CN114501729A - LED driving power circuit with high power and high alternating voltage - Google Patents

LED driving power circuit with high power and high alternating voltage Download PDF

Info

Publication number
CN114501729A
CN114501729A CN202210211907.7A CN202210211907A CN114501729A CN 114501729 A CN114501729 A CN 114501729A CN 202210211907 A CN202210211907 A CN 202210211907A CN 114501729 A CN114501729 A CN 114501729A
Authority
CN
China
Prior art keywords
controller
voltage
constant
rectifying filter
circuit
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.)
Pending
Application number
CN202210211907.7A
Other languages
Chinese (zh)
Inventor
许松波
罗军
赖章武
周德江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jinyongxin Technology Co ltd
Original Assignee
Shenzhen Jinyongxin Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Jinyongxin Technology Co ltd filed Critical Shenzhen Jinyongxin Technology Co ltd
Priority to CN202210211907.7A priority Critical patent/CN114501729A/en
Publication of CN114501729A publication Critical patent/CN114501729A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/355—Power factor correction [PFC]; Reactive power compensation
    • 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
    • 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
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • 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
    • 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
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/34—Voltage stabilisation; Maintaining constant voltage
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant current
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Rectifiers (AREA)
  • Dc-Dc Converters (AREA)

Abstract

The invention discloses an LED driving power circuit with high power and high alternating voltage, which comprises an EMI (electro-magnetic interference), a first rectifying filter, a PFC (power factor correction) controller, a PWM (pulse-width modulation) controller, a switch converter, a second rectifying filter and a constant-voltage constant-current controller, wherein the first rectifying filter is connected with the PFC controller; the commercial power is connected into a first rectifying filter through EMI, the first rectifying filter is respectively and electrically connected with a switch converter and a PFC controller, the switch converter is respectively and electrically connected with a second rectifying filter and a PWM controller, the PWM controller is electrically connected with a constant voltage and constant current controller, and the second rectifying filter and the constant voltage and constant current controller are respectively and electrically connected with the LED lamp. The main power supply of the invention supplies power for hardware voltage conversion, adopts a main IC, realizes PFC control + half-bridge resonance PWM two-stage topology conversion circuit and the like, and applies a MOS tube with higher voltage resistance, thereby having the advantages of small volume, light weight, low cost, easy production and the like.

Description

LED driving power circuit with high power and high alternating voltage
Technical Field
The invention relates to the field of LED lamp power supply circuits, in particular to an LED driving power supply circuit with high power and high alternating voltage.
Background
The invention relates to the technical field of LED driving power supplies, in particular to a 480V high-alternating-current voltage LED driving power supply circuit for an industrial power grid. The controller is a quasi-resonant controller containing PFC and LLC, and is suitable for industrial lighting solution in North America with single-phase voltage of 480V (corresponding to three-phase voltage of 660V).
The conventional LED lighting power supply generally has the use voltage of 100-264V, and if the AC voltage is up to 480V, the following two ways are generally adopted:
firstly, the voltage of the industrial frequency transformer is reduced and then is stabilized by rectification, filtering and the like
Secondly, a single-stage flyback topology is adopted.
If the mode of the industrial frequency transformer is adopted, the power frequency transformer has the advantages of simple circuit and the disadvantages of low efficiency, low PFC, large volume and heavy weight, and is not suitable for large-scale application. If a single-stage flyback topology is used. Because the AC voltage is too high, the number of field effect transistors with high voltage and large current which can be selected is very small, so that the reliability is low, the cost is high, and the popularization is difficult.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the technical problem is solved by providing a high-power and high-alternating-current-voltage LED driving power circuit.
The technical scheme of the invention is as follows: a high power and high AC voltage LED driving power supply circuit:
the power supply comprises EMI, a first rectifying filter, a PFC controller, a PWM controller, switch conversion, a second rectifying filter and a constant-voltage constant-current controller;
the commercial power is connected into a first rectifying filter through EMI, the first rectifying filter is respectively and electrically connected with a switch converter and a PFC controller, the switch converter is respectively and electrically connected with a second rectifying filter and a PWM controller, the PWM controller is electrically connected with a constant voltage and constant current controller, and the second rectifying filter and the constant voltage and constant current controller are respectively and electrically connected with the LED lamp.
Preferably, the PFC controller is provided with a PFC controller circuit.
Preferably, the PWM controller is provided with a PWM controller circuit.
Preferably, the switching conversion is provided with a switching conversion circuit.
Preferably, the constant voltage and constant current controller is provided with a constant voltage and constant current controller circuit.
Preferably, the switch conversion circuit, the second rectification filter, the LED lamp, the constant voltage and constant current controller circuit and the PWM controller circuit are electrically connected in sequence to form a ring-shaped circuit.
By adopting the technical scheme, the main power supply provided by the invention realizes voltage conversion of hardware, adopts one main IC, realizes PFC control and half-bridge resonance PWM two-stage topology conversion circuits and the like, and adopts a MOS tube with higher voltage resistance, thereby having the advantages of small volume, light weight, low cost, easy production and the like.
Drawings
FIG. 1 is a block diagram of the circuit of the present invention;
FIG. 2 is an overall circuit diagram of the present invention;
FIG. 3 is a left side partial enlarged circuit diagram of FIG. 2;
fig. 4 is a right-side partial amplification circuit diagram of fig. 2.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to 4, the present embodiment provides a high power and high ac voltage LED driving power circuit:
the power supply comprises an EMI (electro magnetic interference) 1, a first rectifying filter 2, a PFC (power factor correction) controller 3, a PWM (pulse-width modulation) controller 4, a switch converter 5, a second rectifying filter 6 and a constant-voltage constant-current controller 7; the commercial power is connected into a first rectifying filter 2 through EMI 1, the first rectifying filter 2 is respectively and electrically connected with a switch converter 5 and a PFC controller 3, the switch converter 5 is respectively and electrically connected with a second rectifying filter 6 and a PWM controller 4, the PWM controller 4 is electrically connected with a constant voltage and constant current controller 7, and the second rectifying filter 6 and the constant voltage and constant current controller 7 are respectively and electrically connected with an LED lamp 8.
As shown in fig. 2 to 4, the PFC controller 3 is provided with a PFC controller circuit, the PWM controller 4 is provided with a PWM controller circuit, the switch converter 5 is provided with a switch converter circuit, and the constant voltage and constant current controller is provided with a constant voltage and constant current controller circuit.
The switch conversion circuit, the second rectification filter, the LED lamp, the constant-voltage constant-current controller circuit and the PWM controller circuit are sequentially and electrically connected to form a ring-shaped circuit.
As shown in fig. 1 to 4, AC 480V is subjected to EMI, first rectification filtering, and PFC boost control to obtain a stable voltage. The PWM controller controls the switch to switch, the output voltage and the current are detected through outputting to a second rectification filter, the output voltage and the current are fed back to the PWM controller and the switch to switch, the duty ratio is adjusted, the output voltage and the output current are stabilized through the constant voltage and constant current controller, and the LED lamp is powered.
By adopting the technical scheme, the main power supply provided by the invention realizes voltage conversion of hardware, adopts one main IC, realizes PFC control and half-bridge resonance PWM two-stage topology conversion circuits and the like, and adopts a MOS tube with higher voltage resistance, thereby having the advantages of small volume, light weight, low cost, easy production and the like.
The method has the advantages that: the reliability is greatly improved: due to the two-stage topological structure, the stress of a field effect tube in the circuit is reduced, the starting current and the working current are reduced, the working state of the circuit is very stable, and the safety and the reliability of the product are improved.
The method has the advantages that: the anti-surge capacity is strong: due to the two-stage topological structure, the high-voltage electrolytic capacitor absorbs the circuit surge, and other patent technologies are applied, so that the anti-surge capacity of 4KV-6KV can be easily achieved.
The method has the advantages that: low THD, high PFC: harmonic distortion is small, and interference influence on a power supply circuit of a power grid is small. Because PFC is high, the allowance requirement on power supply of a power grid is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high-power and high-alternating-voltage LED driving power circuit is characterized in that,
the power supply comprises EMI, a first rectifying filter, a PFC controller, a PWM controller, switch conversion, a second rectifying filter and a constant-voltage constant-current controller;
the commercial power is connected into a first rectifying filter through EMI, the first rectifying filter is respectively and electrically connected with a switch converter and a PFC controller, the switch converter is respectively and electrically connected with a second rectifying filter and a PWM controller, the PWM controller is electrically connected with a constant voltage and constant current controller, and the second rectifying filter and the constant voltage and constant current controller are respectively and electrically connected with the LED lamp.
2. The high power and high ac voltage LED driving power supply circuit according to claim 1, wherein the PFC controller is provided with a PFC controller circuit.
3. The high power and high ac voltage LED driving power supply circuit according to claim 2, wherein the PWM controller is provided with a PWM controller circuit.
4. The high power and high ac voltage LED driving power supply circuit according to claim 3, wherein the switching conversion is provided with a switching conversion circuit.
5. The high power and high ac voltage LED driving power supply circuit according to claim 4, wherein the constant voltage and constant current controller is provided with a constant voltage and constant current controller circuit.
6. The high power and high ac voltage LED driving power supply circuit according to claim 5, wherein the switching conversion circuit, the second rectifying filter, the LED lamp, the constant voltage and constant current controller circuit, and the PWM controller circuit are electrically connected in sequence to form a ring-shaped circuit.
CN202210211907.7A 2022-03-04 2022-03-04 LED driving power circuit with high power and high alternating voltage Pending CN114501729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210211907.7A CN114501729A (en) 2022-03-04 2022-03-04 LED driving power circuit with high power and high alternating voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210211907.7A CN114501729A (en) 2022-03-04 2022-03-04 LED driving power circuit with high power and high alternating voltage

Publications (1)

Publication Number Publication Date
CN114501729A true CN114501729A (en) 2022-05-13

Family

ID=81487213

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210211907.7A Pending CN114501729A (en) 2022-03-04 2022-03-04 LED driving power circuit with high power and high alternating voltage

Country Status (1)

Country Link
CN (1) CN114501729A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011082204A (en) * 2009-10-02 2011-04-21 Fdk Corp Driving circuit for multiple serial leds
CN201893979U (en) * 2010-12-14 2011-07-06 厦门玛司特电子工业有限公司 High-power efficient constant-current light-emitting diode (LED) driver
CN105491713A (en) * 2015-12-23 2016-04-13 浙江闲兴光电科技有限公司 High-power LED street lamp drive circuit
CN206302600U (en) * 2016-11-25 2017-07-04 中山市松普电器照明有限公司 A kind of high-voltage LED light bar driving power supply and its high-voltage LED light bar of application

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011082204A (en) * 2009-10-02 2011-04-21 Fdk Corp Driving circuit for multiple serial leds
CN201893979U (en) * 2010-12-14 2011-07-06 厦门玛司特电子工业有限公司 High-power efficient constant-current light-emitting diode (LED) driver
CN105491713A (en) * 2015-12-23 2016-04-13 浙江闲兴光电科技有限公司 High-power LED street lamp drive circuit
CN206302600U (en) * 2016-11-25 2017-07-04 中山市松普电器照明有限公司 A kind of high-voltage LED light bar driving power supply and its high-voltage LED light bar of application

Similar Documents

Publication Publication Date Title
US8836228B2 (en) Non-isolated resonant converter
US9906169B1 (en) DC-AC conversion circuit having a first double ended DC pulse stage and a second AC stage
CN108601146B (en) Single-stage Flyback/Sepic LED drive circuit with high power factor and low output ripple
CN103917017B (en) A kind of single stage type no electrolytic capacitor AC/DC LED constant current drives power supply
CN101707838A (en) Multipath LED constant current drive circuit suitable for non-isolated converter
CN109742965A (en) A kind of high-frequency isolation type AC-DC converter of single-phase crisscross parallel three level resonance formula
CN111064369A (en) Switching power supply circuit
CN102148566B (en) Boost-type voltage balance converter
CN113489309B (en) Bridgeless buck power factor correction converter with wide output voltage and control method
CN101834527B (en) Two-stage switching power supply conversion circuit
CN104780692A (en) Single-stage non-bridge LED driving circuit integrated by double Boost and Flyback
CN110012574B (en) LED drive circuit of hybrid control single-stage bridgeless Sepic and LLC
KR101756458B1 (en) A/d converter for led lighting device
CN211509378U (en) Flyback LED voltage-stabilizing constant-current driving power supply
Pal et al. Improved power quality opto-couplerless Cuk converter for flickerless LED lighting
CN201018418Y (en) Liftable current type AC-AC convertor
CN101860245A (en) Medium-power two-stage three-phase static converter
CN216290646U (en) Power supply circuit and display screen
CN105375807A (en) Direct current (DC)/alternating current (AC) conversion device, direct current/ direct current conversion device and constant current driving device
Huang et al. Analysis and design of a single-stage buck-type AC-DC adaptor
CN201585179U (en) Multipath LED constant-current drive circuit applicable to non-isolation converter
CN112165266B (en) Switching power supply circuit
Barwar et al. A decoupled low-frequency ripple cancellation method for high-power led driver circuits
CN114501729A (en) LED driving power circuit with high power and high alternating voltage
CN205123617U (en) DCAC conversion equipment , DCDC conversion equipment and constant current drive device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination