CN204013246U

CN204013246U - High-frequency and high-voltage sinewave output power supply

Info

Publication number: CN204013246U
Application number: CN201420295062.5U
Authority: CN
Inventors: 朱忠尼; 梁佳武
Original assignee: DAY HONGYE WUHAN SCIENCE AND TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: Riverbay Wuhan Optoelectronic Technology Development Co ltd
Priority date: 2014-06-04
Filing date: 2014-06-04
Publication date: 2014-12-10
Anticipated expiration: 2024-06-04

Abstract

The utility model relates to high-frequency and high-voltage sinewave output power supply, the filter capacitor that comprises AC/DC rectification module that input is connected with civil power 220V, is connected in parallel with described AC/DC rectification module, also comprise that full-bridge type drives transducer, full-bridge type drives the drive end of transducer to be all connected with CMOS pipe driver, and the CMOS pipe input of driver and the output of high voltage resonant controller are connected; Drive the input of the transducer described AC/DC rectification module that is connected in parallel, the output of driving transducer is connected with by capacitor C R, inductance L R, inductance L M and is connected in series the LLC series resonant circuit forming, inductance L M one end connects capacitor C 1 one end, between the electric capacity LM other end and capacitor C 1 other end, is connected isolating transformer primary coil.The utility model power utilization rate is high, and transmission line great distance is suitable for the high-power especially electric power system of power requirement more than 1000W.

Description

High-frequency and high-voltage sinewave output power supply

Technical field

The utility model relates to power technique fields, is specifically related to a kind of high-frequency and high-voltage sinewave output power supply.

Background technology

LED luminous element generally has two kinds of supply power modes at present, the first is to concentrate low-voltage direct bussed supply mode, by AC/DC variator, the alternating current of 220V/50HZ is become to the DC power supply of 5V-36V, and add suitable voltage according to the requirement of lamppost, power supply is by a DC bus transmitting energy, all LED lamps are connected in DC bus two ends in parallel, when connect LED lamp is more, circuit is long, owing to being that low-voltage transmission loss is larger, step-down is serious, causes the brightness disproportionation of LED lamp; The second is to concentrate the ac bus distributed step-down rectifier mode of powering, it is to using 220V/50HZ interchange as bus, each LED lamp carries power frequency step-down transformer and rectifier, 220V/50HZ is become to low-voltage direct, the volume of power frequency step-down transformer is large, weight is large, distribute heat is also many, when connect LED lamp is more, volume increase, the weight of whole luminous element are increased, higher to the requirement of heat radiation.

In above-mentioned supply power mode, power supply used can only meet small-power and uses as being less than in the supply line of 500W, power is larger, need to connect a plurality of power supplies, common way is, needs to connect a power supply on the LED circuit of tens meters, and the transmittability of power supply is little, the loss of power supply is higher, power utilization rate is low, and electric energy loss is serious, waste electric energy.

Summary of the invention

The purpose of this utility model is in order to solve the problems of the technologies described above, and provides a kind of transmittability of power supply strong, and the loss of power supply is low, the high-frequency and high-voltage sinewave output power supply that power utilization rate is high.

For achieving the above object, a kind of high-frequency and high-voltage sinewave output power supply of the utility model design, the filter capacitor that comprises AC/DC rectification module that input is connected with civil power 220V, is connected in parallel with described AC/DC rectification module, also comprise that the full-bridge type consisting of CMOS pipe S1, CMOS pipe S2, CMOS pipe S3, CMOS pipe S4 drives transducer, the drive end of described CMOS pipe S1, CMOS pipe S2, CMOS pipe S3, CMOS pipe S4 is all connected with CMOS pipe driver, and the described CMOS pipe input of driver and the output of high voltage resonant controller are connected; The input of the described driving transducer described AC/DC rectification module that is connected in parallel, the output of described driving transducer is connected with by capacitor C R, inductance L R, inductance L M and is connected in series the LLC series resonant circuit forming, described inductance L M one end connects capacitor C 1 one end, between the described electric capacity LM other end and capacitor C 1 other end, be connected isolating transformer primary coil, described isolating transformer secondary coil connects lead-out terminal.

In technique scheme, described inductance L M is coupled with inductance coil LN, and the two ends of described inductance coil LN form feedback output end or form secondary for electrical input.

In technique scheme, described high voltage resonant controller is 6599 chips.

In technique scheme, described AC/DC rectification module input is connected with EMC module.

High-frequency and high-voltage sinewave output power circuit of the present utility model adopts four the full formation of high-power CMOS pipe bridge-types to drive transducer, connect LLC series resonant circuit, form high-power power supply, power utilization rate is high, transmission line great distance, is suitable for the high-power especially electric power system of power requirement more than 1000W.

Accompanying drawing explanation

Fig. 1 is the utility model schematic block circuit diagram;

In figure: 1-AC/DC rectification module; C2-filter capacitor; 3-full-bridge type drives transducer; 4-CMOS manages driver; 5-isolating transformer; 6-high voltage resonant controller; 7-EMC module.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:

High-frequency and high-voltage sinewave output power supply as shown in Figure 1, the filter capacitor C2 that comprises AC/DC rectification module 1 that input is connected with civil power 220V, is connected in parallel with described AC/DC rectification module 1, also comprise that the full-bridge type consisting of CMOS pipe S1, CMOS pipe S2, CMOS pipe S3, CMOS pipe S4 drives transducer 3, the drive end of CMOS pipe S1, CMOS pipe S2, CMOS pipe S3, CMOS pipe S4 is all connected with CMOS pipe driver 4, and the input of CMOS pipe driver 4 is connected with the output of high voltage resonant controller 6; Drive the input of the transducer 3 described AC/DC rectification module 1 that is connected in parallel, the output of driving transducer 3 is connected with by capacitor C R, inductance L R, inductance L M and is connected in series the LLC series resonant circuit 4 forming, inductance L M one end connects capacitor C 1 one end, between the described electric capacity LM other end and capacitor C 1 other end, be connected isolating transformer 5 primary coils, described isolating transformer 5 secondary coils connect lead-out terminals.Inductance L M is coupled with inductance coil LN, and the two ends of inductance coil LN form feedback output end, forms feedback circuit, improves the output stability of power supply, or forms secondary for electrical input, gives other supply line's power supply.High voltage resonant controller 6 is 6599 chips, produces sine wave signal, and AC/DC rectification module 1 input is connected with EMC module 7.

Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model, like this, within if of the present utility model these are revised and modification belongs to the utility model claim and equivalent technologies scope thereof, the utility model is also intended to comprise these changes and modification interior.

The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.

Claims

1. a high-frequency and high-voltage sinewave output power supply, the filter capacitor (C2) that comprises AC/DC rectification module (1) that input is connected with civil power 220V, is connected in parallel with described AC/DC rectification module (1), it is characterized in that: also comprise that the full-bridge type consisting of CMOS pipe S1, CMOS pipe S2, CMOS pipe S3, CMOS pipe S4 drives transducer (3), the drive end of described CMOS pipe S1, CMOS pipe S2, CMOS pipe S3, CMOS pipe S4 is all connected with CMOS pipe driver (4), and the input of described CMOS pipe driver (4) is connected with the output of high voltage resonant controller (6); The input of described driving transducer (3) the described AC/DC rectification module (1) that is connected in parallel, the output of described driving transducer (3) is connected with by capacitor C R, inductance L R, inductance L M and is connected in series the LLC series resonant circuit (4) forming, described inductance L M one end connects capacitor C 1 one end, between the described electric capacity LM other end and capacitor C 1 other end, be connected isolating transformer (5) primary coil, described isolating transformer (5) secondary coil connects lead-out terminal.

2. high-frequency and high-voltage sinewave output power supply according to claim 1, is characterized in that: described inductance L M is coupled with inductance coil LN, and the two ends of described inductance coil LN form feedback output end or form secondary for electrical input.

3. high-frequency and high-voltage sinewave output power supply according to claim 1 and 2, is characterized in that: described high voltage resonant controller (6) is 6599 chips.

4. high-frequency and high-voltage sinewave output power supply according to claim 1 and 2, is characterized in that: described AC/DC rectification module (1) input is connected with EMC module (7).