CN204481681U - A kind of interleaved parallel PFC switching power circuit - Google Patents
A kind of interleaved parallel PFC switching power circuit Download PDFInfo
- Publication number
- CN204481681U CN204481681U CN201520098250.3U CN201520098250U CN204481681U CN 204481681 U CN204481681 U CN 204481681U CN 201520098250 U CN201520098250 U CN 201520098250U CN 204481681 U CN204481681 U CN 204481681U
- Authority
- CN
- China
- Prior art keywords
- circuit
- pfc
- full
- wave bridge
- rectifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of interleaved parallel PFC switching power circuit, comprise ac input end, DC output end, full-wave bridge rectifier circuit, interleaved parallel PFC circuit and output filter capacitor, full-wave bridge rectifier circuit comprises 4 rectifier diodes and at least two controlled switching tubes, two switching tubes are in parallel with two rectifier diodes respectively, and two rectifier diodes are two rectifier diodes of full-wave bridge rectifier circuit direct current outflow end or two rectifier diodes of full-wave bridge rectifier circuit direct current inflow end.The utility model reduces the loss of full-wave bridge rectifier circuit by paralleling switch pipe on rectifier diode, can keep, under pfc circuit power factor and the constant prerequisite of reliability, effectively improving the efficiency of interleaved parallel PFC Switching Power Supply.
Description
[technical field]
The utility model relates to high frequency switch power, particularly relates to a kind of interleaved parallel PFC switching power circuit.
[background technology]
Along with the development of switch power technology, due to input harmonic current restriction, PFC (power factorcorrection, power factor correction) circuit becomes an indispensable part in Switching Power Supply, and the volume requirement of Switching Power Supply is more and more less, efficiency requirements is more and more higher, saves the energy with this.
As shown in Figure 1, relatively simply, by rectifier bridge, inductance, switching device, diode, electrochemical capacitor forms traditional single tube pfc circuit, because the loss of rectifier bridge is comparatively large, single tube PFC efficiency is general lower.If raised the efficiency, non-bridge PFC is one and well selects, typical non-bridge PFC circuits as shown in Figure 2, but the common mode disturbances of non-bridge PFC is larger, adopt pair inductance, magnetic core utilance is lower, and reliability is lower, and cost is higher.In addition, raise the efficiency, interleaved parallel PFC circuit be also one well topology select, typical interleaved parallel PFC circuit as shown in Figure 3, but also there is the rectifier bridge of diode composition in interleaved parallel PFC circuit, efficiency still needs to be improved further.
[summary of the invention]
The technical problems to be solved in the utility model is to provide the higher interleaved parallel PFC switching power circuit of a kind of efficiency.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of interleaved parallel PFC switching power circuit, comprise ac input end, DC output end, full-wave bridge rectifier circuit, interleaved parallel PFC circuit and output filter capacitor, full-wave bridge rectifier circuit comprises 4 rectifier diodes and at least two controlled switching tubes, two switching tubes are in parallel with two rectifier diodes respectively, two rectifier diodes are two rectifier diodes of full-wave bridge rectifier circuit direct current outflow end or two rectifier diodes of full-wave bridge rectifier circuit direct current inflow end.
Above-described interleaved parallel PFC switching power circuit, comprises the switching tube described in 4, and 4 described switching tubes are in parallel with 4 rectifier diodes respectively.
Above-described interleaved parallel PFC switching power circuit, described switching tube is metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor connects the negative electrode of rectifier diode, and the source electrode of metal-oxide-semiconductor connects the anode of rectifier diode.
Above-described interleaved parallel PFC switching power circuit, described switching tube is driven by respective drive source.
Above-described interleaved parallel PFC switching power circuit, interleaved parallel PFC circuit comprises PFC control chip and two-way pfc circuit, and pfc circuit comprises inductance, power switch pipe and output diode; The positive pole of one termination full-wave bridge rectifier circuit of inductance, the anode of another termination output diode, the negative electrode of output diode connects the positive pole of DC output end; The anode of one termination output diode of power switch pipe, the negative pole of another termination full-wave bridge rectifier circuit and the negative pole of DC output end; The negative pole of the ground connection termination full-wave bridge rectifier circuit of PFC control chip, the control end of the power switch pipe of two-way pfc circuit connects the different control signal output of PFC control chip respectively.
The utility model reduces the loss of full-wave bridge rectifier circuit by paralleling switch pipe on rectifier diode, can keep, under pfc circuit power factor and the constant prerequisite of reliability, effectively improving the efficiency of interleaved parallel PFC Switching Power Supply.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the schematic diagram of prior art single tube PFC switching power circuit.
Fig. 2 is the schematic diagram of prior art non-bridge PFC switching power circuit.
Fig. 3 is the schematic diagram of prior art interleaved parallel PFC switching power circuit.
Fig. 4 is the left view of the utility model embodiment interleaved parallel PFC switching power circuit.
Fig. 5 is the utility model embodiment 1 front view.
Fig. 6 is the left view of the utility model embodiment interleaved parallel PFC switching power circuit.
[embodiment]
The utility model interleaved parallel PFC switching power circuit, comprise ac input end, DC output end, full-wave bridge rectifier circuit, interleaved parallel PFC circuit and output filter capacitor, full-wave bridge rectifier circuit comprises 4 rectifier diodes and 4 controlled metal-oxide-semiconductors, and 4 metal-oxide-semiconductors are in parallel with 4 rectifier diodes respectively.Namely the drain electrode of metal-oxide-semiconductor connects the negative electrode of rectifier diode, and the source electrode of metal-oxide-semiconductor connects the anode of rectifier diode, and metal-oxide-semiconductor is driven by respective drive source.
Interleaved parallel PFC circuit comprises PFC control chip and two-way pfc circuit, and pfc circuit comprises inductance, power MOS pipe and output diode; The positive pole of one termination full-wave bridge rectifier circuit of inductance, the anode of another termination output diode, the negative electrode of output diode connects the positive pole of DC output end; The anode of one termination output diode of power MOS pipe, the negative pole of another termination full-wave bridge rectifier circuit and the negative pole of DC output end; The negative pole of the ground connection termination full-wave bridge rectifier circuit of PFC control chip, the control end of the power MOS pipe of two-way pfc circuit connects the different control signal output of PFC control chip respectively.
Reduce the loss of full-wave bridge rectifier circuit by paralleling MOS pipe on rectifier diode, can keep, under pfc circuit power factor and the constant prerequisite of reliability, effectively improving the efficiency of interleaved parallel PFC Switching Power Supply.
In order to save cost, full-wave bridge rectifier circuit can remove two metal-oxide-semiconductors, two metal-oxide-semiconductors stayed are in parallel with two in 4 rectifier diodes respectively, these two rectifier diodes can be two rectifier diodes of full-wave bridge rectifier circuit direct current outflow end, also can be two rectifier diodes that full-wave bridge rectifier circuit direct current flows into end.
The structure of the utility model embodiment 1 interleaved parallel PFC switching power circuit and principle as shown in Figure 4, comprise rectifier diode D2, D3, D4, D5, metal-oxide-semiconductor Q3, the full-wave bridge rectifier circuit of Q4, Q5, Q6 composition, high frequency power metal-oxide-semiconductor Q1, Q2, boost inductance L1, L2, output diode D1, D2 and output filter capacitor C1.
Rectifier diode D2, D3, D4, D5 and metal-oxide-semiconductor Q3, Q4, Q5, Q6 can become ac voltage rectifier the direct voltage of pulsation; Q3 is connected in parallel on D3, and Q4 is connected in parallel on D4, and Q5 is connected in parallel on D5, and Q6 is connected in parallel on D6.When alternating current positive pressure half cycle works, Q3, Q6 conducting, Q4, Q5 turn off.When alternating voltage negative half period works, Q4, Q5 conducting, Q3, Q6 turn off.Then by inductance L 1, L2, high frequency metal-oxide-semiconductor Q1, Q2, high-frequency diode D1, D2 become galvanic current to press VPFC the DC voltage conversion of pulsation, so just achieve the object of PFC, improve the efficiency of interleaved parallel PFC.
The structure of the utility model embodiment 2 interleaved parallel PFC switching power circuit and principle as shown in Figure 5, comprise rectifier diode D2, D3, D4, D5, metal-oxide-semiconductor Q3, the full-wave bridge rectifier circuit of Q4 composition, power MOS pipe Q1, Q2, boost inductance L1, L2, output diode D1, D2, output filter capacitor C1.Rectifier diode D2, D3, D4, D5 and metal-oxide-semiconductor Q3, Q4 can become ac voltage rectifier the direct voltage of pulsation; Q3 is connected in parallel on D3, and Q4 is connected in parallel on D4.When alternating current positive pressure half cycle works, Q3 conducting, Q4 turns off.When alternating voltage negative half period works, Q4 conducting, Q3 turns off.Then by inductance L 1, L2, high frequency power metal-oxide-semiconductor Q1, Q2, high-frequency diode D1, D2 become galvanic current to press VPFC the DC voltage conversion of pulsation, so just achieve the object of PFC, improve the efficiency of interleaved parallel PFC.
The structure of the utility model embodiment 3 interleaved parallel PFC switching power circuit and principle as shown in Figure 6, comprise rectifier diode D2, D3, D4, D5, metal-oxide-semiconductor Q5, the full-wave bridge rectifier circuit of Q6 composition, high frequency power metal-oxide-semiconductor Q1, Q2, boost inductance L1, L2, output diode D1, D2, output filter capacitor C1.Rectifier diode D2, D3, D4, D5 and metal-oxide-semiconductor Q5, Q6 can become ac voltage rectifier the direct voltage of pulsation; Q5 is connected in parallel on D5, and Q6 is connected in parallel on D6.When alternating current positive pressure half cycle works, Q6 conducting, Q5 turns off.When alternating voltage negative half period works, Q5 conducting, Q6 turns off.Then by inductance L 1, L2, high frequency power metal-oxide-semiconductor Q1, Q2, high-frequency diode D1, D2 become galvanic current to press VPFC the DC voltage conversion of pulsation, so just achieve the object of PFC, improve the efficiency of interleaved parallel PFC.
The above embodiment of the utility model reduces the loss of full-wave bridge rectifier circuit by paralleling switch pipe on rectifier diode, can keep, under pfc circuit power factor and the constant prerequisite of reliability, effectively improving the efficiency of interleaved parallel PFC Switching Power Supply.
Claims (5)
1. an interleaved parallel PFC switching power circuit, comprise ac input end, DC output end, full-wave bridge rectifier circuit, interleaved parallel PFC circuit and output filter capacitor full-wave bridge rectifier circuit and comprise 4 rectifier diodes, it is characterized in that, full-wave bridge rectifier circuit comprises at least two controlled switching tubes, two switching tubes are in parallel with two rectifier diodes respectively, and two rectifier diodes are two rectifier diodes of full-wave bridge rectifier circuit direct current outflow end or two rectifier diodes of full-wave bridge rectifier circuit direct current inflow end.
2. interleaved parallel PFC switching power circuit according to claim 1, is characterized in that, comprises the switching tube described in 4, and 4 described switching tubes are in parallel with 4 rectifier diodes respectively.
3. interleaved parallel PFC switching power circuit according to claim 1 and 2, is characterized in that, described switching tube is metal-oxide-semiconductor, and the drain electrode of metal-oxide-semiconductor connects the negative electrode of rectifier diode, and the source electrode of metal-oxide-semiconductor connects the anode of rectifier diode.
4. interleaved parallel PFC switching power circuit according to claim 1 and 2, is characterized in that, described switching tube is driven by respective drive source.
5. interleaved parallel PFC switching power circuit according to claim 1, is characterized in that, interleaved parallel PFC circuit comprises PFC control chip and two-way pfc circuit, and pfc circuit comprises inductance, power switch pipe and output diode; The positive pole of one termination full-wave bridge rectifier circuit of inductance, the anode of another termination output diode, the negative electrode of output diode connects the positive pole of DC output end; The anode of one termination output diode of power switch pipe, the negative pole of another termination full-wave bridge rectifier circuit and the negative pole of DC output end; The negative pole of the ground connection termination full-wave bridge rectifier circuit of PFC control chip, the control end of the power switch pipe of two-way pfc circuit connects the different control signal output of PFC control chip respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098250.3U CN204481681U (en) | 2015-02-11 | 2015-02-11 | A kind of interleaved parallel PFC switching power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520098250.3U CN204481681U (en) | 2015-02-11 | 2015-02-11 | A kind of interleaved parallel PFC switching power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481681U true CN204481681U (en) | 2015-07-15 |
Family
ID=53637453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520098250.3U Expired - Fee Related CN204481681U (en) | 2015-02-11 | 2015-02-11 | A kind of interleaved parallel PFC switching power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481681U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429490A (en) * | 2015-11-26 | 2016-03-23 | 深圳市高斯宝电气技术有限公司 | Three-phase PFC switching power supply circuit |
| CN106170158A (en) * | 2016-07-27 | 2016-11-30 | 昂宝电子（上海）有限公司 | For electromagnetic oven without bridge circuit and electromagnetic oven |
| CN109688669A (en) * | 2019-03-11 | 2019-04-26 | 福州大学 | A kind of High Power Factor no electrolytic capacitor LED drive power and its control method |
| CN109756136A (en) * | 2017-11-01 | 2019-05-14 | Tdk株式会社 | Switching Power Supply |
| CN114900055A (en) * | 2022-07-12 | 2022-08-12 | 深圳核心医疗科技有限公司 | Wireless charging rectification circuit and wireless charging device |
-
2015
- 2015-02-11 CN CN201520098250.3U patent/CN204481681U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429490A (en) * | 2015-11-26 | 2016-03-23 | 深圳市高斯宝电气技术有限公司 | Three-phase PFC switching power supply circuit |
| CN105429490B (en) * | 2015-11-26 | 2018-09-04 | 深圳市高斯宝电气技术有限公司 | A kind of three-phase PFC switching power circuits |
| CN106170158A (en) * | 2016-07-27 | 2016-11-30 | 昂宝电子（上海）有限公司 | For electromagnetic oven without bridge circuit and electromagnetic oven |
| CN106170158B (en) * | 2016-07-27 | 2018-10-23 | 昂宝电子（上海）有限公司 | For electromagnetic oven without bridge circuit and electromagnetic oven |
| CN109756136A (en) * | 2017-11-01 | 2019-05-14 | Tdk株式会社 | Switching Power Supply |
| CN109756136B (en) * | 2017-11-01 | 2021-01-05 | Tdk株式会社 | Switching power supply |
| CN109688669A (en) * | 2019-03-11 | 2019-04-26 | 福州大学 | A kind of High Power Factor no electrolytic capacitor LED drive power and its control method |
| CN114900055A (en) * | 2022-07-12 | 2022-08-12 | 深圳核心医疗科技有限公司 | Wireless charging rectification circuit and wireless charging device |
| CN114900055B (en) * | 2022-07-12 | 2022-10-11 | 深圳核心医疗科技有限公司 | Wireless charging rectifier circuit and wireless charging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204481681U (en) | A kind of interleaved parallel PFC switching power circuit | |
| CN204681264U (en) | A kind of non-bridge PFC switching power circuit | |
| CN101394091B (en) | Voltage feedback single-stage power factor calibrating circuit | |
| CN103066865B (en) | Three-phase Bridgeless power factor correction A.C.-D.C. converter | |
| CN104780692B (en) | A kind of single-stage is without the double Boost of bridge and Flyback integrated LED drive circuit | |
| CN203233324U (en) | Pulse solid-state laser power supply with wide voltage output range | |
| CN204652713U (en) | A kind of LED drive power of no electrolytic capacitor | |
| CN204700414U (en) | A kind of electric welding machine circuit of APFC | |
| CN203859684U (en) | Large-current half-bridge circuit | |
| CN204481682U (en) | A kind of interleaved parallel PFC switching power circuit | |
| CN201150035Y (en) | Resistance-capacitance step-down power supply circuit with zero crossing detection function | |
| CN104242645A (en) | Method and device for controlling step-down circuits | |
| CN105429452A (en) | Common-mode rejection dual-Boost bridgeless PFC converter | |
| CN205212694U (en) | Two boost of common mode rejection do not have bridge PFC converter | |
| CN206506450U (en) | A kind of single-phase AC DC boost conversion circuits | |
| CN204967397U (en) | Car charger | |
| CN204906192U (en) | Boost module is recommended to wide region full cut -off ring high efficiency | |
| CN204794738U (en) | Accurate symmetrical switching power supply circuit with APFC function | |
| CN103095132B (en) | Voltage reduction type convertor | |
| CN204425197U (en) | For the electromagnetic interference denoising device of former limit sampling LED control system | |
| CN202424562U (en) | High-efficiency alternating current rectification booster circuit | |
| CN102223058B (en) | Interlaced on-line isolated double-cuk circuit | |
| CN204425182U (en) | Single tube pfc circuit and power module | |
| CN105305807A (en) | Novel bridgeless power factor correction circuit and implementation method of critical current mode CRM working | |
| CN201657386U (en) | Zero-crossing circuit of microwave oven |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20210211 |