CN2634791Y - Power supply of high power lamp - Google Patents

Abstract

The utility model, which relates to a new high-power light-used electric power, comprises a PFC active filter circuit (1), DA/AD full bridge output frequency conversion lighting circuit (2), a transient triggering electric power and an abnormal hold circuit (3), a self-protective direct current electric power (4), a direct current electric power (5) and a RB abnormal protection circuit (6). The utility model which has the advantages of light weight, high efficiency, low power consumption, greater than or equals to 95% power factor, long service life, low temperature rise, low electromagnetic interfere and low content of the current harmonic wave can ignite high pressure sodium lights, low pressure sodium lights, high power fluorescent lamps and metal halide gas discharge lamps which are below 5000 watt, and the utility model can be applied widely in all kinds of illumination places.

Description

High-power lamp power

Technical field

The utility model relates to triggering and the working power that is used for discharge lamp, high-power fluorescent lamp.Be applicable to the working power of airport, harbour, industrial and mining enterprises, urban street, square, warehouse, building exterior lighting, tunnel, large supermarket, the illuminating gaseous discharge lamp of outdoor advertising, high-power fluorescent lamp.

Background technology

The current fluorescent lamp ballast that generally uses, because of the electric ballast application-specific integrated circuit control devices that adopt, so power output is subjected to the constraint of IC device, that can not do is too big more.Along with the pipe of its fluorescent tube of increase of fluorescent lamp power is pressed and is increased, so existing electric ballast is because of being subjected to the restriction of line voltage (220V), at present the highest fluorescent lamp of can only the reliable ignition pipe pressing below the 250V.Three-color fluorescent lamp has the well-known various advantages of people, so people are also increasing to the demand of fluorescent lamp, the fluorescent lamp of especially big wattage, but the maximum wattage of existing fluorescent lamp is because of being subjected to the restriction of ballast output power, and maximum can only be accomplished 130 watts.High-power lamp power involved in the present invention, can reliable ignition the fluorescent lamp of 140 watts to 300 watts single tubes series connection bridge joints, under the situation of line voltage 220V, can light pipe and press the following various fluorescent lamps of 400V.The Harmonic Interference of electric ballast and to the pollution problem of electrical network has been suggested very early.But electric ballast quantity at that time is few, thereby does not cause generally attention.Along with the increasing electric ballast of the development of modern economy and technology adds electrical network, produce a large amount of harmonic wave deals by importing other electronic equipment into through electrical network, the steady operation of electronic equipment has been produced serious electromagnetic interference.

Summary of the invention

The purpose of this utility model is to achieve these goals, and the utility model provides a kind of high-power lamp power, and the utility model comprises: realized by following method:

PFC active filter circuit (1); Its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; Instantaneous trigger power supply and unusual holding circuit (3); 15V self-shield DC power supply (4); 18V DC power supply (5) and RB abnormity protection circuit (6) six parts are formed; ac input end A1 in electric network source and the PFC active filter circuit (1); A2 links to each other; the output B1 of PFC active filter circuit (1); the direct-flow input end E1 of the high voltage direct current of B2 output and its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; E2 links to each other; its violent change frequency circuit for lamp (2) of DA/AD full-bridge output carries out after the inversion output F1 by its violent change frequency circuit for lamp (2) of DA/AD full-bridge output with the high voltage direct current of PFC active filter circuit (1) input; F2 links to each other with lamp; the input H1 of instantaneous trigger power supply and unusual holding circuit (3) links to each other with another output of PFC active filter circuit (1) H2; the output M of instantaneous trigger power supply and unusual holding circuit (3) links to each other with the output N of 15V self-shield DC power supply (4); 15V self-shield DC power supply (4) input O1; its another output of violent change frequency circuit for lamp (2) P1 of O2 and DA/AD full-bridge output; P2 links to each other; its another input of violent change frequency circuit for lamp (2) S of the output N of 15V self-shield DC power supply (4) and DA/AD full-bridge output protection voltage when the lamp operation irregularity is provided that links to each other; the ac input end U1 of 18V DC power supply (5); U2 links to each other with its another output of violent change frequency circuit for lamp (2) of DA/AD full-bridge output; it is the power supply of control circuit in the PFC active filter circuit (1) that the dc output end W of 18V DC power supply (5) links to each other with another input of PFC active filter circuit (1) X; the input Y1 of RB abnormity protection circuit (6) links to each other with instantaneous trigger power supply and another output of unusual holding circuit (3) Y2, and its another input of violent change frequency circuit for lamp (2) Z2 of the output Z1 of RB abnormity protection circuit (6) and DA/AD full-bridge output links to each other.

The utility model is related, owing to adopted PFC active power filtering technology, electric current high order harmonic component total content and electromagnetic interference all to meet and exceed international standard (IEC555-2, EN60555-2 etc.).Power factor can reach 99%, and the current harmonics total content is smaller or equal to 13%.The device operating ambient temperature value that high-power lamp power adopted that the utility model is related is all between-50 degrees centigrade to 105 degrees centigrade, so the operating ambient temperature of high-power lamp power can reach between-40 degrees centigrade to 80 degrees centigrade.This power supply is owing to adopted PFC active power filtering technology, and efficient can be more than 95%, so power consumption is extremely low, temperature rise is in 35 degrees centigrade.Line voltage power supply when 90V-265V still is in normal operating conditions.The safeguard measure that traditional electric ballast adopts is short circuit and open-circuit-protection; high-power lamp power involved in the present invention is through concentrating on studies for many years; increasing the protection problem of lamp under the abnormal work state on the basis of conventional lights, (as: the non-damage of lighting state, underexcitation, over excitation etc. fully of lamp for ballast.) improved life-span and the reliability of high-power lamp power in real work greatly.Because the power work frequency is up to 130KC, so the inductance volume of selection is little, so this power supply is in light weight.

Description of drawings

Accompanying drawing: high-power lamp power circuit block diagram and circuit theory diagrams

Embodiment

This power supply is by PFC active filter circuit (1), its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, instantaneous trigger power supply and unusual holding circuit (3); 15V self-shield DC power supply (4); 18V DC power supply (5), RB abnormity protection circuit (6) is formed.PFC active filter circuit (1) suppresses circuit by high frequency common mode, full-wave rectifying circuit, and the PFC active filter circuit is formed.The high frequency common mode that electric network source is formed via inductance L 1, capacitor C 1, C2, C4, C5 suppresses circuit and is added to by inductance L 2, metal-oxide-semiconductor T1, power factor corrector ic chip 1, fast recovery diode D5, capacitor C 3, electrochemical capacitor C6, resistance R 1 after the full-wave rectifying circuit rectification of being made up of diode D1, D2, D3, D4 and forms the PFC active filter circuit.PFC active filter circuit (1) is an independent circuits, operating frequency depends on ic chip 1 fully, can best realize that PF more than or equal to 0.99 power factor value, just allows the current waveform of electrical network input approach sine wave, and keep same-phase with the line voltage of input.In the frequency optimum traffic of metal-oxide-semiconductor T1, the volume of inductance L 2 is reduced to minimum.Constant its power of 400V direct voltage of PFC active filter circuit (1) output is decided by the PD of metal-oxide-semiconductor T1.The input DC power of its violent change frequency circuit for lamp (2) of DA/AD full-bridge output comes from the output of PFC active filter circuit (1).Form the full-bridge frequency changer circuit by metal-oxide-semiconductor T2, T3, T4, T5, pulse transformer L3, PDM keyer ic chip 2, fast recovery diode D6, D7, D8, D9, resistance R 2, R3, R4, R5, R8, capacitor C 15 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, inductance L 4, capacitor C 7 are formed lamp circuit.Its operation principle is: with the high voltage direct current inversion of PFC active filter circuit (1) output is that high-frequency ac is used to light bulb and makes its reliably working.Operating frequency is by the resonance frequency decision of PDM keyer ic chip 2, the output of PDM keyer ic chip 2 (3) is connected on the former limit of pulse transformer L3, the end of the same name of pulse transformer L3 secondary output has guaranteed metal-oxide-semiconductor T2, T5, metal-oxide-semiconductor T3, the alternate conduction of T4, resistance R 2, R3, R4, R5 is metal-oxide-semiconductor T2, T3, T4, T5 grid current-limiting resistance, fast recovery diode D6, D7, D8, D9 is metal-oxide-semiconductor T2, T3, T4, the anti-phase earial drainage diode of T5, inductance L 4 is current limliting energy storage inductors of lamp, capacitor C 7 is capacitances, pulse transformer L3 is metal-oxide-semiconductor T2, T5, metal-oxide-semiconductor T3, the T4 driving pulse transformer.

Instantaneous trigger power supply and unusual holding circuit (3) are the instantaneous trigger working powers of its violent change frequency circuit for lamp (2) of DA/AD full-bridge output.Its operating state is: the moment of connecting electric network source, by capacitor C 8 step-downs in instantaneous trigger power supply and the unusual holding circuit (3), diode D10, D11, D12, D13 rectification, after capacitor C 9 filtering, to 2 one the instantaneous direct voltages of PDM keyer ic chip in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, make 2 work of PDM keyer ic chip by diode D15.Metal-oxide-semiconductor T2, T5, metal-oxide-semiconductor T3, T4 alternate conduction make inductance L 4 energy storage and lamp are excited.The fast recovery diode D17 rectification of high-frequency ac voltage in 15V self-shield DC power supply (4) that when the lamp normal ignition, produces by inductance L 4-1; electrochemical capacitor C10; C11; C12 filtering; voltage ratio is supplied with PDM keyer ic chip 2 than Voltage stabilizing module ic chip 3 output 15V direct voltages by diode D16 makes lamp keep the state of lighting; when the lamp operation irregularity; voltage ratio was turn-offed than Voltage stabilizing module ic chip 3 when voltage ratio was variant than the magnitude of voltage of the setting voltage value of Voltage stabilizing module ic chip 3 and inductance L 4-1 output; this loss of voltage reaches the protection purpose.Fast recovery diode D18, D19, D20, the D21 rectification of high-frequency ac voltage in 18V DC power supply (5) that when the lamp normal ignition, produces by inductance L 4-2, after electrochemical capacitor C13, the C14 filtering, power factor corrector ic chip 1 by in the Voltage stabilizing module ic chip 4 output 18V direct voltages supply PFC active filter circuits (1) makes PFC active filter circuit (1) work.When the lamp operation irregularity; because 15V self-shield DC power supply (4) is turn-offed; and the input voltage of 18V DC power supply (5) is taken from the secondary L4-2 of the inductance L 4 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; 18V DC power supply (5) stops output; PFC active filter circuit (1) is quit work, and RB abnormity protection circuit (6) is made up of resistance R 9, R10, R11.Wherein resistance R 10 is a thermistor.Turn-off the PDM keyer ic chip 2 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output as metal-oxide-semiconductor T2, T3, T4, when the T5 working temperature is too high; 15V self-shield DC power supply (4), 18V DC power supply (5) are quit work; and keep PDM keyer ic chip 2 shutoff voltages in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, turn-off up to electric network source.

High-power lamp power: PFC active filter circuit (1) is an independent circuits, is different from the shared IC of other lamp circuits PFC and inverter circuit.PFC active filter circuit (1) is made up of inductance L 1, capacitor C 1, C2, C3, C4, C5, diode D1, D2, D3, D4, inductance L 2, metal-oxide-semiconductor T1, power factor corrector ic chip 1, fast recovery diode D5, electrochemical capacitor C6, resistance R 1.The high frequency common mode that power supply is formed through inductance L 1, capacitor C 1, C2, C4, C5 suppresses circuit, the PFC active filter circuit of being formed to inductance L 2, metal-oxide-semiconductor T1, power factor corrector ic chip 1, fast recovery diode D5, capacitor C 3, electrochemical capacitor C6, resistance R 1 after the rectification circuit rectification of forming to diode D1, D2, D3, D4.Wherein metal-oxide-semiconductor T1 switching tube is subjected to the control of high-frequency pulsed width modulation switching signal.The high-frequency pulsed width modulation switching signal is directly supplied with by power factor corrector integrated package 1C1.The pwm switch signal of power factor corrector ic chip 1 is subjected to supply current and output DC pressure-controlled, makes the power network current distortion reduce to minimum, and keeps output dc voltage constant when line voltage 90V-265V.Power factor corrector ic chip 1 is the comprehensive PFC of Switching Power Supply special use and the IC of PWM two class circuit, is not the special electronic ballast IC, so the IC that this circuit is selected is not subjected to the restriction of power output, the highest output can be arrived 5000W.The operating voltage of power factor corrector ic chip 1 is directly supplied with by 18V DC power supply (5), when the active filter circuit in the PFC active filter circuit (1) is not worked, because metal-oxide-semiconductor T1 is connected in parallel on output, does not influence lighting of lamp.

High-power lamp power: its violent change frequency circuit for lamp (2) of DA/AD full-bridge output is an inverter circuit.Be by metal-oxide-semiconductor T2, T3, T4, T5, PDM keyer ic chip 2, pulse transformer L3, energy storage current-limiting inductance L4, capacitance C7, resistance R 2, R3, R4, R5, R8, fast recovery diode D6, D7, D8, D9, the full-bridge lamp circuit that capacitor C 15 is formed, it becomes the 400V dc voltage conversion of PFC active filter circuit (1) output the high-frequency ac voltage of double numerical value, be used for the lamp reliable ignition and keep, its frequency and operating state and PFC active filter circuit (1) are irrelevant fully, when PFC active filter circuit (1) when not working, its its violent change frequency circuit for lamp (2) of DA/AD full-bridge output can also operate as normal and is kept and light a lamp.Its operating frequency depends on the frequency optimum traffic of lamp fully, not limited by the operating frequency of PFC active filter circuit (1).Its its operating frequency of violent change frequency circuit for lamp (2) of DA/AD full-bridge output is the resonance frequency of PDM keyer ic chip 2, the former limit of output (3) driving pulse transformer L3 by PDM keyer ic chip 2, make pulse transformer L3 secondary produce two prescriptions to opposite pulse signal, difference driven MOS pipe T2, T5, metal-oxide-semiconductor T3, T4 make their alternate conduction and disconnection.At the electric current at lamp load two ends along with metal-oxide-semiconductor T2, T5, the conducting of metal-oxide-semiconductor T3, T4 with disconnect continuous change direction, to reach the purpose that high-frequency ac is lit a lamp.The former limit of inductance L 4 is current-limiting inductances of lamp, adjusts the operating current of the inductance value decision lamp on inductance L 4 former limits, and inductance L 4 former limits trigger lamp in the moment that lamp is lighted because of the energy storage effect produces high pressure reliably.Capacitor C 7 is connected in the loop of lamp, is used for cutting off the direct current deal of lamp ignition procedures, to increase the life-span of fluorescent tube.Fast recovery diode D6, D7, D8, D9 are the protection metal-oxide-semiconductors, and metal-oxide-semiconductor is when turn-offing, and the reverse voltage that inductance L 4 produces can not puncture metal-oxide-semiconductor.

Instantaneous trigger power supply and unusual holding circuit (3) are made up of capacitor C 8, electrochemical capacitor C9, diode D10, D11, D12, D13, D15, voltage-stabiliser tube D14.The alternating voltage that electrical network is come is through capacitor C 8 step-downs, through diode D10, D11, D12, D13 rectification, by giving PDM keyer ic chip 2 direct voltage in a flash by diode D15 after the electrochemical capacitor C9 filtering, this voltage is given the PDM keyer ic chip 2 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, make PDM keyer ic chip 2 output pulse signals make metal-oxide-semiconductor T2, T5, metal-oxide-semiconductor T3, T4 alternate conduction.Because capacitor C 8 capacitances are less, the undercurrent of supply to be keeping the continuous work of PDM keyer ic chip 2, so its power supply when not being the lamp normal ignition.When the lamp operation irregularity, the load of instantaneous trigger power supply and unusual holding circuit (3) both PDM keyer ic chip 2 quits work, make instantaneous trigger power supply and unusual holding circuit (3) load reduction, reason owing to electrochemical capacitor C9, voltage will continue to raise, when being raised to 30V, D14 limits by voltage-stabiliser tube, and this voltage just in time is the twice of PDM keyer ic chip 2 operating voltages.

15V self-shield DC power supply (4) is than Voltage stabilizing module ic chip 3 by voltage ratio; diode D16; fast recovery diode D17; electrochemical capacitor C10; C11; C12; resistance R 6; R7; inductance L 4-1 forms; voltage ratio is made up of Voltage stabilizing module and voltage comparison module than Voltage stabilizing module ic chip 3; its AC-input voltage is taken from the secondary L4-1 of the inductance L 4 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; when the lamp instantaneous ignition; the high-frequency ac voltage that the secondary L4-1 of inductance L 4 produces is through fast recovery diode D17 rectification; give voltage ratio than Voltage stabilizing module ic chip 3 after capacitor C 11 filtering; after voltage ratio follows set point relatively than Voltage stabilizing module ic chip 3, export a galvanic current and press the PDM keyer ic chip 2 of exporting in its violent change frequency circuit for lamp (2) for the DA/AD full-bridge by diode D16 to power.When the lamp operation irregularity, when the voltage that inductance L 4-1 produces was higher or lower than set point, voltage ratio quit work PDM keyer ic chip 2, to reach the purpose of protection than the output of Voltage stabilizing module ic chip 3 no-voltages.

18V DC power supply (5) is by fast recovery diode D18, D19, D20, D21, electrochemical capacitor C13, C14, Voltage stabilizing module ic chip 4, inductance L 4-2 forms, its AC-input voltage is taken from the secondary L4-2 of the inductance L 4 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, the high-frequency ac voltage that produces as inductance L 4-2 is through fast recovery diode D18, D19, D20, the D21 rectification, give Voltage stabilizing module ic chip 4 after the electrochemical capacitor C14 filtering, Voltage stabilizing module ic chip 4 outputs one galvanic current is pressed to 1 power supply of the power factor corrector ic chip in the PFC active filter circuit (1).Make PFC active filter circuit (1) operate as normal.

High-power lamp power: RB abnormity protection circuit (6) is made up of resistance R 9, R10, R11.Resistance R 10 is negative tempperature coefficient thermistors, and it is installed on metal-oxide-semiconductor T2, T3, T4, the T5.Resistance R 9 one terminates on instantaneous trigger power supply and the unusual holding circuit (3), other end connecting resistance R10.Resistance R 11 1 terminates at the pass broken ends of fractured bone (1) of the PDM keyer ic chip 2 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output, and the other end is connected on the resistance R 10.The working temperature of metal-oxide-semiconductor T2, T3, T4, T5 is not high when lamp is working properly, the resistance of resistance R 10 is bigger, deficiency is so that 2 shutoffs of PDM keyer ic chip, when lamp was unusual, when especially the lamp least bit fired state or under-voltage lighting, the temperature of metal-oxide-semiconductor T2, T3, T4, T5 sharply rose, before rising to the limiting temperature of metal-oxide-semiconductor T2, T3, T4, T5, the resistance value of resistance R 10 can reduce thereupon, and when reaching certain resistance, PDM keyer ic chip 2 will automatically shut down.Simultaneously, metal-oxide-semiconductor T2, T3, T4, T5 also will quit work, and this just causes the secondary L4-1 of inductance L 4 and the secondary L4-2 no-voltage output of inductance L 4, makes 15V self-shield DC power supply (4) and 18V DC power supply (5) quit work.When 15V self-shield DC power supply (4) when quitting work, its violent change frequency circuit for lamp (2) of DA/AD full-bridge output also quits work.When 18V DC power supply (5) when quitting work, the power factor corrector ic chip 1 in the PFC active filter circuit (1) quits work, and the metal-oxide-semiconductor T1 in the PFC active filter circuit (1) also quits work, to reach the purpose of protection power supply.At this moment; instantaneous trigger power supply and unusual holding circuit (3) reduce by voltage-stabiliser tube D14 voltage stabilizing in double self-shield supply power voltage value because of output current; the resistance that makes resistance R 10 rises because of metal-oxide-semiconductor T2, T3, T4, T5 close the temperature of the having no progeny resistance that descends; when guaranteeing that resistance R 10 resistances reach the normal temperature value; PDM keyer ic chip 2 still is in off state, turn-offs up to the input electric network source.Thereby high-power lamp power is protected.

The high-power lamp power that the utility model is related after the high pressure that increases all gases discharge lamp triggers circuit, can be lighted high-pressure sodium lamp below 5000 watts, low-pressure sodium lamp, high-power fluorescent lamp, golden halogen gaseous discharge lamp etc.

Claims (7)

1, a kind of novel high-power lamp power is characterized in that: comprising: PFC active filter circuit (1); Its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; Instantaneous trigger power supply and unusual holding circuit (3); 15V self-shield DC power supply (4); 18V DC power supply (5) and RB abnormity protection circuit (6) six parts are formed; ac input end A1 in electric network source and the PFC active filter circuit (1); A2 links to each other; the output B1 of PFC active filter circuit (1); the direct-flow input end E1 of the high voltage direct current of B2 output and its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; E2 links to each other; its violent change frequency circuit for lamp (2) of DA/AD full-bridge output carries out after the inversion output F1 by its violent change frequency circuit for lamp (2) of DA/AD full-bridge output with the high voltage direct current of PFC active filter circuit (1) input; F2 links to each other with lamp; the input H1 of instantaneous trigger power supply and unusual holding circuit (3) links to each other with another output of PFC active filter circuit (1) H2; the output M of instantaneous trigger power supply and unusual holding circuit (3) links to each other with the output N of 15V self-shield DC power supply (4); 15V self-shield DC power supply (4) input O1; its another output of violent change frequency circuit for lamp (2) O1 of O2 and DA/AD full-bridge output; O2 links to each other; its another input of violent change frequency circuit for lamp (2) S of the output N of 15V self-shield DC power supply (4) and DA/AD full-bridge output protection voltage when the lamp operation irregularity is provided that links to each other; the ac input end U1 of 18V DC power supply (5); U2 links to each other with its another output of violent change frequency circuit for lamp (2) of DA/AD full-bridge output; it is the power supply of control circuit in the PFC active filter circuit (1) that the dc output end W of 18V DC power supply (5) links to each other with another input of PFC active filter circuit (1) X; the input Y1 of RB abnormity protection circuit (6) links to each other with instantaneous trigger power supply and another output of unusual holding circuit (3) Y2, and its another input of violent change frequency circuit for lamp (2) Z2 of the output Z1 of RB abnormity protection circuit (6) and DA/AD full-bridge output links to each other.

2, high-power lamp power according to claim 1, it is characterized by: PFC active filter circuit (1) is by inductance L 1, capacitor C 1, C2, C4, C5, diode D1, D2, D3, D4, inductance L 2, metal-oxide-semiconductor T1, power factor corrector integrated package ic chip 1, fast recovery diode D5, capacitor C 3, electrochemical capacitor C6, resistance R 1 is formed, described PFC active filter circuit (1) is an independent circuits, inductance L 1 in the PFC active filter circuit (1), capacitor C 1, C2 forms the common mode inhibition circuit, the input power supply is connected on capacitor C 1 two ends, one of capacitor C 1 terminates at the end of the same name of common mode inductance L1-1, the other end of capacitor C 1 is connected on the end of the same name of inductance L 1-2, the other end of common mode inductance L1-1, the other end of common mode inductance L1-2 links to each other with the two ends of capacitor C 2, diode D1, D2, D3, the two ends that D4 connects into its ac input end of full bridge rectifier and capacitor C 2 join, output plus terminal links to each other with an end of inductance L 2, one end of output negative terminal and resistance R 1 joins, capacitor C 4, C5 is connected in series, one of capacitor C 4 terminates at diode D1, D2, D3, D4 connects into full bridge rectifier (3) end, one of capacitor C 5 terminates at diode D1, D2, D3, D4 connects into an end of full bridge rectifier ac input end, capacitor C 3 is connected in diode D1 in parallel, D2, D3, D4 connects into the dc output end of full bridge rectifier, the source electrode of metal-oxide-semiconductor T1 and inductance L 2, the end that fast recovery diode D5 positive pole joins connects, the pulse signal output end OUT1 of the grid of metal-oxide-semiconductor T1 and power factor corrector integrated package ic chip 1 joins, the drain electrode of metal-oxide-semiconductor T1 and resistance R 1, the end that the current detecting negative sign end COI of power factor corrector integrated package ic chip 1 joins links to each other, the current detecting positive sign end COI1 and the diode D1 of power factor corrector ic chip 1, D2, D3, the direct current negative terminal of the rectification circuit that D4 forms links to each other, the power input X of power factor corrector ic chip 1 links to each other with the output W of 18V DC power supply (5), and electrochemical capacitor C6 is connected in parallel in the drain electrode of fast recovery diode D5 negative pole and metal-oxide-semiconductor T1 and as the positive and negative terminal of the output of PFC active filter circuit (1).

3; high-power lamp power according to claim 1; it is characterized by: its violent change frequency circuit for lamp (2) of DA/AD full-bridge output is by metal-oxide-semiconductor T2; T3; T4; T5; PDM keyer ic chip 2; pulse transformer L3; energy storage current-limiting inductance L4; capacitance C7; resistance R 2; R3; R4; R5; R8; fast recovery diode D6; D7; D8; D9; capacitor C 15; C16 forms; described its violent change frequency circuit for lamp (2) of DA/AD full-bridge output is its sharp inverter circuit of a full-bridge; metal-oxide-semiconductor T2 in its violent change frequency circuit for lamp (2) of DA/AD full-bridge output; the source electrode of T4 and PFC active filter circuit (1) output B1; the positive pole of electrochemical capacitor C6 links to each other; metal-oxide-semiconductor T3; the drain electrode of T5 and PFC active filter circuit (1) output B2; the negative pole of electrochemical capacitor C6 links to each other; the drain electrode of metal-oxide-semiconductor T2 links to each other with the source electrode of metal-oxide-semiconductor T3; and link to each other with the input of energy storage current-limiting inductance L4; the drain electrode of metal-oxide-semiconductor T4 links to each other with the source electrode of metal-oxide-semiconductor T5; and link to each other with the end of capacitance C7; the other end F2 of capacitance C7 and the output F1 of energy storage current-limiting inductance L4 are that the output of its violent change frequency circuit for lamp (2) of DA/AD full-bridge output links to each other with lamp; resistance R 2; R3; R4; R5 is connected on metal-oxide-semiconductor T2 respectively; T3; T4; on the grid of T5; resistance R 2 links to each other with the end of the same name of the secondary L3-1 of pulse transformer L3; resistance R 3 links to each other with the non-same polarity of the secondary L3-2 of pulse transformer L3; resistance R 4 links to each other with the non-same polarity of the secondary L3-3 of pulse transformer L3; resistance R 5 links to each other with the end of the same name of the secondary L3-4 of pulse transformer L3; the positive pole of fast recovery diode D6 links to each other with the drain electrode of metal-oxide-semiconductor T2; the negative pole of fast recovery diode D6 links to each other with the source electrode of metal-oxide-semiconductor T2; the positive pole of fast recovery diode D7 links to each other with the drain electrode of metal-oxide-semiconductor T3; the negative pole of fast recovery diode D7 links to each other with the source electrode of metal-oxide-semiconductor T3; the positive pole of fast recovery diode D8 links to each other with the drain electrode of metal-oxide-semiconductor T4; the negative pole of fast recovery diode D8 links to each other with the source electrode of metal-oxide-semiconductor T4; the positive pole of fast recovery diode D9 links to each other with the drain electrode of metal-oxide-semiconductor T5; the negative pole of fast recovery diode D9 links to each other with the source electrode of metal-oxide-semiconductor T5; the modulating pulse output OUT2 of PDM keyer ic chip 2 is connected on the former limit of pulse transformer L3 respectively; the pass broken ends of fractured bone Z2 of PDM keyer ic chip 2 links to each other with resistance R 11 1 end Z1 in the RB abnormity protection circuit (6); the positive pole of electrolytic capacitor filter C12 in the power input S of PDM keyer ic chip 2 and the 15V self-shield DC power supply (4) links to each other; the Ct end of PDM keyer ic chip 2 links to each other with capacitor C 15; the Rt end of PDM keyer ic chip 2 links to each other with resistance R 8; the other end of capacitor C 15 links to each other with the other end of resistance R 8, and joins with the negative pole of electrochemical capacitor C12 in the 15V self-shield DC power supply (4).

4; high-power lamp power according to claim 1; it is characterized by: instantaneous trigger power supply and unusual holding circuit (3) are by capacitor C 8; electrochemical capacitor C9; diode D10; D11; D12; D13; voltage-stabiliser tube D14; diode D15 forms; described instantaneous trigger power supply and unusual holding circuit (3) are the instantaneous triggering power supplys of high-power lamp power; after lamp is working properly; instantaneous trigger power supply and unusual holding circuit (3) are not worked; when high-power lamp power operation irregularity; instantaneous trigger power supply and unusual holding circuit (3) provide double direct-current working volts to keep the shutoff of high-power lamp power when charged; one diode-the D1 that terminates in the PFC active filter circuit (1) of the capacitor C 8 in instantaneous trigger power supply and the unusual holding circuit (3); D2; D3; the full bridge rectifier ac input end that D4 formed; the other end of capacitor C 8 is connected on by diode D10; D11; D12; the full bridge rectifier input that D13 formed; by diode D10; D11; D12; another input of the full bridge rectifier that D13 formed is connected on the diode D1 in the PFC active filter circuit (1); D2; D3; one end of the full bridge rectifier ac input end that D4 formed; by diode D10; D11; D12; the full bridge rectifier positive output end that D13 formed links to each other with voltage stabilizing didoe D14 negative pole with the positive pole of electrochemical capacitor C9; diode D10; D11; D12; the full bridge rectifier negative output terminal that D13 formed links to each other with voltage stabilizing didoe D14 is anodal with the negative pole of electrochemical capacitor C9; the positive pole of diode D15 links to each other with voltage stabilizing didoe D14 negative pole; the positive pole of filter capacitor C12 in the negative pole of diode D15 and the 15V self-shield DC power supply (4) links to each other, and is the output M of instantaneous trigger power supply and unusual holding circuit (3).

5; high-power lamp power according to claim 1; it is characterized by: 15V self-shield DC power supply (4) be by: voltage ratio is than Voltage stabilizing module ic chip 3; diode D16; fast recovery diode D17; electrochemical capacitor C10; C11; C12; resistance R 6; R7; inductance L 4-1 forms; voltage ratio is made up of Voltage stabilizing module and voltage comparison module than Voltage stabilizing module ic chip 3; described voltage ratio links to each other with the negative pole of fast recovery diode D17 and the positive pole of electrochemical capacitor C11 than the voltage comparison module input IN in the Voltage stabilizing module ic chip 3; the voltage ratio of voltage comparison module is held VO and resistance R 6; R7 links to each other; the other end of resistance R 6 is connected on the positive output end VO1 of voltage ratio than Voltage stabilizing module in the Voltage stabilizing module ic chip 3; the other end of resistance R 7 is connected on the negative output terminal VO2 of voltage ratio than Voltage stabilizing module in the Voltage stabilizing module ic chip 3; electrochemical capacitor C10 positive pole is connected on the positive output end VO1 of voltage ratio than Voltage stabilizing module in the Voltage stabilizing module ic chip 3; and link to each other with the positive pole of diode D16; the negative pole of diode D16 is the output N of 15V self-shield DC power supply (4); electrochemical capacitor C10 negative pole is connected on the negative output terminal VO2 of voltage ratio than Voltage stabilizing module in the Voltage stabilizing module ic chip 3; and with electrochemical capacitor C11; the negative pole of C12; the secondary L4-1 one end Q2 of energy storage current-limiting inductance L4 links to each other; the secondary L4-1 other end Q1 of energy storage current-limiting inductance L4 links to each other with the positive pole of fast recovery diode D17; the negative pole of fast recovery diode D17 links to each other with the positive input terminal IN of voltage ratio than the voltage comparison module in the Voltage stabilizing module ic chip 3, and the positive pole of electrochemical capacitor C12 links to each other with the negative pole of diode D16.

6, high-power lamp power according to claim 1, it is characterized by: 18V DC power supply (5) is by fast recovery diode D18, D19, D20, D21, electrochemical capacitor C13, C14, Voltage stabilizing module ic chip 4, inductance L 4-2 forms, fast recovery diode D18 in the described 18V DC power supply (5), D19, D20, D21 forms the two ends U1 that its ac input end of full bridge rectifier is connected on the secondary L4-2 of energy storage current-limiting inductance L4 respectively, U2, fast recovery diode D18, D19, D20, D21 forms full bridge rectifier direct current positive output end and is connected on Voltage stabilizing module ic chip 4 positive input terminal IN, fast recovery diode D18, D19, D20, D21 forms full bridge rectifier direct current negative output terminal VO2 and is connected on Voltage stabilizing module ic chip 4 negative input ends (4), it is the output of 18V DC power supply (5) that the positive pole of Voltage stabilizing module ic chip 4 positive output end VO1 and electrochemical capacitor C13 joins, the negative pole of Voltage stabilizing module ic chip 4 negative output terminal VO2 and electrochemical capacitor C13 and the negative pole of electrochemical capacitor C14 join, the positive pole of electrochemical capacitor C14 and fast recovery diode D18, D19, D20, D21 forms full bridge rectifier direct current positive output end and connects.

7; high-power lamp power according to claim 1; it is characterized by: RB abnormity protection circuit (6) is by resistance R 9; R10; R11 forms; resistance R 10 in the described RB abnormity protection circuit (6) is thermistors of a negative temperature coefficient; it is installed in metal-oxide-semiconductor T2; T3; T4; on the T5; resistance R 9 one terminates on the positive pole of the diode D15 in instantaneous trigger power supply and the unusual holding circuit (3); another termination thermistor R10; resistance R 11 1 terminates on the pass broken ends of fractured bone Z2 of PDM keyer integrated package 1C2, and the other end is connected on the thermistor R10 other end.

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