inductive component or this diode is formed and couples.
5. the single-phase power factor corrector of tool stepping functions as claimed in claim 4, it is characterized in that this pressure unit has an Inductive component of a first end and one second end, an anode tap and a diode of a cathode terminal and a step-down switching assembly of a first end and one second end, and this cathode terminal of this first end of this Inductive component, this second end of this step-down switching assembly and this diode is formed and couples, and this first end of this second end of this second switch unit and this Inductive component or this transistor component is formed and couples.
6. the single-phase power factor corrector of tool stepping functions as claimed in claim 5, is characterized in that this processing unit is a processor or a microprocessor.
7. the single-phase power factor corrector of tool stepping functions as claimed in claim 6, is characterized in that this first switch element, this second switch unit, this boosted switch assembly and this step-down switching assembly are transistor component (MOSFET, BJT, IGBT).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017080.1A CN104779784A (en) | 2014-01-11 | 2014-01-11 | Single-phase power factor corrector with voltage boosting and reduction functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410017080.1A CN104779784A (en) | 2014-01-11 | 2014-01-11 | Single-phase power factor corrector with voltage boosting and reduction functions |
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| Publication Number | Publication Date |
|---|---|
| CN104779784A true CN104779784A (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410017080.1A Pending CN104779784A (en) | 2014-01-11 | 2014-01-11 | Single-phase power factor corrector with voltage boosting and reduction functions |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487221A (en) * | 2015-08-27 | 2017-03-08 | 台达电子企业管理（上海）有限公司 | Output device |
| CN110601566A (en) * | 2019-08-18 | 2019-12-20 | 南京博兰得电子科技有限公司 | Adapter power supply and control method thereof |
| CN111697816A (en) * | 2020-05-29 | 2020-09-22 | 广东浪潮大数据研究有限公司 | Power factor correction circuit, device and method |
| CN113890371A (en) * | 2021-09-30 | 2022-01-04 | 康舒科技股份有限公司 | Multi-output power distribution control device |
| EP4120537A4 (en) * | 2020-03-12 | 2023-08-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power supply device and charging control method |
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| US5602463A (en) * | 1995-12-11 | 1997-02-11 | Lockheed Martin Corporation | DC power supply with enhanced input power factor using a buck and boost converter |
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| CN101572500A (en) * | 2008-07-09 | 2009-11-04 | 崇贸科技股份有限公司 | Converter for correcting step-down/step-up power factor |
| CN102130576A (en) * | 2010-12-27 | 2011-07-20 | 福州大学 | Bridgeless power factor correction circuit with low voltage stress for wide voltage output |
| CN102318173A (en) * | 2007-06-22 | 2012-01-11 | 三多尼克爱特克两合股份有限公司 | Power factor corrector circuit for an electronic fluorescent lamp ballast |
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2014
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Patent Citations (5)
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| US5602463A (en) * | 1995-12-11 | 1997-02-11 | Lockheed Martin Corporation | DC power supply with enhanced input power factor using a buck and boost converter |
| CN101170277A (en) * | 2006-10-25 | 2008-04-30 | 日立空调·家用电器株式会社 | DC-DC converter and its controlling method |
| CN102318173A (en) * | 2007-06-22 | 2012-01-11 | 三多尼克爱特克两合股份有限公司 | Power factor corrector circuit for an electronic fluorescent lamp ballast |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487221A (en) * | 2015-08-27 | 2017-03-08 | 台达电子企业管理（上海）有限公司 | Output device |
| US10243306B2 (en) | 2015-08-27 | 2019-03-26 | Delta Electronics (Shanghai) Co., Ltd. | Output device including DC transmission cable and connector |
| CN106487221B (en) * | 2015-08-27 | 2019-05-07 | 台达电子企业管理（上海）有限公司 | Output device |
| CN110601566A (en) * | 2019-08-18 | 2019-12-20 | 南京博兰得电子科技有限公司 | Adapter power supply and control method thereof |
| CN110601566B (en) * | 2019-08-18 | 2022-05-17 | 南京博兰得电子科技有限公司 | Adapter power supply and control method thereof |
| EP4120537A4 (en) * | 2020-03-12 | 2023-08-16 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Power supply device and charging control method |
| CN111697816A (en) * | 2020-05-29 | 2020-09-22 | 广东浪潮大数据研究有限公司 | Power factor correction circuit, device and method |
| CN111697816B (en) * | 2020-05-29 | 2022-04-15 | 广东浪潮大数据研究有限公司 | Power factor correction circuit, device and method |
| CN113890371A (en) * | 2021-09-30 | 2022-01-04 | 康舒科技股份有限公司 | Multi-output power distribution control device |
| CN113890371B (en) * | 2021-09-30 | 2023-11-24 | 康舒科技股份有限公司 | Multi-output power distribution control device |
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Application publication date: 20150715 |